include/wx/osx/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 #if wxOSX_USE_CARBON
  23     class WXDLLIMPEXP_FWD_CORE wxMacControl ;
  24     typedef wxMacControl wxOSXWidgetImpl;
  25 #elif wxOSX_USE_COCOA_OR_IPHONE
  26     class WXDLLIMPEXP_FWD_CORE wxWidgetImpl ;
  27     typedef wxWidgetImpl wxOSXWidgetImpl;
  28 #endif
  29
  30
  31 class WXDLLIMPEXP_CORE wxWindowMac: public wxWindowBase
  32 {
  33     DECLARE_DYNAMIC_CLASS(wxWindowMac)
  34
  35     friend class wxDC;
  36     friend class wxPaintDC;
  37
  38 public:
  39     wxWindowMac();
  40
  41     wxWindowMac( wxWindowMac *parent,
  42                 wxWindowID id,
  43                 const wxPoint& pos = wxDefaultPosition,
  44                 const wxSize& size = wxDefaultSize,
  45                 long style = 0,
  46                 const wxString& name = wxPanelNameStr );
  47
  48     virtual ~wxWindowMac();
  49
  50     bool Create( wxWindowMac *parent,
  51                 wxWindowID id,
  52                 const wxPoint& pos = wxDefaultPosition,
  53                 const wxSize& size = wxDefaultSize,
  54                 long style = 0,
  55                 const wxString& name = wxPanelNameStr );
  56
  57     // implement base class pure virtuals
  58     virtual void SetLabel( const wxString& label );
  59     virtual wxString GetLabel() const;
  60
  61     virtual void Raise();
  62     virtual void Lower();
  63
  64     virtual bool Show( bool show = true );
  65
  66     virtual bool IsShownOnScreen() const;
  67
  68     virtual void SetFocus();
  69
  70     virtual void WarpPointer( int x, int y );
  71
  72     virtual void Refresh( bool eraseBackground = true,
  73                           const wxRect *rect = NULL );
  74
  75     virtual void Update() ;
  76     virtual void ClearBackground();
  77
  78     virtual bool SetCursor( const wxCursor &cursor );
  79     virtual bool SetFont( const wxFont &font );
  80     virtual bool SetBackgroundColour( const wxColour &colour );
  81     virtual bool SetForegroundColour( const wxColour &colour );
  82
  83     virtual int GetCharHeight() const;
  84     virtual int GetCharWidth() const;
  85     virtual void GetTextExtent( const wxString& string,
  86                                int *x, int *y,
  87                                int *descent = NULL,
  88                                int *externalLeading = NULL,
  89                                const wxFont *theFont = NULL )
  90                                const;
  91 protected:
  92     virtual void DoEnable( bool enable );
  93 #if wxUSE_MENUS
  94     virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
  95 #endif
  96
  97     virtual void DoFreeze();
  98     virtual void DoThaw();
  99
 100 public:
 101     virtual void SetScrollbar( int orient, int pos, int thumbVisible,
 102                                int range, bool refresh = true );
 103     virtual void SetScrollPos( int orient, int pos, bool refresh = true );
 104     virtual int GetScrollPos( int orient ) const;
 105     virtual int GetScrollThumb( int orient ) const;
 106     virtual int GetScrollRange( int orient ) const;
 107     virtual void ScrollWindow( int dx, int dy,
 108                                const wxRect* rect = NULL );
 109     virtual void AlwaysShowScrollbars(bool horz = true, bool vert = true);
 110     virtual bool IsScrollbarAlwaysShown(int orient) const
 111     {
 112         return orient == wxHORIZONTAL ? m_hScrollBarAlwaysShown
 113                                       : m_vScrollBarAlwaysShown;
 114     }
 115
 116     virtual bool Reparent( wxWindowBase *newParent );
 117
 118 #if wxUSE_DRAG_AND_DROP
 119     virtual void SetDropTarget( wxDropTarget *dropTarget );
 120 #endif
 121
 122     // Accept files for dragging
 123     virtual void DragAcceptFiles( bool accept );
 124
 125     // implementation from now on
 126     // --------------------------
 127
 128     void MacClientToRootWindow( int *x , int *y ) const;
 129
 130     void MacWindowToRootWindow( int *x , int *y ) const;
 131
 132     void MacRootWindowToWindow( int *x , int *y ) const;
 133
 134     virtual wxString MacGetToolTipString( wxPoint &where );
 135
 136     // simple accessors
 137     // ----------------
 138
 139     virtual WXWidget GetHandle() const;
 140
 141     virtual bool SetTransparent(wxByte alpha);
 142     virtual bool CanSetTransparent();
 143     virtual wxByte GetTransparent() const ;
 144
 145     // event handlers
 146     // --------------
 147
 148     void OnNcPaint( wxNcPaintEvent& event );
 149     void OnEraseBackground(wxEraseEvent& event );
 150     void OnMouseEvent( wxMouseEvent &event );
 151
 152     void MacOnScroll( wxScrollEvent&event );
 153
 154     virtual bool AcceptsFocus() const;
 155
 156     virtual bool IsDoubleBuffered() const { return true; }
 157
 158 public:
 159     static long         MacRemoveBordersFromStyle( long style ) ;
 160
 161 public:
 162     void OnInternalIdle();
 163
 164     // For implementation purposes:
 165     // sometimes decorations make the client area smaller
 166     virtual wxPoint GetClientAreaOrigin() const;
 167
 168     wxWindowMac *FindItem(long id) const;
 169     wxWindowMac *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;
 170
 171     virtual void        TriggerScrollEvent( wxEventType scrollEvent ) ;
 172     // this should not be overriden in classes above wxWindowMac
 173     // because it is called from its destructor via DeleteChildren
 174     virtual void        RemoveChild( wxWindowBase *child );
 175
 176     virtual bool        MacDoRedraw( long time ) ;
 177     virtual void        MacPaintChildrenBorders();
 178     virtual void        MacPaintBorders( int left , int top ) ;
 179     void                MacPaintGrowBox();
 180
 181     // invalidates the borders and focus area around the control;
 182     // must not be virtual as it will be called during destruction
 183     void                MacInvalidateBorders() ;
 184
 185     WXWindow            MacGetTopLevelWindowRef() const ;
 186     wxNonOwnedWindow*   MacGetTopLevelWindow() const ;
 187
 188     virtual long        MacGetLeftBorderSize() const ;
 189     virtual long        MacGetRightBorderSize() const ;
 190     virtual long        MacGetTopBorderSize() const ;
 191     virtual long        MacGetBottomBorderSize() const ;
 192
 193     virtual void        MacSuperChangedPosition() ;
 194
 195     // absolute coordinates of this window's root have changed
 196     virtual void        MacTopLevelWindowChangedPosition() ;
 197
 198     virtual void        MacChildAdded() ;
 199     virtual void        MacVisibilityChanged() ;
 200     virtual void        MacEnabledStateChanged() ;
 201     virtual void        MacHiliteChanged() ;
 202     virtual wxInt32     MacControlHit( WXEVENTHANDLERREF handler , WXEVENTREF event ) ;
 203
 204     bool                MacIsReallyEnabled() ;
 205     bool                MacIsReallyHilited() ;
 206
 207 #if WXWIN_COMPATIBILITY_2_8
 208     bool                MacIsUserPane() { return m_macIsUserPane; }
 209 #endif
 210     bool                MacIsUserPane() const { return m_macIsUserPane; }
 211
 212     virtual bool        MacSetupCursor( const wxPoint& pt ) ;
 213
 214     // return the rectangle that would be visible of this control,
 215     // regardless whether controls are hidden
 216     // only taking into account clipping by parent windows
 217     const wxRect&       MacGetClippedClientRect() const ;
 218     const wxRect&       MacGetClippedRect() const ;
 219     const wxRect&       MacGetClippedRectWithOuterStructure() const ;
 220
 221     // returns the visible region of this control in window ie non-client coordinates
 222     const wxRegion&     MacGetVisibleRegion( bool includeOuterStructures = false ) ;
 223
 224     // returns true if children have to clipped to the content area
 225     // (e.g., scrolled windows)
 226     bool                MacClipChildren() const { return m_clipChildren ; }
 227     void                MacSetClipChildren( bool clip ) { m_clipChildren = clip ; }
 228
 229     // returns true if the grandchildren need to be clipped to the children's content area
 230     // (e.g., splitter windows)
 231     virtual bool        MacClipGrandChildren() const { return false ; }
 232     bool                MacIsWindowScrollbar( const wxWindow* sb ) const
 233     { return ((wxWindow*)m_hScrollBar == sb || (wxWindow*)m_vScrollBar == sb) ; }
 234     virtual bool IsClientAreaChild(const wxWindow *child) const
 235     {
 236         return !MacIsWindowScrollbar(child) &&
 237                wxWindowBase::IsClientAreaChild(child);
 238     }
 239
 240     void                MacPostControlCreate(const wxPoint& pos, const wxSize& size) ;
 241     wxList&             GetSubcontrols() { return m_subControls; }
 242
 243     // translate wxWidgets coords into ones suitable
 244     // to be passed to CreateControl calls
 245     //
 246     // returns true if non-default coords are returned, false otherwise
 247     bool                MacGetBoundsForControl(const wxPoint& pos,
 248                                            const wxSize& size,
 249                                            int& x, int& y,
 250                                            int& w, int& h , bool adjustForOrigin ) const ;
 251
 252     // the 'true' OS level control for this wxWindow
 253     wxOSXWidgetImpl*       GetPeer() const { return m_peer ; }
 254
 255     void *              MacGetCGContextRef() { return m_cgContextRef ; }
 256     void                MacSetCGContextRef(void * cg) { m_cgContextRef = cg ; }
 257
 258     // osx specific event handling common for all osx-ports
 259
 260     virtual bool        OSXHandleClicked( double timestampsec );
 261     virtual bool        OSXHandleKeyEvent( wxKeyEvent& event );
 262 protected:
 263     // For controls like radio buttons which are genuinely composite
 264     wxList              m_subControls;
 265
 266     // the peer object, allowing for cleaner API support
 267     wxOSXWidgetImpl *   m_peer ;
 268
 269     void *              m_cgContextRef ;
 270
 271     // cache the clipped rectangles within the window hierarchy
 272     void                MacUpdateClippedRects() const ;
 273
 274     mutable bool        m_cachedClippedRectValid ;
 275     mutable wxRect      m_cachedClippedRectWithOuterStructure ;
 276     mutable wxRect      m_cachedClippedRect ;
 277     mutable wxRect      m_cachedClippedClientRect ;
 278     mutable wxRegion    m_cachedClippedRegionWithOuterStructure ;
 279     mutable wxRegion    m_cachedClippedRegion ;
 280     mutable wxRegion    m_cachedClippedClientRegion ;
 281
 282     // true if is is not a native control but a wxWindow control
 283     bool                m_macIsUserPane ;
 284
 285     // insets of the mac control from the wx top left corner
 286     wxPoint             m_macTopLeftInset ;
 287     wxPoint             m_macBottomRightInset ;
 288     wxByte              m_macAlpha ;
 289
 290     wxScrollBar*        m_hScrollBar ;
 291     wxScrollBar*        m_vScrollBar ;
 292     bool                m_hScrollBarAlwaysShown;
 293     bool                m_vScrollBarAlwaysShown;
 294     wxString            m_label ;
 295
 296     // set to true if we do a sharp clip at the content area of this window
 297     // must be dynamic as eg a panel normally is not clipping precisely, but if
 298     // it becomes the target window of a scrolled window it has to...
 299     bool                m_clipChildren ;
 300
 301     virtual bool        MacIsChildOfClientArea( const wxWindow* child ) const ;
 302
 303     bool                MacHasScrollBarCorner() const;
 304     void                MacCreateScrollBars( long style ) ;
 305     void                MacRepositionScrollBars() ;
 306     void                MacUpdateControlFont() ;
 307
 308     // implement the base class pure virtuals
 309     virtual wxSize DoGetBestSize() const;
 310     virtual wxSize DoGetSizeFromClientSize( const wxSize & size ) const;
 311     virtual void DoClientToScreen( int *x, int *y ) const;
 312     virtual void DoScreenToClient( int *x, int *y ) const;
 313     virtual void DoGetPosition( int *x, int *y ) const;
 314     virtual void DoGetSize( int *width, int *height ) const;
 315     virtual void DoGetClientSize( int *width, int *height ) const;
 316     virtual void DoSetSize(int x, int y,
 317                            int width, int height,
 318                            int sizeFlags = wxSIZE_AUTO);
 319     virtual void DoSetClientSize(int width, int height);
 320
 321     virtual void DoCaptureMouse();
 322     virtual void DoReleaseMouse();
 323
 324     // move the window to the specified location and resize it: this is called
 325     // from both DoSetSize() and DoSetClientSize() and would usually just call
 326     // ::MoveWindow() except for composite controls which will want to arrange
 327     // themselves inside the given rectangle
 328     virtual void DoMoveWindow( int x, int y, int width, int height );
 329     virtual void DoSetWindowVariant( wxWindowVariant variant );
 330
 331 #if wxUSE_TOOLTIPS
 332     virtual void DoSetToolTip( wxToolTip *tip );
 333 #endif
 334
 335 private:
 336     // common part of all ctors
 337     void Init();
 338
 339     // show/hide scrollbars as needed, common part of SetScrollbar() and
 340     // AlwaysShowScrollbars()
 341     void DoUpdateScrollbarVisibility();
 342
 343
 344     wxDECLARE_NO_COPY_CLASS(wxWindowMac);
 345     DECLARE_EVENT_TABLE()
 346 };
 347
 348 #endif // _WX_WINDOW_H_