/////////////////////////////////////////////////////////////////////////////
-// Name: src/richtext/richeditctrl.cpp
+// Name: src/richtext/richtextctrl.cpp
// Purpose: A rich edit control
// Author: Julian Smart
// Modified by:
#include "wx/richtext/richtextstyles.h"
#ifndef WX_PRECOMP
+ #include "wx/wx.h"
#include "wx/settings.h"
- #include "wx/menu.h"
- #include "wx/intl.h"
- #include "wx/log.h"
- #include "wx/stopwatch.h"
#endif
+#include "wx/timer.h"
#include "wx/textfile.h"
#include "wx/ffile.h"
#include "wx/filename.h"
#include "wx/dcbuffer.h"
#include "wx/arrimpl.cpp"
+#include "wx/fontenum.h"
+#include "wx/accel.h"
+
+#if defined (__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__)
+#define wxHAVE_PRIMARY_SELECTION 1
+#else
+#define wxHAVE_PRIMARY_SELECTION 0
+#endif
+
+#if wxUSE_CLIPBOARD && wxHAVE_PRIMARY_SELECTION
+#include "wx/clipbrd.h"
+#endif
// DLL options compatibility check:
#include "wx/app.h"
WX_CHECK_BUILD_OPTIONS("wxRichTextCtrl")
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_ITEM_SELECTED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_ITEM_DESELECTED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_LEFT_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_MIDDLE_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_RIGHT_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_LEFT_DCLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_RETURN)
+wxDEFINE_EVENT( wxEVT_RICHTEXT_LEFT_CLICK, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_MIDDLE_CLICK, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_RIGHT_CLICK, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_LEFT_DCLICK, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_RETURN, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_CHARACTER, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_DELETE, wxRichTextEvent );
+
+wxDEFINE_EVENT( wxEVT_RICHTEXT_STYLESHEET_REPLACING, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_STYLESHEET_REPLACED, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_STYLESHEET_CHANGING, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_STYLESHEET_CHANGED, wxRichTextEvent );
+
+wxDEFINE_EVENT( wxEVT_RICHTEXT_CONTENT_INSERTED, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_CONTENT_DELETED, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_STYLE_CHANGED, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_PROPERTIES_CHANGED, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_SELECTION_CHANGED, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_BUFFER_RESET, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_RICHTEXT_FOCUS_OBJECT_CHANGED, wxRichTextEvent );
+
+#if wxRICHTEXT_USE_OWN_CARET
-#if wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
-IMPLEMENT_CLASS( wxRichTextCtrl, wxControl )
-#else
-IMPLEMENT_CLASS( wxRichTextCtrl, wxScrolledWindow )
+/*!
+ * wxRichTextCaret
+ *
+ * This implements a non-flashing cursor in case there
+ * are platform-specific problems with the generic caret.
+ * wxRICHTEXT_USE_OWN_CARET is set in richtextbuffer.h.
+ */
+
+class wxRichTextCaret;
+class wxRichTextCaretTimer: public wxTimer
+{
+ public:
+ wxRichTextCaretTimer(wxRichTextCaret* caret)
+ {
+ m_caret = caret;
+ }
+ virtual void Notify();
+ wxRichTextCaret* m_caret;
+};
+
+class wxRichTextCaret: public wxCaret
+{
+public:
+ // ctors
+ // -----
+ // default - use Create()
+ wxRichTextCaret(): m_timer(this) { Init(); }
+ // creates a block caret associated with the given window
+ wxRichTextCaret(wxRichTextCtrl *window, int width, int height)
+ : wxCaret(window, width, height), m_timer(this) { Init(); m_richTextCtrl = window; }
+ wxRichTextCaret(wxRichTextCtrl *window, const wxSize& size)
+ : wxCaret(window, size), m_timer(this) { Init(); m_richTextCtrl = window; }
+
+ virtual ~wxRichTextCaret();
+
+ // implementation
+ // --------------
+
+ // called by wxWindow (not using the event tables)
+ virtual void OnSetFocus();
+ virtual void OnKillFocus();
+
+ // draw the caret on the given DC
+ void DoDraw(wxDC *dc);
+
+ // get the visible count
+ int GetVisibleCount() const { return m_countVisible; }
+
+ // delay repositioning
+ bool GetNeedsUpdate() const { return m_needsUpdate; }
+ void SetNeedsUpdate(bool needsUpdate = true ) { m_needsUpdate = needsUpdate; }
+
+ void Notify();
+
+ bool GetRefreshEnabled() const { return m_refreshEnabled; }
+ void EnableRefresh(bool b) { m_refreshEnabled = b; }
+
+protected:
+ virtual void DoShow();
+ virtual void DoHide();
+ virtual void DoMove();
+ virtual void DoSize();
+
+ // refresh the caret
+ void Refresh();
+
+private:
+ void Init();
+
+ int m_xOld,
+ m_yOld;
+ bool m_hasFocus; // true => our window has focus
+ bool m_needsUpdate; // must be repositioned
+ bool m_flashOn;
+ wxRichTextCaretTimer m_timer;
+ wxRichTextCtrl* m_richTextCtrl;
+ bool m_refreshEnabled;
+};
#endif
-IMPLEMENT_CLASS( wxRichTextEvent, wxNotifyEvent )
+IMPLEMENT_DYNAMIC_CLASS( wxRichTextCtrl, wxControl )
+
+IMPLEMENT_DYNAMIC_CLASS( wxRichTextEvent, wxNotifyEvent )
-#if wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
BEGIN_EVENT_TABLE( wxRichTextCtrl, wxControl )
-#else
-BEGIN_EVENT_TABLE( wxRichTextCtrl, wxScrolledWindow )
-#endif
EVT_PAINT(wxRichTextCtrl::OnPaint)
EVT_ERASE_BACKGROUND(wxRichTextCtrl::OnEraseBackground)
EVT_IDLE(wxRichTextCtrl::OnIdle)
EVT_MIDDLE_DOWN(wxRichTextCtrl::OnMiddleClick)
EVT_LEFT_DCLICK(wxRichTextCtrl::OnLeftDClick)
EVT_CHAR(wxRichTextCtrl::OnChar)
+ EVT_KEY_DOWN(wxRichTextCtrl::OnChar)
EVT_SIZE(wxRichTextCtrl::OnSize)
EVT_SET_FOCUS(wxRichTextCtrl::OnSetFocus)
EVT_KILL_FOCUS(wxRichTextCtrl::OnKillFocus)
+ EVT_MOUSE_CAPTURE_LOST(wxRichTextCtrl::OnCaptureLost)
EVT_CONTEXT_MENU(wxRichTextCtrl::OnContextMenu)
+ EVT_SYS_COLOUR_CHANGED(wxRichTextCtrl::OnSysColourChanged)
EVT_MENU(wxID_UNDO, wxRichTextCtrl::OnUndo)
EVT_UPDATE_UI(wxID_UNDO, wxRichTextCtrl::OnUpdateUndo)
EVT_MENU(wxID_SELECTALL, wxRichTextCtrl::OnSelectAll)
EVT_UPDATE_UI(wxID_SELECTALL, wxRichTextCtrl::OnUpdateSelectAll)
+
+ EVT_MENU(wxID_RICHTEXT_PROPERTIES1, wxRichTextCtrl::OnProperties)
+ EVT_UPDATE_UI(wxID_RICHTEXT_PROPERTIES1, wxRichTextCtrl::OnUpdateProperties)
+
+ EVT_MENU(wxID_RICHTEXT_PROPERTIES2, wxRichTextCtrl::OnProperties)
+ EVT_UPDATE_UI(wxID_RICHTEXT_PROPERTIES2, wxRichTextCtrl::OnUpdateProperties)
+
+ EVT_MENU(wxID_RICHTEXT_PROPERTIES3, wxRichTextCtrl::OnProperties)
+ EVT_UPDATE_UI(wxID_RICHTEXT_PROPERTIES3, wxRichTextCtrl::OnUpdateProperties)
+
END_EVENT_TABLE()
/*!
* wxRichTextCtrl
*/
+wxArrayString wxRichTextCtrl::sm_availableFontNames;
+
wxRichTextCtrl::wxRichTextCtrl()
-#if wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
- : wxScrollHelper(this)
-#endif
+ : wxScrollHelper(this)
{
Init();
}
-wxRichTextCtrl::wxRichTextCtrl( wxWindow* parent, wxWindowID id, const wxString& value, const wxPoint& pos, const wxSize& size, long style)
-#if wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
- : wxScrollHelper(this)
-#endif
+wxRichTextCtrl::wxRichTextCtrl(wxWindow* parent,
+ wxWindowID id,
+ const wxString& value,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+ : wxScrollHelper(this)
{
Init();
- Create(parent, id, value, pos, size, style);
+ Create(parent, id, value, pos, size, style, validator, name);
}
/// Creation
-bool wxRichTextCtrl::Create( wxWindow* parent, wxWindowID id, const wxString& value, const wxPoint& pos, const wxSize& size, long style)
+bool wxRichTextCtrl::Create( wxWindow* parent, wxWindowID id, const wxString& value, const wxPoint& pos, const wxSize& size, long style,
+ const wxValidator& validator, const wxString& name)
{
-#if wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
- if (!wxTextCtrlBase::Create(parent, id, pos, size, style|wxFULL_REPAINT_ON_RESIZE
- ))
- return false;
-#else
- if (!wxScrolledWindow::Create(parent, id, pos, size, style|wxFULL_REPAINT_ON_RESIZE
- ))
+ style |= wxVSCROLL;
+
+ if (!wxControl::Create(parent, id, pos, size,
+ style|wxFULL_REPAINT_ON_RESIZE,
+ validator, name))
return false;
-#endif
- if (!GetFont().Ok())
+ if (!GetFont().IsOk())
{
SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
}
- GetBuffer().SetRichTextCtrl(this);
+ // No physical scrolling, so we can preserve margins
+ EnableScrolling(false, false);
+
+ if (style & wxTE_READONLY)
+ SetEditable(false);
- wxTextAttrEx attributes;
+ // The base attributes must all have default values
+ wxRichTextAttr attributes;
attributes.SetFont(GetFont());
- attributes.SetTextColour(*wxBLACK);
- attributes.SetBackgroundColour(*wxWHITE);
+ attributes.SetTextColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
attributes.SetAlignment(wxTEXT_ALIGNMENT_LEFT);
- attributes.SetFlags(wxTEXT_ATTR_ALL);
-
- SetDefaultStyle(attributes);
+ attributes.SetLineSpacing(10);
+ attributes.SetParagraphSpacingAfter(10);
+ attributes.SetParagraphSpacingBefore(0);
SetBasicStyle(attributes);
- SetBackgroundColour(*wxWHITE);
+ int margin = 5;
+ SetMargins(margin, margin);
+
+ // The default attributes will be merged with base attributes, so
+ // can be empty to begin with
+ wxRichTextAttr defaultAttributes;
+ SetDefaultStyle(defaultAttributes);
+
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
SetBackgroundStyle(wxBG_STYLE_CUSTOM);
+ GetBuffer().Reset();
+ GetBuffer().SetRichTextCtrl(this);
+
+#if wxRICHTEXT_USE_OWN_CARET
+ SetCaret(new wxRichTextCaret(this, wxRICHTEXT_DEFAULT_CARET_WIDTH, 16));
+#else
+ SetCaret(new wxCaret(this, wxRICHTEXT_DEFAULT_CARET_WIDTH, 16));
+#endif
+
// Tell the sizers to use the given or best size
- SetBestFittingSize(size);
+ SetInitialSize(size);
+#if wxRICHTEXT_BUFFERED_PAINTING
// Create a buffer
RecreateBuffer(size);
+#endif
+
+ m_textCursor = wxCursor(wxCURSOR_IBEAM);
+ m_urlCursor = wxCursor(wxCURSOR_HAND);
- SetCursor(wxCursor(wxCURSOR_IBEAM));
+ SetCursor(m_textCursor);
if (!value.IsEmpty())
SetValue(value);
+ GetBuffer().AddEventHandler(this);
+
+ // Accelerators
+ wxAcceleratorEntry entries[6];
+
+ entries[0].Set(wxACCEL_CTRL, (int) 'C', wxID_COPY);
+ entries[1].Set(wxACCEL_CTRL, (int) 'X', wxID_CUT);
+ entries[2].Set(wxACCEL_CTRL, (int) 'V', wxID_PASTE);
+ entries[3].Set(wxACCEL_CTRL, (int) 'A', wxID_SELECTALL);
+ entries[4].Set(wxACCEL_CTRL, (int) 'Z', wxID_UNDO);
+ entries[5].Set(wxACCEL_CTRL, (int) 'Y', wxID_REDO);
+
+ wxAcceleratorTable accel(6, entries);
+ SetAcceleratorTable(accel);
+
+ m_contextMenu = new wxMenu;
+ m_contextMenu->Append(wxID_UNDO, _("&Undo"));
+ m_contextMenu->Append(wxID_REDO, _("&Redo"));
+ m_contextMenu->AppendSeparator();
+ m_contextMenu->Append(wxID_CUT, _("Cu&t"));
+ m_contextMenu->Append(wxID_COPY, _("&Copy"));
+ m_contextMenu->Append(wxID_PASTE, _("&Paste"));
+ m_contextMenu->Append(wxID_CLEAR, _("&Delete"));
+ m_contextMenu->AppendSeparator();
+ m_contextMenu->Append(wxID_SELECTALL, _("Select &All"));
+ m_contextMenu->AppendSeparator();
+ m_contextMenu->Append(wxID_RICHTEXT_PROPERTIES1, _("&Properties"));
+
+#if wxUSE_DRAG_AND_DROP
+ SetDropTarget(new wxRichTextDropTarget(this));
+#endif
+
return true;
}
wxRichTextCtrl::~wxRichTextCtrl()
{
+ SetFocusObject(& GetBuffer(), false);
+ GetBuffer().RemoveEventHandler(this);
+
delete m_contextMenu;
}
/// Member initialisation
void wxRichTextCtrl::Init()
{
- m_freezeCount = 0;
m_contextMenu = NULL;
m_caret = NULL;
m_caretPosition = -1;
- m_selectionRange.SetRange(-2, -2);
m_selectionAnchor = -2;
+ m_selectionAnchorObject = NULL;
+ m_selectionState = wxRichTextCtrlSelectionState_Normal;
m_editable = true;
+ m_useVirtualAttributes = false;
+ m_verticalScrollbarEnabled = true;
m_caretAtLineStart = false;
m_dragging = false;
+#if wxUSE_DRAG_AND_DROP
+ m_preDrag = false;
+#endif
m_fullLayoutRequired = false;
m_fullLayoutTime = 0;
m_fullLayoutSavedPosition = 0;
m_delayedLayoutThreshold = wxRICHTEXT_DEFAULT_DELAYED_LAYOUT_THRESHOLD;
m_caretPositionForDefaultStyle = -2;
+ m_focusObject = & m_buffer;
+ m_scale = 1.0;
}
-/// Call Freeze to prevent refresh
-void wxRichTextCtrl::Freeze()
-{
- m_freezeCount ++;
-}
-
-/// Call Thaw to refresh
-void wxRichTextCtrl::Thaw()
+void wxRichTextCtrl::DoThaw()
{
- m_freezeCount --;
-
- if (m_freezeCount == 0)
- {
+ if (GetBuffer().IsDirty())
+ LayoutContent();
+ else
SetupScrollbars();
- Refresh(false);
- }
+
+ wxWindow::DoThaw();
}
/// Clear all text
void wxRichTextCtrl::Clear()
{
- m_buffer.Reset();
- m_buffer.SetDirty(true);
+ if (GetFocusObject() == & GetBuffer())
+ {
+ m_buffer.ResetAndClearCommands();
+ m_buffer.Invalidate(wxRICHTEXT_ALL);
+ }
+ else
+ {
+ GetFocusObject()->Reset();
+ }
+
m_caretPosition = -1;
m_caretPositionForDefaultStyle = -2;
m_caretAtLineStart = false;
- m_selectionRange.SetRange(-2, -2);
+ m_selection.Reset();
+ m_selectionState = wxRichTextCtrlSelectionState_Normal;
- SetScrollbars(0, 0, 0, 0, 0, 0);
+ Scroll(0,0);
- if (m_freezeCount == 0)
+ if (!IsFrozen())
{
- SetupScrollbars();
+ LayoutContent();
Refresh(false);
}
- SendUpdateEvent();
+
+ wxTextCtrl::SendTextUpdatedEvent(this);
}
/// Painting
void wxRichTextCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
{
- if (GetCaret())
+#if !wxRICHTEXT_USE_OWN_CARET
+ if (GetCaret() && !IsFrozen())
GetCaret()->Hide();
+#else
+ // Stop the caret refreshing the control from within the
+ // paint handler
+ if (GetCaret())
+ ((wxRichTextCaret*) GetCaret())->EnableRefresh(false);
+#endif
{
+#if wxRICHTEXT_BUFFERED_PAINTING
wxBufferedPaintDC dc(this, m_bufferBitmap);
- //wxLogDebug(wxT("OnPaint"));
-
- PrepareDC(dc);
+#else
+ wxPaintDC dc(this);
+#endif
- if (m_freezeCount > 0)
+ if (IsFrozen())
return;
+ PrepareDC(dc);
+
dc.SetFont(GetFont());
+ wxRect drawingArea(GetUpdateRegion().GetBox());
+ drawingArea.SetPosition(GetUnscaledPoint(GetLogicalPoint(drawingArea.GetPosition())));
+ drawingArea.SetSize(GetUnscaledSize(drawingArea.GetSize()));
+
+ wxRect availableSpace(GetUnscaledSize(GetClientSize()));
+ wxRichTextDrawingContext context(& GetBuffer());
+ if (GetBuffer().IsDirty())
+ {
+ dc.SetUserScale(GetScale(), GetScale());
+
+ GetBuffer().Layout(dc, context, availableSpace, availableSpace, wxRICHTEXT_FIXED_WIDTH|wxRICHTEXT_VARIABLE_HEIGHT);
+ GetBuffer().Invalidate(wxRICHTEXT_NONE);
+
+ dc.SetUserScale(1.0, 1.0);
+
+ SetupScrollbars();
+ }
+
// Paint the background
PaintBackground(dc);
- wxRegion dirtyRegion = GetUpdateRegion();
+ wxRect clipRect(availableSpace);
+ clipRect.x += GetBuffer().GetLeftMargin();
+ clipRect.y += GetBuffer().GetTopMargin();
+ clipRect.width -= (GetBuffer().GetLeftMargin() + GetBuffer().GetRightMargin());
+ clipRect.height -= (GetBuffer().GetTopMargin() + GetBuffer().GetBottomMargin());
- wxRect drawingArea(GetLogicalPoint(wxPoint(0, 0)), GetClientSize());
- wxRect availableSpace(GetClientSize());
- if (GetBuffer().GetDirty())
+ clipRect = GetScaledRect(clipRect);
+ clipRect.SetPosition(GetLogicalPoint(clipRect.GetPosition()));
+
+ dc.SetClippingRegion(clipRect);
+
+ int flags = 0;
+ if ((GetExtraStyle() & wxRICHTEXT_EX_NO_GUIDELINES) == 0)
+ flags |= wxRICHTEXT_DRAW_GUIDELINES;
+
+ dc.SetUserScale(GetScale(), GetScale());
+
+ GetBuffer().Draw(dc, context, GetBuffer().GetOwnRange(), GetSelection(), drawingArea, 0 /* descent */, flags);
+
+ dc.DestroyClippingRegion();
+
+ // Other user defined painting after everything else (i.e. all text) is painted
+ PaintAboveContent(dc);
+
+#if wxRICHTEXT_USE_OWN_CARET
+ if (GetCaret()->IsVisible())
{
- GetBuffer().Layout(dc, availableSpace, wxRICHTEXT_FIXED_WIDTH|wxRICHTEXT_VARIABLE_HEIGHT);
- GetBuffer().SetDirty(false);
- SetupScrollbars();
+ PositionCaret();
+ ((wxRichTextCaret*) GetCaret())->DoDraw(& dc);
}
+#endif
- GetBuffer().Draw(dc, GetBuffer().GetRange(), GetInternalSelectionRange(), drawingArea, 0 /* descent */, 0 /* flags */);
+ dc.SetUserScale(1.0, 1.0);
}
+#if !wxRICHTEXT_USE_OWN_CARET
if (GetCaret())
GetCaret()->Show();
-
PositionCaret();
+#else
+ if (GetCaret())
+ ((wxRichTextCaret*) GetCaret())->EnableRefresh(true);
+#endif
}
// Empty implementation, to prevent flicker
void wxRichTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
{
- wxCaret* caret = new wxCaret(this, wxRICHTEXT_DEFAULT_CARET_WIDTH, 16);
- SetCaret(caret);
- caret->Show();
- PositionCaret();
+ if (GetCaret())
+ {
+#if !wxRICHTEXT_USE_OWN_CARET
+ PositionCaret();
+#endif
+ GetCaret()->Show();
+ }
+#if defined(__WXGTK__) && !wxRICHTEXT_USE_OWN_CARET
+ // Work around dropouts when control is focused
if (!IsFrozen())
+ {
Refresh(false);
+ }
+#endif
}
void wxRichTextCtrl::OnKillFocus(wxFocusEvent& WXUNUSED(event))
{
- SetCaret(NULL);
+ if (GetCaret())
+ GetCaret()->Hide();
+#if defined(__WXGTK__) && !wxRICHTEXT_USE_OWN_CARET
+ // Work around dropouts when control is focused
if (!IsFrozen())
+ {
Refresh(false);
+ }
+#endif
+}
+
+void wxRichTextCtrl::OnCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
+{
+ m_dragging = false;
+}
+
+// Set up the caret for the given position and container, after a mouse click
+bool wxRichTextCtrl::SetCaretPositionAfterClick(wxRichTextParagraphLayoutBox* container, long position, int hitTestFlags, bool extendSelection)
+{
+ bool caretAtLineStart = false;
+
+ if (hitTestFlags & wxRICHTEXT_HITTEST_BEFORE)
+ {
+ // If we're at the start of a line (but not first in para)
+ // then we should keep the caret showing at the start of the line
+ // by showing the m_caretAtLineStart flag.
+ wxRichTextParagraph* para = container->GetParagraphAtPosition(position);
+ wxRichTextLine* line = container->GetLineAtPosition(position);
+
+ if (line && para && line->GetAbsoluteRange().GetStart() == position && para->GetRange().GetStart() != position)
+ caretAtLineStart = true;
+ position --;
+ }
+
+ if (extendSelection && (m_caretPosition != position))
+ ExtendSelection(m_caretPosition, position, wxRICHTEXT_SHIFT_DOWN);
+
+ MoveCaret(position, caretAtLineStart);
+ SetDefaultStyleToCursorStyle();
+
+ return true;
}
/// Left-click
PrepareDC(dc);
dc.SetFont(GetFont());
+ // TODO: detect change of focus object
long position = 0;
- int hit = GetBuffer().HitTest(dc, event.GetLogicalPosition(dc), position);
-
- if (hit != wxRICHTEXT_HITTEST_NONE)
+ wxRichTextObject* hitObj = NULL;
+ wxRichTextObject* contextObj = NULL;
+ wxRichTextDrawingContext context(& GetBuffer());
+ int hit = GetBuffer().HitTest(dc, context, GetUnscaledPoint(event.GetLogicalPosition(dc)), position, & hitObj, & contextObj, wxRICHTEXT_HITTEST_HONOUR_ATOMIC);
+
+#if wxUSE_DRAG_AND_DROP
+ // If there's no selection, or we're not inside it, this isn't an attempt to initiate Drag'n'Drop
+ if (IsEditable() && HasSelection() && GetSelectionRange().ToInternal().Contains(position))
{
- m_dragStart = event.GetLogicalPosition(dc);
- m_dragging = true;
- CaptureMouse();
+ // This might be an attempt at initiating Drag'n'Drop. So set the time & flags
+ m_preDrag = true;
+ m_dragStartPoint = event.GetPosition(); // No need to worry about logical positions etc, we only care about the distance from the original pt
- SelectNone();
+#if wxUSE_DATETIME
+ m_dragStartTime = wxDateTime::UNow();
+#endif // wxUSE_DATETIME
- bool caretAtLineStart = false;
+ // Preserve behaviour of clicking on an object within the selection
+ if (hit != wxRICHTEXT_HITTEST_NONE && hitObj)
+ m_dragging = true;
- if (hit & wxRICHTEXT_HITTEST_BEFORE)
- {
- // If we're at the start of a line (but not first in para)
- // then we should keep the caret showing at the start of the line
- // by showing the m_caretAtLineStart flag.
- wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(position);
- wxRichTextLine* line = GetBuffer().GetLineAtPosition(position);
+ return; // Don't skip the event, else the selection will be lost
+ }
+#endif // wxUSE_DRAG_AND_DROP
- if (line && para && line->GetAbsoluteRange().GetStart() == position && para->GetRange().GetStart() != position)
- caretAtLineStart = true;
- position --;
+ if (hit != wxRICHTEXT_HITTEST_NONE && hitObj)
+ {
+ wxRichTextParagraphLayoutBox* oldFocusObject = GetFocusObject();
+ wxRichTextParagraphLayoutBox* container = wxDynamicCast(contextObj, wxRichTextParagraphLayoutBox);
+ if (container && container != GetFocusObject() && container->AcceptsFocus())
+ {
+ SetFocusObject(container, false /* don't set caret position yet */);
}
- MoveCaret(position, caretAtLineStart);
- SetDefaultStyleToCursorStyle();
+ m_dragging = true;
+ CaptureMouse();
-#if 0
- wxWindow* p = GetParent();
- while (p && !p->IsKindOf(CLASSINFO(wxFrame)))
- p = p->GetParent();
+ long oldCaretPos = m_caretPosition;
- wxFrame* frame = wxDynamicCast(p, wxFrame);
- if (frame)
- {
- wxString msg = wxString::Format(wxT("Found position %ld"), position);
- frame->SetStatusText(msg, 1);
- }
-#endif
+ SetCaretPositionAfterClick(container, position, hit);
+
+ // For now, don't handle shift-click when we're selecting multiple objects.
+ if (event.ShiftDown() && GetFocusObject() == oldFocusObject && m_selectionState == wxRichTextCtrlSelectionState_Normal)
+ ExtendSelection(oldCaretPos, m_caretPosition, wxRICHTEXT_SHIFT_DOWN);
+ else
+ SelectNone();
}
event.Skip();
}
/// Left-up
-void wxRichTextCtrl::OnLeftUp(wxMouseEvent& WXUNUSED(event))
+void wxRichTextCtrl::OnLeftUp(wxMouseEvent& event)
{
if (m_dragging)
{
m_dragging = false;
if (GetCapture() == this)
ReleaseMouse();
- }
-}
-
-/// Left-click
-void wxRichTextCtrl::OnMoveMouse(wxMouseEvent& event)
-{
- if (!event.Dragging())
- {
- event.Skip();
- return;
- }
- wxClientDC dc(this);
- PrepareDC(dc);
- dc.SetFont(GetFont());
+ // See if we clicked on a URL
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ dc.SetFont(GetFont());
- long position = 0;
- wxPoint logicalPt = event.GetLogicalPosition(dc);
- int hit = GetBuffer().HitTest(dc, logicalPt, position);
+ long position = 0;
+ wxPoint logicalPt = event.GetLogicalPosition(dc);
+ wxRichTextObject* hitObj = NULL;
+ wxRichTextObject* contextObj = NULL;
+ wxRichTextDrawingContext context(& GetBuffer());
+ // Only get objects at this level, not nested, because otherwise we couldn't swipe text at a single level.
+ int hit = GetFocusObject()->HitTest(dc, context, GetUnscaledPoint(logicalPt), position, & hitObj, & contextObj, wxRICHTEXT_HITTEST_NO_NESTED_OBJECTS|wxRICHTEXT_HITTEST_HONOUR_ATOMIC);
- if (m_dragging && hit != wxRICHTEXT_HITTEST_NONE)
- {
- // TODO: test closeness
+#if wxUSE_DRAG_AND_DROP
+ if (m_preDrag)
+ {
+ // Preserve the behaviour that would have happened without drag-and-drop detection, in OnLeftClick
+ m_preDrag = false; // Tell DnD not to happen now: we are processing Left Up ourselves.
+
+ // Do the actions that would have been done in OnLeftClick if we hadn't tried to drag
+ long position = 0;
+ wxRichTextObject* hitObj = NULL;
+ wxRichTextObject* contextObj = NULL;
+ int hit = GetBuffer().HitTest(dc, context, GetUnscaledPoint(event.GetLogicalPosition(dc)), position, & hitObj, & contextObj, wxRICHTEXT_HITTEST_HONOUR_ATOMIC);
+ wxRichTextParagraphLayoutBox* oldFocusObject = GetFocusObject();
+ wxRichTextParagraphLayoutBox* container = wxDynamicCast(contextObj, wxRichTextParagraphLayoutBox);
+ if (container && container != GetFocusObject() && container->AcceptsFocus())
+ {
+ SetFocusObject(container, false /* don't set caret position yet */);
+ }
- bool caretAtLineStart = false;
+ long oldCaretPos = m_caretPosition;
- if (hit & wxRICHTEXT_HITTEST_BEFORE)
- {
- // If we're at the start of a line (but not first in para)
- // then we should keep the caret showing at the start of the line
- // by showing the m_caretAtLineStart flag.
- wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(position);
- wxRichTextLine* line = GetBuffer().GetLineAtPosition(position);
+ SetCaretPositionAfterClick(container, position, hit);
- if (line && para && line->GetAbsoluteRange().GetStart() == position && para->GetRange().GetStart() != position)
- caretAtLineStart = true;
- position --;
+ // For now, don't handle shift-click when we're selecting multiple objects.
+ if (event.ShiftDown() && GetFocusObject() == oldFocusObject && m_selectionState == wxRichTextCtrlSelectionState_Normal)
+ ExtendSelection(oldCaretPos, m_caretPosition, wxRICHTEXT_SHIFT_DOWN);
+ else
+ SelectNone();
}
+#endif
- if (m_caretPosition != position)
+ if ((hit != wxRICHTEXT_HITTEST_NONE) && !(hit & wxRICHTEXT_HITTEST_OUTSIDE))
{
- bool extendSel = ExtendSelection(m_caretPosition, position, wxRICHTEXT_SHIFT_DOWN);
-
- MoveCaret(position, caretAtLineStart);
- SetDefaultStyleToCursorStyle();
-
- if (extendSel)
- Refresh(false);
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_LEFT_CLICK,
+ GetId());
+ cmdEvent.SetEventObject(this);
+ cmdEvent.SetPosition(position);
+ if (hitObj)
+ cmdEvent.SetContainer(hitObj->GetContainer());
+
+ if (!GetEventHandler()->ProcessEvent(cmdEvent))
+ {
+ wxRichTextAttr attr;
+ if (GetStyle(position, attr))
+ {
+ if (attr.HasFlag(wxTEXT_ATTR_URL))
+ {
+ wxString urlTarget = attr.GetURL();
+ if (!urlTarget.IsEmpty())
+ {
+ wxMouseEvent mouseEvent(event);
+
+ long startPos = 0, endPos = 0;
+ wxRichTextObject* obj = GetFocusObject()->GetLeafObjectAtPosition(position);
+ if (obj)
+ {
+ startPos = obj->GetRange().GetStart();
+ endPos = obj->GetRange().GetEnd();
+ }
+
+ wxTextUrlEvent urlEvent(GetId(), mouseEvent, startPos, endPos);
+ InitCommandEvent(urlEvent);
+
+ urlEvent.SetString(urlTarget);
+
+ GetEventHandler()->ProcessEvent(urlEvent);
+ }
+ }
+ }
+ }
}
}
-}
-/// Right-click
-void wxRichTextCtrl::OnRightClick(wxMouseEvent& event)
-{
- SetFocus();
- event.Skip();
-}
+#if wxUSE_DRAG_AND_DROP
+ m_preDrag = false;
+#endif // wxUSE_DRAG_AND_DROP
-/// Left-double-click
-void wxRichTextCtrl::OnLeftDClick(wxMouseEvent& event)
-{
- event.Skip();
-}
+#if wxUSE_CLIPBOARD && wxUSE_DATAOBJ && wxHAVE_PRIMARY_SELECTION
+ if (HasSelection() && GetFocusObject() && GetFocusObject()->GetBuffer())
+ {
+ // Put the selection in PRIMARY, if it exists
+ wxTheClipboard->UsePrimarySelection(true);
-/// Middle-click
-void wxRichTextCtrl::OnMiddleClick(wxMouseEvent& event)
-{
- event.Skip();
+ wxRichTextRange range = GetInternalSelectionRange();
+ GetFocusObject()->GetBuffer()->CopyToClipboard(range);
+
+ wxTheClipboard->UsePrimarySelection(false);
+ }
+#endif
}
-/// Key press
-void wxRichTextCtrl::OnChar(wxKeyEvent& event)
+/// Mouse-movements
+void wxRichTextCtrl::OnMoveMouse(wxMouseEvent& event)
{
- int flags = 0;
- if (event.ControlDown())
- flags |= wxRICHTEXT_CTRL_DOWN;
- if (event.ShiftDown())
- flags |= wxRICHTEXT_SHIFT_DOWN;
- if (event.AltDown())
- flags |= wxRICHTEXT_ALT_DOWN;
-
- if (event.GetKeyCode() == WXK_LEFT ||
- event.GetKeyCode() == WXK_RIGHT ||
- event.GetKeyCode() == WXK_UP ||
- event.GetKeyCode() == WXK_DOWN ||
- event.GetKeyCode() == WXK_HOME ||
- event.GetKeyCode() == WXK_PAGEUP ||
- event.GetKeyCode() == WXK_PAGEDOWN ||
- event.GetKeyCode() == WXK_END)
+ if (!event.Dragging() && m_dragging)
{
- KeyboardNavigate(event.GetKeyCode(), flags);
- return;
+ // We may have accidentally lost a mouse-up event, especially on Linux
+ m_dragging = false;
+ if (GetCapture() == this)
+ ReleaseMouse();
}
- // all the other keys modify the controls contents which shouldn't be
- // possible if we're read-only
- if ( !IsEditable() )
+#if wxUSE_DRAG_AND_DROP
+ size_t distance = 0;
+ if (m_preDrag || m_dragging)
{
- event.Skip();
- return;
+ int x = m_dragStartPoint.x - event.GetPosition().x;
+ int y = m_dragStartPoint.y - event.GetPosition().y;
+ distance = abs(x) + abs(y);
}
- if (event.GetKeyCode() == WXK_RETURN)
+ // See if we're starting Drag'n'Drop
+ if (m_preDrag)
{
- BeginBatchUndo(_("Insert Text"));
+#if wxUSE_DATETIME
+ wxTimeSpan diff = wxDateTime::UNow() - m_dragStartTime;
+#endif
+ if ((distance > 10)
+#if wxUSE_DATETIME
+ && (diff.GetMilliseconds() > 100)
+#endif
+ )
+ {
+ m_dragging = false;
- long newPos = m_caretPosition;
+ // Start drag'n'drop
+ wxRichTextRange range = GetInternalSelectionRange();
+ if (range == wxRICHTEXT_NONE)
+ {
+ // Don't try to drag an empty range
+ m_preDrag = false;
+ return;
+ }
- DeleteSelectedContent(& newPos);
+ // Cache the current situation, to be restored if Drag'n'Drop is cancelled
+ long oldPos = GetCaretPosition();
+ wxRichTextParagraphLayoutBox* oldFocus = GetFocusObject();
- GetBuffer().InsertNewlineWithUndo(newPos+1, this);
+ wxDataObjectComposite* compositeObject = new wxDataObjectComposite();
+ wxString text = GetFocusObject()->GetTextForRange(range);
+#ifdef __WXMSW__
+ text = wxTextFile::Translate(text, wxTextFileType_Dos);
+#endif
+ compositeObject->Add(new wxTextDataObject(text), false /* not preferred */);
- wxRichTextEvent cmdEvent(
- wxEVT_COMMAND_RICHTEXT_RETURN,
- GetId());
- cmdEvent.SetEventObject(this);
- cmdEvent.SetFlags(flags);
- GetEventHandler()->ProcessEvent(cmdEvent);
+ wxRichTextBuffer* richTextBuf = new wxRichTextBuffer;
+ GetFocusObject()->CopyFragment(range, *richTextBuf);
+ compositeObject->Add(new wxRichTextBufferDataObject(richTextBuf), true /* preferred */);
- EndBatchUndo();
- SetDefaultStyleToCursorStyle();
+ wxRichTextDropSource source(*compositeObject, this);
+ // Use wxDrag_DefaultMove, not because it's the likelier choice but because pressing Ctrl for Copy obeys the principle of least surprise
+ // The alternative, wxDrag_DefaultCopy, requires the user to know that Move needs the Shift key pressed
+ BeginBatchUndo(_("Drag"));
+ switch (source.DoDragDrop(wxDrag_AllowMove | wxDrag_DefaultMove))
+ {
+ case wxDragMove:
+ case wxDragCopy: break;
+
+ case wxDragError:
+ wxLogError(wxT("An error occurred during drag and drop operation"));
+ case wxDragNone:
+ case wxDragCancel:
+ Refresh(); // This is needed in wxMSW, otherwise resetting the position doesn't 'take'
+ SetCaretPosition(oldPos);
+ SetFocusObject(oldFocus, false);
+ default: break;
+ }
+ EndBatchUndo();
- ScrollIntoView(m_caretPosition, WXK_RIGHT);
+ m_preDrag = false;
+ return;
+ }
}
- else if (event.GetKeyCode() == WXK_BACK)
+#endif // wxUSE_DRAG_AND_DROP
+
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ dc.SetFont(GetFont());
+
+ long position = 0;
+ wxPoint logicalPt = event.GetLogicalPosition(dc);
+ wxRichTextObject* hitObj = NULL;
+ wxRichTextObject* contextObj = NULL;
+
+ int flags = 0;
+
+ // If we're dragging, let's only consider positions at this level; otherwise
+ // selecting a range is not going to work.
+ wxRichTextParagraphLayoutBox* container = & GetBuffer();
+ if (m_dragging)
{
- BeginBatchUndo(_("Delete Text"));
+ flags = wxRICHTEXT_HITTEST_NO_NESTED_OBJECTS;
+ container = GetFocusObject();
+ }
+ wxRichTextDrawingContext context(& GetBuffer());
+ int hit = container->HitTest(dc, context, GetUnscaledPoint(logicalPt), position, & hitObj, & contextObj, flags);
- // Submit range in character positions, which are greater than caret positions,
- // so subtract 1 for deleted character and add 1 for conversion to character position.
- if (m_caretPosition > -1 && !HasSelection())
+ // See if we need to change the cursor
+
+ {
+ if (hit != wxRICHTEXT_HITTEST_NONE && !(hit & wxRICHTEXT_HITTEST_OUTSIDE) && hitObj)
{
- GetBuffer().DeleteRangeWithUndo(wxRichTextRange(m_caretPosition, m_caretPosition),
- m_caretPosition, // Current caret position
- m_caretPosition-1, // New caret position
- this);
+ wxRichTextParagraphLayoutBox* actualContainer = wxDynamicCast(contextObj, wxRichTextParagraphLayoutBox);
+ if (actualContainer)
+ ProcessMouseMovement(actualContainer, hitObj, position, logicalPt);
}
else
- DeleteSelectedContent();
-
- EndBatchUndo();
+ SetCursor(m_textCursor);
+ }
- // Shouldn't this be in Do()?
- if (GetLastPosition() == -1)
- {
- GetBuffer().Reset();
-
- m_caretPosition = -1;
- PositionCaret();
- SetDefaultStyleToCursorStyle();
- }
-
- ScrollIntoView(m_caretPosition, WXK_LEFT);
- }
- else if (event.GetKeyCode() == WXK_DELETE)
+ if (!event.Dragging())
{
- BeginBatchUndo(_("Delete Text"));
+ event.Skip();
+ return;
+ }
- // Submit range in character positions, which are greater than caret positions,
- if (m_caretPosition < GetBuffer().GetRange().GetEnd()+1 && !HasSelection())
+ if (m_dragging
+#if wxUSE_DRAG_AND_DROP
+ && !m_preDrag
+ && (distance > 4)
+#endif
+ )
+ {
+ wxRichTextParagraphLayoutBox* commonAncestor = NULL;
+ wxRichTextParagraphLayoutBox* otherContainer = NULL;
+ wxRichTextParagraphLayoutBox* firstContainer = NULL;
+
+ // Check for dragging across multiple containers
+ long position2 = 0;
+ wxRichTextObject* hitObj2 = NULL, *contextObj2 = NULL;
+ int hit2 = GetBuffer().HitTest(dc, context, GetUnscaledPoint(logicalPt), position2, & hitObj2, & contextObj2, 0);
+ if (hit2 != wxRICHTEXT_HITTEST_NONE && !(hit2 & wxRICHTEXT_HITTEST_OUTSIDE) && hitObj2 && hitObj != hitObj2)
{
- GetBuffer().DeleteRangeWithUndo(wxRichTextRange(m_caretPosition+1, m_caretPosition+1),
- m_caretPosition, // Current caret position
- m_caretPosition+1, // New caret position
- this);
- }
- else
- DeleteSelectedContent();
+ // See if we can find a common ancestor
+ if (m_selectionState == wxRichTextCtrlSelectionState_Normal)
+ {
+ firstContainer = GetFocusObject();
+ commonAncestor = wxDynamicCast(firstContainer->GetParent(), wxRichTextParagraphLayoutBox);
+ }
+ else
+ {
+ firstContainer = wxDynamicCast(m_selectionAnchorObject, wxRichTextParagraphLayoutBox);
+ //commonAncestor = GetFocusObject(); // when the selection state is not normal, the focus object (e.g. table)
+ // is the common ancestor.
+ commonAncestor = wxDynamicCast(firstContainer->GetParent(), wxRichTextParagraphLayoutBox);
+ }
- EndBatchUndo();
+ if (commonAncestor && commonAncestor->HandlesChildSelections())
+ {
+ wxRichTextObject* p = hitObj2;
+ while (p)
+ {
+ if (p->GetParent() == commonAncestor)
+ {
+ otherContainer = wxDynamicCast(p, wxRichTextParagraphLayoutBox);
+ break;
+ }
+ p = p->GetParent();
+ }
+ }
- // Shouldn't this be in Do()?
- if (GetLastPosition() == -1)
- {
- GetBuffer().Reset();
+ if (commonAncestor && firstContainer && otherContainer)
+ {
+ // We have now got a second container that shares a parent with the current or anchor object.
+ if (m_selectionState == wxRichTextCtrlSelectionState_Normal)
+ {
+ // Don't go into common-ancestor selection mode if we still have the same
+ // container.
+ if (otherContainer != firstContainer)
+ {
+ m_selectionState = wxRichTextCtrlSelectionState_CommonAncestor;
+ m_selectionAnchorObject = firstContainer;
+ m_selectionAnchor = firstContainer->GetRange().GetStart();
+
+ // The common ancestor, such as a table, returns the cell selection
+ // between the anchor and current position.
+ m_selection = commonAncestor->GetSelection(m_selectionAnchor, otherContainer->GetRange().GetStart());
+ }
+ }
+ else
+ {
+ m_selection = commonAncestor->GetSelection(m_selectionAnchor, otherContainer->GetRange().GetStart());
+ }
- m_caretPosition = -1;
- PositionCaret();
- SetDefaultStyleToCursorStyle();
+ Refresh();
+
+ if (otherContainer->AcceptsFocus())
+ SetFocusObject(otherContainer, false /* don't set caret and clear selection */);
+ MoveCaret(-1, false);
+ SetDefaultStyleToCursorStyle();
+ }
}
}
- else
+
+ if (hitObj && m_dragging && hit != wxRICHTEXT_HITTEST_NONE && m_selectionState == wxRichTextCtrlSelectionState_Normal
+#if wxUSE_DRAG_AND_DROP
+ && !m_preDrag
+ && (distance > 4)
+#endif
+ )
{
- BeginBatchUndo(_("Insert Text"));
+ SetCaretPositionAfterClick(container, position, hit, true /* extend selection */);
+ }
+}
- long newPos = m_caretPosition;
- DeleteSelectedContent(& newPos);
+/// Right-click
+void wxRichTextCtrl::OnRightClick(wxMouseEvent& event)
+{
+ SetFocus();
- wxString str = (wxChar) event.GetKeyCode();
- GetBuffer().InsertTextWithUndo(newPos+1, str, this);
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ dc.SetFont(GetFont());
- EndBatchUndo();
+ long position = 0;
+ wxPoint logicalPt = event.GetLogicalPosition(dc);
+ wxRichTextObject* hitObj = NULL;
+ wxRichTextObject* contextObj = NULL;
+ wxRichTextDrawingContext context(& GetBuffer());
+ int hit = GetFocusObject()->HitTest(dc, context, GetUnscaledPoint(logicalPt), position, & hitObj, & contextObj, wxRICHTEXT_HITTEST_HONOUR_ATOMIC);
- SetDefaultStyleToCursorStyle();
- ScrollIntoView(m_caretPosition, WXK_RIGHT);
+ if (hitObj && hitObj->GetContainer() != GetFocusObject())
+ {
+ wxRichTextParagraphLayoutBox* actualContainer = wxDynamicCast(contextObj, wxRichTextParagraphLayoutBox);
+ if (actualContainer && actualContainer->AcceptsFocus())
+ {
+ SetFocusObject(actualContainer, false /* don't set caret position yet */);
+ SetCaretPositionAfterClick(actualContainer, position, hit);
+ }
}
+
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_RIGHT_CLICK,
+ GetId());
+ cmdEvent.SetEventObject(this);
+ cmdEvent.SetPosition(position);
+ if (hitObj)
+ cmdEvent.SetContainer(hitObj->GetContainer());
+
+ if (!GetEventHandler()->ProcessEvent(cmdEvent))
+ event.Skip();
}
-/// Delete content if there is a selection, e.g. when pressing a key.
-bool wxRichTextCtrl::DeleteSelectedContent(long* newPos)
+/// Left-double-click
+void wxRichTextCtrl::OnLeftDClick(wxMouseEvent& WXUNUSED(event))
{
- if (HasSelection())
- {
- long pos = m_selectionRange.GetStart();
- GetBuffer().DeleteRangeWithUndo(m_selectionRange,
- m_caretPosition, // Current caret position
- pos, // New caret position
- this);
- m_selectionRange.SetRange(-2, -2);
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_LEFT_DCLICK,
+ GetId());
+ cmdEvent.SetEventObject(this);
+ cmdEvent.SetPosition(m_caretPosition+1);
+ cmdEvent.SetContainer(GetFocusObject());
- if (newPos)
- *newPos = pos-1;
- return true;
+ if (!GetEventHandler()->ProcessEvent(cmdEvent))
+ {
+ SelectWord(GetCaretPosition()+1);
}
- else
- return false;
}
-/// Keyboard navigation
-
-/*
-
-Left: left one character
-Right: right one character
-Up: up one line
-Down: down one line
-Ctrl-Left: left one word
-Ctrl-Right: right one word
-Ctrl-Up: previous paragraph start
-Ctrl-Down: next start of paragraph
-Home: start of line
-End: end of line
-Ctrl-Home: start of document
-Ctrl-End: end of document
-Page-Up: Up a screen
-Page-Down: Down a screen
-
-Maybe:
-
-Ctrl-Alt-PgUp: Start of window
-Ctrl-Alt-PgDn: End of window
-F8: Start selection mode
-Esc: End selection mode
-
-Adding Shift does the above but starts/extends selection.
+/// Middle-click
+void wxRichTextCtrl::OnMiddleClick(wxMouseEvent& event)
+{
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_MIDDLE_CLICK,
+ GetId());
+ cmdEvent.SetEventObject(this);
+ cmdEvent.SetPosition(m_caretPosition+1);
+ cmdEvent.SetContainer(GetFocusObject());
+ if (!GetEventHandler()->ProcessEvent(cmdEvent))
+ event.Skip();
- */
+#if wxUSE_CLIPBOARD && wxUSE_DATAOBJ && wxHAVE_PRIMARY_SELECTION
+ // Paste any PRIMARY selection, if it exists
+ wxTheClipboard->UsePrimarySelection(true);
+ Paste();
+ wxTheClipboard->UsePrimarySelection(false);
+#endif
+}
-bool wxRichTextCtrl::KeyboardNavigate(int keyCode, int flags)
+/// Key press
+void wxRichTextCtrl::OnChar(wxKeyEvent& event)
{
- bool success = false;
+ int flags = 0;
+ if (event.CmdDown())
+ flags |= wxRICHTEXT_CTRL_DOWN;
+ if (event.ShiftDown())
+ flags |= wxRICHTEXT_SHIFT_DOWN;
+ if (event.AltDown())
+ flags |= wxRICHTEXT_ALT_DOWN;
- if (keyCode == WXK_RIGHT)
- {
- if (flags & wxRICHTEXT_CTRL_DOWN)
- success = WordRight(1, flags);
- else
- success = MoveRight(1, flags);
- }
- else if (keyCode == WXK_LEFT)
- {
- if (flags & wxRICHTEXT_CTRL_DOWN)
- success = WordLeft(1, flags);
- else
- success = MoveLeft(1, flags);
- }
- else if (keyCode == WXK_UP)
- {
- if (flags & wxRICHTEXT_CTRL_DOWN)
- success = MoveToParagraphStart(flags);
- else
- success = MoveUp(1, flags);
- }
- else if (keyCode == WXK_DOWN)
- {
- if (flags & wxRICHTEXT_CTRL_DOWN)
- success = MoveToParagraphEnd(flags);
- else
- success = MoveDown(1, flags);
- }
- else if (keyCode == WXK_PAGEUP)
- {
- success = PageUp(1, flags);
- }
- else if (keyCode == WXK_PAGEDOWN)
- {
- success = PageDown(1, flags);
- }
- else if (keyCode == WXK_HOME)
+ if (event.GetEventType() == wxEVT_KEY_DOWN)
{
- if (flags & wxRICHTEXT_CTRL_DOWN)
- success = MoveHome(flags);
+ if (event.IsKeyInCategory(WXK_CATEGORY_NAVIGATION))
+ {
+ KeyboardNavigate(event.GetKeyCode(), flags);
+ return;
+ }
+
+ long keycode = event.GetKeyCode();
+ switch ( keycode )
+ {
+ case WXK_ESCAPE:
+ case WXK_START:
+ case WXK_LBUTTON:
+ case WXK_RBUTTON:
+ case WXK_CANCEL:
+ case WXK_MBUTTON:
+ case WXK_CLEAR:
+ case WXK_SHIFT:
+ case WXK_ALT:
+ case WXK_CONTROL:
+ case WXK_MENU:
+ case WXK_PAUSE:
+ case WXK_CAPITAL:
+ case WXK_END:
+ case WXK_HOME:
+ case WXK_LEFT:
+ case WXK_UP:
+ case WXK_RIGHT:
+ case WXK_DOWN:
+ case WXK_SELECT:
+ case WXK_PRINT:
+ case WXK_EXECUTE:
+ case WXK_SNAPSHOT:
+ case WXK_INSERT:
+ case WXK_HELP:
+ case WXK_F1:
+ case WXK_F2:
+ case WXK_F3:
+ case WXK_F4:
+ case WXK_F5:
+ case WXK_F6:
+ case WXK_F7:
+ case WXK_F8:
+ case WXK_F9:
+ case WXK_F10:
+ case WXK_F11:
+ case WXK_F12:
+ case WXK_F13:
+ case WXK_F14:
+ case WXK_F15:
+ case WXK_F16:
+ case WXK_F17:
+ case WXK_F18:
+ case WXK_F19:
+ case WXK_F20:
+ case WXK_F21:
+ case WXK_F22:
+ case WXK_F23:
+ case WXK_F24:
+ case WXK_NUMLOCK:
+ case WXK_SCROLL:
+ case WXK_PAGEUP:
+ case WXK_PAGEDOWN:
+ case WXK_NUMPAD_F1:
+ case WXK_NUMPAD_F2:
+ case WXK_NUMPAD_F3:
+ case WXK_NUMPAD_F4:
+ case WXK_NUMPAD_HOME:
+ case WXK_NUMPAD_LEFT:
+ case WXK_NUMPAD_UP:
+ case WXK_NUMPAD_RIGHT:
+ case WXK_NUMPAD_DOWN:
+ case WXK_NUMPAD_PAGEUP:
+ case WXK_NUMPAD_PAGEDOWN:
+ case WXK_NUMPAD_END:
+ case WXK_NUMPAD_BEGIN:
+ case WXK_NUMPAD_INSERT:
+ case WXK_WINDOWS_LEFT:
+ {
+ return;
+ }
+ default:
+ {
+ }
+ }
+
+ // Must process this before translation, otherwise it's translated into a WXK_DELETE event.
+ if (event.CmdDown() && event.GetKeyCode() == WXK_BACK)
+ {
+ if (!ProcessBackKey(event, flags))
+ return;
+ }
else
- success = MoveToLineStart(flags);
+ event.Skip();
+
+ return;
}
- else if (keyCode == WXK_END)
+
+ // all the other keys modify the controls contents which shouldn't be
+ // possible if we're read-only
+ if ( !IsEditable() )
{
- if (flags & wxRICHTEXT_CTRL_DOWN)
- success = MoveEnd(flags);
- else
- success = MoveToLineEnd(flags);
+ event.Skip();
+ return;
}
- if (success)
+ if (event.GetKeyCode() == WXK_RETURN)
{
- ScrollIntoView(m_caretPosition, keyCode);
- SetDefaultStyleToCursorStyle();
- }
+ if (!CanInsertContent(* GetFocusObject(), m_caretPosition+1))
+ return;
- return success;
-}
+ long newPos = m_caretPosition;
-/// Extend the selection. Selections are in caret positions.
-bool wxRichTextCtrl::ExtendSelection(long oldPos, long newPos, int flags)
-{
- if (flags & wxRICHTEXT_SHIFT_DOWN)
- {
- // If not currently selecting, start selecting
- if (m_selectionRange.GetStart() == -2)
+ if (HasSelection() && !CanDeleteRange(* GetFocusObject(), GetSelectionRange()))
{
- m_selectionAnchor = oldPos;
+ return;
+ }
- if (oldPos > newPos)
- m_selectionRange.SetRange(newPos+1, oldPos);
- else
- m_selectionRange.SetRange(oldPos+1, newPos);
+ BeginBatchUndo(_("Insert Text"));
+
+ DeleteSelectedContent(& newPos);
+
+ if (event.ShiftDown())
+ {
+ wxString text;
+ text = wxRichTextLineBreakChar;
+ GetFocusObject()->InsertTextWithUndo(& GetBuffer(), newPos+1, text, this);
+ m_caretAtLineStart = true;
+ PositionCaret();
}
else
+ GetFocusObject()->InsertNewlineWithUndo(& GetBuffer(), newPos+1, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE|wxRICHTEXT_INSERT_INTERACTIVE);
+
+ // Automatically renumber list
+ bool isNumberedList = false;
+ wxRichTextRange numberedListRange = FindRangeForList(newPos+1, isNumberedList);
+ if (isNumberedList && numberedListRange != wxRichTextRange(-1, -1))
{
- // Always ensure that the selection range start is greater than
- // the end.
- if (newPos > m_selectionAnchor)
- m_selectionRange.SetRange(m_selectionAnchor+1, newPos);
- else
- m_selectionRange.SetRange(newPos+1, m_selectionAnchor);
+ NumberList(numberedListRange, NULL, wxRICHTEXT_SETSTYLE_RENUMBER|wxRICHTEXT_SETSTYLE_WITH_UNDO);
}
- if (m_selectionRange.GetStart() > m_selectionRange.GetEnd())
+ EndBatchUndo();
+ SetDefaultStyleToCursorStyle();
+
+ ScrollIntoView(m_caretPosition, WXK_RIGHT);
+
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_RETURN,
+ GetId());
+ cmdEvent.SetEventObject(this);
+ cmdEvent.SetFlags(flags);
+ cmdEvent.SetPosition(newPos+1);
+ cmdEvent.SetContainer(GetFocusObject());
+
+ if (!GetEventHandler()->ProcessEvent(cmdEvent))
{
- wxLogDebug(wxT("Strange selection range"));
- }
+ // Generate conventional event
+ wxCommandEvent textEvent(wxEVT_TEXT_ENTER, GetId());
+ InitCommandEvent(textEvent);
- return true;
+ GetEventHandler()->ProcessEvent(textEvent);
+ }
+ Update();
}
- else
- return false;
-}
+ else if (event.GetKeyCode() == WXK_BACK)
+ {
+ ProcessBackKey(event, flags);
+ }
+ else if (event.GetKeyCode() == WXK_DELETE)
+ {
+ long newPos = m_caretPosition;
-/// Scroll into view, returning true if we scrolled.
-/// This takes a _caret_ position.
-bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
-{
- wxRichTextLine* line = GetVisibleLineForCaretPosition(position);
+ if (HasSelection() && !CanDeleteRange(* GetFocusObject(), GetSelectionRange()))
+ {
+ return;
+ }
- if (!line)
- return false;
+ BeginBatchUndo(_("Delete Text"));
- int ppuX, ppuY;
- GetScrollPixelsPerUnit(& ppuX, & ppuY);
+ bool processed = DeleteSelectedContent(& newPos);
- int startXUnits, startYUnits;
- GetViewStart(& startXUnits, & startYUnits);
- int startY = startYUnits * ppuY;
-
- int sx = 0, sy = 0;
- GetVirtualSize(& sx, & sy);
- int sxUnits = 0;
- int syUnits = 0;
- if (ppuY != 0)
- syUnits = sy/ppuY;
+ int deletions = 0;
+ if (processed)
+ deletions ++;
- wxRect rect = line->GetRect();
-
- bool scrolled = false;
-
- wxSize clientSize = GetClientSize();
-
- // Going down
- if (keyCode == WXK_DOWN || keyCode == WXK_RIGHT || keyCode == WXK_END || keyCode == WXK_PAGEDOWN)
- {
- if ((rect.y + rect.height) > (clientSize.y + startY))
+ // Submit range in character positions, which are greater than caret positions,
+ if (newPos < GetFocusObject()->GetOwnRange().GetEnd()+1)
{
- // Make it scroll so this item is at the bottom
- // of the window
- int y = rect.y - (clientSize.y - rect.height);
- int yUnits = (int) (0.5 + ((float) y)/(float) ppuY);
-
- // If we're still off the screen, scroll another line down
- if ((rect.y + rect.height) > (clientSize.y + (yUnits*ppuY)))
- yUnits ++;
+ if (event.CmdDown())
+ {
+ long pos = wxRichTextCtrl::FindNextWordPosition(1);
+ if (pos != -1 && (pos > newPos))
+ {
+ wxRichTextRange range(newPos+1, pos);
+ if (CanDeleteRange(* GetFocusObject(), range.FromInternal()))
+ {
+ GetFocusObject()->DeleteRangeWithUndo(range, this, & GetBuffer());
+ deletions ++;
+ }
+ processed = true;
+ }
+ }
- if (startYUnits != yUnits)
+ if (!processed && newPos < (GetLastPosition()-1))
{
- SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits);
- scrolled = true;
+ wxRichTextRange range(newPos+1, newPos+1);
+ if (CanDeleteRange(* GetFocusObject(), range.FromInternal()))
+ {
+ GetFocusObject()->DeleteRangeWithUndo(range, this, & GetBuffer());
+ deletions ++;
+ }
}
}
- else if (rect.y < startY)
+
+ EndBatchUndo();
+
+ if (GetLastPosition() == -1)
{
- // Make it scroll so this item is at the top
- // of the window
- int y = rect.y ;
- int yUnits = (int) (0.5 + ((float) y)/(float) ppuY);
+ GetFocusObject()->Reset();
- if (startYUnits != yUnits)
- {
- SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits);
- scrolled = true;
- }
+ m_caretPosition = -1;
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+ }
+
+ ScrollIntoView(m_caretPosition, WXK_LEFT);
+
+ // Always send this event; wxEVT_RICHTEXT_CONTENT_DELETED will be sent only if there is an actual deletion.
+ {
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_DELETE,
+ GetId());
+ cmdEvent.SetEventObject(this);
+ cmdEvent.SetFlags(flags);
+ cmdEvent.SetPosition(m_caretPosition+1);
+ cmdEvent.SetContainer(GetFocusObject());
+ GetEventHandler()->ProcessEvent(cmdEvent);
}
+
+ Update();
}
- // Going up
- else if (keyCode == WXK_UP || keyCode == WXK_LEFT || keyCode == WXK_HOME || keyCode == WXK_PAGEUP )
+ else
{
- if (rect.y < startY)
+ long keycode = event.GetKeyCode();
+ switch ( keycode )
{
- // Make it scroll so this item is at the top
- // of the window
- int y = rect.y ;
- int yUnits = (int) (0.5 + ((float) y)/(float) ppuY);
-
- if (startYUnits != yUnits)
+ case WXK_ESCAPE:
{
- SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits);
- scrolled = true;
+ event.Skip();
+ return;
}
- }
- else if ((rect.y + rect.height) > (clientSize.y + startY))
- {
- // Make it scroll so this item is at the bottom
- // of the window
- int y = rect.y - (clientSize.y - rect.height);
- int yUnits = (int) (0.5 + ((float) y)/(float) ppuY);
- // If we're still off the screen, scroll another line down
- if ((rect.y + rect.height) > (clientSize.y + (yUnits*ppuY)))
- yUnits ++;
-
- if (startYUnits != yUnits)
+ default:
{
- SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits);
- scrolled = true;
- }
- }
- }
- PositionCaret();
+#ifdef __WXMAC__
+ if (event.CmdDown())
+#else
+ // Fixes AltGr+key with European input languages on Windows
+ if ((event.CmdDown() && !event.AltDown()) || (event.AltDown() && !event.CmdDown()))
+#endif
+ {
+ event.Skip();
+ return;
+ }
- return scrolled;
-}
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_CHARACTER,
+ GetId());
+ cmdEvent.SetEventObject(this);
+ cmdEvent.SetFlags(flags);
+#if wxUSE_UNICODE
+ cmdEvent.SetCharacter(event.GetUnicodeKey());
+#else
+ cmdEvent.SetCharacter((wxChar) keycode);
+#endif
+ cmdEvent.SetPosition(m_caretPosition+1);
+ cmdEvent.SetContainer(GetFocusObject());
-/// Is the given position visible on the screen?
-bool wxRichTextCtrl::IsPositionVisible(long pos) const
-{
- wxRichTextLine* line = GetVisibleLineForCaretPosition(pos-1);
+ if (keycode == wxT('\t'))
+ {
+ // See if we need to promote or demote the selection or paragraph at the cursor
+ // position, instead of inserting a tab.
+ long pos = GetAdjustedCaretPosition(GetCaretPosition());
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphAtPosition(pos);
+ if (para && para->GetRange().GetStart() == pos && para->GetAttributes().HasListStyleName())
+ {
+ wxRichTextRange range;
+ if (HasSelection())
+ range = GetSelectionRange();
+ else
+ range = para->GetRange().FromInternal();
+
+ int promoteBy = event.ShiftDown() ? 1 : -1;
+
+ PromoteList(promoteBy, range, NULL);
+
+ GetEventHandler()->ProcessEvent(cmdEvent);
+
+ return;
+ }
+ }
- if (!line)
- return false;
+ if (!CanInsertContent(* GetFocusObject(), m_caretPosition+1))
+ return;
- int ppuX, ppuY;
- GetScrollPixelsPerUnit(& ppuX, & ppuY);
+ if (HasSelection() && !CanDeleteRange(* GetFocusObject(), GetSelectionRange()))
+ return;
- int startX, startY;
- GetViewStart(& startX, & startY);
- startX = 0;
- startY = startY * ppuY;
+ BeginBatchUndo(_("Insert Text"));
- int sx = 0, sy = 0;
- GetVirtualSize(& sx, & sy);
- sx = 0;
- if (ppuY != 0)
- sy = sy/ppuY;
+ long newPos = m_caretPosition;
+ DeleteSelectedContent(& newPos);
- wxRect rect = line->GetRect();
+#if wxUSE_UNICODE
+ wxString str = event.GetUnicodeKey();
+#else
+ wxString str = (wxChar) event.GetKeyCode();
+#endif
+ GetFocusObject()->InsertTextWithUndo(& GetBuffer(), newPos+1, str, this, 0);
- wxSize clientSize = GetClientSize();
+ EndBatchUndo();
+
+ SetDefaultStyleToCursorStyle();
+ ScrollIntoView(m_caretPosition, WXK_RIGHT);
+
+ cmdEvent.SetPosition(m_caretPosition);
+ GetEventHandler()->ProcessEvent(cmdEvent);
- return !(((rect.y + rect.height) > (clientSize.y + startY)) || rect.y < startY);
+ Update();
+ }
+ }
+ }
}
-void wxRichTextCtrl::SetCaretPosition(long position, bool showAtLineStart)
+bool wxRichTextCtrl::ProcessMouseMovement(wxRichTextParagraphLayoutBox* container, wxRichTextObject* WXUNUSED(obj), long position, const wxPoint& WXUNUSED(pos))
{
- m_caretPosition = position;
- m_caretAtLineStart = showAtLineStart;
+ wxRichTextAttr attr;
+ if (container && GetStyle(position, attr, container))
+ {
+ if (attr.HasFlag(wxTEXT_ATTR_URL))
+ {
+ SetCursor(m_urlCursor);
+ }
+ else if (!attr.HasFlag(wxTEXT_ATTR_URL))
+ {
+ SetCursor(m_textCursor);
+ }
+ return true;
+ }
+ else
+ return false;
}
-/// Move caret one visual step forward: this may mean setting a flag
-/// and keeping the same position if we're going from the end of one line
-/// to the start of the next, which may be the exact same caret position.
-void wxRichTextCtrl::MoveCaretForward(long oldPosition)
+// Processes the back key
+bool wxRichTextCtrl::ProcessBackKey(wxKeyEvent& event, int flags)
{
- wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(oldPosition);
+ if (!IsEditable())
+ {
+ return false;
+ }
- // Only do the check if we're not at the end of the paragraph (where things work OK
- // anyway)
- if (para && (oldPosition != para->GetRange().GetEnd() - 1))
+ if (HasSelection() && !CanDeleteRange(* GetFocusObject(), GetSelectionRange()))
{
- wxRichTextLine* line = GetBuffer().GetLineAtPosition(oldPosition);
+ return false;
+ }
- if (line)
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphAtPosition(m_caretPosition, true);
+
+ // If we're at the start of a list item with a bullet, let's 'delete' the bullet, i.e.
+ // make it a continuation paragraph.
+ if (!HasSelection() && para && ((m_caretPosition+1) == para->GetRange().GetStart()) &&
+ para->GetAttributes().HasBulletStyle() && (para->GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_CONTINUATION) == 0)
+ {
+ wxRichTextParagraph* newPara = wxDynamicCast(para->Clone(), wxRichTextParagraph);
+ newPara->GetAttributes().SetBulletStyle(newPara->GetAttributes().GetBulletStyle() | wxTEXT_ATTR_BULLET_STYLE_CONTINUATION);
+
+ wxRichTextAction* action = new wxRichTextAction(NULL, _("Remove Bullet"), wxRICHTEXT_CHANGE_STYLE, & GetBuffer(), GetFocusObject(), this);
+ action->SetRange(newPara->GetRange());
+ action->SetPosition(GetCaretPosition());
+ action->GetNewParagraphs().AppendChild(newPara);
+ // Also store the old ones for Undo
+ action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para));
+
+ GetBuffer().Invalidate(para->GetRange());
+ GetBuffer().SubmitAction(action);
+
+ // Automatically renumber list
+ bool isNumberedList = false;
+ wxRichTextRange numberedListRange = FindRangeForList(m_caretPosition, isNumberedList);
+ if (isNumberedList && numberedListRange != wxRichTextRange(-1, -1))
{
- wxRichTextRange lineRange = line->GetAbsoluteRange();
+ NumberList(numberedListRange, NULL, wxRICHTEXT_SETSTYLE_RENUMBER|wxRICHTEXT_SETSTYLE_WITH_UNDO);
+ }
- // We're at the end of a line. See whether we need to
- // stay at the same actual caret position but change visual
- // position, or not.
- if (oldPosition == lineRange.GetEnd())
+ Update();
+ }
+ else
+ {
+ BeginBatchUndo(_("Delete Text"));
+
+ long newPos = m_caretPosition;
+
+ bool processed = DeleteSelectedContent(& newPos);
+
+ int deletions = 0;
+ if (processed)
+ deletions ++;
+
+ // Submit range in character positions, which are greater than caret positions,
+ // so subtract 1 for deleted character and add 1 for conversion to character position.
+ if (newPos > -1)
+ {
+ if (event.CmdDown())
{
- if (m_caretAtLineStart)
+ long pos = wxRichTextCtrl::FindNextWordPosition(-1);
+ if (pos < newPos)
{
- // We're already at the start of the line, so actually move on now.
- m_caretPosition = oldPosition + 1;
- m_caretAtLineStart = false;
+ wxRichTextRange range(pos+1, newPos);
+ if (CanDeleteRange(* GetFocusObject(), range.FromInternal()))
+ {
+ GetFocusObject()->DeleteRangeWithUndo(range, this, & GetBuffer());
+ deletions ++;
+ }
+ processed = true;
}
- else
+ }
+
+ if (!processed)
+ {
+ wxRichTextRange range(newPos, newPos);
+ if (CanDeleteRange(* GetFocusObject(), range.FromInternal()))
{
- // We're showing at the end of the line, so keep to
- // the same position but indicate that we're to show
- // at the start of the next line.
- m_caretPosition = oldPosition;
- m_caretAtLineStart = true;
+ GetFocusObject()->DeleteRangeWithUndo(range, this, & GetBuffer());
+ deletions ++;
}
- SetDefaultStyleToCursorStyle();
- return;
}
}
+
+ EndBatchUndo();
+
+ if (GetLastPosition() == -1)
+ {
+ GetFocusObject()->Reset();
+
+ m_caretPosition = -1;
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+ }
+
+ ScrollIntoView(m_caretPosition, WXK_LEFT);
+
+ // Always send this event; wxEVT_RICHTEXT_CONTENT_DELETED will be sent only if there is an actual deletion.
+ {
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_DELETE,
+ GetId());
+ cmdEvent.SetEventObject(this);
+ cmdEvent.SetFlags(flags);
+ cmdEvent.SetPosition(m_caretPosition+1);
+ cmdEvent.SetContainer(GetFocusObject());
+ GetEventHandler()->ProcessEvent(cmdEvent);
+ }
+
+ Update();
}
- m_caretPosition ++;
- SetDefaultStyleToCursorStyle();
+
+ return true;
}
-/// Move caret one visual step backward: this may mean setting a flag
-/// and keeping the same position if we're going from the end of one line
-/// to the start of the next, which may be the exact same caret position.
-void wxRichTextCtrl::MoveCaretBack(long oldPosition)
+/// Delete content if there is a selection, e.g. when pressing a key.
+bool wxRichTextCtrl::DeleteSelectedContent(long* newPos)
{
- wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(oldPosition);
-
- // Only do the check if we're not at the start of the paragraph (where things work OK
- // anyway)
- if (para && (oldPosition != para->GetRange().GetStart()))
+ if (HasSelection())
{
- wxRichTextLine* line = GetBuffer().GetLineAtPosition(oldPosition);
+ long pos = m_selection.GetRange().GetStart();
+ wxRichTextRange range = m_selection.GetRange();
- if (line)
- {
- wxRichTextRange lineRange = line->GetAbsoluteRange();
+ // SelectAll causes more to be selected than doing it interactively,
+ // and causes a new paragraph to be inserted. So for multiline buffers,
+ // don't delete the final position.
+ if (range.GetEnd() == GetLastPosition() && GetNumberOfLines() > 0)
+ range.SetEnd(range.GetEnd()-1);
- // We're at the start of a line. See whether we need to
- // stay at the same actual caret position but change visual
- // position, or not.
- if (oldPosition == lineRange.GetStart())
- {
- m_caretPosition = oldPosition-1;
- m_caretAtLineStart = true;
- return;
- }
- else if (oldPosition == lineRange.GetEnd())
- {
- if (m_caretAtLineStart)
- {
- // We're at the start of the line, so keep the same caret position
- // but clear the start-of-line flag.
- m_caretPosition = oldPosition;
- m_caretAtLineStart = false;
- }
- else
- {
- // We're showing at the end of the line, so go back
- // to the previous character position.
- m_caretPosition = oldPosition - 1;
- }
- SetDefaultStyleToCursorStyle();
- return;
- }
- }
+ GetFocusObject()->DeleteRangeWithUndo(range, this, & GetBuffer());
+ m_selection.Reset();
+ m_selectionState = wxRichTextCtrlSelectionState_Normal;
+
+ if (newPos)
+ *newPos = pos-1;
+ return true;
+ }
+ else
+ return false;
+}
+
+/// Keyboard navigation
+
+/*
+
+Left: left one character
+Right: right one character
+Up: up one line
+Down: down one line
+Ctrl-Left: left one word
+Ctrl-Right: right one word
+Ctrl-Up: previous paragraph start
+Ctrl-Down: next start of paragraph
+Home: start of line
+End: end of line
+Ctrl-Home: start of document
+Ctrl-End: end of document
+Page-Up: Up a screen
+Page-Down: Down a screen
+
+Maybe:
+
+Ctrl-Alt-PgUp: Start of window
+Ctrl-Alt-PgDn: End of window
+F8: Start selection mode
+Esc: End selection mode
+
+Adding Shift does the above but starts/extends selection.
+
+
+ */
+
+bool wxRichTextCtrl::KeyboardNavigate(int keyCode, int flags)
+{
+ bool success = false;
+
+ if (keyCode == WXK_RIGHT || keyCode == WXK_NUMPAD_RIGHT)
+ {
+ if (flags & wxRICHTEXT_CTRL_DOWN)
+ success = WordRight(1, flags);
+ else
+ success = MoveRight(1, flags);
+ }
+ else if (keyCode == WXK_LEFT || keyCode == WXK_NUMPAD_LEFT)
+ {
+ if (flags & wxRICHTEXT_CTRL_DOWN)
+ success = WordLeft(1, flags);
+ else
+ success = MoveLeft(1, flags);
+ }
+ else if (keyCode == WXK_UP || keyCode == WXK_NUMPAD_UP)
+ {
+ if (flags & wxRICHTEXT_CTRL_DOWN)
+ success = MoveToParagraphStart(flags);
+ else
+ success = MoveUp(1, flags);
+ }
+ else if (keyCode == WXK_DOWN || keyCode == WXK_NUMPAD_DOWN)
+ {
+ if (flags & wxRICHTEXT_CTRL_DOWN)
+ success = MoveToParagraphEnd(flags);
+ else
+ success = MoveDown(1, flags);
+ }
+ else if (keyCode == WXK_PAGEUP || keyCode == WXK_NUMPAD_PAGEUP)
+ {
+ success = PageUp(1, flags);
+ }
+ else if (keyCode == WXK_PAGEDOWN || keyCode == WXK_NUMPAD_PAGEDOWN)
+ {
+ success = PageDown(1, flags);
+ }
+ else if (keyCode == WXK_HOME || keyCode == WXK_NUMPAD_HOME)
+ {
+ if (flags & wxRICHTEXT_CTRL_DOWN)
+ success = MoveHome(flags);
+ else
+ success = MoveToLineStart(flags);
+ }
+ else if (keyCode == WXK_END || keyCode == WXK_NUMPAD_END)
+ {
+ if (flags & wxRICHTEXT_CTRL_DOWN)
+ success = MoveEnd(flags);
+ else
+ success = MoveToLineEnd(flags);
+ }
+
+ if (success)
+ {
+ ScrollIntoView(m_caretPosition, keyCode);
+ SetDefaultStyleToCursorStyle();
+ }
+
+ return success;
+}
+
+/// Extend the selection. Selections are in caret positions.
+bool wxRichTextCtrl::ExtendSelection(long oldPos, long newPos, int flags)
+{
+ if (flags & wxRICHTEXT_SHIFT_DOWN)
+ {
+ if (oldPos == newPos)
+ return false;
+
+ wxRichTextSelection oldSelection = m_selection;
+
+ m_selection.SetContainer(GetFocusObject());
+
+ wxRichTextRange oldRange;
+ if (m_selection.IsValid())
+ oldRange = m_selection.GetRange();
+ else
+ oldRange = wxRICHTEXT_NO_SELECTION;
+ wxRichTextRange newRange;
+
+ // If not currently selecting, start selecting
+ if (oldRange.GetStart() == -2)
+ {
+ m_selectionAnchor = oldPos;
+
+ if (oldPos > newPos)
+ newRange.SetRange(newPos+1, oldPos);
+ else
+ newRange.SetRange(oldPos+1, newPos);
+ }
+ else
+ {
+ // Always ensure that the selection range start is greater than
+ // the end.
+ if (newPos > m_selectionAnchor)
+ newRange.SetRange(m_selectionAnchor+1, newPos);
+ else if (newPos == m_selectionAnchor)
+ newRange = wxRichTextRange(-2, -2);
+ else
+ newRange.SetRange(newPos+1, m_selectionAnchor);
+ }
+
+ m_selection.SetRange(newRange);
+
+ RefreshForSelectionChange(oldSelection, m_selection);
+
+ if (newRange.GetStart() > newRange.GetEnd())
+ {
+ wxLogDebug(wxT("Strange selection range"));
+ }
+
+ return true;
+ }
+ else
+ return false;
+}
+
+/// Scroll into view, returning true if we scrolled.
+/// This takes a _caret_ position.
+bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
+{
+ wxRichTextLine* line = GetVisibleLineForCaretPosition(position);
+
+ if (!line)
+ return false;
+
+ int ppuX, ppuY;
+ GetScrollPixelsPerUnit(& ppuX, & ppuY);
+
+ int startXUnits, startYUnits;
+ GetViewStart(& startXUnits, & startYUnits);
+ int startY = startYUnits * ppuY;
+
+ int sx = 0, sy = 0;
+ GetVirtualSize(& sx, & sy);
+ int sxUnits = 0;
+ int syUnits = 0;
+ if (ppuY != 0)
+ syUnits = sy/ppuY;
+
+ wxRect rect = GetScaledRect(line->GetRect());
+
+ bool scrolled = false;
+
+ wxSize clientSize = GetClientSize();
+
+ int leftMargin, rightMargin, topMargin, bottomMargin;
+
+ {
+ wxClientDC dc(this);
+ wxRichTextObject::GetTotalMargin(dc, & GetBuffer(), GetBuffer().GetAttributes(), leftMargin, rightMargin,
+ topMargin, bottomMargin);
+ }
+ clientSize.y -= (int) (0.5 + bottomMargin * GetScale());
+
+ if (GetWindowStyle() & wxRE_CENTRE_CARET)
+ {
+ int y = rect.y - GetClientSize().y/2;
+ int yUnits = (int) (0.5 + ((float) y)/(float) ppuY);
+ if (y >= 0 && (y + clientSize.y) < (int) (0.5 + GetBuffer().GetCachedSize().y * GetScale()))
+ {
+ if (startYUnits != yUnits)
+ {
+ SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits);
+ scrolled = true;
+ }
+#if !wxRICHTEXT_USE_OWN_CARET
+ if (scrolled)
+#endif
+ PositionCaret();
+
+ return scrolled;
+ }
+ }
+
+ // Going down
+ if (keyCode == WXK_DOWN || keyCode == WXK_NUMPAD_DOWN ||
+ keyCode == WXK_RIGHT || keyCode == WXK_NUMPAD_RIGHT ||
+ keyCode == WXK_END || keyCode == WXK_NUMPAD_END ||
+ keyCode == WXK_PAGEDOWN || keyCode == WXK_NUMPAD_PAGEDOWN)
+ {
+ if ((rect.y + rect.height) > (clientSize.y + startY))
+ {
+ // Make it scroll so this item is at the bottom
+ // of the window
+ int y = rect.y - (clientSize.y - rect.height);
+ int yUnits = (int) (0.5 + ((float) y)/(float) ppuY);
+
+ // If we're still off the screen, scroll another line down
+ if ((rect.y + rect.height) > (clientSize.y + (yUnits*ppuY)))
+ yUnits ++;
+
+ if (startYUnits != yUnits)
+ {
+ SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits);
+ scrolled = true;
+ }
+ }
+ else if (rect.y < (startY + (int) (0.5 + GetBuffer().GetTopMargin() * GetScale())))
+ {
+ // Make it scroll so this item is at the top
+ // of the window
+ int y = rect.y - (int) (0.5 + GetBuffer().GetTopMargin() * GetScale());
+ int yUnits = (int) (0.5 + ((float) y)/(float) ppuY);
+
+ if (startYUnits != yUnits)
+ {
+ SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits);
+ scrolled = true;
+ }
+ }
+ }
+ // Going up
+ else if (keyCode == WXK_UP || keyCode == WXK_NUMPAD_UP ||
+ keyCode == WXK_LEFT || keyCode == WXK_NUMPAD_LEFT ||
+ keyCode == WXK_HOME || keyCode == WXK_NUMPAD_HOME ||
+ keyCode == WXK_PAGEUP || keyCode == WXK_NUMPAD_PAGEUP )
+ {
+ if (rect.y < (startY + (int) (0.5 + GetBuffer().GetBottomMargin() * GetScale())))
+ {
+ // Make it scroll so this item is at the top
+ // of the window
+ int y = rect.y - (int) (0.5 + GetBuffer().GetTopMargin() * GetScale());
+ int yUnits = (int) (0.5 + ((float) y)/(float) ppuY);
+
+ if (startYUnits != yUnits)
+ {
+ SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits);
+ scrolled = true;
+ }
+ }
+ else if ((rect.y + rect.height) > (clientSize.y + startY))
+ {
+ // Make it scroll so this item is at the bottom
+ // of the window
+ int y = rect.y - (clientSize.y - rect.height);
+ int yUnits = (int) (0.5 + ((float) y)/(float) ppuY);
+
+ // If we're still off the screen, scroll another line down
+ if ((rect.y + rect.height) > (clientSize.y + (yUnits*ppuY)))
+ yUnits ++;
+
+ if (startYUnits != yUnits)
+ {
+ SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits);
+ scrolled = true;
+ }
+ }
+ }
+
+#if !wxRICHTEXT_USE_OWN_CARET
+ if (scrolled)
+#endif
+ PositionCaret();
+
+ return scrolled;
+}
+
+/// Is the given position visible on the screen?
+bool wxRichTextCtrl::IsPositionVisible(long pos) const
+{
+ wxRichTextLine* line = GetVisibleLineForCaretPosition(pos-1);
+
+ if (!line)
+ return false;
+
+ int ppuX, ppuY;
+ GetScrollPixelsPerUnit(& ppuX, & ppuY);
+
+ int startX, startY;
+ GetViewStart(& startX, & startY);
+ startX = 0;
+ startY = startY * ppuY;
+
+ wxRect rect = GetScaledRect(line->GetRect());
+ wxSize clientSize = GetClientSize();
+ clientSize.y -= (int) (0.5 + GetBuffer().GetBottomMargin() * GetScale());
+
+ return (rect.GetTop() >= (startY + (int) (0.5 + GetBuffer().GetTopMargin() * GetScale()))) &&
+ (rect.GetBottom() <= (startY + clientSize.y));
+}
+
+void wxRichTextCtrl::SetCaretPosition(long position, bool showAtLineStart)
+{
+ m_caretPosition = position;
+ m_caretAtLineStart = showAtLineStart;
+}
+
+/// Move caret one visual step forward: this may mean setting a flag
+/// and keeping the same position if we're going from the end of one line
+/// to the start of the next, which may be the exact same caret position.
+void wxRichTextCtrl::MoveCaretForward(long oldPosition)
+{
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphAtPosition(oldPosition);
+
+ // Only do the check if we're not at the end of the paragraph (where things work OK
+ // anyway)
+ if (para && (oldPosition != para->GetRange().GetEnd() - 1))
+ {
+ wxRichTextLine* line = GetFocusObject()->GetLineAtPosition(oldPosition);
+
+ if (line)
+ {
+ wxRichTextRange lineRange = line->GetAbsoluteRange();
+
+ // We're at the end of a line. See whether we need to
+ // stay at the same actual caret position but change visual
+ // position, or not.
+ if (oldPosition == lineRange.GetEnd())
+ {
+ if (m_caretAtLineStart)
+ {
+ // We're already at the start of the line, so actually move on now.
+ m_caretPosition = oldPosition + 1;
+ m_caretAtLineStart = false;
+ }
+ else
+ {
+ // We're showing at the end of the line, so keep to
+ // the same position but indicate that we're to show
+ // at the start of the next line.
+ m_caretPosition = oldPosition;
+ m_caretAtLineStart = true;
+ }
+ SetDefaultStyleToCursorStyle();
+ return;
+ }
+ }
+ }
+ m_caretPosition ++;
+ SetDefaultStyleToCursorStyle();
+}
+
+/// Move caret one visual step backward: this may mean setting a flag
+/// and keeping the same position if we're going from the end of one line
+/// to the start of the next, which may be the exact same caret position.
+void wxRichTextCtrl::MoveCaretBack(long oldPosition)
+{
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphAtPosition(oldPosition);
+
+ // Only do the check if we're not at the start of the paragraph (where things work OK
+ // anyway)
+ if (para && (oldPosition != para->GetRange().GetStart()))
+ {
+ wxRichTextLine* line = GetFocusObject()->GetLineAtPosition(oldPosition);
+
+ if (line)
+ {
+ wxRichTextRange lineRange = line->GetAbsoluteRange();
+
+ // We're at the start of a line. See whether we need to
+ // stay at the same actual caret position but change visual
+ // position, or not.
+ if (oldPosition == lineRange.GetStart())
+ {
+ m_caretPosition = oldPosition-1;
+ m_caretAtLineStart = true;
+ return;
+ }
+ else if (oldPosition == lineRange.GetEnd())
+ {
+ if (m_caretAtLineStart)
+ {
+ // We're at the start of the line, so keep the same caret position
+ // but clear the start-of-line flag.
+ m_caretPosition = oldPosition;
+ m_caretAtLineStart = false;
+ }
+ else
+ {
+ // We're showing at the end of the line, so go back
+ // to the previous character position.
+ m_caretPosition = oldPosition - 1;
+ }
+ SetDefaultStyleToCursorStyle();
+ return;
+ }
+ }
+ }
+ m_caretPosition --;
+ SetDefaultStyleToCursorStyle();
+}
+
+/// Move right
+bool wxRichTextCtrl::MoveRight(int noPositions, int flags)
+{
+ long endPos = GetFocusObject()->GetOwnRange().GetEnd();
+
+ if (m_caretPosition + noPositions < endPos)
+ {
+ long oldPos = m_caretPosition;
+ long newPos = m_caretPosition + noPositions;
+
+ bool extendSel = ExtendSelection(m_caretPosition, newPos, flags);
+ if (!extendSel)
+ SelectNone();
+
+ // Determine by looking at oldPos and m_caretPosition whether
+ // we moved from the end of a line to the start of the next line, in which case
+ // we want to adjust the caret position such that it is positioned at the
+ // start of the next line, rather than jumping past the first character of the
+ // line.
+ if (noPositions == 1)
+ MoveCaretForward(oldPos);
+ else
+ SetCaretPosition(newPos);
+
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+
+ return true;
+ }
+ else
+ return false;
+}
+
+/// Move left
+bool wxRichTextCtrl::MoveLeft(int noPositions, int flags)
+{
+ long startPos = -1;
+
+ if (m_caretPosition > startPos - noPositions + 1)
+ {
+ long oldPos = m_caretPosition;
+ long newPos = m_caretPosition - noPositions;
+ bool extendSel = ExtendSelection(m_caretPosition, newPos, flags);
+ if (!extendSel)
+ SelectNone();
+
+ if (noPositions == 1)
+ MoveCaretBack(oldPos);
+ else
+ SetCaretPosition(newPos);
+
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+
+ return true;
+ }
+ else
+ return false;
+}
+
+// Find the caret position for the combination of hit-test flags and character position.
+// Returns the caret position and also an indication of where to place the caret (caretLineStart)
+// since this is ambiguous (same position used for end of line and start of next).
+long wxRichTextCtrl::FindCaretPositionForCharacterPosition(long position, int hitTestFlags, wxRichTextParagraphLayoutBox* container,
+ bool& caretLineStart)
+{
+ // If end of previous line, and hitTest is wxRICHTEXT_HITTEST_BEFORE,
+ // we want to be at the end of the last line but with m_caretAtLineStart set to true,
+ // so we view the caret at the start of the line.
+ caretLineStart = false;
+ long caretPosition = position;
+
+ if (hitTestFlags & wxRICHTEXT_HITTEST_BEFORE)
+ {
+ wxRichTextLine* thisLine = container->GetLineAtPosition(position-1);
+ wxRichTextRange lineRange;
+ if (thisLine)
+ lineRange = thisLine->GetAbsoluteRange();
+
+ if (thisLine && (position-1) == lineRange.GetEnd())
+ {
+ caretPosition --;
+ caretLineStart = true;
+ }
+ else
+ {
+ wxRichTextParagraph* para = container->GetParagraphAtPosition(position);
+ if (para && para->GetRange().GetStart() == position)
+ caretPosition --;
+ }
+ }
+ return caretPosition;
+}
+
+/// Move up
+bool wxRichTextCtrl::MoveUp(int noLines, int flags)
+{
+ return MoveDown(- noLines, flags);
+}
+
+/// Move up
+bool wxRichTextCtrl::MoveDown(int noLines, int flags)
+{
+ if (!GetCaret())
+ return false;
+
+ long lineNumber = GetFocusObject()->GetVisibleLineNumber(m_caretPosition, true, m_caretAtLineStart);
+ wxPoint pt = GetCaret()->GetPosition();
+ long newLine = lineNumber + noLines;
+ bool notInThisObject = false;
+
+ if (lineNumber != -1)
+ {
+ if (noLines > 0)
+ {
+ long lastLine = GetFocusObject()->GetVisibleLineNumber(GetFocusObject()->GetOwnRange().GetEnd());
+ if (newLine > lastLine)
+ notInThisObject = true;
+ }
+ else
+ {
+ if (newLine < 0)
+ notInThisObject = true;
+ }
+ }
+
+ wxRichTextParagraphLayoutBox* container = GetFocusObject();
+ int hitTestFlags = wxRICHTEXT_HITTEST_NO_NESTED_OBJECTS|wxRICHTEXT_HITTEST_NO_FLOATING_OBJECTS|wxRICHTEXT_HITTEST_HONOUR_ATOMIC;
+
+ bool lineIsEmpty = false;
+ if (notInThisObject)
+ {
+ // If we know we're navigating out of the current object,
+ // try to find an object anywhere in the buffer at the new position (up or down a bit)
+ container = & GetBuffer();
+ hitTestFlags &= ~wxRICHTEXT_HITTEST_NO_NESTED_OBJECTS;
+
+ if (noLines > 0) // going down
+ {
+ pt.y = GetFocusObject()->GetPosition().y + GetFocusObject()->GetCachedSize().y + 2;
+ }
+ else // going up
+ {
+ pt.y = GetFocusObject()->GetPosition().y - 2;
+ }
+ }
+ else
+ {
+ wxRichTextLine* lineObj = GetFocusObject()->GetLineForVisibleLineNumber(newLine);
+ if (lineObj)
+ {
+ pt.y = lineObj->GetAbsolutePosition().y + 2;
+ if (lineObj->GetRange().GetStart() == lineObj->GetRange().GetEnd())
+ lineIsEmpty = true;
+ }
+ else
+ return false;
+ }
+
+ long newPos = 0;
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ dc.SetFont(GetFont());
+
+ wxRichTextObject* hitObj = NULL;
+ wxRichTextObject* contextObj = NULL;
+ wxRichTextDrawingContext context(& GetBuffer());
+ int hitTest = container->HitTest(dc, context, pt, newPos, & hitObj, & contextObj, hitTestFlags);
+
+ if (hitObj &&
+ ((hitTest & wxRICHTEXT_HITTEST_NONE) == 0) &&
+ (! (hitObj == (& m_buffer) && ((hitTest & wxRICHTEXT_HITTEST_OUTSIDE) != 0))) // outside the buffer counts as 'do nothing'
+ )
+ {
+ if (notInThisObject)
+ {
+ wxRichTextParagraphLayoutBox* actualContainer = wxDynamicCast(contextObj, wxRichTextParagraphLayoutBox);
+ if (actualContainer && actualContainer != GetFocusObject() && actualContainer->AcceptsFocus())
+ {
+ SetFocusObject(actualContainer, false /* don't set caret position yet */);
+
+ container = actualContainer;
+ }
+ }
+
+ bool caretLineStart = true;
+
+ // If the line is empty, there is only one possible position for the caret,
+ // so force the 'before' state so FindCaretPositionForCharacterPosition doesn't
+ // just return the same position.
+ if (lineIsEmpty)
+ {
+ hitTest &= ~wxRICHTEXT_HITTEST_AFTER;
+ hitTest |= wxRICHTEXT_HITTEST_BEFORE;
+ }
+ long caretPosition = FindCaretPositionForCharacterPosition(newPos, hitTest, container, caretLineStart);
+ long newSelEnd = caretPosition;
+ bool extendSel;
+
+ if (notInThisObject)
+ extendSel = false;
+ else
+ extendSel = ExtendSelection(m_caretPosition, newSelEnd, flags);
+
+ if (!extendSel)
+ SelectNone();
+
+ SetCaretPosition(caretPosition, caretLineStart);
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+
+ return true;
+ }
+
+ return false;
+}
+
+/// Move to the end of the paragraph
+bool wxRichTextCtrl::MoveToParagraphEnd(int flags)
+{
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphAtPosition(m_caretPosition, true);
+ if (para)
+ {
+ long newPos = para->GetRange().GetEnd() - 1;
+ bool extendSel = ExtendSelection(m_caretPosition, newPos, flags);
+ if (!extendSel)
+ SelectNone();
+
+ SetCaretPosition(newPos);
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+
+ return true;
+ }
+
+ return false;
+}
+
+/// Move to the start of the paragraph
+bool wxRichTextCtrl::MoveToParagraphStart(int flags)
+{
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphAtPosition(m_caretPosition, true);
+ if (para)
+ {
+ long newPos = para->GetRange().GetStart() - 1;
+ bool extendSel = ExtendSelection(m_caretPosition, newPos, flags);
+ if (!extendSel)
+ SelectNone();
+
+ SetCaretPosition(newPos, true);
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+
+ return true;
+ }
+
+ return false;
+}
+
+/// Move to the end of the line
+bool wxRichTextCtrl::MoveToLineEnd(int flags)
+{
+ wxRichTextLine* line = GetVisibleLineForCaretPosition(m_caretPosition);
+
+ if (line)
+ {
+ wxRichTextRange lineRange = line->GetAbsoluteRange();
+ long newPos = lineRange.GetEnd();
+ bool extendSel = ExtendSelection(m_caretPosition, newPos, flags);
+ if (!extendSel)
+ SelectNone();
+
+ SetCaretPosition(newPos);
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+
+ return true;
+ }
+
+ return false;
+}
+
+/// Move to the start of the line
+bool wxRichTextCtrl::MoveToLineStart(int flags)
+{
+ wxRichTextLine* line = GetVisibleLineForCaretPosition(m_caretPosition);
+ if (line)
+ {
+ wxRichTextRange lineRange = line->GetAbsoluteRange();
+ long newPos = lineRange.GetStart()-1;
+
+ bool extendSel = ExtendSelection(m_caretPosition, newPos, flags);
+ if (!extendSel)
+ SelectNone();
+
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphForLine(line);
+
+ SetCaretPosition(newPos, para->GetRange().GetStart() != lineRange.GetStart());
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+
+ return true;
+ }
+
+ return false;
+}
+
+/// Move to the start of the buffer
+bool wxRichTextCtrl::MoveHome(int flags)
+{
+ if (m_caretPosition != -1)
+ {
+ bool extendSel = ExtendSelection(m_caretPosition, -1, flags);
+ if (!extendSel)
+ SelectNone();
+
+ SetCaretPosition(-1);
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+
+ return true;
+ }
+ else
+ return false;
+}
+
+/// Move to the end of the buffer
+bool wxRichTextCtrl::MoveEnd(int flags)
+{
+ long endPos = GetFocusObject()->GetOwnRange().GetEnd()-1;
+
+ if (m_caretPosition != endPos)
+ {
+ bool extendSel = ExtendSelection(m_caretPosition, endPos, flags);
+ if (!extendSel)
+ SelectNone();
+
+ SetCaretPosition(endPos);
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+
+ return true;
+ }
+ else
+ return false;
+}
+
+/// Move noPages pages up
+bool wxRichTextCtrl::PageUp(int noPages, int flags)
+{
+ return PageDown(- noPages, flags);
+}
+
+/// Move noPages pages down
+bool wxRichTextCtrl::PageDown(int noPages, int flags)
+{
+ // Calculate which line occurs noPages * screen height further down.
+ wxRichTextLine* line = GetVisibleLineForCaretPosition(m_caretPosition);
+ if (line)
+ {
+ wxSize clientSize = GetClientSize();
+ int newY = line->GetAbsolutePosition().y + noPages*clientSize.y;
+
+ wxRichTextLine* newLine = GetFocusObject()->GetLineAtYPosition(newY);
+ if (newLine)
+ {
+ wxRichTextRange lineRange = newLine->GetAbsoluteRange();
+ long pos = lineRange.GetStart()-1;
+ if (pos != m_caretPosition)
+ {
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphForLine(newLine);
+
+ bool extendSel = ExtendSelection(m_caretPosition, pos, flags);
+ if (!extendSel)
+ SelectNone();
+
+ SetCaretPosition(pos, para->GetRange().GetStart() != lineRange.GetStart());
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+
+ return true;
+ }
+ }
+ }
+
+ return false;
+}
+
+static bool wxRichTextCtrlIsWhitespace(const wxString& str)
+{
+ return str == wxT(" ") || str == wxT("\t") || (!str.empty() && (str[0] == (wxChar) 160));
+}
+
+// Finds the caret position for the next word
+long wxRichTextCtrl::FindNextWordPosition(int direction) const
+{
+ long endPos = GetFocusObject()->GetOwnRange().GetEnd();
+
+ if (direction > 0)
+ {
+ long i = m_caretPosition+1+direction; // +1 for conversion to character pos
+
+ // First skip current text to space
+ while (i < endPos && i > -1)
+ {
+ // i is in character, not caret positions
+ wxString text = GetFocusObject()->GetTextForRange(wxRichTextRange(i, i));
+ wxRichTextLine* line = GetFocusObject()->GetLineAtPosition(i, false);
+ if (line && (i == line->GetAbsoluteRange().GetEnd()))
+ {
+ break;
+ }
+ else if (!wxRichTextCtrlIsWhitespace(text) && !text.empty())
+ i += direction;
+ else
+ {
+ break;
+ }
+ }
+ while (i < endPos && i > -1)
+ {
+ // i is in character, not caret positions
+ wxString text = GetFocusObject()->GetTextForRange(wxRichTextRange(i, i));
+ wxRichTextLine* line = GetFocusObject()->GetLineAtPosition(i, false);
+ if (line && (i == line->GetAbsoluteRange().GetEnd()))
+ return wxMax(-1, i);
+
+ if (text.empty()) // End of paragraph, or maybe an image
+ return wxMax(-1, i - 1);
+ else if (wxRichTextCtrlIsWhitespace(text) || text.empty())
+ i += direction;
+ else
+ {
+ // Convert to caret position
+ return wxMax(-1, i - 1);
+ }
+ }
+ if (i >= endPos)
+ return endPos-1;
+ return i-1;
+ }
+ else
+ {
+ long i = m_caretPosition;
+
+ // First skip white space
+ while (i < endPos && i > -1)
+ {
+ // i is in character, not caret positions
+ wxString text = GetFocusObject()->GetTextForRange(wxRichTextRange(i, i));
+ wxRichTextLine* line = GetFocusObject()->GetLineAtPosition(i, false);
+
+ if (text.empty() || (line && (i == line->GetAbsoluteRange().GetStart()))) // End of paragraph, or maybe an image
+ break;
+ else if (wxRichTextCtrlIsWhitespace(text) || text.empty())
+ i += direction;
+ else
+ break;
+ }
+ // Next skip current text to space
+ while (i < endPos && i > -1)
+ {
+ // i is in character, not caret positions
+ wxString text = GetFocusObject()->GetTextForRange(wxRichTextRange(i, i));
+ wxRichTextLine* line = GetFocusObject()->GetLineAtPosition(i, false);
+ if (line && line->GetAbsoluteRange().GetStart() == i)
+ return i-1;
+
+ if (!wxRichTextCtrlIsWhitespace(text) /* && !text.empty() */)
+ i += direction;
+ else
+ {
+ return i;
+ }
+ }
+ if (i < -1)
+ return -1;
+ return i;
+ }
+}
+
+/// Move n words left
+bool wxRichTextCtrl::WordLeft(int WXUNUSED(n), int flags)
+{
+ long pos = FindNextWordPosition(-1);
+ if (pos != m_caretPosition)
+ {
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphAtPosition(pos, true);
+
+ bool extendSel = ExtendSelection(m_caretPosition, pos, flags);
+ if (!extendSel)
+ SelectNone();
+
+ SetCaretPosition(pos, para->GetRange().GetStart() != pos);
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+
+ return true;
+ }
+
+ return false;
+}
+
+/// Move n words right
+bool wxRichTextCtrl::WordRight(int WXUNUSED(n), int flags)
+{
+ long pos = FindNextWordPosition(1);
+ if (pos != m_caretPosition)
+ {
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphAtPosition(pos, true);
+
+ bool extendSel = ExtendSelection(m_caretPosition, pos, flags);
+ if (!extendSel)
+ SelectNone();
+
+ SetCaretPosition(pos, para->GetRange().GetStart() != pos);
+ PositionCaret();
+ SetDefaultStyleToCursorStyle();
+
+ return true;
+ }
+
+ return false;
+}
+
+/// Sizing
+void wxRichTextCtrl::OnSize(wxSizeEvent& event)
+{
+ // Only do sizing optimization for large buffers
+ if (GetBuffer().GetOwnRange().GetEnd() > m_delayedLayoutThreshold)
+ {
+ m_fullLayoutRequired = true;
+ m_fullLayoutTime = wxGetLocalTimeMillis();
+ m_fullLayoutSavedPosition = GetFirstVisiblePosition();
+ LayoutContent(true /* onlyVisibleRect */);
+ }
+ else
+ GetBuffer().Invalidate(wxRICHTEXT_ALL);
+
+#if wxRICHTEXT_BUFFERED_PAINTING
+ RecreateBuffer();
+#endif
+
+ event.Skip();
+}
+
+// Force any pending layout due to large buffer
+void wxRichTextCtrl::ForceDelayedLayout()
+{
+ if (m_fullLayoutRequired)
+ {
+ m_fullLayoutRequired = false;
+ m_fullLayoutTime = 0;
+ GetBuffer().Invalidate(wxRICHTEXT_ALL);
+ ShowPosition(m_fullLayoutSavedPosition);
+ Refresh(false);
+ Update();
+ }
+}
+
+/// Idle-time processing
+void wxRichTextCtrl::OnIdle(wxIdleEvent& event)
+{
+#if wxRICHTEXT_USE_OWN_CARET
+ if (((wxRichTextCaret*) GetCaret())->GetNeedsUpdate())
+ {
+ ((wxRichTextCaret*) GetCaret())->SetNeedsUpdate(false);
+ PositionCaret();
+ GetCaret()->Show();
+ }
+#endif
+
+ const int layoutInterval = wxRICHTEXT_DEFAULT_LAYOUT_INTERVAL;
+
+ if (m_fullLayoutRequired && (wxGetLocalTimeMillis() > (m_fullLayoutTime + layoutInterval)))
+ {
+ m_fullLayoutRequired = false;
+ m_fullLayoutTime = 0;
+ GetBuffer().Invalidate(wxRICHTEXT_ALL);
+ ShowPosition(m_fullLayoutSavedPosition);
+ Refresh(false);
+ }
+
+ if (m_caretPositionForDefaultStyle != -2)
+ {
+ // If the caret position has changed, no longer reflect the default style
+ // in the UI.
+ if (GetCaretPosition() != m_caretPositionForDefaultStyle)
+ m_caretPositionForDefaultStyle = -2;
+ }
+
+ event.Skip();
+}
+
+/// Scrolling
+void wxRichTextCtrl::OnScroll(wxScrollWinEvent& event)
+{
+#if wxRICHTEXT_USE_OWN_CARET
+ if (!((wxRichTextCaret*) GetCaret())->GetNeedsUpdate())
+ {
+ GetCaret()->Hide();
+ ((wxRichTextCaret*) GetCaret())->SetNeedsUpdate();
+ }
+#endif
+
+ event.Skip();
+}
+
+/// Set up scrollbars, e.g. after a resize
+void wxRichTextCtrl::SetupScrollbars(bool atTop)
+{
+ if (IsFrozen())
+ return;
+
+ if (GetBuffer().IsEmpty() || !m_verticalScrollbarEnabled)
+ {
+ SetScrollbars(0, 0, 0, 0, 0, 0);
+ return;
+ }
+
+ // TODO: reimplement scrolling so we scroll by line, not by fixed number
+ // of pixels. See e.g. wxVScrolledWindow for ideas.
+ int pixelsPerUnit = 5;
+ wxSize clientSize = GetClientSize();
+
+ int maxHeight = (int) (0.5 + GetScale() * (GetBuffer().GetCachedSize().y + GetBuffer().GetTopMargin()));
+
+ // Round up so we have at least maxHeight pixels
+ int unitsY = (int) (((float)maxHeight/(float)pixelsPerUnit) + 0.5);
+
+ int startX = 0, startY = 0;
+ if (!atTop)
+ GetViewStart(& startX, & startY);
+
+ int maxPositionX = 0;
+ int maxPositionY = (int) ((((float)(wxMax((unitsY*pixelsPerUnit) - clientSize.y, 0)))/((float)pixelsPerUnit)) + 0.5);
+
+ int newStartX = wxMin(maxPositionX, startX);
+ int newStartY = wxMin(maxPositionY, startY);
+
+ int oldPPUX, oldPPUY;
+ int oldStartX, oldStartY;
+ int oldVirtualSizeX = 0, oldVirtualSizeY = 0;
+ GetScrollPixelsPerUnit(& oldPPUX, & oldPPUY);
+ GetViewStart(& oldStartX, & oldStartY);
+ GetVirtualSize(& oldVirtualSizeX, & oldVirtualSizeY);
+ if (oldPPUY > 0)
+ oldVirtualSizeY /= oldPPUY;
+
+ if (oldPPUX == 0 && oldPPUY == pixelsPerUnit && oldVirtualSizeY == unitsY && oldStartX == newStartX && oldStartY == newStartY)
+ return;
+
+ // Don't set scrollbars if there were none before, and there will be none now.
+ if (oldPPUY != 0 && (oldVirtualSizeY*oldPPUY < clientSize.y) && (unitsY*pixelsPerUnit < clientSize.y))
+ return;
+
+ // Move to previous scroll position if
+ // possible
+ SetScrollbars(0, pixelsPerUnit, 0, unitsY, newStartX, newStartY);
+}
+
+/// Paint the background
+void wxRichTextCtrl::PaintBackground(wxDC& dc)
+{
+ wxColour backgroundColour = GetBackgroundColour();
+ if (!backgroundColour.IsOk())
+ backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
+
+ // Clear the background
+ dc.SetBrush(wxBrush(backgroundColour));
+ dc.SetPen(*wxTRANSPARENT_PEN);
+ wxRect windowRect(GetClientSize());
+ windowRect.x -= 2; windowRect.y -= 2;
+ windowRect.width += 4; windowRect.height += 4;
+
+ // We need to shift the rectangle to take into account
+ // scrolling. Converting device to logical coordinates.
+ CalcUnscrolledPosition(windowRect.x, windowRect.y, & windowRect.x, & windowRect.y);
+ dc.DrawRectangle(windowRect);
+}
+
+#if wxRICHTEXT_BUFFERED_PAINTING
+/// Recreate buffer bitmap if necessary
+bool wxRichTextCtrl::RecreateBuffer(const wxSize& size)
+{
+ wxSize sz = size;
+ if (sz == wxDefaultSize)
+ sz = GetClientSize();
+
+ if (sz.x < 1 || sz.y < 1)
+ return false;
+
+ if (!m_bufferBitmap.IsOk() || m_bufferBitmap.GetWidth() < sz.x || m_bufferBitmap.GetHeight() < sz.y)
+ m_bufferBitmap = wxBitmap(sz.x, sz.y);
+ return m_bufferBitmap.IsOk();
+}
+#endif
+
+// ----------------------------------------------------------------------------
+// file IO functions
+// ----------------------------------------------------------------------------
+
+bool wxRichTextCtrl::DoLoadFile(const wxString& filename, int fileType)
+{
+ SetFocusObject(& GetBuffer(), true);
+
+ bool success = GetBuffer().LoadFile(filename, (wxRichTextFileType)fileType);
+ if (success)
+ m_filename = filename;
+
+ DiscardEdits();
+ SetInsertionPoint(0);
+ LayoutContent();
+ PositionCaret();
+ SetupScrollbars(true);
+ Refresh(false);
+ wxTextCtrl::SendTextUpdatedEvent(this);
+
+ if (success)
+ return true;
+ else
+ {
+ wxLogError(_("File couldn't be loaded."));
+
+ return false;
+ }
+}
+
+bool wxRichTextCtrl::DoSaveFile(const wxString& filename, int fileType)
+{
+ if (GetBuffer().SaveFile(filename, (wxRichTextFileType)fileType))
+ {
+ m_filename = filename;
+
+ DiscardEdits();
+
+ return true;
+ }
+
+ wxLogError(_("The text couldn't be saved."));
+
+ return false;
+}
+
+// ----------------------------------------------------------------------------
+// wxRichTextCtrl specific functionality
+// ----------------------------------------------------------------------------
+
+/// Add a new paragraph of text to the end of the buffer
+wxRichTextRange wxRichTextCtrl::AddParagraph(const wxString& text)
+{
+ wxRichTextRange range = GetFocusObject()->AddParagraph(text);
+ GetBuffer().Invalidate();
+ LayoutContent();
+ return range;
+}
+
+/// Add an image
+wxRichTextRange wxRichTextCtrl::AddImage(const wxImage& image)
+{
+ wxRichTextRange range = GetFocusObject()->AddImage(image);
+ GetBuffer().Invalidate();
+ LayoutContent();
+ return range;
+}
+
+// ----------------------------------------------------------------------------
+// selection and ranges
+// ----------------------------------------------------------------------------
+
+/// Select none
+void wxRichTextCtrl::SelectNone()
+{
+ if (m_selection.IsValid())
+ {
+ wxRichTextSelection oldSelection = m_selection;
+
+ m_selection.Reset();
+
+ RefreshForSelectionChange(oldSelection, m_selection);
+ }
+ m_selectionAnchor = -2;
+ m_selectionAnchorObject = NULL;
+ m_selectionState = wxRichTextCtrlSelectionState_Normal;
+}
+
+static bool wxIsWordDelimiter(const wxString& text)
+{
+ return !text.IsEmpty() && !wxIsalnum(text[0]);
+}
+
+/// Select the word at the given character position
+bool wxRichTextCtrl::SelectWord(long position)
+{
+ if (position < 0 || position > GetFocusObject()->GetOwnRange().GetEnd())
+ return false;
+
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphAtPosition(position);
+ if (!para)
+ return false;
+
+ if (position == para->GetRange().GetEnd())
+ position --;
+
+ long positionStart = position;
+ long positionEnd = position;
+
+ for (positionStart = position; positionStart >= para->GetRange().GetStart(); positionStart --)
+ {
+ wxString text = GetFocusObject()->GetTextForRange(wxRichTextRange(positionStart, positionStart));
+ if (wxIsWordDelimiter(text))
+ {
+ positionStart ++;
+ break;
+ }
+ }
+ if (positionStart < para->GetRange().GetStart())
+ positionStart = para->GetRange().GetStart();
+
+ for (positionEnd = position; positionEnd < para->GetRange().GetEnd(); positionEnd ++)
+ {
+ wxString text = GetFocusObject()->GetTextForRange(wxRichTextRange(positionEnd, positionEnd));
+ if (wxIsWordDelimiter(text))
+ {
+ positionEnd --;
+ break;
+ }
+ }
+ if (positionEnd >= para->GetRange().GetEnd())
+ positionEnd = para->GetRange().GetEnd();
+
+ if (positionEnd < positionStart)
+ return false;
+
+ SetSelection(positionStart, positionEnd+1);
+
+ if (positionStart >= 0)
+ {
+ MoveCaret(positionStart-1, true);
+ SetDefaultStyleToCursorStyle();
+ }
+
+ return true;
+}
+
+wxString wxRichTextCtrl::GetStringSelection() const
+{
+ long from, to;
+ GetSelection(&from, &to);
+
+ return GetRange(from, to);
+}
+
+// ----------------------------------------------------------------------------
+// hit testing
+// ----------------------------------------------------------------------------
+
+wxTextCtrlHitTestResult
+wxRichTextCtrl::HitTest(const wxPoint& pt, wxTextCoord *x, wxTextCoord *y) const
+{
+ // implement in terms of the other overload as the native ports typically
+ // can get the position and not (x, y) pair directly (although wxUniv
+ // directly gets x and y -- and so overrides this method as well)
+ long pos;
+ wxTextCtrlHitTestResult rc = HitTest(pt, &pos);
+
+ if ( rc != wxTE_HT_UNKNOWN )
+ {
+ PositionToXY(pos, x, y);
+ }
+
+ return rc;
+}
+
+wxTextCtrlHitTestResult
+wxRichTextCtrl::HitTest(const wxPoint& pt,
+ long * pos) const
+{
+ wxClientDC dc((wxRichTextCtrl*) this);
+ ((wxRichTextCtrl*)this)->PrepareDC(dc);
+
+ // Buffer uses logical position (relative to start of buffer)
+ // so convert
+ wxPoint pt2 = GetLogicalPoint(pt);
+
+ wxRichTextObject* hitObj = NULL;
+ wxRichTextObject* contextObj = NULL;
+ wxRichTextDrawingContext context((wxRichTextBuffer*) & GetBuffer());
+ int hit = ((wxRichTextCtrl*)this)->GetFocusObject()->HitTest(dc, context, pt2, *pos, & hitObj, & contextObj, wxRICHTEXT_HITTEST_NO_NESTED_OBJECTS);
+
+ if ((hit & wxRICHTEXT_HITTEST_BEFORE) && (hit & wxRICHTEXT_HITTEST_OUTSIDE))
+ return wxTE_HT_BEFORE;
+ else if ((hit & wxRICHTEXT_HITTEST_AFTER) && (hit & wxRICHTEXT_HITTEST_OUTSIDE))
+ return wxTE_HT_BEYOND;
+ else if (hit & (wxRICHTEXT_HITTEST_BEFORE|wxRICHTEXT_HITTEST_AFTER))
+ return wxTE_HT_ON_TEXT;
+
+ return wxTE_HT_UNKNOWN;
+}
+
+wxRichTextParagraphLayoutBox*
+wxRichTextCtrl::FindContainerAtPoint(const wxPoint pt, long& position, int& hit, wxRichTextObject* hitObj, int flags/* = 0*/)
+{
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ dc.SetFont(GetFont());
+
+ wxPoint logicalPt = GetLogicalPoint(pt);
+
+ wxRichTextObject* contextObj = NULL;
+ wxRichTextDrawingContext context(& GetBuffer());
+ hit = GetBuffer().HitTest(dc, context, GetUnscaledPoint(logicalPt), position, &hitObj, &contextObj, flags);
+ wxRichTextParagraphLayoutBox* container = wxDynamicCast(contextObj, wxRichTextParagraphLayoutBox);
+
+ return container;
+}
+
+
+// ----------------------------------------------------------------------------
+// set/get the controls text
+// ----------------------------------------------------------------------------
+
+wxString wxRichTextCtrl::DoGetValue() const
+{
+ return GetBuffer().GetText();
+}
+
+wxString wxRichTextCtrl::GetRange(long from, long to) const
+{
+ // Public API for range is different from internals
+ return GetFocusObject()->GetTextForRange(wxRichTextRange(from, to-1));
+}
+
+void wxRichTextCtrl::DoSetValue(const wxString& value, int flags)
+{
+ // Don't call Clear here, since it always sends a text updated event
+ m_buffer.ResetAndClearCommands();
+ m_buffer.Invalidate(wxRICHTEXT_ALL);
+ m_caretPosition = -1;
+ m_caretPositionForDefaultStyle = -2;
+ m_caretAtLineStart = false;
+ m_selection.Reset();
+ m_selectionState = wxRichTextCtrlSelectionState_Normal;
+
+ Scroll(0,0);
+
+ if (!IsFrozen())
+ {
+ LayoutContent();
+ Refresh(false);
+ }
+
+ if (!value.IsEmpty())
+ {
+ // Remove empty paragraph
+ GetBuffer().Clear();
+ DoWriteText(value, flags);
+
+ // for compatibility, don't move the cursor when doing SetValue()
+ SetInsertionPoint(0);
+ }
+ else
+ {
+ // still send an event for consistency
+ if (flags & SetValue_SendEvent)
+ wxTextCtrl::SendTextUpdatedEvent(this);
}
- m_caretPosition --;
- SetDefaultStyleToCursorStyle();
+ DiscardEdits();
}
-/// Move right
-bool wxRichTextCtrl::MoveRight(int noPositions, int flags)
+void wxRichTextCtrl::WriteText(const wxString& value)
{
- long endPos = GetBuffer().GetRange().GetEnd();
+ DoWriteText(value);
+}
- if (m_caretPosition + noPositions < endPos)
- {
- long oldPos = m_caretPosition;
- long newPos = m_caretPosition + noPositions;
+void wxRichTextCtrl::DoWriteText(const wxString& value, int flags)
+{
+ wxString valueUnix = wxTextFile::Translate(value, wxTextFileType_Unix);
- bool extendSel = ExtendSelection(m_caretPosition, newPos, flags);
- if (!extendSel)
- SelectNone();
+ GetFocusObject()->InsertTextWithUndo(& GetBuffer(), m_caretPosition+1, valueUnix, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE);
+ wxRichTextDrawingContext context(& GetBuffer());
+ GetBuffer().Defragment(context);
- // Determine by looking at oldPos and m_caretPosition whether
- // we moved from the end of a line to the start of the next line, in which case
- // we want to adjust the caret position such that it is positioned at the
- // start of the next line, rather than jumping past the first character of the
- // line.
- if (noPositions == 1 && !extendSel)
- MoveCaretForward(oldPos);
- else
- SetCaretPosition(newPos);
+ if ( flags & SetValue_SendEvent )
+ wxTextCtrl::SendTextUpdatedEvent(this);
+}
- PositionCaret();
- SetDefaultStyleToCursorStyle();
+void wxRichTextCtrl::AppendText(const wxString& text)
+{
+ SetInsertionPointEnd();
- if (extendSel)
- Refresh(false);
- return true;
- }
- else
- return false;
+ WriteText(text);
}
-/// Move left
-bool wxRichTextCtrl::MoveLeft(int noPositions, int flags)
+/// Write an image at the current insertion point
+bool wxRichTextCtrl::WriteImage(const wxImage& image, wxBitmapType bitmapType, const wxRichTextAttr& textAttr)
{
- long startPos = -1;
+ wxRichTextImageBlock imageBlock;
- if (m_caretPosition > startPos - noPositions + 1)
- {
- long oldPos = m_caretPosition;
- long newPos = m_caretPosition - noPositions;
- bool extendSel = ExtendSelection(m_caretPosition, newPos, flags);
- if (!extendSel)
- SelectNone();
+ wxImage image2 = image;
+ if (imageBlock.MakeImageBlock(image2, bitmapType))
+ return WriteImage(imageBlock, textAttr);
- if (noPositions == 1 && !extendSel)
- MoveCaretBack(oldPos);
- else
- SetCaretPosition(newPos);
+ return false;
+}
- PositionCaret();
- SetDefaultStyleToCursorStyle();
+bool wxRichTextCtrl::WriteImage(const wxString& filename, wxBitmapType bitmapType, const wxRichTextAttr& textAttr)
+{
+ wxRichTextImageBlock imageBlock;
- if (extendSel)
- Refresh(false);
- return true;
- }
- else
- return false;
+ wxImage image;
+ if (imageBlock.MakeImageBlock(filename, bitmapType, image, false))
+ return WriteImage(imageBlock, textAttr);
+
+ return false;
}
-/// Move up
-bool wxRichTextCtrl::MoveUp(int noLines, int flags)
+bool wxRichTextCtrl::WriteImage(const wxRichTextImageBlock& imageBlock, const wxRichTextAttr& textAttr)
{
- return MoveDown(- noLines, flags);
+ return GetFocusObject()->InsertImageWithUndo(& GetBuffer(), m_caretPosition+1, imageBlock, this, 0, textAttr);
}
-/// Move up
-bool wxRichTextCtrl::MoveDown(int noLines, int flags)
+bool wxRichTextCtrl::WriteImage(const wxBitmap& bitmap, wxBitmapType bitmapType, const wxRichTextAttr& textAttr)
{
- if (!GetCaret())
- return false;
-
- long lineNumber = GetBuffer().GetVisibleLineNumber(m_caretPosition, true, m_caretAtLineStart);
- wxPoint pt = GetCaret()->GetPosition();
- long newLine = lineNumber + noLines;
-
- if (lineNumber != -1)
+ if (bitmap.IsOk())
{
- if (noLines > 0)
- {
- long lastLine = GetBuffer().GetVisibleLineNumber(GetBuffer().GetRange().GetEnd());
+ wxRichTextImageBlock imageBlock;
- if (newLine > lastLine)
- return false;
- }
- else
- {
- if (newLine < 0)
- return false;
- }
+ wxImage image = bitmap.ConvertToImage();
+ if (image.IsOk() && imageBlock.MakeImageBlock(image, bitmapType))
+ return WriteImage(imageBlock, textAttr);
}
- wxRichTextLine* lineObj = GetBuffer().GetLineForVisibleLineNumber(newLine);
- if (lineObj)
- {
- pt.y = lineObj->GetAbsolutePosition().y + 2;
- }
- else
- return false;
+ return false;
+}
- long newPos = 0;
- wxClientDC dc(this);
- PrepareDC(dc);
- dc.SetFont(GetFont());
+// Write a text box at the current insertion point.
+wxRichTextBox* wxRichTextCtrl::WriteTextBox(const wxRichTextAttr& textAttr)
+{
+ wxRichTextBox* textBox = new wxRichTextBox;
+ textBox->SetAttributes(textAttr);
+ textBox->SetParent(& GetBuffer()); // set parent temporarily for AddParagraph to use correct style
+ textBox->AddParagraph(wxEmptyString);
+ textBox->SetParent(NULL);
- int hitTest = GetBuffer().HitTest(dc, pt, newPos);
+ // The object returned is the one actually inserted into the buffer,
+ // while the original one is deleted.
+ wxRichTextObject* obj = GetFocusObject()->InsertObjectWithUndo(& GetBuffer(), m_caretPosition+1, textBox, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE);
+ wxRichTextBox* box = wxDynamicCast(obj, wxRichTextBox);
+ return box;
+}
- if (hitTest != wxRICHTEXT_HITTEST_NONE)
- {
- // If end of previous line, and hitTest is wxRICHTEXT_HITTEST_BEFORE,
- // we want to be at the end of the last line but with m_caretAtLineStart set to true,
- // so we view the caret at the start of the line.
- bool caretLineStart = false;
- if (hitTest == wxRICHTEXT_HITTEST_BEFORE)
- {
- wxRichTextLine* thisLine = GetBuffer().GetLineAtPosition(newPos-1);
- wxRichTextRange lineRange;
- if (thisLine)
- lineRange = thisLine->GetAbsoluteRange();
+wxRichTextField* wxRichTextCtrl::WriteField(const wxString& fieldType, const wxRichTextProperties& properties,
+ const wxRichTextAttr& textAttr)
+{
+ return GetFocusObject()->InsertFieldWithUndo(& GetBuffer(), m_caretPosition+1, fieldType, properties,
+ this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE, textAttr);
+}
- if (thisLine && (newPos-1) == lineRange.GetEnd())
- {
- newPos --;
- caretLineStart = true;
- }
- else
- {
- wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(newPos);
- if (para && para->GetRange().GetStart() == newPos)
- newPos --;
- }
- }
+// Write a table at the current insertion point, returning the table.
+wxRichTextTable* wxRichTextCtrl::WriteTable(int rows, int cols, const wxRichTextAttr& tableAttr, const wxRichTextAttr& cellAttr)
+{
+ wxASSERT(rows > 0 && cols > 0);
- long newSelEnd = newPos;
+ if (rows <= 0 || cols <= 0)
+ return NULL;
- bool extendSel = ExtendSelection(m_caretPosition, newSelEnd, flags);
- if (!extendSel)
- SelectNone();
+ wxRichTextTable* table = new wxRichTextTable;
+ table->SetAttributes(tableAttr);
+ table->SetParent(& GetBuffer()); // set parent temporarily for AddParagraph to use correct style
- SetCaretPosition(newPos, caretLineStart);
- PositionCaret();
- SetDefaultStyleToCursorStyle();
+ table->CreateTable(rows, cols);
- if (extendSel)
- Refresh(false);
- return true;
+ table->SetParent(NULL);
+
+ int i, j;
+ for (j = 0; j < rows; j++)
+ {
+ for (i = 0; i < cols; i++)
+ {
+ table->GetCell(j, i)->GetAttributes() = cellAttr;
+ }
}
- return false;
+ // The object returned is the one actually inserted into the buffer,
+ // while the original one is deleted.
+ wxRichTextObject* obj = GetFocusObject()->InsertObjectWithUndo(& GetBuffer(), m_caretPosition+1, table, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE);
+ wxRichTextTable* tableResult = wxDynamicCast(obj, wxRichTextTable);
+ return tableResult;
}
-/// Move to the end of the paragraph
-bool wxRichTextCtrl::MoveToParagraphEnd(int flags)
+
+/// Insert a newline (actually paragraph) at the current insertion point.
+bool wxRichTextCtrl::Newline()
{
- wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(m_caretPosition, true);
- if (para)
- {
- long newPos = para->GetRange().GetEnd() - 1;
- bool extendSel = ExtendSelection(m_caretPosition, newPos, flags);
- if (!extendSel)
- SelectNone();
+ return GetFocusObject()->InsertNewlineWithUndo(& GetBuffer(), m_caretPosition+1, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE);
+}
- SetCaretPosition(newPos);
- PositionCaret();
- SetDefaultStyleToCursorStyle();
+/// Insert a line break at the current insertion point.
+bool wxRichTextCtrl::LineBreak()
+{
+ wxString text;
+ text = wxRichTextLineBreakChar;
+ return GetFocusObject()->InsertTextWithUndo(& GetBuffer(), m_caretPosition+1, text, this);
+}
- if (extendSel)
- Refresh(false);
- return true;
- }
+// ----------------------------------------------------------------------------
+// Clipboard operations
+// ----------------------------------------------------------------------------
- return false;
+void wxRichTextCtrl::Copy()
+{
+ if (CanCopy())
+ {
+ wxRichTextRange range = GetInternalSelectionRange();
+ GetBuffer().CopyToClipboard(range);
+ }
}
-/// Move to the start of the paragraph
-bool wxRichTextCtrl::MoveToParagraphStart(int flags)
+void wxRichTextCtrl::Cut()
{
- wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(m_caretPosition, true);
- if (para)
+ if (CanCut())
{
- long newPos = para->GetRange().GetStart() - 1;
- bool extendSel = ExtendSelection(m_caretPosition, newPos, flags);
- if (!extendSel)
- SelectNone();
-
- SetCaretPosition(newPos);
- PositionCaret();
- SetDefaultStyleToCursorStyle();
+ wxRichTextRange range = GetInternalSelectionRange();
+ GetBuffer().CopyToClipboard(range);
- if (extendSel)
- Refresh(false);
- return true;
+ DeleteSelectedContent();
+ LayoutContent();
+ Refresh(false);
}
-
- return false;
}
-/// Move to the end of the line
-bool wxRichTextCtrl::MoveToLineEnd(int flags)
+void wxRichTextCtrl::Paste()
{
- wxRichTextLine* line = GetVisibleLineForCaretPosition(m_caretPosition);
-
- if (line)
+ if (CanPaste())
{
- wxRichTextRange lineRange = line->GetAbsoluteRange();
- long newPos = lineRange.GetEnd();
- bool extendSel = ExtendSelection(m_caretPosition, newPos, flags);
- if (!extendSel)
- SelectNone();
+ BeginBatchUndo(_("Paste"));
- SetCaretPosition(newPos);
- PositionCaret();
- SetDefaultStyleToCursorStyle();
+ long newPos = m_caretPosition;
+ DeleteSelectedContent(& newPos);
- if (extendSel)
- Refresh(false);
- return true;
- }
+ GetBuffer().PasteFromClipboard(newPos);
- return false;
+ EndBatchUndo();
+ }
}
-/// Move to the start of the line
-bool wxRichTextCtrl::MoveToLineStart(int flags)
+void wxRichTextCtrl::DeleteSelection()
{
- wxRichTextLine* line = GetVisibleLineForCaretPosition(m_caretPosition);
- if (line)
+ if (CanDeleteSelection())
{
- wxRichTextRange lineRange = line->GetAbsoluteRange();
- long newPos = lineRange.GetStart()-1;
+ DeleteSelectedContent();
+ }
+}
- bool extendSel = ExtendSelection(m_caretPosition, newPos, flags);
- if (!extendSel)
- SelectNone();
+bool wxRichTextCtrl::HasSelection() const
+{
+ return (m_selection.IsValid() && m_selection.GetContainer() == GetFocusObject());
+}
- wxRichTextParagraph* para = GetBuffer().GetParagraphForLine(line);
+bool wxRichTextCtrl::HasUnfocusedSelection() const
+{
+ return m_selection.IsValid();
+}
- SetCaretPosition(newPos, para->GetRange().GetStart() != lineRange.GetStart());
- PositionCaret();
- SetDefaultStyleToCursorStyle();
+bool wxRichTextCtrl::CanCopy() const
+{
+ // Can copy if there's a selection
+ return HasSelection();
+}
- if (extendSel)
- Refresh(false);
- return true;
- }
+bool wxRichTextCtrl::CanCut() const
+{
+ return CanDeleteSelection();
+}
- return false;
+bool wxRichTextCtrl::CanPaste() const
+{
+ if ( !IsEditable() || !GetFocusObject() || !CanInsertContent(* GetFocusObject(), m_caretPosition+1))
+ return false;
+
+ return GetBuffer().CanPasteFromClipboard();
}
-/// Move to the start of the buffer
-bool wxRichTextCtrl::MoveHome(int flags)
+bool wxRichTextCtrl::CanDeleteSelection() const
{
- if (m_caretPosition != -1)
- {
- bool extendSel = ExtendSelection(m_caretPosition, -1, flags);
- if (!extendSel)
- SelectNone();
+ return HasSelection() && IsEditable() && CanDeleteRange(* GetFocusObject(), GetSelectionRange());
+}
- SetCaretPosition(-1);
- PositionCaret();
- SetDefaultStyleToCursorStyle();
- if (extendSel)
- Refresh(false);
- return true;
- }
- else
- return false;
+// ----------------------------------------------------------------------------
+// Accessors
+// ----------------------------------------------------------------------------
+
+void wxRichTextCtrl::SetContextMenu(wxMenu* menu)
+{
+ if (m_contextMenu && m_contextMenu != menu)
+ delete m_contextMenu;
+ m_contextMenu = menu;
+}
+
+void wxRichTextCtrl::SetEditable(bool editable)
+{
+ m_editable = editable;
}
-/// Move to the end of the buffer
-bool wxRichTextCtrl::MoveEnd(int flags)
+void wxRichTextCtrl::SetInsertionPoint(long pos)
{
- long endPos = GetBuffer().GetRange().GetEnd()-1;
+ SelectNone();
- if (m_caretPosition != endPos)
- {
- bool extendSel = ExtendSelection(m_caretPosition, endPos, flags);
- if (!extendSel)
- SelectNone();
+ m_caretPosition = pos - 1;
+ m_caretAtLineStart = true;
- SetCaretPosition(endPos);
- PositionCaret();
- SetDefaultStyleToCursorStyle();
+ PositionCaret();
- if (extendSel)
- Refresh(false);
- return true;
- }
- else
- return false;
+ SetDefaultStyleToCursorStyle();
}
-/// Move noPages pages up
-bool wxRichTextCtrl::PageUp(int noPages, int flags)
+void wxRichTextCtrl::SetInsertionPointEnd()
{
- return PageDown(- noPages, flags);
+ long pos = GetLastPosition();
+ SetInsertionPoint(pos);
}
-/// Move noPages pages down
-bool wxRichTextCtrl::PageDown(int noPages, int flags)
+long wxRichTextCtrl::GetInsertionPoint() const
{
- // Calculate which line occurs noPages * screen height further down.
- wxRichTextLine* line = GetVisibleLineForCaretPosition(m_caretPosition);
- if (line)
- {
- wxSize clientSize = GetClientSize();
- int newY = line->GetAbsolutePosition().y + noPages*clientSize.y;
-
- wxRichTextLine* newLine = GetBuffer().GetLineAtYPosition(newY);
- if (newLine)
- {
- wxRichTextRange lineRange = newLine->GetAbsoluteRange();
- long pos = lineRange.GetStart()-1;
- if (pos != m_caretPosition)
- {
- wxRichTextParagraph* para = GetBuffer().GetParagraphForLine(newLine);
-
- bool extendSel = ExtendSelection(m_caretPosition, pos, flags);
- if (!extendSel)
- SelectNone();
+ return m_caretPosition+1;
+}
- SetCaretPosition(pos, para->GetRange().GetStart() != lineRange.GetStart());
- PositionCaret();
- SetDefaultStyleToCursorStyle();
+wxTextPos wxRichTextCtrl::GetLastPosition() const
+{
+ return GetFocusObject()->GetOwnRange().GetEnd();
+}
- if (extendSel)
- Refresh(false);
- return true;
- }
- }
+// If the return values from and to are the same, there is no
+// selection.
+void wxRichTextCtrl::GetSelection(long* from, long* to) const
+{
+ if (m_selection.IsValid())
+ {
+ *from = m_selection.GetRange().GetStart();
+ *to = m_selection.GetRange().GetEnd();
+ (*to) ++;
+ }
+ else
+ {
+ *from = -2;
+ *to = -2;
}
-
- return false;
}
-// Finds the caret position for the next word
-long wxRichTextCtrl::FindNextWordPosition(int direction) const
+bool wxRichTextCtrl::IsEditable() const
{
- long endPos = GetBuffer().GetRange().GetEnd();
+ return m_editable;
+}
- if (direction > 0)
+// ----------------------------------------------------------------------------
+// selection
+// ----------------------------------------------------------------------------
+
+void wxRichTextCtrl::SetSelection(long from, long to)
+{
+ // if from and to are both -1, it means (in wxWidgets) that all text should
+ // be selected.
+ if ( (from == -1) && (to == -1) )
{
- long i = m_caretPosition+1+direction; // +1 for conversion to character pos
+ from = 0;
+ to = GetLastPosition()+1;
+ }
- // First skip current text to space
- while (i < endPos && i > -1)
- {
- // i is in character, not caret positions
- wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));
- if (text != wxT(" ") && !text.empty())
- i += direction;
- else
- {
- break;
- }
- }
- while (i < endPos && i > -1)
- {
- // i is in character, not caret positions
- wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));
- if (text.empty()) // End of paragraph, or maybe an image
- return wxMax(-1, i - 1);
- else if (text == wxT(" ") || text.empty())
- i += direction;
- else
- {
- // Convert to caret position
- return wxMax(-1, i - 1);
- }
- }
- if (i >= endPos)
- return endPos-1;
- return i-1;
+ if (from == to)
+ {
+ SelectNone();
}
else
{
- long i = m_caretPosition;
+ wxRichTextSelection oldSelection = m_selection;
- // First skip white space
- while (i < endPos && i > -1)
- {
- // i is in character, not caret positions
- wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));
- if (text.empty()) // End of paragraph, or maybe an image
- break;
- else if (text == wxT(" ") || text.empty())
- i += direction;
- else
- break;
- }
- // Next skip current text to space
- while (i < endPos && i > -1)
- {
- // i is in character, not caret positions
- wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));
- if (text != wxT(" ") /* && !text.empty() */)
- i += direction;
- else
- {
- return i;
- }
- }
- if (i < -1)
- return -1;
- return i;
+ m_selectionAnchor = from-1;
+ m_selectionAnchorObject = NULL;
+ m_selection.Set(wxRichTextRange(from, to-1), GetFocusObject());
+
+ m_caretPosition = wxMax(-1, to-1);
+
+ RefreshForSelectionChange(oldSelection, m_selection);
+ PositionCaret();
}
}
-/// Move n words left
-bool wxRichTextCtrl::WordLeft(int WXUNUSED(n), int flags)
+// ----------------------------------------------------------------------------
+// Editing
+// ----------------------------------------------------------------------------
+
+void wxRichTextCtrl::Replace(long from, long to,
+ const wxString& value)
{
- long pos = FindNextWordPosition(-1);
- if (pos != m_caretPosition)
- {
- wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(pos, true);
+ BeginBatchUndo(_("Replace"));
- bool extendSel = ExtendSelection(m_caretPosition, pos, flags);
- if (!extendSel)
- SelectNone();
+ SetSelection(from, to);
- SetCaretPosition(pos, para->GetRange().GetStart() != pos);
- PositionCaret();
- SetDefaultStyleToCursorStyle();
+ wxRichTextAttr attr(GetDefaultStyle());
- if (extendSel)
- Refresh(false);
- return true;
- }
+ DeleteSelectedContent();
- return false;
+ SetDefaultStyle(attr);
+
+ if (!value.IsEmpty())
+ DoWriteText(value, SetValue_SelectionOnly);
+
+ EndBatchUndo();
}
-/// Move n words right
-bool wxRichTextCtrl::WordRight(int WXUNUSED(n), int flags)
+void wxRichTextCtrl::Remove(long from, long to)
{
- long pos = FindNextWordPosition(1);
- if (pos != m_caretPosition)
- {
- wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(pos, true);
-
- bool extendSel = ExtendSelection(m_caretPosition, pos, flags);
- if (!extendSel)
- SelectNone();
+ SelectNone();
- SetCaretPosition(pos, para->GetRange().GetStart() != pos);
- PositionCaret();
- SetDefaultStyleToCursorStyle();
+ GetFocusObject()->DeleteRangeWithUndo(wxRichTextRange(from, to-1), this, & GetBuffer());
- if (extendSel)
- Refresh(false);
- return true;
- }
+ LayoutContent();
+ if (!IsFrozen())
+ Refresh(false);
+}
- return false;
+bool wxRichTextCtrl::IsModified() const
+{
+ return m_buffer.IsModified();
}
-/// Sizing
-void wxRichTextCtrl::OnSize(wxSizeEvent& event)
+void wxRichTextCtrl::MarkDirty()
{
- // Only do sizing optimization for large buffers
- if (GetBuffer().GetRange().GetEnd() > m_delayedLayoutThreshold)
- {
- m_fullLayoutRequired = true;
- m_fullLayoutTime = wxGetLocalTimeMillis();
- m_fullLayoutSavedPosition = GetFirstVisiblePosition();
- LayoutContent(true /* onlyVisibleRect */);
- }
- else
- GetBuffer().Invalidate(wxRICHTEXT_ALL);
+ m_buffer.Modify(true);
+}
- RecreateBuffer();
+void wxRichTextCtrl::DiscardEdits()
+{
+ m_caretPositionForDefaultStyle = -2;
+ m_buffer.Modify(false);
+ m_buffer.GetCommandProcessor()->ClearCommands();
+}
- event.Skip();
+int wxRichTextCtrl::GetNumberOfLines() const
+{
+ return GetFocusObject()->GetParagraphCount();
}
+// ----------------------------------------------------------------------------
+// Positions <-> coords
+// ----------------------------------------------------------------------------
-/// Idle-time processing
-void wxRichTextCtrl::OnIdle(wxIdleEvent& event)
+long wxRichTextCtrl::XYToPosition(long x, long y) const
{
- const int layoutInterval = wxRICHTEXT_DEFAULT_LAYOUT_INTERVAL;
+ return GetFocusObject()->XYToPosition(x, y);
+}
- if (m_fullLayoutRequired && (wxGetLocalTimeMillis() > (m_fullLayoutTime + layoutInterval)))
- {
- m_fullLayoutRequired = false;
- m_fullLayoutTime = 0;
- GetBuffer().Invalidate(wxRICHTEXT_ALL);
- ShowPosition(m_fullLayoutSavedPosition);
- Refresh(false);
- }
+bool wxRichTextCtrl::PositionToXY(long pos, long *x, long *y) const
+{
+ return GetFocusObject()->PositionToXY(pos, x, y);
+}
- if (m_caretPositionForDefaultStyle != -2)
- {
- // If the caret position has changed, no longer reflect the default style
- // in the UI.
- if (GetCaretPosition() != m_caretPositionForDefaultStyle)
- m_caretPositionForDefaultStyle = -2;
- }
+// ----------------------------------------------------------------------------
+//
+// ----------------------------------------------------------------------------
- event.Skip();
+void wxRichTextCtrl::ShowPosition(long pos)
+{
+ if (!IsPositionVisible(pos))
+ ScrollIntoView(pos-1, WXK_DOWN);
+}
+
+int wxRichTextCtrl::GetLineLength(long lineNo) const
+{
+ return GetFocusObject()->GetParagraphLength(lineNo);
}
-/// Scrolling
-void wxRichTextCtrl::OnScroll(wxScrollWinEvent& event)
+wxString wxRichTextCtrl::GetLineText(long lineNo) const
{
- // Not used
- event.Skip();
+ return GetFocusObject()->GetParagraphText(lineNo);
}
-/// Set up scrollbars, e.g. after a resize
-void wxRichTextCtrl::SetupScrollbars(bool atTop)
-{
- if (m_freezeCount)
- return;
+// ----------------------------------------------------------------------------
+// Undo/redo
+// ----------------------------------------------------------------------------
- if (GetBuffer().IsEmpty())
+void wxRichTextCtrl::Undo()
+{
+ if (CanUndo())
{
- SetScrollbars(0, 0, 0, 0, 0, 0);
- return;
+ GetCommandProcessor()->Undo();
}
+}
- // TODO: reimplement scrolling so we scroll by line, not by fixed number
- // of pixels. See e.g. wxVScrolledWindow for ideas.
- int pixelsPerUnit = 5;
- wxSize clientSize = GetClientSize();
-
- int maxHeight = GetBuffer().GetCachedSize().y;
-
- // Round up so we have at least maxHeight pixels
- int unitsY = (int) (((float)maxHeight/(float)pixelsPerUnit) + 0.5);
-
- int startX = 0, startY = 0;
- if (!atTop)
- GetViewStart(& startX, & startY);
-
- int maxPositionX = 0; // wxMax(sz.x - clientSize.x, 0);
- int maxPositionY = (int) ((((float)(wxMax((unitsY*pixelsPerUnit) - clientSize.y, 0)))/((float)pixelsPerUnit)) + 0.5);
+void wxRichTextCtrl::Redo()
+{
+ if (CanRedo())
+ {
+ GetCommandProcessor()->Redo();
+ }
+}
- // Move to previous scroll position if
- // possible
- SetScrollbars(0, pixelsPerUnit,
- 0, unitsY,
- wxMin(maxPositionX, startX), wxMin(maxPositionY, startY));
+bool wxRichTextCtrl::CanUndo() const
+{
+ return GetCommandProcessor()->CanUndo() && IsEditable();
}
-/// Paint the background
-void wxRichTextCtrl::PaintBackground(wxDC& dc)
+bool wxRichTextCtrl::CanRedo() const
{
- wxColour backgroundColour = GetBackgroundColour();
- if (!backgroundColour.Ok())
- backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
+ return GetCommandProcessor()->CanRedo() && IsEditable();
+}
- // Clear the background
- dc.SetBrush(wxBrush(backgroundColour));
- dc.SetPen(*wxTRANSPARENT_PEN);
- wxRect windowRect(GetClientSize());
- windowRect.x -= 2; windowRect.y -= 2;
- windowRect.width += 4; windowRect.height += 4;
+// ----------------------------------------------------------------------------
+// implementation details
+// ----------------------------------------------------------------------------
- // We need to shift the rectangle to take into account
- // scrolling. Converting device to logical coordinates.
- CalcUnscrolledPosition(windowRect.x, windowRect.y, & windowRect.x, & windowRect.y);
- dc.DrawRectangle(windowRect);
+void wxRichTextCtrl::Command(wxCommandEvent& event)
+{
+ SetValue(event.GetString());
+ GetEventHandler()->ProcessEvent(event);
}
-/// Recreate buffer bitmap if necessary
-bool wxRichTextCtrl::RecreateBuffer(const wxSize& size)
+void wxRichTextCtrl::OnDropFiles(wxDropFilesEvent& event)
{
- wxSize sz = size;
- if (sz == wxDefaultSize)
- sz = GetClientSize();
-
- if (sz.x < 1 || sz.y < 1)
- return false;
+ // By default, load the first file into the text window.
+ if (event.GetNumberOfFiles() > 0)
+ {
+ LoadFile(event.GetFiles()[0]);
+ }
+}
- if (!m_bufferBitmap.Ok() || m_bufferBitmap.GetWidth() < sz.x || m_bufferBitmap.GetHeight() < sz.y)
- m_bufferBitmap = wxBitmap(sz.x, sz.y);
- return m_bufferBitmap.Ok();
+wxSize wxRichTextCtrl::DoGetBestSize() const
+{
+ return wxSize(10, 10);
}
// ----------------------------------------------------------------------------
-// file IO functions
+// standard handlers for standard edit menu events
// ----------------------------------------------------------------------------
-bool wxRichTextCtrl::LoadFile(const wxString& filename, int type)
+void wxRichTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
{
- bool success = GetBuffer().LoadFile(filename, type);
- if (success)
- m_filename = filename;
-
- DiscardEdits();
- SetInsertionPoint(0);
- LayoutContent();
- PositionCaret();
- SetupScrollbars(true);
- Refresh(false);
- SendUpdateEvent();
-
- if (success)
- return true;
- else
- {
- wxLogError(_("File couldn't be loaded."));
+ Cut();
+}
- return false;
- }
+void wxRichTextCtrl::OnClear(wxCommandEvent& WXUNUSED(event))
+{
+ DeleteSelection();
}
-bool wxRichTextCtrl::SaveFile(const wxString& filename, int type)
+void wxRichTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
{
- wxString filenameToUse = filename.empty() ? m_filename : filename;
- if ( filenameToUse.empty() )
- {
- // what kind of message to give? is it an error or a program bug?
- wxLogDebug(wxT("Can't save textctrl to file without filename."));
+ Copy();
+}
- return false;
- }
+void wxRichTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
+{
+ Paste();
+}
- if (GetBuffer().SaveFile(filenameToUse, type))
- {
- m_filename = filenameToUse;
+void wxRichTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
+{
+ Undo();
+}
- DiscardEdits();
+void wxRichTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
+{
+ Redo();
+}
- return true;
+void wxRichTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCut() );
+}
- }
+void wxRichTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCopy() );
+}
- wxLogError(_("The text couldn't be saved."));
+void wxRichTextCtrl::OnUpdateClear(wxUpdateUIEvent& event)
+{
+ event.Enable( CanDeleteSelection() );
+}
- return false;
+void wxRichTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
+{
+ event.Enable( CanPaste() );
}
-// ----------------------------------------------------------------------------
-// wxRichTextCtrl specific functionality
-// ----------------------------------------------------------------------------
+void wxRichTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+ event.Enable( CanUndo() );
+ event.SetText( GetCommandProcessor()->GetUndoMenuLabel() );
+}
-/// Add a new paragraph of text to the end of the buffer
-wxRichTextRange wxRichTextCtrl::AddParagraph(const wxString& text)
+void wxRichTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
{
- return GetBuffer().AddParagraph(text);
+ event.Enable( CanRedo() );
+ event.SetText( GetCommandProcessor()->GetRedoMenuLabel() );
}
-/// Add an image
-wxRichTextRange wxRichTextCtrl::AddImage(const wxImage& image)
+void wxRichTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
{
- return GetBuffer().AddImage(image);
+ if (GetLastPosition() > 0)
+ SelectAll();
}
-// ----------------------------------------------------------------------------
-// selection and ranges
-// ----------------------------------------------------------------------------
+void wxRichTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
+{
+ event.Enable(GetLastPosition() > 0);
+}
-void wxRichTextCtrl::SelectAll()
+void wxRichTextCtrl::OnProperties(wxCommandEvent& event)
{
- SetSelection(0, GetLastPosition()+1);
- m_selectionAnchor = -1;
+ int idx = event.GetId() - wxID_RICHTEXT_PROPERTIES1;
+ if (idx >= 0 && idx < m_contextMenuPropertiesInfo.GetCount())
+ {
+ wxRichTextObject* obj = m_contextMenuPropertiesInfo.GetObject(idx);
+ if (obj && CanEditProperties(obj))
+ EditProperties(obj, this);
+
+ m_contextMenuPropertiesInfo.Clear();
+ }
}
-/// Select none
-void wxRichTextCtrl::SelectNone()
+void wxRichTextCtrl::OnUpdateProperties(wxUpdateUIEvent& event)
{
- if (!(GetSelectionRange() == wxRichTextRange(-2, -2)))
- SetSelection(-2, -2);
- m_selectionAnchor = -2;
+ int idx = event.GetId() - wxID_RICHTEXT_PROPERTIES1;
+ event.Enable(idx >= 0 && idx < m_contextMenuPropertiesInfo.GetCount());
}
-wxString wxRichTextCtrl::GetStringSelection() const
+void wxRichTextCtrl::OnContextMenu(wxContextMenuEvent& event)
{
- long from, to;
- GetSelection(&from, &to);
+ if (event.GetEventObject() != this)
+ {
+ event.Skip();
+ return;
+ }
- return GetRange(from, to);
+ ShowContextMenu(m_contextMenu, event.GetPosition());
}
-// do the window-specific processing after processing the update event
-#if !wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
-void wxRichTextCtrl::DoUpdateWindowUI(wxUpdateUIEvent& event)
+// Prepares the context menu, adding appropriate property-editing commands.
+// Returns the number of property commands added.
+int wxRichTextCtrl::PrepareContextMenu(wxMenu* menu, const wxPoint& pt, bool addPropertyCommands)
{
- // call inherited
- wxWindowBase::DoUpdateWindowUI(event);
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ dc.SetFont(GetFont());
+
+ m_contextMenuPropertiesInfo.Clear();
+
+ long position = 0;
+ wxRichTextObject* hitObj = NULL;
+ wxRichTextObject* contextObj = NULL;
+ if (pt != wxDefaultPosition)
+ {
+ wxPoint logicalPt = GetLogicalPoint(ScreenToClient(pt));
+ wxRichTextDrawingContext context(& GetBuffer());
+ int hit = GetBuffer().HitTest(dc, context, GetUnscaledPoint(logicalPt), position, & hitObj, & contextObj);
+
+ if (hit == wxRICHTEXT_HITTEST_ON || hit == wxRICHTEXT_HITTEST_BEFORE || hit == wxRICHTEXT_HITTEST_AFTER)
+ {
+ wxRichTextParagraphLayoutBox* actualContainer = wxDynamicCast(contextObj, wxRichTextParagraphLayoutBox);
+ if (hitObj && actualContainer)
+ {
+ if (actualContainer->AcceptsFocus())
+ {
+ SetFocusObject(actualContainer, false /* don't set caret position yet */);
+ SetCaretPositionAfterClick(actualContainer, position, hit);
+ }
- // update text
- if ( event.GetSetText() )
+ if (addPropertyCommands)
+ m_contextMenuPropertiesInfo.AddItems(this, actualContainer, hitObj);
+ }
+ else
+ {
+ if (addPropertyCommands)
+ m_contextMenuPropertiesInfo.AddItems(this, GetFocusObject(), NULL);
+ }
+ }
+ else
+ {
+ if (addPropertyCommands)
+ m_contextMenuPropertiesInfo.AddItems(this, GetFocusObject(), NULL);
+ }
+ }
+ else
{
- if ( event.GetText() != GetValue() )
- SetValue(event.GetText());
+ // Invoked from the keyboard, so don't set the caret position and don't use the event
+ // position
+ hitObj = GetFocusObject()->GetLeafObjectAtPosition(m_caretPosition+1);
+ if (hitObj)
+ contextObj = hitObj->GetParentContainer();
+ else
+ contextObj = GetFocusObject();
+
+ wxRichTextParagraphLayoutBox* actualContainer = wxDynamicCast(contextObj, wxRichTextParagraphLayoutBox);
+ if (hitObj && actualContainer)
+ {
+ if (addPropertyCommands)
+ m_contextMenuPropertiesInfo.AddItems(this, actualContainer, hitObj);
+ }
+ else
+ {
+ if (addPropertyCommands)
+ m_contextMenuPropertiesInfo.AddItems(this, GetFocusObject(), NULL);
+ }
}
-}
-#endif // !wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
-// ----------------------------------------------------------------------------
-// hit testing
-// ----------------------------------------------------------------------------
+ if (menu)
+ {
+ if (addPropertyCommands)
+ m_contextMenuPropertiesInfo.AddMenuItems(menu);
+ return m_contextMenuPropertiesInfo.GetCount();
+ }
+ else
+ return 0;
+}
-wxTextCtrlHitTestResult
-wxRichTextCtrl::HitTest(const wxPoint& pt, wxTextCoord *x, wxTextCoord *y) const
+// Shows the context menu, adding appropriate property-editing commands
+bool wxRichTextCtrl::ShowContextMenu(wxMenu* menu, const wxPoint& pt, bool addPropertyCommands)
{
- // implement in terms of the other overload as the native ports typically
- // can get the position and not (x, y) pair directly (although wxUniv
- // directly gets x and y -- and so overrides this method as well)
- long pos;
- wxTextCtrlHitTestResult rc = HitTest(pt, &pos);
-
- if ( rc != wxTE_HT_UNKNOWN )
+ if (menu)
{
- PositionToXY(pos, x, y);
+ PrepareContextMenu(menu, pt, addPropertyCommands);
+ PopupMenu(menu);
+ return true;
}
+ else
+ return false;
+}
- return rc;
+bool wxRichTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
+{
+ return GetFocusObject()->SetStyle(wxRichTextRange(start, end-1), wxRichTextAttr(style));
}
-wxTextCtrlHitTestResult
-wxRichTextCtrl::HitTest(const wxPoint& pt,
- long * pos) const
+bool wxRichTextCtrl::SetStyle(long start, long end, const wxRichTextAttr& style)
{
- wxClientDC dc((wxRichTextCtrl*) this);
- ((wxRichTextCtrl*)this)->PrepareDC(dc);
+ return GetFocusObject()->SetStyle(wxRichTextRange(start, end-1), style);
+}
- // Buffer uses logical position (relative to start of buffer)
- // so convert
- wxPoint pt2 = GetLogicalPoint(pt);
+bool wxRichTextCtrl::SetStyle(const wxRichTextRange& range, const wxTextAttr& style)
+{
+ return GetFocusObject()->SetStyle(range.ToInternal(), wxRichTextAttr(style));
+}
- int hit = ((wxRichTextCtrl*)this)->GetBuffer().HitTest(dc, pt2, *pos);
+bool wxRichTextCtrl::SetStyle(const wxRichTextRange& range, const wxRichTextAttr& style)
+{
+ return GetFocusObject()->SetStyle(range.ToInternal(), style);
+}
- switch ( hit )
- {
- case wxRICHTEXT_HITTEST_BEFORE:
- return wxTE_HT_BEFORE;
+void wxRichTextCtrl::SetStyle(wxRichTextObject *obj, const wxRichTextAttr& textAttr, int flags)
+{
+ GetFocusObject()->SetStyle(obj, textAttr, flags);
+}
- case wxRICHTEXT_HITTEST_AFTER:
- return wxTE_HT_BEYOND;
+// extended style setting operation with flags including:
+// wxRICHTEXT_SETSTYLE_WITH_UNDO, wxRICHTEXT_SETSTYLE_OPTIMIZE, wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY.
+// see richtextbuffer.h for more details.
- case wxRICHTEXT_HITTEST_ON:
- return wxTE_HT_ON_TEXT;
- }
+bool wxRichTextCtrl::SetStyleEx(const wxRichTextRange& range, const wxRichTextAttr& style, int flags)
+{
+ return GetFocusObject()->SetStyle(range.ToInternal(), style, flags);
+}
- return wxTE_HT_UNKNOWN;
+bool wxRichTextCtrl::SetDefaultStyle(const wxTextAttr& style)
+{
+ return GetBuffer().SetDefaultStyle(style);
}
-// ----------------------------------------------------------------------------
-// set/get the controls text
-// ----------------------------------------------------------------------------
+bool wxRichTextCtrl::SetDefaultStyle(const wxRichTextAttr& style)
+{
+ wxRichTextAttr attr1(style);
+ attr1.GetTextBoxAttr().Reset();
+ return GetBuffer().SetDefaultStyle(attr1);
+}
-wxString wxRichTextCtrl::GetValue() const
+const wxRichTextAttr& wxRichTextCtrl::GetDefaultStyleEx() const
{
- return GetBuffer().GetText();
+ return GetBuffer().GetDefaultStyle();
}
-wxString wxRichTextCtrl::GetRange(long from, long to) const
+bool wxRichTextCtrl::GetStyle(long position, wxTextAttr& style)
{
- // Public API for range is different from internals
- return GetBuffer().GetTextForRange(wxRichTextRange(from, to-1));
+ wxRichTextAttr attr;
+ if (GetFocusObject()->GetStyle(position, attr))
+ {
+ style = attr;
+ return true;
+ }
+ else
+ return false;
}
-void wxRichTextCtrl::SetValue(const wxString& value)
+bool wxRichTextCtrl::GetStyle(long position, wxRichTextAttr& style)
{
- Clear();
+ return GetFocusObject()->GetStyle(position, style);
+}
- // if the text is long enough, it's faster to just set it instead of first
- // comparing it with the old one (chances are that it will be different
- // anyhow, this comparison is there to avoid flicker for small single-line
- // edit controls mostly)
- if ( (value.length() > 0x400) || (value != GetValue()) )
+bool wxRichTextCtrl::GetStyle(long position, wxRichTextAttr& style, wxRichTextParagraphLayoutBox* container)
+{
+ wxRichTextAttr attr;
+ if (container->GetStyle(position, attr))
{
- DoWriteText(value, false /* not selection only */);
-
- // for compatibility, don't move the cursor when doing SetValue()
- SetInsertionPoint(0);
+ style = attr;
+ return true;
}
- else // same text
+ else
+ return false;
+}
+
+// get the common set of styles for the range
+bool wxRichTextCtrl::GetStyleForRange(const wxRichTextRange& range, wxTextAttr& style)
+{
+ wxRichTextAttr attr;
+ if (GetFocusObject()->GetStyleForRange(range.ToInternal(), attr))
{
- // still send an event for consistency
- SendUpdateEvent();
+ style = attr;
+ return true;
}
+ else
+ return false;
+}
- // we should reset the modified flag even if the value didn't really change
-
- // mark the control as being not dirty - we changed its text, not the
- // user
- DiscardEdits();
+bool wxRichTextCtrl::GetStyleForRange(const wxRichTextRange& range, wxRichTextAttr& style)
+{
+ return GetFocusObject()->GetStyleForRange(range.ToInternal(), style);
}
-void wxRichTextCtrl::WriteText(const wxString& value)
+bool wxRichTextCtrl::GetStyleForRange(const wxRichTextRange& range, wxRichTextAttr& style, wxRichTextParagraphLayoutBox* container)
{
- DoWriteText(value);
+ return container->GetStyleForRange(range.ToInternal(), style);
}
-void wxRichTextCtrl::DoWriteText(const wxString& value, bool WXUNUSED(selectionOnly))
+/// Get the content (uncombined) attributes for this position.
+bool wxRichTextCtrl::GetUncombinedStyle(long position, wxRichTextAttr& style)
{
- GetBuffer().InsertTextWithUndo(m_caretPosition+1, value, this);
+ return GetFocusObject()->GetUncombinedStyle(position, style);
}
-void wxRichTextCtrl::AppendText(const wxString& text)
+/// Get the content (uncombined) attributes for this position.
+bool wxRichTextCtrl::GetUncombinedStyle(long position, wxRichTextAttr& style, wxRichTextParagraphLayoutBox* container)
{
- SetInsertionPointEnd();
+ return container->GetUncombinedStyle(position, style);
+}
- WriteText(text);
+bool wxRichTextCtrl::SetProperties(const wxRichTextRange& range, const wxRichTextProperties& properties, int flags)
+{
+ return GetFocusObject()->SetProperties(range.ToInternal(), properties, flags);
}
-/// Write an image at the current insertion point
-bool wxRichTextCtrl::WriteImage(const wxImage& image, int bitmapType)
+/// Set font, and also the buffer attributes
+bool wxRichTextCtrl::SetFont(const wxFont& font)
{
- wxRichTextImageBlock imageBlock;
+ wxControl::SetFont(font);
- wxImage image2 = image;
- if (imageBlock.MakeImageBlock(image2, bitmapType))
- return WriteImage(imageBlock);
+ wxRichTextAttr attr = GetBuffer().GetAttributes();
+ attr.SetFont(font);
+ GetBuffer().SetBasicStyle(attr);
- return false;
+ GetBuffer().Invalidate(wxRICHTEXT_ALL);
+ Refresh(false);
+
+ return true;
}
-bool wxRichTextCtrl::WriteImage(const wxString& filename, int bitmapType)
+/// Transform logical to physical
+wxPoint wxRichTextCtrl::GetPhysicalPoint(const wxPoint& ptLogical) const
{
- wxRichTextImageBlock imageBlock;
-
- wxImage image;
- if (imageBlock.MakeImageBlock(filename, bitmapType, image, false))
- return WriteImage(imageBlock);
+ wxPoint pt;
+ CalcScrolledPosition(ptLogical.x, ptLogical.y, & pt.x, & pt.y);
- return false;
+ return pt;
}
-bool wxRichTextCtrl::WriteImage(const wxRichTextImageBlock& imageBlock)
+/// Transform physical to logical
+wxPoint wxRichTextCtrl::GetLogicalPoint(const wxPoint& ptPhysical) const
{
- return GetBuffer().InsertImageWithUndo(m_caretPosition+1, imageBlock, this);
+ wxPoint pt;
+ CalcUnscrolledPosition(ptPhysical.x, ptPhysical.y, & pt.x, & pt.y);
+
+ return pt;
}
-bool wxRichTextCtrl::WriteImage(const wxBitmap& bitmap, int bitmapType)
+/// Position the caret
+void wxRichTextCtrl::PositionCaret(wxRichTextParagraphLayoutBox* container)
{
- if (bitmap.Ok())
+ if (!GetCaret())
+ return;
+
+ //wxLogDebug(wxT("PositionCaret"));
+
+ wxRect caretRect;
+ if (GetCaretPositionForIndex(GetCaretPosition(), caretRect, container))
{
- wxRichTextImageBlock imageBlock;
+#if !wxRICHTEXT_USE_OWN_CARET
+ caretRect = GetScaledRect(caretRect);
+#endif
+ int topMargin = (int) (0.5 + GetScale()*GetBuffer().GetTopMargin());
+ int bottomMargin = (int) (0.5 + GetScale()*GetBuffer().GetBottomMargin());
+ wxPoint newPt = caretRect.GetPosition();
+ wxSize newSz = caretRect.GetSize();
+ wxPoint pt = GetPhysicalPoint(newPt);
+ if (GetCaret()->GetPosition() != pt || GetCaret()->GetSize() != newSz)
+ {
+ GetCaret()->Hide();
+ if (GetCaret()->GetSize() != newSz)
+ GetCaret()->SetSize(newSz);
- wxImage image = bitmap.ConvertToImage();
- if (image.Ok() && imageBlock.MakeImageBlock(image, bitmapType))
- return WriteImage(imageBlock);
- }
+ // Adjust size so the caret size and position doesn't appear in the margins
+ if (((pt.y + newSz.y) <= topMargin) || (pt.y >= (GetClientSize().y - bottomMargin)))
+ {
+ pt.x = -200;
+ pt.y = -200;
+ }
+ else if (pt.y < topMargin && (pt.y + newSz.y) > topMargin)
+ {
+ newSz.y -= (topMargin - pt.y);
+ if (newSz.y > 0)
+ {
+ pt.y = topMargin;
+ GetCaret()->SetSize(newSz);
+ }
+ }
+ else if (pt.y < (GetClientSize().y - bottomMargin) && (pt.y + newSz.y) > (GetClientSize().y - bottomMargin))
+ {
+ newSz.y = GetClientSize().y - bottomMargin - pt.y;
+ GetCaret()->SetSize(newSz);
+ }
- return false;
+ GetCaret()->Move(pt);
+ GetCaret()->Show();
+ }
+ }
}
-/// Insert a newline (actually paragraph) at the current insertion point.
-bool wxRichTextCtrl::Newline()
+/// Get the caret height and position for the given character position
+bool wxRichTextCtrl::GetCaretPositionForIndex(long position, wxRect& rect, wxRichTextParagraphLayoutBox* container)
{
- return GetBuffer().InsertNewlineWithUndo(m_caretPosition+1, this);
-}
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ dc.SetUserScale(GetScale(), GetScale());
+ dc.SetFont(GetFont());
+ wxPoint pt;
+ int height = 0;
-// ----------------------------------------------------------------------------
-// Clipboard operations
-// ----------------------------------------------------------------------------
+ if (!container)
+ container = GetFocusObject();
-void wxRichTextCtrl::Copy()
-{
- if (CanCopy())
+ wxRichTextDrawingContext context(& GetBuffer());
+ if (container->FindPosition(dc, context, position, pt, & height, m_caretAtLineStart))
{
- wxRichTextRange range = GetSelectionRange();
- GetBuffer().CopyToClipboard(range);
+ // Caret height can't be zero
+ if (height == 0)
+ height = dc.GetCharHeight();
+
+ rect = wxRect(pt, wxSize(wxRICHTEXT_DEFAULT_CARET_WIDTH, height));
+ return true;
}
+
+ return false;
}
-void wxRichTextCtrl::Cut()
+/// Gets the line for the visible caret position. If the caret is
+/// shown at the very end of the line, it means the next character is actually
+/// on the following line. So let's get the line we're expecting to find
+/// if this is the case.
+wxRichTextLine* wxRichTextCtrl::GetVisibleLineForCaretPosition(long caretPosition) const
{
- if (CanCut())
+ wxRichTextLine* line = GetFocusObject()->GetLineAtPosition(caretPosition, true);
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphAtPosition(caretPosition, true);
+ if (line)
{
- wxRichTextRange range = GetSelectionRange();
- GetBuffer().CopyToClipboard(range);
-
- DeleteSelectedContent();
- LayoutContent();
- Refresh(false);
+ wxRichTextRange lineRange = line->GetAbsoluteRange();
+ if (caretPosition == lineRange.GetStart()-1 &&
+ (para->GetRange().GetStart() != lineRange.GetStart()))
+ {
+ if (!m_caretAtLineStart)
+ line = GetFocusObject()->GetLineAtPosition(caretPosition-1, true);
+ }
}
+ return line;
}
-void wxRichTextCtrl::Paste()
+
+/// Move the caret to the given character position
+bool wxRichTextCtrl::MoveCaret(long pos, bool showAtLineStart, wxRichTextParagraphLayoutBox* container)
{
- if (CanPaste())
- {
- BeginBatchUndo(_("Paste"));
+ if (GetBuffer().IsDirty())
+ LayoutContent();
- long newPos = m_caretPosition;
- DeleteSelectedContent(& newPos);
+ if (!container)
+ container = GetFocusObject();
- GetBuffer().PasteFromClipboard(newPos);
+ if (pos <= container->GetOwnRange().GetEnd())
+ {
+ SetCaretPosition(pos, showAtLineStart);
- EndBatchUndo();
+ PositionCaret(container);
+
+ return true;
}
+ else
+ return false;
}
-void wxRichTextCtrl::DeleteSelection()
+/// Layout the buffer: which we must do before certain operations, such as
+/// setting the caret position.
+bool wxRichTextCtrl::LayoutContent(bool onlyVisibleRect)
{
- if (CanDeleteSelection())
+ if (GetBuffer().IsDirty() || onlyVisibleRect)
{
- DeleteSelectedContent();
+ wxRect availableSpace(GetUnscaledSize(GetClientSize()));
+ if (availableSpace.width == 0)
+ availableSpace.width = 10;
+ if (availableSpace.height == 0)
+ availableSpace.height = 10;
+
+ int flags = wxRICHTEXT_FIXED_WIDTH|wxRICHTEXT_VARIABLE_HEIGHT;
+ if (onlyVisibleRect)
+ {
+ flags |= wxRICHTEXT_LAYOUT_SPECIFIED_RECT;
+ availableSpace.SetPosition(GetUnscaledPoint(GetLogicalPoint(wxPoint(0, 0))));
+ }
+
+ wxClientDC dc(this);
+
+ PrepareDC(dc);
+ dc.SetFont(GetFont());
+ dc.SetUserScale(GetScale(), GetScale());
+
+ wxRichTextDrawingContext context(& GetBuffer());
+ GetBuffer().Defragment(context);
+ GetBuffer().UpdateRanges(); // If items were deleted, ranges need recalculation
+ GetBuffer().Layout(dc, context, availableSpace, availableSpace, flags);
+ GetBuffer().Invalidate(wxRICHTEXT_NONE);
+
+ dc.SetUserScale(1.0, 1.0);
+
+ if (!IsFrozen() && !onlyVisibleRect)
+ SetupScrollbars();
}
-}
-bool wxRichTextCtrl::HasSelection() const
-{
- return m_selectionRange.GetStart() != -2 && m_selectionRange.GetEnd() != -2;
+ return true;
}
-bool wxRichTextCtrl::CanCopy() const
+/// Is all of the selection, or the current caret position, bold?
+bool wxRichTextCtrl::IsSelectionBold()
{
- // Can copy if there's a selection
- return HasSelection();
-}
+ if (HasSelection())
+ {
+ wxRichTextAttr attr;
+ wxRichTextRange range = GetSelectionRange();
+ attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
+ attr.SetFontWeight(wxFONTWEIGHT_BOLD);
-bool wxRichTextCtrl::CanCut() const
-{
- return HasSelection() && IsEditable();
+ return HasCharacterAttributes(range, attr);
+ }
+ else
+ {
+ // If no selection, then we need to combine current style with default style
+ // to see what the effect would be if we started typing.
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
+
+ long pos = GetAdjustedCaretPosition(GetCaretPosition());
+ if (GetStyle(pos, attr))
+ {
+ if (IsDefaultStyleShowing())
+ wxRichTextApplyStyle(attr, GetDefaultStyleEx());
+ return attr.GetFontWeight() == wxFONTWEIGHT_BOLD;
+ }
+ }
+ return false;
}
-bool wxRichTextCtrl::CanPaste() const
+/// Is all of the selection, or the current caret position, italics?
+bool wxRichTextCtrl::IsSelectionItalics()
{
- if ( !IsEditable() )
- return false;
+ if (HasSelection())
+ {
+ wxRichTextRange range = GetSelectionRange();
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
+ attr.SetFontStyle(wxFONTSTYLE_ITALIC);
- return GetBuffer().CanPasteFromClipboard();
-}
+ return HasCharacterAttributes(range, attr);
+ }
+ else
+ {
+ // If no selection, then we need to combine current style with default style
+ // to see what the effect would be if we started typing.
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
-bool wxRichTextCtrl::CanDeleteSelection() const
-{
- return HasSelection() && IsEditable();
+ long pos = GetAdjustedCaretPosition(GetCaretPosition());
+ if (GetStyle(pos, attr))
+ {
+ if (IsDefaultStyleShowing())
+ wxRichTextApplyStyle(attr, GetDefaultStyleEx());
+ return attr.GetFontStyle() == wxFONTSTYLE_ITALIC;
+ }
+ }
+ return false;
}
-
-// ----------------------------------------------------------------------------
-// Accessors
-// ----------------------------------------------------------------------------
-
-void wxRichTextCtrl::SetEditable(bool editable)
+/// Is all of the selection, or the current caret position, underlined?
+bool wxRichTextCtrl::IsSelectionUnderlined()
{
- m_editable = editable;
-}
+ if (HasSelection())
+ {
+ wxRichTextRange range = GetSelectionRange();
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE);
+ attr.SetFontUnderlined(true);
-void wxRichTextCtrl::SetInsertionPoint(long pos)
-{
- SelectNone();
+ return HasCharacterAttributes(range, attr);
+ }
+ else
+ {
+ // If no selection, then we need to combine current style with default style
+ // to see what the effect would be if we started typing.
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE);
+ long pos = GetAdjustedCaretPosition(GetCaretPosition());
- m_caretPosition = pos - 1;
+ if (GetStyle(pos, attr))
+ {
+ if (IsDefaultStyleShowing())
+ wxRichTextApplyStyle(attr, GetDefaultStyleEx());
+ return attr.GetFontUnderlined();
+ }
+ }
+ return false;
}
-void wxRichTextCtrl::SetInsertionPointEnd()
+/// Does all of the selection, or the current caret position, have this wxTextAttrEffects flag(s)?
+bool wxRichTextCtrl::DoesSelectionHaveTextEffectFlag(int flag)
{
- long pos = GetLastPosition();
- SetInsertionPoint(pos);
-}
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_EFFECTS);
+ attr.SetTextEffectFlags(flag);
+ attr.SetTextEffects(flag);
-long wxRichTextCtrl::GetInsertionPoint() const
-{
- return m_caretPosition+1;
+ if (HasSelection())
+ {
+ return HasCharacterAttributes(GetSelectionRange(), attr);
+ }
+ else
+ {
+ // If no selection, then we need to combine current style with default style
+ // to see what the effect would be if we started typing.
+ long pos = GetAdjustedCaretPosition(GetCaretPosition());
+ if (GetStyle(pos, attr))
+ {
+ if (IsDefaultStyleShowing())
+ wxRichTextApplyStyle(attr, GetDefaultStyleEx());
+ return (attr.GetTextEffectFlags() & flag) != 0;
+ }
+ }
+ return false;
}
-wxTextPos wxRichTextCtrl::GetLastPosition() const
+/// Apply bold to the selection
+bool wxRichTextCtrl::ApplyBoldToSelection()
{
- return GetBuffer().GetRange().GetEnd();
-}
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
+ attr.SetFontWeight(IsSelectionBold() ? wxFONTWEIGHT_NORMAL : wxFONTWEIGHT_BOLD);
-// If the return values from and to are the same, there is no
-// selection.
-void wxRichTextCtrl::GetSelection(long* from, long* to) const
-{
- *from = m_selectionRange.GetStart();
- *to = m_selectionRange.GetEnd();
- if ((*to) != -1 && (*to) != -2)
- (*to) ++;
+ if (HasSelection())
+ return SetStyleEx(GetSelectionRange(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY);
+ else
+ {
+ wxRichTextAttr current = GetDefaultStyleEx();
+ current.Apply(attr);
+ SetAndShowDefaultStyle(current);
+ }
+ return true;
}
-bool wxRichTextCtrl::IsEditable() const
+/// Apply italic to the selection
+bool wxRichTextCtrl::ApplyItalicToSelection()
{
- return m_editable;
-}
-
-// ----------------------------------------------------------------------------
-// selection
-// ----------------------------------------------------------------------------
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
+ attr.SetFontStyle(IsSelectionItalics() ? wxFONTSTYLE_NORMAL : wxFONTSTYLE_ITALIC);
-void wxRichTextCtrl::SetSelection(long from, long to)
-{
- // if from and to are both -1, it means (in wxWidgets) that all text should
- // be selected.
- if ( (from == -1) && (to == -1) )
+ if (HasSelection())
+ return SetStyleEx(GetSelectionRange(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY);
+ else
{
- from = 0;
- to = GetLastPosition()+1;
+ wxRichTextAttr current = GetDefaultStyleEx();
+ current.Apply(attr);
+ SetAndShowDefaultStyle(current);
}
-
- DoSetSelection(from, to);
-}
-
-void wxRichTextCtrl::DoSetSelection(long from, long to, bool WXUNUSED(scrollCaret))
-{
- m_selectionAnchor = from;
- m_selectionRange.SetRange(from, to-1);
- Refresh(false);
- PositionCaret();
+ return true;
}
-// ----------------------------------------------------------------------------
-// Editing
-// ----------------------------------------------------------------------------
-
-void wxRichTextCtrl::Replace(long WXUNUSED(from), long WXUNUSED(to), const wxString& value)
+/// Apply underline to the selection
+bool wxRichTextCtrl::ApplyUnderlineToSelection()
{
- BeginBatchUndo(_("Replace"));
-
- DeleteSelectedContent();
-
- DoWriteText(value, true /* selection only */);
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE);
+ attr.SetFontUnderlined(!IsSelectionUnderlined());
- EndBatchUndo();
+ if (HasSelection())
+ return SetStyleEx(GetSelectionRange(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY);
+ else
+ {
+ wxRichTextAttr current = GetDefaultStyleEx();
+ current.Apply(attr);
+ SetAndShowDefaultStyle(current);
+ }
+ return true;
}
-void wxRichTextCtrl::Remove(long from, long to)
+/// Apply the wxTextAttrEffects flag(s) to the selection, or the current caret position if there's no selection
+bool wxRichTextCtrl::ApplyTextEffectToSelection(int flags)
{
- SelectNone();
-
- GetBuffer().DeleteRangeWithUndo(wxRichTextRange(from, to),
- m_caretPosition, // Current caret position
- from, // New caret position
- this);
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_EFFECTS);
+ attr.SetTextEffectFlags(flags);
+ if (!DoesSelectionHaveTextEffectFlag(flags))
+ attr.SetTextEffects(flags);
+ else
+ attr.SetTextEffects(attr.GetTextEffectFlags() & ~flags);
- LayoutContent();
- if (!IsFrozen())
- Refresh(false);
+ if (HasSelection())
+ return SetStyleEx(GetSelectionRange(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY);
+ else
+ {
+ wxRichTextAttr current = GetDefaultStyleEx();
+ current.Apply(attr);
+ SetAndShowDefaultStyle(current);
+ }
+ return true;
}
-bool wxRichTextCtrl::IsModified() const
+/// Is all of the selection aligned according to the specified flag?
+bool wxRichTextCtrl::IsSelectionAligned(wxTextAttrAlignment alignment)
{
- return m_buffer.IsModified();
-}
+ wxRichTextRange range;
+ if (HasSelection())
+ range = GetSelectionRange();
+ else
+ range = wxRichTextRange(GetCaretPosition()+1, GetCaretPosition()+2);
-void wxRichTextCtrl::MarkDirty()
-{
- m_buffer.Modify(true);
-}
+ wxRichTextAttr attr;
+ attr.SetAlignment(alignment);
-void wxRichTextCtrl::DiscardEdits()
-{
- m_caretPositionForDefaultStyle = -2;
- m_buffer.Modify(false);
- m_buffer.GetCommandProcessor()->ClearCommands();
+ return HasParagraphAttributes(range, attr);
}
-int wxRichTextCtrl::GetNumberOfLines() const
+/// Apply alignment to the selection
+bool wxRichTextCtrl::ApplyAlignmentToSelection(wxTextAttrAlignment alignment)
{
- return GetBuffer().GetParagraphCount();
+ wxRichTextAttr attr;
+ attr.SetAlignment(alignment);
+ if (HasSelection())
+ return SetStyle(GetSelectionRange(), attr);
+ else
+ {
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphAtPosition(GetCaretPosition()+1);
+ if (para)
+ return SetStyleEx(para->GetRange().FromInternal(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY);
+ }
+ return true;
}
-// ----------------------------------------------------------------------------
-// Positions <-> coords
-// ----------------------------------------------------------------------------
-
-long wxRichTextCtrl::XYToPosition(long x, long y) const
+/// Apply a named style to the selection
+bool wxRichTextCtrl::ApplyStyle(wxRichTextStyleDefinition* def)
{
- return GetBuffer().XYToPosition(x, y);
-}
+ // Flags are defined within each definition, so only certain
+ // attributes are applied.
+ wxRichTextAttr attr(GetStyleSheet() ? def->GetStyleMergedWithBase(GetStyleSheet()) : def->GetStyle());
-bool wxRichTextCtrl::PositionToXY(long pos, long *x, long *y) const
-{
- return GetBuffer().PositionToXY(pos, x, y);
-}
+ int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_RESET;
-// ----------------------------------------------------------------------------
-//
-// ----------------------------------------------------------------------------
+ if (wxDynamicCast(def, wxRichTextListStyleDefinition))
+ {
+ flags |= wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY;
-void wxRichTextCtrl::ShowPosition(long pos)
-{
- if (!IsPositionVisible(pos))
- ScrollIntoView(pos-1, WXK_DOWN);
-}
+ wxRichTextRange range;
-int wxRichTextCtrl::GetLineLength(long lineNo) const
-{
- return GetBuffer().GetParagraphLength(lineNo);
-}
+ if (HasSelection())
+ range = GetSelectionRange();
+ else
+ {
+ long pos = GetAdjustedCaretPosition(GetCaretPosition());
+ range = wxRichTextRange(pos, pos+1);
+ }
-wxString wxRichTextCtrl::GetLineText(long lineNo) const
-{
- return GetBuffer().GetParagraphText(lineNo);
-}
+ return SetListStyle(range, (wxRichTextListStyleDefinition*) def, flags);
+ }
-// ----------------------------------------------------------------------------
-// Undo/redo
-// ----------------------------------------------------------------------------
+ bool isPara = false;
-void wxRichTextCtrl::Undo()
-{
- if (CanUndo())
+ // Make sure the attr has the style name
+ if (wxDynamicCast(def, wxRichTextParagraphStyleDefinition))
{
- GetCommandProcessor()->Undo();
+ isPara = true;
+ attr.SetParagraphStyleName(def->GetName());
+
+ // If applying a paragraph style, we only want the paragraph nodes to adopt these
+ // attributes, and not the leaf nodes. This will allow the content (e.g. text)
+ // to change its style independently.
+ flags |= wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY;
}
-}
+ else if (wxDynamicCast(def, wxRichTextCharacterStyleDefinition))
+ attr.SetCharacterStyleName(def->GetName());
+ else if (wxDynamicCast(def, wxRichTextBoxStyleDefinition))
+ attr.GetTextBoxAttr().SetBoxStyleName(def->GetName());
-void wxRichTextCtrl::Redo()
-{
- if (CanRedo())
+ if (wxDynamicCast(def, wxRichTextBoxStyleDefinition))
{
- GetCommandProcessor()->Redo();
+ if (GetFocusObject() && (GetFocusObject() != & GetBuffer()))
+ {
+ SetStyle(GetFocusObject(), attr);
+ return true;
+ }
+ else
+ return false;
}
-}
+ else if (HasSelection())
+ return SetStyleEx(GetSelectionRange(), attr, flags);
+ else
+ {
+ wxRichTextAttr current = GetDefaultStyleEx();
+ wxRichTextAttr defaultStyle(attr);
+ if (isPara)
+ {
+ // Don't apply extra character styles since they are already implied
+ // in the paragraph style
+ defaultStyle.SetFlags(defaultStyle.GetFlags() & ~wxTEXT_ATTR_CHARACTER);
+ }
+ current.Apply(defaultStyle);
+ SetAndShowDefaultStyle(current);
-bool wxRichTextCtrl::CanUndo() const
-{
- return GetCommandProcessor()->CanUndo();
+ // If it's a paragraph style, we want to apply the style to the
+ // current paragraph even if we didn't select any text.
+ if (isPara)
+ {
+ long pos = GetAdjustedCaretPosition(GetCaretPosition());
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphAtPosition(pos);
+ if (para)
+ {
+ return SetStyleEx(para->GetRange().FromInternal(), attr, flags);
+ }
+ }
+ return true;
+ }
}
-bool wxRichTextCtrl::CanRedo() const
+/// Apply the style sheet to the buffer, for example if the styles have changed.
+bool wxRichTextCtrl::ApplyStyleSheet(wxRichTextStyleSheet* styleSheet)
{
- return GetCommandProcessor()->CanRedo();
-}
-
-// ----------------------------------------------------------------------------
-// implementation details
-// ----------------------------------------------------------------------------
+ if (!styleSheet)
+ styleSheet = GetBuffer().GetStyleSheet();
+ if (!styleSheet)
+ return false;
-void wxRichTextCtrl::Command(wxCommandEvent& event)
-{
- SetValue(event.GetString());
- GetEventHandler()->ProcessEvent(event);
+ if (GetBuffer().ApplyStyleSheet(styleSheet))
+ {
+ GetBuffer().Invalidate(wxRICHTEXT_ALL);
+ Refresh(false);
+ return true;
+ }
+ else
+ return false;
}
-void wxRichTextCtrl::OnDropFiles(wxDropFilesEvent& event)
+/// Sets the default style to the style under the cursor
+bool wxRichTextCtrl::SetDefaultStyleToCursorStyle()
{
- // By default, load the first file into the text window.
- if (event.GetNumberOfFiles() > 0)
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_CHARACTER);
+
+ // If at the start of a paragraph, use the next position.
+ long pos = GetAdjustedCaretPosition(GetCaretPosition());
+
+ wxRichTextObject* obj = GetFocusObject()->GetLeafObjectAtPosition(pos);
+ if (obj && obj->IsTopLevel())
+ {
+ // Don't use the attributes of a top-level object, since they might apply
+ // to content of the object, e.g. background colour.
+ SetDefaultStyle(wxRichTextAttr());
+ return true;
+ }
+ else if (GetUncombinedStyle(pos, attr))
{
- LoadFile(event.GetFiles()[0]);
+ SetDefaultStyle(attr);
+ return true;
}
-}
-// ----------------------------------------------------------------------------
-// text control event processing
-// ----------------------------------------------------------------------------
+ return false;
+}
-bool wxRichTextCtrl::SendUpdateEvent()
+/// Returns the first visible position in the current view
+long wxRichTextCtrl::GetFirstVisiblePosition() const
{
- wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
- InitCommandEvent(event);
-
- return GetEventHandler()->ProcessEvent(event);
+ wxRichTextLine* line = GetFocusObject()->GetLineAtYPosition(GetUnscaledPoint(GetLogicalPoint(wxPoint(0, 0))).y);
+ if (line)
+ return line->GetAbsoluteRange().GetStart();
+ else
+ return 0;
}
-void wxRichTextCtrl::InitCommandEvent(wxCommandEvent& event) const
+/// Get the first visible point in the window
+wxPoint wxRichTextCtrl::GetFirstVisiblePoint() const
{
- event.SetEventObject((wxControlBase *)this); // const_cast
-
- switch ( m_clientDataType )
- {
- case wxClientData_Void:
- event.SetClientData(GetClientData());
- break;
+ int ppuX, ppuY;
+ int startXUnits, startYUnits;
- case wxClientData_Object:
- event.SetClientObject(GetClientObject());
- break;
+ GetScrollPixelsPerUnit(& ppuX, & ppuY);
+ GetViewStart(& startXUnits, & startYUnits);
- case wxClientData_None:
- // nothing to do
- ;
- }
+ return wxPoint(startXUnits * ppuX, startYUnits * ppuY);
}
-
-wxSize wxRichTextCtrl::DoGetBestSize() const
+/// The adjusted caret position is the character position adjusted to take
+/// into account whether we're at the start of a paragraph, in which case
+/// style information should be taken from the next position, not current one.
+long wxRichTextCtrl::GetAdjustedCaretPosition(long caretPos) const
{
- return wxSize(10, 10);
-}
+ wxRichTextParagraph* para = GetFocusObject()->GetParagraphAtPosition(caretPos+1);
-// ----------------------------------------------------------------------------
-// standard handlers for standard edit menu events
-// ----------------------------------------------------------------------------
-
-void wxRichTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
-{
- Cut();
+ if (para && (caretPos+1 == para->GetRange().GetStart()))
+ caretPos ++;
+ return caretPos;
}
-void wxRichTextCtrl::OnClear(wxCommandEvent& WXUNUSED(event))
+/// Get/set the selection range in character positions. -1, -1 means no selection.
+/// The range is in API convention, i.e. a single character selection is denoted
+/// by (n, n+1)
+wxRichTextRange wxRichTextCtrl::GetSelectionRange() const
{
- DeleteSelection();
+ wxRichTextRange range = GetInternalSelectionRange();
+ if (range != wxRichTextRange(-2,-2) && range != wxRichTextRange(-1,-1))
+ range.SetEnd(range.GetEnd() + 1);
+ return range;
}
-void wxRichTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
+void wxRichTextCtrl::SetSelectionRange(const wxRichTextRange& range)
{
- Copy();
+ SetSelection(range.GetStart(), range.GetEnd());
}
-void wxRichTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
+/// Set list style
+bool wxRichTextCtrl::SetListStyle(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
{
- Paste();
+ return GetFocusObject()->SetListStyle(range.ToInternal(), def, flags, startFrom, specifiedLevel);
}
-void wxRichTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
+bool wxRichTextCtrl::SetListStyle(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel)
{
- Undo();
+ return GetFocusObject()->SetListStyle(range.ToInternal(), defName, flags, startFrom, specifiedLevel);
}
-void wxRichTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
+/// Clear list for given range
+bool wxRichTextCtrl::ClearListStyle(const wxRichTextRange& range, int flags)
{
- Redo();
+ return GetFocusObject()->ClearListStyle(range.ToInternal(), flags);
}
-void wxRichTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
+/// Number/renumber any list elements in the given range
+bool wxRichTextCtrl::NumberList(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
{
- event.Enable( CanCut() );
+ return GetFocusObject()->NumberList(range.ToInternal(), def, flags, startFrom, specifiedLevel);
}
-void wxRichTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
+bool wxRichTextCtrl::NumberList(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel)
{
- event.Enable( CanCopy() );
+ return GetFocusObject()->NumberList(range.ToInternal(), defName, flags, startFrom, specifiedLevel);
}
-void wxRichTextCtrl::OnUpdateClear(wxUpdateUIEvent& event)
+/// Promote the list items within the given range. promoteBy can be a positive or negative number, e.g. 1 or -1
+bool wxRichTextCtrl::PromoteList(int promoteBy, const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int specifiedLevel)
{
- event.Enable( CanDeleteSelection() );
+ return GetFocusObject()->PromoteList(promoteBy, range.ToInternal(), def, flags, specifiedLevel);
}
-void wxRichTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
+bool wxRichTextCtrl::PromoteList(int promoteBy, const wxRichTextRange& range, const wxString& defName, int flags, int specifiedLevel)
{
- event.Enable( CanPaste() );
+ return GetFocusObject()->PromoteList(promoteBy, range.ToInternal(), defName, flags, specifiedLevel);
}
-void wxRichTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
+// Given a character position at which there is a list style, find the range
+// encompassing the same list style by looking backwards and forwards.
+wxRichTextRange wxRichTextCtrl::FindRangeForList(long pos, bool& isNumberedList)
{
- event.Enable( CanUndo() );
- event.SetText( GetCommandProcessor()->GetUndoMenuLabel() );
-}
+ wxRichTextParagraphLayoutBox* focusObject = GetFocusObject();
+ wxRichTextRange range = wxRichTextRange(-1, -1);
+ wxRichTextParagraph* para = focusObject->GetParagraphAtPosition(pos);
+ if (!para || !para->GetAttributes().HasListStyleName())
+ return range;
+ else
+ {
+ wxString listStyle = para->GetAttributes().GetListStyleName();
+ range = para->GetRange();
-void wxRichTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
-{
- event.Enable( CanRedo() );
- event.SetText( GetCommandProcessor()->GetRedoMenuLabel() );
-}
+ isNumberedList = para->GetAttributes().HasBulletNumber();
-void wxRichTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
-{
- SelectAll();
-}
+ // Search back
+ wxRichTextObjectList::compatibility_iterator initialNode = focusObject->GetChildren().Find(para);
+ if (initialNode)
+ {
+ wxRichTextObjectList::compatibility_iterator startNode = initialNode->GetPrevious();
+ while (startNode)
+ {
+ wxRichTextParagraph* p = wxDynamicCast(startNode->GetData(), wxRichTextParagraph);
+ if (p)
+ {
+ if (!p->GetAttributes().HasListStyleName() || p->GetAttributes().GetListStyleName() != listStyle)
+ break;
+ else
+ range.SetStart(p->GetRange().GetStart());
+ }
-void wxRichTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
-{
- event.Enable(GetLastPosition() > 0);
-}
+ startNode = startNode->GetPrevious();
+ }
-void wxRichTextCtrl::OnContextMenu(wxContextMenuEvent& WXUNUSED(event))
-{
- if (!m_contextMenu)
- {
- m_contextMenu = new wxMenu;
- m_contextMenu->Append(wxID_UNDO, _("&Undo"));
- m_contextMenu->Append(wxID_REDO, _("&Redo"));
- m_contextMenu->AppendSeparator();
- m_contextMenu->Append(wxID_CUT, _("Cu&t"));
- m_contextMenu->Append(wxID_COPY, _("&Copy"));
- m_contextMenu->Append(wxID_PASTE, _("&Paste"));
- m_contextMenu->Append(wxID_CLEAR, _("&Delete"));
- m_contextMenu->AppendSeparator();
- m_contextMenu->Append(wxID_SELECTALL, _("Select &All"));
- }
- PopupMenu(m_contextMenu);
- return;
-}
+ // Search forward
+ wxRichTextObjectList::compatibility_iterator endNode = initialNode->GetNext();
+ while (endNode)
+ {
+ wxRichTextParagraph* p = wxDynamicCast(endNode->GetData(), wxRichTextParagraph);
+ if (p)
+ {
+ if (!p->GetAttributes().HasListStyleName() || p->GetAttributes().GetListStyleName() != listStyle)
+ break;
+ else
+ range.SetEnd(p->GetRange().GetEnd());
+ }
-bool wxRichTextCtrl::SetStyle(long start, long end, const wxTextAttrEx& style)
-{
- return GetBuffer().SetStyle(wxRichTextRange(start, end-1), style);
+ endNode = endNode->GetNext();
+ }
+ }
+ }
+ return range;
}
-bool wxRichTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
+/// Deletes the content in the given range
+bool wxRichTextCtrl::Delete(const wxRichTextRange& range)
{
- return GetBuffer().SetStyle(wxRichTextRange(start, end-1), wxTextAttrEx(style));
+ return GetFocusObject()->DeleteRangeWithUndo(range.ToInternal(), this, & GetBuffer());
}
-bool wxRichTextCtrl::SetStyle(const wxRichTextRange& range, const wxRichTextAttr& style)
+const wxArrayString& wxRichTextCtrl::GetAvailableFontNames()
{
- return GetBuffer().SetStyle(range.ToInternal(), style);
+ if (sm_availableFontNames.GetCount() == 0)
+ {
+ sm_availableFontNames = wxFontEnumerator::GetFacenames();
+ sm_availableFontNames.Sort();
+ }
+ return sm_availableFontNames;
}
-bool wxRichTextCtrl::SetDefaultStyle(const wxTextAttrEx& style)
+void wxRichTextCtrl::ClearAvailableFontNames()
{
- return GetBuffer().SetDefaultStyle(style);
+ sm_availableFontNames.Clear();
}
-bool wxRichTextCtrl::SetDefaultStyle(const wxTextAttr& style)
+void wxRichTextCtrl::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
{
- return GetBuffer().SetDefaultStyle(wxTextAttrEx(style));
-}
+ //wxLogDebug(wxT("wxRichTextCtrl::OnSysColourChanged"));
-const wxTextAttrEx& wxRichTextCtrl::GetDefaultStyleEx() const
-{
- return GetBuffer().GetDefaultStyle();
-}
+ wxTextAttrEx basicStyle = GetBasicStyle();
+ basicStyle.SetTextColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
+ SetBasicStyle(basicStyle);
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
-const wxTextAttr& wxRichTextCtrl::GetDefaultStyle() const
-{
- return GetBuffer().GetDefaultStyle();
+ Refresh();
}
-bool wxRichTextCtrl::GetStyle(long position, wxTextAttr& style) const
+// Refresh the area affected by a selection change
+bool wxRichTextCtrl::RefreshForSelectionChange(const wxRichTextSelection& oldSelection, const wxRichTextSelection& newSelection)
{
- wxTextAttrEx attr;
- if (GetBuffer().GetStyle(position, attr))
+ // If the selection is not part of the focus object, or we have multiple ranges, then the chances are that
+ // the selection contains whole containers rather than just text, so refresh everything
+ // for now as it would be hard to compute the rectangle bounding all selections.
+ // TODO: improve on this.
+ if ((oldSelection.IsValid() && (oldSelection.GetContainer() != GetFocusObject() || oldSelection.GetCount() > 1)) ||
+ (newSelection.IsValid() && (newSelection.GetContainer() != GetFocusObject() || newSelection.GetCount() > 1)))
{
- style = attr;
+ Refresh(false);
return true;
}
+
+ wxRichTextRange oldRange, newRange;
+ if (oldSelection.IsValid())
+ oldRange = oldSelection.GetRange();
+ else
+ oldRange = wxRICHTEXT_NO_SELECTION;
+ if (newSelection.IsValid())
+ newRange = newSelection.GetRange();
else
+ newRange = wxRICHTEXT_NO_SELECTION;
+
+ // Calculate the refresh rectangle - just the affected lines
+ long firstPos, lastPos;
+ if (oldRange.GetStart() == -2 && newRange.GetStart() != -2)
+ {
+ firstPos = newRange.GetStart();
+ lastPos = newRange.GetEnd();
+ }
+ else if (oldRange.GetStart() != -2 && newRange.GetStart() == -2)
+ {
+ firstPos = oldRange.GetStart();
+ lastPos = oldRange.GetEnd();
+ }
+ else if (oldRange.GetStart() == -2 && newRange.GetStart() == -2)
+ {
return false;
+ }
+ else
+ {
+ firstPos = wxMin(oldRange.GetStart(), newRange.GetStart());
+ lastPos = wxMax(oldRange.GetEnd(), newRange.GetEnd());
+ }
+
+ wxRichTextLine* firstLine = GetFocusObject()->GetLineAtPosition(firstPos);
+ wxRichTextLine* lastLine = GetFocusObject()->GetLineAtPosition(lastPos);
+
+ if (firstLine && lastLine)
+ {
+ wxSize clientSize = GetClientSize();
+ wxPoint pt1 = GetPhysicalPoint(GetScaledPoint(firstLine->GetAbsolutePosition()));
+ wxPoint pt2 = GetPhysicalPoint(GetScaledPoint(lastLine->GetAbsolutePosition())) + wxPoint(0, (int) (0.5 + lastLine->GetSize().y * GetScale()));
+
+ pt1.x = 0;
+ pt1.y = wxMax(0, pt1.y);
+ pt2.x = 0;
+ pt2.y = wxMin(clientSize.y, pt2.y);
+
+ wxRect rect(pt1, wxSize(clientSize.x, pt2.y - pt1.y));
+ RefreshRect(rect, false);
+ }
+ else
+ Refresh(false);
+
+ return true;
}
-bool wxRichTextCtrl::GetStyle(long position, wxTextAttrEx& style) const
+// margins functions
+bool wxRichTextCtrl::DoSetMargins(const wxPoint& pt)
{
- return GetBuffer().GetStyle(position, style);
+ GetBuffer().GetAttributes().GetTextBoxAttr().GetMargins().GetLeft().SetValue(pt.x, wxTEXT_ATTR_UNITS_PIXELS);
+ GetBuffer().GetAttributes().GetTextBoxAttr().GetMargins().GetRight().SetValue(pt.x, wxTEXT_ATTR_UNITS_PIXELS);
+ GetBuffer().GetAttributes().GetTextBoxAttr().GetMargins().GetTop().SetValue(pt.y, wxTEXT_ATTR_UNITS_PIXELS);
+ GetBuffer().GetAttributes().GetTextBoxAttr().GetMargins().GetBottom().SetValue(pt.y, wxTEXT_ATTR_UNITS_PIXELS);
+
+ return true;
}
-bool wxRichTextCtrl::GetStyle(long position, wxRichTextAttr& style) const
+wxPoint wxRichTextCtrl::DoGetMargins() const
{
- return GetBuffer().GetStyle(position, style);
+ return wxPoint(GetBuffer().GetAttributes().GetTextBoxAttr().GetMargins().GetLeft().GetValue(),
+ GetBuffer().GetAttributes().GetTextBoxAttr().GetMargins().GetTop().GetValue());
}
-/// Set font, and also the buffer attributes
-bool wxRichTextCtrl::SetFont(const wxFont& font)
+bool wxRichTextCtrl::SetFocusObject(wxRichTextParagraphLayoutBox* obj, bool setCaretPosition)
{
-#if wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
- wxControl::SetFont(font);
-#else
- wxScrolledWindow::SetFont(font);
-#endif
+ if (obj && !obj->AcceptsFocus())
+ return false;
- wxTextAttrEx attr = GetBuffer().GetAttributes();
- attr.SetFont(font);
- GetBuffer().SetBasicStyle(attr);
- GetBuffer().SetDefaultStyle(attr);
+ wxRichTextParagraphLayoutBox* oldContainer = GetFocusObject();
+ bool changingContainer = (m_focusObject != obj);
- return true;
-}
+ if (changingContainer && HasSelection())
+ SelectNone();
-/// Transform logical to physical
-wxPoint wxRichTextCtrl::GetPhysicalPoint(const wxPoint& ptLogical) const
-{
- wxPoint pt;
- CalcScrolledPosition(ptLogical.x, ptLogical.y, & pt.x, & pt.y);
+ m_focusObject = obj;
- return pt;
-}
+ if (!obj)
+ m_focusObject = & m_buffer;
-/// Transform physical to logical
-wxPoint wxRichTextCtrl::GetLogicalPoint(const wxPoint& ptPhysical) const
-{
- wxPoint pt;
- CalcUnscrolledPosition(ptPhysical.x, ptPhysical.y, & pt.x, & pt.y);
+ if (setCaretPosition && changingContainer)
+ {
+ m_selection.Reset();
+ m_selectionAnchor = -2;
+ m_selectionAnchorObject = NULL;
+ m_selectionState = wxRichTextCtrlSelectionState_Normal;
- return pt;
+ long pos = -1;
+
+ m_caretAtLineStart = false;
+ MoveCaret(pos, m_caretAtLineStart);
+ SetDefaultStyleToCursorStyle();
+
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_FOCUS_OBJECT_CHANGED,
+ GetId());
+ cmdEvent.SetEventObject(this);
+ cmdEvent.SetPosition(m_caretPosition+1);
+ cmdEvent.SetOldContainer(oldContainer);
+ cmdEvent.SetContainer(m_focusObject);
+
+ GetEventHandler()->ProcessEvent(cmdEvent);
+ }
+ return true;
}
-/// Position the caret
-void wxRichTextCtrl::PositionCaret()
+#if wxUSE_DRAG_AND_DROP
+void wxRichTextCtrl::OnDrop(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxDragResult def, wxDataObject* DataObj)
{
- if (!GetCaret())
+ m_preDrag = false;
+
+ if ((def != wxDragCopy) && (def != wxDragMove))
+ {
return;
+ }
- //wxLogDebug(wxT("PositionCaret"));
+ if (!GetSelection().IsValid())
+ {
+ return;
+ }
- wxRect caretRect;
- if (GetCaretPositionForIndex(GetCaretPosition(), caretRect))
+ wxRichTextParagraphLayoutBox* originContainer = GetSelection().GetContainer();
+ wxRichTextParagraphLayoutBox* destContainer = GetFocusObject(); // This will be the drop container, not necessarily the same as the origin one
+
+ wxRichTextBuffer* richTextBuffer = ((wxRichTextBufferDataObject*)DataObj)->GetRichTextBuffer();
+ if (richTextBuffer)
{
- wxPoint originalPt = caretRect.GetPosition();
- wxPoint pt = GetPhysicalPoint(originalPt);
- if (GetCaret()->GetPosition() != pt)
+ long position = GetCaretPosition();
+ wxRichTextRange selectionrange = GetInternalSelectionRange();
+ if (selectionrange.Contains(position) && (def == wxDragMove))
{
- GetCaret()->Move(pt);
- GetCaret()->SetSize(caretRect.GetSize());
+ // It doesn't make sense to move onto itself
+ return;
+ }
+
+ // If we're moving, and the data is being moved forward, we need to drop first, then delete the selection
+ // If moving backwards, we need to delete then drop. If we're copying (or doing nothing) we don't delete anyway
+ bool DeleteAfter = (def == wxDragMove) && (position > selectionrange.GetEnd());
+ if ((def == wxDragMove) && !DeleteAfter)
+ {
+ // We can't use e.g. DeleteSelectedContent() as it uses the focus container
+ originContainer->DeleteRangeWithUndo(selectionrange, this, &GetBuffer());
+ }
+
+ destContainer->InsertParagraphsWithUndo(&GetBuffer(), position+1, *richTextBuffer, this, 0);
+ ShowPosition(position + richTextBuffer->GetOwnRange().GetEnd());
+
+ delete richTextBuffer;
+
+ if (DeleteAfter)
+ {
+ // We can't use e.g. DeleteSelectedContent() as it uses the focus container
+ originContainer->DeleteRangeWithUndo(selectionrange, this, &GetBuffer());
}
+
+ SelectNone();
+ Refresh();
}
}
+#endif // wxUSE_DRAG_AND_DROP
-/// Get the caret height and position for the given character position
-bool wxRichTextCtrl::GetCaretPositionForIndex(long position, wxRect& rect)
+
+#if wxUSE_DRAG_AND_DROP
+bool wxRichTextDropSource::GiveFeedback(wxDragResult WXUNUSED(effect))
{
- wxClientDC dc(this);
- dc.SetFont(GetFont());
+ wxCHECK_MSG(m_rtc, false, wxT("NULL m_rtc"));
- PrepareDC(dc);
+ long position = 0;
+ int hit = 0;
+ wxRichTextObject* hitObj = NULL;
+ wxRichTextParagraphLayoutBox* container = m_rtc->FindContainerAtPoint(m_rtc->GetUnscaledPoint(m_rtc->ScreenToClient(wxGetMousePosition())), position, hit, hitObj);
- wxPoint pt;
- int height = 0;
+ if (!(hit & wxRICHTEXT_HITTEST_NONE) && container && container->AcceptsFocus())
+ {
+ m_rtc->StoreFocusObject(container);
+ m_rtc->SetCaretPositionAfterClick(container, position, hit);
+ }
+
+ return false; // so that the base-class sets a cursor
+}
+#endif // wxUSE_DRAG_AND_DROP
+
+bool wxRichTextCtrl::CanDeleteRange(wxRichTextParagraphLayoutBox& WXUNUSED(container), const wxRichTextRange& WXUNUSED(range)) const
+{
+ return true;
+}
+
+bool wxRichTextCtrl::CanInsertContent(wxRichTextParagraphLayoutBox& WXUNUSED(container), long WXUNUSED(pos)) const
+{
+ return true;
+}
+
+void wxRichTextCtrl::EnableVerticalScrollbar(bool enable)
+{
+ m_verticalScrollbarEnabled = enable;
+ SetupScrollbars();
+}
- if (GetBuffer().FindPosition(dc, position, pt, & height, m_caretAtLineStart))
+void wxRichTextCtrl::SetFontScale(double fontScale, bool refresh)
+{
+ GetBuffer().SetFontScale(fontScale);
+ if (refresh)
{
- rect = wxRect(pt, wxSize(wxRICHTEXT_DEFAULT_CARET_WIDTH, height));
- return true;
+ GetBuffer().Invalidate(wxRICHTEXT_ALL);
+ Refresh();
}
+}
- return false;
+void wxRichTextCtrl::SetDimensionScale(double dimScale, bool refresh)
+{
+ GetBuffer().SetDimensionScale(dimScale);
+ if (refresh)
+ {
+ GetBuffer().Invalidate(wxRICHTEXT_ALL);
+ Refresh();
+ }
}
-/// Gets the line for the visible caret position. If the caret is
-/// shown at the very end of the line, it means the next character is actually
-/// on the following line. So let's get the line we're expecting to find
-/// if this is the case.
-wxRichTextLine* wxRichTextCtrl::GetVisibleLineForCaretPosition(long caretPosition) const
+// Sets an overall scale factor for displaying and editing the content.
+void wxRichTextCtrl::SetScale(double scale, bool refresh)
{
- wxRichTextLine* line = GetBuffer().GetLineAtPosition(caretPosition, true);
- wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(caretPosition, true);
- if (line)
+ m_scale = scale;
+ if (refresh)
{
- wxRichTextRange lineRange = line->GetAbsoluteRange();
- if (caretPosition == lineRange.GetStart()-1 &&
- (para->GetRange().GetStart() != lineRange.GetStart()))
- {
- if (!m_caretAtLineStart)
- line = GetBuffer().GetLineAtPosition(caretPosition-1, true);
- }
+ GetBuffer().Invalidate(wxRICHTEXT_ALL);
+ Refresh();
}
- return line;
}
-
-/// Move the caret to the given character position
-bool wxRichTextCtrl::MoveCaret(long pos, bool showAtLineStart)
+// Get an unscaled point
+wxPoint wxRichTextCtrl::GetUnscaledPoint(const wxPoint& pt) const
+{
+ if (GetScale() == 1.0)
+ return pt;
+ else
+ return wxPoint((int) (0.5 + double(pt.x) / GetScale()), (int) (0.5 + double(pt.y) / GetScale()));
+}
+
+// Get a scaled point
+wxPoint wxRichTextCtrl::GetScaledPoint(const wxPoint& pt) const
+{
+ if (GetScale() == 1.0)
+ return pt;
+ else
+ return wxPoint((int) (0.5 + double(pt.x) * GetScale()), (int) (0.5 + double(pt.y) * GetScale()));
+}
+
+// Get an unscaled size
+wxSize wxRichTextCtrl::GetUnscaledSize(const wxSize& sz) const
{
- if (GetBuffer().GetDirty())
- LayoutContent();
-
- if (pos <= GetBuffer().GetRange().GetEnd())
- {
- SetCaretPosition(pos, showAtLineStart);
-
- PositionCaret();
+ if (GetScale() == 1.0)
+ return sz;
+ else
+ return wxSize((int) (0.5 + double(sz.x) / GetScale()), (int) (0.5 + double(sz.y) / GetScale()));
+}
- return true;
- }
+// Get a scaled size
+wxSize wxRichTextCtrl::GetScaledSize(const wxSize& sz) const
+{
+ if (GetScale() == 1.0)
+ return sz;
else
- return false;
+ return wxSize((int) (0.5 + double(sz.x) * GetScale()), (int) (0.5 + double(sz.y) * GetScale()));
}
-/// Layout the buffer: which we must do before certain operations, such as
-/// setting the caret position.
-bool wxRichTextCtrl::LayoutContent(bool onlyVisibleRect)
+// Get an unscaled rect
+wxRect wxRichTextCtrl::GetUnscaledRect(const wxRect& rect) const
{
- if (GetBuffer().GetDirty() || onlyVisibleRect)
- {
- wxRect availableSpace(GetClientSize());
- if (availableSpace.width == 0)
- availableSpace.width = 10;
- if (availableSpace.height == 0)
- availableSpace.height = 10;
+ if (GetScale() == 1.0)
+ return rect;
+ else
+ return wxRect((int) (0.5 + double(rect.x) / GetScale()), (int) (0.5 + double(rect.y) / GetScale()),
+ (int) (0.5 + double(rect.width) / GetScale()), (int) (0.5 + double(rect.height) / GetScale()));
+}
- int flags = wxRICHTEXT_FIXED_WIDTH|wxRICHTEXT_VARIABLE_HEIGHT;
- if (onlyVisibleRect)
- {
- flags |= wxRICHTEXT_LAYOUT_SPECIFIED_RECT;
- availableSpace.SetPosition(GetLogicalPoint(wxPoint(0, 0)));
- }
+// Get a scaled rect
+wxRect wxRichTextCtrl::GetScaledRect(const wxRect& rect) const
+{
+ if (GetScale() == 1.0)
+ return rect;
+ else
+ return wxRect((int) (0.5 + double(rect.x) * GetScale()), (int) (0.5 + double(rect.y) * GetScale()),
+ (int) (0.5 + double(rect.width) * GetScale()), (int) (0.5 + double(rect.height) * GetScale()));
+}
- wxClientDC dc(this);
- dc.SetFont(GetFont());
+#if wxRICHTEXT_USE_OWN_CARET
- PrepareDC(dc);
+// ----------------------------------------------------------------------------
+// initialization and destruction
+// ----------------------------------------------------------------------------
- GetBuffer().Defragment();
- GetBuffer().UpdateRanges(); // If items were deleted, ranges need recalculation
- GetBuffer().Layout(dc, availableSpace, flags);
- GetBuffer().SetDirty(false);
+void wxRichTextCaret::Init()
+{
+ m_hasFocus = true;
+ m_refreshEnabled = true;
- if (!IsFrozen())
- SetupScrollbars();
- }
+ m_xOld =
+ m_yOld = -1;
+ m_richTextCtrl = NULL;
+ m_needsUpdate = false;
+ m_flashOn = true;
+}
- return true;
+wxRichTextCaret::~wxRichTextCaret()
+{
+ if (m_timer.IsRunning())
+ m_timer.Stop();
}
-/// Is all of the selection bold?
-bool wxRichTextCtrl::IsSelectionBold() const
+// ----------------------------------------------------------------------------
+// showing/hiding/moving the caret (base class interface)
+// ----------------------------------------------------------------------------
+
+void wxRichTextCaret::DoShow()
{
- if (HasSelection())
- {
- wxRichTextAttr attr;
- wxRichTextRange range = GetInternalSelectionRange();
- attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
- attr.SetFontWeight(wxBOLD);
+ m_flashOn = true;
- return HasCharacterAttributes(range, attr);
- }
- else
- {
- // If no selection, then we need to combine current style with default style
- // to see what the effect would be if we started typing.
- wxRichTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
+ if (!m_timer.IsRunning())
+ m_timer.Start(GetBlinkTime());
- long pos = GetAdjustedCaretPosition(GetCaretPosition());
- if (GetStyle(pos, attr))
- {
- if (IsDefaultStyleShowing())
- wxRichTextApplyStyle(attr, GetDefaultStyleEx());
- return attr.GetFontWeight() == wxBOLD;
- }
- }
- return false;
+ Refresh();
}
-/// Is all of the selection italics?
-bool wxRichTextCtrl::IsSelectionItalics() const
+void wxRichTextCaret::DoHide()
{
- if (HasSelection())
- {
- wxRichTextRange range = GetInternalSelectionRange();
- wxRichTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
- attr.SetFontStyle(wxITALIC);
+ if (m_timer.IsRunning())
+ m_timer.Stop();
- return HasCharacterAttributes(range, attr);
- }
- else
+ Refresh();
+}
+
+void wxRichTextCaret::DoMove()
+{
+ if (IsVisible())
{
- // If no selection, then we need to combine current style with default style
- // to see what the effect would be if we started typing.
- wxRichTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
+ Refresh();
- long pos = GetAdjustedCaretPosition(GetCaretPosition());
- if (GetStyle(pos, attr))
+ if (m_xOld != -1 && m_yOld != -1)
{
- if (IsDefaultStyleShowing())
- wxRichTextApplyStyle(attr, GetDefaultStyleEx());
- return attr.GetFontStyle() == wxITALIC;
+ if (m_richTextCtrl && m_refreshEnabled)
+ {
+ wxRect rect(wxPoint(m_xOld, m_yOld), GetSize());
+ wxRect scaledRect = m_richTextCtrl->GetScaledRect(rect);
+ m_richTextCtrl->RefreshRect(scaledRect, false);
+ }
}
}
- return false;
+
+ m_xOld = m_x;
+ m_yOld = m_y;
}
-/// Is all of the selection underlined?
-bool wxRichTextCtrl::IsSelectionUnderlined() const
+void wxRichTextCaret::DoSize()
{
- if (HasSelection())
+ int countVisible = m_countVisible;
+ if (countVisible > 0)
{
- wxRichTextRange range = GetInternalSelectionRange();
- wxRichTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE);
- attr.SetFontUnderlined(true);
-
- return HasCharacterAttributes(range, attr);
+ m_countVisible = 0;
+ DoHide();
}
- else
- {
- // If no selection, then we need to combine current style with default style
- // to see what the effect would be if we started typing.
- wxRichTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE);
- long pos = GetAdjustedCaretPosition(GetCaretPosition());
- if (GetStyle(pos, attr))
- {
- if (IsDefaultStyleShowing())
- wxRichTextApplyStyle(attr, GetDefaultStyleEx());
- return attr.GetFontUnderlined();
- }
+ if (countVisible > 0)
+ {
+ m_countVisible = countVisible;
+ DoShow();
}
- return false;
}
-/// Apply bold to the selection
-bool wxRichTextCtrl::ApplyBoldToSelection()
-{
- wxRichTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
- attr.SetFontWeight(IsSelectionBold() ? wxNORMAL : wxBOLD);
-
- if (HasSelection())
- return SetStyle(GetSelectionRange(), attr);
- else
- SetAndShowDefaultStyle(attr);
- return true;
-}
+// ----------------------------------------------------------------------------
+// handling the focus
+// ----------------------------------------------------------------------------
-/// Apply italic to the selection
-bool wxRichTextCtrl::ApplyItalicToSelection()
+void wxRichTextCaret::OnSetFocus()
{
- wxRichTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
- attr.SetFontStyle(IsSelectionItalics() ? wxNORMAL : wxITALIC);
+ m_hasFocus = true;
- if (HasSelection())
- return SetStyle(GetSelectionRange(), attr);
- else
- SetAndShowDefaultStyle(attr);
- return true;
+ if ( IsVisible() )
+ Refresh();
}
-/// Apply underline to the selection
-bool wxRichTextCtrl::ApplyUnderlineToSelection()
+void wxRichTextCaret::OnKillFocus()
{
- wxRichTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE);
- attr.SetFontUnderlined(!IsSelectionUnderlined());
-
- if (HasSelection())
- return SetStyle(GetSelectionRange(), attr);
- else
- SetAndShowDefaultStyle(attr);
- return true;
+ m_hasFocus = false;
}
-/// Is all of the selection aligned according to the specified flag?
-bool wxRichTextCtrl::IsSelectionAligned(wxTextAttrAlignment alignment) const
-{
- if (HasSelection())
- {
- wxRichTextRange range = GetInternalSelectionRange();
- wxRichTextAttr attr;
- attr.SetAlignment(alignment);
+// ----------------------------------------------------------------------------
+// drawing the caret
+// ----------------------------------------------------------------------------
- return HasParagraphAttributes(range, attr);
- }
- else
+void wxRichTextCaret::Refresh()
+{
+ if (m_richTextCtrl && m_refreshEnabled)
{
- // If no selection, then we need to get information from the current paragraph.
- wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(GetCaretPosition()+1);
- if (para)
- return para->GetAttributes().GetAlignment() == alignment;
+ wxRect rect(GetPosition(), GetSize());
+ wxRect rectScaled = m_richTextCtrl->GetScaledRect(rect);
+ m_richTextCtrl->RefreshRect(rectScaled, false);
}
- return false;
}
-/// Apply alignment to the selection
-bool wxRichTextCtrl::ApplyAlignmentToSelection(wxTextAttrAlignment alignment)
+void wxRichTextCaret::DoDraw(wxDC *dc)
{
- wxRichTextAttr attr;
- attr.SetAlignment(alignment);
- if (HasSelection())
- return SetStyle(GetSelectionRange(), attr);
- else
+ dc->SetPen( *wxBLACK_PEN );
+
+ dc->SetBrush(*(m_hasFocus ? wxBLACK_BRUSH : wxTRANSPARENT_BRUSH));
+ dc->SetPen(*wxBLACK_PEN);
+
+ wxPoint pt(m_x, m_y);
+
+ if (m_richTextCtrl)
{
- wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(GetCaretPosition()+1);
- if (para)
- return SetStyle(para->GetRange().FromInternal(), attr);
+ pt = m_richTextCtrl->GetLogicalPoint(pt);
}
- return true;
+ if (IsVisible() && m_flashOn)
+ dc->DrawRectangle(pt.x, pt.y, m_width, m_height);
}
-/// Apply a named style to the selection
-void wxRichTextCtrl::ApplyStyle(wxRichTextStyleDefinition* def)
+void wxRichTextCaret::Notify()
{
- // Flags are defined within each definition, so only certain
- // attributes are applied.
- wxRichTextAttr attr(def->GetStyle());
-
- // Make sure the attr has the style name
- if (def->IsKindOf(CLASSINFO(wxRichTextParagraphStyleDefinition)))
- attr.SetParagraphStyleName(def->GetName());
- else
- attr.SetCharacterStyleName(def->GetName());
-
- if (HasSelection())
- SetStyle(GetSelectionRange(), attr);
- else
- SetAndShowDefaultStyle(attr);
+ m_flashOn = !m_flashOn;
+ Refresh();
}
-/// Sets the default style to the style under the cursor
-bool wxRichTextCtrl::SetDefaultStyleToCursorStyle()
+void wxRichTextCaretTimer::Notify()
{
- wxTextAttrEx attr;
- attr.SetFlags(wxTEXT_ATTR_CHARACTER);
-
- // If at the start of a paragraph, use the next position.
- long pos = GetAdjustedCaretPosition(GetCaretPosition());
+ m_caret->Notify();
+}
+#endif
+ // wxRICHTEXT_USE_OWN_CARET
- if (GetStyle(pos, attr))
+// Add an item
+bool wxRichTextContextMenuPropertiesInfo::AddItem(const wxString& label, wxRichTextObject* obj)
+{
+ if (GetCount() < 3)
{
- SetDefaultStyle(attr);
+ m_labels.Add(label);
+ m_objects.Add(obj);
return true;
}
-
- return false;
+ else
+ return false;
}
-/// Returns the first visible position in the current view
-long wxRichTextCtrl::GetFirstVisiblePosition() const
+// Returns number of menu items were added.
+int wxRichTextContextMenuPropertiesInfo::AddMenuItems(wxMenu* menu, int startCmd) const
{
- wxRichTextLine* line = GetBuffer().GetLineAtYPosition(GetLogicalPoint(wxPoint(0, 0)).y);
- if (line)
- return line->GetAbsoluteRange().GetStart();
+ wxMenuItem* item = menu->FindItem(startCmd);
+ // If none of the standard properties identifiers are in the menu, add them if necessary.
+ // If no items to add, just set the text to something generic
+ if (GetCount() == 0)
+ {
+ if (item)
+ {
+ menu->SetLabel(startCmd, _("&Properties"));
+
+ // Delete the others if necessary
+ int i;
+ for (i = startCmd+1; i < startCmd+3; i++)
+ {
+ if (menu->FindItem(i))
+ {
+ menu->Delete(i);
+ }
+ }
+ }
+ }
else
- return 0;
-}
+ {
+ int i;
+ int pos = -1;
+ // Find the position of the first properties item
+ for (i = 0; i < (int) menu->GetMenuItemCount(); i++)
+ {
+ wxMenuItem* item = menu->FindItemByPosition(i);
+ if (item && item->GetId() == startCmd)
+ {
+ pos = i;
+ break;
+ }
+ }
-/// The adjusted caret position is the character position adjusted to take
-/// into account whether we're at the start of a paragraph, in which case
-/// style information should be taken from the next position, not current one.
-long wxRichTextCtrl::GetAdjustedCaretPosition(long caretPos) const
-{
- wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(caretPos+1);
+ if (pos != -1)
+ {
+ int insertBefore = pos+1;
+ for (i = startCmd; i < startCmd+GetCount(); i++)
+ {
+ if (menu->FindItem(i))
+ {
+ menu->SetLabel(i, m_labels[i - startCmd]);
+ }
+ else
+ {
+ if (insertBefore >= (int) menu->GetMenuItemCount())
+ menu->Append(i, m_labels[i - startCmd]);
+ else
+ menu->Insert(insertBefore, i, m_labels[i - startCmd]);
+ }
+ insertBefore ++;
+ }
- if (para && (caretPos+1 == para->GetRange().GetStart()))
- caretPos ++;
- return caretPos;
-}
+ // Delete any old items still left on the menu
+ for (i = startCmd + GetCount(); i < startCmd+3; i++)
+ {
+ if (menu->FindItem(i))
+ {
+ menu->Delete(i);
+ }
+ }
+ }
+ else
+ {
+ // No existing property identifiers were found, so append to the end of the menu.
+ menu->AppendSeparator();
+ for (i = startCmd; i < startCmd+GetCount(); i++)
+ {
+ menu->Append(i, m_labels[i - startCmd]);
+ }
+ }
+ }
-/// Get/set the selection range in character positions. -1, -1 means no selection.
-/// The range is in API convention, i.e. a single character selection is denoted
-/// by (n, n+1)
-wxRichTextRange wxRichTextCtrl::GetSelectionRange() const
-{
- wxRichTextRange range = GetInternalSelectionRange();
- if (range != wxRichTextRange(-2,-2) && range != wxRichTextRange(-1,-1))
- range.SetEnd(range.GetEnd() + 1);
- return range;
+ return GetCount();
}
-void wxRichTextCtrl::SetSelectionRange(const wxRichTextRange& range)
+// Add appropriate menu items for the current container and clicked on object
+// (and container's parent, if appropriate).
+int wxRichTextContextMenuPropertiesInfo::AddItems(wxRichTextCtrl* ctrl, wxRichTextObject* container, wxRichTextObject* obj)
{
- wxRichTextRange range1(range);
- if (range1 != wxRichTextRange(-2,-2) && range1 != wxRichTextRange(-1,-1) )
- range1.SetEnd(range1.GetEnd() - 1);
+ Clear();
+ if (obj && ctrl->CanEditProperties(obj))
+ AddItem(ctrl->GetPropertiesMenuLabel(obj), obj);
+
+ if (container && container != obj && ctrl->CanEditProperties(container) && m_labels.Index(ctrl->GetPropertiesMenuLabel(container)) == wxNOT_FOUND)
+ AddItem(ctrl->GetPropertiesMenuLabel(container), container);
+
+ if (container && container->GetParent() && ctrl->CanEditProperties(container->GetParent()) && m_labels.Index(ctrl->GetPropertiesMenuLabel(container->GetParent())) == wxNOT_FOUND)
+ AddItem(ctrl->GetPropertiesMenuLabel(container->GetParent()), container->GetParent());
- wxASSERT( range1.GetStart() > range1.GetEnd() );
-
- SetInternalSelectionRange(range1);
+ return GetCount();
}
#endif
projects / wxWidgets.git / blobdiff