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[wxWidgets.git] / src / motif / window.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: windows.cpp
3// Purpose: wxWindow
4// Author: Julian Smart
5// Modified by:
6// Created: 17/09/98
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20#ifdef __GNUG__
21 #pragma implementation "window.h"
22#endif
23
24#ifdef __VMS
25#define XtDisplay XTDISPLAY
26#define XtWindow XTWINDOW
27#define XtScreen XTSCREEN
28#endif
29
30#include "wx/setup.h"
31#include "wx/menu.h"
32#include "wx/dc.h"
33#include "wx/dcclient.h"
34#include "wx/utils.h"
35#include "wx/app.h"
36#include "wx/panel.h"
37#include "wx/layout.h"
38#include "wx/dialog.h"
39#include "wx/listbox.h"
40#include "wx/button.h"
41#include "wx/settings.h"
42#include "wx/msgdlg.h"
43#include "wx/frame.h"
44#include "wx/scrolwin.h"
45#include "wx/module.h"
46#include "wx/menuitem.h"
47#include "wx/log.h"
48
49#if wxUSE_DRAG_AND_DROP
50 #include "wx/dnd.h"
51#endif
52
53#ifdef __VMS__
54#pragma message disable nosimpint
55#endif
56#include <Xm/Xm.h>
57
58#include <Xm/DrawingA.h>
59#include <Xm/ScrolledW.h>
60#include <Xm/ScrollBar.h>
61#include <Xm/Frame.h>
62#include <Xm/Label.h>
63#include <Xm/RowColumn.h> // for XmMenuPosition
64#ifdef __VMS__
65#pragma message enable nosimpint
66#endif
67
68#include "wx/motif/private.h"
69
70#include <string.h>
71
72// ----------------------------------------------------------------------------
73// constants
74// ----------------------------------------------------------------------------
75
76static const int SCROLL_MARGIN = 4;
77
78// ----------------------------------------------------------------------------
79// global variables for this module
80// ----------------------------------------------------------------------------
81
82extern wxHashTable *wxWidgetHashTable;
83
84// ----------------------------------------------------------------------------
85// private functions
86// ----------------------------------------------------------------------------
87
88static void wxCanvasRepaintProc(Widget, XtPointer, XmDrawingAreaCallbackStruct * cbs);
89static void wxCanvasInputEvent(Widget drawingArea, XtPointer data, XmDrawingAreaCallbackStruct * cbs);
90static void wxCanvasMotionEvent(Widget, XButtonEvent * event);
91static void wxCanvasEnterLeave(Widget drawingArea, XtPointer clientData, XCrossingEvent * event);
92static void wxScrollBarCallback(Widget widget, XtPointer clientData,
93 XmScrollBarCallbackStruct *cbs);
94static void wxPanelItemEventHandler(Widget wid,
95 XtPointer client_data,
96 XEvent* event,
97 Boolean *continueToDispatch);
98
99// unused for now
100#if 0
101
102// Helper function for 16-bit fonts
103static int str16len(const char *s)
104{
105 int count = 0;
106
107 while (s[0] && s[1]) {
108 count++;
109 s += 2;
110 }
111
112 return count;
113}
114
115#endif // 0
116
117// ----------------------------------------------------------------------------
118// macros
119// ----------------------------------------------------------------------------
120
121#define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
122#define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
123#define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
124
125// ----------------------------------------------------------------------------
126// event tables
127// ----------------------------------------------------------------------------
128
129 IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
130
131 BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
132 EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
133 EVT_IDLE(wxWindow::OnIdle)
134 END_EVENT_TABLE()
135
136// ============================================================================
137// implementation
138// ============================================================================
139
140// ----------------------------------------------------------------------------
141// helper functions
142// ----------------------------------------------------------------------------
143
144void wxWindow::UnmanageAndDestroy(WXWidget widget)
145{
146 Widget w = (Widget)widget;
147 if ( w )
148 {
149 XtUnmanageChild(w);
150 XtDestroyWidget(w);
151 }
152}
153
154bool wxWindow::MapOrUnmap(WXWidget widget, bool map)
155{
156 Widget w = (Widget)widget;
157 if ( !w )
158 return FALSE;
159
160 if ( map )
161 XtMapWidget(w);
162 else
163 XtUnmapWidget(w);
164
165 return TRUE;
166}
167
168// ----------------------------------------------------------------------------
169// constructors
170// ----------------------------------------------------------------------------
171
172void wxWindow::Init()
173{
174 // generic initializations first
175 InitBase();
176
177 // Motif-specific
178 m_needsRefresh = TRUE;
179 m_mainWidget = (WXWidget) 0;
180
181 m_button1Pressed =
182 m_button2Pressed =
183 m_button3Pressed = FALSE;
184
185 m_winCaptured = FALSE;
186
187 m_isShown = TRUE;
188 m_isBeingDeleted = FALSE;
189
190 m_hScrollBar =
191 m_vScrollBar =
192 m_borderWidget =
193 m_scrolledWindow =
194 m_drawingArea = (WXWidget) 0;
195
196 m_hScroll =
197 m_vScroll = FALSE;
198
199 m_scrollPosX =
200 m_scrollPosY = 0;
201
202 m_backingPixmap = (WXPixmap) 0;
203 m_pixmapWidth =
204 m_pixmapHeight = 0;
205
206 m_pixmapOffsetX =
207 m_pixmapOffsetY = 0;
208
209 m_lastTS = 0;
210 m_lastButton = 0;
211 m_canAddEventHandler = FALSE;
212}
213
214// real construction (Init() must have been called before!)
215bool wxWindow::Create(wxWindow *parent, wxWindowID id,
216 const wxPoint& pos,
217 const wxSize& size,
218 long style,
219 const wxString& name)
220{
221 wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
222
223 CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
224
225 parent->AddChild(this);
226
227 m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
228 m_foregroundColour = *wxBLACK;
229
230 //// TODO: we should probably optimize by only creating a
231 //// a drawing area if we have one or more scrollbars (wxVSCROLL/wxHSCROLL).
232 //// But for now, let's simplify things by always creating the
233 //// drawing area, since otherwise the translations are different.
234
235 // New translations for getting mouse motion feedback
236 static const String translations =
237"<Btn1Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
238<Btn2Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
239<Btn3Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
240<BtnMotion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
241<Btn1Down>: DrawingAreaInput() ManagerGadgetArm()\n\
242<Btn2Down>: DrawingAreaInput() ManagerGadgetArm()\n\
243<Btn3Down>: DrawingAreaInput() ManagerGadgetArm()\n\
244<Btn1Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
245<Btn2Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
246<Btn3Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
247<Motion>: wxCanvasMotionEvent() DrawingAreaInput()\n\
248<EnterWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
249<LeaveWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
250<Key>: DrawingAreaInput()";
251
252 XtActionsRec actions[1];
253 actions[0].string = "wxCanvasMotionEvent";
254 actions[0].proc = (XtActionProc) wxCanvasMotionEvent;
255 XtAppAddActions ((XtAppContext) wxTheApp->GetAppContext(), actions, 1);
256
257 Widget parentWidget = (Widget) parent->GetClientWidget();
258
259 if (style & wxSIMPLE_BORDER)
260 {
261 m_borderWidget = (WXWidget)XtVaCreateManagedWidget
262 (
263 "canvasBorder",
264 xmFrameWidgetClass, parentWidget,
265 XmNshadowType, XmSHADOW_IN,
266 XmNshadowThickness, 1,
267 NULL
268 );
269 } else if (style & wxSUNKEN_BORDER)
270 {
271 m_borderWidget = (WXWidget)XtVaCreateManagedWidget
272 (
273 "canvasBorder",
274 xmFrameWidgetClass, parentWidget,
275 XmNshadowType, XmSHADOW_IN,
276 NULL
277 );
278 } else if (style & wxRAISED_BORDER)
279 {
280 m_borderWidget = (WXWidget)XtVaCreateManagedWidget
281 (
282 "canvasBorder",
283 xmFrameWidgetClass, parentWidget,
284 XmNshadowType, XmSHADOW_OUT,
285 NULL
286 );
287 }
288
289 m_scrolledWindow = (WXWidget)XtVaCreateManagedWidget
290 (
291 "scrolledWindow",
292 xmScrolledWindowWidgetClass,
293 m_borderWidget ? (Widget) m_borderWidget
294 : parentWidget,
295 XmNresizePolicy, XmRESIZE_NONE,
296 XmNspacing, 0,
297 XmNscrollingPolicy, XmAPPLICATION_DEFINED,
298 //XmNscrollBarDisplayPolicy, XmAS_NEEDED,
299 NULL
300 );
301
302 XtTranslations ptr = XtParseTranslationTable(translations);
303 m_drawingArea = (WXWidget)XtVaCreateWidget
304 (
305 name,
306 xmDrawingAreaWidgetClass, (Widget) m_scrolledWindow,
307 XmNunitType, XmPIXELS,
308 // XmNresizePolicy, XmRESIZE_ANY,
309 XmNresizePolicy, XmRESIZE_NONE,
310 XmNmarginHeight, 0,
311 XmNmarginWidth, 0,
312 XmNtranslations, ptr,
313 NULL
314 );
315 XtFree((char *) ptr);
316
317#if 0
318 if (GetWindowStyleFlag() & wxOVERRIDE_KEY_TRANSLATIONS)
319 {
320 ptr = XtParseTranslationTable ("<Key>: DrawingAreaInput()");
321 XtOverrideTranslations ((Widget) m_drawingArea, ptr);
322 XtFree ((char *) ptr);
323 }
324#endif // 0
325
326 wxAddWindowToTable((Widget) m_drawingArea, this);
327 wxAddWindowToTable((Widget) m_scrolledWindow, this);
328
329 // This order is very important in Motif 1.2.1
330 XtRealizeWidget ((Widget) m_scrolledWindow);
331 XtRealizeWidget ((Widget) m_drawingArea);
332 XtManageChild ((Widget) m_drawingArea);
333
334 ptr = XtParseTranslationTable("<Configure>: resize()");
335 XtOverrideTranslations((Widget) m_drawingArea, ptr);
336 XtFree ((char *) ptr);
337
338 XtAddCallback ((Widget) m_drawingArea, XmNexposeCallback, (XtCallbackProc) wxCanvasRepaintProc, (XtPointer) this);
339 XtAddCallback ((Widget) m_drawingArea, XmNinputCallback, (XtCallbackProc) wxCanvasInputEvent, (XtPointer) this);
340
341 // TODO?
342#if 0
343 display = XtDisplay (scrolledWindow);
344 xwindow = XtWindow (drawingArea);
345#endif // 0
346
347 XtAddEventHandler(
348 (Widget)m_drawingArea,
349 PointerMotionHintMask | EnterWindowMask |
350 LeaveWindowMask | FocusChangeMask,
351 False,
352 (XtEventHandler) wxCanvasEnterLeave,
353 (XtPointer) this
354 );
355
356 // Scrolled widget needs to have its colour changed or we get a little blue
357 // square where the scrollbars abutt
358 wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
359 DoChangeBackgroundColour(m_scrolledWindow, backgroundColour, TRUE);
360 DoChangeBackgroundColour(m_drawingArea, backgroundColour, TRUE);
361
362 XmScrolledWindowSetAreas(
363 (Widget)m_scrolledWindow,
364 (Widget) 0, (Widget) 0,
365 (Widget) m_drawingArea);
366
367#if 0
368 if (m_hScrollBar)
369 XtRealizeWidget ((Widget) m_hScrollBar);
370 if (m_vScrollBar)
371 XtRealizeWidget ((Widget) m_vScrollBar);
372#endif // 0
373
374 // Without this, the cursor may not be restored properly (e.g. in splitter
375 // sample).
376 SetCursor(*wxSTANDARD_CURSOR);
377 SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
378 SetSize(pos.x, pos.y, size.x, size.y);
379
380 return TRUE;
381}
382
383// Destructor
384wxWindow::~wxWindow()
385{
386 m_isBeingDeleted = TRUE;
387
388 // Motif-specific actions first
389 WXWidget wMain = GetMainWidget();
390 if ( wMain )
391 {
392 // Removes event handlers
393 DetachWidget(wMain);
394 }
395
396 ClearUpdateRects();
397
398 if ( m_parent )
399 m_parent->RemoveChild( this );
400
401 // If m_drawingArea, we're a fully-fledged window with drawing area,
402 // scrollbars etc. (what wxCanvas used to be)
403 if ( m_drawingArea )
404 {
405 // Destroy children before destroying self
406 DestroyChildren();
407
408 if (m_backingPixmap)
409 XFreePixmap (XtDisplay ((Widget) GetMainWidget()), (Pixmap) m_backingPixmap);
410
411 Widget w = (Widget) m_drawingArea;
412 wxDeleteWindowFromTable(w);
413
414 if (w)
415 {
416 XtDestroyWidget(w);
417 m_drawingArea = (WXWidget) 0;
418 }
419
420 // Only if we're _really_ a canvas (not a dialog box/panel)
421 if (m_scrolledWindow)
422 {
423 wxDeleteWindowFromTable((Widget) m_scrolledWindow);
424 }
425
426 if (m_hScrollBar)
427 {
428 wxDeleteWindowFromTable((Widget) m_hScrollBar);
429 XtUnmanageChild((Widget) m_hScrollBar);
430 }
431 if (m_vScrollBar)
432 {
433 wxDeleteWindowFromTable((Widget) m_vScrollBar);
434 XtUnmanageChild((Widget) m_vScrollBar);
435 }
436
437 if (m_hScrollBar)
438 XtDestroyWidget((Widget) m_hScrollBar);
439 if (m_vScrollBar)
440 XtDestroyWidget((Widget) m_vScrollBar);
441
442 UnmanageAndDestroy(m_scrolledWindow);
443
444 if (m_borderWidget)
445 {
446 XtDestroyWidget ((Widget) m_borderWidget);
447 m_borderWidget = (WXWidget) 0;
448 }
449 }
450 else // Why wasn't this here before? JACS 8/3/2000
451 DestroyChildren();
452
453
454 // Destroy the window
455 if (GetMainWidget())
456 {
457 // If this line (XtDestroyWidget) causes a crash, you may comment it out.
458 // Child widgets will get destroyed automatically when a frame
459 // or dialog is destroyed, but before that you may get some memory
460 // leaks and potential layout problems if you delete and then add
461 // child windows.
462
463 // GRG, Feb/2000: commented this out when adding support for
464 // wxSCROLL[WIN]_THUMBRELEASE events. Also it was reported
465 // that this call crashed wxMotif under OS/2, so it seems
466 // that leaving it out is the right thing to do.
467 // SN, Feb/2000: newgrid/griddemo shows why it is needed :-(
468 XtDestroyWidget((Widget) GetMainWidget());
469 SetMainWidget((WXWidget) NULL);
470 }
471}
472
473// ----------------------------------------------------------------------------
474// scrollbar management
475// ----------------------------------------------------------------------------
476
477// Helper function
478void wxWindow::CreateScrollbar(wxOrientation orientation)
479{
480 wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
481
482 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
483
484 // Add scrollbars if required
485 if (orientation == wxHORIZONTAL)
486 {
487 Widget hScrollBar = XtVaCreateManagedWidget ("hsb",
488 xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
489 XmNorientation, XmHORIZONTAL,
490 NULL);
491 XtAddCallback (hScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
492 XtAddCallback (hScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
493 XtAddCallback (hScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
494 XtAddCallback (hScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
495 XtAddCallback (hScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
496 XtAddCallback (hScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
497 XtAddCallback (hScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
498 XtAddCallback (hScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
499
500 XtVaSetValues (hScrollBar,
501 XmNincrement, 1,
502 XmNvalue, 0,
503 NULL);
504
505 m_hScrollBar = (WXWidget) hScrollBar;
506
507 wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
508 DoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
509
510 XtRealizeWidget(hScrollBar);
511
512 XtVaSetValues((Widget) m_scrolledWindow,
513 XmNhorizontalScrollBar, (Widget) m_hScrollBar,
514 NULL);
515
516 m_hScroll = TRUE;
517
518 wxAddWindowToTable( hScrollBar, this );
519 }
520
521 if (orientation == wxVERTICAL)
522 {
523 Widget vScrollBar = XtVaCreateManagedWidget ("vsb",
524 xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
525 XmNorientation, XmVERTICAL,
526 NULL);
527 XtAddCallback (vScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
528 XtAddCallback (vScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
529 XtAddCallback (vScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
530 XtAddCallback (vScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
531 XtAddCallback (vScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
532 XtAddCallback (vScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
533 XtAddCallback (vScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
534 XtAddCallback (vScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
535
536 XtVaSetValues (vScrollBar,
537 XmNincrement, 1,
538 XmNvalue, 0,
539 NULL);
540
541 m_vScrollBar = (WXWidget) vScrollBar;
542 wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
543 DoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
544
545 XtRealizeWidget(vScrollBar);
546
547 XtVaSetValues((Widget) m_scrolledWindow,
548 XmNverticalScrollBar, (Widget) m_vScrollBar,
549 NULL);
550
551 m_vScroll = TRUE;
552
553 wxAddWindowToTable( vScrollBar, this );
554 }
555
556 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
557}
558
559void wxWindow::DestroyScrollbar(wxOrientation orientation)
560{
561 wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
562
563 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
564 // Add scrollbars if required
565 if (orientation == wxHORIZONTAL)
566 {
567 if (m_hScrollBar)
568 {
569 wxDeleteWindowFromTable((Widget)m_hScrollBar);
570 XtDestroyWidget((Widget) m_hScrollBar);
571 }
572 m_hScrollBar = (WXWidget) 0;
573 m_hScroll = FALSE;
574
575 XtVaSetValues((Widget) m_scrolledWindow,
576 XmNhorizontalScrollBar, (Widget) 0,
577 NULL);
578
579 }
580
581 if (orientation == wxVERTICAL)
582 {
583 if (m_vScrollBar)
584 {
585 wxDeleteWindowFromTable((Widget)m_vScrollBar);
586 XtDestroyWidget((Widget) m_vScrollBar);
587 }
588 m_vScrollBar = (WXWidget) 0;
589 m_vScroll = FALSE;
590
591 XtVaSetValues((Widget) m_scrolledWindow,
592 XmNverticalScrollBar, (Widget) 0,
593 NULL);
594
595 }
596 XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
597}
598
599// ---------------------------------------------------------------------------
600// basic operations
601// ---------------------------------------------------------------------------
602
603void wxWindow::SetFocus()
604{
605 Widget wMain = (Widget) GetMainWidget();
606 XmProcessTraversal(wMain, XmTRAVERSE_CURRENT);
607 XmProcessTraversal((Widget) GetMainWidget(), XmTRAVERSE_CURRENT);
608}
609
610// Get the window with the focus
611wxWindow *wxWindowBase::FindFocus()
612{
613 // TODO Problems:
614 // (1) Can there be multiple focussed widgets in an application?
615 // In which case we need to find the top-level window that's
616 // currently active.
617 // (2) The widget with the focus may not be in the widget table
618 // depending on which widgets I put in the table
619 wxWindow *winFocus = (wxWindow *)NULL;
620 for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
621 node;
622 node = node->GetNext() )
623 {
624 wxWindow *win = node->GetData();
625
626 Widget w = XmGetFocusWidget ((Widget) win->GetTopWidget());
627
628 if (w != (Widget) NULL)
629 {
630 winFocus = wxGetWindowFromTable(w);
631 if ( winFocus )
632 break;
633 }
634 }
635
636 return winFocus;
637}
638
639bool wxWindow::Enable(bool enable)
640{
641 if ( !wxWindowBase::Enable(enable) )
642 return FALSE;
643
644 Widget wMain = (Widget)GetMainWidget();
645 if ( wMain )
646 {
647 XtSetSensitive(wMain, enable);
648 XmUpdateDisplay(wMain);
649 }
650
651 return TRUE;
652}
653
654bool wxWindow::Show(bool show)
655{
656 if ( !wxWindowBase::Show(show) )
657 return FALSE;
658
659 if (m_borderWidget || m_scrolledWindow)
660 {
661 MapOrUnmap(m_drawingArea, show);
662 MapOrUnmap(m_borderWidget ? m_borderWidget : m_scrolledWindow, show);
663 }
664 else
665 {
666 if ( !MapOrUnmap(GetTopWidget(), show) )
667 MapOrUnmap(GetMainWidget(), show);
668 }
669
670#if 0
671 Window xwin = (Window) GetXWindow();
672 Display *xdisp = (Display*) GetXDisplay();
673 if (show)
674 XMapWindow(xdisp, xwin);
675 else
676 XUnmapWindow(xdisp, xwin);
677#endif
678
679 return TRUE;
680}
681
682// Raise the window to the top of the Z order
683void wxWindow::Raise()
684{
685 Widget wTop = (Widget) GetTopWidget();
686 Window window = XtWindow(wTop);
687 XRaiseWindow(XtDisplay(wTop), window);
688}
689
690// Lower the window to the bottom of the Z order
691void wxWindow::Lower()
692{
693 Widget wTop = (Widget) GetTopWidget();
694 Window window = XtWindow(wTop);
695 XLowerWindow(XtDisplay(wTop), window);
696}
697
698void wxWindow::SetTitle(const wxString& title)
699{
700 XtVaSetValues((Widget)GetMainWidget(), XmNtitle, title.c_str(), NULL);
701}
702
703wxString wxWindow::GetTitle() const
704{
705 char *title;
706 XtVaGetValues((Widget)GetMainWidget(), XmNtitle, &title, NULL);
707
708 return wxString(title);
709}
710
711void wxWindow::CaptureMouse()
712{
713 if ( m_winCaptured )
714 return;
715
716 Widget wMain = (Widget)GetMainWidget();
717 if ( wMain )
718 XtAddGrab(wMain, TRUE, FALSE);
719
720 m_winCaptured = TRUE;
721}
722
723void wxWindow::ReleaseMouse()
724{
725 if ( !m_winCaptured )
726 return;
727
728 Widget wMain = (Widget)GetMainWidget();
729 if ( wMain )
730 XtRemoveGrab(wMain);
731
732 m_winCaptured = FALSE;
733}
734
735bool wxWindow::SetFont(const wxFont& font)
736{
737 if ( !wxWindowBase::SetFont(font) )
738 {
739 // nothing to do
740 return FALSE;
741 }
742
743 ChangeFont();
744
745 return TRUE;
746}
747
748bool wxWindow::SetCursor(const wxCursor& cursor)
749{
750 if ( !wxWindowBase::SetCursor(cursor) )
751 {
752 // no change
753 return FALSE;
754 }
755
756 // wxASSERT_MSG( m_cursor.Ok(),
757 // wxT("cursor must be valid after call to the base version"));
758 wxCursor* cursor2 = NULL;
759 if (m_cursor.Ok())
760 cursor2 = & m_cursor;
761 else
762 cursor2 = wxSTANDARD_CURSOR;
763
764 WXDisplay *dpy = GetXDisplay();
765 WXCursor x_cursor = cursor2->GetXCursor(dpy);
766
767 Widget w = (Widget) GetMainWidget();
768 Window win = XtWindow(w);
769 XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
770
771 return TRUE;
772}
773
774// Coordinates relative to the window
775void wxWindow::WarpPointer (int x, int y)
776{
777 Widget wClient = (Widget)GetClientWidget();
778
779 XWarpPointer(XtDisplay(wClient), None, XtWindow(wClient), 0, 0, 0, 0, x, y);
780}
781
782// ---------------------------------------------------------------------------
783// scrolling stuff
784// ---------------------------------------------------------------------------
785
786int wxWindow::GetScrollPos(int orient) const
787{
788 if (orient == wxHORIZONTAL)
789 return m_scrollPosX;
790 else
791 return m_scrollPosY;
792
793#if 0
794 Widget scrollBar = (Widget) ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar);
795 if (scrollBar)
796 {
797 int pos;
798 XtVaGetValues(scrollBar, XmNvalue, &pos, NULL);
799 return pos;
800 }
801 else
802 return 0;
803#endif // 0
804}
805
806// This now returns the whole range, not just the number of positions that we
807// can scroll.
808int wxWindow::GetScrollRange(int orient) const
809{
810 Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
811 wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
812
813 int range;
814 XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
815 return range;
816}
817
818int wxWindow::GetScrollThumb(int orient) const
819{
820 Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
821 wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
822
823 int thumb;
824 XtVaGetValues(scrollBar, XmNsliderSize, &thumb, NULL);
825 return thumb;
826}
827
828void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
829{
830 Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
831
832 if ( scrollBar )
833 {
834 XtVaSetValues (scrollBar, XmNvalue, pos, NULL);
835 }
836
837 SetInternalScrollPos((wxOrientation)orient, pos);
838}
839
840// New function that will replace some of the above.
841void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
842 int range, bool WXUNUSED(refresh))
843{
844 int oldW, oldH;
845 GetSize(& oldW, & oldH);
846
847 if (range == 0)
848 range = 1;
849 if (thumbVisible == 0)
850 thumbVisible = 1;
851
852 if (thumbVisible > range)
853 thumbVisible = range;
854
855 // Save the old state to see if it changed
856 WXWidget oldScrollBar = GetScrollbar((wxOrientation)orient);
857
858 if (orient == wxHORIZONTAL)
859 {
860 if (thumbVisible == range)
861 {
862 if (m_hScrollBar)
863 DestroyScrollbar(wxHORIZONTAL);
864 }
865 else
866 {
867 if (!m_hScrollBar)
868 CreateScrollbar(wxHORIZONTAL);
869 }
870 }
871 if (orient == wxVERTICAL)
872 {
873 if (thumbVisible == range)
874 {
875 if (m_vScrollBar)
876 DestroyScrollbar(wxVERTICAL);
877 }
878 else
879 {
880 if (!m_vScrollBar)
881 CreateScrollbar(wxVERTICAL);
882 }
883 }
884 WXWidget newScrollBar = GetScrollbar((wxOrientation)orient);
885
886 if (oldScrollBar != newScrollBar)
887 {
888 // This is important! Without it, scrollbars misbehave badly.
889 XtUnrealizeWidget((Widget) m_scrolledWindow);
890 XmScrolledWindowSetAreas ((Widget) m_scrolledWindow, (Widget) m_hScrollBar, (Widget) m_vScrollBar, (Widget) m_drawingArea);
891 XtRealizeWidget((Widget) m_scrolledWindow);
892 XtManageChild((Widget) m_scrolledWindow);
893 }
894
895 if (newScrollBar)
896 {
897 XtVaSetValues((Widget) newScrollBar,
898 XmNvalue, pos,
899 XmNminimum, 0,
900 XmNmaximum, range,
901 XmNsliderSize, thumbVisible,
902 NULL);
903 }
904
905 SetInternalScrollPos((wxOrientation)orient, pos);
906
907 int newW, newH;
908 GetSize(& newW, & newH);
909
910 // Adjusting scrollbars can resize the canvas accidentally
911 if (newW != oldW || newH != oldH)
912 SetSize(-1, -1, oldW, oldH);
913}
914
915// Does a physical scroll
916void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
917{
918 int x, y, w, h;
919 if (rect)
920 {
921 // Use specified rectangle
922 x = rect->x; y = rect->y; w = rect->width; h = rect->height;
923 }
924 else
925 {
926 // Use whole client area
927 x = 0; y = 0;
928 GetClientSize(& w, & h);
929 }
930
931 wxNode *cnode = m_children.First();
932 while (cnode)
933 {
934 wxWindow *child = (wxWindow*) cnode->Data();
935 int sx = 0;
936 int sy = 0;
937 child->GetSize( &sx, &sy );
938 wxPoint pos( child->GetPosition() );
939 child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
940 cnode = cnode->Next();
941 }
942
943 int x1 = (dx >= 0) ? x : x - dx;
944 int y1 = (dy >= 0) ? y : y - dy;
945 int w1 = w - abs(dx);
946 int h1 = h - abs(dy);
947 int x2 = (dx >= 0) ? x + dx : x;
948 int y2 = (dy >= 0) ? y + dy : y;
949
950 wxClientDC dc(this);
951
952 dc.SetLogicalFunction (wxCOPY);
953
954 Widget widget = (Widget) GetMainWidget();
955 Window window = XtWindow(widget);
956 Display* display = XtDisplay(widget);
957
958 XCopyArea(display, window, window, (GC) dc.GetGC(),
959 x1, y1, w1, h1, x2, y2);
960
961 dc.SetAutoSetting(TRUE);
962 wxBrush brush(GetBackgroundColour(), wxSOLID);
963 dc.SetBrush(brush); // FIXME: needed?
964
965 // We'll add rectangles to the list of update rectangles according to which
966 // bits we've exposed.
967 wxList updateRects;
968
969 if (dx > 0)
970 {
971 wxRect *rect = new wxRect;
972 rect->x = x;
973 rect->y = y;
974 rect->width = dx;
975 rect->height = h;
976
977 XFillRectangle(display, window,
978 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
979
980 rect->x = rect->x;
981 rect->y = rect->y;
982 rect->width = rect->width;
983 rect->height = rect->height;
984
985 updateRects.Append((wxObject*) rect);
986 }
987 else if (dx < 0)
988 {
989 wxRect *rect = new wxRect;
990
991 rect->x = x + w + dx;
992 rect->y = y;
993 rect->width = -dx;
994 rect->height = h;
995
996 XFillRectangle(display, window,
997 (GC) dc.GetGC(), rect->x, rect->y, rect->width,
998 rect->height);
999
1000 rect->x = rect->x;
1001 rect->y = rect->y;
1002 rect->width = rect->width;
1003 rect->height = rect->height;
1004
1005 updateRects.Append((wxObject*) rect);
1006 }
1007 if (dy > 0)
1008 {
1009 wxRect *rect = new wxRect;
1010
1011 rect->x = x;
1012 rect->y = y;
1013 rect->width = w;
1014 rect->height = dy;
1015
1016 XFillRectangle(display, window,
1017 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1018
1019 rect->x = rect->x;
1020 rect->y = rect->y;
1021 rect->width = rect->width;
1022 rect->height = rect->height;
1023
1024 updateRects.Append((wxObject*) rect);
1025 }
1026 else if (dy < 0)
1027 {
1028 wxRect *rect = new wxRect;
1029
1030 rect->x = x;
1031 rect->y = y + h + dy;
1032 rect->width = w;
1033 rect->height = -dy;
1034
1035 XFillRectangle(display, window,
1036 (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1037
1038 rect->x = rect->x;
1039 rect->y = rect->y;
1040 rect->width = rect->width;
1041 rect->height = rect->height;
1042
1043 updateRects.Append((wxObject*) rect);
1044 }
1045 dc.SetBrush(wxNullBrush);
1046
1047 // Now send expose events
1048
1049 wxNode* node = updateRects.First();
1050 while (node)
1051 {
1052 wxRect* rect = (wxRect*) node->Data();
1053 XExposeEvent event;
1054
1055 event.type = Expose;
1056 event.display = display;
1057 event.send_event = True;
1058 event.window = window;
1059
1060 event.x = rect->x;
1061 event.y = rect->y;
1062 event.width = rect->width;
1063 event.height = rect->height;
1064
1065 event.count = 0;
1066
1067 XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
1068
1069 node = node->Next();
1070
1071 }
1072
1073 // Delete the update rects
1074 node = updateRects.First();
1075 while (node)
1076 {
1077 wxRect* rect = (wxRect*) node->Data();
1078 delete rect;
1079 node = node->Next();
1080 }
1081
1082 XmUpdateDisplay((Widget) GetMainWidget());
1083}
1084
1085// ---------------------------------------------------------------------------
1086// drag and drop
1087// ---------------------------------------------------------------------------
1088
1089#if wxUSE_DRAG_AND_DROP
1090
1091void wxWindow::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
1092{
1093 // TODO
1094}
1095
1096#endif
1097
1098// Old style file-manager drag&drop
1099void wxWindow::DragAcceptFiles(bool WXUNUSED(accept))
1100{
1101 // TODO
1102}
1103
1104// ----------------------------------------------------------------------------
1105// tooltips
1106// ----------------------------------------------------------------------------
1107
1108#if wxUSE_TOOLTIPS
1109
1110void wxWindow::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
1111{
1112 // TODO
1113}
1114
1115#endif // wxUSE_TOOLTIPS
1116
1117// ----------------------------------------------------------------------------
1118// popup menus
1119// ----------------------------------------------------------------------------
1120
1121bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
1122{
1123 Widget widget = (Widget) GetMainWidget();
1124
1125 /* The menuId field seems to be usused, so we'll use it to
1126 indicate whether a menu is popped up or not:
1127 0: Not currently created as a popup
1128 -1: Created as a popup, but not active
1129 1: Active popup.
1130 */
1131
1132 if (menu->GetParent() && (menu->GetId() != -1))
1133 return FALSE;
1134
1135 if (menu->GetMainWidget()) {
1136 menu->DestroyMenu(TRUE);
1137 }
1138
1139 menu->SetId(1); /* Mark as popped-up */
1140 menu->CreateMenu(NULL, widget, menu);
1141 menu->SetInvokingWindow(this);
1142
1143 menu->UpdateUI();
1144
1145 // menu->SetParent(parent);
1146 // parent->children->Append(menu); // Store menu for later deletion
1147
1148 Widget menuWidget = (Widget) menu->GetMainWidget();
1149
1150 int rootX = 0;
1151 int rootY = 0;
1152
1153 int deviceX = x;
1154 int deviceY = y;
1155 /*
1156 if (this->IsKindOf(CLASSINFO(wxCanvas)))
1157 {
1158 wxCanvas *canvas = (wxCanvas *) this;
1159 deviceX = canvas->GetDC ()->LogicalToDeviceX (x);
1160 deviceY = canvas->GetDC ()->LogicalToDeviceY (y);
1161 }
1162 */
1163
1164 Display *display = XtDisplay (widget);
1165 Window rootWindow = RootWindowOfScreen (XtScreen((Widget)widget));
1166 Window thisWindow = XtWindow (widget);
1167 Window childWindow;
1168 XTranslateCoordinates (display, thisWindow, rootWindow, (int) deviceX, (int) deviceY,
1169 &rootX, &rootY, &childWindow);
1170
1171 XButtonPressedEvent event;
1172 event.type = ButtonPress;
1173 event.button = 1;
1174
1175 event.x = deviceX;
1176 event.y = deviceY;
1177
1178 event.x_root = rootX;
1179 event.y_root = rootY;
1180
1181 XmMenuPosition (menuWidget, &event);
1182 XtManageChild (menuWidget);
1183
1184 return TRUE;
1185}
1186
1187// ---------------------------------------------------------------------------
1188// moving and resizing
1189// ---------------------------------------------------------------------------
1190
1191bool wxWindow::PreResize()
1192{
1193 return TRUE;
1194}
1195
1196// Get total size
1197void wxWindow::DoGetSize(int *x, int *y) const
1198{
1199 if (m_drawingArea)
1200 {
1201 CanvasGetSize(x, y);
1202 return;
1203 }
1204
1205 Widget widget = (Widget) GetTopWidget();
1206 Dimension xx, yy;
1207 XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1208 if(x) *x = xx; if(y) *y = yy;
1209}
1210
1211void wxWindow::DoGetPosition(int *x, int *y) const
1212{
1213 if (m_drawingArea)
1214 {
1215 CanvasGetPosition(x, y);
1216 return;
1217 }
1218 Widget widget = (Widget) GetTopWidget();
1219 Position xx, yy;
1220 XtVaGetValues(widget, XmNx, &xx, XmNy, &yy, NULL);
1221
1222 // We may be faking the client origin. So a window that's really at (0, 30)
1223 // may appear (to wxWin apps) to be at (0, 0).
1224 if (GetParent())
1225 {
1226 wxPoint pt(GetParent()->GetClientAreaOrigin());
1227 xx -= pt.x;
1228 yy -= pt.y;
1229 }
1230
1231 if(x) *x = xx; if(y) *y = yy;
1232}
1233
1234void wxWindow::DoScreenToClient(int *x, int *y) const
1235{
1236 Widget widget = (Widget) GetClientWidget();
1237 Display *display = XtDisplay((Widget) GetMainWidget());
1238 Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1239 Window thisWindow = XtWindow(widget);
1240
1241 Window childWindow;
1242 int xx = *x;
1243 int yy = *y;
1244 XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
1245}
1246
1247void wxWindow::DoClientToScreen(int *x, int *y) const
1248{
1249 Widget widget = (Widget) GetClientWidget();
1250 Display *display = XtDisplay(widget);
1251 Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1252 Window thisWindow = XtWindow(widget);
1253
1254 Window childWindow;
1255 int xx = *x;
1256 int yy = *y;
1257 XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
1258}
1259
1260
1261// Get size *available for subwindows* i.e. excluding menu bar etc.
1262void wxWindow::DoGetClientSize(int *x, int *y) const
1263{
1264 Widget widget = (Widget) GetClientWidget();
1265 Dimension xx, yy;
1266 XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1267 if(x) *x = xx; if(y) *y = yy;
1268}
1269
1270void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1271{
1272 // A bit of optimization to help sort out the flickers.
1273 int oldX, oldY, oldW, oldH;
1274 GetSize(& oldW, & oldH);
1275 GetPosition(& oldX, & oldY);
1276
1277 if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1278 {
1279 if ( x == -1 )
1280 x = oldX;
1281 if ( y == -1 )
1282 y = oldY;
1283 }
1284
1285 if ( width == -1 )
1286 width = oldW;
1287 if ( height == -1 )
1288 height = oldH;
1289
1290 bool nothingChanged = (x == oldX) && (y == oldY) &&
1291 (width == oldW) && (height == oldH);
1292
1293 if (!wxNoOptimize::CanOptimize())
1294 {
1295 nothingChanged = FALSE;
1296 }
1297
1298 if ( !nothingChanged )
1299 {
1300 if (m_drawingArea)
1301 {
1302 CanvasSetSize(x, y, width, height, sizeFlags);
1303 return;
1304 }
1305
1306 Widget widget = (Widget) GetTopWidget();
1307 if (!widget)
1308 return;
1309
1310 bool managed = XtIsManaged( widget );
1311 if (managed)
1312 XtUnmanageChild(widget);
1313
1314 int xx = x;
1315 int yy = y;
1316 AdjustForParentClientOrigin(xx, yy, sizeFlags);
1317
1318 DoMoveWindow(xx, yy, width, height);
1319
1320 if (managed)
1321 XtManageChild(widget);
1322
1323 // How about this bit. Maybe we don't need to generate size events
1324 // all the time -- they'll be generated when the window is sized anyway.
1325#if 0
1326 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1327 sizeEvent.SetEventObject(this);
1328
1329 GetEventHandler()->ProcessEvent(sizeEvent);
1330#endif // 0
1331 }
1332}
1333
1334void wxWindow::DoSetClientSize(int width, int height)
1335{
1336 if (m_drawingArea)
1337 {
1338 CanvasSetClientSize(width, height);
1339 return;
1340 }
1341
1342 Widget widget = (Widget) GetTopWidget();
1343
1344 if (width > -1)
1345 XtVaSetValues(widget, XmNwidth, width, NULL);
1346 if (height > -1)
1347 XtVaSetValues(widget, XmNheight, height, NULL);
1348
1349 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1350 sizeEvent.SetEventObject(this);
1351
1352 GetEventHandler()->ProcessEvent(sizeEvent);
1353}
1354
1355// For implementation purposes - sometimes decorations make the client area
1356// smaller
1357wxPoint wxWindow::GetClientAreaOrigin() const
1358{
1359 return wxPoint(0, 0);
1360}
1361
1362// Makes an adjustment to the window position (for example, a frame that has
1363// a toolbar that it manages itself).
1364void wxWindow::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
1365{
1366 if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
1367 {
1368 wxPoint pt(GetParent()->GetClientAreaOrigin());
1369 x += pt.x; y += pt.y;
1370 }
1371}
1372
1373void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
1374{
1375 m_minWidth = minW;
1376 m_minHeight = minH;
1377 m_maxWidth = maxW;
1378 m_maxHeight = maxH;
1379
1380 wxFrame *frame = wxDynamicCast(this, wxFrame);
1381 if ( !frame )
1382 {
1383 // TODO what about dialogs?
1384 return;
1385 }
1386
1387 Widget widget = (Widget) frame->GetShellWidget();
1388
1389 if (minW > -1)
1390 XtVaSetValues(widget, XmNminWidth, minW, NULL);
1391 if (minH > -1)
1392 XtVaSetValues(widget, XmNminHeight, minH, NULL);
1393 if (maxW > -1)
1394 XtVaSetValues(widget, XmNmaxWidth, maxW, NULL);
1395 if (maxH > -1)
1396 XtVaSetValues(widget, XmNmaxHeight, maxH, NULL);
1397 if (incW > -1)
1398 XtVaSetValues(widget, XmNwidthInc, incW, NULL);
1399 if (incH > -1)
1400 XtVaSetValues(widget, XmNheightInc, incH, NULL);
1401}
1402
1403void wxWindow::DoMoveWindow(int x, int y, int width, int height)
1404{
1405 XtVaSetValues((Widget)GetTopWidget(),
1406 XmNx, x,
1407 XmNy, y,
1408 XmNwidth, width,
1409 XmNheight, height,
1410 NULL);
1411}
1412
1413// ---------------------------------------------------------------------------
1414// text metrics
1415// ---------------------------------------------------------------------------
1416
1417int wxWindow::GetCharHeight() const
1418{
1419 wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1420
1421 WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1422
1423 int direction, ascent, descent;
1424 XCharStruct overall;
1425 XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1426 &descent, &overall);
1427
1428 // return (overall.ascent + overall.descent);
1429 return (ascent + descent);
1430}
1431
1432int wxWindow::GetCharWidth() const
1433{
1434 wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1435
1436 WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1437
1438 int direction, ascent, descent;
1439 XCharStruct overall;
1440 XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1441 &descent, &overall);
1442
1443 return overall.width;
1444}
1445
1446void wxWindow::GetTextExtent(const wxString& string,
1447 int *x, int *y,
1448 int *descent, int *externalLeading,
1449 const wxFont *theFont) const
1450{
1451 wxFont *fontToUse = (wxFont *)theFont;
1452 if (!fontToUse)
1453 fontToUse = (wxFont *) & m_font;
1454
1455 wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
1456
1457 WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
1458
1459 int direction, ascent, descent2;
1460 XCharStruct overall;
1461 int slen = string.Len();
1462
1463#if 0
1464 if (use16)
1465 XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
1466 &ascent, &descent2, &overall);
1467#endif
1468
1469 XTextExtents((XFontStruct*) pFontStruct, string, slen,
1470 &direction, &ascent, &descent2, &overall);
1471
1472 if ( x )
1473 *x = (overall.width);
1474 if ( y )
1475 *y = (ascent + descent2);
1476 if (descent)
1477 *descent = descent2;
1478 if (externalLeading)
1479 *externalLeading = 0;
1480
1481}
1482
1483// ----------------------------------------------------------------------------
1484// painting
1485// ----------------------------------------------------------------------------
1486
1487void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
1488{
1489 m_needsRefresh = TRUE;
1490 Display *display = XtDisplay((Widget) GetMainWidget());
1491 Window thisWindow = XtWindow((Widget) GetMainWidget());
1492
1493 XExposeEvent dummyEvent;
1494 int width, height;
1495 GetSize(&width, &height);
1496
1497 dummyEvent.type = Expose;
1498 dummyEvent.display = display;
1499 dummyEvent.send_event = True;
1500 dummyEvent.window = thisWindow;
1501 if (rect)
1502 {
1503 dummyEvent.x = rect->x;
1504 dummyEvent.y = rect->y;
1505 dummyEvent.width = rect->width;
1506 dummyEvent.height = rect->height;
1507 }
1508 else
1509 {
1510 dummyEvent.x = 0;
1511 dummyEvent.y = 0;
1512 dummyEvent.width = width;
1513 dummyEvent.height = height;
1514 }
1515 dummyEvent.count = 0;
1516
1517 if (eraseBack)
1518 {
1519 wxClientDC dc(this);
1520 wxBrush backgroundBrush(GetBackgroundColour(), wxSOLID);
1521 dc.SetBackground(backgroundBrush);
1522 if (rect)
1523 dc.Clear(*rect);
1524 else
1525 dc.Clear();
1526 }
1527
1528 XSendEvent(display, thisWindow, False, ExposureMask, (XEvent *)&dummyEvent);
1529}
1530
1531void wxWindow::Clear()
1532{
1533 wxClientDC dc(this);
1534 wxBrush brush(GetBackgroundColour(), wxSOLID);
1535 dc.SetBackground(brush);
1536 dc.Clear();
1537}
1538
1539void wxWindow::ClearUpdateRects()
1540{
1541 wxRectList::Node* node = m_updateRects.GetFirst();
1542 while (node)
1543 {
1544 wxRect* rect = node->GetData();
1545 delete rect;
1546 node = node->GetNext();
1547 }
1548
1549 m_updateRects.Clear();
1550}
1551
1552void wxWindow::DoPaint()
1553{
1554 //TODO : make a temporary gc so we can do the XCopyArea below
1555 if (m_backingPixmap && !m_needsRefresh)
1556 {
1557 wxPaintDC dc(this);
1558
1559 GC tempGC = (GC) dc.GetBackingGC();
1560
1561 Widget widget = (Widget) GetMainWidget();
1562
1563 int scrollPosX = 0;
1564 int scrollPosY = 0;
1565
1566 // We have to test whether it's a wxScrolledWindow (hack!) because
1567 // otherwise we don't know how many pixels have been scrolled. We might
1568 // solve this in the future by defining virtual wxWindow functions to get
1569 // the scroll position in pixels. Or, each kind of scrolled window has to
1570 // implement backing stores itself, using generic wxWindows code.
1571 wxScrolledWindow* scrolledWindow = wxDynamicCast(this, wxScrolledWindow);
1572 if ( scrolledWindow )
1573 {
1574 int x, y;
1575 scrolledWindow->CalcScrolledPosition(0, 0, &x, &y);
1576
1577 scrollPosX = - x;
1578 scrollPosY = - y;
1579 }
1580
1581 // TODO: This could be optimized further by only copying the areas in the
1582 // current update region.
1583
1584 // Only blit the part visible in the client area. The backing pixmap
1585 // always starts at 0, 0 but we may be looking at only a portion of it.
1586 wxSize clientArea = GetClientSize();
1587 int toBlitX = m_pixmapWidth - scrollPosX;
1588 int toBlitY = m_pixmapHeight - scrollPosY;
1589
1590 // Copy whichever is samller, the amount of pixmap we have to copy,
1591 // or the size of the client area.
1592 toBlitX = wxMin(toBlitX, clientArea.x);
1593 toBlitY = wxMin(toBlitY, clientArea.y);
1594
1595 // Make sure we're not negative
1596 toBlitX = wxMax(0, toBlitX);
1597 toBlitY = wxMax(0, toBlitY);
1598
1599 XCopyArea
1600 (
1601 XtDisplay(widget),
1602 (Pixmap) m_backingPixmap,
1603 XtWindow (widget),
1604 tempGC,
1605 scrollPosX, scrollPosY, // Start at the scroll position
1606 toBlitX, toBlitY, // How much of the pixmap to copy
1607 0, 0 // Destination
1608 );
1609 }
1610 else
1611 {
1612 // Set an erase event first
1613 wxEraseEvent eraseEvent(GetId());
1614 eraseEvent.SetEventObject(this);
1615 GetEventHandler()->ProcessEvent(eraseEvent);
1616
1617 wxPaintEvent event(GetId());
1618 event.SetEventObject(this);
1619 GetEventHandler()->ProcessEvent(event);
1620
1621 m_needsRefresh = FALSE;
1622 }
1623}
1624
1625// ----------------------------------------------------------------------------
1626// event handlers
1627// ----------------------------------------------------------------------------
1628
1629// Responds to colour changes: passes event on to children.
1630void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
1631{
1632 wxWindowList::Node *node = GetChildren().GetFirst();
1633 while ( node )
1634 {
1635 // Only propagate to non-top-level windows
1636 wxWindow *win = node->GetData();
1637 if ( win->GetParent() )
1638 {
1639 wxSysColourChangedEvent event2;
1640 event.m_eventObject = win;
1641 win->GetEventHandler()->ProcessEvent(event2);
1642 }
1643
1644 node = node->GetNext();
1645 }
1646}
1647
1648void wxWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
1649{
1650 // This calls the UI-update mechanism (querying windows for
1651 // menu/toolbar/control state information)
1652 UpdateWindowUI();
1653}
1654
1655// ----------------------------------------------------------------------------
1656// accelerators
1657// ----------------------------------------------------------------------------
1658
1659bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
1660{
1661 if (!m_acceleratorTable.Ok())
1662 return FALSE;
1663
1664 int count = m_acceleratorTable.GetCount();
1665 wxAcceleratorEntry* entries = m_acceleratorTable.GetEntries();
1666 int i;
1667 for (i = 0; i < count; i++)
1668 {
1669 wxAcceleratorEntry* entry = & (entries[i]);
1670 if (entry->MatchesEvent(event))
1671 {
1672 // Bingo, we have a match. Now find a control that matches the entry
1673 // command id.
1674
1675 // Need to go up to the top of the window hierarchy, since it might
1676 // be e.g. a menu item
1677 wxWindow* parent = this;
1678 while ( parent && !parent->IsTopLevel() )
1679 parent = parent->GetParent();
1680
1681 if (!parent)
1682 return FALSE;
1683
1684 wxFrame* frame = wxDynamicCast(parent, wxFrame);
1685 if ( frame )
1686 {
1687 // Try for a menu command
1688 if (frame->GetMenuBar())
1689 {
1690 wxMenuItem* item = frame->GetMenuBar()->FindItem(entry->GetCommand());
1691 if (item)
1692 {
1693 wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, entry->GetCommand());
1694 commandEvent.SetEventObject(frame);
1695
1696 // If ProcessEvent returns TRUE (it was handled), then
1697 // the calling code will skip the event handling.
1698 return frame->GetEventHandler()->ProcessEvent(commandEvent);
1699 }
1700 }
1701 }
1702
1703 // Find a child matching the command id
1704 wxWindow* child = parent->FindWindow(entry->GetCommand());
1705
1706 // No such child
1707 if (!child)
1708 return FALSE;
1709
1710 // Now we process those kinds of windows that we can.
1711 // For now, only buttons.
1712 if ( wxDynamicCast(child, wxButton) )
1713 {
1714 wxCommandEvent commandEvent (wxEVT_COMMAND_BUTTON_CLICKED, child->GetId());
1715 commandEvent.SetEventObject(child);
1716 return child->GetEventHandler()->ProcessEvent(commandEvent);
1717 }
1718
1719 return FALSE;
1720 } // matches event
1721 }// for
1722
1723 // We didn't match the key event against an accelerator.
1724 return FALSE;
1725}
1726
1727// ============================================================================
1728// Motif-specific stuff from here on
1729// ============================================================================
1730
1731// ----------------------------------------------------------------------------
1732// function which maintain the global hash table mapping Widgets to wxWindows
1733// ----------------------------------------------------------------------------
1734
1735bool wxAddWindowToTable(Widget w, wxWindow *win)
1736{
1737 wxWindow *oldItem = NULL;
1738 if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1739 {
1740 wxLogDebug("Widget table clash: new widget is %ld, %s",
1741 (long)w, win->GetClassInfo()->GetClassName());
1742 return FALSE;
1743 }
1744
1745 wxWidgetHashTable->Put((long) w, win);
1746
1747 wxLogTrace("widget", "Widget 0x%08x <-> window %p (%s)",
1748 w, win, win->GetClassInfo()->GetClassName());
1749
1750 return TRUE;
1751}
1752
1753wxWindow *wxGetWindowFromTable(Widget w)
1754{
1755 return (wxWindow *)wxWidgetHashTable->Get((long) w);
1756}
1757
1758void wxDeleteWindowFromTable(Widget w)
1759{
1760 wxWidgetHashTable->Delete((long)w);
1761}
1762
1763// ----------------------------------------------------------------------------
1764// add/remove window from the table
1765// ----------------------------------------------------------------------------
1766
1767// Add to hash table, add event handler
1768bool wxWindow::AttachWidget (wxWindow* WXUNUSED(parent), WXWidget mainWidget,
1769 WXWidget formWidget, int x, int y, int width, int height)
1770{
1771 wxAddWindowToTable((Widget) mainWidget, this);
1772 if (CanAddEventHandler())
1773 {
1774 XtAddEventHandler((Widget) mainWidget,
1775 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1776 False,
1777 wxPanelItemEventHandler,
1778 (XtPointer) this);
1779 }
1780
1781 if (!formWidget)
1782 {
1783 XtTranslations ptr;
1784 XtOverrideTranslations ((Widget) mainWidget,
1785 ptr = XtParseTranslationTable ("<Configure>: resize()"));
1786 XtFree ((char *) ptr);
1787 }
1788
1789 // Some widgets have a parent form widget, e.g. wxRadioBox
1790 if (formWidget)
1791 {
1792 if (!wxAddWindowToTable((Widget) formWidget, this))
1793 return FALSE;
1794
1795 XtTranslations ptr;
1796 XtOverrideTranslations ((Widget) formWidget,
1797 ptr = XtParseTranslationTable ("<Configure>: resize()"));
1798 XtFree ((char *) ptr);
1799 }
1800
1801 if (x == -1)
1802 x = 0;
1803 if (y == -1)
1804 y = 0;
1805 SetSize (x, y, width, height);
1806
1807 return TRUE;
1808}
1809
1810// Remove event handler, remove from hash table
1811bool wxWindow::DetachWidget(WXWidget widget)
1812{
1813 if (CanAddEventHandler())
1814 {
1815 XtRemoveEventHandler((Widget) widget,
1816 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1817 False,
1818 wxPanelItemEventHandler,
1819 (XtPointer)this);
1820 }
1821
1822 wxDeleteWindowFromTable((Widget) widget);
1823 return TRUE;
1824}
1825
1826// ----------------------------------------------------------------------------
1827// Motif-specific accessors
1828// ----------------------------------------------------------------------------
1829
1830// Get the underlying X window
1831WXWindow wxWindow::GetXWindow() const
1832{
1833 Widget wMain = (Widget)GetMainWidget();
1834 if ( wMain )
1835 return (WXWindow) XtWindow(wMain);
1836 else
1837 return (WXWindow) 0;
1838}
1839
1840// Get the underlying X display
1841WXDisplay *wxWindow::GetXDisplay() const
1842{
1843 Widget wMain = (Widget)GetMainWidget();
1844 if ( wMain )
1845 return (WXDisplay*) XtDisplay(wMain);
1846 else
1847 return (WXDisplay*) NULL;
1848}
1849
1850WXWidget wxWindow::GetMainWidget() const
1851{
1852 if (m_drawingArea)
1853 return m_drawingArea;
1854 else
1855 return m_mainWidget;
1856}
1857
1858WXWidget wxWindow::GetClientWidget() const
1859{
1860 if (m_drawingArea != (WXWidget) 0)
1861 return m_drawingArea;
1862 else
1863 return GetMainWidget();
1864}
1865
1866WXWidget wxWindow::GetTopWidget() const
1867{
1868 return GetMainWidget();
1869}
1870
1871WXWidget wxWindow::GetLabelWidget() const
1872{
1873 return GetMainWidget();
1874}
1875
1876// ----------------------------------------------------------------------------
1877// Motif callbacks
1878// ----------------------------------------------------------------------------
1879
1880// All widgets should have this as their resize proc.
1881// OnSize sent to wxWindow via client data.
1882void wxWidgetResizeProc(Widget w, XConfigureEvent *WXUNUSED(event), String WXUNUSED(args)[], int *WXUNUSED(num_args))
1883{
1884 wxWindow *win = wxGetWindowFromTable(w);
1885 if (!win)
1886 return;
1887
1888 if (win->PreResize())
1889 {
1890 int width, height;
1891 win->GetSize(&width, &height);
1892 wxSizeEvent sizeEvent(wxSize(width, height), win->GetId());
1893 sizeEvent.SetEventObject(win);
1894 win->GetEventHandler()->ProcessEvent(sizeEvent);
1895 }
1896}
1897
1898static void wxCanvasRepaintProc(Widget drawingArea,
1899 XtPointer clientData,
1900 XmDrawingAreaCallbackStruct * cbs)
1901{
1902 if (!wxGetWindowFromTable(drawingArea))
1903 return;
1904
1905 XEvent * event = cbs->event;
1906 wxWindow * win = (wxWindow *) clientData;
1907
1908 switch (event->type)
1909 {
1910 case Expose:
1911 {
1912 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
1913 event->xexpose.width, event->xexpose.height);
1914
1915 if (event -> xexpose.count == 0)
1916 {
1917 win->DoPaint();
1918 win->ClearUpdateRects();
1919 }
1920 break;
1921 }
1922 }
1923}
1924
1925// Unable to deal with Enter/Leave without a separate EventHandler (Motif 1.1.4)
1926static void wxCanvasEnterLeave(Widget drawingArea,
1927 XtPointer WXUNUSED(clientData),
1928 XCrossingEvent * event)
1929{
1930 XmDrawingAreaCallbackStruct cbs;
1931 XEvent ev;
1932
1933 ((XCrossingEvent &) ev) = *event;
1934
1935 cbs.reason = XmCR_INPUT;
1936 cbs.event = &ev;
1937
1938 wxCanvasInputEvent(drawingArea, (XtPointer) NULL, &cbs);
1939}
1940
1941// Fix to make it work under Motif 1.0 (!)
1942static void wxCanvasMotionEvent (Widget WXUNUSED(drawingArea), XButtonEvent * WXUNUSED(event))
1943{
1944#if XmVersion <= 1000
1945 XmDrawingAreaCallbackStruct cbs;
1946 XEvent ev;
1947
1948 ev = *((XEvent *) event);
1949 cbs.reason = XmCR_INPUT;
1950 cbs.event = &ev;
1951
1952 wxCanvasInputEvent (drawingArea, (XtPointer) NULL, &cbs);
1953#endif // XmVersion <= 1000
1954}
1955
1956static void wxCanvasInputEvent(Widget drawingArea,
1957 XtPointer WXUNUSED(data),
1958 XmDrawingAreaCallbackStruct * cbs)
1959{
1960 wxWindow *canvas = wxGetWindowFromTable(drawingArea);
1961 XEvent local_event;
1962
1963 if (canvas==NULL)
1964 return;
1965
1966 if (cbs->reason != XmCR_INPUT)
1967 return;
1968
1969 local_event = *(cbs->event); // We must keep a copy!
1970
1971 switch (local_event.xany.type)
1972 {
1973 case EnterNotify:
1974 case LeaveNotify:
1975 case ButtonPress:
1976 case ButtonRelease:
1977 case MotionNotify:
1978 {
1979 // FIXME: most of this mouse event code is more or less
1980 // duplicated in wxTranslateMouseEvent
1981 //
1982 wxEventType eventType = wxEVT_NULL;
1983
1984 if (local_event.xany.type == EnterNotify)
1985 {
1986 //if (local_event.xcrossing.mode!=NotifyNormal)
1987 // return ; // Ignore grab events
1988 eventType = wxEVT_ENTER_WINDOW;
1989 // canvas->GetEventHandler()->OnSetFocus();
1990 }
1991 else if (local_event.xany.type == LeaveNotify)
1992 {
1993 //if (local_event.xcrossingr.mode!=NotifyNormal)
1994 // return ; // Ignore grab events
1995 eventType = wxEVT_LEAVE_WINDOW;
1996 // canvas->GetEventHandler()->OnKillFocus();
1997 }
1998 else if (local_event.xany.type == MotionNotify)
1999 {
2000 eventType = wxEVT_MOTION;
2001 }
2002
2003 else if (local_event.xany.type == ButtonPress)
2004 {
2005 if (local_event.xbutton.button == Button1)
2006 {
2007 eventType = wxEVT_LEFT_DOWN;
2008 canvas->SetButton1(TRUE);
2009 }
2010 else if (local_event.xbutton.button == Button2)
2011 {
2012 eventType = wxEVT_MIDDLE_DOWN;
2013 canvas->SetButton2(TRUE);
2014 }
2015 else if (local_event.xbutton.button == Button3)
2016 {
2017 eventType = wxEVT_RIGHT_DOWN;
2018 canvas->SetButton3(TRUE);
2019 }
2020 }
2021 else if (local_event.xany.type == ButtonRelease)
2022 {
2023 if (local_event.xbutton.button == Button1)
2024 {
2025 eventType = wxEVT_LEFT_UP;
2026 canvas->SetButton1(FALSE);
2027 }
2028 else if (local_event.xbutton.button == Button2)
2029 {
2030 eventType = wxEVT_MIDDLE_UP;
2031 canvas->SetButton2(FALSE);
2032 }
2033 else if (local_event.xbutton.button == Button3)
2034 {
2035 eventType = wxEVT_RIGHT_UP;
2036 canvas->SetButton3(FALSE);
2037 }
2038 }
2039
2040 wxMouseEvent wxevent (eventType);
2041
2042 wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2043 || (event_left_is_down (&local_event)
2044 && (eventType != wxEVT_LEFT_UP)));
2045 wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2046 || (event_middle_is_down (&local_event)
2047 && (eventType != wxEVT_MIDDLE_UP)));
2048 wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2049 || (event_right_is_down (&local_event)
2050 && (eventType != wxEVT_RIGHT_UP)));
2051
2052 wxevent.m_shiftDown = local_event.xbutton.state & ShiftMask;
2053 wxevent.m_controlDown = local_event.xbutton.state & ControlMask;
2054 wxevent.m_altDown = local_event.xbutton.state & Mod3Mask;
2055 wxevent.m_metaDown = local_event.xbutton.state & Mod1Mask;
2056 wxevent.SetTimestamp(local_event.xbutton.time);
2057
2058 if ( eventType == wxEVT_MOTION )
2059 {
2060 if (local_event.xmotion.is_hint == NotifyHint)
2061 {
2062 Window root, child;
2063 Display *dpy = XtDisplay (drawingArea);
2064
2065 XQueryPointer (dpy, XtWindow (drawingArea),
2066 &root, &child,
2067 &local_event.xmotion.x_root,
2068 &local_event.xmotion.y_root,
2069 &local_event.xmotion.x,
2070 &local_event.xmotion.y,
2071 &local_event.xmotion.state);
2072 }
2073 else
2074 {
2075 }
2076 }
2077
2078 // Now check if we need to translate this event into a double click
2079 if (TRUE) // canvas->doubleClickAllowed)
2080 {
2081 if (wxevent.ButtonDown())
2082 {
2083 long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2084
2085 // get button and time-stamp
2086 int button = 0;
2087 if (wxevent.LeftDown())
2088 button = 1;
2089 else if (wxevent.MiddleDown())
2090 button = 2;
2091 else if (wxevent.RightDown())
2092 button = 3;
2093 long ts = wxevent.GetTimestamp();
2094
2095 // check, if single or double click
2096 int buttonLast = canvas->GetLastClickedButton();
2097 long lastTS = canvas->GetLastClickTime();
2098 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2099 {
2100 // I have a dclick
2101 canvas->SetLastClick(0, ts);
2102
2103 wxEventType typeDouble;
2104 if ( eventType == wxEVT_LEFT_DOWN )
2105 typeDouble = wxEVT_LEFT_DCLICK;
2106 else if ( eventType == wxEVT_MIDDLE_DOWN )
2107 typeDouble = wxEVT_MIDDLE_DCLICK;
2108 else if ( eventType == wxEVT_RIGHT_DOWN )
2109 typeDouble = wxEVT_RIGHT_DCLICK;
2110 else
2111 typeDouble = wxEVT_NULL;
2112
2113 if ( typeDouble != wxEVT_NULL )
2114 {
2115 wxevent.SetEventType(typeDouble);
2116 }
2117 }
2118 else
2119 {
2120 // not fast enough or different button
2121 canvas->SetLastClick(button, ts);
2122 }
2123 }
2124 }
2125
2126 wxevent.SetId(canvas->GetId());
2127 wxevent.SetEventObject(canvas);
2128 wxevent.m_x = local_event.xbutton.x;
2129 wxevent.m_y = local_event.xbutton.y;
2130 canvas->GetEventHandler()->ProcessEvent (wxevent);
2131#if 0
2132 if (eventType == wxEVT_ENTER_WINDOW ||
2133 eventType == wxEVT_LEAVE_WINDOW ||
2134 eventType == wxEVT_MOTION
2135 )
2136 return;
2137#endif // 0
2138 break;
2139 }
2140 case KeyPress:
2141 {
2142 KeySym keySym;
2143#if 0
2144 XComposeStatus compose;
2145 (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, &compose);
2146#endif // 0
2147
2148 (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2149 int id = wxCharCodeXToWX (keySym);
2150
2151 wxEventType eventType = wxEVT_CHAR;
2152
2153 wxKeyEvent event (eventType);
2154
2155 if (local_event.xkey.state & ShiftMask)
2156 event.m_shiftDown = TRUE;
2157 if (local_event.xkey.state & ControlMask)
2158 event.m_controlDown = TRUE;
2159 if (local_event.xkey.state & Mod3Mask)
2160 event.m_altDown = TRUE;
2161 if (local_event.xkey.state & Mod1Mask)
2162 event.m_metaDown = TRUE;
2163 event.SetEventObject(canvas);
2164 event.m_keyCode = id;
2165 event.SetTimestamp(local_event.xkey.time);
2166
2167 if (id > -1)
2168 {
2169 // Implement wxFrame::OnCharHook by checking ancestor.
2170 wxWindow *parent = canvas->GetParent();
2171 while (parent && !parent->IsKindOf(CLASSINFO(wxFrame)))
2172 parent = parent->GetParent();
2173
2174 if (parent)
2175 {
2176 event.SetEventType(wxEVT_CHAR_HOOK);
2177 if (parent->GetEventHandler()->ProcessEvent(event))
2178 return;
2179 }
2180
2181 // For simplicity, OnKeyDown is the same as OnChar
2182 // TODO: filter modifier key presses from OnChar
2183 event.SetEventType(wxEVT_KEY_DOWN);
2184
2185 // Only process OnChar if OnKeyDown didn't swallow it
2186 if (!canvas->GetEventHandler()->ProcessEvent (event))
2187 {
2188 event.SetEventType(wxEVT_CHAR);
2189 canvas->GetEventHandler()->ProcessEvent (event);
2190 }
2191 }
2192 break;
2193 }
2194 case KeyRelease:
2195 {
2196 KeySym keySym;
2197 (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2198 int id = wxCharCodeXToWX (keySym);
2199
2200 wxKeyEvent event (wxEVT_KEY_UP);
2201
2202 if (local_event.xkey.state & ShiftMask)
2203 event.m_shiftDown = TRUE;
2204 if (local_event.xkey.state & ControlMask)
2205 event.m_controlDown = TRUE;
2206 if (local_event.xkey.state & Mod3Mask)
2207 event.m_altDown = TRUE;
2208 if (local_event.xkey.state & Mod1Mask)
2209 event.m_metaDown = TRUE;
2210 event.SetEventObject(canvas);
2211 event.m_keyCode = id;
2212 event.SetTimestamp(local_event.xkey.time);
2213
2214 if (id > -1)
2215 {
2216 canvas->GetEventHandler()->ProcessEvent (event);
2217 }
2218 break;
2219 }
2220 case FocusIn:
2221 {
2222 if (local_event.xfocus.detail != NotifyPointer)
2223 {
2224 wxFocusEvent event(wxEVT_SET_FOCUS, canvas->GetId());
2225 event.SetEventObject(canvas);
2226 canvas->GetEventHandler()->ProcessEvent(event);
2227 }
2228 break;
2229 }
2230 case FocusOut:
2231 {
2232 if (local_event.xfocus.detail != NotifyPointer)
2233 {
2234 wxFocusEvent event(wxEVT_KILL_FOCUS, canvas->GetId());
2235 event.SetEventObject(canvas);
2236 canvas->GetEventHandler()->ProcessEvent(event);
2237 }
2238 break;
2239 }
2240 default:
2241 break;
2242 }
2243}
2244
2245static void wxPanelItemEventHandler(Widget wid,
2246 XtPointer WXUNUSED(client_data),
2247 XEvent* event,
2248 Boolean *continueToDispatch)
2249{
2250 // Widget can be a label or the actual widget.
2251
2252 wxWindow *window = wxGetWindowFromTable(wid);
2253 if (window)
2254 {
2255 wxMouseEvent wxevent(0);
2256 if (wxTranslateMouseEvent(wxevent, window, wid, event))
2257 {
2258 window->GetEventHandler()->ProcessEvent(wxevent);
2259 }
2260 }
2261
2262 // TODO: probably the key to allowing default behaviour to happen. Say we
2263 // set a m_doDefault flag to FALSE at the start of this function. Then in
2264 // e.g. wxWindow::OnMouseEvent we can call Default() which sets this flag to
2265 // TRUE, indicating that default processing can happen. Thus, behaviour can
2266 // appear to be overridden just by adding an event handler and not calling
2267 // wxWindow::OnWhatever. ALSO, maybe we can use this instead of the current
2268 // way of handling drawing area events, to simplify things.
2269 *continueToDispatch = True;
2270}
2271
2272static void wxScrollBarCallback(Widget scrollbar,
2273 XtPointer clientData,
2274 XmScrollBarCallbackStruct *cbs)
2275{
2276 wxWindow *win = wxGetWindowFromTable(scrollbar);
2277 int orientation = (int) clientData;
2278
2279 wxEventType eventType = wxEVT_NULL;
2280 switch (cbs->reason)
2281 {
2282 case XmCR_INCREMENT:
2283 {
2284 eventType = wxEVT_SCROLLWIN_LINEDOWN;
2285 break;
2286 }
2287 case XmCR_DECREMENT:
2288 {
2289 eventType = wxEVT_SCROLLWIN_LINEUP;
2290 break;
2291 }
2292 case XmCR_DRAG:
2293 {
2294 eventType = wxEVT_SCROLLWIN_THUMBTRACK;
2295 break;
2296 }
2297 case XmCR_VALUE_CHANGED:
2298 {
2299 eventType = wxEVT_SCROLLWIN_THUMBRELEASE;
2300 break;
2301 }
2302 case XmCR_PAGE_INCREMENT:
2303 {
2304 eventType = wxEVT_SCROLLWIN_PAGEDOWN;
2305 break;
2306 }
2307 case XmCR_PAGE_DECREMENT:
2308 {
2309 eventType = wxEVT_SCROLLWIN_PAGEUP;
2310 break;
2311 }
2312 case XmCR_TO_TOP:
2313 {
2314 eventType = wxEVT_SCROLLWIN_TOP;
2315 break;
2316 }
2317 case XmCR_TO_BOTTOM:
2318 {
2319 eventType = wxEVT_SCROLLWIN_BOTTOM;
2320 break;
2321 }
2322 default:
2323 {
2324 // Should never get here
2325 wxFAIL_MSG("Unknown scroll event.");
2326 break;
2327 }
2328 }
2329
2330 wxScrollWinEvent event(eventType,
2331 cbs->value,
2332 ((orientation == XmHORIZONTAL) ?
2333 wxHORIZONTAL : wxVERTICAL));
2334 event.SetEventObject( win );
2335 win->GetEventHandler()->ProcessEvent(event);
2336}
2337
2338// For repainting arbitrary windows
2339void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *)
2340{
2341 Window window;
2342 Display *display;
2343
2344 wxWindow* win = wxGetWindowFromTable(w);
2345 if (!win)
2346 return;
2347
2348 switch(event -> type)
2349 {
2350 case Expose:
2351 {
2352 window = (Window) win -> GetXWindow();
2353 display = (Display *) win -> GetXDisplay();
2354
2355 if (event -> xexpose.count == 0)
2356 {
2357 win->DoPaint();
2358
2359 win->ClearUpdateRects();
2360 }
2361 else
2362 {
2363 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
2364 event->xexpose.width, event->xexpose.height);
2365 }
2366
2367 break;
2368 }
2369 }
2370}
2371
2372// ----------------------------------------------------------------------------
2373// CanvaseXXXSize() functions
2374// ----------------------------------------------------------------------------
2375
2376// SetSize, but as per old wxCanvas (with drawing widget etc.)
2377void wxWindow::CanvasSetSize (int x, int y, int w, int h, int sizeFlags)
2378{
2379 // A bit of optimization to help sort out the flickers.
2380 int oldX, oldY, oldW, oldH;
2381 GetSize(& oldW, & oldH);
2382 GetPosition(& oldX, & oldY);
2383
2384 bool useOldPos = FALSE;
2385 bool useOldSize = FALSE;
2386
2387 if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
2388 useOldPos = TRUE;
2389 else if (x == oldX && y == oldY)
2390 useOldPos = TRUE;
2391
2392 if ((w == -1) && (h == -1))
2393 useOldSize = TRUE;
2394 else if (w == oldW && h == oldH)
2395 useOldSize = TRUE;
2396
2397 if (!wxNoOptimize::CanOptimize())
2398 {
2399 useOldSize = FALSE; useOldPos = FALSE;
2400 }
2401
2402 if (useOldPos && useOldSize)
2403 return;
2404
2405 Widget drawingArea = (Widget) m_drawingArea;
2406 bool managed = XtIsManaged(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2407
2408 if (managed)
2409 XtUnmanageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2410 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2411
2412 int xx = x; int yy = y;
2413 AdjustForParentClientOrigin(xx, yy, sizeFlags);
2414
2415 if (!useOldPos)
2416 {
2417 if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2418 {
2419 XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2420 XmNx, xx, NULL);
2421 }
2422
2423 if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2424 {
2425 XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2426 XmNy, yy, NULL);
2427 }
2428 }
2429
2430 if (!useOldSize)
2431 {
2432
2433 if (w > -1)
2434 {
2435 if (m_borderWidget)
2436 {
2437 XtVaSetValues ((Widget) m_borderWidget, XmNwidth, w, NULL);
2438 short thick, margin;
2439 XtVaGetValues ((Widget) m_borderWidget,
2440 XmNshadowThickness, &thick,
2441 XmNmarginWidth, &margin,
2442 NULL);
2443 w -= 2 * (thick + margin);
2444 }
2445
2446 XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
2447
2448 Dimension spacing;
2449 Widget sbar;
2450 XtVaGetValues ((Widget) m_scrolledWindow,
2451 XmNspacing, &spacing,
2452 XmNverticalScrollBar, &sbar,
2453 NULL);
2454 Dimension wsbar;
2455 if (sbar)
2456 XtVaGetValues (sbar, XmNwidth, &wsbar, NULL);
2457 else
2458 wsbar = 0;
2459
2460 w -= (spacing + wsbar);
2461
2462#if 0
2463 XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2464#endif // 0
2465 }
2466 if (h > -1)
2467 {
2468 if (m_borderWidget)
2469 {
2470 XtVaSetValues ((Widget) m_borderWidget, XmNheight, h, NULL);
2471 short thick, margin;
2472 XtVaGetValues ((Widget) m_borderWidget,
2473 XmNshadowThickness, &thick,
2474 XmNmarginHeight, &margin,
2475 NULL);
2476 h -= 2 * (thick + margin);
2477 }
2478
2479 XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
2480
2481 Dimension spacing;
2482 Widget sbar;
2483 XtVaGetValues ((Widget) m_scrolledWindow,
2484 XmNspacing, &spacing,
2485 XmNhorizontalScrollBar, &sbar,
2486 NULL);
2487 Dimension wsbar;
2488 if (sbar)
2489 XtVaGetValues (sbar, XmNheight, &wsbar, NULL);
2490 else
2491 wsbar = 0;
2492
2493 h -= (spacing + wsbar);
2494
2495#if 0
2496 XtVaSetValues(drawingArea, XmNheight, h, NULL);
2497#endif // 0
2498 }
2499 }
2500
2501 if (managed)
2502 XtManageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2503 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2504
2505#if 0
2506 int ww, hh;
2507 GetClientSize (&ww, &hh);
2508 wxSizeEvent sizeEvent(wxSize(ww, hh), GetId());
2509 sizeEvent.SetEventObject(this);
2510
2511 GetEventHandler()->ProcessEvent(sizeEvent);
2512#endif // 0
2513}
2514
2515void wxWindow::CanvasSetClientSize (int w, int h)
2516{
2517 Widget drawingArea = (Widget) m_drawingArea;
2518
2519 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2520
2521 if (w > -1)
2522 XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2523 if (h > -1)
2524 XtVaSetValues(drawingArea, XmNheight, h, NULL);
2525
2526#if 0
2527 // TODO: is this necessary?
2528 allowRepainting = FALSE;
2529
2530 XSync (XtDisplay (drawingArea), FALSE);
2531 XEvent event;
2532 while (XtAppPending (wxTheApp->appContext))
2533 {
2534 XFlush (XtDisplay (drawingArea));
2535 XtAppNextEvent (wxTheApp->appContext, &event);
2536 XtDispatchEvent (&event);
2537 }
2538#endif // 0
2539
2540 XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2541
2542#if 0
2543 allowRepainting = TRUE;
2544 DoRefresh ();
2545
2546 wxSizeEvent sizeEvent(wxSize(w, h), GetId());
2547 sizeEvent.SetEventObject(this);
2548
2549 GetEventHandler()->ProcessEvent(sizeEvent);
2550#endif // 0
2551}
2552
2553void wxWindow::CanvasGetClientSize (int *w, int *h) const
2554{
2555 // Must return the same thing that was set via SetClientSize
2556 Dimension xx, yy;
2557 XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2558 *w = xx;
2559 *h = yy;
2560}
2561
2562void wxWindow::CanvasGetSize (int *w, int *h) const
2563{
2564 Dimension xx, yy;
2565 if ((Widget) m_borderWidget)
2566 XtVaGetValues ((Widget) m_borderWidget, XmNwidth, &xx, XmNheight, &yy, NULL);
2567 else if ((Widget) m_scrolledWindow)
2568 XtVaGetValues ((Widget) m_scrolledWindow, XmNwidth, &xx, XmNheight, &yy, NULL);
2569 else
2570 XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2571
2572 *w = xx;
2573 *h = yy;
2574}
2575
2576void wxWindow::CanvasGetPosition (int *x, int *y) const
2577{
2578 Position xx, yy;
2579 XtVaGetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow, XmNx, &xx, XmNy, &yy, NULL);
2580
2581 // We may be faking the client origin.
2582 // So a window that's really at (0, 30) may appear
2583 // (to wxWin apps) to be at (0, 0).
2584 if (GetParent())
2585 {
2586 wxPoint pt(GetParent()->GetClientAreaOrigin());
2587 xx -= pt.x;
2588 yy -= pt.y;
2589 }
2590
2591 *x = xx;
2592 *y = yy;
2593}
2594
2595// ----------------------------------------------------------------------------
2596// TranslateXXXEvent() functions
2597// ----------------------------------------------------------------------------
2598
2599bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
2600{
2601 switch (xevent->xany.type)
2602 {
2603 case EnterNotify: // never received here - yes ? MB
2604 case LeaveNotify: // never received here - yes ? MB
2605 case ButtonPress:
2606 case ButtonRelease:
2607 case MotionNotify:
2608 {
2609 wxEventType eventType = wxEVT_NULL;
2610
2611 // FIXME: this is never true I think - MB
2612 //
2613 if (xevent->xany.type == LeaveNotify)
2614 {
2615 win->SetButton1(FALSE);
2616 win->SetButton2(FALSE);
2617 win->SetButton3(FALSE);
2618 return FALSE;
2619 }
2620 else if (xevent->xany.type == MotionNotify)
2621 {
2622 eventType = wxEVT_MOTION;
2623 }
2624 else if (xevent->xany.type == ButtonPress)
2625 {
2626 wxevent.SetTimestamp(xevent->xbutton.time);
2627 int button = 0;
2628 if (xevent->xbutton.button == Button1)
2629 {
2630 eventType = wxEVT_LEFT_DOWN;
2631 win->SetButton1(TRUE);
2632 button = 1;
2633 }
2634 else if (xevent->xbutton.button == Button2)
2635 {
2636 eventType = wxEVT_MIDDLE_DOWN;
2637 win->SetButton2(TRUE);
2638 button = 2;
2639 }
2640 else if (xevent->xbutton.button == Button3)
2641 {
2642 eventType = wxEVT_RIGHT_DOWN;
2643 win->SetButton3(TRUE);
2644 button = 3;
2645 }
2646
2647 // check for a double click
2648 //
2649 long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2650 long ts = wxevent.GetTimestamp();
2651
2652 int buttonLast = win->GetLastClickedButton();
2653 long lastTS = win->GetLastClickTime();
2654 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2655 {
2656 // I have a dclick
2657 win->SetLastClick(0, ts);
2658 if ( eventType == wxEVT_LEFT_DOWN )
2659 eventType = wxEVT_LEFT_DCLICK;
2660 else if ( eventType == wxEVT_MIDDLE_DOWN )
2661 eventType = wxEVT_MIDDLE_DCLICK;
2662 else if ( eventType == wxEVT_RIGHT_DOWN )
2663 eventType = wxEVT_RIGHT_DCLICK;
2664 }
2665 else
2666 {
2667 // not fast enough or different button
2668 win->SetLastClick(button, ts);
2669 }
2670 }
2671 else if (xevent->xany.type == ButtonRelease)
2672 {
2673 if (xevent->xbutton.button == Button1)
2674 {
2675 eventType = wxEVT_LEFT_UP;
2676 win->SetButton1(FALSE);
2677 }
2678 else if (xevent->xbutton.button == Button2)
2679 {
2680 eventType = wxEVT_MIDDLE_UP;
2681 win->SetButton2(FALSE);
2682 }
2683 else if (xevent->xbutton.button == Button3)
2684 {
2685 eventType = wxEVT_RIGHT_UP;
2686 win->SetButton3(FALSE);
2687 }
2688 else return FALSE;
2689 }
2690 else
2691 {
2692 return FALSE;
2693 }
2694
2695 wxevent.SetEventType(eventType);
2696
2697 Position x1, y1;
2698 XtVaGetValues(widget, XmNx, &x1, XmNy, &y1, NULL);
2699
2700 int x2, y2;
2701 win->GetPosition(&x2, &y2);
2702
2703 // The button x/y must be translated to wxWindows
2704 // window space - the widget might be a label or button,
2705 // within a form.
2706 int dx = 0;
2707 int dy = 0;
2708 if (widget != (Widget)win->GetMainWidget())
2709 {
2710 dx = x1;
2711 dy = y1;
2712 }
2713
2714 wxevent.m_x = xevent->xbutton.x + dx;
2715 wxevent.m_y = xevent->xbutton.y + dy;
2716
2717 wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2718 || (event_left_is_down (xevent)
2719 && (eventType != wxEVT_LEFT_UP)));
2720 wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2721 || (event_middle_is_down (xevent)
2722 && (eventType != wxEVT_MIDDLE_UP)));
2723 wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2724 || (event_right_is_down (xevent)
2725 && (eventType != wxEVT_RIGHT_UP)));
2726
2727 wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
2728 wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
2729 wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
2730 wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
2731
2732 wxevent.SetId(win->GetId());
2733 wxevent.SetEventObject(win);
2734
2735 return TRUE;
2736 }
2737 }
2738 return FALSE;
2739}
2740
2741bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget WXUNUSED(widget), XEvent *xevent)
2742{
2743 switch (xevent->xany.type)
2744 {
2745 case KeyPress:
2746 case KeyRelease:
2747 {
2748 char buf[20];
2749
2750 KeySym keySym;
2751#if 0
2752 XComposeStatus compose;
2753 (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, &compose);
2754#endif // 0
2755 (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
2756 int id = wxCharCodeXToWX (keySym);
2757
2758 if (xevent->xkey.state & ShiftMask)
2759 wxevent.m_shiftDown = TRUE;
2760 if (xevent->xkey.state & ControlMask)
2761 wxevent.m_controlDown = TRUE;
2762 if (xevent->xkey.state & Mod3Mask)
2763 wxevent.m_altDown = TRUE;
2764 if (xevent->xkey.state & Mod1Mask)
2765 wxevent.m_metaDown = TRUE;
2766 wxevent.SetEventObject(win);
2767 wxevent.m_keyCode = id;
2768 wxevent.SetTimestamp(xevent->xkey.time);
2769
2770 wxevent.m_x = xevent->xbutton.x;
2771 wxevent.m_y = xevent->xbutton.y;
2772
2773 if (id > -1)
2774 return TRUE;
2775 else
2776 return FALSE;
2777 break;
2778 }
2779 default:
2780 break;
2781 }
2782 return FALSE;
2783}
2784
2785// ----------------------------------------------------------------------------
2786// Colour stuff
2787// ----------------------------------------------------------------------------
2788
2789#define YAllocColor XAllocColor
2790XColor g_itemColors[5];
2791int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
2792{
2793 int result;
2794 static XmColorProc colorProc;
2795
2796 result = wxNO_COLORS;
2797
2798 if (back)
2799 {
2800 g_itemColors[0].red = (((long) back->Red ()) << 8);
2801 g_itemColors[0].green = (((long) back->Green ()) << 8);
2802 g_itemColors[0].blue = (((long) back->Blue ()) << 8);
2803 g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
2804 if (colorProc == (XmColorProc) NULL)
2805 {
2806 // Get a ptr to the actual function
2807 colorProc = XmSetColorCalculation ((XmColorProc) NULL);
2808 // And set it back to motif.
2809 XmSetColorCalculation (colorProc);
2810 }
2811 (*colorProc) (&g_itemColors[wxBACK_INDEX],
2812 &g_itemColors[wxFORE_INDEX],
2813 &g_itemColors[wxSELE_INDEX],
2814 &g_itemColors[wxTOPS_INDEX],
2815 &g_itemColors[wxBOTS_INDEX]);
2816 result = wxBACK_COLORS;
2817 }
2818 if (fore)
2819 {
2820 g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
2821 g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
2822 g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
2823 g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
2824 if (result == wxNO_COLORS)
2825 result = wxFORE_COLORS;
2826 }
2827
2828 Display *dpy = display;
2829 Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
2830
2831 if (back)
2832 {
2833 /* 5 Colours to allocate */
2834 for (int i = 0; i < 5; i++)
2835 if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
2836 result = wxNO_COLORS;
2837 }
2838 else if (fore)
2839 {
2840 /* Only 1 colour to allocate */
2841 if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
2842 result = wxNO_COLORS;
2843 }
2844
2845 return (result);
2846
2847}
2848
2849// Changes the foreground and background colours to be derived from the current
2850// background colour. To change the foreground colour, you must call
2851// SetForegroundColour explicitly.
2852void wxWindow::ChangeBackgroundColour()
2853{
2854 WXWidget mainWidget = GetMainWidget();
2855 if ( mainWidget )
2856 DoChangeBackgroundColour(mainWidget, m_backgroundColour);
2857
2858 // This not necessary
2859#if 0
2860
2861 if (m_scrolledWindow && (GetMainWidget() != m_scrolledWindow))
2862 {
2863 DoChangeBackgroundColour(m_scrolledWindow, m_backgroundColour);
2864 // Have to set the scrollbar colours back since
2865 // the scrolled window seemed to change them
2866 wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
2867
2868 if (m_hScrollBar)
2869 DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
2870 if (m_vScrollBar)
2871 DoChangeBackgroundColour(m_vScrollBar, backgroundColour);
2872 }
2873#endif
2874}
2875
2876void wxWindow::ChangeForegroundColour()
2877{
2878 WXWidget mainWidget = GetMainWidget();
2879 if ( mainWidget )
2880 DoChangeForegroundColour(mainWidget, m_foregroundColour);
2881 if ( m_scrolledWindow && mainWidget != m_scrolledWindow )
2882 DoChangeForegroundColour(m_scrolledWindow, m_foregroundColour);
2883}
2884
2885// Change a widget's foreground and background colours.
2886void wxWindow::DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
2887{
2888 // When should we specify the foreground, if it's calculated
2889 // by wxComputeColours?
2890 // Solution: say we start with the default (computed) foreground colour.
2891 // If we call SetForegroundColour explicitly for a control or window,
2892 // then the foreground is changed.
2893 // Therefore SetBackgroundColour computes the foreground colour, and
2894 // SetForegroundColour changes the foreground colour. The ordering is
2895 // important.
2896
2897 Widget w = (Widget)widget;
2898 XtVaSetValues(
2899 w,
2900 XmNforeground, foregroundColour.AllocColour(XtDisplay(w)),
2901 NULL
2902 );
2903}
2904
2905void wxWindow::DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
2906{
2907 wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
2908 (wxColour*) NULL);
2909
2910 XtVaSetValues ((Widget) widget,
2911 XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
2912 XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
2913 XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
2914 XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
2915 NULL);
2916
2917 if (changeArmColour)
2918 XtVaSetValues ((Widget) widget,
2919 XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
2920 NULL);
2921}
2922
2923bool wxWindow::SetBackgroundColour(const wxColour& col)
2924{
2925 if ( !wxWindowBase::SetBackgroundColour(col) )
2926 return FALSE;
2927
2928 ChangeBackgroundColour();
2929
2930 return TRUE;
2931}
2932
2933bool wxWindow::SetForegroundColour(const wxColour& col)
2934{
2935 if ( !wxWindowBase::SetForegroundColour(col) )
2936 return FALSE;
2937
2938 ChangeForegroundColour();
2939
2940 return TRUE;
2941}
2942
2943void wxWindow::ChangeFont(bool keepOriginalSize)
2944{
2945 // Note that this causes the widget to be resized back
2946 // to its original size! We therefore have to set the size
2947 // back again. TODO: a better way in Motif?
2948 Widget w = (Widget) GetLabelWidget(); // Usually the main widget
2949 if (w && m_font.Ok())
2950 {
2951 int width, height, width1, height1;
2952 GetSize(& width, & height);
2953
2954 // lesstif 0.87 hangs here
2955#ifndef LESSTIF_VERSION
2956 XtVaSetValues (w,
2957 XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay(w)),
2958 NULL);
2959#endif
2960
2961 GetSize(& width1, & height1);
2962 if (keepOriginalSize && (width != width1 || height != height1))
2963 {
2964 SetSize(-1, -1, width, height);
2965 }
2966 }
2967}
2968
2969// ----------------------------------------------------------------------------
2970// global functions
2971// ----------------------------------------------------------------------------
2972
2973wxWindow *wxGetActiveWindow()
2974{
2975 // TODO
2976 wxFAIL_MSG("Not implemented");
2977 return NULL;
2978}
2979
2980// Find the wxWindow at the current mouse position, returning the mouse
2981// position.
2982wxWindow* wxFindWindowAtPointer(wxPoint& pt)
2983{
2984 return wxFindWindowAtPoint(wxGetMousePosition());
2985}
2986
2987// Get the current mouse position.
2988wxPoint wxGetMousePosition()
2989{
2990 Display *display = (Display*) wxGetDisplay();
2991 Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
2992 Window rootReturn, childReturn;
2993 int rootX, rootY, winX, winY;
2994 unsigned int maskReturn;
2995
2996 XQueryPointer (display,
2997 rootWindow,
2998 &rootReturn,
2999 &childReturn,
3000 &rootX, &rootY, &winX, &winY, &maskReturn);
3001 return wxPoint(rootX, rootY);
3002}
3003
3004// ----------------------------------------------------------------------------
3005// wxNoOptimize: switch off size optimization
3006// ----------------------------------------------------------------------------
3007
3008int wxNoOptimize::ms_count = 0;
3009
3010
3011
3012
wxWidgets (Impactor)