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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#ifdef __VMS
25#define XtDisplay XTDISPLAY
26#define XtWindow XTWINDOW
27#define XtScreen XTSCREEN
28#endif
29
30#include "wx/setup.h"
31#include "wx/menu.h"
32#include "wx/dc.h"
33#include "wx/dcclient.h"
34#include "wx/utils.h"
35#include "wx/app.h"
36#include "wx/panel.h"
37#include "wx/layout.h"
38#include "wx/dialog.h"
39#include "wx/listbox.h"
40#include "wx/button.h"
41#include "wx/settings.h"
42#include "wx/msgdlg.h"
43#include "wx/frame.h"
44#include "wx/scrolwin.h"
45#include "wx/module.h"
46#include "wx/menuitem.h"
47#include "wx/log.h"
48
49#if wxUSE_DRAG_AND_DROP
50 #include "wx/dnd.h"
51#endif
52
53#ifdef __VMS__
54#pragma message disable nosimpint
55#endif
56#include <Xm/Xm.h>
57
58#include <Xm/DrawingA.h>
59#include <Xm/ScrolledW.h>
60#include <Xm/ScrollBar.h>
61#include <Xm/Frame.h>
62#include <Xm/Label.h>
63#include <Xm/RowColumn.h> // for XmMenuPosition
64#ifdef __VMS__
65#pragma message enable nosimpint
66#endif
67
68#include "wx/motif/private.h"
69
70#include <string.h>
71
72// ----------------------------------------------------------------------------
73// constants
74// ----------------------------------------------------------------------------
75
76static const int SCROLL_MARGIN = 4;
77
78// ----------------------------------------------------------------------------
79// global variables for this module
80// ----------------------------------------------------------------------------
81
82extern wxHashTable *wxWidgetHashTable;
83static wxWindow* g_captureWindow = NULL;
84
85
86// ----------------------------------------------------------------------------
87// private functions
88// ----------------------------------------------------------------------------
89
90static void wxCanvasRepaintProc(Widget, XtPointer, XmDrawingAreaCallbackStruct * cbs);
91static void wxCanvasInputEvent(Widget drawingArea, XtPointer data, XmDrawingAreaCallbackStruct * cbs);
92static void wxCanvasMotionEvent(Widget, XButtonEvent * event);
93static void wxCanvasEnterLeave(Widget drawingArea, XtPointer clientData, XCrossingEvent * event);
94static void wxScrollBarCallback(Widget widget, XtPointer clientData,
95 XmScrollBarCallbackStruct *cbs);
96static void wxPanelItemEventHandler(Widget wid,
97 XtPointer client_data,
98 XEvent* event,
99 Boolean *continueToDispatch);
100
101// unused for now
102#if 0
103
104// Helper function for 16-bit fonts
105static int str16len(const char *s)
106{
107 int count = 0;
108
109 while (s[0] && s[1]) {
110 count++;
111 s += 2;
112 }
113
114 return count;
115}
116
117#endif // 0
118
119// ----------------------------------------------------------------------------
120// macros
121// ----------------------------------------------------------------------------
122
123#define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
124#define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
125#define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
126
127// ----------------------------------------------------------------------------
128// event tables
129// ----------------------------------------------------------------------------
130
131 IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
132
133 BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
134 EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
135 EVT_IDLE(wxWindow::OnIdle)
136 END_EVENT_TABLE()
137
138// ============================================================================
139// implementation
140// ============================================================================
141
142// ----------------------------------------------------------------------------
143// helper functions
144// ----------------------------------------------------------------------------
145
146void wxWindow::UnmanageAndDestroy(WXWidget widget)
147{
148 Widget w = (Widget)widget;
149 if ( w )
150 {
151 XtUnmanageChild(w);
152 XtDestroyWidget(w);
153 }
154}
155
156bool wxWindow::MapOrUnmap(WXWidget widget, bool map)
157{
158 Widget w = (Widget)widget;
159 if ( !w )
160 return FALSE;
161
162 if ( map )
163 XtMapWidget(w);
164 else
165 XtUnmapWidget(w);
166
167 return TRUE;
168}
169
170// ----------------------------------------------------------------------------
171// constructors
172// ----------------------------------------------------------------------------
173
174void wxWindow::Init()
175{
176 // generic initializations first
177 InitBase();
178
179 // Motif-specific
180 m_needsRefresh = TRUE;
181 m_mainWidget = (WXWidget) 0;
182
183 m_button1Pressed =
184 m_button2Pressed =
185 m_button3Pressed = FALSE;
186
187 m_winCaptured = FALSE;
188
189 m_isShown = TRUE;
190 m_isBeingDeleted = FALSE;
191
192 m_hScrollBar =
193 m_vScrollBar =
194 m_borderWidget =
195 m_scrolledWindow =
196 m_drawingArea = (WXWidget) 0;
197
198 m_hScroll =
199 m_vScroll = FALSE;
200
201 m_scrollPosX =
202 m_scrollPosY = 0;
203
204 m_backingPixmap = (WXPixmap) 0;
205 m_pixmapWidth =
206 m_pixmapHeight = 0;
207
208 m_pixmapOffsetX =
209 m_pixmapOffsetY = 0;
210
211 m_lastTS = 0;
212 m_lastButton = 0;
213 m_canAddEventHandler = FALSE;
214}
215
216// real construction (Init() must have been called before!)
217bool wxWindow::Create(wxWindow *parent, wxWindowID id,
218 const wxPoint& pos,
219 const wxSize& size,
220 long style,
221 const wxString& name)
222{
223 wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
224
225 CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
226
227 parent->AddChild(this);
228
229 m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
230 m_foregroundColour = *wxBLACK;
231
232 //// TODO: we should probably optimize by only creating a
233 //// a drawing area if we have one or more scrollbars (wxVSCROLL/wxHSCROLL).
234 //// But for now, let's simplify things by always creating the
235 //// drawing area, since otherwise the translations are different.
236
237 // New translations for getting mouse motion feedback
238 static const String translations =
239"<Btn1Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
240<Btn2Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
241<Btn3Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
242<BtnMotion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
243<Btn1Down>: DrawingAreaInput() ManagerGadgetArm()\n\
244<Btn2Down>: DrawingAreaInput() ManagerGadgetArm()\n\
245<Btn3Down>: DrawingAreaInput() ManagerGadgetArm()\n\
246<Btn1Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
247<Btn2Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
248<Btn3Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
249<Motion>: wxCanvasMotionEvent() DrawingAreaInput()\n\
250<EnterWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
251<LeaveWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
252<Key>: DrawingAreaInput()";
253
254 XtActionsRec actions[1];
255 actions[0].string = "wxCanvasMotionEvent";
256 actions[0].proc = (XtActionProc) wxCanvasMotionEvent;
257 XtAppAddActions ((XtAppContext) wxTheApp->GetAppContext(), actions, 1);
258
259 Widget parentWidget = (Widget) parent->GetClientWidget();
260
261 if (style & wxSIMPLE_BORDER)
262 {
263 m_borderWidget = (WXWidget)XtVaCreateManagedWidget
264 (
265 "canvasBorder",
266 xmFrameWidgetClass, parentWidget,
267 XmNshadowType, XmSHADOW_IN,
268 XmNshadowThickness, 1,
269 NULL
270 );
271 } else if (style & wxSUNKEN_BORDER)
272 {
273 m_borderWidget = (WXWidget)XtVaCreateManagedWidget
274 (
275 "canvasBorder",
276 xmFrameWidgetClass, parentWidget,
277 XmNshadowType, XmSHADOW_IN,
278 NULL
279 );
280 } else if (style & wxRAISED_BORDER)
281 {
282 m_borderWidget = (WXWidget)XtVaCreateManagedWidget
283 (
284 "canvasBorder",
285 xmFrameWidgetClass, parentWidget,
286 XmNshadowType, XmSHADOW_OUT,
287 NULL
288 );
289 }
290
291 m_scrolledWindow = (WXWidget)XtVaCreateManagedWidget
292 (
293 "scrolledWindow",
294 xmScrolledWindowWidgetClass,
295 m_borderWidget ? (Widget) m_borderWidget
296 : parentWidget,
297 XmNresizePolicy, XmRESIZE_NONE,
298 XmNspacing, 0,
299 XmNscrollingPolicy, XmAPPLICATION_DEFINED,
300 //XmNscrollBarDisplayPolicy, XmAS_NEEDED,
301 NULL
302 );
303
304 XtTranslations ptr = XtParseTranslationTable(translations);
305 m_drawingArea = (WXWidget)XtVaCreateWidget
306 (
307 name,
308 xmDrawingAreaWidgetClass, (Widget) m_scrolledWindow,
309 XmNunitType, XmPIXELS,
310 // XmNresizePolicy, XmRESIZE_ANY,
311 XmNresizePolicy, XmRESIZE_NONE,
312 XmNmarginHeight, 0,
313 XmNmarginWidth, 0,
314 XmNtranslations, ptr,
315 NULL
316 );
317 XtFree((char *) ptr);
318
319#if 0
320 if (GetWindowStyleFlag() & wxOVERRIDE_KEY_TRANSLATIONS)
321 {
322 ptr = XtParseTranslationTable ("<Key>: DrawingAreaInput()");
323 XtOverrideTranslations ((Widget) m_drawingArea, ptr);
324 XtFree ((char *) ptr);
325 }
326#endif // 0
327
328 wxAddWindowToTable((Widget) m_drawingArea, this);
329 wxAddWindowToTable((Widget) m_scrolledWindow, this);
330
331 // This order is very important in Motif 1.2.1
332 XtRealizeWidget ((Widget) m_scrolledWindow);
333 XtRealizeWidget ((Widget) m_drawingArea);
334 XtManageChild ((Widget) m_drawingArea);
335
336 ptr = XtParseTranslationTable("<Configure>: resize()");
337 XtOverrideTranslations((Widget) m_drawingArea, ptr);
338 XtFree ((char *) ptr);
339
340 XtAddCallback ((Widget) m_drawingArea, XmNexposeCallback, (XtCallbackProc) wxCanvasRepaintProc, (XtPointer) this);
341 XtAddCallback ((Widget) m_drawingArea, XmNinputCallback, (XtCallbackProc) wxCanvasInputEvent, (XtPointer) this);
342
343 // TODO?
344#if 0
345 display = XtDisplay (scrolledWindow);
346 xwindow = XtWindow (drawingArea);
347#endif // 0
348
349 XtAddEventHandler(
350 (Widget)m_drawingArea,
351 PointerMotionHintMask | EnterWindowMask |
352 LeaveWindowMask | FocusChangeMask,
353 False,
354 (XtEventHandler) wxCanvasEnterLeave,
355 (XtPointer) this
356 );
357
358 // Scrolled widget needs to have its colour changed or we get a little blue
359 // square where the scrollbars abutt
360 wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
361 DoChangeBackgroundColour(m_scrolledWindow, backgroundColour, TRUE);
362 DoChangeBackgroundColour(m_drawingArea, backgroundColour, TRUE);
363
364 XmScrolledWindowSetAreas(
365 (Widget)m_scrolledWindow,
366 (Widget) 0, (Widget) 0,
367 (Widget) m_drawingArea);
368
369#if 0
370 if (m_hScrollBar)
371 XtRealizeWidget ((Widget) m_hScrollBar);
372 if (m_vScrollBar)
373 XtRealizeWidget ((Widget) m_vScrollBar);
374#endif // 0
375
376 // Without this, the cursor may not be restored properly (e.g. in splitter
377 // sample).
378 SetCursor(*wxSTANDARD_CURSOR);
379 SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
380 SetSize(pos.x, pos.y, size.x, size.y);
381
382 return TRUE;
383}
384
385// Destructor
386wxWindow::~wxWindow()
387{
388 if (g_captureWindow == this)
389 g_captureWindow = NULL;
390
391 m_isBeingDeleted = TRUE;
392
393 // Motif-specific actions first
394 WXWidget wMain = GetMainWidget();
395 if ( wMain )
396 {
397 // Removes event handlers
398 DetachWidget(wMain);
399 }
400
401 ClearUpdateRects();
402
403 if ( m_parent )
404 m_parent->RemoveChild( this );
405
406 // If m_drawingArea, we're a fully-fledged window with drawing area,
407 // scrollbars etc. (what wxCanvas used to be)
408 if ( m_drawingArea )
409 {
410 // Destroy children before destroying self
411 DestroyChildren();
412
413 if (m_backingPixmap)
414 XFreePixmap (XtDisplay ((Widget) GetMainWidget()), (Pixmap) m_backingPixmap);
415
416 Widget w = (Widget) m_drawingArea;
417 wxDeleteWindowFromTable(w);
418
419 if (w)
420 {
421 XtDestroyWidget(w);
422 m_drawingArea = (WXWidget) 0;
423 }
424
425 // Only if we're _really_ a canvas (not a dialog box/panel)
426 if (m_scrolledWindow)
427 {
428 wxDeleteWindowFromTable((Widget) m_scrolledWindow);
429 }
430
431 if (m_hScrollBar)
432 {
433 wxDeleteWindowFromTable((Widget) m_hScrollBar);
434 XtUnmanageChild((Widget) m_hScrollBar);
435 }
436 if (m_vScrollBar)
437 {
438 wxDeleteWindowFromTable((Widget) m_vScrollBar);
439 XtUnmanageChild((Widget) m_vScrollBar);
440 }
441
442 if (m_hScrollBar)
443 XtDestroyWidget((Widget) m_hScrollBar);
444 if (m_vScrollBar)
445 XtDestroyWidget((Widget) m_vScrollBar);
446
447 UnmanageAndDestroy(m_scrolledWindow);
448
449 if (m_borderWidget)
450 {
451 XtDestroyWidget ((Widget) m_borderWidget);
452 m_borderWidget = (WXWidget) 0;
453 }
454 }
455 else // Why wasn't this here before? JACS 8/3/2000
456 DestroyChildren();
457
458
459 // Destroy the window
460 if (GetMainWidget())
461 {
462 // If this line (XtDestroyWidget) causes a crash, you may comment it out.
463 // Child widgets will get destroyed automatically when a frame
464 // or dialog is destroyed, but before that you may get some memory
465 // leaks and potential layout problems if you delete and then add
466 // child windows.
467
468 // GRG, Feb/2000: commented this out when adding support for
469 // wxSCROLL[WIN]_THUMBRELEASE events. Also it was reported
470 // that this call crashed wxMotif under OS/2, so it seems
471 // that leaving it out is the right thing to do.
472 // SN, Feb/2000: newgrid/griddemo shows why it is needed :-(
473 XtDestroyWidget((Widget) GetMainWidget());
474 SetMainWidget((WXWidget) NULL);
475 }
476}
477
478// ----------------------------------------------------------------------------
479// scrollbar management
480// ----------------------------------------------------------------------------
481
482// Helper function
483void wxWindow::CreateScrollbar(wxOrientation orientation)
484{
485 wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
486
487 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
488
489 // Add scrollbars if required
490 if (orientation == wxHORIZONTAL)
491 {
492 Widget hScrollBar = XtVaCreateManagedWidget ("hsb",
493 xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
494 XmNorientation, XmHORIZONTAL,
495 NULL);
496 XtAddCallback (hScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
497 XtAddCallback (hScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
498 XtAddCallback (hScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
499 XtAddCallback (hScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
500 XtAddCallback (hScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
501 XtAddCallback (hScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
502 XtAddCallback (hScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
503 XtAddCallback (hScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
504
505 XtVaSetValues (hScrollBar,
506 XmNincrement, 1,
507 XmNvalue, 0,
508 NULL);
509
510 m_hScrollBar = (WXWidget) hScrollBar;
511
512 wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
513 DoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
514
515 XtRealizeWidget(hScrollBar);
516
517 XtVaSetValues((Widget) m_scrolledWindow,
518 XmNhorizontalScrollBar, (Widget) m_hScrollBar,
519 NULL);
520
521 m_hScroll = TRUE;
522
523 wxAddWindowToTable( hScrollBar, this );
524 }
525
526 if (orientation == wxVERTICAL)
527 {
528 Widget vScrollBar = XtVaCreateManagedWidget ("vsb",
529 xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
530 XmNorientation, XmVERTICAL,
531 NULL);
532 XtAddCallback (vScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
533 XtAddCallback (vScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
534 XtAddCallback (vScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
535 XtAddCallback (vScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
536 XtAddCallback (vScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
537 XtAddCallback (vScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
538 XtAddCallback (vScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
539 XtAddCallback (vScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
540
541 XtVaSetValues (vScrollBar,
542 XmNincrement, 1,
543 XmNvalue, 0,
544 NULL);
545
546 m_vScrollBar = (WXWidget) vScrollBar;
547 wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
548 DoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
549
550 XtRealizeWidget(vScrollBar);
551
552 XtVaSetValues((Widget) m_scrolledWindow,
553 XmNverticalScrollBar, (Widget) m_vScrollBar,
554 NULL);
555
556 m_vScroll = TRUE;
557
558 wxAddWindowToTable( vScrollBar, this );
559 }
560
561 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
562}
563
564void wxWindow::DestroyScrollbar(wxOrientation orientation)
565{
566 wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
567
568 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
569 // Add scrollbars if required
570 if (orientation == wxHORIZONTAL)
571 {
572 if (m_hScrollBar)
573 {
574 wxDeleteWindowFromTable((Widget)m_hScrollBar);
575 XtDestroyWidget((Widget) m_hScrollBar);
576 }
577 m_hScrollBar = (WXWidget) 0;
578 m_hScroll = FALSE;
579
580 XtVaSetValues((Widget) m_scrolledWindow,
581 XmNhorizontalScrollBar, (Widget) 0,
582 NULL);
583
584 }
585
586 if (orientation == wxVERTICAL)
587 {
588 if (m_vScrollBar)
589 {
590 wxDeleteWindowFromTable((Widget)m_vScrollBar);
591 XtDestroyWidget((Widget) m_vScrollBar);
592 }
593 m_vScrollBar = (WXWidget) 0;
594 m_vScroll = FALSE;
595
596 XtVaSetValues((Widget) m_scrolledWindow,
597 XmNverticalScrollBar, (Widget) 0,
598 NULL);
599
600 }
601 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
602}
603
604// ---------------------------------------------------------------------------
605// basic operations
606// ---------------------------------------------------------------------------
607
608void wxWindow::SetFocus()
609{
610 Widget wMain = (Widget) GetMainWidget();
611 XmProcessTraversal(wMain, XmTRAVERSE_CURRENT);
612 XmProcessTraversal((Widget) GetMainWidget(), XmTRAVERSE_CURRENT);
613}
614
615// Get the window with the focus
616wxWindow *wxWindowBase::FindFocus()
617{
618 // TODO Problems:
619 // (1) Can there be multiple focussed widgets in an application?
620 // In which case we need to find the top-level window that's
621 // currently active.
622 // (2) The widget with the focus may not be in the widget table
623 // depending on which widgets I put in the table
624 wxWindow *winFocus = (wxWindow *)NULL;
625 for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
626 node;
627 node = node->GetNext() )
628 {
629 wxWindow *win = node->GetData();
630
631 Widget w = XmGetFocusWidget ((Widget) win->GetTopWidget());
632
633 if (w != (Widget) NULL)
634 {
635 winFocus = wxGetWindowFromTable(w);
636 if ( winFocus )
637 break;
638 }
639 }
640
641 return winFocus;
642}
643
644bool wxWindow::Enable(bool enable)
645{
646 if ( !wxWindowBase::Enable(enable) )
647 return FALSE;
648
649 Widget wMain = (Widget)GetMainWidget();
650 if ( wMain )
651 {
652 XtSetSensitive(wMain, enable);
653 XmUpdateDisplay(wMain);
654 }
655
656 return TRUE;
657}
658
659bool wxWindow::Show(bool show)
660{
661 if ( !wxWindowBase::Show(show) )
662 return FALSE;
663
664 if (m_borderWidget || m_scrolledWindow)
665 {
666 MapOrUnmap(m_drawingArea, show);
667 MapOrUnmap(m_borderWidget ? m_borderWidget : m_scrolledWindow, show);
668 }
669 else
670 {
671 if ( !MapOrUnmap(GetTopWidget(), show) )
672 MapOrUnmap(GetMainWidget(), show);
673 }
674
675#if 0
676 Window xwin = (Window) GetXWindow();
677 Display *xdisp = (Display*) GetXDisplay();
678 if (show)
679 XMapWindow(xdisp, xwin);
680 else
681 XUnmapWindow(xdisp, xwin);
682#endif
683
684 return TRUE;
685}
686
687// Raise the window to the top of the Z order
688void wxWindow::Raise()
689{
690 Widget wTop = (Widget) GetTopWidget();
691 Window window = XtWindow(wTop);
692 XRaiseWindow(XtDisplay(wTop), window);
693}
694
695// Lower the window to the bottom of the Z order
696void wxWindow::Lower()
697{
698 Widget wTop = (Widget) GetTopWidget();
699 Window window = XtWindow(wTop);
700 XLowerWindow(XtDisplay(wTop), window);
701}
702
703void wxWindow::SetTitle(const wxString& title)
704{
705 XtVaSetValues((Widget)GetMainWidget(), XmNtitle, title.c_str(), NULL);
706}
707
708wxString wxWindow::GetTitle() const
709{
710 char *title;
711 XtVaGetValues((Widget)GetMainWidget(), XmNtitle, &title, NULL);
712
713 return wxString(title);
714}
715
716void wxWindow::DoCaptureMouse()
717{
718 g_captureWindow = this;
719 if ( m_winCaptured )
720 return;
721
722 Widget wMain = (Widget)GetMainWidget();
723 if ( wMain )
724 XtAddGrab(wMain, TRUE, FALSE);
725
726 m_winCaptured = TRUE;
727}
728
729void wxWindow::DoReleaseMouse()
730{
731 g_captureWindow = NULL;
732 if ( !m_winCaptured )
733 return;
734
735 Widget wMain = (Widget)GetMainWidget();
736 if ( wMain )
737 XtRemoveGrab(wMain);
738
739 m_winCaptured = FALSE;
740}
741
742bool wxWindow::SetFont(const wxFont& font)
743{
744 if ( !wxWindowBase::SetFont(font) )
745 {
746 // nothing to do
747 return FALSE;
748 }
749
750 ChangeFont();
751
752 return TRUE;
753}
754
755bool wxWindow::SetCursor(const wxCursor& cursor)
756{
757 if ( !wxWindowBase::SetCursor(cursor) )
758 {
759 // no change
760 return FALSE;
761 }
762
763 // wxASSERT_MSG( m_cursor.Ok(),
764 // wxT("cursor must be valid after call to the base version"));
765 wxCursor* cursor2 = NULL;
766 if (m_cursor.Ok())
767 cursor2 = & m_cursor;
768 else
769 cursor2 = wxSTANDARD_CURSOR;
770
771 WXDisplay *dpy = GetXDisplay();
772 WXCursor x_cursor = cursor2->GetXCursor(dpy);
773
774 Widget w = (Widget) GetMainWidget();
775 Window win = XtWindow(w);
776 XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
777
778 return TRUE;
779}
780
781// Coordinates relative to the window
782void wxWindow::WarpPointer (int x, int y)
783{
784 Widget wClient = (Widget)GetClientWidget();
785
786 XWarpPointer(XtDisplay(wClient), None, XtWindow(wClient), 0, 0, 0, 0, x, y);
787}
788
789// ---------------------------------------------------------------------------
790// scrolling stuff
791// ---------------------------------------------------------------------------
792
793int wxWindow::GetScrollPos(int orient) const
794{
795 if (orient == wxHORIZONTAL)
796 return m_scrollPosX;
797 else
798 return m_scrollPosY;
799
800#if 0
801 Widget scrollBar = (Widget) ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar);
802 if (scrollBar)
803 {
804 int pos;
805 XtVaGetValues(scrollBar, XmNvalue, &pos, NULL);
806 return pos;
807 }
808 else
809 return 0;
810#endif // 0
811}
812
813// This now returns the whole range, not just the number of positions that we
814// can scroll.
815int wxWindow::GetScrollRange(int orient) const
816{
817 Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
818 wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
819
820 int range = 0;
821 if (scrollBar)
822 XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
823 return range;
824}
825
826int wxWindow::GetScrollThumb(int orient) const
827{
828 Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
829 wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
830
831 int thumb;
832 XtVaGetValues(scrollBar, XmNsliderSize, &thumb, NULL);
833 return thumb;
834}
835
836void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
837{
838 Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
839
840 if ( scrollBar )
841 {
842 XtVaSetValues (scrollBar, XmNvalue, pos, NULL);
843 }
844
845 SetInternalScrollPos((wxOrientation)orient, pos);
846}
847
848// New function that will replace some of the above.
849void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
850 int range, bool WXUNUSED(refresh))
851{
852 int oldW, oldH;
853 GetSize(& oldW, & oldH);
854
855 if (range == 0)
856 range = 1;
857 if (thumbVisible == 0)
858 thumbVisible = 1;
859
860 if (thumbVisible > range)
861 thumbVisible = range;
862
863 // Save the old state to see if it changed
864 WXWidget oldScrollBar = GetScrollbar((wxOrientation)orient);
865
866 if (orient == wxHORIZONTAL)
867 {
868 if (thumbVisible == range)
869 {
870 if (m_hScrollBar)
871 DestroyScrollbar(wxHORIZONTAL);
872 }
873 else
874 {
875 if (!m_hScrollBar)
876 CreateScrollbar(wxHORIZONTAL);
877 }
878 }
879 if (orient == wxVERTICAL)
880 {
881 if (thumbVisible == range)
882 {
883 if (m_vScrollBar)
884 DestroyScrollbar(wxVERTICAL);
885 }
886 else
887 {
888 if (!m_vScrollBar)
889 CreateScrollbar(wxVERTICAL);
890 }
891 }
892 WXWidget newScrollBar = GetScrollbar((wxOrientation)orient);
893
894 if (oldScrollBar != newScrollBar)
895 {
896 // This is important! Without it, scrollbars misbehave badly.
897 XtUnrealizeWidget((Widget) m_scrolledWindow);
898 XmScrolledWindowSetAreas ((Widget) m_scrolledWindow, (Widget) m_hScrollBar, (Widget) m_vScrollBar, (Widget) m_drawingArea);
899 XtRealizeWidget((Widget) m_scrolledWindow);
900 XtManageChild((Widget) m_scrolledWindow);
901 }
902
903 if (newScrollBar)
904 {
905 XtVaSetValues((Widget) newScrollBar,
906 XmNvalue, pos,
907 XmNminimum, 0,
908 XmNmaximum, range,
909 XmNsliderSize, thumbVisible,
910 NULL);
911 }
912
913 SetInternalScrollPos((wxOrientation)orient, pos);
914
915 int newW, newH;
916 GetSize(& newW, & newH);
917
918 // Adjusting scrollbars can resize the canvas accidentally
919 if (newW != oldW || newH != oldH)
920 SetSize(-1, -1, oldW, oldH);
921}
922
923// Does a physical scroll
924void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
925{
926 int x, y, w, h;
927 if (rect)
928 {
929 // Use specified rectangle
930 x = rect->x; y = rect->y; w = rect->width; h = rect->height;
931 }
932 else
933 {
934 // Use whole client area
935 x = 0; y = 0;
936 GetClientSize(& w, & h);
937 }
938
939 wxNode *cnode = m_children.First();
940 while (cnode)
941 {
942 wxWindow *child = (wxWindow*) cnode->Data();
943 int sx = 0;
944 int sy = 0;
945 child->GetSize( &sx, &sy );
946 wxPoint pos( child->GetPosition() );
947 child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
948 cnode = cnode->Next();
949 }
950
951 int x1 = (dx >= 0) ? x : x - dx;
952 int y1 = (dy >= 0) ? y : y - dy;
953 int w1 = w - abs(dx);
954 int h1 = h - abs(dy);
955 int x2 = (dx >= 0) ? x + dx : x;
956 int y2 = (dy >= 0) ? y + dy : y;
957
958 wxClientDC dc(this);
959
960 dc.SetLogicalFunction (wxCOPY);
961
962 Widget widget = (Widget) GetMainWidget();
963 Window window = XtWindow(widget);
964 Display* display = XtDisplay(widget);
965
966 XCopyArea(display, window, window, (GC) dc.GetGC(),
967 x1, y1, w1, h1, x2, y2);
968
969 dc.SetAutoSetting(TRUE);
970 wxBrush brush(GetBackgroundColour(), wxSOLID);
971 dc.SetBrush(brush); // FIXME: needed?
972
973 // We'll add rectangles to the list of update rectangles according to which
974 // bits we've exposed.
975 wxList updateRects;
976
977 if (dx > 0)
978 {
979 wxRect *rect = new wxRect;
980 rect->x = x;
981 rect->y = y;
982 rect->width = dx;
983 rect->height = h;
984
985 XFillRectangle(display, window,
986 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
987
988 rect->x = rect->x;
989 rect->y = rect->y;
990 rect->width = rect->width;
991 rect->height = rect->height;
992
993 updateRects.Append((wxObject*) rect);
994 }
995 else if (dx < 0)
996 {
997 wxRect *rect = new wxRect;
998
999 rect->x = x + w + dx;
1000 rect->y = y;
1001 rect->width = -dx;
1002 rect->height = h;
1003
1004 XFillRectangle(display, window,
1005 (GC) dc.GetGC(), rect->x, rect->y, rect->width,
1006 rect->height);
1007
1008 rect->x = rect->x;
1009 rect->y = rect->y;
1010 rect->width = rect->width;
1011 rect->height = rect->height;
1012
1013 updateRects.Append((wxObject*) rect);
1014 }
1015 if (dy > 0)
1016 {
1017 wxRect *rect = new wxRect;
1018
1019 rect->x = x;
1020 rect->y = y;
1021 rect->width = w;
1022 rect->height = dy;
1023
1024 XFillRectangle(display, window,
1025 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1026
1027 rect->x = rect->x;
1028 rect->y = rect->y;
1029 rect->width = rect->width;
1030 rect->height = rect->height;
1031
1032 updateRects.Append((wxObject*) rect);
1033 }
1034 else if (dy < 0)
1035 {
1036 wxRect *rect = new wxRect;
1037
1038 rect->x = x;
1039 rect->y = y + h + dy;
1040 rect->width = w;
1041 rect->height = -dy;
1042
1043 XFillRectangle(display, window,
1044 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1045
1046 rect->x = rect->x;
1047 rect->y = rect->y;
1048 rect->width = rect->width;
1049 rect->height = rect->height;
1050
1051 updateRects.Append((wxObject*) rect);
1052 }
1053 dc.SetBrush(wxNullBrush);
1054
1055 // Now send expose events
1056
1057 wxNode* node = updateRects.First();
1058 while (node)
1059 {
1060 wxRect* rect = (wxRect*) node->Data();
1061 XExposeEvent event;
1062
1063 event.type = Expose;
1064 event.display = display;
1065 event.send_event = True;
1066 event.window = window;
1067
1068 event.x = rect->x;
1069 event.y = rect->y;
1070 event.width = rect->width;
1071 event.height = rect->height;
1072
1073 event.count = 0;
1074
1075 XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
1076
1077 node = node->Next();
1078
1079 }
1080
1081 // Delete the update rects
1082 node = updateRects.First();
1083 while (node)
1084 {
1085 wxRect* rect = (wxRect*) node->Data();
1086 delete rect;
1087 node = node->Next();
1088 }
1089
1090 XmUpdateDisplay((Widget) GetMainWidget());
1091}
1092
1093// ---------------------------------------------------------------------------
1094// drag and drop
1095// ---------------------------------------------------------------------------
1096
1097#if wxUSE_DRAG_AND_DROP
1098
1099void wxWindow::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
1100{
1101 // TODO
1102}
1103
1104#endif
1105
1106// Old style file-manager drag&drop
1107void wxWindow::DragAcceptFiles(bool WXUNUSED(accept))
1108{
1109 // TODO
1110}
1111
1112// ----------------------------------------------------------------------------
1113// tooltips
1114// ----------------------------------------------------------------------------
1115
1116#if wxUSE_TOOLTIPS
1117
1118void wxWindow::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
1119{
1120 // TODO
1121}
1122
1123#endif // wxUSE_TOOLTIPS
1124
1125// ----------------------------------------------------------------------------
1126// popup menus
1127// ----------------------------------------------------------------------------
1128
1129bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
1130{
1131 Widget widget = (Widget) GetMainWidget();
1132
1133 /* The menuId field seems to be usused, so we'll use it to
1134 indicate whether a menu is popped up or not:
1135 0: Not currently created as a popup
1136 -1: Created as a popup, but not active
1137 1: Active popup.
1138 */
1139
1140 if (menu->GetParent() && (menu->GetId() != -1))
1141 return FALSE;
1142
1143 if (menu->GetMainWidget()) {
1144 menu->DestroyMenu(TRUE);
1145 }
1146
1147 menu->SetId(1); /* Mark as popped-up */
1148 menu->CreateMenu(NULL, widget, menu);
1149 menu->SetInvokingWindow(this);
1150
1151 menu->UpdateUI();
1152
1153 // menu->SetParent(parent);
1154 // parent->children->Append(menu); // Store menu for later deletion
1155
1156 Widget menuWidget = (Widget) menu->GetMainWidget();
1157
1158 int rootX = 0;
1159 int rootY = 0;
1160
1161 int deviceX = x;
1162 int deviceY = y;
1163 /*
1164 if (this->IsKindOf(CLASSINFO(wxCanvas)))
1165 {
1166 wxCanvas *canvas = (wxCanvas *) this;
1167 deviceX = canvas->GetDC ()->LogicalToDeviceX (x);
1168 deviceY = canvas->GetDC ()->LogicalToDeviceY (y);
1169 }
1170 */
1171
1172 Display *display = XtDisplay (widget);
1173 Window rootWindow = RootWindowOfScreen (XtScreen((Widget)widget));
1174 Window thisWindow = XtWindow (widget);
1175 Window childWindow;
1176 XTranslateCoordinates (display, thisWindow, rootWindow, (int) deviceX, (int) deviceY,
1177 &rootX, &rootY, &childWindow);
1178
1179 XButtonPressedEvent event;
1180 event.type = ButtonPress;
1181 event.button = 1;
1182
1183 event.x = deviceX;
1184 event.y = deviceY;
1185
1186 event.x_root = rootX;
1187 event.y_root = rootY;
1188
1189 XmMenuPosition (menuWidget, &event);
1190 XtManageChild (menuWidget);
1191
1192 XEvent x_event;
1193 // The ID of a pop-up menu is 1 when active, and is set to 0 by the
1194 // idle-time destroy routine.
1195 // Waiting until this ID changes causes this function to block until
1196 // the menu has been dismissed and the widgets cleaned up.
1197 // In other words, once this routine returns, it is safe to delete
1198 // the menu object.
1199 // Ian Brown <ian.brown@printsoft.de>
1200 while (menu->GetId() == 1)
1201 {
1202 XtAppNextEvent( (XtAppContext) wxTheApp->GetAppContext(), &x_event);
1203
1204 wxTheApp->ProcessXEvent((WXEvent*) & x_event);
1205
1206 if (XtAppPending( (XtAppContext) wxTheApp->GetAppContext() ) == 0)
1207 {
1208 if (!wxTheApp->ProcessIdle())
1209 {
1210#if wxUSE_THREADS
1211 // leave the main loop to give other threads a chance to
1212 // perform their GUI work
1213 wxMutexGuiLeave();
1214 wxUsleep(20);
1215 wxMutexGuiEnter();
1216#endif
1217 }
1218 }
1219 }
1220 return TRUE;
1221}
1222
1223// ---------------------------------------------------------------------------
1224// moving and resizing
1225// ---------------------------------------------------------------------------
1226
1227bool wxWindow::PreResize()
1228{
1229 return TRUE;
1230}
1231
1232// Get total size
1233void wxWindow::DoGetSize(int *x, int *y) const
1234{
1235 if (m_drawingArea)
1236 {
1237 CanvasGetSize(x, y);
1238 return;
1239 }
1240
1241 Widget widget = (Widget) GetTopWidget();
1242 Dimension xx, yy;
1243 XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1244 if(x) *x = xx; if(y) *y = yy;
1245}
1246
1247void wxWindow::DoGetPosition(int *x, int *y) const
1248{
1249 if (m_drawingArea)
1250 {
1251 CanvasGetPosition(x, y);
1252 return;
1253 }
1254 Widget widget = (Widget) GetTopWidget();
1255 Position xx, yy;
1256 XtVaGetValues(widget, XmNx, &xx, XmNy, &yy, NULL);
1257
1258 // We may be faking the client origin. So a window that's really at (0, 30)
1259 // may appear (to wxWin apps) to be at (0, 0).
1260 if (GetParent())
1261 {
1262 wxPoint pt(GetParent()->GetClientAreaOrigin());
1263 xx -= pt.x;
1264 yy -= pt.y;
1265 }
1266
1267 if(x) *x = xx; if(y) *y = yy;
1268}
1269
1270void wxWindow::DoScreenToClient(int *x, int *y) const
1271{
1272 Widget widget = (Widget) GetClientWidget();
1273 Display *display = XtDisplay((Widget) GetMainWidget());
1274 Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1275 Window thisWindow = XtWindow(widget);
1276
1277 Window childWindow;
1278 int xx = *x;
1279 int yy = *y;
1280 XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
1281}
1282
1283void wxWindow::DoClientToScreen(int *x, int *y) const
1284{
1285 Widget widget = (Widget) GetClientWidget();
1286 Display *display = XtDisplay(widget);
1287 Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1288 Window thisWindow = XtWindow(widget);
1289
1290 Window childWindow;
1291 int xx = *x;
1292 int yy = *y;
1293 XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
1294}
1295
1296
1297// Get size *available for subwindows* i.e. excluding menu bar etc.
1298void wxWindow::DoGetClientSize(int *x, int *y) const
1299{
1300 Widget widget = (Widget) GetClientWidget();
1301 Dimension xx, yy;
1302 XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1303 if(x) *x = xx; if(y) *y = yy;
1304}
1305
1306void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1307{
1308 // A bit of optimization to help sort out the flickers.
1309 int oldX, oldY, oldW, oldH;
1310 GetSize(& oldW, & oldH);
1311 GetPosition(& oldX, & oldY);
1312
1313 if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1314 {
1315 if ( x == -1 )
1316 x = oldX;
1317 if ( y == -1 )
1318 y = oldY;
1319 }
1320
1321 if ( width == -1 )
1322 width = oldW;
1323 if ( height == -1 )
1324 height = oldH;
1325
1326 bool nothingChanged = (x == oldX) && (y == oldY) &&
1327 (width == oldW) && (height == oldH);
1328
1329 if (!wxNoOptimize::CanOptimize())
1330 {
1331 nothingChanged = FALSE;
1332 }
1333
1334 if ( !nothingChanged )
1335 {
1336 if (m_drawingArea)
1337 {
1338 CanvasSetSize(x, y, width, height, sizeFlags);
1339 return;
1340 }
1341
1342 Widget widget = (Widget) GetTopWidget();
1343 if (!widget)
1344 return;
1345
1346 bool managed = XtIsManaged( widget );
1347 if (managed)
1348 XtUnmanageChild(widget);
1349
1350 int xx = x;
1351 int yy = y;
1352 AdjustForParentClientOrigin(xx, yy, sizeFlags);
1353
1354 DoMoveWindow(xx, yy, width, height);
1355
1356 if (managed)
1357 XtManageChild(widget);
1358
1359 // How about this bit. Maybe we don't need to generate size events
1360 // all the time -- they'll be generated when the window is sized anyway.
1361#if 0
1362 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1363 sizeEvent.SetEventObject(this);
1364
1365 GetEventHandler()->ProcessEvent(sizeEvent);
1366#endif // 0
1367 }
1368}
1369
1370void wxWindow::DoSetClientSize(int width, int height)
1371{
1372 if (m_drawingArea)
1373 {
1374 CanvasSetClientSize(width, height);
1375 return;
1376 }
1377
1378 Widget widget = (Widget) GetTopWidget();
1379
1380 if (width > -1)
1381 XtVaSetValues(widget, XmNwidth, width, NULL);
1382 if (height > -1)
1383 XtVaSetValues(widget, XmNheight, height, NULL);
1384
1385 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1386 sizeEvent.SetEventObject(this);
1387
1388 GetEventHandler()->ProcessEvent(sizeEvent);
1389}
1390
1391// For implementation purposes - sometimes decorations make the client area
1392// smaller
1393wxPoint wxWindow::GetClientAreaOrigin() const
1394{
1395 return wxPoint(0, 0);
1396}
1397
1398void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
1399{
1400 m_minWidth = minW;
1401 m_minHeight = minH;
1402 m_maxWidth = maxW;
1403 m_maxHeight = maxH;
1404
1405 wxFrame *frame = wxDynamicCast(this, wxFrame);
1406 if ( !frame )
1407 {
1408 // TODO what about dialogs?
1409 return;
1410 }
1411
1412 Widget widget = (Widget) frame->GetShellWidget();
1413
1414 if (minW > -1)
1415 XtVaSetValues(widget, XmNminWidth, minW, NULL);
1416 if (minH > -1)
1417 XtVaSetValues(widget, XmNminHeight, minH, NULL);
1418 if (maxW > -1)
1419 XtVaSetValues(widget, XmNmaxWidth, maxW, NULL);
1420 if (maxH > -1)
1421 XtVaSetValues(widget, XmNmaxHeight, maxH, NULL);
1422 if (incW > -1)
1423 XtVaSetValues(widget, XmNwidthInc, incW, NULL);
1424 if (incH > -1)
1425 XtVaSetValues(widget, XmNheightInc, incH, NULL);
1426}
1427
1428void wxWindow::DoMoveWindow(int x, int y, int width, int height)
1429{
1430 XtVaSetValues((Widget)GetTopWidget(),
1431 XmNx, x,
1432 XmNy, y,
1433 XmNwidth, width,
1434 XmNheight, height,
1435 NULL);
1436}
1437
1438// ---------------------------------------------------------------------------
1439// text metrics
1440// ---------------------------------------------------------------------------
1441
1442int wxWindow::GetCharHeight() const
1443{
1444 wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1445
1446 WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1447
1448 int direction, ascent, descent;
1449 XCharStruct overall;
1450 XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1451 &descent, &overall);
1452
1453 // return (overall.ascent + overall.descent);
1454 return (ascent + descent);
1455}
1456
1457int wxWindow::GetCharWidth() const
1458{
1459 wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1460
1461 WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1462
1463 int direction, ascent, descent;
1464 XCharStruct overall;
1465 XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1466 &descent, &overall);
1467
1468 return overall.width;
1469}
1470
1471void wxWindow::GetTextExtent(const wxString& string,
1472 int *x, int *y,
1473 int *descent, int *externalLeading,
1474 const wxFont *theFont) const
1475{
1476 wxFont *fontToUse = (wxFont *)theFont;
1477 if (!fontToUse)
1478 fontToUse = (wxFont *) & m_font;
1479
1480 wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
1481
1482 WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
1483
1484 int direction, ascent, descent2;
1485 XCharStruct overall;
1486 int slen = string.Len();
1487
1488#if 0
1489 if (use16)
1490 XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
1491 &ascent, &descent2, &overall);
1492#endif
1493
1494 XTextExtents((XFontStruct*) pFontStruct, string, slen,
1495 &direction, &ascent, &descent2, &overall);
1496
1497 if ( x )
1498 *x = (overall.width);
1499 if ( y )
1500 *y = (ascent + descent2);
1501 if (descent)
1502 *descent = descent2;
1503 if (externalLeading)
1504 *externalLeading = 0;
1505
1506}
1507
1508// ----------------------------------------------------------------------------
1509// painting
1510// ----------------------------------------------------------------------------
1511
1512void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
1513{
1514 m_needsRefresh = TRUE;
1515 Display *display = XtDisplay((Widget) GetMainWidget());
1516 Window thisWindow = XtWindow((Widget) GetMainWidget());
1517
1518 XExposeEvent dummyEvent;
1519 int width, height;
1520 GetSize(&width, &height);
1521
1522 dummyEvent.type = Expose;
1523 dummyEvent.display = display;
1524 dummyEvent.send_event = True;
1525 dummyEvent.window = thisWindow;
1526 if (rect)
1527 {
1528 dummyEvent.x = rect->x;
1529 dummyEvent.y = rect->y;
1530 dummyEvent.width = rect->width;
1531 dummyEvent.height = rect->height;
1532 }
1533 else
1534 {
1535 dummyEvent.x = 0;
1536 dummyEvent.y = 0;
1537 dummyEvent.width = width;
1538 dummyEvent.height = height;
1539 }
1540 dummyEvent.count = 0;
1541
1542 if (eraseBack)
1543 {
1544 wxClientDC dc(this);
1545 wxBrush backgroundBrush(GetBackgroundColour(), wxSOLID);
1546 dc.SetBackground(backgroundBrush);
1547 if (rect)
1548 dc.Clear(*rect);
1549 else
1550 dc.Clear();
1551 }
1552
1553 XSendEvent(display, thisWindow, False, ExposureMask, (XEvent *)&dummyEvent);
1554}
1555
1556void wxWindow::Clear()
1557{
1558 wxClientDC dc(this);
1559 wxBrush brush(GetBackgroundColour(), wxSOLID);
1560 dc.SetBackground(brush);
1561 dc.Clear();
1562}
1563
1564void wxWindow::ClearUpdateRects()
1565{
1566 wxRectList::Node* node = m_updateRects.GetFirst();
1567 while (node)
1568 {
1569 wxRect* rect = node->GetData();
1570 delete rect;
1571 node = node->GetNext();
1572 }
1573
1574 m_updateRects.Clear();
1575}
1576
1577void wxWindow::DoPaint()
1578{
1579 //TODO : make a temporary gc so we can do the XCopyArea below
1580 if (m_backingPixmap && !m_needsRefresh)
1581 {
1582 wxPaintDC dc(this);
1583
1584 GC tempGC = (GC) dc.GetBackingGC();
1585
1586 Widget widget = (Widget) GetMainWidget();
1587
1588 int scrollPosX = 0;
1589 int scrollPosY = 0;
1590
1591 // We have to test whether it's a wxScrolledWindow (hack!) because
1592 // otherwise we don't know how many pixels have been scrolled. We might
1593 // solve this in the future by defining virtual wxWindow functions to get
1594 // the scroll position in pixels. Or, each kind of scrolled window has to
1595 // implement backing stores itself, using generic wxWindows code.
1596 wxScrolledWindow* scrolledWindow = wxDynamicCast(this, wxScrolledWindow);
1597 if ( scrolledWindow )
1598 {
1599 int x, y;
1600 scrolledWindow->CalcScrolledPosition(0, 0, &x, &y);
1601
1602 scrollPosX = - x;
1603 scrollPosY = - y;
1604 }
1605
1606 // TODO: This could be optimized further by only copying the areas in the
1607 // current update region.
1608
1609 // Only blit the part visible in the client area. The backing pixmap
1610 // always starts at 0, 0 but we may be looking at only a portion of it.
1611 wxSize clientArea = GetClientSize();
1612 int toBlitX = m_pixmapWidth - scrollPosX;
1613 int toBlitY = m_pixmapHeight - scrollPosY;
1614
1615 // Copy whichever is samller, the amount of pixmap we have to copy,
1616 // or the size of the client area.
1617 toBlitX = wxMin(toBlitX, clientArea.x);
1618 toBlitY = wxMin(toBlitY, clientArea.y);
1619
1620 // Make sure we're not negative
1621 toBlitX = wxMax(0, toBlitX);
1622 toBlitY = wxMax(0, toBlitY);
1623
1624 XCopyArea
1625 (
1626 XtDisplay(widget),
1627 (Pixmap) m_backingPixmap,
1628 XtWindow (widget),
1629 tempGC,
1630 scrollPosX, scrollPosY, // Start at the scroll position
1631 toBlitX, toBlitY, // How much of the pixmap to copy
1632 0, 0 // Destination
1633 );
1634 }
1635 else
1636 {
1637 // Set an erase event first
1638 wxEraseEvent eraseEvent(GetId());
1639 eraseEvent.SetEventObject(this);
1640 GetEventHandler()->ProcessEvent(eraseEvent);
1641
1642 wxPaintEvent event(GetId());
1643 event.SetEventObject(this);
1644 GetEventHandler()->ProcessEvent(event);
1645
1646 m_needsRefresh = FALSE;
1647 }
1648}
1649
1650// ----------------------------------------------------------------------------
1651// event handlers
1652// ----------------------------------------------------------------------------
1653
1654// Responds to colour changes: passes event on to children.
1655void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
1656{
1657 wxWindowList::Node *node = GetChildren().GetFirst();
1658 while ( node )
1659 {
1660 // Only propagate to non-top-level windows
1661 wxWindow *win = node->GetData();
1662 if ( win->GetParent() )
1663 {
1664 wxSysColourChangedEvent event2;
1665 event.m_eventObject = win;
1666 win->GetEventHandler()->ProcessEvent(event2);
1667 }
1668
1669 node = node->GetNext();
1670 }
1671}
1672
1673void wxWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
1674{
1675 // This calls the UI-update mechanism (querying windows for
1676 // menu/toolbar/control state information)
1677 UpdateWindowUI();
1678}
1679
1680// ----------------------------------------------------------------------------
1681// accelerators
1682// ----------------------------------------------------------------------------
1683
1684bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
1685{
1686 if (!m_acceleratorTable.Ok())
1687 return FALSE;
1688
1689 int count = m_acceleratorTable.GetCount();
1690 wxAcceleratorEntry* entries = m_acceleratorTable.GetEntries();
1691 int i;
1692 for (i = 0; i < count; i++)
1693 {
1694 wxAcceleratorEntry* entry = & (entries[i]);
1695 if (entry->MatchesEvent(event))
1696 {
1697 // Bingo, we have a match. Now find a control that matches the
1698 // entry command id.
1699
1700 // Need to go up to the top of the window hierarchy, since it might
1701 // be e.g. a menu item
1702 wxWindow* parent = this;
1703 while ( parent && !parent->IsTopLevel() )
1704 parent = parent->GetParent();
1705
1706 if (!parent)
1707 return FALSE;
1708
1709 wxFrame* frame = wxDynamicCast(parent, wxFrame);
1710 if ( frame )
1711 {
1712 // Try for a menu command
1713 if (frame->GetMenuBar())
1714 {
1715 wxMenuItem* item = frame->GetMenuBar()->FindItem(entry->GetCommand());
1716 if (item)
1717 {
1718 wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, entry->GetCommand());
1719 commandEvent.SetEventObject(frame);
1720
1721 // If ProcessEvent returns TRUE (it was handled), then
1722 // the calling code will skip the event handling.
1723 return frame->GetEventHandler()->ProcessEvent(commandEvent);
1724 }
1725 }
1726 }
1727
1728 // Find a child matching the command id
1729 wxWindow* child = parent->FindWindow(entry->GetCommand());
1730
1731 // No such child
1732 if (!child)
1733 return FALSE;
1734
1735 // Now we process those kinds of windows that we can.
1736 // For now, only buttons.
1737 if ( wxDynamicCast(child, wxButton) )
1738 {
1739 wxCommandEvent commandEvent (wxEVT_COMMAND_BUTTON_CLICKED, child->GetId());
1740 commandEvent.SetEventObject(child);
1741 return child->GetEventHandler()->ProcessEvent(commandEvent);
1742 }
1743
1744 return FALSE;
1745 } // matches event
1746 }// for
1747
1748 // We didn't match the key event against an accelerator.
1749 return FALSE;
1750}
1751
1752// ============================================================================
1753// Motif-specific stuff from here on
1754// ============================================================================
1755
1756// ----------------------------------------------------------------------------
1757// function which maintain the global hash table mapping Widgets to wxWindows
1758// ----------------------------------------------------------------------------
1759
1760bool wxAddWindowToTable(Widget w, wxWindow *win)
1761{
1762 wxWindow *oldItem = NULL;
1763 if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1764 {
1765 wxLogDebug("Widget table clash: new widget is %ld, %s",
1766 (long)w, win->GetClassInfo()->GetClassName());
1767 return FALSE;
1768 }
1769
1770 wxWidgetHashTable->Put((long) w, win);
1771
1772 wxLogTrace("widget", "Widget 0x%08x <-> window %p (%s)",
1773 w, win, win->GetClassInfo()->GetClassName());
1774
1775 return TRUE;
1776}
1777
1778wxWindow *wxGetWindowFromTable(Widget w)
1779{
1780 return (wxWindow *)wxWidgetHashTable->Get((long) w);
1781}
1782
1783void wxDeleteWindowFromTable(Widget w)
1784{
1785 wxWidgetHashTable->Delete((long)w);
1786}
1787
1788// ----------------------------------------------------------------------------
1789// add/remove window from the table
1790// ----------------------------------------------------------------------------
1791
1792// Add to hash table, add event handler
1793bool wxWindow::AttachWidget (wxWindow* WXUNUSED(parent), WXWidget mainWidget,
1794 WXWidget formWidget, int x, int y, int width, int height)
1795{
1796 wxAddWindowToTable((Widget) mainWidget, this);
1797 if (CanAddEventHandler())
1798 {
1799 XtAddEventHandler((Widget) mainWidget,
1800 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1801 False,
1802 wxPanelItemEventHandler,
1803 (XtPointer) this);
1804 }
1805
1806 if (!formWidget)
1807 {
1808 XtTranslations ptr;
1809 XtOverrideTranslations ((Widget) mainWidget,
1810 ptr = XtParseTranslationTable ("<Configure>: resize()"));
1811 XtFree ((char *) ptr);
1812 }
1813
1814 // Some widgets have a parent form widget, e.g. wxRadioBox
1815 if (formWidget)
1816 {
1817 if (!wxAddWindowToTable((Widget) formWidget, this))
1818 return FALSE;
1819
1820 XtTranslations ptr;
1821 XtOverrideTranslations ((Widget) formWidget,
1822 ptr = XtParseTranslationTable ("<Configure>: resize()"));
1823 XtFree ((char *) ptr);
1824 }
1825
1826 if (x == -1)
1827 x = 0;
1828 if (y == -1)
1829 y = 0;
1830 SetSize (x, y, width, height);
1831
1832 return TRUE;
1833}
1834
1835// Remove event handler, remove from hash table
1836bool wxWindow::DetachWidget(WXWidget widget)
1837{
1838 if (CanAddEventHandler())
1839 {
1840 XtRemoveEventHandler((Widget) widget,
1841 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1842 False,
1843 wxPanelItemEventHandler,
1844 (XtPointer)this);
1845 }
1846
1847 wxDeleteWindowFromTable((Widget) widget);
1848 return TRUE;
1849}
1850
1851// ----------------------------------------------------------------------------
1852// Motif-specific accessors
1853// ----------------------------------------------------------------------------
1854
1855// Get the underlying X window
1856WXWindow wxWindow::GetXWindow() const
1857{
1858 Widget wMain = (Widget)GetMainWidget();
1859 if ( wMain )
1860 return (WXWindow) XtWindow(wMain);
1861 else
1862 return (WXWindow) 0;
1863}
1864
1865// Get the underlying X display
1866WXDisplay *wxWindow::GetXDisplay() const
1867{
1868 Widget wMain = (Widget)GetMainWidget();
1869 if ( wMain )
1870 return (WXDisplay*) XtDisplay(wMain);
1871 else
1872 return (WXDisplay*) NULL;
1873}
1874
1875WXWidget wxWindow::GetMainWidget() const
1876{
1877 if (m_drawingArea)
1878 return m_drawingArea;
1879 else
1880 return m_mainWidget;
1881}
1882
1883WXWidget wxWindow::GetClientWidget() const
1884{
1885 if (m_drawingArea != (WXWidget) 0)
1886 return m_drawingArea;
1887 else
1888 return GetMainWidget();
1889}
1890
1891WXWidget wxWindow::GetTopWidget() const
1892{
1893 return GetMainWidget();
1894}
1895
1896WXWidget wxWindow::GetLabelWidget() const
1897{
1898 return GetMainWidget();
1899}
1900
1901// ----------------------------------------------------------------------------
1902// Motif callbacks
1903// ----------------------------------------------------------------------------
1904
1905// All widgets should have this as their resize proc.
1906// OnSize sent to wxWindow via client data.
1907void wxWidgetResizeProc(Widget w, XConfigureEvent *WXUNUSED(event), String WXUNUSED(args)[], int *WXUNUSED(num_args))
1908{
1909 wxWindow *win = wxGetWindowFromTable(w);
1910 if (!win)
1911 return;
1912
1913 if (win->PreResize())
1914 {
1915 int width, height;
1916 win->GetSize(&width, &height);
1917 wxSizeEvent sizeEvent(wxSize(width, height), win->GetId());
1918 sizeEvent.SetEventObject(win);
1919 win->GetEventHandler()->ProcessEvent(sizeEvent);
1920 }
1921}
1922
1923static void wxCanvasRepaintProc(Widget drawingArea,
1924 XtPointer clientData,
1925 XmDrawingAreaCallbackStruct * cbs)
1926{
1927 if (!wxGetWindowFromTable(drawingArea))
1928 return;
1929
1930 XEvent * event = cbs->event;
1931 wxWindow * win = (wxWindow *) clientData;
1932
1933 switch (event->type)
1934 {
1935 case Expose:
1936 {
1937 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
1938 event->xexpose.width, event->xexpose.height);
1939
1940 if (event -> xexpose.count == 0)
1941 {
1942 win->DoPaint();
1943 win->ClearUpdateRects();
1944 }
1945 break;
1946 }
1947 }
1948}
1949
1950// Unable to deal with Enter/Leave without a separate EventHandler (Motif 1.1.4)
1951static void wxCanvasEnterLeave(Widget drawingArea,
1952 XtPointer WXUNUSED(clientData),
1953 XCrossingEvent * event)
1954{
1955 XmDrawingAreaCallbackStruct cbs;
1956 XEvent ev;
1957
1958 ((XCrossingEvent &) ev) = *event;
1959
1960 cbs.reason = XmCR_INPUT;
1961 cbs.event = &ev;
1962
1963 wxCanvasInputEvent(drawingArea, (XtPointer) NULL, &cbs);
1964}
1965
1966// Fix to make it work under Motif 1.0 (!)
1967static void wxCanvasMotionEvent (Widget WXUNUSED(drawingArea), XButtonEvent * WXUNUSED(event))
1968{
1969#if XmVersion <= 1000
1970 XmDrawingAreaCallbackStruct cbs;
1971 XEvent ev;
1972
1973 ev = *((XEvent *) event);
1974 cbs.reason = XmCR_INPUT;
1975 cbs.event = &ev;
1976
1977 wxCanvasInputEvent (drawingArea, (XtPointer) NULL, &cbs);
1978#endif // XmVersion <= 1000
1979}
1980
1981static void wxCanvasInputEvent(Widget drawingArea,
1982 XtPointer WXUNUSED(data),
1983 XmDrawingAreaCallbackStruct * cbs)
1984{
1985 wxWindow *canvas = wxGetWindowFromTable(drawingArea);
1986 XEvent local_event;
1987
1988 if (canvas==NULL)
1989 return;
1990
1991 if (cbs->reason != XmCR_INPUT)
1992 return;
1993
1994 local_event = *(cbs->event); // We must keep a copy!
1995
1996 switch (local_event.xany.type)
1997 {
1998 case EnterNotify:
1999 case LeaveNotify:
2000 case ButtonPress:
2001 case ButtonRelease:
2002 case MotionNotify:
2003 {
2004 // FIXME: most of this mouse event code is more or less
2005 // duplicated in wxTranslateMouseEvent
2006 //
2007 wxEventType eventType = wxEVT_NULL;
2008
2009 if (local_event.xany.type == EnterNotify)
2010 {
2011 //if (local_event.xcrossing.mode!=NotifyNormal)
2012 // return ; // Ignore grab events
2013 eventType = wxEVT_ENTER_WINDOW;
2014 // canvas->GetEventHandler()->OnSetFocus();
2015 }
2016 else if (local_event.xany.type == LeaveNotify)
2017 {
2018 //if (local_event.xcrossingr.mode!=NotifyNormal)
2019 // return ; // Ignore grab events
2020 eventType = wxEVT_LEAVE_WINDOW;
2021 // canvas->GetEventHandler()->OnKillFocus();
2022 }
2023 else if (local_event.xany.type == MotionNotify)
2024 {
2025 eventType = wxEVT_MOTION;
2026 }
2027
2028 else if (local_event.xany.type == ButtonPress)
2029 {
2030 if (local_event.xbutton.button == Button1)
2031 {
2032 eventType = wxEVT_LEFT_DOWN;
2033 canvas->SetButton1(TRUE);
2034 }
2035 else if (local_event.xbutton.button == Button2)
2036 {
2037 eventType = wxEVT_MIDDLE_DOWN;
2038 canvas->SetButton2(TRUE);
2039 }
2040 else if (local_event.xbutton.button == Button3)
2041 {
2042 eventType = wxEVT_RIGHT_DOWN;
2043 canvas->SetButton3(TRUE);
2044 }
2045 }
2046 else if (local_event.xany.type == ButtonRelease)
2047 {
2048 if (local_event.xbutton.button == Button1)
2049 {
2050 eventType = wxEVT_LEFT_UP;
2051 canvas->SetButton1(FALSE);
2052 }
2053 else if (local_event.xbutton.button == Button2)
2054 {
2055 eventType = wxEVT_MIDDLE_UP;
2056 canvas->SetButton2(FALSE);
2057 }
2058 else if (local_event.xbutton.button == Button3)
2059 {
2060 eventType = wxEVT_RIGHT_UP;
2061 canvas->SetButton3(FALSE);
2062 }
2063 }
2064
2065 wxMouseEvent wxevent (eventType);
2066
2067 wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2068 || (event_left_is_down (&local_event)
2069 && (eventType != wxEVT_LEFT_UP)));
2070 wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2071 || (event_middle_is_down (&local_event)
2072 && (eventType != wxEVT_MIDDLE_UP)));
2073 wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2074 || (event_right_is_down (&local_event)
2075 && (eventType != wxEVT_RIGHT_UP)));
2076
2077 wxevent.m_shiftDown = local_event.xbutton.state & ShiftMask;
2078 wxevent.m_controlDown = local_event.xbutton.state & ControlMask;
2079 wxevent.m_altDown = local_event.xbutton.state & Mod3Mask;
2080 wxevent.m_metaDown = local_event.xbutton.state & Mod1Mask;
2081 wxevent.SetTimestamp(local_event.xbutton.time);
2082
2083 if ( eventType == wxEVT_MOTION )
2084 {
2085 if (local_event.xmotion.is_hint == NotifyHint)
2086 {
2087 Window root, child;
2088 Display *dpy = XtDisplay (drawingArea);
2089
2090 XQueryPointer (dpy, XtWindow (drawingArea),
2091 &root, &child,
2092 &local_event.xmotion.x_root,
2093 &local_event.xmotion.y_root,
2094 &local_event.xmotion.x,
2095 &local_event.xmotion.y,
2096 &local_event.xmotion.state);
2097 }
2098 else
2099 {
2100 }
2101 }
2102
2103 // Now check if we need to translate this event into a double click
2104 if (TRUE) // canvas->doubleClickAllowed)
2105 {
2106 if (wxevent.ButtonDown())
2107 {
2108 long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2109
2110 // get button and time-stamp
2111 int button = 0;
2112 if (wxevent.LeftDown())
2113 button = 1;
2114 else if (wxevent.MiddleDown())
2115 button = 2;
2116 else if (wxevent.RightDown())
2117 button = 3;
2118 long ts = wxevent.GetTimestamp();
2119
2120 // check, if single or double click
2121 int buttonLast = canvas->GetLastClickedButton();
2122 long lastTS = canvas->GetLastClickTime();
2123 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2124 {
2125 // I have a dclick
2126 canvas->SetLastClick(0, ts);
2127
2128 wxEventType typeDouble;
2129 if ( eventType == wxEVT_LEFT_DOWN )
2130 typeDouble = wxEVT_LEFT_DCLICK;
2131 else if ( eventType == wxEVT_MIDDLE_DOWN )
2132 typeDouble = wxEVT_MIDDLE_DCLICK;
2133 else if ( eventType == wxEVT_RIGHT_DOWN )
2134 typeDouble = wxEVT_RIGHT_DCLICK;
2135 else
2136 typeDouble = wxEVT_NULL;
2137
2138 if ( typeDouble != wxEVT_NULL )
2139 {
2140 wxevent.SetEventType(typeDouble);
2141 }
2142 }
2143 else
2144 {
2145 // not fast enough or different button
2146 canvas->SetLastClick(button, ts);
2147 }
2148 }
2149 }
2150
2151 wxevent.SetId(canvas->GetId());
2152 wxevent.SetEventObject(canvas);
2153 wxevent.m_x = local_event.xbutton.x;
2154 wxevent.m_y = local_event.xbutton.y;
2155 canvas->GetEventHandler()->ProcessEvent (wxevent);
2156#if 0
2157 if (eventType == wxEVT_ENTER_WINDOW ||
2158 eventType == wxEVT_LEAVE_WINDOW ||
2159 eventType == wxEVT_MOTION
2160 )
2161 return;
2162#endif // 0
2163 break;
2164 }
2165 case KeyPress:
2166 {
2167 KeySym keySym;
2168 static char buf[100];
2169#if 0
2170 XComposeStatus compose;
2171 (void) XLookupString ((XKeyEvent *) & local_event, buf, 20, &keySym, &compose);
2172#endif // 0
2173
2174 (void) XLookupString ((XKeyEvent *) & local_event, buf, 20, &keySym, NULL);
2175 int id = wxCharCodeXToWX (keySym);
2176
2177 wxEventType eventType = wxEVT_CHAR;
2178
2179 wxKeyEvent event (eventType);
2180
2181 if (local_event.xkey.state & ShiftMask)
2182 event.m_shiftDown = TRUE;
2183 if (local_event.xkey.state & ControlMask)
2184 event.m_controlDown = TRUE;
2185 if (local_event.xkey.state & Mod3Mask)
2186 event.m_altDown = TRUE;
2187 if (local_event.xkey.state & Mod1Mask)
2188 event.m_metaDown = TRUE;
2189 event.SetEventObject(canvas);
2190 event.m_keyCode = id;
2191 event.SetTimestamp(local_event.xkey.time);
2192
2193 if (id > -1)
2194 {
2195 // Implement wxFrame::OnCharHook by checking ancestor.
2196 wxWindow *parent = canvas->GetParent();
2197 while (parent && !parent->IsKindOf(CLASSINFO(wxFrame)))
2198 parent = parent->GetParent();
2199
2200 if (parent)
2201 {
2202 event.SetEventType(wxEVT_CHAR_HOOK);
2203 if (parent->GetEventHandler()->ProcessEvent(event))
2204 return;
2205 }
2206
2207 // For simplicity, OnKeyDown is the same as OnChar
2208 // TODO: filter modifier key presses from OnChar
2209 event.SetEventType(wxEVT_KEY_DOWN);
2210
2211 // Only process OnChar if OnKeyDown didn't swallow it
2212 if (!canvas->GetEventHandler()->ProcessEvent (event))
2213 {
2214 event.SetEventType(wxEVT_CHAR);
2215 canvas->GetEventHandler()->ProcessEvent (event);
2216 }
2217 }
2218 break;
2219 }
2220 case KeyRelease:
2221 {
2222 static char buf[100];
2223 KeySym keySym;
2224 (void) XLookupString ((XKeyEvent *) & local_event, buf, 20, &keySym, NULL);
2225 int id = wxCharCodeXToWX (keySym);
2226
2227 wxKeyEvent event (wxEVT_KEY_UP);
2228
2229 if (local_event.xkey.state & ShiftMask)
2230 event.m_shiftDown = TRUE;
2231 if (local_event.xkey.state & ControlMask)
2232 event.m_controlDown = TRUE;
2233 if (local_event.xkey.state & Mod3Mask)
2234 event.m_altDown = TRUE;
2235 if (local_event.xkey.state & Mod1Mask)
2236 event.m_metaDown = TRUE;
2237 event.SetEventObject(canvas);
2238 event.m_keyCode = id;
2239 event.SetTimestamp(local_event.xkey.time);
2240
2241 if (id > -1)
2242 {
2243 canvas->GetEventHandler()->ProcessEvent (event);
2244 }
2245 break;
2246 }
2247 case FocusIn:
2248 {
2249 if (local_event.xfocus.detail != NotifyPointer)
2250 {
2251 wxFocusEvent event(wxEVT_SET_FOCUS, canvas->GetId());
2252 event.SetEventObject(canvas);
2253 canvas->GetEventHandler()->ProcessEvent(event);
2254 }
2255 break;
2256 }
2257 case FocusOut:
2258 {
2259 if (local_event.xfocus.detail != NotifyPointer)
2260 {
2261 wxFocusEvent event(wxEVT_KILL_FOCUS, canvas->GetId());
2262 event.SetEventObject(canvas);
2263 canvas->GetEventHandler()->ProcessEvent(event);
2264 }
2265 break;
2266 }
2267 default:
2268 break;
2269 }
2270}
2271
2272static void wxPanelItemEventHandler(Widget wid,
2273 XtPointer WXUNUSED(client_data),
2274 XEvent* event,
2275 Boolean *continueToDispatch)
2276{
2277 // Widget can be a label or the actual widget.
2278
2279 wxWindow *window = wxGetWindowFromTable(wid);
2280 if (window)
2281 {
2282 wxMouseEvent wxevent(0);
2283 if (wxTranslateMouseEvent(wxevent, window, wid, event))
2284 {
2285 window->GetEventHandler()->ProcessEvent(wxevent);
2286 }
2287 }
2288
2289 // TODO: probably the key to allowing default behaviour to happen. Say we
2290 // set a m_doDefault flag to FALSE at the start of this function. Then in
2291 // e.g. wxWindow::OnMouseEvent we can call Default() which sets this flag to
2292 // TRUE, indicating that default processing can happen. Thus, behaviour can
2293 // appear to be overridden just by adding an event handler and not calling
2294 // wxWindow::OnWhatever. ALSO, maybe we can use this instead of the current
2295 // way of handling drawing area events, to simplify things.
2296 *continueToDispatch = True;
2297}
2298
2299static void wxScrollBarCallback(Widget scrollbar,
2300 XtPointer clientData,
2301 XmScrollBarCallbackStruct *cbs)
2302{
2303 wxWindow *win = wxGetWindowFromTable(scrollbar);
2304 int orientation = (int) clientData;
2305
2306 wxEventType eventType = wxEVT_NULL;
2307 switch (cbs->reason)
2308 {
2309 case XmCR_INCREMENT:
2310 {
2311 eventType = wxEVT_SCROLLWIN_LINEDOWN;
2312 break;
2313 }
2314 case XmCR_DECREMENT:
2315 {
2316 eventType = wxEVT_SCROLLWIN_LINEUP;
2317 break;
2318 }
2319 case XmCR_DRAG:
2320 {
2321 eventType = wxEVT_SCROLLWIN_THUMBTRACK;
2322 break;
2323 }
2324 case XmCR_VALUE_CHANGED:
2325 {
2326 eventType = wxEVT_SCROLLWIN_THUMBRELEASE;
2327 break;
2328 }
2329 case XmCR_PAGE_INCREMENT:
2330 {
2331 eventType = wxEVT_SCROLLWIN_PAGEDOWN;
2332 break;
2333 }
2334 case XmCR_PAGE_DECREMENT:
2335 {
2336 eventType = wxEVT_SCROLLWIN_PAGEUP;
2337 break;
2338 }
2339 case XmCR_TO_TOP:
2340 {
2341 eventType = wxEVT_SCROLLWIN_TOP;
2342 break;
2343 }
2344 case XmCR_TO_BOTTOM:
2345 {
2346 eventType = wxEVT_SCROLLWIN_BOTTOM;
2347 break;
2348 }
2349 default:
2350 {
2351 // Should never get here
2352 wxFAIL_MSG("Unknown scroll event.");
2353 break;
2354 }
2355 }
2356
2357 wxScrollWinEvent event(eventType,
2358 cbs->value,
2359 ((orientation == XmHORIZONTAL) ?
2360 wxHORIZONTAL : wxVERTICAL));
2361 event.SetEventObject( win );
2362 win->GetEventHandler()->ProcessEvent(event);
2363}
2364
2365// For repainting arbitrary windows
2366void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *)
2367{
2368 Window window;
2369 Display *display;
2370
2371 wxWindow* win = wxGetWindowFromTable(w);
2372 if (!win)
2373 return;
2374
2375 switch(event -> type)
2376 {
2377 case Expose:
2378 {
2379 window = (Window) win -> GetXWindow();
2380 display = (Display *) win -> GetXDisplay();
2381
2382 if (event -> xexpose.count == 0)
2383 {
2384 win->DoPaint();
2385
2386 win->ClearUpdateRects();
2387 }
2388 else
2389 {
2390 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
2391 event->xexpose.width, event->xexpose.height);
2392 }
2393
2394 break;
2395 }
2396 }
2397}
2398
2399// ----------------------------------------------------------------------------
2400// CanvaseXXXSize() functions
2401// ----------------------------------------------------------------------------
2402
2403// SetSize, but as per old wxCanvas (with drawing widget etc.)
2404void wxWindow::CanvasSetSize (int x, int y, int w, int h, int sizeFlags)
2405{
2406 // A bit of optimization to help sort out the flickers.
2407 int oldX, oldY, oldW, oldH;
2408 GetSize(& oldW, & oldH);
2409 GetPosition(& oldX, & oldY);
2410
2411 bool useOldPos = FALSE;
2412 bool useOldSize = FALSE;
2413
2414 if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
2415 useOldPos = TRUE;
2416 else if (x == oldX && y == oldY)
2417 useOldPos = TRUE;
2418
2419 if ((w == -1) && (h == -1))
2420 useOldSize = TRUE;
2421 else if (w == oldW && h == oldH)
2422 useOldSize = TRUE;
2423
2424 if (!wxNoOptimize::CanOptimize())
2425 {
2426 useOldSize = FALSE; useOldPos = FALSE;
2427 }
2428
2429 if (useOldPos && useOldSize)
2430 return;
2431
2432 Widget drawingArea = (Widget) m_drawingArea;
2433 bool managed = XtIsManaged(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2434
2435 if (managed)
2436 XtUnmanageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2437 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2438
2439 int xx = x; int yy = y;
2440 AdjustForParentClientOrigin(xx, yy, sizeFlags);
2441
2442 if (!useOldPos)
2443 {
2444 if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2445 {
2446 XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2447 XmNx, xx, NULL);
2448 }
2449
2450 if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2451 {
2452 XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2453 XmNy, yy, NULL);
2454 }
2455 }
2456
2457 if (!useOldSize)
2458 {
2459
2460 if (w > -1)
2461 {
2462 if (m_borderWidget)
2463 {
2464 XtVaSetValues ((Widget) m_borderWidget, XmNwidth, w, NULL);
2465 short thick, margin;
2466 XtVaGetValues ((Widget) m_borderWidget,
2467 XmNshadowThickness, &thick,
2468 XmNmarginWidth, &margin,
2469 NULL);
2470 w -= 2 * (thick + margin);
2471 }
2472
2473 XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
2474
2475 Dimension spacing;
2476 Widget sbar;
2477 XtVaGetValues ((Widget) m_scrolledWindow,
2478 XmNspacing, &spacing,
2479 XmNverticalScrollBar, &sbar,
2480 NULL);
2481 Dimension wsbar;
2482 if (sbar)
2483 XtVaGetValues (sbar, XmNwidth, &wsbar, NULL);
2484 else
2485 wsbar = 0;
2486
2487 w -= (spacing + wsbar);
2488
2489#if 0
2490 XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2491#endif // 0
2492 }
2493 if (h > -1)
2494 {
2495 if (m_borderWidget)
2496 {
2497 XtVaSetValues ((Widget) m_borderWidget, XmNheight, h, NULL);
2498 short thick, margin;
2499 XtVaGetValues ((Widget) m_borderWidget,
2500 XmNshadowThickness, &thick,
2501 XmNmarginHeight, &margin,
2502 NULL);
2503 h -= 2 * (thick + margin);
2504 }
2505
2506 XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
2507
2508 Dimension spacing;
2509 Widget sbar;
2510 XtVaGetValues ((Widget) m_scrolledWindow,
2511 XmNspacing, &spacing,
2512 XmNhorizontalScrollBar, &sbar,
2513 NULL);
2514 Dimension wsbar;
2515 if (sbar)
2516 XtVaGetValues (sbar, XmNheight, &wsbar, NULL);
2517 else
2518 wsbar = 0;
2519
2520 h -= (spacing + wsbar);
2521
2522#if 0
2523 XtVaSetValues(drawingArea, XmNheight, h, NULL);
2524#endif // 0
2525 }
2526 }
2527
2528 if (managed)
2529 XtManageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2530 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2531
2532#if 0
2533 int ww, hh;
2534 GetClientSize (&ww, &hh);
2535 wxSizeEvent sizeEvent(wxSize(ww, hh), GetId());
2536 sizeEvent.SetEventObject(this);
2537
2538 GetEventHandler()->ProcessEvent(sizeEvent);
2539#endif // 0
2540}
2541
2542void wxWindow::CanvasSetClientSize (int w, int h)
2543{
2544 Widget drawingArea = (Widget) m_drawingArea;
2545
2546 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2547
2548 if (w > -1)
2549 XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2550 if (h > -1)
2551 XtVaSetValues(drawingArea, XmNheight, h, NULL);
2552
2553#if 0
2554 // TODO: is this necessary?
2555 allowRepainting = FALSE;
2556
2557 XSync (XtDisplay (drawingArea), FALSE);
2558 XEvent event;
2559 while (XtAppPending (wxTheApp->appContext))
2560 {
2561 XFlush (XtDisplay (drawingArea));
2562 XtAppNextEvent (wxTheApp->appContext, &event);
2563 XtDispatchEvent (&event);
2564 }
2565#endif // 0
2566
2567 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2568
2569#if 0
2570 allowRepainting = TRUE;
2571 DoRefresh ();
2572
2573 wxSizeEvent sizeEvent(wxSize(w, h), GetId());
2574 sizeEvent.SetEventObject(this);
2575
2576 GetEventHandler()->ProcessEvent(sizeEvent);
2577#endif // 0
2578}
2579
2580void wxWindow::CanvasGetClientSize (int *w, int *h) const
2581{
2582 // Must return the same thing that was set via SetClientSize
2583 Dimension xx, yy;
2584 XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2585 *w = xx;
2586 *h = yy;
2587}
2588
2589void wxWindow::CanvasGetSize (int *w, int *h) const
2590{
2591 Dimension xx, yy;
2592 if ((Widget) m_borderWidget)
2593 XtVaGetValues ((Widget) m_borderWidget, XmNwidth, &xx, XmNheight, &yy, NULL);
2594 else if ((Widget) m_scrolledWindow)
2595 XtVaGetValues ((Widget) m_scrolledWindow, XmNwidth, &xx, XmNheight, &yy, NULL);
2596 else
2597 XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2598
2599 *w = xx;
2600 *h = yy;
2601}
2602
2603void wxWindow::CanvasGetPosition (int *x, int *y) const
2604{
2605 Position xx, yy;
2606 XtVaGetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow, XmNx, &xx, XmNy, &yy, NULL);
2607
2608 // We may be faking the client origin.
2609 // So a window that's really at (0, 30) may appear
2610 // (to wxWin apps) to be at (0, 0).
2611 if (GetParent())
2612 {
2613 wxPoint pt(GetParent()->GetClientAreaOrigin());
2614 xx -= pt.x;
2615 yy -= pt.y;
2616 }
2617
2618 *x = xx;
2619 *y = yy;
2620}
2621
2622// ----------------------------------------------------------------------------
2623// TranslateXXXEvent() functions
2624// ----------------------------------------------------------------------------
2625
2626bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
2627{
2628 switch (xevent->xany.type)
2629 {
2630 case EnterNotify: // never received here - yes ? MB
2631 case LeaveNotify: // never received here - yes ? MB
2632 case ButtonPress:
2633 case ButtonRelease:
2634 case MotionNotify:
2635 {
2636 wxEventType eventType = wxEVT_NULL;
2637
2638 // FIXME: this is never true I think - MB
2639 //
2640 if (xevent->xany.type == LeaveNotify)
2641 {
2642 win->SetButton1(FALSE);
2643 win->SetButton2(FALSE);
2644 win->SetButton3(FALSE);
2645 return FALSE;
2646 }
2647 else if (xevent->xany.type == MotionNotify)
2648 {
2649 eventType = wxEVT_MOTION;
2650 }
2651 else if (xevent->xany.type == ButtonPress)
2652 {
2653 wxevent.SetTimestamp(xevent->xbutton.time);
2654 int button = 0;
2655 if (xevent->xbutton.button == Button1)
2656 {
2657 eventType = wxEVT_LEFT_DOWN;
2658 win->SetButton1(TRUE);
2659 button = 1;
2660 }
2661 else if (xevent->xbutton.button == Button2)
2662 {
2663 eventType = wxEVT_MIDDLE_DOWN;
2664 win->SetButton2(TRUE);
2665 button = 2;
2666 }
2667 else if (xevent->xbutton.button == Button3)
2668 {
2669 eventType = wxEVT_RIGHT_DOWN;
2670 win->SetButton3(TRUE);
2671 button = 3;
2672 }
2673
2674 // check for a double click
2675 //
2676 long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2677 long ts = wxevent.GetTimestamp();
2678
2679 int buttonLast = win->GetLastClickedButton();
2680 long lastTS = win->GetLastClickTime();
2681 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2682 {
2683 // I have a dclick
2684 win->SetLastClick(0, ts);
2685 if ( eventType == wxEVT_LEFT_DOWN )
2686 eventType = wxEVT_LEFT_DCLICK;
2687 else if ( eventType == wxEVT_MIDDLE_DOWN )
2688 eventType = wxEVT_MIDDLE_DCLICK;
2689 else if ( eventType == wxEVT_RIGHT_DOWN )
2690 eventType = wxEVT_RIGHT_DCLICK;
2691 }
2692 else
2693 {
2694 // not fast enough or different button
2695 win->SetLastClick(button, ts);
2696 }
2697 }
2698 else if (xevent->xany.type == ButtonRelease)
2699 {
2700 if (xevent->xbutton.button == Button1)
2701 {
2702 eventType = wxEVT_LEFT_UP;
2703 win->SetButton1(FALSE);
2704 }
2705 else if (xevent->xbutton.button == Button2)
2706 {
2707 eventType = wxEVT_MIDDLE_UP;
2708 win->SetButton2(FALSE);
2709 }
2710 else if (xevent->xbutton.button == Button3)
2711 {
2712 eventType = wxEVT_RIGHT_UP;
2713 win->SetButton3(FALSE);
2714 }
2715 else return FALSE;
2716 }
2717 else
2718 {
2719 return FALSE;
2720 }
2721
2722 wxevent.SetEventType(eventType);
2723
2724 Position x1, y1;
2725 XtVaGetValues(widget, XmNx, &x1, XmNy, &y1, NULL);
2726
2727 int x2, y2;
2728 win->GetPosition(&x2, &y2);
2729
2730 // The button x/y must be translated to wxWindows
2731 // window space - the widget might be a label or button,
2732 // within a form.
2733 int dx = 0;
2734 int dy = 0;
2735 if (widget != (Widget)win->GetMainWidget())
2736 {
2737 dx = x1;
2738 dy = y1;
2739 }
2740
2741 wxevent.m_x = xevent->xbutton.x + dx;
2742 wxevent.m_y = xevent->xbutton.y + dy;
2743
2744 wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2745 || (event_left_is_down (xevent)
2746 && (eventType != wxEVT_LEFT_UP)));
2747 wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2748 || (event_middle_is_down (xevent)
2749 && (eventType != wxEVT_MIDDLE_UP)));
2750 wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2751 || (event_right_is_down (xevent)
2752 && (eventType != wxEVT_RIGHT_UP)));
2753
2754 wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
2755 wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
2756 wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
2757 wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
2758
2759 wxevent.SetId(win->GetId());
2760 wxevent.SetEventObject(win);
2761
2762 return TRUE;
2763 }
2764 }
2765 return FALSE;
2766}
2767
2768bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget WXUNUSED(widget), XEvent *xevent)
2769{
2770 switch (xevent->xany.type)
2771 {
2772 case KeyPress:
2773 case KeyRelease:
2774 {
2775 char buf[20];
2776
2777 KeySym keySym;
2778#if 0
2779 XComposeStatus compose;
2780 (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, &compose);
2781#endif // 0
2782 (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
2783 int id = wxCharCodeXToWX (keySym);
2784
2785 if (xevent->xkey.state & ShiftMask)
2786 wxevent.m_shiftDown = TRUE;
2787 if (xevent->xkey.state & ControlMask)
2788 wxevent.m_controlDown = TRUE;
2789 if (xevent->xkey.state & Mod3Mask)
2790 wxevent.m_altDown = TRUE;
2791 if (xevent->xkey.state & Mod1Mask)
2792 wxevent.m_metaDown = TRUE;
2793 wxevent.SetEventObject(win);
2794 wxevent.m_keyCode = id;
2795 wxevent.SetTimestamp(xevent->xkey.time);
2796
2797 wxevent.m_x = xevent->xbutton.x;
2798 wxevent.m_y = xevent->xbutton.y;
2799
2800 if (id > -1)
2801 return TRUE;
2802 else
2803 return FALSE;
2804 break;
2805 }
2806 default:
2807 break;
2808 }
2809 return FALSE;
2810}
2811
2812// ----------------------------------------------------------------------------
2813// Colour stuff
2814// ----------------------------------------------------------------------------
2815
2816#define YAllocColor XAllocColor
2817XColor g_itemColors[5];
2818int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
2819{
2820 int result;
2821 static XmColorProc colorProc;
2822
2823 result = wxNO_COLORS;
2824
2825 if (back)
2826 {
2827 g_itemColors[0].red = (((long) back->Red ()) << 8);
2828 g_itemColors[0].green = (((long) back->Green ()) << 8);
2829 g_itemColors[0].blue = (((long) back->Blue ()) << 8);
2830 g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
2831 if (colorProc == (XmColorProc) NULL)
2832 {
2833 // Get a ptr to the actual function
2834 colorProc = XmSetColorCalculation ((XmColorProc) NULL);
2835 // And set it back to motif.
2836 XmSetColorCalculation (colorProc);
2837 }
2838 (*colorProc) (&g_itemColors[wxBACK_INDEX],
2839 &g_itemColors[wxFORE_INDEX],
2840 &g_itemColors[wxSELE_INDEX],
2841 &g_itemColors[wxTOPS_INDEX],
2842 &g_itemColors[wxBOTS_INDEX]);
2843 result = wxBACK_COLORS;
2844 }
2845 if (fore)
2846 {
2847 g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
2848 g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
2849 g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
2850 g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
2851 if (result == wxNO_COLORS)
2852 result = wxFORE_COLORS;
2853 }
2854
2855 Display *dpy = display;
2856 Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
2857
2858 if (back)
2859 {
2860 /* 5 Colours to allocate */
2861 for (int i = 0; i < 5; i++)
2862 if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
2863 result = wxNO_COLORS;
2864 }
2865 else if (fore)
2866 {
2867 /* Only 1 colour to allocate */
2868 if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
2869 result = wxNO_COLORS;
2870 }
2871
2872 return (result);
2873
2874}
2875
2876// Changes the foreground and background colours to be derived from the current
2877// background colour. To change the foreground colour, you must call
2878// SetForegroundColour explicitly.
2879void wxWindow::ChangeBackgroundColour()
2880{
2881 WXWidget mainWidget = GetMainWidget();
2882 if ( mainWidget )
2883 DoChangeBackgroundColour(mainWidget, m_backgroundColour);
2884
2885 // This not necessary
2886#if 0
2887
2888 if (m_scrolledWindow && (GetMainWidget() != m_scrolledWindow))
2889 {
2890 DoChangeBackgroundColour(m_scrolledWindow, m_backgroundColour);
2891 // Have to set the scrollbar colours back since
2892 // the scrolled window seemed to change them
2893 wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
2894
2895 if (m_hScrollBar)
2896 DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
2897 if (m_vScrollBar)
2898 DoChangeBackgroundColour(m_vScrollBar, backgroundColour);
2899 }
2900#endif
2901}
2902
2903void wxWindow::ChangeForegroundColour()
2904{
2905 WXWidget mainWidget = GetMainWidget();
2906 if ( mainWidget )
2907 DoChangeForegroundColour(mainWidget, m_foregroundColour);
2908 if ( m_scrolledWindow && mainWidget != m_scrolledWindow )
2909 DoChangeForegroundColour(m_scrolledWindow, m_foregroundColour);
2910}
2911
2912// Change a widget's foreground and background colours.
2913void wxWindow::DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
2914{
2915 // When should we specify the foreground, if it's calculated
2916 // by wxComputeColours?
2917 // Solution: say we start with the default (computed) foreground colour.
2918 // If we call SetForegroundColour explicitly for a control or window,
2919 // then the foreground is changed.
2920 // Therefore SetBackgroundColour computes the foreground colour, and
2921 // SetForegroundColour changes the foreground colour. The ordering is
2922 // important.
2923
2924 Widget w = (Widget)widget;
2925 XtVaSetValues(
2926 w,
2927 XmNforeground, foregroundColour.AllocColour(XtDisplay(w)),
2928 NULL
2929 );
2930}
2931
2932void wxWindow::DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
2933{
2934 wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
2935 (wxColour*) NULL);
2936
2937 XtVaSetValues ((Widget) widget,
2938 XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
2939 XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
2940 XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
2941 XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
2942 NULL);
2943
2944 if (changeArmColour)
2945 XtVaSetValues ((Widget) widget,
2946 XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
2947 NULL);
2948}
2949
2950bool wxWindow::SetBackgroundColour(const wxColour& col)
2951{
2952 if ( !wxWindowBase::SetBackgroundColour(col) )
2953 return FALSE;
2954
2955 ChangeBackgroundColour();
2956
2957 return TRUE;
2958}
2959
2960bool wxWindow::SetForegroundColour(const wxColour& col)
2961{
2962 if ( !wxWindowBase::SetForegroundColour(col) )
2963 return FALSE;
2964
2965 ChangeForegroundColour();
2966
2967 return TRUE;
2968}
2969
2970void wxWindow::ChangeFont(bool keepOriginalSize)
2971{
2972 // Note that this causes the widget to be resized back
2973 // to its original size! We therefore have to set the size
2974 // back again. TODO: a better way in Motif?
2975 Widget w = (Widget) GetLabelWidget(); // Usually the main widget
2976 if (w && m_font.Ok())
2977 {
2978 int width, height, width1, height1;
2979 GetSize(& width, & height);
2980
2981 // lesstif 0.87 hangs here
2982#ifndef LESSTIF_VERSION
2983 XtVaSetValues (w,
2984 XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay(w)),
2985 NULL);
2986#endif
2987
2988 GetSize(& width1, & height1);
2989 if (keepOriginalSize && (width != width1 || height != height1))
2990 {
2991 SetSize(-1, -1, width, height);
2992 }
2993 }
2994}
2995
2996// ----------------------------------------------------------------------------
2997// global functions
2998// ----------------------------------------------------------------------------
2999
3000wxWindow *wxGetActiveWindow()
3001{
3002 // TODO
3003 wxFAIL_MSG("Not implemented");
3004 return NULL;
3005}
3006
3007/* static */
3008wxWindow *wxWindowBase::GetCapture()
3009{
3010 return (wxWindow *)g_captureWindow;
3011}
3012
3013
3014// Find the wxWindow at the current mouse position, returning the mouse
3015// position.
3016wxWindow* wxFindWindowAtPointer(wxPoint& pt)
3017{
3018 return wxFindWindowAtPoint(wxGetMousePosition());
3019}
3020
3021// Get the current mouse position.
3022wxPoint wxGetMousePosition()
3023{
3024 Display *display = (Display*) wxGetDisplay();
3025 Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
3026 Window rootReturn, childReturn;
3027 int rootX, rootY, winX, winY;
3028 unsigned int maskReturn;
3029
3030 XQueryPointer (display,
3031 rootWindow,
3032 &rootReturn,
3033 &childReturn,
3034 &rootX, &rootY, &winX, &winY, &maskReturn);
3035 return wxPoint(rootX, rootY);
3036}
3037
3038
3039// ----------------------------------------------------------------------------
3040// wxNoOptimize: switch off size optimization
3041// ----------------------------------------------------------------------------
3042
3043int wxNoOptimize::ms_count = 0;
3044
wxWidgets (Impactor)