include/wx/osx/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 wxNonOwnedWindow;
  21
  22 class WXDLLIMPEXP_FWD_CORE wxMacControl ;
  23 class WXDLLIMPEXP_FWD_CORE wxWidgetImpl ;
  24
  25 class WXDLLIMPEXP_CORE wxWindowMac: public wxWindowBase
  26 {
  27     DECLARE_DYNAMIC_CLASS(wxWindowMac)
  28
  29     friend class wxDC;
  30     friend class wxPaintDC;
  31
  32 public:
  33     wxWindowMac();
  34
  35     wxWindowMac( wxWindowMac *parent,
  36                 wxWindowID id,
  37                 const wxPoint& pos = wxDefaultPosition,
  38                 const wxSize& size = wxDefaultSize,
  39                 long style = 0,
  40                 const wxString& name = wxPanelNameStr );
  41
  42     virtual ~wxWindowMac();
  43
  44     bool Create( wxWindowMac *parent,
  45                 wxWindowID id,
  46                 const wxPoint& pos = wxDefaultPosition,
  47                 const wxSize& size = wxDefaultSize,
  48                 long style = 0,
  49                 const wxString& name = wxPanelNameStr );
  50
  51     // implement base class pure virtuals
  52     virtual void SetLabel( const wxString& label );
  53     virtual wxString GetLabel() const;
  54
  55     virtual void Raise();
  56     virtual void Lower();
  57
  58     virtual bool Show( bool show = true );
  59
  60     virtual bool IsShownOnScreen() const;
  61
  62     virtual void SetFocus();
  63
  64     virtual void WarpPointer( int x, int y );
  65
  66     virtual void Refresh( bool eraseBackground = true,
  67                           const wxRect *rect = NULL );
  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 bool DoPopupMenu( wxMenu *menu, int x, int y );
  88
  89     virtual void DoFreeze();
  90     virtual void DoThaw();
  91
  92 public:
  93     virtual void SetScrollbar( int orient, int pos, int thumbVisible,
  94                                int range, bool refresh = true );
  95     virtual void SetScrollPos( int orient, int pos, bool refresh = true );
  96     virtual int GetScrollPos( int orient ) const;
  97     virtual int GetScrollThumb( int orient ) const;
  98     virtual int GetScrollRange( int orient ) const;
  99     virtual void ScrollWindow( int dx, int dy,
 100                                const wxRect* rect = (wxRect *) NULL );
 101     virtual void AlwaysShowScrollbars(bool horz = true, bool vert = true);
 102     virtual bool IsScrollbarAlwaysShown(int orient) const
 103     {
 104         return orient == wxHORIZONTAL ? m_hScrollBarAlwaysShown
 105                                       : m_vScrollBarAlwaysShown;
 106     }
 107
 108     virtual bool Reparent( wxWindowBase *newParent );
 109
 110 #if wxUSE_DRAG_AND_DROP
 111     virtual void SetDropTarget( wxDropTarget *dropTarget );
 112 #endif
 113
 114     // Accept files for dragging
 115     virtual void DragAcceptFiles( bool accept );
 116
 117     // implementation from now on
 118     // --------------------------
 119
 120     void MacClientToRootWindow( int *x , int *y ) const;
 121
 122     void MacWindowToRootWindow( int *x , int *y ) const;
 123
 124     void MacRootWindowToWindow( int *x , int *y ) const;
 125
 126     virtual wxString MacGetToolTipString( wxPoint &where );
 127
 128     // simple accessors
 129     // ----------------
 130
 131     virtual WXWidget GetHandle() const;
 132
 133     virtual bool SetTransparent(wxByte alpha);
 134     virtual bool CanSetTransparent();
 135     virtual wxByte GetTransparent() const ;
 136
 137     // event handlers
 138     // --------------
 139     void OnPaint( wxPaintEvent& event );
 140     void OnNcPaint( wxNcPaintEvent& event );
 141     void OnEraseBackground(wxEraseEvent& event );
 142     void OnMouseEvent( wxMouseEvent &event );
 143
 144     void MacOnScroll( wxScrollEvent&event );
 145
 146     virtual bool AcceptsFocus() const;
 147
 148     virtual bool IsDoubleBuffered() const { return true; }
 149
 150 public:
 151     static long         MacRemoveBordersFromStyle( long style ) ;
 152
 153 public:
 154     void OnInternalIdle();
 155
 156     // For implementation purposes:
 157     // sometimes decorations make the client area smaller
 158     virtual wxPoint GetClientAreaOrigin() const;
 159
 160     wxWindowMac *FindItem(long id) const;
 161     wxWindowMac *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;
 162
 163     virtual void        MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool mouseStillDown ) ;
 164     virtual bool        MacDoRedraw( void* updatergn , long time ) ;
 165
 166     // this should not be overriden in classes above wxWindowMac
 167     // because it is called from its destructor via DeleteChildren
 168     virtual void        RemoveChild( wxWindowBase *child );
 169     virtual void        MacPaintBorders( int left , int top ) ;
 170     void                MacPaintGrowBox();
 171
 172     // invalidates the borders and focus area around the control;
 173     // must not be virtual as it will be called during destruction
 174     void                MacInvalidateBorders() ;
 175
 176     WXWindow            MacGetTopLevelWindowRef() const ;
 177     wxNonOwnedWindow*   MacGetTopLevelWindow() const ;
 178
 179     virtual long        MacGetLeftBorderSize() const ;
 180     virtual long        MacGetRightBorderSize() const ;
 181     virtual long        MacGetTopBorderSize() const ;
 182     virtual long        MacGetBottomBorderSize() const ;
 183
 184     virtual void        MacSuperChangedPosition() ;
 185
 186     // absolute coordinates of this window's root have changed
 187     virtual void        MacTopLevelWindowChangedPosition() ;
 188
 189     virtual void        MacChildAdded() ;
 190     virtual void        MacVisibilityChanged() ;
 191     virtual void        MacEnabledStateChanged() ;
 192     virtual void        MacHiliteChanged() ;
 193     virtual wxInt32     MacControlHit( WXEVENTHANDLERREF handler , WXEVENTREF event ) ;
 194
 195     bool                MacIsReallyEnabled() ;
 196     bool                MacIsReallyHilited() ;
 197
 198     bool                MacIsUserPane() { return m_macIsUserPane; }
 199
 200     virtual bool        MacSetupCursor( const wxPoint& pt ) ;
 201
 202     // return the rectangle that would be visible of this control,
 203     // regardless whether controls are hidden
 204     // only taking into account clipping by parent windows
 205     const wxRect&       MacGetClippedClientRect() const ;
 206     const wxRect&       MacGetClippedRect() const ;
 207     const wxRect&       MacGetClippedRectWithOuterStructure() const ;
 208
 209     // returns the visible region of this control in window ie non-client coordinates
 210     const wxRegion&     MacGetVisibleRegion( bool includeOuterStructures = false ) ;
 211
 212     // returns true if children have to clipped to the content area
 213     // (e.g., scrolled windows)
 214     bool                MacClipChildren() const { return m_clipChildren ; }
 215     void                MacSetClipChildren( bool clip ) { m_clipChildren = clip ; }
 216
 217     // returns true if the grandchildren need to be clipped to the children's content area
 218     // (e.g., splitter windows)
 219     virtual bool        MacClipGrandChildren() const { return false ; }
 220     bool                MacIsWindowScrollbar( const wxWindow* sb ) const
 221     { return ((wxWindow*)m_hScrollBar == sb || (wxWindow*)m_vScrollBar == sb) ; }
 222     virtual bool IsClientAreaChild(const wxWindow *child) const
 223     {
 224         return !MacIsWindowScrollbar(child) &&
 225                wxWindowBase::IsClientAreaChild(child);
 226     }
 227
 228     void                MacPostControlCreate(const wxPoint& pos, const wxSize& size) ;
 229     wxList&             GetSubcontrols() { return m_subControls; }
 230
 231     // translate wxWidgets coords into ones suitable
 232     // to be passed to CreateControl calls
 233     //
 234     // returns true if non-default coords are returned, false otherwise
 235     bool                MacGetBoundsForControl(const wxPoint& pos,
 236                                            const wxSize& size,
 237                                            int& x, int& y,
 238                                            int& w, int& h , bool adjustForOrigin ) const ;
 239
 240     // the 'true' OS level control for this wxWindow
 241 #if wxOSX_USE_CARBON
 242     wxMacControl*       GetPeer() const { return m_peer ; }
 243 #else
 244     wxWidgetImpl*       GetPeer() const { return m_peer ; }
 245 #endif
 246
 247     void *              MacGetCGContextRef() { return m_cgContextRef ; }
 248     void                MacSetCGContextRef(void * cg) { m_cgContextRef = cg ; }
 249
 250 protected:
 251     // For controls like radio buttons which are genuinely composite
 252     wxList              m_subControls;
 253
 254 #if wxOSX_USE_CARBON
 255     // the peer object, allowing for cleaner API support
 256     wxMacControl *       m_peer ;
 257 #else
 258     wxWidgetImpl *       m_peer ;
 259 #endif
 260     void *              m_cgContextRef ;
 261
 262     // cache the clipped rectangles within the window hierarchy
 263     void                MacUpdateClippedRects() const ;
 264
 265     mutable bool        m_cachedClippedRectValid ;
 266     mutable wxRect      m_cachedClippedRectWithOuterStructure ;
 267     mutable wxRect      m_cachedClippedRect ;
 268     mutable wxRect      m_cachedClippedClientRect ;
 269     mutable wxRegion    m_cachedClippedRegionWithOuterStructure ;
 270     mutable wxRegion    m_cachedClippedRegion ;
 271     mutable wxRegion    m_cachedClippedClientRegion ;
 272
 273     // true if is is not a native control but a wxWindow control
 274     bool                m_macIsUserPane ;
 275
 276     // insets of the mac control from the wx top left corner
 277     wxPoint             m_macTopLeftInset ;
 278     wxPoint             m_macBottomRightInset ;
 279     wxByte              m_macAlpha ;
 280
 281     wxScrollBar*        m_hScrollBar ;
 282     wxScrollBar*        m_vScrollBar ;
 283     bool                m_hScrollBarAlwaysShown;
 284     bool                m_vScrollBarAlwaysShown;
 285     wxString            m_label ;
 286
 287     // set to true if we do a sharp clip at the content area of this window
 288     // must be dynamic as eg a panel normally is not clipping precisely, but if
 289     // it becomes the target window of a scrolled window it has to...
 290     bool                m_clipChildren ;
 291
 292     virtual bool        MacIsChildOfClientArea( const wxWindow* child ) const ;
 293
 294     bool                MacHasScrollBarCorner() const;
 295     void                MacCreateScrollBars( long style ) ;
 296     void                MacRepositionScrollBars() ;
 297     void                MacUpdateControlFont() ;
 298
 299     // implement the base class pure virtuals
 300     virtual wxSize DoGetBestSize() const;
 301     virtual wxSize DoGetSizeFromClientSize( const wxSize & size ) const;
 302     virtual void DoClientToScreen( int *x, int *y ) const;
 303     virtual void DoScreenToClient( int *x, int *y ) const;
 304     virtual void DoGetPosition( int *x, int *y ) const;
 305     virtual void DoGetSize( int *width, int *height ) const;
 306     virtual void DoGetClientSize( int *width, int *height ) const;
 307     virtual void DoSetSize(int x, int y,
 308                            int width, int height,
 309                            int sizeFlags = wxSIZE_AUTO);
 310     virtual void DoSetClientSize(int width, int height);
 311
 312     virtual void DoCaptureMouse();
 313     virtual void DoReleaseMouse();
 314
 315     // move the window to the specified location and resize it: this is called
 316     // from both DoSetSize() and DoSetClientSize() and would usually just call
 317     // ::MoveWindow() except for composite controls which will want to arrange
 318     // themselves inside the given rectangle
 319     virtual void DoMoveWindow( int x, int y, int width, int height );
 320     virtual void DoSetWindowVariant( wxWindowVariant variant );
 321
 322 #if wxUSE_TOOLTIPS
 323     virtual void DoSetToolTip( wxToolTip *tip );
 324 #endif
 325
 326 private:
 327     // common part of all ctors
 328     void Init();
 329
 330     // show/hide scrollbars as needed, common part of SetScrollbar() and
 331     // AlwaysShowScrollbars()
 332     void DoUpdateScrollbarVisibility();
 333
 334
 335     DECLARE_NO_COPY_CLASS(wxWindowMac)
 336     DECLARE_EVENT_TABLE()
 337 };
 338
 339 #endif // _WX_WINDOW_H_