Spelling fixes from Andreas Mohr (patch #1360064)
[wxWidgets.git] / include / wx / window.h
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: wx/window.h
3 // Purpose: wxWindowBase class - the interface of wxWindow
4 // Author: Vadim Zeitlin
5 // Modified by: Ron Lee
6 // Created: 01/02/97
7 // RCS-ID: $Id$
8 // Copyright: (c) Vadim Zeitlin
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_WINDOW_H_BASE_
13 #define _WX_WINDOW_H_BASE_
14
15 // ----------------------------------------------------------------------------
16 // headers which we must include here
17 // ----------------------------------------------------------------------------
18
19 #include "wx/event.h" // the base class
20
21 #include "wx/list.h" // defines wxWindowList
22
23 #include "wx/cursor.h" // we have member variables of these classes
24 #include "wx/font.h" // so we can't do without them
25 #include "wx/colour.h"
26 #include "wx/region.h"
27 #include "wx/utils.h"
28
29 #include "wx/validate.h" // for wxDefaultValidator (always include it)
30
31 #if wxUSE_PALETTE
32 #include "wx/palette.h"
33 #endif // wxUSE_PALETTE
34
35 #if wxUSE_ACCEL
36 #include "wx/accel.h"
37 #endif // wxUSE_ACCEL
38
39 #if wxUSE_ACCESSIBILITY
40 #include "wx/access.h"
41 #endif
42
43 // when building wxUniv/Foo we don't want the code for native menu use to be
44 // compiled in - it should only be used when building real wxFoo
45 #ifdef __WXUNIVERSAL__
46 #define wxUSE_MENUS_NATIVE 0
47 #else // !__WXUNIVERSAL__
48 #define wxUSE_MENUS_NATIVE wxUSE_MENUS
49 #endif // __WXUNIVERSAL__/!__WXUNIVERSAL__
50
51 // ----------------------------------------------------------------------------
52 // forward declarations
53 // ----------------------------------------------------------------------------
54
55 class WXDLLEXPORT wxCaret;
56 class WXDLLEXPORT wxControl;
57 class WXDLLEXPORT wxCursor;
58 class WXDLLEXPORT wxDC;
59 class WXDLLEXPORT wxDropTarget;
60 class WXDLLEXPORT wxItemResource;
61 class WXDLLEXPORT wxLayoutConstraints;
62 class WXDLLEXPORT wxResourceTable;
63 class WXDLLEXPORT wxSizer;
64 class WXDLLEXPORT wxToolTip;
65 class WXDLLEXPORT wxWindowBase;
66 class WXDLLEXPORT wxWindow;
67
68 #if wxUSE_ACCESSIBILITY
69 class WXDLLEXPORT wxAccessible;
70 #endif
71
72 // ----------------------------------------------------------------------------
73 // helper stuff used by wxWindow
74 // ----------------------------------------------------------------------------
75
76 // struct containing all the visual attributes of a control
77 struct WXDLLEXPORT wxVisualAttributes
78 {
79 // the font used for control label/text inside it
80 wxFont font;
81
82 // the foreground colour
83 wxColour colFg;
84
85 // the background colour, may be wxNullColour if the controls background
86 // colour is not solid
87 wxColour colBg;
88 };
89
90 // different window variants, on platforms like eg mac uses different
91 // rendering sizes
92 enum wxWindowVariant
93 {
94 wxWINDOW_VARIANT_NORMAL, // Normal size
95 wxWINDOW_VARIANT_SMALL, // Smaller size (about 25 % smaller than normal)
96 wxWINDOW_VARIANT_MINI, // Mini size (about 33 % smaller than normal)
97 wxWINDOW_VARIANT_LARGE, // Large size (about 25 % larger than normal)
98 wxWINDOW_VARIANT_MAX
99 };
100
101 #if wxUSE_SYSTEM_OPTIONS
102 #define wxWINDOW_DEFAULT_VARIANT wxT("window-default-variant")
103 #endif
104
105 // ----------------------------------------------------------------------------
106 // (pseudo)template list classes
107 // ----------------------------------------------------------------------------
108
109 WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLEXPORT);
110
111 // ----------------------------------------------------------------------------
112 // global variables
113 // ----------------------------------------------------------------------------
114
115 extern WXDLLEXPORT_DATA(wxWindowList) wxTopLevelWindows;
116
117 // ----------------------------------------------------------------------------
118 // wxWindowBase is the base class for all GUI controls/widgets, this is the public
119 // interface of this class.
120 //
121 // Event handler: windows have themselves as their event handlers by default,
122 // but their event handlers could be set to another object entirely. This
123 // separation can reduce the amount of derivation required, and allow
124 // alteration of a window's functionality (e.g. by a resource editor that
125 // temporarily switches event handlers).
126 // ----------------------------------------------------------------------------
127
128 class WXDLLEXPORT wxWindowBase : public wxEvtHandler
129 {
130 public:
131 // creating the window
132 // -------------------
133
134 // default ctor, initializes everything which can be initialized before
135 // Create()
136 wxWindowBase() ;
137
138 // pseudo ctor (can't be virtual, called from ctor)
139 bool CreateBase(wxWindowBase *parent,
140 wxWindowID winid,
141 const wxPoint& pos = wxDefaultPosition,
142 const wxSize& size = wxDefaultSize,
143 long style = 0,
144 const wxValidator& validator = wxDefaultValidator,
145 const wxString& name = wxPanelNameStr);
146
147 virtual ~wxWindowBase();
148
149 // deleting the window
150 // -------------------
151
152 // ask the window to close itself, return true if the event handler
153 // honoured our request
154 bool Close( bool force = false );
155
156 // the following functions delete the C++ objects (the window itself
157 // or its children) as well as the GUI windows and normally should
158 // never be used directly
159
160 // delete window unconditionally (dangerous!), returns true if ok
161 virtual bool Destroy();
162 // delete all children of this window, returns true if ok
163 bool DestroyChildren();
164
165 // is the window being deleted?
166 bool IsBeingDeleted() const { return m_isBeingDeleted; }
167
168 // window attributes
169 // -----------------
170
171 // label is just the same as the title (but for, e.g., buttons it
172 // makes more sense to speak about labels), title access
173 // is available from wxTLW classes only (frames, dialogs)
174 virtual void SetLabel(const wxString& label) = 0;
175 virtual wxString GetLabel() const = 0;
176
177 // the window name is used for ressource setting in X, it is not the
178 // same as the window title/label
179 virtual void SetName( const wxString &name ) { m_windowName = name; }
180 virtual wxString GetName() const { return m_windowName; }
181
182 // sets the window variant, calls internally DoSetVariant if variant has changed
183 void SetWindowVariant( wxWindowVariant variant ) ;
184 wxWindowVariant GetWindowVariant() const { return m_windowVariant ; }
185
186
187 // window id uniquely identifies the window among its siblings unless
188 // it is wxID_ANY which means "don't care"
189 void SetId( wxWindowID winid ) { m_windowId = winid; }
190 wxWindowID GetId() const { return m_windowId; }
191
192 // generate a control id for the controls which were not given one by
193 // user
194 static int NewControlId() { return --ms_lastControlId; }
195 // get the id of the control following the one with the given
196 // (autogenerated) id
197 static int NextControlId(int winid) { return winid - 1; }
198 // get the id of the control preceding the one with the given
199 // (autogenerated) id
200 static int PrevControlId(int winid) { return winid + 1; }
201
202 // moving/resizing
203 // ---------------
204
205 // set the window size and/or position
206 void SetSize( int x, int y, int width, int height,
207 int sizeFlags = wxSIZE_AUTO )
208 { DoSetSize(x, y, width, height, sizeFlags); }
209
210 void SetSize( int width, int height )
211 { DoSetSize( wxDefaultCoord, wxDefaultCoord, width, height, wxSIZE_USE_EXISTING ); }
212
213 void SetSize( const wxSize& size )
214 { SetSize( size.x, size.y); }
215
216 void SetSize(const wxRect& rect, int sizeFlags = wxSIZE_AUTO)
217 { DoSetSize(rect.x, rect.y, rect.width, rect.height, sizeFlags); }
218
219 void Move(int x, int y, int flags = wxSIZE_USE_EXISTING)
220 { DoSetSize(x, y, wxDefaultCoord, wxDefaultCoord, flags); }
221
222 void Move(const wxPoint& pt, int flags = wxSIZE_USE_EXISTING)
223 { Move(pt.x, pt.y, flags); }
224
225 // Z-order
226 virtual void Raise() = 0;
227 virtual void Lower() = 0;
228
229 // client size is the size of area available for subwindows
230 void SetClientSize( int width, int height )
231 { DoSetClientSize(width, height); }
232
233 void SetClientSize( const wxSize& size )
234 { DoSetClientSize(size.x, size.y); }
235
236 void SetClientSize(const wxRect& rect)
237 { SetClientSize( rect.width, rect.height ); }
238
239 // get the window position and/or size (pointers may be NULL)
240 void GetPosition( int *x, int *y ) const { DoGetPosition(x, y); }
241 wxPoint GetPosition() const
242 {
243 int w, h;
244 DoGetPosition(&w, &h);
245
246 return wxPoint(w, h);
247 }
248
249 void SetPosition( const wxPoint& pt ) { Move( pt ) ; }
250
251 void GetSize( int *w, int *h ) const { DoGetSize(w, h); }
252 wxSize GetSize() const
253 {
254 int w, h;
255 DoGetSize(& w, & h);
256 return wxSize(w, h);
257 }
258
259 wxRect GetRect() const
260 {
261 int x, y, w, h;
262 GetPosition(& x, & y);
263 GetSize(& w, & h);
264
265 return wxRect(x, y, w, h);
266 }
267
268 void GetClientSize( int *w, int *h ) const { DoGetClientSize(w, h); }
269 wxSize GetClientSize() const
270 {
271 int w, h;
272 DoGetClientSize(& w, & h);
273
274 return wxSize(w, h);
275 }
276
277 // get the origin of the client area of the window relative to the
278 // window top left corner (the client area may be shifted because of
279 // the borders, scrollbars, other decorations...)
280 virtual wxPoint GetClientAreaOrigin() const;
281
282 // get the client rectangle in window (i.e. client) coordinates
283 wxRect GetClientRect() const
284 {
285 return wxRect(GetClientAreaOrigin(), GetClientSize());
286 }
287
288 // get the size best suited for the window (in fact, minimal
289 // acceptable size using which it will still look "nice" in
290 // most situations)
291 wxSize GetBestSize() const
292 {
293 if (m_bestSizeCache.IsFullySpecified())
294 return m_bestSizeCache;
295 return DoGetBestSize();
296 }
297 void GetBestSize(int *w, int *h) const
298 {
299 wxSize s = GetBestSize();
300 if ( w )
301 *w = s.x;
302 if ( h )
303 *h = s.y;
304 }
305
306 // reset the cached best size value so it will be recalculated the
307 // next time it is needed.
308 void InvalidateBestSize();
309 void CacheBestSize(const wxSize& size) const
310 { wxConstCast(this, wxWindowBase)->m_bestSizeCache = size; }
311
312 // There are times (and windows) where 'Best' size and 'Min' size
313 // are vastly out of sync. This should be remedied somehow, but in
314 // the meantime, this method will return the larger of BestSize
315 // (the window's smallest legible size), and any user specified
316 // MinSize hint.
317 wxSize GetAdjustedBestSize() const
318 {
319 wxSize s( GetBestSize() );
320 return wxSize( wxMax( s.x, GetMinWidth() ), wxMax( s.y, GetMinHeight() ) );
321 }
322
323 // This function will merge the window's best size into the window's
324 // minimum size, giving priority to the min size components, and
325 // returns the results.
326 wxSize GetBestFittingSize() const;
327
328 // A 'Smart' SetSize that will fill in default size values with 'best'
329 // size. Sets the minsize to what was passed in.
330 void SetBestFittingSize(const wxSize& size=wxDefaultSize);
331
332 // the generic centre function - centers the window on parent by`
333 // default or on screen if it doesn't have parent or
334 // wxCENTER_ON_SCREEN flag is given
335 void Centre( int direction = wxBOTH );
336 void Center( int direction = wxBOTH ) { Centre(direction); }
337
338 // centre on screen (only works for top level windows)
339 void CentreOnScreen(int dir = wxBOTH) { Centre(dir | wxCENTER_ON_SCREEN); }
340 void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); }
341
342 // centre with respect to the the parent window
343 void CentreOnParent(int dir = wxBOTH) { Centre(dir | wxCENTER_FRAME); }
344 void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); }
345
346 // set window size to wrap around its children
347 virtual void Fit();
348
349 // set virtual size to satisfy children
350 virtual void FitInside();
351
352 // set min/max size of the window
353 virtual void SetSizeHints( int minW, int minH,
354 int maxW = wxDefaultCoord, int maxH = wxDefaultCoord,
355 int incW = wxDefaultCoord, int incH = wxDefaultCoord )
356 {
357 DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
358 }
359
360 void SetSizeHints( const wxSize& minSize,
361 const wxSize& maxSize=wxDefaultSize,
362 const wxSize& incSize=wxDefaultSize)
363 {
364 DoSetSizeHints(minSize.x, minSize.y,
365 maxSize.x, maxSize.y,
366 incSize.x, incSize.y);
367 }
368
369 virtual void DoSetSizeHints(int minW, int minH,
370 int maxW = wxDefaultCoord, int maxH = wxDefaultCoord,
371 int incW = wxDefaultCoord, int incH = wxDefaultCoord );
372
373 virtual void SetVirtualSizeHints( int minW, int minH,
374 int maxW = wxDefaultCoord, int maxH = wxDefaultCoord );
375 void SetVirtualSizeHints( const wxSize& minSize,
376 const wxSize& maxSize=wxDefaultSize)
377 {
378 SetVirtualSizeHints(minSize.x, minSize.y, maxSize.x, maxSize.y);
379 }
380
381 virtual int GetMinWidth() const { return m_minWidth; }
382 virtual int GetMinHeight() const { return m_minHeight; }
383 int GetMaxWidth() const { return m_maxWidth; }
384 int GetMaxHeight() const { return m_maxHeight; }
385
386 // Override this method to control the values given to Sizers etc.
387 virtual wxSize GetMaxSize() const { return wxSize( m_maxWidth, m_maxHeight ); }
388 virtual wxSize GetMinSize() const { return wxSize( m_minWidth, m_minHeight ); }
389
390 void SetMinSize(const wxSize& minSize) { SetSizeHints(minSize); }
391 void SetMaxSize(const wxSize& maxSize) { SetSizeHints(GetMinSize(), maxSize); }
392
393 // Methods for accessing the virtual size of a window. For most
394 // windows this is just the client area of the window, but for
395 // some like scrolled windows it is more or less independent of
396 // the screen window size. You may override the DoXXXVirtual
397 // methods below for classes where that is is the case.
398
399 void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); }
400 void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); }
401
402 wxSize GetVirtualSize() const { return DoGetVirtualSize(); }
403 void GetVirtualSize( int *x, int *y ) const
404 {
405 wxSize s( DoGetVirtualSize() );
406
407 if( x )
408 *x = s.GetWidth();
409 if( y )
410 *y = s.GetHeight();
411 }
412
413 // Override these methods for windows that have a virtual size
414 // independent of their client size. eg. the virtual area of a
415 // wxScrolledWindow.
416
417 virtual void DoSetVirtualSize( int x, int y );
418 virtual wxSize DoGetVirtualSize() const;
419
420 // Return the largest of ClientSize and BestSize (as determined
421 // by a sizer, interior children, or other means)
422
423 virtual wxSize GetBestVirtualSize() const
424 {
425 wxSize client( GetClientSize() );
426 wxSize best( GetBestSize() );
427
428 return wxSize( wxMax( client.x, best.x ), wxMax( client.y, best.y ) );
429 }
430
431 // window state
432 // ------------
433
434 // returns true if window was shown/hidden, false if the nothing was
435 // done (window was already shown/hidden)
436 virtual bool Show( bool show = true );
437 bool Hide() { return Show(false); }
438
439 // returns true if window was enabled/disabled, false if nothing done
440 virtual bool Enable( bool enable = true );
441 bool Disable() { return Enable(false); }
442
443 virtual bool IsShown() const { return m_isShown; }
444 virtual bool IsEnabled() const { return m_isEnabled; }
445
446 // get/set window style (setting style won't update the window and so
447 // is only useful for internal usage)
448 virtual void SetWindowStyleFlag( long style ) { m_windowStyle = style; }
449 virtual long GetWindowStyleFlag() const { return m_windowStyle; }
450
451 // just some (somewhat shorter) synonims
452 void SetWindowStyle( long style ) { SetWindowStyleFlag(style); }
453 long GetWindowStyle() const { return GetWindowStyleFlag(); }
454
455 bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; }
456 virtual bool IsRetained() const { return HasFlag(wxRETAINED); }
457
458 // extra style: the less often used style bits which can't be set with
459 // SetWindowStyleFlag()
460 virtual void SetExtraStyle(long exStyle) { m_exStyle = exStyle; }
461 long GetExtraStyle() const { return m_exStyle; }
462
463 // make the window modal (all other windows unresponsive)
464 virtual void MakeModal(bool modal = true);
465
466
467 // (primitive) theming support
468 // ---------------------------
469
470 virtual void SetThemeEnabled(bool enableTheme) { m_themeEnabled = enableTheme; }
471 virtual bool GetThemeEnabled() const { return m_themeEnabled; }
472
473
474 // focus and keyboard handling
475 // ---------------------------
476
477 // set focus to this window
478 virtual void SetFocus() = 0;
479
480 // set focus to this window as the result of a keyboard action
481 virtual void SetFocusFromKbd() { SetFocus(); }
482
483 // return the window which currently has the focus or NULL
484 static wxWindow *FindFocus();
485
486 static wxWindow *DoFindFocus() /* = 0: implement in derived classes */;
487
488 // can this window have focus?
489 virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); }
490
491 // can this window be given focus by keyboard navigation? if not, the
492 // only way to give it focus (provided it accepts it at all) is to
493 // click it
494 virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); }
495
496 // NB: these methods really don't belong here but with the current
497 // class hierarchy there is no other place for them :-(
498
499 // get the default child of this parent, i.e. the one which is
500 // activated by pressing <Enter>
501 virtual wxWindow *GetDefaultItem() const { return NULL; }
502
503 // set this child as default, return the old default
504 virtual wxWindow *SetDefaultItem(wxWindow * WXUNUSED(child))
505 { return NULL; }
506
507 // set this child as temporary default
508 virtual void SetTmpDefaultItem(wxWindow * WXUNUSED(win)) { }
509
510 // navigates in the specified direction by sending a wxNavigationKeyEvent
511 virtual bool Navigate(int flags = wxNavigationKeyEvent::IsForward);
512
513 // move this window just before/after the specified one in tab order
514 // (the other window must be our sibling!)
515 void MoveBeforeInTabOrder(wxWindow *win)
516 { DoMoveInTabOrder(win, MoveBefore); }
517 void MoveAfterInTabOrder(wxWindow *win)
518 { DoMoveInTabOrder(win, MoveAfter); }
519
520
521 // parent/children relations
522 // -------------------------
523
524 // get the list of children
525 const wxWindowList& GetChildren() const { return m_children; }
526 wxWindowList& GetChildren() { return m_children; }
527
528 // needed just for extended runtime
529 const wxWindowList& GetWindowChildren() const { return GetChildren() ; }
530
531 // get the parent or the parent of the parent
532 wxWindow *GetParent() const { return m_parent; }
533 inline wxWindow *GetGrandParent() const;
534
535 // is this window a top level one?
536 virtual bool IsTopLevel() const;
537
538 // it doesn't really change parent, use Reparent() instead
539 void SetParent( wxWindowBase *parent ) { m_parent = (wxWindow *)parent; }
540 // change the real parent of this window, return true if the parent
541 // was changed, false otherwise (error or newParent == oldParent)
542 virtual bool Reparent( wxWindowBase *newParent );
543
544 // implementation mostly
545 virtual void AddChild( wxWindowBase *child );
546 virtual void RemoveChild( wxWindowBase *child );
547
548 // looking for windows
549 // -------------------
550
551 // find window among the descendants of this one either by id or by
552 // name (return NULL if not found)
553 wxWindow *FindWindow(long winid) const;
554 wxWindow *FindWindow(const wxString& name) const;
555
556 // Find a window among any window (all return NULL if not found)
557 static wxWindow *FindWindowById( long winid, const wxWindow *parent = NULL );
558 static wxWindow *FindWindowByName( const wxString& name,
559 const wxWindow *parent = NULL );
560 static wxWindow *FindWindowByLabel( const wxString& label,
561 const wxWindow *parent = NULL );
562
563 // event handler stuff
564 // -------------------
565
566 // get the current event handler
567 wxEvtHandler *GetEventHandler() const { return m_eventHandler; }
568
569 // replace the event handler (allows to completely subclass the
570 // window)
571 void SetEventHandler( wxEvtHandler *handler ) { m_eventHandler = handler; }
572
573 // push/pop event handler: allows to chain a custom event handler to
574 // alreasy existing ones
575 void PushEventHandler( wxEvtHandler *handler );
576 wxEvtHandler *PopEventHandler( bool deleteHandler = false );
577
578 // find the given handler in the event handler chain and remove (but
579 // not delete) it from the event handler chain, return true if it was
580 // found and false otherwise (this also results in an assert failure so
581 // this function should only be called when the handler is supposed to
582 // be there)
583 bool RemoveEventHandler(wxEvtHandler *handler);
584
585 // validators
586 // ----------
587
588 #if wxUSE_VALIDATORS
589 // a window may have an associated validator which is used to control
590 // user input
591 virtual void SetValidator( const wxValidator &validator );
592 virtual wxValidator *GetValidator() { return m_windowValidator; }
593 #endif // wxUSE_VALIDATORS
594
595
596 // dialog oriented functions
597 // -------------------------
598
599 // validate the correctness of input, return true if ok
600 virtual bool Validate();
601
602 // transfer data between internal and GUI representations
603 virtual bool TransferDataToWindow();
604 virtual bool TransferDataFromWindow();
605
606 virtual void InitDialog();
607
608 #if wxUSE_ACCEL
609 // accelerators
610 // ------------
611 virtual void SetAcceleratorTable( const wxAcceleratorTable& accel )
612 { m_acceleratorTable = accel; }
613 wxAcceleratorTable *GetAcceleratorTable()
614 { return &m_acceleratorTable; }
615
616 #endif // wxUSE_ACCEL
617
618 #if wxUSE_HOTKEY
619 // hot keys (system wide accelerators)
620 // -----------------------------------
621
622 virtual bool RegisterHotKey(int hotkeyId, int modifiers, int keycode);
623 virtual bool UnregisterHotKey(int hotkeyId);
624 #endif // wxUSE_HOTKEY
625
626
627 // dialog units translations
628 // -------------------------
629
630 wxPoint ConvertPixelsToDialog( const wxPoint& pt );
631 wxPoint ConvertDialogToPixels( const wxPoint& pt );
632 wxSize ConvertPixelsToDialog( const wxSize& sz )
633 {
634 wxPoint pt(ConvertPixelsToDialog(wxPoint(sz.x, sz.y)));
635
636 return wxSize(pt.x, pt.y);
637 }
638
639 wxSize ConvertDialogToPixels( const wxSize& sz )
640 {
641 wxPoint pt(ConvertDialogToPixels(wxPoint(sz.x, sz.y)));
642
643 return wxSize(pt.x, pt.y);
644 }
645
646 // mouse functions
647 // ---------------
648
649 // move the mouse to the specified position
650 virtual void WarpPointer(int x, int y) = 0;
651
652 // start or end mouse capture, these functions maintain the stack of
653 // windows having captured the mouse and after calling ReleaseMouse()
654 // the mouse is not released but returns to the window which had had
655 // captured it previously (if any)
656 void CaptureMouse();
657 void ReleaseMouse();
658
659 // get the window which currently captures the mouse or NULL
660 static wxWindow *GetCapture();
661
662 // does this window have the capture?
663 virtual bool HasCapture() const
664 { return (wxWindow *)this == GetCapture(); }
665
666 // painting the window
667 // -------------------
668
669 // mark the specified rectangle (or the whole window) as "dirty" so it
670 // will be repainted
671 virtual void Refresh( bool eraseBackground = true,
672 const wxRect *rect = (const wxRect *) NULL ) = 0;
673
674 // a less awkward wrapper for Refresh
675 void RefreshRect(const wxRect& rect, bool eraseBackground = true)
676 {
677 Refresh(eraseBackground, &rect);
678 }
679
680 // repaint all invalid areas of the window immediately
681 virtual void Update() { }
682
683 // clear the window background
684 virtual void ClearBackground();
685
686 // freeze the window: don't redraw it until it is thawed
687 virtual void Freeze() { }
688
689 // thaw the window: redraw it after it had been frozen
690 virtual void Thaw() { }
691
692 // adjust DC for drawing on this window
693 virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { }
694
695 // the update region of the window contains the areas which must be
696 // repainted by the program
697 const wxRegion& GetUpdateRegion() const { return m_updateRegion; }
698 wxRegion& GetUpdateRegion() { return m_updateRegion; }
699
700 // get the update rectangleregion bounding box in client coords
701 wxRect GetUpdateClientRect() const;
702
703 // these functions verify whether the given point/rectangle belongs to
704 // (or at least intersects with) the update region
705 bool IsExposed( int x, int y ) const;
706 bool IsExposed( int x, int y, int w, int h ) const;
707
708 bool IsExposed( const wxPoint& pt ) const
709 { return IsExposed(pt.x, pt.y); }
710 bool IsExposed( const wxRect& rect ) const
711 { return IsExposed(rect.x, rect.y, rect.width, rect.height); }
712
713 // colours, fonts and cursors
714 // --------------------------
715
716 // get the default attributes for the controls of this class: we
717 // provide a virtual function which can be used to query the default
718 // attributes of an existing control and a static function which can
719 // be used even when no existing object of the given class is
720 // available, but which won't return any styles specific to this
721 // particular control, of course (e.g. "Ok" button might have
722 // different -- bold for example -- font)
723 virtual wxVisualAttributes GetDefaultAttributes() const
724 {
725 return GetClassDefaultAttributes(GetWindowVariant());
726 }
727
728 static wxVisualAttributes
729 GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
730
731 // set/retrieve the window colours (system defaults are used by
732 // default): SetXXX() functions return true if colour was changed,
733 // SetDefaultXXX() reset the "m_inheritXXX" flag after setting the
734 // value to prevent it from being inherited by our children
735 virtual bool SetBackgroundColour(const wxColour& colour);
736 void SetOwnBackgroundColour(const wxColour& colour)
737 {
738 if ( SetBackgroundColour(colour) )
739 m_inheritBgCol = false;
740 }
741 wxColour GetBackgroundColour() const;
742 bool InheritsBackgroundColour() const
743 {
744 return m_inheritBgCol;
745 }
746 bool UseBgCol() const
747 {
748 return m_hasBgCol;
749 }
750
751 virtual bool SetForegroundColour(const wxColour& colour);
752 void SetOwnForegroundColour(const wxColour& colour)
753 {
754 if ( SetForegroundColour(colour) )
755 m_inheritFgCol = false;
756 }
757 wxColour GetForegroundColour() const;
758
759 // Set/get the background style.
760 // Pass one of wxBG_STYLE_SYSTEM, wxBG_STYLE_COLOUR, wxBG_STYLE_CUSTOM
761 virtual bool SetBackgroundStyle(wxBackgroundStyle style) { m_backgroundStyle = style; return true; }
762 virtual wxBackgroundStyle GetBackgroundStyle() const { return m_backgroundStyle; }
763
764 // returns true if the control has "transparent" areas such as a
765 // wxStaticText and wxCheckBox and the background should be adapted
766 // from a parent window
767 virtual bool HasTransparentBackground() { return false; }
768
769 // set/retrieve the font for the window (SetFont() returns true if the
770 // font really changed)
771 virtual bool SetFont(const wxFont& font) = 0;
772 void SetOwnFont(const wxFont& font)
773 {
774 if ( SetFont(font) )
775 m_inheritFont = false;
776 }
777 wxFont GetFont() const;
778
779 // set/retrieve the cursor for this window (SetCursor() returns true
780 // if the cursor was really changed)
781 virtual bool SetCursor( const wxCursor &cursor );
782 const wxCursor& GetCursor() const { return m_cursor; }
783
784 #if wxUSE_CARET
785 // associate a caret with the window
786 void SetCaret(wxCaret *caret);
787 // get the current caret (may be NULL)
788 wxCaret *GetCaret() const { return m_caret; }
789 #endif // wxUSE_CARET
790
791 // get the (average) character size for the current font
792 virtual int GetCharHeight() const = 0;
793 virtual int GetCharWidth() const = 0;
794
795 // get the width/height/... of the text using current or specified
796 // font
797 virtual void GetTextExtent(const wxString& string,
798 int *x, int *y,
799 int *descent = (int *) NULL,
800 int *externalLeading = (int *) NULL,
801 const wxFont *theFont = (const wxFont *) NULL)
802 const = 0;
803
804 // client <-> screen coords
805 // ------------------------
806
807 // translate to/from screen/client coordinates (pointers may be NULL)
808 void ClientToScreen( int *x, int *y ) const
809 { DoClientToScreen(x, y); }
810 void ScreenToClient( int *x, int *y ) const
811 { DoScreenToClient(x, y); }
812
813 // wxPoint interface to do the same thing
814 wxPoint ClientToScreen(const wxPoint& pt) const
815 {
816 int x = pt.x, y = pt.y;
817 DoClientToScreen(&x, &y);
818
819 return wxPoint(x, y);
820 }
821
822 wxPoint ScreenToClient(const wxPoint& pt) const
823 {
824 int x = pt.x, y = pt.y;
825 DoScreenToClient(&x, &y);
826
827 return wxPoint(x, y);
828 }
829
830 // test where the given (in client coords) point lies
831 wxHitTest HitTest(wxCoord x, wxCoord y) const
832 { return DoHitTest(x, y); }
833
834 wxHitTest HitTest(const wxPoint& pt) const
835 { return DoHitTest(pt.x, pt.y); }
836
837 // misc
838 // ----
839
840 // get the window border style from the given flags: this is different from
841 // simply doing flags & wxBORDER_MASK because it uses GetDefaultBorder() to
842 // translate wxBORDER_DEFAULT to something reasonable
843 wxBorder GetBorder(long flags) const;
844
845 // get border for the flags of this window
846 wxBorder GetBorder() const { return GetBorder(GetWindowStyleFlag()); }
847
848 // send wxUpdateUIEvents to this window, and children if recurse is true
849 virtual void UpdateWindowUI(long flags = wxUPDATE_UI_NONE);
850
851 // do the window-specific processing after processing the update event
852 virtual void DoUpdateWindowUI(wxUpdateUIEvent& event) ;
853
854 #if wxUSE_MENUS
855 bool PopupMenu(wxMenu *menu, const wxPoint& pos = wxDefaultPosition)
856 { return DoPopupMenu(menu, pos.x, pos.y); }
857 bool PopupMenu(wxMenu *menu, int x, int y)
858 { return DoPopupMenu(menu, x, y); }
859 #endif // wxUSE_MENUS
860
861 // scrollbars
862 // ----------
863
864 // does the window have the scrollbar for this orientation?
865 bool HasScrollbar(int orient) const
866 {
867 return (m_windowStyle &
868 (orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0;
869 }
870
871 // configure the window scrollbars
872 virtual void SetScrollbar( int orient,
873 int pos,
874 int thumbvisible,
875 int range,
876 bool refresh = true ) = 0;
877 virtual void SetScrollPos( int orient, int pos, bool refresh = true ) = 0;
878 virtual int GetScrollPos( int orient ) const = 0;
879 virtual int GetScrollThumb( int orient ) const = 0;
880 virtual int GetScrollRange( int orient ) const = 0;
881
882 // scroll window to the specified position
883 virtual void ScrollWindow( int dx, int dy,
884 const wxRect* rect = (wxRect *) NULL ) = 0;
885
886 // scrolls window by line/page: note that not all controls support this
887 //
888 // return true if the position changed, false otherwise
889 virtual bool ScrollLines(int WXUNUSED(lines)) { return false; }
890 virtual bool ScrollPages(int WXUNUSED(pages)) { return false; }
891
892 // convenient wrappers for ScrollLines/Pages
893 bool LineUp() { return ScrollLines(-1); }
894 bool LineDown() { return ScrollLines(1); }
895 bool PageUp() { return ScrollPages(-1); }
896 bool PageDown() { return ScrollPages(1); }
897
898 // context-sensitive help
899 // ----------------------
900
901 // these are the convenience functions wrapping wxHelpProvider methods
902
903 #if wxUSE_HELP
904 // associate this help text with this window
905 void SetHelpText(const wxString& text);
906 // associate this help text with all windows with the same id as this
907 // one
908 void SetHelpTextForId(const wxString& text);
909 // get the help string associated with this window (may be empty)
910 wxString GetHelpText() const;
911 #else
912 // silently ignore SetHelpText() calls
913 void SetHelpText(const wxString& WXUNUSED(text)) { }
914 void SetHelpTextForId(const wxString& WXUNUSED(text)) { }
915 #endif // wxUSE_HELP
916
917 // tooltips
918 // --------
919
920 #if wxUSE_TOOLTIPS
921 // the easiest way to set a tooltip for a window is to use this method
922 void SetToolTip( const wxString &tip );
923 // attach a tooltip to the window
924 void SetToolTip( wxToolTip *tip ) { DoSetToolTip(tip); }
925 // get the associated tooltip or NULL if none
926 wxToolTip* GetToolTip() const { return m_tooltip; }
927 wxString GetToolTipText() const ;
928 #else
929 // make it much easier to compile apps in an environment
930 // that doesn't support tooltips, such as PocketPC
931 inline void SetToolTip( const wxString & WXUNUSED(tip) ) {}
932 #endif // wxUSE_TOOLTIPS
933
934 // drag and drop
935 // -------------
936 #if wxUSE_DRAG_AND_DROP
937 // set/retrieve the drop target associated with this window (may be
938 // NULL; it's owned by the window and will be deleted by it)
939 virtual void SetDropTarget( wxDropTarget *dropTarget ) = 0;
940 virtual wxDropTarget *GetDropTarget() const { return m_dropTarget; }
941 #endif // wxUSE_DRAG_AND_DROP
942
943 // constraints and sizers
944 // ----------------------
945 #if wxUSE_CONSTRAINTS
946 // set the constraints for this window or retrieve them (may be NULL)
947 void SetConstraints( wxLayoutConstraints *constraints );
948 wxLayoutConstraints *GetConstraints() const { return m_constraints; }
949
950 // implementation only
951 void UnsetConstraints(wxLayoutConstraints *c);
952 wxWindowList *GetConstraintsInvolvedIn() const
953 { return m_constraintsInvolvedIn; }
954 void AddConstraintReference(wxWindowBase *otherWin);
955 void RemoveConstraintReference(wxWindowBase *otherWin);
956 void DeleteRelatedConstraints();
957 void ResetConstraints();
958
959 // these methods may be overridden for special layout algorithms
960 virtual void SetConstraintSizes(bool recurse = true);
961 virtual bool LayoutPhase1(int *noChanges);
962 virtual bool LayoutPhase2(int *noChanges);
963 virtual bool DoPhase(int phase);
964
965 // these methods are virtual but normally won't be overridden
966 virtual void SetSizeConstraint(int x, int y, int w, int h);
967 virtual void MoveConstraint(int x, int y);
968 virtual void GetSizeConstraint(int *w, int *h) const ;
969 virtual void GetClientSizeConstraint(int *w, int *h) const ;
970 virtual void GetPositionConstraint(int *x, int *y) const ;
971
972 #endif // wxUSE_CONSTRAINTS
973
974 // when using constraints or sizers, it makes sense to update
975 // children positions automatically whenever the window is resized
976 // - this is done if autoLayout is on
977 void SetAutoLayout( bool autoLayout ) { m_autoLayout = autoLayout; }
978 bool GetAutoLayout() const { return m_autoLayout; }
979
980 // lay out the window and its children
981 virtual bool Layout();
982
983 // sizers
984 void SetSizer(wxSizer *sizer, bool deleteOld = true );
985 void SetSizerAndFit( wxSizer *sizer, bool deleteOld = true );
986
987 wxSizer *GetSizer() const { return m_windowSizer; }
988
989 // Track if this window is a member of a sizer
990 void SetContainingSizer(wxSizer* sizer);
991 wxSizer *GetContainingSizer() const { return m_containingSizer; }
992
993 // accessibility
994 // ----------------------
995 #if wxUSE_ACCESSIBILITY
996 // Override to create a specific accessible object.
997 virtual wxAccessible* CreateAccessible();
998
999 // Sets the accessible object.
1000 void SetAccessible(wxAccessible* accessible) ;
1001
1002 // Returns the accessible object.
1003 wxAccessible* GetAccessible() { return m_accessible; };
1004
1005 // Returns the accessible object, creating if necessary.
1006 wxAccessible* GetOrCreateAccessible() ;
1007 #endif
1008
1009 // implementation
1010 // --------------
1011
1012 // event handlers
1013 void OnSysColourChanged( wxSysColourChangedEvent& event );
1014 void OnInitDialog( wxInitDialogEvent &event );
1015 void OnMiddleClick( wxMouseEvent& event );
1016 #if wxUSE_HELP
1017 void OnHelp(wxHelpEvent& event);
1018 #endif // wxUSE_HELP
1019
1020 // virtual function for implementing internal idle
1021 // behaviour
1022 virtual void OnInternalIdle() {}
1023
1024 // call internal idle recursively
1025 // void ProcessInternalIdle() ;
1026
1027 // get the handle of the window for the underlying window system: this
1028 // is only used for wxWin itself or for user code which wants to call
1029 // platform-specific APIs
1030 virtual WXWidget GetHandle() const = 0;
1031 // associate the window with a new native handle
1032 virtual void AssociateHandle(WXWidget WXUNUSED(handle)) { }
1033 // dissociate the current native handle from the window
1034 virtual void DissociateHandle() { }
1035
1036 #if wxUSE_PALETTE
1037 // Store the palette used by DCs in wxWindow so that the dcs can share
1038 // a palette. And we can respond to palette messages.
1039 wxPalette GetPalette() const { return m_palette; }
1040
1041 // When palette is changed tell the DC to set the system palette to the
1042 // new one.
1043 void SetPalette(const wxPalette& pal);
1044
1045 // return true if we have a specific palette
1046 bool HasCustomPalette() const { return m_hasCustomPalette; }
1047
1048 // return the first parent window with a custom palette or NULL
1049 wxWindow *GetAncestorWithCustomPalette() const;
1050 #endif // wxUSE_PALETTE
1051
1052 // inherit the parents visual attributes if they had been explicitly set
1053 // by the user (i.e. we don't inherit default attributes) and if we don't
1054 // have our own explicitly set
1055 virtual void InheritAttributes();
1056
1057 // returns false from here if this window doesn't want to inherit the
1058 // parents colours even if InheritAttributes() would normally do it
1059 //
1060 // this just provides a simple way to customize InheritAttributes()
1061 // behaviour in the most common case
1062 virtual bool ShouldInheritColours() const { return false; }
1063
1064 // Reserved for future use
1065 virtual void ReservedWindowFunc1() {}
1066 virtual void ReservedWindowFunc2() {}
1067 virtual void ReservedWindowFunc3() {}
1068 virtual void ReservedWindowFunc4() {}
1069 virtual void ReservedWindowFunc5() {}
1070 virtual void ReservedWindowFunc6() {}
1071 virtual void ReservedWindowFunc7() {}
1072 virtual void ReservedWindowFunc8() {}
1073 virtual void ReservedWindowFunc9() {}
1074
1075 protected:
1076 // event handling specific to wxWindow
1077 virtual bool TryValidator(wxEvent& event);
1078 virtual bool TryParent(wxEvent& event);
1079
1080 // common part of MoveBefore/AfterInTabOrder()
1081 enum MoveKind
1082 {
1083 MoveBefore, // insert before the given window
1084 MoveAfter // insert after the given window
1085 };
1086 virtual void DoMoveInTabOrder(wxWindow *win, MoveKind move);
1087
1088 #if wxUSE_CONSTRAINTS
1089 // satisfy the constraints for the windows but don't set the window sizes
1090 void SatisfyConstraints();
1091 #endif // wxUSE_CONSTRAINTS
1092
1093 // Send the wxWindowDestroyEvent
1094 void SendDestroyEvent();
1095
1096 // returns the main window of composite control; this is the window
1097 // that FindFocus returns if the focus is in one of composite control's
1098 // windows
1099 virtual wxWindow *GetMainWindowOfCompositeControl()
1100 { return (wxWindow*)this; }
1101
1102 // the window id - a number which uniquely identifies a window among
1103 // its siblings unless it is wxID_ANY
1104 wxWindowID m_windowId;
1105
1106 // the parent window of this window (or NULL) and the list of the children
1107 // of this window
1108 wxWindow *m_parent;
1109 wxWindowList m_children;
1110
1111 // the minimal allowed size for the window (no minimal size if variable(s)
1112 // contain(s) wxDefaultCoord)
1113 int m_minWidth,
1114 m_minHeight,
1115 m_maxWidth,
1116 m_maxHeight;
1117
1118 // event handler for this window: usually is just 'this' but may be
1119 // changed with SetEventHandler()
1120 wxEvtHandler *m_eventHandler;
1121
1122 #if wxUSE_VALIDATORS
1123 // associated validator or NULL if none
1124 wxValidator *m_windowValidator;
1125 #endif // wxUSE_VALIDATORS
1126
1127 #if wxUSE_DRAG_AND_DROP
1128 wxDropTarget *m_dropTarget;
1129 #endif // wxUSE_DRAG_AND_DROP
1130
1131 // visual window attributes
1132 wxCursor m_cursor;
1133 wxFont m_font; // see m_hasFont
1134 wxColour m_backgroundColour, // m_hasBgCol
1135 m_foregroundColour; // m_hasFgCol
1136
1137 #if wxUSE_CARET
1138 wxCaret *m_caret;
1139 #endif // wxUSE_CARET
1140
1141 // the region which should be repainted in response to paint event
1142 wxRegion m_updateRegion;
1143
1144 #if wxUSE_ACCEL
1145 // the accelerator table for the window which translates key strokes into
1146 // command events
1147 wxAcceleratorTable m_acceleratorTable;
1148 #endif // wxUSE_ACCEL
1149
1150 // the tooltip for this window (may be NULL)
1151 #if wxUSE_TOOLTIPS
1152 wxToolTip *m_tooltip;
1153 #endif // wxUSE_TOOLTIPS
1154
1155 // constraints and sizers
1156 #if wxUSE_CONSTRAINTS
1157 // the constraints for this window or NULL
1158 wxLayoutConstraints *m_constraints;
1159
1160 // constraints this window is involved in
1161 wxWindowList *m_constraintsInvolvedIn;
1162 #endif // wxUSE_CONSTRAINTS
1163
1164 // this window's sizer
1165 wxSizer *m_windowSizer;
1166
1167 // The sizer this window is a member of, if any
1168 wxSizer *m_containingSizer;
1169
1170 // Layout() window automatically when its size changes?
1171 bool m_autoLayout:1;
1172
1173 // window state
1174 bool m_isShown:1;
1175 bool m_isEnabled:1;
1176 bool m_isBeingDeleted:1;
1177
1178 // was the window colours/font explicitly changed by user?
1179 bool m_hasBgCol:1;
1180 bool m_hasFgCol:1;
1181 bool m_hasFont:1;
1182
1183 // and should it be inherited by children?
1184 bool m_inheritBgCol:1;
1185 bool m_inheritFgCol:1;
1186 bool m_inheritFont:1;
1187
1188 // window attributes
1189 long m_windowStyle,
1190 m_exStyle;
1191 wxString m_windowName;
1192 bool m_themeEnabled;
1193 wxBackgroundStyle m_backgroundStyle;
1194 #if wxUSE_PALETTE
1195 wxPalette m_palette;
1196 bool m_hasCustomPalette;
1197 #endif // wxUSE_PALETTE
1198
1199 #if wxUSE_ACCESSIBILITY
1200 wxAccessible* m_accessible;
1201 #endif
1202
1203 // Virtual size (scrolling)
1204 wxSize m_virtualSize;
1205
1206 int m_minVirtualWidth; // VirtualSizeHints
1207 int m_minVirtualHeight;
1208 int m_maxVirtualWidth;
1209 int m_maxVirtualHeight;
1210
1211 wxWindowVariant m_windowVariant ;
1212
1213 // override this to change the default (i.e. used when no style is
1214 // specified) border for the window class
1215 virtual wxBorder GetDefaultBorder() const;
1216
1217 // Get the default size for the new window if no explicit size given. TLWs
1218 // have their own default size so this is just for non top-level windows.
1219 static int WidthDefault(int w) { return w == wxDefaultCoord ? 20 : w; }
1220 static int HeightDefault(int h) { return h == wxDefaultCoord ? 20 : h; }
1221
1222
1223 // Used to save the results of DoGetBestSize so it doesn't need to be
1224 // recalculated each time the value is needed.
1225 wxSize m_bestSizeCache;
1226
1227 // keep the old name for compatibility, at least until all the internal
1228 // usages of it are changed to SetBestFittingSize
1229 void SetBestSize(const wxSize& size) { SetBestFittingSize(size); }
1230
1231 // set the initial window size if none is given (i.e. at least one of the
1232 // components of the size passed to ctor/Create() is wxDefaultCoord)
1233 //
1234 // normally just calls SetBestSize() for controls, but can be overridden
1235 // not to do it for the controls which have to do some additional
1236 // initialization (e.g. add strings to list box) before their best size
1237 // can be accurately calculated
1238 virtual void SetInitialBestSize(const wxSize& WXUNUSED(size)) {}
1239
1240
1241
1242 // more pure virtual functions
1243 // ---------------------------
1244
1245 // NB: we must have DoSomething() function when Something() is an overloaded
1246 // method: indeed, we can't just have "virtual Something()" in case when
1247 // the function is overloaded because then we'd have to make virtual all
1248 // the variants (otherwise only the virtual function may be called on a
1249 // pointer to derived class according to C++ rules) which is, in
1250 // general, absolutely not needed. So instead we implement all
1251 // overloaded Something()s in terms of DoSomething() which will be the
1252 // only one to be virtual.
1253
1254 // coordinates translation
1255 virtual void DoClientToScreen( int *x, int *y ) const = 0;
1256 virtual void DoScreenToClient( int *x, int *y ) const = 0;
1257
1258 virtual wxHitTest DoHitTest(wxCoord x, wxCoord y) const;
1259
1260 // capture/release the mouse, used by Capture/ReleaseMouse()
1261 virtual void DoCaptureMouse() = 0;
1262 virtual void DoReleaseMouse() = 0;
1263
1264 // retrieve the position/size of the window
1265 virtual void DoGetPosition( int *x, int *y ) const = 0;
1266 virtual void DoGetSize( int *width, int *height ) const = 0;
1267 virtual void DoGetClientSize( int *width, int *height ) const = 0;
1268
1269 // get the size which best suits the window: for a control, it would be
1270 // the minimal size which doesn't truncate the control, for a panel - the
1271 // same size as it would have after a call to Fit()
1272 virtual wxSize DoGetBestSize() const;
1273
1274 // called from DoGetBestSize() to convert best virtual size (returned by
1275 // the window sizer) to the best size for the window itself; this is
1276 // overridden at wxScrolledWindow level to clump down virtual size to real
1277 virtual wxSize GetWindowSizeForVirtualSize(const wxSize& size) const
1278 {
1279 return size;
1280 }
1281
1282 // this is the virtual function to be overriden in any derived class which
1283 // wants to change how SetSize() or Move() works - it is called by all
1284 // versions of these functions in the base class
1285 virtual void DoSetSize(int x, int y,
1286 int width, int height,
1287 int sizeFlags = wxSIZE_AUTO) = 0;
1288
1289 // same as DoSetSize() for the client size
1290 virtual void DoSetClientSize(int width, int height) = 0;
1291
1292 // move the window to the specified location and resize it: this is called
1293 // from both DoSetSize() and DoSetClientSize() and would usually just
1294 // reposition this window except for composite controls which will want to
1295 // arrange themselves inside the given rectangle
1296 virtual void DoMoveWindow(int x, int y, int width, int height) = 0;
1297
1298 #if wxUSE_TOOLTIPS
1299 virtual void DoSetToolTip( wxToolTip *tip );
1300 #endif // wxUSE_TOOLTIPS
1301
1302 #if wxUSE_MENUS
1303 virtual bool DoPopupMenu(wxMenu *menu, int x, int y) = 0;
1304 #endif // wxUSE_MENUS
1305
1306 // Makes an adjustment to the window position to make it relative to the
1307 // parents client area, e.g. if the parent is a frame with a toolbar, its
1308 // (0, 0) is just below the toolbar
1309 virtual void AdjustForParentClientOrigin(int& x, int& y,
1310 int sizeFlags = 0) const;
1311
1312 // implements the window variants
1313 virtual void DoSetWindowVariant( wxWindowVariant variant ) ;
1314
1315 // Reserved for future use
1316 void* m_windowReserved;
1317
1318 private:
1319 // contains the last id generated by NewControlId
1320 static int ms_lastControlId;
1321
1322 // the stack of windows which have captured the mouse
1323 static struct WXDLLEXPORT wxWindowNext *ms_winCaptureNext;
1324
1325 DECLARE_ABSTRACT_CLASS(wxWindowBase)
1326 DECLARE_NO_COPY_CLASS(wxWindowBase)
1327 DECLARE_EVENT_TABLE()
1328 };
1329
1330 // ----------------------------------------------------------------------------
1331 // now include the declaration of wxWindow class
1332 // ----------------------------------------------------------------------------
1333
1334 // include the declaration of the platform-specific class
1335 #if defined(__WXPALMOS__)
1336 #ifdef __WXUNIVERSAL__
1337 #define wxWindowNative wxWindowPalm
1338 #else // !wxUniv
1339 #define wxWindowPalm wxWindow
1340 #endif // wxUniv/!wxUniv
1341 #include "wx/palmos/window.h"
1342 #elif defined(__WXMSW__)
1343 #ifdef __WXUNIVERSAL__
1344 #define wxWindowNative wxWindowMSW
1345 #else // !wxUniv
1346 #define wxWindowMSW wxWindow
1347 #endif // wxUniv/!wxUniv
1348 #include "wx/msw/window.h"
1349 #elif defined(__WXMOTIF__)
1350 #include "wx/motif/window.h"
1351 #elif defined(__WXGTK__)
1352 #ifdef __WXUNIVERSAL__
1353 #define wxWindowNative wxWindowGTK
1354 #else // !wxUniv
1355 #define wxWindowGTK wxWindow
1356 #endif // wxUniv
1357 #include "wx/gtk/window.h"
1358 #elif defined(__WXX11__)
1359 #ifdef __WXUNIVERSAL__
1360 #define wxWindowNative wxWindowX11
1361 #else // !wxUniv
1362 #define wxWindowX11 wxWindow
1363 #endif // wxUniv
1364 #include "wx/x11/window.h"
1365 #elif defined(__WXMGL__)
1366 #ifdef __WXUNIVERSAL__
1367 #define wxWindowNative wxWindowMGL
1368 #else // !wxUniv
1369 #define wxWindowMGL wxWindow
1370 #endif // wxUniv
1371 #include "wx/mgl/window.h"
1372 #elif defined(__WXMAC__)
1373 #ifdef __WXUNIVERSAL__
1374 #define wxWindowNative wxWindowMac
1375 #else // !wxUniv
1376 #define wxWindowMac wxWindow
1377 #endif // wxUniv
1378 #include "wx/mac/window.h"
1379 #elif defined(__WXCOCOA__)
1380 #ifdef __WXUNIVERSAL__
1381 #define wxWindowNative wxWindowCocoa
1382 #else // !wxUniv
1383 #define wxWindowCocoa wxWindow
1384 #endif // wxUniv
1385 #include "wx/cocoa/window.h"
1386 #elif defined(__WXPM__)
1387 #ifdef __WXUNIVERSAL__
1388 #define wxWindowNative wxWindowOS2
1389 #else // !wxUniv
1390 #define wxWindowOS2 wxWindow
1391 #endif // wxUniv/!wxUniv
1392 #include "wx/os2/window.h"
1393 #endif
1394
1395 // for wxUniversal, we now derive the real wxWindow from wxWindow<platform>,
1396 // for the native ports we already have defined it above
1397 #if defined(__WXUNIVERSAL__)
1398 #ifndef wxWindowNative
1399 #error "wxWindowNative must be defined above!"
1400 #endif
1401
1402 #include "wx/univ/window.h"
1403 #endif // wxUniv
1404
1405 // ----------------------------------------------------------------------------
1406 // inline functions which couldn't be declared in the class body because of
1407 // forward dependencies
1408 // ----------------------------------------------------------------------------
1409
1410 inline wxWindow *wxWindowBase::GetGrandParent() const
1411 {
1412 return m_parent ? m_parent->GetParent() : (wxWindow *)NULL;
1413 }
1414
1415 // ----------------------------------------------------------------------------
1416 // global functions
1417 // ----------------------------------------------------------------------------
1418
1419 // Find the wxWindow at the current mouse position, also returning the mouse
1420 // position.
1421 extern WXDLLEXPORT wxWindow* wxFindWindowAtPointer(wxPoint& pt);
1422
1423 // Get the current mouse position.
1424 extern WXDLLEXPORT wxPoint wxGetMousePosition();
1425
1426 // get the currently active window of this application or NULL
1427 extern WXDLLEXPORT wxWindow *wxGetActiveWindow();
1428
1429 // get the (first) top level parent window
1430 WXDLLEXPORT wxWindow* wxGetTopLevelParent(wxWindow *win);
1431
1432 // deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId()
1433 inline int NewControlId() { return wxWindowBase::NewControlId(); }
1434
1435 #if wxUSE_ACCESSIBILITY
1436 // ----------------------------------------------------------------------------
1437 // accessible object for windows
1438 // ----------------------------------------------------------------------------
1439
1440 class WXDLLEXPORT wxWindowAccessible: public wxAccessible
1441 {
1442 public:
1443 wxWindowAccessible(wxWindow* win): wxAccessible(win) { if (win) win->SetAccessible(this); }
1444 virtual ~wxWindowAccessible() {}
1445
1446 // Overridables
1447
1448 // Can return either a child object, or an integer
1449 // representing the child element, starting from 1.
1450 virtual wxAccStatus HitTest(const wxPoint& pt, int* childId, wxAccessible** childObject);
1451
1452 // Returns the rectangle for this object (id = 0) or a child element (id > 0).
1453 virtual wxAccStatus GetLocation(wxRect& rect, int elementId);
1454
1455 // Navigates from fromId to toId/toObject.
1456 virtual wxAccStatus Navigate(wxNavDir navDir, int fromId,
1457 int* toId, wxAccessible** toObject);
1458
1459 // Gets the name of the specified object.
1460 virtual wxAccStatus GetName(int childId, wxString* name);
1461
1462 // Gets the number of children.
1463 virtual wxAccStatus GetChildCount(int* childCount);
1464
1465 // Gets the specified child (starting from 1).
1466 // If *child is NULL and return value is wxACC_OK,
1467 // this means that the child is a simple element and
1468 // not an accessible object.
1469 virtual wxAccStatus GetChild(int childId, wxAccessible** child);
1470
1471 // Gets the parent, or NULL.
1472 virtual wxAccStatus GetParent(wxAccessible** parent);
1473
1474 // Performs the default action. childId is 0 (the action for this object)
1475 // or > 0 (the action for a child).
1476 // Return wxACC_NOT_SUPPORTED if there is no default action for this
1477 // window (e.g. an edit control).
1478 virtual wxAccStatus DoDefaultAction(int childId);
1479
1480 // Gets the default action for this object (0) or > 0 (the action for a child).
1481 // Return wxACC_OK even if there is no action. actionName is the action, or the empty
1482 // string if there is no action.
1483 // The retrieved string describes the action that is performed on an object,
1484 // not what the object does as a result. For example, a toolbar button that prints
1485 // a document has a default action of "Press" rather than "Prints the current document."
1486 virtual wxAccStatus GetDefaultAction(int childId, wxString* actionName);
1487
1488 // Returns the description for this object or a child.
1489 virtual wxAccStatus GetDescription(int childId, wxString* description);
1490
1491 // Returns help text for this object or a child, similar to tooltip text.
1492 virtual wxAccStatus GetHelpText(int childId, wxString* helpText);
1493
1494 // Returns the keyboard shortcut for this object or child.
1495 // Return e.g. ALT+K
1496 virtual wxAccStatus GetKeyboardShortcut(int childId, wxString* shortcut);
1497
1498 // Returns a role constant.
1499 virtual wxAccStatus GetRole(int childId, wxAccRole* role);
1500
1501 // Returns a state constant.
1502 virtual wxAccStatus GetState(int childId, long* state);
1503
1504 // Returns a localized string representing the value for the object
1505 // or child.
1506 virtual wxAccStatus GetValue(int childId, wxString* strValue);
1507
1508 // Selects the object or child.
1509 virtual wxAccStatus Select(int childId, wxAccSelectionFlags selectFlags);
1510
1511 // Gets the window with the keyboard focus.
1512 // If childId is 0 and child is NULL, no object in
1513 // this subhierarchy has the focus.
1514 // If this object has the focus, child should be 'this'.
1515 virtual wxAccStatus GetFocus(int* childId, wxAccessible** child);
1516
1517 // Gets a variant representing the selected children
1518 // of this object.
1519 // Acceptable values:
1520 // - a null variant (IsNull() returns true)
1521 // - a list variant (GetType() == wxT("list")
1522 // - an integer representing the selected child element,
1523 // or 0 if this object is selected (GetType() == wxT("long")
1524 // - a "void*" pointer to a wxAccessible child object
1525 virtual wxAccStatus GetSelections(wxVariant* selections);
1526 };
1527
1528 #endif // wxUSE_ACCESSIBILITY
1529
1530
1531 #endif // _WX_WINDOW_H_BASE_