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     // For implementation purposes:
 160     // sometimes decorations make the client area smaller
 161     virtual wxPoint GetClientAreaOrigin() const;
 162
 163     wxWindowMac *FindItem(long id) const;
 164     wxWindowMac *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;
 165
 166     virtual void        TriggerScrollEvent( wxEventType scrollEvent ) ;
 167     // this should not be overriden in classes above wxWindowMac
 168     // because it is called from its destructor via DeleteChildren
 169     virtual void        RemoveChild( wxWindowBase *child );
 170
 171     virtual bool        MacDoRedraw( long time ) ;
 172     virtual void        MacPaintChildrenBorders();
 173     virtual void        MacPaintBorders( int left , int top ) ;
 174     void                MacPaintGrowBox();
 175
 176     // invalidates the borders and focus area around the control;
 177     // must not be virtual as it will be called during destruction
 178     void                MacInvalidateBorders() ;
 179
 180     WXWindow            MacGetTopLevelWindowRef() const ;
 181     wxNonOwnedWindow*   MacGetTopLevelWindow() const ;
 182
 183     virtual long        MacGetWXBorderSize() const;
 184     virtual long        MacGetLeftBorderSize() const ;
 185     virtual long        MacGetRightBorderSize() const ;
 186     virtual long        MacGetTopBorderSize() const ;
 187     virtual long        MacGetBottomBorderSize() const ;
 188
 189     virtual void        MacSuperChangedPosition() ;
 190
 191     // absolute coordinates of this window's root have changed
 192     virtual void        MacTopLevelWindowChangedPosition() ;
 193
 194     virtual void        MacChildAdded() ;
 195     virtual void        MacVisibilityChanged() ;
 196     virtual void        MacEnabledStateChanged() ;
 197     virtual void        MacHiliteChanged() ;
 198     virtual wxInt32     MacControlHit( WXEVENTHANDLERREF handler , WXEVENTREF event ) ;
 199
 200     bool                MacIsReallyEnabled() ;
 201     bool                MacIsReallyHilited() ;
 202
 203 #if WXWIN_COMPATIBILITY_2_8
 204     bool                MacIsUserPane();
 205 #endif
 206     bool                MacIsUserPane() const;
 207
 208     virtual bool        MacSetupCursor( const wxPoint& pt ) ;
 209
 210     // return the rectangle that would be visible of this control,
 211     // regardless whether controls are hidden
 212     // only taking into account clipping by parent windows
 213     const wxRect&       MacGetClippedClientRect() const ;
 214     const wxRect&       MacGetClippedRect() const ;
 215     const wxRect&       MacGetClippedRectWithOuterStructure() const ;
 216
 217     // returns the visible region of this control in window ie non-client coordinates
 218     const wxRegion&     MacGetVisibleRegion( bool includeOuterStructures = false ) ;
 219
 220     // returns true if children have to clipped to the content area
 221     // (e.g., scrolled windows)
 222     bool                MacClipChildren() const { return m_clipChildren ; }
 223     void                MacSetClipChildren( bool clip ) { m_clipChildren = clip ; }
 224
 225     // returns true if the grandchildren need to be clipped to the children's content area
 226     // (e.g., splitter windows)
 227     virtual bool        MacClipGrandChildren() const { return false ; }
 228     bool                MacIsWindowScrollbar( const wxWindow* sb ) const
 229     { return ((wxWindow*)m_hScrollBar == sb || (wxWindow*)m_vScrollBar == sb) ; }
 230     virtual bool IsClientAreaChild(const wxWindow *child) const
 231     {
 232         return !MacIsWindowScrollbar(child) && !((wxWindow*)m_growBox==child) &&
 233                wxWindowBase::IsClientAreaChild(child);
 234     }
 235
 236     void                MacPostControlCreate(const wxPoint& pos, const wxSize& size) ;
 237     wxList&             GetSubcontrols() { return m_subControls; }
 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     // the 'true' OS level control for this wxWindow
 249     wxOSXWidgetImpl*    GetPeer() const;
 250
 251     // optimization to avoid creating a user pane in wxWindow::Create if we already know
 252     // we will replace it with our own peer
 253     void                DontCreatePeer();
 254
 255     // sets the native implementation wrapper, can replace an existing peer, use peer = NULL to
 256     // release existing peer
 257     void                SetPeer(wxOSXWidgetImpl* peer);
 258
 259     // wraps the already existing peer with the wrapper
 260     void                SetWrappingPeer(wxOSXWidgetImpl* wrapper);
 261
 262 #if wxOSX_USE_COCOA_OR_IPHONE
 263     // the NSView or NSWindow of this window: can be used for both child and
 264     // non-owned windows
 265     //
 266     // this is useful for a few Cocoa function which can work with either views
 267     // or windows indiscriminately, e.g. for setting NSViewAnimationTargetKey
 268     virtual void *OSXGetViewOrWindow() const { return GetHandle(); }
 269 #endif // Cocoa
 270
 271     void *              MacGetCGContextRef() { return m_cgContextRef ; }
 272     void                MacSetCGContextRef(void * cg) { m_cgContextRef = cg ; }
 273
 274     // osx specific event handling common for all osx-ports
 275
 276     virtual bool        OSXHandleClicked( double timestampsec );
 277     virtual bool        OSXHandleKeyEvent( wxKeyEvent& event );
 278
 279     bool                IsNativeWindowWrapper() const { return m_isNativeWindowWrapper; }
 280
 281     float               GetContentScaleFactor() const ;
 282
 283 protected:
 284     // For controls like radio buttons which are genuinely composite
 285     wxList              m_subControls;
 286
 287     // the peer object, allowing for cleaner API support
 288
 289     void *              m_cgContextRef ;
 290
 291     // cache the clipped rectangles within the window hierarchy
 292     void                MacUpdateClippedRects() const ;
 293
 294     mutable bool        m_cachedClippedRectValid ;
 295     mutable wxRect      m_cachedClippedRectWithOuterStructure ;
 296     mutable wxRect      m_cachedClippedRect ;
 297     mutable wxRect      m_cachedClippedClientRect ;
 298     mutable wxRegion    m_cachedClippedRegionWithOuterStructure ;
 299     mutable wxRegion    m_cachedClippedRegion ;
 300     mutable wxRegion    m_cachedClippedClientRegion ;
 301
 302     // insets of the mac control from the wx top left corner
 303     wxPoint             m_macTopLeftInset ;
 304     wxPoint             m_macBottomRightInset ;
 305     wxByte              m_macAlpha ;
 306
 307     wxScrollBar*        m_hScrollBar ;
 308     wxScrollBar*        m_vScrollBar ;
 309     bool                m_hScrollBarAlwaysShown;
 310     bool                m_vScrollBarAlwaysShown;
 311     wxWindow*           m_growBox ;
 312     wxString            m_label ;
 313
 314     bool                m_isNativeWindowWrapper;
 315
 316     // set to true if we do a sharp clip at the content area of this window
 317     // must be dynamic as eg a panel normally is not clipping precisely, but if
 318     // it becomes the target window of a scrolled window it has to...
 319     bool                m_clipChildren ;
 320
 321     virtual bool        MacIsChildOfClientArea( const wxWindow* child ) const ;
 322
 323     bool                MacHasScrollBarCorner() const;
 324     void                MacCreateScrollBars( long style ) ;
 325     void                MacRepositionScrollBars() ;
 326     void                MacUpdateControlFont() ;
 327
 328     // implement the base class pure virtuals
 329     virtual void DoGetTextExtent(const wxString& string,
 330                                  int *x, int *y,
 331                                  int *descent = NULL,
 332                                  int *externalLeading = NULL,
 333                                  const wxFont *theFont = NULL ) const;
 334
 335     virtual void DoEnable( bool enable );
 336 #if wxUSE_MENUS
 337     virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
 338 #endif
 339
 340     virtual void DoFreeze();
 341     virtual void DoThaw();
 342
 343     virtual wxSize DoGetBestSize() const;
 344     virtual wxSize DoGetSizeFromClientSize( const wxSize & size ) const;
 345     virtual void DoClientToScreen( int *x, int *y ) const;
 346     virtual void DoScreenToClient( int *x, int *y ) const;
 347     virtual void DoGetPosition( int *x, int *y ) const;
 348     virtual void DoGetSize( int *width, int *height ) const;
 349     virtual void DoGetClientSize( int *width, int *height ) const;
 350     virtual void DoSetSize(int x, int y,
 351                            int width, int height,
 352                            int sizeFlags = wxSIZE_AUTO);
 353     virtual void DoSetClientSize(int width, int height);
 354
 355     virtual void DoCaptureMouse();
 356     virtual void DoReleaseMouse();
 357
 358     // move the window to the specified location and resize it: this is called
 359     // from both DoSetSize() and DoSetClientSize() and would usually just call
 360     // ::MoveWindow() except for composite controls which will want to arrange
 361     // themselves inside the given rectangle
 362     virtual void DoMoveWindow( int x, int y, int width, int height );
 363     virtual void DoSetWindowVariant( wxWindowVariant variant );
 364
 365 #if wxUSE_TOOLTIPS
 366     virtual void DoSetToolTip( wxToolTip *tip );
 367 #endif
 368
 369     // common part of Show/HideWithEffect()
 370     virtual bool OSXShowWithEffect(bool show,
 371                                    wxShowEffect effect,
 372                                    unsigned timeout);
 373
 374 private:
 375     wxOSXWidgetImpl *   m_peer ;
 376     // common part of all ctors
 377     void Init();
 378
 379     // show/hide scrollbars as needed, common part of SetScrollbar() and
 380     // AlwaysShowScrollbars()
 381     void DoUpdateScrollbarVisibility();
 382
 383     wxDECLARE_NO_COPY_CLASS(wxWindowMac);
 384     DECLARE_EVENT_TABLE()
 385 };
 386
 387 #endif // _WX_WINDOW_H_