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Attempt at fixing the broken printer dialog. *Lots* of unitialised variables!
[wxWidgets.git] / src / motif / window.cpp
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 #ifdef __GNUG__
13 #pragma implementation "window.h"
14 #endif
15
16 #include "wx/setup.h"
17 #include "wx/menu.h"
18 #include "wx/dc.h"
19 #include "wx/dcclient.h"
20 #include "wx/utils.h"
21 #include "wx/app.h"
22 #include "wx/panel.h"
23 #include "wx/layout.h"
24 #include "wx/dialog.h"
25 #include "wx/listbox.h"
26 #include "wx/button.h"
27 #include "wx/settings.h"
28 #include "wx/msgdlg.h"
29 #include "wx/frame.h"
30 #include "wx/scrolwin.h"
31
32 #include "wx/menuitem.h"
33 #include "wx/log.h"
34
35 #if wxUSE_DRAG_AND_DROP
36 #include "wx/dnd.h"
37 #endif
38
39 #include <Xm/Xm.h>
40
41 #include <Xm/DrawingA.h>
42 #include <Xm/ScrolledW.h>
43 #include <Xm/ScrollBar.h>
44 #include <Xm/Frame.h>
45 #include <Xm/Label.h>
46
47 #include "wx/motif/private.h"
48
49 #include <string.h>
50
51 #define SCROLL_MARGIN 4
52 void wxCanvasRepaintProc (Widget, XtPointer, XmDrawingAreaCallbackStruct * cbs);
53 void wxCanvasInputEvent (Widget drawingArea, XtPointer data, XmDrawingAreaCallbackStruct * cbs);
54 void wxCanvasMotionEvent (Widget, XButtonEvent * event);
55 void wxCanvasEnterLeave (Widget drawingArea, XtPointer clientData, XCrossingEvent * event);
56 static void wxScrollBarCallback(Widget widget, XtPointer clientData,
57 XmScaleCallbackStruct *cbs);
58 void wxPanelItemEventHandler (Widget wid,
59 XtPointer client_data,
60 XEvent* event,
61 Boolean *continueToDispatch);
62
63 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
64 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
65 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
66
67 extern wxList wxPendingDelete;
68
69 #if !USE_SHARED_LIBRARY
70 IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxEvtHandler)
71
72 BEGIN_EVENT_TABLE(wxWindow, wxEvtHandler)
73 EVT_CHAR(wxWindow::OnChar)
74 EVT_KEY_DOWN(wxWindow::OnKeyDown)
75 EVT_KEY_UP(wxWindow::OnKeyUp)
76 EVT_ERASE_BACKGROUND(wxWindow::OnEraseBackground)
77 EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
78 EVT_INIT_DIALOG(wxWindow::OnInitDialog)
79 EVT_IDLE(wxWindow::OnIdle)
80 END_EVENT_TABLE()
81
82 #endif
83
84
85 // Constructor
86 wxWindow::wxWindow()
87 {
88 // Generic
89 m_isWindow = TRUE; // An optimization
90 m_windowId = 0;
91 m_windowStyle = 0;
92 m_windowParent = NULL;
93 m_windowEventHandler = this;
94 m_windowName = "";
95 m_windowCursor = *wxSTANDARD_CURSOR;
96 m_children = new wxList;
97 m_constraints = NULL;
98 m_constraintsInvolvedIn = NULL;
99 m_windowSizer = NULL;
100 m_sizerParent = NULL;
101 m_autoLayout = FALSE;
102 m_windowValidator = NULL;
103 m_defaultItem = NULL;
104 m_returnCode = 0;
105 m_caretWidth = 0; m_caretHeight = 0;
106 m_caretEnabled = FALSE;
107 m_caretShown = FALSE;
108 // m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW) ; ;
109 m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE) ;
110 m_foregroundColour = *wxBLACK;
111
112 #if wxUSE_DRAG_AND_DROP
113 m_pDropTarget = NULL;
114 #endif
115 m_clientObject = (wxClientData*) NULL;
116 m_clientData = NULL;
117
118 /// Motif-specific
119 m_needsRefresh = TRUE;
120 m_mainWidget = (WXWidget) 0;
121 m_button1Pressed = FALSE;
122 m_button2Pressed = FALSE;
123 m_button3Pressed = FALSE;
124 m_winCaptured = FALSE;
125 m_isShown = TRUE;
126 m_hScrollBar = (WXWidget) 0;
127 m_vScrollBar = (WXWidget) 0;
128 m_borderWidget = (WXWidget) 0;
129 m_scrolledWindow = (WXWidget) 0;
130 m_drawingArea = (WXWidget) 0;
131 m_hScroll = FALSE;
132 m_vScroll = FALSE;
133 m_backingPixmap = (WXPixmap) 0;
134 m_pixmapWidth = 0;
135 m_pixmapHeight = 0;
136 m_pixmapOffsetX = 0;
137 m_pixmapOffsetY = 0;
138 m_lastTS = 0;
139 m_lastButton = 0;
140 m_canAddEventHandler = FALSE;
141 m_scrollPosX = 0;
142 m_scrollPosY = 0;
143 }
144
145 // Destructor
146 wxWindow::~wxWindow()
147 {
148 //// Motif-specific
149
150 if (GetMainWidget())
151 DetachWidget(GetMainWidget()); // Removes event handlers
152
153 // If m_drawingArea, we're a fully-fledged window with drawing area, scrollbars etc. (what wxCanvas used to be)
154 if (m_drawingArea)
155 {
156 // Destroy children before destroying self
157 DestroyChildren();
158
159 if (m_backingPixmap)
160 XFreePixmap (XtDisplay ((Widget) GetMainWidget()), (Pixmap) m_backingPixmap);
161
162 Widget w = (Widget) m_drawingArea;
163 wxDeleteWindowFromTable(w);
164
165 if (w)
166 XtDestroyWidget(w);
167 m_mainWidget = (WXWidget) 0;
168
169 // Only if we're _really_ a canvas (not a dialog box/panel)
170 if (m_scrolledWindow)
171 {
172 wxDeleteWindowFromTable((Widget) m_scrolledWindow);
173 }
174
175 if (m_hScrollBar)
176 {
177 XtUnmanageChild ((Widget) m_hScrollBar);
178 XtDestroyWidget ((Widget) m_hScrollBar);
179 }
180 if (m_vScrollBar)
181 {
182 XtUnmanageChild ((Widget) m_vScrollBar);
183 XtDestroyWidget ((Widget) m_vScrollBar);
184 }
185 if (m_scrolledWindow)
186 {
187 XtUnmanageChild ((Widget) m_scrolledWindow);
188 XtDestroyWidget ((Widget) m_scrolledWindow);
189 }
190
191 if (m_borderWidget)
192 {
193 XtDestroyWidget ((Widget) m_borderWidget);
194 m_borderWidget = (WXWidget) 0;
195 }
196 }
197
198 //// Generic stuff
199
200 // Have to delete constraints/sizer FIRST otherwise
201 // sizers may try to look at deleted windows as they
202 // delete themselves.
203 #if wxUSE_CONSTRAINTS
204 DeleteRelatedConstraints();
205 if (m_constraints)
206 {
207 // This removes any dangling pointers to this window
208 // in other windows' constraintsInvolvedIn lists.
209 UnsetConstraints(m_constraints);
210 delete m_constraints;
211 m_constraints = NULL;
212 }
213 if (m_windowSizer)
214 {
215 delete m_windowSizer;
216 m_windowSizer = NULL;
217 }
218 // If this is a child of a sizer, remove self from parent
219 if (m_sizerParent)
220 m_sizerParent->RemoveChild((wxWindow *)this);
221 #endif
222
223 if (m_windowParent)
224 m_windowParent->RemoveChild(this);
225
226 DestroyChildren();
227
228 // Destroy the window
229 if (GetMainWidget())
230 {
231 // If this line (XtDestroyWidget) causes a crash, you may comment it out.
232 // Child widgets will get destroyed automatically when a frame
233 // or dialog is destroyed, but before that you may get some memory
234 // leaks and potential layout problems if you delete and then add
235 // child windows.
236 XtDestroyWidget((Widget) GetMainWidget());
237 SetMainWidget((WXWidget) NULL);
238 }
239
240 delete m_children;
241 m_children = NULL;
242
243 // Just in case the window has been Closed, but
244 // we're then deleting immediately: don't leave
245 // dangling pointers.
246 wxPendingDelete.DeleteObject(this);
247
248 if ( m_windowValidator ) delete m_windowValidator;
249 if (m_clientObject) delete m_clientObject;
250
251 ClearUpdateRects();
252 }
253
254 // Destroy the window (delayed, if a managed window)
255 bool wxWindow::Destroy()
256 {
257 delete this;
258 return TRUE;
259 }
260
261 // Constructor
262 bool wxWindow::Create(wxWindow *parent, wxWindowID id,
263 const wxPoint& pos,
264 const wxSize& size,
265 long style,
266 const wxString& name)
267 {
268 // Generic
269 m_isWindow = TRUE; // An optimization
270 m_windowId = 0;
271 m_windowStyle = 0;
272 m_windowParent = NULL;
273 m_windowEventHandler = this;
274 m_windowName = "";
275 m_windowCursor = *wxSTANDARD_CURSOR;
276 m_constraints = NULL;
277 m_constraintsInvolvedIn = NULL;
278 m_windowSizer = NULL;
279 m_sizerParent = NULL;
280 m_autoLayout = FALSE;
281 m_windowValidator = NULL;
282 #if wxUSE_DRAG_AND_DROP
283 m_pDropTarget = NULL;
284 #endif
285 m_caretWidth = 0; m_caretHeight = 0;
286 m_caretEnabled = FALSE;
287 m_caretShown = FALSE;
288 m_minSizeX = -1;
289 m_minSizeY = -1;
290 m_maxSizeX = -1;
291 m_maxSizeY = -1;
292 m_defaultItem = NULL;
293 m_windowParent = NULL;
294 m_clientObject = (wxClientData*) NULL;
295 m_clientData = NULL;
296
297 // Motif-specific
298 m_needsRefresh = TRUE;
299 m_canAddEventHandler = FALSE;
300 m_mainWidget = (WXWidget) 0;
301 m_button1Pressed = FALSE;
302 m_button2Pressed = FALSE;
303 m_button3Pressed = FALSE;
304 m_winCaptured = FALSE;
305 m_isShown = TRUE;
306 m_hScrollBar = (WXWidget) 0;
307 m_vScrollBar = (WXWidget) 0;
308 m_borderWidget = (WXWidget) 0;
309 m_scrolledWindow = (WXWidget) 0;
310 m_drawingArea = (WXWidget) 0;
311 m_hScroll = FALSE;
312 m_vScroll = FALSE;
313 m_backingPixmap = (WXPixmap) 0;
314 m_pixmapWidth = 0;
315 m_pixmapHeight = 0;
316 m_pixmapOffsetX = 0;
317 m_pixmapOffsetY = 0;
318 m_scrollPosX = 0;
319 m_scrollPosY = 0;
320
321 if (!parent)
322 return FALSE;
323
324 if (parent) parent->AddChild(this);
325
326 m_returnCode = 0;
327
328 SetName(name);
329
330 if ( id == -1 )
331 m_windowId = (int)NewControlId();
332 else
333 m_windowId = id;
334
335 // m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW) ; ;
336 m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE) ;
337 m_foregroundColour = *wxBLACK;
338
339 m_windowStyle = style;
340
341 if ( id == -1 )
342 m_windowId = (int)NewControlId();
343 else
344 m_windowId = id;
345
346 //// TODO: we should probably optimize by only creating a
347 //// a drawing area if we have one or more scrollbars (wxVSCROLL/wxHSCROLL).
348 //// But for now, let's simplify things by always creating the
349 //// drawing area, since otherwise the translations are different.
350
351 // New translations for getting mouse motion feedback
352 String translations =
353 "<Btn1Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
354 <Btn2Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
355 <Btn3Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
356 <BtnMotion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
357 <Btn1Down>: DrawingAreaInput() ManagerGadgetArm()\n\
358 <Btn2Down>: DrawingAreaInput() ManagerGadgetArm()\n\
359 <Btn3Down>: DrawingAreaInput() ManagerGadgetArm()\n\
360 <Btn1Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
361 <Btn2Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
362 <Btn3Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
363 <Motion>: wxCanvasMotionEvent() DrawingAreaInput()\n\
364 <EnterWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
365 <LeaveWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
366 <Key>: DrawingAreaInput()";
367
368 XtActionsRec actions[1];
369 actions[0].string = "wxCanvasMotionEvent";
370 actions[0].proc = (XtActionProc) wxCanvasMotionEvent;
371 XtAppAddActions ((XtAppContext) wxTheApp->GetAppContext(), actions, 1);
372
373 Widget parentWidget = (Widget) parent->GetClientWidget();
374 if (style & wxBORDER)
375 m_borderWidget = (WXWidget) XtVaCreateManagedWidget ("canvasBorder",
376 xmFrameWidgetClass, parentWidget,
377 XmNshadowType, XmSHADOW_IN,
378 NULL);
379
380 m_scrolledWindow = (WXWidget) XtVaCreateManagedWidget ("scrolledWindow",
381 xmScrolledWindowWidgetClass, m_borderWidget ? (Widget) m_borderWidget : parentWidget,
382 XmNresizePolicy, XmRESIZE_NONE,
383 XmNspacing, 0,
384 XmNscrollingPolicy, XmAPPLICATION_DEFINED,
385 // XmNscrollBarDisplayPolicy, XmAS_NEEDED,
386 NULL);
387
388 XtTranslations ptr;
389 m_drawingArea = (WXWidget) XtVaCreateWidget ((char*) (const char*) name,
390 xmDrawingAreaWidgetClass, (Widget) m_scrolledWindow,
391 XmNunitType, XmPIXELS,
392 // XmNresizePolicy, XmRESIZE_ANY,
393 XmNresizePolicy, XmRESIZE_NONE,
394 XmNmarginHeight, 0,
395 XmNmarginWidth, 0,
396 XmNtranslations, ptr = XtParseTranslationTable (translations),
397 NULL);
398 /*
399 if (GetWindowStyleFlag() & wxOVERRIDE_KEY_TRANSLATIONS)
400 {
401 XtFree ((char *) ptr);
402 ptr = XtParseTranslationTable ("<Key>: DrawingAreaInput()");
403 XtOverrideTranslations ((Widget) m_drawingArea, ptr);
404 XtFree ((char *) ptr);
405 }
406 */
407
408 wxAddWindowToTable((Widget) m_drawingArea, this);
409 wxAddWindowToTable((Widget) m_scrolledWindow, this);
410
411 /*
412 * This order is very important in Motif 1.2.1
413 *
414 */
415
416 XtRealizeWidget ((Widget) m_scrolledWindow);
417 XtRealizeWidget ((Widget) m_drawingArea);
418 XtManageChild ((Widget) m_drawingArea);
419
420 XtOverrideTranslations ((Widget) m_drawingArea,
421 ptr = XtParseTranslationTable ("<Configure>: resize()"));
422 XtFree ((char *) ptr);
423
424 XtAddCallback ((Widget) m_drawingArea, XmNexposeCallback, (XtCallbackProc) wxCanvasRepaintProc, (XtPointer) this);
425 XtAddCallback ((Widget) m_drawingArea, XmNinputCallback, (XtCallbackProc) wxCanvasInputEvent, (XtPointer) this);
426
427 /* TODO?
428 display = XtDisplay (scrolledWindow);
429 xwindow = XtWindow (drawingArea);
430 */
431
432 XtAddEventHandler ((Widget) m_drawingArea, PointerMotionHintMask | EnterWindowMask | LeaveWindowMask | FocusChangeMask,
433 False, (XtEventHandler) wxCanvasEnterLeave, (XtPointer) this);
434
435 // Scrolled widget needs to have its colour changed or we get
436 // a little blue square where the scrollbars abutt
437 wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
438 DoChangeBackgroundColour(m_scrolledWindow, backgroundColour, TRUE);
439 DoChangeBackgroundColour(m_drawingArea, backgroundColour, TRUE);
440
441 XmScrolledWindowSetAreas ((Widget) m_scrolledWindow, (Widget) 0, (Widget) 0, (Widget) m_drawingArea);
442
443 /*
444 if (m_hScrollBar)
445 XtRealizeWidget ((Widget) m_hScrollBar);
446 if (m_vScrollBar)
447 XtRealizeWidget ((Widget) m_vScrollBar);
448 */
449
450 // Without this, the cursor may not be restored properly
451 // (e.g. in splitter sample).
452 SetCursor(*wxSTANDARD_CURSOR);
453 SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
454 SetSize(pos.x, pos.y, size.x, size.y);
455
456 return TRUE;
457 }
458
459 // Helper function
460 void wxWindow::CreateScrollbar(int orientation)
461 {
462 if (!m_drawingArea)
463 return;
464
465 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
466
467 // Add scrollbars if required
468 if (orientation == wxHORIZONTAL)
469 {
470 Widget hScrollBar = XtVaCreateManagedWidget ("hsb",
471 xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
472 XmNorientation, XmHORIZONTAL,
473 NULL);
474 // XtAddCallback (hScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
475 XtAddCallback (hScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
476 XtAddCallback (hScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
477 XtAddCallback (hScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
478 XtAddCallback (hScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
479 XtAddCallback (hScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
480 XtAddCallback (hScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
481 XtAddCallback (hScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
482
483 XtVaSetValues (hScrollBar,
484 XmNincrement, 1,
485 XmNvalue, 0,
486 NULL);
487
488 m_hScrollBar = (WXWidget) hScrollBar;
489
490 wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
491 DoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
492
493 XtRealizeWidget(hScrollBar);
494
495 XtVaSetValues((Widget) m_scrolledWindow,
496 XmNhorizontalScrollBar, (Widget) m_hScrollBar,
497 NULL);
498
499 m_hScroll = TRUE;
500 }
501
502 if (orientation == wxVERTICAL)
503 {
504 Widget vScrollBar = XtVaCreateManagedWidget ("vsb",
505 xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
506 XmNorientation, XmVERTICAL,
507 NULL);
508 // XtAddCallback (vScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
509 XtAddCallback (vScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
510 XtAddCallback (vScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
511 XtAddCallback (vScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
512 XtAddCallback (vScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
513 XtAddCallback (vScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
514 XtAddCallback (vScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
515 XtAddCallback (vScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
516
517 XtVaSetValues (vScrollBar,
518 XmNincrement, 1,
519 XmNvalue, 0,
520 NULL);
521
522 m_vScrollBar = (WXWidget) vScrollBar;
523 wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
524 DoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
525
526 XtRealizeWidget(vScrollBar);
527
528 XtVaSetValues((Widget) m_scrolledWindow,
529 XmNverticalScrollBar, (Widget) m_vScrollBar,
530 NULL);
531
532 m_vScroll = TRUE;
533 }
534
535 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
536 }
537 void wxWindow::DestroyScrollbar(int orientation)
538 {
539 if (!m_drawingArea)
540 return;
541
542 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
543 // Add scrollbars if required
544 if (orientation == wxHORIZONTAL)
545 {
546 if (m_hScrollBar)
547 {
548 XtDestroyWidget((Widget) m_hScrollBar);
549 }
550 m_hScrollBar = (WXWidget) 0;
551 m_hScroll = FALSE;
552
553 XtVaSetValues((Widget) m_scrolledWindow,
554 XmNhorizontalScrollBar, (Widget) 0,
555 NULL);
556
557 }
558
559 if (orientation == wxVERTICAL)
560 {
561 if (m_vScrollBar)
562 {
563 XtDestroyWidget((Widget) m_vScrollBar);
564 }
565 m_vScrollBar = (WXWidget) 0;
566 m_vScroll = TRUE;
567
568 XtVaSetValues((Widget) m_scrolledWindow,
569 XmNverticalScrollBar, (Widget) 0,
570 NULL);
571
572 }
573 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
574 }
575
576 void wxWindow::SetFocus()
577 {
578 XmProcessTraversal((Widget) GetMainWidget(), XmTRAVERSE_CURRENT);
579 XmProcessTraversal((Widget) GetMainWidget(), XmTRAVERSE_CURRENT);
580 }
581
582 void wxWindow::Enable(bool enable)
583 {
584 if (GetMainWidget())
585 {
586 XtSetSensitive((Widget) GetMainWidget(), enable);
587 XmUpdateDisplay((Widget) GetMainWidget());
588 }
589 }
590
591 void wxWindow::CaptureMouse()
592 {
593 if (m_winCaptured)
594 return;
595
596 if (GetMainWidget())
597 XtAddGrab((Widget) GetMainWidget(), TRUE, FALSE);
598
599 m_winCaptured = TRUE;
600 }
601
602 void wxWindow::ReleaseMouse()
603 {
604 if (!m_winCaptured)
605 return;
606
607 if (GetMainWidget())
608 XtRemoveGrab((Widget) GetMainWidget());
609 m_winCaptured = FALSE;
610 }
611
612 // Push/pop event handler (i.e. allow a chain of event handlers
613 // be searched)
614 void wxWindow::PushEventHandler(wxEvtHandler *handler)
615 {
616 handler->SetNextHandler(GetEventHandler());
617 SetEventHandler(handler);
618 }
619
620 wxEvtHandler *wxWindow::PopEventHandler(bool deleteHandler)
621 {
622 if ( GetEventHandler() )
623 {
624 wxEvtHandler *handlerA = GetEventHandler();
625 wxEvtHandler *handlerB = handlerA->GetNextHandler();
626 handlerA->SetNextHandler(NULL);
627 SetEventHandler(handlerB);
628 if ( deleteHandler )
629 {
630 delete handlerA;
631 return NULL;
632 }
633 else
634 return handlerA;
635 }
636 else
637 return NULL;
638 }
639
640 #if wxUSE_DRAG_AND_DROP
641
642 void wxWindow::SetDropTarget(wxDropTarget *pDropTarget)
643 {
644 if ( m_pDropTarget != 0 ) {
645 delete m_pDropTarget;
646 }
647
648 m_pDropTarget = pDropTarget;
649 if ( m_pDropTarget != 0 )
650 {
651 // TODO
652 }
653 }
654
655 #endif
656
657 // Old style file-manager drag&drop
658 void wxWindow::DragAcceptFiles(bool accept)
659 {
660 // TODO
661 }
662
663 // Get total size
664 void wxWindow::GetSize(int *x, int *y) const
665 {
666 if (m_drawingArea)
667 {
668 CanvasGetSize(x, y);
669 return;
670 }
671
672 Widget widget = (Widget) GetTopWidget();
673 Dimension xx, yy;
674 XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
675 *x = xx; *y = yy;
676 }
677
678 void wxWindow::GetPosition(int *x, int *y) const
679 {
680 if (m_drawingArea)
681 {
682 CanvasGetPosition(x, y);
683 return;
684 }
685 Widget widget = (Widget) GetTopWidget();
686 Position xx, yy;
687 XtVaGetValues(widget, XmNx, &xx, XmNy, &yy, NULL);
688
689 // We may be faking the client origin.
690 // So a window that's really at (0, 30) may appear
691 // (to wxWin apps) to be at (0, 0).
692 if (GetParent())
693 {
694 wxPoint pt(GetParent()->GetClientAreaOrigin());
695 xx -= pt.x;
696 yy -= pt.y;
697 }
698
699 *x = xx; *y = yy;
700 }
701
702 void wxWindow::ScreenToClient(int *x, int *y) const
703 {
704 Widget widget = (Widget) GetClientWidget();
705 Display *display = XtDisplay((Widget) GetMainWidget());
706 Window rootWindow = RootWindowOfScreen(XtScreen(widget));
707 Window thisWindow = XtWindow(widget);
708
709 Window childWindow;
710 int xx = *x;
711 int yy = *y;
712 XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
713 }
714
715 void wxWindow::ClientToScreen(int *x, int *y) const
716 {
717 Widget widget = (Widget) GetClientWidget();
718 Display *display = XtDisplay(widget);
719 Window rootWindow = RootWindowOfScreen(XtScreen(widget));
720 Window thisWindow = XtWindow(widget);
721
722 Window childWindow;
723 int xx = *x;
724 int yy = *y;
725 XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
726 }
727
728 void wxWindow::SetCursor(const wxCursor& cursor)
729 {
730 m_windowCursor = cursor;
731 if (m_windowCursor.Ok())
732 {
733 WXDisplay *dpy = GetXDisplay();
734 WXCursor x_cursor = ((wxCursor&)cursor).GetXCursor(dpy);
735
736 Widget w = (Widget) GetMainWidget();
737 Window win = XtWindow(w);
738 XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
739 }
740 }
741
742
743 // Get size *available for subwindows* i.e. excluding menu bar etc.
744 void wxWindow::GetClientSize(int *x, int *y) const
745 {
746 Widget widget = (Widget) GetClientWidget();
747 Dimension xx, yy;
748 XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
749 *x = xx; *y = yy;
750 }
751
752 void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
753 {
754 // A bit of optimization to help sort out the flickers.
755 int oldX, oldY, oldW, oldH;
756 GetSize(& oldW, & oldH);
757 GetPosition(& oldX, & oldY);
758
759 bool useOldPos = FALSE;
760 bool useOldSize = FALSE;
761
762 if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
763 useOldPos = TRUE;
764 else if (x == oldX && y == oldY)
765 useOldPos = TRUE;
766
767 if ((width == -1) && (height == -1))
768 useOldSize = TRUE;
769 else if (width == oldW && height == oldH)
770 useOldSize = TRUE;
771
772 if (!wxNoOptimize::CanOptimize())
773 {
774 useOldSize = FALSE; useOldPos = FALSE;
775 }
776
777 if (useOldPos && useOldSize)
778 return;
779
780 if (m_drawingArea)
781 {
782 CanvasSetSize(x, y, width, height, sizeFlags);
783 return;
784 }
785 Widget widget = (Widget) GetTopWidget();
786 if (!widget)
787 return;
788
789 bool managed = XtIsManaged( widget );
790 if (managed)
791 XtUnmanageChild(widget);
792
793 int xx = x; int yy = y;
794 AdjustForParentClientOrigin(xx, yy, sizeFlags);
795
796 if (!useOldPos)
797 {
798 if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
799 XtVaSetValues(widget, XmNx, xx, NULL);
800 if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
801 XtVaSetValues(widget, XmNy, yy, NULL);
802 }
803 if (!useOldSize)
804 {
805 if (width > -1)
806 XtVaSetValues(widget, XmNwidth, width, NULL);
807 if (height > -1)
808 XtVaSetValues(widget, XmNheight, height, NULL);
809 }
810
811 if (managed)
812 XtManageChild(widget);
813
814 // How about this bit. Maybe we don't need to generate size events
815 // all the time -- they'll be generated when the window is sized anyway.
816 /*
817 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
818 sizeEvent.SetEventObject(this);
819
820 GetEventHandler()->ProcessEvent(sizeEvent);
821 */
822 }
823
824 void wxWindow::DoSetClientSize(int width, int height)
825 {
826 if (m_drawingArea)
827 {
828 CanvasSetClientSize(width, height);
829 return;
830 }
831
832 Widget widget = (Widget) GetTopWidget();
833
834 if (width > -1)
835 XtVaSetValues(widget, XmNwidth, width, NULL);
836 if (height > -1)
837 XtVaSetValues(widget, XmNheight, height, NULL);
838
839 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
840 sizeEvent.SetEventObject(this);
841
842 GetEventHandler()->ProcessEvent(sizeEvent);
843 }
844
845 // For implementation purposes - sometimes decorations make the client area
846 // smaller
847 wxPoint wxWindow::GetClientAreaOrigin() const
848 {
849 return wxPoint(0, 0);
850 }
851
852 // Makes an adjustment to the window position (for example, a frame that has
853 // a toolbar that it manages itself).
854 void wxWindow::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
855 {
856 if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
857 {
858 wxPoint pt(GetParent()->GetClientAreaOrigin());
859 x += pt.x; y += pt.y;
860 }
861 }
862
863 bool wxWindow::Show(bool show)
864 {
865 if (show)
866 {
867 if (m_borderWidget || m_scrolledWindow)
868 {
869 if (m_drawingArea)
870 XtMapWidget((Widget) m_drawingArea);
871 XtMapWidget(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
872 }
873 else
874 {
875 WXWidget topWidget = GetTopWidget();
876 if (GetTopWidget())
877 XtMapWidget((Widget) GetTopWidget());
878 else if (GetMainWidget())
879 XtMapWidget((Widget) GetMainWidget());
880 }
881 }
882 else
883 {
884 if (m_borderWidget || m_scrolledWindow)
885 {
886 if (m_drawingArea)
887 XtUnmapWidget((Widget) m_drawingArea);
888 XtUnmapWidget(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
889 }
890 else
891 {
892 if (GetTopWidget())
893 XtUnmapWidget((Widget) GetTopWidget());
894 else if (GetMainWidget())
895 XtUnmapWidget((Widget) GetMainWidget());
896 }
897 }
898
899 /*
900 Window xwin = (Window) GetXWindow();
901 Display *xdisp = (Display*) GetXDisplay();
902 if (show)
903 XMapWindow(xdisp, xwin);
904 else
905 XUnmapWindow(xdisp, xwin);
906 */
907
908 m_isShown = show;
909
910 return TRUE;
911 }
912
913 bool wxWindow::IsShown() const
914 {
915 return m_isShown;
916 }
917
918 int wxWindow::GetCharHeight() const
919 {
920 if (!m_windowFont.Ok())
921 return 0;
922
923 WXFontStructPtr pFontStruct = m_windowFont.GetFontStruct(1.0, GetXDisplay());
924
925 int direction, ascent, descent;
926 XCharStruct overall;
927 XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
928 &descent, &overall);
929 // return (overall.ascent + overall.descent);
930 return (ascent + descent);
931 }
932
933 int wxWindow::GetCharWidth() const
934 {
935 if (!m_windowFont.Ok())
936 return 0;
937
938 WXFontStructPtr pFontStruct = m_windowFont.GetFontStruct(1.0, GetXDisplay());
939
940 int direction, ascent, descent;
941 XCharStruct overall;
942 XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
943 &descent, &overall);
944 return overall.width;
945 }
946
947 /* Helper function for 16-bit fonts */
948 static int str16len(const char *s)
949 {
950 int count = 0;
951
952 while (s[0] && s[1]) {
953 count++;
954 s += 2;
955 }
956
957 return count;
958 }
959
960 void wxWindow::GetTextExtent(const wxString& string, int *x, int *y,
961 int *descent, int *externalLeading, const wxFont *theFont, bool use16) const
962 {
963 wxFont *fontToUse = (wxFont *)theFont;
964 if (!fontToUse)
965 fontToUse = (wxFont *) & m_windowFont;
966
967 if (!fontToUse->Ok())
968 return;
969
970 WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
971
972 int direction, ascent, descent2;
973 XCharStruct overall;
974 int slen;
975
976 if (use16) slen = str16len(string); else slen = strlen(string);
977
978 if (use16)
979 XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
980 &ascent, &descent2, &overall);
981 else
982 XTextExtents((XFontStruct*) pFontStruct, (char*) (const char*) string, slen, &direction,
983 &ascent, &descent2, &overall);
984
985 *x = (overall.width);
986 *y = (ascent + descent2);
987 if (descent)
988 *descent = descent2;
989 if (externalLeading)
990 *externalLeading = 0;
991 }
992
993 void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
994 {
995 m_needsRefresh = TRUE;
996 Display *display = XtDisplay((Widget) GetMainWidget());
997 Window thisWindow = XtWindow((Widget) GetMainWidget());
998
999 XExposeEvent dummyEvent;
1000 int width, height;
1001 GetSize(&width, &height);
1002
1003 dummyEvent.type = Expose;
1004 dummyEvent.display = display;
1005 dummyEvent.send_event = True;
1006 dummyEvent.window = thisWindow;
1007 if (rect)
1008 {
1009 dummyEvent.x = rect->x;
1010 dummyEvent.y = rect->y;
1011 dummyEvent.width = rect->width;
1012 dummyEvent.height = rect->height;
1013 }
1014 else
1015 {
1016 dummyEvent.x = 0;
1017 dummyEvent.y = 0;
1018 dummyEvent.width = width;
1019 dummyEvent.height = height;
1020 }
1021 dummyEvent.count = 0;
1022
1023 if (eraseBack)
1024 {
1025 wxClientDC dc(this);
1026 wxBrush backgroundBrush(GetBackgroundColour(), wxSOLID);
1027 dc.SetBackground(backgroundBrush);
1028 if (rect)
1029 dc.Clear(*rect);
1030 else
1031 dc.Clear();
1032 }
1033
1034 XSendEvent(display, thisWindow, False, ExposureMask, (XEvent *)&dummyEvent);
1035 }
1036
1037 // Responds to colour changes: passes event on to children.
1038 void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
1039 {
1040 wxNode *node = GetChildren().First();
1041 while ( node )
1042 {
1043 // Only propagate to non-top-level windows
1044 wxWindow *win = (wxWindow *)node->Data();
1045 if ( win->GetParent() )
1046 {
1047 wxSysColourChangedEvent event2;
1048 event.m_eventObject = win;
1049 win->GetEventHandler()->ProcessEvent(event2);
1050 }
1051
1052 node = node->Next();
1053 }
1054 }
1055
1056 // This can be called by the app (or wxWindows) to do default processing for the current
1057 // event. Save message/event info in wxWindow so they can be used in this function.
1058 long wxWindow::Default()
1059 {
1060 // TODO
1061 return 0;
1062 }
1063
1064 void wxWindow::InitDialog()
1065 {
1066 wxInitDialogEvent event(GetId());
1067 event.SetEventObject( this );
1068 GetEventHandler()->ProcessEvent(event);
1069 }
1070
1071 // Default init dialog behaviour is to transfer data to window
1072 void wxWindow::OnInitDialog(wxInitDialogEvent& event)
1073 {
1074 TransferDataToWindow();
1075 }
1076
1077 // Caret manipulation
1078 void wxWindow::CreateCaret(int w, int h)
1079 {
1080 m_caretWidth = w;
1081 m_caretHeight = h;
1082 m_caretEnabled = TRUE;
1083 }
1084
1085 void wxWindow::CreateCaret(const wxBitmap *WXUNUSED(bitmap))
1086 {
1087 // TODO
1088 }
1089
1090 void wxWindow::ShowCaret(bool show)
1091 {
1092 // TODO
1093 }
1094
1095 void wxWindow::DestroyCaret()
1096 {
1097 // TODO
1098 m_caretEnabled = FALSE;
1099 }
1100
1101 void wxWindow::SetCaretPos(int x, int y)
1102 {
1103 // TODO
1104 }
1105
1106 void wxWindow::GetCaretPos(int *x, int *y) const
1107 {
1108 // TODO
1109 }
1110
1111 wxWindow *wxGetActiveWindow()
1112 {
1113 // TODO
1114 return NULL;
1115 }
1116
1117 void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
1118 {
1119 m_minSizeX = minW;
1120 m_minSizeY = minH;
1121 m_maxSizeX = maxW;
1122 m_maxSizeY = maxH;
1123
1124 if (!this->IsKindOf(CLASSINFO(wxFrame)))
1125 return;
1126
1127 wxFrame *frame = (wxFrame *)this;
1128 Widget widget = (Widget) frame->GetShellWidget();
1129
1130 if (minW > -1)
1131 XtVaSetValues(widget, XmNminWidth, minW, NULL);
1132 if (minH > -1)
1133 XtVaSetValues(widget, XmNminHeight, minH, NULL);
1134 if (maxW > -1)
1135 XtVaSetValues(widget, XmNmaxWidth, maxW, NULL);
1136 if (maxH > -1)
1137 XtVaSetValues(widget, XmNmaxHeight, maxH, NULL);
1138 if (incW > -1)
1139 XtVaSetValues(widget, XmNwidthInc, incW, NULL);
1140 if (incH > -1)
1141 XtVaSetValues(widget, XmNheightInc, incH, NULL);
1142 }
1143
1144 void wxWindow::Centre(int direction)
1145 {
1146 int x, y, width, height, panel_width, panel_height, new_x, new_y;
1147
1148 wxWindow *father = (wxWindow *)GetParent();
1149 if (!father)
1150 return;
1151
1152 father->GetClientSize(&panel_width, &panel_height);
1153 GetSize(&width, &height);
1154 GetPosition(&x, &y);
1155
1156 new_x = -1;
1157 new_y = -1;
1158
1159 if (direction & wxHORIZONTAL)
1160 new_x = (int)((panel_width - width)/2);
1161
1162 if (direction & wxVERTICAL)
1163 new_y = (int)((panel_height - height)/2);
1164
1165 SetSize(new_x, new_y, -1, -1);
1166
1167 }
1168
1169 // Coordinates relative to the window
1170 void wxWindow::WarpPointer (int x, int y)
1171 {
1172 XWarpPointer (XtDisplay((Widget) GetClientWidget()), None, XtWindow((Widget) GetClientWidget()), 0, 0, 0, 0, x, y);
1173 }
1174
1175 void wxWindow::OnEraseBackground(wxEraseEvent& event)
1176 {
1177 // TODO
1178 Default();
1179 }
1180
1181 int wxWindow::GetScrollPos(int orient) const
1182 {
1183 if (orient == wxHORIZONTAL)
1184 return m_scrollPosX;
1185 else
1186 return m_scrollPosY;
1187 /*
1188 Widget scrollBar = (Widget) ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar);
1189 if (scrollBar)
1190 {
1191 int pos;
1192 XtVaGetValues(scrollBar,
1193 XmNvalue, &pos, NULL);
1194 return pos;
1195 }
1196 else
1197 return 0;
1198 */
1199 }
1200
1201 // This now returns the whole range, not just the number
1202 // of positions that we can scroll.
1203 int wxWindow::GetScrollRange(int orient) const
1204 {
1205 Widget scrollBar = (Widget) ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar);
1206 if (scrollBar)
1207 {
1208 int range;
1209 XtVaGetValues(scrollBar,
1210 XmNmaximum, &range, NULL);
1211 return range;
1212 }
1213 else
1214 return 0;
1215 }
1216
1217 int wxWindow::GetScrollThumb(int orient) const
1218 {
1219 Widget scrollBar = (Widget) ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar);
1220 if (scrollBar)
1221 {
1222 int thumb;
1223 XtVaGetValues(scrollBar,
1224 XmNsliderSize, &thumb, NULL);
1225 return thumb;
1226 }
1227 else
1228 return 0;
1229 }
1230
1231 void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
1232 {
1233 Widget scrollBar = (Widget) ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar);
1234 if (scrollBar)
1235 {
1236 XtVaSetValues (scrollBar,
1237 XmNvalue, pos,
1238 NULL);
1239 }
1240 if (orient == wxHORIZONTAL)
1241 m_scrollPosX = pos;
1242 else
1243 m_scrollPosY = pos;
1244
1245 }
1246
1247 // New function that will replace some of the above.
1248 void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
1249 int range, bool WXUNUSED(refresh))
1250 {
1251 int oldW, oldH;
1252 GetSize(& oldW, & oldH);
1253
1254 if (range == 0)
1255 range = 1;
1256 if (thumbVisible == 0)
1257 thumbVisible = 1;
1258
1259 if (thumbVisible > range)
1260 thumbVisible = range;
1261
1262 // Save the old state to see if it changed
1263 WXWidget oldScrollBar = ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar );
1264
1265 if (orient == wxHORIZONTAL)
1266 {
1267 if (thumbVisible == range)
1268 {
1269 if (m_hScrollBar)
1270 DestroyScrollbar(wxHORIZONTAL);
1271 }
1272 else
1273 {
1274 if (!m_hScrollBar)
1275 CreateScrollbar(wxHORIZONTAL);
1276 }
1277 }
1278 if (orient == wxVERTICAL)
1279 {
1280 if (thumbVisible == range)
1281 {
1282 if (m_vScrollBar)
1283 DestroyScrollbar(wxVERTICAL);
1284 }
1285 else
1286 {
1287 if (!m_vScrollBar)
1288 CreateScrollbar(wxVERTICAL);
1289 }
1290 }
1291 WXWidget newScrollBar = ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar );
1292
1293 if (oldScrollBar != newScrollBar)
1294 {
1295 // This is important! Without it, scrollbars misbehave
1296 // badly.
1297 XtUnrealizeWidget((Widget) m_scrolledWindow);
1298 XmScrolledWindowSetAreas ((Widget) m_scrolledWindow, (Widget) m_hScrollBar, (Widget) m_vScrollBar, (Widget) m_drawingArea);
1299 XtRealizeWidget((Widget) m_scrolledWindow);
1300 XtManageChild((Widget) m_scrolledWindow);
1301 }
1302
1303 if (newScrollBar)
1304 XtVaSetValues((Widget) newScrollBar,
1305 XmNvalue, pos,
1306 XmNminimum, 0,
1307 XmNmaximum, range,
1308 XmNsliderSize, thumbVisible,
1309 NULL);
1310
1311 if (orient == wxHORIZONTAL)
1312 m_scrollPosX = pos;
1313 else
1314 m_scrollPosY = pos;
1315
1316 int newW, newH;
1317 GetSize(& newW, & newH);
1318
1319 // Adjusting scrollbars can resize the canvas accidentally
1320 if (newW != oldW || newH != oldH)
1321 SetSize(-1, -1, oldW, oldH);
1322 }
1323
1324 // Does a physical scroll
1325 void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
1326 {
1327 // cerr << "Scrolling. delta = " << dx << ", " << dy << endl;
1328 int x, y, w, h;
1329 if (rect)
1330 {
1331 // Use specified rectangle
1332 x = rect->x; y = rect->y; w = rect->width; h = rect->height;
1333 }
1334 else
1335 {
1336 // Use whole client area
1337 x = 0; y = 0;
1338 GetClientSize(& w, & h);
1339 }
1340
1341 int x1 = (dx >= 0) ? x : x - dx ;
1342 int y1 = (dy >= 0) ? y : y - dy;
1343 int w1 = w - abs(dx);
1344 int h1 = h - abs(dy);
1345 int x2 = (dx >= 0) ? x + dx : x;
1346 int y2 = (dy >= 0) ? y + dy : y;
1347
1348 wxClientDC dc(this);
1349
1350 dc.SetLogicalFunction (wxCOPY);
1351
1352 Widget widget = (Widget) GetMainWidget();
1353 Window window = XtWindow(widget);
1354 Display* display = XtDisplay(widget);
1355
1356 XCopyArea(display, window,
1357 window, (GC) dc.GetGC(),
1358 x1, y1,
1359 w1, h1,
1360 x2, y2);
1361
1362 dc.SetAutoSetting(TRUE);
1363 wxBrush brush(GetBackgroundColour(), wxSOLID);
1364 dc.SetBrush(brush); // ??
1365
1366 // We'll add rectangles to the list of update rectangles
1367 // according to which bits we've exposed.
1368 wxList updateRects;
1369
1370 if (dx > 0)
1371 {
1372 wxRect *rect = new wxRect;
1373 rect->x = x;
1374 rect->y = y;
1375 rect->width = dx;
1376 rect->height = h;
1377
1378 XFillRectangle(display, window,
1379 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1380
1381 rect->x = rect->x;
1382 rect->y = rect->y;
1383 rect->width = rect->width;
1384 rect->height = rect->height;
1385
1386 updateRects.Append((wxObject*) rect);
1387 }
1388 else if (dx < 0)
1389 {
1390 wxRect *rect = new wxRect;
1391
1392 rect->x = x + w + dx;
1393 rect->y = y;
1394 rect->width = -dx;
1395 rect->height = h;
1396
1397 XFillRectangle(display, window,
1398 (GC) dc.GetGC(), rect->x, rect->y, rect->width,
1399 rect->height);
1400
1401 rect->x = rect->x;
1402 rect->y = rect->y;
1403 rect->width = rect->width;
1404 rect->height = rect->height;
1405
1406 updateRects.Append((wxObject*) rect);
1407 }
1408 if (dy > 0)
1409 {
1410 wxRect *rect = new wxRect;
1411
1412 rect->x = x;
1413 rect->y = y;
1414 rect->width = w;
1415 rect->height = dy;
1416
1417 XFillRectangle(display, window,
1418 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1419
1420 rect->x = rect->x;
1421 rect->y = rect->y;
1422 rect->width = rect->width;
1423 rect->height = rect->height;
1424
1425 updateRects.Append((wxObject*) rect);
1426 }
1427 else if (dy < 0)
1428 {
1429 wxRect *rect = new wxRect;
1430
1431 rect->x = x;
1432 rect->y = y + h + dy;
1433 rect->width = w;
1434 rect->height = -dy;
1435
1436 XFillRectangle(display, window,
1437 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1438
1439 rect->x = rect->x;
1440 rect->y = rect->y;
1441 rect->width = rect->width;
1442 rect->height = rect->height;
1443
1444 updateRects.Append((wxObject*) rect);
1445 }
1446 dc.SetBrush(wxNullBrush);
1447
1448 // Now send expose events
1449
1450 wxNode* node = updateRects.First();
1451 while (node)
1452 {
1453 wxRect* rect = (wxRect*) node->Data();
1454 XExposeEvent event;
1455
1456 event.type = Expose;
1457 event.display = display;
1458 event.send_event = True;
1459 event.window = window;
1460
1461 event.x = rect->x;
1462 event.y = rect->y;
1463 event.width = rect->width;
1464 event.height = rect->height;
1465
1466 event.count = 0;
1467
1468 XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
1469
1470 node = node->Next();
1471
1472 }
1473
1474 // Delete the update rects
1475 node = updateRects.First();
1476 while (node)
1477 {
1478 wxRect* rect = (wxRect*) node->Data();
1479 delete rect;
1480 node = node->Next();
1481 }
1482
1483 XmUpdateDisplay((Widget) GetMainWidget());
1484 }
1485
1486 void wxWindow::OnChar(wxKeyEvent& event)
1487 {
1488 event.Skip();
1489 /* ??
1490 if ( event.KeyCode() == WXK_TAB ) {
1491 // propagate the TABs to the parent - it's up to it to decide what
1492 // to do with it
1493 if ( GetParent() ) {
1494 if ( GetParent()->ProcessEvent(event) )
1495 return;
1496 }
1497 }
1498 */
1499 }
1500
1501 void wxWindow::OnKeyDown(wxKeyEvent& event)
1502 {
1503 event.Skip();
1504 }
1505
1506 void wxWindow::OnKeyUp(wxKeyEvent& event)
1507 {
1508 event.Skip();
1509 }
1510
1511 void wxWindow::OnPaint(wxPaintEvent& event)
1512 {
1513 Default();
1514 }
1515
1516 bool wxWindow::IsEnabled() const
1517 {
1518 // TODO. Is this right?
1519 // return XtGetSensitive((Widget) GetMainWidget());
1520 return FALSE;
1521 }
1522
1523 // Dialog support: override these and call
1524 // base class members to add functionality
1525 // that can't be done using validators.
1526 // NOTE: these functions assume that controls
1527 // are direct children of this window, not grandchildren
1528 // or other levels of descendant.
1529
1530 // Transfer values to controls. If returns FALSE,
1531 // it's an application error (pops up a dialog)
1532 bool wxWindow::TransferDataToWindow()
1533 {
1534 wxNode *node = GetChildren().First();
1535 while ( node )
1536 {
1537 wxWindow *child = (wxWindow *)node->Data();
1538 if ( child->GetValidator() &&
1539 !child->GetValidator()->TransferToWindow() )
1540 {
1541 wxLogError("Could not transfer data to window.");
1542 return FALSE;
1543 }
1544
1545 node = node->Next();
1546 }
1547 return TRUE;
1548 }
1549
1550 // Transfer values from controls. If returns FALSE,
1551 // validation failed: don't quit
1552 bool wxWindow::TransferDataFromWindow()
1553 {
1554 wxNode *node = GetChildren().First();
1555 while ( node )
1556 {
1557 wxWindow *child = (wxWindow *)node->Data();
1558 if ( child->GetValidator() && !child->GetValidator()->TransferFromWindow() )
1559 {
1560 return FALSE;
1561 }
1562
1563 node = node->Next();
1564 }
1565 return TRUE;
1566 }
1567
1568 bool wxWindow::Validate()
1569 {
1570 wxNode *node = GetChildren().First();
1571 while ( node )
1572 {
1573 wxWindow *child = (wxWindow *)node->Data();
1574 if ( child->GetValidator() && /* child->GetValidator()->Ok() && */ !child->GetValidator()->Validate(this) )
1575 {
1576 return FALSE;
1577 }
1578
1579 node = node->Next();
1580 }
1581 return TRUE;
1582 }
1583
1584 // Get the window with the focus
1585 wxWindow *wxWindow::FindFocus()
1586 {
1587 // TODO
1588 return NULL;
1589 }
1590
1591 void wxWindow::AddChild(wxWindow *child)
1592 {
1593 GetChildren().Append(child);
1594 child->m_windowParent = this;
1595 }
1596
1597 void wxWindow::RemoveChild(wxWindow *child)
1598 {
1599 GetChildren().DeleteObject(child);
1600 child->m_windowParent = NULL;
1601 }
1602
1603 // Reparents this window to have the new parent.
1604 bool wxWindow::Reparent(wxWindow* WXUNUSED(parent))
1605 {
1606 // For now, we indicate that this isn't implemented.
1607 return FALSE;
1608 }
1609
1610 void wxWindow::DestroyChildren()
1611 {
1612 wxNode *node = GetChildren().First();
1613 while (node)
1614 {
1615 wxNode* next = node->Next();
1616 wxWindow* child = (wxWindow*) node->Data();
1617 delete child;
1618 node = next;
1619 }
1620 GetChildren().Clear();
1621 #if 0
1622 wxNode *node;
1623 while ((node = GetChildren().First()) != (wxNode *)NULL) {
1624 wxWindow *child;
1625 if ((child = (wxWindow *)node->Data()) != (wxWindow *)NULL) {
1626 delete child;
1627 if ( GetChildren().Member(child) )
1628 delete node;
1629 }
1630 } /* while */
1631 #endif
1632 }
1633
1634 void wxWindow::MakeModal(bool modal)
1635 {
1636 // Disable all other windows
1637 if (this->IsKindOf(CLASSINFO(wxDialog)) || this->IsKindOf(CLASSINFO(wxFrame)))
1638 {
1639 wxNode *node = wxTopLevelWindows.First();
1640 while (node)
1641 {
1642 wxWindow *win = (wxWindow *)node->Data();
1643 if (win != this)
1644 win->Enable(!modal);
1645
1646 node = node->Next();
1647 }
1648 }
1649 }
1650
1651 // If nothing defined for this, try the parent.
1652 // E.g. we may be a button loaded from a resource, with no callback function
1653 // defined.
1654 void wxWindow::OnCommand(wxWindow& win, wxCommandEvent& event)
1655 {
1656 if (GetEventHandler()->ProcessEvent(event) )
1657 return;
1658 if (m_windowParent)
1659 m_windowParent->GetEventHandler()->OnCommand(win, event);
1660 }
1661
1662 void wxWindow::SetConstraints(wxLayoutConstraints *c)
1663 {
1664 if (m_constraints)
1665 {
1666 UnsetConstraints(m_constraints);
1667 delete m_constraints;
1668 }
1669 m_constraints = c;
1670 if (m_constraints)
1671 {
1672 // Make sure other windows know they're part of a 'meaningful relationship'
1673 if (m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this))
1674 m_constraints->left.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
1675 if (m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this))
1676 m_constraints->top.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
1677 if (m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this))
1678 m_constraints->right.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
1679 if (m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this))
1680 m_constraints->bottom.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
1681 if (m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this))
1682 m_constraints->width.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
1683 if (m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this))
1684 m_constraints->height.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
1685 if (m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this))
1686 m_constraints->centreX.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
1687 if (m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this))
1688 m_constraints->centreY.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
1689 }
1690 }
1691
1692 // This removes any dangling pointers to this window
1693 // in other windows' constraintsInvolvedIn lists.
1694 void wxWindow::UnsetConstraints(wxLayoutConstraints *c)
1695 {
1696 if (c)
1697 {
1698 if (c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this))
1699 c->left.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
1700 if (c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this))
1701 c->top.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
1702 if (c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this))
1703 c->right.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
1704 if (c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this))
1705 c->bottom.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
1706 if (c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this))
1707 c->width.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
1708 if (c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this))
1709 c->height.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
1710 if (c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this))
1711 c->centreX.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
1712 if (c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this))
1713 c->centreY.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
1714 }
1715 }
1716
1717 // Back-pointer to other windows we're involved with, so if we delete
1718 // this window, we must delete any constraints we're involved with.
1719 void wxWindow::AddConstraintReference(wxWindow *otherWin)
1720 {
1721 if (!m_constraintsInvolvedIn)
1722 m_constraintsInvolvedIn = new wxList;
1723 if (!m_constraintsInvolvedIn->Member(otherWin))
1724 m_constraintsInvolvedIn->Append(otherWin);
1725 }
1726
1727 // REMOVE back-pointer to other windows we're involved with.
1728 void wxWindow::RemoveConstraintReference(wxWindow *otherWin)
1729 {
1730 if (m_constraintsInvolvedIn)
1731 m_constraintsInvolvedIn->DeleteObject(otherWin);
1732 }
1733
1734 // Reset any constraints that mention this window
1735 void wxWindow::DeleteRelatedConstraints()
1736 {
1737 if (m_constraintsInvolvedIn)
1738 {
1739 wxNode *node = m_constraintsInvolvedIn->First();
1740 while (node)
1741 {
1742 wxWindow *win = (wxWindow *)node->Data();
1743 wxNode *next = node->Next();
1744 wxLayoutConstraints *constr = win->GetConstraints();
1745
1746 // Reset any constraints involving this window
1747 if (constr)
1748 {
1749 constr->left.ResetIfWin((wxWindow *)this);
1750 constr->top.ResetIfWin((wxWindow *)this);
1751 constr->right.ResetIfWin((wxWindow *)this);
1752 constr->bottom.ResetIfWin((wxWindow *)this);
1753 constr->width.ResetIfWin((wxWindow *)this);
1754 constr->height.ResetIfWin((wxWindow *)this);
1755 constr->centreX.ResetIfWin((wxWindow *)this);
1756 constr->centreY.ResetIfWin((wxWindow *)this);
1757 }
1758 delete node;
1759 node = next;
1760 }
1761 delete m_constraintsInvolvedIn;
1762 m_constraintsInvolvedIn = NULL;
1763 }
1764 }
1765
1766 void wxWindow::SetSizer(wxSizer *sizer)
1767 {
1768 m_windowSizer = sizer;
1769 if (sizer)
1770 sizer->SetSizerParent((wxWindow *)this);
1771 }
1772
1773 /*
1774 * New version
1775 */
1776
1777 bool wxWindow::Layout()
1778 {
1779 if (GetConstraints())
1780 {
1781 int w, h;
1782 GetClientSize(&w, &h);
1783 GetConstraints()->width.SetValue(w);
1784 GetConstraints()->height.SetValue(h);
1785 }
1786
1787 // If top level (one sizer), evaluate the sizer's constraints.
1788 if (GetSizer())
1789 {
1790 int noChanges;
1791 GetSizer()->ResetConstraints(); // Mark all constraints as unevaluated
1792 GetSizer()->LayoutPhase1(&noChanges);
1793 GetSizer()->LayoutPhase2(&noChanges);
1794 GetSizer()->SetConstraintSizes(); // Recursively set the real window sizes
1795 return TRUE;
1796 }
1797 else
1798 {
1799 // Otherwise, evaluate child constraints
1800 ResetConstraints(); // Mark all constraints as unevaluated
1801 DoPhase(1); // Just one phase need if no sizers involved
1802 DoPhase(2);
1803 SetConstraintSizes(); // Recursively set the real window sizes
1804 }
1805 return TRUE;
1806 }
1807
1808
1809 // Do a phase of evaluating constraints:
1810 // the default behaviour. wxSizers may do a similar
1811 // thing, but also impose their own 'constraints'
1812 // and order the evaluation differently.
1813 bool wxWindow::LayoutPhase1(int *noChanges)
1814 {
1815 wxLayoutConstraints *constr = GetConstraints();
1816 if (constr)
1817 {
1818 return constr->SatisfyConstraints((wxWindow *)this, noChanges);
1819 }
1820 else
1821 return TRUE;
1822 }
1823
1824 bool wxWindow::LayoutPhase2(int *noChanges)
1825 {
1826 *noChanges = 0;
1827
1828 // Layout children
1829 DoPhase(1);
1830 DoPhase(2);
1831 return TRUE;
1832 }
1833
1834 // Do a phase of evaluating child constraints
1835 bool wxWindow::DoPhase(int phase)
1836 {
1837 int noIterations = 0;
1838 int maxIterations = 500;
1839 int noChanges = 1;
1840 int noFailures = 0;
1841 wxList succeeded;
1842 while ((noChanges > 0) && (noIterations < maxIterations))
1843 {
1844 noChanges = 0;
1845 noFailures = 0;
1846 wxNode *node = GetChildren().First();
1847 while (node)
1848 {
1849 wxWindow *child = (wxWindow *)node->Data();
1850 if (!child->IsKindOf(CLASSINFO(wxFrame)) && !child->IsKindOf(CLASSINFO(wxDialog)))
1851 {
1852 wxLayoutConstraints *constr = child->GetConstraints();
1853 if (constr)
1854 {
1855 if (succeeded.Member(child))
1856 {
1857 }
1858 else
1859 {
1860 int tempNoChanges = 0;
1861 bool success = ( (phase == 1) ? child->LayoutPhase1(&tempNoChanges) : child->LayoutPhase2(&tempNoChanges) ) ;
1862 noChanges += tempNoChanges;
1863 if (success)
1864 {
1865 succeeded.Append(child);
1866 }
1867 }
1868 }
1869 }
1870 node = node->Next();
1871 }
1872 noIterations ++;
1873 }
1874 return TRUE;
1875 }
1876
1877 void wxWindow::ResetConstraints()
1878 {
1879 wxLayoutConstraints *constr = GetConstraints();
1880 if (constr)
1881 {
1882 constr->left.SetDone(FALSE);
1883 constr->top.SetDone(FALSE);
1884 constr->right.SetDone(FALSE);
1885 constr->bottom.SetDone(FALSE);
1886 constr->width.SetDone(FALSE);
1887 constr->height.SetDone(FALSE);
1888 constr->centreX.SetDone(FALSE);
1889 constr->centreY.SetDone(FALSE);
1890 }
1891 wxNode *node = GetChildren().First();
1892 while (node)
1893 {
1894 wxWindow *win = (wxWindow *)node->Data();
1895 if (!win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog)))
1896 win->ResetConstraints();
1897 node = node->Next();
1898 }
1899 }
1900
1901 // Need to distinguish between setting the 'fake' size for
1902 // windows and sizers, and setting the real values.
1903 void wxWindow::SetConstraintSizes(bool recurse)
1904 {
1905 wxLayoutConstraints *constr = GetConstraints();
1906 if (constr && constr->left.GetDone() && constr->right.GetDone() &&
1907 constr->width.GetDone() && constr->height.GetDone())
1908 {
1909 int x = constr->left.GetValue();
1910 int y = constr->top.GetValue();
1911 int w = constr->width.GetValue();
1912 int h = constr->height.GetValue();
1913
1914 // If we don't want to resize this window, just move it...
1915 if ((constr->width.GetRelationship() != wxAsIs) ||
1916 (constr->height.GetRelationship() != wxAsIs))
1917 {
1918 // Calls Layout() recursively. AAAGH. How can we stop that.
1919 // Simply take Layout() out of non-top level OnSizes.
1920 SizerSetSize(x, y, w, h);
1921 }
1922 else
1923 {
1924 SizerMove(x, y);
1925 }
1926 }
1927 else if (constr)
1928 {
1929 char *windowClass = this->GetClassInfo()->GetClassName();
1930
1931 wxString winName;
1932 if (GetName() == "")
1933 winName = "unnamed";
1934 else
1935 winName = GetName();
1936 wxDebugMsg("Constraint(s) not satisfied for window of type %s, name %s:\n", (const char *)windowClass, (const char *)winName);
1937 if (!constr->left.GetDone())
1938 wxDebugMsg(" unsatisfied 'left' constraint.\n");
1939 if (!constr->right.GetDone())
1940 wxDebugMsg(" unsatisfied 'right' constraint.\n");
1941 if (!constr->width.GetDone())
1942 wxDebugMsg(" unsatisfied 'width' constraint.\n");
1943 if (!constr->height.GetDone())
1944 wxDebugMsg(" unsatisfied 'height' constraint.\n");
1945 wxDebugMsg("Please check constraints: try adding AsIs() constraints.\n");
1946 }
1947
1948 if (recurse)
1949 {
1950 wxNode *node = GetChildren().First();
1951 while (node)
1952 {
1953 wxWindow *win = (wxWindow *)node->Data();
1954 if (!win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog)))
1955 win->SetConstraintSizes();
1956 node = node->Next();
1957 }
1958 }
1959 }
1960
1961 // This assumes that all sizers are 'on' the same
1962 // window, i.e. the parent of this window.
1963 void wxWindow::TransformSizerToActual(int *x, int *y) const
1964 {
1965 if (!m_sizerParent || m_sizerParent->IsKindOf(CLASSINFO(wxDialog)) ||
1966 m_sizerParent->IsKindOf(CLASSINFO(wxFrame)) )
1967 return;
1968
1969 int xp, yp;
1970 m_sizerParent->GetPosition(&xp, &yp);
1971 m_sizerParent->TransformSizerToActual(&xp, &yp);
1972 *x += xp;
1973 *y += yp;
1974 }
1975
1976 void wxWindow::SizerSetSize(int x, int y, int w, int h)
1977 {
1978 int xx = x;
1979 int yy = y;
1980 TransformSizerToActual(&xx, &yy);
1981 SetSize(xx, yy, w, h);
1982 }
1983
1984 void wxWindow::SizerMove(int x, int y)
1985 {
1986 int xx = x;
1987 int yy = y;
1988 TransformSizerToActual(&xx, &yy);
1989 Move(xx, yy);
1990 }
1991
1992 // Only set the size/position of the constraint (if any)
1993 void wxWindow::SetSizeConstraint(int x, int y, int w, int h)
1994 {
1995 wxLayoutConstraints *constr = GetConstraints();
1996 if (constr)
1997 {
1998 if (x != -1)
1999 {
2000 constr->left.SetValue(x);
2001 constr->left.SetDone(TRUE);
2002 }
2003 if (y != -1)
2004 {
2005 constr->top.SetValue(y);
2006 constr->top.SetDone(TRUE);
2007 }
2008 if (w != -1)
2009 {
2010 constr->width.SetValue(w);
2011 constr->width.SetDone(TRUE);
2012 }
2013 if (h != -1)
2014 {
2015 constr->height.SetValue(h);
2016 constr->height.SetDone(TRUE);
2017 }
2018 }
2019 }
2020
2021 void wxWindow::MoveConstraint(int x, int y)
2022 {
2023 wxLayoutConstraints *constr = GetConstraints();
2024 if (constr)
2025 {
2026 if (x != -1)
2027 {
2028 constr->left.SetValue(x);
2029 constr->left.SetDone(TRUE);
2030 }
2031 if (y != -1)
2032 {
2033 constr->top.SetValue(y);
2034 constr->top.SetDone(TRUE);
2035 }
2036 }
2037 }
2038
2039 void wxWindow::GetSizeConstraint(int *w, int *h) const
2040 {
2041 wxLayoutConstraints *constr = GetConstraints();
2042 if (constr)
2043 {
2044 *w = constr->width.GetValue();
2045 *h = constr->height.GetValue();
2046 }
2047 else
2048 GetSize(w, h);
2049 }
2050
2051 void wxWindow::GetClientSizeConstraint(int *w, int *h) const
2052 {
2053 wxLayoutConstraints *constr = GetConstraints();
2054 if (constr)
2055 {
2056 *w = constr->width.GetValue();
2057 *h = constr->height.GetValue();
2058 }
2059 else
2060 GetClientSize(w, h);
2061 }
2062
2063 void wxWindow::GetPositionConstraint(int *x, int *y) const
2064 {
2065 wxLayoutConstraints *constr = GetConstraints();
2066 if (constr)
2067 {
2068 *x = constr->left.GetValue();
2069 *y = constr->top.GetValue();
2070 }
2071 else
2072 GetPosition(x, y);
2073 }
2074
2075 bool wxWindow::Close(bool force)
2076 {
2077 wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId);
2078 event.SetEventObject(this);
2079 #if WXWIN_COMPATIBILITY
2080 event.SetForce(force);
2081 #endif
2082 event.SetCanVeto(!force);
2083
2084 return GetEventHandler()->ProcessEvent(event);
2085 }
2086
2087 wxObject* wxWindow::GetChild(int number) const
2088 {
2089 // Return a pointer to the Nth object in the window
2090 wxNode *node = GetChildren().First();
2091 int n = number;
2092 while (node && n--)
2093 node = node->Next() ;
2094 if (node)
2095 {
2096 wxObject *obj = (wxObject *)node->Data();
2097 return(obj) ;
2098 }
2099 else
2100 return NULL ;
2101 }
2102
2103 void wxWindow::OnDefaultAction(wxControl *initiatingItem)
2104 {
2105 // Obsolete function
2106 }
2107
2108 void wxWindow::Clear()
2109 {
2110 wxClientDC dc(this);
2111 wxBrush brush(GetBackgroundColour(), wxSOLID);
2112 dc.SetBackground(brush);
2113 dc.Clear();
2114 }
2115
2116 // Fits the panel around the items
2117 void wxWindow::Fit()
2118 {
2119 int maxX = 0;
2120 int maxY = 0;
2121 wxNode *node = GetChildren().First();
2122 while ( node )
2123 {
2124 wxWindow *win = (wxWindow *)node->Data();
2125 int wx, wy, ww, wh;
2126 win->GetPosition(&wx, &wy);
2127 win->GetSize(&ww, &wh);
2128 if ( wx + ww > maxX )
2129 maxX = wx + ww;
2130 if ( wy + wh > maxY )
2131 maxY = wy + wh;
2132
2133 node = node->Next();
2134 }
2135 SetClientSize(maxX + 5, maxY + 5);
2136 }
2137
2138 void wxWindow::SetValidator(const wxValidator& validator)
2139 {
2140 if ( m_windowValidator )
2141 delete m_windowValidator;
2142 m_windowValidator = validator.Clone();
2143
2144 if ( m_windowValidator )
2145 m_windowValidator->SetWindow(this) ;
2146 }
2147
2148 void wxWindow::SetClientObject( wxClientData *data )
2149 {
2150 if (m_clientObject) delete m_clientObject;
2151 m_clientObject = data;
2152 }
2153
2154 wxClientData *wxWindow::GetClientObject()
2155 {
2156 return m_clientObject;
2157 }
2158
2159 void wxWindow::SetClientData( void *data )
2160 {
2161 m_clientData = data;
2162 }
2163
2164 void *wxWindow::GetClientData()
2165 {
2166 return m_clientData;
2167 }
2168
2169 // Find a window by id or name
2170 wxWindow *wxWindow::FindWindow(long id)
2171 {
2172 if ( GetId() == id)
2173 return this;
2174
2175 wxNode *node = GetChildren().First();
2176 while ( node )
2177 {
2178 wxWindow *child = (wxWindow *)node->Data();
2179 wxWindow *found = child->FindWindow(id);
2180 if ( found )
2181 return found;
2182 node = node->Next();
2183 }
2184 return NULL;
2185 }
2186
2187 wxWindow *wxWindow::FindWindow(const wxString& name)
2188 {
2189 if ( GetName() == name)
2190 return this;
2191
2192 wxNode *node = GetChildren().First();
2193 while ( node )
2194 {
2195 wxWindow *child = (wxWindow *)node->Data();
2196 wxWindow *found = child->FindWindow(name);
2197 if ( found )
2198 return found;
2199 node = node->Next();
2200 }
2201 return NULL;
2202 }
2203
2204 void wxWindow::OnIdle(wxIdleEvent& event)
2205 {
2206 // This calls the UI-update mechanism (querying windows for
2207 // menu/toolbar/control state information)
2208 UpdateWindowUI();
2209 }
2210
2211 // Raise the window to the top of the Z order
2212 void wxWindow::Raise()
2213 {
2214 Window window = XtWindow((Widget) GetTopWidget());
2215 XRaiseWindow(XtDisplay((Widget) GetTopWidget()), window);
2216 }
2217
2218 // Lower the window to the bottom of the Z order
2219 void wxWindow::Lower()
2220 {
2221 Window window = XtWindow((Widget) GetTopWidget());
2222 XLowerWindow(XtDisplay((Widget) GetTopWidget()), window);
2223 }
2224
2225 bool wxWindow::AcceptsFocus() const
2226 {
2227 return IsShown() && IsEnabled();
2228 }
2229
2230 // Update region access
2231 wxRegion& wxWindow::GetUpdateRegion() const
2232 {
2233 return (wxRegion&) m_updateRegion;
2234 }
2235
2236 bool wxWindow::IsExposed(int x, int y, int w, int h) const
2237 {
2238 return (m_updateRegion.Contains(x, y, w, h) != wxOutRegion);
2239 }
2240
2241 bool wxWindow::IsExposed(const wxPoint& pt) const
2242 {
2243 return (m_updateRegion.Contains(pt) != wxOutRegion);
2244 }
2245
2246 bool wxWindow::IsExposed(const wxRect& rect) const
2247 {
2248 return (m_updateRegion.Contains(rect) != wxOutRegion);
2249 }
2250
2251 /*
2252 * Allocates control IDs
2253 */
2254
2255 int wxWindow::NewControlId()
2256 {
2257 static int s_controlId = 0;
2258 s_controlId ++;
2259 return s_controlId;
2260 }
2261
2262 void wxWindow::SetAcceleratorTable(const wxAcceleratorTable& accel)
2263 {
2264 m_acceleratorTable = accel;
2265 }
2266
2267 // All widgets should have this as their resize proc.
2268 // OnSize sent to wxWindow via client data.
2269 void wxWidgetResizeProc(Widget w, XConfigureEvent *event, String args[], int *num_args)
2270 {
2271 wxWindow *win = (wxWindow *)wxWidgetHashTable->Get((long)w);
2272 if (!win)
2273 return;
2274
2275 if (win->PreResize())
2276 {
2277 int width, height;
2278 win->GetSize(&width, &height);
2279 wxSizeEvent sizeEvent(wxSize(width, height), win->GetId());
2280 sizeEvent.SetEventObject(win);
2281 win->GetEventHandler()->ProcessEvent(sizeEvent);
2282 }
2283 }
2284
2285 bool wxAddWindowToTable(Widget w, wxWindow *win)
2286 {
2287 wxWindow *oldItem = NULL;
2288 // printf("Adding widget %ld, name = %s\n", w, win->GetClassInfo()->GetClassName());
2289 if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
2290 {
2291 wxLogError("Widget table clash: new widget is %ld, %s", (long)w, win->GetClassInfo()->GetClassName());
2292 return FALSE;
2293 }
2294
2295 wxWidgetHashTable->Put ((long) w, win);
2296 return TRUE;
2297 }
2298
2299 wxWindow *wxGetWindowFromTable(Widget w)
2300 {
2301 return (wxWindow *)wxWidgetHashTable->Get ((long) w);
2302 }
2303
2304 void wxDeleteWindowFromTable(Widget w)
2305 {
2306 wxWidgetHashTable->Delete((long)w);
2307 }
2308
2309 // Get the underlying X window and display
2310 WXWindow wxWindow::GetXWindow() const
2311 {
2312 if (GetMainWidget())
2313 return (WXWindow) XtWindow((Widget) GetMainWidget());
2314 else
2315 return (WXWindow) 0;
2316 }
2317
2318 WXDisplay *wxWindow::GetXDisplay() const
2319 {
2320 if (GetMainWidget())
2321 return (WXDisplay*) XtDisplay((Widget) GetMainWidget());
2322 else
2323 return (WXDisplay*) NULL;
2324 }
2325
2326 WXWidget wxWindow::GetMainWidget() const
2327 {
2328 if (m_drawingArea)
2329 return m_drawingArea;
2330 else
2331 return m_mainWidget;
2332 }
2333
2334 WXWidget wxWindow::GetClientWidget() const
2335 {
2336 if (m_drawingArea != (WXWidget) 0)
2337 return m_drawingArea;
2338 else
2339 return GetMainWidget();
2340 }
2341
2342 WXWidget wxWindow::GetTopWidget() const
2343 {
2344 return GetMainWidget();
2345 }
2346
2347 void wxCanvasRepaintProc (Widget drawingArea, XtPointer clientData,
2348 XmDrawingAreaCallbackStruct * cbs)
2349 {
2350 if (!wxWidgetHashTable->Get ((long) (Widget) drawingArea))
2351 return;
2352
2353 XEvent * event = cbs->event;
2354 wxWindow * win = (wxWindow *) clientData;
2355 Display * display = (Display *) win->GetXDisplay();
2356
2357 switch (event->type)
2358 {
2359 case Expose:
2360 {
2361 wxRect* rect = new wxRect(event->xexpose.x, event->xexpose.y,
2362 event->xexpose.width, event->xexpose.height);
2363 /*
2364 cout << "Expose proc. wxRect: " << rect->x << ", " << rect->y << ", ";
2365 cout << rect->width << ", " << rect->height << "\n\n";
2366 */
2367
2368 win->m_updateRects.Append((wxObject*) rect);
2369
2370 if (event -> xexpose.count == 0)
2371 {
2372 /*
2373 wxPaintEvent event(win->GetId());
2374 event.SetEventObject(win);
2375 win->GetEventHandler()->ProcessEvent(event);
2376 */
2377
2378 win->DoPaint();
2379 win->ClearUpdateRects();
2380 }
2381 break;
2382 }
2383 default:
2384 {
2385 cout << "\n\nNew Event ! is = " << event -> type << "\n";
2386 break;
2387 }
2388 }
2389 }
2390
2391 // Unable to deal with Enter/Leave without a separate EventHandler (Motif 1.1.4)
2392 void
2393 wxCanvasEnterLeave (Widget drawingArea, XtPointer clientData, XCrossingEvent * event)
2394 {
2395 XmDrawingAreaCallbackStruct cbs;
2396 XEvent ev;
2397
2398 //if (event->mode!=NotifyNormal)
2399 // return ;
2400
2401 // ev = *((XEvent *) event); // Causes Purify error (copying too many bytes)
2402 ((XCrossingEvent &) ev) = *event;
2403
2404 cbs.reason = XmCR_INPUT;
2405 cbs.event = &ev;
2406
2407 wxCanvasInputEvent (drawingArea, (XtPointer) NULL, &cbs);
2408 }
2409
2410 // Fix to make it work under Motif 1.0 (!)
2411 void wxCanvasMotionEvent (Widget drawingArea, XButtonEvent * event)
2412 {
2413 #if XmVersion<=1000
2414
2415 XmDrawingAreaCallbackStruct cbs;
2416 XEvent ev;
2417
2418 //ev.xbutton = *event;
2419 ev = *((XEvent *) event);
2420 cbs.reason = XmCR_INPUT;
2421 cbs.event = &ev;
2422
2423 wxCanvasInputEvent (drawingArea, (XtPointer) NULL, &cbs);
2424 #endif
2425 }
2426
2427 void wxCanvasInputEvent (Widget drawingArea, XtPointer data, XmDrawingAreaCallbackStruct * cbs)
2428 {
2429 wxWindow *canvas = (wxWindow *) wxWidgetHashTable->Get ((long) (Widget) drawingArea);
2430 XEvent local_event;
2431
2432 if (canvas==NULL)
2433 return ;
2434
2435 if (cbs->reason != XmCR_INPUT)
2436 return;
2437
2438 local_event = *(cbs->event); // We must keep a copy!
2439
2440 /*
2441 switch (local_event.xany.type)
2442 {
2443 case EnterNotify:
2444 cout << "EnterNotify\n";
2445 break;
2446 case LeaveNotify:
2447 cout << "LeaveNotify\n";
2448 break;
2449 case ButtonPress:
2450 cout << "ButtonPress\n";
2451 break;
2452 case ButtonRelease:
2453 cout << "ButtonRelease\n";
2454 break;
2455 case MotionNotify:
2456 cout << "MotionNotify\n";
2457 break;
2458 default:
2459 cout << "Something else\n";
2460 break;
2461 }
2462 */
2463
2464 switch (local_event.xany.type)
2465 {
2466 case EnterNotify:
2467 case LeaveNotify:
2468 case ButtonPress:
2469 case ButtonRelease:
2470 case MotionNotify:
2471 {
2472 wxEventType eventType = wxEVT_NULL;
2473
2474 if (local_event.xany.type == EnterNotify)
2475 {
2476 //if (local_event.xcrossing.mode!=NotifyNormal)
2477 // return ; // Ignore grab events
2478 eventType = wxEVT_ENTER_WINDOW;
2479 // canvas->GetEventHandler()->OnSetFocus();
2480 }
2481 else if (local_event.xany.type == LeaveNotify)
2482 {
2483 //if (local_event.xcrossing.mode!=NotifyNormal)
2484 // return ; // Ignore grab events
2485 eventType = wxEVT_LEAVE_WINDOW;
2486 // canvas->GetEventHandler()->OnKillFocus();
2487 }
2488 else if (local_event.xany.type == MotionNotify)
2489 {
2490 eventType = wxEVT_MOTION;
2491 if (local_event.xmotion.is_hint == NotifyHint)
2492 {
2493 Window root, child;
2494 Display *dpy = XtDisplay (drawingArea);
2495
2496 XQueryPointer (dpy, XtWindow (drawingArea),
2497 &root, &child,
2498 &local_event.xmotion.x_root,
2499 &local_event.xmotion.y_root,
2500 &local_event.xmotion.x,
2501 &local_event.xmotion.y,
2502 &local_event.xmotion.state);
2503 }
2504 else
2505 {
2506 }
2507 }
2508
2509 else if (local_event.xany.type == ButtonPress)
2510 {
2511 if (local_event.xbutton.button == Button1)
2512 {
2513 eventType = wxEVT_LEFT_DOWN;
2514 canvas->m_button1Pressed = TRUE;
2515 }
2516 else if (local_event.xbutton.button == Button2)
2517 {
2518 eventType = wxEVT_MIDDLE_DOWN;
2519 canvas->m_button2Pressed = TRUE;
2520 }
2521 else if (local_event.xbutton.button == Button3)
2522 {
2523 eventType = wxEVT_RIGHT_DOWN;
2524 canvas->m_button3Pressed = TRUE;
2525 }
2526 }
2527 else if (local_event.xany.type == ButtonRelease)
2528 {
2529 if (local_event.xbutton.button == Button1)
2530 {
2531 eventType = wxEVT_LEFT_UP;
2532 canvas->m_button1Pressed = FALSE;
2533 }
2534 else if (local_event.xbutton.button == Button2)
2535 {
2536 eventType = wxEVT_MIDDLE_UP;
2537 canvas->m_button2Pressed = FALSE;
2538 }
2539 else if (local_event.xbutton.button == Button3)
2540 {
2541 eventType = wxEVT_RIGHT_UP;
2542 canvas->m_button3Pressed = FALSE;
2543 }
2544 }
2545
2546 wxMouseEvent wxevent (eventType);
2547 wxevent.m_eventHandle = (char *) &local_event;
2548
2549 wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2550 || (event_left_is_down (&local_event)
2551 && (eventType != wxEVT_LEFT_UP)));
2552 wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2553 || (event_middle_is_down (&local_event)
2554 && (eventType != wxEVT_MIDDLE_UP)));
2555 wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2556 || (event_right_is_down (&local_event)
2557 && (eventType != wxEVT_RIGHT_UP)));
2558
2559 wxevent.m_shiftDown = local_event.xbutton.state & ShiftMask;
2560 wxevent.m_controlDown = local_event.xbutton.state & ControlMask;
2561 wxevent.m_altDown = local_event.xbutton.state & Mod3Mask;
2562 wxevent.m_metaDown = local_event.xbutton.state & Mod1Mask;
2563 wxevent.SetTimestamp(local_event.xbutton.time);
2564
2565 // Now check if we need to translate this event into a double click
2566 if (TRUE) // canvas->doubleClickAllowed)
2567 {
2568 if (wxevent.ButtonDown())
2569 {
2570 long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay()) ;
2571
2572 // get button and time-stamp
2573 int button = 0;
2574 if (wxevent.LeftDown()) button = 1;
2575 else if (wxevent.MiddleDown()) button = 2;
2576 else if (wxevent.RightDown()) button = 3;
2577 long ts = wxevent.GetTimestamp();
2578 // check, if single or double click
2579 if (canvas->m_lastButton && canvas->m_lastButton==button && (ts - canvas->m_lastTS) < dclickTime)
2580 {
2581 // I have a dclick
2582 canvas->m_lastButton = 0;
2583 switch ( eventType )
2584 {
2585 case wxEVT_LEFT_DOWN:
2586 wxevent.SetEventType(wxEVT_LEFT_DCLICK);
2587 break;
2588 case wxEVT_MIDDLE_DOWN:
2589 wxevent.SetEventType(wxEVT_MIDDLE_DCLICK);
2590 break;
2591 case wxEVT_RIGHT_DOWN:
2592 wxevent.SetEventType(wxEVT_RIGHT_DCLICK);
2593 break;
2594
2595 default :
2596 break;
2597 }
2598
2599 }
2600 else
2601 {
2602 // not fast enough or different button
2603 canvas->m_lastTS = ts;
2604 canvas->m_lastButton = button;
2605 }
2606 }
2607 }
2608
2609 wxevent.SetId(canvas->GetId());
2610 wxevent.SetEventObject(canvas);
2611 wxevent.m_x = local_event.xbutton.x;
2612 wxevent.m_y = local_event.xbutton.y;
2613 canvas->GetEventHandler()->ProcessEvent (wxevent);
2614 /*
2615 if (eventType == wxEVT_ENTER_WINDOW ||
2616 eventType == wxEVT_LEAVE_WINDOW ||
2617 eventType == wxEVT_MOTION
2618 )
2619 return;
2620 */
2621 break;
2622 }
2623 case KeyPress:
2624 {
2625 KeySym keySym;
2626 // XComposeStatus compose;
2627 // (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, &compose);
2628 (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2629 int id = wxCharCodeXToWX (keySym);
2630
2631 wxEventType eventType = wxEVT_CHAR;
2632
2633 wxKeyEvent event (eventType);
2634
2635 if (local_event.xkey.state & ShiftMask)
2636 event.m_shiftDown = TRUE;
2637 if (local_event.xkey.state & ControlMask)
2638 event.m_controlDown = TRUE;
2639 if (local_event.xkey.state & Mod3Mask)
2640 event.m_altDown = TRUE;
2641 if (local_event.xkey.state & Mod1Mask)
2642 event.m_metaDown = TRUE;
2643 event.SetEventObject(canvas);
2644 event.m_keyCode = id;
2645 event.SetTimestamp(local_event.xkey.time);
2646
2647 if (id > -1)
2648 {
2649 // Implement wxFrame::OnCharHook by checking ancestor.
2650 wxWindow *parent = canvas->GetParent();
2651 while (parent && !parent->IsKindOf(CLASSINFO(wxFrame)))
2652 parent = parent->GetParent();
2653
2654 if (parent)
2655 {
2656 event.SetEventType(wxEVT_CHAR_HOOK);
2657 if (parent->GetEventHandler()->ProcessEvent(event))
2658 return;
2659 }
2660
2661 // For simplicity, OnKeyDown is the same as OnChar
2662 // TODO: filter modifier key presses from OnChar
2663 event.SetEventType(wxEVT_KEY_DOWN);
2664
2665 // Only process OnChar if OnKeyDown didn't swallow it
2666 if (!canvas->GetEventHandler()->ProcessEvent (event))
2667 {
2668 event.SetEventType(wxEVT_CHAR);
2669 canvas->GetEventHandler()->ProcessEvent (event);
2670 }
2671 }
2672 break;
2673 }
2674 case KeyRelease:
2675 {
2676 KeySym keySym;
2677 (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2678 int id = wxCharCodeXToWX (keySym);
2679
2680 wxKeyEvent event (wxEVT_KEY_UP);
2681
2682 if (local_event.xkey.state & ShiftMask)
2683 event.m_shiftDown = TRUE;
2684 if (local_event.xkey.state & ControlMask)
2685 event.m_controlDown = TRUE;
2686 if (local_event.xkey.state & Mod3Mask)
2687 event.m_altDown = TRUE;
2688 if (local_event.xkey.state & Mod1Mask)
2689 event.m_metaDown = TRUE;
2690 event.SetEventObject(canvas);
2691 event.m_keyCode = id;
2692 event.SetTimestamp(local_event.xkey.time);
2693
2694 if (id > -1)
2695 {
2696 canvas->GetEventHandler()->ProcessEvent (event);
2697 }
2698 break;
2699 }
2700 case FocusIn:
2701 {
2702 if (local_event.xfocus.detail != NotifyPointer)
2703 {
2704 wxFocusEvent event(wxEVT_SET_FOCUS, canvas->GetId());
2705 event.SetEventObject(canvas);
2706 canvas->GetEventHandler()->ProcessEvent(event);
2707 }
2708 break;
2709 }
2710 case FocusOut:
2711 {
2712 if (local_event.xfocus.detail != NotifyPointer)
2713 {
2714 wxFocusEvent event(wxEVT_KILL_FOCUS, canvas->GetId());
2715 event.SetEventObject(canvas);
2716 canvas->GetEventHandler()->ProcessEvent(event);
2717 }
2718 break;
2719 }
2720 default:
2721 break;
2722 }
2723 }
2724
2725 void wxWindow::DoPaint()
2726 {
2727 //TODO : make a temporary gc so we can do the XCopyArea below
2728 if (m_backingPixmap && !m_needsRefresh)
2729 {
2730 wxPaintDC dc(this);
2731
2732 GC tempGC = (GC) dc.GetBackingGC();
2733
2734 Widget widget = (Widget) GetMainWidget();
2735
2736 int scrollPosX = 0;
2737 int scrollPosY = 0;
2738
2739 // We have to test whether it's a wxScrolledWindow (hack!)
2740 // because otherwise we don't know how many pixels have been
2741 // scrolled. We might solve this in the future by defining
2742 // virtual wxWindow functions to get the scroll position in pixels.
2743 // Or, each kind of scrolled window has to implement backing
2744 // stores itself, using generic wxWindows code.
2745 if (this->IsKindOf(CLASSINFO(wxScrolledWindow)))
2746 {
2747 wxScrolledWindow* scrolledWindow = (wxScrolledWindow*) this;
2748 int x, y;
2749 scrolledWindow->CalcScrolledPosition(0, 0, & x, & y);
2750
2751 scrollPosX = - x;
2752 scrollPosY = - y;
2753 }
2754
2755 // TODO: This could be optimized further by only copying the
2756 // areas in the current update region.
2757
2758 // Only blit the part visible in the client area. The backing pixmap
2759 // always starts at 0, 0 but we may be looking at only a portion of it.
2760 wxSize clientArea = GetClientSize();
2761 int toBlitX = m_pixmapWidth - scrollPosX;
2762 int toBlitY = m_pixmapHeight - scrollPosY;
2763
2764 // Copy whichever is samller, the amount of pixmap we have to copy,
2765 // or the size of the client area.
2766 toBlitX = wxMin(toBlitX, clientArea.x);
2767 toBlitY = wxMin(toBlitY, clientArea.y);
2768
2769 // Make sure we're not negative
2770 toBlitX = wxMax(0, toBlitX);
2771 toBlitY = wxMax(0, toBlitY);
2772
2773 XCopyArea (XtDisplay (widget), (Pixmap) m_backingPixmap, XtWindow (widget), tempGC,
2774 scrollPosX, scrollPosY, // Start at the scroll position
2775 toBlitX, toBlitY, // How much of the pixmap to copy
2776 0, 0); // Destination
2777 }
2778 else
2779 {
2780 // Set an erase event first
2781 wxEraseEvent eraseEvent(GetId());
2782 eraseEvent.SetEventObject(this);
2783 GetEventHandler()->ProcessEvent(eraseEvent);
2784
2785 wxPaintEvent event(GetId());
2786 event.SetEventObject(this);
2787 GetEventHandler()->ProcessEvent(event);
2788
2789 m_needsRefresh = FALSE;
2790 }
2791 }
2792
2793 // SetSize, but as per old wxCanvas (with drawing widget etc.)
2794 void wxWindow::CanvasSetSize (int x, int y, int w, int h, int sizeFlags)
2795 {
2796 // A bit of optimization to help sort out the flickers.
2797 int oldX, oldY, oldW, oldH;
2798 GetSize(& oldW, & oldH);
2799 GetPosition(& oldX, & oldY);
2800
2801 bool useOldPos = FALSE;
2802 bool useOldSize = FALSE;
2803
2804 if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
2805 useOldPos = TRUE;
2806 else if (x == oldX && y == oldY)
2807 useOldPos = TRUE;
2808
2809 if ((w == -1) && (h == -1))
2810 useOldSize = TRUE;
2811 else if (w == oldW && h == oldH)
2812 useOldSize = TRUE;
2813
2814 if (!wxNoOptimize::CanOptimize())
2815 {
2816 useOldSize = FALSE; useOldPos = FALSE;
2817 }
2818
2819 if (useOldPos && useOldSize)
2820 return;
2821
2822 Widget drawingArea = (Widget) m_drawingArea;
2823 bool managed = XtIsManaged(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2824
2825 if (managed)
2826 XtUnmanageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2827 XtVaSetValues((Widget) m_drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2828
2829 int xx = x; int yy = y;
2830 AdjustForParentClientOrigin(xx, yy, sizeFlags);
2831
2832 if (!useOldPos)
2833 {
2834 if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2835 {
2836 XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2837 XmNx, xx, NULL);
2838 }
2839
2840 if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2841 {
2842 XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2843 XmNy, yy, NULL);
2844 }
2845 }
2846
2847 if (!useOldSize)
2848 {
2849
2850 if (w > -1)
2851 {
2852 if (m_borderWidget)
2853 {
2854 XtVaSetValues ((Widget) m_borderWidget, XmNwidth, w, NULL);
2855 short thick, margin;
2856 XtVaGetValues ((Widget) m_borderWidget,
2857 XmNshadowThickness, &thick,
2858 XmNmarginWidth, &margin,
2859 NULL);
2860 w -= 2 * (thick + margin);
2861 }
2862
2863 XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
2864
2865 Dimension spacing;
2866 Widget sbar;
2867 XtVaGetValues ((Widget) m_scrolledWindow,
2868 XmNspacing, &spacing,
2869 XmNverticalScrollBar, &sbar,
2870 NULL);
2871 Dimension wsbar;
2872 if (sbar)
2873 XtVaGetValues (sbar, XmNwidth, &wsbar, NULL);
2874 else
2875 wsbar = 0;
2876
2877 w -= (spacing + wsbar);
2878
2879 // XtVaSetValues ((Widget) m_drawingArea, XmNwidth, w, NULL);
2880 }
2881 if (h > -1)
2882 {
2883 if (m_borderWidget)
2884 {
2885 XtVaSetValues ((Widget) m_borderWidget, XmNheight, h, NULL);
2886 short thick, margin;
2887 XtVaGetValues ((Widget) m_borderWidget,
2888 XmNshadowThickness, &thick,
2889 XmNmarginHeight, &margin,
2890 NULL);
2891 h -= 2 * (thick + margin);
2892 }
2893
2894 XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
2895
2896 Dimension spacing;
2897 Widget sbar;
2898 XtVaGetValues ((Widget) m_scrolledWindow,
2899 XmNspacing, &spacing,
2900 XmNhorizontalScrollBar, &sbar,
2901 NULL);
2902 Dimension wsbar;
2903 if (sbar)
2904 XtVaGetValues (sbar, XmNheight, &wsbar, NULL);
2905 else
2906 wsbar = 0;
2907
2908 h -= (spacing + wsbar);
2909
2910 // XtVaSetValues ((Widget) m_drawingArea, XmNheight, h, NULL);
2911
2912 }
2913 }
2914
2915 if (managed)
2916 XtManageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2917 XtVaSetValues((Widget) m_drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2918
2919 /*
2920 int ww, hh;
2921 GetClientSize (&ww, &hh);
2922 wxSizeEvent sizeEvent(wxSize(ww, hh), GetId());
2923 sizeEvent.SetEventObject(this);
2924
2925 GetEventHandler()->ProcessEvent(sizeEvent);
2926 */
2927
2928 }
2929
2930 void wxWindow::CanvasSetClientSize (int w, int h)
2931 {
2932 Widget drawingArea = (Widget) m_drawingArea;
2933
2934 XtVaSetValues((Widget) m_drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2935
2936 if (w > -1)
2937 XtVaSetValues ((Widget) m_drawingArea, XmNwidth, w, NULL);
2938 if (h > -1)
2939 XtVaSetValues ((Widget) m_drawingArea, XmNheight, h, NULL);
2940 /* TODO: is this necessary?
2941 allowRepainting = FALSE;
2942
2943 XSync (XtDisplay (drawingArea), FALSE);
2944 XEvent event;
2945 while (XtAppPending (wxTheApp->appContext))
2946 {
2947 XFlush (XtDisplay (drawingArea));
2948 XtAppNextEvent (wxTheApp->appContext, &event);
2949 XtDispatchEvent (&event);
2950 }
2951 */
2952
2953 XtVaSetValues((Widget) m_drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2954
2955 /* TODO
2956 allowRepainting = TRUE;
2957 DoRefresh ();
2958 */
2959
2960 /*
2961 wxSizeEvent sizeEvent(wxSize(w, h), GetId());
2962 sizeEvent.SetEventObject(this);
2963
2964 GetEventHandler()->ProcessEvent(sizeEvent);
2965 */
2966 }
2967
2968 void wxWindow::CanvasGetClientSize (int *w, int *h) const
2969 {
2970 // Must return the same thing that was set via SetClientSize
2971 Dimension xx, yy;
2972 XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2973 *w = xx;
2974 *h = yy;
2975 }
2976
2977 void wxWindow::CanvasGetSize (int *w, int *h) const
2978 {
2979 Dimension xx, yy;
2980 if ((Widget) m_borderWidget)
2981 XtVaGetValues ((Widget) m_borderWidget, XmNwidth, &xx, XmNheight, &yy, NULL);
2982 else if ((Widget) m_scrolledWindow)
2983 XtVaGetValues ((Widget) m_scrolledWindow, XmNwidth, &xx, XmNheight, &yy, NULL);
2984 else
2985 XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2986
2987 *w = xx;
2988 *h = yy;
2989 }
2990
2991 void wxWindow::CanvasGetPosition (int *x, int *y) const
2992 {
2993 Position xx, yy;
2994 XtVaGetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow, XmNx, &xx, XmNy, &yy, NULL);
2995
2996 // We may be faking the client origin.
2997 // So a window that's really at (0, 30) may appear
2998 // (to wxWin apps) to be at (0, 0).
2999 if (GetParent())
3000 {
3001 wxPoint pt(GetParent()->GetClientAreaOrigin());
3002 xx -= pt.x;
3003 yy -= pt.y;
3004 }
3005
3006 *x = xx;
3007 *y = yy;
3008 }
3009
3010 // Add to hash table, add event handler
3011 bool wxWindow::AttachWidget (wxWindow* parent, WXWidget mainWidget,
3012 WXWidget formWidget, int x, int y, int width, int height)
3013 {
3014 wxAddWindowToTable((Widget) mainWidget, this);
3015 if (CanAddEventHandler())
3016 {
3017 XtAddEventHandler((Widget) mainWidget,
3018 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
3019 False,
3020 wxPanelItemEventHandler,
3021 (XtPointer) this);
3022 }
3023
3024 if (!formWidget)
3025 {
3026 XtTranslations ptr;
3027 XtOverrideTranslations ((Widget) mainWidget,
3028 ptr = XtParseTranslationTable ("<Configure>: resize()"));
3029 XtFree ((char *) ptr);
3030 }
3031
3032 // Some widgets have a parent form widget, e.g. wxRadioBox
3033 if (formWidget)
3034 {
3035 if (!wxAddWindowToTable((Widget) formWidget, this))
3036 return FALSE;
3037
3038 XtTranslations ptr;
3039 XtOverrideTranslations ((Widget) formWidget,
3040 ptr = XtParseTranslationTable ("<Configure>: resize()"));
3041 XtFree ((char *) ptr);
3042 }
3043
3044 if (x == -1)
3045 x = 0;
3046 if (y == -1)
3047 y = 0;
3048 SetSize (x, y, width, height);
3049
3050 return TRUE;
3051 }
3052
3053 // Remove event handler, remove from hash table
3054 bool wxWindow::DetachWidget(WXWidget widget)
3055 {
3056 if (CanAddEventHandler())
3057 {
3058 XtRemoveEventHandler((Widget) widget,
3059 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
3060 False,
3061 wxPanelItemEventHandler,
3062 (XtPointer)this);
3063 }
3064
3065 wxDeleteWindowFromTable((Widget) widget);
3066 return TRUE;
3067 }
3068
3069 void wxPanelItemEventHandler (Widget wid,
3070 XtPointer client_data,
3071 XEvent* event,
3072 Boolean *continueToDispatch)
3073 {
3074 // Widget can be a label or the actual widget.
3075
3076 wxWindow *window = (wxWindow *)wxWidgetHashTable->Get((long)wid);
3077 if (window)
3078 {
3079 wxMouseEvent wxevent(0);
3080 if (wxTranslateMouseEvent(wxevent, window, wid, event))
3081 {
3082 window->GetEventHandler()->ProcessEvent(wxevent);
3083 }
3084 }
3085 // TODO: probably the key to allowing default behaviour
3086 // to happen.
3087 // Say we set a m_doDefault flag to FALSE at the start of this
3088 // function. Then in e.g. wxWindow::OnMouseEvent we can
3089 // call Default() which sets this flag to TRUE, indicating
3090 // that default processing can happen. Thus, behaviour can appear
3091 // to be overridden just by adding an event handler and not calling
3092 // wxWindow::OnWhatever.
3093 // ALSO, maybe we can use this instead of the current way of handling
3094 // drawing area events, to simplify things.
3095 *continueToDispatch = True;
3096 }
3097
3098 static void wxScrollBarCallback(Widget scrollbar, XtPointer clientData,
3099 XmScaleCallbackStruct *cbs)
3100 {
3101 Widget scrolledWindow = XtParent (scrollbar);
3102 wxWindow *win = (wxWindow *) wxWidgetHashTable->Get ((long) scrolledWindow);
3103 int orientation = (int) clientData;
3104
3105 wxEventType eventType = wxEVT_NULL;
3106 switch (cbs->reason)
3107 {
3108 case XmCR_INCREMENT:
3109 {
3110 eventType = wxEVT_SCROLL_LINEDOWN;
3111 break;
3112 }
3113 case XmCR_DECREMENT:
3114 {
3115 eventType = wxEVT_SCROLL_LINEUP;
3116 break;
3117 }
3118 case XmCR_DRAG:
3119 {
3120 eventType = wxEVT_SCROLL_THUMBTRACK;
3121 break;
3122 }
3123 case XmCR_VALUE_CHANGED:
3124 {
3125 // TODO: Should this be intercepted too, or will it cause
3126 // duplicate events?
3127 eventType = wxEVT_SCROLL_THUMBTRACK;
3128 break;
3129 }
3130 case XmCR_PAGE_INCREMENT:
3131 {
3132 eventType = wxEVT_SCROLL_PAGEDOWN;
3133 break;
3134 }
3135 case XmCR_PAGE_DECREMENT:
3136 {
3137 eventType = wxEVT_SCROLL_PAGEUP;
3138 break;
3139 }
3140 case XmCR_TO_TOP:
3141 {
3142 eventType = wxEVT_SCROLL_TOP;
3143 break;
3144 }
3145 case XmCR_TO_BOTTOM:
3146 {
3147 eventType = wxEVT_SCROLL_BOTTOM;
3148 break;
3149 }
3150 default:
3151 {
3152 // Should never get here
3153 wxFAIL_MSG("Unknown scroll event.");
3154 break;
3155 }
3156 }
3157
3158 wxScrollEvent event(eventType, win->GetId());
3159 event.SetEventObject(win);
3160 event.SetPosition(cbs->value);
3161 event.SetOrientation( (orientation == XmHORIZONTAL) ? wxHORIZONTAL : wxVERTICAL );
3162
3163 win->GetEventHandler()->ProcessEvent(event);
3164 }
3165
3166 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
3167 {
3168 switch (xevent->xany.type)
3169 {
3170 case EnterNotify:
3171 case LeaveNotify:
3172 case ButtonPress:
3173 case ButtonRelease:
3174 case MotionNotify:
3175 {
3176 wxEventType eventType = wxEVT_NULL;
3177
3178 if (xevent->xany.type == LeaveNotify)
3179 {
3180 win->m_button1Pressed = FALSE;
3181 win->m_button2Pressed = FALSE;
3182 win->m_button3Pressed = FALSE;
3183 return FALSE;
3184 }
3185 else if (xevent->xany.type == MotionNotify)
3186 {
3187 eventType = wxEVT_MOTION;
3188 }
3189 else if (xevent->xany.type == ButtonPress)
3190 {
3191 if (xevent->xbutton.button == Button1)
3192 {
3193 eventType = wxEVT_LEFT_DOWN;
3194 win->m_button1Pressed = TRUE;
3195 }
3196 else if (xevent->xbutton.button == Button2)
3197 {
3198 eventType = wxEVT_MIDDLE_DOWN;
3199 win->m_button2Pressed = TRUE;
3200 }
3201 else if (xevent->xbutton.button == Button3)
3202 {
3203 eventType = wxEVT_RIGHT_DOWN;
3204 win->m_button3Pressed = TRUE;
3205 }
3206 }
3207 else if (xevent->xany.type == ButtonRelease)
3208 {
3209 if (xevent->xbutton.button == Button1)
3210 {
3211 eventType = wxEVT_LEFT_UP;
3212 win->m_button1Pressed = FALSE;
3213 }
3214 else if (xevent->xbutton.button == Button2)
3215 {
3216 eventType = wxEVT_MIDDLE_UP;
3217 win->m_button2Pressed = FALSE;
3218 }
3219 else if (xevent->xbutton.button == Button3)
3220 {
3221 eventType = wxEVT_RIGHT_UP;
3222 win->m_button3Pressed = FALSE;
3223 }
3224 else return FALSE;
3225 }
3226 else return FALSE;
3227
3228 wxevent.m_eventHandle = (char *)xevent;
3229 wxevent.SetEventType(eventType);
3230
3231 Position x1, y1;
3232 XtVaGetValues(widget, XmNx, &x1, XmNy, &y1, NULL);
3233
3234 int x2, y2;
3235 win->GetPosition(&x2, &y2);
3236
3237 // The button x/y must be translated to wxWindows
3238 // window space - the widget might be a label or button,
3239 // within a form.
3240 int dx = 0;
3241 int dy = 0;
3242 if (widget != (Widget)win->GetMainWidget())
3243 {
3244 dx = x1;
3245 dy = y1;
3246 }
3247
3248 wxevent.m_x = xevent->xbutton.x + dx;
3249 wxevent.m_y = xevent->xbutton.y + dy;
3250
3251 wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
3252 || (event_left_is_down (xevent)
3253 && (eventType != wxEVT_LEFT_UP)));
3254 wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
3255 || (event_middle_is_down (xevent)
3256 && (eventType != wxEVT_MIDDLE_UP)));
3257 wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
3258 || (event_right_is_down (xevent)
3259 && (eventType != wxEVT_RIGHT_UP)));
3260
3261 wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
3262 wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
3263 return TRUE;
3264 }
3265 }
3266 return FALSE;
3267 }
3268
3269 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
3270 {
3271 switch (xevent->xany.type)
3272 {
3273 case KeyPress:
3274 {
3275 char buf[20];
3276
3277 KeySym keySym;
3278 // XComposeStatus compose;
3279 // (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, &compose);
3280 (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
3281 int id = wxCharCodeXToWX (keySym);
3282
3283 if (xevent->xkey.state & ShiftMask)
3284 wxevent.m_shiftDown = TRUE;
3285 if (xevent->xkey.state & ControlMask)
3286 wxevent.m_controlDown = TRUE;
3287 if (xevent->xkey.state & Mod3Mask)
3288 wxevent.m_altDown = TRUE;
3289 if (xevent->xkey.state & Mod1Mask)
3290 wxevent.m_metaDown = TRUE;
3291 wxevent.SetEventObject(win);
3292 wxevent.m_keyCode = id;
3293 wxevent.SetTimestamp(xevent->xkey.time);
3294
3295 wxevent.m_x = xevent->xbutton.x;
3296 wxevent.m_y = xevent->xbutton.y;
3297
3298 if (id > -1)
3299 return TRUE;
3300 else
3301 return FALSE;
3302 break;
3303 }
3304 default:
3305 break;
3306 }
3307 return FALSE;
3308 }
3309
3310 #define YAllocColor XAllocColor
3311 XColor g_itemColors[5];
3312 int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
3313 {
3314 int result;
3315 static XmColorProc colorProc;
3316
3317 result = wxNO_COLORS;
3318
3319 if (back)
3320 {
3321 g_itemColors[0].red = (((long) back->Red ()) << 8);
3322 g_itemColors[0].green = (((long) back->Green ()) << 8);
3323 g_itemColors[0].blue = (((long) back->Blue ()) << 8);
3324 g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
3325 if (colorProc == (XmColorProc) NULL)
3326 {
3327 // Get a ptr to the actual function
3328 colorProc = XmSetColorCalculation ((XmColorProc) NULL);
3329 // And set it back to motif.
3330 XmSetColorCalculation (colorProc);
3331 }
3332 (*colorProc) (&g_itemColors[wxBACK_INDEX],
3333 &g_itemColors[wxFORE_INDEX],
3334 &g_itemColors[wxSELE_INDEX],
3335 &g_itemColors[wxTOPS_INDEX],
3336 &g_itemColors[wxBOTS_INDEX]);
3337 result = wxBACK_COLORS;
3338 }
3339 if (fore)
3340 {
3341 g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
3342 g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
3343 g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
3344 g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
3345 if (result == wxNO_COLORS)
3346 result = wxFORE_COLORS;
3347 }
3348
3349 Display *dpy = display;
3350 Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
3351
3352 if (back)
3353 {
3354 /* 5 Colours to allocate */
3355 for (int i = 0; i < 5; i++)
3356 if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
3357 result = wxNO_COLORS;
3358 }
3359 else if (fore)
3360 {
3361 /* Only 1 colour to allocate */
3362 if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
3363 result = wxNO_COLORS;
3364 }
3365
3366 return (result);
3367
3368 }
3369
3370 // Changes the foreground and background colours to be derived
3371 // from the current background colour.
3372 // To change the foreground colour, you must call SetForegroundColour
3373 // explicitly.
3374 void wxWindow::ChangeBackgroundColour()
3375 {
3376 if (GetMainWidget())
3377 DoChangeBackgroundColour(GetMainWidget(), m_backgroundColour);
3378
3379 // This not necessary
3380 #if 0
3381
3382 if (m_scrolledWindow && (GetMainWidget() != m_scrolledWindow))
3383 {
3384 DoChangeBackgroundColour(m_scrolledWindow, m_backgroundColour);
3385 // Have to set the scrollbar colours back since
3386 // the scrolled window seemed to change them
3387 wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE) ;
3388
3389 if (m_hScrollBar)
3390 DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
3391 if (m_vScrollBar)
3392 DoChangeBackgroundColour(m_vScrollBar, backgroundColour);
3393 }
3394 #endif
3395 }
3396
3397 void wxWindow::ChangeForegroundColour()
3398 {
3399 if (GetMainWidget())
3400 DoChangeForegroundColour(GetMainWidget(), m_foregroundColour);
3401 if (m_scrolledWindow && (GetMainWidget() != m_scrolledWindow))
3402 DoChangeForegroundColour(m_scrolledWindow, m_foregroundColour);
3403 }
3404
3405 // Change a widget's foreground and background colours.
3406
3407 void wxWindow::DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
3408 {
3409 // When should we specify the foreground, if it's calculated
3410 // by wxComputeColours?
3411 // Solution: say we start with the default (computed) foreground colour.
3412 // If we call SetForegroundColour explicitly for a control or window,
3413 // then the foreground is changed.
3414 // Therefore SetBackgroundColour computes the foreground colour, and
3415 // SetForegroundColour changes the foreground colour. The ordering is
3416 // important.
3417
3418 XtVaSetValues ((Widget) widget,
3419 XmNforeground, foregroundColour.AllocColour(XtDisplay((Widget) widget)),
3420 NULL);
3421 }
3422
3423 void wxWindow::DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
3424 {
3425 wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
3426 (wxColour*) NULL);
3427
3428 XtVaSetValues ((Widget) widget,
3429 XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
3430 XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
3431 XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
3432 XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
3433 NULL);
3434
3435 if (changeArmColour)
3436 XtVaSetValues ((Widget) widget,
3437 XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
3438 NULL);
3439 }
3440
3441 void wxWindow::SetBackgroundColour(const wxColour& col)
3442 {
3443 m_backgroundColour = col;
3444 ChangeBackgroundColour();
3445 }
3446
3447 void wxWindow::SetForegroundColour(const wxColour& col)
3448 {
3449 m_foregroundColour = col;
3450 ChangeForegroundColour();
3451 }
3452
3453 void wxWindow::ChangeFont(bool keepOriginalSize)
3454 {
3455 // Note that this causes the widget to be resized back
3456 // to its original size! We therefore have to set the size
3457 // back again. TODO: a better way in Motif?
3458 Widget w = (Widget) GetLabelWidget(); // Usually the main widget
3459 if (w && m_windowFont.Ok())
3460 {
3461 int width, height, width1, height1;
3462 GetSize(& width, & height);
3463
3464 // lesstif 0.87 hangs here
3465 #ifndef LESSTIF_VERSION
3466 XtVaSetValues (w,
3467 XmNfontList, (XmFontList) m_windowFont.GetFontList(1.0, XtDisplay(w)),
3468 NULL);
3469 #endif
3470
3471 GetSize(& width1, & height1);
3472 if (keepOriginalSize && (width != width1 || height != height1))
3473 {
3474 SetSize(-1, -1, width, height);
3475 }
3476 }
3477 }
3478
3479 void wxWindow::SetFont(const wxFont& font)
3480 {
3481 m_windowFont = font;
3482 ChangeFont();
3483 }
3484
3485 void wxWindow::SetToolTip(const wxString& tooltip)
3486 {
3487 // TODO
3488 }
3489
3490 void wxWindow::ClearUpdateRects()
3491 {
3492 wxNode* node = m_updateRects.First();
3493 while (node)
3494 {
3495 wxRect* rect = (wxRect*) node->Data();
3496 delete rect;
3497 node = node->Next();
3498 }
3499 m_updateRects.Clear();
3500 }
3501
3502 bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
3503 {
3504 if (!m_acceleratorTable.Ok())
3505 return FALSE;
3506
3507 int count = m_acceleratorTable.GetCount();
3508 wxAcceleratorEntry* entries = m_acceleratorTable.GetEntries();
3509 int i;
3510 for (i = 0; i < count; i++)
3511 {
3512 wxAcceleratorEntry* entry = & (entries[i]);
3513 if (entry->MatchesEvent(event))
3514 {
3515 // Bingo, we have a match. Now find a control
3516 // that matches the entry command id.
3517
3518 // Need to go up to the top of the window hierarchy,
3519 // since it might be e.g. a menu item
3520 wxWindow* parent = this;
3521 while (parent && !parent->IsKindOf(CLASSINFO(wxFrame)) && !parent->IsKindOf(CLASSINFO(wxDialog)))
3522 parent = parent->GetParent();
3523
3524 if (!parent)
3525 return FALSE;
3526
3527 if (parent->IsKindOf(CLASSINFO(wxFrame)))
3528 {
3529 // Try for a menu command
3530 wxFrame* frame = (wxFrame*) parent;
3531 if (frame->GetMenuBar())
3532 {
3533 wxMenuItem* item = frame->GetMenuBar()->FindItemForId(entry->GetCommand());
3534 if (item)
3535 {
3536 wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, entry->GetCommand());
3537 commandEvent.SetEventObject(frame);
3538
3539 // If ProcessEvent returns TRUE (it was handled), then
3540 // the calling code will skip the event handling.
3541 return frame->GetEventHandler()->ProcessEvent(commandEvent);
3542 }
3543 }
3544 }
3545
3546 // Find a child matching the command id
3547 wxWindow* child = parent->FindWindow(entry->GetCommand());
3548
3549 // No such child
3550 if (!child)
3551 return FALSE;
3552
3553 // Now we process those kinds of windows that we can.
3554 // For now, only buttons.
3555 if (child->IsKindOf(CLASSINFO(wxButton)))
3556 {
3557 wxCommandEvent commandEvent (wxEVT_COMMAND_BUTTON_CLICKED, child->GetId());
3558 commandEvent.SetEventObject(child);
3559 return child->GetEventHandler()->ProcessEvent(commandEvent);
3560 }
3561
3562 return FALSE;
3563 } // matches event
3564 }// for
3565
3566 // We didn't match the key event against an accelerator.
3567 return FALSE;
3568 }
3569
3570 /*
3571 * wxNoOptimize: switch off size optimization
3572 */
3573
3574 int wxNoOptimize::m_count = 0;
3575
3576 wxNoOptimize::wxNoOptimize()
3577 {
3578 m_count ++;
3579 }
3580
3581 wxNoOptimize::~wxNoOptimize()
3582 {
3583 m_count --;
3584 }
3585
3586 bool wxNoOptimize::CanOptimize()
3587 {
3588 return (m_count == 0);
3589 }
3590
3591 // For repainting arbitrary windows
3592 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *)
3593 {
3594 Window window;
3595 Display *display;
3596
3597 wxWindow* win = (wxWindow *)wxWidgetHashTable->Get((long)w);
3598 if (!win)
3599 return;
3600
3601 switch(event -> type)
3602 {
3603 case Expose :
3604 {
3605 window = (Window) win -> GetXWindow();
3606 display = (Display *) win -> GetXDisplay();
3607
3608 wxRect* rect = new wxRect(event->xexpose.x, event->xexpose.y,
3609 event->xexpose.width, event->xexpose.height);
3610 win->m_updateRects.Append((wxObject*) rect);
3611
3612 if (event -> xexpose.count == 0)
3613 {
3614 win->DoPaint();
3615
3616 win->ClearUpdateRects();
3617 }
3618 break;
3619 }
3620 default :
3621 {
3622 cout << "\n\nNew Event ! is = " << event -> type << "\n";
3623 break;
3624 }
3625 }
3626 }
3627
wxWidgets (Impactor)