include/wx/osx/window.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/osx/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     virtual bool ShowWithEffect(wxShowEffect effect,
  67                                 unsigned timeout = 0)
  68     {
  69         return OSXShowWithEffect(true, effect, timeout);
  70     }
  71     virtual bool HideWithEffect(wxShowEffect effect,
  72                                 unsigned timeout = 0)
  73     {
  74         return OSXShowWithEffect(false, effect, timeout);
  75     }
  76
  77     virtual bool IsShownOnScreen() const;
  78
  79     virtual void SetFocus();
  80
  81     virtual void WarpPointer( int x, int y );
  82
  83     virtual void Refresh( bool eraseBackground = true,
  84                           const wxRect *rect = NULL );
  85
  86     virtual void Update() ;
  87     virtual void ClearBackground();
  88
  89     virtual bool SetCursor( const wxCursor &cursor );
  90     virtual bool SetFont( const wxFont &font );
  91     virtual bool SetBackgroundColour( const wxColour &colour );
  92     virtual bool SetForegroundColour( const wxColour &colour );
  93
  94     virtual bool SetBackgroundStyle(wxBackgroundStyle style);
  95
  96     virtual int GetCharHeight() const;
  97     virtual int GetCharWidth() const;
  98
  99 public:
 100     virtual void SetScrollbar( int orient, int pos, int thumbVisible,
 101                                int range, bool refresh = true );
 102     virtual void SetScrollPos( int orient, int pos, bool refresh = true );
 103     virtual int GetScrollPos( int orient ) const;
 104     virtual int GetScrollThumb( int orient ) const;
 105     virtual int GetScrollRange( int orient ) const;
 106     virtual void ScrollWindow( int dx, int dy,
 107                                const wxRect* rect = NULL );
 108     virtual void AlwaysShowScrollbars(bool horz = true, bool vert = true);
 109     virtual bool IsScrollbarAlwaysShown(int orient) const
 110     {
 111         return orient == wxHORIZONTAL ? m_hScrollBarAlwaysShown
 112                                       : m_vScrollBarAlwaysShown;
 113     }
 114
 115     virtual bool Reparent( wxWindowBase *newParent );
 116
 117 #if wxUSE_DRAG_AND_DROP
 118     virtual void SetDropTarget( wxDropTarget *dropTarget );
 119 #endif
 120
 121     // Accept files for dragging
 122     virtual void DragAcceptFiles( bool accept );
 123
 124     // implementation from now on
 125     // --------------------------
 126
 127     void MacClientToRootWindow( int *x , int *y ) const;
 128
 129     void MacWindowToRootWindow( int *x , int *y ) const;
 130
 131     void MacRootWindowToWindow( int *x , int *y ) const;
 132
 133     virtual wxString MacGetToolTipString( wxPoint &where );
 134
 135     // simple accessors
 136     // ----------------
 137
 138     virtual WXWidget GetHandle() const;
 139
 140     virtual bool SetTransparent(wxByte alpha);
 141     virtual bool CanSetTransparent();
 142     virtual wxByte GetTransparent() const ;
 143
 144     // event handlers
 145     // --------------
 146
 147     void OnMouseEvent( wxMouseEvent &event );
 148
 149     void MacOnScroll( wxScrollEvent&event );
 150
 151     virtual bool AcceptsFocus() const;
 152
 153     virtual bool IsDoubleBuffered() const { return true; }
 154
 155 public:
 156     static long         MacRemoveBordersFromStyle( long style ) ;
 157
 158 public:
 159     void OnInternalIdle();
 160
 161     // For implementation purposes:
 162     // sometimes decorations make the client area smaller
 163     virtual wxPoint GetClientAreaOrigin() const;
 164
 165     wxWindowMac *FindItem(long id) const;
 166     wxWindowMac *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;
 167
 168     virtual void        TriggerScrollEvent( wxEventType scrollEvent ) ;
 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
 173     virtual bool        MacDoRedraw( long time ) ;
 174     virtual void        MacPaintChildrenBorders();
 175     virtual void        MacPaintBorders( int left , int top ) ;
 176     void                MacPaintGrowBox();
 177
 178     // invalidates the borders and focus area around the control;
 179     // must not be virtual as it will be called during destruction
 180     void                MacInvalidateBorders() ;
 181
 182     WXWindow            MacGetTopLevelWindowRef() const ;
 183     wxNonOwnedWindow*   MacGetTopLevelWindow() const ;
 184
 185     virtual long        MacGetLeftBorderSize() const ;
 186     virtual long        MacGetRightBorderSize() const ;
 187     virtual long        MacGetTopBorderSize() const ;
 188     virtual long        MacGetBottomBorderSize() const ;
 189
 190     virtual void        MacSuperChangedPosition() ;
 191
 192     // absolute coordinates of this window's root have changed
 193     virtual void        MacTopLevelWindowChangedPosition() ;
 194
 195     virtual void        MacChildAdded() ;
 196     virtual void        MacVisibilityChanged() ;
 197     virtual void        MacEnabledStateChanged() ;
 198     virtual void        MacHiliteChanged() ;
 199     virtual wxInt32     MacControlHit( WXEVENTHANDLERREF handler , WXEVENTREF event ) ;
 200
 201     bool                MacIsReallyEnabled() ;
 202     bool                MacIsReallyHilited() ;
 203
 204 #if WXWIN_COMPATIBILITY_2_8
 205     bool                MacIsUserPane() { return m_macIsUserPane; }
 206 #endif
 207     bool                MacIsUserPane() const { return m_macIsUserPane; }
 208
 209     virtual bool        MacSetupCursor( const wxPoint& pt ) ;
 210
 211     // return the rectangle that would be visible of this control,
 212     // regardless whether controls are hidden
 213     // only taking into account clipping by parent windows
 214     const wxRect&       MacGetClippedClientRect() const ;
 215     const wxRect&       MacGetClippedRect() const ;
 216     const wxRect&       MacGetClippedRectWithOuterStructure() const ;
 217
 218     // returns the visible region of this control in window ie non-client coordinates
 219     const wxRegion&     MacGetVisibleRegion( bool includeOuterStructures = false ) ;
 220
 221     // returns true if children have to clipped to the content area
 222     // (e.g., scrolled windows)
 223     bool                MacClipChildren() const { return m_clipChildren ; }
 224     void                MacSetClipChildren( bool clip ) { m_clipChildren = clip ; }
 225
 226     // returns true if the grandchildren need to be clipped to the children's content area
 227     // (e.g., splitter windows)
 228     virtual bool        MacClipGrandChildren() const { return false ; }
 229     bool                MacIsWindowScrollbar( const wxWindow* sb ) const
 230     { return ((wxWindow*)m_hScrollBar == sb || (wxWindow*)m_vScrollBar == sb) ; }
 231     virtual bool IsClientAreaChild(const wxWindow *child) const
 232     {
 233         return !MacIsWindowScrollbar(child) && !((wxWindow*)m_growBox==child) &&
 234                wxWindowBase::IsClientAreaChild(child);
 235     }
 236
 237     void                MacPostControlCreate(const wxPoint& pos, const wxSize& size) ;
 238     wxList&             GetSubcontrols() { return m_subControls; }
 239
 240     // translate wxWidgets coords into ones suitable
 241     // to be passed to CreateControl calls
 242     //
 243     // returns true if non-default coords are returned, false otherwise
 244     bool                MacGetBoundsForControl(const wxPoint& pos,
 245                                            const wxSize& size,
 246                                            int& x, int& y,
 247                                            int& w, int& h , bool adjustForOrigin ) const ;
 248
 249     // the 'true' OS level control for this wxWindow
 250     wxOSXWidgetImpl*       GetPeer() const { return m_peer ; }
 251
 252 #if wxOSX_USE_COCOA_OR_IPHONE
 253     // the NSView or NSWindow of this window: can be used for both child and
 254     // non-owned windows
 255     //
 256     // this is useful for a few Cocoa function which can work with either views
 257     // or windows indiscriminately, e.g. for setting NSViewAnimationTargetKey
 258     virtual void *OSXGetViewOrWindow() const { return GetHandle(); }
 259 #endif // Cocoa
 260
 261     void *              MacGetCGContextRef() { return m_cgContextRef ; }
 262     void                MacSetCGContextRef(void * cg) { m_cgContextRef = cg ; }
 263
 264     // osx specific event handling common for all osx-ports
 265
 266     virtual bool        OSXHandleClicked( double timestampsec );
 267     virtual bool        OSXHandleKeyEvent( wxKeyEvent& event );
 268
 269     bool                IsNativeWindowWrapper() const { return m_isNativeWindowWrapper; }
 270 protected:
 271     // For controls like radio buttons which are genuinely composite
 272     wxList              m_subControls;
 273
 274     // the peer object, allowing for cleaner API support
 275     wxOSXWidgetImpl *   m_peer ;
 276
 277     void *              m_cgContextRef ;
 278
 279     // cache the clipped rectangles within the window hierarchy
 280     void                MacUpdateClippedRects() const ;
 281
 282     mutable bool        m_cachedClippedRectValid ;
 283     mutable wxRect      m_cachedClippedRectWithOuterStructure ;
 284     mutable wxRect      m_cachedClippedRect ;
 285     mutable wxRect      m_cachedClippedClientRect ;
 286     mutable wxRegion    m_cachedClippedRegionWithOuterStructure ;
 287     mutable wxRegion    m_cachedClippedRegion ;
 288     mutable wxRegion    m_cachedClippedClientRegion ;
 289
 290     // true if is is not a native control but a wxWindow control
 291     bool                m_macIsUserPane ;
 292
 293     // insets of the mac control from the wx top left corner
 294     wxPoint             m_macTopLeftInset ;
 295     wxPoint             m_macBottomRightInset ;
 296     wxByte              m_macAlpha ;
 297
 298     wxScrollBar*        m_hScrollBar ;
 299     wxScrollBar*        m_vScrollBar ;
 300     bool                m_hScrollBarAlwaysShown;
 301     bool                m_vScrollBarAlwaysShown;
 302     wxWindow*           m_growBox ;
 303     wxString            m_label ;
 304
 305     bool                m_isNativeWindowWrapper;
 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     bool                MacHasScrollBarCorner() const;
 315     void                MacCreateScrollBars( long style ) ;
 316     void                MacRepositionScrollBars() ;
 317     void                MacUpdateControlFont() ;
 318
 319     // implement the base class pure virtuals
 320     virtual void DoGetTextExtent(const wxString& string,
 321                                  int *x, int *y,
 322                                  int *descent = NULL,
 323                                  int *externalLeading = NULL,
 324                                  const wxFont *theFont = NULL ) const;
 325
 326     virtual void DoEnable( bool enable );
 327 #if wxUSE_MENUS
 328     virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
 329 #endif
 330
 331     virtual void DoFreeze();
 332     virtual void DoThaw();
 333
 334     virtual wxSize DoGetBestSize() const;
 335     virtual wxSize DoGetSizeFromClientSize( const wxSize & size ) const;
 336     virtual void DoClientToScreen( int *x, int *y ) const;
 337     virtual void DoScreenToClient( int *x, int *y ) const;
 338     virtual void DoGetPosition( int *x, int *y ) const;
 339     virtual void DoGetSize( int *width, int *height ) const;
 340     virtual void DoGetClientSize( int *width, int *height ) const;
 341     virtual void DoSetSize(int x, int y,
 342                            int width, int height,
 343                            int sizeFlags = wxSIZE_AUTO);
 344     virtual void DoSetClientSize(int width, int height);
 345
 346     virtual void DoCaptureMouse();
 347     virtual void DoReleaseMouse();
 348
 349     // move the window to the specified location and resize it: this is called
 350     // from both DoSetSize() and DoSetClientSize() and would usually just call
 351     // ::MoveWindow() except for composite controls which will want to arrange
 352     // themselves inside the given rectangle
 353     virtual void DoMoveWindow( int x, int y, int width, int height );
 354     virtual void DoSetWindowVariant( wxWindowVariant variant );
 355
 356 #if wxUSE_TOOLTIPS
 357     virtual void DoSetToolTip( wxToolTip *tip );
 358 #endif
 359
 360     // common part of Show/HideWithEffect()
 361     virtual bool OSXShowWithEffect(bool show,
 362                                    wxShowEffect effect,
 363                                    unsigned timeout);
 364
 365 private:
 366     // common part of all ctors
 367     void Init();
 368
 369     // show/hide scrollbars as needed, common part of SetScrollbar() and
 370     // AlwaysShowScrollbars()
 371     void DoUpdateScrollbarVisibility();
 372
 373     wxDECLARE_NO_COPY_CLASS(wxWindowMac);
 374     DECLARE_EVENT_TABLE()
 375 };
 376
 377 #endif // _WX_WINDOW_H_