include/wx/osx/core/private.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/osx/core/private.h
   3 // Purpose:     Private declarations: as this header is only included by
   4 //              wxWidgets itself, it may contain identifiers which don't start
   5 //              with "wx".
   6 // Author:      Stefan Csomor
   7 // Modified by:
   8 // Created:     1998-01-01
   9 // RCS-ID:      $Id$
  10 // Copyright:   (c) Stefan Csomor
  11 // Licence:     wxWindows licence
  12 /////////////////////////////////////////////////////////////////////////////
  13
  14 #ifndef _WX_PRIVATE_CORE_H_
  15 #define _WX_PRIVATE_CORE_H_
  16
  17 #include "wx/defs.h"
  18
  19 #include <CoreFoundation/CoreFoundation.h>
  20
  21 #include "wx/osx/core/cfstring.h"
  22 #include "wx/osx/core/cfdataref.h"
  23
  24 // Define helper macros allowing to insert small snippets of code to be
  25 // compiled for high enough OS X version only: this shouldn't be abused for
  26 // anything big but it's handy for e.g. specifying OS X 10.6-only protocols in
  27 // the Objective C classes declarations when they're not supported under the
  28 // previous versions
  29 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
  30     #define wxOSX_10_6_AND_LATER(x) x
  31 #else
  32     #define wxOSX_10_6_AND_LATER(x)
  33 #endif
  34
  35 // platform specific Clang analyzer support
  36 #ifndef NS_RETURNS_RETAINED
  37 #   if WX_HAS_CLANG_FEATURE(attribute_ns_returns_retained)
  38 #       define NS_RETURNS_RETAINED __attribute__((ns_returns_retained))
  39 #   else
  40 #       define NS_RETURNS_RETAINED
  41 #   endif
  42 #endif
  43
  44 #ifndef CF_RETURNS_RETAINED
  45 #   if WX_HAS_CLANG_FEATURE(attribute_cf_returns_retained)
  46 #       define CF_RETURNS_RETAINED __attribute__((cf_returns_retained))
  47 #   else
  48 #       define CF_RETURNS_RETAINED
  49 #   endif
  50 #endif
  51
  52 #if ( !wxUSE_GUI && !wxOSX_USE_IPHONE ) || wxOSX_USE_COCOA_OR_CARBON
  53
  54 // Carbon functions are currently still used in wxOSX/Cocoa too (including
  55 // wxBase part of it).
  56 #include <Carbon/Carbon.h>
  57
  58 WXDLLIMPEXP_BASE long UMAGetSystemVersion() ;
  59
  60 void WXDLLIMPEXP_CORE wxMacStringToPascal( const wxString&from , unsigned char * to );
  61 wxString WXDLLIMPEXP_CORE wxMacMakeStringFromPascal( const unsigned char * from );
  62
  63 WXDLLIMPEXP_BASE wxString wxMacFSRefToPath( const FSRef *fsRef , CFStringRef additionalPathComponent = NULL );
  64 WXDLLIMPEXP_BASE OSStatus wxMacPathToFSRef( const wxString&path , FSRef *fsRef );
  65 WXDLLIMPEXP_BASE wxString wxMacHFSUniStrToString( ConstHFSUniStr255Param uniname );
  66
  67 // keycode utils from app.cpp
  68
  69 WXDLLIMPEXP_BASE CGKeyCode wxCharCodeWXToOSX(wxKeyCode code);
  70 WXDLLIMPEXP_BASE long wxMacTranslateKey(unsigned char key, unsigned char code);
  71
  72 #endif
  73
  74 #if wxUSE_GUI
  75
  76 #if wxOSX_USE_IPHONE
  77 #include <CoreGraphics/CoreGraphics.h>
  78 #else
  79 #include <ApplicationServices/ApplicationServices.h>
  80 #endif
  81
  82 #include "wx/bitmap.h"
  83 #include "wx/window.h"
  84
  85 class WXDLLIMPEXP_CORE wxMacCGContextStateSaver
  86 {
  87     wxDECLARE_NO_COPY_CLASS(wxMacCGContextStateSaver);
  88
  89 public:
  90     wxMacCGContextStateSaver( CGContextRef cg )
  91     {
  92         m_cg = cg;
  93         CGContextSaveGState( cg );
  94     }
  95     ~wxMacCGContextStateSaver()
  96     {
  97         CGContextRestoreGState( m_cg );
  98     }
  99 private:
 100     CGContextRef m_cg;
 101 };
 102
 103 class WXDLLIMPEXP_CORE wxDeferredObjectDeleter : public wxObject
 104 {
 105 public :
 106     wxDeferredObjectDeleter( wxObject* obj ) : m_obj(obj)
 107     {
 108     }
 109     virtual ~wxDeferredObjectDeleter()
 110     {
 111         delete m_obj;
 112     }
 113 protected :
 114     wxObject* m_obj ;
 115 } ;
 116
 117 // Quartz
 118
 119 WXDLLIMPEXP_CORE CGImageRef wxMacCreateCGImageFromBitmap( const wxBitmap& bitmap );
 120
 121 WXDLLIMPEXP_CORE CGDataProviderRef wxMacCGDataProviderCreateWithCFData( CFDataRef data );
 122 WXDLLIMPEXP_CORE CGDataConsumerRef wxMacCGDataConsumerCreateWithCFData( CFMutableDataRef data );
 123 WXDLLIMPEXP_CORE CGDataProviderRef wxMacCGDataProviderCreateWithMemoryBuffer( const wxMemoryBuffer& buf );
 124
 125 CGColorSpaceRef WXDLLIMPEXP_CORE wxMacGetGenericRGBColorSpace(void);
 126
 127 class wxWindowMac;
 128 // to
 129 extern wxWindow* g_MacLastWindow;
 130 class wxNonOwnedWindow;
 131
 132 // temporary typedef so that no additional casts are necessary within carbon code at the moment
 133
 134 class wxMacControl;
 135 class wxWidgetImpl;
 136 class wxComboBox;
 137 class wxNotebook;
 138 class wxTextCtrl;
 139 class wxSearchCtrl;
 140
 141 WXDLLIMPEXP_CORE wxWindowMac * wxFindWindowFromWXWidget(WXWidget inControl );
 142
 143 #if wxOSX_USE_CARBON
 144 typedef wxMacControl wxWidgetImplType;
 145 #else
 146 typedef wxWidgetImpl wxWidgetImplType;
 147 #endif
 148
 149 #if wxUSE_MENUS
 150 class wxMenuItemImpl : public wxObject
 151 {
 152 public :
 153     wxMenuItemImpl( wxMenuItem* peer ) : m_peer(peer)
 154     {
 155     }
 156
 157     virtual ~wxMenuItemImpl() ;
 158     virtual void SetBitmap( const wxBitmap& bitmap ) = 0;
 159     virtual void Enable( bool enable ) = 0;
 160     virtual void Check( bool check ) = 0;
 161     virtual void SetLabel( const wxString& text, wxAcceleratorEntry *entry ) = 0;
 162     virtual void Hide( bool hide = true ) = 0;
 163
 164     virtual void * GetHMenuItem() = 0;
 165
 166     wxMenuItem* GetWXPeer() { return m_peer ; }
 167
 168     static wxMenuItemImpl* Create( wxMenuItem* peer, wxMenu *pParentMenu,
 169                        int id,
 170                        const wxString& text,
 171                        wxAcceleratorEntry *entry,
 172                        const wxString& strHelp,
 173                        wxItemKind kind,
 174                        wxMenu *pSubMenu );
 175
 176     // handle OS specific menu items if they weren't handled during normal processing
 177     virtual bool DoDefault() { return false; }
 178 protected :
 179     wxMenuItem* m_peer;
 180
 181     DECLARE_ABSTRACT_CLASS(wxMenuItemImpl)
 182 } ;
 183
 184 class wxMenuImpl : public wxObject
 185 {
 186 public :
 187     wxMenuImpl( wxMenu* peer ) : m_peer(peer)
 188     {
 189     }
 190
 191     virtual ~wxMenuImpl() ;
 192     virtual void InsertOrAppend(wxMenuItem *pItem, size_t pos) = 0;
 193     virtual void Remove( wxMenuItem *pItem ) = 0;
 194
 195     virtual void MakeRoot() = 0;
 196
 197     virtual void SetTitle( const wxString& text ) = 0;
 198
 199     virtual WXHMENU GetHMenu() = 0;
 200
 201     wxMenu* GetWXPeer() { return m_peer ; }
 202
 203     virtual void PopUp( wxWindow *win, int x, int y ) = 0;
 204
 205     static wxMenuImpl* Create( wxMenu* peer, const wxString& title );
 206     static wxMenuImpl* CreateRootMenu( wxMenu* peer );
 207 protected :
 208     wxMenu* m_peer;
 209
 210     DECLARE_ABSTRACT_CLASS(wxMenuItemImpl)
 211 } ;
 212 #endif
 213
 214
 215 class WXDLLIMPEXP_CORE wxWidgetImpl : public wxObject
 216 {
 217 public :
 218     wxWidgetImpl( wxWindowMac* peer , bool isRootControl = false, bool isUserPane = false );
 219     wxWidgetImpl();
 220     virtual ~wxWidgetImpl();
 221
 222     void Init();
 223
 224     bool                IsRootControl() const { return m_isRootControl; }
 225
 226     bool                IsUserPane() const { return m_isUserPane; }
 227
 228     wxWindowMac*        GetWXPeer() const { return m_wxPeer; }
 229
 230     bool IsOk() const { return GetWXWidget() != NULL; }
 231
 232     // not only the control itself, but also all its parents must be visible
 233     // in order for this function to return true
 234     virtual bool        IsVisible() const = 0;
 235     // set the visibility of this widget (maybe latent)
 236     virtual void        SetVisibility( bool visible ) = 0;
 237
 238     virtual bool ShowWithEffect(bool WXUNUSED(show),
 239                                 wxShowEffect WXUNUSED(effect),
 240                                 unsigned WXUNUSED(timeout))
 241     {
 242         return false;
 243     }
 244
 245     virtual void        Raise() = 0;
 246
 247     virtual void        Lower() = 0;
 248
 249     virtual void        ScrollRect( const wxRect *rect, int dx, int dy ) = 0;
 250
 251     virtual WXWidget    GetWXWidget() const = 0;
 252
 253     virtual void        SetBackgroundColour( const wxColour& col ) = 0;
 254     virtual bool        SetBackgroundStyle(wxBackgroundStyle style) = 0;
 255
 256     // all coordinates in native parent widget relative coordinates
 257     virtual void        GetContentArea( int &left , int &top , int &width , int &height ) const = 0;
 258     virtual void        Move(int x, int y, int width, int height) = 0;
 259     virtual void        GetPosition( int &x, int &y ) const = 0;
 260     virtual void        GetSize( int &width, int &height ) const = 0;
 261     virtual void        SetControlSize( wxWindowVariant variant ) = 0;
 262     virtual float       GetContentScaleFactor() const
 263     {
 264         return 1.0;
 265     }
 266
 267     // the native coordinates may have an 'aura' for shadows etc, if this is the case the layout
 268     // inset indicates on which insets the real control is drawn
 269     virtual void        GetLayoutInset(int &left , int &top , int &right, int &bottom) const
 270     {
 271         left = top = right = bottom = 0;
 272     }
 273
 274     // native view coordinates are topleft to bottom right (flipped regarding CoreGraphics origin)
 275     virtual bool        IsFlipped() const { return true; }
 276
 277     virtual void        SetNeedsDisplay( const wxRect* where = NULL ) = 0;
 278     virtual bool        GetNeedsDisplay() const = 0;
 279
 280     virtual bool        NeedsFocusRect() const;
 281     virtual void        SetNeedsFocusRect( bool needs );
 282
 283     virtual bool        NeedsFrame() const;
 284     virtual void        SetNeedsFrame( bool needs );
 285
 286     virtual void        SetDrawingEnabled(bool enabled);
 287
 288     virtual bool        CanFocus() const = 0;
 289     // return true if successful
 290     virtual bool        SetFocus() = 0;
 291     virtual bool        HasFocus() const = 0;
 292
 293     virtual void        RemoveFromParent() = 0;
 294     virtual void        Embed( wxWidgetImpl *parent ) = 0;
 295
 296     virtual void        SetDefaultButton( bool isDefault ) = 0;
 297     virtual void        PerformClick() = 0;
 298     virtual void        SetLabel( const wxString& title, wxFontEncoding encoding ) = 0;
 299 #if wxUSE_MARKUP && wxOSX_USE_COCOA
 300     virtual void        SetLabelMarkup( const wxString& WXUNUSED(markup) ) { }
 301 #endif
 302
 303     virtual void        SetCursor( const wxCursor & cursor ) = 0;
 304     virtual void        CaptureMouse() = 0;
 305     virtual void        ReleaseMouse() = 0;
 306
 307     virtual void        SetDropTarget( wxDropTarget * WXUNUSED(dropTarget) ) {}
 308
 309     virtual wxInt32     GetValue() const = 0;
 310     virtual void        SetValue( wxInt32 v ) = 0;
 311     virtual wxBitmap    GetBitmap() const = 0;
 312     virtual void        SetBitmap( const wxBitmap& bitmap ) = 0;
 313     virtual void        SetBitmapPosition( wxDirection dir ) = 0;
 314     virtual void        SetupTabs( const wxNotebook &notebook ) =0;
 315     virtual void        GetBestRect( wxRect *r ) const = 0;
 316     virtual bool        IsEnabled() const = 0;
 317     virtual void        Enable( bool enable ) = 0;
 318     virtual void        SetMinimum( wxInt32 v ) = 0;
 319     virtual void        SetMaximum( wxInt32 v ) = 0;
 320     virtual wxInt32     GetMinimum() const = 0;
 321     virtual wxInt32     GetMaximum() const = 0;
 322     virtual void        PulseGauge() = 0;
 323     virtual void        SetScrollThumb( wxInt32 value, wxInt32 thumbSize ) = 0;
 324
 325     virtual void        SetFont( const wxFont & font , const wxColour& foreground , long windowStyle, bool ignoreBlack = true ) = 0;
 326
 327     virtual void        SetToolTip(wxToolTip* WXUNUSED(tooltip)) { }
 328
 329     // is the clicked event sent AFTER the state already changed, so no additional
 330     // state changing logic is required from the outside
 331     virtual bool        ButtonClickDidStateChange() = 0;
 332
 333     virtual void        InstallEventHandler( WXWidget control = NULL ) = 0;
 334
 335     // Mechanism used to keep track of whether a change should send an event
 336     // Do SendEvents(false) when starting actions that would trigger programmatic events
 337     // and SendEvents(true) at the end of the block.
 338     virtual void        SendEvents(bool shouldSendEvents) { m_shouldSendEvents = shouldSendEvents; }
 339     virtual bool        ShouldSendEvents() { return m_shouldSendEvents; }
 340
 341     // static methods for associating native controls and their implementations
 342
 343     static wxWidgetImpl*
 344                         FindFromWXWidget(WXWidget control);
 345
 346     static void         RemoveAssociations( wxWidgetImpl* impl);
 347
 348     static void         Associate( WXWidget control, wxWidgetImpl *impl );
 349
 350     static WXWidget     FindFocus();
 351
 352     // static creation methods, must be implemented by all toolkits
 353
 354     static wxWidgetImplType*    CreateUserPane( wxWindowMac* wxpeer,
 355                                     wxWindowMac* parent,
 356                                     wxWindowID id,
 357                                     const wxPoint& pos,
 358                                     const wxSize& size,
 359                                     long style,
 360                                     long extraStyle) ;
 361     static wxWidgetImplType*    CreateContentView( wxNonOwnedWindow* now ) ;
 362
 363     static wxWidgetImplType*    CreateButton( wxWindowMac* wxpeer,
 364                                     wxWindowMac* parent,
 365                                     wxWindowID id,
 366                                     const wxString& label,
 367                                     const wxPoint& pos,
 368                                     const wxSize& size,
 369                                     long style,
 370                                     long extraStyle) ;
 371
 372     static wxWidgetImplType*    CreateDisclosureTriangle( wxWindowMac* wxpeer,
 373                                     wxWindowMac* parent,
 374                                     wxWindowID id,
 375                                     const wxString& label,
 376                                     const wxPoint& pos,
 377                                     const wxSize& size,
 378                                     long style,
 379                                     long extraStyle) ;
 380
 381     static wxWidgetImplType*    CreateStaticLine( wxWindowMac* wxpeer,
 382                                     wxWindowMac* parent,
 383                                     wxWindowID id,
 384                                     const wxPoint& pos,
 385                                     const wxSize& size,
 386                                     long style,
 387                                     long extraStyle) ;
 388
 389     static wxWidgetImplType*    CreateGroupBox( wxWindowMac* wxpeer,
 390                                     wxWindowMac* parent,
 391                                     wxWindowID id,
 392                                     const wxString& label,
 393                                     const wxPoint& pos,
 394                                     const wxSize& size,
 395                                     long style,
 396                                     long extraStyle) ;
 397
 398     static wxWidgetImplType*    CreateStaticText( wxWindowMac* wxpeer,
 399                                     wxWindowMac* parent,
 400                                     wxWindowID id,
 401                                     const wxString& label,
 402                                     const wxPoint& pos,
 403                                     const wxSize& size,
 404                                     long style,
 405                                     long extraStyle) ;
 406
 407     static wxWidgetImplType*    CreateTextControl( wxTextCtrl* wxpeer,
 408                                     wxWindowMac* parent,
 409                                     wxWindowID id,
 410                                     const wxString& content,
 411                                     const wxPoint& pos,
 412                                     const wxSize& size,
 413                                     long style,
 414                                     long extraStyle) ;
 415
 416     static wxWidgetImplType*    CreateSearchControl( wxSearchCtrl* wxpeer,
 417                                     wxWindowMac* parent,
 418                                     wxWindowID id,
 419                                     const wxString& content,
 420                                     const wxPoint& pos,
 421                                     const wxSize& size,
 422                                     long style,
 423                                     long extraStyle) ;
 424
 425     static wxWidgetImplType*    CreateCheckBox( wxWindowMac* wxpeer,
 426                                     wxWindowMac* parent,
 427                                     wxWindowID id,
 428                                     const wxString& label,
 429                                     const wxPoint& pos,
 430                                     const wxSize& size,
 431                                     long style,
 432                                     long extraStyle);
 433
 434     static wxWidgetImplType*    CreateRadioButton( wxWindowMac* wxpeer,
 435                                     wxWindowMac* parent,
 436                                     wxWindowID id,
 437                                     const wxString& label,
 438                                     const wxPoint& pos,
 439                                     const wxSize& size,
 440                                     long style,
 441                                     long extraStyle);
 442
 443     static wxWidgetImplType*    CreateToggleButton( wxWindowMac* wxpeer,
 444                                     wxWindowMac* parent,
 445                                     wxWindowID id,
 446                                     const wxString& label,
 447                                     const wxPoint& pos,
 448                                     const wxSize& size,
 449                                     long style,
 450                                     long extraStyle);
 451
 452     static wxWidgetImplType*    CreateBitmapToggleButton( wxWindowMac* wxpeer,
 453                                     wxWindowMac* parent,
 454                                     wxWindowID id,
 455                                     const wxBitmap& bitmap,
 456                                     const wxPoint& pos,
 457                                     const wxSize& size,
 458                                     long style,
 459                                     long extraStyle);
 460
 461     static wxWidgetImplType*    CreateBitmapButton( wxWindowMac* wxpeer,
 462                                     wxWindowMac* parent,
 463                                     wxWindowID id,
 464                                     const wxBitmap& bitmap,
 465                                     const wxPoint& pos,
 466                                     const wxSize& size,
 467                                     long style,
 468                                     long extraStyle);
 469
 470     static wxWidgetImplType*    CreateTabView( wxWindowMac* wxpeer,
 471                                     wxWindowMac* parent,
 472                                     wxWindowID id,
 473                                     const wxPoint& pos,
 474                                     const wxSize& size,
 475                                     long style,
 476                                     long extraStyle);
 477
 478     static wxWidgetImplType*    CreateGauge( wxWindowMac* wxpeer,
 479                                     wxWindowMac* parent,
 480                                     wxWindowID id,
 481                                     wxInt32 value,
 482                                     wxInt32 minimum,
 483                                     wxInt32 maximum,
 484                                     const wxPoint& pos,
 485                                     const wxSize& size,
 486                                     long style,
 487                                     long extraStyle);
 488
 489     static wxWidgetImplType*    CreateSlider( wxWindowMac* wxpeer,
 490                                     wxWindowMac* parent,
 491                                     wxWindowID id,
 492                                     wxInt32 value,
 493                                     wxInt32 minimum,
 494                                     wxInt32 maximum,
 495                                     const wxPoint& pos,
 496                                     const wxSize& size,
 497                                     long style,
 498                                     long extraStyle);
 499
 500     static wxWidgetImplType*    CreateSpinButton( wxWindowMac* wxpeer,
 501                                     wxWindowMac* parent,
 502                                     wxWindowID id,
 503                                     wxInt32 value,
 504                                     wxInt32 minimum,
 505                                     wxInt32 maximum,
 506                                     const wxPoint& pos,
 507                                     const wxSize& size,
 508                                     long style,
 509                                     long extraStyle);
 510
 511     static wxWidgetImplType*    CreateScrollBar( wxWindowMac* wxpeer,
 512                                     wxWindowMac* parent,
 513                                     wxWindowID id,
 514                                     const wxPoint& pos,
 515                                     const wxSize& size,
 516                                     long style,
 517                                     long extraStyle);
 518
 519     static wxWidgetImplType*    CreateChoice( wxWindowMac* wxpeer,
 520                                     wxWindowMac* parent,
 521                                     wxWindowID id,
 522                                     wxMenu* menu,
 523                                     const wxPoint& pos,
 524                                     const wxSize& size,
 525                                     long style,
 526                                     long extraStyle);
 527
 528     static wxWidgetImplType*    CreateListBox( wxWindowMac* wxpeer,
 529                                     wxWindowMac* parent,
 530                                     wxWindowID id,
 531                                     const wxPoint& pos,
 532                                     const wxSize& size,
 533                                     long style,
 534                                     long extraStyle);
 535
 536 #if wxOSX_USE_COCOA
 537     static wxWidgetImplType*    CreateComboBox( wxComboBox* wxpeer,
 538                                     wxWindowMac* parent,
 539                                     wxWindowID id,
 540                                     wxMenu* menu,
 541                                     const wxPoint& pos,
 542                                     const wxSize& size,
 543                                     long style,
 544                                     long extraStyle);
 545 #endif
 546
 547     // converts from Toplevel-Content relative to local
 548     static void Convert( wxPoint *pt , wxWidgetImpl *from , wxWidgetImpl *to );
 549 protected :
 550     bool                m_isRootControl;
 551     bool                m_isUserPane;
 552     wxWindowMac*        m_wxPeer;
 553     bool                m_needsFocusRect;
 554     bool                m_needsFrame;
 555     bool                m_shouldSendEvents;
 556
 557     DECLARE_ABSTRACT_CLASS(wxWidgetImpl)
 558 };
 559
 560 //
 561 // the interface to be implemented eg by a listbox
 562 //
 563
 564 class WXDLLIMPEXP_CORE wxListWidgetColumn
 565 {
 566 public :
 567     virtual ~wxListWidgetColumn() {}
 568 } ;
 569
 570 class WXDLLIMPEXP_CORE wxListWidgetCellValue
 571 {
 572 public :
 573     wxListWidgetCellValue() {}
 574     virtual ~wxListWidgetCellValue() {}
 575
 576    virtual void Set( CFStringRef value ) = 0;
 577     virtual void Set( const wxString& value ) = 0;
 578     virtual void Set( int value ) = 0;
 579     virtual void Check( bool check );
 580
 581     virtual bool IsChecked() const;
 582     virtual int GetIntValue() const = 0;
 583     virtual wxString GetStringValue() const = 0;
 584 } ;
 585
 586 class WXDLLIMPEXP_CORE wxListWidgetImpl
 587 {
 588 public:
 589     wxListWidgetImpl() {}
 590     virtual ~wxListWidgetImpl() { }
 591
 592     virtual wxListWidgetColumn*     InsertTextColumn( unsigned pos, const wxString& title, bool editable = false,
 593                                 wxAlignment just = wxALIGN_LEFT , int defaultWidth = -1) = 0 ;
 594     virtual wxListWidgetColumn*     InsertCheckColumn( unsigned pos , const wxString& title, bool editable = false,
 595                                 wxAlignment just = wxALIGN_LEFT , int defaultWidth =  -1) = 0 ;
 596
 597     // add and remove
 598
 599     // TODO will be replaced
 600     virtual void            ListDelete( unsigned int n ) = 0;
 601     virtual void            ListInsert( unsigned int n ) = 0;
 602     virtual void            ListClear() = 0;
 603
 604     // selecting
 605
 606     virtual void            ListDeselectAll() = 0;
 607     virtual void            ListSetSelection( unsigned int n, bool select, bool multi ) = 0;
 608     virtual int             ListGetSelection() const = 0;
 609     virtual int             ListGetSelections( wxArrayInt& aSelections ) const = 0;
 610     virtual bool            ListIsSelected( unsigned int n ) const = 0;
 611
 612     // display
 613
 614     virtual void            ListScrollTo( unsigned int n ) = 0;
 615     virtual void            UpdateLine( unsigned int n, wxListWidgetColumn* col = NULL ) = 0;
 616     virtual void            UpdateLineToEnd( unsigned int n) = 0;
 617
 618     // accessing content
 619
 620     virtual unsigned int    ListGetCount() const = 0;
 621
 622     virtual int             DoListHitTest( const wxPoint& inpoint ) const = 0;
 623 };
 624
 625 //
 626 // interface to be implemented by a textcontrol
 627 //
 628
 629 class WXDLLIMPEXP_FWD_CORE wxTextAttr;
 630 class WXDLLIMPEXP_FWD_CORE wxTextEntry;
 631
 632 // common interface for all implementations
 633 class WXDLLIMPEXP_CORE wxTextWidgetImpl
 634
 635 {
 636 public :
 637     // Any widgets implementing this interface must be associated with a
 638     // wxTextEntry so instead of requiring the derived classes to implement
 639     // another (pure) virtual function, just take the pointer to this entry in
 640     // our ctor and implement GetTextEntry() ourselves.
 641     wxTextWidgetImpl(wxTextEntry *entry) : m_entry(entry) {}
 642
 643     virtual ~wxTextWidgetImpl() {}
 644
 645     wxTextEntry *GetTextEntry() const { return m_entry; }
 646
 647     virtual bool CanFocus() const { return true; }
 648
 649     virtual wxString GetStringValue() const = 0 ;
 650     virtual void SetStringValue( const wxString &val ) = 0 ;
 651     virtual void SetSelection( long from, long to ) = 0 ;
 652     virtual void GetSelection( long* from, long* to ) const = 0 ;
 653     virtual void WriteText( const wxString& str ) = 0 ;
 654
 655     virtual bool CanClipMaxLength() const { return false; }
 656     virtual void SetMaxLength(unsigned long WXUNUSED(len)) {}
 657
 658     virtual bool GetStyle( long position, wxTextAttr& style);
 659     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 660     virtual void Copy() ;
 661     virtual void Cut() ;
 662     virtual void Paste() ;
 663     virtual bool CanPaste() const ;
 664     virtual void SetEditable( bool editable ) ;
 665     virtual long GetLastPosition() const ;
 666     virtual void Replace( long from, long to, const wxString &str ) ;
 667     virtual void Remove( long from, long to ) ;
 668
 669
 670     virtual bool HasOwnContextMenu() const
 671         { return false ; }
 672
 673     virtual bool SetupCursor( const wxPoint& WXUNUSED(pt) )
 674         { return false ; }
 675
 676     virtual void Clear() ;
 677     virtual bool CanUndo() const;
 678     virtual void Undo() ;
 679     virtual bool CanRedo() const;
 680     virtual void Redo() ;
 681     virtual int GetNumberOfLines() const ;
 682     virtual long XYToPosition(long x, long y) const;
 683     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 684     virtual void ShowPosition(long WXUNUSED(pos)) ;
 685     virtual int GetLineLength(long lineNo) const ;
 686     virtual wxString GetLineText(long lineNo) const ;
 687     virtual void CheckSpelling(bool WXUNUSED(check)) { }
 688
 689     virtual wxSize GetBestSize() const { return wxDefaultSize; }
 690
 691     virtual bool SetHint(const wxString& WXUNUSED(hint)) { return false; }
 692 private:
 693     wxTextEntry * const m_entry;
 694
 695     wxDECLARE_NO_COPY_CLASS(wxTextWidgetImpl);
 696 };
 697
 698 // common interface for all implementations
 699 class WXDLLIMPEXP_CORE wxComboWidgetImpl
 700
 701 {
 702 public :
 703     wxComboWidgetImpl() {}
 704
 705     virtual ~wxComboWidgetImpl() {}
 706
 707     virtual int GetSelectedItem() const { return -1; }
 708     virtual void SetSelectedItem(int WXUNUSED(item)) {}
 709
 710     virtual int GetNumberOfItems() const { return -1; }
 711
 712     virtual void InsertItem(int WXUNUSED(pos), const wxString& WXUNUSED(item)) {}
 713
 714     virtual void RemoveItem(int WXUNUSED(pos)) {}
 715
 716     virtual void Clear() {}
 717     virtual void Popup() {}
 718     virtual void Dismiss() {}
 719
 720     virtual wxString GetStringAtIndex(int WXUNUSED(pos)) const { return wxEmptyString; }
 721
 722     virtual int FindString(const wxString& WXUNUSED(text)) const { return -1; }
 723 };
 724
 725 //
 726 // common interface for buttons
 727 //
 728
 729 class wxButtonImpl
 730 {
 731     public :
 732     wxButtonImpl(){}
 733     virtual ~wxButtonImpl(){}
 734
 735     virtual void SetPressedBitmap( const wxBitmap& bitmap ) = 0;
 736 } ;
 737
 738 //
 739 // common interface for search controls
 740 //
 741
 742 class wxSearchWidgetImpl
 743 {
 744 public :
 745     wxSearchWidgetImpl(){}
 746     virtual ~wxSearchWidgetImpl(){}
 747
 748     // search field options
 749     virtual void ShowSearchButton( bool show ) = 0;
 750     virtual bool IsSearchButtonVisible() const = 0;
 751
 752     virtual void ShowCancelButton( bool show ) = 0;
 753     virtual bool IsCancelButtonVisible() const = 0;
 754
 755     virtual void SetSearchMenu( wxMenu* menu ) = 0;
 756
 757     virtual void SetDescriptiveText(const wxString& text) = 0;
 758 } ;
 759
 760 //
 761 // toplevel window implementation class
 762 //
 763
 764 class wxNonOwnedWindowImpl : public wxObject
 765 {
 766 public :
 767     wxNonOwnedWindowImpl( wxNonOwnedWindow* nonownedwnd) : m_wxPeer(nonownedwnd)
 768     {
 769     }
 770     wxNonOwnedWindowImpl()
 771     {
 772     }
 773     virtual ~wxNonOwnedWindowImpl()
 774     {
 775     }
 776
 777     virtual void WillBeDestroyed()
 778     {
 779     }
 780
 781     virtual void Create( wxWindow* parent, const wxPoint& pos, const wxSize& size,
 782     long style, long extraStyle, const wxString& name ) = 0;
 783
 784
 785     virtual WXWindow GetWXWindow() const = 0;
 786
 787     virtual void Raise()
 788     {
 789     }
 790
 791     virtual void Lower()
 792     {
 793     }
 794
 795     virtual bool Show(bool WXUNUSED(show))
 796     {
 797         return false;
 798     }
 799
 800     virtual bool ShowWithEffect(bool show, wxShowEffect WXUNUSED(effect), unsigned WXUNUSED(timeout))
 801     {
 802         return Show(show);
 803     }
 804
 805     virtual void Update()
 806     {
 807     }
 808
 809     virtual bool SetTransparent(wxByte WXUNUSED(alpha))
 810     {
 811         return false;
 812     }
 813
 814     virtual bool SetBackgroundColour(const wxColour& WXUNUSED(col) )
 815     {
 816         return false;
 817     }
 818
 819     virtual void SetExtraStyle( long WXUNUSED(exStyle) )
 820     {
 821     }
 822
 823     virtual void SetWindowStyleFlag( long WXUNUSED(style) )
 824     {
 825     }
 826
 827     virtual bool SetBackgroundStyle(wxBackgroundStyle WXUNUSED(style))
 828     {
 829         return false ;
 830     }
 831
 832     virtual bool CanSetTransparent()
 833     {
 834         return false;
 835     }
 836
 837     virtual void GetContentArea( int &left , int &top , int &width , int &height ) const = 0;
 838     virtual void MoveWindow(int x, int y, int width, int height) = 0;
 839     virtual void GetPosition( int &x, int &y ) const = 0;
 840     virtual void GetSize( int &width, int &height ) const = 0;
 841
 842     virtual bool SetShape(const wxRegion& WXUNUSED(region))
 843     {
 844         return false;
 845     }
 846
 847     virtual void SetTitle( const wxString& title, wxFontEncoding encoding ) = 0;
 848
 849     virtual bool IsMaximized() const = 0;
 850
 851     virtual bool IsIconized() const= 0;
 852
 853     virtual void Iconize( bool iconize )= 0;
 854
 855     virtual void Maximize(bool maximize) = 0;
 856
 857     virtual bool IsFullScreen() const= 0;
 858
 859     virtual void ShowWithoutActivating() { Show(true); }
 860
 861     virtual bool ShowFullScreen(bool show, long style)= 0;
 862
 863     virtual void RequestUserAttention(int flags) = 0;
 864
 865     virtual void ScreenToWindow( int *x, int *y ) = 0;
 866
 867     virtual void WindowToScreen( int *x, int *y ) = 0;
 868
 869     virtual bool IsActive() = 0;
 870
 871     wxNonOwnedWindow*   GetWXPeer() { return m_wxPeer; }
 872
 873     static wxNonOwnedWindowImpl*
 874                 FindFromWXWindow(WXWindow window);
 875
 876     static void  RemoveAssociations( wxNonOwnedWindowImpl* impl);
 877
 878     static void  Associate( WXWindow window, wxNonOwnedWindowImpl *impl );
 879
 880     // static creation methods, must be implemented by all toolkits
 881
 882     static wxNonOwnedWindowImpl* CreateNonOwnedWindow( wxNonOwnedWindow* wxpeer, wxWindow* parent, WXWindow native) ;
 883
 884     static wxNonOwnedWindowImpl* CreateNonOwnedWindow( wxNonOwnedWindow* wxpeer, wxWindow* parent, const wxPoint& pos, const wxSize& size,
 885     long style, long extraStyle, const wxString& name  ) ;
 886
 887     virtual void SetModified(bool WXUNUSED(modified)) { }
 888     virtual bool IsModified() const { return false; }
 889
 890     virtual void SetRepresentedFilename(const wxString& WXUNUSED(filename)) { }
 891
 892 #if wxOSX_USE_IPHONE
 893     virtual CGFloat GetWindowLevel() const { return 0.0; }
 894 #else
 895     virtual CGWindowLevel GetWindowLevel() const { return kCGNormalWindowLevel; }
 896 #endif
 897     virtual void RestoreWindowLevel() {}
 898 protected :
 899     wxNonOwnedWindow*   m_wxPeer;
 900     DECLARE_ABSTRACT_CLASS(wxNonOwnedWindowImpl)
 901 };
 902
 903 #endif // wxUSE_GUI
 904
 905 //---------------------------------------------------------------------------
 906 // cocoa bridging utilities
 907 //---------------------------------------------------------------------------
 908
 909 bool wxMacInitCocoa();
 910
 911 class WXDLLIMPEXP_CORE wxMacAutoreleasePool
 912 {
 913 public :
 914     wxMacAutoreleasePool();
 915     ~wxMacAutoreleasePool();
 916 private :
 917     void* m_pool;
 918 };
 919
 920 // NSObject
 921
 922 void wxMacCocoaRelease( void* obj );
 923 void wxMacCocoaAutorelease( void* obj );
 924 void* wxMacCocoaRetain( void* obj );
 925
 926
 927 #endif
 928     // _WX_PRIVATE_CORE_H_