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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;
821 XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
822 return range;
823}
824
825int wxWindow::GetScrollThumb(int orient) const
826{
827 Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
828 wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
829
830 int thumb;
831 XtVaGetValues(scrollBar, XmNsliderSize, &thumb, NULL);
832 return thumb;
833}
834
835void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
836{
837 Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
838
839 if ( scrollBar )
840 {
841 XtVaSetValues (scrollBar, XmNvalue, pos, NULL);
842 }
843
844 SetInternalScrollPos((wxOrientation)orient, pos);
845}
846
847// New function that will replace some of the above.
848void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
849 int range, bool WXUNUSED(refresh))
850{
851 int oldW, oldH;
852 GetSize(& oldW, & oldH);
853
854 if (range == 0)
855 range = 1;
856 if (thumbVisible == 0)
857 thumbVisible = 1;
858
859 if (thumbVisible > range)
860 thumbVisible = range;
861
862 // Save the old state to see if it changed
863 WXWidget oldScrollBar = GetScrollbar((wxOrientation)orient);
864
865 if (orient == wxHORIZONTAL)
866 {
867 if (thumbVisible == range)
868 {
869 if (m_hScrollBar)
870 DestroyScrollbar(wxHORIZONTAL);
871 }
872 else
873 {
874 if (!m_hScrollBar)
875 CreateScrollbar(wxHORIZONTAL);
876 }
877 }
878 if (orient == wxVERTICAL)
879 {
880 if (thumbVisible == range)
881 {
882 if (m_vScrollBar)
883 DestroyScrollbar(wxVERTICAL);
884 }
885 else
886 {
887 if (!m_vScrollBar)
888 CreateScrollbar(wxVERTICAL);
889 }
890 }
891 WXWidget newScrollBar = GetScrollbar((wxOrientation)orient);
892
893 if (oldScrollBar != newScrollBar)
894 {
895 // This is important! Without it, scrollbars misbehave badly.
896 XtUnrealizeWidget((Widget) m_scrolledWindow);
897 XmScrolledWindowSetAreas ((Widget) m_scrolledWindow, (Widget) m_hScrollBar, (Widget) m_vScrollBar, (Widget) m_drawingArea);
898 XtRealizeWidget((Widget) m_scrolledWindow);
899 XtManageChild((Widget) m_scrolledWindow);
900 }
901
902 if (newScrollBar)
903 {
904 XtVaSetValues((Widget) newScrollBar,
905 XmNvalue, pos,
906 XmNminimum, 0,
907 XmNmaximum, range,
908 XmNsliderSize, thumbVisible,
909 NULL);
910 }
911
912 SetInternalScrollPos((wxOrientation)orient, pos);
913
914 int newW, newH;
915 GetSize(& newW, & newH);
916
917 // Adjusting scrollbars can resize the canvas accidentally
918 if (newW != oldW || newH != oldH)
919 SetSize(-1, -1, oldW, oldH);
920}
921
922// Does a physical scroll
923void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
924{
925 int x, y, w, h;
926 if (rect)
927 {
928 // Use specified rectangle
929 x = rect->x; y = rect->y; w = rect->width; h = rect->height;
930 }
931 else
932 {
933 // Use whole client area
934 x = 0; y = 0;
935 GetClientSize(& w, & h);
936 }
937
938 wxNode *cnode = m_children.First();
939 while (cnode)
940 {
941 wxWindow *child = (wxWindow*) cnode->Data();
942 int sx = 0;
943 int sy = 0;
944 child->GetSize( &sx, &sy );
945 wxPoint pos( child->GetPosition() );
946 child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
947 cnode = cnode->Next();
948 }
949
950 int x1 = (dx >= 0) ? x : x - dx;
951 int y1 = (dy >= 0) ? y : y - dy;
952 int w1 = w - abs(dx);
953 int h1 = h - abs(dy);
954 int x2 = (dx >= 0) ? x + dx : x;
955 int y2 = (dy >= 0) ? y + dy : y;
956
957 wxClientDC dc(this);
958
959 dc.SetLogicalFunction (wxCOPY);
960
961 Widget widget = (Widget) GetMainWidget();
962 Window window = XtWindow(widget);
963 Display* display = XtDisplay(widget);
964
965 XCopyArea(display, window, window, (GC) dc.GetGC(),
966 x1, y1, w1, h1, x2, y2);
967
968 dc.SetAutoSetting(TRUE);
969 wxBrush brush(GetBackgroundColour(), wxSOLID);
970 dc.SetBrush(brush); // FIXME: needed?
971
972 // We'll add rectangles to the list of update rectangles according to which
973 // bits we've exposed.
974 wxList updateRects;
975
976 if (dx > 0)
977 {
978 wxRect *rect = new wxRect;
979 rect->x = x;
980 rect->y = y;
981 rect->width = dx;
982 rect->height = h;
983
984 XFillRectangle(display, window,
985 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
986
987 rect->x = rect->x;
988 rect->y = rect->y;
989 rect->width = rect->width;
990 rect->height = rect->height;
991
992 updateRects.Append((wxObject*) rect);
993 }
994 else if (dx < 0)
995 {
996 wxRect *rect = new wxRect;
997
998 rect->x = x + w + dx;
999 rect->y = y;
1000 rect->width = -dx;
1001 rect->height = h;
1002
1003 XFillRectangle(display, window,
1004 (GC) dc.GetGC(), rect->x, rect->y, rect->width,
1005 rect->height);
1006
1007 rect->x = rect->x;
1008 rect->y = rect->y;
1009 rect->width = rect->width;
1010 rect->height = rect->height;
1011
1012 updateRects.Append((wxObject*) rect);
1013 }
1014 if (dy > 0)
1015 {
1016 wxRect *rect = new wxRect;
1017
1018 rect->x = x;
1019 rect->y = y;
1020 rect->width = w;
1021 rect->height = dy;
1022
1023 XFillRectangle(display, window,
1024 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1025
1026 rect->x = rect->x;
1027 rect->y = rect->y;
1028 rect->width = rect->width;
1029 rect->height = rect->height;
1030
1031 updateRects.Append((wxObject*) rect);
1032 }
1033 else if (dy < 0)
1034 {
1035 wxRect *rect = new wxRect;
1036
1037 rect->x = x;
1038 rect->y = y + h + dy;
1039 rect->width = w;
1040 rect->height = -dy;
1041
1042 XFillRectangle(display, window,
1043 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1044
1045 rect->x = rect->x;
1046 rect->y = rect->y;
1047 rect->width = rect->width;
1048 rect->height = rect->height;
1049
1050 updateRects.Append((wxObject*) rect);
1051 }
1052 dc.SetBrush(wxNullBrush);
1053
1054 // Now send expose events
1055
1056 wxNode* node = updateRects.First();
1057 while (node)
1058 {
1059 wxRect* rect = (wxRect*) node->Data();
1060 XExposeEvent event;
1061
1062 event.type = Expose;
1063 event.display = display;
1064 event.send_event = True;
1065 event.window = window;
1066
1067 event.x = rect->x;
1068 event.y = rect->y;
1069 event.width = rect->width;
1070 event.height = rect->height;
1071
1072 event.count = 0;
1073
1074 XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
1075
1076 node = node->Next();
1077
1078 }
1079
1080 // Delete the update rects
1081 node = updateRects.First();
1082 while (node)
1083 {
1084 wxRect* rect = (wxRect*) node->Data();
1085 delete rect;
1086 node = node->Next();
1087 }
1088
1089 XmUpdateDisplay((Widget) GetMainWidget());
1090}
1091
1092// ---------------------------------------------------------------------------
1093// drag and drop
1094// ---------------------------------------------------------------------------
1095
1096#if wxUSE_DRAG_AND_DROP
1097
1098void wxWindow::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
1099{
1100 // TODO
1101}
1102
1103#endif
1104
1105// Old style file-manager drag&drop
1106void wxWindow::DragAcceptFiles(bool WXUNUSED(accept))
1107{
1108 // TODO
1109}
1110
1111// ----------------------------------------------------------------------------
1112// tooltips
1113// ----------------------------------------------------------------------------
1114
1115#if wxUSE_TOOLTIPS
1116
1117void wxWindow::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
1118{
1119 // TODO
1120}
1121
1122#endif // wxUSE_TOOLTIPS
1123
1124// ----------------------------------------------------------------------------
1125// popup menus
1126// ----------------------------------------------------------------------------
1127
1128bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
1129{
1130 Widget widget = (Widget) GetMainWidget();
1131
1132 /* The menuId field seems to be usused, so we'll use it to
1133 indicate whether a menu is popped up or not:
1134 0: Not currently created as a popup
1135 -1: Created as a popup, but not active
1136 1: Active popup.
1137 */
1138
1139 if (menu->GetParent() && (menu->GetId() != -1))
1140 return FALSE;
1141
1142 if (menu->GetMainWidget()) {
1143 menu->DestroyMenu(TRUE);
1144 }
1145
1146 menu->SetId(1); /* Mark as popped-up */
1147 menu->CreateMenu(NULL, widget, menu);
1148 menu->SetInvokingWindow(this);
1149
1150 menu->UpdateUI();
1151
1152 // menu->SetParent(parent);
1153 // parent->children->Append(menu); // Store menu for later deletion
1154
1155 Widget menuWidget = (Widget) menu->GetMainWidget();
1156
1157 int rootX = 0;
1158 int rootY = 0;
1159
1160 int deviceX = x;
1161 int deviceY = y;
1162 /*
1163 if (this->IsKindOf(CLASSINFO(wxCanvas)))
1164 {
1165 wxCanvas *canvas = (wxCanvas *) this;
1166 deviceX = canvas->GetDC ()->LogicalToDeviceX (x);
1167 deviceY = canvas->GetDC ()->LogicalToDeviceY (y);
1168 }
1169 */
1170
1171 Display *display = XtDisplay (widget);
1172 Window rootWindow = RootWindowOfScreen (XtScreen((Widget)widget));
1173 Window thisWindow = XtWindow (widget);
1174 Window childWindow;
1175 XTranslateCoordinates (display, thisWindow, rootWindow, (int) deviceX, (int) deviceY,
1176 &rootX, &rootY, &childWindow);
1177
1178 XButtonPressedEvent event;
1179 event.type = ButtonPress;
1180 event.button = 1;
1181
1182 event.x = deviceX;
1183 event.y = deviceY;
1184
1185 event.x_root = rootX;
1186 event.y_root = rootY;
1187
1188 XmMenuPosition (menuWidget, &event);
1189 XtManageChild (menuWidget);
1190
1191 return TRUE;
1192}
1193
1194// ---------------------------------------------------------------------------
1195// moving and resizing
1196// ---------------------------------------------------------------------------
1197
1198bool wxWindow::PreResize()
1199{
1200 return TRUE;
1201}
1202
1203// Get total size
1204void wxWindow::DoGetSize(int *x, int *y) const
1205{
1206 if (m_drawingArea)
1207 {
1208 CanvasGetSize(x, y);
1209 return;
1210 }
1211
1212 Widget widget = (Widget) GetTopWidget();
1213 Dimension xx, yy;
1214 XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1215 if(x) *x = xx; if(y) *y = yy;
1216}
1217
1218void wxWindow::DoGetPosition(int *x, int *y) const
1219{
1220 if (m_drawingArea)
1221 {
1222 CanvasGetPosition(x, y);
1223 return;
1224 }
1225 Widget widget = (Widget) GetTopWidget();
1226 Position xx, yy;
1227 XtVaGetValues(widget, XmNx, &xx, XmNy, &yy, NULL);
1228
1229 // We may be faking the client origin. So a window that's really at (0, 30)
1230 // may appear (to wxWin apps) to be at (0, 0).
1231 if (GetParent())
1232 {
1233 wxPoint pt(GetParent()->GetClientAreaOrigin());
1234 xx -= pt.x;
1235 yy -= pt.y;
1236 }
1237
1238 if(x) *x = xx; if(y) *y = yy;
1239}
1240
1241void wxWindow::DoScreenToClient(int *x, int *y) const
1242{
1243 Widget widget = (Widget) GetClientWidget();
1244 Display *display = XtDisplay((Widget) GetMainWidget());
1245 Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1246 Window thisWindow = XtWindow(widget);
1247
1248 Window childWindow;
1249 int xx = *x;
1250 int yy = *y;
1251 XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
1252}
1253
1254void wxWindow::DoClientToScreen(int *x, int *y) const
1255{
1256 Widget widget = (Widget) GetClientWidget();
1257 Display *display = XtDisplay(widget);
1258 Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1259 Window thisWindow = XtWindow(widget);
1260
1261 Window childWindow;
1262 int xx = *x;
1263 int yy = *y;
1264 XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
1265}
1266
1267
1268// Get size *available for subwindows* i.e. excluding menu bar etc.
1269void wxWindow::DoGetClientSize(int *x, int *y) const
1270{
1271 Widget widget = (Widget) GetClientWidget();
1272 Dimension xx, yy;
1273 XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1274 if(x) *x = xx; if(y) *y = yy;
1275}
1276
1277void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1278{
1279 // A bit of optimization to help sort out the flickers.
1280 int oldX, oldY, oldW, oldH;
1281 GetSize(& oldW, & oldH);
1282 GetPosition(& oldX, & oldY);
1283
1284 if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1285 {
1286 if ( x == -1 )
1287 x = oldX;
1288 if ( y == -1 )
1289 y = oldY;
1290 }
1291
1292 if ( width == -1 )
1293 width = oldW;
1294 if ( height == -1 )
1295 height = oldH;
1296
1297 bool nothingChanged = (x == oldX) && (y == oldY) &&
1298 (width == oldW) && (height == oldH);
1299
1300 if (!wxNoOptimize::CanOptimize())
1301 {
1302 nothingChanged = FALSE;
1303 }
1304
1305 if ( !nothingChanged )
1306 {
1307 if (m_drawingArea)
1308 {
1309 CanvasSetSize(x, y, width, height, sizeFlags);
1310 return;
1311 }
1312
1313 Widget widget = (Widget) GetTopWidget();
1314 if (!widget)
1315 return;
1316
1317 bool managed = XtIsManaged( widget );
1318 if (managed)
1319 XtUnmanageChild(widget);
1320
1321 int xx = x;
1322 int yy = y;
1323 AdjustForParentClientOrigin(xx, yy, sizeFlags);
1324
1325 DoMoveWindow(xx, yy, width, height);
1326
1327 if (managed)
1328 XtManageChild(widget);
1329
1330 // How about this bit. Maybe we don't need to generate size events
1331 // all the time -- they'll be generated when the window is sized anyway.
1332#if 0
1333 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1334 sizeEvent.SetEventObject(this);
1335
1336 GetEventHandler()->ProcessEvent(sizeEvent);
1337#endif // 0
1338 }
1339}
1340
1341void wxWindow::DoSetClientSize(int width, int height)
1342{
1343 if (m_drawingArea)
1344 {
1345 CanvasSetClientSize(width, height);
1346 return;
1347 }
1348
1349 Widget widget = (Widget) GetTopWidget();
1350
1351 if (width > -1)
1352 XtVaSetValues(widget, XmNwidth, width, NULL);
1353 if (height > -1)
1354 XtVaSetValues(widget, XmNheight, height, NULL);
1355
1356 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1357 sizeEvent.SetEventObject(this);
1358
1359 GetEventHandler()->ProcessEvent(sizeEvent);
1360}
1361
1362// For implementation purposes - sometimes decorations make the client area
1363// smaller
1364wxPoint wxWindow::GetClientAreaOrigin() const
1365{
1366 return wxPoint(0, 0);
1367}
1368
1369// Makes an adjustment to the window position (for example, a frame that has
1370// a toolbar that it manages itself).
1371void wxWindow::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
1372{
1373 if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
1374 {
1375 wxPoint pt(GetParent()->GetClientAreaOrigin());
1376 x += pt.x; y += pt.y;
1377 }
1378}
1379
1380void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
1381{
1382 m_minWidth = minW;
1383 m_minHeight = minH;
1384 m_maxWidth = maxW;
1385 m_maxHeight = maxH;
1386
1387 wxFrame *frame = wxDynamicCast(this, wxFrame);
1388 if ( !frame )
1389 {
1390 // TODO what about dialogs?
1391 return;
1392 }
1393
1394 Widget widget = (Widget) frame->GetShellWidget();
1395
1396 if (minW > -1)
1397 XtVaSetValues(widget, XmNminWidth, minW, NULL);
1398 if (minH > -1)
1399 XtVaSetValues(widget, XmNminHeight, minH, NULL);
1400 if (maxW > -1)
1401 XtVaSetValues(widget, XmNmaxWidth, maxW, NULL);
1402 if (maxH > -1)
1403 XtVaSetValues(widget, XmNmaxHeight, maxH, NULL);
1404 if (incW > -1)
1405 XtVaSetValues(widget, XmNwidthInc, incW, NULL);
1406 if (incH > -1)
1407 XtVaSetValues(widget, XmNheightInc, incH, NULL);
1408}
1409
1410void wxWindow::DoMoveWindow(int x, int y, int width, int height)
1411{
1412 XtVaSetValues((Widget)GetTopWidget(),
1413 XmNx, x,
1414 XmNy, y,
1415 XmNwidth, width,
1416 XmNheight, height,
1417 NULL);
1418}
1419
1420// ---------------------------------------------------------------------------
1421// text metrics
1422// ---------------------------------------------------------------------------
1423
1424int wxWindow::GetCharHeight() const
1425{
1426 wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1427
1428 WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1429
1430 int direction, ascent, descent;
1431 XCharStruct overall;
1432 XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1433 &descent, &overall);
1434
1435 // return (overall.ascent + overall.descent);
1436 return (ascent + descent);
1437}
1438
1439int wxWindow::GetCharWidth() const
1440{
1441 wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1442
1443 WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1444
1445 int direction, ascent, descent;
1446 XCharStruct overall;
1447 XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1448 &descent, &overall);
1449
1450 return overall.width;
1451}
1452
1453void wxWindow::GetTextExtent(const wxString& string,
1454 int *x, int *y,
1455 int *descent, int *externalLeading,
1456 const wxFont *theFont) const
1457{
1458 wxFont *fontToUse = (wxFont *)theFont;
1459 if (!fontToUse)
1460 fontToUse = (wxFont *) & m_font;
1461
1462 wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
1463
1464 WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
1465
1466 int direction, ascent, descent2;
1467 XCharStruct overall;
1468 int slen = string.Len();
1469
1470#if 0
1471 if (use16)
1472 XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
1473 &ascent, &descent2, &overall);
1474#endif
1475
1476 XTextExtents((XFontStruct*) pFontStruct, string, slen,
1477 &direction, &ascent, &descent2, &overall);
1478
1479 if ( x )
1480 *x = (overall.width);
1481 if ( y )
1482 *y = (ascent + descent2);
1483 if (descent)
1484 *descent = descent2;
1485 if (externalLeading)
1486 *externalLeading = 0;
1487
1488}
1489
1490// ----------------------------------------------------------------------------
1491// painting
1492// ----------------------------------------------------------------------------
1493
1494void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
1495{
1496 m_needsRefresh = TRUE;
1497 Display *display = XtDisplay((Widget) GetMainWidget());
1498 Window thisWindow = XtWindow((Widget) GetMainWidget());
1499
1500 XExposeEvent dummyEvent;
1501 int width, height;
1502 GetSize(&width, &height);
1503
1504 dummyEvent.type = Expose;
1505 dummyEvent.display = display;
1506 dummyEvent.send_event = True;
1507 dummyEvent.window = thisWindow;
1508 if (rect)
1509 {
1510 dummyEvent.x = rect->x;
1511 dummyEvent.y = rect->y;
1512 dummyEvent.width = rect->width;
1513 dummyEvent.height = rect->height;
1514 }
1515 else
1516 {
1517 dummyEvent.x = 0;
1518 dummyEvent.y = 0;
1519 dummyEvent.width = width;
1520 dummyEvent.height = height;
1521 }
1522 dummyEvent.count = 0;
1523
1524 if (eraseBack)
1525 {
1526 wxClientDC dc(this);
1527 wxBrush backgroundBrush(GetBackgroundColour(), wxSOLID);
1528 dc.SetBackground(backgroundBrush);
1529 if (rect)
1530 dc.Clear(*rect);
1531 else
1532 dc.Clear();
1533 }
1534
1535 XSendEvent(display, thisWindow, False, ExposureMask, (XEvent *)&dummyEvent);
1536}
1537
1538void wxWindow::Clear()
1539{
1540 wxClientDC dc(this);
1541 wxBrush brush(GetBackgroundColour(), wxSOLID);
1542 dc.SetBackground(brush);
1543 dc.Clear();
1544}
1545
1546void wxWindow::ClearUpdateRects()
1547{
1548 wxRectList::Node* node = m_updateRects.GetFirst();
1549 while (node)
1550 {
1551 wxRect* rect = node->GetData();
1552 delete rect;
1553 node = node->GetNext();
1554 }
1555
1556 m_updateRects.Clear();
1557}
1558
1559void wxWindow::DoPaint()
1560{
1561 //TODO : make a temporary gc so we can do the XCopyArea below
1562 if (m_backingPixmap && !m_needsRefresh)
1563 {
1564 wxPaintDC dc(this);
1565
1566 GC tempGC = (GC) dc.GetBackingGC();
1567
1568 Widget widget = (Widget) GetMainWidget();
1569
1570 int scrollPosX = 0;
1571 int scrollPosY = 0;
1572
1573 // We have to test whether it's a wxScrolledWindow (hack!) because
1574 // otherwise we don't know how many pixels have been scrolled. We might
1575 // solve this in the future by defining virtual wxWindow functions to get
1576 // the scroll position in pixels. Or, each kind of scrolled window has to
1577 // implement backing stores itself, using generic wxWindows code.
1578 wxScrolledWindow* scrolledWindow = wxDynamicCast(this, wxScrolledWindow);
1579 if ( scrolledWindow )
1580 {
1581 int x, y;
1582 scrolledWindow->CalcScrolledPosition(0, 0, &x, &y);
1583
1584 scrollPosX = - x;
1585 scrollPosY = - y;
1586 }
1587
1588 // TODO: This could be optimized further by only copying the areas in the
1589 // current update region.
1590
1591 // Only blit the part visible in the client area. The backing pixmap
1592 // always starts at 0, 0 but we may be looking at only a portion of it.
1593 wxSize clientArea = GetClientSize();
1594 int toBlitX = m_pixmapWidth - scrollPosX;
1595 int toBlitY = m_pixmapHeight - scrollPosY;
1596
1597 // Copy whichever is samller, the amount of pixmap we have to copy,
1598 // or the size of the client area.
1599 toBlitX = wxMin(toBlitX, clientArea.x);
1600 toBlitY = wxMin(toBlitY, clientArea.y);
1601
1602 // Make sure we're not negative
1603 toBlitX = wxMax(0, toBlitX);
1604 toBlitY = wxMax(0, toBlitY);
1605
1606 XCopyArea
1607 (
1608 XtDisplay(widget),
1609 (Pixmap) m_backingPixmap,
1610 XtWindow (widget),
1611 tempGC,
1612 scrollPosX, scrollPosY, // Start at the scroll position
1613 toBlitX, toBlitY, // How much of the pixmap to copy
1614 0, 0 // Destination
1615 );
1616 }
1617 else
1618 {
1619 // Set an erase event first
1620 wxEraseEvent eraseEvent(GetId());
1621 eraseEvent.SetEventObject(this);
1622 GetEventHandler()->ProcessEvent(eraseEvent);
1623
1624 wxPaintEvent event(GetId());
1625 event.SetEventObject(this);
1626 GetEventHandler()->ProcessEvent(event);
1627
1628 m_needsRefresh = FALSE;
1629 }
1630}
1631
1632// ----------------------------------------------------------------------------
1633// event handlers
1634// ----------------------------------------------------------------------------
1635
1636// Responds to colour changes: passes event on to children.
1637void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
1638{
1639 wxWindowList::Node *node = GetChildren().GetFirst();
1640 while ( node )
1641 {
1642 // Only propagate to non-top-level windows
1643 wxWindow *win = node->GetData();
1644 if ( win->GetParent() )
1645 {
1646 wxSysColourChangedEvent event2;
1647 event.m_eventObject = win;
1648 win->GetEventHandler()->ProcessEvent(event2);
1649 }
1650
1651 node = node->GetNext();
1652 }
1653}
1654
1655void wxWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
1656{
1657 // This calls the UI-update mechanism (querying windows for
1658 // menu/toolbar/control state information)
1659 UpdateWindowUI();
1660}
1661
1662// ----------------------------------------------------------------------------
1663// accelerators
1664// ----------------------------------------------------------------------------
1665
1666bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
1667{
1668 if (!m_acceleratorTable.Ok())
1669 return FALSE;
1670
1671 int count = m_acceleratorTable.GetCount();
1672 wxAcceleratorEntry* entries = m_acceleratorTable.GetEntries();
1673 int i;
1674 for (i = 0; i < count; i++)
1675 {
1676 wxAcceleratorEntry* entry = & (entries[i]);
1677 if (entry->MatchesEvent(event))
1678 {
1679 // Bingo, we have a match. Now find a control that matches the
1680 // entry command id.
1681
1682 // Need to go up to the top of the window hierarchy, since it might
1683 // be e.g. a menu item
1684 wxWindow* parent = this;
1685 while ( parent && !parent->IsTopLevel() )
1686 parent = parent->GetParent();
1687
1688 if (!parent)
1689 return FALSE;
1690
1691 wxFrame* frame = wxDynamicCast(parent, wxFrame);
1692 if ( frame )
1693 {
1694 // Try for a menu command
1695 if (frame->GetMenuBar())
1696 {
1697 wxMenuItem* item = frame->GetMenuBar()->FindItem(entry->GetCommand());
1698 if (item)
1699 {
1700 wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, entry->GetCommand());
1701 commandEvent.SetEventObject(frame);
1702
1703 // If ProcessEvent returns TRUE (it was handled), then
1704 // the calling code will skip the event handling.
1705 return frame->GetEventHandler()->ProcessEvent(commandEvent);
1706 }
1707 }
1708 }
1709
1710 // Find a child matching the command id
1711 wxWindow* child = parent->FindWindow(entry->GetCommand());
1712
1713 // No such child
1714 if (!child)
1715 return FALSE;
1716
1717 // Now we process those kinds of windows that we can.
1718 // For now, only buttons.
1719 if ( wxDynamicCast(child, wxButton) )
1720 {
1721 wxCommandEvent commandEvent (wxEVT_COMMAND_BUTTON_CLICKED, child->GetId());
1722 commandEvent.SetEventObject(child);
1723 return child->GetEventHandler()->ProcessEvent(commandEvent);
1724 }
1725
1726 return FALSE;
1727 } // matches event
1728 }// for
1729
1730 // We didn't match the key event against an accelerator.
1731 return FALSE;
1732}
1733
1734// ============================================================================
1735// Motif-specific stuff from here on
1736// ============================================================================
1737
1738// ----------------------------------------------------------------------------
1739// function which maintain the global hash table mapping Widgets to wxWindows
1740// ----------------------------------------------------------------------------
1741
1742bool wxAddWindowToTable(Widget w, wxWindow *win)
1743{
1744 wxWindow *oldItem = NULL;
1745 if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1746 {
1747 wxLogDebug("Widget table clash: new widget is %ld, %s",
1748 (long)w, win->GetClassInfo()->GetClassName());
1749 return FALSE;
1750 }
1751
1752 wxWidgetHashTable->Put((long) w, win);
1753
1754 wxLogTrace("widget", "Widget 0x%08x <-> window %p (%s)",
1755 w, win, win->GetClassInfo()->GetClassName());
1756
1757 return TRUE;
1758}
1759
1760wxWindow *wxGetWindowFromTable(Widget w)
1761{
1762 return (wxWindow *)wxWidgetHashTable->Get((long) w);
1763}
1764
1765void wxDeleteWindowFromTable(Widget w)
1766{
1767 wxWidgetHashTable->Delete((long)w);
1768}
1769
1770// ----------------------------------------------------------------------------
1771// add/remove window from the table
1772// ----------------------------------------------------------------------------
1773
1774// Add to hash table, add event handler
1775bool wxWindow::AttachWidget (wxWindow* WXUNUSED(parent), WXWidget mainWidget,
1776 WXWidget formWidget, int x, int y, int width, int height)
1777{
1778 wxAddWindowToTable((Widget) mainWidget, this);
1779 if (CanAddEventHandler())
1780 {
1781 XtAddEventHandler((Widget) mainWidget,
1782 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1783 False,
1784 wxPanelItemEventHandler,
1785 (XtPointer) this);
1786 }
1787
1788 if (!formWidget)
1789 {
1790 XtTranslations ptr;
1791 XtOverrideTranslations ((Widget) mainWidget,
1792 ptr = XtParseTranslationTable ("<Configure>: resize()"));
1793 XtFree ((char *) ptr);
1794 }
1795
1796 // Some widgets have a parent form widget, e.g. wxRadioBox
1797 if (formWidget)
1798 {
1799 if (!wxAddWindowToTable((Widget) formWidget, this))
1800 return FALSE;
1801
1802 XtTranslations ptr;
1803 XtOverrideTranslations ((Widget) formWidget,
1804 ptr = XtParseTranslationTable ("<Configure>: resize()"));
1805 XtFree ((char *) ptr);
1806 }
1807
1808 if (x == -1)
1809 x = 0;
1810 if (y == -1)
1811 y = 0;
1812 SetSize (x, y, width, height);
1813
1814 return TRUE;
1815}
1816
1817// Remove event handler, remove from hash table
1818bool wxWindow::DetachWidget(WXWidget widget)
1819{
1820 if (CanAddEventHandler())
1821 {
1822 XtRemoveEventHandler((Widget) widget,
1823 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1824 False,
1825 wxPanelItemEventHandler,
1826 (XtPointer)this);
1827 }
1828
1829 wxDeleteWindowFromTable((Widget) widget);
1830 return TRUE;
1831}
1832
1833// ----------------------------------------------------------------------------
1834// Motif-specific accessors
1835// ----------------------------------------------------------------------------
1836
1837// Get the underlying X window
1838WXWindow wxWindow::GetXWindow() const
1839{
1840 Widget wMain = (Widget)GetMainWidget();
1841 if ( wMain )
1842 return (WXWindow) XtWindow(wMain);
1843 else
1844 return (WXWindow) 0;
1845}
1846
1847// Get the underlying X display
1848WXDisplay *wxWindow::GetXDisplay() const
1849{
1850 Widget wMain = (Widget)GetMainWidget();
1851 if ( wMain )
1852 return (WXDisplay*) XtDisplay(wMain);
1853 else
1854 return (WXDisplay*) NULL;
1855}
1856
1857WXWidget wxWindow::GetMainWidget() const
1858{
1859 if (m_drawingArea)
1860 return m_drawingArea;
1861 else
1862 return m_mainWidget;
1863}
1864
1865WXWidget wxWindow::GetClientWidget() const
1866{
1867 if (m_drawingArea != (WXWidget) 0)
1868 return m_drawingArea;
1869 else
1870 return GetMainWidget();
1871}
1872
1873WXWidget wxWindow::GetTopWidget() const
1874{
1875 return GetMainWidget();
1876}
1877
1878WXWidget wxWindow::GetLabelWidget() const
1879{
1880 return GetMainWidget();
1881}
1882
1883// ----------------------------------------------------------------------------
1884// Motif callbacks
1885// ----------------------------------------------------------------------------
1886
1887// All widgets should have this as their resize proc.
1888// OnSize sent to wxWindow via client data.
1889void wxWidgetResizeProc(Widget w, XConfigureEvent *WXUNUSED(event), String WXUNUSED(args)[], int *WXUNUSED(num_args))
1890{
1891 wxWindow *win = wxGetWindowFromTable(w);
1892 if (!win)
1893 return;
1894
1895 if (win->PreResize())
1896 {
1897 int width, height;
1898 win->GetSize(&width, &height);
1899 wxSizeEvent sizeEvent(wxSize(width, height), win->GetId());
1900 sizeEvent.SetEventObject(win);
1901 win->GetEventHandler()->ProcessEvent(sizeEvent);
1902 }
1903}
1904
1905static void wxCanvasRepaintProc(Widget drawingArea,
1906 XtPointer clientData,
1907 XmDrawingAreaCallbackStruct * cbs)
1908{
1909 if (!wxGetWindowFromTable(drawingArea))
1910 return;
1911
1912 XEvent * event = cbs->event;
1913 wxWindow * win = (wxWindow *) clientData;
1914
1915 switch (event->type)
1916 {
1917 case Expose:
1918 {
1919 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
1920 event->xexpose.width, event->xexpose.height);
1921
1922 if (event -> xexpose.count == 0)
1923 {
1924 win->DoPaint();
1925 win->ClearUpdateRects();
1926 }
1927 break;
1928 }
1929 }
1930}
1931
1932// Unable to deal with Enter/Leave without a separate EventHandler (Motif 1.1.4)
1933static void wxCanvasEnterLeave(Widget drawingArea,
1934 XtPointer WXUNUSED(clientData),
1935 XCrossingEvent * event)
1936{
1937 XmDrawingAreaCallbackStruct cbs;
1938 XEvent ev;
1939
1940 ((XCrossingEvent &) ev) = *event;
1941
1942 cbs.reason = XmCR_INPUT;
1943 cbs.event = &ev;
1944
1945 wxCanvasInputEvent(drawingArea, (XtPointer) NULL, &cbs);
1946}
1947
1948// Fix to make it work under Motif 1.0 (!)
1949static void wxCanvasMotionEvent (Widget WXUNUSED(drawingArea), XButtonEvent * WXUNUSED(event))
1950{
1951#if XmVersion <= 1000
1952 XmDrawingAreaCallbackStruct cbs;
1953 XEvent ev;
1954
1955 ev = *((XEvent *) event);
1956 cbs.reason = XmCR_INPUT;
1957 cbs.event = &ev;
1958
1959 wxCanvasInputEvent (drawingArea, (XtPointer) NULL, &cbs);
1960#endif // XmVersion <= 1000
1961}
1962
1963static void wxCanvasInputEvent(Widget drawingArea,
1964 XtPointer WXUNUSED(data),
1965 XmDrawingAreaCallbackStruct * cbs)
1966{
1967 wxWindow *canvas = wxGetWindowFromTable(drawingArea);
1968 XEvent local_event;
1969
1970 if (canvas==NULL)
1971 return;
1972
1973 if (cbs->reason != XmCR_INPUT)
1974 return;
1975
1976 local_event = *(cbs->event); // We must keep a copy!
1977
1978 switch (local_event.xany.type)
1979 {
1980 case EnterNotify:
1981 case LeaveNotify:
1982 case ButtonPress:
1983 case ButtonRelease:
1984 case MotionNotify:
1985 {
1986 // FIXME: most of this mouse event code is more or less
1987 // duplicated in wxTranslateMouseEvent
1988 //
1989 wxEventType eventType = wxEVT_NULL;
1990
1991 if (local_event.xany.type == EnterNotify)
1992 {
1993 //if (local_event.xcrossing.mode!=NotifyNormal)
1994 // return ; // Ignore grab events
1995 eventType = wxEVT_ENTER_WINDOW;
1996 // canvas->GetEventHandler()->OnSetFocus();
1997 }
1998 else if (local_event.xany.type == LeaveNotify)
1999 {
2000 //if (local_event.xcrossingr.mode!=NotifyNormal)
2001 // return ; // Ignore grab events
2002 eventType = wxEVT_LEAVE_WINDOW;
2003 // canvas->GetEventHandler()->OnKillFocus();
2004 }
2005 else if (local_event.xany.type == MotionNotify)
2006 {
2007 eventType = wxEVT_MOTION;
2008 }
2009
2010 else if (local_event.xany.type == ButtonPress)
2011 {
2012 if (local_event.xbutton.button == Button1)
2013 {
2014 eventType = wxEVT_LEFT_DOWN;
2015 canvas->SetButton1(TRUE);
2016 }
2017 else if (local_event.xbutton.button == Button2)
2018 {
2019 eventType = wxEVT_MIDDLE_DOWN;
2020 canvas->SetButton2(TRUE);
2021 }
2022 else if (local_event.xbutton.button == Button3)
2023 {
2024 eventType = wxEVT_RIGHT_DOWN;
2025 canvas->SetButton3(TRUE);
2026 }
2027 }
2028 else if (local_event.xany.type == ButtonRelease)
2029 {
2030 if (local_event.xbutton.button == Button1)
2031 {
2032 eventType = wxEVT_LEFT_UP;
2033 canvas->SetButton1(FALSE);
2034 }
2035 else if (local_event.xbutton.button == Button2)
2036 {
2037 eventType = wxEVT_MIDDLE_UP;
2038 canvas->SetButton2(FALSE);
2039 }
2040 else if (local_event.xbutton.button == Button3)
2041 {
2042 eventType = wxEVT_RIGHT_UP;
2043 canvas->SetButton3(FALSE);
2044 }
2045 }
2046
2047 wxMouseEvent wxevent (eventType);
2048
2049 wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2050 || (event_left_is_down (&local_event)
2051 && (eventType != wxEVT_LEFT_UP)));
2052 wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2053 || (event_middle_is_down (&local_event)
2054 && (eventType != wxEVT_MIDDLE_UP)));
2055 wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2056 || (event_right_is_down (&local_event)
2057 && (eventType != wxEVT_RIGHT_UP)));
2058
2059 wxevent.m_shiftDown = local_event.xbutton.state & ShiftMask;
2060 wxevent.m_controlDown = local_event.xbutton.state & ControlMask;
2061 wxevent.m_altDown = local_event.xbutton.state & Mod3Mask;
2062 wxevent.m_metaDown = local_event.xbutton.state & Mod1Mask;
2063 wxevent.SetTimestamp(local_event.xbutton.time);
2064
2065 if ( eventType == wxEVT_MOTION )
2066 {
2067 if (local_event.xmotion.is_hint == NotifyHint)
2068 {
2069 Window root, child;
2070 Display *dpy = XtDisplay (drawingArea);
2071
2072 XQueryPointer (dpy, XtWindow (drawingArea),
2073 &root, &child,
2074 &local_event.xmotion.x_root,
2075 &local_event.xmotion.y_root,
2076 &local_event.xmotion.x,
2077 &local_event.xmotion.y,
2078 &local_event.xmotion.state);
2079 }
2080 else
2081 {
2082 }
2083 }
2084
2085 // Now check if we need to translate this event into a double click
2086 if (TRUE) // canvas->doubleClickAllowed)
2087 {
2088 if (wxevent.ButtonDown())
2089 {
2090 long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2091
2092 // get button and time-stamp
2093 int button = 0;
2094 if (wxevent.LeftDown())
2095 button = 1;
2096 else if (wxevent.MiddleDown())
2097 button = 2;
2098 else if (wxevent.RightDown())
2099 button = 3;
2100 long ts = wxevent.GetTimestamp();
2101
2102 // check, if single or double click
2103 int buttonLast = canvas->GetLastClickedButton();
2104 long lastTS = canvas->GetLastClickTime();
2105 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2106 {
2107 // I have a dclick
2108 canvas->SetLastClick(0, ts);
2109
2110 wxEventType typeDouble;
2111 if ( eventType == wxEVT_LEFT_DOWN )
2112 typeDouble = wxEVT_LEFT_DCLICK;
2113 else if ( eventType == wxEVT_MIDDLE_DOWN )
2114 typeDouble = wxEVT_MIDDLE_DCLICK;
2115 else if ( eventType == wxEVT_RIGHT_DOWN )
2116 typeDouble = wxEVT_RIGHT_DCLICK;
2117 else
2118 typeDouble = wxEVT_NULL;
2119
2120 if ( typeDouble != wxEVT_NULL )
2121 {
2122 wxevent.SetEventType(typeDouble);
2123 }
2124 }
2125 else
2126 {
2127 // not fast enough or different button
2128 canvas->SetLastClick(button, ts);
2129 }
2130 }
2131 }
2132
2133 wxevent.SetId(canvas->GetId());
2134 wxevent.SetEventObject(canvas);
2135 wxevent.m_x = local_event.xbutton.x;
2136 wxevent.m_y = local_event.xbutton.y;
2137 canvas->GetEventHandler()->ProcessEvent (wxevent);
2138#if 0
2139 if (eventType == wxEVT_ENTER_WINDOW ||
2140 eventType == wxEVT_LEAVE_WINDOW ||
2141 eventType == wxEVT_MOTION
2142 )
2143 return;
2144#endif // 0
2145 break;
2146 }
2147 case KeyPress:
2148 {
2149 KeySym keySym;
2150#if 0
2151 XComposeStatus compose;
2152 (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, &compose);
2153#endif // 0
2154
2155 (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2156 int id = wxCharCodeXToWX (keySym);
2157
2158 wxEventType eventType = wxEVT_CHAR;
2159
2160 wxKeyEvent event (eventType);
2161
2162 if (local_event.xkey.state & ShiftMask)
2163 event.m_shiftDown = TRUE;
2164 if (local_event.xkey.state & ControlMask)
2165 event.m_controlDown = TRUE;
2166 if (local_event.xkey.state & Mod3Mask)
2167 event.m_altDown = TRUE;
2168 if (local_event.xkey.state & Mod1Mask)
2169 event.m_metaDown = TRUE;
2170 event.SetEventObject(canvas);
2171 event.m_keyCode = id;
2172 event.SetTimestamp(local_event.xkey.time);
2173
2174 if (id > -1)
2175 {
2176 // Implement wxFrame::OnCharHook by checking ancestor.
2177 wxWindow *parent = canvas->GetParent();
2178 while (parent && !parent->IsKindOf(CLASSINFO(wxFrame)))
2179 parent = parent->GetParent();
2180
2181 if (parent)
2182 {
2183 event.SetEventType(wxEVT_CHAR_HOOK);
2184 if (parent->GetEventHandler()->ProcessEvent(event))
2185 return;
2186 }
2187
2188 // For simplicity, OnKeyDown is the same as OnChar
2189 // TODO: filter modifier key presses from OnChar
2190 event.SetEventType(wxEVT_KEY_DOWN);
2191
2192 // Only process OnChar if OnKeyDown didn't swallow it
2193 if (!canvas->GetEventHandler()->ProcessEvent (event))
2194 {
2195 event.SetEventType(wxEVT_CHAR);
2196 canvas->GetEventHandler()->ProcessEvent (event);
2197 }
2198 }
2199 break;
2200 }
2201 case KeyRelease:
2202 {
2203 KeySym keySym;
2204 (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2205 int id = wxCharCodeXToWX (keySym);
2206
2207 wxKeyEvent event (wxEVT_KEY_UP);
2208
2209 if (local_event.xkey.state & ShiftMask)
2210 event.m_shiftDown = TRUE;
2211 if (local_event.xkey.state & ControlMask)
2212 event.m_controlDown = TRUE;
2213 if (local_event.xkey.state & Mod3Mask)
2214 event.m_altDown = TRUE;
2215 if (local_event.xkey.state & Mod1Mask)
2216 event.m_metaDown = TRUE;
2217 event.SetEventObject(canvas);
2218 event.m_keyCode = id;
2219 event.SetTimestamp(local_event.xkey.time);
2220
2221 if (id > -1)
2222 {
2223 canvas->GetEventHandler()->ProcessEvent (event);
2224 }
2225 break;
2226 }
2227 case FocusIn:
2228 {
2229 if (local_event.xfocus.detail != NotifyPointer)
2230 {
2231 wxFocusEvent event(wxEVT_SET_FOCUS, canvas->GetId());
2232 event.SetEventObject(canvas);
2233 canvas->GetEventHandler()->ProcessEvent(event);
2234 }
2235 break;
2236 }
2237 case FocusOut:
2238 {
2239 if (local_event.xfocus.detail != NotifyPointer)
2240 {
2241 wxFocusEvent event(wxEVT_KILL_FOCUS, canvas->GetId());
2242 event.SetEventObject(canvas);
2243 canvas->GetEventHandler()->ProcessEvent(event);
2244 }
2245 break;
2246 }
2247 default:
2248 break;
2249 }
2250}
2251
2252static void wxPanelItemEventHandler(Widget wid,
2253 XtPointer WXUNUSED(client_data),
2254 XEvent* event,
2255 Boolean *continueToDispatch)
2256{
2257 // Widget can be a label or the actual widget.
2258
2259 wxWindow *window = wxGetWindowFromTable(wid);
2260 if (window)
2261 {
2262 wxMouseEvent wxevent(0);
2263 if (wxTranslateMouseEvent(wxevent, window, wid, event))
2264 {
2265 window->GetEventHandler()->ProcessEvent(wxevent);
2266 }
2267 }
2268
2269 // TODO: probably the key to allowing default behaviour to happen. Say we
2270 // set a m_doDefault flag to FALSE at the start of this function. Then in
2271 // e.g. wxWindow::OnMouseEvent we can call Default() which sets this flag to
2272 // TRUE, indicating that default processing can happen. Thus, behaviour can
2273 // appear to be overridden just by adding an event handler and not calling
2274 // wxWindow::OnWhatever. ALSO, maybe we can use this instead of the current
2275 // way of handling drawing area events, to simplify things.
2276 *continueToDispatch = True;
2277}
2278
2279static void wxScrollBarCallback(Widget scrollbar,
2280 XtPointer clientData,
2281 XmScrollBarCallbackStruct *cbs)
2282{
2283 wxWindow *win = wxGetWindowFromTable(scrollbar);
2284 int orientation = (int) clientData;
2285
2286 wxEventType eventType = wxEVT_NULL;
2287 switch (cbs->reason)
2288 {
2289 case XmCR_INCREMENT:
2290 {
2291 eventType = wxEVT_SCROLLWIN_LINEDOWN;
2292 break;
2293 }
2294 case XmCR_DECREMENT:
2295 {
2296 eventType = wxEVT_SCROLLWIN_LINEUP;
2297 break;
2298 }
2299 case XmCR_DRAG:
2300 {
2301 eventType = wxEVT_SCROLLWIN_THUMBTRACK;
2302 break;
2303 }
2304 case XmCR_VALUE_CHANGED:
2305 {
2306 eventType = wxEVT_SCROLLWIN_THUMBRELEASE;
2307 break;
2308 }
2309 case XmCR_PAGE_INCREMENT:
2310 {
2311 eventType = wxEVT_SCROLLWIN_PAGEDOWN;
2312 break;
2313 }
2314 case XmCR_PAGE_DECREMENT:
2315 {
2316 eventType = wxEVT_SCROLLWIN_PAGEUP;
2317 break;
2318 }
2319 case XmCR_TO_TOP:
2320 {
2321 eventType = wxEVT_SCROLLWIN_TOP;
2322 break;
2323 }
2324 case XmCR_TO_BOTTOM:
2325 {
2326 eventType = wxEVT_SCROLLWIN_BOTTOM;
2327 break;
2328 }
2329 default:
2330 {
2331 // Should never get here
2332 wxFAIL_MSG("Unknown scroll event.");
2333 break;
2334 }
2335 }
2336
2337 wxScrollWinEvent event(eventType,
2338 cbs->value,
2339 ((orientation == XmHORIZONTAL) ?
2340 wxHORIZONTAL : wxVERTICAL));
2341 event.SetEventObject( win );
2342 win->GetEventHandler()->ProcessEvent(event);
2343}
2344
2345// For repainting arbitrary windows
2346void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *)
2347{
2348 Window window;
2349 Display *display;
2350
2351 wxWindow* win = wxGetWindowFromTable(w);
2352 if (!win)
2353 return;
2354
2355 switch(event -> type)
2356 {
2357 case Expose:
2358 {
2359 window = (Window) win -> GetXWindow();
2360 display = (Display *) win -> GetXDisplay();
2361
2362 if (event -> xexpose.count == 0)
2363 {
2364 win->DoPaint();
2365
2366 win->ClearUpdateRects();
2367 }
2368 else
2369 {
2370 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
2371 event->xexpose.width, event->xexpose.height);
2372 }
2373
2374 break;
2375 }
2376 }
2377}
2378
2379// ----------------------------------------------------------------------------
2380// CanvaseXXXSize() functions
2381// ----------------------------------------------------------------------------
2382
2383// SetSize, but as per old wxCanvas (with drawing widget etc.)
2384void wxWindow::CanvasSetSize (int x, int y, int w, int h, int sizeFlags)
2385{
2386 // A bit of optimization to help sort out the flickers.
2387 int oldX, oldY, oldW, oldH;
2388 GetSize(& oldW, & oldH);
2389 GetPosition(& oldX, & oldY);
2390
2391 bool useOldPos = FALSE;
2392 bool useOldSize = FALSE;
2393
2394 if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
2395 useOldPos = TRUE;
2396 else if (x == oldX && y == oldY)
2397 useOldPos = TRUE;
2398
2399 if ((w == -1) && (h == -1))
2400 useOldSize = TRUE;
2401 else if (w == oldW && h == oldH)
2402 useOldSize = TRUE;
2403
2404 if (!wxNoOptimize::CanOptimize())
2405 {
2406 useOldSize = FALSE; useOldPos = FALSE;
2407 }
2408
2409 if (useOldPos && useOldSize)
2410 return;
2411
2412 Widget drawingArea = (Widget) m_drawingArea;
2413 bool managed = XtIsManaged(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2414
2415 if (managed)
2416 XtUnmanageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2417 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2418
2419 int xx = x; int yy = y;
2420 AdjustForParentClientOrigin(xx, yy, sizeFlags);
2421
2422 if (!useOldPos)
2423 {
2424 if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2425 {
2426 XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2427 XmNx, xx, NULL);
2428 }
2429
2430 if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2431 {
2432 XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2433 XmNy, yy, NULL);
2434 }
2435 }
2436
2437 if (!useOldSize)
2438 {
2439
2440 if (w > -1)
2441 {
2442 if (m_borderWidget)
2443 {
2444 XtVaSetValues ((Widget) m_borderWidget, XmNwidth, w, NULL);
2445 short thick, margin;
2446 XtVaGetValues ((Widget) m_borderWidget,
2447 XmNshadowThickness, &thick,
2448 XmNmarginWidth, &margin,
2449 NULL);
2450 w -= 2 * (thick + margin);
2451 }
2452
2453 XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
2454
2455 Dimension spacing;
2456 Widget sbar;
2457 XtVaGetValues ((Widget) m_scrolledWindow,
2458 XmNspacing, &spacing,
2459 XmNverticalScrollBar, &sbar,
2460 NULL);
2461 Dimension wsbar;
2462 if (sbar)
2463 XtVaGetValues (sbar, XmNwidth, &wsbar, NULL);
2464 else
2465 wsbar = 0;
2466
2467 w -= (spacing + wsbar);
2468
2469#if 0
2470 XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2471#endif // 0
2472 }
2473 if (h > -1)
2474 {
2475 if (m_borderWidget)
2476 {
2477 XtVaSetValues ((Widget) m_borderWidget, XmNheight, h, NULL);
2478 short thick, margin;
2479 XtVaGetValues ((Widget) m_borderWidget,
2480 XmNshadowThickness, &thick,
2481 XmNmarginHeight, &margin,
2482 NULL);
2483 h -= 2 * (thick + margin);
2484 }
2485
2486 XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
2487
2488 Dimension spacing;
2489 Widget sbar;
2490 XtVaGetValues ((Widget) m_scrolledWindow,
2491 XmNspacing, &spacing,
2492 XmNhorizontalScrollBar, &sbar,
2493 NULL);
2494 Dimension wsbar;
2495 if (sbar)
2496 XtVaGetValues (sbar, XmNheight, &wsbar, NULL);
2497 else
2498 wsbar = 0;
2499
2500 h -= (spacing + wsbar);
2501
2502#if 0
2503 XtVaSetValues(drawingArea, XmNheight, h, NULL);
2504#endif // 0
2505 }
2506 }
2507
2508 if (managed)
2509 XtManageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2510 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2511
2512#if 0
2513 int ww, hh;
2514 GetClientSize (&ww, &hh);
2515 wxSizeEvent sizeEvent(wxSize(ww, hh), GetId());
2516 sizeEvent.SetEventObject(this);
2517
2518 GetEventHandler()->ProcessEvent(sizeEvent);
2519#endif // 0
2520}
2521
2522void wxWindow::CanvasSetClientSize (int w, int h)
2523{
2524 Widget drawingArea = (Widget) m_drawingArea;
2525
2526 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2527
2528 if (w > -1)
2529 XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2530 if (h > -1)
2531 XtVaSetValues(drawingArea, XmNheight, h, NULL);
2532
2533#if 0
2534 // TODO: is this necessary?
2535 allowRepainting = FALSE;
2536
2537 XSync (XtDisplay (drawingArea), FALSE);
2538 XEvent event;
2539 while (XtAppPending (wxTheApp->appContext))
2540 {
2541 XFlush (XtDisplay (drawingArea));
2542 XtAppNextEvent (wxTheApp->appContext, &event);
2543 XtDispatchEvent (&event);
2544 }
2545#endif // 0
2546
2547 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2548
2549#if 0
2550 allowRepainting = TRUE;
2551 DoRefresh ();
2552
2553 wxSizeEvent sizeEvent(wxSize(w, h), GetId());
2554 sizeEvent.SetEventObject(this);
2555
2556 GetEventHandler()->ProcessEvent(sizeEvent);
2557#endif // 0
2558}
2559
2560void wxWindow::CanvasGetClientSize (int *w, int *h) const
2561{
2562 // Must return the same thing that was set via SetClientSize
2563 Dimension xx, yy;
2564 XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2565 *w = xx;
2566 *h = yy;
2567}
2568
2569void wxWindow::CanvasGetSize (int *w, int *h) const
2570{
2571 Dimension xx, yy;
2572 if ((Widget) m_borderWidget)
2573 XtVaGetValues ((Widget) m_borderWidget, XmNwidth, &xx, XmNheight, &yy, NULL);
2574 else if ((Widget) m_scrolledWindow)
2575 XtVaGetValues ((Widget) m_scrolledWindow, XmNwidth, &xx, XmNheight, &yy, NULL);
2576 else
2577 XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2578
2579 *w = xx;
2580 *h = yy;
2581}
2582
2583void wxWindow::CanvasGetPosition (int *x, int *y) const
2584{
2585 Position xx, yy;
2586 XtVaGetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow, XmNx, &xx, XmNy, &yy, NULL);
2587
2588 // We may be faking the client origin.
2589 // So a window that's really at (0, 30) may appear
2590 // (to wxWin apps) to be at (0, 0).
2591 if (GetParent())
2592 {
2593 wxPoint pt(GetParent()->GetClientAreaOrigin());
2594 xx -= pt.x;
2595 yy -= pt.y;
2596 }
2597
2598 *x = xx;
2599 *y = yy;
2600}
2601
2602// ----------------------------------------------------------------------------
2603// TranslateXXXEvent() functions
2604// ----------------------------------------------------------------------------
2605
2606bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
2607{
2608 switch (xevent->xany.type)
2609 {
2610 case EnterNotify: // never received here - yes ? MB
2611 case LeaveNotify: // never received here - yes ? MB
2612 case ButtonPress:
2613 case ButtonRelease:
2614 case MotionNotify:
2615 {
2616 wxEventType eventType = wxEVT_NULL;
2617
2618 // FIXME: this is never true I think - MB
2619 //
2620 if (xevent->xany.type == LeaveNotify)
2621 {
2622 win->SetButton1(FALSE);
2623 win->SetButton2(FALSE);
2624 win->SetButton3(FALSE);
2625 return FALSE;
2626 }
2627 else if (xevent->xany.type == MotionNotify)
2628 {
2629 eventType = wxEVT_MOTION;
2630 }
2631 else if (xevent->xany.type == ButtonPress)
2632 {
2633 wxevent.SetTimestamp(xevent->xbutton.time);
2634 int button = 0;
2635 if (xevent->xbutton.button == Button1)
2636 {
2637 eventType = wxEVT_LEFT_DOWN;
2638 win->SetButton1(TRUE);
2639 button = 1;
2640 }
2641 else if (xevent->xbutton.button == Button2)
2642 {
2643 eventType = wxEVT_MIDDLE_DOWN;
2644 win->SetButton2(TRUE);
2645 button = 2;
2646 }
2647 else if (xevent->xbutton.button == Button3)
2648 {
2649 eventType = wxEVT_RIGHT_DOWN;
2650 win->SetButton3(TRUE);
2651 button = 3;
2652 }
2653
2654 // check for a double click
2655 //
2656 long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2657 long ts = wxevent.GetTimestamp();
2658
2659 int buttonLast = win->GetLastClickedButton();
2660 long lastTS = win->GetLastClickTime();
2661 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2662 {
2663 // I have a dclick
2664 win->SetLastClick(0, ts);
2665 if ( eventType == wxEVT_LEFT_DOWN )
2666 eventType = wxEVT_LEFT_DCLICK;
2667 else if ( eventType == wxEVT_MIDDLE_DOWN )
2668 eventType = wxEVT_MIDDLE_DCLICK;
2669 else if ( eventType == wxEVT_RIGHT_DOWN )
2670 eventType = wxEVT_RIGHT_DCLICK;
2671 }
2672 else
2673 {
2674 // not fast enough or different button
2675 win->SetLastClick(button, ts);
2676 }
2677 }
2678 else if (xevent->xany.type == ButtonRelease)
2679 {
2680 if (xevent->xbutton.button == Button1)
2681 {
2682 eventType = wxEVT_LEFT_UP;
2683 win->SetButton1(FALSE);
2684 }
2685 else if (xevent->xbutton.button == Button2)
2686 {
2687 eventType = wxEVT_MIDDLE_UP;
2688 win->SetButton2(FALSE);
2689 }
2690 else if (xevent->xbutton.button == Button3)
2691 {
2692 eventType = wxEVT_RIGHT_UP;
2693 win->SetButton3(FALSE);
2694 }
2695 else return FALSE;
2696 }
2697 else
2698 {
2699 return FALSE;
2700 }
2701
2702 wxevent.SetEventType(eventType);
2703
2704 Position x1, y1;
2705 XtVaGetValues(widget, XmNx, &x1, XmNy, &y1, NULL);
2706
2707 int x2, y2;
2708 win->GetPosition(&x2, &y2);
2709
2710 // The button x/y must be translated to wxWindows
2711 // window space - the widget might be a label or button,
2712 // within a form.
2713 int dx = 0;
2714 int dy = 0;
2715 if (widget != (Widget)win->GetMainWidget())
2716 {
2717 dx = x1;
2718 dy = y1;
2719 }
2720
2721 wxevent.m_x = xevent->xbutton.x + dx;
2722 wxevent.m_y = xevent->xbutton.y + dy;
2723
2724 wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2725 || (event_left_is_down (xevent)
2726 && (eventType != wxEVT_LEFT_UP)));
2727 wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2728 || (event_middle_is_down (xevent)
2729 && (eventType != wxEVT_MIDDLE_UP)));
2730 wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2731 || (event_right_is_down (xevent)
2732 && (eventType != wxEVT_RIGHT_UP)));
2733
2734 wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
2735 wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
2736 wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
2737 wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
2738
2739 wxevent.SetId(win->GetId());
2740 wxevent.SetEventObject(win);
2741
2742 return TRUE;
2743 }
2744 }
2745 return FALSE;
2746}
2747
2748bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget WXUNUSED(widget), XEvent *xevent)
2749{
2750 switch (xevent->xany.type)
2751 {
2752 case KeyPress:
2753 case KeyRelease:
2754 {
2755 char buf[20];
2756
2757 KeySym keySym;
2758#if 0
2759 XComposeStatus compose;
2760 (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, &compose);
2761#endif // 0
2762 (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
2763 int id = wxCharCodeXToWX (keySym);
2764
2765 if (xevent->xkey.state & ShiftMask)
2766 wxevent.m_shiftDown = TRUE;
2767 if (xevent->xkey.state & ControlMask)
2768 wxevent.m_controlDown = TRUE;
2769 if (xevent->xkey.state & Mod3Mask)
2770 wxevent.m_altDown = TRUE;
2771 if (xevent->xkey.state & Mod1Mask)
2772 wxevent.m_metaDown = TRUE;
2773 wxevent.SetEventObject(win);
2774 wxevent.m_keyCode = id;
2775 wxevent.SetTimestamp(xevent->xkey.time);
2776
2777 wxevent.m_x = xevent->xbutton.x;
2778 wxevent.m_y = xevent->xbutton.y;
2779
2780 if (id > -1)
2781 return TRUE;
2782 else
2783 return FALSE;
2784 break;
2785 }
2786 default:
2787 break;
2788 }
2789 return FALSE;
2790}
2791
2792// ----------------------------------------------------------------------------
2793// Colour stuff
2794// ----------------------------------------------------------------------------
2795
2796#define YAllocColor XAllocColor
2797XColor g_itemColors[5];
2798int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
2799{
2800 int result;
2801 static XmColorProc colorProc;
2802
2803 result = wxNO_COLORS;
2804
2805 if (back)
2806 {
2807 g_itemColors[0].red = (((long) back->Red ()) << 8);
2808 g_itemColors[0].green = (((long) back->Green ()) << 8);
2809 g_itemColors[0].blue = (((long) back->Blue ()) << 8);
2810 g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
2811 if (colorProc == (XmColorProc) NULL)
2812 {
2813 // Get a ptr to the actual function
2814 colorProc = XmSetColorCalculation ((XmColorProc) NULL);
2815 // And set it back to motif.
2816 XmSetColorCalculation (colorProc);
2817 }
2818 (*colorProc) (&g_itemColors[wxBACK_INDEX],
2819 &g_itemColors[wxFORE_INDEX],
2820 &g_itemColors[wxSELE_INDEX],
2821 &g_itemColors[wxTOPS_INDEX],
2822 &g_itemColors[wxBOTS_INDEX]);
2823 result = wxBACK_COLORS;
2824 }
2825 if (fore)
2826 {
2827 g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
2828 g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
2829 g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
2830 g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
2831 if (result == wxNO_COLORS)
2832 result = wxFORE_COLORS;
2833 }
2834
2835 Display *dpy = display;
2836 Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
2837
2838 if (back)
2839 {
2840 /* 5 Colours to allocate */
2841 for (int i = 0; i < 5; i++)
2842 if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
2843 result = wxNO_COLORS;
2844 }
2845 else if (fore)
2846 {
2847 /* Only 1 colour to allocate */
2848 if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
2849 result = wxNO_COLORS;
2850 }
2851
2852 return (result);
2853
2854}
2855
2856// Changes the foreground and background colours to be derived from the current
2857// background colour. To change the foreground colour, you must call
2858// SetForegroundColour explicitly.
2859void wxWindow::ChangeBackgroundColour()
2860{
2861 WXWidget mainWidget = GetMainWidget();
2862 if ( mainWidget )
2863 DoChangeBackgroundColour(mainWidget, m_backgroundColour);
2864
2865 // This not necessary
2866#if 0
2867
2868 if (m_scrolledWindow && (GetMainWidget() != m_scrolledWindow))
2869 {
2870 DoChangeBackgroundColour(m_scrolledWindow, m_backgroundColour);
2871 // Have to set the scrollbar colours back since
2872 // the scrolled window seemed to change them
2873 wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
2874
2875 if (m_hScrollBar)
2876 DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
2877 if (m_vScrollBar)
2878 DoChangeBackgroundColour(m_vScrollBar, backgroundColour);
2879 }
2880#endif
2881}
2882
2883void wxWindow::ChangeForegroundColour()
2884{
2885 WXWidget mainWidget = GetMainWidget();
2886 if ( mainWidget )
2887 DoChangeForegroundColour(mainWidget, m_foregroundColour);
2888 if ( m_scrolledWindow && mainWidget != m_scrolledWindow )
2889 DoChangeForegroundColour(m_scrolledWindow, m_foregroundColour);
2890}
2891
2892// Change a widget's foreground and background colours.
2893void wxWindow::DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
2894{
2895 // When should we specify the foreground, if it's calculated
2896 // by wxComputeColours?
2897 // Solution: say we start with the default (computed) foreground colour.
2898 // If we call SetForegroundColour explicitly for a control or window,
2899 // then the foreground is changed.
2900 // Therefore SetBackgroundColour computes the foreground colour, and
2901 // SetForegroundColour changes the foreground colour. The ordering is
2902 // important.
2903
2904 Widget w = (Widget)widget;
2905 XtVaSetValues(
2906 w,
2907 XmNforeground, foregroundColour.AllocColour(XtDisplay(w)),
2908 NULL
2909 );
2910}
2911
2912void wxWindow::DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
2913{
2914 wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
2915 (wxColour*) NULL);
2916
2917 XtVaSetValues ((Widget) widget,
2918 XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
2919 XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
2920 XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
2921 XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
2922 NULL);
2923
2924 if (changeArmColour)
2925 XtVaSetValues ((Widget) widget,
2926 XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
2927 NULL);
2928}
2929
2930bool wxWindow::SetBackgroundColour(const wxColour& col)
2931{
2932 if ( !wxWindowBase::SetBackgroundColour(col) )
2933 return FALSE;
2934
2935 ChangeBackgroundColour();
2936
2937 return TRUE;
2938}
2939
2940bool wxWindow::SetForegroundColour(const wxColour& col)
2941{
2942 if ( !wxWindowBase::SetForegroundColour(col) )
2943 return FALSE;
2944
2945 ChangeForegroundColour();
2946
2947 return TRUE;
2948}
2949
2950void wxWindow::ChangeFont(bool keepOriginalSize)
2951{
2952 // Note that this causes the widget to be resized back
2953 // to its original size! We therefore have to set the size
2954 // back again. TODO: a better way in Motif?
2955 Widget w = (Widget) GetLabelWidget(); // Usually the main widget
2956 if (w && m_font.Ok())
2957 {
2958 int width, height, width1, height1;
2959 GetSize(& width, & height);
2960
2961 // lesstif 0.87 hangs here
2962#ifndef LESSTIF_VERSION
2963 XtVaSetValues (w,
2964 XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay(w)),
2965 NULL);
2966#endif
2967
2968 GetSize(& width1, & height1);
2969 if (keepOriginalSize && (width != width1 || height != height1))
2970 {
2971 SetSize(-1, -1, width, height);
2972 }
2973 }
2974}
2975
2976// ----------------------------------------------------------------------------
2977// global functions
2978// ----------------------------------------------------------------------------
2979
2980wxWindow *wxGetActiveWindow()
2981{
2982 // TODO
2983 wxFAIL_MSG("Not implemented");
2984 return NULL;
2985}
2986
2987/* static */
2988wxWindow *wxWindowBase::GetCapture()
2989{
2990 return (wxWindow *)g_captureWindow;
2991}
2992
2993
2994// Find the wxWindow at the current mouse position, returning the mouse
2995// position.
2996wxWindow* wxFindWindowAtPointer(wxPoint& pt)
2997{
2998 return wxFindWindowAtPoint(wxGetMousePosition());
2999}
3000
3001// Get the current mouse position.
3002wxPoint wxGetMousePosition()
3003{
3004 Display *display = (Display*) wxGetDisplay();
3005 Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
3006 Window rootReturn, childReturn;
3007 int rootX, rootY, winX, winY;
3008 unsigned int maskReturn;
3009
3010 XQueryPointer (display,
3011 rootWindow,
3012 &rootReturn,
3013 &childReturn,
3014 &rootX, &rootY, &winX, &winY, &maskReturn);
3015 return wxPoint(rootX, rootY);
3016}
3017
3018
3019// ----------------------------------------------------------------------------
3020// wxNoOptimize: switch off size optimization
3021// ----------------------------------------------------------------------------
3022
3023int wxNoOptimize::ms_count = 0;
3024
wxWidgets (Impactor)