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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 #include "wx/intl.h"
29
30 #include "wx/validate.h" // for wxDefaultValidator (always include it)
31
32 #if wxUSE_PALETTE
33 #include "wx/palette.h"
34 #endif // wxUSE_PALETTE
35
36 #if wxUSE_ACCEL
37 #include "wx/accel.h"
38 #endif // wxUSE_ACCEL
39
40 #if wxUSE_ACCESSIBILITY
41 #include "wx/access.h"
42 #endif
43
44 // when building wxUniv/Foo we don't want the code for native menu use to be
45 // compiled in - it should only be used when building real wxFoo
46 #ifdef __WXUNIVERSAL__
47 #define wxUSE_MENUS_NATIVE 0
48 #else // !__WXUNIVERSAL__
49 #define wxUSE_MENUS_NATIVE wxUSE_MENUS
50 #endif // __WXUNIVERSAL__/!__WXUNIVERSAL__
51
52
53 // Define this macro if the corresponding operating system handles the state
54 // of children windows automatically when the parent is enabled/disabled.
55 // Otherwise wx itself must ensure that when the parent is disabled its
56 // children are disabled too, and their initial state is restored when the
57 // parent is enabled back.
58 #if defined(__WXMSW__) || defined(__WXPM__)
59 // must do everything ourselves
60 #undef wxHAS_NATIVE_ENABLED_MANAGEMENT
61 #else
62 #define wxHAS_NATIVE_ENABLED_MANAGEMENT
63 #endif
64
65 // ----------------------------------------------------------------------------
66 // forward declarations
67 // ----------------------------------------------------------------------------
68
69 class WXDLLIMPEXP_FWD_CORE wxCaret;
70 class WXDLLIMPEXP_FWD_CORE wxControl;
71 class WXDLLIMPEXP_FWD_CORE wxCursor;
72 class WXDLLIMPEXP_FWD_CORE wxDC;
73 class WXDLLIMPEXP_FWD_CORE wxDropTarget;
74 class WXDLLIMPEXP_FWD_CORE wxLayoutConstraints;
75 class WXDLLIMPEXP_FWD_CORE wxSizer;
76 class WXDLLIMPEXP_FWD_CORE wxToolTip;
77 class WXDLLIMPEXP_FWD_CORE wxWindowBase;
78 class WXDLLIMPEXP_FWD_CORE wxWindow;
79 class WXDLLIMPEXP_FWD_CORE wxScrollHelper;
80
81 #if wxUSE_ACCESSIBILITY
82 class WXDLLIMPEXP_FWD_CORE wxAccessible;
83 #endif
84
85 // ----------------------------------------------------------------------------
86 // helper stuff used by wxWindow
87 // ----------------------------------------------------------------------------
88
89 // struct containing all the visual attributes of a control
90 struct WXDLLIMPEXP_CORE wxVisualAttributes
91 {
92 // the font used for control label/text inside it
93 wxFont font;
94
95 // the foreground colour
96 wxColour colFg;
97
98 // the background colour, may be wxNullColour if the controls background
99 // colour is not solid
100 wxColour colBg;
101 };
102
103 // different window variants, on platforms like eg mac uses different
104 // rendering sizes
105 enum wxWindowVariant
106 {
107 wxWINDOW_VARIANT_NORMAL, // Normal size
108 wxWINDOW_VARIANT_SMALL, // Smaller size (about 25 % smaller than normal)
109 wxWINDOW_VARIANT_MINI, // Mini size (about 33 % smaller than normal)
110 wxWINDOW_VARIANT_LARGE, // Large size (about 25 % larger than normal)
111 wxWINDOW_VARIANT_MAX
112 };
113
114 #if wxUSE_SYSTEM_OPTIONS
115 #define wxWINDOW_DEFAULT_VARIANT wxT("window-default-variant")
116 #endif
117
118 // valid values for Show/HideWithEffect()
119 enum wxShowEffect
120 {
121 wxSHOW_EFFECT_NONE,
122 wxSHOW_EFFECT_ROLL_TO_LEFT,
123 wxSHOW_EFFECT_ROLL_TO_RIGHT,
124 wxSHOW_EFFECT_ROLL_TO_TOP,
125 wxSHOW_EFFECT_ROLL_TO_BOTTOM,
126 wxSHOW_EFFECT_SLIDE_TO_LEFT,
127 wxSHOW_EFFECT_SLIDE_TO_RIGHT,
128 wxSHOW_EFFECT_SLIDE_TO_TOP,
129 wxSHOW_EFFECT_SLIDE_TO_BOTTOM,
130 wxSHOW_EFFECT_BLEND,
131 wxSHOW_EFFECT_EXPAND,
132 wxSHOW_EFFECT_MAX
133 };
134
135 // flags for SendSizeEvent()
136 enum
137 {
138 wxSEND_EVENT_POST = 1
139 };
140
141 // ----------------------------------------------------------------------------
142 // (pseudo)template list classes
143 // ----------------------------------------------------------------------------
144
145 WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLIMPEXP_CORE);
146
147 // ----------------------------------------------------------------------------
148 // global variables
149 // ----------------------------------------------------------------------------
150
151 extern WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
152
153 // declared here for compatibility only, main declaration is in wx/app.h
154 extern WXDLLIMPEXP_DATA_BASE(wxList) wxPendingDelete;
155
156 // ----------------------------------------------------------------------------
157 // wxWindowBase is the base class for all GUI controls/widgets, this is the public
158 // interface of this class.
159 //
160 // Event handler: windows have themselves as their event handlers by default,
161 // but their event handlers could be set to another object entirely. This
162 // separation can reduce the amount of derivation required, and allow
163 // alteration of a window's functionality (e.g. by a resource editor that
164 // temporarily switches event handlers).
165 // ----------------------------------------------------------------------------
166
167 class WXDLLIMPEXP_CORE wxWindowBase : public wxEvtHandler
168 {
169 public:
170 // creating the window
171 // -------------------
172
173 // default ctor, initializes everything which can be initialized before
174 // Create()
175 wxWindowBase() ;
176
177 virtual ~wxWindowBase();
178
179 // deleting the window
180 // -------------------
181
182 // ask the window to close itself, return true if the event handler
183 // honoured our request
184 bool Close( bool force = false );
185
186 // the following functions delete the C++ objects (the window itself
187 // or its children) as well as the GUI windows and normally should
188 // never be used directly
189
190 // delete window unconditionally (dangerous!), returns true if ok
191 virtual bool Destroy();
192 // delete all children of this window, returns true if ok
193 bool DestroyChildren();
194
195 // is the window being deleted?
196 bool IsBeingDeleted() const;
197
198 // window attributes
199 // -----------------
200
201 // label is just the same as the title (but for, e.g., buttons it
202 // makes more sense to speak about labels), title access
203 // is available from wxTLW classes only (frames, dialogs)
204 virtual void SetLabel(const wxString& label) = 0;
205 virtual wxString GetLabel() const = 0;
206
207 // the window name is used for ressource setting in X, it is not the
208 // same as the window title/label
209 virtual void SetName( const wxString &name ) { m_windowName = name; }
210 virtual wxString GetName() const { return m_windowName; }
211
212 // sets the window variant, calls internally DoSetVariant if variant
213 // has changed
214 void SetWindowVariant(wxWindowVariant variant);
215 wxWindowVariant GetWindowVariant() const { return m_windowVariant; }
216
217
218 // get or change the layout direction (LTR or RTL) for this window,
219 // wxLayout_Default is returned if layout direction is not supported
220 virtual wxLayoutDirection GetLayoutDirection() const
221 { return wxLayout_Default; }
222 virtual void SetLayoutDirection(wxLayoutDirection WXUNUSED(dir))
223 { }
224
225 // mirror coordinates for RTL layout if this window uses it and if the
226 // mirroring is not done automatically like Win32
227 virtual wxCoord AdjustForLayoutDirection(wxCoord x,
228 wxCoord width,
229 wxCoord widthTotal) const;
230
231
232 // window id uniquely identifies the window among its siblings unless
233 // it is wxID_ANY which means "don't care"
234 void SetId( wxWindowID winid ) { m_windowId = winid; }
235 wxWindowID GetId() const { return m_windowId; }
236
237 // generate a unique id (or count of them consecutively), returns a
238 // valid id in the auto-id range or wxID_NONE if failed. If using
239 // autoid management, it will mark the id as reserved until it is
240 // used (by assigning it to a wxWindowIDRef) or unreserved.
241 static wxWindowID NewControlId(int count = 1)
242 {
243 return wxIdManager::ReserveId(count);
244 }
245
246 // If an ID generated from NewControlId is not assigned to a wxWindowIDRef,
247 // it must be unreserved
248 static void UnreserveControlId(wxWindowID id, int count = 1)
249 {
250 wxIdManager::UnreserveId(id, count);
251 }
252
253
254 // moving/resizing
255 // ---------------
256
257 // set the window size and/or position
258 void SetSize( int x, int y, int width, int height,
259 int sizeFlags = wxSIZE_AUTO )
260 { DoSetSize(x, y, width, height, sizeFlags); }
261
262 void SetSize( int width, int height )
263 { DoSetSize( wxDefaultCoord, wxDefaultCoord, width, height, wxSIZE_USE_EXISTING ); }
264
265 void SetSize( const wxSize& size )
266 { SetSize( size.x, size.y); }
267
268 void SetSize(const wxRect& rect, int sizeFlags = wxSIZE_AUTO)
269 { DoSetSize(rect.x, rect.y, rect.width, rect.height, sizeFlags); }
270
271 void Move(int x, int y, int flags = wxSIZE_USE_EXISTING)
272 { DoSetSize(x, y, wxDefaultCoord, wxDefaultCoord, flags); }
273
274 void Move(const wxPoint& pt, int flags = wxSIZE_USE_EXISTING)
275 { Move(pt.x, pt.y, flags); }
276
277 void SetPosition(const wxPoint& pt) { Move(pt); }
278
279 // Z-order
280 virtual void Raise() = 0;
281 virtual void Lower() = 0;
282
283 // client size is the size of area available for subwindows
284 void SetClientSize( int width, int height )
285 { DoSetClientSize(width, height); }
286
287 void SetClientSize( const wxSize& size )
288 { DoSetClientSize(size.x, size.y); }
289
290 void SetClientSize(const wxRect& rect)
291 { SetClientSize( rect.width, rect.height ); }
292
293 // get the window position (pointers may be NULL): notice that it is in
294 // client coordinates for child windows and screen coordinates for the
295 // top level ones, use GetScreenPosition() if you need screen
296 // coordinates for all kinds of windows
297 void GetPosition( int *x, int *y ) const { DoGetPosition(x, y); }
298 wxPoint GetPosition() const
299 {
300 int x, y;
301 DoGetPosition(&x, &y);
302
303 return wxPoint(x, y);
304 }
305
306 // get the window position in screen coordinates
307 void GetScreenPosition(int *x, int *y) const { DoGetScreenPosition(x, y); }
308 wxPoint GetScreenPosition() const
309 {
310 int x, y;
311 DoGetScreenPosition(&x, &y);
312
313 return wxPoint(x, y);
314 }
315
316 // get the window size (pointers may be NULL)
317 void GetSize( int *w, int *h ) const { DoGetSize(w, h); }
318 wxSize GetSize() const
319 {
320 int w, h;
321 DoGetSize(& w, & h);
322 return wxSize(w, h);
323 }
324
325 void GetClientSize( int *w, int *h ) const { DoGetClientSize(w, h); }
326 wxSize GetClientSize() const
327 {
328 int w, h;
329 DoGetClientSize(&w, &h);
330
331 return wxSize(w, h);
332 }
333
334 // get the position and size at once
335 wxRect GetRect() const
336 {
337 int x, y, w, h;
338 GetPosition(&x, &y);
339 GetSize(&w, &h);
340
341 return wxRect(x, y, w, h);
342 }
343
344 wxRect GetScreenRect() const
345 {
346 int x, y, w, h;
347 GetScreenPosition(&x, &y);
348 GetSize(&w, &h);
349
350 return wxRect(x, y, w, h);
351 }
352
353 // get the origin of the client area of the window relative to the
354 // window top left corner (the client area may be shifted because of
355 // the borders, scrollbars, other decorations...)
356 virtual wxPoint GetClientAreaOrigin() const;
357
358 // get the client rectangle in window (i.e. client) coordinates
359 wxRect GetClientRect() const
360 {
361 return wxRect(GetClientAreaOrigin(), GetClientSize());
362 }
363
364 // client<->window size conversion
365 virtual wxSize ClientToWindowSize(const wxSize& size) const;
366 virtual wxSize WindowToClientSize(const wxSize& size) const;
367
368 // get the size best suited for the window (in fact, minimal
369 // acceptable size using which it will still look "nice" in
370 // most situations)
371 wxSize GetBestSize() const;
372
373 void GetBestSize(int *w, int *h) const
374 {
375 wxSize s = GetBestSize();
376 if ( w )
377 *w = s.x;
378 if ( h )
379 *h = s.y;
380 }
381
382 // Determine the best size in the other direction if one of them is
383 // fixed. This is used with windows that can wrap their contents and
384 // returns input-independent best size for the others.
385 int GetBestHeight(int width) const;
386 int GetBestWidth(int height) const;
387
388
389 void SetScrollHelper( wxScrollHelper *sh ) { m_scrollHelper = sh; }
390 wxScrollHelper *GetScrollHelper() { return m_scrollHelper; }
391
392 // reset the cached best size value so it will be recalculated the
393 // next time it is needed.
394 void InvalidateBestSize();
395 void CacheBestSize(const wxSize& size) const
396 { wxConstCast(this, wxWindowBase)->m_bestSizeCache = size; }
397
398
399 // This function will merge the window's best size into the window's
400 // minimum size, giving priority to the min size components, and
401 // returns the results.
402 virtual wxSize GetEffectiveMinSize() const;
403 wxDEPRECATED( wxSize GetBestFittingSize() const ); // replaced by GetEffectiveMinSize
404 wxDEPRECATED( wxSize GetAdjustedMinSize() const ); // replaced by GetEffectiveMinSize
405
406 // A 'Smart' SetSize that will fill in default size values with 'best'
407 // size. Sets the minsize to what was passed in.
408 void SetInitialSize(const wxSize& size=wxDefaultSize);
409 wxDEPRECATED( void SetBestFittingSize(const wxSize& size=wxDefaultSize) ); // replaced by SetInitialSize
410
411
412 // the generic centre function - centers the window on parent by`
413 // default or on screen if it doesn't have parent or
414 // wxCENTER_ON_SCREEN flag is given
415 void Centre(int dir = wxBOTH) { DoCentre(dir); }
416 void Center(int dir = wxBOTH) { DoCentre(dir); }
417
418 // centre with respect to the parent window
419 void CentreOnParent(int dir = wxBOTH) { DoCentre(dir); }
420 void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); }
421
422 // set window size to wrap around its children
423 virtual void Fit();
424
425 // set virtual size to satisfy children
426 virtual void FitInside();
427
428
429 // SetSizeHints is actually for setting the size hints
430 // for the wxTLW for a Window Manager - hence the name -
431 // and it is therefore overridden in wxTLW to do that.
432 // In wxWindow(Base), it has (unfortunately) been abused
433 // to mean the same as SetMinSize() and SetMaxSize().
434
435 virtual void SetSizeHints( int minW, int minH,
436 int maxW = wxDefaultCoord, int maxH = wxDefaultCoord,
437 int incW = wxDefaultCoord, int incH = wxDefaultCoord )
438 { DoSetSizeHints(minW, minH, maxW, maxH, incW, incH); }
439
440 void SetSizeHints( const wxSize& minSize,
441 const wxSize& maxSize=wxDefaultSize,
442 const wxSize& incSize=wxDefaultSize)
443 { DoSetSizeHints(minSize.x, minSize.y, maxSize.x, maxSize.y, incSize.x, incSize.y); }
444
445
446 #if WXWIN_COMPATIBILITY_2_8
447 // these are useless and do nothing since wxWidgets 2.9
448 wxDEPRECATED( virtual void SetVirtualSizeHints( int minW, int minH,
449 int maxW = wxDefaultCoord, int maxH = wxDefaultCoord ) );
450 wxDEPRECATED( void SetVirtualSizeHints( const wxSize& minSize,
451 const wxSize& maxSize=wxDefaultSize) );
452 #endif // WXWIN_COMPATIBILITY_2_8
453
454
455 // Call these to override what GetBestSize() returns. This
456 // method is only virtual because it is overridden in wxTLW
457 // as a different API for SetSizeHints().
458 virtual void SetMinSize(const wxSize& minSize);
459 virtual void SetMaxSize(const wxSize& maxSize);
460
461 // Like Set*Size, but for client, not window, size
462 virtual void SetMinClientSize(const wxSize& size)
463 { SetMinSize(ClientToWindowSize(size)); }
464 virtual void SetMaxClientSize(const wxSize& size)
465 { SetMaxSize(ClientToWindowSize(size)); }
466
467 // Override these methods to impose restrictions on min/max size.
468 // The easier way is to call SetMinSize() and SetMaxSize() which
469 // will have the same effect. Doing both is non-sense.
470 virtual wxSize GetMinSize() const { return wxSize(m_minWidth, m_minHeight); }
471 virtual wxSize GetMaxSize() const { return wxSize(m_maxWidth, m_maxHeight); }
472
473 // Like Get*Size, but for client, not window, size
474 virtual wxSize GetMinClientSize() const
475 { return WindowToClientSize(GetMinSize()); }
476 virtual wxSize GetMaxClientSize() const
477 { return WindowToClientSize(GetMaxSize()); }
478
479 // Get the min and max values one by one
480 int GetMinWidth() const { return GetMinSize().x; }
481 int GetMinHeight() const { return GetMinSize().y; }
482 int GetMaxWidth() const { return GetMaxSize().x; }
483 int GetMaxHeight() const { return GetMaxSize().y; }
484
485
486 // Methods for accessing the virtual size of a window. For most
487 // windows this is just the client area of the window, but for
488 // some like scrolled windows it is more or less independent of
489 // the screen window size. You may override the DoXXXVirtual
490 // methods below for classes where that is the case.
491
492 void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); }
493 void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); }
494
495 wxSize GetVirtualSize() const { return DoGetVirtualSize(); }
496 void GetVirtualSize( int *x, int *y ) const
497 {
498 wxSize s( DoGetVirtualSize() );
499
500 if( x )
501 *x = s.GetWidth();
502 if( y )
503 *y = s.GetHeight();
504 }
505
506 // Override these methods for windows that have a virtual size
507 // independent of their client size. eg. the virtual area of a
508 // wxScrolledWindow.
509
510 virtual void DoSetVirtualSize( int x, int y );
511 virtual wxSize DoGetVirtualSize() const;
512
513 // Return the largest of ClientSize and BestSize (as determined
514 // by a sizer, interior children, or other means)
515
516 virtual wxSize GetBestVirtualSize() const
517 {
518 wxSize client( GetClientSize() );
519 wxSize best( GetBestSize() );
520
521 return wxSize( wxMax( client.x, best.x ), wxMax( client.y, best.y ) );
522 }
523
524 // return the size of the left/right and top/bottom borders in x and y
525 // components of the result respectively
526 virtual wxSize GetWindowBorderSize() const;
527
528 // wxSizer and friends use this to give a chance to a component to recalc
529 // its min size once one of the final size components is known. Override
530 // this function when that is useful (such as for wxStaticText which can
531 // stretch over several lines). Parameter availableOtherDir
532 // tells the item how much more space there is available in the opposite
533 // direction (-1 if unknown).
534 virtual bool
535 InformFirstDirection(int direction, int size, int availableOtherDir);
536
537 // sends a size event to the window using its current size -- this has an
538 // effect of refreshing the window layout
539 //
540 // by default the event is sent, i.e. processed immediately, but if flags
541 // value includes wxSEND_EVENT_POST then it's posted, i.e. only schedule
542 // for later processing
543 virtual void SendSizeEvent(int flags = 0);
544
545 // this is a safe wrapper for GetParent()->SendSizeEvent(): it checks that
546 // we have a parent window and it's not in process of being deleted
547 //
548 // this is used by controls such as tool/status bars changes to which must
549 // also result in parent re-layout
550 void SendSizeEventToParent(int flags = 0);
551
552 // this is a more readable synonym for SendSizeEvent(wxSEND_EVENT_POST)
553 void PostSizeEvent() { SendSizeEvent(wxSEND_EVENT_POST); }
554
555 // this is the same as SendSizeEventToParent() but using PostSizeEvent()
556 void PostSizeEventToParent() { SendSizeEventToParent(wxSEND_EVENT_POST); }
557
558
559 // window state
560 // ------------
561
562 // returns true if window was shown/hidden, false if the nothing was
563 // done (window was already shown/hidden)
564 virtual bool Show( bool show = true );
565 bool Hide() { return Show(false); }
566
567 // show or hide the window with a special effect, not implemented on
568 // most platforms (where it is the same as Show()/Hide() respectively)
569 //
570 // timeout specifies how long the animation should take, in ms, the
571 // default value of 0 means to use the default (system-dependent) value
572 virtual bool ShowWithEffect(wxShowEffect WXUNUSED(effect),
573 unsigned WXUNUSED(timeout) = 0)
574 {
575 return Show();
576 }
577
578 virtual bool HideWithEffect(wxShowEffect WXUNUSED(effect),
579 unsigned WXUNUSED(timeout) = 0)
580 {
581 return Hide();
582 }
583
584 // returns true if window was enabled/disabled, false if nothing done
585 virtual bool Enable( bool enable = true );
586 bool Disable() { return Enable(false); }
587
588 virtual bool IsShown() const { return m_isShown; }
589 // returns true if the window is really enabled and false otherwise,
590 // whether because it had been explicitly disabled itself or because
591 // its parent is currently disabled -- then this method returns false
592 // whatever is the intrinsic state of this window, use IsThisEnabled(0
593 // to retrieve it. In other words, this relation always holds:
594 //
595 // IsEnabled() == IsThisEnabled() && parent.IsEnabled()
596 //
597 bool IsEnabled() const;
598
599 // returns the internal window state independently of the parent(s)
600 // state, i.e. the state in which the window would be if all its
601 // parents were enabled (use IsEnabled() above to get the effective
602 // window state)
603 bool IsThisEnabled() const { return m_isEnabled; }
604
605 // returns true if the window is visible, i.e. IsShown() returns true
606 // if called on it and all its parents up to the first TLW
607 virtual bool IsShownOnScreen() const;
608
609 // get/set window style (setting style won't update the window and so
610 // is only useful for internal usage)
611 virtual void SetWindowStyleFlag( long style ) { m_windowStyle = style; }
612 virtual long GetWindowStyleFlag() const { return m_windowStyle; }
613
614 // just some (somewhat shorter) synonyms
615 void SetWindowStyle( long style ) { SetWindowStyleFlag(style); }
616 long GetWindowStyle() const { return GetWindowStyleFlag(); }
617
618 // check if the flag is set
619 bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; }
620 virtual bool IsRetained() const { return HasFlag(wxRETAINED); }
621
622 // turn the flag on if it had been turned off before and vice versa,
623 // return true if the flag is currently turned on
624 bool ToggleWindowStyle(int flag);
625
626 // extra style: the less often used style bits which can't be set with
627 // SetWindowStyleFlag()
628 virtual void SetExtraStyle(long exStyle) { m_exStyle = exStyle; }
629 long GetExtraStyle() const { return m_exStyle; }
630
631 bool HasExtraStyle(int exFlag) const { return (m_exStyle & exFlag) != 0; }
632
633 #if WXWIN_COMPATIBILITY_2_8
634 // make the window modal (all other windows unresponsive)
635 wxDEPRECATED( virtual void MakeModal(bool modal = true) );
636 #endif
637
638 // (primitive) theming support
639 // ---------------------------
640
641 virtual void SetThemeEnabled(bool enableTheme) { m_themeEnabled = enableTheme; }
642 virtual bool GetThemeEnabled() const { return m_themeEnabled; }
643
644
645 // focus and keyboard handling
646 // ---------------------------
647
648 // set focus to this window
649 virtual void SetFocus() = 0;
650
651 // set focus to this window as the result of a keyboard action
652 virtual void SetFocusFromKbd() { SetFocus(); }
653
654 // return the window which currently has the focus or NULL
655 static wxWindow *FindFocus();
656
657 static wxWindow *DoFindFocus() /* = 0: implement in derived classes */;
658
659 // return true if the window has focus (handles composite windows
660 // correctly - returns true if GetMainWindowOfCompositeControl()
661 // has focus)
662 virtual bool HasFocus() const;
663
664 // can this window have focus in principle?
665 //
666 // the difference between AcceptsFocus[FromKeyboard]() and CanAcceptFocus
667 // [FromKeyboard]() is that the former functions are meant to be
668 // overridden in the derived classes to simply return false if the
669 // control can't have focus, while the latter are meant to be used by
670 // this class clients and take into account the current window state
671 virtual bool AcceptsFocus() const { return true; }
672
673 // can this window or one of its children accept focus?
674 //
675 // usually it's the same as AcceptsFocus() but is overridden for
676 // container windows
677 virtual bool AcceptsFocusRecursively() const { return AcceptsFocus(); }
678
679 // can this window be given focus by keyboard navigation? if not, the
680 // only way to give it focus (provided it accepts it at all) is to
681 // click it
682 virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); }
683
684
685 // this is mostly a helper for the various functions using it below
686 bool CanBeFocused() const { return IsShown() && IsEnabled(); }
687
688 // can this window itself have focus?
689 bool IsFocusable() const { return AcceptsFocus() && CanBeFocused(); }
690
691 // can this window have focus right now?
692 //
693 // if this method returns true, it means that calling SetFocus() will
694 // put focus either to this window or one of its children, if you need
695 // to know whether this window accepts focus itself, use IsFocusable()
696 bool CanAcceptFocus() const
697 { return AcceptsFocusRecursively() && CanBeFocused(); }
698
699 // can this window be assigned focus from keyboard right now?
700 bool CanAcceptFocusFromKeyboard() const
701 { return AcceptsFocusFromKeyboard() && CanBeFocused(); }
702
703 // call this when the return value of AcceptsFocus() changes
704 virtual void SetCanFocus(bool WXUNUSED(canFocus)) { }
705
706 // navigates inside this window
707 bool NavigateIn(int flags = wxNavigationKeyEvent::IsForward)
708 { return DoNavigateIn(flags); }
709
710 // navigates in the specified direction from this window, this is
711 // equivalent to GetParent()->NavigateIn()
712 bool Navigate(int flags = wxNavigationKeyEvent::IsForward)
713 { return m_parent && ((wxWindowBase *)m_parent)->DoNavigateIn(flags); }
714
715 // this function will generate the appropriate call to Navigate() if the
716 // key event is one normally used for keyboard navigation and return true
717 // in this case
718 bool HandleAsNavigationKey(const wxKeyEvent& event);
719
720 // move this window just before/after the specified one in tab order
721 // (the other window must be our sibling!)
722 void MoveBeforeInTabOrder(wxWindow *win)
723 { DoMoveInTabOrder(win, OrderBefore); }
724 void MoveAfterInTabOrder(wxWindow *win)
725 { DoMoveInTabOrder(win, OrderAfter); }
726
727
728 // parent/children relations
729 // -------------------------
730
731 // get the list of children
732 const wxWindowList& GetChildren() const { return m_children; }
733 wxWindowList& GetChildren() { return m_children; }
734
735 // needed just for extended runtime
736 const wxWindowList& GetWindowChildren() const { return GetChildren() ; }
737
738 // get the window before/after this one in the parents children list,
739 // returns NULL if this is the first/last window
740 wxWindow *GetPrevSibling() const { return DoGetSibling(OrderBefore); }
741 wxWindow *GetNextSibling() const { return DoGetSibling(OrderAfter); }
742
743 // get the parent or the parent of the parent
744 wxWindow *GetParent() const { return m_parent; }
745 inline wxWindow *GetGrandParent() const;
746
747 // is this window a top level one?
748 virtual bool IsTopLevel() const;
749
750 // is this window a child or grand child of this one (inside the same
751 // TLW)?
752 bool IsDescendant(wxWindowBase* win) const;
753
754 // it doesn't really change parent, use Reparent() instead
755 void SetParent( wxWindowBase *parent ) { m_parent = (wxWindow *)parent; }
756 // change the real parent of this window, return true if the parent
757 // was changed, false otherwise (error or newParent == oldParent)
758 virtual bool Reparent( wxWindowBase *newParent );
759
760 // implementation mostly
761 virtual void AddChild( wxWindowBase *child );
762 virtual void RemoveChild( wxWindowBase *child );
763
764 // returns true if the child is in the client area of the window, i.e. is
765 // not scrollbar, toolbar etc.
766 virtual bool IsClientAreaChild(const wxWindow *WXUNUSED(child)) const
767 { return true; }
768
769 // looking for windows
770 // -------------------
771
772 // find window among the descendants of this one either by id or by
773 // name (return NULL if not found)
774 wxWindow *FindWindow(long winid) const;
775 wxWindow *FindWindow(const wxString& name) const;
776
777 // Find a window among any window (all return NULL if not found)
778 static wxWindow *FindWindowById( long winid, const wxWindow *parent = NULL );
779 static wxWindow *FindWindowByName( const wxString& name,
780 const wxWindow *parent = NULL );
781 static wxWindow *FindWindowByLabel( const wxString& label,
782 const wxWindow *parent = NULL );
783
784 // event handler stuff
785 // -------------------
786
787 // get the current event handler
788 wxEvtHandler *GetEventHandler() const { return m_eventHandler; }
789
790 // replace the event handler (allows to completely subclass the
791 // window)
792 void SetEventHandler( wxEvtHandler *handler );
793
794 // push/pop event handler: allows to chain a custom event handler to
795 // alreasy existing ones
796 void PushEventHandler( wxEvtHandler *handler );
797 wxEvtHandler *PopEventHandler( bool deleteHandler = false );
798
799 // find the given handler in the event handler chain and remove (but
800 // not delete) it from the event handler chain, return true if it was
801 // found and false otherwise (this also results in an assert failure so
802 // this function should only be called when the handler is supposed to
803 // be there)
804 bool RemoveEventHandler(wxEvtHandler *handler);
805
806 // Process an event by calling GetEventHandler()->ProcessEvent(): this
807 // is a straightforward replacement for ProcessEvent() itself which
808 // shouldn't be used directly with windows as it doesn't take into
809 // account any event handlers associated with the window
810 bool ProcessWindowEvent(wxEvent& event)
811 { return GetEventHandler()->ProcessEvent(event); }
812
813 // Call GetEventHandler()->ProcessEventLocally(): this should be used
814 // instead of calling ProcessEventLocally() directly on the window
815 // itself as this wouldn't take any pushed event handlers into account
816 // correctly
817 bool ProcessWindowEventLocally(wxEvent& event)
818 { return GetEventHandler()->ProcessEventLocally(event); }
819
820 // Process an event by calling GetEventHandler()->ProcessEvent() and
821 // handling any exceptions thrown by event handlers. It's mostly useful
822 // when processing wx events when called from C code (e.g. in GTK+
823 // callback) when the exception wouldn't correctly propagate to
824 // wxEventLoop.
825 bool HandleWindowEvent(wxEvent& event) const;
826
827 // disable wxEvtHandler double-linked list mechanism:
828 virtual void SetNextHandler(wxEvtHandler *handler);
829 virtual void SetPreviousHandler(wxEvtHandler *handler);
830
831
832 // Watcom doesn't allow reducing access with using access declaration, see
833 // #10749
834 #ifndef __WATCOMC__
835 protected:
836
837 // NOTE: we change the access specifier of the following wxEvtHandler functions
838 // so that the user won't be able to call them directly.
839 // Calling wxWindow::ProcessEvent in fact only works when there are NO
840 // event handlers pushed on the window.
841 // To ensure correct operation, instead of wxWindow::ProcessEvent
842 // you must always call wxWindow::GetEventHandler()->ProcessEvent()
843 // or HandleWindowEvent().
844 // The same holds for all other wxEvtHandler functions.
845
846 using wxEvtHandler::ProcessEvent;
847 using wxEvtHandler::ProcessEventLocally;
848 #if wxUSE_THREADS
849 using wxEvtHandler::ProcessThreadEvent;
850 #endif
851 using wxEvtHandler::SafelyProcessEvent;
852 using wxEvtHandler::ProcessPendingEvents;
853 using wxEvtHandler::AddPendingEvent;
854 using wxEvtHandler::QueueEvent;
855 #endif // __WATCOMC__
856
857 public:
858
859 // validators
860 // ----------
861
862 #if wxUSE_VALIDATORS
863 // a window may have an associated validator which is used to control
864 // user input
865 virtual void SetValidator( const wxValidator &validator );
866 virtual wxValidator *GetValidator() { return m_windowValidator; }
867 #endif // wxUSE_VALIDATORS
868
869
870 // dialog oriented functions
871 // -------------------------
872
873 // validate the correctness of input, return true if ok
874 virtual bool Validate();
875
876 // transfer data between internal and GUI representations
877 virtual bool TransferDataToWindow();
878 virtual bool TransferDataFromWindow();
879
880 virtual void InitDialog();
881
882 #if wxUSE_ACCEL
883 // accelerators
884 // ------------
885 virtual void SetAcceleratorTable( const wxAcceleratorTable& accel )
886 { m_acceleratorTable = accel; }
887 wxAcceleratorTable *GetAcceleratorTable()
888 { return &m_acceleratorTable; }
889
890 #endif // wxUSE_ACCEL
891
892 #if wxUSE_HOTKEY
893 // hot keys (system wide accelerators)
894 // -----------------------------------
895
896 virtual bool RegisterHotKey(int hotkeyId, int modifiers, int keycode);
897 virtual bool UnregisterHotKey(int hotkeyId);
898 #endif // wxUSE_HOTKEY
899
900
901 // dialog units translations
902 // -------------------------
903
904 wxPoint ConvertPixelsToDialog( const wxPoint& pt ) const;
905 wxPoint ConvertDialogToPixels( const wxPoint& pt ) const;
906 wxSize ConvertPixelsToDialog( const wxSize& sz ) const
907 {
908 wxPoint pt(ConvertPixelsToDialog(wxPoint(sz.x, sz.y)));
909
910 return wxSize(pt.x, pt.y);
911 }
912
913 wxSize ConvertDialogToPixels( const wxSize& sz ) const
914 {
915 wxPoint pt(ConvertDialogToPixels(wxPoint(sz.x, sz.y)));
916
917 return wxSize(pt.x, pt.y);
918 }
919
920 // mouse functions
921 // ---------------
922
923 // move the mouse to the specified position
924 virtual void WarpPointer(int x, int y) = 0;
925
926 // start or end mouse capture, these functions maintain the stack of
927 // windows having captured the mouse and after calling ReleaseMouse()
928 // the mouse is not released but returns to the window which had had
929 // captured it previously (if any)
930 void CaptureMouse();
931 void ReleaseMouse();
932
933 // get the window which currently captures the mouse or NULL
934 static wxWindow *GetCapture();
935
936 // does this window have the capture?
937 virtual bool HasCapture() const
938 { return (wxWindow *)this == GetCapture(); }
939
940 // painting the window
941 // -------------------
942
943 // mark the specified rectangle (or the whole window) as "dirty" so it
944 // will be repainted
945 virtual void Refresh( bool eraseBackground = true,
946 const wxRect *rect = (const wxRect *) NULL ) = 0;
947
948 // a less awkward wrapper for Refresh
949 void RefreshRect(const wxRect& rect, bool eraseBackground = true)
950 {
951 Refresh(eraseBackground, &rect);
952 }
953
954 // repaint all invalid areas of the window immediately
955 virtual void Update() { }
956
957 // clear the window background
958 virtual void ClearBackground();
959
960 // freeze the window: don't redraw it until it is thawed
961 void Freeze();
962
963 // thaw the window: redraw it after it had been frozen
964 void Thaw();
965
966 // return true if window had been frozen and not unthawed yet
967 bool IsFrozen() const { return m_freezeCount != 0; }
968
969 // adjust DC for drawing on this window
970 virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { }
971
972 // return true if the window contents is double buffered by the system
973 virtual bool IsDoubleBuffered() const { return false; }
974
975 // the update region of the window contains the areas which must be
976 // repainted by the program
977 const wxRegion& GetUpdateRegion() const { return m_updateRegion; }
978 wxRegion& GetUpdateRegion() { return m_updateRegion; }
979
980 // get the update rectangleregion bounding box in client coords
981 wxRect GetUpdateClientRect() const;
982
983 // these functions verify whether the given point/rectangle belongs to
984 // (or at least intersects with) the update region
985 virtual bool DoIsExposed( int x, int y ) const;
986 virtual bool DoIsExposed( int x, int y, int w, int h ) const;
987
988 bool IsExposed( int x, int y ) const
989 { return DoIsExposed(x, y); }
990 bool IsExposed( int x, int y, int w, int h ) const
991 { return DoIsExposed(x, y, w, h); }
992 bool IsExposed( const wxPoint& pt ) const
993 { return DoIsExposed(pt.x, pt.y); }
994 bool IsExposed( const wxRect& rect ) const
995 { return DoIsExposed(rect.x, rect.y, rect.width, rect.height); }
996
997 // colours, fonts and cursors
998 // --------------------------
999
1000 // get the default attributes for the controls of this class: we
1001 // provide a virtual function which can be used to query the default
1002 // attributes of an existing control and a static function which can
1003 // be used even when no existing object of the given class is
1004 // available, but which won't return any styles specific to this
1005 // particular control, of course (e.g. "Ok" button might have
1006 // different -- bold for example -- font)
1007 virtual wxVisualAttributes GetDefaultAttributes() const
1008 {
1009 return GetClassDefaultAttributes(GetWindowVariant());
1010 }
1011
1012 static wxVisualAttributes
1013 GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
1014
1015 // set/retrieve the window colours (system defaults are used by
1016 // default): SetXXX() functions return true if colour was changed,
1017 // SetDefaultXXX() reset the "m_inheritXXX" flag after setting the
1018 // value to prevent it from being inherited by our children
1019 virtual bool SetBackgroundColour(const wxColour& colour);
1020 void SetOwnBackgroundColour(const wxColour& colour)
1021 {
1022 if ( SetBackgroundColour(colour) )
1023 m_inheritBgCol = false;
1024 }
1025 wxColour GetBackgroundColour() const;
1026 bool InheritsBackgroundColour() const
1027 {
1028 return m_inheritBgCol;
1029 }
1030 bool UseBgCol() const
1031 {
1032 return m_hasBgCol;
1033 }
1034
1035 virtual bool SetForegroundColour(const wxColour& colour);
1036 void SetOwnForegroundColour(const wxColour& colour)
1037 {
1038 if ( SetForegroundColour(colour) )
1039 m_inheritFgCol = false;
1040 }
1041 wxColour GetForegroundColour() const;
1042
1043 // Set/get the background style.
1044 virtual bool SetBackgroundStyle(wxBackgroundStyle style);
1045 wxBackgroundStyle GetBackgroundStyle() const
1046 { return m_backgroundStyle; }
1047
1048 // returns true if the control has "transparent" areas such as a
1049 // wxStaticText and wxCheckBox and the background should be adapted
1050 // from a parent window
1051 virtual bool HasTransparentBackground() { return false; }
1052
1053 // Returns true if background transparency is supported for this
1054 // window, i.e. if calling SetBackgroundStyle(wxBG_STYLE_TRANSPARENT)
1055 // has a chance of succeeding. If reason argument is non-NULL, returns a
1056 // user-readable explanation of why it isn't supported if the return
1057 // value is false.
1058 virtual bool IsTransparentBackgroundSupported(wxString* reason = NULL) const;
1059
1060 // set/retrieve the font for the window (SetFont() returns true if the
1061 // font really changed)
1062 virtual bool SetFont(const wxFont& font) = 0;
1063 void SetOwnFont(const wxFont& font)
1064 {
1065 if ( SetFont(font) )
1066 m_inheritFont = false;
1067 }
1068 wxFont GetFont() const;
1069
1070 // set/retrieve the cursor for this window (SetCursor() returns true
1071 // if the cursor was really changed)
1072 virtual bool SetCursor( const wxCursor &cursor );
1073 const wxCursor& GetCursor() const { return m_cursor; }
1074
1075 #if wxUSE_CARET
1076 // associate a caret with the window
1077 void SetCaret(wxCaret *caret);
1078 // get the current caret (may be NULL)
1079 wxCaret *GetCaret() const { return m_caret; }
1080 #endif // wxUSE_CARET
1081
1082 // get the (average) character size for the current font
1083 virtual int GetCharHeight() const = 0;
1084 virtual int GetCharWidth() const = 0;
1085
1086 // get the width/height/... of the text using current or specified
1087 // font
1088 void GetTextExtent(const wxString& string,
1089 int *x, int *y,
1090 int *descent = NULL,
1091 int *externalLeading = NULL,
1092 const wxFont *font = NULL) const
1093 {
1094 DoGetTextExtent(string, x, y, descent, externalLeading, font);
1095 }
1096
1097 wxSize GetTextExtent(const wxString& string) const
1098 {
1099 wxCoord w, h;
1100 GetTextExtent(string, &w, &h);
1101 return wxSize(w, h);
1102 }
1103
1104 // client <-> screen coords
1105 // ------------------------
1106
1107 // translate to/from screen/client coordinates (pointers may be NULL)
1108 void ClientToScreen( int *x, int *y ) const
1109 { DoClientToScreen(x, y); }
1110 void ScreenToClient( int *x, int *y ) const
1111 { DoScreenToClient(x, y); }
1112
1113 // wxPoint interface to do the same thing
1114 wxPoint ClientToScreen(const wxPoint& pt) const
1115 {
1116 int x = pt.x, y = pt.y;
1117 DoClientToScreen(&x, &y);
1118
1119 return wxPoint(x, y);
1120 }
1121
1122 wxPoint ScreenToClient(const wxPoint& pt) const
1123 {
1124 int x = pt.x, y = pt.y;
1125 DoScreenToClient(&x, &y);
1126
1127 return wxPoint(x, y);
1128 }
1129
1130 // test where the given (in client coords) point lies
1131 wxHitTest HitTest(wxCoord x, wxCoord y) const
1132 { return DoHitTest(x, y); }
1133
1134 wxHitTest HitTest(const wxPoint& pt) const
1135 { return DoHitTest(pt.x, pt.y); }
1136
1137 // misc
1138 // ----
1139
1140 // get the window border style from the given flags: this is different from
1141 // simply doing flags & wxBORDER_MASK because it uses GetDefaultBorder() to
1142 // translate wxBORDER_DEFAULT to something reasonable
1143 wxBorder GetBorder(long flags) const;
1144
1145 // get border for the flags of this window
1146 wxBorder GetBorder() const { return GetBorder(GetWindowStyleFlag()); }
1147
1148 // send wxUpdateUIEvents to this window, and children if recurse is true
1149 virtual void UpdateWindowUI(long flags = wxUPDATE_UI_NONE);
1150
1151 // do the window-specific processing after processing the update event
1152 virtual void DoUpdateWindowUI(wxUpdateUIEvent& event) ;
1153
1154 #if wxUSE_MENUS
1155 // show popup menu at the given position, generate events for the items
1156 // selected in it
1157 bool PopupMenu(wxMenu *menu, const wxPoint& pos = wxDefaultPosition)
1158 { return PopupMenu(menu, pos.x, pos.y); }
1159 bool PopupMenu(wxMenu *menu, int x, int y);
1160
1161 // simply return the id of the selected item or wxID_NONE without
1162 // generating any events
1163 int GetPopupMenuSelectionFromUser(wxMenu& menu,
1164 const wxPoint& pos = wxDefaultPosition)
1165 { return DoGetPopupMenuSelectionFromUser(menu, pos.x, pos.y); }
1166 int GetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
1167 { return DoGetPopupMenuSelectionFromUser(menu, x, y); }
1168 #endif // wxUSE_MENUS
1169
1170 // override this method to return true for controls having multiple pages
1171 virtual bool HasMultiplePages() const { return false; }
1172
1173
1174 // scrollbars
1175 // ----------
1176
1177 // can the window have the scrollbar in this orientation?
1178 bool CanScroll(int orient) const
1179 {
1180 return (m_windowStyle &
1181 (orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0;
1182 }
1183
1184 // does the window have the scrollbar in this orientation?
1185 bool HasScrollbar(int orient) const;
1186
1187 // configure the window scrollbars
1188 virtual void SetScrollbar( int orient,
1189 int pos,
1190 int thumbvisible,
1191 int range,
1192 bool refresh = true ) = 0;
1193 virtual void SetScrollPos( int orient, int pos, bool refresh = true ) = 0;
1194 virtual int GetScrollPos( int orient ) const = 0;
1195 virtual int GetScrollThumb( int orient ) const = 0;
1196 virtual int GetScrollRange( int orient ) const = 0;
1197
1198 // scroll window to the specified position
1199 virtual void ScrollWindow( int dx, int dy,
1200 const wxRect* rect = NULL ) = 0;
1201
1202 // scrolls window by line/page: note that not all controls support this
1203 //
1204 // return true if the position changed, false otherwise
1205 virtual bool ScrollLines(int WXUNUSED(lines)) { return false; }
1206 virtual bool ScrollPages(int WXUNUSED(pages)) { return false; }
1207
1208 // convenient wrappers for ScrollLines/Pages
1209 bool LineUp() { return ScrollLines(-1); }
1210 bool LineDown() { return ScrollLines(1); }
1211 bool PageUp() { return ScrollPages(-1); }
1212 bool PageDown() { return ScrollPages(1); }
1213
1214 // call this to always show one or both scrollbars, even if the window
1215 // is big enough to not require them
1216 virtual void AlwaysShowScrollbars(bool WXUNUSED(horz) = true,
1217 bool WXUNUSED(vert) = true)
1218 {
1219 }
1220
1221 // return true if AlwaysShowScrollbars() had been called before for the
1222 // corresponding orientation
1223 virtual bool IsScrollbarAlwaysShown(int WXUNUSED(orient)) const
1224 {
1225 return false;
1226 }
1227
1228 // context-sensitive help
1229 // ----------------------
1230
1231 // these are the convenience functions wrapping wxHelpProvider methods
1232
1233 #if wxUSE_HELP
1234 // associate this help text with this window
1235 void SetHelpText(const wxString& text);
1236
1237 #if WXWIN_COMPATIBILITY_2_8
1238 // Associate this help text with all windows with the same id as this one.
1239 // Don't use this, do wxHelpProvider::Get()->AddHelp(id, text);
1240 wxDEPRECATED( void SetHelpTextForId(const wxString& text) );
1241 #endif // WXWIN_COMPATIBILITY_2_8
1242
1243 // get the help string associated with the given position in this window
1244 //
1245 // notice that pt may be invalid if event origin is keyboard or unknown
1246 // and this method should return the global window help text then
1247 virtual wxString GetHelpTextAtPoint(const wxPoint& pt,
1248 wxHelpEvent::Origin origin) const;
1249 // returns the position-independent help text
1250 wxString GetHelpText() const
1251 {
1252 return GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Unknown);
1253 }
1254
1255 #else // !wxUSE_HELP
1256 // silently ignore SetHelpText() calls
1257 void SetHelpText(const wxString& WXUNUSED(text)) { }
1258 void SetHelpTextForId(const wxString& WXUNUSED(text)) { }
1259 #endif // wxUSE_HELP
1260
1261 // tooltips
1262 // --------
1263
1264 #if wxUSE_TOOLTIPS
1265 // the easiest way to set a tooltip for a window is to use this method
1266 void SetToolTip( const wxString &tip );
1267 // attach a tooltip to the window, pointer can be NULL to remove
1268 // existing tooltip
1269 void SetToolTip( wxToolTip *tip ) { DoSetToolTip(tip); }
1270 // more readable synonym for SetToolTip(NULL)
1271 void UnsetToolTip() { SetToolTip(NULL); }
1272 // get the associated tooltip or NULL if none
1273 wxToolTip* GetToolTip() const { return m_tooltip; }
1274 wxString GetToolTipText() const;
1275
1276 // Use the same tool tip as the given one (which can be NULL to indicate
1277 // that no tooltip should be used) for this window. This is currently only
1278 // used by wxCompositeWindow::DoSetToolTip() implementation and is not part
1279 // of the public wx API.
1280 //
1281 // Returns true if tip was valid and we copied it or false if it was NULL
1282 // and we reset our own tooltip too.
1283 bool CopyToolTip(wxToolTip *tip);
1284 #else // !wxUSE_TOOLTIPS
1285 // make it much easier to compile apps in an environment
1286 // that doesn't support tooltips, such as PocketPC
1287 void SetToolTip(const wxString & WXUNUSED(tip)) { }
1288 void UnsetToolTip() { }
1289 #endif // wxUSE_TOOLTIPS/!wxUSE_TOOLTIPS
1290
1291 // drag and drop
1292 // -------------
1293 #if wxUSE_DRAG_AND_DROP
1294 // set/retrieve the drop target associated with this window (may be
1295 // NULL; it's owned by the window and will be deleted by it)
1296 virtual void SetDropTarget( wxDropTarget *dropTarget ) = 0;
1297 virtual wxDropTarget *GetDropTarget() const { return m_dropTarget; }
1298
1299 // Accept files for dragging
1300 virtual void DragAcceptFiles(bool accept)
1301 #ifdef __WXMSW__
1302 // it does have common implementation but not for MSW which has its own
1303 // native version of it
1304 = 0
1305 #endif // __WXMSW__
1306 ;
1307
1308 #endif // wxUSE_DRAG_AND_DROP
1309
1310 // constraints and sizers
1311 // ----------------------
1312 #if wxUSE_CONSTRAINTS
1313 // set the constraints for this window or retrieve them (may be NULL)
1314 void SetConstraints( wxLayoutConstraints *constraints );
1315 wxLayoutConstraints *GetConstraints() const { return m_constraints; }
1316
1317 // implementation only
1318 void UnsetConstraints(wxLayoutConstraints *c);
1319 wxWindowList *GetConstraintsInvolvedIn() const
1320 { return m_constraintsInvolvedIn; }
1321 void AddConstraintReference(wxWindowBase *otherWin);
1322 void RemoveConstraintReference(wxWindowBase *otherWin);
1323 void DeleteRelatedConstraints();
1324 void ResetConstraints();
1325
1326 // these methods may be overridden for special layout algorithms
1327 virtual void SetConstraintSizes(bool recurse = true);
1328 virtual bool LayoutPhase1(int *noChanges);
1329 virtual bool LayoutPhase2(int *noChanges);
1330 virtual bool DoPhase(int phase);
1331
1332 // these methods are virtual but normally won't be overridden
1333 virtual void SetSizeConstraint(int x, int y, int w, int h);
1334 virtual void MoveConstraint(int x, int y);
1335 virtual void GetSizeConstraint(int *w, int *h) const ;
1336 virtual void GetClientSizeConstraint(int *w, int *h) const ;
1337 virtual void GetPositionConstraint(int *x, int *y) const ;
1338
1339 #endif // wxUSE_CONSTRAINTS
1340
1341 // when using constraints or sizers, it makes sense to update
1342 // children positions automatically whenever the window is resized
1343 // - this is done if autoLayout is on
1344 void SetAutoLayout( bool autoLayout ) { m_autoLayout = autoLayout; }
1345 bool GetAutoLayout() const { return m_autoLayout; }
1346
1347 // lay out the window and its children
1348 virtual bool Layout();
1349
1350 // sizers
1351 void SetSizer(wxSizer *sizer, bool deleteOld = true );
1352 void SetSizerAndFit( wxSizer *sizer, bool deleteOld = true );
1353
1354 wxSizer *GetSizer() const { return m_windowSizer; }
1355
1356 // Track if this window is a member of a sizer
1357 void SetContainingSizer(wxSizer* sizer);
1358 wxSizer *GetContainingSizer() const { return m_containingSizer; }
1359
1360 // accessibility
1361 // ----------------------
1362 #if wxUSE_ACCESSIBILITY
1363 // Override to create a specific accessible object.
1364 virtual wxAccessible* CreateAccessible();
1365
1366 // Sets the accessible object.
1367 void SetAccessible(wxAccessible* accessible) ;
1368
1369 // Returns the accessible object.
1370 wxAccessible* GetAccessible() { return m_accessible; }
1371
1372 // Returns the accessible object, creating if necessary.
1373 wxAccessible* GetOrCreateAccessible() ;
1374 #endif
1375
1376
1377 // Set window transparency if the platform supports it
1378 virtual bool SetTransparent(wxByte WXUNUSED(alpha)) { return false; }
1379 virtual bool CanSetTransparent() { return false; }
1380
1381
1382 // implementation
1383 // --------------
1384
1385 // event handlers
1386 void OnSysColourChanged( wxSysColourChangedEvent& event );
1387 void OnInitDialog( wxInitDialogEvent &event );
1388 void OnMiddleClick( wxMouseEvent& event );
1389 #if wxUSE_HELP
1390 void OnHelp(wxHelpEvent& event);
1391 #endif // wxUSE_HELP
1392
1393 // virtual function for implementing internal idle
1394 // behaviour
1395 virtual void OnInternalIdle();
1396
1397 // Send idle event to window and all subwindows
1398 // Returns true if more idle time is requested.
1399 virtual bool SendIdleEvents(wxIdleEvent& event);
1400
1401 // get the handle of the window for the underlying window system: this
1402 // is only used for wxWin itself or for user code which wants to call
1403 // platform-specific APIs
1404 virtual WXWidget GetHandle() const = 0;
1405 // associate the window with a new native handle
1406 virtual void AssociateHandle(WXWidget WXUNUSED(handle)) { }
1407 // dissociate the current native handle from the window
1408 virtual void DissociateHandle() { }
1409
1410 #if wxUSE_PALETTE
1411 // Store the palette used by DCs in wxWindow so that the dcs can share
1412 // a palette. And we can respond to palette messages.
1413 wxPalette GetPalette() const { return m_palette; }
1414
1415 // When palette is changed tell the DC to set the system palette to the
1416 // new one.
1417 void SetPalette(const wxPalette& pal);
1418
1419 // return true if we have a specific palette
1420 bool HasCustomPalette() const { return m_hasCustomPalette; }
1421
1422 // return the first parent window with a custom palette or NULL
1423 wxWindow *GetAncestorWithCustomPalette() const;
1424 #endif // wxUSE_PALETTE
1425
1426 // inherit the parents visual attributes if they had been explicitly set
1427 // by the user (i.e. we don't inherit default attributes) and if we don't
1428 // have our own explicitly set
1429 virtual void InheritAttributes();
1430
1431 // returns false from here if this window doesn't want to inherit the
1432 // parents colours even if InheritAttributes() would normally do it
1433 //
1434 // this just provides a simple way to customize InheritAttributes()
1435 // behaviour in the most common case
1436 virtual bool ShouldInheritColours() const { return false; }
1437
1438 // returns true if the window can be positioned outside of parent's client
1439 // area (normal windows can't, but e.g. menubar or statusbar can):
1440 virtual bool CanBeOutsideClientArea() const { return false; }
1441
1442 // returns true if the platform should explicitly apply a theme border. Currently
1443 // used only by Windows
1444 virtual bool CanApplyThemeBorder() const { return true; }
1445
1446 // returns the main window of composite control; this is the window
1447 // that FindFocus returns if the focus is in one of composite control's
1448 // windows
1449 virtual wxWindow *GetMainWindowOfCompositeControl()
1450 { return (wxWindow*)this; }
1451
1452 // If this function returns true, keyboard navigation events shouldn't
1453 // escape from it. A typical example of such "navigation domain" is a top
1454 // level window because pressing TAB in one of them must not transfer focus
1455 // to a different top level window. But it's not limited to them, e.g. MDI
1456 // children frames are not top level windows (and their IsTopLevel()
1457 // returns false) but still are self-contained navigation domains as well.
1458 virtual bool IsTopNavigationDomain() const { return false; }
1459
1460
1461 protected:
1462 // helper for the derived class Create() methods: the first overload, with
1463 // validator parameter, should be used for child windows while the second
1464 // one is used for top level ones
1465 bool CreateBase(wxWindowBase *parent,
1466 wxWindowID winid,
1467 const wxPoint& pos = wxDefaultPosition,
1468 const wxSize& size = wxDefaultSize,
1469 long style = 0,
1470 const wxValidator& validator = wxDefaultValidator,
1471 const wxString& name = wxPanelNameStr);
1472
1473 bool CreateBase(wxWindowBase *parent,
1474 wxWindowID winid,
1475 const wxPoint& pos,
1476 const wxSize& size,
1477 long style,
1478 const wxString& name);
1479
1480 // event handling specific to wxWindow
1481 virtual bool TryBefore(wxEvent& event);
1482 virtual bool TryAfter(wxEvent& event);
1483
1484 enum WindowOrder
1485 {
1486 OrderBefore, // insert before the given window
1487 OrderAfter // insert after the given window
1488 };
1489
1490 // common part of GetPrev/NextSibling()
1491 wxWindow *DoGetSibling(WindowOrder order) const;
1492
1493 // common part of MoveBefore/AfterInTabOrder()
1494 virtual void DoMoveInTabOrder(wxWindow *win, WindowOrder move);
1495
1496 // implementation of Navigate() and NavigateIn()
1497 virtual bool DoNavigateIn(int flags);
1498
1499 #if wxUSE_CONSTRAINTS
1500 // satisfy the constraints for the windows but don't set the window sizes
1501 void SatisfyConstraints();
1502 #endif // wxUSE_CONSTRAINTS
1503
1504 // Send the wxWindowDestroyEvent if not done yet and sets m_isBeingDeleted
1505 // to true
1506 void SendDestroyEvent();
1507
1508 // this method should be implemented to use operating system specific code
1509 // to really enable/disable the widget, it will only be called when we
1510 // really need to enable/disable window and so no additional checks on the
1511 // widgets state are necessary
1512 virtual void DoEnable(bool WXUNUSED(enable)) { }
1513
1514 // called when the on-screen widget state changes and provides an
1515 // an opportunity for the widget to update its visual state (colours,
1516 // fonts, anything else) as necessary
1517 virtual void OnEnabled(bool WXUNUSED(enabled)) { }
1518
1519
1520 // the window id - a number which uniquely identifies a window among
1521 // its siblings unless it is wxID_ANY
1522 wxWindowIDRef m_windowId;
1523
1524 // the parent window of this window (or NULL) and the list of the children
1525 // of this window
1526 wxWindow *m_parent;
1527 wxWindowList m_children;
1528
1529 // the minimal allowed size for the window (no minimal size if variable(s)
1530 // contain(s) wxDefaultCoord)
1531 int m_minWidth,
1532 m_minHeight,
1533 m_maxWidth,
1534 m_maxHeight;
1535
1536 // event handler for this window: usually is just 'this' but may be
1537 // changed with SetEventHandler()
1538 wxEvtHandler *m_eventHandler;
1539
1540 #if wxUSE_VALIDATORS
1541 // associated validator or NULL if none
1542 wxValidator *m_windowValidator;
1543 #endif // wxUSE_VALIDATORS
1544
1545 #if wxUSE_DRAG_AND_DROP
1546 wxDropTarget *m_dropTarget;
1547 #endif // wxUSE_DRAG_AND_DROP
1548
1549 // visual window attributes
1550 wxCursor m_cursor;
1551 wxFont m_font; // see m_hasFont
1552 wxColour m_backgroundColour, // m_hasBgCol
1553 m_foregroundColour; // m_hasFgCol
1554
1555 #if wxUSE_CARET
1556 wxCaret *m_caret;
1557 #endif // wxUSE_CARET
1558
1559 // the region which should be repainted in response to paint event
1560 wxRegion m_updateRegion;
1561
1562 #if wxUSE_ACCEL
1563 // the accelerator table for the window which translates key strokes into
1564 // command events
1565 wxAcceleratorTable m_acceleratorTable;
1566 #endif // wxUSE_ACCEL
1567
1568 // the tooltip for this window (may be NULL)
1569 #if wxUSE_TOOLTIPS
1570 wxToolTip *m_tooltip;
1571 #endif // wxUSE_TOOLTIPS
1572
1573 // constraints and sizers
1574 #if wxUSE_CONSTRAINTS
1575 // the constraints for this window or NULL
1576 wxLayoutConstraints *m_constraints;
1577
1578 // constraints this window is involved in
1579 wxWindowList *m_constraintsInvolvedIn;
1580 #endif // wxUSE_CONSTRAINTS
1581
1582 // this window's sizer
1583 wxSizer *m_windowSizer;
1584
1585 // The sizer this window is a member of, if any
1586 wxSizer *m_containingSizer;
1587
1588 // Layout() window automatically when its size changes?
1589 bool m_autoLayout:1;
1590
1591 // window state
1592 bool m_isShown:1;
1593 bool m_isEnabled:1;
1594 bool m_isBeingDeleted:1;
1595
1596 // was the window colours/font explicitly changed by user?
1597 bool m_hasBgCol:1;
1598 bool m_hasFgCol:1;
1599 bool m_hasFont:1;
1600
1601 // and should it be inherited by children?
1602 bool m_inheritBgCol:1;
1603 bool m_inheritFgCol:1;
1604 bool m_inheritFont:1;
1605
1606 // window attributes
1607 long m_windowStyle,
1608 m_exStyle;
1609 wxString m_windowName;
1610 bool m_themeEnabled;
1611 wxBackgroundStyle m_backgroundStyle;
1612 #if wxUSE_PALETTE
1613 wxPalette m_palette;
1614 bool m_hasCustomPalette;
1615 #endif // wxUSE_PALETTE
1616
1617 #if wxUSE_ACCESSIBILITY
1618 wxAccessible* m_accessible;
1619 #endif
1620
1621 // Virtual size (scrolling)
1622 wxSize m_virtualSize;
1623
1624 wxScrollHelper *m_scrollHelper;
1625
1626 wxWindowVariant m_windowVariant ;
1627
1628 // override this to change the default (i.e. used when no style is
1629 // specified) border for the window class
1630 virtual wxBorder GetDefaultBorder() const;
1631
1632 // this allows you to implement standard control borders without
1633 // repeating the code in different classes that are not derived from
1634 // wxControl
1635 virtual wxBorder GetDefaultBorderForControl() const { return wxBORDER_THEME; }
1636
1637 // Get the default size for the new window if no explicit size given. TLWs
1638 // have their own default size so this is just for non top-level windows.
1639 static int WidthDefault(int w) { return w == wxDefaultCoord ? 20 : w; }
1640 static int HeightDefault(int h) { return h == wxDefaultCoord ? 20 : h; }
1641
1642
1643 // Used to save the results of DoGetBestSize so it doesn't need to be
1644 // recalculated each time the value is needed.
1645 wxSize m_bestSizeCache;
1646
1647 wxDEPRECATED( void SetBestSize(const wxSize& size) ); // use SetInitialSize
1648 wxDEPRECATED( virtual void SetInitialBestSize(const wxSize& size) ); // use SetInitialSize
1649
1650
1651
1652 // more pure virtual functions
1653 // ---------------------------
1654
1655 // NB: we must have DoSomething() function when Something() is an overloaded
1656 // method: indeed, we can't just have "virtual Something()" in case when
1657 // the function is overloaded because then we'd have to make virtual all
1658 // the variants (otherwise only the virtual function may be called on a
1659 // pointer to derived class according to C++ rules) which is, in
1660 // general, absolutely not needed. So instead we implement all
1661 // overloaded Something()s in terms of DoSomething() which will be the
1662 // only one to be virtual.
1663
1664 // text extent
1665 virtual void DoGetTextExtent(const wxString& string,
1666 int *x, int *y,
1667 int *descent = NULL,
1668 int *externalLeading = NULL,
1669 const wxFont *font = NULL) const = 0;
1670
1671 // coordinates translation
1672 virtual void DoClientToScreen( int *x, int *y ) const = 0;
1673 virtual void DoScreenToClient( int *x, int *y ) const = 0;
1674
1675 virtual wxHitTest DoHitTest(wxCoord x, wxCoord y) const;
1676
1677 // capture/release the mouse, used by Capture/ReleaseMouse()
1678 virtual void DoCaptureMouse() = 0;
1679 virtual void DoReleaseMouse() = 0;
1680
1681 // retrieve the position/size of the window
1682 virtual void DoGetPosition(int *x, int *y) const = 0;
1683 virtual void DoGetScreenPosition(int *x, int *y) const;
1684 virtual void DoGetSize(int *width, int *height) const = 0;
1685 virtual void DoGetClientSize(int *width, int *height) const = 0;
1686
1687 // get the size which best suits the window: for a control, it would be
1688 // the minimal size which doesn't truncate the control, for a panel - the
1689 // same size as it would have after a call to Fit()
1690 virtual wxSize DoGetBestSize() const;
1691
1692 // this method can be overridden instead of DoGetBestSize() if it computes
1693 // the best size of the client area of the window only, excluding borders
1694 // (GetBorderSize() will be used to add them)
1695 virtual wxSize DoGetBestClientSize() const { return wxDefaultSize; }
1696
1697 // These two methods can be overridden to implement intelligent
1698 // width-for-height and/or height-for-width best size determination for the
1699 // window. By default the fixed best size is used.
1700 virtual int DoGetBestClientHeight(int WXUNUSED(width)) const
1701 { return wxDefaultCoord; }
1702 virtual int DoGetBestClientWidth(int WXUNUSED(height)) const
1703 { return wxDefaultCoord; }
1704
1705 // this is the virtual function to be overridden in any derived class which
1706 // wants to change how SetSize() or Move() works - it is called by all
1707 // versions of these functions in the base class
1708 virtual void DoSetSize(int x, int y,
1709 int width, int height,
1710 int sizeFlags = wxSIZE_AUTO) = 0;
1711
1712 // same as DoSetSize() for the client size
1713 virtual void DoSetClientSize(int width, int height) = 0;
1714
1715 virtual void DoSetSizeHints( int minW, int minH,
1716 int maxW, int maxH,
1717 int incW, int incH );
1718
1719 // return the total size of the window borders, i.e. the sum of the widths
1720 // of the left and the right border in the x component of the returned size
1721 // and the sum of the heights of the top and bottom borders in the y one
1722 //
1723 // NB: this is currently only implemented properly for wxMSW, wxGTK and
1724 // wxUniv and doesn't behave correctly in the presence of scrollbars in
1725 // the other ports
1726 virtual wxSize DoGetBorderSize() const;
1727
1728 // move the window to the specified location and resize it: this is called
1729 // from both DoSetSize() and DoSetClientSize() and would usually just
1730 // reposition this window except for composite controls which will want to
1731 // arrange themselves inside the given rectangle
1732 //
1733 // Important note: the coordinates passed to this method are in parent's
1734 // *window* coordinates and not parent's client coordinates (as the values
1735 // passed to DoSetSize and returned by DoGetPosition are)!
1736 virtual void DoMoveWindow(int x, int y, int width, int height) = 0;
1737
1738 // centre the window in the specified direction on parent, note that
1739 // wxCENTRE_ON_SCREEN shouldn't be specified here, it only makes sense for
1740 // TLWs
1741 virtual void DoCentre(int dir);
1742
1743 #if wxUSE_TOOLTIPS
1744 virtual void DoSetToolTip( wxToolTip *tip );
1745 #endif // wxUSE_TOOLTIPS
1746
1747 #if wxUSE_MENUS
1748 virtual bool DoPopupMenu(wxMenu *menu, int x, int y) = 0;
1749 #endif // wxUSE_MENUS
1750
1751 // Makes an adjustment to the window position to make it relative to the
1752 // parents client area, e.g. if the parent is a frame with a toolbar, its
1753 // (0, 0) is just below the toolbar
1754 virtual void AdjustForParentClientOrigin(int& x, int& y,
1755 int sizeFlags = 0) const;
1756
1757 // implements the window variants
1758 virtual void DoSetWindowVariant( wxWindowVariant variant ) ;
1759
1760
1761 // really freeze/thaw the window (should have port-specific implementation)
1762 virtual void DoFreeze() { }
1763 virtual void DoThaw() { }
1764
1765
1766 // Must be called when mouse capture is lost to send
1767 // wxMouseCaptureLostEvent to windows on capture stack.
1768 static void NotifyCaptureLost();
1769
1770 private:
1771 // recursively call our own and our children OnEnabled() when the
1772 // enabled/disabled status changed because a parent window had been
1773 // enabled/disabled
1774 void NotifyWindowOnEnableChange(bool enabled);
1775
1776 #if wxUSE_MENUS
1777 // temporary event handlers used by GetPopupMenuSelectionFromUser()
1778 void InternalOnPopupMenu(wxCommandEvent& event);
1779 void InternalOnPopupMenuUpdate(wxUpdateUIEvent& event);
1780
1781 // implementation of the public GetPopupMenuSelectionFromUser() method
1782 int DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
1783 #endif // wxUSE_MENUS
1784
1785 // layout the window children when its size changes unless this was
1786 // explicitly disabled with SetAutoLayout(false)
1787 void InternalOnSize(wxSizeEvent& event);
1788
1789 // base for dialog unit conversion, i.e. average character size
1790 wxSize GetDlgUnitBase() const;
1791
1792 // the stack of windows which have captured the mouse
1793 static struct WXDLLIMPEXP_FWD_CORE wxWindowNext *ms_winCaptureNext;
1794
1795 // the window that currently has mouse capture
1796 static wxWindow *ms_winCaptureCurrent;
1797
1798 // indicates if execution is inside CaptureMouse/ReleaseMouse
1799 static bool ms_winCaptureChanging;
1800
1801
1802 // number of Freeze() calls minus the number of Thaw() calls: we're frozen
1803 // (i.e. not being updated) if it is positive
1804 unsigned int m_freezeCount;
1805
1806
1807 DECLARE_ABSTRACT_CLASS(wxWindowBase)
1808 wxDECLARE_NO_COPY_CLASS(wxWindowBase);
1809 DECLARE_EVENT_TABLE()
1810 };
1811
1812
1813
1814 // Inlines for some deprecated methods
1815 inline wxSize wxWindowBase::GetBestFittingSize() const
1816 {
1817 return GetEffectiveMinSize();
1818 }
1819
1820 inline void wxWindowBase::SetBestFittingSize(const wxSize& size)
1821 {
1822 SetInitialSize(size);
1823 }
1824
1825 inline void wxWindowBase::SetBestSize(const wxSize& size)
1826 {
1827 SetInitialSize(size);
1828 }
1829
1830 inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
1831 {
1832 SetInitialSize(size);
1833 }
1834
1835
1836 // ----------------------------------------------------------------------------
1837 // now include the declaration of wxWindow class
1838 // ----------------------------------------------------------------------------
1839
1840 // include the declaration of the platform-specific class
1841 #if defined(__WXMSW__)
1842 #ifdef __WXUNIVERSAL__
1843 #define wxWindowNative wxWindowMSW
1844 #else // !wxUniv
1845 #define wxWindowMSW wxWindow
1846 #endif // wxUniv/!wxUniv
1847 #include "wx/msw/window.h"
1848 #elif defined(__WXMOTIF__)
1849 #include "wx/motif/window.h"
1850 #elif defined(__WXGTK20__)
1851 #ifdef __WXUNIVERSAL__
1852 #define wxWindowNative wxWindowGTK
1853 #else // !wxUniv
1854 #define wxWindowGTK wxWindow
1855 #endif // wxUniv
1856 #include "wx/gtk/window.h"
1857 #elif defined(__WXGTK__)
1858 #ifdef __WXUNIVERSAL__
1859 #define wxWindowNative wxWindowGTK
1860 #else // !wxUniv
1861 #define wxWindowGTK wxWindow
1862 #endif // wxUniv
1863 #include "wx/gtk1/window.h"
1864 #elif defined(__WXX11__)
1865 #ifdef __WXUNIVERSAL__
1866 #define wxWindowNative wxWindowX11
1867 #else // !wxUniv
1868 #define wxWindowX11 wxWindow
1869 #endif // wxUniv
1870 #include "wx/x11/window.h"
1871 #elif defined(__WXDFB__)
1872 #define wxWindowNative wxWindowDFB
1873 #include "wx/dfb/window.h"
1874 #elif defined(__WXMAC__)
1875 #ifdef __WXUNIVERSAL__
1876 #define wxWindowNative wxWindowMac
1877 #else // !wxUniv
1878 #define wxWindowMac wxWindow
1879 #endif // wxUniv
1880 #include "wx/osx/window.h"
1881 #elif defined(__WXCOCOA__)
1882 #ifdef __WXUNIVERSAL__
1883 #define wxWindowNative wxWindowCocoa
1884 #else // !wxUniv
1885 #define wxWindowCocoa wxWindow
1886 #endif // wxUniv
1887 #include "wx/cocoa/window.h"
1888 #elif defined(__WXPM__)
1889 #ifdef __WXUNIVERSAL__
1890 #define wxWindowNative wxWindowOS2
1891 #else // !wxUniv
1892 #define wxWindowOS2 wxWindow
1893 #endif // wxUniv/!wxUniv
1894 #include "wx/os2/window.h"
1895 #endif
1896
1897 // for wxUniversal, we now derive the real wxWindow from wxWindow<platform>,
1898 // for the native ports we already have defined it above
1899 #if defined(__WXUNIVERSAL__)
1900 #ifndef wxWindowNative
1901 #error "wxWindowNative must be defined above!"
1902 #endif
1903
1904 #include "wx/univ/window.h"
1905 #endif // wxUniv
1906
1907 // ----------------------------------------------------------------------------
1908 // inline functions which couldn't be declared in the class body because of
1909 // forward dependencies
1910 // ----------------------------------------------------------------------------
1911
1912 inline wxWindow *wxWindowBase::GetGrandParent() const
1913 {
1914 return m_parent ? m_parent->GetParent() : NULL;
1915 }
1916
1917 // ----------------------------------------------------------------------------
1918 // global functions
1919 // ----------------------------------------------------------------------------
1920
1921 // Find the wxWindow at the current mouse position, also returning the mouse
1922 // position.
1923 extern WXDLLIMPEXP_CORE wxWindow* wxFindWindowAtPointer(wxPoint& pt);
1924
1925 // Get the current mouse position.
1926 extern WXDLLIMPEXP_CORE wxPoint wxGetMousePosition();
1927
1928 // get the currently active window of this application or NULL
1929 extern WXDLLIMPEXP_CORE wxWindow *wxGetActiveWindow();
1930
1931 // get the (first) top level parent window
1932 WXDLLIMPEXP_CORE wxWindow* wxGetTopLevelParent(wxWindow *win);
1933
1934 #if WXWIN_COMPATIBILITY_2_6
1935 // deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId()
1936 wxDEPRECATED( wxWindowID NewControlId() );
1937 inline wxWindowID NewControlId() { return wxWindowBase::NewControlId(); }
1938 #endif // WXWIN_COMPATIBILITY_2_6
1939
1940 #if wxUSE_ACCESSIBILITY
1941 // ----------------------------------------------------------------------------
1942 // accessible object for windows
1943 // ----------------------------------------------------------------------------
1944
1945 class WXDLLIMPEXP_CORE wxWindowAccessible: public wxAccessible
1946 {
1947 public:
1948 wxWindowAccessible(wxWindow* win): wxAccessible(win) { if (win) win->SetAccessible(this); }
1949 virtual ~wxWindowAccessible() {}
1950
1951 // Overridables
1952
1953 // Can return either a child object, or an integer
1954 // representing the child element, starting from 1.
1955 virtual wxAccStatus HitTest(const wxPoint& pt, int* childId, wxAccessible** childObject);
1956
1957 // Returns the rectangle for this object (id = 0) or a child element (id > 0).
1958 virtual wxAccStatus GetLocation(wxRect& rect, int elementId);
1959
1960 // Navigates from fromId to toId/toObject.
1961 virtual wxAccStatus Navigate(wxNavDir navDir, int fromId,
1962 int* toId, wxAccessible** toObject);
1963
1964 // Gets the name of the specified object.
1965 virtual wxAccStatus GetName(int childId, wxString* name);
1966
1967 // Gets the number of children.
1968 virtual wxAccStatus GetChildCount(int* childCount);
1969
1970 // Gets the specified child (starting from 1).
1971 // If *child is NULL and return value is wxACC_OK,
1972 // this means that the child is a simple element and
1973 // not an accessible object.
1974 virtual wxAccStatus GetChild(int childId, wxAccessible** child);
1975
1976 // Gets the parent, or NULL.
1977 virtual wxAccStatus GetParent(wxAccessible** parent);
1978
1979 // Performs the default action. childId is 0 (the action for this object)
1980 // or > 0 (the action for a child).
1981 // Return wxACC_NOT_SUPPORTED if there is no default action for this
1982 // window (e.g. an edit control).
1983 virtual wxAccStatus DoDefaultAction(int childId);
1984
1985 // Gets the default action for this object (0) or > 0 (the action for a child).
1986 // Return wxACC_OK even if there is no action. actionName is the action, or the empty
1987 // string if there is no action.
1988 // The retrieved string describes the action that is performed on an object,
1989 // not what the object does as a result. For example, a toolbar button that prints
1990 // a document has a default action of "Press" rather than "Prints the current document."
1991 virtual wxAccStatus GetDefaultAction(int childId, wxString* actionName);
1992
1993 // Returns the description for this object or a child.
1994 virtual wxAccStatus GetDescription(int childId, wxString* description);
1995
1996 // Returns help text for this object or a child, similar to tooltip text.
1997 virtual wxAccStatus GetHelpText(int childId, wxString* helpText);
1998
1999 // Returns the keyboard shortcut for this object or child.
2000 // Return e.g. ALT+K
2001 virtual wxAccStatus GetKeyboardShortcut(int childId, wxString* shortcut);
2002
2003 // Returns a role constant.
2004 virtual wxAccStatus GetRole(int childId, wxAccRole* role);
2005
2006 // Returns a state constant.
2007 virtual wxAccStatus GetState(int childId, long* state);
2008
2009 // Returns a localized string representing the value for the object
2010 // or child.
2011 virtual wxAccStatus GetValue(int childId, wxString* strValue);
2012
2013 // Selects the object or child.
2014 virtual wxAccStatus Select(int childId, wxAccSelectionFlags selectFlags);
2015
2016 // Gets the window with the keyboard focus.
2017 // If childId is 0 and child is NULL, no object in
2018 // this subhierarchy has the focus.
2019 // If this object has the focus, child should be 'this'.
2020 virtual wxAccStatus GetFocus(int* childId, wxAccessible** child);
2021
2022 #if wxUSE_VARIANT
2023 // Gets a variant representing the selected children
2024 // of this object.
2025 // Acceptable values:
2026 // - a null variant (IsNull() returns true)
2027 // - a list variant (GetType() == wxT("list")
2028 // - an integer representing the selected child element,
2029 // or 0 if this object is selected (GetType() == wxT("long")
2030 // - a "void*" pointer to a wxAccessible child object
2031 virtual wxAccStatus GetSelections(wxVariant* selections);
2032 #endif // wxUSE_VARIANT
2033 };
2034
2035 #endif // wxUSE_ACCESSIBILITY
2036
2037
2038 #endif // _WX_WINDOW_H_BASE_