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minor fix to find contents file alright
[wxWidgets.git] / src / motif / window.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: windows.cpp
3// Purpose: wxWindow
4// Author: Julian Smart
5// Modified by:
6// Created: 17/09/98
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20#ifdef __GNUG__
21 #pragma implementation "window.h"
22#endif
23
24#include "wx/setup.h"
25#include "wx/menu.h"
26#include "wx/dc.h"
27#include "wx/dcclient.h"
28#include "wx/utils.h"
29#include "wx/app.h"
30#include "wx/panel.h"
31#include "wx/layout.h"
32#include "wx/dialog.h"
33#include "wx/listbox.h"
34#include "wx/button.h"
35#include "wx/settings.h"
36#include "wx/msgdlg.h"
37#include "wx/frame.h"
38#include "wx/scrolwin.h"
39#include "wx/module.h"
40#include "wx/menuitem.h"
41#include "wx/log.h"
42
43#include "wx/listimpl.cpp"
44
45#if wxUSE_DRAG_AND_DROP
46 #include "wx/dnd.h"
47#endif
48
49#include <Xm/Xm.h>
50
51#include <Xm/DrawingA.h>
52#include <Xm/ScrolledW.h>
53#include <Xm/ScrollBar.h>
54#include <Xm/Frame.h>
55#include <Xm/Label.h>
56#include <Xm/RowColumn.h> // for XmMenuPosition
57
58#include "wx/motif/private.h"
59
60#include <string.h>
61
62// ----------------------------------------------------------------------------
63// constants
64// ----------------------------------------------------------------------------
65
66static const int SCROLL_MARGIN = 4;
67
68// ----------------------------------------------------------------------------
69// global variables for this module
70// ----------------------------------------------------------------------------
71
72extern wxHashTable *wxWidgetHashTable;
73
74// ----------------------------------------------------------------------------
75// private functions
76// ----------------------------------------------------------------------------
77
78static void wxCanvasRepaintProc(Widget, XtPointer, XmDrawingAreaCallbackStruct * cbs);
79static void wxCanvasInputEvent(Widget drawingArea, XtPointer data, XmDrawingAreaCallbackStruct * cbs);
80static void wxCanvasMotionEvent(Widget, XButtonEvent * event);
81static void wxCanvasEnterLeave(Widget drawingArea, XtPointer clientData, XCrossingEvent * event);
82static void wxScrollBarCallback(Widget widget, XtPointer clientData,
83 XmScaleCallbackStruct *cbs);
84static void wxPanelItemEventHandler(Widget wid,
85 XtPointer client_data,
86 XEvent* event,
87 Boolean *continueToDispatch);
88
89// unused for now
90#if 0
91
92// Helper function for 16-bit fonts
93static int str16len(const char *s)
94{
95 int count = 0;
96
97 while (s[0] && s[1]) {
98 count++;
99 s += 2;
100 }
101
102 return count;
103}
104
105#endif // 0
106
107// ----------------------------------------------------------------------------
108// macros
109// ----------------------------------------------------------------------------
110
111#define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
112#define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
113#define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
114
115// ----------------------------------------------------------------------------
116// event tables
117// ----------------------------------------------------------------------------
118
119#if !USE_SHARED_LIBRARY
120 IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxEvtHandler)
121
122 BEGIN_EVENT_TABLE(wxWindow, wxEvtHandler)
123 EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
124 EVT_IDLE(wxWindow::OnIdle)
125 END_EVENT_TABLE()
126#endif // USE_SHARED_LIBRARY
127
128// ============================================================================
129// implementation
130// ============================================================================
131
132// ----------------------------------------------------------------------------
133// list types
134// ----------------------------------------------------------------------------
135
136WX_DEFINE_LIST(wxRectList);
137
138// ----------------------------------------------------------------------------
139// helper functions
140// ----------------------------------------------------------------------------
141
142void wxWindow::UnmanageAndDestroy(WXWidget widget)
143{
144 Widget w = (Widget)widget;
145 if ( w )
146 {
147 XtUnmanageChild(w);
148 XtDestroyWidget(w);
149 }
150}
151
152bool wxWindow::MapOrUnmap(WXWidget widget, bool map)
153{
154 Widget w = (Widget)widget;
155 if ( !w )
156 return FALSE;
157
158 if ( map )
159 XtMapWidget(w);
160 else
161 XtUnmapWidget(w);
162
163 return TRUE;
164}
165
166// ----------------------------------------------------------------------------
167// constructors
168// ----------------------------------------------------------------------------
169
170void wxWindow::Init()
171{
172 // generic initializations first
173 InitBase();
174
175 // Motif-specific
176 m_needsRefresh = TRUE;
177 m_mainWidget = (WXWidget) 0;
178
179 m_button1Pressed =
180 m_button2Pressed =
181 m_button3Pressed = FALSE;
182
183 m_winCaptured = FALSE;
184
185 m_isShown = TRUE;
186
187 m_hScrollBar =
188 m_vScrollBar =
189 m_borderWidget =
190 m_scrolledWindow =
191 m_drawingArea = (WXWidget) 0;
192
193 m_hScroll =
194 m_vScroll = FALSE;
195
196 m_scrollPosX =
197 m_scrollPosY = 0;
198
199 m_backingPixmap = (WXPixmap) 0;
200 m_pixmapWidth =
201 m_pixmapHeight = 0;
202
203 m_pixmapOffsetX =
204 m_pixmapOffsetY = 0;
205
206 m_lastTS = 0;
207 m_lastButton = 0;
208 m_canAddEventHandler = FALSE;
209}
210
211// real construction (Init() must have been called before!)
212bool wxWindow::Create(wxWindow *parent, wxWindowID id,
213 const wxPoint& pos,
214 const wxSize& size,
215 long style,
216 const wxString& name)
217{
218 wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
219
220 CreateBase(parent, id, pos, size, style, name);
221
222 parent->AddChild(this);
223
224 m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
225 m_foregroundColour = *wxBLACK;
226
227 //// TODO: we should probably optimize by only creating a
228 //// a drawing area if we have one or more scrollbars (wxVSCROLL/wxHSCROLL).
229 //// But for now, let's simplify things by always creating the
230 //// drawing area, since otherwise the translations are different.
231
232 // New translations for getting mouse motion feedback
233 static const String translations =
234"<Btn1Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
235<Btn2Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
236<Btn3Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
237<BtnMotion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
238<Btn1Down>: DrawingAreaInput() ManagerGadgetArm()\n\
239<Btn2Down>: DrawingAreaInput() ManagerGadgetArm()\n\
240<Btn3Down>: DrawingAreaInput() ManagerGadgetArm()\n\
241<Btn1Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
242<Btn2Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
243<Btn3Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
244<Motion>: wxCanvasMotionEvent() DrawingAreaInput()\n\
245<EnterWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
246<LeaveWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
247<Key>: DrawingAreaInput()";
248
249 XtActionsRec actions[1];
250 actions[0].string = "wxCanvasMotionEvent";
251 actions[0].proc = (XtActionProc) wxCanvasMotionEvent;
252 XtAppAddActions ((XtAppContext) wxTheApp->GetAppContext(), actions, 1);
253
254 Widget parentWidget = (Widget) parent->GetClientWidget();
255 if (style & wxBORDER)
256 {
257 m_borderWidget = (WXWidget)XtVaCreateManagedWidget
258 (
259 "canvasBorder",
260 xmFrameWidgetClass, parentWidget,
261 XmNshadowType, XmSHADOW_IN,
262 NULL
263 );
264 }
265
266 m_scrolledWindow = (WXWidget)XtVaCreateManagedWidget
267 (
268 "scrolledWindow",
269 xmScrolledWindowWidgetClass,
270 m_borderWidget ? (Widget) m_borderWidget
271 : parentWidget,
272 XmNresizePolicy, XmRESIZE_NONE,
273 XmNspacing, 0,
274 XmNscrollingPolicy, XmAPPLICATION_DEFINED,
275 //XmNscrollBarDisplayPolicy, XmAS_NEEDED,
276 NULL
277 );
278
279 XtTranslations ptr = XtParseTranslationTable(translations);
280 m_drawingArea = (WXWidget)XtVaCreateWidget
281 (
282 name,
283 xmDrawingAreaWidgetClass, (Widget) m_scrolledWindow,
284 XmNunitType, XmPIXELS,
285 // XmNresizePolicy, XmRESIZE_ANY,
286 XmNresizePolicy, XmRESIZE_NONE,
287 XmNmarginHeight, 0,
288 XmNmarginWidth, 0,
289 XmNtranslations, ptr,
290 NULL
291 );
292 XtFree((char *) ptr);
293
294#if 0
295 if (GetWindowStyleFlag() & wxOVERRIDE_KEY_TRANSLATIONS)
296 {
297 ptr = XtParseTranslationTable ("<Key>: DrawingAreaInput()");
298 XtOverrideTranslations ((Widget) m_drawingArea, ptr);
299 XtFree ((char *) ptr);
300 }
301#endif // 0
302
303 wxAddWindowToTable((Widget) m_drawingArea, this);
304 wxAddWindowToTable((Widget) m_scrolledWindow, this);
305
306 // This order is very important in Motif 1.2.1
307 XtRealizeWidget ((Widget) m_scrolledWindow);
308 XtRealizeWidget ((Widget) m_drawingArea);
309 XtManageChild ((Widget) m_drawingArea);
310
311 ptr = XtParseTranslationTable("<Configure>: resize()");
312 XtOverrideTranslations((Widget) m_drawingArea, ptr);
313 XtFree ((char *) ptr);
314
315 XtAddCallback ((Widget) m_drawingArea, XmNexposeCallback, (XtCallbackProc) wxCanvasRepaintProc, (XtPointer) this);
316 XtAddCallback ((Widget) m_drawingArea, XmNinputCallback, (XtCallbackProc) wxCanvasInputEvent, (XtPointer) this);
317
318 // TODO?
319#if 0
320 display = XtDisplay (scrolledWindow);
321 xwindow = XtWindow (drawingArea);
322#endif // 0
323
324 XtAddEventHandler(
325 (Widget)m_drawingArea,
326 PointerMotionHintMask | EnterWindowMask |
327 LeaveWindowMask | FocusChangeMask,
328 False,
329 (XtEventHandler) wxCanvasEnterLeave,
330 (XtPointer) this
331 );
332
333 // Scrolled widget needs to have its colour changed or we get a little blue
334 // square where the scrollbars abutt
335 wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
336 DoChangeBackgroundColour(m_scrolledWindow, backgroundColour, TRUE);
337 DoChangeBackgroundColour(m_drawingArea, backgroundColour, TRUE);
338
339 XmScrolledWindowSetAreas(
340 (Widget)m_scrolledWindow,
341 (Widget) 0, (Widget) 0,
342 (Widget) m_drawingArea);
343
344#if 0
345 if (m_hScrollBar)
346 XtRealizeWidget ((Widget) m_hScrollBar);
347 if (m_vScrollBar)
348 XtRealizeWidget ((Widget) m_vScrollBar);
349#endif // 0
350
351 // Without this, the cursor may not be restored properly (e.g. in splitter
352 // sample).
353 SetCursor(*wxSTANDARD_CURSOR);
354 SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
355 SetSize(pos.x, pos.y, size.x, size.y);
356
357 return TRUE;
358}
359
360// Destructor
361wxWindow::~wxWindow()
362{
363 // Motif-specific actions first
364 WXWidget wMain = GetMainWidget();
365 if ( wMain )
366 {
367 // Removes event handlers
368 DetachWidget(wMain);
369 }
370
371 ClearUpdateRects();
372
373 if ( m_parent )
374 m_parent->RemoveChild( this );
375
376 // If m_drawingArea, we're a fully-fledged window with drawing area,
377 // scrollbars etc. (what wxCanvas used to be)
378 if ( m_drawingArea )
379 {
380 // Destroy children before destroying self
381 DestroyChildren();
382
383 if (m_backingPixmap)
384 XFreePixmap (XtDisplay ((Widget) GetMainWidget()), (Pixmap) m_backingPixmap);
385
386 Widget w = (Widget) m_drawingArea;
387 wxDeleteWindowFromTable(w);
388
389 if (w)
390 {
391 XtDestroyWidget(w);
392 }
393
394 m_mainWidget = (WXWidget) 0;
395
396 // Only if we're _really_ a canvas (not a dialog box/panel)
397 if (m_scrolledWindow)
398 {
399 wxDeleteWindowFromTable((Widget) m_scrolledWindow);
400 }
401
402 UnmanageAndDestroy(m_hScrollBar);
403 UnmanageAndDestroy(m_vScrollBar);
404 UnmanageAndDestroy(m_scrolledWindow);
405
406 if (m_borderWidget)
407 {
408 XtDestroyWidget ((Widget) m_borderWidget);
409 m_borderWidget = (WXWidget) 0;
410 }
411 }
412
413 // Destroy the window
414 if (GetMainWidget())
415 {
416 // If this line (XtDestroyWidget) causes a crash, you may comment it out.
417 // Child widgets will get destroyed automatically when a frame
418 // or dialog is destroyed, but before that you may get some memory
419 // leaks and potential layout problems if you delete and then add
420 // child windows.
421 XtDestroyWidget((Widget) GetMainWidget());
422 SetMainWidget((WXWidget) NULL);
423 }
424}
425
426// ----------------------------------------------------------------------------
427// scrollbar management
428// ----------------------------------------------------------------------------
429
430// Helper function
431void wxWindow::CreateScrollbar(wxOrientation orientation)
432{
433 wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
434
435 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
436
437 // Add scrollbars if required
438 if (orientation == wxHORIZONTAL)
439 {
440 Widget hScrollBar = XtVaCreateManagedWidget ("hsb",
441 xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
442 XmNorientation, XmHORIZONTAL,
443 NULL);
444 // XtAddCallback (hScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
445 XtAddCallback (hScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
446 XtAddCallback (hScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
447 XtAddCallback (hScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
448 XtAddCallback (hScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
449 XtAddCallback (hScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
450 XtAddCallback (hScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
451 XtAddCallback (hScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
452
453 XtVaSetValues (hScrollBar,
454 XmNincrement, 1,
455 XmNvalue, 0,
456 NULL);
457
458 m_hScrollBar = (WXWidget) hScrollBar;
459
460 wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
461 DoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
462
463 XtRealizeWidget(hScrollBar);
464
465 XtVaSetValues((Widget) m_scrolledWindow,
466 XmNhorizontalScrollBar, (Widget) m_hScrollBar,
467 NULL);
468
469 m_hScroll = TRUE;
470 }
471
472 if (orientation == wxVERTICAL)
473 {
474 Widget vScrollBar = XtVaCreateManagedWidget ("vsb",
475 xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
476 XmNorientation, XmVERTICAL,
477 NULL);
478 // XtAddCallback (vScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
479 XtAddCallback (vScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
480 XtAddCallback (vScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
481 XtAddCallback (vScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
482 XtAddCallback (vScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
483 XtAddCallback (vScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
484 XtAddCallback (vScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
485 XtAddCallback (vScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
486
487 XtVaSetValues (vScrollBar,
488 XmNincrement, 1,
489 XmNvalue, 0,
490 NULL);
491
492 m_vScrollBar = (WXWidget) vScrollBar;
493 wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
494 DoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
495
496 XtRealizeWidget(vScrollBar);
497
498 XtVaSetValues((Widget) m_scrolledWindow,
499 XmNverticalScrollBar, (Widget) m_vScrollBar,
500 NULL);
501
502 m_vScroll = TRUE;
503 }
504
505 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
506}
507
508void wxWindow::DestroyScrollbar(wxOrientation orientation)
509{
510 wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
511
512 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
513 // Add scrollbars if required
514 if (orientation == wxHORIZONTAL)
515 {
516 if (m_hScrollBar)
517 {
518 XtDestroyWidget((Widget) m_hScrollBar);
519 }
520 m_hScrollBar = (WXWidget) 0;
521 m_hScroll = FALSE;
522
523 XtVaSetValues((Widget) m_scrolledWindow,
524 XmNhorizontalScrollBar, (Widget) 0,
525 NULL);
526
527 }
528
529 if (orientation == wxVERTICAL)
530 {
531 if (m_vScrollBar)
532 {
533 XtDestroyWidget((Widget) m_vScrollBar);
534 }
535 m_vScrollBar = (WXWidget) 0;
536 m_vScroll = TRUE;
537
538 XtVaSetValues((Widget) m_scrolledWindow,
539 XmNverticalScrollBar, (Widget) 0,
540 NULL);
541
542 }
543 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
544}
545
546// ---------------------------------------------------------------------------
547// basic operations
548// ---------------------------------------------------------------------------
549
550void wxWindow::SetFocus()
551{
552 Widget wMain = (Widget) GetMainWidget();
553 XmProcessTraversal(wMain, XmTRAVERSE_CURRENT);
554 XmProcessTraversal((Widget) GetMainWidget(), XmTRAVERSE_CURRENT);
555}
556
557// Get the window with the focus
558wxWindow *wxWindowBase::FindFocus()
559{
560 // TODO Problems:
561 // (1) Can there be multiple focussed widgets in an application?
562 // In which case we need to find the top-level window that's
563 // currently active.
564 // (2) The widget with the focus may not be in the widget table
565 // depending on which widgets I put in the table
566 wxWindow *winFocus = (wxWindow *)NULL;
567 for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
568 node;
569 node = node->GetNext() )
570 {
571 wxWindow *win = node->GetData();
572
573 Widget w = XmGetFocusWidget ((Widget) win->GetTopWidget());
574
575 if (w != (Widget) NULL)
576 {
577 winFocus = wxGetWindowFromTable(w);
578 if ( winFocus )
579 break;
580 }
581 }
582
583 return winFocus;
584}
585
586bool wxWindow::Enable(bool enable)
587{
588 if ( !wxWindowBase::Enable(enable) )
589 return FALSE;
590
591 Widget wMain = (Widget)GetMainWidget();
592 if ( wMain )
593 {
594 XtSetSensitive(wMain, enable);
595 XmUpdateDisplay(wMain);
596 }
597
598 return TRUE;
599}
600
601bool wxWindow::Show(bool show)
602{
603 if ( !wxWindowBase::Show(show) )
604 return FALSE;
605
606 if (m_borderWidget || m_scrolledWindow)
607 {
608 MapOrUnmap(m_drawingArea, show);
609 MapOrUnmap(m_borderWidget ? m_borderWidget : m_scrolledWindow, show);
610 }
611 else
612 {
613 if ( !MapOrUnmap(GetTopWidget(), show) )
614 MapOrUnmap(GetMainWidget(), show);
615 }
616
617#if 0
618 Window xwin = (Window) GetXWindow();
619 Display *xdisp = (Display*) GetXDisplay();
620 if (show)
621 XMapWindow(xdisp, xwin);
622 else
623 XUnmapWindow(xdisp, xwin);
624#endif
625
626 return TRUE;
627}
628
629// Raise the window to the top of the Z order
630void wxWindow::Raise()
631{
632 Widget wTop = (Widget) GetTopWidget();
633 Window window = XtWindow(wTop);
634 XRaiseWindow(XtDisplay(wTop), window);
635}
636
637// Lower the window to the bottom of the Z order
638void wxWindow::Lower()
639{
640 Widget wTop = (Widget) GetTopWidget();
641 Window window = XtWindow(wTop);
642 XLowerWindow(XtDisplay(wTop), window);
643}
644
645void wxWindow::SetTitle(const wxString& title)
646{
647 XtVaSetValues((Widget)GetMainWidget(), XmNtitle, title.c_str(), NULL);
648}
649
650wxString wxWindow::GetTitle() const
651{
652 char *title;
653 XtVaGetValues((Widget)GetMainWidget(), XmNtitle, &title, NULL);
654
655 return wxString(title);
656}
657
658void wxWindow::CaptureMouse()
659{
660 if ( m_winCaptured )
661 return;
662
663 Widget wMain = (Widget)GetMainWidget();
664 if ( wMain )
665 XtAddGrab(wMain, TRUE, FALSE);
666
667 m_winCaptured = TRUE;
668}
669
670void wxWindow::ReleaseMouse()
671{
672 if ( !m_winCaptured )
673 return;
674
675 Widget wMain = (Widget)GetMainWidget();
676 if ( wMain )
677 XtRemoveGrab(wMain);
678
679 m_winCaptured = FALSE;
680}
681
682bool wxWindow::SetFont(const wxFont& font)
683{
684 if ( !wxWindowBase::SetFont(font) )
685 {
686 // nothing to do
687 return FALSE;
688 }
689
690 ChangeFont();
691
692 return TRUE;
693}
694
695bool wxWindow::SetCursor(const wxCursor& cursor)
696{
697 if ( !wxWindowBase::SetCursor(cursor) )
698 {
699 // no change
700 return FALSE;
701 }
702
703 wxASSERT_MSG( m_cursor.Ok(),
704 _T("cursor must be valid after call to the base version"));
705
706 WXDisplay *dpy = GetXDisplay();
707 WXCursor x_cursor = m_cursor.GetXCursor(dpy);
708
709 Widget w = (Widget) GetMainWidget();
710 Window win = XtWindow(w);
711 XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
712
713 return TRUE;
714}
715
716// Coordinates relative to the window
717void wxWindow::WarpPointer (int x, int y)
718{
719 Widget wClient = (Widget)GetClientWidget();
720
721 XWarpPointer(XtDisplay(wClient), None, XtWindow(wClient), 0, 0, 0, 0, x, y);
722}
723
724// ---------------------------------------------------------------------------
725// scrolling stuff
726// ---------------------------------------------------------------------------
727
728int wxWindow::GetScrollPos(int orient) const
729{
730 if (orient == wxHORIZONTAL)
731 return m_scrollPosX;
732 else
733 return m_scrollPosY;
734
735#if 0
736 Widget scrollBar = (Widget) ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar);
737 if (scrollBar)
738 {
739 int pos;
740 XtVaGetValues(scrollBar, XmNvalue, &pos, NULL);
741 return pos;
742 }
743 else
744 return 0;
745#endif // 0
746}
747
748// This now returns the whole range, not just the number of positions that we
749// can scroll.
750int wxWindow::GetScrollRange(int orient) const
751{
752 Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
753 wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
754
755 int range;
756 XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
757 return range;
758}
759
760int wxWindow::GetScrollThumb(int orient) const
761{
762 Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
763 wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
764
765 int thumb;
766 XtVaGetValues(scrollBar, XmNsliderSize, &thumb, NULL);
767 return thumb;
768}
769
770void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
771{
772 Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
773
774 if ( scrollBar )
775 {
776 XtVaSetValues (scrollBar, XmNvalue, pos, NULL);
777 }
778
779 SetInternalScrollPos((wxOrientation)orient, pos);
780}
781
782// New function that will replace some of the above.
783void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
784 int range, bool WXUNUSED(refresh))
785{
786 int oldW, oldH;
787 GetSize(& oldW, & oldH);
788
789 if (range == 0)
790 range = 1;
791 if (thumbVisible == 0)
792 thumbVisible = 1;
793
794 if (thumbVisible > range)
795 thumbVisible = range;
796
797 // Save the old state to see if it changed
798 WXWidget oldScrollBar = GetScrollbar((wxOrientation)orient);
799
800 if (orient == wxHORIZONTAL)
801 {
802 if (thumbVisible == range)
803 {
804 if (m_hScrollBar)
805 DestroyScrollbar(wxHORIZONTAL);
806 }
807 else
808 {
809 if (!m_hScrollBar)
810 CreateScrollbar(wxHORIZONTAL);
811 }
812 }
813 if (orient == wxVERTICAL)
814 {
815 if (thumbVisible == range)
816 {
817 if (m_vScrollBar)
818 DestroyScrollbar(wxVERTICAL);
819 }
820 else
821 {
822 if (!m_vScrollBar)
823 CreateScrollbar(wxVERTICAL);
824 }
825 }
826 WXWidget newScrollBar = GetScrollbar((wxOrientation)orient);
827
828 if (oldScrollBar != newScrollBar)
829 {
830 // This is important! Without it, scrollbars misbehave badly.
831 XtUnrealizeWidget((Widget) m_scrolledWindow);
832 XmScrolledWindowSetAreas ((Widget) m_scrolledWindow, (Widget) m_hScrollBar, (Widget) m_vScrollBar, (Widget) m_drawingArea);
833 XtRealizeWidget((Widget) m_scrolledWindow);
834 XtManageChild((Widget) m_scrolledWindow);
835 }
836
837 if (newScrollBar)
838 {
839 XtVaSetValues((Widget) newScrollBar,
840 XmNvalue, pos,
841 XmNminimum, 0,
842 XmNmaximum, range,
843 XmNsliderSize, thumbVisible,
844 NULL);
845 }
846
847 SetInternalScrollPos((wxOrientation)orient, pos);
848
849 int newW, newH;
850 GetSize(& newW, & newH);
851
852 // Adjusting scrollbars can resize the canvas accidentally
853 if (newW != oldW || newH != oldH)
854 SetSize(-1, -1, oldW, oldH);
855}
856
857// Does a physical scroll
858void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
859{
860 int x, y, w, h;
861 if (rect)
862 {
863 // Use specified rectangle
864 x = rect->x; y = rect->y; w = rect->width; h = rect->height;
865 }
866 else
867 {
868 // Use whole client area
869 x = 0; y = 0;
870 GetClientSize(& w, & h);
871 }
872
873 int x1 = (dx >= 0) ? x : x - dx;
874 int y1 = (dy >= 0) ? y : y - dy;
875 int w1 = w - abs(dx);
876 int h1 = h - abs(dy);
877 int x2 = (dx >= 0) ? x + dx : x;
878 int y2 = (dy >= 0) ? y + dy : y;
879
880 wxClientDC dc(this);
881
882 dc.SetLogicalFunction (wxCOPY);
883
884 Widget widget = (Widget) GetMainWidget();
885 Window window = XtWindow(widget);
886 Display* display = XtDisplay(widget);
887
888 XCopyArea(display, window, window, (GC) dc.GetGC(),
889 x1, y1, w1, h1, x2, y2);
890
891 dc.SetAutoSetting(TRUE);
892 wxBrush brush(GetBackgroundColour(), wxSOLID);
893 dc.SetBrush(brush); // FIXME: needed?
894
895 // We'll add rectangles to the list of update rectangles according to which
896 // bits we've exposed.
897 wxList updateRects;
898
899 if (dx > 0)
900 {
901 wxRect *rect = new wxRect;
902 rect->x = x;
903 rect->y = y;
904 rect->width = dx;
905 rect->height = h;
906
907 XFillRectangle(display, window,
908 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
909
910 rect->x = rect->x;
911 rect->y = rect->y;
912 rect->width = rect->width;
913 rect->height = rect->height;
914
915 updateRects.Append((wxObject*) rect);
916 }
917 else if (dx < 0)
918 {
919 wxRect *rect = new wxRect;
920
921 rect->x = x + w + dx;
922 rect->y = y;
923 rect->width = -dx;
924 rect->height = h;
925
926 XFillRectangle(display, window,
927 (GC) dc.GetGC(), rect->x, rect->y, rect->width,
928 rect->height);
929
930 rect->x = rect->x;
931 rect->y = rect->y;
932 rect->width = rect->width;
933 rect->height = rect->height;
934
935 updateRects.Append((wxObject*) rect);
936 }
937 if (dy > 0)
938 {
939 wxRect *rect = new wxRect;
940
941 rect->x = x;
942 rect->y = y;
943 rect->width = w;
944 rect->height = dy;
945
946 XFillRectangle(display, window,
947 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
948
949 rect->x = rect->x;
950 rect->y = rect->y;
951 rect->width = rect->width;
952 rect->height = rect->height;
953
954 updateRects.Append((wxObject*) rect);
955 }
956 else if (dy < 0)
957 {
958 wxRect *rect = new wxRect;
959
960 rect->x = x;
961 rect->y = y + h + dy;
962 rect->width = w;
963 rect->height = -dy;
964
965 XFillRectangle(display, window,
966 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
967
968 rect->x = rect->x;
969 rect->y = rect->y;
970 rect->width = rect->width;
971 rect->height = rect->height;
972
973 updateRects.Append((wxObject*) rect);
974 }
975 dc.SetBrush(wxNullBrush);
976
977 // Now send expose events
978
979 wxNode* node = updateRects.First();
980 while (node)
981 {
982 wxRect* rect = (wxRect*) node->Data();
983 XExposeEvent event;
984
985 event.type = Expose;
986 event.display = display;
987 event.send_event = True;
988 event.window = window;
989
990 event.x = rect->x;
991 event.y = rect->y;
992 event.width = rect->width;
993 event.height = rect->height;
994
995 event.count = 0;
996
997 XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
998
999 node = node->Next();
1000
1001 }
1002
1003 // Delete the update rects
1004 node = updateRects.First();
1005 while (node)
1006 {
1007 wxRect* rect = (wxRect*) node->Data();
1008 delete rect;
1009 node = node->Next();
1010 }
1011
1012 XmUpdateDisplay((Widget) GetMainWidget());
1013}
1014
1015// ---------------------------------------------------------------------------
1016// drag and drop
1017// ---------------------------------------------------------------------------
1018
1019#if wxUSE_DRAG_AND_DROP
1020
1021void wxWindow::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
1022{
1023 // TODO
1024}
1025
1026#endif
1027
1028// Old style file-manager drag&drop
1029void wxWindow::DragAcceptFiles(bool WXUNUSED(accept))
1030{
1031 // TODO
1032}
1033
1034// ----------------------------------------------------------------------------
1035// tooltips
1036// ----------------------------------------------------------------------------
1037
1038#if wxUSE_TOOLTIPS
1039
1040void wxWindow::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
1041{
1042 // TODO
1043}
1044
1045#endif // wxUSE_TOOLTIPS
1046
1047// ----------------------------------------------------------------------------
1048// popup menus
1049// ----------------------------------------------------------------------------
1050
1051bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
1052{
1053 Widget widget = (Widget) GetMainWidget();
1054
1055 /* The menuId field seems to be usused, so we'll use it to
1056 indicate whether a menu is popped up or not:
1057 0: Not currently created as a popup
1058 -1: Created as a popup, but not active
1059 1: Active popup.
1060 */
1061
1062 if (menu->GetParent() && (menu->GetId() != -1))
1063 return FALSE;
1064
1065 if (menu->GetMainWidget()) {
1066 menu->DestroyMenu(TRUE);
1067 }
1068
1069 menu->SetId(1); /* Mark as popped-up */
1070 menu->CreateMenu(NULL, widget, menu);
1071 menu->SetInvokingWindow(this);
1072
1073 menu->UpdateUI();
1074
1075 // menu->SetParent(parent);
1076 // parent->children->Append(menu); // Store menu for later deletion
1077
1078 Widget menuWidget = (Widget) menu->GetMainWidget();
1079
1080 int rootX = 0;
1081 int rootY = 0;
1082
1083 int deviceX = x;
1084 int deviceY = y;
1085 /*
1086 if (this->IsKindOf(CLASSINFO(wxCanvas)))
1087 {
1088 wxCanvas *canvas = (wxCanvas *) this;
1089 deviceX = canvas->GetDC ()->LogicalToDeviceX (x);
1090 deviceY = canvas->GetDC ()->LogicalToDeviceY (y);
1091 }
1092 */
1093
1094 Display *display = XtDisplay (widget);
1095 Window rootWindow = RootWindowOfScreen (XtScreen((Widget)widget));
1096 Window thisWindow = XtWindow (widget);
1097 Window childWindow;
1098 XTranslateCoordinates (display, thisWindow, rootWindow, (int) deviceX, (int) deviceY,
1099 &rootX, &rootY, &childWindow);
1100
1101 XButtonPressedEvent event;
1102 event.type = ButtonPress;
1103 event.button = 1;
1104
1105 event.x = deviceX;
1106 event.y = deviceY;
1107
1108 event.x_root = rootX;
1109 event.y_root = rootY;
1110
1111 XmMenuPosition (menuWidget, &event);
1112 XtManageChild (menuWidget);
1113
1114 return TRUE;
1115}
1116
1117// ---------------------------------------------------------------------------
1118// moving and resizing
1119// ---------------------------------------------------------------------------
1120
1121bool wxWindow::PreResize()
1122{
1123 return TRUE;
1124}
1125
1126// Get total size
1127void wxWindow::DoGetSize(int *x, int *y) const
1128{
1129 if (m_drawingArea)
1130 {
1131 CanvasGetSize(x, y);
1132 return;
1133 }
1134
1135 Widget widget = (Widget) GetTopWidget();
1136 Dimension xx, yy;
1137 XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1138 *x = xx; *y = yy;
1139}
1140
1141void wxWindow::DoGetPosition(int *x, int *y) const
1142{
1143 if (m_drawingArea)
1144 {
1145 CanvasGetPosition(x, y);
1146 return;
1147 }
1148 Widget widget = (Widget) GetTopWidget();
1149 Position xx, yy;
1150 XtVaGetValues(widget, XmNx, &xx, XmNy, &yy, NULL);
1151
1152 // We may be faking the client origin. So a window that's really at (0, 30)
1153 // may appear (to wxWin apps) to be at (0, 0).
1154 if (GetParent())
1155 {
1156 wxPoint pt(GetParent()->GetClientAreaOrigin());
1157 xx -= pt.x;
1158 yy -= pt.y;
1159 }
1160
1161 *x = xx; *y = yy;
1162}
1163
1164void wxWindow::DoScreenToClient(int *x, int *y) const
1165{
1166 Widget widget = (Widget) GetClientWidget();
1167 Display *display = XtDisplay((Widget) GetMainWidget());
1168 Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1169 Window thisWindow = XtWindow(widget);
1170
1171 Window childWindow;
1172 int xx = *x;
1173 int yy = *y;
1174 XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
1175}
1176
1177void wxWindow::DoClientToScreen(int *x, int *y) const
1178{
1179 Widget widget = (Widget) GetClientWidget();
1180 Display *display = XtDisplay(widget);
1181 Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1182 Window thisWindow = XtWindow(widget);
1183
1184 Window childWindow;
1185 int xx = *x;
1186 int yy = *y;
1187 XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
1188}
1189
1190
1191// Get size *available for subwindows* i.e. excluding menu bar etc.
1192void wxWindow::DoGetClientSize(int *x, int *y) const
1193{
1194 Widget widget = (Widget) GetClientWidget();
1195 Dimension xx, yy;
1196 XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1197 *x = xx; *y = yy;
1198}
1199
1200void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1201{
1202 // A bit of optimization to help sort out the flickers.
1203 int oldX, oldY, oldW, oldH;
1204 GetSize(& oldW, & oldH);
1205 GetPosition(& oldX, & oldY);
1206
1207 bool useOldPos = FALSE;
1208 bool useOldSize = FALSE;
1209
1210 if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
1211 useOldPos = TRUE;
1212 else if (x == oldX && y == oldY)
1213 useOldPos = TRUE;
1214
1215 if ((width == -1) && (height == -1))
1216 useOldSize = TRUE;
1217 else if (width == oldW && height == oldH)
1218 useOldSize = TRUE;
1219
1220 if (!wxNoOptimize::CanOptimize())
1221 {
1222 useOldSize = FALSE; useOldPos = FALSE;
1223 }
1224
1225 if (useOldPos && useOldSize)
1226 return;
1227
1228 if (m_drawingArea)
1229 {
1230 CanvasSetSize(x, y, width, height, sizeFlags);
1231 return;
1232 }
1233 Widget widget = (Widget) GetTopWidget();
1234 if (!widget)
1235 return;
1236
1237 bool managed = XtIsManaged( widget );
1238 if (managed)
1239 XtUnmanageChild(widget);
1240
1241 int xx = x; int yy = y;
1242 AdjustForParentClientOrigin(xx, yy, sizeFlags);
1243
1244 if (!useOldPos)
1245 {
1246 if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
1247 XtVaSetValues(widget, XmNx, xx, NULL);
1248 if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
1249 XtVaSetValues(widget, XmNy, yy, NULL);
1250 }
1251 if (!useOldSize)
1252 {
1253 if (width > -1)
1254 XtVaSetValues(widget, XmNwidth, width, NULL);
1255 if (height > -1)
1256 XtVaSetValues(widget, XmNheight, height, NULL);
1257 }
1258
1259 if (managed)
1260 XtManageChild(widget);
1261
1262 // How about this bit. Maybe we don't need to generate size events
1263 // all the time -- they'll be generated when the window is sized anyway.
1264#if 0
1265 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1266 sizeEvent.SetEventObject(this);
1267
1268 GetEventHandler()->ProcessEvent(sizeEvent);
1269#endif // 0
1270}
1271
1272void wxWindow::DoSetClientSize(int width, int height)
1273{
1274 if (m_drawingArea)
1275 {
1276 CanvasSetClientSize(width, height);
1277 return;
1278 }
1279
1280 Widget widget = (Widget) GetTopWidget();
1281
1282 if (width > -1)
1283 XtVaSetValues(widget, XmNwidth, width, NULL);
1284 if (height > -1)
1285 XtVaSetValues(widget, XmNheight, height, NULL);
1286
1287 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1288 sizeEvent.SetEventObject(this);
1289
1290 GetEventHandler()->ProcessEvent(sizeEvent);
1291}
1292
1293// For implementation purposes - sometimes decorations make the client area
1294// smaller
1295wxPoint wxWindow::GetClientAreaOrigin() const
1296{
1297 return wxPoint(0, 0);
1298}
1299
1300// Makes an adjustment to the window position (for example, a frame that has
1301// a toolbar that it manages itself).
1302void wxWindow::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
1303{
1304 if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
1305 {
1306 wxPoint pt(GetParent()->GetClientAreaOrigin());
1307 x += pt.x; y += pt.y;
1308 }
1309}
1310
1311void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
1312{
1313 m_minWidth = minW;
1314 m_minHeight = minH;
1315 m_maxWidth = maxW;
1316 m_maxHeight = maxH;
1317
1318 wxFrame *frame = wxDynamicCast(this, wxFrame);
1319 if ( !frame )
1320 {
1321 // TODO what about dialogs?
1322 return;
1323 }
1324
1325 Widget widget = (Widget) frame->GetShellWidget();
1326
1327 if (minW > -1)
1328 XtVaSetValues(widget, XmNminWidth, minW, NULL);
1329 if (minH > -1)
1330 XtVaSetValues(widget, XmNminHeight, minH, NULL);
1331 if (maxW > -1)
1332 XtVaSetValues(widget, XmNmaxWidth, maxW, NULL);
1333 if (maxH > -1)
1334 XtVaSetValues(widget, XmNmaxHeight, maxH, NULL);
1335 if (incW > -1)
1336 XtVaSetValues(widget, XmNwidthInc, incW, NULL);
1337 if (incH > -1)
1338 XtVaSetValues(widget, XmNheightInc, incH, NULL);
1339}
1340
1341// ---------------------------------------------------------------------------
1342// text metrics
1343// ---------------------------------------------------------------------------
1344
1345int wxWindow::GetCharHeight() const
1346{
1347 wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1348
1349 WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1350
1351 int direction, ascent, descent;
1352 XCharStruct overall;
1353 XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1354 &descent, &overall);
1355
1356 // return (overall.ascent + overall.descent);
1357 return (ascent + descent);
1358}
1359
1360int wxWindow::GetCharWidth() const
1361{
1362 wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1363
1364 WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1365
1366 int direction, ascent, descent;
1367 XCharStruct overall;
1368 XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1369 &descent, &overall);
1370
1371 return overall.width;
1372}
1373
1374void wxWindow::GetTextExtent(const wxString& string,
1375 int *x, int *y,
1376 int *descent, int *externalLeading,
1377 const wxFont *theFont) const
1378{
1379 wxFont *fontToUse = (wxFont *)theFont;
1380 if (!fontToUse)
1381 fontToUse = (wxFont *) & m_font;
1382
1383 wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
1384
1385 WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
1386
1387 int direction, ascent, descent2;
1388 XCharStruct overall;
1389 int slen;
1390
1391#if 0
1392 if (use16)
1393 XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
1394 &ascent, &descent2, &overall);
1395#endif
1396
1397 XTextExtents((XFontStruct*) pFontStruct, string, slen,
1398 &direction, &ascent, &descent2, &overall);
1399
1400 if ( x )
1401 *x = (overall.width);
1402 if ( y )
1403 *y = (ascent + descent2);
1404 if (descent)
1405 *descent = descent2;
1406 if (externalLeading)
1407 *externalLeading = 0;
1408}
1409
1410// ----------------------------------------------------------------------------
1411// painting
1412// ----------------------------------------------------------------------------
1413
1414void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
1415{
1416 m_needsRefresh = TRUE;
1417 Display *display = XtDisplay((Widget) GetMainWidget());
1418 Window thisWindow = XtWindow((Widget) GetMainWidget());
1419
1420 XExposeEvent dummyEvent;
1421 int width, height;
1422 GetSize(&width, &height);
1423
1424 dummyEvent.type = Expose;
1425 dummyEvent.display = display;
1426 dummyEvent.send_event = True;
1427 dummyEvent.window = thisWindow;
1428 if (rect)
1429 {
1430 dummyEvent.x = rect->x;
1431 dummyEvent.y = rect->y;
1432 dummyEvent.width = rect->width;
1433 dummyEvent.height = rect->height;
1434 }
1435 else
1436 {
1437 dummyEvent.x = 0;
1438 dummyEvent.y = 0;
1439 dummyEvent.width = width;
1440 dummyEvent.height = height;
1441 }
1442 dummyEvent.count = 0;
1443
1444 if (eraseBack)
1445 {
1446 wxClientDC dc(this);
1447 wxBrush backgroundBrush(GetBackgroundColour(), wxSOLID);
1448 dc.SetBackground(backgroundBrush);
1449 if (rect)
1450 dc.Clear(*rect);
1451 else
1452 dc.Clear();
1453 }
1454
1455 XSendEvent(display, thisWindow, False, ExposureMask, (XEvent *)&dummyEvent);
1456}
1457
1458void wxWindow::Clear()
1459{
1460 wxClientDC dc(this);
1461 wxBrush brush(GetBackgroundColour(), wxSOLID);
1462 dc.SetBackground(brush);
1463 dc.Clear();
1464}
1465
1466void wxWindow::ClearUpdateRects()
1467{
1468 wxRectList::Node* node = m_updateRects.GetFirst();
1469 while (node)
1470 {
1471 wxRect* rect = node->GetData();
1472 delete rect;
1473 node = node->GetNext();
1474 }
1475
1476 m_updateRects.Clear();
1477}
1478
1479void wxWindow::DoPaint()
1480{
1481 //TODO : make a temporary gc so we can do the XCopyArea below
1482 if (m_backingPixmap && !m_needsRefresh)
1483 {
1484 wxPaintDC dc(this);
1485
1486 GC tempGC = (GC) dc.GetBackingGC();
1487
1488 Widget widget = (Widget) GetMainWidget();
1489
1490 int scrollPosX = 0;
1491 int scrollPosY = 0;
1492
1493 // We have to test whether it's a wxScrolledWindow (hack!) because
1494 // otherwise we don't know how many pixels have been scrolled. We might
1495 // solve this in the future by defining virtual wxWindow functions to get
1496 // the scroll position in pixels. Or, each kind of scrolled window has to
1497 // implement backing stores itself, using generic wxWindows code.
1498 wxScrolledWindow* scrolledWindow = wxDynamicCast(this, wxScrolledWindow);
1499 if ( scrolledWindow )
1500 {
1501 int x, y;
1502 scrolledWindow->CalcScrolledPosition(0, 0, &x, &y);
1503
1504 scrollPosX = - x;
1505 scrollPosY = - y;
1506 }
1507
1508 // TODO: This could be optimized further by only copying the areas in the
1509 // current update region.
1510
1511 // Only blit the part visible in the client area. The backing pixmap
1512 // always starts at 0, 0 but we may be looking at only a portion of it.
1513 wxSize clientArea = GetClientSize();
1514 int toBlitX = m_pixmapWidth - scrollPosX;
1515 int toBlitY = m_pixmapHeight - scrollPosY;
1516
1517 // Copy whichever is samller, the amount of pixmap we have to copy,
1518 // or the size of the client area.
1519 toBlitX = wxMin(toBlitX, clientArea.x);
1520 toBlitY = wxMin(toBlitY, clientArea.y);
1521
1522 // Make sure we're not negative
1523 toBlitX = wxMax(0, toBlitX);
1524 toBlitY = wxMax(0, toBlitY);
1525
1526 XCopyArea
1527 (
1528 XtDisplay(widget),
1529 (Pixmap) m_backingPixmap,
1530 XtWindow (widget),
1531 tempGC,
1532 scrollPosX, scrollPosY, // Start at the scroll position
1533 toBlitX, toBlitY, // How much of the pixmap to copy
1534 0, 0 // Destination
1535 );
1536 }
1537 else
1538 {
1539 // Set an erase event first
1540 wxEraseEvent eraseEvent(GetId());
1541 eraseEvent.SetEventObject(this);
1542 GetEventHandler()->ProcessEvent(eraseEvent);
1543
1544 wxPaintEvent event(GetId());
1545 event.SetEventObject(this);
1546 GetEventHandler()->ProcessEvent(event);
1547
1548 m_needsRefresh = FALSE;
1549 }
1550}
1551
1552// ----------------------------------------------------------------------------
1553// event handlers
1554// ----------------------------------------------------------------------------
1555
1556// Responds to colour changes: passes event on to children.
1557void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
1558{
1559 wxWindowList::Node *node = GetChildren().GetFirst();
1560 while ( node )
1561 {
1562 // Only propagate to non-top-level windows
1563 wxWindow *win = node->GetData();
1564 if ( win->GetParent() )
1565 {
1566 wxSysColourChangedEvent event2;
1567 event.m_eventObject = win;
1568 win->GetEventHandler()->ProcessEvent(event2);
1569 }
1570
1571 node = node->GetNext();
1572 }
1573}
1574
1575void wxWindow::OnIdle(wxIdleEvent& event)
1576{
1577 // This calls the UI-update mechanism (querying windows for
1578 // menu/toolbar/control state information)
1579 UpdateWindowUI();
1580}
1581
1582// ----------------------------------------------------------------------------
1583// accelerators
1584// ----------------------------------------------------------------------------
1585
1586bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
1587{
1588 if (!m_acceleratorTable.Ok())
1589 return FALSE;
1590
1591 int count = m_acceleratorTable.GetCount();
1592 wxAcceleratorEntry* entries = m_acceleratorTable.GetEntries();
1593 int i;
1594 for (i = 0; i < count; i++)
1595 {
1596 wxAcceleratorEntry* entry = & (entries[i]);
1597 if (entry->MatchesEvent(event))
1598 {
1599 // Bingo, we have a match. Now find a control that matches the entry
1600 // command id.
1601
1602 // Need to go up to the top of the window hierarchy, since it might
1603 // be e.g. a menu item
1604 wxWindow* parent = this;
1605 while ( parent && !parent->IsTopLevel() )
1606 parent = parent->GetParent();
1607
1608 if (!parent)
1609 return FALSE;
1610
1611 wxFrame* frame = wxDynamicCast(parent, wxFrame);
1612 if ( frame )
1613 {
1614 // Try for a menu command
1615 if (frame->GetMenuBar())
1616 {
1617 wxMenuItem* item = frame->GetMenuBar()->FindItemForId(entry->GetCommand());
1618 if (item)
1619 {
1620 wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, entry->GetCommand());
1621 commandEvent.SetEventObject(frame);
1622
1623 // If ProcessEvent returns TRUE (it was handled), then
1624 // the calling code will skip the event handling.
1625 return frame->GetEventHandler()->ProcessEvent(commandEvent);
1626 }
1627 }
1628 }
1629
1630 // Find a child matching the command id
1631 wxWindow* child = parent->FindWindow(entry->GetCommand());
1632
1633 // No such child
1634 if (!child)
1635 return FALSE;
1636
1637 // Now we process those kinds of windows that we can.
1638 // For now, only buttons.
1639 if ( wxDynamicCast(child, wxButton) )
1640 {
1641 wxCommandEvent commandEvent (wxEVT_COMMAND_BUTTON_CLICKED, child->GetId());
1642 commandEvent.SetEventObject(child);
1643 return child->GetEventHandler()->ProcessEvent(commandEvent);
1644 }
1645
1646 return FALSE;
1647 } // matches event
1648 }// for
1649
1650 // We didn't match the key event against an accelerator.
1651 return FALSE;
1652}
1653
1654// ============================================================================
1655// Motif-specific stuff from here on
1656// ============================================================================
1657
1658// ----------------------------------------------------------------------------
1659// function which maintain the global hash table mapping Widgets to wxWindows
1660// ----------------------------------------------------------------------------
1661
1662bool wxAddWindowToTable(Widget w, wxWindow *win)
1663{
1664 wxWindow *oldItem = NULL;
1665 if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1666 {
1667 wxLogDebug("Widget table clash: new widget is %ld, %s",
1668 (long)w, win->GetClassInfo()->GetClassName());
1669 return FALSE;
1670 }
1671
1672 wxWidgetHashTable->Put((long) w, win);
1673
1674 wxLogDebug("Widget 0x%08x <-> window %p (%s)",
1675 w, win, win->GetClassInfo()->GetClassName());
1676
1677 return TRUE;
1678}
1679
1680wxWindow *wxGetWindowFromTable(Widget w)
1681{
1682 return (wxWindow *)wxWidgetHashTable->Get((long) w);
1683}
1684
1685void wxDeleteWindowFromTable(Widget w)
1686{
1687 wxWidgetHashTable->Delete((long)w);
1688}
1689
1690// ----------------------------------------------------------------------------
1691// add/remove window from the table
1692// ----------------------------------------------------------------------------
1693
1694// Add to hash table, add event handler
1695bool wxWindow::AttachWidget (wxWindow* parent, WXWidget mainWidget,
1696 WXWidget formWidget, int x, int y, int width, int height)
1697{
1698 wxAddWindowToTable((Widget) mainWidget, this);
1699 if (CanAddEventHandler())
1700 {
1701 XtAddEventHandler((Widget) mainWidget,
1702 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1703 False,
1704 wxPanelItemEventHandler,
1705 (XtPointer) this);
1706 }
1707
1708 if (!formWidget)
1709 {
1710 XtTranslations ptr;
1711 XtOverrideTranslations ((Widget) mainWidget,
1712 ptr = XtParseTranslationTable ("<Configure>: resize()"));
1713 XtFree ((char *) ptr);
1714 }
1715
1716 // Some widgets have a parent form widget, e.g. wxRadioBox
1717 if (formWidget)
1718 {
1719 if (!wxAddWindowToTable((Widget) formWidget, this))
1720 return FALSE;
1721
1722 XtTranslations ptr;
1723 XtOverrideTranslations ((Widget) formWidget,
1724 ptr = XtParseTranslationTable ("<Configure>: resize()"));
1725 XtFree ((char *) ptr);
1726 }
1727
1728 if (x == -1)
1729 x = 0;
1730 if (y == -1)
1731 y = 0;
1732 SetSize (x, y, width, height);
1733
1734 return TRUE;
1735}
1736
1737// Remove event handler, remove from hash table
1738bool wxWindow::DetachWidget(WXWidget widget)
1739{
1740 if (CanAddEventHandler())
1741 {
1742 XtRemoveEventHandler((Widget) widget,
1743 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1744 False,
1745 wxPanelItemEventHandler,
1746 (XtPointer)this);
1747 }
1748
1749 wxDeleteWindowFromTable((Widget) widget);
1750 return TRUE;
1751}
1752
1753// ----------------------------------------------------------------------------
1754// Motif-specific accessors
1755// ----------------------------------------------------------------------------
1756
1757// Get the underlying X window
1758WXWindow wxWindow::GetXWindow() const
1759{
1760 Widget wMain = (Widget)GetMainWidget();
1761 if ( wMain )
1762 return (WXWindow) XtWindow(wMain);
1763 else
1764 return (WXWindow) 0;
1765}
1766
1767// Get the underlying X display
1768WXDisplay *wxWindow::GetXDisplay() const
1769{
1770 Widget wMain = (Widget)GetMainWidget();
1771 if ( wMain )
1772 return (WXDisplay*) XtDisplay(wMain);
1773 else
1774 return (WXDisplay*) NULL;
1775}
1776
1777WXWidget wxWindow::GetMainWidget() const
1778{
1779 if (m_drawingArea)
1780 return m_drawingArea;
1781 else
1782 return m_mainWidget;
1783}
1784
1785WXWidget wxWindow::GetClientWidget() const
1786{
1787 if (m_drawingArea != (WXWidget) 0)
1788 return m_drawingArea;
1789 else
1790 return GetMainWidget();
1791}
1792
1793WXWidget wxWindow::GetTopWidget() const
1794{
1795 return GetMainWidget();
1796}
1797
1798WXWidget wxWindow::GetLabelWidget() const
1799{
1800 return GetMainWidget();
1801}
1802
1803// ----------------------------------------------------------------------------
1804// Motif callbacks
1805// ----------------------------------------------------------------------------
1806
1807// All widgets should have this as their resize proc.
1808// OnSize sent to wxWindow via client data.
1809void wxWidgetResizeProc(Widget w, XConfigureEvent *event, String args[], int *num_args)
1810{
1811 wxWindow *win = wxGetWindowFromTable(w);
1812 if (!win)
1813 return;
1814
1815 if (win->PreResize())
1816 {
1817 int width, height;
1818 win->GetSize(&width, &height);
1819 wxSizeEvent sizeEvent(wxSize(width, height), win->GetId());
1820 sizeEvent.SetEventObject(win);
1821 win->GetEventHandler()->ProcessEvent(sizeEvent);
1822 }
1823}
1824
1825static void wxCanvasRepaintProc(Widget drawingArea,
1826 XtPointer clientData,
1827 XmDrawingAreaCallbackStruct * cbs)
1828{
1829 if (!wxGetWindowFromTable(drawingArea))
1830 return;
1831
1832 XEvent * event = cbs->event;
1833 wxWindow * win = (wxWindow *) clientData;
1834
1835 switch (event->type)
1836 {
1837 case Expose:
1838 {
1839 if (event -> xexpose.count == 0)
1840 {
1841#if 0
1842 wxPaintEvent event(win->GetId());
1843 event.SetEventObject(win);
1844 win->GetEventHandler()->ProcessEvent(event);
1845#endif // 0
1846
1847 win->DoPaint();
1848 win->ClearUpdateRects();
1849 }
1850 else
1851 {
1852 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
1853 event->xexpose.width, event->xexpose.height);
1854 }
1855 break;
1856 }
1857 }
1858}
1859
1860// Unable to deal with Enter/Leave without a separate EventHandler (Motif 1.1.4)
1861static void wxCanvasEnterLeave(Widget drawingArea,
1862 XtPointer clientData,
1863 XCrossingEvent * event)
1864{
1865 XmDrawingAreaCallbackStruct cbs;
1866 XEvent ev;
1867
1868 ((XCrossingEvent &) ev) = *event;
1869
1870 cbs.reason = XmCR_INPUT;
1871 cbs.event = &ev;
1872
1873 wxCanvasInputEvent(drawingArea, (XtPointer) NULL, &cbs);
1874}
1875
1876// Fix to make it work under Motif 1.0 (!)
1877static void wxCanvasMotionEvent (Widget drawingArea, XButtonEvent * event)
1878{
1879#if XmVersion <= 1000
1880 XmDrawingAreaCallbackStruct cbs;
1881 XEvent ev;
1882
1883 ev = *((XEvent *) event);
1884 cbs.reason = XmCR_INPUT;
1885 cbs.event = &ev;
1886
1887 wxCanvasInputEvent (drawingArea, (XtPointer) NULL, &cbs);
1888#endif // XmVersion <= 1000
1889}
1890
1891static void wxCanvasInputEvent(Widget drawingArea,
1892 XtPointer data,
1893 XmDrawingAreaCallbackStruct * cbs)
1894{
1895 wxWindow *canvas = wxGetWindowFromTable(drawingArea);
1896 XEvent local_event;
1897
1898 if (canvas==NULL)
1899 return;
1900
1901 if (cbs->reason != XmCR_INPUT)
1902 return;
1903
1904 local_event = *(cbs->event); // We must keep a copy!
1905
1906 switch (local_event.xany.type)
1907 {
1908 case EnterNotify:
1909 case LeaveNotify:
1910 case ButtonPress:
1911 case ButtonRelease:
1912 case MotionNotify:
1913 {
1914 wxEventType eventType = wxEVT_NULL;
1915
1916 if (local_event.xany.type == EnterNotify)
1917 {
1918 //if (local_event.xcrossing.mode!=NotifyNormal)
1919 // return ; // Ignore grab events
1920 eventType = wxEVT_ENTER_WINDOW;
1921 // canvas->GetEventHandler()->OnSetFocus();
1922 }
1923 else if (local_event.xany.type == LeaveNotify)
1924 {
1925 //if (local_event.xcrossing.mode!=NotifyNormal)
1926 // return ; // Ignore grab events
1927 eventType = wxEVT_LEAVE_WINDOW;
1928 // canvas->GetEventHandler()->OnKillFocus();
1929 }
1930 else if (local_event.xany.type == MotionNotify)
1931 {
1932 eventType = wxEVT_MOTION;
1933 if (local_event.xmotion.is_hint == NotifyHint)
1934 {
1935 Window root, child;
1936 Display *dpy = XtDisplay (drawingArea);
1937
1938 XQueryPointer (dpy, XtWindow (drawingArea),
1939 &root, &child,
1940 &local_event.xmotion.x_root,
1941 &local_event.xmotion.y_root,
1942 &local_event.xmotion.x,
1943 &local_event.xmotion.y,
1944 &local_event.xmotion.state);
1945 }
1946 else
1947 {
1948 }
1949 }
1950
1951 else if (local_event.xany.type == ButtonPress)
1952 {
1953 if (local_event.xbutton.button == Button1)
1954 {
1955 eventType = wxEVT_LEFT_DOWN;
1956 canvas->SetButton1(TRUE);
1957 }
1958 else if (local_event.xbutton.button == Button2)
1959 {
1960 eventType = wxEVT_MIDDLE_DOWN;
1961 canvas->SetButton2(TRUE);
1962 }
1963 else if (local_event.xbutton.button == Button3)
1964 {
1965 eventType = wxEVT_RIGHT_DOWN;
1966 canvas->SetButton3(TRUE);
1967 }
1968 }
1969 else if (local_event.xany.type == ButtonRelease)
1970 {
1971 if (local_event.xbutton.button == Button1)
1972 {
1973 eventType = wxEVT_LEFT_UP;
1974 canvas->SetButton1(FALSE);
1975 }
1976 else if (local_event.xbutton.button == Button2)
1977 {
1978 eventType = wxEVT_MIDDLE_UP;
1979 canvas->SetButton2(FALSE);
1980 }
1981 else if (local_event.xbutton.button == Button3)
1982 {
1983 eventType = wxEVT_RIGHT_UP;
1984 canvas->SetButton3(FALSE);
1985 }
1986 }
1987
1988 wxMouseEvent wxevent (eventType);
1989
1990 wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1991 || (event_left_is_down (&local_event)
1992 && (eventType != wxEVT_LEFT_UP)));
1993 wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1994 || (event_middle_is_down (&local_event)
1995 && (eventType != wxEVT_MIDDLE_UP)));
1996 wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1997 || (event_right_is_down (&local_event)
1998 && (eventType != wxEVT_RIGHT_UP)));
1999
2000 wxevent.m_shiftDown = local_event.xbutton.state & ShiftMask;
2001 wxevent.m_controlDown = local_event.xbutton.state & ControlMask;
2002 wxevent.m_altDown = local_event.xbutton.state & Mod3Mask;
2003 wxevent.m_metaDown = local_event.xbutton.state & Mod1Mask;
2004 wxevent.SetTimestamp(local_event.xbutton.time);
2005
2006 // Now check if we need to translate this event into a double click
2007 if (TRUE) // canvas->doubleClickAllowed)
2008 {
2009 if (wxevent.ButtonDown())
2010 {
2011 long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2012
2013 // get button and time-stamp
2014 int button = 0;
2015 if (wxevent.LeftDown())
2016 button = 1;
2017 else if (wxevent.MiddleDown())
2018 button = 2;
2019 else if (wxevent.RightDown())
2020 button = 3;
2021 long ts = wxevent.GetTimestamp();
2022
2023 // check, if single or double click
2024 int buttonLast = canvas->GetLastClickedButton();
2025 long lastTS = canvas->GetLastClickTime();
2026 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2027 {
2028 // I have a dclick
2029 canvas->SetLastClick(0, ts);
2030 switch ( eventType )
2031 {
2032 case wxEVT_LEFT_DOWN:
2033 wxevent.SetEventType(wxEVT_LEFT_DCLICK);
2034 break;
2035 case wxEVT_MIDDLE_DOWN:
2036 wxevent.SetEventType(wxEVT_MIDDLE_DCLICK);
2037 break;
2038 case wxEVT_RIGHT_DOWN:
2039 wxevent.SetEventType(wxEVT_RIGHT_DCLICK);
2040 break;
2041
2042 default :
2043 break;
2044 }
2045
2046 }
2047 else
2048 {
2049 // not fast enough or different button
2050 canvas->SetLastClick(button, ts);
2051 }
2052 }
2053 }
2054
2055 wxevent.SetId(canvas->GetId());
2056 wxevent.SetEventObject(canvas);
2057 wxevent.m_x = local_event.xbutton.x;
2058 wxevent.m_y = local_event.xbutton.y;
2059 canvas->GetEventHandler()->ProcessEvent (wxevent);
2060#if 0
2061 if (eventType == wxEVT_ENTER_WINDOW ||
2062 eventType == wxEVT_LEAVE_WINDOW ||
2063 eventType == wxEVT_MOTION
2064 )
2065 return;
2066#endif // 0
2067 break;
2068 }
2069 case KeyPress:
2070 {
2071 KeySym keySym;
2072#if 0
2073 XComposeStatus compose;
2074 (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, &compose);
2075#endif // 0
2076
2077 (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2078 int id = wxCharCodeXToWX (keySym);
2079
2080 wxEventType eventType = wxEVT_CHAR;
2081
2082 wxKeyEvent event (eventType);
2083
2084 if (local_event.xkey.state & ShiftMask)
2085 event.m_shiftDown = TRUE;
2086 if (local_event.xkey.state & ControlMask)
2087 event.m_controlDown = TRUE;
2088 if (local_event.xkey.state & Mod3Mask)
2089 event.m_altDown = TRUE;
2090 if (local_event.xkey.state & Mod1Mask)
2091 event.m_metaDown = TRUE;
2092 event.SetEventObject(canvas);
2093 event.m_keyCode = id;
2094 event.SetTimestamp(local_event.xkey.time);
2095
2096 if (id > -1)
2097 {
2098 // Implement wxFrame::OnCharHook by checking ancestor.
2099 wxWindow *parent = canvas->GetParent();
2100 while (parent && !parent->IsKindOf(CLASSINFO(wxFrame)))
2101 parent = parent->GetParent();
2102
2103 if (parent)
2104 {
2105 event.SetEventType(wxEVT_CHAR_HOOK);
2106 if (parent->GetEventHandler()->ProcessEvent(event))
2107 return;
2108 }
2109
2110 // For simplicity, OnKeyDown is the same as OnChar
2111 // TODO: filter modifier key presses from OnChar
2112 event.SetEventType(wxEVT_KEY_DOWN);
2113
2114 // Only process OnChar if OnKeyDown didn't swallow it
2115 if (!canvas->GetEventHandler()->ProcessEvent (event))
2116 {
2117 event.SetEventType(wxEVT_CHAR);
2118 canvas->GetEventHandler()->ProcessEvent (event);
2119 }
2120 }
2121 break;
2122 }
2123 case KeyRelease:
2124 {
2125 KeySym keySym;
2126 (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2127 int id = wxCharCodeXToWX (keySym);
2128
2129 wxKeyEvent event (wxEVT_KEY_UP);
2130
2131 if (local_event.xkey.state & ShiftMask)
2132 event.m_shiftDown = TRUE;
2133 if (local_event.xkey.state & ControlMask)
2134 event.m_controlDown = TRUE;
2135 if (local_event.xkey.state & Mod3Mask)
2136 event.m_altDown = TRUE;
2137 if (local_event.xkey.state & Mod1Mask)
2138 event.m_metaDown = TRUE;
2139 event.SetEventObject(canvas);
2140 event.m_keyCode = id;
2141 event.SetTimestamp(local_event.xkey.time);
2142
2143 if (id > -1)
2144 {
2145 canvas->GetEventHandler()->ProcessEvent (event);
2146 }
2147 break;
2148 }
2149 case FocusIn:
2150 {
2151 if (local_event.xfocus.detail != NotifyPointer)
2152 {
2153 wxFocusEvent event(wxEVT_SET_FOCUS, canvas->GetId());
2154 event.SetEventObject(canvas);
2155 canvas->GetEventHandler()->ProcessEvent(event);
2156 }
2157 break;
2158 }
2159 case FocusOut:
2160 {
2161 if (local_event.xfocus.detail != NotifyPointer)
2162 {
2163 wxFocusEvent event(wxEVT_KILL_FOCUS, canvas->GetId());
2164 event.SetEventObject(canvas);
2165 canvas->GetEventHandler()->ProcessEvent(event);
2166 }
2167 break;
2168 }
2169 default:
2170 break;
2171 }
2172}
2173
2174static void wxPanelItemEventHandler(Widget wid,
2175 XtPointer client_data,
2176 XEvent* event,
2177 Boolean *continueToDispatch)
2178{
2179 // Widget can be a label or the actual widget.
2180
2181 wxWindow *window = wxGetWindowFromTable(wid);
2182 if (window)
2183 {
2184 wxMouseEvent wxevent(0);
2185 if (wxTranslateMouseEvent(wxevent, window, wid, event))
2186 {
2187 window->GetEventHandler()->ProcessEvent(wxevent);
2188 }
2189 }
2190
2191 // TODO: probably the key to allowing default behaviour to happen. Say we
2192 // set a m_doDefault flag to FALSE at the start of this function. Then in
2193 // e.g. wxWindow::OnMouseEvent we can call Default() which sets this flag to
2194 // TRUE, indicating that default processing can happen. Thus, behaviour can
2195 // appear to be overridden just by adding an event handler and not calling
2196 // wxWindow::OnWhatever. ALSO, maybe we can use this instead of the current
2197 // way of handling drawing area events, to simplify things.
2198 *continueToDispatch = True;
2199}
2200
2201static void wxScrollBarCallback(Widget scrollbar,
2202 XtPointer clientData,
2203 XmScaleCallbackStruct *cbs)
2204{
2205 wxWindow *win = wxGetWindowFromTable(scrollbar);
2206 int orientation = (int) clientData;
2207
2208 wxEventType eventType = wxEVT_NULL;
2209 switch (cbs->reason)
2210 {
2211 case XmCR_INCREMENT:
2212 {
2213 eventType = wxEVT_SCROLL_LINEDOWN;
2214 break;
2215 }
2216 case XmCR_DECREMENT:
2217 {
2218 eventType = wxEVT_SCROLL_LINEUP;
2219 break;
2220 }
2221 case XmCR_DRAG:
2222 {
2223 eventType = wxEVT_SCROLL_THUMBTRACK;
2224 break;
2225 }
2226 case XmCR_VALUE_CHANGED:
2227 {
2228 // TODO: Should this be intercepted too, or will it cause
2229 // duplicate events?
2230 eventType = wxEVT_SCROLL_THUMBTRACK;
2231 break;
2232 }
2233 case XmCR_PAGE_INCREMENT:
2234 {
2235 eventType = wxEVT_SCROLL_PAGEDOWN;
2236 break;
2237 }
2238 case XmCR_PAGE_DECREMENT:
2239 {
2240 eventType = wxEVT_SCROLL_PAGEUP;
2241 break;
2242 }
2243 case XmCR_TO_TOP:
2244 {
2245 eventType = wxEVT_SCROLL_TOP;
2246 break;
2247 }
2248 case XmCR_TO_BOTTOM:
2249 {
2250 eventType = wxEVT_SCROLL_BOTTOM;
2251 break;
2252 }
2253 default:
2254 {
2255 // Should never get here
2256 wxFAIL_MSG("Unknown scroll event.");
2257 break;
2258 }
2259 }
2260
2261 wxScrollEvent event(eventType, win->GetId());
2262 event.SetEventObject(win);
2263 event.SetPosition(cbs->value);
2264 event.SetOrientation( (orientation == XmHORIZONTAL) ? wxHORIZONTAL : wxVERTICAL );
2265
2266 win->GetEventHandler()->ProcessEvent(event);
2267}
2268
2269// For repainting arbitrary windows
2270void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *)
2271{
2272 Window window;
2273 Display *display;
2274
2275 wxWindow* win = wxGetWindowFromTable(w);
2276 if (!win)
2277 return;
2278
2279 switch(event -> type)
2280 {
2281 case Expose:
2282 {
2283 window = (Window) win -> GetXWindow();
2284 display = (Display *) win -> GetXDisplay();
2285
2286 if (event -> xexpose.count == 0)
2287 {
2288 win->DoPaint();
2289
2290 win->ClearUpdateRects();
2291 }
2292 else
2293 {
2294 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
2295 event->xexpose.width, event->xexpose.height);
2296 }
2297
2298 break;
2299 }
2300 }
2301}
2302
2303// ----------------------------------------------------------------------------
2304// CanvaseXXXSize() functions
2305// ----------------------------------------------------------------------------
2306
2307// SetSize, but as per old wxCanvas (with drawing widget etc.)
2308void wxWindow::CanvasSetSize (int x, int y, int w, int h, int sizeFlags)
2309{
2310 // A bit of optimization to help sort out the flickers.
2311 int oldX, oldY, oldW, oldH;
2312 GetSize(& oldW, & oldH);
2313 GetPosition(& oldX, & oldY);
2314
2315 bool useOldPos = FALSE;
2316 bool useOldSize = FALSE;
2317
2318 if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
2319 useOldPos = TRUE;
2320 else if (x == oldX && y == oldY)
2321 useOldPos = TRUE;
2322
2323 if ((w == -1) && (h == -1))
2324 useOldSize = TRUE;
2325 else if (w == oldW && h == oldH)
2326 useOldSize = TRUE;
2327
2328 if (!wxNoOptimize::CanOptimize())
2329 {
2330 useOldSize = FALSE; useOldPos = FALSE;
2331 }
2332
2333 if (useOldPos && useOldSize)
2334 return;
2335
2336 Widget drawingArea = (Widget) m_drawingArea;
2337 bool managed = XtIsManaged(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2338
2339 if (managed)
2340 XtUnmanageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2341 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2342
2343 int xx = x; int yy = y;
2344 AdjustForParentClientOrigin(xx, yy, sizeFlags);
2345
2346 if (!useOldPos)
2347 {
2348 if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2349 {
2350 XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2351 XmNx, xx, NULL);
2352 }
2353
2354 if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2355 {
2356 XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2357 XmNy, yy, NULL);
2358 }
2359 }
2360
2361 if (!useOldSize)
2362 {
2363
2364 if (w > -1)
2365 {
2366 if (m_borderWidget)
2367 {
2368 XtVaSetValues ((Widget) m_borderWidget, XmNwidth, w, NULL);
2369 short thick, margin;
2370 XtVaGetValues ((Widget) m_borderWidget,
2371 XmNshadowThickness, &thick,
2372 XmNmarginWidth, &margin,
2373 NULL);
2374 w -= 2 * (thick + margin);
2375 }
2376
2377 XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
2378
2379 Dimension spacing;
2380 Widget sbar;
2381 XtVaGetValues ((Widget) m_scrolledWindow,
2382 XmNspacing, &spacing,
2383 XmNverticalScrollBar, &sbar,
2384 NULL);
2385 Dimension wsbar;
2386 if (sbar)
2387 XtVaGetValues (sbar, XmNwidth, &wsbar, NULL);
2388 else
2389 wsbar = 0;
2390
2391 w -= (spacing + wsbar);
2392
2393#if 0
2394 XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2395#endif // 0
2396 }
2397 if (h > -1)
2398 {
2399 if (m_borderWidget)
2400 {
2401 XtVaSetValues ((Widget) m_borderWidget, XmNheight, h, NULL);
2402 short thick, margin;
2403 XtVaGetValues ((Widget) m_borderWidget,
2404 XmNshadowThickness, &thick,
2405 XmNmarginHeight, &margin,
2406 NULL);
2407 h -= 2 * (thick + margin);
2408 }
2409
2410 XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
2411
2412 Dimension spacing;
2413 Widget sbar;
2414 XtVaGetValues ((Widget) m_scrolledWindow,
2415 XmNspacing, &spacing,
2416 XmNhorizontalScrollBar, &sbar,
2417 NULL);
2418 Dimension wsbar;
2419 if (sbar)
2420 XtVaGetValues (sbar, XmNheight, &wsbar, NULL);
2421 else
2422 wsbar = 0;
2423
2424 h -= (spacing + wsbar);
2425
2426#if 0
2427 XtVaSetValues(drawingArea, XmNheight, h, NULL);
2428#endif // 0
2429 }
2430 }
2431
2432 if (managed)
2433 XtManageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2434 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2435
2436#if 0
2437 int ww, hh;
2438 GetClientSize (&ww, &hh);
2439 wxSizeEvent sizeEvent(wxSize(ww, hh), GetId());
2440 sizeEvent.SetEventObject(this);
2441
2442 GetEventHandler()->ProcessEvent(sizeEvent);
2443#endif // 0
2444}
2445
2446void wxWindow::CanvasSetClientSize (int w, int h)
2447{
2448 Widget drawingArea = (Widget) m_drawingArea;
2449
2450 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2451
2452 if (w > -1)
2453 XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2454 if (h > -1)
2455 XtVaSetValues(drawingArea, XmNheight, h, NULL);
2456
2457#if 0
2458 // TODO: is this necessary?
2459 allowRepainting = FALSE;
2460
2461 XSync (XtDisplay (drawingArea), FALSE);
2462 XEvent event;
2463 while (XtAppPending (wxTheApp->appContext))
2464 {
2465 XFlush (XtDisplay (drawingArea));
2466 XtAppNextEvent (wxTheApp->appContext, &event);
2467 XtDispatchEvent (&event);
2468 }
2469#endif // 0
2470
2471 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2472
2473#if 0
2474 allowRepainting = TRUE;
2475 DoRefresh ();
2476
2477 wxSizeEvent sizeEvent(wxSize(w, h), GetId());
2478 sizeEvent.SetEventObject(this);
2479
2480 GetEventHandler()->ProcessEvent(sizeEvent);
2481#endif // 0
2482}
2483
2484void wxWindow::CanvasGetClientSize (int *w, int *h) const
2485{
2486 // Must return the same thing that was set via SetClientSize
2487 Dimension xx, yy;
2488 XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2489 *w = xx;
2490 *h = yy;
2491}
2492
2493void wxWindow::CanvasGetSize (int *w, int *h) const
2494{
2495 Dimension xx, yy;
2496 if ((Widget) m_borderWidget)
2497 XtVaGetValues ((Widget) m_borderWidget, XmNwidth, &xx, XmNheight, &yy, NULL);
2498 else if ((Widget) m_scrolledWindow)
2499 XtVaGetValues ((Widget) m_scrolledWindow, XmNwidth, &xx, XmNheight, &yy, NULL);
2500 else
2501 XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2502
2503 *w = xx;
2504 *h = yy;
2505}
2506
2507void wxWindow::CanvasGetPosition (int *x, int *y) const
2508{
2509 Position xx, yy;
2510 XtVaGetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow, XmNx, &xx, XmNy, &yy, NULL);
2511
2512 // We may be faking the client origin.
2513 // So a window that's really at (0, 30) may appear
2514 // (to wxWin apps) to be at (0, 0).
2515 if (GetParent())
2516 {
2517 wxPoint pt(GetParent()->GetClientAreaOrigin());
2518 xx -= pt.x;
2519 yy -= pt.y;
2520 }
2521
2522 *x = xx;
2523 *y = yy;
2524}
2525
2526// ----------------------------------------------------------------------------
2527// TranslateXXXEvent() functions
2528// ----------------------------------------------------------------------------
2529
2530bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
2531{
2532 switch (xevent->xany.type)
2533 {
2534 case EnterNotify:
2535 case LeaveNotify:
2536 case ButtonPress:
2537 case ButtonRelease:
2538 case MotionNotify:
2539 {
2540 wxEventType eventType = wxEVT_NULL;
2541
2542 if (xevent->xany.type == LeaveNotify)
2543 {
2544 win->SetButton1(FALSE);
2545 win->SetButton2(FALSE);
2546 win->SetButton3(FALSE);
2547 return FALSE;
2548 }
2549 else if (xevent->xany.type == MotionNotify)
2550 {
2551 eventType = wxEVT_MOTION;
2552 }
2553 else if (xevent->xany.type == ButtonPress)
2554 {
2555 if (xevent->xbutton.button == Button1)
2556 {
2557 eventType = wxEVT_LEFT_DOWN;
2558 win->SetButton1(TRUE);
2559 }
2560 else if (xevent->xbutton.button == Button2)
2561 {
2562 eventType = wxEVT_MIDDLE_DOWN;
2563 win->SetButton2(TRUE);
2564 }
2565 else if (xevent->xbutton.button == Button3)
2566 {
2567 eventType = wxEVT_RIGHT_DOWN;
2568 win->SetButton3(TRUE);
2569 }
2570 }
2571 else if (xevent->xany.type == ButtonRelease)
2572 {
2573 if (xevent->xbutton.button == Button1)
2574 {
2575 eventType = wxEVT_LEFT_UP;
2576 win->SetButton1(FALSE);
2577 }
2578 else if (xevent->xbutton.button == Button2)
2579 {
2580 eventType = wxEVT_MIDDLE_UP;
2581 win->SetButton2(FALSE);
2582 }
2583 else if (xevent->xbutton.button == Button3)
2584 {
2585 eventType = wxEVT_RIGHT_UP;
2586 win->SetButton3(FALSE);
2587 }
2588 else return FALSE;
2589 }
2590 else
2591 {
2592 return FALSE;
2593 }
2594
2595 wxevent.SetEventType(eventType);
2596
2597 Position x1, y1;
2598 XtVaGetValues(widget, XmNx, &x1, XmNy, &y1, NULL);
2599
2600 int x2, y2;
2601 win->GetPosition(&x2, &y2);
2602
2603 // The button x/y must be translated to wxWindows
2604 // window space - the widget might be a label or button,
2605 // within a form.
2606 int dx = 0;
2607 int dy = 0;
2608 if (widget != (Widget)win->GetMainWidget())
2609 {
2610 dx = x1;
2611 dy = y1;
2612 }
2613
2614 wxevent.m_x = xevent->xbutton.x + dx;
2615 wxevent.m_y = xevent->xbutton.y + dy;
2616
2617 wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2618 || (event_left_is_down (xevent)
2619 && (eventType != wxEVT_LEFT_UP)));
2620 wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2621 || (event_middle_is_down (xevent)
2622 && (eventType != wxEVT_MIDDLE_UP)));
2623 wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2624 || (event_right_is_down (xevent)
2625 && (eventType != wxEVT_RIGHT_UP)));
2626
2627 wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
2628 wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
2629 return TRUE;
2630 }
2631 }
2632 return FALSE;
2633}
2634
2635bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
2636{
2637 switch (xevent->xany.type)
2638 {
2639 case KeyPress:
2640 {
2641 char buf[20];
2642
2643 KeySym keySym;
2644#if 0
2645 XComposeStatus compose;
2646 (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, &compose);
2647#endif // 0
2648 (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
2649 int id = wxCharCodeXToWX (keySym);
2650
2651 if (xevent->xkey.state & ShiftMask)
2652 wxevent.m_shiftDown = TRUE;
2653 if (xevent->xkey.state & ControlMask)
2654 wxevent.m_controlDown = TRUE;
2655 if (xevent->xkey.state & Mod3Mask)
2656 wxevent.m_altDown = TRUE;
2657 if (xevent->xkey.state & Mod1Mask)
2658 wxevent.m_metaDown = TRUE;
2659 wxevent.SetEventObject(win);
2660 wxevent.m_keyCode = id;
2661 wxevent.SetTimestamp(xevent->xkey.time);
2662
2663 wxevent.m_x = xevent->xbutton.x;
2664 wxevent.m_y = xevent->xbutton.y;
2665
2666 if (id > -1)
2667 return TRUE;
2668 else
2669 return FALSE;
2670 break;
2671 }
2672 default:
2673 break;
2674 }
2675 return FALSE;
2676}
2677
2678// ----------------------------------------------------------------------------
2679// Colour stuff
2680// ----------------------------------------------------------------------------
2681
2682#define YAllocColor XAllocColor
2683XColor g_itemColors[5];
2684int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
2685{
2686 int result;
2687 static XmColorProc colorProc;
2688
2689 result = wxNO_COLORS;
2690
2691 if (back)
2692 {
2693 g_itemColors[0].red = (((long) back->Red ()) << 8);
2694 g_itemColors[0].green = (((long) back->Green ()) << 8);
2695 g_itemColors[0].blue = (((long) back->Blue ()) << 8);
2696 g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
2697 if (colorProc == (XmColorProc) NULL)
2698 {
2699 // Get a ptr to the actual function
2700 colorProc = XmSetColorCalculation ((XmColorProc) NULL);
2701 // And set it back to motif.
2702 XmSetColorCalculation (colorProc);
2703 }
2704 (*colorProc) (&g_itemColors[wxBACK_INDEX],
2705 &g_itemColors[wxFORE_INDEX],
2706 &g_itemColors[wxSELE_INDEX],
2707 &g_itemColors[wxTOPS_INDEX],
2708 &g_itemColors[wxBOTS_INDEX]);
2709 result = wxBACK_COLORS;
2710 }
2711 if (fore)
2712 {
2713 g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
2714 g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
2715 g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
2716 g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
2717 if (result == wxNO_COLORS)
2718 result = wxFORE_COLORS;
2719 }
2720
2721 Display *dpy = display;
2722 Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
2723
2724 if (back)
2725 {
2726 /* 5 Colours to allocate */
2727 for (int i = 0; i < 5; i++)
2728 if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
2729 result = wxNO_COLORS;
2730 }
2731 else if (fore)
2732 {
2733 /* Only 1 colour to allocate */
2734 if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
2735 result = wxNO_COLORS;
2736 }
2737
2738 return (result);
2739
2740}
2741
2742// Changes the foreground and background colours to be derived from the current
2743// background colour. To change the foreground colour, you must call
2744// SetForegroundColour explicitly.
2745void wxWindow::ChangeBackgroundColour()
2746{
2747 WXWidget mainWidget = GetMainWidget();
2748 if ( mainWidget )
2749 DoChangeBackgroundColour(mainWidget, m_backgroundColour);
2750
2751 // This not necessary
2752#if 0
2753
2754 if (m_scrolledWindow && (GetMainWidget() != m_scrolledWindow))
2755 {
2756 DoChangeBackgroundColour(m_scrolledWindow, m_backgroundColour);
2757 // Have to set the scrollbar colours back since
2758 // the scrolled window seemed to change them
2759 wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
2760
2761 if (m_hScrollBar)
2762 DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
2763 if (m_vScrollBar)
2764 DoChangeBackgroundColour(m_vScrollBar, backgroundColour);
2765 }
2766#endif
2767}
2768
2769void wxWindow::ChangeForegroundColour()
2770{
2771 WXWidget mainWidget = GetMainWidget();
2772 if ( mainWidget )
2773 DoChangeForegroundColour(mainWidget, m_foregroundColour);
2774 if ( m_scrolledWindow && mainWidget != m_scrolledWindow )
2775 DoChangeForegroundColour(m_scrolledWindow, m_foregroundColour);
2776}
2777
2778// Change a widget's foreground and background colours.
2779void wxWindow::DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
2780{
2781 // When should we specify the foreground, if it's calculated
2782 // by wxComputeColours?
2783 // Solution: say we start with the default (computed) foreground colour.
2784 // If we call SetForegroundColour explicitly for a control or window,
2785 // then the foreground is changed.
2786 // Therefore SetBackgroundColour computes the foreground colour, and
2787 // SetForegroundColour changes the foreground colour. The ordering is
2788 // important.
2789
2790 Widget w = (Widget)widget;
2791 XtVaSetValues(
2792 w,
2793 XmNforeground, foregroundColour.AllocColour(XtDisplay(w)),
2794 NULL
2795 );
2796}
2797
2798void wxWindow::DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
2799{
2800 wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
2801 (wxColour*) NULL);
2802
2803 XtVaSetValues ((Widget) widget,
2804 XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
2805 XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
2806 XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
2807 XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
2808 NULL);
2809
2810 if (changeArmColour)
2811 XtVaSetValues ((Widget) widget,
2812 XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
2813 NULL);
2814}
2815
2816bool wxWindow::SetBackgroundColour(const wxColour& col)
2817{
2818 if ( !wxWindowBase::SetBackgroundColour(col) )
2819 return FALSE;
2820
2821 ChangeBackgroundColour();
2822
2823 return TRUE;
2824}
2825
2826bool wxWindow::SetForegroundColour(const wxColour& col)
2827{
2828 if ( !wxWindowBase::SetForegroundColour(col) )
2829 return FALSE;
2830
2831 ChangeForegroundColour();
2832
2833 return TRUE;
2834}
2835
2836void wxWindow::ChangeFont(bool keepOriginalSize)
2837{
2838 // Note that this causes the widget to be resized back
2839 // to its original size! We therefore have to set the size
2840 // back again. TODO: a better way in Motif?
2841 Widget w = (Widget) GetLabelWidget(); // Usually the main widget
2842 if (w && m_font.Ok())
2843 {
2844 int width, height, width1, height1;
2845 GetSize(& width, & height);
2846
2847 // lesstif 0.87 hangs here
2848#ifndef LESSTIF_VERSION
2849 XtVaSetValues (w,
2850 XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay(w)),
2851 NULL);
2852#endif
2853
2854 GetSize(& width1, & height1);
2855 if (keepOriginalSize && (width != width1 || height != height1))
2856 {
2857 SetSize(-1, -1, width, height);
2858 }
2859 }
2860}
2861
2862// ----------------------------------------------------------------------------
2863// global functions
2864// ----------------------------------------------------------------------------
2865
2866wxWindow *wxGetActiveWindow()
2867{
2868 // TODO
2869 return NULL;
2870}
2871
2872// ----------------------------------------------------------------------------
2873// wxNoOptimize: switch off size optimization
2874// ----------------------------------------------------------------------------
2875
2876int wxNoOptimize::ms_count = 0;
wxWidgets (Impactor)