+++ /dev/null
-/*-*- c++ -*-********************************************************
- * wxLwindow.h : a scrolled Window for displaying/entering rich text*
- * *
- * (C) 1998-2000 by Karsten Ballüder (ballueder@gmx.net) *
- * *
- * $Id$
- *******************************************************************/
-
-// ============================================================================
-// declarations
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
-
-#include "wx/wxprec.h"
-
-#ifdef __BORLANDC__
-# pragma hdrstop
-#endif
-
-#include "Mpch.h"
-
-#ifdef M_BASEDIR
-# ifndef USE_PCH
-# include "Mcommon.h"
-# include "gui/wxMenuDefs.h"
-# include "gui/wxMApp.h"
-# endif // USE_PCH
-# include "gui/wxlwindow.h"
-# include "gui/wxlparser.h"
-
-# include "MDialogs.h"
-# include "strutil.h"
-#else
-# ifdef __WXMSW__
-# include "wx/msw/private.h"
-# endif
-
-# include "wxlwindow.h"
-# include "wxlparser.h"
-#endif
-
-#include "wx/clipbrd.h"
-#include "wx/textctrl.h"
-#include "wx/dataobj.h"
-
-#ifdef WXLAYOUT_USE_CARET
-# include "wx/caret.h"
-#endif // WXLAYOUT_USE_CARET
-
-#include <ctype.h>
-
-
-// ----------------------------------------------------------------------------
-// macros
-// ----------------------------------------------------------------------------
-
-#ifdef DEBUG
-# define WXLO_DEBUG(x) wxLogDebug x
-#else
-# define WXLO_DEBUG(x)
-#endif
-
-// for profiling in debug mode:
-WXLO_TIMER_DEFINE(UpdateTimer);
-WXLO_TIMER_DEFINE(BlitTimer);
-WXLO_TIMER_DEFINE(LayoutTimer);
-WXLO_TIMER_DEFINE(TmpTimer);
-WXLO_TIMER_DEFINE(DrawTimer);
-
-// ----------------------------------------------------------------------------
-// constants
-// ----------------------------------------------------------------------------
-
-/// offsets to put a nice frame around text
-#define WXLO_XOFFSET 4
-#define WXLO_YOFFSET 4
-
-/// offset to the right and bottom for when to redraw scrollbars
-#define WXLO_ROFFSET 20
-#define WXLO_BOFFSET 20
-
-/// scroll margins when selecting with the mouse
-#define WXLO_SCROLLMARGIN_X 10
-#define WXLO_SCROLLMARGIN_Y 10
-
-/// the size of one scrollbar page in pixels
-static const int X_SCROLL_PAGE = 10;
-static const int Y_SCROLL_PAGE = 20;
-
-
-
-// ----------------------------------------------------------------------------
-// event tables
-// ----------------------------------------------------------------------------
-
-BEGIN_EVENT_TABLE(wxLayoutWindow,wxScrolledWindow)
- EVT_SIZE (wxLayoutWindow::OnSize)
-
- EVT_PAINT (wxLayoutWindow::OnPaint)
-
- EVT_CHAR (wxLayoutWindow::OnChar)
- EVT_KEY_UP (wxLayoutWindow::OnKeyUp)
-
- EVT_LEFT_DOWN(wxLayoutWindow::OnLeftMouseDown)
- EVT_LEFT_UP(wxLayoutWindow::OnLeftMouseUp)
- EVT_RIGHT_DOWN(wxLayoutWindow::OnRightMouseClick)
- EVT_LEFT_DCLICK(wxLayoutWindow::OnMouseDblClick)
- EVT_MIDDLE_DOWN(wxLayoutWindow::OnMiddleMouseDown)
- EVT_MOTION (wxLayoutWindow::OnMouseMove)
-
- EVT_UPDATE_UI(WXLOWIN_MENU_UNDERLINE, wxLayoutWindow::OnUpdateMenuUnderline)
- EVT_UPDATE_UI(WXLOWIN_MENU_BOLD, wxLayoutWindow::OnUpdateMenuBold)
- EVT_UPDATE_UI(WXLOWIN_MENU_ITALICS, wxLayoutWindow::OnUpdateMenuItalic)
- EVT_MENU_RANGE(WXLOWIN_MENU_FIRST, WXLOWIN_MENU_LAST, wxLayoutWindow::OnMenu)
-
- EVT_SET_FOCUS(wxLayoutWindow::OnSetFocus)
- EVT_KILL_FOCUS(wxLayoutWindow::OnKillFocus)
-
-// EVT_IDLE(wxLayoutWindow::ResizeScrollbars)
-END_EVENT_TABLE()
-
-// ----------------------------------------------------------------------------
-// function prototypes
-// ----------------------------------------------------------------------------
-
-/// returns true if keyCode is one of arrows/home/end/page{up|down} keys
-static bool IsDirectionKey(long keyCode);
-
-// ============================================================================
-// implementation
-// ============================================================================
-
-#ifndef wxWANTS_CHARS
-# define wxWANTS_CHARS 0
-#endif
-
-// ----------------------------------------------------------------------------
-// wxLayoutWindow
-// ----------------------------------------------------------------------------
-
-wxLayoutWindow::wxLayoutWindow(wxWindow *parent)
- : wxScrolledWindow(parent, wxID_ANY,
- wxDefaultPosition, wxDefaultSize,
- wxHSCROLL | wxVSCROLL |
- wxBORDER |
- wxWANTS_CHARS),
- m_llist(NULL)
-{
-#if wxUSE_STATUSBAR
- SetStatusBar(NULL); // don't use statusbar
-#endif // wxUSE_STATUSBAR
- m_Editable = false;
- m_doSendEvents = false;
- m_ViewStartX = 0; m_ViewStartY = 0;
- m_DoPopupMenu = true;
- m_PopupMenu = MakeFormatMenu();
- m_memDC = new wxMemoryDC;
- m_bitmap = new wxBitmap(4,4);
- m_bitmapSize = wxPoint(4,4);
- m_llist = new wxLayoutList();
- m_BGbitmap = NULL;
- m_ScrollToCursor = false;
-#ifndef __WXMSW__
- m_FocusFollowMode = false;
-#endif
- SetWordWrap(false);
- SetWrapMargin(0);
-
- // no scrollbars initially
- m_hasHScrollbar =
- m_hasVScrollbar = false;
-
- m_Selecting = false;
-
-#ifdef WXLAYOUT_USE_CARET
- // FIXME cursor size shouldn't be hardcoded
- wxCaret *caret = new wxCaret(this, 2, 20);
- SetCaret(caret);
- m_llist->SetCaret(caret);
-#endif // WXLAYOUT_USE_CARET
-
- m_HaveFocus = false;
- m_HandCursor = false;
- m_CursorVisibility = -1;
- SetCursor(wxCURSOR_IBEAM);
- SetDirty();
-
- // at least under Windows, this should be the default behaviour
- m_AutoDeleteSelection = true;
-}
-
-wxLayoutWindow::~wxLayoutWindow()
-{
- delete m_memDC; // deletes bitmap automatically (?)
- delete m_bitmap;
- delete m_llist;
- delete m_PopupMenu;
- SetBackgroundBitmap(NULL);
-}
-
-void
-wxLayoutWindow::Clear(int family,
- int size,
- int style,
- int weight,
- int underline,
- wxColour *fg,
- wxColour *bg)
-{
- GetLayoutList()->Clear(family,size,style,weight,underline,fg,bg);
- SetBackgroundColour(GetLayoutList()->GetDefaultStyleInfo().GetBGColour());
- //wxScrolledWindow::Clear();
- ResizeScrollbars(true);
- SetDirty();
- SetModified(false);
- if ( m_Editable )
- m_CursorVisibility = 1;
-
-#ifdef WXLAYOUT_USE_CARET
- if ( m_CursorVisibility == 1 )
- GetCaret()->Show();
-#endif // WXLAYOUT_USE_CARET
-
- RequestUpdate((wxRect *)NULL);
-}
-
-void wxLayoutWindow::Refresh(bool eraseBackground, const wxRect *rect)
-{
- wxScrolledWindow::Refresh(eraseBackground, rect);
-}
-
-void
-wxLayoutWindow::OnMouse(int eventId, wxMouseEvent& event)
-{
- wxClientDC dc( this );
- PrepareDC( dc );
- if ( (eventId != WXLOWIN_MENU_MOUSEMOVE
-#ifndef __WXMSW__
- || m_FocusFollowMode
-#endif
- )
- && (wxWindow::FindFocus() != this) )
- {
- SetFocus();
- }
-
- wxPoint findPos;
- findPos.x = dc.DeviceToLogicalX(event.GetX());
- findPos.y = dc.DeviceToLogicalY(event.GetY());
-
- findPos.x -= WXLO_XOFFSET;
- findPos.y -= WXLO_YOFFSET;
-
- if(findPos.x < 0)
- findPos.x = 0;
-
- if(findPos.y < 0)
- findPos.y = 0;
-
- m_ClickPosition = wxPoint(event.GetX(), event.GetY());
-
- // Scroll the window if the mouse is at the end of it:
- if(m_Selecting && eventId == WXLOWIN_MENU_MOUSEMOVE)
- {
- //WXLO_DEBUG(("selecting at : %d/%d", (int) event.GetX(), (int)event.GetY()));
- int left, top;
- GetViewStart(&left, &top);
- wxSize size = GetClientSize();
- int xdelta, ydelta;
-
- if(event.GetX() < WXLO_SCROLLMARGIN_X)
- xdelta = -(WXLO_SCROLLMARGIN_X-event.GetX());
- else if(event.GetX() > size.x-WXLO_SCROLLMARGIN_X)
- xdelta = event.GetX()-size.x+WXLO_SCROLLMARGIN_X;
- else
- xdelta = 0;
-
- if(event.GetY() < WXLO_SCROLLMARGIN_Y)
- ydelta = -(WXLO_SCROLLMARGIN_Y-event.GetY());
- else if(event.GetY() > size.y-WXLO_SCROLLMARGIN_Y)
- ydelta = event.GetY()-size.y+WXLO_SCROLLMARGIN_Y;
- else
- ydelta = 0;
-
- //WXLO_DEBUG(("xdelta: %d", (int) xdelta));
- if(xdelta != 0 || ydelta != 0)
- {
- top += ydelta; if(top < 0) top = 0;
- left += xdelta; if(left < 0) left = 0;
- Scroll(left, top);
- }
- }
-
- wxPoint cursorPos;
- bool found;
- wxLayoutObject *obj = m_llist->FindObjectScreen(dc, findPos,
- &cursorPos, &found);
- wxLayoutObject::UserData *u = obj ? obj->GetUserData() : NULL;
-
- // has the mouse only been moved?
- switch ( eventId )
- {
- case WXLOWIN_MENU_MOUSEMOVE:
- {
- // this variables is used to only erase the message in the status
- // bar if we had put it there previously - otherwise empting status
- // bar might be undesirable
-#if wxUSE_STATUSBAR
- static bool s_hasPutMessageInStatusBar = false;
-#endif // wxUSE_STATUSBAR
-
- // found is only true if we are really over an object, not just
- // behind it
- if(found && u && ! m_Selecting)
- {
- if(!m_HandCursor)
- SetCursor(wxCURSOR_HAND);
- m_HandCursor = true;
-#if wxUSE_STATUSBAR
- if(m_StatusBar && m_StatusFieldLabel != -1)
- {
- const wxString &label = u->GetLabel();
- if(label.Length())
- {
- m_StatusBar->SetStatusText(label,m_StatusFieldLabel);
- s_hasPutMessageInStatusBar = true;
- }
- }
-#endif // wxUSE_STATUSBAR
- }
- else
- {
- if(m_HandCursor)
- SetCursor(wxCURSOR_IBEAM);
- m_HandCursor = false;
-#if wxUSE_STATUSBAR
- if( m_StatusBar && m_StatusFieldLabel != -1 &&
- s_hasPutMessageInStatusBar )
- {
- m_StatusBar->SetStatusText(wxEmptyString, m_StatusFieldLabel);
- }
-#endif // wxUSE_STATUSBAR
- }
- }
-
- // selecting?
- if ( event.LeftIsDown() )
- {
- // m_Selecting might not be set if the button got pressed
- // outside this window, so check for it:
- if( m_Selecting )
- {
- m_llist->ContinueSelection(cursorPos, m_ClickPosition);
- RequestUpdate(); // TODO: we don't have to redraw everything!
- }
- }
-
- if ( u )
- {
- u->DecRef();
- u = NULL;
- }
- break;
-
- case WXLOWIN_MENU_LDOWN:
- {
- // always move cursor to mouse click:
- m_llist->MoveCursorTo(cursorPos);
-
- // clicking a mouse removes the selection
- if ( m_llist->HasSelection() )
- {
- m_llist->DiscardSelection();
- m_Selecting = false;
- RequestUpdate(); // TODO: we don't have to redraw everything!
- }
-
- // Calculate where the top of the visible area is:
- int x0, y0;
- GetViewStart(&x0,&y0);
- int dx, dy;
- GetScrollPixelsPerUnit(&dx, &dy);
- x0 *= dx; y0 *= dy;
-
- wxPoint offset(-x0+WXLO_XOFFSET, -y0+WXLO_YOFFSET);
-
- if(m_CursorVisibility == -1)
- m_CursorVisibility = 1;
-
-#ifdef WXLAYOUT_USE_CARET
- if ( m_CursorVisibility == 1 )
- GetCaret()->Show();
-#endif // WXLAYOUT_USE_CARET
-
- if(m_CursorVisibility)
- {
- // draw a thick cursor for editable windows with focus
- m_llist->DrawCursor(dc, m_HaveFocus && IsEditable(), offset);
- }
-
-#ifdef __WXGTK__
- RequestUpdate(); // RequestUpdate suppresses flicker under GTK
-#endif // wxGTK
-
- // start selection
- m_llist->StartSelection(wxPoint(-1, -1), m_ClickPosition);
- m_Selecting = true;
- }
- break;
-
- case WXLOWIN_MENU_LUP:
- if ( m_Selecting )
- {
- // end selection at the cursor position corresponding to the
- // current mouse position, but don´t move cursor there.
- m_llist->EndSelection(cursorPos,m_ClickPosition);
- m_Selecting = false;
-
- RequestUpdate(); // TODO: we don't have to redraw everything!
- }
- break;
-
- case WXLOWIN_MENU_MDOWN:
- Paste(true);
- break;
-
- case WXLOWIN_MENU_DBLCLICK:
- // select a word under cursor
- m_llist->MoveCursorTo(cursorPos);
- m_llist->MoveCursorWord(-1);
- m_llist->StartSelection();
- m_llist->MoveCursorWord(1, false);
- m_llist->EndSelection();
- m_Selecting = false;
- RequestUpdate(); // TODO: we don't have to redraw everything!
- break;
- }
-
- // notify about mouse events?
- if( m_doSendEvents )
- {
- // only do the menu if activated, editable and not on a clickable object
- if(eventId == WXLOWIN_MENU_RCLICK
- && IsEditable()
- && (! obj || u == NULL))
- {
- PopupMenu(m_PopupMenu, m_ClickPosition.x, m_ClickPosition.y);
- if(u) u->DecRef();
- return;
- }
-
- // find the object at this position
- if(obj)
- {
- wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, eventId);
- commandEvent.SetEventObject( this );
- commandEvent.SetClientData((char *)obj);
- GetEventHandler()->ProcessEvent(commandEvent);
- }
- }
-
- if( u ) u->DecRef();
-}
-
-// ----------------------------------------------------------------------------
-// keyboard handling.
-// ----------------------------------------------------------------------------
-
-void
-wxLayoutWindow::OnChar(wxKeyEvent& event)
-{
- int keyCode = event.GetKeyCode();
- bool ctrlDown = event.ControlDown();
-
-#ifdef WXLAYOUT_DEBUG
- if(keyCode == WXK_F1)
- {
- m_llist->Debug();
- return;
- }
-#endif
-
- // Force m_Selecting to be false if shift is no longer
- // pressed. OnKeyUp() cannot catch all Shift-Up events.
- if(m_Selecting && !event.ShiftDown())
- {
- m_Selecting = false;
- m_llist->EndSelection();
- m_llist->DiscardSelection(); //FIXME: correct?
- }
-
- // If we deleted the selection here, we must not execute the
- // deletion in Delete/Backspace handling.
- bool deletedSelection = false;
- // pressing any non-arrow key optionally replaces the selection:
- if(m_AutoDeleteSelection
- && IsEditable()
- && !m_Selecting
- && m_llist->HasSelection()
- && ! IsDirectionKey(keyCode)
- && ! (event.AltDown() || ctrlDown) )
- {
- m_llist->DeleteSelection();
- deletedSelection = true;
- SetDirty();
- }
-
- // <Shift>+<arrow> starts selection
- if ( IsDirectionKey(keyCode) )
- {
- // just continue the old selection
- if ( m_Selecting && event.ShiftDown() )
- {
- m_llist->ContinueSelection();
- }
- else
- {
- m_llist->DiscardSelection();
- m_Selecting = false;
- if( event.ShiftDown() )
- {
- m_Selecting = true;
- m_llist->StartSelection();
- }
- }
- }
-
- // If needed, make cursor visible:
- if(m_CursorVisibility == -1)
- m_CursorVisibility = 1;
-
- /* These two nested switches work like this:
- The first one processes all non-editing keycodes, to move the
- cursor, etc. It's default will process all keycodes causing
- modifications to the buffer, but only if editing is allowed.
- */
- switch(keyCode)
- {
-
- case WXK_RIGHT:
- if ( ctrlDown )
- m_llist->MoveCursorWord(1);
- else
- m_llist->MoveCursorHorizontally(1);
- break;
-
- case WXK_LEFT:
- if ( ctrlDown )
- m_llist->MoveCursorWord(-1);
- else
- m_llist->MoveCursorHorizontally(-1);
-
- break;
-
- case WXK_UP:
- m_llist->MoveCursorVertically(-1);
- break;
-
- case WXK_DOWN:
- m_llist->MoveCursorVertically(1);
- break;
-
- case WXK_PRIOR:
- m_llist->MoveCursorVertically(-Y_SCROLL_PAGE);
- break;
-
- case WXK_NEXT:
- m_llist->MoveCursorVertically(Y_SCROLL_PAGE);
- break;
-
- case WXK_HOME:
- if ( ctrlDown )
- m_llist->MoveCursorTo(wxPoint(0, 0));
- else
- m_llist->MoveCursorToBeginOfLine();
- break;
-
- case WXK_END:
- if ( ctrlDown )
- m_llist->MoveCursorToEnd();
- else
- m_llist->MoveCursorToEndOfLine();
- break;
-
- default:
-
- if(ctrlDown && ! IsEditable())
- {
- switch(keyCode)
- {
-
- case 'c':
- // this should work even in read-only mode
- Copy(true, true);
- break;
-
- case 's': // search
- Find(wxEmptyString);
- break;
-
- case 't': // search again
- FindAgain();
- break;
-
- default:
- // we don't handle it, maybe an accelerator?
- event.Skip();
- ;
- }
- }
- else if( IsEditable() )
- {
- /* First, handle control keys */
- if(ctrlDown && ! event.AltDown())
- {
- if(keyCode >= 'A' && keyCode <= 'Z')
- keyCode = tolower(keyCode);
-
- switch(keyCode)
- {
-
- case WXK_INSERT:
- Copy();
- break;
-
- case WXK_DELETE :
- if(! deletedSelection)
- {
- m_llist->DeleteWord();
- SetDirty();
- }
- break;
-
- case 'd':
- if(! deletedSelection) // already done
- {
- m_llist->Delete(1);
- SetDirty();
- }
- break;
-
- case 'y':
- m_llist->DeleteLines(1);
- SetDirty();
- break;
-
- case 'h': // like backspace
- if(m_llist->MoveCursorHorizontally(-1))
- {
- m_llist->Delete(1);
- SetDirty();
- }
- break;
-
- case 's': // search
- Find(wxEmptyString);
- break;
-
- case 't': // search again
- FindAgain();
- break;
-
- case 'u':
- m_llist->DeleteToBeginOfLine();
- SetDirty();
- break;
-
- case 'k':
- m_llist->DeleteToEndOfLine();
- SetDirty();
- break;
-
- case 'c':
- Copy(true, true);
- break;
-
- case 'v':
- Paste(true);
- break;
-
- case 'x':
- Cut();
- break;
-
- case 'w':
- if(m_WrapMargin > 0)
- m_llist->WrapLine(m_WrapMargin);
- break;
-
- case 'q':
- if(m_WrapMargin > 0)
- m_llist->WrapAll(m_WrapMargin);
- break;
-
-#ifdef WXLAYOUT_DEBUG
- case WXK_F1:
- m_llist->SetFont(-1,-1,-1,-1,true); // underlined
- break;
-
- case 'l':
- Refresh(true);
- break;
-#endif
-
- default:
- // we don't handle it, maybe an accelerator?
- event.Skip();
- }
- }
- // ALT only:
- else if( event.AltDown() && ! event.ControlDown() )
- {
- switch(keyCode)
- {
- case WXK_DELETE:
- case 'd':
- m_llist->DeleteWord();
- SetDirty();
- break;
-
- default:
- // we don't handle it, maybe an accelerator?
- event.Skip();
- }
- }
- // no control keys:
- else if ( ! event.AltDown() && ! event.ControlDown())
- {
- switch(keyCode)
- {
- case WXK_INSERT:
- if(event.ShiftDown())
- Paste();
- break;
-
- case WXK_DELETE :
- if(event.ShiftDown())
- {
- Cut();
- }
- else if(! deletedSelection)
- {
- m_llist->Delete(1);
- SetDirty();
- }
- break;
-
- case WXK_BACK: // backspace
- if(! deletedSelection)
- {
- if(m_llist->MoveCursorHorizontally(-1))
- {
- m_llist->Delete(1);
- SetDirty();
- }
- }
- break;
-
- case WXK_RETURN:
- if (m_DoWordWrap &&
- m_WrapMargin > 0
- && m_llist->GetCursorPos().x > m_WrapMargin )
- {
- m_llist->WrapLine(m_WrapMargin);
- }
-
- m_llist->LineBreak();
- SetDirty();
- break;
-
- case WXK_TAB:
- if ( !event.ShiftDown() )
- {
- // TODO should be configurable
- static const int tabSize = 8;
-
- CoordType x = m_llist->GetCursorPos().x;
- size_t numSpaces = tabSize - x % tabSize;
- m_llist->Insert(wxString(' ', numSpaces));
- SetDirty();
- }
- break;
-
- default:
- if ( ( !(event.ControlDown() || event.AltDown()) )
- && (keyCode < 256 && keyCode >= 32) )
- {
- if ( m_DoWordWrap
- && m_WrapMargin > 0
- && m_llist->GetCursorPos().x > m_WrapMargin
- && isspace(keyCode) )
- {
- m_llist->WrapLine(m_WrapMargin);
- }
-
- m_llist->Insert((wxChar)keyCode);
- SetDirty();
- }
- else
- {
- // we don't handle it, maybe an accelerator?
- event.Skip();
- }
- break;
- }
-
- }
- }// if(IsEditable())
- else
- {
- // we don't handle it, maybe an accelerator?
- event.Skip();
- }
- }// first switch()
-
- if ( m_Selecting )
- {
- // continue selection to the current (new) cursor position
- m_llist->ContinueSelection();
- }
-
- ScrollToCursor();
- // refresh the screen
- RequestUpdate(m_llist->GetUpdateRect());
-}
-
-void
-wxLayoutWindow::OnKeyUp(wxKeyEvent& event)
-{
- if ( event.GetKeyCode() == WXK_SHIFT && m_Selecting )
- {
- m_llist->EndSelection();
- m_Selecting = false;
- }
-
- event.Skip();
-}
-
-
-void
-wxLayoutWindow::ScrollToCursor()
-{
- //is always needed to make sure we know where the cursor is
- //if(IsDirty())
- //RequestUpdate(m_llist->GetUpdateRect());
-
-
- ResizeScrollbars();
-
- int x0,y0,x1,y1, dx, dy;
-
- // Calculate where the top of the visible area is:
- GetViewStart(&x0,&y0);
- GetScrollPixelsPerUnit(&dx, &dy);
- x0 *= dx; y0 *= dy;
-
- WXLO_DEBUG(("ScrollToCursor: GetViewStart is %d/%d", x0, y0));
-
- // Get the size of the visible window:
- GetClientSize(&x1, &y1);
-
- // Make sure that the scrollbars are at a position so that the cursor is
- // visible if we are editing
- WXLO_DEBUG(("m_ScrollToCursor = %d", (int) m_ScrollToCursor));
- wxPoint cc = m_llist->GetCursorScreenPos();
-
- // the cursor should be completely visible in both directions
- wxPoint cs(m_llist->GetCursorSize());
- int nx = -1,
- ny = -1;
-
- if ( cc.x < x0 || cc.x >= x0 + x1 - cs.x )
- {
- nx = cc.x - x1/2;
- if ( nx < 0 )
- nx = 0;
- }
-
- if ( cc.y < y0 || cc.y >= y0 + y1 - cs.y )
- {
- ny = cc.y - y1/2;
- if ( ny < 0)
- ny = 0;
- }
-
- if( nx != -1 || ny != -1 )
- {
- // set new view start
- Scroll(nx == -1 ? -1 : (nx+dx-1)/dx, ny == -1 ? -1 : (ny+dy-1)/dy);
- // avoid recursion
- m_ScrollToCursor = false;
- RequestUpdate();
- }
-}
-
-void
-wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event))
-{
- wxRect region = GetUpdateRegion().GetBox();
- InternalPaint(®ion);
-}
-
-void
-wxLayoutWindow::RequestUpdate(const wxRect *
-#ifdef __WXGTK__
- updateRect
-#else
- WXUNUSED(updateRect)
-#endif
-)
-{
-#ifdef __WXGTK__
- // Calling Refresh() causes bad flicker under wxGTK!!!
- InternalPaint(updateRect);
-#else
- // shouldn't specify the update rectangle if it doesn't include all the
- // changed locations - otherwise, they won't be repainted at all because
- // the system clips the display to the update rect
- Refresh(false); //, updateRect);
-#endif
-}
-
-void
-wxLayoutWindow::InternalPaint(const wxRect *updateRect)
-{
-
- wxPaintDC dc( this );
- PrepareDC( dc );
-
-#ifdef WXLAYOUT_USE_CARET
- // hide the caret before drawing anything
- GetCaret()->Hide();
-#endif // WXLAYOUT_USE_CARET
-
- int x0,y0,x1,y1, dx, dy;
-
- // Calculate where the top of the visible area is:
- GetViewStart(&x0,&y0);
- GetScrollPixelsPerUnit(&dx, &dy);
- x0 *= dx; y0 *= dy;
-
- // Get the size of the visible window:
- GetClientSize(&x1,&y1);
- wxASSERT(x1 >= 0);
- wxASSERT(y1 >= 0);
-
- if(updateRect)
- {
- WXLO_DEBUG(("Update rect: %ld,%ld / %ld,%ld",
- updateRect->x, updateRect->y,
- updateRect->x+updateRect->width,
- updateRect->y+updateRect->height));
- }
-
- ResizeScrollbars(true);
-
- WXLO_TIMER_START(TmpTimer);
- /* Check whether the window has grown, if so, we need to reallocate
- the bitmap to be larger. */
- if(x1 > m_bitmapSize.x || y1 > m_bitmapSize.y)
- {
- wxASSERT(m_bitmapSize.x > 0);
- wxASSERT(m_bitmapSize.y > 0);
-
- m_memDC->SelectObject(wxNullBitmap);
- delete m_bitmap;
- m_bitmapSize = wxPoint(x1,y1);
- m_bitmap = new wxBitmap(x1,y1);
- m_memDC->SelectObject(*m_bitmap);
- }
-
- m_memDC->SetDeviceOrigin(0,0);
- m_memDC->SetBackground(wxBrush(m_llist->GetDefaultStyleInfo().GetBGColour(),wxSOLID));
- m_memDC->SetPen(wxPen(m_llist->GetDefaultStyleInfo().GetBGColour(),
- 0,wxTRANSPARENT));
- m_memDC->SetLogicalFunction(wxCOPY);
- m_memDC->Clear();
- WXLO_TIMER_STOP(TmpTimer);
-
- // fill the background with the background bitmap
- if(m_BGbitmap)
- {
- CoordType
- y, x,
- w = m_BGbitmap->GetWidth(),
- h = m_BGbitmap->GetHeight();
- for(y = 0; y < y1; y+=h)
- {
- for(x = 0; x < x1; x+=w)
- {
- m_memDC->DrawBitmap(*m_BGbitmap, x, y);
- }
- }
-
- m_memDC->SetBackgroundMode(wxTRANSPARENT);
- }
-
- // This is the important bit: we tell the list to draw itself
-#if WXLO_DEBUG_URECT
- if(updateRect)
- {
- WXLO_DEBUG(("Update rect: %ld,%ld / %ld,%ld",
- updateRect->x, updateRect->y,
- updateRect->x+updateRect->width,
- updateRect->y+updateRect->height));
- }
-#endif
-
- // Device origins on the memDC are suspect, we translate manually
- // with the translate parameter of Draw().
- wxPoint offset(-x0+WXLO_XOFFSET,-y0+WXLO_YOFFSET);
- m_llist->Draw(*m_memDC,offset, y0, y0+y1);
-
- // We start calculating a new update rect before drawing the
- // cursor, so that the cursor coordinates get included in the next
- // update rectangle (although they are drawn on the memDC, this is
- // needed to erase it):
- m_llist->InvalidateUpdateRect();
- if(m_CursorVisibility == 1)
- {
- // draw a thick cursor for editable windows with focus
- m_llist->DrawCursor(*m_memDC,
- m_HaveFocus && IsEditable(),
- offset);
- }
-
- WXLO_TIMER_START(BlitTimer);
-// Now copy everything to the screen:
-#if 0
- // This somehow doesn't work, but even the following bit with the
- // whole rect at once is still a bit broken I think.
- wxRegionIterator ri ( GetUpdateRegion() );
- if(ri)
- while(ri)
- {
- WXLO_DEBUG(("UpdateRegion: %ld,%ld, %ld,%ld",
- ri.GetX(),ri.GetY(),ri.GetW(),ri.GetH()));
-
- dc.Blit(x0+ri.GetX(),y0+ri.GetY(),ri.GetW(),ri.GetH(),
- m_memDC,ri.GetX(),ri.GetY(),wxCOPY,false);
- ri++;
- }
- else
-#endif
- {
- // FIXME: Trying to copy only the changed parts, but it does not seem
- // to work:
-// x0 = updateRect->x; y0 = updateRect->y;
-// if(updateRect->height < y1)
-// y1 = updateRect->height;
-// y1 += WXLO_YOFFSET; //FIXME might not be needed
- dc.Blit(x0,y0,x1,y1,m_memDC,0,0,wxCOPY,false);
- }
-
- WXLO_TIMER_STOP(BlitTimer);
-
-
-#ifdef WXLAYOUT_USE_CARET
- // show the caret back after everything is redrawn
- GetCaret()->Show();
-#endif // WXLAYOUT_USE_CARET
-
- ResetDirty();
-
-#if wxUSE_STATUSBAR
- if ( m_StatusBar && m_StatusFieldCursor != -1 )
- {
- static wxPoint s_oldCursorPos(-1, -1);
-
- wxPoint pos(m_llist->GetCursorPos());
-
- // avoid unnecessary status bar refreshes
- if ( pos != s_oldCursorPos )
- {
- s_oldCursorPos = pos;
-
- wxString label;
- label.Printf(_("Ln:%d Col:%d"), pos.y + 1, pos.x + 1);
- m_StatusBar->SetStatusText(label, m_StatusFieldCursor);
- }
- }
-#endif // wxUSE_STATUSBAR
-
- WXLO_TIMER_PRINT(LayoutTimer);
- WXLO_TIMER_PRINT(BlitTimer);
- WXLO_TIMER_PRINT(TmpTimer);
-}
-
-void
-wxLayoutWindow::OnSize(wxSizeEvent &event)
-{
- if ( m_llist )
- ResizeScrollbars();
-
- event.Skip();
-}
-
-/*
-Change the range and position of scrollbars. Has evolved into a
-generic Update function which will at some time later cause a repaint
-as needed.
-*/
-
-void
-wxLayoutWindow::ResizeScrollbars(bool exact)
-{
- wxClientDC dc( this );
- PrepareDC( dc );
-// m_llist->ForceTotalLayout();
-
- if(! IsDirty())
- {
- // we are laying out just the minimum, but always up to the
- // cursor line, so the cursor position is updated.
- m_llist->Layout(dc, 0);
- return;
- }
-
- WXLO_TIMER_START(LayoutTimer);
- m_llist->Layout(dc, -1);
- WXLO_TIMER_STOP(LayoutTimer);
- ResetDirty();
-
- wxPoint max = m_llist->GetSize();
- wxSize size = GetClientSize();
-
- WXLO_DEBUG(("ResizeScrollbars: max size = (%ld, %ld)",
- (long int)max.x, (long int) max.y));
-
- // in the absence of scrollbars we should compare with the client size
- if ( !m_hasHScrollbar )
- m_maxx = size.x;// - WXLO_ROFFSET;
-
- if ( !m_hasVScrollbar )
- m_maxy = size.y;// - WXLO_BOFFSET;
-
- // check if the text hasn't become too big
- // TODO why do we set both at once? they're independent...
- if( max.x > m_maxx - WXLO_ROFFSET
- || max.y > m_maxy - WXLO_BOFFSET
- || (max.x < m_maxx - X_SCROLL_PAGE)
- || (max.y < m_maxy - Y_SCROLL_PAGE)
- || exact )
- {
- // text became too large
- if ( !exact )
- {
- // add an extra bit to the sizes to avoid future updates
- max.x += WXLO_ROFFSET;
- max.y += WXLO_BOFFSET;
- }
-
- bool done = false;
-
- if(max.x < X_SCROLL_PAGE && m_hasHScrollbar)
- {
- SetScrollbars(0,-1,0,-1,0,-1,true);
- m_hasHScrollbar = false;
- done = true;
- }
-
- if(max.y < Y_SCROLL_PAGE && m_hasVScrollbar)
- {
- SetScrollbars(-1,0,-1,0,-1,0,true);
- m_hasVScrollbar = false;
- done = true;
- }
-
- if (! done &&
-// (max.x > X_SCROLL_PAGE || max.y > Y_SCROLL_PAGE)
- (max.x > size.x - X_SCROLL_PAGE|| max.y > size.y - Y_SCROLL_PAGE) )
- {
- GetViewStart(&m_ViewStartX, &m_ViewStartY);
-
- SetScrollbars(X_SCROLL_PAGE,
- Y_SCROLL_PAGE,
- max.x / X_SCROLL_PAGE + 2,
- max.y / Y_SCROLL_PAGE + 2,
- m_ViewStartX,
- m_ViewStartY,
- true);
-
- m_hasHScrollbar =
- m_hasVScrollbar = true;
-// ScrollToCursor();
- }
-
- m_maxx = max.x + X_SCROLL_PAGE;
- m_maxy = max.y + Y_SCROLL_PAGE;
- }
-}
-
-// ----------------------------------------------------------------------------
-//
-// clipboard operations
-//
-// ----------------------------------------------------------------------------
-
-void
-wxLayoutWindow::Paste(bool usePrivate, bool primary)
-{
- // this only has an effect under X11:
- wxTheClipboard->UsePrimarySelection(primary);
- // Read some text
- if (wxTheClipboard->Open())
- {
- if(usePrivate)
- {
- wxLayoutDataObject wxldo;
- if (wxTheClipboard->IsSupported( wxldo.GetFormat() ))
- {
- if(wxTheClipboard->GetData(wxldo))
- {
- wxTheClipboard->Close();
- wxString str = wxldo.GetLayoutData();
- m_llist->Read(str);
- SetDirty();
- RequestUpdate();
- return;
- }
- }
- }
-
- wxTextDataObject data;
- if (wxTheClipboard->IsSupported( data.GetFormat() )
- && wxTheClipboard->GetData(data) )
- {
- wxTheClipboard->Close();
- wxString text = data.GetText();
- wxLayoutImportText( m_llist, text);
- SetDirty();
- RequestUpdate();
- return;
- }
- }
- // if everything failed we can still try the primary:
- wxTheClipboard->Close();
- if(! primary) // not tried before
- {
- wxTheClipboard->UsePrimarySelection();
- if (wxTheClipboard->Open())
- {
- wxTextDataObject data;
- if (wxTheClipboard->IsSupported( data.GetFormat() )
- && wxTheClipboard->GetData(data) )
- {
- wxString text = data.GetText();
- wxLayoutImportText( m_llist, text);
- SetDirty();
- RequestUpdate();
- }
- wxTheClipboard->Close();
- }
- }
-}
-
-bool
-wxLayoutWindow::Copy(bool invalidate, bool privateFormat, bool primary)
-{
- // Calling GetSelection() will automatically do an EndSelection()
- // on the list, but we need to take a note of it, too:
- if(m_Selecting)
- {
- m_Selecting = false;
- m_llist->EndSelection();
- }
-
- wxLayoutDataObject *wldo = new wxLayoutDataObject;
- wxLayoutList *llist = m_llist->GetSelection(wldo, invalidate);
- if(! llist)
- return false;
- // Export selection as text:
- wxString text;
- wxLayoutExportObject *exp;
- wxLayoutExportStatus status(llist);
- while((exp = wxLayoutExport( &status, WXLO_EXPORT_AS_TEXT)) != NULL)
- {
- if(exp->type == WXLO_EXPORT_TEXT)
- text << *(exp->content.text);
-
- delete exp;
- }
-
- delete llist;
-
- // The exporter always appends a newline, so we chop it off if it
- // is there:
- {
- size_t len = text.Length();
- if(len > 2 && text[len-2] == '\r') // Windows
- text = text.Mid(0,len-2);
- else if(len > 1 && text[len-1] == '\n')
- text = text.Mid(0,len-1);
- }
-
-#if 0
- if(! primary) // always copy as text-only to primary selection
- {
- wxTheClipboard->UsePrimarySelection();
- if (wxTheClipboard->Open())
- {
- wxTextDataObject *data = new wxTextDataObject( text );
- wxTheClipboard->SetData( data );
- wxTheClipboard->Close();
- }
- }
-#endif
-
- wxTheClipboard->UsePrimarySelection(primary);
- if (wxTheClipboard->Open())
- {
- wxTextDataObject *data = new wxTextDataObject( text );
- bool rc = wxTheClipboard->SetData( data );
-
- if(privateFormat)
- rc |= wxTheClipboard->SetData( wldo );
-
- wxTheClipboard->Close();
- return rc;
- }
- else
- {
- delete wldo;
- }
-
- return false;
-}
-
-bool
-wxLayoutWindow::Cut(bool privateFormat, bool usePrimary)
-{
- if(Copy(false, privateFormat, usePrimary)) // do not invalidate selection after copy
- {
- m_llist->DeleteSelection();
- SetDirty();
- return true;
- }
- else
- {
- return false;
- }
-}
-
-// ----------------------------------------------------------------------------
-// searching
-// ----------------------------------------------------------------------------
-
-bool
-wxLayoutWindow::Find(
-#ifdef M_BASEDIR
- const wxString &needle,
- wxPoint * fromWhere,
- const wxString &configPath
-#else
- const wxString & WXUNUSED(needle),
- wxPoint * WXUNUSED(fromWhere),
- const wxString & WXUNUSED(configPath)
-#endif
-)
-{
-#ifdef M_BASEDIR
- wxPoint found;
-
- if(needle.Length() == 0)
- {
- if( ! MInputBox(&m_FindString,
- _("Find text"),
- _(" Find:"),
- this,
- configPath, "")
- || strutil_isempty(m_FindString))
- {
- return true;
- }
- }
- else
- {
- m_FindString = needle;
- }
-
- if(fromWhere == NULL)
- found = m_llist->FindText(m_FindString, m_llist->GetCursorPos());
- else
- found = m_llist->FindText(m_FindString, *fromWhere);
-
- if(found.x != -1)
- {
- if(fromWhere)
- {
- *fromWhere = found;
- fromWhere->x ++;
- }
-
- m_llist->MoveCursorTo(found);
- ScrollToCursor();
- RequestUpdate();
-
- return true;
- }
-#endif
-
- return false;
-}
-
-
-bool
-wxLayoutWindow::FindAgain()
-{
- bool rc = Find(m_FindString);
- return rc;
-}
-
-// ----------------------------------------------------------------------------
-// popup menu stuff
-// ----------------------------------------------------------------------------
-
-wxMenu *
-wxLayoutWindow::MakeFormatMenu()
-{
- wxMenu *m = new wxMenu(_("Layout Menu"));
-
- m->Append(WXLOWIN_MENU_LARGER ,_("&Larger"),_("Switch to larger font."));
- m->Append(WXLOWIN_MENU_SMALLER ,_("&Smaller"),_("Switch to smaller font."));
- m->AppendSeparator();
- m->Append(WXLOWIN_MENU_UNDERLINE, _("&Underline"),_("Underline mode."), wxITEM_CHECK);
- m->Append(WXLOWIN_MENU_BOLD, _("&Bold"),_("Bold mode."), wxITEM_CHECK);
- m->Append(WXLOWIN_MENU_ITALICS, _("&Italics"),_("Italics mode."), wxITEM_CHECK);
- m->AppendSeparator();
- m->Append(WXLOWIN_MENU_ROMAN ,_("&Roman"),_("Switch to roman font."));
- m->Append(WXLOWIN_MENU_TYPEWRITER,_("&Typewriter"),_("Switch to typewriter font."));
- m->Append(WXLOWIN_MENU_SANSSERIF ,_("&Sans Serif"),_("Switch to sans serif font."));
-
- return m;
-}
-
-void wxLayoutWindow::OnUpdateMenuUnderline(wxUpdateUIEvent& event)
-{
- event.Check(m_llist->IsFontUnderlined());
-}
-
-void wxLayoutWindow::OnUpdateMenuBold(wxUpdateUIEvent& event)
-{
- event.Check(m_llist->IsFontBold());
-}
-
-void wxLayoutWindow::OnUpdateMenuItalic(wxUpdateUIEvent& event)
-{
- event.Check(m_llist->IsFontItalic());
-}
-
-void wxLayoutWindow::OnMenu(wxCommandEvent& event)
-{
- switch (event.GetId())
- {
- case WXLOWIN_MENU_LARGER:
- m_llist->SetFontLarger(); RequestUpdate(); break;
-
- case WXLOWIN_MENU_SMALLER:
- m_llist->SetFontSmaller(); RequestUpdate(); break;
-
- case WXLOWIN_MENU_UNDERLINE:
- m_llist->ToggleFontUnderline(); RequestUpdate(); break;
-
- case WXLOWIN_MENU_BOLD:
- m_llist->ToggleFontWeight(); RequestUpdate(); break;
-
- case WXLOWIN_MENU_ITALICS:
- m_llist->ToggleFontItalics(); RequestUpdate(); break;
-
- case WXLOWIN_MENU_ROMAN:
- m_llist->SetFontFamily(wxROMAN); RequestUpdate(); break;
-
- case WXLOWIN_MENU_TYPEWRITER:
- m_llist->SetFontFamily(wxFIXED); RequestUpdate(); break;
-
- case WXLOWIN_MENU_SANSSERIF:
- m_llist->SetFontFamily(wxSWISS); RequestUpdate(); break;
- }
-}
-
-// ----------------------------------------------------------------------------
-// focus
-// ----------------------------------------------------------------------------
-
-void
-wxLayoutWindow::OnSetFocus(wxFocusEvent &ev)
-{
- m_HaveFocus = true;
- ev.Skip();
- RequestUpdate(); // cursor must change
-}
-
-void
-wxLayoutWindow::OnKillFocus(wxFocusEvent &ev)
-{
- m_HaveFocus = false;
- ev.Skip();
- RequestUpdate();// cursor must change
-}
-
-// ----------------------------------------------------------------------------
-// private functions
-// ----------------------------------------------------------------------------
-
-static bool IsDirectionKey(long keyCode)
-{
- switch(keyCode)
- {
- case WXK_UP:
- case WXK_DOWN:
- case WXK_RIGHT:
- case WXK_LEFT:
- case WXK_PRIOR:
- case WXK_NEXT:
- case WXK_HOME:
- case WXK_END:
- return true;
-
- default:
- return false;
- }
-}
-