src/osx/cocoa/window.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/window.mm
   3 // Purpose:     widgets (non tlw) for cocoa
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     2008-06-20
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #ifndef WX_PRECOMP
  15     #include "wx/dcclient.h"
  16     #include "wx/frame.h"
  17     #include "wx/log.h"
  18     #include "wx/textctrl.h"
  19     #include "wx/combobox.h"
  20 #endif
  21
  22 #ifdef __WXMAC__
  23     #include "wx/osx/private.h"
  24 #endif
  25
  26 #include "wx/evtloop.h"
  27
  28 #if wxUSE_CARET
  29     #include "wx/caret.h"
  30 #endif
  31
  32 #if wxUSE_DRAG_AND_DROP
  33     #include "wx/dnd.h"
  34 #endif
  35
  36 #if wxUSE_TOOLTIPS
  37     #include "wx/tooltip.h"
  38 #endif
  39
  40 #include <objc/objc-runtime.h>
  41
  42 // Get the window with the focus
  43
  44 NSView* GetViewFromResponder( NSResponder* responder )
  45 {
  46     NSView* view = nil;
  47     if ( [responder isKindOfClass:[NSTextView class]] )
  48     {
  49         NSView* delegate = (NSView*) [(NSTextView*)responder delegate];
  50         if ( [delegate isKindOfClass:[NSTextField class] ] )
  51             view = delegate;
  52         else
  53             view =  (NSView*) responder;
  54     }
  55     else
  56     {
  57         if ( [responder isKindOfClass:[NSView class]] )
  58             view = (NSView*) responder;
  59     }
  60     return view;
  61 }
  62
  63 NSView* GetFocusedViewInWindow( NSWindow* keyWindow )
  64 {
  65     NSView* focusedView = nil;
  66     if ( keyWindow != nil )
  67         focusedView = GetViewFromResponder([keyWindow firstResponder]);
  68
  69     return focusedView;
  70 }
  71
  72 WXWidget wxWidgetImpl::FindFocus()
  73 {
  74     return GetFocusedViewInWindow( [NSApp keyWindow] );
  75 }
  76
  77 NSRect wxOSXGetFrameForControl( wxWindowMac* window , const wxPoint& pos , const wxSize &size , bool adjustForOrigin )
  78 {
  79     int x, y, w, h ;
  80
  81     window->MacGetBoundsForControl( pos , size , x , y, w, h , adjustForOrigin ) ;
  82     wxRect bounds(x,y,w,h);
  83     NSView* sv = (window->GetParent()->GetHandle() );
  84
  85     return wxToNSRect( sv, bounds );
  86 }
  87
  88 @interface wxNSView : NSView
  89 {
  90     NSTrackingRectTag rectTag;
  91 #if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
  92     NSTrackingArea* _trackingArea;
  93 #endif
  94 }
  95
  96 // the tracking tag is needed to track mouse enter / exit events
  97 - (void) setTrackingTag: (NSTrackingRectTag)tag;
  98 - (NSTrackingRectTag) trackingTag;
  99 #if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
 100 // under 10.5 we can also track mouse moved events on non-focused windows if
 101 // we use the new NSTrackingArea APIs.
 102 - (void) updateTrackingArea;
 103 - (NSTrackingArea*) trackingArea;
 104 #endif
 105 @end // wxNSView
 106
 107 @interface NSView(PossibleMethods)
 108 - (void)setTitle:(NSString *)aString;
 109 - (void)setStringValue:(NSString *)aString;
 110 - (void)setIntValue:(int)anInt;
 111 - (void)setFloatValue:(float)aFloat;
 112 - (void)setDoubleValue:(double)aDouble;
 113
 114 - (double)minValue;
 115 - (double)maxValue;
 116 - (void)setMinValue:(double)aDouble;
 117 - (void)setMaxValue:(double)aDouble;
 118
 119 - (void)sizeToFit;
 120
 121 - (BOOL)isEnabled;
 122 - (void)setEnabled:(BOOL)flag;
 123
 124 - (void)setImage:(NSImage *)image;
 125 - (void)setControlSize:(NSControlSize)size;
 126
 127 - (void)setFont:(NSFont *)fontObject;
 128
 129 - (id)contentView;
 130
 131 - (void)setTarget:(id)anObject;
 132 - (void)setAction:(SEL)aSelector;
 133 - (void)setDoubleAction:(SEL)aSelector;
 134 - (void)setBackgroundColor:(NSColor*)aColor;
 135 - (void)setOpaque:(BOOL)opaque;
 136 - (void)setTextColor:(NSColor *)color;
 137 - (void)setImagePosition:(NSCellImagePosition)aPosition;
 138 @end
 139
 140 long wxOSXTranslateCocoaKey( NSEvent* event )
 141 {
 142     long retval = 0;
 143
 144     if ([event type] != NSFlagsChanged)
 145     {
 146         NSString* s = [event charactersIgnoringModifiers];
 147         // backspace char reports as delete w/modifiers for some reason
 148         if ([s length] == 1)
 149         {
 150             switch ( [s characterAtIndex:0] )
 151             {
 152                 // backspace key
 153                 case 0x7F :
 154                 case 8 :
 155                     retval = WXK_BACK;
 156                     break;
 157                 case NSUpArrowFunctionKey :
 158                     retval = WXK_UP;
 159                     break;
 160                 case NSDownArrowFunctionKey :
 161                     retval = WXK_DOWN;
 162                     break;
 163                 case NSLeftArrowFunctionKey :
 164                     retval = WXK_LEFT;
 165                     break;
 166                 case NSRightArrowFunctionKey :
 167                     retval = WXK_RIGHT;
 168                     break;
 169                 case NSInsertFunctionKey  :
 170                     retval = WXK_INSERT;
 171                     break;
 172                 case NSDeleteFunctionKey  :
 173                     retval = WXK_DELETE;
 174                     break;
 175                 case NSHomeFunctionKey  :
 176                     retval = WXK_HOME;
 177                     break;
 178         //        case NSBeginFunctionKey  :
 179         //            retval = WXK_BEGIN;
 180         //            break;
 181                 case NSEndFunctionKey  :
 182                     retval = WXK_END;
 183                     break;
 184                 case NSPageUpFunctionKey  :
 185                     retval = WXK_PAGEUP;
 186                     break;
 187                case NSPageDownFunctionKey  :
 188                     retval = WXK_PAGEDOWN;
 189                     break;
 190                case NSHelpFunctionKey  :
 191                     retval = WXK_HELP;
 192                     break;
 193                 default:
 194                     int intchar = [s characterAtIndex: 0];
 195                     if ( intchar >= NSF1FunctionKey && intchar <= NSF24FunctionKey )
 196                         retval = WXK_F1 + (intchar - NSF1FunctionKey );
 197                     break;
 198             }
 199         }
 200     }
 201
 202     // Some keys don't seem to have constants. The code mimics the approach
 203     // taken by WebKit. See:
 204     // http://trac.webkit.org/browser/trunk/WebCore/platform/mac/KeyEventMac.mm
 205     switch( [event keyCode] )
 206     {
 207         // command key
 208         case 54:
 209         case 55:
 210             retval = WXK_COMMAND;
 211             break;
 212         // caps locks key
 213         case 57: // Capslock
 214             retval = WXK_CAPITAL;
 215             break;
 216         // shift key
 217         case 56: // Left Shift
 218         case 60: // Right Shift
 219             retval = WXK_SHIFT;
 220             break;
 221         // alt key
 222         case 58: // Left Alt
 223         case 61: // Right Alt
 224             retval = WXK_ALT;
 225             break;
 226         // ctrl key
 227         case 59: // Left Ctrl
 228         case 62: // Right Ctrl
 229             retval = WXK_CONTROL;
 230             break;
 231         // clear key
 232         case 71:
 233             retval = WXK_CLEAR;
 234             break;
 235         // tab key
 236         case 48:
 237             retval = WXK_TAB;
 238             break;
 239
 240         case 75: // /
 241             retval = WXK_NUMPAD_DIVIDE;
 242             break;
 243         case 67: // *
 244             retval = WXK_NUMPAD_MULTIPLY;
 245             break;
 246         case 78: // -
 247             retval = WXK_NUMPAD_SUBTRACT;
 248             break;
 249         case 69: // +
 250             retval = WXK_NUMPAD_ADD;
 251             break;
 252         case 76: // Enter
 253             retval = WXK_NUMPAD_ENTER;
 254             break;
 255         case 65: // .
 256             retval = WXK_NUMPAD_DECIMAL;
 257             break;
 258         case 82: // 0
 259             retval = WXK_NUMPAD0;
 260             break;
 261         case 83: // 1
 262             retval = WXK_NUMPAD1;
 263             break;
 264         case 84: // 2
 265             retval = WXK_NUMPAD2;
 266             break;
 267         case 85: // 3
 268             retval = WXK_NUMPAD3;
 269             break;
 270         case 86: // 4
 271             retval = WXK_NUMPAD4;
 272             break;
 273         case 87: // 5
 274             retval = WXK_NUMPAD5;
 275             break;
 276         case 88: // 6
 277             retval = WXK_NUMPAD6;
 278             break;
 279         case 89: // 7
 280             retval = WXK_NUMPAD7;
 281             break;
 282         case 91: // 8
 283             retval = WXK_NUMPAD8;
 284             break;
 285         case 92: // 9
 286             retval = WXK_NUMPAD9;
 287             break;
 288         default:
 289             //retval = [event keyCode];
 290             break;
 291     }
 292     return retval;
 293 }
 294
 295 void wxWidgetCocoaImpl::SetupKeyEvent(wxKeyEvent &wxevent , NSEvent * nsEvent, NSString* charString)
 296 {
 297     UInt32 modifiers = [nsEvent modifierFlags] ;
 298     int eventType = [nsEvent type];
 299
 300     wxevent.m_shiftDown = modifiers & NSShiftKeyMask;
 301     wxevent.m_controlDown = modifiers & NSControlKeyMask;
 302     wxevent.m_altDown = modifiers & NSAlternateKeyMask;
 303     wxevent.m_metaDown = modifiers & NSCommandKeyMask;
 304
 305     wxevent.m_rawCode = [nsEvent keyCode];
 306     wxevent.m_rawFlags = modifiers;
 307
 308     wxevent.SetTimestamp( (int)([nsEvent timestamp] * 1000) ) ;
 309
 310     wxString chars;
 311     if ( eventType != NSFlagsChanged )
 312     {
 313         NSString* nschars = [nsEvent charactersIgnoringModifiers];
 314         if ( charString )
 315         {
 316             // if charString is set, it did not come from key up / key down
 317             wxevent.SetEventType( wxEVT_CHAR );
 318             chars = wxCFStringRef::AsString(charString);
 319         }
 320         else if ( nschars )
 321         {
 322             chars = wxCFStringRef::AsString(nschars);
 323         }
 324     }
 325
 326     int aunichar = chars.Length() > 0 ? chars[0] : 0;
 327     long keyval = 0;
 328
 329     if (wxevent.GetEventType() != wxEVT_CHAR)
 330     {
 331         keyval = wxOSXTranslateCocoaKey(nsEvent) ;
 332         switch (eventType)
 333         {
 334             case NSKeyDown :
 335                 wxevent.SetEventType( wxEVT_KEY_DOWN )  ;
 336                 break;
 337             case NSKeyUp :
 338                 wxevent.SetEventType( wxEVT_KEY_UP )  ;
 339                 break;
 340             case NSFlagsChanged :
 341                 switch (keyval)
 342                 {
 343                     case WXK_CONTROL:
 344                         wxevent.SetEventType( wxevent.m_controlDown ? wxEVT_KEY_DOWN : wxEVT_KEY_UP);
 345                         break;
 346                     case WXK_SHIFT:
 347                         wxevent.SetEventType( wxevent.m_shiftDown ? wxEVT_KEY_DOWN : wxEVT_KEY_UP);
 348                         break;
 349                     case WXK_ALT:
 350                         wxevent.SetEventType( wxevent.m_altDown ? wxEVT_KEY_DOWN : wxEVT_KEY_UP);
 351                         break;
 352                     case WXK_COMMAND:
 353                         wxevent.SetEventType( wxevent.m_metaDown ? wxEVT_KEY_DOWN : wxEVT_KEY_UP);
 354                         break;
 355                 }
 356                 break;
 357             default :
 358                 break ;
 359         }
 360     }
 361
 362     if ( !keyval )
 363     {
 364         if ( wxevent.GetEventType() == wxEVT_KEY_UP || wxevent.GetEventType() == wxEVT_KEY_DOWN )
 365             keyval = wxToupper( aunichar ) ;
 366         else
 367             keyval = aunichar;
 368     }
 369
 370 #if wxUSE_UNICODE
 371     wxevent.m_uniChar = aunichar;
 372 #endif
 373     wxevent.m_keyCode = keyval;
 374
 375     wxWindowMac* peer = GetWXPeer();
 376     if ( peer )
 377     {
 378         wxevent.SetEventObject(peer);
 379         wxevent.SetId(peer->GetId()) ;
 380     }
 381 }
 382
 383 UInt32 g_lastButton = 0 ;
 384 bool g_lastButtonWasFakeRight = false ;
 385
 386 // better scroll wheel support
 387 // see http://lists.apple.com/archives/cocoa-dev/2007/Feb/msg00050.html
 388
 389 @interface NSEvent (DeviceDelta)
 390 - (CGFloat)deviceDeltaX;
 391 - (CGFloat)deviceDeltaY;
 392 @end
 393
 394 void wxWidgetCocoaImpl::SetupMouseEvent( wxMouseEvent &wxevent , NSEvent * nsEvent )
 395 {
 396     int eventType = [nsEvent type];
 397     UInt32 modifiers = [nsEvent modifierFlags] ;
 398
 399     NSPoint locationInWindow = [nsEvent locationInWindow];
 400
 401     // adjust coordinates for the window of the target view
 402     if ( [nsEvent window] != [m_osxView window] )
 403     {
 404         if ( [nsEvent window] != nil )
 405             locationInWindow = [[nsEvent window] convertBaseToScreen:locationInWindow];
 406
 407         if ( [m_osxView window] != nil )
 408             locationInWindow = [[m_osxView window] convertScreenToBase:locationInWindow];
 409     }
 410
 411     NSPoint locationInView = [m_osxView convertPoint:locationInWindow fromView:nil];
 412     wxPoint locationInViewWX = wxFromNSPoint( m_osxView, locationInView );
 413
 414     // these parameters are not given for all events
 415     UInt32 button = [nsEvent buttonNumber];
 416     UInt32 clickCount = 0;
 417
 418     wxevent.m_x = locationInViewWX.x;
 419     wxevent.m_y = locationInViewWX.y;
 420     wxevent.m_shiftDown = modifiers & NSShiftKeyMask;
 421     wxevent.m_controlDown = modifiers & NSControlKeyMask;
 422     wxevent.m_altDown = modifiers & NSAlternateKeyMask;
 423     wxevent.m_metaDown = modifiers & NSCommandKeyMask;
 424     wxevent.SetTimestamp( (int)([nsEvent timestamp] * 1000) ) ;
 425
 426     UInt32 mouseChord = 0;
 427
 428     switch (eventType)
 429     {
 430         case NSLeftMouseDown :
 431         case NSLeftMouseDragged :
 432             mouseChord = 1U;
 433             break;
 434         case NSRightMouseDown :
 435         case NSRightMouseDragged :
 436             mouseChord = 2U;
 437             break;
 438         case NSOtherMouseDown :
 439         case NSOtherMouseDragged :
 440             mouseChord = 4U;
 441             break;
 442     }
 443
 444     // a control click is interpreted as a right click
 445     bool thisButtonIsFakeRight = false ;
 446     if ( button == 0 && (modifiers & NSControlKeyMask) )
 447     {
 448         button = 1 ;
 449         thisButtonIsFakeRight = true ;
 450     }
 451
 452     // otherwise we report double clicks by connecting a left click with a ctrl-left click
 453     if ( clickCount > 1 && button != g_lastButton )
 454         clickCount = 1 ;
 455
 456     // we must make sure that our synthetic 'right' button corresponds in
 457     // mouse down, moved and mouse up, and does not deliver a right down and left up
 458     switch (eventType)
 459     {
 460         case NSLeftMouseDown :
 461         case NSRightMouseDown :
 462         case NSOtherMouseDown :
 463             g_lastButton = button ;
 464             g_lastButtonWasFakeRight = thisButtonIsFakeRight ;
 465             break;
 466      }
 467
 468     if ( button == 0 )
 469     {
 470         g_lastButton = 0 ;
 471         g_lastButtonWasFakeRight = false ;
 472     }
 473     else if ( g_lastButton == 1 && g_lastButtonWasFakeRight )
 474         button = g_lastButton ;
 475
 476     // Adjust the chord mask to remove the primary button and add the
 477     // secondary button.  It is possible that the secondary button is
 478     // already pressed, e.g. on a mouse connected to a laptop, but this
 479     // possibility is ignored here:
 480     if( thisButtonIsFakeRight && ( mouseChord & 1U ) )
 481         mouseChord = ((mouseChord & ~1U) | 2U);
 482
 483     if(mouseChord & 1U)
 484                 wxevent.m_leftDown = true ;
 485     if(mouseChord & 2U)
 486                 wxevent.m_rightDown = true ;
 487     if(mouseChord & 4U)
 488                 wxevent.m_middleDown = true ;
 489
 490     // translate into wx types
 491     switch (eventType)
 492     {
 493         case NSLeftMouseDown :
 494         case NSRightMouseDown :
 495         case NSOtherMouseDown :
 496             clickCount = [nsEvent clickCount];
 497             switch ( button )
 498             {
 499                 case 0 :
 500                     wxevent.SetEventType( clickCount > 1 ? wxEVT_LEFT_DCLICK : wxEVT_LEFT_DOWN )  ;
 501                     break ;
 502
 503                 case 1 :
 504                     wxevent.SetEventType( clickCount > 1 ? wxEVT_RIGHT_DCLICK : wxEVT_RIGHT_DOWN ) ;
 505                     break ;
 506
 507                 case 2 :
 508                     wxevent.SetEventType( clickCount > 1 ? wxEVT_MIDDLE_DCLICK : wxEVT_MIDDLE_DOWN ) ;
 509                     break ;
 510
 511                 default:
 512                     break ;
 513             }
 514             break ;
 515
 516         case NSLeftMouseUp :
 517         case NSRightMouseUp :
 518         case NSOtherMouseUp :
 519             clickCount = [nsEvent clickCount];
 520             switch ( button )
 521             {
 522                 case 0 :
 523                     wxevent.SetEventType( wxEVT_LEFT_UP )  ;
 524                     break ;
 525
 526                 case 1 :
 527                     wxevent.SetEventType( wxEVT_RIGHT_UP ) ;
 528                     break ;
 529
 530                 case 2 :
 531                     wxevent.SetEventType( wxEVT_MIDDLE_UP ) ;
 532                     break ;
 533
 534                 default:
 535                     break ;
 536             }
 537             break ;
 538
 539      case NSScrollWheel :
 540         {
 541             float deltaX = 0.0;
 542             float deltaY = 0.0;
 543
 544             wxevent.SetEventType( wxEVT_MOUSEWHEEL ) ;
 545
 546             // see http://developer.apple.com/qa/qa2005/qa1453.html
 547             // for more details on why we have to look for the exact type
 548
 549             const EventRef cEvent = (EventRef) [nsEvent eventRef];
 550             bool isMouseScrollEvent = false;
 551             if ( cEvent )
 552                 isMouseScrollEvent = ::GetEventKind(cEvent) == kEventMouseScroll;
 553
 554             if ( isMouseScrollEvent )
 555             {
 556                 deltaX = [nsEvent deviceDeltaX];
 557                 deltaY = [nsEvent deviceDeltaY];
 558             }
 559             else
 560             {
 561                 deltaX = ([nsEvent deltaX] * 10);
 562                 deltaY = ([nsEvent deltaY] * 10);
 563             }
 564
 565             wxevent.m_wheelDelta = 10;
 566             wxevent.m_linesPerAction = 1;
 567
 568             if ( fabs(deltaX) > fabs(deltaY) )
 569             {
 570                 wxevent.m_wheelAxis = 1;
 571                 wxevent.m_wheelRotation = (int)deltaX;
 572             }
 573             else
 574             {
 575                 wxevent.m_wheelRotation = (int)deltaY;
 576             }
 577
 578         }
 579         break ;
 580
 581         case NSMouseEntered :
 582             wxevent.SetEventType( wxEVT_ENTER_WINDOW ) ;
 583             break;
 584         case NSMouseExited :
 585             wxevent.SetEventType( wxEVT_LEAVE_WINDOW ) ;
 586             break;
 587         case NSLeftMouseDragged :
 588         case NSRightMouseDragged :
 589         case NSOtherMouseDragged :
 590         case NSMouseMoved :
 591             wxevent.SetEventType( wxEVT_MOTION ) ;
 592             break;
 593         default :
 594             break ;
 595     }
 596
 597     wxevent.m_clickCount = clickCount;
 598     wxWindowMac* peer = GetWXPeer();
 599     if ( peer )
 600     {
 601         wxevent.SetEventObject(peer);
 602         wxevent.SetId(peer->GetId()) ;
 603     }
 604 }
 605
 606 @implementation wxNSView
 607
 608 + (void)initialize
 609 {
 610     static BOOL initialized = NO;
 611     if (!initialized)
 612     {
 613         initialized = YES;
 614         wxOSXCocoaClassAddWXMethods( self );
 615     }
 616 }
 617
 618 - (void) setTrackingTag: (NSTrackingRectTag)tag
 619 {
 620     rectTag = tag;
 621 }
 622
 623 - (NSTrackingRectTag) trackingTag
 624 {
 625     return rectTag;
 626 }
 627
 628 #if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
 629 - (void) updateTrackingArea
 630 {
 631     if (_trackingArea)
 632     {
 633         [self removeTrackingArea: _trackingArea];
 634         [_trackingArea release];
 635     }
 636
 637     NSTrackingAreaOptions options = NSTrackingMouseEnteredAndExited|NSTrackingMouseMoved|NSTrackingActiveAlways;
 638
 639     NSTrackingArea* area = [[NSTrackingArea alloc] initWithRect: [self bounds] options: options owner: self userInfo: nil];
 640     [self addTrackingArea: area];
 641
 642     _trackingArea = area;
 643 }
 644
 645 - (NSTrackingArea*) trackingArea
 646 {
 647     return _trackingArea;
 648 }
 649 #endif
 650 @end // wxNSView
 651
 652 //
 653 // event handlers
 654 //
 655
 656 #if wxUSE_DRAG_AND_DROP
 657
 658 // see http://lists.apple.com/archives/Cocoa-dev/2005/Jul/msg01244.html
 659 // for details on the NSPasteboard -> PasteboardRef conversion
 660
 661 NSDragOperation wxOSX_draggingEntered( id self, SEL _cmd, id <NSDraggingInfo>sender )
 662 {
 663     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 664     if (impl == NULL)
 665         return NSDragOperationNone;
 666
 667     return impl->draggingEntered(sender, self, _cmd);
 668 }
 669
 670 void wxOSX_draggingExited( id self, SEL _cmd, id <NSDraggingInfo> sender )
 671 {
 672     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 673     if (impl == NULL)
 674         return ;
 675
 676     return impl->draggingExited(sender, self, _cmd);
 677 }
 678
 679 NSDragOperation wxOSX_draggingUpdated( id self, SEL _cmd, id <NSDraggingInfo>sender )
 680 {
 681     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 682     if (impl == NULL)
 683         return NSDragOperationNone;
 684
 685     return impl->draggingUpdated(sender, self, _cmd);
 686 }
 687
 688 BOOL wxOSX_performDragOperation( id self, SEL _cmd, id <NSDraggingInfo> sender )
 689 {
 690     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 691     if (impl == NULL)
 692         return NSDragOperationNone;
 693
 694     return impl->performDragOperation(sender, self, _cmd) ? YES:NO ;
 695 }
 696
 697 #endif
 698
 699 void wxOSX_mouseEvent(NSView* self, SEL _cmd, NSEvent *event)
 700 {
 701     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 702     if (impl == NULL)
 703         return;
 704
 705     impl->mouseEvent(event, self, _cmd);
 706 }
 707
 708 BOOL wxOSX_acceptsFirstMouse(NSView* WXUNUSED(self), SEL WXUNUSED(_cmd), NSEvent *WXUNUSED(event))
 709 {
 710     // This is needed to support click through, otherwise the first click on a window
 711     // will not do anything unless it is the active window already.
 712     return YES;
 713 }
 714
 715 void wxOSX_keyEvent(NSView* self, SEL _cmd, NSEvent *event)
 716 {
 717     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 718     if (impl == NULL)
 719         return;
 720
 721     impl->keyEvent(event, self, _cmd);
 722 }
 723
 724 void wxOSX_insertText(NSView* self, SEL _cmd, NSString* text)
 725 {
 726     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 727     if (impl == NULL)
 728         return;
 729
 730     impl->insertText(text, self, _cmd);
 731 }
 732
 733 BOOL wxOSX_performKeyEquivalent(NSView* self, SEL _cmd, NSEvent *event)
 734 {
 735     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 736     if (impl == NULL)
 737         return NO;
 738
 739     return impl->performKeyEquivalent(event, self, _cmd);
 740 }
 741
 742 BOOL wxOSX_acceptsFirstResponder(NSView* self, SEL _cmd)
 743 {
 744     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 745     if (impl == NULL)
 746         return NO;
 747
 748     return impl->acceptsFirstResponder(self, _cmd);
 749 }
 750
 751 BOOL wxOSX_becomeFirstResponder(NSView* self, SEL _cmd)
 752 {
 753     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 754     if (impl == NULL)
 755         return NO;
 756
 757     return impl->becomeFirstResponder(self, _cmd);
 758 }
 759
 760 BOOL wxOSX_resignFirstResponder(NSView* self, SEL _cmd)
 761 {
 762     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 763     if (impl == NULL)
 764         return NO;
 765
 766     return impl->resignFirstResponder(self, _cmd);
 767 }
 768
 769 void wxOSX_resetCursorRects(NSView* self, SEL _cmd)
 770 {
 771     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 772     if (impl == NULL)
 773         return;
 774
 775     impl->resetCursorRects(self, _cmd);
 776 }
 777
 778 BOOL wxOSX_isFlipped(NSView* self, SEL _cmd)
 779 {
 780     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 781     if (impl == NULL)
 782         return NO;
 783
 784     return impl->isFlipped(self, _cmd) ? YES:NO;
 785 }
 786
 787 typedef void (*wxOSX_DrawRectHandlerPtr)(NSView* self, SEL _cmd, NSRect rect);
 788
 789 void wxOSX_drawRect(NSView* self, SEL _cmd, NSRect rect)
 790 {
 791     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 792     if (impl == NULL)
 793         return;
 794
 795 #ifdef wxUSE_THREADS
 796     // OS X starts a NSUIHeartBeatThread for animating the default button in a
 797     // dialog. This causes a drawRect of the active dialog from outside the
 798     // main UI thread. This causes an occasional crash since the wx drawing
 799     // objects (like wxPen) are not thread safe.
 800     //
 801     // Notice that NSUIHeartBeatThread seems to be undocumented and doing
 802     // [NSWindow setAllowsConcurrentViewDrawing:NO] does not affect it.
 803     if ( !wxThread::IsMain() )
 804     {
 805       // just call the superclass handler, we don't need any custom wx drawing
 806       // here and it seems to work fine:
 807       wxOSX_DrawRectHandlerPtr
 808           superimpl = (wxOSX_DrawRectHandlerPtr)
 809                         [[self superclass] instanceMethodForSelector:_cmd];
 810       superimpl(self, _cmd, rect);
 811       return;
 812     }
 813 #endif // wxUSE_THREADS
 814
 815     return impl->drawRect(&rect, self, _cmd);
 816 }
 817
 818 void wxOSX_controlAction(NSView* self, SEL _cmd, id sender)
 819 {
 820     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 821     if (impl == NULL)
 822         return;
 823
 824     impl->controlAction(self, _cmd, sender);
 825 }
 826
 827 void wxOSX_controlDoubleAction(NSView* self, SEL _cmd, id sender)
 828 {
 829     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 830     if (impl == NULL)
 831         return;
 832
 833     impl->controlDoubleAction(self, _cmd, sender);
 834 }
 835
 836 unsigned int wxWidgetCocoaImpl::draggingEntered(void* s, WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd))
 837 {
 838     id <NSDraggingInfo>sender = (id <NSDraggingInfo>) s;
 839     NSPasteboard *pboard = [sender draggingPasteboard];
 840     NSDragOperation sourceDragMask = [sender draggingSourceOperationMask];
 841
 842     wxWindow* wxpeer = GetWXPeer();
 843     if ( wxpeer == NULL )
 844         return NSDragOperationNone;
 845
 846     wxDropTarget* target = wxpeer->GetDropTarget();
 847     if ( target == NULL )
 848         return NSDragOperationNone;
 849
 850     wxDragResult result = wxDragNone;
 851     NSPoint nspoint = [m_osxView convertPoint:[sender draggingLocation] fromView:nil];
 852     wxPoint pt = wxFromNSPoint( m_osxView, nspoint );
 853
 854     if ( sourceDragMask & NSDragOperationLink )
 855         result = wxDragLink;
 856     else if ( sourceDragMask & NSDragOperationCopy )
 857         result = wxDragCopy;
 858     else if ( sourceDragMask & NSDragOperationMove )
 859         result = wxDragMove;
 860
 861     PasteboardRef pboardRef;
 862     PasteboardCreate((CFStringRef)[pboard name], &pboardRef);
 863     target->SetCurrentDragPasteboard(pboardRef);
 864     result = target->OnEnter(pt.x, pt.y, result);
 865     CFRelease(pboardRef);
 866
 867     NSDragOperation nsresult = NSDragOperationNone;
 868     switch (result )
 869     {
 870         case wxDragLink:
 871             nsresult = NSDragOperationLink;
 872         case wxDragMove:
 873             nsresult = NSDragOperationMove;
 874         case wxDragCopy:
 875             nsresult = NSDragOperationCopy;
 876         default :
 877             break;
 878     }
 879     return nsresult;
 880 }
 881
 882 void wxWidgetCocoaImpl::draggingExited(void* s, WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd))
 883 {
 884     id <NSDraggingInfo>sender = (id <NSDraggingInfo>) s;
 885     NSPasteboard *pboard = [sender draggingPasteboard];
 886
 887     wxWindow* wxpeer = GetWXPeer();
 888     if ( wxpeer == NULL )
 889         return;
 890
 891     wxDropTarget* target = wxpeer->GetDropTarget();
 892     if ( target == NULL )
 893         return;
 894
 895     PasteboardRef pboardRef;
 896     PasteboardCreate((CFStringRef)[pboard name], &pboardRef);
 897     target->SetCurrentDragPasteboard(pboardRef);
 898     target->OnLeave();
 899     CFRelease(pboardRef);
 900  }
 901
 902 unsigned int wxWidgetCocoaImpl::draggingUpdated(void* s, WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd))
 903 {
 904     id <NSDraggingInfo>sender = (id <NSDraggingInfo>) s;
 905     NSPasteboard *pboard = [sender draggingPasteboard];
 906     NSDragOperation sourceDragMask = [sender draggingSourceOperationMask];
 907
 908     wxWindow* wxpeer = GetWXPeer();
 909     if ( wxpeer == NULL )
 910         return NSDragOperationNone;
 911
 912     wxDropTarget* target = wxpeer->GetDropTarget();
 913     if ( target == NULL )
 914         return NSDragOperationNone;
 915
 916     wxDragResult result = wxDragNone;
 917     NSPoint nspoint = [m_osxView convertPoint:[sender draggingLocation] fromView:nil];
 918     wxPoint pt = wxFromNSPoint( m_osxView, nspoint );
 919
 920     if ( sourceDragMask & NSDragOperationLink )
 921         result = wxDragLink;
 922     else if ( sourceDragMask & NSDragOperationCopy )
 923         result = wxDragCopy;
 924     else if ( sourceDragMask & NSDragOperationMove )
 925         result = wxDragMove;
 926
 927     PasteboardRef pboardRef;
 928     PasteboardCreate((CFStringRef)[pboard name], &pboardRef);
 929     target->SetCurrentDragPasteboard(pboardRef);
 930     result = target->OnDragOver(pt.x, pt.y, result);
 931     CFRelease(pboardRef);
 932
 933     NSDragOperation nsresult = NSDragOperationNone;
 934     switch (result )
 935     {
 936         case wxDragLink:
 937             nsresult = NSDragOperationLink;
 938         case wxDragMove:
 939             nsresult = NSDragOperationMove;
 940         case wxDragCopy:
 941             nsresult = NSDragOperationCopy;
 942         default :
 943             break;
 944     }
 945     return nsresult;
 946 }
 947
 948 bool wxWidgetCocoaImpl::performDragOperation(void* s, WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd))
 949 {
 950     id <NSDraggingInfo>sender = (id <NSDraggingInfo>) s;
 951
 952     NSPasteboard *pboard = [sender draggingPasteboard];
 953     NSDragOperation sourceDragMask = [sender draggingSourceOperationMask];
 954
 955     wxWindow* wxpeer = GetWXPeer();
 956     wxDropTarget* target = wxpeer->GetDropTarget();
 957     wxDragResult result = wxDragNone;
 958     NSPoint nspoint = [m_osxView convertPoint:[sender draggingLocation] fromView:nil];
 959     wxPoint pt = wxFromNSPoint( m_osxView, nspoint );
 960
 961     if ( sourceDragMask & NSDragOperationLink )
 962         result = wxDragLink;
 963     else if ( sourceDragMask & NSDragOperationCopy )
 964         result = wxDragCopy;
 965     else if ( sourceDragMask & NSDragOperationMove )
 966         result = wxDragMove;
 967
 968     PasteboardRef pboardRef;
 969     PasteboardCreate((CFStringRef)[pboard name], &pboardRef);
 970     target->SetCurrentDragPasteboard(pboardRef);
 971
 972     if (target->OnDrop(pt.x, pt.y))
 973         result = target->OnData(pt.x, pt.y, result);
 974
 975     CFRelease(pboardRef);
 976
 977     return result != wxDragNone;
 978 }
 979
 980 typedef void (*wxOSX_TextEventHandlerPtr)(NSView* self, SEL _cmd, NSString *event);
 981 typedef void (*wxOSX_EventHandlerPtr)(NSView* self, SEL _cmd, NSEvent *event);
 982 typedef BOOL (*wxOSX_PerformKeyEventHandlerPtr)(NSView* self, SEL _cmd, NSEvent *event);
 983 typedef BOOL (*wxOSX_FocusHandlerPtr)(NSView* self, SEL _cmd);
 984 typedef BOOL (*wxOSX_ResetCursorRectsHandlerPtr)(NSView* self, SEL _cmd);
 985
 986 void wxWidgetCocoaImpl::mouseEvent(WX_NSEvent event, WXWidget slf, void *_cmd)
 987 {
 988     if ( !DoHandleMouseEvent(event) )
 989     {
 990         // for plain NSView mouse events would propagate to parents otherwise
 991         if (!IsUserPane())
 992         {
 993             wxOSX_EventHandlerPtr superimpl = (wxOSX_EventHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
 994             superimpl(slf, (SEL)_cmd, event);
 995         }
 996     }
 997 }
 998
 999 void wxWidgetCocoaImpl::keyEvent(WX_NSEvent event, WXWidget slf, void *_cmd)
1000 {
1001     if ( [event type] == NSKeyDown )
1002     {
1003         // there are key equivalents that are not command-combos and therefore not handled by cocoa automatically,
1004         // therefore we call the menubar directly here, exit if the menu is handling the shortcut
1005         if ( [[[NSApplication sharedApplication] mainMenu] performKeyEquivalent:event] )
1006             return;
1007
1008         m_lastKeyDownEvent = event;
1009     }
1010
1011     if ( GetFocusedViewInWindow([slf window]) != slf || m_hasEditor || !DoHandleKeyEvent(event) )
1012     {
1013         wxOSX_EventHandlerPtr superimpl = (wxOSX_EventHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
1014         superimpl(slf, (SEL)_cmd, event);
1015     }
1016     m_lastKeyDownEvent = NULL;
1017 }
1018
1019 void wxWidgetCocoaImpl::insertText(NSString* text, WXWidget slf, void *_cmd)
1020 {
1021     if ( m_lastKeyDownEvent==NULL || m_hasEditor || !DoHandleCharEvent(m_lastKeyDownEvent, text) )
1022     {
1023         wxOSX_TextEventHandlerPtr superimpl = (wxOSX_TextEventHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
1024         superimpl(slf, (SEL)_cmd, text);
1025     }
1026 }
1027
1028
1029 bool wxWidgetCocoaImpl::performKeyEquivalent(WX_NSEvent event, WXWidget slf, void *_cmd)
1030 {
1031     bool handled = false;
1032
1033     wxKeyEvent wxevent(wxEVT_KEY_DOWN);
1034     SetupKeyEvent( wxevent, event );
1035
1036     // because performKeyEquivalent is going up the entire view hierarchy, we don't have to
1037     // walk up the ancestors ourselves but let cocoa do it
1038
1039     int command = m_wxPeer->GetAcceleratorTable()->GetCommand( wxevent );
1040     if (command != -1)
1041     {
1042         wxEvtHandler * const handler = m_wxPeer->GetEventHandler();
1043
1044         wxCommandEvent command_event( wxEVT_COMMAND_MENU_SELECTED, command );
1045         handled = handler->ProcessEvent( command_event );
1046
1047         if ( !handled )
1048         {
1049             // accelerators can also be used with buttons, try them too
1050             command_event.SetEventType(wxEVT_COMMAND_BUTTON_CLICKED);
1051             handled = handler->ProcessEvent( command_event );
1052         }
1053     }
1054
1055     if ( !handled )
1056     {
1057         wxOSX_PerformKeyEventHandlerPtr superimpl = (wxOSX_PerformKeyEventHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
1058         return superimpl(slf, (SEL)_cmd, event);
1059     }
1060     return YES;
1061 }
1062
1063 bool wxWidgetCocoaImpl::acceptsFirstResponder(WXWidget slf, void *_cmd)
1064 {
1065     if ( IsUserPane() )
1066         return m_wxPeer->AcceptsFocus();
1067     else
1068     {
1069         wxOSX_FocusHandlerPtr superimpl = (wxOSX_FocusHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
1070         return superimpl(slf, (SEL)_cmd);
1071     }
1072 }
1073
1074 bool wxWidgetCocoaImpl::becomeFirstResponder(WXWidget slf, void *_cmd)
1075 {
1076     wxOSX_FocusHandlerPtr superimpl = (wxOSX_FocusHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
1077     // get the current focus before running becomeFirstResponder
1078     NSView* otherView = FindFocus();
1079
1080     wxWidgetImpl* otherWindow = FindFromWXWidget(otherView);
1081     BOOL r = superimpl(slf, (SEL)_cmd);
1082     if ( r )
1083     {
1084         DoNotifyFocusEvent( true, otherWindow );
1085     }
1086
1087     return r;
1088 }
1089
1090 bool wxWidgetCocoaImpl::resignFirstResponder(WXWidget slf, void *_cmd)
1091 {
1092     wxOSX_FocusHandlerPtr superimpl = (wxOSX_FocusHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
1093     BOOL r = superimpl(slf, (SEL)_cmd);
1094     // get the current focus after running resignFirstResponder
1095     // note that this value isn't reliable, it might return the same view that
1096     // is resigning
1097     NSView* otherView = FindFocus();
1098     wxWidgetImpl* otherWindow = FindFromWXWidget(otherView);
1099
1100     // It doesn't make sense to notify about the loss of focus if we're not
1101     // really losing it and the window which has just gained focus is the same
1102     // one as this window itself. Of course, this should never happen in the
1103     // first place but somehow it does in wxGrid code and without this check we
1104     // enter into an infinite recursion, see #12267.
1105     if ( otherWindow == this )
1106         return r;
1107
1108     // NSTextViews have an editor as true responder, therefore the might get the
1109     // resign notification if their editor takes over, don't trigger any event then
1110     if ( r && !m_hasEditor)
1111     {
1112         DoNotifyFocusEvent( false, otherWindow );
1113     }
1114     return r;
1115 }
1116
1117 void wxWidgetCocoaImpl::resetCursorRects(WXWidget slf, void *_cmd)
1118 {
1119     wxWindow* wxpeer = GetWXPeer();
1120     if ( wxpeer )
1121     {
1122         NSCursor *cursor = (NSCursor*)wxpeer->GetCursor().GetHCURSOR();
1123         if (cursor == NULL)
1124         {
1125             wxOSX_ResetCursorRectsHandlerPtr superimpl = (wxOSX_ResetCursorRectsHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
1126             superimpl(slf, (SEL)_cmd);
1127         }
1128         else
1129         {
1130             [slf addCursorRect: [slf bounds]
1131                 cursor: cursor];
1132         }
1133     }
1134 }
1135
1136 bool wxWidgetCocoaImpl::isFlipped(WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd))
1137 {
1138     return m_isFlipped;
1139 }
1140
1141
1142 #define OSX_DEBUG_DRAWING 0
1143
1144 void wxWidgetCocoaImpl::drawRect(void* rect, WXWidget slf, void *WXUNUSED(_cmd))
1145 {
1146     // preparing the update region
1147
1148     wxRegion updateRgn;
1149     const NSRect *rects;
1150     NSInteger count;
1151
1152     [slf getRectsBeingDrawn:&rects count:&count];
1153     for ( int i = 0 ; i < count ; ++i )
1154     {
1155         updateRgn.Union(wxFromNSRect(slf, rects[i]));
1156     }
1157
1158     wxWindow* wxpeer = GetWXPeer();
1159
1160     if ( wxpeer->MacGetLeftBorderSize() != 0 || wxpeer->MacGetTopBorderSize() != 0 )
1161     {
1162         // as this update region is in native window locals we must adapt it to wx window local
1163         updateRgn.Offset( wxpeer->MacGetLeftBorderSize() , wxpeer->MacGetTopBorderSize() );
1164     }
1165
1166     if ( wxpeer->MacGetTopLevelWindow()->GetWindowStyle() & wxFRAME_SHAPED )
1167     {
1168         int xoffset = 0, yoffset = 0;
1169         wxRegion rgn = wxpeer->MacGetTopLevelWindow()->GetShape();
1170         wxpeer->MacRootWindowToWindow( &xoffset, &yoffset );
1171         rgn.Offset( xoffset, yoffset );
1172         updateRgn.Intersect(rgn);
1173     }
1174
1175     wxpeer->GetUpdateRegion() = updateRgn;
1176
1177     // setting up the drawing context
1178
1179     CGContextRef context = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
1180     CGContextSaveGState( context );
1181
1182 #if OSX_DEBUG_DRAWING
1183     CGContextBeginPath( context );
1184     CGContextMoveToPoint(context, 0, 0);
1185     NSRect bounds = [slf bounds];
1186     CGContextAddLineToPoint(context, 10, 0);
1187     CGContextMoveToPoint(context, 0, 0);
1188     CGContextAddLineToPoint(context, 0, 10);
1189     CGContextMoveToPoint(context, bounds.size.width, bounds.size.height);
1190     CGContextAddLineToPoint(context, bounds.size.width, bounds.size.height-10);
1191     CGContextMoveToPoint(context, bounds.size.width, bounds.size.height);
1192     CGContextAddLineToPoint(context, bounds.size.width-10, bounds.size.height);
1193     CGContextClosePath( context );
1194     CGContextStrokePath(context);
1195 #endif
1196
1197     if ( !m_isFlipped )
1198     {
1199         CGContextTranslateCTM( context, 0,  [m_osxView bounds].size.height );
1200         CGContextScaleCTM( context, 1, -1 );
1201     }
1202
1203     wxpeer->MacSetCGContextRef( context );
1204
1205     bool handled = wxpeer->MacDoRedraw( 0 );
1206     CGContextRestoreGState( context );
1207
1208     CGContextSaveGState( context );
1209     if ( !handled )
1210     {
1211         // call super
1212         SEL _cmd = @selector(drawRect:);
1213         wxOSX_DrawRectHandlerPtr superimpl = (wxOSX_DrawRectHandlerPtr) [[slf superclass] instanceMethodForSelector:_cmd];
1214         superimpl(slf, _cmd, *(NSRect*)rect);
1215         CGContextRestoreGState( context );
1216         CGContextSaveGState( context );
1217     }
1218     // as we called restore above, we have to flip again if necessary
1219     if ( !m_isFlipped )
1220     {
1221         CGContextTranslateCTM( context, 0,  [m_osxView bounds].size.height );
1222         CGContextScaleCTM( context, 1, -1 );
1223     }
1224     wxpeer->MacPaintChildrenBorders();
1225     wxpeer->MacSetCGContextRef( NULL );
1226     CGContextRestoreGState( context );
1227 }
1228
1229 void wxWidgetCocoaImpl::controlAction( WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd), void *WXUNUSED(sender))
1230 {
1231     wxWindow* wxpeer = (wxWindow*) GetWXPeer();
1232     if ( wxpeer )
1233         wxpeer->OSXHandleClicked(0);
1234 }
1235
1236 void wxWidgetCocoaImpl::controlDoubleAction( WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd), void *WXUNUSED(sender))
1237 {
1238 }
1239
1240 void wxWidgetCocoaImpl::controlTextDidChange()
1241 {
1242     wxWindow* wxpeer = (wxWindow*)GetWXPeer();
1243     if ( wxpeer )
1244     {
1245         // since native rtti doesn't have to be enabled and wx' rtti is not aware of the mixin wxTextEntry, workaround is needed
1246         wxTextCtrl *tc = wxDynamicCast( wxpeer , wxTextCtrl );
1247         wxComboBox *cb = wxDynamicCast( wxpeer , wxComboBox );
1248         if ( tc )
1249             tc->SendTextUpdatedEventIfAllowed();
1250         else if ( cb )
1251             cb->SendTextUpdatedEventIfAllowed();
1252         else
1253         {
1254             wxFAIL_MSG("Unexpected class for controlTextDidChange event");
1255         }
1256     }
1257 }
1258
1259 //
1260
1261 #if OBJC_API_VERSION >= 2
1262
1263 #define wxOSX_CLASS_ADD_METHOD( c, s, i, t ) \
1264     class_addMethod(c, s, i, t );
1265
1266 #else
1267
1268 #define wxOSX_CLASS_ADD_METHOD( c, s, i, t ) \
1269     { s, (char*) t, i },
1270
1271 #endif
1272
1273 void wxOSXCocoaClassAddWXMethods(Class c)
1274 {
1275
1276 #if OBJC_API_VERSION < 2
1277     static objc_method wxmethods[] =
1278     {
1279 #endif
1280
1281     wxOSX_CLASS_ADD_METHOD(c, @selector(mouseDown:), (IMP) wxOSX_mouseEvent, "v@:@" )
1282     wxOSX_CLASS_ADD_METHOD(c, @selector(rightMouseDown:), (IMP) wxOSX_mouseEvent, "v@:@" )
1283     wxOSX_CLASS_ADD_METHOD(c, @selector(otherMouseDown:), (IMP) wxOSX_mouseEvent, "v@:@" )
1284
1285     wxOSX_CLASS_ADD_METHOD(c, @selector(mouseUp:), (IMP) wxOSX_mouseEvent, "v@:@" )
1286     wxOSX_CLASS_ADD_METHOD(c, @selector(rightMouseUp:), (IMP) wxOSX_mouseEvent, "v@:@" )
1287     wxOSX_CLASS_ADD_METHOD(c, @selector(otherMouseUp:), (IMP) wxOSX_mouseEvent, "v@:@" )
1288
1289     wxOSX_CLASS_ADD_METHOD(c, @selector(mouseMoved:), (IMP) wxOSX_mouseEvent, "v@:@" )
1290
1291     wxOSX_CLASS_ADD_METHOD(c, @selector(mouseDragged:), (IMP) wxOSX_mouseEvent, "v@:@" )
1292     wxOSX_CLASS_ADD_METHOD(c, @selector(rightMouseDragged:), (IMP) wxOSX_mouseEvent, "v@:@" )
1293     wxOSX_CLASS_ADD_METHOD(c, @selector(otherMouseDragged:), (IMP) wxOSX_mouseEvent, "v@:@" )
1294
1295     wxOSX_CLASS_ADD_METHOD(c, @selector(acceptsFirstMouse:), (IMP) wxOSX_acceptsFirstMouse, "v@:@" )
1296
1297     wxOSX_CLASS_ADD_METHOD(c, @selector(scrollWheel:), (IMP) wxOSX_mouseEvent, "v@:@" )
1298     wxOSX_CLASS_ADD_METHOD(c, @selector(mouseEntered:), (IMP) wxOSX_mouseEvent, "v@:@" )
1299     wxOSX_CLASS_ADD_METHOD(c, @selector(mouseExited:), (IMP) wxOSX_mouseEvent, "v@:@" )
1300
1301     wxOSX_CLASS_ADD_METHOD(c, @selector(keyDown:), (IMP) wxOSX_keyEvent, "v@:@" )
1302     wxOSX_CLASS_ADD_METHOD(c, @selector(keyUp:), (IMP) wxOSX_keyEvent, "v@:@" )
1303     wxOSX_CLASS_ADD_METHOD(c, @selector(flagsChanged:), (IMP) wxOSX_keyEvent, "v@:@" )
1304
1305     wxOSX_CLASS_ADD_METHOD(c, @selector(insertText:), (IMP) wxOSX_insertText, "v@:@" )
1306
1307     wxOSX_CLASS_ADD_METHOD(c, @selector(performKeyEquivalent:), (IMP) wxOSX_performKeyEquivalent, "c@:@" )
1308
1309     wxOSX_CLASS_ADD_METHOD(c, @selector(acceptsFirstResponder), (IMP) wxOSX_acceptsFirstResponder, "c@:" )
1310     wxOSX_CLASS_ADD_METHOD(c, @selector(becomeFirstResponder), (IMP) wxOSX_becomeFirstResponder, "c@:" )
1311     wxOSX_CLASS_ADD_METHOD(c, @selector(resignFirstResponder), (IMP) wxOSX_resignFirstResponder, "c@:" )
1312     wxOSX_CLASS_ADD_METHOD(c, @selector(resetCursorRects), (IMP) wxOSX_resetCursorRects, "v@:" )
1313
1314     wxOSX_CLASS_ADD_METHOD(c, @selector(isFlipped), (IMP) wxOSX_isFlipped, "c@:" )
1315     wxOSX_CLASS_ADD_METHOD(c, @selector(drawRect:), (IMP) wxOSX_drawRect, "v@:{_NSRect={_NSPoint=ff}{_NSSize=ff}}" )
1316
1317     wxOSX_CLASS_ADD_METHOD(c, @selector(controlAction:), (IMP) wxOSX_controlAction, "v@:@" )
1318     wxOSX_CLASS_ADD_METHOD(c, @selector(controlDoubleAction:), (IMP) wxOSX_controlDoubleAction, "v@:@" )
1319
1320 #if wxUSE_DRAG_AND_DROP
1321     wxOSX_CLASS_ADD_METHOD(c, @selector(draggingEntered:), (IMP) wxOSX_draggingEntered, "I@:@" )
1322     wxOSX_CLASS_ADD_METHOD(c, @selector(draggingUpdated:), (IMP) wxOSX_draggingUpdated, "I@:@" )
1323     wxOSX_CLASS_ADD_METHOD(c, @selector(draggingExited:), (IMP) wxOSX_draggingExited, "v@:@" )
1324     wxOSX_CLASS_ADD_METHOD(c, @selector(performDragOperation:), (IMP) wxOSX_performDragOperation, "c@:@" )
1325 #endif
1326
1327 #if OBJC_API_VERSION < 2
1328     } ;
1329     static int method_count = WXSIZEOF( wxmethods );
1330     static objc_method_list *wxmethodlist = NULL;
1331     if ( wxmethodlist == NULL )
1332     {
1333         wxmethodlist = (objc_method_list*) malloc(sizeof(objc_method_list) + sizeof(wxmethods) );
1334         memcpy( &wxmethodlist->method_list[0], &wxmethods[0], sizeof(wxmethods) );
1335         wxmethodlist->method_count = method_count;
1336         wxmethodlist->obsolete = 0;
1337     }
1338     class_addMethods( c, wxmethodlist );
1339 #endif
1340 }
1341
1342 //
1343 // C++ implementation class
1344 //
1345
1346 IMPLEMENT_DYNAMIC_CLASS( wxWidgetCocoaImpl , wxWidgetImpl )
1347
1348 wxWidgetCocoaImpl::wxWidgetCocoaImpl( wxWindowMac* peer , WXWidget w, bool isRootControl, bool isUserPane ) :
1349     wxWidgetImpl( peer, isRootControl, isUserPane )
1350 {
1351     Init();
1352     m_osxView = w;
1353
1354     // check if the user wants to create the control initially hidden
1355     if ( !peer->IsShown() )
1356         SetVisibility(false);
1357
1358     // gc aware handling
1359     if ( m_osxView )
1360         CFRetain(m_osxView);
1361     [m_osxView release];
1362 }
1363
1364 wxWidgetCocoaImpl::wxWidgetCocoaImpl()
1365 {
1366     Init();
1367 }
1368
1369 void wxWidgetCocoaImpl::Init()
1370 {
1371     m_osxView = NULL;
1372     m_isFlipped = true;
1373     m_lastKeyDownEvent = NULL;
1374     m_hasEditor = false;
1375 }
1376
1377 wxWidgetCocoaImpl::~wxWidgetCocoaImpl()
1378 {
1379     RemoveAssociations( this );
1380
1381     if ( !IsRootControl() )
1382     {
1383         NSView *sv = [m_osxView superview];
1384         if ( sv != nil )
1385             [m_osxView removeFromSuperview];
1386     }
1387     // gc aware handling
1388     if ( m_osxView )
1389         CFRelease(m_osxView);
1390 }
1391
1392 bool wxWidgetCocoaImpl::IsVisible() const
1393 {
1394     return [m_osxView isHiddenOrHasHiddenAncestor] == NO;
1395 }
1396
1397 void wxWidgetCocoaImpl::SetVisibility( bool visible )
1398 {
1399     [m_osxView setHidden:(visible ? NO:YES)];
1400 }
1401
1402 // ----------------------------------------------------------------------------
1403 // window animation stuff
1404 // ----------------------------------------------------------------------------
1405
1406 // define a delegate used to refresh the window during animation
1407 @interface wxNSAnimationDelegate : NSObject wxOSX_10_6_AND_LATER(<NSAnimationDelegate>)
1408 {
1409     wxWindow *m_win;
1410     bool m_isDone;
1411 }
1412
1413 - (id)init:(wxWindow *)win;
1414
1415 - (bool)isDone;
1416
1417 // NSAnimationDelegate methods
1418 - (void)animationDidEnd:(NSAnimation*)animation;
1419 - (void)animation:(NSAnimation*)animation
1420         didReachProgressMark:(NSAnimationProgress)progress;
1421 @end
1422
1423 @implementation wxNSAnimationDelegate
1424
1425 - (id)init:(wxWindow *)win
1426 {
1427     [super init];
1428
1429     m_win = win;
1430     m_isDone = false;
1431
1432     return self;
1433 }
1434
1435 - (bool)isDone
1436 {
1437     return m_isDone;
1438 }
1439
1440 - (void)animation:(NSAnimation*)animation
1441         didReachProgressMark:(NSAnimationProgress)progress
1442 {
1443     wxUnusedVar(animation);
1444     wxUnusedVar(progress);
1445
1446     m_win->SendSizeEvent();
1447 }
1448
1449 - (void)animationDidEnd:(NSAnimation*)animation
1450 {
1451     wxUnusedVar(animation);
1452     m_isDone = true;
1453 }
1454
1455 @end
1456
1457 /* static */
1458 bool
1459 wxWidgetCocoaImpl::ShowViewOrWindowWithEffect(wxWindow *win,
1460                                               bool show,
1461                                               wxShowEffect effect,
1462                                               unsigned timeout)
1463 {
1464     // create the dictionary describing the animation to perform on this view
1465     NSObject * const
1466         viewOrWin = static_cast<NSObject *>(win->OSXGetViewOrWindow());
1467     NSMutableDictionary * const
1468         dict = [NSMutableDictionary dictionaryWithCapacity:4];
1469     [dict setObject:viewOrWin forKey:NSViewAnimationTargetKey];
1470
1471     // determine the start and end rectangles assuming we're hiding the window
1472     const wxRect rectOrig = win->GetRect();
1473     wxRect rectStart,
1474            rectEnd;
1475     rectStart =
1476     rectEnd = rectOrig;
1477
1478     if ( show )
1479     {
1480         if ( effect == wxSHOW_EFFECT_ROLL_TO_LEFT ||
1481                 effect == wxSHOW_EFFECT_SLIDE_TO_LEFT )
1482             effect = wxSHOW_EFFECT_ROLL_TO_RIGHT;
1483         else if ( effect == wxSHOW_EFFECT_ROLL_TO_RIGHT ||
1484                     effect == wxSHOW_EFFECT_SLIDE_TO_RIGHT )
1485             effect = wxSHOW_EFFECT_ROLL_TO_LEFT;
1486         else if ( effect == wxSHOW_EFFECT_ROLL_TO_TOP ||
1487                     effect == wxSHOW_EFFECT_SLIDE_TO_TOP )
1488             effect = wxSHOW_EFFECT_ROLL_TO_BOTTOM;
1489         else if ( effect == wxSHOW_EFFECT_ROLL_TO_BOTTOM ||
1490                     effect == wxSHOW_EFFECT_SLIDE_TO_BOTTOM )
1491             effect = wxSHOW_EFFECT_ROLL_TO_TOP;
1492     }
1493
1494     switch ( effect )
1495     {
1496         case wxSHOW_EFFECT_ROLL_TO_LEFT:
1497         case wxSHOW_EFFECT_SLIDE_TO_LEFT:
1498             rectEnd.width = 0;
1499             break;
1500
1501         case wxSHOW_EFFECT_ROLL_TO_RIGHT:
1502         case wxSHOW_EFFECT_SLIDE_TO_RIGHT:
1503             rectEnd.x = rectStart.GetRight();
1504             rectEnd.width = 0;
1505             break;
1506
1507         case wxSHOW_EFFECT_ROLL_TO_TOP:
1508         case wxSHOW_EFFECT_SLIDE_TO_TOP:
1509             rectEnd.height = 0;
1510             break;
1511
1512         case wxSHOW_EFFECT_ROLL_TO_BOTTOM:
1513         case wxSHOW_EFFECT_SLIDE_TO_BOTTOM:
1514             rectEnd.y = rectStart.GetBottom();
1515             rectEnd.height = 0;
1516             break;
1517
1518         case wxSHOW_EFFECT_EXPAND:
1519             rectEnd.x = rectStart.x + rectStart.width / 2;
1520             rectEnd.y = rectStart.y + rectStart.height / 2;
1521             rectEnd.width =
1522             rectEnd.height = 0;
1523             break;
1524
1525         case wxSHOW_EFFECT_BLEND:
1526             [dict setObject:(show ? NSViewAnimationFadeInEffect
1527                                   : NSViewAnimationFadeOutEffect)
1528                   forKey:NSViewAnimationEffectKey];
1529             break;
1530
1531         case wxSHOW_EFFECT_NONE:
1532         case wxSHOW_EFFECT_MAX:
1533             wxFAIL_MSG( "unexpected animation effect" );
1534             return false;
1535
1536         default:
1537             wxFAIL_MSG( "unknown animation effect" );
1538             return false;
1539     };
1540
1541     if ( show )
1542     {
1543         // we need to restore it to the original rectangle instead of making it
1544         // disappear
1545         wxSwap(rectStart, rectEnd);
1546
1547         // and as the window is currently hidden, we need to show it for the
1548         // animation to be visible at all (but don't restore it at its full
1549         // rectangle as it shouldn't appear immediately)
1550         win->SetSize(rectStart);
1551         win->Show();
1552     }
1553
1554     NSView * const parentView = [viewOrWin isKindOfClass:[NSView class]]
1555                                     ? [(NSView *)viewOrWin superview]
1556                                     : nil;
1557     const NSRect rStart = wxToNSRect(parentView, rectStart);
1558     const NSRect rEnd = wxToNSRect(parentView, rectEnd);
1559
1560     [dict setObject:[NSValue valueWithRect:rStart]
1561           forKey:NSViewAnimationStartFrameKey];
1562     [dict setObject:[NSValue valueWithRect:rEnd]
1563           forKey:NSViewAnimationEndFrameKey];
1564
1565     // create an animation using the values in the above dictionary
1566     NSViewAnimation * const
1567         anim = [[NSViewAnimation alloc]
1568                 initWithViewAnimations:[NSArray arrayWithObject:dict]];
1569
1570     if ( !timeout )
1571     {
1572         // what is a good default duration? Windows uses 200ms, Web frameworks
1573         // use anything from 250ms to 1s... choose something in the middle
1574         timeout = 500;
1575     }
1576
1577     [anim setDuration:timeout/1000.];   // duration is in seconds here
1578
1579     // if the window being animated changes its layout depending on its size
1580     // (which is almost always the case) we need to redo it during animation
1581     //
1582     // the number of layouts here is arbitrary, but 10 seems like too few (e.g.
1583     // controls in wxInfoBar visibly jump around)
1584     const int NUM_LAYOUTS = 20;
1585     for ( float f = 1./NUM_LAYOUTS; f < 1.; f += 1./NUM_LAYOUTS )
1586         [anim addProgressMark:f];
1587
1588     wxNSAnimationDelegate * const
1589         animDelegate = [[wxNSAnimationDelegate alloc] init:win];
1590     [anim setDelegate:animDelegate];
1591     [anim startAnimation];
1592
1593     // Cocoa is capable of doing animation asynchronously or even from separate
1594     // thread but wx API doesn't provide any way to be notified about the
1595     // animation end and without this we really must ensure that the window has
1596     // the expected (i.e. the same as if a simple Show() had been used) size
1597     // when we return, so block here until the animation finishes
1598     //
1599     // notice that because the default animation mode is NSAnimationBlocking,
1600     // no user input events ought to be processed from here
1601     {
1602         wxEventLoopGuarantor ensureEventLoopExistence;
1603         wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
1604         while ( ![animDelegate isDone] )
1605             loop->Dispatch();
1606     }
1607
1608     if ( !show )
1609     {
1610         // NSViewAnimation is smart enough to hide the NSView being animated at
1611         // the end but we also must ensure that it's hidden for wx too
1612         win->Hide();
1613
1614         // and we must also restore its size because it isn't expected to
1615         // change just because the window was hidden
1616         win->SetSize(rectOrig);
1617     }
1618     else
1619     {
1620         // refresh it once again after the end to ensure that everything is in
1621         // place
1622         win->SendSizeEvent();
1623     }
1624
1625     [anim setDelegate:nil];
1626     [animDelegate release];
1627     [anim release];
1628
1629     return true;
1630 }
1631
1632 bool wxWidgetCocoaImpl::ShowWithEffect(bool show,
1633                                        wxShowEffect effect,
1634                                        unsigned timeout)
1635 {
1636     return ShowViewOrWindowWithEffect(m_wxPeer, show, effect, timeout);
1637 }
1638
1639 void wxWidgetCocoaImpl::Raise()
1640 {
1641     // Not implemented
1642 }
1643
1644 void wxWidgetCocoaImpl::Lower()
1645 {
1646     // Not implemented
1647 }
1648
1649 void wxWidgetCocoaImpl::ScrollRect( const wxRect *WXUNUSED(rect), int WXUNUSED(dx), int WXUNUSED(dy) )
1650 {
1651 #if 1
1652     SetNeedsDisplay() ;
1653 #else
1654     // We should do something like this, but it wasn't working in 10.4.
1655     if (GetNeedsDisplay() )
1656     {
1657         SetNeedsDisplay() ;
1658     }
1659     NSRect r = wxToNSRect( [m_osxView superview], *rect );
1660     NSSize offset = NSMakeSize((float)dx, (float)dy);
1661     [m_osxView scrollRect:r by:offset];
1662 #endif
1663 }
1664
1665 void wxWidgetCocoaImpl::Move(int x, int y, int width, int height)
1666 {
1667     wxWindowMac* parent = GetWXPeer()->GetParent();
1668     // under Cocoa we might have a contentView in the wxParent to which we have to
1669     // adjust the coordinates
1670     if (parent && [m_osxView superview] != parent->GetHandle() )
1671     {
1672         int cx = 0,cy = 0,cw = 0,ch = 0;
1673         if ( parent->GetPeer() )
1674         {
1675             parent->GetPeer()->GetContentArea(cx, cy, cw, ch);
1676             x -= cx;
1677             y -= cy;
1678         }
1679     }
1680     [[m_osxView superview] setNeedsDisplayInRect:[m_osxView frame]];
1681     NSRect r = wxToNSRect( [m_osxView superview], wxRect(x,y,width, height) );
1682     [m_osxView setFrame:r];
1683     [[m_osxView superview] setNeedsDisplayInRect:r];
1684
1685     wxNSView* wxview = (wxNSView*)m_osxView;
1686 #if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
1687     if ([wxview respondsToSelector:@selector(updateTrackingArea)] )
1688         [wxview updateTrackingArea];
1689 #else
1690     if ([m_osxView respondsToSelector:@selector(trackingTag)] )
1691     {
1692         if ( [wxview trackingTag] )
1693             [wxview removeTrackingRect: [wxview trackingTag]];
1694
1695         [wxview setTrackingTag: [wxview addTrackingRect: [m_osxView bounds] owner: wxview userData: nil assumeInside: NO]];
1696     }
1697 #endif
1698 }
1699
1700 void wxWidgetCocoaImpl::GetPosition( int &x, int &y ) const
1701 {
1702     wxRect r = wxFromNSRect( [m_osxView superview], [m_osxView frame] );
1703     x = r.GetLeft();
1704     y = r.GetTop();
1705
1706     // under Cocoa we might have a contentView in the wxParent to which we have to
1707     // adjust the coordinates
1708     wxWindowMac* parent = GetWXPeer()->GetParent();
1709     if (parent && [m_osxView superview] != parent->GetHandle() )
1710     {
1711         int cx = 0,cy = 0,cw = 0,ch = 0;
1712         if ( parent->GetPeer() )
1713         {
1714             parent->GetPeer()->GetContentArea(cx, cy, cw, ch);
1715             x += cx;
1716             y += cy;
1717         }
1718     }
1719 }
1720
1721 void wxWidgetCocoaImpl::GetSize( int &width, int &height ) const
1722 {
1723     NSRect rect = [m_osxView frame];
1724     width = (int)rect.size.width;
1725     height = (int)rect.size.height;
1726 }
1727
1728 void wxWidgetCocoaImpl::GetContentArea( int&left, int &top, int &width, int &height ) const
1729 {
1730     if ( [m_osxView respondsToSelector:@selector(contentView) ] )
1731     {
1732         NSView* cv = [m_osxView contentView];
1733
1734         NSRect bounds = [m_osxView bounds];
1735         NSRect rect = [cv frame];
1736
1737         int y = (int)rect.origin.y;
1738         int x = (int)rect.origin.x;
1739         if ( ![ m_osxView isFlipped ] )
1740             y = (int)(bounds.size.height - (rect.origin.y + rect.size.height));
1741         left = x;
1742         top = y;
1743         width = (int)rect.size.width;
1744         height = (int)rect.size.height;
1745     }
1746     else
1747     {
1748         left = top = 0;
1749         GetSize( width, height );
1750     }
1751 }
1752
1753 void wxWidgetCocoaImpl::SetNeedsDisplay( const wxRect* where )
1754 {
1755     if ( where )
1756         [m_osxView setNeedsDisplayInRect:wxToNSRect(m_osxView, *where )];
1757     else
1758         [m_osxView setNeedsDisplay:YES];
1759 }
1760
1761 bool wxWidgetCocoaImpl::GetNeedsDisplay() const
1762 {
1763     return [m_osxView needsDisplay];
1764 }
1765
1766 bool wxWidgetCocoaImpl::CanFocus() const
1767 {
1768     return [m_osxView canBecomeKeyView] == YES;
1769 }
1770
1771 bool wxWidgetCocoaImpl::HasFocus() const
1772 {
1773     return ( FindFocus() == m_osxView );
1774 }
1775
1776 bool wxWidgetCocoaImpl::SetFocus()
1777 {
1778     if ( !CanFocus() )
1779         return false;
1780
1781     [[m_osxView window] makeKeyAndOrderFront:nil] ;
1782     [[m_osxView window] makeFirstResponder: m_osxView] ;
1783     return true;
1784 }
1785
1786
1787 void wxWidgetCocoaImpl::RemoveFromParent()
1788 {
1789     [m_osxView removeFromSuperview];
1790 }
1791
1792 void wxWidgetCocoaImpl::Embed( wxWidgetImpl *parent )
1793 {
1794     NSView* container = parent->GetWXWidget() ;
1795     wxASSERT_MSG( container != NULL , wxT("No valid mac container control") ) ;
1796     [container addSubview:m_osxView];
1797 }
1798
1799 void wxWidgetCocoaImpl::SetBackgroundColour( const wxColour &col )
1800 {
1801     NSView* targetView = m_osxView;
1802     if ( [m_osxView isKindOfClass:[NSScrollView class] ] )
1803         targetView = [(NSScrollView*) m_osxView documentView];
1804
1805     if ( [targetView respondsToSelector:@selector(setBackgroundColor:) ] )
1806     {
1807         [targetView setBackgroundColor:[NSColor colorWithCalibratedRed:(CGFloat) (col.Red() / 255.0)
1808                                                                 green:(CGFloat) (col.Green() / 255.0)
1809                                                                  blue:(CGFloat) (col.Blue() / 255.0)
1810                                                                 alpha:(CGFloat) (col.Alpha() / 255.0)]];
1811     }
1812 }
1813
1814 bool wxWidgetCocoaImpl::SetBackgroundStyle( wxBackgroundStyle style )
1815 {
1816     BOOL opaque = ( style == wxBG_STYLE_PAINT );
1817
1818     if ( [m_osxView respondsToSelector:@selector(setOpaque:) ] )
1819     {
1820         [m_osxView setOpaque: opaque];
1821     }
1822
1823     return true ;
1824 }
1825
1826 void wxWidgetCocoaImpl::SetLabel( const wxString& title, wxFontEncoding encoding )
1827 {
1828     if ( [m_osxView respondsToSelector:@selector(setTitle:) ] )
1829     {
1830         wxCFStringRef cf( title , encoding );
1831         [m_osxView setTitle:cf.AsNSString()];
1832     }
1833     else if ( [m_osxView respondsToSelector:@selector(setStringValue:) ] )
1834     {
1835         wxCFStringRef cf( title , encoding );
1836         [m_osxView setStringValue:cf.AsNSString()];
1837     }
1838 }
1839
1840
1841 void  wxWidgetImpl::Convert( wxPoint *pt , wxWidgetImpl *from , wxWidgetImpl *to )
1842 {
1843     NSPoint p = wxToNSPoint( from->GetWXWidget(), *pt );
1844     p = [from->GetWXWidget() convertPoint:p toView:to->GetWXWidget() ];
1845     *pt = wxFromNSPoint( to->GetWXWidget(), p );
1846 }
1847
1848 wxInt32 wxWidgetCocoaImpl::GetValue() const
1849 {
1850     return [(NSControl*)m_osxView intValue];
1851 }
1852
1853 void wxWidgetCocoaImpl::SetValue( wxInt32 v )
1854 {
1855     if (  [m_osxView respondsToSelector:@selector(setIntValue:)] )
1856     {
1857         [m_osxView setIntValue:v];
1858     }
1859     else if (  [m_osxView respondsToSelector:@selector(setFloatValue:)] )
1860     {
1861         [m_osxView setFloatValue:(double)v];
1862     }
1863     else if (  [m_osxView respondsToSelector:@selector(setDoubleValue:)] )
1864     {
1865         [m_osxView setDoubleValue:(double)v];
1866     }
1867 }
1868
1869 void wxWidgetCocoaImpl::SetMinimum( wxInt32 v )
1870 {
1871     if (  [m_osxView respondsToSelector:@selector(setMinValue:)] )
1872     {
1873         [m_osxView setMinValue:(double)v];
1874     }
1875 }
1876
1877 void wxWidgetCocoaImpl::SetMaximum( wxInt32 v )
1878 {
1879     if (  [m_osxView respondsToSelector:@selector(setMaxValue:)] )
1880     {
1881         [m_osxView setMaxValue:(double)v];
1882     }
1883 }
1884
1885 wxInt32 wxWidgetCocoaImpl::GetMinimum() const
1886 {
1887     if (  [m_osxView respondsToSelector:@selector(minValue)] )
1888     {
1889         return (int)[m_osxView minValue];
1890     }
1891     return 0;
1892 }
1893
1894 wxInt32 wxWidgetCocoaImpl::GetMaximum() const
1895 {
1896     if (  [m_osxView respondsToSelector:@selector(maxValue)] )
1897     {
1898         return (int)[m_osxView maxValue];
1899     }
1900     return 0;
1901 }
1902
1903 wxBitmap wxWidgetCocoaImpl::GetBitmap() const
1904 {
1905     wxBitmap bmp;
1906
1907     // TODO: how to create a wxBitmap from NSImage?
1908 #if 0
1909     if ( [m_osxView respondsToSelector:@selector(image:)] )
1910         bmp = [m_osxView image];
1911 #endif
1912
1913     return bmp;
1914 }
1915
1916 void wxWidgetCocoaImpl::SetBitmap( const wxBitmap& bitmap )
1917 {
1918     if (  [m_osxView respondsToSelector:@selector(setImage:)] )
1919     {
1920         [m_osxView setImage:bitmap.GetNSImage()];
1921         [m_osxView setNeedsDisplay:YES];
1922     }
1923 }
1924
1925 void wxWidgetCocoaImpl::SetBitmapPosition( wxDirection dir )
1926 {
1927     if ( [m_osxView respondsToSelector:@selector(setImagePosition:)] )
1928     {
1929         NSCellImagePosition pos;
1930         switch ( dir )
1931         {
1932             case wxLEFT:
1933                 pos = NSImageLeft;
1934                 break;
1935
1936             case wxRIGHT:
1937                 pos = NSImageRight;
1938                 break;
1939
1940             case wxTOP:
1941                 pos = NSImageAbove;
1942                 break;
1943
1944             case wxBOTTOM:
1945                 pos = NSImageBelow;
1946                 break;
1947
1948             default:
1949                 wxFAIL_MSG( "invalid image position" );
1950                 pos = NSNoImage;
1951         }
1952
1953         [m_osxView setImagePosition:pos];
1954     }
1955 }
1956
1957 void wxWidgetCocoaImpl::SetupTabs( const wxNotebook& WXUNUSED(notebook))
1958 {
1959     // implementation in subclass
1960 }
1961
1962 void wxWidgetCocoaImpl::GetBestRect( wxRect *r ) const
1963 {
1964     r->x = r->y = r->width = r->height = 0;
1965
1966     if (  [m_osxView respondsToSelector:@selector(sizeToFit)] )
1967     {
1968         NSRect former = [m_osxView frame];
1969         [m_osxView sizeToFit];
1970         NSRect best = [m_osxView frame];
1971         [m_osxView setFrame:former];
1972         r->width = (int)best.size.width;
1973         r->height = (int)best.size.height;
1974     }
1975 }
1976
1977 bool wxWidgetCocoaImpl::IsEnabled() const
1978 {
1979     NSView* targetView = m_osxView;
1980     if ( [m_osxView isKindOfClass:[NSScrollView class] ] )
1981         targetView = [(NSScrollView*) m_osxView documentView];
1982
1983     if ( [targetView respondsToSelector:@selector(isEnabled) ] )
1984         return [targetView isEnabled];
1985     return true;
1986 }
1987
1988 void wxWidgetCocoaImpl::Enable( bool enable )
1989 {
1990     NSView* targetView = m_osxView;
1991     if ( [m_osxView isKindOfClass:[NSScrollView class] ] )
1992         targetView = [(NSScrollView*) m_osxView documentView];
1993
1994     if ( [targetView respondsToSelector:@selector(setEnabled:) ] )
1995         [targetView setEnabled:enable];
1996 }
1997
1998 void wxWidgetCocoaImpl::PulseGauge()
1999 {
2000 }
2001
2002 void wxWidgetCocoaImpl::SetScrollThumb( wxInt32 WXUNUSED(val), wxInt32 WXUNUSED(view) )
2003 {
2004 }
2005
2006 void wxWidgetCocoaImpl::SetControlSize( wxWindowVariant variant )
2007 {
2008     NSControlSize size = NSRegularControlSize;
2009
2010     switch ( variant )
2011     {
2012         case wxWINDOW_VARIANT_NORMAL :
2013             size = NSRegularControlSize;
2014             break ;
2015
2016         case wxWINDOW_VARIANT_SMALL :
2017             size = NSSmallControlSize;
2018             break ;
2019
2020         case wxWINDOW_VARIANT_MINI :
2021             size = NSMiniControlSize;
2022             break ;
2023
2024         case wxWINDOW_VARIANT_LARGE :
2025             size = NSRegularControlSize;
2026             break ;
2027
2028         default:
2029             wxFAIL_MSG(wxT("unexpected window variant"));
2030             break ;
2031     }
2032     if ( [m_osxView respondsToSelector:@selector(setControlSize:)] )
2033         [m_osxView setControlSize:size];
2034     else if ([m_osxView respondsToSelector:@selector(cell)])
2035     {
2036         id cell = [(id)m_osxView cell];
2037         if ([cell respondsToSelector:@selector(setControlSize:)])
2038             [cell setControlSize:size];
2039     }
2040 }
2041
2042 void wxWidgetCocoaImpl::SetFont(wxFont const& font, wxColour const&col, long, bool)
2043 {
2044     if ([m_osxView respondsToSelector:@selector(setFont:)])
2045         [m_osxView setFont: font.OSXGetNSFont()];
2046     if ([m_osxView respondsToSelector:@selector(setTextColor:)])
2047         [m_osxView setTextColor:[NSColor colorWithCalibratedRed:(CGFloat) (col.Red() / 255.0)
2048                                                                  green:(CGFloat) (col.Green() / 255.0)
2049                                                                   blue:(CGFloat) (col.Blue() / 255.0)
2050                                                                  alpha:(CGFloat) (col.Alpha() / 255.0)]];
2051 }
2052
2053 void wxWidgetCocoaImpl::SetToolTip(wxToolTip* tooltip)
2054 {
2055     if (tooltip)
2056     {
2057         wxCFStringRef cf( tooltip->GetTip() , m_wxPeer->GetFont().GetEncoding() );
2058         [m_osxView setToolTip: cf.AsNSString()];
2059     }
2060     else
2061         [m_osxView setToolTip: nil];
2062
2063 }
2064
2065 void wxWidgetCocoaImpl::InstallEventHandler( WXWidget control )
2066 {
2067     WXWidget c =  control ? control : (WXWidget) m_osxView;
2068     wxWidgetImpl::Associate( c, this ) ;
2069     if ([c respondsToSelector:@selector(setAction:)])
2070     {
2071         [c setTarget: c];
2072         [c setAction: @selector(controlAction:)];
2073         if ([c respondsToSelector:@selector(setDoubleAction:)])
2074         {
2075             [c setDoubleAction: @selector(controlDoubleAction:)];
2076         }
2077
2078     }
2079 }
2080
2081 bool wxWidgetCocoaImpl::DoHandleCharEvent(NSEvent *event, NSString *text)
2082 {
2083     wxKeyEvent wxevent(wxEVT_CHAR);
2084     SetupKeyEvent( wxevent, event, text );
2085
2086     return GetWXPeer()->OSXHandleKeyEvent(wxevent);
2087 }
2088
2089 bool wxWidgetCocoaImpl::DoHandleKeyEvent(NSEvent *event)
2090 {
2091     wxKeyEvent wxevent(wxEVT_KEY_DOWN);
2092     SetupKeyEvent( wxevent, event );
2093     bool result = GetWXPeer()->OSXHandleKeyEvent(wxevent);
2094
2095     // this will fire higher level events, like insertText, to help
2096     // us handle EVT_CHAR, etc.
2097
2098     if ( IsUserPane() && [event type] == NSKeyDown)
2099     {
2100         if ( !result )
2101         {
2102             if ( wxevent.GetKeyCode() < WXK_SPACE || wxevent.GetKeyCode() == WXK_DELETE || wxevent.GetKeyCode() >= WXK_START )
2103             {
2104                 // eventually we could setup a doCommandBySelector catcher and retransform this into the wx key chars
2105                 wxKeyEvent wxevent2(wxevent) ;
2106                 wxevent2.SetEventType(wxEVT_CHAR);
2107                 result = GetWXPeer()->OSXHandleKeyEvent(wxevent2);
2108             }
2109             else
2110             {
2111                 if ( !wxevent.CmdDown() )
2112                 {
2113                     if ( [m_osxView isKindOfClass:[NSScrollView class] ] )
2114                         [[(NSScrollView*)m_osxView documentView] interpretKeyEvents:[NSArray arrayWithObject:event]];
2115                     else
2116                         [m_osxView interpretKeyEvents:[NSArray arrayWithObject:event]];
2117                     result = true;
2118                 }
2119             }
2120         }
2121     }
2122
2123     return result;
2124 }
2125
2126 bool wxWidgetCocoaImpl::DoHandleMouseEvent(NSEvent *event)
2127 {
2128     wxMouseEvent wxevent(wxEVT_LEFT_DOWN);
2129     SetupMouseEvent(wxevent , event) ;
2130
2131     return GetWXPeer()->HandleWindowEvent(wxevent);
2132 }
2133
2134 void wxWidgetCocoaImpl::DoNotifyFocusEvent(bool receivedFocus, wxWidgetImpl* otherWindow)
2135 {
2136     wxWindow* thisWindow = GetWXPeer();
2137     if ( thisWindow->MacGetTopLevelWindow() && NeedsFocusRect() )
2138     {
2139         thisWindow->MacInvalidateBorders();
2140     }
2141
2142     if ( receivedFocus )
2143     {
2144         wxLogTrace(wxT("Focus"), wxT("focus set(%p)"), static_cast<void*>(thisWindow));
2145         wxChildFocusEvent eventFocus((wxWindow*)thisWindow);
2146         thisWindow->HandleWindowEvent(eventFocus);
2147
2148 #if wxUSE_CARET
2149         if ( thisWindow->GetCaret() )
2150             thisWindow->GetCaret()->OnSetFocus();
2151 #endif
2152
2153         wxFocusEvent event(wxEVT_SET_FOCUS, thisWindow->GetId());
2154         event.SetEventObject(thisWindow);
2155         if (otherWindow)
2156             event.SetWindow(otherWindow->GetWXPeer());
2157         thisWindow->HandleWindowEvent(event) ;
2158     }
2159     else // !receivedFocuss
2160     {
2161 #if wxUSE_CARET
2162         if ( thisWindow->GetCaret() )
2163             thisWindow->GetCaret()->OnKillFocus();
2164 #endif
2165
2166         wxLogTrace(wxT("Focus"), wxT("focus lost(%p)"), static_cast<void*>(thisWindow));
2167
2168         wxFocusEvent event( wxEVT_KILL_FOCUS, thisWindow->GetId());
2169         event.SetEventObject(thisWindow);
2170         if (otherWindow)
2171             event.SetWindow(otherWindow->GetWXPeer());
2172         thisWindow->HandleWindowEvent(event) ;
2173     }
2174 }
2175
2176 void wxWidgetCocoaImpl::SetCursor(const wxCursor& cursor)
2177 {
2178     if ( !wxIsBusy() )
2179     {
2180         NSPoint location = [NSEvent mouseLocation];
2181         location = [[m_osxView window] convertScreenToBase:location];
2182         NSPoint locationInView = [m_osxView convertPoint:location fromView:nil];
2183
2184         if( NSMouseInRect(locationInView, [m_osxView bounds], YES) )
2185         {
2186             [(NSCursor*)cursor.GetHCURSOR() set];
2187         }
2188     }
2189     [[m_osxView window] invalidateCursorRectsForView:m_osxView];
2190 }
2191
2192 void wxWidgetCocoaImpl::CaptureMouse()
2193 {
2194     [[m_osxView window] disableCursorRects];
2195 }
2196
2197 void wxWidgetCocoaImpl::ReleaseMouse()
2198 {
2199     [[m_osxView window] enableCursorRects];
2200 }
2201
2202 void wxWidgetCocoaImpl::SetFlipped(bool flipped)
2203 {
2204     m_isFlipped = flipped;
2205 }
2206
2207 //
2208 // Factory methods
2209 //
2210
2211 wxWidgetImpl* wxWidgetImpl::CreateUserPane( wxWindowMac* wxpeer, wxWindowMac* WXUNUSED(parent),
2212     wxWindowID WXUNUSED(id), const wxPoint& pos, const wxSize& size,
2213     long WXUNUSED(style), long WXUNUSED(extraStyle))
2214 {
2215     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
2216     wxNSView* v = [[wxNSView alloc] initWithFrame:r];
2217
2218     // temporary hook for dnd
2219     [v registerForDraggedTypes:[NSArray arrayWithObjects:
2220         NSStringPboardType, NSFilenamesPboardType, NSTIFFPboardType, NSPICTPboardType, NSPDFPboardType, nil]];
2221
2222     wxWidgetCocoaImpl* c = new wxWidgetCocoaImpl( wxpeer, v, false, true );
2223     return c;
2224 }
2225
2226 wxWidgetImpl* wxWidgetImpl::CreateContentView( wxNonOwnedWindow* now )
2227 {
2228     NSWindow* tlw = now->GetWXWindow();
2229
2230     wxWidgetCocoaImpl* c = NULL;
2231     if ( now->IsNativeWindowWrapper() )
2232     {
2233         NSView* cv = [tlw contentView];
2234         c = new wxWidgetCocoaImpl( now, cv, true );
2235         // increase ref count, because the impl destructor will decrement it again
2236         CFRetain(cv);
2237         if ( !now->IsShown() )
2238             [cv setHidden:NO];
2239
2240     }
2241     else
2242     {
2243         wxNSView* v = [[wxNSView alloc] initWithFrame:[[tlw contentView] frame]];
2244         c = new wxWidgetCocoaImpl( now, v, true );
2245         c->InstallEventHandler();
2246         [tlw setContentView:v];
2247     }
2248     return c;
2249 }