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_HOTKEY && wxOSX_USE_COCOA_OR_CARBON
 118     // hot keys (system wide accelerators)
 119     // -----------------------------------
 120
 121     virtual bool RegisterHotKey(int hotkeyId, int modifiers, int keycode);
 122     virtual bool UnregisterHotKey(int hotkeyId);
 123 #endif // wxUSE_HOTKEY
 124
 125 #if wxUSE_DRAG_AND_DROP
 126     virtual void SetDropTarget( wxDropTarget *dropTarget );
 127 #endif
 128
 129     // Accept files for dragging
 130     virtual void DragAcceptFiles( bool accept );
 131
 132     // implementation from now on
 133     // --------------------------
 134
 135     void MacClientToRootWindow( int *x , int *y ) const;
 136
 137     void MacWindowToRootWindow( int *x , int *y ) const;
 138
 139     void MacRootWindowToWindow( int *x , int *y ) const;
 140
 141     virtual wxString MacGetToolTipString( wxPoint &where );
 142
 143     // simple accessors
 144     // ----------------
 145
 146     virtual WXWidget GetHandle() const;
 147
 148     virtual bool SetTransparent(wxByte alpha);
 149     virtual bool CanSetTransparent();
 150     virtual wxByte GetTransparent() const ;
 151
 152     // event handlers
 153     // --------------
 154
 155     void OnMouseEvent( wxMouseEvent &event );
 156
 157     void MacOnScroll( wxScrollEvent&event );
 158
 159     virtual bool AcceptsFocus() const;
 160
 161     virtual bool IsDoubleBuffered() const { return true; }
 162
 163 public:
 164     static long         MacRemoveBordersFromStyle( long style ) ;
 165
 166 public:
 167     // For implementation purposes:
 168     // sometimes decorations make the client area smaller
 169     virtual wxPoint GetClientAreaOrigin() const;
 170
 171     wxWindowMac *FindItem(long id) const;
 172     wxWindowMac *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;
 173
 174     virtual void        TriggerScrollEvent( wxEventType scrollEvent ) ;
 175     // this should not be overridden in classes above wxWindowMac
 176     // because it is called from its destructor via DeleteChildren
 177     virtual void        RemoveChild( wxWindowBase *child );
 178
 179     virtual bool        MacDoRedraw( long time ) ;
 180     virtual void        MacPaintChildrenBorders();
 181     virtual void        MacPaintBorders( int left , int top ) ;
 182     void                MacPaintGrowBox();
 183
 184     // invalidates the borders and focus area around the control;
 185     // must not be virtual as it will be called during destruction
 186     void                MacInvalidateBorders() ;
 187
 188     WXWindow            MacGetTopLevelWindowRef() const ;
 189     wxNonOwnedWindow*   MacGetTopLevelWindow() const ;
 190
 191     virtual long        MacGetWXBorderSize() const;
 192     virtual long        MacGetLeftBorderSize() const ;
 193     virtual long        MacGetRightBorderSize() const ;
 194     virtual long        MacGetTopBorderSize() const ;
 195     virtual long        MacGetBottomBorderSize() const ;
 196
 197     virtual void        MacSuperChangedPosition() ;
 198
 199     // absolute coordinates of this window's root have changed
 200     virtual void        MacTopLevelWindowChangedPosition() ;
 201
 202     virtual void        MacChildAdded() ;
 203     virtual void        MacVisibilityChanged() ;
 204     virtual void        MacEnabledStateChanged() ;
 205     virtual void        MacHiliteChanged() ;
 206     virtual wxInt32     MacControlHit( WXEVENTHANDLERREF handler , WXEVENTREF event ) ;
 207
 208     bool                MacIsReallyEnabled() ;
 209     bool                MacIsReallyHilited() ;
 210
 211 #if WXWIN_COMPATIBILITY_2_8
 212     bool                MacIsUserPane();
 213 #endif
 214     bool                MacIsUserPane() const;
 215
 216     virtual bool        MacSetupCursor( const wxPoint& pt ) ;
 217
 218     // return the rectangle that would be visible of this control,
 219     // regardless whether controls are hidden
 220     // only taking into account clipping by parent windows
 221     const wxRect&       MacGetClippedClientRect() const ;
 222     const wxRect&       MacGetClippedRect() const ;
 223     const wxRect&       MacGetClippedRectWithOuterStructure() const ;
 224
 225     // returns the visible region of this control in window ie non-client coordinates
 226     const wxRegion&     MacGetVisibleRegion( bool includeOuterStructures = false ) ;
 227
 228     // returns true if children have to clipped to the content area
 229     // (e.g., scrolled windows)
 230     bool                MacClipChildren() const { return m_clipChildren ; }
 231     void                MacSetClipChildren( bool clip ) { m_clipChildren = clip ; }
 232
 233     // returns true if the grandchildren need to be clipped to the children's content area
 234     // (e.g., splitter windows)
 235     virtual bool        MacClipGrandChildren() const { return false ; }
 236     bool                MacIsWindowScrollbar( const wxWindow* sb ) const
 237     { return ((wxWindow*)m_hScrollBar == sb || (wxWindow*)m_vScrollBar == sb) ; }
 238     virtual bool IsClientAreaChild(const wxWindow *child) const
 239     {
 240         return !MacIsWindowScrollbar(child) && !((wxWindow*)m_growBox==child) &&
 241                wxWindowBase::IsClientAreaChild(child);
 242     }
 243
 244     void                MacPostControlCreate(const wxPoint& pos, const wxSize& size) ;
 245     wxList&             GetSubcontrols() { return m_subControls; }
 246
 247     // translate wxWidgets coords into ones suitable
 248     // to be passed to CreateControl calls
 249     //
 250     // returns true if non-default coords are returned, false otherwise
 251     bool                MacGetBoundsForControl(const wxPoint& pos,
 252                                            const wxSize& size,
 253                                            int& x, int& y,
 254                                            int& w, int& h , bool adjustForOrigin ) const ;
 255
 256     // the 'true' OS level control for this wxWindow
 257     wxOSXWidgetImpl*    GetPeer() const;
 258
 259     // optimization to avoid creating a user pane in wxWindow::Create if we already know
 260     // we will replace it with our own peer
 261     void                DontCreatePeer();
 262
 263     // return true unless DontCreatePeer() had been called
 264     bool                ShouldCreatePeer() const;
 265
 266     // sets the native implementation wrapper, can replace an existing peer, use peer = NULL to
 267     // release existing peer
 268     void                SetPeer(wxOSXWidgetImpl* peer);
 269
 270     // wraps the already existing peer with the wrapper
 271     void                SetWrappingPeer(wxOSXWidgetImpl* wrapper);
 272
 273 #if wxOSX_USE_COCOA_OR_IPHONE
 274     // the NSView or NSWindow of this window: can be used for both child and
 275     // non-owned windows
 276     //
 277     // this is useful for a few Cocoa function which can work with either views
 278     // or windows indiscriminately, e.g. for setting NSViewAnimationTargetKey
 279     virtual void *OSXGetViewOrWindow() const { return GetHandle(); }
 280 #endif // Cocoa
 281
 282     void *              MacGetCGContextRef() { return m_cgContextRef ; }
 283     void                MacSetCGContextRef(void * cg) { m_cgContextRef = cg ; }
 284
 285     // osx specific event handling common for all osx-ports
 286
 287     virtual bool        OSXHandleClicked( double timestampsec );
 288     virtual bool        OSXHandleKeyEvent( wxKeyEvent& event );
 289
 290     bool                IsNativeWindowWrapper() const { return m_isNativeWindowWrapper; }
 291
 292     float               GetContentScaleFactor() const ;
 293
 294     // internal response to size events
 295     virtual void MacOnInternalSize() {}
 296
 297 protected:
 298     // For controls like radio buttons which are genuinely composite
 299     wxList              m_subControls;
 300
 301     // the peer object, allowing for cleaner API support
 302
 303     void *              m_cgContextRef ;
 304
 305     // cache the clipped rectangles within the window hierarchy
 306     void                MacUpdateClippedRects() const ;
 307
 308     mutable bool        m_cachedClippedRectValid ;
 309     mutable wxRect      m_cachedClippedRectWithOuterStructure ;
 310     mutable wxRect      m_cachedClippedRect ;
 311     mutable wxRect      m_cachedClippedClientRect ;
 312     mutable wxRegion    m_cachedClippedRegionWithOuterStructure ;
 313     mutable wxRegion    m_cachedClippedRegion ;
 314     mutable wxRegion    m_cachedClippedClientRegion ;
 315
 316     // insets of the mac control from the wx top left corner
 317     wxPoint             m_macTopLeftInset ;
 318     wxPoint             m_macBottomRightInset ;
 319     wxByte              m_macAlpha ;
 320
 321     wxScrollBar*        m_hScrollBar ;
 322     wxScrollBar*        m_vScrollBar ;
 323     bool                m_hScrollBarAlwaysShown;
 324     bool                m_vScrollBarAlwaysShown;
 325     wxWindow*           m_growBox ;
 326     wxString            m_label ;
 327
 328     bool                m_isNativeWindowWrapper;
 329
 330     // set to true if we do a sharp clip at the content area of this window
 331     // must be dynamic as eg a panel normally is not clipping precisely, but if
 332     // it becomes the target window of a scrolled window it has to...
 333     bool                m_clipChildren ;
 334
 335     virtual bool        MacIsChildOfClientArea( const wxWindow* child ) const ;
 336
 337     bool                MacHasScrollBarCorner() const;
 338     void                MacCreateScrollBars( long style ) ;
 339     void                MacRepositionScrollBars() ;
 340     void                MacUpdateControlFont() ;
 341
 342     // implement the base class pure virtuals
 343     virtual void DoGetTextExtent(const wxString& string,
 344                                  int *x, int *y,
 345                                  int *descent = NULL,
 346                                  int *externalLeading = NULL,
 347                                  const wxFont *theFont = NULL ) const;
 348
 349     virtual void DoEnable( bool enable );
 350 #if wxUSE_MENUS
 351     virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
 352 #endif
 353
 354     virtual void DoFreeze();
 355     virtual void DoThaw();
 356
 357     virtual wxSize DoGetBestSize() const;
 358     virtual wxSize DoGetSizeFromClientSize( const wxSize & size ) const;
 359     virtual void DoClientToScreen( int *x, int *y ) const;
 360     virtual void DoScreenToClient( int *x, int *y ) const;
 361     virtual void DoGetPosition( int *x, int *y ) const;
 362     virtual void DoGetSize( int *width, int *height ) const;
 363     virtual void DoGetClientSize( int *width, int *height ) const;
 364     virtual void DoSetSize(int x, int y,
 365                            int width, int height,
 366                            int sizeFlags = wxSIZE_AUTO);
 367     virtual void DoSetClientSize(int width, int height);
 368
 369     virtual void DoCaptureMouse();
 370     virtual void DoReleaseMouse();
 371
 372     // move the window to the specified location and resize it: this is called
 373     // from both DoSetSize() and DoSetClientSize() and would usually just call
 374     // ::MoveWindow() except for composite controls which will want to arrange
 375     // themselves inside the given rectangle
 376     virtual void DoMoveWindow( int x, int y, int width, int height );
 377     virtual void DoSetWindowVariant( wxWindowVariant variant );
 378
 379 #if wxUSE_TOOLTIPS
 380     virtual void DoSetToolTip( wxToolTip *tip );
 381 #endif
 382
 383     // common part of Show/HideWithEffect()
 384     virtual bool OSXShowWithEffect(bool show,
 385                                    wxShowEffect effect,
 386                                    unsigned timeout);
 387
 388 private:
 389     wxOSXWidgetImpl *   m_peer ;
 390     // common part of all ctors
 391     void Init();
 392
 393     // show/hide scrollbars as needed, common part of SetScrollbar() and
 394     // AlwaysShowScrollbars()
 395     void DoUpdateScrollbarVisibility();
 396
 397     wxDECLARE_NO_COPY_CLASS(wxWindowMac);
 398     DECLARE_EVENT_TABLE()
 399 };
 400
 401 #endif // _WX_WINDOW_H_