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added missing wxUSE_RICHEDIT test
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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/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// For compilers that support precompilation, includes "wx.h".
21#include "wx/wxprec.h"
22
23#ifdef __BORLANDC__
24 #pragma hdrstop
25#endif
26
27#ifndef WX_PRECOMP
28 #include "wx/string.h"
29 #include "wx/log.h"
30 #include "wx/intl.h"
31 #include "wx/frame.h"
32 #include "wx/window.h"
33 #include "wx/control.h"
34 #include "wx/checkbox.h"
35 #include "wx/radiobut.h"
36 #include "wx/statbox.h"
37 #include "wx/textctrl.h"
38 #include "wx/settings.h"
39 #include "wx/dialog.h"
40 #include "wx/msgdlg.h"
41 #include "wx/statusbr.h"
42 #include "wx/toolbar.h"
43 #include "wx/dcclient.h"
44 #include "wx/scrolbar.h"
45 #include "wx/layout.h"
46 #include "wx/sizer.h"
47#endif //WX_PRECOMP
48
49#if wxUSE_DRAG_AND_DROP
50 #include "wx/dnd.h"
51#endif // wxUSE_DRAG_AND_DROP
52
53#if wxUSE_ACCESSIBILITY
54 #include "wx/access.h"
55#endif
56
57#if wxUSE_HELP
58 #include "wx/cshelp.h"
59#endif // wxUSE_HELP
60
61#if wxUSE_TOOLTIPS
62 #include "wx/tooltip.h"
63#endif // wxUSE_TOOLTIPS
64
65#if wxUSE_CARET
66 #include "wx/caret.h"
67#endif // wxUSE_CARET
68
69#if wxUSE_SYSTEM_OPTIONS
70 #include "wx/sysopt.h"
71#endif
72
73// For reporting compile- and runtime version of GTK+ in the ctrl+alt+mclick dialog.
74// The gtk includes don't pull any other headers in, at least not on my system - MR
75#ifdef __WXGTK__
76 #ifdef __WXGTK20__
77 #include <gtk/gtkversion.h>
78 #else
79 #include <gtk/gtkfeatures.h>
80 #endif
81 extern const unsigned int gtk_major_version;
82 extern const unsigned int gtk_minor_version;
83 extern const unsigned int gtk_micro_version;
84#endif
85
86#include "wx/platinfo.h"
87
88// Windows List
89WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
90
91// ----------------------------------------------------------------------------
92// static data
93// ----------------------------------------------------------------------------
94
95#if defined(__WXPALMOS__)
96int wxWindowBase::ms_lastControlId = 32767;
97#elif defined(__WXPM__)
98int wxWindowBase::ms_lastControlId = 2000;
99#else
100int wxWindowBase::ms_lastControlId = -200;
101#endif
102
103IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
104
105// ----------------------------------------------------------------------------
106// event table
107// ----------------------------------------------------------------------------
108
109BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler)
110 EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged)
111 EVT_INIT_DIALOG(wxWindowBase::OnInitDialog)
112 EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)
113
114#if wxUSE_HELP
115 EVT_HELP(wxID_ANY, wxWindowBase::OnHelp)
116#endif // wxUSE_HELP
117
118END_EVENT_TABLE()
119
120// ============================================================================
121// implementation of the common functionality of the wxWindow class
122// ============================================================================
123
124// ----------------------------------------------------------------------------
125// initialization
126// ----------------------------------------------------------------------------
127
128// the default initialization
129wxWindowBase::wxWindowBase()
130{
131 // no window yet, no parent nor children
132 m_parent = (wxWindow *)NULL;
133 m_windowId = wxID_ANY;
134
135 // no constraints on the minimal window size
136 m_minWidth =
137 m_maxWidth = wxDefaultCoord;
138 m_minHeight =
139 m_maxHeight = wxDefaultCoord;
140
141 // invalidiated cache value
142 m_bestSizeCache = wxDefaultSize;
143
144 // window are created enabled and visible by default
145 m_isShown =
146 m_isEnabled = true;
147
148 // the default event handler is just this window
149 m_eventHandler = this;
150
151#if wxUSE_VALIDATORS
152 // no validator
153 m_windowValidator = (wxValidator *) NULL;
154#endif // wxUSE_VALIDATORS
155
156 // the colours/fonts are default for now, so leave m_font,
157 // m_backgroundColour and m_foregroundColour uninitialized and set those
158 m_hasBgCol =
159 m_hasFgCol =
160 m_hasFont = false;
161 m_inheritBgCol =
162 m_inheritFgCol =
163 m_inheritFont = false;
164
165 // no style bits
166 m_exStyle =
167 m_windowStyle = 0;
168
169 m_backgroundStyle = wxBG_STYLE_SYSTEM;
170
171#if wxUSE_CONSTRAINTS
172 // no constraints whatsoever
173 m_constraints = (wxLayoutConstraints *) NULL;
174 m_constraintsInvolvedIn = (wxWindowList *) NULL;
175#endif // wxUSE_CONSTRAINTS
176
177 m_windowSizer = (wxSizer *) NULL;
178 m_containingSizer = (wxSizer *) NULL;
179 m_autoLayout = false;
180
181#if wxUSE_DRAG_AND_DROP
182 m_dropTarget = (wxDropTarget *)NULL;
183#endif // wxUSE_DRAG_AND_DROP
184
185#if wxUSE_TOOLTIPS
186 m_tooltip = (wxToolTip *)NULL;
187#endif // wxUSE_TOOLTIPS
188
189#if wxUSE_CARET
190 m_caret = (wxCaret *)NULL;
191#endif // wxUSE_CARET
192
193#if wxUSE_PALETTE
194 m_hasCustomPalette = false;
195#endif // wxUSE_PALETTE
196
197#if wxUSE_ACCESSIBILITY
198 m_accessible = NULL;
199#endif
200
201 m_virtualSize = wxDefaultSize;
202
203 m_scrollHelper = (wxScrollHelper *) NULL;
204
205 m_minVirtualWidth =
206 m_maxVirtualWidth = wxDefaultCoord;
207 m_minVirtualHeight =
208 m_maxVirtualHeight = wxDefaultCoord;
209
210 m_windowVariant = wxWINDOW_VARIANT_NORMAL;
211#if wxUSE_SYSTEM_OPTIONS
212 if ( wxSystemOptions::HasOption(wxWINDOW_DEFAULT_VARIANT) )
213 {
214 m_windowVariant = (wxWindowVariant) wxSystemOptions::GetOptionInt( wxWINDOW_DEFAULT_VARIANT ) ;
215 }
216#endif
217
218 // Whether we're using the current theme for this window (wxGTK only for now)
219 m_themeEnabled = false;
220
221 // VZ: this one shouldn't exist...
222 m_isBeingDeleted = false;
223}
224
225// common part of window creation process
226bool wxWindowBase::CreateBase(wxWindowBase *parent,
227 wxWindowID id,
228 const wxPoint& WXUNUSED(pos),
229 const wxSize& WXUNUSED(size),
230 long style,
231 const wxValidator& wxVALIDATOR_PARAM(validator),
232 const wxString& name)
233{
234#if wxUSE_STATBOX
235 // wxGTK doesn't allow to create controls with static box as the parent so
236 // this will result in a crash when the program is ported to wxGTK so warn
237 // the user about it
238
239 // if you get this assert, the correct solution is to create the controls
240 // as siblings of the static box
241 wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox),
242 _T("wxStaticBox can't be used as a window parent!") );
243#endif // wxUSE_STATBOX
244
245 // ids are limited to 16 bits under MSW so if you care about portability,
246 // it's not a good idea to use ids out of this range (and negative ids are
247 // reserved for wxWidgets own usage)
248 wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
249 _T("invalid id value") );
250
251 // generate a new id if the user doesn't care about it
252 m_windowId = id == wxID_ANY ? NewControlId() : id;
253
254 // don't use SetWindowStyleFlag() here, this function should only be called
255 // to change the flag after creation as it tries to reflect the changes in
256 // flags by updating the window dynamically and we don't need this here
257 m_windowStyle = style;
258
259 SetName(name);
260 SetParent(parent);
261
262#if wxUSE_VALIDATORS
263 SetValidator(validator);
264#endif // wxUSE_VALIDATORS
265
266 // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
267 // have it too - like this it's possible to set it only in the top level
268 // dialog/frame and all children will inherit it by defult
269 if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
270 {
271 SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
272 }
273
274 return true;
275}
276
277bool wxWindowBase::ToggleWindowStyle(int flag)
278{
279 wxASSERT_MSG( flag, _T("flags with 0 value can't be toggled") );
280
281 bool rc;
282 long style = GetWindowStyleFlag();
283 if ( style & flag )
284 {
285 style &= ~flag;
286 rc = false;
287 }
288 else // currently off
289 {
290 style |= flag;
291 rc = true;
292 }
293
294 SetWindowStyleFlag(style);
295
296 return rc;
297}
298
299// ----------------------------------------------------------------------------
300// destruction
301// ----------------------------------------------------------------------------
302
303// common clean up
304wxWindowBase::~wxWindowBase()
305{
306 wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
307
308 // FIXME if these 2 cases result from programming errors in the user code
309 // we should probably assert here instead of silently fixing them
310
311 // Just in case the window has been Closed, but we're then deleting
312 // immediately: don't leave dangling pointers.
313 wxPendingDelete.DeleteObject(this);
314
315 // Just in case we've loaded a top-level window via LoadNativeDialog but
316 // we weren't a dialog class
317 wxTopLevelWindows.DeleteObject((wxWindow*)this);
318
319 wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
320
321 // notify the parent about this window destruction
322 if ( m_parent )
323 m_parent->RemoveChild(this);
324
325#if wxUSE_CARET
326 delete m_caret;
327#endif // wxUSE_CARET
328
329#if wxUSE_VALIDATORS
330 delete m_windowValidator;
331#endif // wxUSE_VALIDATORS
332
333#if wxUSE_CONSTRAINTS
334 // Have to delete constraints/sizer FIRST otherwise sizers may try to look
335 // at deleted windows as they delete themselves.
336 DeleteRelatedConstraints();
337
338 if ( m_constraints )
339 {
340 // This removes any dangling pointers to this window in other windows'
341 // constraintsInvolvedIn lists.
342 UnsetConstraints(m_constraints);
343 delete m_constraints;
344 m_constraints = NULL;
345 }
346#endif // wxUSE_CONSTRAINTS
347
348 if ( m_containingSizer )
349 m_containingSizer->Detach( (wxWindow*)this );
350
351 delete m_windowSizer;
352
353#if wxUSE_DRAG_AND_DROP
354 delete m_dropTarget;
355#endif // wxUSE_DRAG_AND_DROP
356
357#if wxUSE_TOOLTIPS
358 delete m_tooltip;
359#endif // wxUSE_TOOLTIPS
360
361#if wxUSE_ACCESSIBILITY
362 delete m_accessible;
363#endif
364}
365
366void wxWindowBase::SendDestroyEvent()
367{
368 wxWindowDestroyEvent event;
369 event.SetEventObject(this);
370 event.SetId(GetId());
371 GetEventHandler()->ProcessEvent(event);
372}
373
374bool wxWindowBase::Destroy()
375{
376 delete this;
377
378 return true;
379}
380
381bool wxWindowBase::Close(bool force)
382{
383 wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId);
384 event.SetEventObject(this);
385 event.SetCanVeto(!force);
386
387 // return false if window wasn't closed because the application vetoed the
388 // close event
389 return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
390}
391
392bool wxWindowBase::DestroyChildren()
393{
394 wxWindowList::compatibility_iterator node;
395 for ( ;; )
396 {
397 // we iterate until the list becomes empty
398 node = GetChildren().GetFirst();
399 if ( !node )
400 break;
401
402 wxWindow *child = node->GetData();
403
404 // note that we really want to call delete and not ->Destroy() here
405 // because we want to delete the child immediately, before we are
406 // deleted, and delayed deletion would result in problems as our (top
407 // level) child could outlive its parent
408 delete child;
409
410 wxASSERT_MSG( !GetChildren().Find(child),
411 wxT("child didn't remove itself using RemoveChild()") );
412 }
413
414 return true;
415}
416
417// ----------------------------------------------------------------------------
418// size/position related methods
419// ----------------------------------------------------------------------------
420
421// centre the window with respect to its parent in either (or both) directions
422void wxWindowBase::DoCentre(int dir)
423{
424 wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(),
425 _T("this method only implements centering child windows") );
426
427 SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir));
428}
429
430// fits the window around the children
431void wxWindowBase::Fit()
432{
433 if ( !GetChildren().empty() )
434 {
435 SetSize(GetBestSize());
436 }
437 //else: do nothing if we have no children
438}
439
440// fits virtual size (ie. scrolled area etc.) around children
441void wxWindowBase::FitInside()
442{
443 if ( GetChildren().GetCount() > 0 )
444 {
445 SetVirtualSize( GetBestVirtualSize() );
446 }
447}
448
449// On Mac, scrollbars are explicitly children.
450#ifdef __WXMAC__
451static bool wxHasRealChildren(const wxWindowBase* win)
452{
453 int realChildCount = 0;
454
455 for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
456 node;
457 node = node->GetNext() )
458 {
459 wxWindow *win = node->GetData();
460 if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
461 realChildCount ++;
462 }
463 return (realChildCount > 0);
464}
465#endif
466
467void wxWindowBase::InvalidateBestSize()
468{
469 m_bestSizeCache = wxDefaultSize;
470
471 // parent's best size calculation may depend on its children's
472 // as long as child window we are in is not top level window itself
473 // (because the TLW size is never resized automatically)
474 // so let's invalidate it as well to be safe:
475 if (m_parent && !IsTopLevel())
476 m_parent->InvalidateBestSize();
477}
478
479// return the size best suited for the current window
480wxSize wxWindowBase::DoGetBestSize() const
481{
482 wxSize best;
483
484 if ( m_windowSizer )
485 {
486 best = m_windowSizer->GetMinSize();
487 }
488#if wxUSE_CONSTRAINTS
489 else if ( m_constraints )
490 {
491 wxConstCast(this, wxWindowBase)->SatisfyConstraints();
492
493 // our minimal acceptable size is such that all our windows fit inside
494 int maxX = 0,
495 maxY = 0;
496
497 for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
498 node;
499 node = node->GetNext() )
500 {
501 wxLayoutConstraints *c = node->GetData()->GetConstraints();
502 if ( !c )
503 {
504 // it's not normal that we have an unconstrained child, but
505 // what can we do about it?
506 continue;
507 }
508
509 int x = c->right.GetValue(),
510 y = c->bottom.GetValue();
511
512 if ( x > maxX )
513 maxX = x;
514
515 if ( y > maxY )
516 maxY = y;
517
518 // TODO: we must calculate the overlaps somehow, otherwise we
519 // will never return a size bigger than the current one :-(
520 }
521
522 best = wxSize(maxX, maxY);
523 }
524#endif // wxUSE_CONSTRAINTS
525 else if ( !GetChildren().empty()
526#ifdef __WXMAC__
527 && wxHasRealChildren(this)
528#endif
529 )
530 {
531 // our minimal acceptable size is such that all our visible child
532 // windows fit inside
533 int maxX = 0,
534 maxY = 0;
535
536 for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
537 node;
538 node = node->GetNext() )
539 {
540 wxWindow *win = node->GetData();
541 if ( win->IsTopLevel()
542 || !win->IsShown()
543#if wxUSE_STATUSBAR
544 || wxDynamicCast(win, wxStatusBar)
545#endif // wxUSE_STATUSBAR
546 )
547 {
548 // dialogs and frames lie in different top level windows -
549 // don't deal with them here; as for the status bars, they
550 // don't lie in the client area at all
551 continue;
552 }
553
554 int wx, wy, ww, wh;
555 win->GetPosition(&wx, &wy);
556
557 // if the window hadn't been positioned yet, assume that it is in
558 // the origin
559 if ( wx == wxDefaultCoord )
560 wx = 0;
561 if ( wy == wxDefaultCoord )
562 wy = 0;
563
564 win->GetSize(&ww, &wh);
565 if ( wx + ww > maxX )
566 maxX = wx + ww;
567 if ( wy + wh > maxY )
568 maxY = wy + wh;
569 }
570
571 best = wxSize(maxX, maxY);
572 }
573 else // ! has children
574 {
575 // for a generic window there is no natural best size so, if the
576 // minimal size is not set, use the current size but take care to
577 // remember it as minimal size for the next time because our best size
578 // should be constant: otherwise we could get into a situation when the
579 // window is initially at some size, then expanded to a larger size and
580 // then, when the containing window is shrunk back (because our initial
581 // best size had been used for computing the parent min size), we can't
582 // be shrunk back any more because our best size is now bigger
583 wxSize size = GetMinSize();
584 if ( !size.IsFullySpecified() )
585 {
586 size.SetDefaults(GetSize());
587 wxConstCast(this, wxWindowBase)->SetMinSize(size);
588 }
589
590 // return as-is, unadjusted by the client size difference.
591 return size;
592 }
593
594 // Add any difference between size and client size
595 wxSize diff = GetSize() - GetClientSize();
596 best.x += wxMax(0, diff.x);
597 best.y += wxMax(0, diff.y);
598
599 return best;
600}
601
602// helper of GetWindowBorderSize(): as many ports don't implement support for
603// wxSYS_BORDER/EDGE_X/Y metrics in their wxSystemSettings, use hard coded
604// fallbacks in this case
605static int wxGetMetricOrDefault(wxSystemMetric what)
606{
607 int rc = wxSystemSettings::GetMetric(what);
608 if ( rc == -1 )
609 {
610 switch ( what )
611 {
612 case wxSYS_BORDER_X:
613 case wxSYS_BORDER_Y:
614 // 2D border is by default 1 pixel wide
615 rc = 1;
616 break;
617
618 case wxSYS_EDGE_X:
619 case wxSYS_EDGE_Y:
620 // 3D borders are by default 2 pixels
621 rc = 2;
622 break;
623
624 default:
625 wxFAIL_MSG( _T("unexpected wxGetMetricOrDefault() argument") );
626 rc = 0;
627 }
628 }
629
630 return rc;
631}
632
633wxSize wxWindowBase::GetWindowBorderSize() const
634{
635 wxSize size;
636
637 switch ( GetBorder() )
638 {
639 case wxBORDER_NONE:
640 // nothing to do, size is already (0, 0)
641 break;
642
643 case wxBORDER_SIMPLE:
644 case wxBORDER_STATIC:
645 size.x = wxGetMetricOrDefault(wxSYS_BORDER_X);
646 size.y = wxGetMetricOrDefault(wxSYS_BORDER_Y);
647 break;
648
649 case wxBORDER_SUNKEN:
650 case wxBORDER_RAISED:
651 size.x = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_X),
652 wxGetMetricOrDefault(wxSYS_BORDER_X));
653 size.y = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_Y),
654 wxGetMetricOrDefault(wxSYS_BORDER_Y));
655 break;
656
657 case wxBORDER_DOUBLE:
658 size.x = wxGetMetricOrDefault(wxSYS_EDGE_X) +
659 wxGetMetricOrDefault(wxSYS_BORDER_X);
660 size.y = wxGetMetricOrDefault(wxSYS_EDGE_Y) +
661 wxGetMetricOrDefault(wxSYS_BORDER_Y);
662 break;
663
664 default:
665 wxFAIL_MSG(_T("Unknown border style."));
666 break;
667 }
668
669 // we have borders on both sides
670 return size*2;
671}
672
673wxSize wxWindowBase::GetEffectiveMinSize() const
674{
675 // merge the best size with the min size, giving priority to the min size
676 wxSize min = GetMinSize();
677 if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
678 {
679 wxSize best = GetBestSize();
680 if (min.x == wxDefaultCoord) min.x = best.x;
681 if (min.y == wxDefaultCoord) min.y = best.y;
682 }
683 return min;
684}
685
686
687void wxWindowBase::SetInitialSize(const wxSize& size)
688{
689 // Set the min size to the size passed in. This will usually either be
690 // wxDefaultSize or the size passed to this window's ctor/Create function.
691 SetMinSize(size);
692
693 // Merge the size with the best size if needed
694 wxSize best = GetEffectiveMinSize();
695
696 // If the current size doesn't match then change it
697 if (GetSize() != best)
698 SetSize(best);
699}
700
701
702// by default the origin is not shifted
703wxPoint wxWindowBase::GetClientAreaOrigin() const
704{
705 return wxPoint(0,0);
706}
707
708void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
709{
710 if ( m_windowVariant != variant )
711 {
712 m_windowVariant = variant;
713
714 DoSetWindowVariant(variant);
715 }
716}
717
718void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
719{
720 // adjust the font height to correspond to our new variant (notice that
721 // we're only called if something really changed)
722 wxFont font = GetFont();
723 int size = font.GetPointSize();
724 switch ( variant )
725 {
726 case wxWINDOW_VARIANT_NORMAL:
727 break;
728
729 case wxWINDOW_VARIANT_SMALL:
730 size *= 3;
731 size /= 4;
732 break;
733
734 case wxWINDOW_VARIANT_MINI:
735 size *= 2;
736 size /= 3;
737 break;
738
739 case wxWINDOW_VARIANT_LARGE:
740 size *= 5;
741 size /= 4;
742 break;
743
744 default:
745 wxFAIL_MSG(_T("unexpected window variant"));
746 break;
747 }
748
749 font.SetPointSize(size);
750 SetFont(font);
751}
752
753void wxWindowBase::DoSetSizeHints( int minW, int minH,
754 int maxW, int maxH,
755 int WXUNUSED(incW), int WXUNUSED(incH) )
756{
757 wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
758 (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
759 _T("min width/height must be less than max width/height!") );
760
761 m_minWidth = minW;
762 m_maxWidth = maxW;
763 m_minHeight = minH;
764 m_maxHeight = maxH;
765}
766
767
768void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
769 int maxW, int maxH )
770{
771 m_minVirtualWidth = minW;
772 m_maxVirtualWidth = maxW;
773 m_minVirtualHeight = minH;
774 m_maxVirtualHeight = maxH;
775}
776
777void wxWindowBase::DoSetVirtualSize( int x, int y )
778{
779 if ( m_minVirtualWidth != wxDefaultCoord && m_minVirtualWidth > x )
780 x = m_minVirtualWidth;
781 if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
782 x = m_maxVirtualWidth;
783 if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
784 y = m_minVirtualHeight;
785 if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
786 y = m_maxVirtualHeight;
787
788 m_virtualSize = wxSize(x, y);
789}
790
791wxSize wxWindowBase::DoGetVirtualSize() const
792{
793 // we should use the entire client area so if it is greater than our
794 // virtual size, expand it to fit (otherwise if the window is big enough we
795 // wouldn't be using parts of it)
796 wxSize size = GetClientSize();
797 if ( m_virtualSize.x > size.x )
798 size.x = m_virtualSize.x;
799
800 if ( m_virtualSize.y >= size.y )
801 size.y = m_virtualSize.y;
802
803 return size;
804}
805
806void wxWindowBase::DoGetScreenPosition(int *x, int *y) const
807{
808 // screen position is the same as (0, 0) in client coords for non TLWs (and
809 // TLWs override this method)
810 if ( x )
811 *x = 0;
812 if ( y )
813 *y = 0;
814
815 ClientToScreen(x, y);
816}
817
818// ----------------------------------------------------------------------------
819// show/hide/enable/disable the window
820// ----------------------------------------------------------------------------
821
822bool wxWindowBase::Show(bool show)
823{
824 if ( show != m_isShown )
825 {
826 m_isShown = show;
827
828 return true;
829 }
830 else
831 {
832 return false;
833 }
834}
835
836bool wxWindowBase::IsEnabled() const
837{
838 return IsThisEnabled() && (IsTopLevel() || !GetParent() || GetParent()->IsEnabled());
839}
840
841void wxWindowBase::NotifyWindowOnEnableChange(bool enabled)
842{
843#ifndef wxHAS_NATIVE_ENABLED_MANAGEMENT
844 DoEnable(enabled);
845#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
846
847 OnEnabled(enabled);
848
849 // If we are top-level then the logic doesn't apply - otherwise
850 // showing a modal dialog would result in total greying out (and ungreying
851 // out later) of everything which would be really ugly
852 if ( IsTopLevel() )
853 return;
854
855 for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
856 node;
857 node = node->GetNext() )
858 {
859 wxWindowBase * const child = node->GetData();
860 if ( !child->IsTopLevel() && child->IsThisEnabled() )
861 child->NotifyWindowOnEnableChange(enabled);
862 }
863}
864
865bool wxWindowBase::Enable(bool enable)
866{
867 if ( enable == IsThisEnabled() )
868 return false;
869
870 m_isEnabled = enable;
871
872#ifdef wxHAS_NATIVE_ENABLED_MANAGEMENT
873 DoEnable(enable);
874#else // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
875 wxWindowBase * const parent = GetParent();
876 if( !IsTopLevel() && parent && !parent->IsEnabled() )
877 {
878 return true;
879 }
880#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
881
882 NotifyWindowOnEnableChange(enable);
883
884 return true;
885}
886
887bool wxWindowBase::IsShownOnScreen() const
888{
889 return IsShown() &&
890 (GetParent() == NULL || GetParent()->IsShownOnScreen());
891}
892
893// ----------------------------------------------------------------------------
894// RTTI
895// ----------------------------------------------------------------------------
896
897bool wxWindowBase::IsTopLevel() const
898{
899 return false;
900}
901
902// ----------------------------------------------------------------------------
903// reparenting the window
904// ----------------------------------------------------------------------------
905
906void wxWindowBase::AddChild(wxWindowBase *child)
907{
908 wxCHECK_RET( child, wxT("can't add a NULL child") );
909
910 // this should never happen and it will lead to a crash later if it does
911 // because RemoveChild() will remove only one node from the children list
912 // and the other(s) one(s) will be left with dangling pointers in them
913 wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") );
914
915 GetChildren().Append((wxWindow*)child);
916 child->SetParent(this);
917}
918
919void wxWindowBase::RemoveChild(wxWindowBase *child)
920{
921 wxCHECK_RET( child, wxT("can't remove a NULL child") );
922
923 GetChildren().DeleteObject((wxWindow *)child);
924 child->SetParent(NULL);
925}
926
927bool wxWindowBase::Reparent(wxWindowBase *newParent)
928{
929 wxWindow *oldParent = GetParent();
930 if ( newParent == oldParent )
931 {
932 // nothing done
933 return false;
934 }
935
936 const bool oldEnabledState = IsEnabled();
937
938 // unlink this window from the existing parent.
939 if ( oldParent )
940 {
941 oldParent->RemoveChild(this);
942 }
943 else
944 {
945 wxTopLevelWindows.DeleteObject((wxWindow *)this);
946 }
947
948 // add it to the new one
949 if ( newParent )
950 {
951 newParent->AddChild(this);
952 }
953 else
954 {
955 wxTopLevelWindows.Append((wxWindow *)this);
956 }
957
958 // We need to notify window (and its subwindows) if by changing the parent
959 // we also change our enabled/disabled status.
960 const bool newEnabledState = IsEnabled();
961 if ( newEnabledState != oldEnabledState )
962 {
963 NotifyWindowOnEnableChange(newEnabledState);
964 }
965
966 return true;
967}
968
969// ----------------------------------------------------------------------------
970// event handler stuff
971// ----------------------------------------------------------------------------
972
973void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
974{
975 wxEvtHandler *handlerOld = GetEventHandler();
976
977 handler->SetNextHandler(handlerOld);
978
979 if ( handlerOld )
980 GetEventHandler()->SetPreviousHandler(handler);
981
982 SetEventHandler(handler);
983}
984
985wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
986{
987 wxEvtHandler *handlerA = GetEventHandler();
988 if ( handlerA )
989 {
990 wxEvtHandler *handlerB = handlerA->GetNextHandler();
991 handlerA->SetNextHandler((wxEvtHandler *)NULL);
992
993 if ( handlerB )
994 handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
995 SetEventHandler(handlerB);
996
997 if ( deleteHandler )
998 {
999 delete handlerA;
1000 handlerA = (wxEvtHandler *)NULL;
1001 }
1002 }
1003
1004 return handlerA;
1005}
1006
1007bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
1008{
1009 wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
1010
1011 wxEvtHandler *handlerPrev = NULL,
1012 *handlerCur = GetEventHandler();
1013 while ( handlerCur )
1014 {
1015 wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
1016
1017 if ( handlerCur == handler )
1018 {
1019 if ( handlerPrev )
1020 {
1021 handlerPrev->SetNextHandler(handlerNext);
1022 }
1023 else
1024 {
1025 SetEventHandler(handlerNext);
1026 }
1027
1028 if ( handlerNext )
1029 {
1030 handlerNext->SetPreviousHandler ( handlerPrev );
1031 }
1032
1033 handler->SetNextHandler(NULL);
1034 handler->SetPreviousHandler(NULL);
1035
1036 return true;
1037 }
1038
1039 handlerPrev = handlerCur;
1040 handlerCur = handlerNext;
1041 }
1042
1043 wxFAIL_MSG( _T("where has the event handler gone?") );
1044
1045 return false;
1046}
1047
1048// ----------------------------------------------------------------------------
1049// colours, fonts &c
1050// ----------------------------------------------------------------------------
1051
1052void wxWindowBase::InheritAttributes()
1053{
1054 const wxWindowBase * const parent = GetParent();
1055 if ( !parent )
1056 return;
1057
1058 // we only inherit attributes which had been explicitly set for the parent
1059 // which ensures that this only happens if the user really wants it and
1060 // not by default which wouldn't make any sense in modern GUIs where the
1061 // controls don't all use the same fonts (nor colours)
1062 if ( parent->m_inheritFont && !m_hasFont )
1063 SetFont(parent->GetFont());
1064
1065 // in addition, there is a possibility to explicitly forbid inheriting
1066 // colours at each class level by overriding ShouldInheritColours()
1067 if ( ShouldInheritColours() )
1068 {
1069 if ( parent->m_inheritFgCol && !m_hasFgCol )
1070 SetForegroundColour(parent->GetForegroundColour());
1071
1072 // inheriting (solid) background colour is wrong as it totally breaks
1073 // any kind of themed backgrounds
1074 //
1075 // instead, the controls should use the same background as their parent
1076 // (ideally by not drawing it at all)
1077#if 0
1078 if ( parent->m_inheritBgCol && !m_hasBgCol )
1079 SetBackgroundColour(parent->GetBackgroundColour());
1080#endif // 0
1081 }
1082}
1083
1084/* static */ wxVisualAttributes
1085wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1086{
1087 // it is important to return valid values for all attributes from here,
1088 // GetXXX() below rely on this
1089 wxVisualAttributes attrs;
1090 attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
1091 attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
1092
1093 // On Smartphone/PocketPC, wxSYS_COLOUR_WINDOW is a better reflection of
1094 // the usual background colour than wxSYS_COLOUR_BTNFACE.
1095 // It's a pity that wxSYS_COLOUR_WINDOW isn't always a suitable background
1096 // colour on other platforms.
1097
1098#if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__POCKETPC__))
1099 attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1100#else
1101 attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1102#endif
1103 return attrs;
1104}
1105
1106wxColour wxWindowBase::GetBackgroundColour() const
1107{
1108 if ( !m_backgroundColour.Ok() )
1109 {
1110 wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
1111
1112 // get our default background colour
1113 wxColour colBg = GetDefaultAttributes().colBg;
1114
1115 // we must return some valid colour to avoid redoing this every time
1116 // and also to avoid surprizing the applications written for older
1117 // wxWidgets versions where GetBackgroundColour() always returned
1118 // something -- so give them something even if it doesn't make sense
1119 // for this window (e.g. it has a themed background)
1120 if ( !colBg.Ok() )
1121 colBg = GetClassDefaultAttributes().colBg;
1122
1123 return colBg;
1124 }
1125 else
1126 return m_backgroundColour;
1127}
1128
1129wxColour wxWindowBase::GetForegroundColour() const
1130{
1131 // logic is the same as above
1132 if ( !m_hasFgCol && !m_foregroundColour.Ok() )
1133 {
1134 wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
1135
1136 wxColour colFg = GetDefaultAttributes().colFg;
1137
1138 if ( !colFg.Ok() )
1139 colFg = GetClassDefaultAttributes().colFg;
1140
1141 return colFg;
1142 }
1143 else
1144 return m_foregroundColour;
1145}
1146
1147bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
1148{
1149 if ( colour == m_backgroundColour )
1150 return false;
1151
1152 m_hasBgCol = colour.Ok();
1153 if ( m_backgroundStyle != wxBG_STYLE_CUSTOM )
1154 m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM;
1155
1156 m_inheritBgCol = m_hasBgCol;
1157 m_backgroundColour = colour;
1158 SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
1159 return true;
1160}
1161
1162bool wxWindowBase::SetForegroundColour( const wxColour &colour )
1163{
1164 if (colour == m_foregroundColour )
1165 return false;
1166
1167 m_hasFgCol = colour.Ok();
1168 m_inheritFgCol = m_hasFgCol;
1169 m_foregroundColour = colour;
1170 SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
1171 return true;
1172}
1173
1174bool wxWindowBase::SetCursor(const wxCursor& cursor)
1175{
1176 // setting an invalid cursor is ok, it means that we don't have any special
1177 // cursor
1178 if ( m_cursor.IsSameAs(cursor) )
1179 {
1180 // no change
1181 return false;
1182 }
1183
1184 m_cursor = cursor;
1185
1186 return true;
1187}
1188
1189wxFont wxWindowBase::GetFont() const
1190{
1191 // logic is the same as in GetBackgroundColour()
1192 if ( !m_font.Ok() )
1193 {
1194 wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
1195
1196 wxFont font = GetDefaultAttributes().font;
1197 if ( !font.Ok() )
1198 font = GetClassDefaultAttributes().font;
1199
1200 return font;
1201 }
1202 else
1203 return m_font;
1204}
1205
1206bool wxWindowBase::SetFont(const wxFont& font)
1207{
1208 if ( font == m_font )
1209 {
1210 // no change
1211 return false;
1212 }
1213
1214 m_font = font;
1215 m_hasFont = font.Ok();
1216 m_inheritFont = m_hasFont;
1217
1218 InvalidateBestSize();
1219
1220 return true;
1221}
1222
1223#if wxUSE_PALETTE
1224
1225void wxWindowBase::SetPalette(const wxPalette& pal)
1226{
1227 m_hasCustomPalette = true;
1228 m_palette = pal;
1229
1230 // VZ: can anyone explain me what do we do here?
1231 wxWindowDC d((wxWindow *) this);
1232 d.SetPalette(pal);
1233}
1234
1235wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const
1236{
1237 wxWindow *win = (wxWindow *)this;
1238 while ( win && !win->HasCustomPalette() )
1239 {
1240 win = win->GetParent();
1241 }
1242
1243 return win;
1244}
1245
1246#endif // wxUSE_PALETTE
1247
1248#if wxUSE_CARET
1249void wxWindowBase::SetCaret(wxCaret *caret)
1250{
1251 if ( m_caret )
1252 {
1253 delete m_caret;
1254 }
1255
1256 m_caret = caret;
1257
1258 if ( m_caret )
1259 {
1260 wxASSERT_MSG( m_caret->GetWindow() == this,
1261 wxT("caret should be created associated to this window") );
1262 }
1263}
1264#endif // wxUSE_CARET
1265
1266#if wxUSE_VALIDATORS
1267// ----------------------------------------------------------------------------
1268// validators
1269// ----------------------------------------------------------------------------
1270
1271void wxWindowBase::SetValidator(const wxValidator& validator)
1272{
1273 if ( m_windowValidator )
1274 delete m_windowValidator;
1275
1276 m_windowValidator = (wxValidator *)validator.Clone();
1277
1278 if ( m_windowValidator )
1279 m_windowValidator->SetWindow(this);
1280}
1281#endif // wxUSE_VALIDATORS
1282
1283// ----------------------------------------------------------------------------
1284// update region stuff
1285// ----------------------------------------------------------------------------
1286
1287wxRect wxWindowBase::GetUpdateClientRect() const
1288{
1289 wxRegion rgnUpdate = GetUpdateRegion();
1290 rgnUpdate.Intersect(GetClientRect());
1291 wxRect rectUpdate = rgnUpdate.GetBox();
1292 wxPoint ptOrigin = GetClientAreaOrigin();
1293 rectUpdate.x -= ptOrigin.x;
1294 rectUpdate.y -= ptOrigin.y;
1295
1296 return rectUpdate;
1297}
1298
1299bool wxWindowBase::DoIsExposed(int x, int y) const
1300{
1301 return m_updateRegion.Contains(x, y) != wxOutRegion;
1302}
1303
1304bool wxWindowBase::DoIsExposed(int x, int y, int w, int h) const
1305{
1306 return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
1307}
1308
1309void wxWindowBase::ClearBackground()
1310{
1311 // wxGTK uses its own version, no need to add never used code
1312#ifndef __WXGTK__
1313 wxClientDC dc((wxWindow *)this);
1314 wxBrush brush(GetBackgroundColour(), wxSOLID);
1315 dc.SetBackground(brush);
1316 dc.Clear();
1317#endif // __WXGTK__
1318}
1319
1320// ----------------------------------------------------------------------------
1321// find child window by id or name
1322// ----------------------------------------------------------------------------
1323
1324wxWindow *wxWindowBase::FindWindow(long id) const
1325{
1326 if ( id == m_windowId )
1327 return (wxWindow *)this;
1328
1329 wxWindowBase *res = (wxWindow *)NULL;
1330 wxWindowList::compatibility_iterator node;
1331 for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1332 {
1333 wxWindowBase *child = node->GetData();
1334 res = child->FindWindow( id );
1335 }
1336
1337 return (wxWindow *)res;
1338}
1339
1340wxWindow *wxWindowBase::FindWindow(const wxString& name) const
1341{
1342 if ( name == m_windowName )
1343 return (wxWindow *)this;
1344
1345 wxWindowBase *res = (wxWindow *)NULL;
1346 wxWindowList::compatibility_iterator node;
1347 for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1348 {
1349 wxWindow *child = node->GetData();
1350 res = child->FindWindow(name);
1351 }
1352
1353 return (wxWindow *)res;
1354}
1355
1356
1357// find any window by id or name or label: If parent is non-NULL, look through
1358// children for a label or title matching the specified string. If NULL, look
1359// through all top-level windows.
1360//
1361// to avoid duplicating code we reuse the same helper function but with
1362// different comparators
1363
1364typedef bool (*wxFindWindowCmp)(const wxWindow *win,
1365 const wxString& label, long id);
1366
1367static
1368bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label,
1369 long WXUNUSED(id))
1370{
1371 return win->GetLabel() == label;
1372}
1373
1374static
1375bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label,
1376 long WXUNUSED(id))
1377{
1378 return win->GetName() == label;
1379}
1380
1381static
1382bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label),
1383 long id)
1384{
1385 return win->GetId() == id;
1386}
1387
1388// recursive helper for the FindWindowByXXX() functions
1389static
1390wxWindow *wxFindWindowRecursively(const wxWindow *parent,
1391 const wxString& label,
1392 long id,
1393 wxFindWindowCmp cmp)
1394{
1395 if ( parent )
1396 {
1397 // see if this is the one we're looking for
1398 if ( (*cmp)(parent, label, id) )
1399 return (wxWindow *)parent;
1400
1401 // It wasn't, so check all its children
1402 for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
1403 node;
1404 node = node->GetNext() )
1405 {
1406 // recursively check each child
1407 wxWindow *win = (wxWindow *)node->GetData();
1408 wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1409 if (retwin)
1410 return retwin;
1411 }
1412 }
1413
1414 // Not found
1415 return NULL;
1416}
1417
1418// helper for FindWindowByXXX()
1419static
1420wxWindow *wxFindWindowHelper(const wxWindow *parent,
1421 const wxString& label,
1422 long id,
1423 wxFindWindowCmp cmp)
1424{
1425 if ( parent )
1426 {
1427 // just check parent and all its children
1428 return wxFindWindowRecursively(parent, label, id, cmp);
1429 }
1430
1431 // start at very top of wx's windows
1432 for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1433 node;
1434 node = node->GetNext() )
1435 {
1436 // recursively check each window & its children
1437 wxWindow *win = node->GetData();
1438 wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1439 if (retwin)
1440 return retwin;
1441 }
1442
1443 return NULL;
1444}
1445
1446/* static */
1447wxWindow *
1448wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent)
1449{
1450 return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels);
1451}
1452
1453/* static */
1454wxWindow *
1455wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent)
1456{
1457 wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames);
1458
1459 if ( !win )
1460 {
1461 // fall back to the label
1462 win = FindWindowByLabel(title, parent);
1463 }
1464
1465 return win;
1466}
1467
1468/* static */
1469wxWindow *
1470wxWindowBase::FindWindowById( long id, const wxWindow* parent )
1471{
1472 return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds);
1473}
1474
1475// ----------------------------------------------------------------------------
1476// dialog oriented functions
1477// ----------------------------------------------------------------------------
1478
1479void wxWindowBase::MakeModal(bool modal)
1480{
1481 // Disable all other windows
1482 if ( IsTopLevel() )
1483 {
1484 wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1485 while (node)
1486 {
1487 wxWindow *win = node->GetData();
1488 if (win != this)
1489 win->Enable(!modal);
1490
1491 node = node->GetNext();
1492 }
1493 }
1494}
1495
1496bool wxWindowBase::Validate()
1497{
1498#if wxUSE_VALIDATORS
1499 bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1500
1501 wxWindowList::compatibility_iterator node;
1502 for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1503 {
1504 wxWindowBase *child = node->GetData();
1505 wxValidator *validator = child->GetValidator();
1506 if ( validator && !validator->Validate((wxWindow *)this) )
1507 {
1508 return false;
1509 }
1510
1511 if ( recurse && !child->Validate() )
1512 {
1513 return false;
1514 }
1515 }
1516#endif // wxUSE_VALIDATORS
1517
1518 return true;
1519}
1520
1521bool wxWindowBase::TransferDataToWindow()
1522{
1523#if wxUSE_VALIDATORS
1524 bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1525
1526 wxWindowList::compatibility_iterator node;
1527 for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1528 {
1529 wxWindowBase *child = node->GetData();
1530 wxValidator *validator = child->GetValidator();
1531 if ( validator && !validator->TransferToWindow() )
1532 {
1533 wxLogWarning(_("Could not transfer data to window"));
1534#if wxUSE_LOG
1535 wxLog::FlushActive();
1536#endif // wxUSE_LOG
1537
1538 return false;
1539 }
1540
1541 if ( recurse )
1542 {
1543 if ( !child->TransferDataToWindow() )
1544 {
1545 // warning already given
1546 return false;
1547 }
1548 }
1549 }
1550#endif // wxUSE_VALIDATORS
1551
1552 return true;
1553}
1554
1555bool wxWindowBase::TransferDataFromWindow()
1556{
1557#if wxUSE_VALIDATORS
1558 bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1559
1560 wxWindowList::compatibility_iterator node;
1561 for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1562 {
1563 wxWindow *child = node->GetData();
1564 wxValidator *validator = child->GetValidator();
1565 if ( validator && !validator->TransferFromWindow() )
1566 {
1567 // nop warning here because the application is supposed to give
1568 // one itself - we don't know here what might have gone wrongly
1569
1570 return false;
1571 }
1572
1573 if ( recurse )
1574 {
1575 if ( !child->TransferDataFromWindow() )
1576 {
1577 // warning already given
1578 return false;
1579 }
1580 }
1581 }
1582#endif // wxUSE_VALIDATORS
1583
1584 return true;
1585}
1586
1587void wxWindowBase::InitDialog()
1588{
1589 wxInitDialogEvent event(GetId());
1590 event.SetEventObject( this );
1591 GetEventHandler()->ProcessEvent(event);
1592}
1593
1594// ----------------------------------------------------------------------------
1595// context-sensitive help support
1596// ----------------------------------------------------------------------------
1597
1598#if wxUSE_HELP
1599
1600// associate this help text with this window
1601void wxWindowBase::SetHelpText(const wxString& text)
1602{
1603 wxHelpProvider *helpProvider = wxHelpProvider::Get();
1604 if ( helpProvider )
1605 {
1606 helpProvider->AddHelp(this, text);
1607 }
1608}
1609
1610// associate this help text with all windows with the same id as this
1611// one
1612void wxWindowBase::SetHelpTextForId(const wxString& text)
1613{
1614 wxHelpProvider *helpProvider = wxHelpProvider::Get();
1615 if ( helpProvider )
1616 {
1617 helpProvider->AddHelp(GetId(), text);
1618 }
1619}
1620
1621// get the help string associated with this window (may be empty)
1622// default implementation forwards calls to the help provider
1623wxString
1624wxWindowBase::GetHelpTextAtPoint(const wxPoint & WXUNUSED(pt),
1625 wxHelpEvent::Origin WXUNUSED(origin)) const
1626{
1627 wxString text;
1628 wxHelpProvider *helpProvider = wxHelpProvider::Get();
1629 if ( helpProvider )
1630 {
1631 text = helpProvider->GetHelp(this);
1632 }
1633
1634 return text;
1635}
1636
1637// show help for this window
1638void wxWindowBase::OnHelp(wxHelpEvent& event)
1639{
1640 wxHelpProvider *helpProvider = wxHelpProvider::Get();
1641 if ( helpProvider )
1642 {
1643 if ( helpProvider->ShowHelpAtPoint(this, event.GetPosition(), event.GetOrigin()) )
1644 {
1645 // skip the event.Skip() below
1646 return;
1647 }
1648 }
1649
1650 event.Skip();
1651}
1652
1653#endif // wxUSE_HELP
1654
1655// ----------------------------------------------------------------------------
1656// tooltips
1657// ----------------------------------------------------------------------------
1658
1659#if wxUSE_TOOLTIPS
1660
1661void wxWindowBase::SetToolTip( const wxString &tip )
1662{
1663 // don't create the new tooltip if we already have one
1664 if ( m_tooltip )
1665 {
1666 m_tooltip->SetTip( tip );
1667 }
1668 else
1669 {
1670 SetToolTip( new wxToolTip( tip ) );
1671 }
1672
1673 // setting empty tooltip text does not remove the tooltip any more - use
1674 // SetToolTip((wxToolTip *)NULL) for this
1675}
1676
1677void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
1678{
1679 if ( m_tooltip != tooltip )
1680 {
1681 if ( m_tooltip )
1682 delete m_tooltip;
1683
1684 m_tooltip = tooltip;
1685 }
1686}
1687
1688#endif // wxUSE_TOOLTIPS
1689
1690// ----------------------------------------------------------------------------
1691// constraints and sizers
1692// ----------------------------------------------------------------------------
1693
1694#if wxUSE_CONSTRAINTS
1695
1696void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints )
1697{
1698 if ( m_constraints )
1699 {
1700 UnsetConstraints(m_constraints);
1701 delete m_constraints;
1702 }
1703 m_constraints = constraints;
1704 if ( m_constraints )
1705 {
1706 // Make sure other windows know they're part of a 'meaningful relationship'
1707 if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) )
1708 m_constraints->left.GetOtherWindow()->AddConstraintReference(this);
1709 if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) )
1710 m_constraints->top.GetOtherWindow()->AddConstraintReference(this);
1711 if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) )
1712 m_constraints->right.GetOtherWindow()->AddConstraintReference(this);
1713 if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) )
1714 m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this);
1715 if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) )
1716 m_constraints->width.GetOtherWindow()->AddConstraintReference(this);
1717 if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) )
1718 m_constraints->height.GetOtherWindow()->AddConstraintReference(this);
1719 if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) )
1720 m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this);
1721 if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) )
1722 m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this);
1723 }
1724}
1725
1726// This removes any dangling pointers to this window in other windows'
1727// constraintsInvolvedIn lists.
1728void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c)
1729{
1730 if ( c )
1731 {
1732 if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1733 c->left.GetOtherWindow()->RemoveConstraintReference(this);
1734 if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1735 c->top.GetOtherWindow()->RemoveConstraintReference(this);
1736 if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) )
1737 c->right.GetOtherWindow()->RemoveConstraintReference(this);
1738 if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) )
1739 c->bottom.GetOtherWindow()->RemoveConstraintReference(this);
1740 if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) )
1741 c->width.GetOtherWindow()->RemoveConstraintReference(this);
1742 if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) )
1743 c->height.GetOtherWindow()->RemoveConstraintReference(this);
1744 if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) )
1745 c->centreX.GetOtherWindow()->RemoveConstraintReference(this);
1746 if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) )
1747 c->centreY.GetOtherWindow()->RemoveConstraintReference(this);
1748 }
1749}
1750
1751// Back-pointer to other windows we're involved with, so if we delete this
1752// window, we must delete any constraints we're involved with.
1753void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin)
1754{
1755 if ( !m_constraintsInvolvedIn )
1756 m_constraintsInvolvedIn = new wxWindowList;
1757 if ( !m_constraintsInvolvedIn->Find((wxWindow *)otherWin) )
1758 m_constraintsInvolvedIn->Append((wxWindow *)otherWin);
1759}
1760
1761// REMOVE back-pointer to other windows we're involved with.
1762void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin)
1763{
1764 if ( m_constraintsInvolvedIn )
1765 m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin);
1766}
1767
1768// Reset any constraints that mention this window
1769void wxWindowBase::DeleteRelatedConstraints()
1770{
1771 if ( m_constraintsInvolvedIn )
1772 {
1773 wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst();
1774 while (node)
1775 {
1776 wxWindow *win = node->GetData();
1777 wxLayoutConstraints *constr = win->GetConstraints();
1778
1779 // Reset any constraints involving this window
1780 if ( constr )
1781 {
1782 constr->left.ResetIfWin(this);
1783 constr->top.ResetIfWin(this);
1784 constr->right.ResetIfWin(this);
1785 constr->bottom.ResetIfWin(this);
1786 constr->width.ResetIfWin(this);
1787 constr->height.ResetIfWin(this);
1788 constr->centreX.ResetIfWin(this);
1789 constr->centreY.ResetIfWin(this);
1790 }
1791
1792 wxWindowList::compatibility_iterator next = node->GetNext();
1793 m_constraintsInvolvedIn->Erase(node);
1794 node = next;
1795 }
1796
1797 delete m_constraintsInvolvedIn;
1798 m_constraintsInvolvedIn = (wxWindowList *) NULL;
1799 }
1800}
1801
1802#endif // wxUSE_CONSTRAINTS
1803
1804void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
1805{
1806 if ( sizer == m_windowSizer)
1807 return;
1808
1809 if ( m_windowSizer )
1810 {
1811 m_windowSizer->SetContainingWindow(NULL);
1812
1813 if ( deleteOld )
1814 delete m_windowSizer;
1815 }
1816
1817 m_windowSizer = sizer;
1818 if ( m_windowSizer )
1819 {
1820 m_windowSizer->SetContainingWindow((wxWindow *)this);
1821 }
1822
1823 SetAutoLayout(m_windowSizer != NULL);
1824}
1825
1826void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
1827{
1828 SetSizer( sizer, deleteOld );
1829 sizer->SetSizeHints( (wxWindow*) this );
1830}
1831
1832
1833void wxWindowBase::SetContainingSizer(wxSizer* sizer)
1834{
1835 // adding a window to a sizer twice is going to result in fatal and
1836 // hard to debug problems later because when deleting the second
1837 // associated wxSizerItem we're going to dereference a dangling
1838 // pointer; so try to detect this as early as possible
1839 wxASSERT_MSG( !sizer || m_containingSizer != sizer,
1840 _T("Adding a window to the same sizer twice?") );
1841
1842 m_containingSizer = sizer;
1843}
1844
1845#if wxUSE_CONSTRAINTS
1846
1847void wxWindowBase::SatisfyConstraints()
1848{
1849 wxLayoutConstraints *constr = GetConstraints();
1850 bool wasOk = constr && constr->AreSatisfied();
1851
1852 ResetConstraints(); // Mark all constraints as unevaluated
1853
1854 int noChanges = 1;
1855
1856 // if we're a top level panel (i.e. our parent is frame/dialog), our
1857 // own constraints will never be satisfied any more unless we do it
1858 // here
1859 if ( wasOk )
1860 {
1861 while ( noChanges > 0 )
1862 {
1863 LayoutPhase1(&noChanges);
1864 }
1865 }
1866
1867 LayoutPhase2(&noChanges);
1868}
1869
1870#endif // wxUSE_CONSTRAINTS
1871
1872bool wxWindowBase::Layout()
1873{
1874 // If there is a sizer, use it instead of the constraints
1875 if ( GetSizer() )
1876 {
1877 int w = 0, h = 0;
1878 GetVirtualSize(&w, &h);
1879 GetSizer()->SetDimension( 0, 0, w, h );
1880 }
1881#if wxUSE_CONSTRAINTS
1882 else
1883 {
1884 SatisfyConstraints(); // Find the right constraints values
1885 SetConstraintSizes(); // Recursively set the real window sizes
1886 }
1887#endif
1888
1889 return true;
1890}
1891
1892#if wxUSE_CONSTRAINTS
1893
1894// first phase of the constraints evaluation: set our own constraints
1895bool wxWindowBase::LayoutPhase1(int *noChanges)
1896{
1897 wxLayoutConstraints *constr = GetConstraints();
1898
1899 return !constr || constr->SatisfyConstraints(this, noChanges);
1900}
1901
1902// second phase: set the constraints for our children
1903bool wxWindowBase::LayoutPhase2(int *noChanges)
1904{
1905 *noChanges = 0;
1906
1907 // Layout children
1908 DoPhase(1);
1909
1910 // Layout grand children
1911 DoPhase(2);
1912
1913 return true;
1914}
1915
1916// Do a phase of evaluating child constraints
1917bool wxWindowBase::DoPhase(int phase)
1918{
1919 // the list containing the children for which the constraints are already
1920 // set correctly
1921 wxWindowList succeeded;
1922
1923 // the max number of iterations we loop before concluding that we can't set
1924 // the constraints
1925 static const int maxIterations = 500;
1926
1927 for ( int noIterations = 0; noIterations < maxIterations; noIterations++ )
1928 {
1929 int noChanges = 0;
1930
1931 // loop over all children setting their constraints
1932 for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1933 node;
1934 node = node->GetNext() )
1935 {
1936 wxWindow *child = node->GetData();
1937 if ( child->IsTopLevel() )
1938 {
1939 // top level children are not inside our client area
1940 continue;
1941 }
1942
1943 if ( !child->GetConstraints() || succeeded.Find(child) )
1944 {
1945 // this one is either already ok or nothing we can do about it
1946 continue;
1947 }
1948
1949 int tempNoChanges = 0;
1950 bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges)
1951 : child->LayoutPhase2(&tempNoChanges);
1952 noChanges += tempNoChanges;
1953
1954 if ( success )
1955 {
1956 succeeded.Append(child);
1957 }
1958 }
1959
1960 if ( !noChanges )
1961 {
1962 // constraints are set
1963 break;
1964 }
1965 }
1966
1967 return true;
1968}
1969
1970void wxWindowBase::ResetConstraints()
1971{
1972 wxLayoutConstraints *constr = GetConstraints();
1973 if ( constr )
1974 {
1975 constr->left.SetDone(false);
1976 constr->top.SetDone(false);
1977 constr->right.SetDone(false);
1978 constr->bottom.SetDone(false);
1979 constr->width.SetDone(false);
1980 constr->height.SetDone(false);
1981 constr->centreX.SetDone(false);
1982 constr->centreY.SetDone(false);
1983 }
1984
1985 wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1986 while (node)
1987 {
1988 wxWindow *win = node->GetData();
1989 if ( !win->IsTopLevel() )
1990 win->ResetConstraints();
1991 node = node->GetNext();
1992 }
1993}
1994
1995// Need to distinguish between setting the 'fake' size for windows and sizers,
1996// and setting the real values.
1997void wxWindowBase::SetConstraintSizes(bool recurse)
1998{
1999 wxLayoutConstraints *constr = GetConstraints();
2000 if ( constr && constr->AreSatisfied() )
2001 {
2002 int x = constr->left.GetValue();
2003 int y = constr->top.GetValue();
2004 int w = constr->width.GetValue();
2005 int h = constr->height.GetValue();
2006
2007 if ( (constr->width.GetRelationship() != wxAsIs ) ||
2008 (constr->height.GetRelationship() != wxAsIs) )
2009 {
2010 SetSize(x, y, w, h);
2011 }
2012 else
2013 {
2014 // If we don't want to resize this window, just move it...
2015 Move(x, y);
2016 }
2017 }
2018 else if ( constr )
2019 {
2020 wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
2021 GetClassInfo()->GetClassName(),
2022 GetName().c_str());
2023 }
2024
2025 if ( recurse )
2026 {
2027 wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2028 while (node)
2029 {
2030 wxWindow *win = node->GetData();
2031 if ( !win->IsTopLevel() && win->GetConstraints() )
2032 win->SetConstraintSizes();
2033 node = node->GetNext();
2034 }
2035 }
2036}
2037
2038// Only set the size/position of the constraint (if any)
2039void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
2040{
2041 wxLayoutConstraints *constr = GetConstraints();
2042 if ( constr )
2043 {
2044 if ( x != wxDefaultCoord )
2045 {
2046 constr->left.SetValue(x);
2047 constr->left.SetDone(true);
2048 }
2049 if ( y != wxDefaultCoord )
2050 {
2051 constr->top.SetValue(y);
2052 constr->top.SetDone(true);
2053 }
2054 if ( w != wxDefaultCoord )
2055 {
2056 constr->width.SetValue(w);
2057 constr->width.SetDone(true);
2058 }
2059 if ( h != wxDefaultCoord )
2060 {
2061 constr->height.SetValue(h);
2062 constr->height.SetDone(true);
2063 }
2064 }
2065}
2066
2067void wxWindowBase::MoveConstraint(int x, int y)
2068{
2069 wxLayoutConstraints *constr = GetConstraints();
2070 if ( constr )
2071 {
2072 if ( x != wxDefaultCoord )
2073 {
2074 constr->left.SetValue(x);
2075 constr->left.SetDone(true);
2076 }
2077 if ( y != wxDefaultCoord )
2078 {
2079 constr->top.SetValue(y);
2080 constr->top.SetDone(true);
2081 }
2082 }
2083}
2084
2085void wxWindowBase::GetSizeConstraint(int *w, int *h) const
2086{
2087 wxLayoutConstraints *constr = GetConstraints();
2088 if ( constr )
2089 {
2090 *w = constr->width.GetValue();
2091 *h = constr->height.GetValue();
2092 }
2093 else
2094 GetSize(w, h);
2095}
2096
2097void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const
2098{
2099 wxLayoutConstraints *constr = GetConstraints();
2100 if ( constr )
2101 {
2102 *w = constr->width.GetValue();
2103 *h = constr->height.GetValue();
2104 }
2105 else
2106 GetClientSize(w, h);
2107}
2108
2109void wxWindowBase::GetPositionConstraint(int *x, int *y) const
2110{
2111 wxLayoutConstraints *constr = GetConstraints();
2112 if ( constr )
2113 {
2114 *x = constr->left.GetValue();
2115 *y = constr->top.GetValue();
2116 }
2117 else
2118 GetPosition(x, y);
2119}
2120
2121#endif // wxUSE_CONSTRAINTS
2122
2123void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
2124{
2125 // don't do it for the dialogs/frames - they float independently of their
2126 // parent
2127 if ( !IsTopLevel() )
2128 {
2129 wxWindow *parent = GetParent();
2130 if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
2131 {
2132 wxPoint pt(parent->GetClientAreaOrigin());
2133 x += pt.x;
2134 y += pt.y;
2135 }
2136 }
2137}
2138
2139// ----------------------------------------------------------------------------
2140// Update UI processing
2141// ----------------------------------------------------------------------------
2142
2143void wxWindowBase::UpdateWindowUI(long flags)
2144{
2145 wxUpdateUIEvent event(GetId());
2146 event.SetEventObject(this);
2147
2148 if ( GetEventHandler()->ProcessEvent(event) )
2149 {
2150 DoUpdateWindowUI(event);
2151 }
2152
2153 if (flags & wxUPDATE_UI_RECURSE)
2154 {
2155 wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2156 while (node)
2157 {
2158 wxWindow* child = (wxWindow*) node->GetData();
2159 child->UpdateWindowUI(flags);
2160 node = node->GetNext();
2161 }
2162 }
2163}
2164
2165// do the window-specific processing after processing the update event
2166void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
2167{
2168 if ( event.GetSetEnabled() )
2169 Enable(event.GetEnabled());
2170
2171 if ( event.GetSetShown() )
2172 Show(event.GetShown());
2173}
2174
2175// ----------------------------------------------------------------------------
2176// dialog units translations
2177// ----------------------------------------------------------------------------
2178
2179wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
2180{
2181 int charWidth = GetCharWidth();
2182 int charHeight = GetCharHeight();
2183 wxPoint pt2 = wxDefaultPosition;
2184 if (pt.x != wxDefaultCoord)
2185 pt2.x = (int) ((pt.x * 4) / charWidth);
2186 if (pt.y != wxDefaultCoord)
2187 pt2.y = (int) ((pt.y * 8) / charHeight);
2188
2189 return pt2;
2190}
2191
2192wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
2193{
2194 int charWidth = GetCharWidth();
2195 int charHeight = GetCharHeight();
2196 wxPoint pt2 = wxDefaultPosition;
2197 if (pt.x != wxDefaultCoord)
2198 pt2.x = (int) ((pt.x * charWidth) / 4);
2199 if (pt.y != wxDefaultCoord)
2200 pt2.y = (int) ((pt.y * charHeight) / 8);
2201
2202 return pt2;
2203}
2204
2205// ----------------------------------------------------------------------------
2206// event handlers
2207// ----------------------------------------------------------------------------
2208
2209// propagate the colour change event to the subwindows
2210void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
2211{
2212 wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2213 while ( node )
2214 {
2215 // Only propagate to non-top-level windows
2216 wxWindow *win = node->GetData();
2217 if ( !win->IsTopLevel() )
2218 {
2219 wxSysColourChangedEvent event2;
2220 event.SetEventObject(win);
2221 win->GetEventHandler()->ProcessEvent(event2);
2222 }
2223
2224 node = node->GetNext();
2225 }
2226
2227 Refresh();
2228}
2229
2230// the default action is to populate dialog with data when it's created,
2231// and nudge the UI into displaying itself correctly in case
2232// we've turned the wxUpdateUIEvents frequency down low.
2233void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
2234{
2235 TransferDataToWindow();
2236
2237 // Update the UI at this point
2238 UpdateWindowUI(wxUPDATE_UI_RECURSE);
2239}
2240
2241// methods for drawing the sizers in a visible way
2242#ifdef __WXDEBUG__
2243
2244static void DrawSizers(wxWindowBase *win);
2245
2246static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill = false)
2247{
2248 wxClientDC dc((wxWindow *)win);
2249 dc.SetPen(*wxRED_PEN);
2250 dc.SetBrush(fill ? wxBrush(*wxRED, wxCROSSDIAG_HATCH): *wxTRANSPARENT_BRUSH);
2251 dc.DrawRectangle(rect.Deflate(1, 1));
2252}
2253
2254static void DrawSizer(wxWindowBase *win, wxSizer *sizer)
2255{
2256 const wxSizerItemList& items = sizer->GetChildren();
2257 for ( wxSizerItemList::const_iterator i = items.begin(),
2258 end = items.end();
2259 i != end;
2260 ++i )
2261 {
2262 wxSizerItem *item = *i;
2263 if ( item->IsSizer() )
2264 {
2265 DrawBorder(win, item->GetRect().Deflate(2));
2266 DrawSizer(win, item->GetSizer());
2267 }
2268 else if ( item->IsSpacer() )
2269 {
2270 DrawBorder(win, item->GetRect().Deflate(2), true);
2271 }
2272 else if ( item->IsWindow() )
2273 {
2274 DrawSizers(item->GetWindow());
2275 }
2276 }
2277}
2278
2279static void DrawSizers(wxWindowBase *win)
2280{
2281 wxSizer *sizer = win->GetSizer();
2282 if ( sizer )
2283 {
2284 DrawBorder(win, win->GetClientSize());
2285 DrawSizer(win, sizer);
2286 }
2287 else // no sizer, still recurse into the children
2288 {
2289 const wxWindowList& children = win->GetChildren();
2290 for ( wxWindowList::const_iterator i = children.begin(),
2291 end = children.end();
2292 i != end;
2293 ++i )
2294 {
2295 DrawSizers(*i);
2296 }
2297 }
2298}
2299
2300#endif // __WXDEBUG__
2301
2302// process special middle clicks
2303void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
2304{
2305 if ( event.ControlDown() && event.AltDown() )
2306 {
2307#ifdef __WXDEBUG__
2308 // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds
2309 if ( event.ShiftDown() )
2310 {
2311 DrawSizers(this);
2312 return;
2313 }
2314#endif // __WXDEBUG__
2315
2316#if wxUSE_MSGDLG
2317 // don't translate these strings, they're for diagnostics purposes only
2318 wxString msg;
2319 msg.Printf(_T("wxWidgets Library (%s port)\n")
2320 _T("Version %d.%d.%d%s%s, compiled at %s %s\n")
2321 _T("Runtime version of toolkit used is %d.%d.%s\n")
2322 _T("Copyright (c) 1995-2007 wxWidgets team"),
2323 wxPlatformInfo::Get().GetPortIdName().c_str(),
2324 wxMAJOR_VERSION,
2325 wxMINOR_VERSION,
2326 wxRELEASE_NUMBER,
2327#if wxUSE_UNICODE
2328 L" (Unicode)",
2329#else
2330 wxEmptyString,
2331#endif
2332#ifdef __WXDEBUG__
2333 _T(" Debug build"),
2334#else
2335 wxEmptyString,
2336#endif
2337 __TDATE__,
2338 __TTIME__,
2339 wxPlatformInfo::Get().GetToolkitMajorVersion(),
2340 wxPlatformInfo::Get().GetToolkitMinorVersion(),
2341#ifdef __WXGTK__
2342 wxString::Format(_T("\nThe compile-time GTK+ version is %d.%d.%d."), GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION).c_str()
2343#else
2344 wxEmptyString
2345#endif
2346 );
2347
2348 wxMessageBox(msg, _T("wxWidgets information"),
2349 wxICON_INFORMATION | wxOK,
2350 (wxWindow *)this);
2351#endif // wxUSE_MSGDLG
2352 }
2353 else
2354 {
2355 event.Skip();
2356 }
2357}
2358
2359// ----------------------------------------------------------------------------
2360// accessibility
2361// ----------------------------------------------------------------------------
2362
2363#if wxUSE_ACCESSIBILITY
2364void wxWindowBase::SetAccessible(wxAccessible* accessible)
2365{
2366 if (m_accessible && (accessible != m_accessible))
2367 delete m_accessible;
2368 m_accessible = accessible;
2369 if (m_accessible)
2370 m_accessible->SetWindow((wxWindow*) this);
2371}
2372
2373// Returns the accessible object, creating if necessary.
2374wxAccessible* wxWindowBase::GetOrCreateAccessible()
2375{
2376 if (!m_accessible)
2377 m_accessible = CreateAccessible();
2378 return m_accessible;
2379}
2380
2381// Override to create a specific accessible object.
2382wxAccessible* wxWindowBase::CreateAccessible()
2383{
2384 return new wxWindowAccessible((wxWindow*) this);
2385}
2386
2387#endif
2388
2389// ----------------------------------------------------------------------------
2390// list classes implementation
2391// ----------------------------------------------------------------------------
2392
2393#if wxUSE_STL
2394
2395#include "wx/listimpl.cpp"
2396WX_DEFINE_LIST(wxWindowList)
2397
2398#else // !wxUSE_STL
2399
2400void wxWindowListNode::DeleteData()
2401{
2402 delete (wxWindow *)GetData();
2403}
2404
2405#endif // wxUSE_STL/!wxUSE_STL
2406
2407// ----------------------------------------------------------------------------
2408// borders
2409// ----------------------------------------------------------------------------
2410
2411wxBorder wxWindowBase::GetBorder(long flags) const
2412{
2413 wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
2414 if ( border == wxBORDER_DEFAULT )
2415 {
2416 border = GetDefaultBorder();
2417 }
2418 else if ( border == wxBORDER_THEME )
2419 {
2420 border = GetDefaultBorderForControl();
2421 }
2422
2423 return border;
2424}
2425
2426wxBorder wxWindowBase::GetDefaultBorder() const
2427{
2428 return wxBORDER_NONE;
2429}
2430
2431// ----------------------------------------------------------------------------
2432// hit testing
2433// ----------------------------------------------------------------------------
2434
2435wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const
2436{
2437 // here we just check if the point is inside the window or not
2438
2439 // check the top and left border first
2440 bool outside = x < 0 || y < 0;
2441 if ( !outside )
2442 {
2443 // check the right and bottom borders too
2444 wxSize size = GetSize();
2445 outside = x >= size.x || y >= size.y;
2446 }
2447
2448 return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
2449}
2450
2451// ----------------------------------------------------------------------------
2452// mouse capture
2453// ----------------------------------------------------------------------------
2454
2455struct WXDLLEXPORT wxWindowNext
2456{
2457 wxWindow *win;
2458 wxWindowNext *next;
2459} *wxWindowBase::ms_winCaptureNext = NULL;
2460wxWindow *wxWindowBase::ms_winCaptureCurrent = NULL;
2461bool wxWindowBase::ms_winCaptureChanging = false;
2462
2463void wxWindowBase::CaptureMouse()
2464{
2465 wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), wx_static_cast(void*, this));
2466
2467 wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive CaptureMouse call?") );
2468
2469 ms_winCaptureChanging = true;
2470
2471 wxWindow *winOld = GetCapture();
2472 if ( winOld )
2473 {
2474 ((wxWindowBase*) winOld)->DoReleaseMouse();
2475
2476 // save it on stack
2477 wxWindowNext *item = new wxWindowNext;
2478 item->win = winOld;
2479 item->next = ms_winCaptureNext;
2480 ms_winCaptureNext = item;
2481 }
2482 //else: no mouse capture to save
2483
2484 DoCaptureMouse();
2485 ms_winCaptureCurrent = (wxWindow*)this;
2486
2487 ms_winCaptureChanging = false;
2488}
2489
2490void wxWindowBase::ReleaseMouse()
2491{
2492 wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), wx_static_cast(void*, this));
2493
2494 wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive ReleaseMouse call?") );
2495
2496 wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
2497
2498 ms_winCaptureChanging = true;
2499
2500 DoReleaseMouse();
2501 ms_winCaptureCurrent = NULL;
2502
2503 if ( ms_winCaptureNext )
2504 {
2505 ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
2506 ms_winCaptureCurrent = ms_winCaptureNext->win;
2507
2508 wxWindowNext *item = ms_winCaptureNext;
2509 ms_winCaptureNext = item->next;
2510 delete item;
2511 }
2512 //else: stack is empty, no previous capture
2513
2514 ms_winCaptureChanging = false;
2515
2516 wxLogTrace(_T("mousecapture"),
2517 (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
2518 wx_static_cast(void*, GetCapture()));
2519}
2520
2521static void DoNotifyWindowAboutCaptureLost(wxWindow *win)
2522{
2523 wxMouseCaptureLostEvent event(win->GetId());
2524 event.SetEventObject(win);
2525 if ( !win->GetEventHandler()->ProcessEvent(event) )
2526 {
2527 // windows must handle this event, otherwise the app wouldn't behave
2528 // correctly if it loses capture unexpectedly; see the discussion here:
2529 // http://sourceforge.net/tracker/index.php?func=detail&aid=1153662&group_id=9863&atid=109863
2530 // http://article.gmane.org/gmane.comp.lib.wxwidgets.devel/82376
2531 wxFAIL_MSG( _T("window that captured the mouse didn't process wxEVT_MOUSE_CAPTURE_LOST") );
2532 }
2533}
2534
2535/* static */
2536void wxWindowBase::NotifyCaptureLost()
2537{
2538 // don't do anything if capture lost was expected, i.e. resulted from
2539 // a wx call to ReleaseMouse or CaptureMouse:
2540 if ( ms_winCaptureChanging )
2541 return;
2542
2543 // if the capture was lost unexpectedly, notify every window that has
2544 // capture (on stack or current) about it and clear the stack:
2545
2546 if ( ms_winCaptureCurrent )
2547 {
2548 DoNotifyWindowAboutCaptureLost(ms_winCaptureCurrent);
2549 ms_winCaptureCurrent = NULL;
2550 }
2551
2552 while ( ms_winCaptureNext )
2553 {
2554 wxWindowNext *item = ms_winCaptureNext;
2555 ms_winCaptureNext = item->next;
2556
2557 DoNotifyWindowAboutCaptureLost(item->win);
2558
2559 delete item;
2560 }
2561}
2562
2563#if wxUSE_HOTKEY
2564
2565bool
2566wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId),
2567 int WXUNUSED(modifiers),
2568 int WXUNUSED(keycode))
2569{
2570 // not implemented
2571 return false;
2572}
2573
2574bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
2575{
2576 // not implemented
2577 return false;
2578}
2579
2580#endif // wxUSE_HOTKEY
2581
2582// ----------------------------------------------------------------------------
2583// event processing
2584// ----------------------------------------------------------------------------
2585
2586bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
2587{
2588#if wxUSE_VALIDATORS
2589 // Can only use the validator of the window which
2590 // is receiving the event
2591 if ( event.GetEventObject() == this )
2592 {
2593 wxValidator *validator = GetValidator();
2594 if ( validator && validator->ProcessEvent(event) )
2595 {
2596 return true;
2597 }
2598 }
2599#endif // wxUSE_VALIDATORS
2600
2601 return false;
2602}
2603
2604bool wxWindowBase::TryParent(wxEvent& event)
2605{
2606 // carry on up the parent-child hierarchy if the propagation count hasn't
2607 // reached zero yet
2608 if ( event.ShouldPropagate() )
2609 {
2610 // honour the requests to stop propagation at this window: this is
2611 // used by the dialogs, for example, to prevent processing the events
2612 // from the dialog controls in the parent frame which rarely, if ever,
2613 // makes sense
2614 if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
2615 {
2616 wxWindow *parent = GetParent();
2617 if ( parent && !parent->IsBeingDeleted() )
2618 {
2619 wxPropagateOnce propagateOnce(event);
2620
2621 return parent->GetEventHandler()->ProcessEvent(event);
2622 }
2623 }
2624 }
2625
2626 return wxEvtHandler::TryParent(event);
2627}
2628
2629// ----------------------------------------------------------------------------
2630// keyboard navigation
2631// ----------------------------------------------------------------------------
2632
2633// Navigates in the specified direction inside this window
2634bool wxWindowBase::DoNavigateIn(int flags)
2635{
2636#ifdef wxHAS_NATIVE_TAB_TRAVERSAL
2637 // native code doesn't process our wxNavigationKeyEvents anyhow
2638 return false;
2639#else // !wxHAS_NATIVE_TAB_TRAVERSAL
2640 wxNavigationKeyEvent eventNav;
2641 eventNav.SetFlags(flags);
2642 eventNav.SetEventObject(FindFocus());
2643 return GetEventHandler()->ProcessEvent(eventNav);
2644#endif // wxHAS_NATIVE_TAB_TRAVERSAL/!wxHAS_NATIVE_TAB_TRAVERSAL
2645}
2646
2647void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
2648{
2649 // check that we're not a top level window
2650 wxCHECK_RET( GetParent(),
2651 _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
2652
2653 // detect the special case when we have nothing to do anyhow and when the
2654 // code below wouldn't work
2655 if ( win == this )
2656 return;
2657
2658 // find the target window in the siblings list
2659 wxWindowList& siblings = GetParent()->GetChildren();
2660 wxWindowList::compatibility_iterator i = siblings.Find(win);
2661 wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") );
2662
2663 // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we
2664 // can't just move the node around
2665 wxWindow *self = (wxWindow *)this;
2666 siblings.DeleteObject(self);
2667 if ( move == MoveAfter )
2668 {
2669 i = i->GetNext();
2670 }
2671
2672 if ( i )
2673 {
2674 siblings.Insert(i, self);
2675 }
2676 else // MoveAfter and win was the last sibling
2677 {
2678 siblings.Append(self);
2679 }
2680}
2681
2682// ----------------------------------------------------------------------------
2683// focus handling
2684// ----------------------------------------------------------------------------
2685
2686/*static*/ wxWindow* wxWindowBase::FindFocus()
2687{
2688 wxWindowBase *win = DoFindFocus();
2689 return win ? win->GetMainWindowOfCompositeControl() : NULL;
2690}
2691
2692// ----------------------------------------------------------------------------
2693// global functions
2694// ----------------------------------------------------------------------------
2695
2696wxWindow* wxGetTopLevelParent(wxWindow *win)
2697{
2698 while ( win && !win->IsTopLevel() )
2699 win = win->GetParent();
2700
2701 return win;
2702}
2703
2704#if wxUSE_ACCESSIBILITY
2705// ----------------------------------------------------------------------------
2706// accessible object for windows
2707// ----------------------------------------------------------------------------
2708
2709// Can return either a child object, or an integer
2710// representing the child element, starting from 1.
2711wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject))
2712{
2713 wxASSERT( GetWindow() != NULL );
2714 if (!GetWindow())
2715 return wxACC_FAIL;
2716
2717 return wxACC_NOT_IMPLEMENTED;
2718}
2719
2720// Returns the rectangle for this object (id = 0) or a child element (id > 0).
2721wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
2722{
2723 wxASSERT( GetWindow() != NULL );
2724 if (!GetWindow())
2725 return wxACC_FAIL;
2726
2727 wxWindow* win = NULL;
2728 if (elementId == 0)
2729 {
2730 win = GetWindow();
2731 }
2732 else
2733 {
2734 if (elementId <= (int) GetWindow()->GetChildren().GetCount())
2735 {
2736 win = GetWindow()->GetChildren().Item(elementId-1)->GetData();
2737 }
2738 else
2739 return wxACC_FAIL;
2740 }
2741 if (win)
2742 {
2743 rect = win->GetRect();
2744 if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow)))
2745 rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition()));
2746 return wxACC_OK;
2747 }
2748
2749 return wxACC_NOT_IMPLEMENTED;
2750}
2751
2752// Navigates from fromId to toId/toObject.
2753wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
2754 int* WXUNUSED(toId), wxAccessible** toObject)
2755{
2756 wxASSERT( GetWindow() != NULL );
2757 if (!GetWindow())
2758 return wxACC_FAIL;
2759
2760 switch (navDir)
2761 {
2762 case wxNAVDIR_FIRSTCHILD:
2763 {
2764 if (GetWindow()->GetChildren().GetCount() == 0)
2765 return wxACC_FALSE;
2766 wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData();
2767 *toObject = childWindow->GetOrCreateAccessible();
2768
2769 return wxACC_OK;
2770 }
2771 case wxNAVDIR_LASTCHILD:
2772 {
2773 if (GetWindow()->GetChildren().GetCount() == 0)
2774 return wxACC_FALSE;
2775 wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData();
2776 *toObject = childWindow->GetOrCreateAccessible();
2777
2778 return wxACC_OK;
2779 }
2780 case wxNAVDIR_RIGHT:
2781 case wxNAVDIR_DOWN:
2782 case wxNAVDIR_NEXT:
2783 {
2784 wxWindowList::compatibility_iterator node =
2785 wxWindowList::compatibility_iterator();
2786 if (fromId == 0)
2787 {
2788 // Can't navigate to sibling of this window
2789 // if we're a top-level window.
2790 if (!GetWindow()->GetParent())
2791 return wxACC_NOT_IMPLEMENTED;
2792
2793 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2794 }
2795 else
2796 {
2797 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2798 node = GetWindow()->GetChildren().Item(fromId-1);
2799 }
2800
2801 if (node && node->GetNext())
2802 {
2803 wxWindow* nextWindow = node->GetNext()->GetData();
2804 *toObject = nextWindow->GetOrCreateAccessible();
2805 return wxACC_OK;
2806 }
2807 else
2808 return wxACC_FALSE;
2809 }
2810 case wxNAVDIR_LEFT:
2811 case wxNAVDIR_UP:
2812 case wxNAVDIR_PREVIOUS:
2813 {
2814 wxWindowList::compatibility_iterator node =
2815 wxWindowList::compatibility_iterator();
2816 if (fromId == 0)
2817 {
2818 // Can't navigate to sibling of this window
2819 // if we're a top-level window.
2820 if (!GetWindow()->GetParent())
2821 return wxACC_NOT_IMPLEMENTED;
2822
2823 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2824 }
2825 else
2826 {
2827 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2828 node = GetWindow()->GetChildren().Item(fromId-1);
2829 }
2830
2831 if (node && node->GetPrevious())
2832 {
2833 wxWindow* previousWindow = node->GetPrevious()->GetData();
2834 *toObject = previousWindow->GetOrCreateAccessible();
2835 return wxACC_OK;
2836 }
2837 else
2838 return wxACC_FALSE;
2839 }
2840 }
2841
2842 return wxACC_NOT_IMPLEMENTED;
2843}
2844
2845// Gets the name of the specified object.
2846wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
2847{
2848 wxASSERT( GetWindow() != NULL );
2849 if (!GetWindow())
2850 return wxACC_FAIL;
2851
2852 wxString title;
2853
2854 // If a child, leave wxWidgets to call the function on the actual
2855 // child object.
2856 if (childId > 0)
2857 return wxACC_NOT_IMPLEMENTED;
2858
2859 // This will eventually be replaced by specialised
2860 // accessible classes, one for each kind of wxWidgets
2861 // control or window.
2862#if wxUSE_BUTTON
2863 if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
2864 title = ((wxButton*) GetWindow())->GetLabel();
2865 else
2866#endif
2867 title = GetWindow()->GetName();
2868
2869 if (!title.empty())
2870 {
2871 *name = title;
2872 return wxACC_OK;
2873 }
2874 else
2875 return wxACC_NOT_IMPLEMENTED;
2876}
2877
2878// Gets the number of children.
2879wxAccStatus wxWindowAccessible::GetChildCount(int* childId)
2880{
2881 wxASSERT( GetWindow() != NULL );
2882 if (!GetWindow())
2883 return wxACC_FAIL;
2884
2885 *childId = (int) GetWindow()->GetChildren().GetCount();
2886 return wxACC_OK;
2887}
2888
2889// Gets the specified child (starting from 1).
2890// If *child is NULL and return value is wxACC_OK,
2891// this means that the child is a simple element and
2892// not an accessible object.
2893wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child)
2894{
2895 wxASSERT( GetWindow() != NULL );
2896 if (!GetWindow())
2897 return wxACC_FAIL;
2898
2899 if (childId == 0)
2900 {
2901 *child = this;
2902 return wxACC_OK;
2903 }
2904
2905 if (childId > (int) GetWindow()->GetChildren().GetCount())
2906 return wxACC_FAIL;
2907
2908 wxWindow* childWindow = GetWindow()->GetChildren().Item(childId-1)->GetData();
2909 *child = childWindow->GetOrCreateAccessible();
2910 if (*child)
2911 return wxACC_OK;
2912 else
2913 return wxACC_FAIL;
2914}
2915
2916// Gets the parent, or NULL.
2917wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
2918{
2919 wxASSERT( GetWindow() != NULL );
2920 if (!GetWindow())
2921 return wxACC_FAIL;
2922
2923 wxWindow* parentWindow = GetWindow()->GetParent();
2924 if (!parentWindow)
2925 {
2926 *parent = NULL;
2927 return wxACC_OK;
2928 }
2929 else
2930 {
2931 *parent = parentWindow->GetOrCreateAccessible();
2932 if (*parent)
2933 return wxACC_OK;
2934 else
2935 return wxACC_FAIL;
2936 }
2937}
2938
2939// Performs the default action. childId is 0 (the action for this object)
2940// or > 0 (the action for a child).
2941// Return wxACC_NOT_SUPPORTED if there is no default action for this
2942// window (e.g. an edit control).
2943wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId))
2944{
2945 wxASSERT( GetWindow() != NULL );
2946 if (!GetWindow())
2947 return wxACC_FAIL;
2948
2949 return wxACC_NOT_IMPLEMENTED;
2950}
2951
2952// Gets the default action for this object (0) or > 0 (the action for a child).
2953// Return wxACC_OK even if there is no action. actionName is the action, or the empty
2954// string if there is no action.
2955// The retrieved string describes the action that is performed on an object,
2956// not what the object does as a result. For example, a toolbar button that prints
2957// a document has a default action of "Press" rather than "Prints the current document."
2958wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName))
2959{
2960 wxASSERT( GetWindow() != NULL );
2961 if (!GetWindow())
2962 return wxACC_FAIL;
2963
2964 return wxACC_NOT_IMPLEMENTED;
2965}
2966
2967// Returns the description for this object or a child.
2968wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description)
2969{
2970 wxASSERT( GetWindow() != NULL );
2971 if (!GetWindow())
2972 return wxACC_FAIL;
2973
2974 wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
2975 if (!ht.empty())
2976 {
2977 *description = ht;
2978 return wxACC_OK;
2979 }
2980 return wxACC_NOT_IMPLEMENTED;
2981}
2982
2983// Returns help text for this object or a child, similar to tooltip text.
2984wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText)
2985{
2986 wxASSERT( GetWindow() != NULL );
2987 if (!GetWindow())
2988 return wxACC_FAIL;
2989
2990 wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
2991 if (!ht.empty())
2992 {
2993 *helpText = ht;
2994 return wxACC_OK;
2995 }
2996 return wxACC_NOT_IMPLEMENTED;
2997}
2998
2999// Returns the keyboard shortcut for this object or child.
3000// Return e.g. ALT+K
3001wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut))
3002{
3003 wxASSERT( GetWindow() != NULL );
3004 if (!GetWindow())
3005 return wxACC_FAIL;
3006
3007 return wxACC_NOT_IMPLEMENTED;
3008}
3009
3010// Returns a role constant.
3011wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
3012{
3013 wxASSERT( GetWindow() != NULL );
3014 if (!GetWindow())
3015 return wxACC_FAIL;
3016
3017 // If a child, leave wxWidgets to call the function on the actual
3018 // child object.
3019 if (childId > 0)
3020 return wxACC_NOT_IMPLEMENTED;
3021
3022 if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
3023 return wxACC_NOT_IMPLEMENTED;
3024#if wxUSE_STATUSBAR
3025 if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
3026 return wxACC_NOT_IMPLEMENTED;
3027#endif
3028#if wxUSE_TOOLBAR
3029 if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
3030 return wxACC_NOT_IMPLEMENTED;
3031#endif
3032
3033 //*role = wxROLE_SYSTEM_CLIENT;
3034 *role = wxROLE_SYSTEM_CLIENT;
3035 return wxACC_OK;
3036
3037 #if 0
3038 return wxACC_NOT_IMPLEMENTED;
3039 #endif
3040}
3041
3042// Returns a state constant.
3043wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
3044{
3045 wxASSERT( GetWindow() != NULL );
3046 if (!GetWindow())
3047 return wxACC_FAIL;
3048
3049 // If a child, leave wxWidgets to call the function on the actual
3050 // child object.
3051 if (childId > 0)
3052 return wxACC_NOT_IMPLEMENTED;
3053
3054 if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
3055 return wxACC_NOT_IMPLEMENTED;
3056
3057#if wxUSE_STATUSBAR
3058 if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
3059 return wxACC_NOT_IMPLEMENTED;
3060#endif
3061#if wxUSE_TOOLBAR
3062 if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
3063 return wxACC_NOT_IMPLEMENTED;
3064#endif
3065
3066 *state = 0;
3067 return wxACC_OK;
3068
3069 #if 0
3070 return wxACC_NOT_IMPLEMENTED;
3071 #endif
3072}
3073
3074// Returns a localized string representing the value for the object
3075// or child.
3076wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
3077{
3078 wxASSERT( GetWindow() != NULL );
3079 if (!GetWindow())
3080 return wxACC_FAIL;
3081
3082 return wxACC_NOT_IMPLEMENTED;
3083}
3084
3085// Selects the object or child.
3086wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags))
3087{
3088 wxASSERT( GetWindow() != NULL );
3089 if (!GetWindow())
3090 return wxACC_FAIL;
3091
3092 return wxACC_NOT_IMPLEMENTED;
3093}
3094
3095// Gets the window with the keyboard focus.
3096// If childId is 0 and child is NULL, no object in
3097// this subhierarchy has the focus.
3098// If this object has the focus, child should be 'this'.
3099wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
3100{
3101 wxASSERT( GetWindow() != NULL );
3102 if (!GetWindow())
3103 return wxACC_FAIL;
3104
3105 return wxACC_NOT_IMPLEMENTED;
3106}
3107
3108#if wxUSE_VARIANT
3109// Gets a variant representing the selected children
3110// of this object.
3111// Acceptable values:
3112// - a null variant (IsNull() returns true)
3113// - a list variant (GetType() == wxT("list")
3114// - an integer representing the selected child element,
3115// or 0 if this object is selected (GetType() == wxT("long")
3116// - a "void*" pointer to a wxAccessible child object
3117wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
3118{
3119 wxASSERT( GetWindow() != NULL );
3120 if (!GetWindow())
3121 return wxACC_FAIL;
3122
3123 return wxACC_NOT_IMPLEMENTED;
3124}
3125#endif // wxUSE_VARIANT
3126
3127#endif // wxUSE_ACCESSIBILITY
3128
3129// ----------------------------------------------------------------------------
3130// RTL support
3131// ----------------------------------------------------------------------------
3132
3133wxCoord
3134wxWindowBase::AdjustForLayoutDirection(wxCoord x,
3135 wxCoord width,
3136 wxCoord widthTotal) const
3137{
3138 if ( GetLayoutDirection() == wxLayout_RightToLeft )
3139 {
3140 x = widthTotal - x - width;
3141 }
3142
3143 return x;
3144}
3145
wxWidgets (Impactor)