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[wxWidgets.git] / src / common / wincmn.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: common/window.cpp
3 // Purpose: common (to all ports) wxWindow functions
4 // Author: Julian Smart, Vadim Zeitlin
5 // Modified by:
6 // Created: 13/07/98
7 // RCS-ID: $Id$
8 // Copyright: (c) wxWidgets team
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
21 #pragma implementation "windowbase.h"
22 #endif
23
24 // For compilers that support precompilation, includes "wx.h".
25 #include "wx/wxprec.h"
26
27 #ifdef __BORLANDC__
28 #pragma hdrstop
29 #endif
30
31 #ifndef WX_PRECOMP
32 #include "wx/string.h"
33 #include "wx/log.h"
34 #include "wx/intl.h"
35 #include "wx/frame.h"
36 #include "wx/defs.h"
37 #include "wx/window.h"
38 #include "wx/control.h"
39 #include "wx/checkbox.h"
40 #include "wx/radiobut.h"
41 #include "wx/statbox.h"
42 #include "wx/textctrl.h"
43 #include "wx/settings.h"
44 #include "wx/dialog.h"
45 #include "wx/msgdlg.h"
46 #include "wx/statusbr.h"
47 #include "wx/dcclient.h"
48 #endif //WX_PRECOMP
49
50 #if defined(__WXMAC__) && wxUSE_SCROLLBAR
51 #include "wx/scrolbar.h"
52 #endif
53
54 #if wxUSE_CONSTRAINTS
55 #include "wx/layout.h"
56 #endif // wxUSE_CONSTRAINTS
57
58 #include "wx/sizer.h"
59
60 #if wxUSE_DRAG_AND_DROP
61 #include "wx/dnd.h"
62 #endif // wxUSE_DRAG_AND_DROP
63
64 #if wxUSE_ACCESSIBILITY
65 #include "wx/access.h"
66 #endif
67
68 #if wxUSE_HELP
69 #include "wx/cshelp.h"
70 #endif // wxUSE_HELP
71
72 #if wxUSE_TOOLTIPS
73 #include "wx/tooltip.h"
74 #endif // wxUSE_TOOLTIPS
75
76 #if wxUSE_CARET
77 #include "wx/caret.h"
78 #endif // wxUSE_CARET
79
80 #if wxUSE_DISPLAY
81 #include "wx/display.h"
82 #endif
83
84 #if wxUSE_SYSTEM_OPTIONS
85 #include "wx/sysopt.h"
86 #endif
87
88 // ----------------------------------------------------------------------------
89 // static data
90 // ----------------------------------------------------------------------------
91
92 #if defined(__WXPALMOS__)
93 int wxWindowBase::ms_lastControlId = 32767;
94 #elif defined(__WXPM__)
95 int wxWindowBase::ms_lastControlId = 2000;
96 #else
97 int wxWindowBase::ms_lastControlId = -200;
98 #endif
99
100 IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
101
102 // ----------------------------------------------------------------------------
103 // event table
104 // ----------------------------------------------------------------------------
105
106 BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler)
107 EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged)
108 EVT_INIT_DIALOG(wxWindowBase::OnInitDialog)
109 EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)
110
111 #if wxUSE_HELP
112 EVT_HELP(wxID_ANY, wxWindowBase::OnHelp)
113 #endif // wxUSE_HELP
114
115 END_EVENT_TABLE()
116
117 // ============================================================================
118 // implementation of the common functionality of the wxWindow class
119 // ============================================================================
120
121 // ----------------------------------------------------------------------------
122 // initialization
123 // ----------------------------------------------------------------------------
124
125 // the default initialization
126 wxWindowBase::wxWindowBase()
127 {
128 // no window yet, no parent nor children
129 m_parent = (wxWindow *)NULL;
130 m_windowId = wxID_ANY;
131
132 // no constraints on the minimal window size
133 m_minWidth =
134 m_maxWidth = wxDefaultCoord;
135 m_minHeight =
136 m_maxHeight = wxDefaultCoord;
137
138 // invalidiated cache value
139 m_bestSizeCache = wxDefaultSize;
140
141 // window are created enabled and visible by default
142 m_isShown =
143 m_isEnabled = true;
144
145 // the default event handler is just this window
146 m_eventHandler = this;
147
148 #if wxUSE_VALIDATORS
149 // no validator
150 m_windowValidator = (wxValidator *) NULL;
151 #endif // wxUSE_VALIDATORS
152
153 // the colours/fonts are default for now, so leave m_font,
154 // m_backgroundColour and m_foregroundColour uninitialized and set those
155 m_hasBgCol =
156 m_hasFgCol =
157 m_hasFont = false;
158 m_inheritBgCol =
159 m_inheritFgCol =
160 m_inheritFont = false;
161
162 // no style bits
163 m_exStyle =
164 m_windowStyle = 0;
165
166 m_backgroundStyle = wxBG_STYLE_SYSTEM;
167
168 #if wxUSE_CONSTRAINTS
169 // no constraints whatsoever
170 m_constraints = (wxLayoutConstraints *) NULL;
171 m_constraintsInvolvedIn = (wxWindowList *) NULL;
172 #endif // wxUSE_CONSTRAINTS
173
174 m_windowSizer = (wxSizer *) NULL;
175 m_containingSizer = (wxSizer *) NULL;
176 m_autoLayout = false;
177
178 #if wxUSE_DRAG_AND_DROP
179 m_dropTarget = (wxDropTarget *)NULL;
180 #endif // wxUSE_DRAG_AND_DROP
181
182 #if wxUSE_TOOLTIPS
183 m_tooltip = (wxToolTip *)NULL;
184 #endif // wxUSE_TOOLTIPS
185
186 #if wxUSE_CARET
187 m_caret = (wxCaret *)NULL;
188 #endif // wxUSE_CARET
189
190 #if wxUSE_PALETTE
191 m_hasCustomPalette = false;
192 #endif // wxUSE_PALETTE
193
194 #if wxUSE_ACCESSIBILITY
195 m_accessible = NULL;
196 #endif
197
198 m_virtualSize = wxDefaultSize;
199
200 m_minVirtualWidth =
201 m_maxVirtualWidth = wxDefaultCoord;
202 m_minVirtualHeight =
203 m_maxVirtualHeight = wxDefaultCoord;
204
205 m_windowVariant = wxWINDOW_VARIANT_NORMAL;
206 #if wxUSE_SYSTEM_OPTIONS
207 if ( wxSystemOptions::HasOption(wxWINDOW_DEFAULT_VARIANT) )
208 {
209 m_windowVariant = (wxWindowVariant) wxSystemOptions::GetOptionInt( wxWINDOW_DEFAULT_VARIANT ) ;
210 }
211 #endif
212
213 // Whether we're using the current theme for this window (wxGTK only for now)
214 m_themeEnabled = false;
215
216 // VZ: this one shouldn't exist...
217 m_isBeingDeleted = false;
218
219 // Reserved for future use
220 m_windowReserved = NULL;
221 }
222
223 // common part of window creation process
224 bool wxWindowBase::CreateBase(wxWindowBase *parent,
225 wxWindowID id,
226 const wxPoint& WXUNUSED(pos),
227 const wxSize& WXUNUSED(size),
228 long style,
229 const wxValidator& wxVALIDATOR_PARAM(validator),
230 const wxString& name)
231 {
232 #if wxUSE_STATBOX
233 // wxGTK doesn't allow to create controls with static box as the parent so
234 // this will result in a crash when the program is ported to wxGTK so warn
235 // the user about it
236
237 // if you get this assert, the correct solution is to create the controls
238 // as siblings of the static box
239 wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox),
240 _T("wxStaticBox can't be used as a window parent!") );
241 #endif // wxUSE_STATBOX
242
243 // ids are limited to 16 bits under MSW so if you care about portability,
244 // it's not a good idea to use ids out of this range (and negative ids are
245 // reserved for wxWidgets own usage)
246 wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
247 _T("invalid id value") );
248
249 // generate a new id if the user doesn't care about it
250 m_windowId = id == wxID_ANY ? NewControlId() : id;
251
252 SetName(name);
253 SetWindowStyleFlag(style);
254 SetParent(parent);
255
256 #if wxUSE_VALIDATORS
257 SetValidator(validator);
258 #endif // wxUSE_VALIDATORS
259
260 // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
261 // have it too - like this it's possible to set it only in the top level
262 // dialog/frame and all children will inherit it by defult
263 if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
264 {
265 SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
266 }
267
268 return true;
269 }
270
271 // ----------------------------------------------------------------------------
272 // destruction
273 // ----------------------------------------------------------------------------
274
275 // common clean up
276 wxWindowBase::~wxWindowBase()
277 {
278 wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
279
280 // FIXME if these 2 cases result from programming errors in the user code
281 // we should probably assert here instead of silently fixing them
282
283 // Just in case the window has been Closed, but we're then deleting
284 // immediately: don't leave dangling pointers.
285 wxPendingDelete.DeleteObject(this);
286
287 // Just in case we've loaded a top-level window via LoadNativeDialog but
288 // we weren't a dialog class
289 wxTopLevelWindows.DeleteObject((wxWindow*)this);
290
291 wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
292
293 // reset the dangling pointer our parent window may keep to us
294 if ( m_parent )
295 {
296 if ( m_parent->GetDefaultItem() == this )
297 {
298 m_parent->SetDefaultItem(NULL);
299 }
300
301 m_parent->RemoveChild(this);
302 }
303
304 #if wxUSE_CARET
305 delete m_caret;
306 #endif // wxUSE_CARET
307
308 #if wxUSE_VALIDATORS
309 delete m_windowValidator;
310 #endif // wxUSE_VALIDATORS
311
312 #if wxUSE_CONSTRAINTS
313 // Have to delete constraints/sizer FIRST otherwise sizers may try to look
314 // at deleted windows as they delete themselves.
315 DeleteRelatedConstraints();
316
317 if ( m_constraints )
318 {
319 // This removes any dangling pointers to this window in other windows'
320 // constraintsInvolvedIn lists.
321 UnsetConstraints(m_constraints);
322 delete m_constraints;
323 m_constraints = NULL;
324 }
325 #endif // wxUSE_CONSTRAINTS
326
327 if ( m_containingSizer )
328 m_containingSizer->Detach( (wxWindow*)this );
329
330 delete m_windowSizer;
331
332 #if wxUSE_DRAG_AND_DROP
333 delete m_dropTarget;
334 #endif // wxUSE_DRAG_AND_DROP
335
336 #if wxUSE_TOOLTIPS
337 delete m_tooltip;
338 #endif // wxUSE_TOOLTIPS
339
340 #if wxUSE_ACCESSIBILITY
341 delete m_accessible;
342 #endif
343 }
344
345 bool wxWindowBase::Destroy()
346 {
347 delete this;
348
349 return true;
350 }
351
352 bool wxWindowBase::Close(bool force)
353 {
354 wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId);
355 event.SetEventObject(this);
356 event.SetCanVeto(!force);
357
358 // return false if window wasn't closed because the application vetoed the
359 // close event
360 return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
361 }
362
363 bool wxWindowBase::DestroyChildren()
364 {
365 wxWindowList::compatibility_iterator node;
366 for ( ;; )
367 {
368 // we iterate until the list becomes empty
369 node = GetChildren().GetFirst();
370 if ( !node )
371 break;
372
373 wxWindow *child = node->GetData();
374
375 // note that we really want to call delete and not ->Destroy() here
376 // because we want to delete the child immediately, before we are
377 // deleted, and delayed deletion would result in problems as our (top
378 // level) child could outlive its parent
379 delete child;
380
381 wxASSERT_MSG( !GetChildren().Find(child),
382 wxT("child didn't remove itself using RemoveChild()") );
383 }
384
385 return true;
386 }
387
388 // ----------------------------------------------------------------------------
389 // size/position related methods
390 // ----------------------------------------------------------------------------
391
392 // centre the window with respect to its parent in either (or both) directions
393 void wxWindowBase::Centre(int direction)
394 {
395 // the position/size of the parent window or of the entire screen
396 wxPoint posParent;
397 int widthParent, heightParent;
398
399 wxWindow *parent = NULL;
400 wxTopLevelWindow *winTop = NULL;
401
402 if ( !(direction & wxCENTRE_ON_SCREEN) )
403 {
404 // find the parent to centre this window on: it should be the
405 // immediate parent for the controls but the top level parent for the
406 // top level windows (like dialogs)
407 parent = GetParent();
408 if ( IsTopLevel() )
409 {
410 while ( parent && !parent->IsTopLevel() )
411 {
412 parent = parent->GetParent();
413 }
414 }
415
416 // there is no wxTopLevelWindow under wxMotif yet
417 #ifndef __WXMOTIF__
418 // we shouldn't center the dialog on the iconized window: under
419 // Windows, for example, this places it completely off the screen
420 if ( parent )
421 {
422 winTop = wxDynamicCast(parent, wxTopLevelWindow);
423 if ( winTop && winTop->IsIconized() )
424 {
425 winTop = NULL;
426 parent = NULL;
427 }
428 }
429 #endif // __WXMOTIF__
430
431 // did we find the parent?
432 if ( !parent )
433 {
434 // no other choice
435 direction |= wxCENTRE_ON_SCREEN;
436 }
437 }
438
439 if ( direction & wxCENTRE_ON_SCREEN )
440 {
441 //RN: If we are using wxDisplay we get
442 //the dimensions of the monitor the window is on,
443 //otherwise we get the dimensions of the primary monitor
444 //FIXME: wxDisplay::GetFromWindow only implemented on MSW
445 #if wxUSE_DISPLAY && defined(__WXMSW__)
446 int nDisplay = wxDisplay::GetFromWindow((wxWindow*)this);
447 if(nDisplay != wxNOT_FOUND)
448 {
449 wxDisplay windowDisplay(nDisplay);
450 wxRect displayRect = windowDisplay.GetGeometry();
451 widthParent = displayRect.width;
452 heightParent = displayRect.height;
453 }
454 else
455 #endif
456 // centre with respect to the whole screen
457 wxDisplaySize(&widthParent, &heightParent);
458 }
459 else
460 {
461 if ( IsTopLevel() )
462 {
463 if(winTop)
464 winTop->GetRectForTopLevelChildren(&posParent.x, &posParent.y, &widthParent, &heightParent);
465 else
466 {
467 // centre on the parent
468 parent->GetSize(&widthParent, &heightParent);
469
470 // adjust to the parents position
471 posParent = parent->GetPosition();
472 }
473 }
474 else
475 {
476 // centre inside the parents client rectangle
477 parent->GetClientSize(&widthParent, &heightParent);
478 }
479 }
480
481 int width, height;
482 GetSize(&width, &height);
483
484 int xNew = wxDefaultCoord,
485 yNew = wxDefaultCoord;
486
487 if ( direction & wxHORIZONTAL )
488 xNew = (widthParent - width)/2;
489
490 if ( direction & wxVERTICAL )
491 yNew = (heightParent - height)/2;
492
493 xNew += posParent.x;
494 yNew += posParent.y;
495
496 // FIXME: This needs to get the client display rect of the display
497 // the window is (via wxDisplay::GetFromWindow).
498
499 // Base size of the visible dimensions of the display
500 // to take into account the taskbar. And the Mac menu bar at top.
501 wxRect clientrect = wxGetClientDisplayRect();
502
503 // NB: in wxMSW, negative position may not neccessary mean "out of screen",
504 // but it may mean that the window is placed on other than the main
505 // display. Therefore we only make sure centered window is on the main display
506 // if the parent is at least partially present here.
507 if (posParent.x + widthParent >= 0) // if parent is (partially) on the main display
508 {
509 if (xNew < clientrect.GetLeft())
510 xNew = clientrect.GetLeft();
511 else if (xNew + width > clientrect.GetRight())
512 xNew = clientrect.GetRight() - width;
513 }
514 if (posParent.y + heightParent >= 0) // if parent is (partially) on the main display
515 {
516 if (yNew + height > clientrect.GetBottom())
517 yNew = clientrect.GetBottom() - height;
518
519 // Make certain that the title bar is initially visible
520 // always, even if this would push the bottom of the
521 // dialog off the visible area of the display
522 if (yNew < clientrect.GetTop())
523 yNew = clientrect.GetTop();
524 }
525
526 // move the window to this position (keeping the old size but using
527 // SetSize() and not Move() to allow xNew and/or yNew to be wxDefaultCoord)
528 SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE);
529 }
530
531 // fits the window around the children
532 void wxWindowBase::Fit()
533 {
534 if ( GetChildren().GetCount() > 0 )
535 {
536 SetSize(GetBestSize());
537 }
538 //else: do nothing if we have no children
539 }
540
541 // fits virtual size (ie. scrolled area etc.) around children
542 void wxWindowBase::FitInside()
543 {
544 if ( GetChildren().GetCount() > 0 )
545 {
546 SetVirtualSize( GetBestVirtualSize() );
547 }
548 }
549
550 // On Mac, scrollbars are explicitly children.
551 #ifdef __WXMAC__
552 static bool wxHasRealChildren(const wxWindowBase* win)
553 {
554 int realChildCount = 0;
555
556 for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
557 node;
558 node = node->GetNext() )
559 {
560 wxWindow *win = node->GetData();
561 if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
562 realChildCount ++;
563 }
564 return (realChildCount > 0);
565 }
566 #endif
567
568 void wxWindowBase::InvalidateBestSize()
569 {
570 m_bestSizeCache = wxDefaultSize;
571
572 // parent's best size calculation may depend on its children's
573 // best sizes, so let's invalidate it as well to be safe:
574 if (m_parent)
575 m_parent->InvalidateBestSize();
576 }
577
578 // return the size best suited for the current window
579 wxSize wxWindowBase::DoGetBestSize() const
580 {
581 wxSize best;
582
583 if ( m_windowSizer )
584 {
585 best = m_windowSizer->GetMinSize();
586 }
587 #if wxUSE_CONSTRAINTS
588 else if ( m_constraints )
589 {
590 wxConstCast(this, wxWindowBase)->SatisfyConstraints();
591
592 // our minimal acceptable size is such that all our windows fit inside
593 int maxX = 0,
594 maxY = 0;
595
596 for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
597 node;
598 node = node->GetNext() )
599 {
600 wxLayoutConstraints *c = node->GetData()->GetConstraints();
601 if ( !c )
602 {
603 // it's not normal that we have an unconstrained child, but
604 // what can we do about it?
605 continue;
606 }
607
608 int x = c->right.GetValue(),
609 y = c->bottom.GetValue();
610
611 if ( x > maxX )
612 maxX = x;
613
614 if ( y > maxY )
615 maxY = y;
616
617 // TODO: we must calculate the overlaps somehow, otherwise we
618 // will never return a size bigger than the current one :-(
619 }
620
621 best = wxSize(maxX, maxY);
622 }
623 #endif // wxUSE_CONSTRAINTS
624 else if ( !GetChildren().empty()
625 #ifdef __WXMAC__
626 && wxHasRealChildren(this)
627 #endif
628 )
629 {
630 // our minimal acceptable size is such that all our visible child windows fit inside
631 int maxX = 0,
632 maxY = 0;
633
634 for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
635 node;
636 node = node->GetNext() )
637 {
638 wxWindow *win = node->GetData();
639 if ( win->IsTopLevel() || ( ! win->IsShown() )
640 #if wxUSE_STATUSBAR
641 || wxDynamicCast(win, wxStatusBar)
642 #endif // wxUSE_STATUSBAR
643 )
644 {
645 // dialogs and frames lie in different top level windows -
646 // don't deal with them here; as for the status bars, they
647 // don't lie in the client area at all
648 continue;
649 }
650
651 int wx, wy, ww, wh;
652 win->GetPosition(&wx, &wy);
653
654 // if the window hadn't been positioned yet, assume that it is in
655 // the origin
656 if ( wx == wxDefaultCoord )
657 wx = 0;
658 if ( wy == wxDefaultCoord )
659 wy = 0;
660
661 win->GetSize(&ww, &wh);
662 if ( wx + ww > maxX )
663 maxX = wx + ww;
664 if ( wy + wh > maxY )
665 maxY = wy + wh;
666 }
667
668 // for compatibility with the old versions and because it really looks
669 // slightly more pretty like this, add a pad
670 maxX += 7;
671 maxY += 14;
672
673 best = wxSize(maxX, maxY);
674 }
675 else // ! has children
676 {
677 // for a generic window there is no natural best size so, if the
678 // minimal size is not set, use the current size but take care to
679 // remember it as minimal size for the next time because our best size
680 // should be constant: otherwise we could get into a situation when the
681 // window is initially at some size, then expanded to a larger size and
682 // then, when the containing window is shrunk back (because our initial
683 // best size had been used for computing the parent min size), we can't
684 // be shrunk back any more because our best size is now bigger
685 if ( !GetMinSize().IsFullySpecified() )
686 wxConstCast(this, wxWindowBase)->SetMinSize(GetSize());
687
688 // return as-is, unadjusted by the client size difference.
689 return GetMinSize();
690 }
691
692 // Add any difference between size and client size
693 wxSize diff = GetSize() - GetClientSize();
694 best.x += wxMax(0, diff.x);
695 best.y += wxMax(0, diff.y);
696
697 return best;
698 }
699
700
701 wxSize wxWindowBase::GetBestFittingSize() const
702 {
703 // merge the best size with the min size, giving priority to the min size
704 wxSize min = GetMinSize();
705 if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
706 {
707 wxSize best = GetBestSize();
708 if (min.x == wxDefaultCoord) min.x = best.x;
709 if (min.y == wxDefaultCoord) min.y = best.y;
710 }
711 return min;
712 }
713
714
715 void wxWindowBase::SetBestFittingSize(const wxSize& size)
716 {
717 // Set the min size to the size passed in. This will usually either be
718 // wxDefaultSize or the size passed to this window's ctor/Create function.
719 SetMinSize(size);
720
721 // Merge the size with the best size if needed
722 wxSize best = GetBestFittingSize();
723
724 // If the current size doesn't match then change it
725 if (GetSize() != best)
726 SetSize(best);
727 }
728
729
730 // by default the origin is not shifted
731 wxPoint wxWindowBase::GetClientAreaOrigin() const
732 {
733 return wxPoint(0,0);
734 }
735
736 // set the min/max size of the window
737 void wxWindowBase::DoSetSizeHints(int minW, int minH,
738 int maxW, int maxH,
739 int WXUNUSED(incW), int WXUNUSED(incH))
740 {
741 // setting min width greater than max width leads to infinite loops under
742 // X11 and generally doesn't make any sense, so don't allow it
743 wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
744 (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
745 _T("min width/height must be less than max width/height!") );
746
747 m_minWidth = minW;
748 m_maxWidth = maxW;
749 m_minHeight = minH;
750 m_maxHeight = maxH;
751 }
752
753 void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
754 {
755 if ( m_windowVariant != variant )
756 {
757 m_windowVariant = variant;
758
759 DoSetWindowVariant(variant);
760 }
761 }
762
763 void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
764 {
765 // adjust the font height to correspond to our new variant (notice that
766 // we're only called if something really changed)
767 wxFont font = GetFont();
768 int size = font.GetPointSize();
769 switch ( variant )
770 {
771 case wxWINDOW_VARIANT_NORMAL:
772 break;
773
774 case wxWINDOW_VARIANT_SMALL:
775 size *= 3;
776 size /= 4;
777 break;
778
779 case wxWINDOW_VARIANT_MINI:
780 size *= 2;
781 size /= 3;
782 break;
783
784 case wxWINDOW_VARIANT_LARGE:
785 size *= 5;
786 size /= 4;
787 break;
788
789 default:
790 wxFAIL_MSG(_T("unexpected window variant"));
791 break;
792 }
793
794 font.SetPointSize(size);
795 SetFont(font);
796 }
797
798 void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
799 int maxW, int maxH )
800 {
801 m_minVirtualWidth = minW;
802 m_maxVirtualWidth = maxW;
803 m_minVirtualHeight = minH;
804 m_maxVirtualHeight = maxH;
805 }
806
807 void wxWindowBase::DoSetVirtualSize( int x, int y )
808 {
809 if ( m_minVirtualWidth != wxDefaultCoord && m_minVirtualWidth > x )
810 x = m_minVirtualWidth;
811 if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
812 x = m_maxVirtualWidth;
813 if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
814 y = m_minVirtualHeight;
815 if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
816 y = m_maxVirtualHeight;
817
818 m_virtualSize = wxSize(x, y);
819 }
820
821 wxSize wxWindowBase::DoGetVirtualSize() const
822 {
823 if ( m_virtualSize.IsFullySpecified() )
824 return m_virtualSize;
825
826 wxSize size = GetClientSize();
827 if ( m_virtualSize.x != wxDefaultCoord )
828 size.x = m_virtualSize.x;
829
830 if ( m_virtualSize.y != wxDefaultCoord )
831 size.y = m_virtualSize.y;
832
833 return size;
834 }
835
836 // ----------------------------------------------------------------------------
837 // show/hide/enable/disable the window
838 // ----------------------------------------------------------------------------
839
840 bool wxWindowBase::Show(bool show)
841 {
842 if ( show != m_isShown )
843 {
844 m_isShown = show;
845
846 return true;
847 }
848 else
849 {
850 return false;
851 }
852 }
853
854 bool wxWindowBase::Enable(bool enable)
855 {
856 if ( enable != m_isEnabled )
857 {
858 m_isEnabled = enable;
859
860 return true;
861 }
862 else
863 {
864 return false;
865 }
866 }
867 // ----------------------------------------------------------------------------
868 // RTTI
869 // ----------------------------------------------------------------------------
870
871 bool wxWindowBase::IsTopLevel() const
872 {
873 return false;
874 }
875
876 // ----------------------------------------------------------------------------
877 // reparenting the window
878 // ----------------------------------------------------------------------------
879
880 void wxWindowBase::AddChild(wxWindowBase *child)
881 {
882 wxCHECK_RET( child, wxT("can't add a NULL child") );
883
884 // this should never happen and it will lead to a crash later if it does
885 // because RemoveChild() will remove only one node from the children list
886 // and the other(s) one(s) will be left with dangling pointers in them
887 wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") );
888
889 GetChildren().Append((wxWindow*)child);
890 child->SetParent(this);
891 }
892
893 void wxWindowBase::RemoveChild(wxWindowBase *child)
894 {
895 wxCHECK_RET( child, wxT("can't remove a NULL child") );
896
897 GetChildren().DeleteObject((wxWindow *)child);
898 child->SetParent(NULL);
899 }
900
901 bool wxWindowBase::Reparent(wxWindowBase *newParent)
902 {
903 wxWindow *oldParent = GetParent();
904 if ( newParent == oldParent )
905 {
906 // nothing done
907 return false;
908 }
909
910 // unlink this window from the existing parent.
911 if ( oldParent )
912 {
913 oldParent->RemoveChild(this);
914 }
915 else
916 {
917 wxTopLevelWindows.DeleteObject((wxWindow *)this);
918 }
919
920 // add it to the new one
921 if ( newParent )
922 {
923 newParent->AddChild(this);
924 }
925 else
926 {
927 wxTopLevelWindows.Append((wxWindow *)this);
928 }
929
930 return true;
931 }
932
933 // ----------------------------------------------------------------------------
934 // event handler stuff
935 // ----------------------------------------------------------------------------
936
937 void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
938 {
939 wxEvtHandler *handlerOld = GetEventHandler();
940
941 handler->SetNextHandler(handlerOld);
942
943 if ( handlerOld )
944 GetEventHandler()->SetPreviousHandler(handler);
945
946 SetEventHandler(handler);
947 }
948
949 wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
950 {
951 wxEvtHandler *handlerA = GetEventHandler();
952 if ( handlerA )
953 {
954 wxEvtHandler *handlerB = handlerA->GetNextHandler();
955 handlerA->SetNextHandler((wxEvtHandler *)NULL);
956
957 if ( handlerB )
958 handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
959 SetEventHandler(handlerB);
960
961 if ( deleteHandler )
962 {
963 delete handlerA;
964 handlerA = (wxEvtHandler *)NULL;
965 }
966 }
967
968 return handlerA;
969 }
970
971 bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
972 {
973 wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
974
975 wxEvtHandler *handlerPrev = NULL,
976 *handlerCur = GetEventHandler();
977 while ( handlerCur )
978 {
979 wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
980
981 if ( handlerCur == handler )
982 {
983 if ( handlerPrev )
984 {
985 handlerPrev->SetNextHandler(handlerNext);
986 }
987 else
988 {
989 SetEventHandler(handlerNext);
990 }
991
992 if ( handlerNext )
993 {
994 handlerNext->SetPreviousHandler ( handlerPrev );
995 }
996
997 handler->SetNextHandler(NULL);
998 handler->SetPreviousHandler(NULL);
999
1000 return true;
1001 }
1002
1003 handlerPrev = handlerCur;
1004 handlerCur = handlerNext;
1005 }
1006
1007 wxFAIL_MSG( _T("where has the event handler gone?") );
1008
1009 return false;
1010 }
1011
1012 // ----------------------------------------------------------------------------
1013 // colours, fonts &c
1014 // ----------------------------------------------------------------------------
1015
1016 void wxWindowBase::InheritAttributes()
1017 {
1018 const wxWindowBase * const parent = GetParent();
1019 if ( !parent )
1020 return;
1021
1022 // we only inherit attributes which had been explicitly set for the parent
1023 // which ensures that this only happens if the user really wants it and
1024 // not by default which wouldn't make any sense in modern GUIs where the
1025 // controls don't all use the same fonts (nor colours)
1026 if ( parent->m_inheritFont && !m_hasFont )
1027 SetFont(parent->GetFont());
1028
1029 // in addition, there is a possibility to explicitly forbid inheriting
1030 // colours at each class level by overriding ShouldInheritColours()
1031 if ( ShouldInheritColours() )
1032 {
1033 if ( parent->m_inheritFgCol && !m_hasFgCol )
1034 SetForegroundColour(parent->GetForegroundColour());
1035
1036 // inheriting (solid) background colour is wrong as it totally breaks
1037 // any kind of themed backgrounds
1038 //
1039 // instead, the controls should use the same background as their parent
1040 // (ideally by not drawing it at all)
1041 #if 0
1042 if ( parent->m_inheritBgCol && !m_hasBgCol )
1043 SetBackgroundColour(parent->GetBackgroundColour());
1044 #endif // 0
1045 }
1046 }
1047
1048 /* static */ wxVisualAttributes
1049 wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1050 {
1051 // it is important to return valid values for all attributes from here,
1052 // GetXXX() below rely on this
1053 wxVisualAttributes attrs;
1054 attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
1055 attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
1056
1057 // On Smartphone/PocketPC, wxSYS_COLOUR_WINDOW is a better reflection of
1058 // the usual background colour than wxSYS_COLOUR_BTNFACE.
1059 // It's a pity that wxSYS_COLOUR_WINDOW isn't always a suitable background
1060 // colour on other platforms.
1061
1062 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__POCKETPC__))
1063 attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1064 #else
1065 attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1066 #endif
1067 return attrs;
1068 }
1069
1070 wxColour wxWindowBase::GetBackgroundColour() const
1071 {
1072 if ( !m_backgroundColour.Ok() )
1073 {
1074 wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
1075
1076 // get our default background colour
1077 wxColour colBg = GetDefaultAttributes().colBg;
1078
1079 // we must return some valid colour to avoid redoing this every time
1080 // and also to avoid surprizing the applications written for older
1081 // wxWidgets versions where GetBackgroundColour() always returned
1082 // something -- so give them something even if it doesn't make sense
1083 // for this window (e.g. it has a themed background)
1084 if ( !colBg.Ok() )
1085 colBg = GetClassDefaultAttributes().colBg;
1086
1087 return colBg;
1088 }
1089 else
1090 return m_backgroundColour;
1091 }
1092
1093 wxColour wxWindowBase::GetForegroundColour() const
1094 {
1095 // logic is the same as above
1096 if ( !m_hasFgCol && !m_foregroundColour.Ok() )
1097 {
1098 wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
1099
1100 wxColour colFg = GetDefaultAttributes().colFg;
1101
1102 if ( !colFg.Ok() )
1103 colFg = GetClassDefaultAttributes().colFg;
1104
1105 return colFg;
1106 }
1107 else
1108 return m_foregroundColour;
1109 }
1110
1111 bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
1112 {
1113 if ( colour == m_backgroundColour )
1114 return false;
1115
1116 m_hasBgCol = colour.Ok();
1117 if ( m_backgroundStyle != wxBG_STYLE_CUSTOM )
1118 m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM;
1119
1120 m_inheritBgCol = m_hasBgCol;
1121 m_backgroundColour = colour;
1122 SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
1123 return true;
1124 }
1125
1126 bool wxWindowBase::SetForegroundColour( const wxColour &colour )
1127 {
1128 if (colour == m_foregroundColour )
1129 return false;
1130
1131 m_hasFgCol = colour.Ok();
1132 m_inheritFgCol = m_hasFgCol;
1133 m_foregroundColour = colour;
1134 SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
1135 return true;
1136 }
1137
1138 bool wxWindowBase::SetCursor(const wxCursor& cursor)
1139 {
1140 // setting an invalid cursor is ok, it means that we don't have any special
1141 // cursor
1142 if ( m_cursor == cursor )
1143 {
1144 // no change
1145 return false;
1146 }
1147
1148 m_cursor = cursor;
1149
1150 return true;
1151 }
1152
1153 wxFont wxWindowBase::GetFont() const
1154 {
1155 // logic is the same as in GetBackgroundColour()
1156 if ( !m_font.Ok() )
1157 {
1158 wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
1159
1160 wxFont font = GetDefaultAttributes().font;
1161 if ( !font.Ok() )
1162 font = GetClassDefaultAttributes().font;
1163
1164 return font;
1165 }
1166 else
1167 return m_font;
1168 }
1169
1170 bool wxWindowBase::SetFont(const wxFont& font)
1171 {
1172 if ( font == m_font )
1173 {
1174 // no change
1175 return false;
1176 }
1177
1178 m_font = font;
1179 m_hasFont = font.Ok();
1180 m_inheritFont = m_hasFont;
1181
1182 InvalidateBestSize();
1183
1184 return true;
1185 }
1186
1187 #if wxUSE_PALETTE
1188
1189 void wxWindowBase::SetPalette(const wxPalette& pal)
1190 {
1191 m_hasCustomPalette = true;
1192 m_palette = pal;
1193
1194 // VZ: can anyone explain me what do we do here?
1195 wxWindowDC d((wxWindow *) this);
1196 d.SetPalette(pal);
1197 }
1198
1199 wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const
1200 {
1201 wxWindow *win = (wxWindow *)this;
1202 while ( win && !win->HasCustomPalette() )
1203 {
1204 win = win->GetParent();
1205 }
1206
1207 return win;
1208 }
1209
1210 #endif // wxUSE_PALETTE
1211
1212 #if wxUSE_CARET
1213 void wxWindowBase::SetCaret(wxCaret *caret)
1214 {
1215 if ( m_caret )
1216 {
1217 delete m_caret;
1218 }
1219
1220 m_caret = caret;
1221
1222 if ( m_caret )
1223 {
1224 wxASSERT_MSG( m_caret->GetWindow() == this,
1225 wxT("caret should be created associated to this window") );
1226 }
1227 }
1228 #endif // wxUSE_CARET
1229
1230 #if wxUSE_VALIDATORS
1231 // ----------------------------------------------------------------------------
1232 // validators
1233 // ----------------------------------------------------------------------------
1234
1235 void wxWindowBase::SetValidator(const wxValidator& validator)
1236 {
1237 if ( m_windowValidator )
1238 delete m_windowValidator;
1239
1240 m_windowValidator = (wxValidator *)validator.Clone();
1241
1242 if ( m_windowValidator )
1243 m_windowValidator->SetWindow(this);
1244 }
1245 #endif // wxUSE_VALIDATORS
1246
1247 // ----------------------------------------------------------------------------
1248 // update region stuff
1249 // ----------------------------------------------------------------------------
1250
1251 wxRect wxWindowBase::GetUpdateClientRect() const
1252 {
1253 wxRegion rgnUpdate = GetUpdateRegion();
1254 rgnUpdate.Intersect(GetClientRect());
1255 wxRect rectUpdate = rgnUpdate.GetBox();
1256 wxPoint ptOrigin = GetClientAreaOrigin();
1257 rectUpdate.x -= ptOrigin.x;
1258 rectUpdate.y -= ptOrigin.y;
1259
1260 return rectUpdate;
1261 }
1262
1263 bool wxWindowBase::IsExposed(int x, int y) const
1264 {
1265 return m_updateRegion.Contains(x, y) != wxOutRegion;
1266 }
1267
1268 bool wxWindowBase::IsExposed(int x, int y, int w, int h) const
1269 {
1270 return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
1271 }
1272
1273 void wxWindowBase::ClearBackground()
1274 {
1275 // wxGTK uses its own version, no need to add never used code
1276 #ifndef __WXGTK__
1277 wxClientDC dc((wxWindow *)this);
1278 wxBrush brush(GetBackgroundColour(), wxSOLID);
1279 dc.SetBackground(brush);
1280 dc.Clear();
1281 #endif // __WXGTK__
1282 }
1283
1284 // ----------------------------------------------------------------------------
1285 // find child window by id or name
1286 // ----------------------------------------------------------------------------
1287
1288 wxWindow *wxWindowBase::FindWindow(long id) const
1289 {
1290 if ( id == m_windowId )
1291 return (wxWindow *)this;
1292
1293 wxWindowBase *res = (wxWindow *)NULL;
1294 wxWindowList::compatibility_iterator node;
1295 for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1296 {
1297 wxWindowBase *child = node->GetData();
1298 res = child->FindWindow( id );
1299 }
1300
1301 return (wxWindow *)res;
1302 }
1303
1304 wxWindow *wxWindowBase::FindWindow(const wxString& name) const
1305 {
1306 if ( name == m_windowName )
1307 return (wxWindow *)this;
1308
1309 wxWindowBase *res = (wxWindow *)NULL;
1310 wxWindowList::compatibility_iterator node;
1311 for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1312 {
1313 wxWindow *child = node->GetData();
1314 res = child->FindWindow(name);
1315 }
1316
1317 return (wxWindow *)res;
1318 }
1319
1320
1321 // find any window by id or name or label: If parent is non-NULL, look through
1322 // children for a label or title matching the specified string. If NULL, look
1323 // through all top-level windows.
1324 //
1325 // to avoid duplicating code we reuse the same helper function but with
1326 // different comparators
1327
1328 typedef bool (*wxFindWindowCmp)(const wxWindow *win,
1329 const wxString& label, long id);
1330
1331 static
1332 bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label,
1333 long WXUNUSED(id))
1334 {
1335 return win->GetLabel() == label;
1336 }
1337
1338 static
1339 bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label,
1340 long WXUNUSED(id))
1341 {
1342 return win->GetName() == label;
1343 }
1344
1345 static
1346 bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label),
1347 long id)
1348 {
1349 return win->GetId() == id;
1350 }
1351
1352 // recursive helper for the FindWindowByXXX() functions
1353 static
1354 wxWindow *wxFindWindowRecursively(const wxWindow *parent,
1355 const wxString& label,
1356 long id,
1357 wxFindWindowCmp cmp)
1358 {
1359 if ( parent )
1360 {
1361 // see if this is the one we're looking for
1362 if ( (*cmp)(parent, label, id) )
1363 return (wxWindow *)parent;
1364
1365 // It wasn't, so check all its children
1366 for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
1367 node;
1368 node = node->GetNext() )
1369 {
1370 // recursively check each child
1371 wxWindow *win = (wxWindow *)node->GetData();
1372 wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1373 if (retwin)
1374 return retwin;
1375 }
1376 }
1377
1378 // Not found
1379 return NULL;
1380 }
1381
1382 // helper for FindWindowByXXX()
1383 static
1384 wxWindow *wxFindWindowHelper(const wxWindow *parent,
1385 const wxString& label,
1386 long id,
1387 wxFindWindowCmp cmp)
1388 {
1389 if ( parent )
1390 {
1391 // just check parent and all its children
1392 return wxFindWindowRecursively(parent, label, id, cmp);
1393 }
1394
1395 // start at very top of wx's windows
1396 for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1397 node;
1398 node = node->GetNext() )
1399 {
1400 // recursively check each window & its children
1401 wxWindow *win = node->GetData();
1402 wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1403 if (retwin)
1404 return retwin;
1405 }
1406
1407 return NULL;
1408 }
1409
1410 /* static */
1411 wxWindow *
1412 wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent)
1413 {
1414 return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels);
1415 }
1416
1417 /* static */
1418 wxWindow *
1419 wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent)
1420 {
1421 wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames);
1422
1423 if ( !win )
1424 {
1425 // fall back to the label
1426 win = FindWindowByLabel(title, parent);
1427 }
1428
1429 return win;
1430 }
1431
1432 /* static */
1433 wxWindow *
1434 wxWindowBase::FindWindowById( long id, const wxWindow* parent )
1435 {
1436 return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds);
1437 }
1438
1439 // ----------------------------------------------------------------------------
1440 // dialog oriented functions
1441 // ----------------------------------------------------------------------------
1442
1443 void wxWindowBase::MakeModal(bool modal)
1444 {
1445 // Disable all other windows
1446 if ( IsTopLevel() )
1447 {
1448 wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1449 while (node)
1450 {
1451 wxWindow *win = node->GetData();
1452 if (win != this)
1453 win->Enable(!modal);
1454
1455 node = node->GetNext();
1456 }
1457 }
1458 }
1459
1460 bool wxWindowBase::Validate()
1461 {
1462 #if wxUSE_VALIDATORS
1463 bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1464
1465 wxWindowList::compatibility_iterator node;
1466 for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1467 {
1468 wxWindowBase *child = node->GetData();
1469 wxValidator *validator = child->GetValidator();
1470 if ( validator && !validator->Validate((wxWindow *)this) )
1471 {
1472 return false;
1473 }
1474
1475 if ( recurse && !child->Validate() )
1476 {
1477 return false;
1478 }
1479 }
1480 #endif // wxUSE_VALIDATORS
1481
1482 return true;
1483 }
1484
1485 bool wxWindowBase::TransferDataToWindow()
1486 {
1487 #if wxUSE_VALIDATORS
1488 bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1489
1490 wxWindowList::compatibility_iterator node;
1491 for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1492 {
1493 wxWindowBase *child = node->GetData();
1494 wxValidator *validator = child->GetValidator();
1495 if ( validator && !validator->TransferToWindow() )
1496 {
1497 wxLogWarning(_("Could not transfer data to window"));
1498 #if wxUSE_LOG
1499 wxLog::FlushActive();
1500 #endif // wxUSE_LOG
1501
1502 return false;
1503 }
1504
1505 if ( recurse )
1506 {
1507 if ( !child->TransferDataToWindow() )
1508 {
1509 // warning already given
1510 return false;
1511 }
1512 }
1513 }
1514 #endif // wxUSE_VALIDATORS
1515
1516 return true;
1517 }
1518
1519 bool wxWindowBase::TransferDataFromWindow()
1520 {
1521 #if wxUSE_VALIDATORS
1522 bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1523
1524 wxWindowList::compatibility_iterator node;
1525 for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1526 {
1527 wxWindow *child = node->GetData();
1528 wxValidator *validator = child->GetValidator();
1529 if ( validator && !validator->TransferFromWindow() )
1530 {
1531 // nop warning here because the application is supposed to give
1532 // one itself - we don't know here what might have gone wrongly
1533
1534 return false;
1535 }
1536
1537 if ( recurse )
1538 {
1539 if ( !child->TransferDataFromWindow() )
1540 {
1541 // warning already given
1542 return false;
1543 }
1544 }
1545 }
1546 #endif // wxUSE_VALIDATORS
1547
1548 return true;
1549 }
1550
1551 void wxWindowBase::InitDialog()
1552 {
1553 wxInitDialogEvent event(GetId());
1554 event.SetEventObject( this );
1555 GetEventHandler()->ProcessEvent(event);
1556 }
1557
1558 // ----------------------------------------------------------------------------
1559 // context-sensitive help support
1560 // ----------------------------------------------------------------------------
1561
1562 #if wxUSE_HELP
1563
1564 // associate this help text with this window
1565 void wxWindowBase::SetHelpText(const wxString& text)
1566 {
1567 wxHelpProvider *helpProvider = wxHelpProvider::Get();
1568 if ( helpProvider )
1569 {
1570 helpProvider->AddHelp(this, text);
1571 }
1572 }
1573
1574 // associate this help text with all windows with the same id as this
1575 // one
1576 void wxWindowBase::SetHelpTextForId(const wxString& text)
1577 {
1578 wxHelpProvider *helpProvider = wxHelpProvider::Get();
1579 if ( helpProvider )
1580 {
1581 helpProvider->AddHelp(GetId(), text);
1582 }
1583 }
1584
1585 // get the help string associated with this window (may be empty)
1586 wxString wxWindowBase::GetHelpText() const
1587 {
1588 wxString text;
1589 wxHelpProvider *helpProvider = wxHelpProvider::Get();
1590 if ( helpProvider )
1591 {
1592 text = helpProvider->GetHelp(this);
1593 }
1594
1595 return text;
1596 }
1597
1598 // show help for this window
1599 void wxWindowBase::OnHelp(wxHelpEvent& event)
1600 {
1601 wxHelpProvider *helpProvider = wxHelpProvider::Get();
1602 if ( helpProvider )
1603 {
1604 if ( helpProvider->ShowHelp(this) )
1605 {
1606 // skip the event.Skip() below
1607 return;
1608 }
1609 }
1610
1611 event.Skip();
1612 }
1613
1614 #endif // wxUSE_HELP
1615
1616 // ----------------------------------------------------------------------------
1617 // tooltipsroot.Replace("\\", "/");
1618 // ----------------------------------------------------------------------------
1619
1620 #if wxUSE_TOOLTIPS
1621
1622 void wxWindowBase::SetToolTip( const wxString &tip )
1623 {
1624 // don't create the new tooltip if we already have one
1625 if ( m_tooltip )
1626 {
1627 m_tooltip->SetTip( tip );
1628 }
1629 else
1630 {
1631 SetToolTip( new wxToolTip( tip ) );
1632 }
1633
1634 // setting empty tooltip text does not remove the tooltip any more - use
1635 // SetToolTip((wxToolTip *)NULL) for this
1636 }
1637
1638 void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
1639 {
1640 if ( m_tooltip )
1641 delete m_tooltip;
1642
1643 m_tooltip = tooltip;
1644 }
1645
1646 #endif // wxUSE_TOOLTIPS
1647
1648 // ----------------------------------------------------------------------------
1649 // constraints and sizers
1650 // ----------------------------------------------------------------------------
1651
1652 #if wxUSE_CONSTRAINTS
1653
1654 void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints )
1655 {
1656 if ( m_constraints )
1657 {
1658 UnsetConstraints(m_constraints);
1659 delete m_constraints;
1660 }
1661 m_constraints = constraints;
1662 if ( m_constraints )
1663 {
1664 // Make sure other windows know they're part of a 'meaningful relationship'
1665 if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) )
1666 m_constraints->left.GetOtherWindow()->AddConstraintReference(this);
1667 if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) )
1668 m_constraints->top.GetOtherWindow()->AddConstraintReference(this);
1669 if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) )
1670 m_constraints->right.GetOtherWindow()->AddConstraintReference(this);
1671 if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) )
1672 m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this);
1673 if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) )
1674 m_constraints->width.GetOtherWindow()->AddConstraintReference(this);
1675 if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) )
1676 m_constraints->height.GetOtherWindow()->AddConstraintReference(this);
1677 if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) )
1678 m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this);
1679 if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) )
1680 m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this);
1681 }
1682 }
1683
1684 // This removes any dangling pointers to this window in other windows'
1685 // constraintsInvolvedIn lists.
1686 void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c)
1687 {
1688 if ( c )
1689 {
1690 if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1691 c->left.GetOtherWindow()->RemoveConstraintReference(this);
1692 if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1693 c->top.GetOtherWindow()->RemoveConstraintReference(this);
1694 if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) )
1695 c->right.GetOtherWindow()->RemoveConstraintReference(this);
1696 if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) )
1697 c->bottom.GetOtherWindow()->RemoveConstraintReference(this);
1698 if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) )
1699 c->width.GetOtherWindow()->RemoveConstraintReference(this);
1700 if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) )
1701 c->height.GetOtherWindow()->RemoveConstraintReference(this);
1702 if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) )
1703 c->centreX.GetOtherWindow()->RemoveConstraintReference(this);
1704 if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) )
1705 c->centreY.GetOtherWindow()->RemoveConstraintReference(this);
1706 }
1707 }
1708
1709 // Back-pointer to other windows we're involved with, so if we delete this
1710 // window, we must delete any constraints we're involved with.
1711 void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin)
1712 {
1713 if ( !m_constraintsInvolvedIn )
1714 m_constraintsInvolvedIn = new wxWindowList;
1715 if ( !m_constraintsInvolvedIn->Find((wxWindow *)otherWin) )
1716 m_constraintsInvolvedIn->Append((wxWindow *)otherWin);
1717 }
1718
1719 // REMOVE back-pointer to other windows we're involved with.
1720 void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin)
1721 {
1722 if ( m_constraintsInvolvedIn )
1723 m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin);
1724 }
1725
1726 // Reset any constraints that mention this window
1727 void wxWindowBase::DeleteRelatedConstraints()
1728 {
1729 if ( m_constraintsInvolvedIn )
1730 {
1731 wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst();
1732 while (node)
1733 {
1734 wxWindow *win = node->GetData();
1735 wxLayoutConstraints *constr = win->GetConstraints();
1736
1737 // Reset any constraints involving this window
1738 if ( constr )
1739 {
1740 constr->left.ResetIfWin(this);
1741 constr->top.ResetIfWin(this);
1742 constr->right.ResetIfWin(this);
1743 constr->bottom.ResetIfWin(this);
1744 constr->width.ResetIfWin(this);
1745 constr->height.ResetIfWin(this);
1746 constr->centreX.ResetIfWin(this);
1747 constr->centreY.ResetIfWin(this);
1748 }
1749
1750 wxWindowList::compatibility_iterator next = node->GetNext();
1751 m_constraintsInvolvedIn->Erase(node);
1752 node = next;
1753 }
1754
1755 delete m_constraintsInvolvedIn;
1756 m_constraintsInvolvedIn = (wxWindowList *) NULL;
1757 }
1758 }
1759
1760 #endif // wxUSE_CONSTRAINTS
1761
1762 void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
1763 {
1764 if ( sizer == m_windowSizer)
1765 return;
1766
1767 if ( deleteOld )
1768 delete m_windowSizer;
1769
1770 m_windowSizer = sizer;
1771
1772 SetAutoLayout( sizer != NULL );
1773 }
1774
1775 void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
1776 {
1777 SetSizer( sizer, deleteOld );
1778 sizer->SetSizeHints( (wxWindow*) this );
1779 }
1780
1781
1782 void wxWindowBase::SetContainingSizer(wxSizer* sizer)
1783 {
1784 // adding a window to a sizer twice is going to result in fatal and
1785 // hard to debug problems later because when deleting the second
1786 // associated wxSizerItem we're going to dereference a dangling
1787 // pointer; so try to detect this as early as possible
1788 wxASSERT_MSG( !sizer || m_containingSizer != sizer,
1789 _T("Adding a window to the same sizer twice?") );
1790
1791 m_containingSizer = sizer;
1792 }
1793
1794 #if wxUSE_CONSTRAINTS
1795
1796 void wxWindowBase::SatisfyConstraints()
1797 {
1798 wxLayoutConstraints *constr = GetConstraints();
1799 bool wasOk = constr && constr->AreSatisfied();
1800
1801 ResetConstraints(); // Mark all constraints as unevaluated
1802
1803 int noChanges = 1;
1804
1805 // if we're a top level panel (i.e. our parent is frame/dialog), our
1806 // own constraints will never be satisfied any more unless we do it
1807 // here
1808 if ( wasOk )
1809 {
1810 while ( noChanges > 0 )
1811 {
1812 LayoutPhase1(&noChanges);
1813 }
1814 }
1815
1816 LayoutPhase2(&noChanges);
1817 }
1818
1819 #endif // wxUSE_CONSTRAINTS
1820
1821 bool wxWindowBase::Layout()
1822 {
1823 // If there is a sizer, use it instead of the constraints
1824 if ( GetSizer() )
1825 {
1826 int w, h;
1827 GetVirtualSize(&w, &h);
1828 GetSizer()->SetDimension( 0, 0, w, h );
1829 }
1830 #if wxUSE_CONSTRAINTS
1831 else
1832 {
1833 SatisfyConstraints(); // Find the right constraints values
1834 SetConstraintSizes(); // Recursively set the real window sizes
1835 }
1836 #endif
1837
1838 return true;
1839 }
1840
1841 #if wxUSE_CONSTRAINTS
1842
1843 // first phase of the constraints evaluation: set our own constraints
1844 bool wxWindowBase::LayoutPhase1(int *noChanges)
1845 {
1846 wxLayoutConstraints *constr = GetConstraints();
1847
1848 return !constr || constr->SatisfyConstraints(this, noChanges);
1849 }
1850
1851 // second phase: set the constraints for our children
1852 bool wxWindowBase::LayoutPhase2(int *noChanges)
1853 {
1854 *noChanges = 0;
1855
1856 // Layout children
1857 DoPhase(1);
1858
1859 // Layout grand children
1860 DoPhase(2);
1861
1862 return true;
1863 }
1864
1865 // Do a phase of evaluating child constraints
1866 bool wxWindowBase::DoPhase(int phase)
1867 {
1868 // the list containing the children for which the constraints are already
1869 // set correctly
1870 wxWindowList succeeded;
1871
1872 // the max number of iterations we loop before concluding that we can't set
1873 // the constraints
1874 static const int maxIterations = 500;
1875
1876 for ( int noIterations = 0; noIterations < maxIterations; noIterations++ )
1877 {
1878 int noChanges = 0;
1879
1880 // loop over all children setting their constraints
1881 for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1882 node;
1883 node = node->GetNext() )
1884 {
1885 wxWindow *child = node->GetData();
1886 if ( child->IsTopLevel() )
1887 {
1888 // top level children are not inside our client area
1889 continue;
1890 }
1891
1892 if ( !child->GetConstraints() || succeeded.Find(child) )
1893 {
1894 // this one is either already ok or nothing we can do about it
1895 continue;
1896 }
1897
1898 int tempNoChanges = 0;
1899 bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges)
1900 : child->LayoutPhase2(&tempNoChanges);
1901 noChanges += tempNoChanges;
1902
1903 if ( success )
1904 {
1905 succeeded.Append(child);
1906 }
1907 }
1908
1909 if ( !noChanges )
1910 {
1911 // constraints are set
1912 break;
1913 }
1914 }
1915
1916 return true;
1917 }
1918
1919 void wxWindowBase::ResetConstraints()
1920 {
1921 wxLayoutConstraints *constr = GetConstraints();
1922 if ( constr )
1923 {
1924 constr->left.SetDone(false);
1925 constr->top.SetDone(false);
1926 constr->right.SetDone(false);
1927 constr->bottom.SetDone(false);
1928 constr->width.SetDone(false);
1929 constr->height.SetDone(false);
1930 constr->centreX.SetDone(false);
1931 constr->centreY.SetDone(false);
1932 }
1933
1934 wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1935 while (node)
1936 {
1937 wxWindow *win = node->GetData();
1938 if ( !win->IsTopLevel() )
1939 win->ResetConstraints();
1940 node = node->GetNext();
1941 }
1942 }
1943
1944 // Need to distinguish between setting the 'fake' size for windows and sizers,
1945 // and setting the real values.
1946 void wxWindowBase::SetConstraintSizes(bool recurse)
1947 {
1948 wxLayoutConstraints *constr = GetConstraints();
1949 if ( constr && constr->AreSatisfied() )
1950 {
1951 int x = constr->left.GetValue();
1952 int y = constr->top.GetValue();
1953 int w = constr->width.GetValue();
1954 int h = constr->height.GetValue();
1955
1956 if ( (constr->width.GetRelationship() != wxAsIs ) ||
1957 (constr->height.GetRelationship() != wxAsIs) )
1958 {
1959 SetSize(x, y, w, h);
1960 }
1961 else
1962 {
1963 // If we don't want to resize this window, just move it...
1964 Move(x, y);
1965 }
1966 }
1967 else if ( constr )
1968 {
1969 wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
1970 GetClassInfo()->GetClassName(),
1971 GetName().c_str());
1972 }
1973
1974 if ( recurse )
1975 {
1976 wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1977 while (node)
1978 {
1979 wxWindow *win = node->GetData();
1980 if ( !win->IsTopLevel() && win->GetConstraints() )
1981 win->SetConstraintSizes();
1982 node = node->GetNext();
1983 }
1984 }
1985 }
1986
1987 // Only set the size/position of the constraint (if any)
1988 void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
1989 {
1990 wxLayoutConstraints *constr = GetConstraints();
1991 if ( constr )
1992 {
1993 if ( x != wxDefaultCoord )
1994 {
1995 constr->left.SetValue(x);
1996 constr->left.SetDone(true);
1997 }
1998 if ( y != wxDefaultCoord )
1999 {
2000 constr->top.SetValue(y);
2001 constr->top.SetDone(true);
2002 }
2003 if ( w != wxDefaultCoord )
2004 {
2005 constr->width.SetValue(w);
2006 constr->width.SetDone(true);
2007 }
2008 if ( h != wxDefaultCoord )
2009 {
2010 constr->height.SetValue(h);
2011 constr->height.SetDone(true);
2012 }
2013 }
2014 }
2015
2016 void wxWindowBase::MoveConstraint(int x, int y)
2017 {
2018 wxLayoutConstraints *constr = GetConstraints();
2019 if ( constr )
2020 {
2021 if ( x != wxDefaultCoord )
2022 {
2023 constr->left.SetValue(x);
2024 constr->left.SetDone(true);
2025 }
2026 if ( y != wxDefaultCoord )
2027 {
2028 constr->top.SetValue(y);
2029 constr->top.SetDone(true);
2030 }
2031 }
2032 }
2033
2034 void wxWindowBase::GetSizeConstraint(int *w, int *h) const
2035 {
2036 wxLayoutConstraints *constr = GetConstraints();
2037 if ( constr )
2038 {
2039 *w = constr->width.GetValue();
2040 *h = constr->height.GetValue();
2041 }
2042 else
2043 GetSize(w, h);
2044 }
2045
2046 void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const
2047 {
2048 wxLayoutConstraints *constr = GetConstraints();
2049 if ( constr )
2050 {
2051 *w = constr->width.GetValue();
2052 *h = constr->height.GetValue();
2053 }
2054 else
2055 GetClientSize(w, h);
2056 }
2057
2058 void wxWindowBase::GetPositionConstraint(int *x, int *y) const
2059 {
2060 wxLayoutConstraints *constr = GetConstraints();
2061 if ( constr )
2062 {
2063 *x = constr->left.GetValue();
2064 *y = constr->top.GetValue();
2065 }
2066 else
2067 GetPosition(x, y);
2068 }
2069
2070 #endif // wxUSE_CONSTRAINTS
2071
2072 void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
2073 {
2074 // don't do it for the dialogs/frames - they float independently of their
2075 // parent
2076 if ( !IsTopLevel() )
2077 {
2078 wxWindow *parent = GetParent();
2079 if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
2080 {
2081 wxPoint pt(parent->GetClientAreaOrigin());
2082 x += pt.x;
2083 y += pt.y;
2084 }
2085 }
2086 }
2087
2088 // ----------------------------------------------------------------------------
2089 // do Update UI processing for child controls
2090 // ----------------------------------------------------------------------------
2091
2092 void wxWindowBase::UpdateWindowUI(long flags)
2093 {
2094 wxUpdateUIEvent event(GetId());
2095 event.SetEventObject(this);
2096
2097 if ( GetEventHandler()->ProcessEvent(event) )
2098 {
2099 DoUpdateWindowUI(event);
2100 }
2101
2102 if (flags & wxUPDATE_UI_RECURSE)
2103 {
2104 wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2105 while (node)
2106 {
2107 wxWindow* child = (wxWindow*) node->GetData();
2108 child->UpdateWindowUI(flags);
2109 node = node->GetNext();
2110 }
2111 }
2112 }
2113
2114 // do the window-specific processing after processing the update event
2115 // TODO: take specific knowledge out of this function and
2116 // put in each control's base class. Unfortunately we don't
2117 // yet have base implementation files for wxCheckBox and wxRadioButton.
2118 void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
2119 {
2120 if ( event.GetSetEnabled() )
2121 Enable(event.GetEnabled());
2122
2123 #if wxUSE_CONTROLS
2124 if ( event.GetSetText() )
2125 {
2126 wxControl *control = wxDynamicCastThis(wxControl);
2127 if ( control )
2128 {
2129 if ( event.GetText() != control->GetLabel() )
2130 control->SetLabel(event.GetText());
2131 }
2132 }
2133 #endif // wxUSE_CONTROLS
2134
2135 if ( event.GetSetChecked() )
2136 {
2137 #if wxUSE_CHECKBOX
2138 wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox);
2139 if ( checkbox )
2140 {
2141 checkbox->SetValue(event.GetChecked());
2142 }
2143 #endif // wxUSE_CHECKBOX
2144
2145 #if wxUSE_RADIOBTN
2146 wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
2147 if ( radiobtn )
2148 {
2149 radiobtn->SetValue(event.GetChecked());
2150 }
2151 #endif // wxUSE_RADIOBTN
2152 }
2153 }
2154
2155 #if 0
2156 // call internal idle recursively
2157 // may be obsolete (wait until OnIdle scheme stabilises)
2158 void wxWindowBase::ProcessInternalIdle()
2159 {
2160 OnInternalIdle();
2161
2162 wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2163 while (node)
2164 {
2165 wxWindow *child = node->GetData();
2166 child->ProcessInternalIdle();
2167 node = node->GetNext();
2168 }
2169 }
2170 #endif
2171
2172 // ----------------------------------------------------------------------------
2173 // dialog units translations
2174 // ----------------------------------------------------------------------------
2175
2176 wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
2177 {
2178 int charWidth = GetCharWidth();
2179 int charHeight = GetCharHeight();
2180 wxPoint pt2 = wxDefaultPosition;
2181 if (pt.x != wxDefaultCoord)
2182 pt2.x = (int) ((pt.x * 4) / charWidth);
2183 if (pt.y != wxDefaultCoord)
2184 pt2.y = (int) ((pt.y * 8) / charHeight);
2185
2186 return pt2;
2187 }
2188
2189 wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
2190 {
2191 int charWidth = GetCharWidth();
2192 int charHeight = GetCharHeight();
2193 wxPoint pt2 = wxDefaultPosition;
2194 if (pt.x != wxDefaultCoord)
2195 pt2.x = (int) ((pt.x * charWidth) / 4);
2196 if (pt.y != wxDefaultCoord)
2197 pt2.y = (int) ((pt.y * charHeight) / 8);
2198
2199 return pt2;
2200 }
2201
2202 // ----------------------------------------------------------------------------
2203 // event handlers
2204 // ----------------------------------------------------------------------------
2205
2206 // propagate the colour change event to the subwindows
2207 void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
2208 {
2209 wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2210 while ( node )
2211 {
2212 // Only propagate to non-top-level windows
2213 wxWindow *win = node->GetData();
2214 if ( !win->IsTopLevel() )
2215 {
2216 wxSysColourChangedEvent event2;
2217 event.SetEventObject(win);
2218 win->GetEventHandler()->ProcessEvent(event2);
2219 }
2220
2221 node = node->GetNext();
2222 }
2223
2224 Refresh();
2225 }
2226
2227 // the default action is to populate dialog with data when it's created,
2228 // and nudge the UI into displaying itself correctly in case
2229 // we've turned the wxUpdateUIEvents frequency down low.
2230 void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
2231 {
2232 TransferDataToWindow();
2233
2234 // Update the UI at this point
2235 UpdateWindowUI(wxUPDATE_UI_RECURSE);
2236 }
2237
2238 // process Ctrl-Alt-mclick
2239 void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
2240 {
2241 #if wxUSE_MSGDLG
2242 if ( event.ControlDown() && event.AltDown() )
2243 {
2244 // don't translate these strings
2245 wxString port;
2246
2247 #ifdef __WXUNIVERSAL__
2248 port = _T("Univ/");
2249 #endif // __WXUNIVERSAL__
2250
2251 switch ( wxGetOsVersion() )
2252 {
2253 case wxMOTIF_X: port += _T("Motif"); break;
2254 case wxMAC:
2255 case wxMAC_DARWIN: port += _T("Mac"); break;
2256 case wxBEOS: port += _T("BeOS"); break;
2257 case wxGTK:
2258 case wxGTK_WIN32:
2259 case wxGTK_OS2:
2260 case wxGTK_BEOS: port += _T("GTK"); break;
2261 case wxWINDOWS:
2262 case wxPENWINDOWS:
2263 case wxWINDOWS_NT:
2264 case wxWIN32S:
2265 case wxWIN95:
2266 case wxWIN386: port += _T("MS Windows"); break;
2267 case wxMGL_UNIX:
2268 case wxMGL_X:
2269 case wxMGL_WIN32:
2270 case wxMGL_OS2: port += _T("MGL"); break;
2271 case wxWINDOWS_OS2:
2272 case wxOS2_PM: port += _T("OS/2"); break;
2273 default: port += _T("unknown"); break;
2274 }
2275
2276 wxMessageBox(wxString::Format(
2277 _T(
2278 " wxWidgets Library (%s port)\nVersion %u.%u.%u%s%s, compiled at %s %s\n Copyright (c) 1995-2005 wxWidgets team"
2279 ),
2280 port.c_str(),
2281 wxMAJOR_VERSION,
2282 wxMINOR_VERSION,
2283 wxRELEASE_NUMBER,
2284 #if wxUSE_UNICODE
2285 L" (Unicode)",
2286 #else
2287 "",
2288 #endif
2289 #ifdef __WXDEBUG__
2290 _T(" Debug build"),
2291 #else
2292 wxEmptyString,
2293 #endif
2294 __TDATE__,
2295 __TTIME__
2296 ),
2297 _T("wxWidgets information"),
2298 wxICON_INFORMATION | wxOK,
2299 (wxWindow *)this);
2300 }
2301 else
2302 #endif // wxUSE_MSGDLG
2303 {
2304 event.Skip();
2305 }
2306 }
2307
2308 // ----------------------------------------------------------------------------
2309 // accessibility
2310 // ----------------------------------------------------------------------------
2311
2312 #if wxUSE_ACCESSIBILITY
2313 void wxWindowBase::SetAccessible(wxAccessible* accessible)
2314 {
2315 if (m_accessible && (accessible != m_accessible))
2316 delete m_accessible;
2317 m_accessible = accessible;
2318 if (m_accessible)
2319 m_accessible->SetWindow((wxWindow*) this);
2320 }
2321
2322 // Returns the accessible object, creating if necessary.
2323 wxAccessible* wxWindowBase::GetOrCreateAccessible()
2324 {
2325 if (!m_accessible)
2326 m_accessible = CreateAccessible();
2327 return m_accessible;
2328 }
2329
2330 // Override to create a specific accessible object.
2331 wxAccessible* wxWindowBase::CreateAccessible()
2332 {
2333 return new wxWindowAccessible((wxWindow*) this);
2334 }
2335
2336 #endif
2337
2338 // ----------------------------------------------------------------------------
2339 // list classes implementation
2340 // ----------------------------------------------------------------------------
2341
2342 #if wxUSE_STL
2343
2344 #include <wx/listimpl.cpp>
2345 WX_DEFINE_LIST(wxWindowList);
2346
2347 #else
2348
2349 void wxWindowListNode::DeleteData()
2350 {
2351 delete (wxWindow *)GetData();
2352 }
2353
2354 #endif
2355
2356 // ----------------------------------------------------------------------------
2357 // borders
2358 // ----------------------------------------------------------------------------
2359
2360 wxBorder wxWindowBase::GetBorder(long flags) const
2361 {
2362 wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
2363 if ( border == wxBORDER_DEFAULT )
2364 {
2365 border = GetDefaultBorder();
2366 }
2367
2368 return border;
2369 }
2370
2371 wxBorder wxWindowBase::GetDefaultBorder() const
2372 {
2373 return wxBORDER_NONE;
2374 }
2375
2376 // ----------------------------------------------------------------------------
2377 // hit testing
2378 // ----------------------------------------------------------------------------
2379
2380 wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const
2381 {
2382 // here we just check if the point is inside the window or not
2383
2384 // check the top and left border first
2385 bool outside = x < 0 || y < 0;
2386 if ( !outside )
2387 {
2388 // check the right and bottom borders too
2389 wxSize size = GetSize();
2390 outside = x >= size.x || y >= size.y;
2391 }
2392
2393 return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
2394 }
2395
2396 // ----------------------------------------------------------------------------
2397 // mouse capture
2398 // ----------------------------------------------------------------------------
2399
2400 struct WXDLLEXPORT wxWindowNext
2401 {
2402 wxWindow *win;
2403 wxWindowNext *next;
2404 } *wxWindowBase::ms_winCaptureNext = NULL;
2405
2406 void wxWindowBase::CaptureMouse()
2407 {
2408 wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
2409
2410 wxWindow *winOld = GetCapture();
2411 if ( winOld )
2412 {
2413 ((wxWindowBase*) winOld)->DoReleaseMouse();
2414
2415 // save it on stack
2416 wxWindowNext *item = new wxWindowNext;
2417 item->win = winOld;
2418 item->next = ms_winCaptureNext;
2419 ms_winCaptureNext = item;
2420 }
2421 //else: no mouse capture to save
2422
2423 DoCaptureMouse();
2424 }
2425
2426 void wxWindowBase::ReleaseMouse()
2427 {
2428 wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
2429
2430 wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
2431
2432 DoReleaseMouse();
2433
2434 if ( ms_winCaptureNext )
2435 {
2436 ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
2437
2438 wxWindowNext *item = ms_winCaptureNext;
2439 ms_winCaptureNext = item->next;
2440 delete item;
2441 }
2442 //else: stack is empty, no previous capture
2443
2444 wxLogTrace(_T("mousecapture"),
2445 (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
2446 GetCapture());
2447 }
2448
2449 #if wxUSE_HOTKEY
2450
2451 bool
2452 wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId),
2453 int WXUNUSED(modifiers),
2454 int WXUNUSED(keycode))
2455 {
2456 // not implemented
2457 return false;
2458 }
2459
2460 bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
2461 {
2462 // not implemented
2463 return false;
2464 }
2465
2466 #endif // wxUSE_HOTKEY
2467
2468 void wxWindowBase::SendDestroyEvent()
2469 {
2470 wxWindowDestroyEvent event;
2471 event.SetEventObject(this);
2472 event.SetId(GetId());
2473 GetEventHandler()->ProcessEvent(event);
2474 }
2475
2476 // ----------------------------------------------------------------------------
2477 // event processing
2478 // ----------------------------------------------------------------------------
2479
2480 bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
2481 {
2482 #if wxUSE_VALIDATORS
2483 // Can only use the validator of the window which
2484 // is receiving the event
2485 if ( event.GetEventObject() == this )
2486 {
2487 wxValidator *validator = GetValidator();
2488 if ( validator && validator->ProcessEvent(event) )
2489 {
2490 return true;
2491 }
2492 }
2493 #endif // wxUSE_VALIDATORS
2494
2495 return false;
2496 }
2497
2498 bool wxWindowBase::TryParent(wxEvent& event)
2499 {
2500 // carry on up the parent-child hierarchy if the propgation count hasn't
2501 // reached zero yet
2502 if ( event.ShouldPropagate() )
2503 {
2504 // honour the requests to stop propagation at this window: this is
2505 // used by the dialogs, for example, to prevent processing the events
2506 // from the dialog controls in the parent frame which rarely, if ever,
2507 // makes sense
2508 if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
2509 {
2510 wxWindow *parent = GetParent();
2511 if ( parent && !parent->IsBeingDeleted() )
2512 {
2513 wxPropagateOnce propagateOnce(event);
2514
2515 return parent->GetEventHandler()->ProcessEvent(event);
2516 }
2517 }
2518 }
2519
2520 return wxEvtHandler::TryParent(event);
2521 }
2522
2523 // ----------------------------------------------------------------------------
2524 // keyboard navigation
2525 // ----------------------------------------------------------------------------
2526
2527 // Navigates in the specified direction.
2528 bool wxWindowBase::Navigate(int flags)
2529 {
2530 wxNavigationKeyEvent eventNav;
2531 eventNav.SetFlags(flags);
2532 eventNav.SetEventObject(this);
2533 if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
2534 {
2535 return true;
2536 }
2537 return false;
2538 }
2539
2540 void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
2541 {
2542 // check that we're not a top level window
2543 wxCHECK_RET( GetParent(),
2544 _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
2545
2546 // detect the special case when we have nothing to do anyhow and when the
2547 // code below wouldn't work
2548 if ( win == this )
2549 return;
2550
2551 // find the target window in the siblings list
2552 wxWindowList& siblings = GetParent()->GetChildren();
2553 wxWindowList::compatibility_iterator i = siblings.Find(win);
2554 wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") );
2555
2556 // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we
2557 // can't just move the node around
2558 wxWindow *self = (wxWindow *)this;
2559 siblings.DeleteObject(self);
2560 if ( move == MoveAfter )
2561 {
2562 i = i->GetNext();
2563 }
2564
2565 if ( i )
2566 {
2567 siblings.Insert(i, self);
2568 }
2569 else // MoveAfter and win was the last sibling
2570 {
2571 siblings.Append(self);
2572 }
2573 }
2574
2575 // ----------------------------------------------------------------------------
2576 // focus handling
2577 // ----------------------------------------------------------------------------
2578
2579 /*static*/ wxWindow* wxWindowBase::FindFocus()
2580 {
2581 wxWindowBase *win = DoFindFocus();
2582 return win ? win->GetMainWindowOfCompositeControl() : NULL;
2583 }
2584
2585 // ----------------------------------------------------------------------------
2586 // global functions
2587 // ----------------------------------------------------------------------------
2588
2589 wxWindow* wxGetTopLevelParent(wxWindow *win)
2590 {
2591 while ( win && !win->IsTopLevel() )
2592 win = win->GetParent();
2593
2594 return win;
2595 }
2596
2597 #if wxUSE_ACCESSIBILITY
2598 // ----------------------------------------------------------------------------
2599 // accessible object for windows
2600 // ----------------------------------------------------------------------------
2601
2602 // Can return either a child object, or an integer
2603 // representing the child element, starting from 1.
2604 wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject))
2605 {
2606 wxASSERT( GetWindow() != NULL );
2607 if (!GetWindow())
2608 return wxACC_FAIL;
2609
2610 return wxACC_NOT_IMPLEMENTED;
2611 }
2612
2613 // Returns the rectangle for this object (id = 0) or a child element (id > 0).
2614 wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
2615 {
2616 wxASSERT( GetWindow() != NULL );
2617 if (!GetWindow())
2618 return wxACC_FAIL;
2619
2620 wxWindow* win = NULL;
2621 if (elementId == 0)
2622 {
2623 win = GetWindow();
2624 }
2625 else
2626 {
2627 if (elementId <= (int) GetWindow()->GetChildren().GetCount())
2628 {
2629 win = GetWindow()->GetChildren().Item(elementId-1)->GetData();
2630 }
2631 else
2632 return wxACC_FAIL;
2633 }
2634 if (win)
2635 {
2636 rect = win->GetRect();
2637 if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow)))
2638 rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition()));
2639 return wxACC_OK;
2640 }
2641
2642 return wxACC_NOT_IMPLEMENTED;
2643 }
2644
2645 // Navigates from fromId to toId/toObject.
2646 wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
2647 int* WXUNUSED(toId), wxAccessible** toObject)
2648 {
2649 wxASSERT( GetWindow() != NULL );
2650 if (!GetWindow())
2651 return wxACC_FAIL;
2652
2653 switch (navDir)
2654 {
2655 case wxNAVDIR_FIRSTCHILD:
2656 {
2657 if (GetWindow()->GetChildren().GetCount() == 0)
2658 return wxACC_FALSE;
2659 wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData();
2660 *toObject = childWindow->GetOrCreateAccessible();
2661
2662 return wxACC_OK;
2663 }
2664 case wxNAVDIR_LASTCHILD:
2665 {
2666 if (GetWindow()->GetChildren().GetCount() == 0)
2667 return wxACC_FALSE;
2668 wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData();
2669 *toObject = childWindow->GetOrCreateAccessible();
2670
2671 return wxACC_OK;
2672 }
2673 case wxNAVDIR_RIGHT:
2674 case wxNAVDIR_DOWN:
2675 case wxNAVDIR_NEXT:
2676 {
2677 wxWindowList::compatibility_iterator node =
2678 wxWindowList::compatibility_iterator();
2679 if (fromId == 0)
2680 {
2681 // Can't navigate to sibling of this window
2682 // if we're a top-level window.
2683 if (!GetWindow()->GetParent())
2684 return wxACC_NOT_IMPLEMENTED;
2685
2686 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2687 }
2688 else
2689 {
2690 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2691 node = GetWindow()->GetChildren().Item(fromId-1);
2692 }
2693
2694 if (node && node->GetNext())
2695 {
2696 wxWindow* nextWindow = node->GetNext()->GetData();
2697 *toObject = nextWindow->GetOrCreateAccessible();
2698 return wxACC_OK;
2699 }
2700 else
2701 return wxACC_FALSE;
2702 }
2703 case wxNAVDIR_LEFT:
2704 case wxNAVDIR_UP:
2705 case wxNAVDIR_PREVIOUS:
2706 {
2707 wxWindowList::compatibility_iterator node =
2708 wxWindowList::compatibility_iterator();
2709 if (fromId == 0)
2710 {
2711 // Can't navigate to sibling of this window
2712 // if we're a top-level window.
2713 if (!GetWindow()->GetParent())
2714 return wxACC_NOT_IMPLEMENTED;
2715
2716 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2717 }
2718 else
2719 {
2720 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2721 node = GetWindow()->GetChildren().Item(fromId-1);
2722 }
2723
2724 if (node && node->GetPrevious())
2725 {
2726 wxWindow* previousWindow = node->GetPrevious()->GetData();
2727 *toObject = previousWindow->GetOrCreateAccessible();
2728 return wxACC_OK;
2729 }
2730 else
2731 return wxACC_FALSE;
2732 }
2733 }
2734
2735 return wxACC_NOT_IMPLEMENTED;
2736 }
2737
2738 // Gets the name of the specified object.
2739 wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
2740 {
2741 wxASSERT( GetWindow() != NULL );
2742 if (!GetWindow())
2743 return wxACC_FAIL;
2744
2745 wxString title;
2746
2747 // If a child, leave wxWidgets to call the function on the actual
2748 // child object.
2749 if (childId > 0)
2750 return wxACC_NOT_IMPLEMENTED;
2751
2752 // This will eventually be replaced by specialised
2753 // accessible classes, one for each kind of wxWidgets
2754 // control or window.
2755 #if wxUSE_BUTTON
2756 if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
2757 title = ((wxButton*) GetWindow())->GetLabel();
2758 else
2759 #endif
2760 title = GetWindow()->GetName();
2761
2762 if (!title.empty())
2763 {
2764 *name = title;
2765 return wxACC_OK;
2766 }
2767 else
2768 return wxACC_NOT_IMPLEMENTED;
2769 }
2770
2771 // Gets the number of children.
2772 wxAccStatus wxWindowAccessible::GetChildCount(int* childId)
2773 {
2774 wxASSERT( GetWindow() != NULL );
2775 if (!GetWindow())
2776 return wxACC_FAIL;
2777
2778 *childId = (int) GetWindow()->GetChildren().GetCount();
2779 return wxACC_OK;
2780 }
2781
2782 // Gets the specified child (starting from 1).
2783 // If *child is NULL and return value is wxACC_OK,
2784 // this means that the child is a simple element and
2785 // not an accessible object.
2786 wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child)
2787 {
2788 wxASSERT( GetWindow() != NULL );
2789 if (!GetWindow())
2790 return wxACC_FAIL;
2791
2792 if (childId == 0)
2793 {
2794 *child = this;
2795 return wxACC_OK;
2796 }
2797
2798 if (childId > (int) GetWindow()->GetChildren().GetCount())
2799 return wxACC_FAIL;
2800
2801 wxWindow* childWindow = GetWindow()->GetChildren().Item(childId-1)->GetData();
2802 *child = childWindow->GetOrCreateAccessible();
2803 if (*child)
2804 return wxACC_OK;
2805 else
2806 return wxACC_FAIL;
2807 }
2808
2809 // Gets the parent, or NULL.
2810 wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
2811 {
2812 wxASSERT( GetWindow() != NULL );
2813 if (!GetWindow())
2814 return wxACC_FAIL;
2815
2816 wxWindow* parentWindow = GetWindow()->GetParent();
2817 if (!parentWindow)
2818 {
2819 *parent = NULL;
2820 return wxACC_OK;
2821 }
2822 else
2823 {
2824 *parent = parentWindow->GetOrCreateAccessible();
2825 if (*parent)
2826 return wxACC_OK;
2827 else
2828 return wxACC_FAIL;
2829 }
2830 }
2831
2832 // Performs the default action. childId is 0 (the action for this object)
2833 // or > 0 (the action for a child).
2834 // Return wxACC_NOT_SUPPORTED if there is no default action for this
2835 // window (e.g. an edit control).
2836 wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId))
2837 {
2838 wxASSERT( GetWindow() != NULL );
2839 if (!GetWindow())
2840 return wxACC_FAIL;
2841
2842 return wxACC_NOT_IMPLEMENTED;
2843 }
2844
2845 // Gets the default action for this object (0) or > 0 (the action for a child).
2846 // Return wxACC_OK even if there is no action. actionName is the action, or the empty
2847 // string if there is no action.
2848 // The retrieved string describes the action that is performed on an object,
2849 // not what the object does as a result. For example, a toolbar button that prints
2850 // a document has a default action of "Press" rather than "Prints the current document."
2851 wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName))
2852 {
2853 wxASSERT( GetWindow() != NULL );
2854 if (!GetWindow())
2855 return wxACC_FAIL;
2856
2857 return wxACC_NOT_IMPLEMENTED;
2858 }
2859
2860 // Returns the description for this object or a child.
2861 wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description)
2862 {
2863 wxASSERT( GetWindow() != NULL );
2864 if (!GetWindow())
2865 return wxACC_FAIL;
2866
2867 wxString ht(GetWindow()->GetHelpText());
2868 if (!ht.empty())
2869 {
2870 *description = ht;
2871 return wxACC_OK;
2872 }
2873 return wxACC_NOT_IMPLEMENTED;
2874 }
2875
2876 // Returns help text for this object or a child, similar to tooltip text.
2877 wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText)
2878 {
2879 wxASSERT( GetWindow() != NULL );
2880 if (!GetWindow())
2881 return wxACC_FAIL;
2882
2883 wxString ht(GetWindow()->GetHelpText());
2884 if (!ht.empty())
2885 {
2886 *helpText = ht;
2887 return wxACC_OK;
2888 }
2889 return wxACC_NOT_IMPLEMENTED;
2890 }
2891
2892 // Returns the keyboard shortcut for this object or child.
2893 // Return e.g. ALT+K
2894 wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut))
2895 {
2896 wxASSERT( GetWindow() != NULL );
2897 if (!GetWindow())
2898 return wxACC_FAIL;
2899
2900 return wxACC_NOT_IMPLEMENTED;
2901 }
2902
2903 // Returns a role constant.
2904 wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
2905 {
2906 wxASSERT( GetWindow() != NULL );
2907 if (!GetWindow())
2908 return wxACC_FAIL;
2909
2910 // If a child, leave wxWidgets to call the function on the actual
2911 // child object.
2912 if (childId > 0)
2913 return wxACC_NOT_IMPLEMENTED;
2914
2915 if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2916 return wxACC_NOT_IMPLEMENTED;
2917 #if wxUSE_STATUSBAR
2918 if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2919 return wxACC_NOT_IMPLEMENTED;
2920 #endif
2921 #if wxUSE_TOOLBAR
2922 if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2923 return wxACC_NOT_IMPLEMENTED;
2924 #endif
2925
2926 //*role = wxROLE_SYSTEM_CLIENT;
2927 *role = wxROLE_SYSTEM_CLIENT;
2928 return wxACC_OK;
2929
2930 #if 0
2931 return wxACC_NOT_IMPLEMENTED;
2932 #endif
2933 }
2934
2935 // Returns a state constant.
2936 wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
2937 {
2938 wxASSERT( GetWindow() != NULL );
2939 if (!GetWindow())
2940 return wxACC_FAIL;
2941
2942 // If a child, leave wxWidgets to call the function on the actual
2943 // child object.
2944 if (childId > 0)
2945 return wxACC_NOT_IMPLEMENTED;
2946
2947 if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2948 return wxACC_NOT_IMPLEMENTED;
2949
2950 #if wxUSE_STATUSBAR
2951 if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2952 return wxACC_NOT_IMPLEMENTED;
2953 #endif
2954 #if wxUSE_TOOLBAR
2955 if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2956 return wxACC_NOT_IMPLEMENTED;
2957 #endif
2958
2959 *state = 0;
2960 return wxACC_OK;
2961
2962 #if 0
2963 return wxACC_NOT_IMPLEMENTED;
2964 #endif
2965 }
2966
2967 // Returns a localized string representing the value for the object
2968 // or child.
2969 wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
2970 {
2971 wxASSERT( GetWindow() != NULL );
2972 if (!GetWindow())
2973 return wxACC_FAIL;
2974
2975 return wxACC_NOT_IMPLEMENTED;
2976 }
2977
2978 // Selects the object or child.
2979 wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags))
2980 {
2981 wxASSERT( GetWindow() != NULL );
2982 if (!GetWindow())
2983 return wxACC_FAIL;
2984
2985 return wxACC_NOT_IMPLEMENTED;
2986 }
2987
2988 // Gets the window with the keyboard focus.
2989 // If childId is 0 and child is NULL, no object in
2990 // this subhierarchy has the focus.
2991 // If this object has the focus, child should be 'this'.
2992 wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
2993 {
2994 wxASSERT( GetWindow() != NULL );
2995 if (!GetWindow())
2996 return wxACC_FAIL;
2997
2998 return wxACC_NOT_IMPLEMENTED;
2999 }
3000
3001 // Gets a variant representing the selected children
3002 // of this object.
3003 // Acceptable values:
3004 // - a null variant (IsNull() returns true)
3005 // - a list variant (GetType() == wxT("list")
3006 // - an integer representing the selected child element,
3007 // or 0 if this object is selected (GetType() == wxT("long")
3008 // - a "void*" pointer to a wxAccessible child object
3009 wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
3010 {
3011 wxASSERT( GetWindow() != NULL );
3012 if (!GetWindow())
3013 return wxACC_FAIL;
3014
3015 return wxACC_NOT_IMPLEMENTED;
3016 }
3017
3018 #endif // wxUSE_ACCESSIBILITY
wxWidgets (Impactor)