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 wxPanel;
  21 class WXDLLIMPEXP_FWD_CORE wxNonOwnedWindow;
  22
  23 #if wxOSX_USE_CARBON
  24     class WXDLLIMPEXP_FWD_CORE wxMacControl ;
  25     typedef wxMacControl wxOSXWidgetImpl;
  26 #elif wxOSX_USE_COCOA_OR_IPHONE
  27     class WXDLLIMPEXP_FWD_CORE wxWidgetImpl ;
  28     typedef wxWidgetImpl wxOSXWidgetImpl;
  29 #endif
  30
  31
  32 class WXDLLIMPEXP_CORE wxWindowMac: public wxWindowBase
  33 {
  34     DECLARE_DYNAMIC_CLASS(wxWindowMac)
  35
  36     friend class wxDC;
  37     friend class wxPaintDC;
  38
  39 public:
  40     wxWindowMac();
  41
  42     wxWindowMac( wxWindowMac *parent,
  43                 wxWindowID id,
  44                 const wxPoint& pos = wxDefaultPosition,
  45                 const wxSize& size = wxDefaultSize,
  46                 long style = 0,
  47                 const wxString& name = wxPanelNameStr );
  48
  49     virtual ~wxWindowMac();
  50
  51     bool Create( wxWindowMac *parent,
  52                 wxWindowID id,
  53                 const wxPoint& pos = wxDefaultPosition,
  54                 const wxSize& size = wxDefaultSize,
  55                 long style = 0,
  56                 const wxString& name = wxPanelNameStr );
  57
  58     // implement base class pure virtuals
  59     virtual void SetLabel( const wxString& label );
  60     virtual wxString GetLabel() const;
  61
  62     virtual void Raise();
  63     virtual void Lower();
  64
  65     virtual bool Show( bool show = true );
  66
  67     virtual bool IsShownOnScreen() const;
  68
  69     virtual void SetFocus();
  70
  71     virtual void WarpPointer( int x, int y );
  72
  73     virtual void Refresh( bool eraseBackground = true,
  74                           const wxRect *rect = NULL );
  75
  76     virtual void Update() ;
  77     virtual void ClearBackground();
  78
  79     virtual bool SetCursor( const wxCursor &cursor );
  80     virtual bool SetFont( const wxFont &font );
  81     virtual bool SetBackgroundColour( const wxColour &colour );
  82     virtual bool SetForegroundColour( const wxColour &colour );
  83
  84     virtual int GetCharHeight() const;
  85     virtual int GetCharWidth() const;
  86
  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 = NULL );
  96     virtual void AlwaysShowScrollbars(bool horz = true, bool vert = true);
  97     virtual bool IsScrollbarAlwaysShown(int orient) const
  98     {
  99         return orient == wxHORIZONTAL ? m_hScrollBarAlwaysShown
 100                                       : m_vScrollBarAlwaysShown;
 101     }
 102
 103     virtual bool Reparent( wxWindowBase *newParent );
 104
 105 #if wxUSE_DRAG_AND_DROP
 106     virtual void SetDropTarget( wxDropTarget *dropTarget );
 107 #endif
 108
 109     // Accept files for dragging
 110     virtual void DragAcceptFiles( bool accept );
 111
 112     // implementation from now on
 113     // --------------------------
 114
 115     void MacClientToRootWindow( int *x , int *y ) const;
 116
 117     void MacWindowToRootWindow( int *x , int *y ) const;
 118
 119     void MacRootWindowToWindow( int *x , int *y ) const;
 120
 121     virtual wxString MacGetToolTipString( wxPoint &where );
 122
 123     // simple accessors
 124     // ----------------
 125
 126     virtual WXWidget GetHandle() const;
 127
 128     virtual bool SetTransparent(wxByte alpha);
 129     virtual bool CanSetTransparent();
 130     virtual wxByte GetTransparent() const ;
 131
 132     // event handlers
 133     // --------------
 134
 135     void OnMouseEvent( wxMouseEvent &event );
 136
 137     void MacOnScroll( wxScrollEvent&event );
 138
 139     virtual bool AcceptsFocus() const;
 140
 141     virtual bool IsDoubleBuffered() const { return true; }
 142
 143 public:
 144     static long         MacRemoveBordersFromStyle( long style ) ;
 145
 146 public:
 147     void OnInternalIdle();
 148
 149     // For implementation purposes:
 150     // sometimes decorations make the client area smaller
 151     virtual wxPoint GetClientAreaOrigin() const;
 152
 153     wxWindowMac *FindItem(long id) const;
 154     wxWindowMac *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;
 155
 156     virtual void        TriggerScrollEvent( wxEventType scrollEvent ) ;
 157     // this should not be overriden in classes above wxWindowMac
 158     // because it is called from its destructor via DeleteChildren
 159     virtual void        RemoveChild( wxWindowBase *child );
 160
 161     virtual bool        MacDoRedraw( long time ) ;
 162     virtual void        MacPaintChildrenBorders();
 163     virtual void        MacPaintBorders( int left , int top ) ;
 164     void                MacPaintGrowBox();
 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     wxNonOwnedWindow*   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                MacIsReallyEnabled() ;
 190     bool                MacIsReallyHilited() ;
 191
 192 #if WXWIN_COMPATIBILITY_2_8
 193     bool                MacIsUserPane() { return m_macIsUserPane; }
 194 #endif
 195     bool                MacIsUserPane() const { return m_macIsUserPane; }
 196
 197     virtual bool        MacSetupCursor( const wxPoint& pt ) ;
 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     void                MacPostControlCreate(const wxPoint& pos, const wxSize& size) ;
 226     wxList&             GetSubcontrols() { return m_subControls; }
 227
 228     // translate wxWidgets coords into ones suitable
 229     // to be passed to CreateControl calls
 230     //
 231     // returns true if non-default coords are returned, false otherwise
 232     bool                MacGetBoundsForControl(const wxPoint& pos,
 233                                            const wxSize& size,
 234                                            int& x, int& y,
 235                                            int& w, int& h , bool adjustForOrigin ) const ;
 236
 237     // the 'true' OS level control for this wxWindow
 238     wxOSXWidgetImpl*       GetPeer() const { return m_peer ; }
 239
 240     void *              MacGetCGContextRef() { return m_cgContextRef ; }
 241     void                MacSetCGContextRef(void * cg) { m_cgContextRef = cg ; }
 242
 243     // osx specific event handling common for all osx-ports
 244
 245     virtual bool        OSXHandleClicked( double timestampsec );
 246     virtual bool        OSXHandleKeyEvent( wxKeyEvent& event );
 247 protected:
 248     // For controls like radio buttons which are genuinely composite
 249     wxList              m_subControls;
 250
 251     // the peer object, allowing for cleaner API support
 252     wxOSXWidgetImpl *   m_peer ;
 253
 254     void *              m_cgContextRef ;
 255
 256     // cache the clipped rectangles within the window hierarchy
 257     void                MacUpdateClippedRects() const ;
 258
 259     mutable bool        m_cachedClippedRectValid ;
 260     mutable wxRect      m_cachedClippedRectWithOuterStructure ;
 261     mutable wxRect      m_cachedClippedRect ;
 262     mutable wxRect      m_cachedClippedClientRect ;
 263     mutable wxRegion    m_cachedClippedRegionWithOuterStructure ;
 264     mutable wxRegion    m_cachedClippedRegion ;
 265     mutable wxRegion    m_cachedClippedClientRegion ;
 266
 267     // true if is is not a native control but a wxWindow control
 268     bool                m_macIsUserPane ;
 269
 270     // insets of the mac control from the wx top left corner
 271     wxPoint             m_macTopLeftInset ;
 272     wxPoint             m_macBottomRightInset ;
 273     wxByte              m_macAlpha ;
 274
 275     wxScrollBar*        m_hScrollBar ;
 276     wxScrollBar*        m_vScrollBar ;
 277     bool                m_hScrollBarAlwaysShown;
 278     bool                m_vScrollBarAlwaysShown;
 279     wxPanel*            m_growBox ;
 280     wxString            m_label ;
 281
 282     // set to true if we do a sharp clip at the content area of this window
 283     // must be dynamic as eg a panel normally is not clipping precisely, but if
 284     // it becomes the target window of a scrolled window it has to...
 285     bool                m_clipChildren ;
 286
 287     virtual bool        MacIsChildOfClientArea( const wxWindow* child ) const ;
 288
 289     bool                MacHasScrollBarCorner() const;
 290     void                MacCreateScrollBars( long style ) ;
 291     void                MacRepositionScrollBars() ;
 292     void                MacUpdateControlFont() ;
 293
 294     // implement the base class pure virtuals
 295     virtual void DoGetTextExtent(const wxString& string,
 296                                  int *x, int *y,
 297                                  int *descent = NULL,
 298                                  int *externalLeading = NULL,
 299                                  const wxFont *theFont = NULL ) const;
 300
 301     virtual void DoEnable( bool enable );
 302 #if wxUSE_MENUS
 303     virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
 304 #endif
 305
 306     virtual void DoFreeze();
 307     virtual void DoThaw();
 308
 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_