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