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
  90 public:
  91     virtual void SetScrollbar( int orient, int pos, int thumbVisible,
  92                                int range, bool refresh = true );
  93     virtual void SetScrollPos( int orient, int pos, bool refresh = true );
  94     virtual int GetScrollPos( int orient ) const;
  95     virtual int GetScrollThumb( int orient ) const;
  96     virtual int GetScrollRange( int orient ) const;
  97     virtual void ScrollWindow( int dx, int dy,
  98                                const wxRect* rect = (wxRect *) NULL );
  99     virtual void AlwaysShowScrollbars(bool horz = true, bool vert = true);
 100     virtual bool IsScrollbarAlwaysShown(int orient) const
 101     {
 102         return orient == wxHORIZONTAL ? m_hScrollBarAlwaysShown
 103                                       : m_vScrollBarAlwaysShown;
 104     }
 105
 106     virtual bool Reparent( wxWindowBase *newParent );
 107
 108 #if wxUSE_DRAG_AND_DROP
 109     virtual void SetDropTarget( wxDropTarget *dropTarget );
 110 #endif
 111
 112     // Accept files for dragging
 113     virtual void DragAcceptFiles( bool accept );
 114
 115     // implementation from now on
 116     // --------------------------
 117
 118     void MacClientToRootWindow( int *x , int *y ) const;
 119     void MacRootWindowToClient( int *x , int *y ) const;
 120
 121     void MacWindowToRootWindow( int *x , int *y ) const;
 122     void MacWindowToRootWindow( short *x , short *y ) const;
 123
 124     void MacRootWindowToWindow( int *x , int *y ) const;
 125     void MacRootWindowToWindow( short *x , short *y ) const;
 126
 127     virtual wxString MacGetToolTipString( wxPoint &where );
 128
 129     // simple accessors
 130     // ----------------
 131
 132     virtual WXWidget GetHandle() const;
 133
 134     virtual bool SetTransparent(wxByte alpha);
 135     virtual bool CanSetTransparent();
 136     virtual wxByte GetTransparent() const ;
 137
 138     // event handlers
 139     // --------------
 140     void OnSetFocus( wxFocusEvent& event );
 141     void OnPaint( wxPaintEvent& event );
 142     void OnNcPaint( wxNcPaintEvent& event );
 143     void OnEraseBackground(wxEraseEvent& event );
 144     void OnMouseEvent( wxMouseEvent &event );
 145
 146     void MacOnScroll( wxScrollEvent&event );
 147
 148     virtual bool AcceptsFocus() const;
 149
 150     virtual bool IsDoubleBuffered() const { return true; }
 151
 152 public:
 153     static long         MacRemoveBordersFromStyle( long style ) ;
 154
 155 public:
 156     void OnInternalIdle();
 157
 158     // For implementation purposes:
 159     // sometimes decorations make the client area smaller
 160     virtual wxPoint GetClientAreaOrigin() const;
 161
 162     wxWindowMac *FindItem(long id) const;
 163     wxWindowMac *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;
 164
 165     virtual void        MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool mouseStillDown ) ;
 166     virtual bool        MacDoRedraw( WXHRGN updatergn , long time ) ;
 167     virtual bool        MacCanFocus() const ;
 168
 169     // this should not be overriden in classes above wxWindowMac
 170     // because it is called from its destructor via DeleteChildren
 171     virtual void        RemoveChild( wxWindowBase *child );
 172     virtual void        MacPaintBorders( int left , int top ) ;
 173     void                MacPaintGrowBox();
 174
 175     // invalidates the borders and focus area around the control;
 176     // must not be virtual as it will be called during destruction
 177     void                MacInvalidateBorders() ;
 178
 179     WXWindow            MacGetTopLevelWindowRef() const ;
 180     wxTopLevelWindowMac* MacGetTopLevelWindow() const ;
 181
 182     virtual long        MacGetLeftBorderSize() const ;
 183     virtual long        MacGetRightBorderSize() const ;
 184     virtual long        MacGetTopBorderSize() const ;
 185     virtual long        MacGetBottomBorderSize() const ;
 186
 187     virtual void        MacSuperChangedPosition() ;
 188
 189     // absolute coordinates of this window's root have changed
 190     virtual void        MacTopLevelWindowChangedPosition() ;
 191
 192     virtual void        MacChildAdded() ;
 193     virtual void        MacVisibilityChanged() ;
 194     virtual void        MacEnabledStateChanged() ;
 195     virtual void        MacHiliteChanged() ;
 196     virtual wxInt32     MacControlHit( WXEVENTHANDLERREF handler , WXEVENTREF event ) ;
 197
 198     bool                MacIsReallyShown() ;
 199     bool                MacIsReallyEnabled() ;
 200     bool                MacIsReallyHilited() ;
 201
 202     bool                MacIsUserPane() { return m_macIsUserPane; }
 203
 204     virtual bool        MacSetupCursor( const wxPoint& pt ) ;
 205     virtual void        MacSetBackgroundBrush( const wxBrush &brush ) ;
 206     const wxBrush&      MacGetBackgroundBrush() const { return m_macBackgroundBrush ; }
 207
 208     // return the rectangle that would be visible of this control,
 209     // regardless whether controls are hidden
 210     // only taking into account clipping by parent windows
 211     const wxRect&       MacGetClippedClientRect() const ;
 212     const wxRect&       MacGetClippedRect() const ;
 213     const wxRect&       MacGetClippedRectWithOuterStructure() const ;
 214
 215     // returns the visible region of this control in window ie non-client coordinates
 216     const wxRegion&     MacGetVisibleRegion( bool includeOuterStructures = false ) ;
 217
 218     // returns true if children have to clipped to the content area
 219     // (e.g., scrolled windows)
 220     bool                MacClipChildren() const { return m_clipChildren ; }
 221     void                MacSetClipChildren( bool clip ) { m_clipChildren = clip ; }
 222
 223     // returns true if the grandchildren need to be clipped to the children's content area
 224     // (e.g., splitter windows)
 225     virtual bool        MacClipGrandChildren() const { return false ; }
 226     bool                MacIsWindowScrollbar( const wxWindow* sb ) const
 227     { return ((wxWindow*)m_hScrollBar == sb || (wxWindow*)m_vScrollBar == sb) ; }
 228     virtual bool IsClientAreaChild(const wxWindow *child) const
 229     {
 230         return !MacIsWindowScrollbar(child) &&
 231                wxWindowBase::IsClientAreaChild(child);
 232     }
 233
 234     virtual void        MacInstallEventHandler(WXWidget native) ;
 235     void                MacPostControlCreate(const wxPoint& pos, const wxSize& size) ;
 236     wxList&             GetSubcontrols() { return m_subControls; }
 237     WXEVENTHANDLERREF   MacGetControlEventHandler() { return m_macControlEventHandler ; }
 238
 239     // translate wxWidgets coords into ones suitable
 240     // to be passed to CreateControl calls
 241     //
 242     // returns true if non-default coords are returned, false otherwise
 243     bool                MacGetBoundsForControl(const wxPoint& pos,
 244                                            const wxSize& size,
 245                                            int& x, int& y,
 246                                            int& w, int& h , bool adjustForOrigin ) const ;
 247
 248     // calculates the real window position and size from the native control
 249     void                MacGetPositionAndSizeFromControl(int& x, int& y,
 250                                            int& w, int& h) const ;
 251
 252     // gets the inset from every part
 253     virtual void        MacGetContentAreaInset( int &left , int &top , int &right , int &bottom ) ;
 254
 255     // visibly flash the current invalid area:
 256     // useful for debugging in OSX composited (double-buffered) situation
 257     void                MacFlashInvalidAreas() ;
 258
 259     // the 'true' OS level control for this wxWindow
 260     wxMacControl*       GetPeer() const { return m_peer ; }
 261
 262     void *              MacGetCGContextRef() { return m_cgContextRef ; }
 263     void                MacSetCGContextRef(void * cg) { m_cgContextRef = cg ; }
 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     void *              m_cgContextRef ;
 276
 277     // cache the clipped rectangles within the window hierarchy
 278     void                MacUpdateClippedRects() const ;
 279
 280     mutable bool        m_cachedClippedRectValid ;
 281     mutable wxRect      m_cachedClippedRectWithOuterStructure ;
 282     mutable wxRect      m_cachedClippedRect ;
 283     mutable wxRect      m_cachedClippedClientRect ;
 284     mutable wxRegion    m_cachedClippedRegionWithOuterStructure ;
 285     mutable wxRegion    m_cachedClippedRegion ;
 286     mutable wxRegion    m_cachedClippedClientRegion ;
 287
 288     // true if is is not a native control but a wxWindow control
 289     bool                m_macIsUserPane ;
 290     wxBrush             m_macBackgroundBrush ;
 291
 292     // insets of the mac control from the wx top left corner
 293     wxPoint             m_macTopLeftInset ;
 294     wxPoint             m_macBottomRightInset ;
 295     wxByte              m_macAlpha ;
 296
 297     wxScrollBar*        m_hScrollBar ;
 298     wxScrollBar*        m_vScrollBar ;
 299     bool                m_hScrollBarAlwaysShown;
 300     bool                m_vScrollBarAlwaysShown;
 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     bool                MacHasScrollBarCorner() const;
 311     void                MacCreateScrollBars( long style ) ;
 312     void                MacRepositionScrollBars() ;
 313     void                MacUpdateControlFont() ;
 314
 315     void                MacPropagateVisibilityChanged() ;
 316     void                MacPropagateEnabledStateChanged() ;
 317     void                MacPropagateHiliteChanged() ;
 318
 319     // implement the base class pure virtuals
 320     virtual wxSize DoGetBestSize() const;
 321     virtual wxSize DoGetSizeFromClientSize( const wxSize & size ) const;
 322     virtual void DoClientToScreen( int *x, int *y ) const;
 323     virtual void DoScreenToClient( int *x, int *y ) const;
 324     virtual void DoGetPosition( int *x, int *y ) const;
 325     virtual void DoGetSize( int *width, int *height ) const;
 326     virtual void DoGetClientSize( int *width, int *height ) const;
 327     virtual void DoSetSize(int x, int y,
 328                            int width, int height,
 329                            int sizeFlags = wxSIZE_AUTO);
 330     virtual void DoSetClientSize(int width, int height);
 331
 332     virtual void DoCaptureMouse();
 333     virtual void DoReleaseMouse();
 334
 335     // move the window to the specified location and resize it: this is called
 336     // from both DoSetSize() and DoSetClientSize() and would usually just call
 337     // ::MoveWindow() except for composite controls which will want to arrange
 338     // themselves inside the given rectangle
 339     virtual void DoMoveWindow( int x, int y, int width, int height );
 340     virtual void DoSetWindowVariant( wxWindowVariant variant );
 341
 342 #if wxUSE_TOOLTIPS
 343     virtual void DoSetToolTip( wxToolTip *tip );
 344 #endif
 345
 346 private:
 347     // common part of all ctors
 348     void Init();
 349
 350     // show/hide scrollbars as needed, common part of SetScrollbar() and
 351     // AlwaysShowScrollbars()
 352     void DoUpdateScrollbarVisibility();
 353
 354
 355     WXEVENTHANDLERREF    m_macControlEventHandler ;
 356
 357     DECLARE_NO_COPY_CLASS(wxWindowMac)
 358     DECLARE_EVENT_TABLE()
 359 };
 360
 361 #endif // _WX_WINDOW_H_