1 ///////////////////////////////////////////////////////////////////////////////
3 // Purpose: wxWindowBase class - the interface of wxWindow
4 // Author: Vadim Zeitlin
5 // Modified by: Ron Lee
8 // Copyright: (c) Vadim Zeitlin
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
12 #ifndef _WX_WINDOW_H_BASE_
13 #define _WX_WINDOW_H_BASE_
15 // ----------------------------------------------------------------------------
16 // headers which we must include here
17 // ----------------------------------------------------------------------------
19 #include "wx/event.h" // the base class
21 #include "wx/list.h" // defines wxWindowList
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"
30 #include "wx/validate.h" // for wxDefaultValidator (always include it)
33 #include "wx/palette.h"
34 #endif // wxUSE_PALETTE
40 #if wxUSE_ACCESSIBILITY
41 #include "wx/access.h"
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__
52 // ----------------------------------------------------------------------------
53 // forward declarations
54 // ----------------------------------------------------------------------------
56 class WXDLLEXPORT wxCaret
;
57 class WXDLLEXPORT wxControl
;
58 class WXDLLEXPORT wxCursor
;
59 class WXDLLEXPORT wxDC
;
60 class WXDLLEXPORT wxDropTarget
;
61 class WXDLLEXPORT wxItemResource
;
62 class WXDLLEXPORT wxLayoutConstraints
;
63 class WXDLLEXPORT wxResourceTable
;
64 class WXDLLEXPORT wxSizer
;
65 class WXDLLEXPORT wxToolTip
;
66 class WXDLLEXPORT wxWindowBase
;
67 class WXDLLEXPORT wxWindow
;
68 class WXDLLEXPORT wxScrollHelper
;
70 #if wxUSE_ACCESSIBILITY
71 class WXDLLEXPORT wxAccessible
;
74 // ----------------------------------------------------------------------------
75 // helper stuff used by wxWindow
76 // ----------------------------------------------------------------------------
78 // struct containing all the visual attributes of a control
79 struct WXDLLEXPORT wxVisualAttributes
81 // the font used for control label/text inside it
84 // the foreground colour
87 // the background colour, may be wxNullColour if the controls background
88 // colour is not solid
92 // different window variants, on platforms like eg mac uses different
96 wxWINDOW_VARIANT_NORMAL
, // Normal size
97 wxWINDOW_VARIANT_SMALL
, // Smaller size (about 25 % smaller than normal)
98 wxWINDOW_VARIANT_MINI
, // Mini size (about 33 % smaller than normal)
99 wxWINDOW_VARIANT_LARGE
, // Large size (about 25 % larger than normal)
103 #if wxUSE_SYSTEM_OPTIONS
104 #define wxWINDOW_DEFAULT_VARIANT wxT("window-default-variant")
107 // ----------------------------------------------------------------------------
108 // (pseudo)template list classes
109 // ----------------------------------------------------------------------------
111 WX_DECLARE_LIST_3(wxWindow
, wxWindowBase
, wxWindowList
, wxWindowListNode
, class WXDLLEXPORT
);
113 // ----------------------------------------------------------------------------
115 // ----------------------------------------------------------------------------
117 extern WXDLLEXPORT_DATA(wxWindowList
) wxTopLevelWindows
;
118 extern WXDLLIMPEXP_DATA_CORE(wxList
) wxPendingDelete
;
120 // ----------------------------------------------------------------------------
121 // wxWindowBase is the base class for all GUI controls/widgets, this is the public
122 // interface of this class.
124 // Event handler: windows have themselves as their event handlers by default,
125 // but their event handlers could be set to another object entirely. This
126 // separation can reduce the amount of derivation required, and allow
127 // alteration of a window's functionality (e.g. by a resource editor that
128 // temporarily switches event handlers).
129 // ----------------------------------------------------------------------------
131 class WXDLLEXPORT wxWindowBase
: public wxEvtHandler
134 // creating the window
135 // -------------------
137 // default ctor, initializes everything which can be initialized before
141 // pseudo ctor (can't be virtual, called from ctor)
142 bool CreateBase(wxWindowBase
*parent
,
144 const wxPoint
& pos
= wxDefaultPosition
,
145 const wxSize
& size
= wxDefaultSize
,
147 const wxValidator
& validator
= wxDefaultValidator
,
148 const wxString
& name
= wxPanelNameStr
);
150 virtual ~wxWindowBase();
152 // deleting the window
153 // -------------------
155 // ask the window to close itself, return true if the event handler
156 // honoured our request
157 bool Close( bool force
= false );
159 // the following functions delete the C++ objects (the window itself
160 // or its children) as well as the GUI windows and normally should
161 // never be used directly
163 // delete window unconditionally (dangerous!), returns true if ok
164 virtual bool Destroy();
165 // delete all children of this window, returns true if ok
166 bool DestroyChildren();
168 // is the window being deleted?
169 bool IsBeingDeleted() const { return m_isBeingDeleted
; }
174 // label is just the same as the title (but for, e.g., buttons it
175 // makes more sense to speak about labels), title access
176 // is available from wxTLW classes only (frames, dialogs)
177 virtual void SetLabel(const wxString
& label
) = 0;
178 virtual wxString
GetLabel() const = 0;
180 // the window name is used for ressource setting in X, it is not the
181 // same as the window title/label
182 virtual void SetName( const wxString
&name
) { m_windowName
= name
; }
183 virtual wxString
GetName() const { return m_windowName
; }
185 // sets the window variant, calls internally DoSetVariant if variant
187 void SetWindowVariant(wxWindowVariant variant
);
188 wxWindowVariant
GetWindowVariant() const { return m_windowVariant
; }
191 // window id uniquely identifies the window among its siblings unless
192 // it is wxID_ANY which means "don't care"
193 void SetId( wxWindowID winid
) { m_windowId
= winid
; }
194 wxWindowID
GetId() const { return m_windowId
; }
196 // get or change the layout direction (LTR or RTL) for this window,
197 // wxLayout_Default is returned if layout direction is not supported
198 virtual wxLayoutDirection
GetLayoutDirection() const
199 { return wxLayout_Default
; }
200 virtual void SetLayoutDirection(wxLayoutDirection
WXUNUSED(dir
))
203 // mirror coordinates for RTL layout if this window uses it and if the
204 // mirroring is not done automatically like Win32
205 virtual wxCoord
AdjustForLayoutDirection(wxCoord x
,
207 wxCoord widthTotal
) const;
209 // generate a control id for the controls which were not given one by
211 static int NewControlId() { return --ms_lastControlId
; }
212 // get the id of the control following the one with the given
213 // (autogenerated) id
214 static int NextControlId(int winid
) { return winid
- 1; }
215 // get the id of the control preceding the one with the given
216 // (autogenerated) id
217 static int PrevControlId(int winid
) { return winid
+ 1; }
222 // set the window size and/or position
223 void SetSize( int x
, int y
, int width
, int height
,
224 int sizeFlags
= wxSIZE_AUTO
)
225 { DoSetSize(x
, y
, width
, height
, sizeFlags
); }
227 void SetSize( int width
, int height
)
228 { DoSetSize( wxDefaultCoord
, wxDefaultCoord
, width
, height
, wxSIZE_USE_EXISTING
); }
230 void SetSize( const wxSize
& size
)
231 { SetSize( size
.x
, size
.y
); }
233 void SetSize(const wxRect
& rect
, int sizeFlags
= wxSIZE_AUTO
)
234 { DoSetSize(rect
.x
, rect
.y
, rect
.width
, rect
.height
, sizeFlags
); }
236 void Move(int x
, int y
, int flags
= wxSIZE_USE_EXISTING
)
237 { DoSetSize(x
, y
, wxDefaultCoord
, wxDefaultCoord
, flags
); }
239 void Move(const wxPoint
& pt
, int flags
= wxSIZE_USE_EXISTING
)
240 { Move(pt
.x
, pt
.y
, flags
); }
242 void SetPosition(const wxPoint
& pt
) { Move(pt
); }
245 virtual void Raise() = 0;
246 virtual void Lower() = 0;
248 // client size is the size of area available for subwindows
249 void SetClientSize( int width
, int height
)
250 { DoSetClientSize(width
, height
); }
252 void SetClientSize( const wxSize
& size
)
253 { DoSetClientSize(size
.x
, size
.y
); }
255 void SetClientSize(const wxRect
& rect
)
256 { SetClientSize( rect
.width
, rect
.height
); }
258 // get the window position (pointers may be NULL): notice that it is in
259 // client coordinates for child windows and screen coordinates for the
260 // top level ones, use GetScreenPosition() if you need screen
261 // coordinates for all kinds of windows
262 void GetPosition( int *x
, int *y
) const { DoGetPosition(x
, y
); }
263 wxPoint
GetPosition() const
266 DoGetPosition(&x
, &y
);
268 return wxPoint(x
, y
);
271 // get the window position in screen coordinates
272 void GetScreenPosition(int *x
, int *y
) const { DoGetScreenPosition(x
, y
); }
273 wxPoint
GetScreenPosition() const
276 DoGetScreenPosition(&x
, &y
);
278 return wxPoint(x
, y
);
281 // get the window size (pointers may be NULL)
282 void GetSize( int *w
, int *h
) const { DoGetSize(w
, h
); }
283 wxSize
GetSize() const
290 void GetClientSize( int *w
, int *h
) const { DoGetClientSize(w
, h
); }
291 wxSize
GetClientSize() const
294 DoGetClientSize(&w
, &h
);
299 // get the position and size at once
300 wxRect
GetRect() const
306 return wxRect(x
, y
, w
, h
);
309 wxRect
GetScreenRect() const
312 GetScreenPosition(&x
, &y
);
315 return wxRect(x
, y
, w
, h
);
318 // get the origin of the client area of the window relative to the
319 // window top left corner (the client area may be shifted because of
320 // the borders, scrollbars, other decorations...)
321 virtual wxPoint
GetClientAreaOrigin() const;
323 // get the client rectangle in window (i.e. client) coordinates
324 wxRect
GetClientRect() const
326 return wxRect(GetClientAreaOrigin(), GetClientSize());
329 // get the size best suited for the window (in fact, minimal
330 // acceptable size using which it will still look "nice" in
332 wxSize
GetBestSize() const
334 if (m_bestSizeCache
.IsFullySpecified())
335 return m_bestSizeCache
;
336 return DoGetBestSize();
338 void GetBestSize(int *w
, int *h
) const
340 wxSize s
= GetBestSize();
347 void SetScrollHelper( wxScrollHelper
*sh
) { m_scrollHelper
= sh
; }
348 wxScrollHelper
*GetScrollHelper() { return m_scrollHelper
; }
350 // reset the cached best size value so it will be recalculated the
351 // next time it is needed.
352 void InvalidateBestSize();
353 void CacheBestSize(const wxSize
& size
) const
354 { wxConstCast(this, wxWindowBase
)->m_bestSizeCache
= size
; }
357 // This function will merge the window's best size into the window's
358 // minimum size, giving priority to the min size components, and
359 // returns the results.
360 wxSize
GetEffectiveMinSize() const;
361 wxDEPRECATED( wxSize
GetBestFittingSize() const ); // replaced by GetEffectiveMinSize
363 // A 'Smart' SetSize that will fill in default size values with 'best'
364 // size. Sets the minsize to what was passed in.
365 void SetInitialSize(const wxSize
& size
=wxDefaultSize
);
366 wxDEPRECATED( void SetBestFittingSize(const wxSize
& size
=wxDefaultSize
) ); // replaced by SetInitialSize
369 // the generic centre function - centers the window on parent by`
370 // default or on screen if it doesn't have parent or
371 // wxCENTER_ON_SCREEN flag is given
372 void Centre(int dir
= wxBOTH
) { DoCentre(dir
); }
373 void Center(int dir
= wxBOTH
) { DoCentre(dir
); }
375 // centre with respect to the the parent window
376 void CentreOnParent(int dir
= wxBOTH
) { DoCentre(dir
); }
377 void CenterOnParent(int dir
= wxBOTH
) { CentreOnParent(dir
); }
379 // set window size to wrap around its children
382 // set virtual size to satisfy children
383 virtual void FitInside();
386 // SetSizeHints is actually for setting the size hints
387 // for the wxTLW for a Window Manager - hence the name -
388 // and it is therefore overridden in wxTLW to do that.
389 // In wxWindow(Base), it has (unfortunately) been abused
390 // to mean the same as SetMinSize() and SetMaxSize().
392 virtual void SetSizeHints( int minW
, int minH
,
393 int maxW
= wxDefaultCoord
, int maxH
= wxDefaultCoord
,
394 int incW
= wxDefaultCoord
, int incH
= wxDefaultCoord
)
395 { DoSetSizeHints(minW
, minH
, maxW
, maxH
, incW
, incH
); }
397 void SetSizeHints( const wxSize
& minSize
,
398 const wxSize
& maxSize
=wxDefaultSize
,
399 const wxSize
& incSize
=wxDefaultSize
)
400 { DoSetSizeHints(minSize
.x
, minSize
.y
, maxSize
.x
, maxSize
.y
, incSize
.x
, incSize
.y
); }
402 virtual void DoSetSizeHints( int minW
, int minH
,
404 int incW
, int incH
);
406 // Methods for setting virtual size hints
407 // FIXME: What are virtual size hints?
409 virtual void SetVirtualSizeHints( int minW
, int minH
,
410 int maxW
= wxDefaultCoord
, int maxH
= wxDefaultCoord
);
411 void SetVirtualSizeHints( const wxSize
& minSize
,
412 const wxSize
& maxSize
=wxDefaultSize
)
414 SetVirtualSizeHints(minSize
.x
, minSize
.y
, maxSize
.x
, maxSize
.y
);
418 // Call these to override what GetBestSize() returns. This
419 // method is only virtual because it is overriden in wxTLW
420 // as a different API for SetSizeHints().
421 virtual void SetMinSize(const wxSize
& minSize
) { m_minWidth
= minSize
.x
; m_minHeight
= minSize
.y
; }
422 virtual void SetMaxSize(const wxSize
& maxSize
) { m_maxWidth
= maxSize
.x
; m_maxHeight
= maxSize
.y
; }
424 // Override these methods to impose restrictions on min/max size.
425 // The easier way is to call SetMinSize() and SetMaxSize() which
426 // will have the same effect. Doing both is non-sense.
427 virtual wxSize
GetMinSize() const { return wxSize(m_minWidth
, m_minHeight
); }
428 virtual wxSize
GetMaxSize() const { return wxSize(m_maxWidth
, m_maxHeight
); }
430 // Get the min and max values one by one
431 int GetMinWidth() const { return GetMinSize().x
; }
432 int GetMinHeight() const { return GetMinSize().y
; }
433 int GetMaxWidth() const { return GetMaxSize().x
; }
434 int GetMaxHeight() const { return GetMaxSize().y
; }
437 // Methods for accessing the virtual size of a window. For most
438 // windows this is just the client area of the window, but for
439 // some like scrolled windows it is more or less independent of
440 // the screen window size. You may override the DoXXXVirtual
441 // methods below for classes where that is is the case.
443 void SetVirtualSize( const wxSize
&size
) { DoSetVirtualSize( size
.x
, size
.y
); }
444 void SetVirtualSize( int x
, int y
) { DoSetVirtualSize( x
, y
); }
446 wxSize
GetVirtualSize() const { return DoGetVirtualSize(); }
447 void GetVirtualSize( int *x
, int *y
) const
449 wxSize
s( DoGetVirtualSize() );
457 // Override these methods for windows that have a virtual size
458 // independent of their client size. eg. the virtual area of a
461 virtual void DoSetVirtualSize( int x
, int y
);
462 virtual wxSize
DoGetVirtualSize() const;
464 // Return the largest of ClientSize and BestSize (as determined
465 // by a sizer, interior children, or other means)
467 virtual wxSize
GetBestVirtualSize() const
469 wxSize
client( GetClientSize() );
470 wxSize
best( GetBestSize() );
472 return wxSize( wxMax( client
.x
, best
.x
), wxMax( client
.y
, best
.y
) );
478 // returns true if window was shown/hidden, false if the nothing was
479 // done (window was already shown/hidden)
480 virtual bool Show( bool show
= true );
481 bool Hide() { return Show(false); }
483 // returns true if window was enabled/disabled, false if nothing done
484 virtual bool Enable( bool enable
= true );
485 bool Disable() { return Enable(false); }
487 virtual bool IsShown() const { return m_isShown
; }
488 virtual bool IsEnabled() const { return m_isEnabled
; }
490 // returns true if the window is visible, i.e. IsShown() returns true
491 // if called on it and all its parents up to the first TLW
492 virtual bool IsShownOnScreen() const;
494 // get/set window style (setting style won't update the window and so
495 // is only useful for internal usage)
496 virtual void SetWindowStyleFlag( long style
) { m_windowStyle
= style
; }
497 virtual long GetWindowStyleFlag() const { return m_windowStyle
; }
499 // just some (somewhat shorter) synonims
500 void SetWindowStyle( long style
) { SetWindowStyleFlag(style
); }
501 long GetWindowStyle() const { return GetWindowStyleFlag(); }
503 bool HasFlag(int flag
) const { return (m_windowStyle
& flag
) != 0; }
504 virtual bool IsRetained() const { return HasFlag(wxRETAINED
); }
506 // extra style: the less often used style bits which can't be set with
507 // SetWindowStyleFlag()
508 virtual void SetExtraStyle(long exStyle
) { m_exStyle
= exStyle
; }
509 long GetExtraStyle() const { return m_exStyle
; }
511 // make the window modal (all other windows unresponsive)
512 virtual void MakeModal(bool modal
= true);
515 // (primitive) theming support
516 // ---------------------------
518 virtual void SetThemeEnabled(bool enableTheme
) { m_themeEnabled
= enableTheme
; }
519 virtual bool GetThemeEnabled() const { return m_themeEnabled
; }
522 // focus and keyboard handling
523 // ---------------------------
525 // set focus to this window
526 virtual void SetFocus() = 0;
528 // set focus to this window as the result of a keyboard action
529 virtual void SetFocusFromKbd() { SetFocus(); }
531 // return the window which currently has the focus or NULL
532 static wxWindow
*FindFocus();
534 static wxWindow
*DoFindFocus() /* = 0: implement in derived classes */;
536 // can this window have focus?
537 virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); }
539 // can this window be given focus by keyboard navigation? if not, the
540 // only way to give it focus (provided it accepts it at all) is to
542 virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); }
544 // navigates in the specified direction by sending a wxNavigationKeyEvent
545 virtual bool Navigate(int flags
= wxNavigationKeyEvent::IsForward
);
547 // move this window just before/after the specified one in tab order
548 // (the other window must be our sibling!)
549 void MoveBeforeInTabOrder(wxWindow
*win
)
550 { DoMoveInTabOrder(win
, MoveBefore
); }
551 void MoveAfterInTabOrder(wxWindow
*win
)
552 { DoMoveInTabOrder(win
, MoveAfter
); }
555 // parent/children relations
556 // -------------------------
558 // get the list of children
559 const wxWindowList
& GetChildren() const { return m_children
; }
560 wxWindowList
& GetChildren() { return m_children
; }
562 // needed just for extended runtime
563 const wxWindowList
& GetWindowChildren() const { return GetChildren() ; }
565 // get the parent or the parent of the parent
566 wxWindow
*GetParent() const { return m_parent
; }
567 inline wxWindow
*GetGrandParent() const;
569 // is this window a top level one?
570 virtual bool IsTopLevel() const;
572 // it doesn't really change parent, use Reparent() instead
573 void SetParent( wxWindowBase
*parent
) { m_parent
= (wxWindow
*)parent
; }
574 // change the real parent of this window, return true if the parent
575 // was changed, false otherwise (error or newParent == oldParent)
576 virtual bool Reparent( wxWindowBase
*newParent
);
578 // implementation mostly
579 virtual void AddChild( wxWindowBase
*child
);
580 virtual void RemoveChild( wxWindowBase
*child
);
582 // looking for windows
583 // -------------------
585 // find window among the descendants of this one either by id or by
586 // name (return NULL if not found)
587 wxWindow
*FindWindow(long winid
) const;
588 wxWindow
*FindWindow(const wxString
& name
) const;
590 // Find a window among any window (all return NULL if not found)
591 static wxWindow
*FindWindowById( long winid
, const wxWindow
*parent
= NULL
);
592 static wxWindow
*FindWindowByName( const wxString
& name
,
593 const wxWindow
*parent
= NULL
);
594 static wxWindow
*FindWindowByLabel( const wxString
& label
,
595 const wxWindow
*parent
= NULL
);
597 // event handler stuff
598 // -------------------
600 // get the current event handler
601 wxEvtHandler
*GetEventHandler() const { return m_eventHandler
; }
603 // replace the event handler (allows to completely subclass the
605 void SetEventHandler( wxEvtHandler
*handler
) { m_eventHandler
= handler
; }
607 // push/pop event handler: allows to chain a custom event handler to
608 // alreasy existing ones
609 void PushEventHandler( wxEvtHandler
*handler
);
610 wxEvtHandler
*PopEventHandler( bool deleteHandler
= false );
612 // find the given handler in the event handler chain and remove (but
613 // not delete) it from the event handler chain, return true if it was
614 // found and false otherwise (this also results in an assert failure so
615 // this function should only be called when the handler is supposed to
617 bool RemoveEventHandler(wxEvtHandler
*handler
);
623 // a window may have an associated validator which is used to control
625 virtual void SetValidator( const wxValidator
&validator
);
626 virtual wxValidator
*GetValidator() { return m_windowValidator
; }
627 #endif // wxUSE_VALIDATORS
630 // dialog oriented functions
631 // -------------------------
633 // validate the correctness of input, return true if ok
634 virtual bool Validate();
636 // transfer data between internal and GUI representations
637 virtual bool TransferDataToWindow();
638 virtual bool TransferDataFromWindow();
640 virtual void InitDialog();
645 virtual void SetAcceleratorTable( const wxAcceleratorTable
& accel
)
646 { m_acceleratorTable
= accel
; }
647 wxAcceleratorTable
*GetAcceleratorTable()
648 { return &m_acceleratorTable
; }
650 #endif // wxUSE_ACCEL
653 // hot keys (system wide accelerators)
654 // -----------------------------------
656 virtual bool RegisterHotKey(int hotkeyId
, int modifiers
, int keycode
);
657 virtual bool UnregisterHotKey(int hotkeyId
);
658 #endif // wxUSE_HOTKEY
661 // dialog units translations
662 // -------------------------
664 wxPoint
ConvertPixelsToDialog( const wxPoint
& pt
);
665 wxPoint
ConvertDialogToPixels( const wxPoint
& pt
);
666 wxSize
ConvertPixelsToDialog( const wxSize
& sz
)
668 wxPoint
pt(ConvertPixelsToDialog(wxPoint(sz
.x
, sz
.y
)));
670 return wxSize(pt
.x
, pt
.y
);
673 wxSize
ConvertDialogToPixels( const wxSize
& sz
)
675 wxPoint
pt(ConvertDialogToPixels(wxPoint(sz
.x
, sz
.y
)));
677 return wxSize(pt
.x
, pt
.y
);
683 // move the mouse to the specified position
684 virtual void WarpPointer(int x
, int y
) = 0;
686 // start or end mouse capture, these functions maintain the stack of
687 // windows having captured the mouse and after calling ReleaseMouse()
688 // the mouse is not released but returns to the window which had had
689 // captured it previously (if any)
693 // get the window which currently captures the mouse or NULL
694 static wxWindow
*GetCapture();
696 // does this window have the capture?
697 virtual bool HasCapture() const
698 { return (wxWindow
*)this == GetCapture(); }
700 // painting the window
701 // -------------------
703 // mark the specified rectangle (or the whole window) as "dirty" so it
705 virtual void Refresh( bool eraseBackground
= true,
706 const wxRect
*rect
= (const wxRect
*) NULL
) = 0;
708 // a less awkward wrapper for Refresh
709 void RefreshRect(const wxRect
& rect
, bool eraseBackground
= true)
711 Refresh(eraseBackground
, &rect
);
714 // repaint all invalid areas of the window immediately
715 virtual void Update() { }
717 // clear the window background
718 virtual void ClearBackground();
720 // freeze the window: don't redraw it until it is thawed
721 virtual void Freeze() { }
723 // thaw the window: redraw it after it had been frozen
724 virtual void Thaw() { }
726 // return true if window had been frozen and not unthawed yet
727 virtual bool IsFrozen() const { return false; }
729 // adjust DC for drawing on this window
730 virtual void PrepareDC( wxDC
& WXUNUSED(dc
) ) { }
732 // return true if the window contents is double buffered by the system
733 virtual bool IsDoubleBuffered() const { return false; }
735 // the update region of the window contains the areas which must be
736 // repainted by the program
737 const wxRegion
& GetUpdateRegion() const { return m_updateRegion
; }
738 wxRegion
& GetUpdateRegion() { return m_updateRegion
; }
740 // get the update rectangleregion bounding box in client coords
741 wxRect
GetUpdateClientRect() const;
743 // these functions verify whether the given point/rectangle belongs to
744 // (or at least intersects with) the update region
745 virtual bool DoIsExposed( int x
, int y
) const;
746 virtual bool DoIsExposed( int x
, int y
, int w
, int h
) const;
748 bool IsExposed( int x
, int y
) const
749 { return DoIsExposed(x
, y
); }
750 bool IsExposed( int x
, int y
, int w
, int h
) const
751 { return DoIsExposed(x
, y
, w
, h
); }
752 bool IsExposed( const wxPoint
& pt
) const
753 { return DoIsExposed(pt
.x
, pt
.y
); }
754 bool IsExposed( const wxRect
& rect
) const
755 { return DoIsExposed(rect
.x
, rect
.y
, rect
.width
, rect
.height
); }
757 // colours, fonts and cursors
758 // --------------------------
760 // get the default attributes for the controls of this class: we
761 // provide a virtual function which can be used to query the default
762 // attributes of an existing control and a static function which can
763 // be used even when no existing object of the given class is
764 // available, but which won't return any styles specific to this
765 // particular control, of course (e.g. "Ok" button might have
766 // different -- bold for example -- font)
767 virtual wxVisualAttributes
GetDefaultAttributes() const
769 return GetClassDefaultAttributes(GetWindowVariant());
772 static wxVisualAttributes
773 GetClassDefaultAttributes(wxWindowVariant variant
= wxWINDOW_VARIANT_NORMAL
);
775 // set/retrieve the window colours (system defaults are used by
776 // default): SetXXX() functions return true if colour was changed,
777 // SetDefaultXXX() reset the "m_inheritXXX" flag after setting the
778 // value to prevent it from being inherited by our children
779 virtual bool SetBackgroundColour(const wxColour
& colour
);
780 void SetOwnBackgroundColour(const wxColour
& colour
)
782 if ( SetBackgroundColour(colour
) )
783 m_inheritBgCol
= false;
785 wxColour
GetBackgroundColour() const;
786 bool InheritsBackgroundColour() const
788 return m_inheritBgCol
;
790 bool UseBgCol() const
795 virtual bool SetForegroundColour(const wxColour
& colour
);
796 void SetOwnForegroundColour(const wxColour
& colour
)
798 if ( SetForegroundColour(colour
) )
799 m_inheritFgCol
= false;
801 wxColour
GetForegroundColour() const;
803 // Set/get the background style.
804 // Pass one of wxBG_STYLE_SYSTEM, wxBG_STYLE_COLOUR, wxBG_STYLE_CUSTOM
805 virtual bool SetBackgroundStyle(wxBackgroundStyle style
) { m_backgroundStyle
= style
; return true; }
806 virtual wxBackgroundStyle
GetBackgroundStyle() const { return m_backgroundStyle
; }
808 // returns true if the control has "transparent" areas such as a
809 // wxStaticText and wxCheckBox and the background should be adapted
810 // from a parent window
811 virtual bool HasTransparentBackground() { return false; }
813 // set/retrieve the font for the window (SetFont() returns true if the
814 // font really changed)
815 virtual bool SetFont(const wxFont
& font
) = 0;
816 void SetOwnFont(const wxFont
& font
)
819 m_inheritFont
= false;
821 wxFont
GetFont() const;
823 // set/retrieve the cursor for this window (SetCursor() returns true
824 // if the cursor was really changed)
825 virtual bool SetCursor( const wxCursor
&cursor
);
826 const wxCursor
& GetCursor() const { return m_cursor
; }
829 // associate a caret with the window
830 void SetCaret(wxCaret
*caret
);
831 // get the current caret (may be NULL)
832 wxCaret
*GetCaret() const { return m_caret
; }
833 #endif // wxUSE_CARET
835 // get the (average) character size for the current font
836 virtual int GetCharHeight() const = 0;
837 virtual int GetCharWidth() const = 0;
839 // get the width/height/... of the text using current or specified
841 virtual void GetTextExtent(const wxString
& string
,
843 int *descent
= (int *) NULL
,
844 int *externalLeading
= (int *) NULL
,
845 const wxFont
*theFont
= (const wxFont
*) NULL
)
848 // client <-> screen coords
849 // ------------------------
851 // translate to/from screen/client coordinates (pointers may be NULL)
852 void ClientToScreen( int *x
, int *y
) const
853 { DoClientToScreen(x
, y
); }
854 void ScreenToClient( int *x
, int *y
) const
855 { DoScreenToClient(x
, y
); }
857 // wxPoint interface to do the same thing
858 wxPoint
ClientToScreen(const wxPoint
& pt
) const
860 int x
= pt
.x
, y
= pt
.y
;
861 DoClientToScreen(&x
, &y
);
863 return wxPoint(x
, y
);
866 wxPoint
ScreenToClient(const wxPoint
& pt
) const
868 int x
= pt
.x
, y
= pt
.y
;
869 DoScreenToClient(&x
, &y
);
871 return wxPoint(x
, y
);
874 // test where the given (in client coords) point lies
875 wxHitTest
HitTest(wxCoord x
, wxCoord y
) const
876 { return DoHitTest(x
, y
); }
878 wxHitTest
HitTest(const wxPoint
& pt
) const
879 { return DoHitTest(pt
.x
, pt
.y
); }
884 // get the window border style from the given flags: this is different from
885 // simply doing flags & wxBORDER_MASK because it uses GetDefaultBorder() to
886 // translate wxBORDER_DEFAULT to something reasonable
887 wxBorder
GetBorder(long flags
) const;
889 // get border for the flags of this window
890 wxBorder
GetBorder() const { return GetBorder(GetWindowStyleFlag()); }
892 // send wxUpdateUIEvents to this window, and children if recurse is true
893 virtual void UpdateWindowUI(long flags
= wxUPDATE_UI_NONE
);
895 // do the window-specific processing after processing the update event
896 virtual void DoUpdateWindowUI(wxUpdateUIEvent
& event
) ;
899 bool PopupMenu(wxMenu
*menu
, const wxPoint
& pos
= wxDefaultPosition
)
900 { return DoPopupMenu(menu
, pos
.x
, pos
.y
); }
901 bool PopupMenu(wxMenu
*menu
, int x
, int y
)
902 { return DoPopupMenu(menu
, x
, y
); }
903 #endif // wxUSE_MENUS
905 // override this method to return true for controls having multiple pages
906 virtual bool HasMultiplePages() const { return false; }
912 // does the window have the scrollbar for this orientation?
913 bool HasScrollbar(int orient
) const
915 return (m_windowStyle
&
916 (orient
== wxHORIZONTAL
? wxHSCROLL
: wxVSCROLL
)) != 0;
919 // configure the window scrollbars
920 virtual void SetScrollbar( int orient
,
924 bool refresh
= true ) = 0;
925 virtual void SetScrollPos( int orient
, int pos
, bool refresh
= true ) = 0;
926 virtual int GetScrollPos( int orient
) const = 0;
927 virtual int GetScrollThumb( int orient
) const = 0;
928 virtual int GetScrollRange( int orient
) const = 0;
930 // scroll window to the specified position
931 virtual void ScrollWindow( int dx
, int dy
,
932 const wxRect
* rect
= (wxRect
*) NULL
) = 0;
934 // scrolls window by line/page: note that not all controls support this
936 // return true if the position changed, false otherwise
937 virtual bool ScrollLines(int WXUNUSED(lines
)) { return false; }
938 virtual bool ScrollPages(int WXUNUSED(pages
)) { return false; }
940 // convenient wrappers for ScrollLines/Pages
941 bool LineUp() { return ScrollLines(-1); }
942 bool LineDown() { return ScrollLines(1); }
943 bool PageUp() { return ScrollPages(-1); }
944 bool PageDown() { return ScrollPages(1); }
946 // context-sensitive help
947 // ----------------------
949 // these are the convenience functions wrapping wxHelpProvider methods
952 // associate this help text with this window
953 void SetHelpText(const wxString
& text
);
954 // associate this help text with all windows with the same id as this
956 void SetHelpTextForId(const wxString
& text
);
957 // get the help string associated with the given position in this window
959 // notice that pt may be invalid if event origin is keyboard or unknown
960 // and this method should return the global window help text then
961 virtual wxString
GetHelpTextAtPoint(const wxPoint
& pt
,
962 wxHelpEvent::Origin origin
) const;
963 // returns the position-independent help text
964 wxString
GetHelpText() const
966 return GetHelpTextAtPoint(wxDefaultPosition
, wxHelpEvent::Origin_Unknown
);
970 // silently ignore SetHelpText() calls
971 void SetHelpText(const wxString
& WXUNUSED(text
)) { }
972 void SetHelpTextForId(const wxString
& WXUNUSED(text
)) { }
979 // the easiest way to set a tooltip for a window is to use this method
980 void SetToolTip( const wxString
&tip
);
981 // attach a tooltip to the window
982 void SetToolTip( wxToolTip
*tip
) { DoSetToolTip(tip
); }
983 // get the associated tooltip or NULL if none
984 wxToolTip
* GetToolTip() const { return m_tooltip
; }
985 wxString
GetToolTipText() const ;
987 // make it much easier to compile apps in an environment
988 // that doesn't support tooltips, such as PocketPC
989 inline void SetToolTip( const wxString
& WXUNUSED(tip
) ) {}
990 #endif // wxUSE_TOOLTIPS
994 #if wxUSE_DRAG_AND_DROP
995 // set/retrieve the drop target associated with this window (may be
996 // NULL; it's owned by the window and will be deleted by it)
997 virtual void SetDropTarget( wxDropTarget
*dropTarget
) = 0;
998 virtual wxDropTarget
*GetDropTarget() const { return m_dropTarget
; }
999 #endif // wxUSE_DRAG_AND_DROP
1001 // constraints and sizers
1002 // ----------------------
1003 #if wxUSE_CONSTRAINTS
1004 // set the constraints for this window or retrieve them (may be NULL)
1005 void SetConstraints( wxLayoutConstraints
*constraints
);
1006 wxLayoutConstraints
*GetConstraints() const { return m_constraints
; }
1008 // implementation only
1009 void UnsetConstraints(wxLayoutConstraints
*c
);
1010 wxWindowList
*GetConstraintsInvolvedIn() const
1011 { return m_constraintsInvolvedIn
; }
1012 void AddConstraintReference(wxWindowBase
*otherWin
);
1013 void RemoveConstraintReference(wxWindowBase
*otherWin
);
1014 void DeleteRelatedConstraints();
1015 void ResetConstraints();
1017 // these methods may be overridden for special layout algorithms
1018 virtual void SetConstraintSizes(bool recurse
= true);
1019 virtual bool LayoutPhase1(int *noChanges
);
1020 virtual bool LayoutPhase2(int *noChanges
);
1021 virtual bool DoPhase(int phase
);
1023 // these methods are virtual but normally won't be overridden
1024 virtual void SetSizeConstraint(int x
, int y
, int w
, int h
);
1025 virtual void MoveConstraint(int x
, int y
);
1026 virtual void GetSizeConstraint(int *w
, int *h
) const ;
1027 virtual void GetClientSizeConstraint(int *w
, int *h
) const ;
1028 virtual void GetPositionConstraint(int *x
, int *y
) const ;
1030 #endif // wxUSE_CONSTRAINTS
1032 // when using constraints or sizers, it makes sense to update
1033 // children positions automatically whenever the window is resized
1034 // - this is done if autoLayout is on
1035 void SetAutoLayout( bool autoLayout
) { m_autoLayout
= autoLayout
; }
1036 bool GetAutoLayout() const { return m_autoLayout
; }
1038 // lay out the window and its children
1039 virtual bool Layout();
1042 void SetSizer(wxSizer
*sizer
, bool deleteOld
= true );
1043 void SetSizerAndFit( wxSizer
*sizer
, bool deleteOld
= true );
1045 wxSizer
*GetSizer() const { return m_windowSizer
; }
1047 // Track if this window is a member of a sizer
1048 void SetContainingSizer(wxSizer
* sizer
);
1049 wxSizer
*GetContainingSizer() const { return m_containingSizer
; }
1052 // ----------------------
1053 #if wxUSE_ACCESSIBILITY
1054 // Override to create a specific accessible object.
1055 virtual wxAccessible
* CreateAccessible();
1057 // Sets the accessible object.
1058 void SetAccessible(wxAccessible
* accessible
) ;
1060 // Returns the accessible object.
1061 wxAccessible
* GetAccessible() { return m_accessible
; };
1063 // Returns the accessible object, creating if necessary.
1064 wxAccessible
* GetOrCreateAccessible() ;
1068 // Set window transparency if the platform supports it
1069 virtual bool SetTransparent(wxByte
WXUNUSED(alpha
)) { return false; }
1070 virtual bool CanSetTransparent() { return false; }
1077 void OnSysColourChanged( wxSysColourChangedEvent
& event
);
1078 void OnInitDialog( wxInitDialogEvent
&event
);
1079 void OnMiddleClick( wxMouseEvent
& event
);
1081 void OnHelp(wxHelpEvent
& event
);
1082 #endif // wxUSE_HELP
1084 // virtual function for implementing internal idle
1086 virtual void OnInternalIdle() {}
1088 // call internal idle recursively
1089 // void ProcessInternalIdle() ;
1091 // get the handle of the window for the underlying window system: this
1092 // is only used for wxWin itself or for user code which wants to call
1093 // platform-specific APIs
1094 virtual WXWidget
GetHandle() const = 0;
1095 // associate the window with a new native handle
1096 virtual void AssociateHandle(WXWidget
WXUNUSED(handle
)) { }
1097 // dissociate the current native handle from the window
1098 virtual void DissociateHandle() { }
1101 // Store the palette used by DCs in wxWindow so that the dcs can share
1102 // a palette. And we can respond to palette messages.
1103 wxPalette
GetPalette() const { return m_palette
; }
1105 // When palette is changed tell the DC to set the system palette to the
1107 void SetPalette(const wxPalette
& pal
);
1109 // return true if we have a specific palette
1110 bool HasCustomPalette() const { return m_hasCustomPalette
; }
1112 // return the first parent window with a custom palette or NULL
1113 wxWindow
*GetAncestorWithCustomPalette() const;
1114 #endif // wxUSE_PALETTE
1116 // inherit the parents visual attributes if they had been explicitly set
1117 // by the user (i.e. we don't inherit default attributes) and if we don't
1118 // have our own explicitly set
1119 virtual void InheritAttributes();
1121 // returns false from here if this window doesn't want to inherit the
1122 // parents colours even if InheritAttributes() would normally do it
1124 // this just provides a simple way to customize InheritAttributes()
1125 // behaviour in the most common case
1126 virtual bool ShouldInheritColours() const { return false; }
1129 // event handling specific to wxWindow
1130 virtual bool TryValidator(wxEvent
& event
);
1131 virtual bool TryParent(wxEvent
& event
);
1133 // common part of MoveBefore/AfterInTabOrder()
1136 MoveBefore
, // insert before the given window
1137 MoveAfter
// insert after the given window
1139 virtual void DoMoveInTabOrder(wxWindow
*win
, MoveKind move
);
1141 #if wxUSE_CONSTRAINTS
1142 // satisfy the constraints for the windows but don't set the window sizes
1143 void SatisfyConstraints();
1144 #endif // wxUSE_CONSTRAINTS
1146 // Send the wxWindowDestroyEvent
1147 void SendDestroyEvent();
1149 // returns the main window of composite control; this is the window
1150 // that FindFocus returns if the focus is in one of composite control's
1152 virtual wxWindow
*GetMainWindowOfCompositeControl()
1153 { return (wxWindow
*)this; }
1155 // the window id - a number which uniquely identifies a window among
1156 // its siblings unless it is wxID_ANY
1157 wxWindowID m_windowId
;
1159 // the parent window of this window (or NULL) and the list of the children
1162 wxWindowList m_children
;
1164 // the minimal allowed size for the window (no minimal size if variable(s)
1165 // contain(s) wxDefaultCoord)
1171 // event handler for this window: usually is just 'this' but may be
1172 // changed with SetEventHandler()
1173 wxEvtHandler
*m_eventHandler
;
1175 #if wxUSE_VALIDATORS
1176 // associated validator or NULL if none
1177 wxValidator
*m_windowValidator
;
1178 #endif // wxUSE_VALIDATORS
1180 #if wxUSE_DRAG_AND_DROP
1181 wxDropTarget
*m_dropTarget
;
1182 #endif // wxUSE_DRAG_AND_DROP
1184 // visual window attributes
1186 wxFont m_font
; // see m_hasFont
1187 wxColour m_backgroundColour
, // m_hasBgCol
1188 m_foregroundColour
; // m_hasFgCol
1192 #endif // wxUSE_CARET
1194 // the region which should be repainted in response to paint event
1195 wxRegion m_updateRegion
;
1198 // the accelerator table for the window which translates key strokes into
1200 wxAcceleratorTable m_acceleratorTable
;
1201 #endif // wxUSE_ACCEL
1203 // the tooltip for this window (may be NULL)
1205 wxToolTip
*m_tooltip
;
1206 #endif // wxUSE_TOOLTIPS
1208 // constraints and sizers
1209 #if wxUSE_CONSTRAINTS
1210 // the constraints for this window or NULL
1211 wxLayoutConstraints
*m_constraints
;
1213 // constraints this window is involved in
1214 wxWindowList
*m_constraintsInvolvedIn
;
1215 #endif // wxUSE_CONSTRAINTS
1217 // this window's sizer
1218 wxSizer
*m_windowSizer
;
1220 // The sizer this window is a member of, if any
1221 wxSizer
*m_containingSizer
;
1223 // Layout() window automatically when its size changes?
1224 bool m_autoLayout
:1;
1229 bool m_isBeingDeleted
:1;
1231 // was the window colours/font explicitly changed by user?
1236 // and should it be inherited by children?
1237 bool m_inheritBgCol
:1;
1238 bool m_inheritFgCol
:1;
1239 bool m_inheritFont
:1;
1241 // window attributes
1244 wxString m_windowName
;
1245 bool m_themeEnabled
;
1246 wxBackgroundStyle m_backgroundStyle
;
1248 wxPalette m_palette
;
1249 bool m_hasCustomPalette
;
1250 #endif // wxUSE_PALETTE
1252 #if wxUSE_ACCESSIBILITY
1253 wxAccessible
* m_accessible
;
1256 // Virtual size (scrolling)
1257 wxSize m_virtualSize
;
1259 wxScrollHelper
*m_scrollHelper
;
1261 int m_minVirtualWidth
; // VirtualSizeHints
1262 int m_minVirtualHeight
;
1263 int m_maxVirtualWidth
;
1264 int m_maxVirtualHeight
;
1266 wxWindowVariant m_windowVariant
;
1268 // override this to change the default (i.e. used when no style is
1269 // specified) border for the window class
1270 virtual wxBorder
GetDefaultBorder() const;
1272 // Get the default size for the new window if no explicit size given. TLWs
1273 // have their own default size so this is just for non top-level windows.
1274 static int WidthDefault(int w
) { return w
== wxDefaultCoord
? 20 : w
; }
1275 static int HeightDefault(int h
) { return h
== wxDefaultCoord
? 20 : h
; }
1278 // Used to save the results of DoGetBestSize so it doesn't need to be
1279 // recalculated each time the value is needed.
1280 wxSize m_bestSizeCache
;
1282 wxDEPRECATED( void SetBestSize(const wxSize
& size
) ); // use SetInitialSize
1283 wxDEPRECATED( virtual void SetInitialBestSize(const wxSize
& size
) ); // use SetInitialSize
1287 // more pure virtual functions
1288 // ---------------------------
1290 // NB: we must have DoSomething() function when Something() is an overloaded
1291 // method: indeed, we can't just have "virtual Something()" in case when
1292 // the function is overloaded because then we'd have to make virtual all
1293 // the variants (otherwise only the virtual function may be called on a
1294 // pointer to derived class according to C++ rules) which is, in
1295 // general, absolutely not needed. So instead we implement all
1296 // overloaded Something()s in terms of DoSomething() which will be the
1297 // only one to be virtual.
1299 // coordinates translation
1300 virtual void DoClientToScreen( int *x
, int *y
) const = 0;
1301 virtual void DoScreenToClient( int *x
, int *y
) const = 0;
1303 virtual wxHitTest
DoHitTest(wxCoord x
, wxCoord y
) const;
1305 // capture/release the mouse, used by Capture/ReleaseMouse()
1306 virtual void DoCaptureMouse() = 0;
1307 virtual void DoReleaseMouse() = 0;
1309 // retrieve the position/size of the window
1310 virtual void DoGetPosition(int *x
, int *y
) const = 0;
1311 virtual void DoGetScreenPosition(int *x
, int *y
) const;
1312 virtual void DoGetSize(int *width
, int *height
) const = 0;
1313 virtual void DoGetClientSize(int *width
, int *height
) const = 0;
1315 // get the size which best suits the window: for a control, it would be
1316 // the minimal size which doesn't truncate the control, for a panel - the
1317 // same size as it would have after a call to Fit()
1318 virtual wxSize
DoGetBestSize() const;
1320 // called from DoGetBestSize() to convert best virtual size (returned by
1321 // the window sizer) to the best size for the window itself; this is
1322 // overridden at wxScrolledWindow level to clump down virtual size to real
1323 virtual wxSize
GetWindowSizeForVirtualSize(const wxSize
& size
) const
1328 // this is the virtual function to be overriden in any derived class which
1329 // wants to change how SetSize() or Move() works - it is called by all
1330 // versions of these functions in the base class
1331 virtual void DoSetSize(int x
, int y
,
1332 int width
, int height
,
1333 int sizeFlags
= wxSIZE_AUTO
) = 0;
1335 // same as DoSetSize() for the client size
1336 virtual void DoSetClientSize(int width
, int height
) = 0;
1338 // move the window to the specified location and resize it: this is called
1339 // from both DoSetSize() and DoSetClientSize() and would usually just
1340 // reposition this window except for composite controls which will want to
1341 // arrange themselves inside the given rectangle
1343 // Important note: the coordinates passed to this method are in parent's
1344 // *window* coordinates and not parent's client coordinates (as the values
1345 // passed to DoSetSize and returned by DoGetPosition are)!
1346 virtual void DoMoveWindow(int x
, int y
, int width
, int height
) = 0;
1348 // centre the window in the specified direction on parent, note that
1349 // wxCENTRE_ON_SCREEN shouldn't be specified here, it only makes sense for
1351 virtual void DoCentre(int dir
);
1354 virtual void DoSetToolTip( wxToolTip
*tip
);
1355 #endif // wxUSE_TOOLTIPS
1358 virtual bool DoPopupMenu(wxMenu
*menu
, int x
, int y
) = 0;
1359 #endif // wxUSE_MENUS
1361 // Makes an adjustment to the window position to make it relative to the
1362 // parents client area, e.g. if the parent is a frame with a toolbar, its
1363 // (0, 0) is just below the toolbar
1364 virtual void AdjustForParentClientOrigin(int& x
, int& y
,
1365 int sizeFlags
= 0) const;
1367 // implements the window variants
1368 virtual void DoSetWindowVariant( wxWindowVariant variant
) ;
1370 // Must be called when mouse capture is lost to send
1371 // wxMouseCaptureLostEvent to windows on capture stack.
1372 static void NotifyCaptureLost();
1375 // contains the last id generated by NewControlId
1376 static int ms_lastControlId
;
1378 // the stack of windows which have captured the mouse
1379 static struct WXDLLEXPORT wxWindowNext
*ms_winCaptureNext
;
1380 // the window that currently has mouse capture
1381 static wxWindow
*ms_winCaptureCurrent
;
1382 // indicates if execution is inside CaptureMouse/ReleaseMouse
1383 static bool ms_winCaptureChanging
;
1385 DECLARE_ABSTRACT_CLASS(wxWindowBase
)
1386 DECLARE_NO_COPY_CLASS(wxWindowBase
)
1387 DECLARE_EVENT_TABLE()
1392 // Inlines for some deprecated methods
1393 inline wxSize
wxWindowBase::GetBestFittingSize() const
1395 return GetEffectiveMinSize();
1398 inline void wxWindowBase::SetBestFittingSize(const wxSize
& size
)
1400 SetInitialSize(size
);
1403 inline void wxWindowBase::SetBestSize(const wxSize
& size
)
1405 SetInitialSize(size
);
1408 inline void wxWindowBase::SetInitialBestSize(const wxSize
& size
)
1410 SetInitialSize(size
);
1414 // ----------------------------------------------------------------------------
1415 // now include the declaration of wxWindow class
1416 // ----------------------------------------------------------------------------
1418 // include the declaration of the platform-specific class
1419 #if defined(__WXPALMOS__)
1420 #ifdef __WXUNIVERSAL__
1421 #define wxWindowNative wxWindowPalm
1423 #define wxWindowPalm wxWindow
1424 #endif // wxUniv/!wxUniv
1425 #include "wx/palmos/window.h"
1426 #elif defined(__WXMSW__)
1427 #ifdef __WXUNIVERSAL__
1428 #define wxWindowNative wxWindowMSW
1430 #define wxWindowMSW wxWindow
1431 #endif // wxUniv/!wxUniv
1432 #include "wx/msw/window.h"
1433 #elif defined(__WXMOTIF__)
1434 #include "wx/motif/window.h"
1435 #elif defined(__WXGTK20__)
1436 #ifdef __WXUNIVERSAL__
1437 #define wxWindowNative wxWindowGTK
1439 #define wxWindowGTK wxWindow
1441 #include "wx/gtk/window.h"
1442 #elif defined(__WXGTK__)
1443 #ifdef __WXUNIVERSAL__
1444 #define wxWindowNative wxWindowGTK
1446 #define wxWindowGTK wxWindow
1448 #include "wx/gtk1/window.h"
1449 #elif defined(__WXX11__)
1450 #ifdef __WXUNIVERSAL__
1451 #define wxWindowNative wxWindowX11
1453 #define wxWindowX11 wxWindow
1455 #include "wx/x11/window.h"
1456 #elif defined(__WXMGL__)
1457 #define wxWindowNative wxWindowMGL
1458 #include "wx/mgl/window.h"
1459 #elif defined(__WXDFB__)
1460 #define wxWindowNative wxWindowDFB
1461 #include "wx/dfb/window.h"
1462 #elif defined(__WXMAC__)
1463 #ifdef __WXUNIVERSAL__
1464 #define wxWindowNative wxWindowMac
1466 #define wxWindowMac wxWindow
1468 #include "wx/mac/window.h"
1469 #elif defined(__WXCOCOA__)
1470 #ifdef __WXUNIVERSAL__
1471 #define wxWindowNative wxWindowCocoa
1473 #define wxWindowCocoa wxWindow
1475 #include "wx/cocoa/window.h"
1476 #elif defined(__WXPM__)
1477 #ifdef __WXUNIVERSAL__
1478 #define wxWindowNative wxWindowOS2
1480 #define wxWindowOS2 wxWindow
1481 #endif // wxUniv/!wxUniv
1482 #include "wx/os2/window.h"
1485 // for wxUniversal, we now derive the real wxWindow from wxWindow<platform>,
1486 // for the native ports we already have defined it above
1487 #if defined(__WXUNIVERSAL__)
1488 #ifndef wxWindowNative
1489 #error "wxWindowNative must be defined above!"
1492 #include "wx/univ/window.h"
1495 // ----------------------------------------------------------------------------
1496 // inline functions which couldn't be declared in the class body because of
1497 // forward dependencies
1498 // ----------------------------------------------------------------------------
1500 inline wxWindow
*wxWindowBase::GetGrandParent() const
1502 return m_parent
? m_parent
->GetParent() : (wxWindow
*)NULL
;
1505 // ----------------------------------------------------------------------------
1507 // ----------------------------------------------------------------------------
1509 // Find the wxWindow at the current mouse position, also returning the mouse
1511 extern WXDLLEXPORT wxWindow
* wxFindWindowAtPointer(wxPoint
& pt
);
1513 // Get the current mouse position.
1514 extern WXDLLEXPORT wxPoint
wxGetMousePosition();
1516 // get the currently active window of this application or NULL
1517 extern WXDLLEXPORT wxWindow
*wxGetActiveWindow();
1519 // get the (first) top level parent window
1520 WXDLLEXPORT wxWindow
* wxGetTopLevelParent(wxWindow
*win
);
1522 #if WXWIN_COMPATIBILITY_2_6
1523 // deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId()
1524 wxDEPRECATED( int NewControlId() );
1525 inline int NewControlId() { return wxWindowBase::NewControlId(); }
1526 #endif // WXWIN_COMPATIBILITY_2_6
1528 #if wxUSE_ACCESSIBILITY
1529 // ----------------------------------------------------------------------------
1530 // accessible object for windows
1531 // ----------------------------------------------------------------------------
1533 class WXDLLEXPORT wxWindowAccessible
: public wxAccessible
1536 wxWindowAccessible(wxWindow
* win
): wxAccessible(win
) { if (win
) win
->SetAccessible(this); }
1537 virtual ~wxWindowAccessible() {}
1541 // Can return either a child object, or an integer
1542 // representing the child element, starting from 1.
1543 virtual wxAccStatus
HitTest(const wxPoint
& pt
, int* childId
, wxAccessible
** childObject
);
1545 // Returns the rectangle for this object (id = 0) or a child element (id > 0).
1546 virtual wxAccStatus
GetLocation(wxRect
& rect
, int elementId
);
1548 // Navigates from fromId to toId/toObject.
1549 virtual wxAccStatus
Navigate(wxNavDir navDir
, int fromId
,
1550 int* toId
, wxAccessible
** toObject
);
1552 // Gets the name of the specified object.
1553 virtual wxAccStatus
GetName(int childId
, wxString
* name
);
1555 // Gets the number of children.
1556 virtual wxAccStatus
GetChildCount(int* childCount
);
1558 // Gets the specified child (starting from 1).
1559 // If *child is NULL and return value is wxACC_OK,
1560 // this means that the child is a simple element and
1561 // not an accessible object.
1562 virtual wxAccStatus
GetChild(int childId
, wxAccessible
** child
);
1564 // Gets the parent, or NULL.
1565 virtual wxAccStatus
GetParent(wxAccessible
** parent
);
1567 // Performs the default action. childId is 0 (the action for this object)
1568 // or > 0 (the action for a child).
1569 // Return wxACC_NOT_SUPPORTED if there is no default action for this
1570 // window (e.g. an edit control).
1571 virtual wxAccStatus
DoDefaultAction(int childId
);
1573 // Gets the default action for this object (0) or > 0 (the action for a child).
1574 // Return wxACC_OK even if there is no action. actionName is the action, or the empty
1575 // string if there is no action.
1576 // The retrieved string describes the action that is performed on an object,
1577 // not what the object does as a result. For example, a toolbar button that prints
1578 // a document has a default action of "Press" rather than "Prints the current document."
1579 virtual wxAccStatus
GetDefaultAction(int childId
, wxString
* actionName
);
1581 // Returns the description for this object or a child.
1582 virtual wxAccStatus
GetDescription(int childId
, wxString
* description
);
1584 // Returns help text for this object or a child, similar to tooltip text.
1585 virtual wxAccStatus
GetHelpText(int childId
, wxString
* helpText
);
1587 // Returns the keyboard shortcut for this object or child.
1588 // Return e.g. ALT+K
1589 virtual wxAccStatus
GetKeyboardShortcut(int childId
, wxString
* shortcut
);
1591 // Returns a role constant.
1592 virtual wxAccStatus
GetRole(int childId
, wxAccRole
* role
);
1594 // Returns a state constant.
1595 virtual wxAccStatus
GetState(int childId
, long* state
);
1597 // Returns a localized string representing the value for the object
1599 virtual wxAccStatus
GetValue(int childId
, wxString
* strValue
);
1601 // Selects the object or child.
1602 virtual wxAccStatus
Select(int childId
, wxAccSelectionFlags selectFlags
);
1604 // Gets the window with the keyboard focus.
1605 // If childId is 0 and child is NULL, no object in
1606 // this subhierarchy has the focus.
1607 // If this object has the focus, child should be 'this'.
1608 virtual wxAccStatus
GetFocus(int* childId
, wxAccessible
** child
);
1611 // Gets a variant representing the selected children
1613 // Acceptable values:
1614 // - a null variant (IsNull() returns true)
1615 // - a list variant (GetType() == wxT("list")
1616 // - an integer representing the selected child element,
1617 // or 0 if this object is selected (GetType() == wxT("long")
1618 // - a "void*" pointer to a wxAccessible child object
1619 virtual wxAccStatus
GetSelections(wxVariant
* selections
);
1620 #endif // wxUSE_VARIANT
1623 #endif // wxUSE_ACCESSIBILITY
1626 #endif // _WX_WINDOW_H_BASE_