we are always compositing on the supported OS versions, add transparency for individu...
[wxWidgets.git] / include / wx / mac / carbon / window.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: include/wx/mac/carbon/window.h
3 // Purpose: wxWindowMac class
4 // Author: Stefan Csomor
5 // Modified by:
6 // Created: 1998-01-01
7 // RCS-ID: $Id$
8 // Copyright: (c) Stefan Csomor
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_WINDOW_H_
13 #define _WX_WINDOW_H_
14
15 #include "wx/brush.h"
16 #include "wx/dc.h"
17
18 class WXDLLEXPORT wxButton;
19 class WXDLLEXPORT wxScrollBar;
20 class WXDLLEXPORT wxTopLevelWindowMac;
21
22 class wxMacControl ;
23
24 class WXDLLEXPORT wxWindowMac: public wxWindowBase
25 {
26 DECLARE_DYNAMIC_CLASS(wxWindowMac)
27
28 friend class wxDC;
29 friend class wxPaintDC;
30
31 public:
32 wxWindowMac();
33
34 wxWindowMac( wxWindowMac *parent,
35 wxWindowID id,
36 const wxPoint& pos = wxDefaultPosition,
37 const wxSize& size = wxDefaultSize,
38 long style = 0,
39 const wxString& name = wxPanelNameStr );
40
41 virtual ~wxWindowMac();
42
43 bool Create( wxWindowMac *parent,
44 wxWindowID id,
45 const wxPoint& pos = wxDefaultPosition,
46 const wxSize& size = wxDefaultSize,
47 long style = 0,
48 const wxString& name = wxPanelNameStr );
49
50 // implement base class pure virtuals
51 virtual void SetLabel( const wxString& label );
52 virtual wxString GetLabel() const;
53
54 virtual void Raise();
55 virtual void Lower();
56
57 virtual bool Show( bool show = true );
58 virtual bool Enable( bool enable = true );
59
60 virtual void SetFocus();
61
62 virtual void WarpPointer( int x, int y );
63
64 virtual void Refresh( bool eraseBackground = true,
65 const wxRect *rect = NULL );
66 virtual void Freeze();
67 virtual void Thaw();
68
69 virtual void Update() ;
70 virtual void ClearBackground();
71
72 virtual bool SetCursor( const wxCursor &cursor );
73 virtual bool SetFont( const wxFont &font );
74 virtual bool SetBackgroundColour( const wxColour &colour );
75 virtual bool SetForegroundColour( const wxColour &colour );
76
77 virtual int GetCharHeight() const;
78 virtual int GetCharWidth() const;
79 virtual void GetTextExtent( const wxString& string,
80 int *x, int *y,
81 int *descent = NULL,
82 int *externalLeading = NULL,
83 const wxFont *theFont = NULL )
84 const;
85 protected:
86 virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
87 public:
88 virtual void SetScrollbar( int orient, int pos, int thumbVisible,
89 int range, bool refresh = true );
90 virtual void SetScrollPos( int orient, int pos, bool refresh = true );
91 virtual int GetScrollPos( int orient ) const;
92 virtual int GetScrollThumb( int orient ) const;
93 virtual int GetScrollRange( int orient ) const;
94 virtual void ScrollWindow( int dx, int dy,
95 const wxRect* rect = (wxRect *) NULL );
96 virtual bool Reparent( wxWindowBase *newParent );
97
98 #if wxUSE_DRAG_AND_DROP
99 virtual void SetDropTarget( wxDropTarget *dropTarget );
100 #endif
101
102 // Accept files for dragging
103 virtual void DragAcceptFiles( bool accept );
104
105 // implementation from now on
106 // --------------------------
107
108 void MacClientToRootWindow( int *x , int *y ) const;
109 void MacRootWindowToClient( int *x , int *y ) const;
110
111 void MacWindowToRootWindow( int *x , int *y ) const;
112 void MacWindowToRootWindow( short *x , short *y ) const;
113
114 void MacRootWindowToWindow( int *x , int *y ) const;
115 void MacRootWindowToWindow( short *x , short *y ) const;
116
117 virtual wxString MacGetToolTipString( wxPoint &where );
118
119 // simple accessors
120 // ----------------
121
122 virtual WXWidget GetHandle() const;
123
124 virtual bool SetTransparent(wxByte alpha);
125 virtual bool CanSetTransparent();
126 virtual wxByte GetTransparent() const ;
127
128 #if WXWIN_COMPATIBILITY_2_4
129 bool GetTransparentBackground() const { return m_backgroundTransparent; }
130 void SetTransparent(bool t = true) { m_backgroundTransparent = t; }
131 #endif
132
133 // event handlers
134 // --------------
135 void OnSetFocus( wxFocusEvent& event );
136 void OnPaint( wxPaintEvent& event );
137 void OnNcPaint( wxNcPaintEvent& event );
138 void OnEraseBackground(wxEraseEvent& event );
139 void OnMouseEvent( wxMouseEvent &event );
140
141 void MacOnScroll( wxScrollEvent&event );
142
143 bool AcceptsFocus() const;
144
145 public:
146 static long MacRemoveBordersFromStyle( long style ) ;
147
148 public:
149 void OnInternalIdle();
150
151 // For implementation purposes:
152 // sometimes decorations make the client area smaller
153 virtual wxPoint GetClientAreaOrigin() const;
154
155 wxWindowMac *FindItem(long id) const;
156 wxWindowMac *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;
157
158 virtual void MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool mouseStillDown ) ;
159 virtual bool MacDoRedraw( WXHRGN updatergn , long time ) ;
160 virtual bool MacCanFocus() const ;
161
162 // this should not be overriden in classes above wxWindowMac
163 // because it is called from its destructor via DeleteChildren
164 virtual void RemoveChild( wxWindowBase *child );
165 virtual void MacPaintBorders( int left , int top ) ;
166
167 // invalidates the borders and focus area around the control;
168 // must not be virtual as it will be called during destruction
169 void MacInvalidateBorders() ;
170
171 WXWindow MacGetTopLevelWindowRef() const ;
172 wxTopLevelWindowMac* MacGetTopLevelWindow() const ;
173
174 virtual long MacGetLeftBorderSize() const ;
175 virtual long MacGetRightBorderSize() const ;
176 virtual long MacGetTopBorderSize() const ;
177 virtual long MacGetBottomBorderSize() const ;
178
179 virtual void MacSuperChangedPosition() ;
180
181 // absolute coordinates of this window's root have changed
182 virtual void MacTopLevelWindowChangedPosition() ;
183
184 virtual void MacChildAdded() ;
185 virtual void MacVisibilityChanged() ;
186 virtual void MacEnabledStateChanged() ;
187 virtual void MacHiliteChanged() ;
188 virtual wxInt32 MacControlHit( WXEVENTHANDLERREF handler , WXEVENTREF event ) ;
189
190 bool MacIsReallyShown() ;
191 bool MacIsReallyEnabled() ;
192 bool MacIsReallyHilited() ;
193
194 bool MacIsUserPane() { return m_macIsUserPane; }
195
196 virtual bool MacSetupCursor( const wxPoint& pt ) ;
197 virtual void MacSetBackgroundBrush( const wxBrush &brush ) ;
198 const wxBrush& MacGetBackgroundBrush() const { return m_macBackgroundBrush ; }
199
200 // return the rectangle that would be visible of this control,
201 // regardless whether controls are hidden
202 // only taking into account clipping by parent windows
203 const wxRect& MacGetClippedClientRect() const ;
204 const wxRect& MacGetClippedRect() const ;
205 const wxRect& MacGetClippedRectWithOuterStructure() const ;
206
207 // returns the visible region of this control in window ie non-client coordinates
208 const wxRegion& MacGetVisibleRegion( bool includeOuterStructures = false ) ;
209
210 // returns true if children have to clipped to the content area
211 // (e.g., scrolled windows)
212 bool MacClipChildren() const { return m_clipChildren ; }
213 void MacSetClipChildren( bool clip ) { m_clipChildren = clip ; }
214
215 // returns true if the grandchildren need to be clipped to the children's content area
216 // (e.g., splitter windows)
217 virtual bool MacClipGrandChildren() const { return false ; }
218 bool MacIsWindowScrollbar( const wxScrollBar* sb )
219 { return (m_hScrollBar == sb || m_vScrollBar == sb) ; }
220
221 virtual void MacInstallEventHandler(WXWidget native) ;
222 void MacPostControlCreate(const wxPoint& pos, const wxSize& size) ;
223 wxList& GetSubcontrols() { return m_subControls; }
224 WXEVENTHANDLERREF MacGetControlEventHandler() { return m_macControlEventHandler ; }
225
226 #ifndef __WXMAC_OSX__
227 virtual void MacControlUserPaneDrawProc(wxInt16 part) ;
228 virtual wxInt16 MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
229 virtual wxInt16 MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
230 virtual void MacControlUserPaneIdleProc() ;
231 virtual wxInt16 MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
232 virtual void MacControlUserPaneActivateProc(bool activating) ;
233 virtual wxInt16 MacControlUserPaneFocusProc(wxInt16 action) ;
234 virtual void MacControlUserPaneBackgroundProc(void* info) ;
235 #endif
236
237 // translate wxWidgets coords into ones suitable
238 // to be passed to CreateControl calls
239 //
240 // returns true if non-default coords are returned, false otherwise
241 bool MacGetBoundsForControl(const wxPoint& pos,
242 const wxSize& size,
243 int& x, int& y,
244 int& w, int& h , bool adjustForOrigin ) const ;
245
246 // calculates the real window position and size from the native control
247 void MacGetPositionAndSizeFromControl(int& x, int& y,
248 int& w, int& h) const ;
249
250 // gets the inset from every part
251 virtual void MacGetContentAreaInset( int &left , int &top , int &right , int &bottom ) ;
252
253 // visibly flash the current invalid area:
254 // useful for debugging in OSX composited (double-buffered) situation
255 void MacFlashInvalidAreas() ;
256
257 // the 'true' OS level control for this wxWindow
258 wxMacControl* GetPeer() const { return m_peer ; }
259
260 #if wxMAC_USE_CORE_GRAPHICS
261 void * MacGetCGContextRef() { return m_cgContextRef ; }
262 void MacSetCGContextRef(void * cg) { m_cgContextRef = cg ; }
263 #endif
264
265 protected:
266 // For controls like radio buttons which are genuinely composite
267 wxList m_subControls;
268
269 // number of calls to Freeze() minus number of calls to Thaw()
270 unsigned int m_frozenness;
271
272 // the peer object, allowing for cleaner API support
273 wxMacControl * m_peer ;
274
275 #if wxMAC_USE_CORE_GRAPHICS
276 void * m_cgContextRef ;
277 #endif
278
279 // cache the clipped rectangles within the window hierarchy
280 void MacUpdateClippedRects() const ;
281
282 mutable bool m_cachedClippedRectValid ;
283 mutable wxRect m_cachedClippedRectWithOuterStructure ;
284 mutable wxRect m_cachedClippedRect ;
285 mutable wxRect m_cachedClippedClientRect ;
286 mutable wxRegion m_cachedClippedRegionWithOuterStructure ;
287 mutable wxRegion m_cachedClippedRegion ;
288 mutable wxRegion m_cachedClippedClientRegion ;
289
290 // true if is is not a native control but a wxWindow control
291 bool m_macIsUserPane ;
292 wxBrush m_macBackgroundBrush ;
293
294 // insets of the mac control from the wx top left corner
295 wxPoint m_macTopLeftInset ;
296 wxPoint m_macBottomRightInset ;
297 wxByte m_macAlpha ;
298
299 wxScrollBar* m_hScrollBar ;
300 wxScrollBar* m_vScrollBar ;
301 wxString m_label ;
302
303 // set to true if we do a sharp clip at the content area of this window
304 // must be dynamic as eg a panel normally is not clipping precisely, but if
305 // it becomes the target window of a scrolled window it has to...
306 bool m_clipChildren ;
307
308 virtual bool MacIsChildOfClientArea( const wxWindow* child ) const ;
309
310 void MacCreateScrollBars( long style ) ;
311 void MacRepositionScrollBars() ;
312 void MacUpdateControlFont() ;
313
314 void MacPropagateVisibilityChanged() ;
315 void MacPropagateEnabledStateChanged() ;
316 void MacPropagateHiliteChanged() ;
317
318 #if WXWIN_COMPATIBILITY_2_4
319 bool m_backgroundTransparent ;
320 #endif
321
322 // implement the base class pure virtuals
323 virtual wxSize DoGetBestSize() const;
324 virtual wxSize DoGetSizeFromClientSize( const wxSize & size ) const;
325 virtual void DoClientToScreen( int *x, int *y ) const;
326 virtual void DoScreenToClient( int *x, int *y ) const;
327 virtual void DoGetPosition( int *x, int *y ) const;
328 virtual void DoGetSize( int *width, int *height ) const;
329 virtual void DoGetClientSize( int *width, int *height ) const;
330 virtual void DoSetSize(int x, int y,
331 int width, int height,
332 int sizeFlags = wxSIZE_AUTO);
333 virtual void DoSetClientSize(int width, int height);
334
335 virtual void DoCaptureMouse();
336 virtual void DoReleaseMouse();
337
338 // move the window to the specified location and resize it: this is called
339 // from both DoSetSize() and DoSetClientSize() and would usually just call
340 // ::MoveWindow() except for composite controls which will want to arrange
341 // themselves inside the given rectangle
342 virtual void DoMoveWindow( int x, int y, int width, int height );
343 virtual void DoSetWindowVariant( wxWindowVariant variant );
344
345 #if wxUSE_TOOLTIPS
346 virtual void DoSetToolTip( wxToolTip *tip );
347 #endif
348
349 private:
350 // common part of all ctors
351 void Init();
352
353 WXEVENTHANDLERREF m_macControlEventHandler ;
354
355 DECLARE_NO_COPY_CLASS(wxWindowMac)
356 DECLARE_EVENT_TABLE()
357 };
358
359 #endif // _WX_WINDOW_H_