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