1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/richtext/richtextctrl.cpp
3 // Purpose: A rich edit control
4 // Author: Julian Smart
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
12 // For compilers that support precompilation, includes "wx.h".
13 #include "wx/wxprec.h"
21 #include "wx/richtext/richtextctrl.h"
22 #include "wx/richtext/richtextstyles.h"
26 #include "wx/settings.h"
30 #include "wx/textfile.h"
32 #include "wx/filename.h"
33 #include "wx/dcbuffer.h"
34 #include "wx/arrimpl.cpp"
35 #include "wx/fontenum.h"
38 // DLL options compatibility check:
40 WX_CHECK_BUILD_OPTIONS("wxRichTextCtrl")
42 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_LEFT_CLICK
, wxRichTextEvent
);
43 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_MIDDLE_CLICK
, wxRichTextEvent
);
44 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_RIGHT_CLICK
, wxRichTextEvent
);
45 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_LEFT_DCLICK
, wxRichTextEvent
);
46 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_RETURN
, wxRichTextEvent
);
47 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_CHARACTER
, wxRichTextEvent
);
48 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_DELETE
, wxRichTextEvent
);
50 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACING
, wxRichTextEvent
);
51 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACED
, wxRichTextEvent
);
52 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLESHEET_CHANGING
, wxRichTextEvent
);
53 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLESHEET_CHANGED
, wxRichTextEvent
);
55 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_CONTENT_INSERTED
, wxRichTextEvent
);
56 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_CONTENT_DELETED
, wxRichTextEvent
);
57 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLE_CHANGED
, wxRichTextEvent
);
58 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_SELECTION_CHANGED
, wxRichTextEvent
);
59 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_BUFFER_RESET
, wxRichTextEvent
);
60 wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_FOCUS_OBJECT_CHANGED
, wxRichTextEvent
);
62 #if wxRICHTEXT_USE_OWN_CARET
67 * This implements a non-flashing cursor in case there
68 * are platform-specific problems with the generic caret.
69 * wxRICHTEXT_USE_OWN_CARET is set in richtextbuffer.h.
72 class wxRichTextCaret
;
73 class wxRichTextCaretTimer
: public wxTimer
76 wxRichTextCaretTimer(wxRichTextCaret
* caret
)
80 virtual void Notify();
81 wxRichTextCaret
* m_caret
;
84 class wxRichTextCaret
: public wxCaret
89 // default - use Create()
90 wxRichTextCaret(): m_timer(this) { Init(); }
91 // creates a block caret associated with the given window
92 wxRichTextCaret(wxRichTextCtrl
*window
, int width
, int height
)
93 : wxCaret(window
, width
, height
), m_timer(this) { Init(); m_richTextCtrl
= window
; }
94 wxRichTextCaret(wxRichTextCtrl
*window
, const wxSize
& size
)
95 : wxCaret(window
, size
), m_timer(this) { Init(); m_richTextCtrl
= window
; }
97 virtual ~wxRichTextCaret();
102 // called by wxWindow (not using the event tables)
103 virtual void OnSetFocus();
104 virtual void OnKillFocus();
106 // draw the caret on the given DC
107 void DoDraw(wxDC
*dc
);
109 // get the visible count
110 int GetVisibleCount() const { return m_countVisible
; }
112 // delay repositioning
113 bool GetNeedsUpdate() const { return m_needsUpdate
; }
114 void SetNeedsUpdate(bool needsUpdate
= true ) { m_needsUpdate
= needsUpdate
; }
119 virtual void DoShow();
120 virtual void DoHide();
121 virtual void DoMove();
122 virtual void DoSize();
132 bool m_hasFocus
; // true => our window has focus
133 bool m_needsUpdate
; // must be repositioned
135 wxRichTextCaretTimer m_timer
;
136 wxRichTextCtrl
* m_richTextCtrl
;
140 IMPLEMENT_DYNAMIC_CLASS( wxRichTextCtrl
, wxControl
)
142 IMPLEMENT_DYNAMIC_CLASS( wxRichTextEvent
, wxNotifyEvent
)
144 BEGIN_EVENT_TABLE( wxRichTextCtrl
, wxControl
)
145 EVT_PAINT(wxRichTextCtrl::OnPaint
)
146 EVT_ERASE_BACKGROUND(wxRichTextCtrl::OnEraseBackground
)
147 EVT_IDLE(wxRichTextCtrl::OnIdle
)
148 EVT_SCROLLWIN(wxRichTextCtrl::OnScroll
)
149 EVT_LEFT_DOWN(wxRichTextCtrl::OnLeftClick
)
150 EVT_MOTION(wxRichTextCtrl::OnMoveMouse
)
151 EVT_LEFT_UP(wxRichTextCtrl::OnLeftUp
)
152 EVT_RIGHT_DOWN(wxRichTextCtrl::OnRightClick
)
153 EVT_MIDDLE_DOWN(wxRichTextCtrl::OnMiddleClick
)
154 EVT_LEFT_DCLICK(wxRichTextCtrl::OnLeftDClick
)
155 EVT_CHAR(wxRichTextCtrl::OnChar
)
156 EVT_KEY_DOWN(wxRichTextCtrl::OnChar
)
157 EVT_SIZE(wxRichTextCtrl::OnSize
)
158 EVT_SET_FOCUS(wxRichTextCtrl::OnSetFocus
)
159 EVT_KILL_FOCUS(wxRichTextCtrl::OnKillFocus
)
160 EVT_MOUSE_CAPTURE_LOST(wxRichTextCtrl::OnCaptureLost
)
161 EVT_CONTEXT_MENU(wxRichTextCtrl::OnContextMenu
)
162 EVT_SYS_COLOUR_CHANGED(wxRichTextCtrl::OnSysColourChanged
)
164 EVT_MENU(wxID_UNDO
, wxRichTextCtrl::OnUndo
)
165 EVT_UPDATE_UI(wxID_UNDO
, wxRichTextCtrl::OnUpdateUndo
)
167 EVT_MENU(wxID_REDO
, wxRichTextCtrl::OnRedo
)
168 EVT_UPDATE_UI(wxID_REDO
, wxRichTextCtrl::OnUpdateRedo
)
170 EVT_MENU(wxID_COPY
, wxRichTextCtrl::OnCopy
)
171 EVT_UPDATE_UI(wxID_COPY
, wxRichTextCtrl::OnUpdateCopy
)
173 EVT_MENU(wxID_PASTE
, wxRichTextCtrl::OnPaste
)
174 EVT_UPDATE_UI(wxID_PASTE
, wxRichTextCtrl::OnUpdatePaste
)
176 EVT_MENU(wxID_CUT
, wxRichTextCtrl::OnCut
)
177 EVT_UPDATE_UI(wxID_CUT
, wxRichTextCtrl::OnUpdateCut
)
179 EVT_MENU(wxID_CLEAR
, wxRichTextCtrl::OnClear
)
180 EVT_UPDATE_UI(wxID_CLEAR
, wxRichTextCtrl::OnUpdateClear
)
182 EVT_MENU(wxID_SELECTALL
, wxRichTextCtrl::OnSelectAll
)
183 EVT_UPDATE_UI(wxID_SELECTALL
, wxRichTextCtrl::OnUpdateSelectAll
)
185 EVT_MENU(wxID_RICHTEXT_PROPERTIES1
, wxRichTextCtrl::OnProperties
)
186 EVT_UPDATE_UI(wxID_RICHTEXT_PROPERTIES1
, wxRichTextCtrl::OnUpdateProperties
)
188 EVT_MENU(wxID_RICHTEXT_PROPERTIES2
, wxRichTextCtrl::OnProperties
)
189 EVT_UPDATE_UI(wxID_RICHTEXT_PROPERTIES2
, wxRichTextCtrl::OnUpdateProperties
)
191 EVT_MENU(wxID_RICHTEXT_PROPERTIES3
, wxRichTextCtrl::OnProperties
)
192 EVT_UPDATE_UI(wxID_RICHTEXT_PROPERTIES3
, wxRichTextCtrl::OnUpdateProperties
)
200 wxArrayString
wxRichTextCtrl::sm_availableFontNames
;
202 wxRichTextCtrl::wxRichTextCtrl()
203 : wxScrollHelper(this)
208 wxRichTextCtrl::wxRichTextCtrl(wxWindow
* parent
,
210 const wxString
& value
,
214 const wxValidator
& validator
,
215 const wxString
& name
)
216 : wxScrollHelper(this)
219 Create(parent
, id
, value
, pos
, size
, style
, validator
, name
);
223 bool wxRichTextCtrl::Create( wxWindow
* parent
, wxWindowID id
, const wxString
& value
, const wxPoint
& pos
, const wxSize
& size
, long style
,
224 const wxValidator
& validator
, const wxString
& name
)
228 if (!wxControl::Create(parent
, id
, pos
, size
,
229 style
|wxFULL_REPAINT_ON_RESIZE
,
235 SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT
));
238 // No physical scrolling, so we can preserve margins
239 EnableScrolling(false, false);
241 if (style
& wxTE_READONLY
)
244 // The base attributes must all have default values
245 wxRichTextAttr attributes
;
246 attributes
.SetFont(GetFont());
247 attributes
.SetTextColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT
));
248 attributes
.SetAlignment(wxTEXT_ALIGNMENT_LEFT
);
249 attributes
.SetLineSpacing(10);
250 attributes
.SetParagraphSpacingAfter(10);
251 attributes
.SetParagraphSpacingBefore(0);
253 SetBasicStyle(attributes
);
256 SetMargins(margin
, margin
);
258 // The default attributes will be merged with base attributes, so
259 // can be empty to begin with
260 wxRichTextAttr defaultAttributes
;
261 SetDefaultStyle(defaultAttributes
);
263 SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW
));
264 SetBackgroundStyle(wxBG_STYLE_CUSTOM
);
267 GetBuffer().SetRichTextCtrl(this);
269 #if wxRICHTEXT_USE_OWN_CARET
270 SetCaret(new wxRichTextCaret(this, wxRICHTEXT_DEFAULT_CARET_WIDTH
, 16));
272 SetCaret(new wxCaret(this, wxRICHTEXT_DEFAULT_CARET_WIDTH
, 16));
275 // Tell the sizers to use the given or best size
276 SetInitialSize(size
);
278 #if wxRICHTEXT_BUFFERED_PAINTING
280 RecreateBuffer(size
);
283 m_textCursor
= wxCursor(wxCURSOR_IBEAM
);
284 m_urlCursor
= wxCursor(wxCURSOR_HAND
);
286 SetCursor(m_textCursor
);
288 if (!value
.IsEmpty())
291 GetBuffer().AddEventHandler(this);
294 wxAcceleratorEntry entries
[6];
296 entries
[0].Set(wxACCEL_CMD
, (int) 'C', wxID_COPY
);
297 entries
[1].Set(wxACCEL_CMD
, (int) 'X', wxID_CUT
);
298 entries
[2].Set(wxACCEL_CMD
, (int) 'V', wxID_PASTE
);
299 entries
[3].Set(wxACCEL_CMD
, (int) 'A', wxID_SELECTALL
);
300 entries
[4].Set(wxACCEL_CMD
, (int) 'Z', wxID_UNDO
);
301 entries
[5].Set(wxACCEL_CMD
, (int) 'Y', wxID_REDO
);
303 wxAcceleratorTable
accel(6, entries
);
304 SetAcceleratorTable(accel
);
306 m_contextMenu
= new wxMenu
;
307 m_contextMenu
->Append(wxID_UNDO
, _("&Undo"));
308 m_contextMenu
->Append(wxID_REDO
, _("&Redo"));
309 m_contextMenu
->AppendSeparator();
310 m_contextMenu
->Append(wxID_CUT
, _("Cu&t"));
311 m_contextMenu
->Append(wxID_COPY
, _("&Copy"));
312 m_contextMenu
->Append(wxID_PASTE
, _("&Paste"));
313 m_contextMenu
->Append(wxID_CLEAR
, _("&Delete"));
314 m_contextMenu
->AppendSeparator();
315 m_contextMenu
->Append(wxID_SELECTALL
, _("Select &All"));
316 m_contextMenu
->AppendSeparator();
317 m_contextMenu
->Append(wxID_RICHTEXT_PROPERTIES1
, _("&Properties"));
322 wxRichTextCtrl::~wxRichTextCtrl()
324 SetFocusObject(& GetBuffer(), false);
325 GetBuffer().RemoveEventHandler(this);
327 delete m_contextMenu
;
330 /// Member initialisation
331 void wxRichTextCtrl::Init()
333 m_contextMenu
= NULL
;
335 m_caretPosition
= -1;
336 m_selectionAnchor
= -2;
337 m_selectionAnchorObject
= NULL
;
338 m_selectionState
= wxRichTextCtrlSelectionState_Normal
;
340 m_caretAtLineStart
= false;
342 m_fullLayoutRequired
= false;
343 m_fullLayoutTime
= 0;
344 m_fullLayoutSavedPosition
= 0;
345 m_delayedLayoutThreshold
= wxRICHTEXT_DEFAULT_DELAYED_LAYOUT_THRESHOLD
;
346 m_caretPositionForDefaultStyle
= -2;
347 m_focusObject
= & m_buffer
;
350 void wxRichTextCtrl::DoThaw()
352 if (GetBuffer().IsDirty())
361 void wxRichTextCtrl::Clear()
363 if (GetFocusObject() == & GetBuffer())
365 m_buffer
.ResetAndClearCommands();
366 m_buffer
.Invalidate(wxRICHTEXT_ALL
);
370 GetFocusObject()->Reset();
373 m_caretPosition
= -1;
374 m_caretPositionForDefaultStyle
= -2;
375 m_caretAtLineStart
= false;
377 m_selectionState
= wxRichTextCtrlSelectionState_Normal
;
387 wxTextCtrl::SendTextUpdatedEvent(this);
391 void wxRichTextCtrl::OnPaint(wxPaintEvent
& WXUNUSED(event
))
393 #if !wxRICHTEXT_USE_OWN_CARET
394 if (GetCaret() && !IsFrozen())
399 #if wxRICHTEXT_BUFFERED_PAINTING
400 wxBufferedPaintDC
dc(this, m_bufferBitmap
);
410 dc
.SetFont(GetFont());
412 // Paint the background
415 // wxRect drawingArea(GetLogicalPoint(wxPoint(0, 0)), GetClientSize());
417 wxRect
drawingArea(GetUpdateRegion().GetBox());
418 drawingArea
.SetPosition(GetLogicalPoint(drawingArea
.GetPosition()));
420 wxRect
availableSpace(GetClientSize());
421 if (GetBuffer().IsDirty())
423 GetBuffer().Layout(dc
, availableSpace
, wxRICHTEXT_FIXED_WIDTH
|wxRICHTEXT_VARIABLE_HEIGHT
);
424 GetBuffer().Invalidate(wxRICHTEXT_NONE
);
428 wxRect
clipRect(availableSpace
);
429 clipRect
.x
+= GetBuffer().GetLeftMargin();
430 clipRect
.y
+= GetBuffer().GetTopMargin();
431 clipRect
.width
-= (GetBuffer().GetLeftMargin() + GetBuffer().GetRightMargin());
432 clipRect
.height
-= (GetBuffer().GetTopMargin() + GetBuffer().GetBottomMargin());
433 clipRect
.SetPosition(GetLogicalPoint(clipRect
.GetPosition()));
434 dc
.SetClippingRegion(clipRect
);
437 if ((GetExtraStyle() & wxRICHTEXT_EX_NO_GUIDELINES
) == 0)
438 flags
|= wxRICHTEXT_DRAW_GUIDELINES
;
440 GetBuffer().Draw(dc
, GetBuffer().GetOwnRange(), GetSelection(), drawingArea
, 0 /* descent */, flags
);
442 dc
.DestroyClippingRegion();
444 // Other user defined painting after everything else (i.e. all text) is painted
445 PaintAboveContent(dc
);
447 #if wxRICHTEXT_USE_OWN_CARET
448 if (GetCaret()->IsVisible())
450 ((wxRichTextCaret
*) GetCaret())->DoDraw(& dc
);
455 #if !wxRICHTEXT_USE_OWN_CARET
462 // Empty implementation, to prevent flicker
463 void wxRichTextCtrl::OnEraseBackground(wxEraseEvent
& WXUNUSED(event
))
467 void wxRichTextCtrl::OnSetFocus(wxFocusEvent
& WXUNUSED(event
))
471 #if !wxRICHTEXT_USE_OWN_CARET
477 #if defined(__WXGTK__) && !wxRICHTEXT_USE_OWN_CARET
478 // Work around dropouts when control is focused
486 void wxRichTextCtrl::OnKillFocus(wxFocusEvent
& WXUNUSED(event
))
491 #if defined(__WXGTK__) && !wxRICHTEXT_USE_OWN_CARET
492 // Work around dropouts when control is focused
500 void wxRichTextCtrl::OnCaptureLost(wxMouseCaptureLostEvent
& WXUNUSED(event
))
505 // Set up the caret for the given position and container, after a mouse click
506 bool wxRichTextCtrl::SetCaretPositionAfterClick(wxRichTextParagraphLayoutBox
* container
, long position
, int hitTestFlags
, bool extendSelection
)
508 bool caretAtLineStart
= false;
510 if (hitTestFlags
& wxRICHTEXT_HITTEST_BEFORE
)
512 // If we're at the start of a line (but not first in para)
513 // then we should keep the caret showing at the start of the line
514 // by showing the m_caretAtLineStart flag.
515 wxRichTextParagraph
* para
= container
->GetParagraphAtPosition(position
);
516 wxRichTextLine
* line
= container
->GetLineAtPosition(position
);
518 if (line
&& para
&& line
->GetAbsoluteRange().GetStart() == position
&& para
->GetRange().GetStart() != position
)
519 caretAtLineStart
= true;
523 if (extendSelection
&& (m_caretPosition
!= position
))
524 ExtendSelection(m_caretPosition
, position
, wxRICHTEXT_SHIFT_DOWN
);
526 MoveCaret(position
, caretAtLineStart
);
527 SetDefaultStyleToCursorStyle();
533 void wxRichTextCtrl::OnLeftClick(wxMouseEvent
& event
)
539 dc
.SetFont(GetFont());
541 // TODO: detect change of focus object
543 wxRichTextObject
* hitObj
= NULL
;
544 wxRichTextObject
* contextObj
= NULL
;
545 int hit
= GetBuffer().HitTest(dc
, event
.GetLogicalPosition(dc
), position
, & hitObj
, & contextObj
);
547 if (hit
!= wxRICHTEXT_HITTEST_NONE
&& hitObj
)
549 wxRichTextParagraphLayoutBox
* oldFocusObject
= GetFocusObject();
550 wxRichTextParagraphLayoutBox
* container
= wxDynamicCast(contextObj
, wxRichTextParagraphLayoutBox
);
551 if (container
&& container
!= GetFocusObject() && container
->AcceptsFocus())
553 SetFocusObject(container
, false /* don't set caret position yet */);
556 m_dragStart
= event
.GetLogicalPosition(dc
);
560 long oldCaretPos
= m_caretPosition
;
562 SetCaretPositionAfterClick(container
, position
, hit
);
564 // For now, don't handle shift-click when we're selecting multiple objects.
565 if (event
.ShiftDown() && GetFocusObject() == oldFocusObject
&& m_selectionState
== wxRichTextCtrlSelectionState_Normal
)
567 if (!m_selection
.IsValid())
568 ExtendSelection(oldCaretPos
, m_caretPosition
, wxRICHTEXT_SHIFT_DOWN
);
570 ExtendSelection(m_caretPosition
, m_caretPosition
, wxRICHTEXT_SHIFT_DOWN
);
580 void wxRichTextCtrl::OnLeftUp(wxMouseEvent
& event
)
585 if (GetCapture() == this)
588 // See if we clicked on a URL
591 dc
.SetFont(GetFont());
594 wxPoint logicalPt
= event
.GetLogicalPosition(dc
);
595 wxRichTextObject
* hitObj
= NULL
;
596 wxRichTextObject
* contextObj
= NULL
;
597 // Only get objects at this level, not nested, because otherwise we couldn't swipe text at a single level.
598 int hit
= GetFocusObject()->HitTest(dc
, logicalPt
, position
, & hitObj
, & contextObj
, wxRICHTEXT_HITTEST_NO_NESTED_OBJECTS
);
600 if ((hit
!= wxRICHTEXT_HITTEST_NONE
) && !(hit
& wxRICHTEXT_HITTEST_OUTSIDE
))
602 wxRichTextEvent
cmdEvent(
603 wxEVT_COMMAND_RICHTEXT_LEFT_CLICK
,
605 cmdEvent
.SetEventObject(this);
606 cmdEvent
.SetPosition(position
);
608 cmdEvent
.SetContainer(hitObj
->GetContainer());
610 if (!GetEventHandler()->ProcessEvent(cmdEvent
))
613 if (GetStyle(position
, attr
))
615 if (attr
.HasFlag(wxTEXT_ATTR_URL
))
617 wxString urlTarget
= attr
.GetURL();
618 if (!urlTarget
.IsEmpty())
620 wxMouseEvent
mouseEvent(event
);
622 long startPos
= 0, endPos
= 0;
623 wxRichTextObject
* obj
= GetFocusObject()->GetLeafObjectAtPosition(position
);
626 startPos
= obj
->GetRange().GetStart();
627 endPos
= obj
->GetRange().GetEnd();
630 wxTextUrlEvent
urlEvent(GetId(), mouseEvent
, startPos
, endPos
);
631 InitCommandEvent(urlEvent
);
633 urlEvent
.SetString(urlTarget
);
635 GetEventHandler()->ProcessEvent(urlEvent
);
645 void wxRichTextCtrl::OnMoveMouse(wxMouseEvent
& event
)
649 dc
.SetFont(GetFont());
652 wxPoint logicalPt
= event
.GetLogicalPosition(dc
);
653 wxRichTextObject
* hitObj
= NULL
;
654 wxRichTextObject
* contextObj
= NULL
;
658 // If we're dragging, let's only consider positions at this level; otherwise
659 // selecting a range is not going to work.
660 wxRichTextParagraphLayoutBox
* container
= & GetBuffer();
663 flags
= wxRICHTEXT_HITTEST_NO_NESTED_OBJECTS
;
664 container
= GetFocusObject();
666 int hit
= container
->HitTest(dc
, logicalPt
, position
, & hitObj
, & contextObj
, flags
);
668 // See if we need to change the cursor
671 if (hit
!= wxRICHTEXT_HITTEST_NONE
&& !(hit
& wxRICHTEXT_HITTEST_OUTSIDE
) && hitObj
)
673 wxRichTextParagraphLayoutBox
* actualContainer
= wxDynamicCast(contextObj
, wxRichTextParagraphLayoutBox
);
675 if (actualContainer
&& GetStyle(position
, attr
, actualContainer
))
677 if (attr
.HasFlag(wxTEXT_ATTR_URL
))
679 SetCursor(m_urlCursor
);
681 else if (!attr
.HasFlag(wxTEXT_ATTR_URL
))
683 SetCursor(m_textCursor
);
688 SetCursor(m_textCursor
);
691 if (!event
.Dragging())
699 wxRichTextParagraphLayoutBox
* commonAncestor
= NULL
;
700 wxRichTextParagraphLayoutBox
* otherContainer
= NULL
;
701 wxRichTextParagraphLayoutBox
* firstContainer
= NULL
;
703 // Check for dragging across multiple containers
705 wxRichTextObject
* hitObj2
= NULL
, *contextObj2
= NULL
;
706 int hit2
= GetBuffer().HitTest(dc
, logicalPt
, position2
, & hitObj2
, & contextObj2
, 0);
707 if (hit2
!= wxRICHTEXT_HITTEST_NONE
&& !(hit2
& wxRICHTEXT_HITTEST_OUTSIDE
) && hitObj2
&& hitObj
!= hitObj2
)
709 // See if we can find a common ancestor
710 if (m_selectionState
== wxRichTextCtrlSelectionState_Normal
)
712 firstContainer
= GetFocusObject();
713 commonAncestor
= wxDynamicCast(firstContainer
->GetParent(), wxRichTextParagraphLayoutBox
);
717 firstContainer
= wxDynamicCast(m_selectionAnchorObject
, wxRichTextParagraphLayoutBox
);
718 //commonAncestor = GetFocusObject(); // when the selection state is not normal, the focus object (e.g. table)
719 // is the common ancestor.
720 commonAncestor
= wxDynamicCast(firstContainer
->GetParent(), wxRichTextParagraphLayoutBox
);
723 if (commonAncestor
&& commonAncestor
->HandlesChildSelections())
725 wxRichTextObject
* p
= hitObj2
;
728 if (p
->GetParent() == commonAncestor
)
730 otherContainer
= wxDynamicCast(p
, wxRichTextParagraphLayoutBox
);
737 if (commonAncestor
&& firstContainer
&& otherContainer
)
739 // We have now got a second container that shares a parent with the current or anchor object.
740 if (m_selectionState
== wxRichTextCtrlSelectionState_Normal
)
742 // Don't go into common-ancestor selection mode if we still have the same
744 if (otherContainer
!= firstContainer
)
746 m_selectionState
= wxRichTextCtrlSelectionState_CommonAncestor
;
747 m_selectionAnchorObject
= firstContainer
;
748 m_selectionAnchor
= firstContainer
->GetRange().GetStart();
750 // The common ancestor, such as a table, returns the cell selection
751 // between the anchor and current position.
752 m_selection
= commonAncestor
->GetSelection(m_selectionAnchor
, otherContainer
->GetRange().GetStart());
757 m_selection
= commonAncestor
->GetSelection(m_selectionAnchor
, otherContainer
->GetRange().GetStart());
762 if (otherContainer
->AcceptsFocus())
763 SetFocusObject(otherContainer
, false /* don't set caret and clear selection */);
764 MoveCaret(-1, false);
765 SetDefaultStyleToCursorStyle();
770 if (hitObj
&& m_dragging
&& hit
!= wxRICHTEXT_HITTEST_NONE
&& m_selectionState
== wxRichTextCtrlSelectionState_Normal
)
772 // TODO: test closeness
773 SetCaretPositionAfterClick(container
, position
, hit
, true /* extend selection */);
778 void wxRichTextCtrl::OnRightClick(wxMouseEvent
& event
)
784 dc
.SetFont(GetFont());
787 wxPoint logicalPt
= event
.GetLogicalPosition(dc
);
788 wxRichTextObject
* hitObj
= NULL
;
789 wxRichTextObject
* contextObj
= NULL
;
790 int hit
= GetFocusObject()->HitTest(dc
, logicalPt
, position
, & hitObj
, & contextObj
);
792 if (hitObj
&& hitObj
->GetContainer() != GetFocusObject())
794 wxRichTextParagraphLayoutBox
* actualContainer
= wxDynamicCast(contextObj
, wxRichTextParagraphLayoutBox
);
795 if (actualContainer
&& actualContainer
->AcceptsFocus())
797 SetFocusObject(actualContainer
, false /* don't set caret position yet */);
798 SetCaretPositionAfterClick(actualContainer
, position
, hit
);
802 wxRichTextEvent
cmdEvent(
803 wxEVT_COMMAND_RICHTEXT_RIGHT_CLICK
,
805 cmdEvent
.SetEventObject(this);
806 cmdEvent
.SetPosition(position
);
808 cmdEvent
.SetContainer(hitObj
->GetContainer());
810 if (!GetEventHandler()->ProcessEvent(cmdEvent
))
814 /// Left-double-click
815 void wxRichTextCtrl::OnLeftDClick(wxMouseEvent
& WXUNUSED(event
))
817 wxRichTextEvent
cmdEvent(
818 wxEVT_COMMAND_RICHTEXT_LEFT_DCLICK
,
820 cmdEvent
.SetEventObject(this);
821 cmdEvent
.SetPosition(m_caretPosition
+1);
822 cmdEvent
.SetContainer(GetFocusObject());
824 if (!GetEventHandler()->ProcessEvent(cmdEvent
))
826 SelectWord(GetCaretPosition()+1);
831 void wxRichTextCtrl::OnMiddleClick(wxMouseEvent
& event
)
833 wxRichTextEvent
cmdEvent(
834 wxEVT_COMMAND_RICHTEXT_MIDDLE_CLICK
,
836 cmdEvent
.SetEventObject(this);
837 cmdEvent
.SetPosition(m_caretPosition
+1);
838 cmdEvent
.SetContainer(GetFocusObject());
840 if (!GetEventHandler()->ProcessEvent(cmdEvent
))
845 void wxRichTextCtrl::OnChar(wxKeyEvent
& event
)
849 flags
|= wxRICHTEXT_CTRL_DOWN
;
850 if (event
.ShiftDown())
851 flags
|= wxRICHTEXT_SHIFT_DOWN
;
853 flags
|= wxRICHTEXT_ALT_DOWN
;
855 if (event
.GetEventType() == wxEVT_KEY_DOWN
)
857 if (event
.IsKeyInCategory(WXK_CATEGORY_NAVIGATION
))
859 KeyboardNavigate(event
.GetKeyCode(), flags
);
863 long keycode
= event
.GetKeyCode();
923 case WXK_NUMPAD_HOME
:
924 case WXK_NUMPAD_LEFT
:
926 case WXK_NUMPAD_RIGHT
:
927 case WXK_NUMPAD_DOWN
:
928 case WXK_NUMPAD_PAGEUP
:
929 case WXK_NUMPAD_PAGEDOWN
:
931 case WXK_NUMPAD_BEGIN
:
932 case WXK_NUMPAD_INSERT
:
933 case WXK_WINDOWS_LEFT
:
942 // Must process this before translation, otherwise it's translated into a WXK_DELETE event.
943 if (event
.CmdDown() && event
.GetKeyCode() == WXK_BACK
)
945 BeginBatchUndo(_("Delete Text"));
947 long newPos
= m_caretPosition
;
949 bool processed
= DeleteSelectedContent(& newPos
);
951 // Submit range in character positions, which are greater than caret positions,
952 // so subtract 1 for deleted character and add 1 for conversion to character position.
957 long pos
= wxRichTextCtrl::FindNextWordPosition(-1);
960 GetFocusObject()->DeleteRangeWithUndo(wxRichTextRange(pos
+1, newPos
), this, & GetBuffer());
966 GetFocusObject()->DeleteRangeWithUndo(wxRichTextRange(newPos
, newPos
), this, & GetBuffer());
971 if (GetLastPosition() == -1)
973 GetFocusObject()->Reset();
975 m_caretPosition
= -1;
977 SetDefaultStyleToCursorStyle();
980 ScrollIntoView(m_caretPosition
, WXK_LEFT
);
982 wxRichTextEvent
cmdEvent(
983 wxEVT_COMMAND_RICHTEXT_DELETE
,
985 cmdEvent
.SetEventObject(this);
986 cmdEvent
.SetFlags(flags
);
987 cmdEvent
.SetPosition(m_caretPosition
+1);
988 cmdEvent
.SetContainer(GetFocusObject());
989 GetEventHandler()->ProcessEvent(cmdEvent
);
999 // all the other keys modify the controls contents which shouldn't be
1000 // possible if we're read-only
1001 if ( !IsEditable() )
1007 if (event
.GetKeyCode() == WXK_RETURN
)
1009 BeginBatchUndo(_("Insert Text"));
1011 long newPos
= m_caretPosition
;
1013 DeleteSelectedContent(& newPos
);
1015 if (event
.ShiftDown())
1018 text
= wxRichTextLineBreakChar
;
1019 GetFocusObject()->InsertTextWithUndo(newPos
+1, text
, this, & GetBuffer());
1020 m_caretAtLineStart
= true;
1024 GetFocusObject()->InsertNewlineWithUndo(newPos
+1, this, & GetBuffer(), wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE
|wxRICHTEXT_INSERT_INTERACTIVE
);
1027 SetDefaultStyleToCursorStyle();
1029 ScrollIntoView(m_caretPosition
, WXK_RIGHT
);
1031 wxRichTextEvent
cmdEvent(
1032 wxEVT_COMMAND_RICHTEXT_RETURN
,
1034 cmdEvent
.SetEventObject(this);
1035 cmdEvent
.SetFlags(flags
);
1036 cmdEvent
.SetPosition(newPos
+1);
1037 cmdEvent
.SetContainer(GetFocusObject());
1039 if (!GetEventHandler()->ProcessEvent(cmdEvent
))
1041 // Generate conventional event
1042 wxCommandEvent
textEvent(wxEVT_COMMAND_TEXT_ENTER
, GetId());
1043 InitCommandEvent(textEvent
);
1045 GetEventHandler()->ProcessEvent(textEvent
);
1049 else if (event
.GetKeyCode() == WXK_BACK
)
1051 BeginBatchUndo(_("Delete Text"));
1053 long newPos
= m_caretPosition
;
1055 bool processed
= DeleteSelectedContent(& newPos
);
1057 // Submit range in character positions, which are greater than caret positions,
1058 // so subtract 1 for deleted character and add 1 for conversion to character position.
1061 if (event
.CmdDown())
1063 long pos
= wxRichTextCtrl::FindNextWordPosition(-1);
1066 GetFocusObject()->DeleteRangeWithUndo(wxRichTextRange(pos
+1, newPos
), this, & GetBuffer());
1072 GetFocusObject()->DeleteRangeWithUndo(wxRichTextRange(newPos
, newPos
), this, & GetBuffer());
1077 if (GetLastPosition() == -1)
1079 GetFocusObject()->Reset();
1081 m_caretPosition
= -1;
1083 SetDefaultStyleToCursorStyle();
1086 ScrollIntoView(m_caretPosition
, WXK_LEFT
);
1088 wxRichTextEvent
cmdEvent(
1089 wxEVT_COMMAND_RICHTEXT_DELETE
,
1091 cmdEvent
.SetEventObject(this);
1092 cmdEvent
.SetFlags(flags
);
1093 cmdEvent
.SetPosition(m_caretPosition
+1);
1094 cmdEvent
.SetContainer(GetFocusObject());
1095 GetEventHandler()->ProcessEvent(cmdEvent
);
1099 else if (event
.GetKeyCode() == WXK_DELETE
)
1101 BeginBatchUndo(_("Delete Text"));
1103 long newPos
= m_caretPosition
;
1105 bool processed
= DeleteSelectedContent(& newPos
);
1107 // Submit range in character positions, which are greater than caret positions,
1108 if (newPos
< GetFocusObject()->GetOwnRange().GetEnd()+1)
1110 if (event
.CmdDown())
1112 long pos
= wxRichTextCtrl::FindNextWordPosition(1);
1113 if (pos
!= -1 && (pos
> newPos
))
1115 GetFocusObject()->DeleteRangeWithUndo(wxRichTextRange(newPos
+1, pos
), this, & GetBuffer());
1120 if (!processed
&& newPos
< (GetLastPosition()-1))
1121 GetFocusObject()->DeleteRangeWithUndo(wxRichTextRange(newPos
+1, newPos
+1), this, & GetBuffer());
1126 if (GetLastPosition() == -1)
1128 GetFocusObject()->Reset();
1130 m_caretPosition
= -1;
1132 SetDefaultStyleToCursorStyle();
1135 wxRichTextEvent
cmdEvent(
1136 wxEVT_COMMAND_RICHTEXT_DELETE
,
1138 cmdEvent
.SetEventObject(this);
1139 cmdEvent
.SetFlags(flags
);
1140 cmdEvent
.SetPosition(m_caretPosition
+1);
1141 cmdEvent
.SetContainer(GetFocusObject());
1142 GetEventHandler()->ProcessEvent(cmdEvent
);
1148 long keycode
= event
.GetKeyCode();
1160 if (event
.CmdDown())
1162 // Fixes AltGr+key with European input languages on Windows
1163 if ((event
.CmdDown() && !event
.AltDown()) || (event
.AltDown() && !event
.CmdDown()))
1170 wxRichTextEvent
cmdEvent(
1171 wxEVT_COMMAND_RICHTEXT_CHARACTER
,
1173 cmdEvent
.SetEventObject(this);
1174 cmdEvent
.SetFlags(flags
);
1176 cmdEvent
.SetCharacter(event
.GetUnicodeKey());
1178 cmdEvent
.SetCharacter((wxChar
) keycode
);
1180 cmdEvent
.SetPosition(m_caretPosition
+1);
1181 cmdEvent
.SetContainer(GetFocusObject());
1183 if (keycode
== wxT('\t'))
1185 // See if we need to promote or demote the selection or paragraph at the cursor
1186 // position, instead of inserting a tab.
1187 long pos
= GetAdjustedCaretPosition(GetCaretPosition());
1188 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphAtPosition(pos
);
1189 if (para
&& para
->GetRange().GetStart() == pos
&& para
->GetAttributes().HasListStyleName())
1191 wxRichTextRange range
;
1193 range
= GetSelectionRange();
1195 range
= para
->GetRange().FromInternal();
1197 int promoteBy
= event
.ShiftDown() ? 1 : -1;
1199 PromoteList(promoteBy
, range
, NULL
);
1201 GetEventHandler()->ProcessEvent(cmdEvent
);
1207 BeginBatchUndo(_("Insert Text"));
1209 long newPos
= m_caretPosition
;
1210 DeleteSelectedContent(& newPos
);
1213 wxString str
= event
.GetUnicodeKey();
1215 wxString str
= (wxChar
) event
.GetKeyCode();
1217 GetFocusObject()->InsertTextWithUndo(newPos
+1, str
, this, & GetBuffer(), 0);
1221 SetDefaultStyleToCursorStyle();
1222 ScrollIntoView(m_caretPosition
, WXK_RIGHT
);
1224 GetEventHandler()->ProcessEvent(cmdEvent
);
1232 /// Delete content if there is a selection, e.g. when pressing a key.
1233 bool wxRichTextCtrl::DeleteSelectedContent(long* newPos
)
1237 long pos
= m_selection
.GetRange().GetStart();
1238 wxRichTextRange range
= m_selection
.GetRange();
1240 // SelectAll causes more to be selected than doing it interactively,
1241 // and causes a new paragraph to be inserted. So for multiline buffers,
1242 // don't delete the final position.
1243 if (range
.GetEnd() == GetLastPosition() && GetNumberOfLines() > 0)
1244 range
.SetEnd(range
.GetEnd()-1);
1246 GetFocusObject()->DeleteRangeWithUndo(range
, this, & GetBuffer());
1247 m_selection
.Reset();
1248 m_selectionState
= wxRichTextCtrlSelectionState_Normal
;
1258 /// Keyboard navigation
1262 Left: left one character
1263 Right: right one character
1266 Ctrl-Left: left one word
1267 Ctrl-Right: right one word
1268 Ctrl-Up: previous paragraph start
1269 Ctrl-Down: next start of paragraph
1272 Ctrl-Home: start of document
1273 Ctrl-End: end of document
1274 Page-Up: Up a screen
1275 Page-Down: Down a screen
1279 Ctrl-Alt-PgUp: Start of window
1280 Ctrl-Alt-PgDn: End of window
1281 F8: Start selection mode
1282 Esc: End selection mode
1284 Adding Shift does the above but starts/extends selection.
1289 bool wxRichTextCtrl::KeyboardNavigate(int keyCode
, int flags
)
1291 bool success
= false;
1293 if (keyCode
== WXK_RIGHT
|| keyCode
== WXK_NUMPAD_RIGHT
)
1295 if (flags
& wxRICHTEXT_CTRL_DOWN
)
1296 success
= WordRight(1, flags
);
1298 success
= MoveRight(1, flags
);
1300 else if (keyCode
== WXK_LEFT
|| keyCode
== WXK_NUMPAD_LEFT
)
1302 if (flags
& wxRICHTEXT_CTRL_DOWN
)
1303 success
= WordLeft(1, flags
);
1305 success
= MoveLeft(1, flags
);
1307 else if (keyCode
== WXK_UP
|| keyCode
== WXK_NUMPAD_UP
)
1309 if (flags
& wxRICHTEXT_CTRL_DOWN
)
1310 success
= MoveToParagraphStart(flags
);
1312 success
= MoveUp(1, flags
);
1314 else if (keyCode
== WXK_DOWN
|| keyCode
== WXK_NUMPAD_DOWN
)
1316 if (flags
& wxRICHTEXT_CTRL_DOWN
)
1317 success
= MoveToParagraphEnd(flags
);
1319 success
= MoveDown(1, flags
);
1321 else if (keyCode
== WXK_PAGEUP
|| keyCode
== WXK_NUMPAD_PAGEUP
)
1323 success
= PageUp(1, flags
);
1325 else if (keyCode
== WXK_PAGEDOWN
|| keyCode
== WXK_NUMPAD_PAGEDOWN
)
1327 success
= PageDown(1, flags
);
1329 else if (keyCode
== WXK_HOME
|| keyCode
== WXK_NUMPAD_HOME
)
1331 if (flags
& wxRICHTEXT_CTRL_DOWN
)
1332 success
= MoveHome(flags
);
1334 success
= MoveToLineStart(flags
);
1336 else if (keyCode
== WXK_END
|| keyCode
== WXK_NUMPAD_END
)
1338 if (flags
& wxRICHTEXT_CTRL_DOWN
)
1339 success
= MoveEnd(flags
);
1341 success
= MoveToLineEnd(flags
);
1346 ScrollIntoView(m_caretPosition
, keyCode
);
1347 SetDefaultStyleToCursorStyle();
1353 /// Extend the selection. Selections are in caret positions.
1354 bool wxRichTextCtrl::ExtendSelection(long oldPos
, long newPos
, int flags
)
1356 if (flags
& wxRICHTEXT_SHIFT_DOWN
)
1358 if (oldPos
== newPos
)
1361 wxRichTextSelection oldSelection
= m_selection
;
1363 m_selection
.SetContainer(GetFocusObject());
1365 wxRichTextRange oldRange
;
1366 if (m_selection
.IsValid())
1367 oldRange
= m_selection
.GetRange();
1369 oldRange
= wxRICHTEXT_NO_SELECTION
;
1370 wxRichTextRange newRange
;
1372 // If not currently selecting, start selecting
1373 if (oldRange
.GetStart() == -2)
1375 m_selectionAnchor
= oldPos
;
1377 if (oldPos
> newPos
)
1378 newRange
.SetRange(newPos
+1, oldPos
);
1380 newRange
.SetRange(oldPos
+1, newPos
);
1384 // Always ensure that the selection range start is greater than
1386 if (newPos
> m_selectionAnchor
)
1387 newRange
.SetRange(m_selectionAnchor
+1, newPos
);
1388 else if (newPos
== m_selectionAnchor
)
1389 newRange
= wxRichTextRange(-2, -2);
1391 newRange
.SetRange(newPos
+1, m_selectionAnchor
);
1394 m_selection
.SetRange(newRange
);
1396 RefreshForSelectionChange(oldSelection
, m_selection
);
1398 if (newRange
.GetStart() > newRange
.GetEnd())
1400 wxLogDebug(wxT("Strange selection range"));
1409 /// Scroll into view, returning true if we scrolled.
1410 /// This takes a _caret_ position.
1411 bool wxRichTextCtrl::ScrollIntoView(long position
, int keyCode
)
1413 wxRichTextLine
* line
= GetVisibleLineForCaretPosition(position
);
1419 GetScrollPixelsPerUnit(& ppuX
, & ppuY
);
1421 int startXUnits
, startYUnits
;
1422 GetViewStart(& startXUnits
, & startYUnits
);
1423 int startY
= startYUnits
* ppuY
;
1426 GetVirtualSize(& sx
, & sy
);
1432 wxRect rect
= line
->GetRect();
1434 bool scrolled
= false;
1436 wxSize clientSize
= GetClientSize();
1438 int leftMargin
, rightMargin
, topMargin
, bottomMargin
;
1441 wxClientDC
dc(this);
1442 wxRichTextObject::GetTotalMargin(dc
, & GetBuffer(), GetBuffer().GetAttributes(), leftMargin
, rightMargin
,
1443 topMargin
, bottomMargin
);
1445 // clientSize.y -= GetBuffer().GetBottomMargin();
1446 clientSize
.y
-= bottomMargin
;
1448 if (GetWindowStyle() & wxRE_CENTRE_CARET
)
1450 int y
= rect
.y
- GetClientSize().y
/2;
1451 int yUnits
= (int) (0.5 + ((float) y
)/(float) ppuY
);
1452 if (y
>= 0 && (y
+ clientSize
.y
) < GetBuffer().GetCachedSize().y
)
1454 if (startYUnits
!= yUnits
)
1456 SetScrollbars(ppuX
, ppuY
, sxUnits
, syUnits
, 0, yUnits
);
1459 #if !wxRICHTEXT_USE_OWN_CARET
1469 if (keyCode
== WXK_DOWN
|| keyCode
== WXK_NUMPAD_DOWN
||
1470 keyCode
== WXK_RIGHT
|| keyCode
== WXK_NUMPAD_RIGHT
||
1471 keyCode
== WXK_END
|| keyCode
== WXK_NUMPAD_END
||
1472 keyCode
== WXK_PAGEDOWN
|| keyCode
== WXK_NUMPAD_PAGEDOWN
)
1474 if ((rect
.y
+ rect
.height
) > (clientSize
.y
+ startY
))
1476 // Make it scroll so this item is at the bottom
1478 int y
= rect
.y
- (clientSize
.y
- rect
.height
);
1479 int yUnits
= (int) (0.5 + ((float) y
)/(float) ppuY
);
1481 // If we're still off the screen, scroll another line down
1482 if ((rect
.y
+ rect
.height
) > (clientSize
.y
+ (yUnits
*ppuY
)))
1485 if (startYUnits
!= yUnits
)
1487 SetScrollbars(ppuX
, ppuY
, sxUnits
, syUnits
, 0, yUnits
);
1491 else if (rect
.y
< (startY
+ GetBuffer().GetTopMargin()))
1493 // Make it scroll so this item is at the top
1495 int y
= rect
.y
- GetBuffer().GetTopMargin();
1496 int yUnits
= (int) (0.5 + ((float) y
)/(float) ppuY
);
1498 if (startYUnits
!= yUnits
)
1500 SetScrollbars(ppuX
, ppuY
, sxUnits
, syUnits
, 0, yUnits
);
1506 else if (keyCode
== WXK_UP
|| keyCode
== WXK_NUMPAD_UP
||
1507 keyCode
== WXK_LEFT
|| keyCode
== WXK_NUMPAD_LEFT
||
1508 keyCode
== WXK_HOME
|| keyCode
== WXK_NUMPAD_HOME
||
1509 keyCode
== WXK_PAGEUP
|| keyCode
== WXK_NUMPAD_PAGEUP
)
1511 if (rect
.y
< (startY
+ GetBuffer().GetBottomMargin()))
1513 // Make it scroll so this item is at the top
1515 int y
= rect
.y
- GetBuffer().GetTopMargin();
1516 int yUnits
= (int) (0.5 + ((float) y
)/(float) ppuY
);
1518 if (startYUnits
!= yUnits
)
1520 SetScrollbars(ppuX
, ppuY
, sxUnits
, syUnits
, 0, yUnits
);
1524 else if ((rect
.y
+ rect
.height
) > (clientSize
.y
+ startY
))
1526 // Make it scroll so this item is at the bottom
1528 int y
= rect
.y
- (clientSize
.y
- rect
.height
);
1529 int yUnits
= (int) (0.5 + ((float) y
)/(float) ppuY
);
1531 // If we're still off the screen, scroll another line down
1532 if ((rect
.y
+ rect
.height
) > (clientSize
.y
+ (yUnits
*ppuY
)))
1535 if (startYUnits
!= yUnits
)
1537 SetScrollbars(ppuX
, ppuY
, sxUnits
, syUnits
, 0, yUnits
);
1543 #if !wxRICHTEXT_USE_OWN_CARET
1551 /// Is the given position visible on the screen?
1552 bool wxRichTextCtrl::IsPositionVisible(long pos
) const
1554 wxRichTextLine
* line
= GetVisibleLineForCaretPosition(pos
-1);
1560 GetScrollPixelsPerUnit(& ppuX
, & ppuY
);
1563 GetViewStart(& startX
, & startY
);
1565 startY
= startY
* ppuY
;
1567 wxRect rect
= line
->GetRect();
1568 wxSize clientSize
= GetClientSize();
1569 clientSize
.y
-= GetBuffer().GetBottomMargin();
1571 return (rect
.GetTop() >= (startY
+ GetBuffer().GetTopMargin())) && (rect
.GetBottom() <= (startY
+ clientSize
.y
));
1574 void wxRichTextCtrl::SetCaretPosition(long position
, bool showAtLineStart
)
1576 m_caretPosition
= position
;
1577 m_caretAtLineStart
= showAtLineStart
;
1580 /// Move caret one visual step forward: this may mean setting a flag
1581 /// and keeping the same position if we're going from the end of one line
1582 /// to the start of the next, which may be the exact same caret position.
1583 void wxRichTextCtrl::MoveCaretForward(long oldPosition
)
1585 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphAtPosition(oldPosition
);
1587 // Only do the check if we're not at the end of the paragraph (where things work OK
1589 if (para
&& (oldPosition
!= para
->GetRange().GetEnd() - 1))
1591 wxRichTextLine
* line
= GetFocusObject()->GetLineAtPosition(oldPosition
);
1595 wxRichTextRange lineRange
= line
->GetAbsoluteRange();
1597 // We're at the end of a line. See whether we need to
1598 // stay at the same actual caret position but change visual
1599 // position, or not.
1600 if (oldPosition
== lineRange
.GetEnd())
1602 if (m_caretAtLineStart
)
1604 // We're already at the start of the line, so actually move on now.
1605 m_caretPosition
= oldPosition
+ 1;
1606 m_caretAtLineStart
= false;
1610 // We're showing at the end of the line, so keep to
1611 // the same position but indicate that we're to show
1612 // at the start of the next line.
1613 m_caretPosition
= oldPosition
;
1614 m_caretAtLineStart
= true;
1616 SetDefaultStyleToCursorStyle();
1622 SetDefaultStyleToCursorStyle();
1625 /// Move caret one visual step backward: this may mean setting a flag
1626 /// and keeping the same position if we're going from the end of one line
1627 /// to the start of the next, which may be the exact same caret position.
1628 void wxRichTextCtrl::MoveCaretBack(long oldPosition
)
1630 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphAtPosition(oldPosition
);
1632 // Only do the check if we're not at the start of the paragraph (where things work OK
1634 if (para
&& (oldPosition
!= para
->GetRange().GetStart()))
1636 wxRichTextLine
* line
= GetFocusObject()->GetLineAtPosition(oldPosition
);
1640 wxRichTextRange lineRange
= line
->GetAbsoluteRange();
1642 // We're at the start of a line. See whether we need to
1643 // stay at the same actual caret position but change visual
1644 // position, or not.
1645 if (oldPosition
== lineRange
.GetStart())
1647 m_caretPosition
= oldPosition
-1;
1648 m_caretAtLineStart
= true;
1651 else if (oldPosition
== lineRange
.GetEnd())
1653 if (m_caretAtLineStart
)
1655 // We're at the start of the line, so keep the same caret position
1656 // but clear the start-of-line flag.
1657 m_caretPosition
= oldPosition
;
1658 m_caretAtLineStart
= false;
1662 // We're showing at the end of the line, so go back
1663 // to the previous character position.
1664 m_caretPosition
= oldPosition
- 1;
1666 SetDefaultStyleToCursorStyle();
1672 SetDefaultStyleToCursorStyle();
1676 bool wxRichTextCtrl::MoveRight(int noPositions
, int flags
)
1678 long endPos
= GetFocusObject()->GetOwnRange().GetEnd();
1680 if (m_caretPosition
+ noPositions
< endPos
)
1682 long oldPos
= m_caretPosition
;
1683 long newPos
= m_caretPosition
+ noPositions
;
1685 bool extendSel
= ExtendSelection(m_caretPosition
, newPos
, flags
);
1689 // Determine by looking at oldPos and m_caretPosition whether
1690 // we moved from the end of a line to the start of the next line, in which case
1691 // we want to adjust the caret position such that it is positioned at the
1692 // start of the next line, rather than jumping past the first character of the
1694 if (noPositions
== 1 && !extendSel
)
1695 MoveCaretForward(oldPos
);
1697 SetCaretPosition(newPos
);
1700 SetDefaultStyleToCursorStyle();
1709 bool wxRichTextCtrl::MoveLeft(int noPositions
, int flags
)
1713 if (m_caretPosition
> startPos
- noPositions
+ 1)
1715 long oldPos
= m_caretPosition
;
1716 long newPos
= m_caretPosition
- noPositions
;
1717 bool extendSel
= ExtendSelection(m_caretPosition
, newPos
, flags
);
1721 if (noPositions
== 1 && !extendSel
)
1722 MoveCaretBack(oldPos
);
1724 SetCaretPosition(newPos
);
1727 SetDefaultStyleToCursorStyle();
1735 // Find the caret position for the combination of hit-test flags and character position.
1736 // Returns the caret position and also an indication of where to place the caret (caretLineStart)
1737 // since this is ambiguous (same position used for end of line and start of next).
1738 long wxRichTextCtrl::FindCaretPositionForCharacterPosition(long position
, int hitTestFlags
, wxRichTextParagraphLayoutBox
* container
,
1739 bool& caretLineStart
)
1741 // If end of previous line, and hitTest is wxRICHTEXT_HITTEST_BEFORE,
1742 // we want to be at the end of the last line but with m_caretAtLineStart set to true,
1743 // so we view the caret at the start of the line.
1744 caretLineStart
= false;
1745 long caretPosition
= position
;
1747 if (hitTestFlags
& wxRICHTEXT_HITTEST_BEFORE
)
1749 wxRichTextLine
* thisLine
= container
->GetLineAtPosition(position
-1);
1750 wxRichTextRange lineRange
;
1752 lineRange
= thisLine
->GetAbsoluteRange();
1754 if (thisLine
&& (position
-1) == lineRange
.GetEnd())
1757 caretLineStart
= true;
1761 wxRichTextParagraph
* para
= container
->GetParagraphAtPosition(position
);
1762 if (para
&& para
->GetRange().GetStart() == position
)
1766 return caretPosition
;
1770 bool wxRichTextCtrl::MoveUp(int noLines
, int flags
)
1772 return MoveDown(- noLines
, flags
);
1776 bool wxRichTextCtrl::MoveDown(int noLines
, int flags
)
1781 long lineNumber
= GetFocusObject()->GetVisibleLineNumber(m_caretPosition
, true, m_caretAtLineStart
);
1782 wxPoint pt
= GetCaret()->GetPosition();
1783 long newLine
= lineNumber
+ noLines
;
1784 bool notInThisObject
= false;
1786 if (lineNumber
!= -1)
1790 long lastLine
= GetFocusObject()->GetVisibleLineNumber(GetFocusObject()->GetOwnRange().GetEnd());
1791 if (newLine
> lastLine
)
1792 notInThisObject
= true;
1797 notInThisObject
= true;
1801 wxRichTextParagraphLayoutBox
* container
= GetFocusObject();
1802 int hitTestFlags
= wxRICHTEXT_HITTEST_NO_NESTED_OBJECTS
|wxRICHTEXT_HITTEST_NO_FLOATING_OBJECTS
;
1804 if (notInThisObject
)
1806 // If we know we're navigating out of the current object,
1807 // try to find an object anywhere in the buffer at the new position (up or down a bit)
1808 container
= & GetBuffer();
1809 hitTestFlags
&= ~wxRICHTEXT_HITTEST_NO_NESTED_OBJECTS
;
1811 if (noLines
> 0) // going down
1813 pt
.y
= GetFocusObject()->GetPosition().y
+ GetFocusObject()->GetCachedSize().y
+ 2;
1817 pt
.y
= GetFocusObject()->GetPosition().y
- 2;
1822 wxRichTextLine
* lineObj
= GetFocusObject()->GetLineForVisibleLineNumber(newLine
);
1824 pt
.y
= lineObj
->GetAbsolutePosition().y
+ 2;
1830 wxClientDC
dc(this);
1832 dc
.SetFont(GetFont());
1834 wxRichTextObject
* hitObj
= NULL
;
1835 wxRichTextObject
* contextObj
= NULL
;
1836 int hitTest
= container
->HitTest(dc
, pt
, newPos
, & hitObj
, & contextObj
, hitTestFlags
);
1839 ((hitTest
& wxRICHTEXT_HITTEST_NONE
) == 0) &&
1840 (! (hitObj
== (& m_buffer
) && ((hitTest
& wxRICHTEXT_HITTEST_OUTSIDE
) != 0))) // outside the buffer counts as 'do nothing'
1843 if (notInThisObject
)
1845 wxRichTextParagraphLayoutBox
* actualContainer
= wxDynamicCast(contextObj
, wxRichTextParagraphLayoutBox
);
1846 if (actualContainer
&& actualContainer
!= GetFocusObject() && actualContainer
->AcceptsFocus())
1848 SetFocusObject(actualContainer
, false /* don't set caret position yet */);
1850 container
= actualContainer
;
1854 bool caretLineStart
= true;
1855 long caretPosition
= FindCaretPositionForCharacterPosition(newPos
, hitTest
, container
, caretLineStart
);
1856 long newSelEnd
= caretPosition
;
1859 if (notInThisObject
)
1862 extendSel
= ExtendSelection(m_caretPosition
, newSelEnd
, flags
);
1867 SetCaretPosition(caretPosition
, caretLineStart
);
1869 SetDefaultStyleToCursorStyle();
1877 /// Move to the end of the paragraph
1878 bool wxRichTextCtrl::MoveToParagraphEnd(int flags
)
1880 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphAtPosition(m_caretPosition
, true);
1883 long newPos
= para
->GetRange().GetEnd() - 1;
1884 bool extendSel
= ExtendSelection(m_caretPosition
, newPos
, flags
);
1888 SetCaretPosition(newPos
);
1890 SetDefaultStyleToCursorStyle();
1898 /// Move to the start of the paragraph
1899 bool wxRichTextCtrl::MoveToParagraphStart(int flags
)
1901 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphAtPosition(m_caretPosition
, true);
1904 long newPos
= para
->GetRange().GetStart() - 1;
1905 bool extendSel
= ExtendSelection(m_caretPosition
, newPos
, flags
);
1909 SetCaretPosition(newPos
);
1911 SetDefaultStyleToCursorStyle();
1919 /// Move to the end of the line
1920 bool wxRichTextCtrl::MoveToLineEnd(int flags
)
1922 wxRichTextLine
* line
= GetVisibleLineForCaretPosition(m_caretPosition
);
1926 wxRichTextRange lineRange
= line
->GetAbsoluteRange();
1927 long newPos
= lineRange
.GetEnd();
1928 bool extendSel
= ExtendSelection(m_caretPosition
, newPos
, flags
);
1932 SetCaretPosition(newPos
);
1934 SetDefaultStyleToCursorStyle();
1942 /// Move to the start of the line
1943 bool wxRichTextCtrl::MoveToLineStart(int flags
)
1945 wxRichTextLine
* line
= GetVisibleLineForCaretPosition(m_caretPosition
);
1948 wxRichTextRange lineRange
= line
->GetAbsoluteRange();
1949 long newPos
= lineRange
.GetStart()-1;
1951 bool extendSel
= ExtendSelection(m_caretPosition
, newPos
, flags
);
1955 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphForLine(line
);
1957 SetCaretPosition(newPos
, para
->GetRange().GetStart() != lineRange
.GetStart());
1959 SetDefaultStyleToCursorStyle();
1967 /// Move to the start of the buffer
1968 bool wxRichTextCtrl::MoveHome(int flags
)
1970 if (m_caretPosition
!= -1)
1972 bool extendSel
= ExtendSelection(m_caretPosition
, -1, flags
);
1976 SetCaretPosition(-1);
1978 SetDefaultStyleToCursorStyle();
1986 /// Move to the end of the buffer
1987 bool wxRichTextCtrl::MoveEnd(int flags
)
1989 long endPos
= GetFocusObject()->GetOwnRange().GetEnd()-1;
1991 if (m_caretPosition
!= endPos
)
1993 bool extendSel
= ExtendSelection(m_caretPosition
, endPos
, flags
);
1997 SetCaretPosition(endPos
);
1999 SetDefaultStyleToCursorStyle();
2007 /// Move noPages pages up
2008 bool wxRichTextCtrl::PageUp(int noPages
, int flags
)
2010 return PageDown(- noPages
, flags
);
2013 /// Move noPages pages down
2014 bool wxRichTextCtrl::PageDown(int noPages
, int flags
)
2016 // Calculate which line occurs noPages * screen height further down.
2017 wxRichTextLine
* line
= GetVisibleLineForCaretPosition(m_caretPosition
);
2020 wxSize clientSize
= GetClientSize();
2021 int newY
= line
->GetAbsolutePosition().y
+ noPages
*clientSize
.y
;
2023 wxRichTextLine
* newLine
= GetFocusObject()->GetLineAtYPosition(newY
);
2026 wxRichTextRange lineRange
= newLine
->GetAbsoluteRange();
2027 long pos
= lineRange
.GetStart()-1;
2028 if (pos
!= m_caretPosition
)
2030 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphForLine(newLine
);
2032 bool extendSel
= ExtendSelection(m_caretPosition
, pos
, flags
);
2036 SetCaretPosition(pos
, para
->GetRange().GetStart() != lineRange
.GetStart());
2038 SetDefaultStyleToCursorStyle();
2048 static bool wxRichTextCtrlIsWhitespace(const wxString
& str
)
2050 return str
== wxT(" ") || str
== wxT("\t");
2053 // Finds the caret position for the next word
2054 long wxRichTextCtrl::FindNextWordPosition(int direction
) const
2056 long endPos
= GetFocusObject()->GetOwnRange().GetEnd();
2060 long i
= m_caretPosition
+1+direction
; // +1 for conversion to character pos
2062 // First skip current text to space
2063 while (i
< endPos
&& i
> -1)
2065 // i is in character, not caret positions
2066 wxString text
= GetFocusObject()->GetTextForRange(wxRichTextRange(i
, i
));
2067 wxRichTextLine
* line
= GetFocusObject()->GetLineAtPosition(i
, false);
2068 if (line
&& (i
== line
->GetAbsoluteRange().GetEnd()))
2072 else if (!wxRichTextCtrlIsWhitespace(text
) && !text
.empty())
2079 while (i
< endPos
&& i
> -1)
2081 // i is in character, not caret positions
2082 wxString text
= GetFocusObject()->GetTextForRange(wxRichTextRange(i
, i
));
2083 wxRichTextLine
* line
= GetFocusObject()->GetLineAtPosition(i
, false);
2084 if (line
&& (i
== line
->GetAbsoluteRange().GetEnd()))
2085 return wxMax(-1, i
);
2087 if (text
.empty()) // End of paragraph, or maybe an image
2088 return wxMax(-1, i
- 1);
2089 else if (wxRichTextCtrlIsWhitespace(text
) || text
.empty())
2093 // Convert to caret position
2094 return wxMax(-1, i
- 1);
2103 long i
= m_caretPosition
;
2105 // First skip white space
2106 while (i
< endPos
&& i
> -1)
2108 // i is in character, not caret positions
2109 wxString text
= GetFocusObject()->GetTextForRange(wxRichTextRange(i
, i
));
2110 wxRichTextLine
* line
= GetFocusObject()->GetLineAtPosition(i
, false);
2112 if (text
.empty() || (line
&& (i
== line
->GetAbsoluteRange().GetStart()))) // End of paragraph, or maybe an image
2114 else if (wxRichTextCtrlIsWhitespace(text
) || text
.empty())
2119 // Next skip current text to space
2120 while (i
< endPos
&& i
> -1)
2122 // i is in character, not caret positions
2123 wxString text
= GetFocusObject()->GetTextForRange(wxRichTextRange(i
, i
));
2124 wxRichTextLine
* line
= GetFocusObject()->GetLineAtPosition(i
, false);
2125 if (line
&& line
->GetAbsoluteRange().GetStart() == i
)
2128 if (!wxRichTextCtrlIsWhitespace(text
) /* && !text.empty() */)
2141 /// Move n words left
2142 bool wxRichTextCtrl::WordLeft(int WXUNUSED(n
), int flags
)
2144 long pos
= FindNextWordPosition(-1);
2145 if (pos
!= m_caretPosition
)
2147 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphAtPosition(pos
, true);
2149 bool extendSel
= ExtendSelection(m_caretPosition
, pos
, flags
);
2153 SetCaretPosition(pos
, para
->GetRange().GetStart() != pos
);
2155 SetDefaultStyleToCursorStyle();
2163 /// Move n words right
2164 bool wxRichTextCtrl::WordRight(int WXUNUSED(n
), int flags
)
2166 long pos
= FindNextWordPosition(1);
2167 if (pos
!= m_caretPosition
)
2169 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphAtPosition(pos
, true);
2171 bool extendSel
= ExtendSelection(m_caretPosition
, pos
, flags
);
2175 SetCaretPosition(pos
, para
->GetRange().GetStart() != pos
);
2177 SetDefaultStyleToCursorStyle();
2186 void wxRichTextCtrl::OnSize(wxSizeEvent
& event
)
2188 // Only do sizing optimization for large buffers
2189 if (GetBuffer().GetOwnRange().GetEnd() > m_delayedLayoutThreshold
)
2191 m_fullLayoutRequired
= true;
2192 m_fullLayoutTime
= wxGetLocalTimeMillis();
2193 m_fullLayoutSavedPosition
= GetFirstVisiblePosition();
2194 LayoutContent(true /* onlyVisibleRect */);
2197 GetBuffer().Invalidate(wxRICHTEXT_ALL
);
2199 #if wxRICHTEXT_BUFFERED_PAINTING
2207 /// Idle-time processing
2208 void wxRichTextCtrl::OnIdle(wxIdleEvent
& event
)
2210 #if wxRICHTEXT_USE_OWN_CARET
2211 if (((wxRichTextCaret
*) GetCaret())->GetNeedsUpdate())
2213 ((wxRichTextCaret
*) GetCaret())->SetNeedsUpdate(false);
2219 const int layoutInterval
= wxRICHTEXT_DEFAULT_LAYOUT_INTERVAL
;
2221 if (m_fullLayoutRequired
&& (wxGetLocalTimeMillis() > (m_fullLayoutTime
+ layoutInterval
)))
2223 m_fullLayoutRequired
= false;
2224 m_fullLayoutTime
= 0;
2225 GetBuffer().Invalidate(wxRICHTEXT_ALL
);
2226 ShowPosition(m_fullLayoutSavedPosition
);
2230 if (m_caretPositionForDefaultStyle
!= -2)
2232 // If the caret position has changed, no longer reflect the default style
2234 if (GetCaretPosition() != m_caretPositionForDefaultStyle
)
2235 m_caretPositionForDefaultStyle
= -2;
2242 void wxRichTextCtrl::OnScroll(wxScrollWinEvent
& event
)
2244 #if wxRICHTEXT_USE_OWN_CARET
2245 if (!((wxRichTextCaret
*) GetCaret())->GetNeedsUpdate())
2248 ((wxRichTextCaret
*) GetCaret())->SetNeedsUpdate();
2255 /// Set up scrollbars, e.g. after a resize
2256 void wxRichTextCtrl::SetupScrollbars(bool atTop
)
2261 if (GetBuffer().IsEmpty())
2263 SetScrollbars(0, 0, 0, 0, 0, 0);
2267 // TODO: reimplement scrolling so we scroll by line, not by fixed number
2268 // of pixels. See e.g. wxVScrolledWindow for ideas.
2269 int pixelsPerUnit
= 5;
2270 wxSize clientSize
= GetClientSize();
2272 int maxHeight
= GetBuffer().GetCachedSize().y
+ GetBuffer().GetTopMargin();
2274 // Round up so we have at least maxHeight pixels
2275 int unitsY
= (int) (((float)maxHeight
/(float)pixelsPerUnit
) + 0.5);
2277 int startX
= 0, startY
= 0;
2279 GetViewStart(& startX
, & startY
);
2281 int maxPositionX
= 0;
2282 int maxPositionY
= (int) ((((float)(wxMax((unitsY
*pixelsPerUnit
) - clientSize
.y
, 0)))/((float)pixelsPerUnit
)) + 0.5);
2284 int newStartX
= wxMin(maxPositionX
, startX
);
2285 int newStartY
= wxMin(maxPositionY
, startY
);
2287 int oldPPUX
, oldPPUY
;
2288 int oldStartX
, oldStartY
;
2289 int oldVirtualSizeX
= 0, oldVirtualSizeY
= 0;
2290 GetScrollPixelsPerUnit(& oldPPUX
, & oldPPUY
);
2291 GetViewStart(& oldStartX
, & oldStartY
);
2292 GetVirtualSize(& oldVirtualSizeX
, & oldVirtualSizeY
);
2294 oldVirtualSizeY
/= oldPPUY
;
2296 if (oldPPUX
== 0 && oldPPUY
== pixelsPerUnit
&& oldVirtualSizeY
== unitsY
&& oldStartX
== newStartX
&& oldStartY
== newStartY
)
2299 // Don't set scrollbars if there were none before, and there will be none now.
2300 if (oldPPUY
!= 0 && (oldVirtualSizeY
*oldPPUY
< clientSize
.y
) && (unitsY
*pixelsPerUnit
< clientSize
.y
))
2303 // Move to previous scroll position if
2305 SetScrollbars(0, pixelsPerUnit
, 0, unitsY
, newStartX
, newStartY
);
2308 /// Paint the background
2309 void wxRichTextCtrl::PaintBackground(wxDC
& dc
)
2311 wxColour backgroundColour
= GetBackgroundColour();
2312 if (!backgroundColour
.Ok())
2313 backgroundColour
= wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE
);
2315 // Clear the background
2316 dc
.SetBrush(wxBrush(backgroundColour
));
2317 dc
.SetPen(*wxTRANSPARENT_PEN
);
2318 wxRect
windowRect(GetClientSize());
2319 windowRect
.x
-= 2; windowRect
.y
-= 2;
2320 windowRect
.width
+= 4; windowRect
.height
+= 4;
2322 // We need to shift the rectangle to take into account
2323 // scrolling. Converting device to logical coordinates.
2324 CalcUnscrolledPosition(windowRect
.x
, windowRect
.y
, & windowRect
.x
, & windowRect
.y
);
2325 dc
.DrawRectangle(windowRect
);
2328 #if wxRICHTEXT_BUFFERED_PAINTING
2329 /// Recreate buffer bitmap if necessary
2330 bool wxRichTextCtrl::RecreateBuffer(const wxSize
& size
)
2333 if (sz
== wxDefaultSize
)
2334 sz
= GetClientSize();
2336 if (sz
.x
< 1 || sz
.y
< 1)
2339 if (!m_bufferBitmap
.Ok() || m_bufferBitmap
.GetWidth() < sz
.x
|| m_bufferBitmap
.GetHeight() < sz
.y
)
2340 m_bufferBitmap
= wxBitmap(sz
.x
, sz
.y
);
2341 return m_bufferBitmap
.Ok();
2345 // ----------------------------------------------------------------------------
2346 // file IO functions
2347 // ----------------------------------------------------------------------------
2349 bool wxRichTextCtrl::DoLoadFile(const wxString
& filename
, int fileType
)
2351 bool success
= GetBuffer().LoadFile(filename
, (wxRichTextFileType
)fileType
);
2353 m_filename
= filename
;
2356 SetInsertionPoint(0);
2359 SetupScrollbars(true);
2361 wxTextCtrl::SendTextUpdatedEvent(this);
2367 wxLogError(_("File couldn't be loaded."));
2373 bool wxRichTextCtrl::DoSaveFile(const wxString
& filename
, int fileType
)
2375 if (GetBuffer().SaveFile(filename
, (wxRichTextFileType
)fileType
))
2377 m_filename
= filename
;
2384 wxLogError(_("The text couldn't be saved."));
2389 // ----------------------------------------------------------------------------
2390 // wxRichTextCtrl specific functionality
2391 // ----------------------------------------------------------------------------
2393 /// Add a new paragraph of text to the end of the buffer
2394 wxRichTextRange
wxRichTextCtrl::AddParagraph(const wxString
& text
)
2396 wxRichTextRange range
= GetFocusObject()->AddParagraph(text
);
2397 GetBuffer().Invalidate();
2403 wxRichTextRange
wxRichTextCtrl::AddImage(const wxImage
& image
)
2405 wxRichTextRange range
= GetFocusObject()->AddImage(image
);
2406 GetBuffer().Invalidate();
2411 // ----------------------------------------------------------------------------
2412 // selection and ranges
2413 // ----------------------------------------------------------------------------
2415 void wxRichTextCtrl::SelectAll()
2417 SetSelection(-1, -1);
2421 void wxRichTextCtrl::SelectNone()
2423 if (m_selection
.IsValid())
2425 wxRichTextSelection oldSelection
= m_selection
;
2427 m_selection
.Reset();
2429 RefreshForSelectionChange(oldSelection
, m_selection
);
2431 m_selectionAnchor
= -2;
2432 m_selectionAnchorObject
= NULL
;
2433 m_selectionState
= wxRichTextCtrlSelectionState_Normal
;
2436 static bool wxIsWordDelimiter(const wxString
& text
)
2438 return !text
.IsEmpty() && !wxIsalnum(text
[0]);
2441 /// Select the word at the given character position
2442 bool wxRichTextCtrl::SelectWord(long position
)
2444 if (position
< 0 || position
> GetFocusObject()->GetOwnRange().GetEnd())
2447 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphAtPosition(position
);
2451 if (position
== para
->GetRange().GetEnd())
2454 long positionStart
= position
;
2455 long positionEnd
= position
;
2457 for (positionStart
= position
; positionStart
>= para
->GetRange().GetStart(); positionStart
--)
2459 wxString text
= GetFocusObject()->GetTextForRange(wxRichTextRange(positionStart
, positionStart
));
2460 if (wxIsWordDelimiter(text
))
2466 if (positionStart
< para
->GetRange().GetStart())
2467 positionStart
= para
->GetRange().GetStart();
2469 for (positionEnd
= position
; positionEnd
< para
->GetRange().GetEnd(); positionEnd
++)
2471 wxString text
= GetFocusObject()->GetTextForRange(wxRichTextRange(positionEnd
, positionEnd
));
2472 if (wxIsWordDelimiter(text
))
2478 if (positionEnd
>= para
->GetRange().GetEnd())
2479 positionEnd
= para
->GetRange().GetEnd();
2481 if (positionEnd
< positionStart
)
2484 SetSelection(positionStart
, positionEnd
+1);
2486 if (positionStart
>= 0)
2488 MoveCaret(positionStart
-1, true);
2489 SetDefaultStyleToCursorStyle();
2495 wxString
wxRichTextCtrl::GetStringSelection() const
2498 GetSelection(&from
, &to
);
2500 return GetRange(from
, to
);
2503 // ----------------------------------------------------------------------------
2505 // ----------------------------------------------------------------------------
2507 wxTextCtrlHitTestResult
2508 wxRichTextCtrl::HitTest(const wxPoint
& pt
, wxTextCoord
*x
, wxTextCoord
*y
) const
2510 // implement in terms of the other overload as the native ports typically
2511 // can get the position and not (x, y) pair directly (although wxUniv
2512 // directly gets x and y -- and so overrides this method as well)
2514 wxTextCtrlHitTestResult rc
= HitTest(pt
, &pos
);
2516 if ( rc
!= wxTE_HT_UNKNOWN
)
2518 PositionToXY(pos
, x
, y
);
2524 wxTextCtrlHitTestResult
2525 wxRichTextCtrl::HitTest(const wxPoint
& pt
,
2528 wxClientDC
dc((wxRichTextCtrl
*) this);
2529 ((wxRichTextCtrl
*)this)->PrepareDC(dc
);
2531 // Buffer uses logical position (relative to start of buffer)
2533 wxPoint pt2
= GetLogicalPoint(pt
);
2535 wxRichTextObject
* hitObj
= NULL
;
2536 wxRichTextObject
* contextObj
= NULL
;
2537 int hit
= ((wxRichTextCtrl
*)this)->GetFocusObject()->HitTest(dc
, pt2
, *pos
, & hitObj
, & contextObj
, wxRICHTEXT_HITTEST_NO_NESTED_OBJECTS
);
2539 if ((hit
& wxRICHTEXT_HITTEST_BEFORE
) && (hit
& wxRICHTEXT_HITTEST_OUTSIDE
))
2540 return wxTE_HT_BEFORE
;
2541 else if ((hit
& wxRICHTEXT_HITTEST_AFTER
) && (hit
& wxRICHTEXT_HITTEST_OUTSIDE
))
2542 return wxTE_HT_BEYOND
;
2543 else if (hit
& (wxRICHTEXT_HITTEST_BEFORE
|wxRICHTEXT_HITTEST_AFTER
))
2544 return wxTE_HT_ON_TEXT
;
2546 return wxTE_HT_UNKNOWN
;
2549 // ----------------------------------------------------------------------------
2550 // set/get the controls text
2551 // ----------------------------------------------------------------------------
2553 wxString
wxRichTextCtrl::DoGetValue() const
2555 return GetBuffer().GetText();
2558 wxString
wxRichTextCtrl::GetRange(long from
, long to
) const
2560 // Public API for range is different from internals
2561 return GetFocusObject()->GetTextForRange(wxRichTextRange(from
, to
-1));
2564 void wxRichTextCtrl::DoSetValue(const wxString
& value
, int flags
)
2566 // Don't call Clear here, since it always sends a text updated event
2567 m_buffer
.ResetAndClearCommands();
2568 m_buffer
.Invalidate(wxRICHTEXT_ALL
);
2569 m_caretPosition
= -1;
2570 m_caretPositionForDefaultStyle
= -2;
2571 m_caretAtLineStart
= false;
2572 m_selection
.Reset();
2573 m_selectionState
= wxRichTextCtrlSelectionState_Normal
;
2583 if (!value
.IsEmpty())
2585 // Remove empty paragraph
2586 GetBuffer().Clear();
2587 DoWriteText(value
, flags
);
2589 // for compatibility, don't move the cursor when doing SetValue()
2590 SetInsertionPoint(0);
2594 // still send an event for consistency
2595 if (flags
& SetValue_SendEvent
)
2596 wxTextCtrl::SendTextUpdatedEvent(this);
2601 void wxRichTextCtrl::WriteText(const wxString
& value
)
2606 void wxRichTextCtrl::DoWriteText(const wxString
& value
, int flags
)
2608 wxString valueUnix
= wxTextFile::Translate(value
, wxTextFileType_Unix
);
2610 GetFocusObject()->InsertTextWithUndo(m_caretPosition
+1, valueUnix
, this, & GetBuffer(), wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE
);
2612 if ( flags
& SetValue_SendEvent
)
2613 wxTextCtrl::SendTextUpdatedEvent(this);
2616 void wxRichTextCtrl::AppendText(const wxString
& text
)
2618 SetInsertionPointEnd();
2623 /// Write an image at the current insertion point
2624 bool wxRichTextCtrl::WriteImage(const wxImage
& image
, wxBitmapType bitmapType
, const wxRichTextAttr
& textAttr
)
2626 wxRichTextImageBlock imageBlock
;
2628 wxImage image2
= image
;
2629 if (imageBlock
.MakeImageBlock(image2
, bitmapType
))
2630 return WriteImage(imageBlock
, textAttr
);
2635 bool wxRichTextCtrl::WriteImage(const wxString
& filename
, wxBitmapType bitmapType
, const wxRichTextAttr
& textAttr
)
2637 wxRichTextImageBlock imageBlock
;
2640 if (imageBlock
.MakeImageBlock(filename
, bitmapType
, image
, false))
2641 return WriteImage(imageBlock
, textAttr
);
2646 bool wxRichTextCtrl::WriteImage(const wxRichTextImageBlock
& imageBlock
, const wxRichTextAttr
& textAttr
)
2648 return GetFocusObject()->InsertImageWithUndo(m_caretPosition
+1, imageBlock
, this, & GetBuffer(), 0, textAttr
);
2651 bool wxRichTextCtrl::WriteImage(const wxBitmap
& bitmap
, wxBitmapType bitmapType
, const wxRichTextAttr
& textAttr
)
2655 wxRichTextImageBlock imageBlock
;
2657 wxImage image
= bitmap
.ConvertToImage();
2658 if (image
.Ok() && imageBlock
.MakeImageBlock(image
, bitmapType
))
2659 return WriteImage(imageBlock
, textAttr
);
2665 // Write a text box at the current insertion point.
2666 wxRichTextBox
* wxRichTextCtrl::WriteTextBox(const wxRichTextAttr
& textAttr
)
2668 wxRichTextBox
* textBox
= new wxRichTextBox
;
2669 textBox
->SetAttributes(textAttr
);
2670 textBox
->SetParent(& GetBuffer()); // set parent temporarily for AddParagraph to use correct style
2671 textBox
->AddParagraph(wxEmptyString
);
2672 textBox
->SetParent(NULL
);
2674 // The object returned is the one actually inserted into the buffer,
2675 // while the original one is deleted.
2676 wxRichTextObject
* obj
= GetFocusObject()->InsertObjectWithUndo(m_caretPosition
+1, textBox
, this, & GetBuffer(), wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE
);
2677 wxRichTextBox
* box
= wxDynamicCast(obj
, wxRichTextBox
);
2681 // Write a table at the current insertion point, returning the table.
2682 wxRichTextTable
* wxRichTextCtrl::WriteTable(int rows
, int cols
, const wxRichTextAttr
& tableAttr
, const wxRichTextAttr
& cellAttr
)
2684 wxASSERT(rows
> 0 && cols
> 0);
2686 if (rows
<= 0 || cols
<= 0)
2689 wxRichTextTable
* table
= new wxRichTextTable
;
2690 table
->SetAttributes(tableAttr
);
2691 table
->SetParent(& GetBuffer()); // set parent temporarily for AddParagraph to use correct style
2693 table
->CreateTable(rows
, cols
);
2695 table
->SetParent(NULL
);
2698 for (j
= 0; j
< rows
; j
++)
2700 for (i
= 0; i
< cols
; i
++)
2702 table
->GetCell(j
, i
)->GetAttributes() = cellAttr
;
2706 // The object returned is the one actually inserted into the buffer,
2707 // while the original one is deleted.
2708 wxRichTextObject
* obj
= GetFocusObject()->InsertObjectWithUndo(m_caretPosition
+1, table
, this, & GetBuffer(), wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE
);
2709 wxRichTextTable
* tableResult
= wxDynamicCast(obj
, wxRichTextTable
);
2714 /// Insert a newline (actually paragraph) at the current insertion point.
2715 bool wxRichTextCtrl::Newline()
2717 return GetFocusObject()->InsertNewlineWithUndo(m_caretPosition
+1, this, & GetBuffer(), wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE
);
2720 /// Insert a line break at the current insertion point.
2721 bool wxRichTextCtrl::LineBreak()
2724 text
= wxRichTextLineBreakChar
;
2725 return GetFocusObject()->InsertTextWithUndo(m_caretPosition
+1, text
, this, & GetBuffer());
2728 // ----------------------------------------------------------------------------
2729 // Clipboard operations
2730 // ----------------------------------------------------------------------------
2732 void wxRichTextCtrl::Copy()
2736 wxRichTextRange range
= GetInternalSelectionRange();
2737 GetBuffer().CopyToClipboard(range
);
2741 void wxRichTextCtrl::Cut()
2745 wxRichTextRange range
= GetInternalSelectionRange();
2746 GetBuffer().CopyToClipboard(range
);
2748 DeleteSelectedContent();
2754 void wxRichTextCtrl::Paste()
2758 BeginBatchUndo(_("Paste"));
2760 long newPos
= m_caretPosition
;
2761 DeleteSelectedContent(& newPos
);
2763 GetBuffer().PasteFromClipboard(newPos
);
2769 void wxRichTextCtrl::DeleteSelection()
2771 if (CanDeleteSelection())
2773 DeleteSelectedContent();
2777 bool wxRichTextCtrl::HasSelection() const
2779 return (m_selection
.IsValid() && m_selection
.GetContainer() == GetFocusObject());
2782 bool wxRichTextCtrl::HasUnfocusedSelection() const
2784 return m_selection
.IsValid();
2787 bool wxRichTextCtrl::CanCopy() const
2789 // Can copy if there's a selection
2790 return HasSelection();
2793 bool wxRichTextCtrl::CanCut() const
2795 return HasSelection() && IsEditable();
2798 bool wxRichTextCtrl::CanPaste() const
2800 if ( !IsEditable() )
2803 return GetBuffer().CanPasteFromClipboard();
2806 bool wxRichTextCtrl::CanDeleteSelection() const
2808 return HasSelection() && IsEditable();
2812 // ----------------------------------------------------------------------------
2814 // ----------------------------------------------------------------------------
2816 void wxRichTextCtrl::SetContextMenu(wxMenu
* menu
)
2818 if (m_contextMenu
&& m_contextMenu
!= menu
)
2819 delete m_contextMenu
;
2820 m_contextMenu
= menu
;
2823 void wxRichTextCtrl::SetEditable(bool editable
)
2825 m_editable
= editable
;
2828 void wxRichTextCtrl::SetInsertionPoint(long pos
)
2832 m_caretPosition
= pos
- 1;
2836 SetDefaultStyleToCursorStyle();
2839 void wxRichTextCtrl::SetInsertionPointEnd()
2841 long pos
= GetLastPosition();
2842 SetInsertionPoint(pos
);
2845 long wxRichTextCtrl::GetInsertionPoint() const
2847 return m_caretPosition
+1;
2850 wxTextPos
wxRichTextCtrl::GetLastPosition() const
2852 return GetFocusObject()->GetOwnRange().GetEnd();
2855 // If the return values from and to are the same, there is no
2857 void wxRichTextCtrl::GetSelection(long* from
, long* to
) const
2859 if (m_selection
.IsValid())
2861 *from
= m_selection
.GetRange().GetStart();
2862 *to
= m_selection
.GetRange().GetEnd();
2872 bool wxRichTextCtrl::IsEditable() const
2877 // ----------------------------------------------------------------------------
2879 // ----------------------------------------------------------------------------
2881 void wxRichTextCtrl::SetSelection(long from
, long to
)
2883 // if from and to are both -1, it means (in wxWidgets) that all text should
2885 if ( (from
== -1) && (to
== -1) )
2888 to
= GetLastPosition()+1;
2897 wxRichTextSelection oldSelection
= m_selection
;
2899 m_selectionAnchor
= from
-1;
2900 m_selectionAnchorObject
= NULL
;
2901 m_selection
.Set(wxRichTextRange(from
, to
-1), GetFocusObject());
2903 m_caretPosition
= wxMax(-1, to
-1);
2905 RefreshForSelectionChange(oldSelection
, m_selection
);
2910 // ----------------------------------------------------------------------------
2912 // ----------------------------------------------------------------------------
2914 void wxRichTextCtrl::Replace(long WXUNUSED(from
), long WXUNUSED(to
),
2915 const wxString
& value
)
2917 BeginBatchUndo(_("Replace"));
2919 DeleteSelectedContent();
2921 DoWriteText(value
, SetValue_SelectionOnly
);
2926 void wxRichTextCtrl::Remove(long from
, long to
)
2930 GetFocusObject()->DeleteRangeWithUndo(wxRichTextRange(from
, to
-1), this, & GetBuffer());
2937 bool wxRichTextCtrl::IsModified() const
2939 return m_buffer
.IsModified();
2942 void wxRichTextCtrl::MarkDirty()
2944 m_buffer
.Modify(true);
2947 void wxRichTextCtrl::DiscardEdits()
2949 m_caretPositionForDefaultStyle
= -2;
2950 m_buffer
.Modify(false);
2951 m_buffer
.GetCommandProcessor()->ClearCommands();
2954 int wxRichTextCtrl::GetNumberOfLines() const
2956 return GetFocusObject()->GetParagraphCount();
2959 // ----------------------------------------------------------------------------
2960 // Positions <-> coords
2961 // ----------------------------------------------------------------------------
2963 long wxRichTextCtrl::XYToPosition(long x
, long y
) const
2965 return GetFocusObject()->XYToPosition(x
, y
);
2968 bool wxRichTextCtrl::PositionToXY(long pos
, long *x
, long *y
) const
2970 return GetFocusObject()->PositionToXY(pos
, x
, y
);
2973 // ----------------------------------------------------------------------------
2975 // ----------------------------------------------------------------------------
2977 void wxRichTextCtrl::ShowPosition(long pos
)
2979 if (!IsPositionVisible(pos
))
2980 ScrollIntoView(pos
-1, WXK_DOWN
);
2983 int wxRichTextCtrl::GetLineLength(long lineNo
) const
2985 return GetFocusObject()->GetParagraphLength(lineNo
);
2988 wxString
wxRichTextCtrl::GetLineText(long lineNo
) const
2990 return GetFocusObject()->GetParagraphText(lineNo
);
2993 // ----------------------------------------------------------------------------
2995 // ----------------------------------------------------------------------------
2997 void wxRichTextCtrl::Undo()
3001 GetCommandProcessor()->Undo();
3005 void wxRichTextCtrl::Redo()
3009 GetCommandProcessor()->Redo();
3013 bool wxRichTextCtrl::CanUndo() const
3015 return GetCommandProcessor()->CanUndo() && IsEditable();
3018 bool wxRichTextCtrl::CanRedo() const
3020 return GetCommandProcessor()->CanRedo() && IsEditable();
3023 // ----------------------------------------------------------------------------
3024 // implementation details
3025 // ----------------------------------------------------------------------------
3027 void wxRichTextCtrl::Command(wxCommandEvent
& event
)
3029 SetValue(event
.GetString());
3030 GetEventHandler()->ProcessEvent(event
);
3033 void wxRichTextCtrl::OnDropFiles(wxDropFilesEvent
& event
)
3035 // By default, load the first file into the text window.
3036 if (event
.GetNumberOfFiles() > 0)
3038 LoadFile(event
.GetFiles()[0]);
3042 wxSize
wxRichTextCtrl::DoGetBestSize() const
3044 return wxSize(10, 10);
3047 // ----------------------------------------------------------------------------
3048 // standard handlers for standard edit menu events
3049 // ----------------------------------------------------------------------------
3051 void wxRichTextCtrl::OnCut(wxCommandEvent
& WXUNUSED(event
))
3056 void wxRichTextCtrl::OnClear(wxCommandEvent
& WXUNUSED(event
))
3061 void wxRichTextCtrl::OnCopy(wxCommandEvent
& WXUNUSED(event
))
3066 void wxRichTextCtrl::OnPaste(wxCommandEvent
& WXUNUSED(event
))
3071 void wxRichTextCtrl::OnUndo(wxCommandEvent
& WXUNUSED(event
))
3076 void wxRichTextCtrl::OnRedo(wxCommandEvent
& WXUNUSED(event
))
3081 void wxRichTextCtrl::OnUpdateCut(wxUpdateUIEvent
& event
)
3083 event
.Enable( CanCut() );
3086 void wxRichTextCtrl::OnUpdateCopy(wxUpdateUIEvent
& event
)
3088 event
.Enable( CanCopy() );
3091 void wxRichTextCtrl::OnUpdateClear(wxUpdateUIEvent
& event
)
3093 event
.Enable( CanDeleteSelection() );
3096 void wxRichTextCtrl::OnUpdatePaste(wxUpdateUIEvent
& event
)
3098 event
.Enable( CanPaste() );
3101 void wxRichTextCtrl::OnUpdateUndo(wxUpdateUIEvent
& event
)
3103 event
.Enable( CanUndo() );
3104 event
.SetText( GetCommandProcessor()->GetUndoMenuLabel() );
3107 void wxRichTextCtrl::OnUpdateRedo(wxUpdateUIEvent
& event
)
3109 event
.Enable( CanRedo() );
3110 event
.SetText( GetCommandProcessor()->GetRedoMenuLabel() );
3113 void wxRichTextCtrl::OnSelectAll(wxCommandEvent
& WXUNUSED(event
))
3115 if (GetLastPosition() > 0)
3119 void wxRichTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent
& event
)
3121 event
.Enable(GetLastPosition() > 0);
3124 void wxRichTextCtrl::OnProperties(wxCommandEvent
& event
)
3126 int idx
= event
.GetId() - wxID_RICHTEXT_PROPERTIES1
;
3127 if (idx
>= 0 && idx
< m_contextMenuPropertiesInfo
.GetCount())
3129 wxRichTextObject
* obj
= m_contextMenuPropertiesInfo
.GetObject(idx
);
3130 if (obj
&& obj
->CanEditProperties())
3131 obj
->EditProperties(this, & GetBuffer());
3133 m_contextMenuPropertiesInfo
.Clear();
3137 void wxRichTextCtrl::OnUpdateProperties(wxUpdateUIEvent
& event
)
3139 int idx
= event
.GetId() - wxID_RICHTEXT_PROPERTIES1
;
3140 event
.Enable(idx
>= 0 && idx
< m_contextMenuPropertiesInfo
.GetCount());
3143 void wxRichTextCtrl::OnContextMenu(wxContextMenuEvent
& event
)
3145 if (event
.GetEventObject() != this)
3151 wxClientDC
dc(this);
3153 dc
.SetFont(GetFont());
3156 wxPoint pt
= event
.GetPosition();
3157 wxPoint logicalPt
= GetLogicalPoint(ScreenToClient(pt
));
3158 wxRichTextObject
* hitObj
= NULL
;
3159 wxRichTextObject
* contextObj
= NULL
;
3160 int hit
= GetFocusObject()->HitTest(dc
, logicalPt
, position
, & hitObj
, & contextObj
);
3162 m_contextMenuPropertiesInfo
.Clear();
3164 if (hit
== wxRICHTEXT_HITTEST_ON
|| hit
== wxRICHTEXT_HITTEST_BEFORE
|| hit
== wxRICHTEXT_HITTEST_AFTER
)
3166 wxRichTextParagraphLayoutBox
* actualContainer
= wxDynamicCast(contextObj
, wxRichTextParagraphLayoutBox
);
3167 if (hitObj
&& actualContainer
)
3169 if (actualContainer
->AcceptsFocus())
3171 SetFocusObject(actualContainer
, false /* don't set caret position yet */);
3172 SetCaretPositionAfterClick(actualContainer
, position
, hit
);
3175 m_contextMenuPropertiesInfo
.AddItems(actualContainer
, hitObj
);
3178 m_contextMenuPropertiesInfo
.AddItems(GetFocusObject(), NULL
);
3182 m_contextMenuPropertiesInfo
.AddItems(GetFocusObject(), NULL
);
3187 m_contextMenuPropertiesInfo
.AddMenuItems(m_contextMenu
);
3188 PopupMenu(m_contextMenu
);
3192 bool wxRichTextCtrl::SetStyle(long start
, long end
, const wxTextAttr
& style
)
3194 return GetFocusObject()->SetStyle(wxRichTextRange(start
, end
-1), wxRichTextAttr(style
));
3197 bool wxRichTextCtrl::SetStyle(long start
, long end
, const wxRichTextAttr
& style
)
3199 return GetFocusObject()->SetStyle(wxRichTextRange(start
, end
-1), style
);
3202 bool wxRichTextCtrl::SetStyle(const wxRichTextRange
& range
, const wxTextAttr
& style
)
3204 return GetFocusObject()->SetStyle(range
.ToInternal(), wxRichTextAttr(style
));
3207 bool wxRichTextCtrl::SetStyle(const wxRichTextRange
& range
, const wxRichTextAttr
& style
)
3209 return GetFocusObject()->SetStyle(range
.ToInternal(), style
);
3212 void wxRichTextCtrl::SetStyle(wxRichTextObject
*obj
, const wxRichTextAttr
& textAttr
)
3214 GetFocusObject()->SetStyle(obj
, textAttr
);
3217 // extended style setting operation with flags including:
3218 // wxRICHTEXT_SETSTYLE_WITH_UNDO, wxRICHTEXT_SETSTYLE_OPTIMIZE, wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY.
3219 // see richtextbuffer.h for more details.
3221 bool wxRichTextCtrl::SetStyleEx(const wxRichTextRange
& range
, const wxRichTextAttr
& style
, int flags
)
3223 return GetFocusObject()->SetStyle(range
.ToInternal(), style
, flags
);
3226 bool wxRichTextCtrl::SetDefaultStyle(const wxTextAttr
& style
)
3228 return GetBuffer().SetDefaultStyle(style
);
3231 bool wxRichTextCtrl::SetDefaultStyle(const wxRichTextAttr
& style
)
3233 wxRichTextAttr
attr1(style
);
3234 attr1
.GetTextBoxAttr().Reset();
3235 return GetBuffer().SetDefaultStyle(attr1
);
3238 const wxRichTextAttr
& wxRichTextCtrl::GetDefaultStyleEx() const
3240 return GetBuffer().GetDefaultStyle();
3243 bool wxRichTextCtrl::GetStyle(long position
, wxTextAttr
& style
)
3245 wxRichTextAttr attr
;
3246 if (GetFocusObject()->GetStyle(position
, attr
))
3255 bool wxRichTextCtrl::GetStyle(long position
, wxRichTextAttr
& style
)
3257 return GetFocusObject()->GetStyle(position
, style
);
3260 bool wxRichTextCtrl::GetStyle(long position
, wxRichTextAttr
& style
, wxRichTextParagraphLayoutBox
* container
)
3262 wxRichTextAttr attr
;
3263 if (container
->GetStyle(position
, attr
))
3272 // get the common set of styles for the range
3273 bool wxRichTextCtrl::GetStyleForRange(const wxRichTextRange
& range
, wxTextAttr
& style
)
3275 wxRichTextAttr attr
;
3276 if (GetFocusObject()->GetStyleForRange(range
.ToInternal(), attr
))
3285 bool wxRichTextCtrl::GetStyleForRange(const wxRichTextRange
& range
, wxRichTextAttr
& style
)
3287 return GetFocusObject()->GetStyleForRange(range
.ToInternal(), style
);
3290 bool wxRichTextCtrl::GetStyleForRange(const wxRichTextRange
& range
, wxRichTextAttr
& style
, wxRichTextParagraphLayoutBox
* container
)
3292 return container
->GetStyleForRange(range
.ToInternal(), style
);
3295 /// Get the content (uncombined) attributes for this position.
3296 bool wxRichTextCtrl::GetUncombinedStyle(long position
, wxRichTextAttr
& style
)
3298 return GetFocusObject()->GetUncombinedStyle(position
, style
);
3301 /// Get the content (uncombined) attributes for this position.
3302 bool wxRichTextCtrl::GetUncombinedStyle(long position
, wxRichTextAttr
& style
, wxRichTextParagraphLayoutBox
* container
)
3304 return container
->GetUncombinedStyle(position
, style
);
3307 /// Set font, and also the buffer attributes
3308 bool wxRichTextCtrl::SetFont(const wxFont
& font
)
3310 wxControl::SetFont(font
);
3312 wxRichTextAttr attr
= GetBuffer().GetAttributes();
3314 GetBuffer().SetBasicStyle(attr
);
3316 GetBuffer().Invalidate(wxRICHTEXT_ALL
);
3322 /// Transform logical to physical
3323 wxPoint
wxRichTextCtrl::GetPhysicalPoint(const wxPoint
& ptLogical
) const
3326 CalcScrolledPosition(ptLogical
.x
, ptLogical
.y
, & pt
.x
, & pt
.y
);
3331 /// Transform physical to logical
3332 wxPoint
wxRichTextCtrl::GetLogicalPoint(const wxPoint
& ptPhysical
) const
3335 CalcUnscrolledPosition(ptPhysical
.x
, ptPhysical
.y
, & pt
.x
, & pt
.y
);
3340 /// Position the caret
3341 void wxRichTextCtrl::PositionCaret(wxRichTextParagraphLayoutBox
* container
)
3346 //wxLogDebug(wxT("PositionCaret"));
3349 if (GetCaretPositionForIndex(GetCaretPosition(), caretRect
, container
))
3351 wxPoint newPt
= caretRect
.GetPosition();
3352 wxSize newSz
= caretRect
.GetSize();
3353 wxPoint pt
= GetPhysicalPoint(newPt
);
3354 if (GetCaret()->GetPosition() != pt
|| GetCaret()->GetSize() != newSz
)
3357 if (GetCaret()->GetSize() != newSz
)
3358 GetCaret()->SetSize(newSz
);
3360 int halfSize
= newSz
.y
/2;
3361 // If the caret is beyond the margin, hide it by moving it out of the way
3362 if (((pt
.y
+ halfSize
) < GetBuffer().GetTopMargin()) || ((pt
.y
+ halfSize
) > (GetClientSize().y
- GetBuffer().GetBottomMargin())))
3368 GetCaret()->Move(pt
);
3374 /// Get the caret height and position for the given character position
3375 bool wxRichTextCtrl::GetCaretPositionForIndex(long position
, wxRect
& rect
, wxRichTextParagraphLayoutBox
* container
)
3377 wxClientDC
dc(this);
3378 dc
.SetFont(GetFont());
3386 container
= GetFocusObject();
3388 if (container
->FindPosition(dc
, position
, pt
, & height
, m_caretAtLineStart
))
3390 // Caret height can't be zero
3392 height
= dc
.GetCharHeight();
3394 rect
= wxRect(pt
, wxSize(wxRICHTEXT_DEFAULT_CARET_WIDTH
, height
));
3401 /// Gets the line for the visible caret position. If the caret is
3402 /// shown at the very end of the line, it means the next character is actually
3403 /// on the following line. So let's get the line we're expecting to find
3404 /// if this is the case.
3405 wxRichTextLine
* wxRichTextCtrl::GetVisibleLineForCaretPosition(long caretPosition
) const
3407 wxRichTextLine
* line
= GetFocusObject()->GetLineAtPosition(caretPosition
, true);
3408 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphAtPosition(caretPosition
, true);
3411 wxRichTextRange lineRange
= line
->GetAbsoluteRange();
3412 if (caretPosition
== lineRange
.GetStart()-1 &&
3413 (para
->GetRange().GetStart() != lineRange
.GetStart()))
3415 if (!m_caretAtLineStart
)
3416 line
= GetFocusObject()->GetLineAtPosition(caretPosition
-1, true);
3423 /// Move the caret to the given character position
3424 bool wxRichTextCtrl::MoveCaret(long pos
, bool showAtLineStart
, wxRichTextParagraphLayoutBox
* container
)
3426 if (GetBuffer().IsDirty())
3430 container
= GetFocusObject();
3432 if (pos
<= container
->GetOwnRange().GetEnd())
3434 SetCaretPosition(pos
, showAtLineStart
);
3436 PositionCaret(container
);
3444 /// Layout the buffer: which we must do before certain operations, such as
3445 /// setting the caret position.
3446 bool wxRichTextCtrl::LayoutContent(bool onlyVisibleRect
)
3448 if (GetBuffer().IsDirty() || onlyVisibleRect
)
3450 wxRect
availableSpace(GetClientSize());
3451 if (availableSpace
.width
== 0)
3452 availableSpace
.width
= 10;
3453 if (availableSpace
.height
== 0)
3454 availableSpace
.height
= 10;
3456 int flags
= wxRICHTEXT_FIXED_WIDTH
|wxRICHTEXT_VARIABLE_HEIGHT
;
3457 if (onlyVisibleRect
)
3459 flags
|= wxRICHTEXT_LAYOUT_SPECIFIED_RECT
;
3460 availableSpace
.SetPosition(GetLogicalPoint(wxPoint(0, 0)));
3463 wxClientDC
dc(this);
3464 dc
.SetFont(GetFont());
3468 GetBuffer().Defragment();
3469 GetBuffer().UpdateRanges(); // If items were deleted, ranges need recalculation
3470 GetBuffer().Layout(dc
, availableSpace
, flags
);
3471 GetBuffer().Invalidate(wxRICHTEXT_NONE
);
3480 /// Is all of the selection bold?
3481 bool wxRichTextCtrl::IsSelectionBold()
3485 wxRichTextAttr attr
;
3486 wxRichTextRange range
= GetSelectionRange();
3487 attr
.SetFlags(wxTEXT_ATTR_FONT_WEIGHT
);
3488 attr
.SetFontWeight(wxFONTWEIGHT_BOLD
);
3490 return HasCharacterAttributes(range
, attr
);
3494 // If no selection, then we need to combine current style with default style
3495 // to see what the effect would be if we started typing.
3496 wxRichTextAttr attr
;
3497 attr
.SetFlags(wxTEXT_ATTR_FONT_WEIGHT
);
3499 long pos
= GetAdjustedCaretPosition(GetCaretPosition());
3500 if (GetStyle(pos
, attr
))
3502 if (IsDefaultStyleShowing())
3503 wxRichTextApplyStyle(attr
, GetDefaultStyleEx());
3504 return attr
.GetFontWeight() == wxFONTWEIGHT_BOLD
;
3510 /// Is all of the selection italics?
3511 bool wxRichTextCtrl::IsSelectionItalics()
3515 wxRichTextRange range
= GetSelectionRange();
3516 wxRichTextAttr attr
;
3517 attr
.SetFlags(wxTEXT_ATTR_FONT_ITALIC
);
3518 attr
.SetFontStyle(wxFONTSTYLE_ITALIC
);
3520 return HasCharacterAttributes(range
, attr
);
3524 // If no selection, then we need to combine current style with default style
3525 // to see what the effect would be if we started typing.
3526 wxRichTextAttr attr
;
3527 attr
.SetFlags(wxTEXT_ATTR_FONT_ITALIC
);
3529 long pos
= GetAdjustedCaretPosition(GetCaretPosition());
3530 if (GetStyle(pos
, attr
))
3532 if (IsDefaultStyleShowing())
3533 wxRichTextApplyStyle(attr
, GetDefaultStyleEx());
3534 return attr
.GetFontStyle() == wxFONTSTYLE_ITALIC
;
3540 /// Is all of the selection underlined?
3541 bool wxRichTextCtrl::IsSelectionUnderlined()
3545 wxRichTextRange range
= GetSelectionRange();
3546 wxRichTextAttr attr
;
3547 attr
.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE
);
3548 attr
.SetFontUnderlined(true);
3550 return HasCharacterAttributes(range
, attr
);
3554 // If no selection, then we need to combine current style with default style
3555 // to see what the effect would be if we started typing.
3556 wxRichTextAttr attr
;
3557 attr
.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE
);
3558 long pos
= GetAdjustedCaretPosition(GetCaretPosition());
3560 if (GetStyle(pos
, attr
))
3562 if (IsDefaultStyleShowing())
3563 wxRichTextApplyStyle(attr
, GetDefaultStyleEx());
3564 return attr
.GetFontUnderlined();
3570 /// Apply bold to the selection
3571 bool wxRichTextCtrl::ApplyBoldToSelection()
3573 wxRichTextAttr attr
;
3574 attr
.SetFlags(wxTEXT_ATTR_FONT_WEIGHT
);
3575 attr
.SetFontWeight(IsSelectionBold() ? wxFONTWEIGHT_NORMAL
: wxFONTWEIGHT_BOLD
);
3578 return SetStyleEx(GetSelectionRange(), attr
, wxRICHTEXT_SETSTYLE_WITH_UNDO
|wxRICHTEXT_SETSTYLE_OPTIMIZE
|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY
);
3581 wxRichTextAttr current
= GetDefaultStyleEx();
3582 current
.Apply(attr
);
3583 SetAndShowDefaultStyle(current
);
3588 /// Apply italic to the selection
3589 bool wxRichTextCtrl::ApplyItalicToSelection()
3591 wxRichTextAttr attr
;
3592 attr
.SetFlags(wxTEXT_ATTR_FONT_ITALIC
);
3593 attr
.SetFontStyle(IsSelectionItalics() ? wxFONTSTYLE_NORMAL
: wxFONTSTYLE_ITALIC
);
3596 return SetStyleEx(GetSelectionRange(), attr
, wxRICHTEXT_SETSTYLE_WITH_UNDO
|wxRICHTEXT_SETSTYLE_OPTIMIZE
|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY
);
3599 wxRichTextAttr current
= GetDefaultStyleEx();
3600 current
.Apply(attr
);
3601 SetAndShowDefaultStyle(current
);
3606 /// Apply underline to the selection
3607 bool wxRichTextCtrl::ApplyUnderlineToSelection()
3609 wxRichTextAttr attr
;
3610 attr
.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE
);
3611 attr
.SetFontUnderlined(!IsSelectionUnderlined());
3614 return SetStyleEx(GetSelectionRange(), attr
, wxRICHTEXT_SETSTYLE_WITH_UNDO
|wxRICHTEXT_SETSTYLE_OPTIMIZE
|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY
);
3617 wxRichTextAttr current
= GetDefaultStyleEx();
3618 current
.Apply(attr
);
3619 SetAndShowDefaultStyle(current
);
3624 /// Is all of the selection aligned according to the specified flag?
3625 bool wxRichTextCtrl::IsSelectionAligned(wxTextAttrAlignment alignment
)
3627 wxRichTextRange range
;
3629 range
= GetSelectionRange();
3631 range
= wxRichTextRange(GetCaretPosition()+1, GetCaretPosition()+2);
3633 wxRichTextAttr attr
;
3634 attr
.SetAlignment(alignment
);
3636 return HasParagraphAttributes(range
, attr
);
3639 /// Apply alignment to the selection
3640 bool wxRichTextCtrl::ApplyAlignmentToSelection(wxTextAttrAlignment alignment
)
3642 wxRichTextAttr attr
;
3643 attr
.SetAlignment(alignment
);
3645 return SetStyle(GetSelectionRange(), attr
);
3648 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphAtPosition(GetCaretPosition()+1);
3650 return SetStyleEx(para
->GetRange().FromInternal(), attr
, wxRICHTEXT_SETSTYLE_WITH_UNDO
|wxRICHTEXT_SETSTYLE_OPTIMIZE
|wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY
);
3655 /// Apply a named style to the selection
3656 bool wxRichTextCtrl::ApplyStyle(wxRichTextStyleDefinition
* def
)
3658 // Flags are defined within each definition, so only certain
3659 // attributes are applied.
3660 wxRichTextAttr
attr(GetStyleSheet() ? def
->GetStyleMergedWithBase(GetStyleSheet()) : def
->GetStyle());
3662 int flags
= wxRICHTEXT_SETSTYLE_WITH_UNDO
|wxRICHTEXT_SETSTYLE_OPTIMIZE
|wxRICHTEXT_SETSTYLE_RESET
;
3664 if (def
->IsKindOf(CLASSINFO(wxRichTextListStyleDefinition
)))
3666 flags
|= wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY
;
3668 wxRichTextRange range
;
3671 range
= GetSelectionRange();
3674 long pos
= GetAdjustedCaretPosition(GetCaretPosition());
3675 range
= wxRichTextRange(pos
, pos
+1);
3678 return SetListStyle(range
, (wxRichTextListStyleDefinition
*) def
, flags
);
3681 bool isPara
= false;
3683 // Make sure the attr has the style name
3684 if (def
->IsKindOf(CLASSINFO(wxRichTextParagraphStyleDefinition
)))
3687 attr
.SetParagraphStyleName(def
->GetName());
3689 // If applying a paragraph style, we only want the paragraph nodes to adopt these
3690 // attributes, and not the leaf nodes. This will allow the content (e.g. text)
3691 // to change its style independently.
3692 flags
|= wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY
;
3695 attr
.SetCharacterStyleName(def
->GetName());
3698 return SetStyleEx(GetSelectionRange(), attr
, flags
);
3701 wxRichTextAttr current
= GetDefaultStyleEx();
3702 wxRichTextAttr
defaultStyle(attr
);
3705 // Don't apply extra character styles since they are already implied
3706 // in the paragraph style
3707 defaultStyle
.SetFlags(defaultStyle
.GetFlags() & ~wxTEXT_ATTR_CHARACTER
);
3709 current
.Apply(defaultStyle
);
3710 SetAndShowDefaultStyle(current
);
3712 // If it's a paragraph style, we want to apply the style to the
3713 // current paragraph even if we didn't select any text.
3716 long pos
= GetAdjustedCaretPosition(GetCaretPosition());
3717 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphAtPosition(pos
);
3720 return SetStyleEx(para
->GetRange().FromInternal(), attr
, flags
);
3727 /// Apply the style sheet to the buffer, for example if the styles have changed.
3728 bool wxRichTextCtrl::ApplyStyleSheet(wxRichTextStyleSheet
* styleSheet
)
3731 styleSheet
= GetBuffer().GetStyleSheet();
3735 if (GetBuffer().ApplyStyleSheet(styleSheet
))
3737 GetBuffer().Invalidate(wxRICHTEXT_ALL
);
3745 /// Sets the default style to the style under the cursor
3746 bool wxRichTextCtrl::SetDefaultStyleToCursorStyle()
3748 wxRichTextAttr attr
;
3749 attr
.SetFlags(wxTEXT_ATTR_CHARACTER
);
3751 // If at the start of a paragraph, use the next position.
3752 long pos
= GetAdjustedCaretPosition(GetCaretPosition());
3754 if (GetUncombinedStyle(pos
, attr
))
3756 SetDefaultStyle(attr
);
3763 /// Returns the first visible position in the current view
3764 long wxRichTextCtrl::GetFirstVisiblePosition() const
3766 wxRichTextLine
* line
= GetFocusObject()->GetLineAtYPosition(GetLogicalPoint(wxPoint(0, 0)).y
);
3768 return line
->GetAbsoluteRange().GetStart();
3773 /// Get the first visible point in the window
3774 wxPoint
wxRichTextCtrl::GetFirstVisiblePoint() const
3777 int startXUnits
, startYUnits
;
3779 GetScrollPixelsPerUnit(& ppuX
, & ppuY
);
3780 GetViewStart(& startXUnits
, & startYUnits
);
3782 return wxPoint(startXUnits
* ppuX
, startYUnits
* ppuY
);
3785 /// The adjusted caret position is the character position adjusted to take
3786 /// into account whether we're at the start of a paragraph, in which case
3787 /// style information should be taken from the next position, not current one.
3788 long wxRichTextCtrl::GetAdjustedCaretPosition(long caretPos
) const
3790 wxRichTextParagraph
* para
= GetFocusObject()->GetParagraphAtPosition(caretPos
+1);
3792 if (para
&& (caretPos
+1 == para
->GetRange().GetStart()))
3797 /// Get/set the selection range in character positions. -1, -1 means no selection.
3798 /// The range is in API convention, i.e. a single character selection is denoted
3800 wxRichTextRange
wxRichTextCtrl::GetSelectionRange() const
3802 wxRichTextRange range
= GetInternalSelectionRange();
3803 if (range
!= wxRichTextRange(-2,-2) && range
!= wxRichTextRange(-1,-1))
3804 range
.SetEnd(range
.GetEnd() + 1);
3808 void wxRichTextCtrl::SetSelectionRange(const wxRichTextRange
& range
)
3810 SetSelection(range
.GetStart(), range
.GetEnd());
3814 bool wxRichTextCtrl::SetListStyle(const wxRichTextRange
& range
, wxRichTextListStyleDefinition
* def
, int flags
, int startFrom
, int specifiedLevel
)
3816 return GetFocusObject()->SetListStyle(range
.ToInternal(), def
, flags
, startFrom
, specifiedLevel
);
3819 bool wxRichTextCtrl::SetListStyle(const wxRichTextRange
& range
, const wxString
& defName
, int flags
, int startFrom
, int specifiedLevel
)
3821 return GetFocusObject()->SetListStyle(range
.ToInternal(), defName
, flags
, startFrom
, specifiedLevel
);
3824 /// Clear list for given range
3825 bool wxRichTextCtrl::ClearListStyle(const wxRichTextRange
& range
, int flags
)
3827 return GetFocusObject()->ClearListStyle(range
.ToInternal(), flags
);
3830 /// Number/renumber any list elements in the given range
3831 bool wxRichTextCtrl::NumberList(const wxRichTextRange
& range
, wxRichTextListStyleDefinition
* def
, int flags
, int startFrom
, int specifiedLevel
)
3833 return GetFocusObject()->NumberList(range
.ToInternal(), def
, flags
, startFrom
, specifiedLevel
);
3836 bool wxRichTextCtrl::NumberList(const wxRichTextRange
& range
, const wxString
& defName
, int flags
, int startFrom
, int specifiedLevel
)
3838 return GetFocusObject()->NumberList(range
.ToInternal(), defName
, flags
, startFrom
, specifiedLevel
);
3841 /// Promote the list items within the given range. promoteBy can be a positive or negative number, e.g. 1 or -1
3842 bool wxRichTextCtrl::PromoteList(int promoteBy
, const wxRichTextRange
& range
, wxRichTextListStyleDefinition
* def
, int flags
, int specifiedLevel
)
3844 return GetFocusObject()->PromoteList(promoteBy
, range
.ToInternal(), def
, flags
, specifiedLevel
);
3847 bool wxRichTextCtrl::PromoteList(int promoteBy
, const wxRichTextRange
& range
, const wxString
& defName
, int flags
, int specifiedLevel
)
3849 return GetFocusObject()->PromoteList(promoteBy
, range
.ToInternal(), defName
, flags
, specifiedLevel
);
3852 /// Deletes the content in the given range
3853 bool wxRichTextCtrl::Delete(const wxRichTextRange
& range
)
3855 return GetFocusObject()->DeleteRangeWithUndo(range
.ToInternal(), this, & GetBuffer());
3858 const wxArrayString
& wxRichTextCtrl::GetAvailableFontNames()
3860 if (sm_availableFontNames
.GetCount() == 0)
3862 sm_availableFontNames
= wxFontEnumerator::GetFacenames();
3863 sm_availableFontNames
.Sort();
3865 return sm_availableFontNames
;
3868 void wxRichTextCtrl::ClearAvailableFontNames()
3870 sm_availableFontNames
.Clear();
3873 void wxRichTextCtrl::OnSysColourChanged(wxSysColourChangedEvent
& WXUNUSED(event
))
3875 //wxLogDebug(wxT("wxRichTextCtrl::OnSysColourChanged"));
3877 wxTextAttrEx basicStyle
= GetBasicStyle();
3878 basicStyle
.SetTextColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT
));
3879 SetBasicStyle(basicStyle
);
3880 SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW
));
3885 // Refresh the area affected by a selection change
3886 bool wxRichTextCtrl::RefreshForSelectionChange(const wxRichTextSelection
& oldSelection
, const wxRichTextSelection
& newSelection
)
3888 // If the selection is not part of the focus object, or we have multiple ranges, then the chances are that
3889 // the selection contains whole containers rather than just text, so refresh everything
3890 // for now as it would be hard to compute the rectangle bounding all selections.
3891 // TODO: improve on this.
3892 if ((oldSelection
.IsValid() && (oldSelection
.GetContainer() != GetFocusObject() || oldSelection
.GetCount() > 1)) ||
3893 (newSelection
.IsValid() && (newSelection
.GetContainer() != GetFocusObject() || newSelection
.GetCount() > 1)))
3899 wxRichTextRange oldRange
, newRange
;
3900 if (oldSelection
.IsValid())
3901 oldRange
= oldSelection
.GetRange();
3903 oldRange
= wxRICHTEXT_NO_SELECTION
;
3904 if (newSelection
.IsValid())
3905 newRange
= newSelection
.GetRange();
3907 newRange
= wxRICHTEXT_NO_SELECTION
;
3909 // Calculate the refresh rectangle - just the affected lines
3910 long firstPos
, lastPos
;
3911 if (oldRange
.GetStart() == -2 && newRange
.GetStart() != -2)
3913 firstPos
= newRange
.GetStart();
3914 lastPos
= newRange
.GetEnd();
3916 else if (oldRange
.GetStart() != -2 && newRange
.GetStart() == -2)
3918 firstPos
= oldRange
.GetStart();
3919 lastPos
= oldRange
.GetEnd();
3921 else if (oldRange
.GetStart() == -2 && newRange
.GetStart() == -2)
3927 firstPos
= wxMin(oldRange
.GetStart(), newRange
.GetStart());
3928 lastPos
= wxMax(oldRange
.GetEnd(), newRange
.GetEnd());
3931 wxRichTextLine
* firstLine
= GetFocusObject()->GetLineAtPosition(firstPos
);
3932 wxRichTextLine
* lastLine
= GetFocusObject()->GetLineAtPosition(lastPos
);
3934 if (firstLine
&& lastLine
)
3936 wxSize clientSize
= GetClientSize();
3937 wxPoint pt1
= GetPhysicalPoint(firstLine
->GetAbsolutePosition());
3938 wxPoint pt2
= GetPhysicalPoint(lastLine
->GetAbsolutePosition()) + wxPoint(0, lastLine
->GetSize().y
);
3941 pt1
.y
= wxMax(0, pt1
.y
);
3943 pt2
.y
= wxMin(clientSize
.y
, pt2
.y
);
3945 wxRect
rect(pt1
, wxSize(clientSize
.x
, pt2
.y
- pt1
.y
));
3946 RefreshRect(rect
, false);
3954 // margins functions
3955 bool wxRichTextCtrl::DoSetMargins(const wxPoint
& pt
)
3957 GetBuffer().GetAttributes().GetTextBoxAttr().GetMargins().GetLeft().SetValue(pt
.x
, wxTEXT_ATTR_UNITS_PIXELS
);
3958 GetBuffer().GetAttributes().GetTextBoxAttr().GetMargins().GetRight().SetValue(pt
.x
, wxTEXT_ATTR_UNITS_PIXELS
);
3959 GetBuffer().GetAttributes().GetTextBoxAttr().GetMargins().GetTop().SetValue(pt
.y
, wxTEXT_ATTR_UNITS_PIXELS
);
3960 GetBuffer().GetAttributes().GetTextBoxAttr().GetMargins().GetBottom().SetValue(pt
.y
, wxTEXT_ATTR_UNITS_PIXELS
);
3965 wxPoint
wxRichTextCtrl::DoGetMargins() const
3967 return wxPoint(GetBuffer().GetAttributes().GetTextBoxAttr().GetMargins().GetLeft().GetValue(),
3968 GetBuffer().GetAttributes().GetTextBoxAttr().GetMargins().GetTop().GetValue());
3971 bool wxRichTextCtrl::SetFocusObject(wxRichTextParagraphLayoutBox
* obj
, bool setCaretPosition
)
3973 if (obj
&& !obj
->AcceptsFocus())
3976 wxRichTextParagraphLayoutBox
* oldContainer
= GetFocusObject();
3977 bool changingContainer
= (m_focusObject
!= obj
);
3979 m_focusObject
= obj
;
3982 m_focusObject
= & m_buffer
;
3984 if (setCaretPosition
&& changingContainer
)
3986 m_selection
.Reset();
3987 m_selectionAnchor
= -2;
3988 m_selectionAnchorObject
= NULL
;
3989 m_selectionState
= wxRichTextCtrlSelectionState_Normal
;
3993 m_caretAtLineStart
= false;
3994 MoveCaret(pos
, m_caretAtLineStart
);
3995 SetDefaultStyleToCursorStyle();
3997 wxRichTextEvent
cmdEvent(
3998 wxEVT_COMMAND_RICHTEXT_FOCUS_OBJECT_CHANGED
,
4000 cmdEvent
.SetEventObject(this);
4001 cmdEvent
.SetPosition(m_caretPosition
+1);
4002 cmdEvent
.SetOldContainer(oldContainer
);
4003 cmdEvent
.SetContainer(m_focusObject
);
4005 GetEventHandler()->ProcessEvent(cmdEvent
);
4010 #if wxRICHTEXT_USE_OWN_CARET
4012 // ----------------------------------------------------------------------------
4013 // initialization and destruction
4014 // ----------------------------------------------------------------------------
4016 void wxRichTextCaret::Init()
4022 m_richTextCtrl
= NULL
;
4023 m_needsUpdate
= false;
4027 wxRichTextCaret::~wxRichTextCaret()
4029 if (m_timer
.IsRunning())
4033 // ----------------------------------------------------------------------------
4034 // showing/hiding/moving the caret (base class interface)
4035 // ----------------------------------------------------------------------------
4037 void wxRichTextCaret::DoShow()
4041 if (!m_timer
.IsRunning())
4042 m_timer
.Start(GetBlinkTime());
4047 void wxRichTextCaret::DoHide()
4049 if (m_timer
.IsRunning())
4055 void wxRichTextCaret::DoMove()
4061 if (m_xOld
!= -1 && m_yOld
!= -1)
4065 wxRect
rect(GetPosition(), GetSize());
4066 m_richTextCtrl
->RefreshRect(rect
, false);
4075 void wxRichTextCaret::DoSize()
4077 int countVisible
= m_countVisible
;
4078 if (countVisible
> 0)
4084 if (countVisible
> 0)
4086 m_countVisible
= countVisible
;
4091 // ----------------------------------------------------------------------------
4092 // handling the focus
4093 // ----------------------------------------------------------------------------
4095 void wxRichTextCaret::OnSetFocus()
4103 void wxRichTextCaret::OnKillFocus()
4108 // ----------------------------------------------------------------------------
4109 // drawing the caret
4110 // ----------------------------------------------------------------------------
4112 void wxRichTextCaret::Refresh()
4116 wxRect
rect(GetPosition(), GetSize());
4117 m_richTextCtrl
->RefreshRect(rect
, false);
4121 void wxRichTextCaret::DoDraw(wxDC
*dc
)
4123 dc
->SetPen( *wxBLACK_PEN
);
4125 dc
->SetBrush(*(m_hasFocus
? wxBLACK_BRUSH
: wxTRANSPARENT_BRUSH
));
4126 dc
->SetPen(*wxBLACK_PEN
);
4128 wxPoint
pt(m_x
, m_y
);
4132 pt
= m_richTextCtrl
->GetLogicalPoint(pt
);
4134 if (IsVisible() && m_flashOn
)
4135 dc
->DrawRectangle(pt
.x
, pt
.y
, m_width
, m_height
);
4138 void wxRichTextCaret::Notify()
4140 m_flashOn
= !m_flashOn
;
4144 void wxRichTextCaretTimer::Notify()
4149 // wxRICHTEXT_USE_OWN_CARET
4152 bool wxRichTextContextMenuPropertiesInfo::AddItem(const wxString
& label
, wxRichTextObject
* obj
)
4156 m_labels
.Add(label
);
4164 // Returns number of menu items were added.
4165 int wxRichTextContextMenuPropertiesInfo::AddMenuItems(wxMenu
* menu
, int startCmd
) const
4167 wxMenuItem
* item
= menu
->FindItem(startCmd
);
4168 // If none of the standard properties identifiers are in the menu, assume it's
4169 // a custom menu without properties commands, and don't add them.
4172 // If no items, to add just set the text to something generic
4173 if (GetCount() == 0)
4175 menu
->SetLabel(startCmd
, _("&Properties"));
4177 // Delete the others if necessary
4179 for (i
= startCmd
+1; i
< startCmd
+3; i
++)
4181 if (menu
->FindItem(i
))
4191 // Find the position of the first properties item
4192 for (i
= 0; i
< (int) menu
->GetMenuItemCount(); i
++)
4194 wxMenuItem
* item
= menu
->FindItemByPosition(i
);
4195 if (item
&& item
->GetId() == startCmd
)
4204 int insertBefore
= pos
+1;
4205 for (i
= startCmd
; i
< startCmd
+GetCount(); i
++)
4207 if (menu
->FindItem(i
))
4209 menu
->SetLabel(i
, m_labels
[i
- startCmd
]);
4213 if (insertBefore
>= (int) menu
->GetMenuItemCount())
4214 menu
->Append(i
, m_labels
[i
- startCmd
]);
4216 menu
->Insert(insertBefore
, i
, m_labels
[i
- startCmd
]);
4221 // Delete any old items still left on the menu
4222 for (i
= startCmd
+ GetCount(); i
< startCmd
+3; i
++)
4224 if (menu
->FindItem(i
))
4236 // Add appropriate menu items for the current container and clicked on object
4237 // (and container's parent, if appropriate).
4238 int wxRichTextContextMenuPropertiesInfo::AddItems(wxRichTextObject
* container
, wxRichTextObject
* obj
)
4241 if (obj
&& obj
->CanEditProperties())
4242 AddItem(obj
->GetPropertiesMenuLabel(), obj
);
4244 if (container
&& container
!= obj
&& container
->CanEditProperties() && m_labels
.Index(container
->GetPropertiesMenuLabel()) == wxNOT_FOUND
)
4245 AddItem(container
->GetPropertiesMenuLabel(), container
);
4247 if (container
&& container
->GetParent() && container
->GetParent()->CanEditProperties() && m_labels
.Index(container
->GetParent()->GetPropertiesMenuLabel()) == wxNOT_FOUND
)
4248 AddItem(container
->GetParent()->GetPropertiesMenuLabel(), container
->GetParent());