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: window.mm 48805 2007-09-19 14:52:25Z SC $
   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 - (float)deviceDeltaX;
 391 - (float)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 void wxOSX_drawRect(NSView* self, SEL _cmd, NSRect rect)
 788 {
 789     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 790     if (impl == NULL)
 791         return;
 792
 793     return impl->drawRect(&rect, self, _cmd);
 794 }
 795
 796 void wxOSX_controlAction(NSView* self, SEL _cmd, id sender)
 797 {
 798     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 799     if (impl == NULL)
 800         return;
 801
 802     impl->controlAction(self, _cmd, sender);
 803 }
 804
 805 void wxOSX_controlDoubleAction(NSView* self, SEL _cmd, id sender)
 806 {
 807     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 808     if (impl == NULL)
 809         return;
 810
 811     impl->controlDoubleAction(self, _cmd, sender);
 812 }
 813
 814 unsigned int wxWidgetCocoaImpl::draggingEntered(void* s, WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd))
 815 {
 816     id <NSDraggingInfo>sender = (id <NSDraggingInfo>) s;
 817     NSPasteboard *pboard = [sender draggingPasteboard];
 818     NSDragOperation sourceDragMask = [sender draggingSourceOperationMask];
 819
 820     wxWindow* wxpeer = GetWXPeer();
 821     if ( wxpeer == NULL )
 822         return NSDragOperationNone;
 823
 824     wxDropTarget* target = wxpeer->GetDropTarget();
 825     if ( target == NULL )
 826         return NSDragOperationNone;
 827
 828     wxDragResult result = wxDragNone;
 829     NSPoint nspoint = [m_osxView convertPoint:[sender draggingLocation] fromView:nil];
 830     wxPoint pt = wxFromNSPoint( m_osxView, nspoint );
 831
 832     if ( sourceDragMask & NSDragOperationLink )
 833         result = wxDragLink;
 834     else if ( sourceDragMask & NSDragOperationCopy )
 835         result = wxDragCopy;
 836     else if ( sourceDragMask & NSDragOperationMove )
 837         result = wxDragMove;
 838
 839     PasteboardRef pboardRef;
 840     PasteboardCreate((CFStringRef)[pboard name], &pboardRef);
 841     target->SetCurrentDragPasteboard(pboardRef);
 842     result = target->OnEnter(pt.x, pt.y, result);
 843     CFRelease(pboardRef);
 844
 845     NSDragOperation nsresult = NSDragOperationNone;
 846     switch (result )
 847     {
 848         case wxDragLink:
 849             nsresult = NSDragOperationLink;
 850         case wxDragMove:
 851             nsresult = NSDragOperationMove;
 852         case wxDragCopy:
 853             nsresult = NSDragOperationCopy;
 854         default :
 855             break;
 856     }
 857     return nsresult;
 858 }
 859
 860 void wxWidgetCocoaImpl::draggingExited(void* s, WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd))
 861 {
 862     id <NSDraggingInfo>sender = (id <NSDraggingInfo>) s;
 863     NSPasteboard *pboard = [sender draggingPasteboard];
 864
 865     wxWindow* wxpeer = GetWXPeer();
 866     if ( wxpeer == NULL )
 867         return;
 868
 869     wxDropTarget* target = wxpeer->GetDropTarget();
 870     if ( target == NULL )
 871         return;
 872
 873     PasteboardRef pboardRef;
 874     PasteboardCreate((CFStringRef)[pboard name], &pboardRef);
 875     target->SetCurrentDragPasteboard(pboardRef);
 876     target->OnLeave();
 877     CFRelease(pboardRef);
 878  }
 879
 880 unsigned int wxWidgetCocoaImpl::draggingUpdated(void* s, WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd))
 881 {
 882     id <NSDraggingInfo>sender = (id <NSDraggingInfo>) s;
 883     NSPasteboard *pboard = [sender draggingPasteboard];
 884     NSDragOperation sourceDragMask = [sender draggingSourceOperationMask];
 885
 886     wxWindow* wxpeer = GetWXPeer();
 887     if ( wxpeer == NULL )
 888         return NSDragOperationNone;
 889
 890     wxDropTarget* target = wxpeer->GetDropTarget();
 891     if ( target == NULL )
 892         return NSDragOperationNone;
 893
 894     wxDragResult result = wxDragNone;
 895     NSPoint nspoint = [m_osxView convertPoint:[sender draggingLocation] fromView:nil];
 896     wxPoint pt = wxFromNSPoint( m_osxView, nspoint );
 897
 898     if ( sourceDragMask & NSDragOperationLink )
 899         result = wxDragLink;
 900     else if ( sourceDragMask & NSDragOperationCopy )
 901         result = wxDragCopy;
 902     else if ( sourceDragMask & NSDragOperationMove )
 903         result = wxDragMove;
 904
 905     PasteboardRef pboardRef;
 906     PasteboardCreate((CFStringRef)[pboard name], &pboardRef);
 907     target->SetCurrentDragPasteboard(pboardRef);
 908     result = target->OnDragOver(pt.x, pt.y, result);
 909     CFRelease(pboardRef);
 910
 911     NSDragOperation nsresult = NSDragOperationNone;
 912     switch (result )
 913     {
 914         case wxDragLink:
 915             nsresult = NSDragOperationLink;
 916         case wxDragMove:
 917             nsresult = NSDragOperationMove;
 918         case wxDragCopy:
 919             nsresult = NSDragOperationCopy;
 920         default :
 921             break;
 922     }
 923     return nsresult;
 924 }
 925
 926 bool wxWidgetCocoaImpl::performDragOperation(void* s, WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd))
 927 {
 928     id <NSDraggingInfo>sender = (id <NSDraggingInfo>) s;
 929
 930     NSPasteboard *pboard = [sender draggingPasteboard];
 931     NSDragOperation sourceDragMask = [sender draggingSourceOperationMask];
 932
 933     wxWindow* wxpeer = GetWXPeer();
 934     wxDropTarget* target = wxpeer->GetDropTarget();
 935     wxDragResult result = wxDragNone;
 936     NSPoint nspoint = [m_osxView convertPoint:[sender draggingLocation] fromView:nil];
 937     wxPoint pt = wxFromNSPoint( m_osxView, nspoint );
 938
 939     if ( sourceDragMask & NSDragOperationLink )
 940         result = wxDragLink;
 941     else if ( sourceDragMask & NSDragOperationCopy )
 942         result = wxDragCopy;
 943     else if ( sourceDragMask & NSDragOperationMove )
 944         result = wxDragMove;
 945
 946     PasteboardRef pboardRef;
 947     PasteboardCreate((CFStringRef)[pboard name], &pboardRef);
 948     target->SetCurrentDragPasteboard(pboardRef);
 949
 950     if (target->OnDrop(pt.x, pt.y))
 951         result = target->OnData(pt.x, pt.y, result);
 952
 953     CFRelease(pboardRef);
 954
 955     return result != wxDragNone;
 956 }
 957
 958 typedef void (*wxOSX_TextEventHandlerPtr)(NSView* self, SEL _cmd, NSString *event);
 959 typedef void (*wxOSX_EventHandlerPtr)(NSView* self, SEL _cmd, NSEvent *event);
 960 typedef BOOL (*wxOSX_PerformKeyEventHandlerPtr)(NSView* self, SEL _cmd, NSEvent *event);
 961 typedef BOOL (*wxOSX_FocusHandlerPtr)(NSView* self, SEL _cmd);
 962 typedef BOOL (*wxOSX_ResetCursorRectsHandlerPtr)(NSView* self, SEL _cmd);
 963 typedef void (*wxOSX_DrawRectHandlerPtr)(NSView* self, SEL _cmd, NSRect rect);
 964
 965 void wxWidgetCocoaImpl::mouseEvent(WX_NSEvent event, WXWidget slf, void *_cmd)
 966 {
 967     if ( !DoHandleMouseEvent(event) )
 968     {
 969         // for plain NSView mouse events would propagate to parents otherwise
 970         if (!m_wxPeer->MacIsUserPane())
 971         {
 972             wxOSX_EventHandlerPtr superimpl = (wxOSX_EventHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
 973             superimpl(slf, (SEL)_cmd, event);
 974         }
 975     }
 976 }
 977
 978 void wxWidgetCocoaImpl::keyEvent(WX_NSEvent event, WXWidget slf, void *_cmd)
 979 {
 980     if ( [event type] == NSKeyDown )
 981         m_lastKeyDownEvent = event;
 982     if ( GetFocusedViewInWindow([slf window]) != slf || m_hasEditor || !DoHandleKeyEvent(event) )
 983     {
 984         wxOSX_EventHandlerPtr superimpl = (wxOSX_EventHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
 985         superimpl(slf, (SEL)_cmd, event);
 986     }
 987     m_lastKeyDownEvent = NULL;
 988 }
 989
 990 void wxWidgetCocoaImpl::insertText(NSString* text, WXWidget slf, void *_cmd)
 991 {
 992     if ( m_lastKeyDownEvent==NULL || m_hasEditor || !DoHandleCharEvent(m_lastKeyDownEvent, text) )
 993     {
 994         wxOSX_TextEventHandlerPtr superimpl = (wxOSX_TextEventHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
 995         superimpl(slf, (SEL)_cmd, text);
 996     }
 997 }
 998
 999
1000 bool wxWidgetCocoaImpl::performKeyEquivalent(WX_NSEvent event, WXWidget slf, void *_cmd)
1001 {
1002     wxOSX_PerformKeyEventHandlerPtr superimpl = (wxOSX_PerformKeyEventHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
1003     return superimpl(slf, (SEL)_cmd, event);
1004 }
1005
1006 bool wxWidgetCocoaImpl::acceptsFirstResponder(WXWidget slf, void *_cmd)
1007 {
1008     if ( m_wxPeer->MacIsUserPane() )
1009         return m_wxPeer->AcceptsFocus();
1010     else
1011     {
1012         wxOSX_FocusHandlerPtr superimpl = (wxOSX_FocusHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
1013         return superimpl(slf, (SEL)_cmd);
1014     }
1015 }
1016
1017 bool wxWidgetCocoaImpl::becomeFirstResponder(WXWidget slf, void *_cmd)
1018 {
1019     wxOSX_FocusHandlerPtr superimpl = (wxOSX_FocusHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
1020     // get the current focus before running becomeFirstResponder
1021     NSView* otherView = FindFocus();
1022
1023     wxWidgetImpl* otherWindow = FindFromWXWidget(otherView);
1024     BOOL r = superimpl(slf, (SEL)_cmd);
1025     if ( r )
1026     {
1027         DoNotifyFocusEvent( true, otherWindow );
1028     }
1029
1030     return r;
1031 }
1032
1033 bool wxWidgetCocoaImpl::resignFirstResponder(WXWidget slf, void *_cmd)
1034 {
1035     wxOSX_FocusHandlerPtr superimpl = (wxOSX_FocusHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
1036     BOOL r = superimpl(slf, (SEL)_cmd);
1037     // get the current focus after running resignFirstResponder
1038     // note that this value isn't reliable, it might return the same view that
1039     // is resigning
1040     NSView* otherView = FindFocus();
1041     wxWidgetImpl* otherWindow = FindFromWXWidget(otherView);
1042     // NSTextViews have an editor as true responder, therefore the might get the
1043     // resign notification if their editor takes over, don't trigger any event then
1044     if ( r && !m_hasEditor)
1045     {
1046         DoNotifyFocusEvent( false, otherWindow );
1047     }
1048     return r;
1049 }
1050
1051 void wxWidgetCocoaImpl::resetCursorRects(WXWidget slf, void *_cmd)
1052 {
1053     wxWindow* wxpeer = GetWXPeer();
1054     if ( wxpeer )
1055     {
1056         NSCursor *cursor = (NSCursor*)wxpeer->GetCursor().GetHCURSOR();
1057         if (cursor == NULL)
1058         {
1059             wxOSX_ResetCursorRectsHandlerPtr superimpl = (wxOSX_ResetCursorRectsHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd];
1060             superimpl(slf, (SEL)_cmd);
1061         }
1062         else
1063         {
1064             [slf addCursorRect: [slf bounds]
1065                 cursor: cursor];
1066         }
1067     }
1068 }
1069
1070 bool wxWidgetCocoaImpl::isFlipped(WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd))
1071 {
1072     return m_isFlipped;
1073 }
1074
1075
1076 #define OSX_DEBUG_DRAWING 0
1077
1078 void wxWidgetCocoaImpl::drawRect(void* rect, WXWidget slf, void *WXUNUSED(_cmd))
1079 {
1080     CGContextRef context = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
1081     CGContextSaveGState( context );
1082
1083 #if OSX_DEBUG_DRAWING
1084     CGContextBeginPath( context );
1085     CGContextMoveToPoint(context, 0, 0);
1086     NSRect bounds = [self bounds];
1087     CGContextAddLineToPoint(context, 10, 0);
1088     CGContextMoveToPoint(context, 0, 0);
1089     CGContextAddLineToPoint(context, 0, 10);
1090     CGContextMoveToPoint(context, bounds.size.width, bounds.size.height);
1091     CGContextAddLineToPoint(context, bounds.size.width, bounds.size.height-10);
1092     CGContextMoveToPoint(context, bounds.size.width, bounds.size.height);
1093     CGContextAddLineToPoint(context, bounds.size.width-10, bounds.size.height);
1094     CGContextClosePath( context );
1095     CGContextStrokePath(context);
1096 #endif
1097
1098     if ( !m_isFlipped )
1099     {
1100         CGContextTranslateCTM( context, 0,  [m_osxView bounds].size.height );
1101         CGContextScaleCTM( context, 1, -1 );
1102     }
1103
1104     wxRegion updateRgn;
1105     const NSRect *rects;
1106     NSInteger count;
1107
1108     [slf getRectsBeingDrawn:&rects count:&count];
1109     for ( int i = 0 ; i < count ; ++i )
1110     {
1111         updateRgn.Union(wxFromNSRect(slf, rects[i]));
1112     }
1113
1114     wxWindow* wxpeer = GetWXPeer();
1115     if ( wxpeer->MacGetTopLevelWindow()->GetWindowStyle() & wxFRAME_SHAPED )
1116     {
1117         int xoffset = 0, yoffset = 0;
1118         wxRegion rgn = wxpeer->MacGetTopLevelWindow()->GetShape();
1119         wxpeer->MacRootWindowToWindow( &xoffset, &yoffset );
1120         rgn.Offset( xoffset, yoffset );
1121         updateRgn.Intersect(rgn);
1122     }
1123
1124     wxpeer->GetUpdateRegion() = updateRgn;
1125     wxpeer->MacSetCGContextRef( context );
1126
1127     bool handled = wxpeer->MacDoRedraw( 0 );
1128     CGContextRestoreGState( context );
1129
1130     CGContextSaveGState( context );
1131     if ( !handled )
1132     {
1133         // call super
1134         SEL _cmd = @selector(drawRect:);
1135         wxOSX_DrawRectHandlerPtr superimpl = (wxOSX_DrawRectHandlerPtr) [[slf superclass] instanceMethodForSelector:_cmd];
1136         superimpl(slf, _cmd, *(NSRect*)rect);
1137         CGContextRestoreGState( context );
1138         CGContextSaveGState( context );
1139     }
1140     wxpeer->MacPaintChildrenBorders();
1141     wxpeer->MacSetCGContextRef( NULL );
1142     CGContextRestoreGState( context );
1143 }
1144
1145 void wxWidgetCocoaImpl::controlAction( WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd), void *WXUNUSED(sender))
1146 {
1147     wxWindow* wxpeer = (wxWindow*) GetWXPeer();
1148     if ( wxpeer )
1149         wxpeer->OSXHandleClicked(0);
1150 }
1151
1152 void wxWidgetCocoaImpl::controlDoubleAction( WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd), void *WXUNUSED(sender))
1153 {
1154 }
1155
1156 void wxWidgetCocoaImpl::controlTextDidChange()
1157 {
1158     wxWindow* wxpeer = (wxWindow*)GetWXPeer();
1159     if ( wxpeer )
1160     {
1161         // since native rtti doesn't have to be enabled and wx' rtti is not aware of the mixin wxTextEntry, workaround is needed
1162         wxTextCtrl *tc = wxDynamicCast( wxpeer , wxTextCtrl );
1163         wxComboBox *cb = wxDynamicCast( wxpeer , wxComboBox );
1164         if ( tc )
1165             tc->SendTextUpdatedEventIfAllowed();
1166         else if ( cb )
1167             cb->SendTextUpdatedEventIfAllowed();
1168         else
1169         {
1170             wxFAIL_MSG("Unexpected class for controlTextDidChange event");
1171         }
1172     }
1173 }
1174
1175 //
1176
1177 #if OBJC_API_VERSION >= 2
1178
1179 #define wxOSX_CLASS_ADD_METHOD( c, s, i, t ) \
1180     class_addMethod(c, s, i, t );
1181
1182 #else
1183
1184 #define wxOSX_CLASS_ADD_METHOD( c, s, i, t ) \
1185     { s, t, i },
1186
1187 #endif
1188
1189 void wxOSXCocoaClassAddWXMethods(Class c)
1190 {
1191
1192 #if OBJC_API_VERSION < 2
1193     static objc_method wxmethods[] =
1194     {
1195 #endif
1196
1197     wxOSX_CLASS_ADD_METHOD(c, @selector(mouseDown:), (IMP) wxOSX_mouseEvent, "v@:@" )
1198     wxOSX_CLASS_ADD_METHOD(c, @selector(rightMouseDown:), (IMP) wxOSX_mouseEvent, "v@:@" )
1199     wxOSX_CLASS_ADD_METHOD(c, @selector(otherMouseDown:), (IMP) wxOSX_mouseEvent, "v@:@" )
1200
1201     wxOSX_CLASS_ADD_METHOD(c, @selector(mouseUp:), (IMP) wxOSX_mouseEvent, "v@:@" )
1202     wxOSX_CLASS_ADD_METHOD(c, @selector(rightMouseUp:), (IMP) wxOSX_mouseEvent, "v@:@" )
1203     wxOSX_CLASS_ADD_METHOD(c, @selector(otherMouseUp:), (IMP) wxOSX_mouseEvent, "v@:@" )
1204
1205     wxOSX_CLASS_ADD_METHOD(c, @selector(mouseMoved:), (IMP) wxOSX_mouseEvent, "v@:@" )
1206
1207     wxOSX_CLASS_ADD_METHOD(c, @selector(mouseDragged:), (IMP) wxOSX_mouseEvent, "v@:@" )
1208     wxOSX_CLASS_ADD_METHOD(c, @selector(rightMouseDragged:), (IMP) wxOSX_mouseEvent, "v@:@" )
1209     wxOSX_CLASS_ADD_METHOD(c, @selector(otherMouseDragged:), (IMP) wxOSX_mouseEvent, "v@:@" )
1210
1211     wxOSX_CLASS_ADD_METHOD(c, @selector(acceptsFirstMouse:), (IMP) wxOSX_acceptsFirstMouse, "v@:@" )
1212
1213     wxOSX_CLASS_ADD_METHOD(c, @selector(scrollWheel:), (IMP) wxOSX_mouseEvent, "v@:@" )
1214     wxOSX_CLASS_ADD_METHOD(c, @selector(mouseEntered:), (IMP) wxOSX_mouseEvent, "v@:@" )
1215     wxOSX_CLASS_ADD_METHOD(c, @selector(mouseExited:), (IMP) wxOSX_mouseEvent, "v@:@" )
1216
1217     wxOSX_CLASS_ADD_METHOD(c, @selector(keyDown:), (IMP) wxOSX_keyEvent, "v@:@" )
1218     wxOSX_CLASS_ADD_METHOD(c, @selector(keyUp:), (IMP) wxOSX_keyEvent, "v@:@" )
1219     wxOSX_CLASS_ADD_METHOD(c, @selector(flagsChanged:), (IMP) wxOSX_keyEvent, "v@:@" )
1220
1221     wxOSX_CLASS_ADD_METHOD(c, @selector(insertText:), (IMP) wxOSX_insertText, "v@:@" )
1222
1223     wxOSX_CLASS_ADD_METHOD(c, @selector(performKeyEquivalent:), (IMP) wxOSX_performKeyEquivalent, "c@:@" )
1224
1225     wxOSX_CLASS_ADD_METHOD(c, @selector(acceptsFirstResponder), (IMP) wxOSX_acceptsFirstResponder, "c@:" )
1226     wxOSX_CLASS_ADD_METHOD(c, @selector(becomeFirstResponder), (IMP) wxOSX_becomeFirstResponder, "c@:" )
1227     wxOSX_CLASS_ADD_METHOD(c, @selector(resignFirstResponder), (IMP) wxOSX_resignFirstResponder, "c@:" )
1228     wxOSX_CLASS_ADD_METHOD(c, @selector(resetCursorRects), (IMP) wxOSX_resetCursorRects, "v@:" )
1229
1230     wxOSX_CLASS_ADD_METHOD(c, @selector(isFlipped), (IMP) wxOSX_isFlipped, "c@:" )
1231     wxOSX_CLASS_ADD_METHOD(c, @selector(drawRect:), (IMP) wxOSX_drawRect, "v@:{_NSRect={_NSPoint=ff}{_NSSize=ff}}" )
1232
1233     wxOSX_CLASS_ADD_METHOD(c, @selector(controlAction:), (IMP) wxOSX_controlAction, "v@:@" )
1234     wxOSX_CLASS_ADD_METHOD(c, @selector(controlDoubleAction:), (IMP) wxOSX_controlDoubleAction, "v@:@" )
1235
1236 #if wxUSE_DRAG_AND_DROP
1237     wxOSX_CLASS_ADD_METHOD(c, @selector(draggingEntered:), (IMP) wxOSX_draggingEntered, "I@:@" )
1238     wxOSX_CLASS_ADD_METHOD(c, @selector(draggingUpdated:), (IMP) wxOSX_draggingUpdated, "I@:@" )
1239     wxOSX_CLASS_ADD_METHOD(c, @selector(draggingExited:), (IMP) wxOSX_draggingExited, "v@:@" )
1240     wxOSX_CLASS_ADD_METHOD(c, @selector(performDragOperation:), (IMP) wxOSX_performDragOperation, "c@:@" )
1241 #endif
1242
1243 #if OBJC_API_VERSION < 2
1244     } ;
1245     static int method_count = WXSIZEOF( wxmethods );
1246     static objc_method_list *wxmethodlist = NULL;
1247     if ( wxmethodlist == NULL )
1248     {
1249         wxmethodlist = (objc_method_list*) malloc(sizeof(objc_method_list) + sizeof(wxmethods) );
1250         memcpy( &wxmethodlist->method_list[0], &wxmethods[0], sizeof(wxmethods) );
1251         wxmethodlist->method_count = method_count;
1252         wxmethodlist->obsolete = 0;
1253     }
1254     class_addMethods( c, wxmethodlist );
1255 #endif
1256 }
1257
1258 //
1259 // C++ implementation class
1260 //
1261
1262 IMPLEMENT_DYNAMIC_CLASS( wxWidgetCocoaImpl , wxWidgetImpl )
1263
1264 wxWidgetCocoaImpl::wxWidgetCocoaImpl( wxWindowMac* peer , WXWidget w, bool isRootControl ) :
1265     wxWidgetImpl( peer, isRootControl )
1266 {
1267     Init();
1268     m_osxView = w;
1269
1270     // check if the user wants to create the control initially hidden
1271     if ( !peer->IsShown() )
1272         SetVisibility(false);
1273
1274     // gc aware handling
1275     if ( m_osxView )
1276         CFRetain(m_osxView);
1277     [m_osxView release];
1278 }
1279
1280 wxWidgetCocoaImpl::wxWidgetCocoaImpl()
1281 {
1282     Init();
1283 }
1284
1285 void wxWidgetCocoaImpl::Init()
1286 {
1287     m_osxView = NULL;
1288     m_isFlipped = true;
1289     m_lastKeyDownEvent = NULL;
1290     m_hasEditor = false;
1291 }
1292
1293 wxWidgetCocoaImpl::~wxWidgetCocoaImpl()
1294 {
1295     RemoveAssociations( this );
1296
1297     if ( !IsRootControl() )
1298     {
1299         NSView *sv = [m_osxView superview];
1300         if ( sv != nil )
1301             [m_osxView removeFromSuperview];
1302     }
1303     // gc aware handling
1304     if ( m_osxView )
1305         CFRelease(m_osxView);
1306 }
1307
1308 bool wxWidgetCocoaImpl::IsVisible() const
1309 {
1310     return [m_osxView isHiddenOrHasHiddenAncestor] == NO;
1311 }
1312
1313 void wxWidgetCocoaImpl::SetVisibility( bool visible )
1314 {
1315     [m_osxView setHidden:(visible ? NO:YES)];
1316 }
1317
1318 // ----------------------------------------------------------------------------
1319 // window animation stuff
1320 // ----------------------------------------------------------------------------
1321
1322 // define a delegate used to refresh the window during animation
1323 @interface wxNSAnimationDelegate : NSObject wxOSX_10_6_AND_LATER(<NSAnimationDelegate>)
1324 {
1325     wxWindow *m_win;
1326     bool m_isDone;
1327 }
1328
1329 - (id)init:(wxWindow *)win;
1330
1331 - (bool)isDone;
1332
1333 // NSAnimationDelegate methods
1334 - (void)animationDidEnd:(NSAnimation*)animation;
1335 - (void)animation:(NSAnimation*)animation
1336         didReachProgressMark:(NSAnimationProgress)progress;
1337 @end
1338
1339 @implementation wxNSAnimationDelegate
1340
1341 - (id)init:(wxWindow *)win
1342 {
1343     [super init];
1344
1345     m_win = win;
1346     m_isDone = false;
1347
1348     return self;
1349 }
1350
1351 - (bool)isDone
1352 {
1353     return m_isDone;
1354 }
1355
1356 - (void)animation:(NSAnimation*)animation
1357         didReachProgressMark:(NSAnimationProgress)progress
1358 {
1359     wxUnusedVar(animation);
1360     wxUnusedVar(progress);
1361
1362     m_win->SendSizeEvent();
1363 }
1364
1365 - (void)animationDidEnd:(NSAnimation*)animation
1366 {
1367     wxUnusedVar(animation);
1368     m_isDone = true;
1369 }
1370
1371 @end
1372
1373 /* static */
1374 bool
1375 wxWidgetCocoaImpl::ShowViewOrWindowWithEffect(wxWindow *win,
1376                                               bool show,
1377                                               wxShowEffect effect,
1378                                               unsigned timeout)
1379 {
1380     // create the dictionary describing the animation to perform on this view
1381     NSObject * const
1382         viewOrWin = static_cast<NSObject *>(win->OSXGetViewOrWindow());
1383     NSMutableDictionary * const
1384         dict = [NSMutableDictionary dictionaryWithCapacity:4];
1385     [dict setObject:viewOrWin forKey:NSViewAnimationTargetKey];
1386
1387     // determine the start and end rectangles assuming we're hiding the window
1388     const wxRect rectOrig = win->GetRect();
1389     wxRect rectStart,
1390            rectEnd;
1391     rectStart =
1392     rectEnd = rectOrig;
1393
1394     if ( show )
1395     {
1396         if ( effect == wxSHOW_EFFECT_ROLL_TO_LEFT ||
1397                 effect == wxSHOW_EFFECT_SLIDE_TO_LEFT )
1398             effect = wxSHOW_EFFECT_ROLL_TO_RIGHT;
1399         else if ( effect == wxSHOW_EFFECT_ROLL_TO_RIGHT ||
1400                     effect == wxSHOW_EFFECT_SLIDE_TO_RIGHT )
1401             effect = wxSHOW_EFFECT_ROLL_TO_LEFT;
1402         else if ( effect == wxSHOW_EFFECT_ROLL_TO_TOP ||
1403                     effect == wxSHOW_EFFECT_SLIDE_TO_TOP )
1404             effect = wxSHOW_EFFECT_ROLL_TO_BOTTOM;
1405         else if ( effect == wxSHOW_EFFECT_ROLL_TO_BOTTOM ||
1406                     effect == wxSHOW_EFFECT_SLIDE_TO_BOTTOM )
1407             effect = wxSHOW_EFFECT_ROLL_TO_TOP;
1408     }
1409
1410     switch ( effect )
1411     {
1412         case wxSHOW_EFFECT_ROLL_TO_LEFT:
1413         case wxSHOW_EFFECT_SLIDE_TO_LEFT:
1414             rectEnd.width = 0;
1415             break;
1416
1417         case wxSHOW_EFFECT_ROLL_TO_RIGHT:
1418         case wxSHOW_EFFECT_SLIDE_TO_RIGHT:
1419             rectEnd.x = rectStart.GetRight();
1420             rectEnd.width = 0;
1421             break;
1422
1423         case wxSHOW_EFFECT_ROLL_TO_TOP:
1424         case wxSHOW_EFFECT_SLIDE_TO_TOP:
1425             rectEnd.height = 0;
1426             break;
1427
1428         case wxSHOW_EFFECT_ROLL_TO_BOTTOM:
1429         case wxSHOW_EFFECT_SLIDE_TO_BOTTOM:
1430             rectEnd.y = rectStart.GetBottom();
1431             rectEnd.height = 0;
1432             break;
1433
1434         case wxSHOW_EFFECT_EXPAND:
1435             rectEnd.x = rectStart.x + rectStart.width / 2;
1436             rectEnd.y = rectStart.y + rectStart.height / 2;
1437             rectEnd.width =
1438             rectEnd.height = 0;
1439             break;
1440
1441         case wxSHOW_EFFECT_BLEND:
1442             [dict setObject:(show ? NSViewAnimationFadeInEffect
1443                                   : NSViewAnimationFadeOutEffect)
1444                   forKey:NSViewAnimationEffectKey];
1445             break;
1446
1447         case wxSHOW_EFFECT_NONE:
1448         case wxSHOW_EFFECT_MAX:
1449             wxFAIL_MSG( "unexpected animation effect" );
1450             return false;
1451
1452         default:
1453             wxFAIL_MSG( "unknown animation effect" );
1454             return false;
1455     };
1456
1457     if ( show )
1458     {
1459         // we need to restore it to the original rectangle instead of making it
1460         // disappear
1461         wxSwap(rectStart, rectEnd);
1462
1463         // and as the window is currently hidden, we need to show it for the
1464         // animation to be visible at all (but don't restore it at its full
1465         // rectangle as it shouldn't appear immediately)
1466         win->SetSize(rectStart);
1467         win->Show();
1468     }
1469
1470     NSView * const parentView = [viewOrWin isKindOfClass:[NSView class]]
1471                                     ? [(NSView *)viewOrWin superview]
1472                                     : nil;
1473     const NSRect rStart = wxToNSRect(parentView, rectStart);
1474     const NSRect rEnd = wxToNSRect(parentView, rectEnd);
1475
1476     [dict setObject:[NSValue valueWithRect:rStart]
1477           forKey:NSViewAnimationStartFrameKey];
1478     [dict setObject:[NSValue valueWithRect:rEnd]
1479           forKey:NSViewAnimationEndFrameKey];
1480
1481     // create an animation using the values in the above dictionary
1482     NSViewAnimation * const
1483         anim = [[NSViewAnimation alloc]
1484                 initWithViewAnimations:[NSArray arrayWithObject:dict]];
1485
1486     if ( !timeout )
1487     {
1488         // what is a good default duration? Windows uses 200ms, Web frameworks
1489         // use anything from 250ms to 1s... choose something in the middle
1490         timeout = 500;
1491     }
1492
1493     [anim setDuration:timeout/1000.];   // duration is in seconds here
1494
1495     // if the window being animated changes its layout depending on its size
1496     // (which is almost always the case) we need to redo it during animation
1497     //
1498     // the number of layouts here is arbitrary, but 10 seems like too few (e.g.
1499     // controls in wxInfoBar visibly jump around)
1500     const int NUM_LAYOUTS = 20;
1501     for ( float f = 1./NUM_LAYOUTS; f < 1.; f += 1./NUM_LAYOUTS )
1502         [anim addProgressMark:f];
1503
1504     wxNSAnimationDelegate * const
1505         animDelegate = [[wxNSAnimationDelegate alloc] init:win];
1506     [anim setDelegate:animDelegate];
1507     [anim startAnimation];
1508
1509     // Cocoa is capable of doing animation asynchronously or even from separate
1510     // thread but wx API doesn't provide any way to be notified about the
1511     // animation end and without this we really must ensure that the window has
1512     // the expected (i.e. the same as if a simple Show() had been used) size
1513     // when we return, so block here until the animation finishes
1514     //
1515     // notice that because the default animation mode is NSAnimationBlocking,
1516     // no user input events ought to be processed from here
1517     {
1518         wxEventLoopGuarantor ensureEventLoopExistence;
1519         wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
1520         while ( ![animDelegate isDone] )
1521             loop->Dispatch();
1522     }
1523
1524     if ( !show )
1525     {
1526         // NSViewAnimation is smart enough to hide the NSView being animated at
1527         // the end but we also must ensure that it's hidden for wx too
1528         win->Hide();
1529
1530         // and we must also restore its size because it isn't expected to
1531         // change just because the window was hidden
1532         win->SetSize(rectOrig);
1533     }
1534     else
1535     {
1536         // refresh it once again after the end to ensure that everything is in
1537         // place
1538         win->SendSizeEvent();
1539     }
1540
1541     [anim setDelegate:nil];
1542     [animDelegate release];
1543     [anim release];
1544
1545     return true;
1546 }
1547
1548 bool wxWidgetCocoaImpl::ShowWithEffect(bool show,
1549                                        wxShowEffect effect,
1550                                        unsigned timeout)
1551 {
1552     return ShowViewOrWindowWithEffect(m_wxPeer, show, effect, timeout);
1553 }
1554
1555 void wxWidgetCocoaImpl::Raise()
1556 {
1557     // Not implemented
1558 }
1559
1560 void wxWidgetCocoaImpl::Lower()
1561 {
1562     // Not implemented
1563 }
1564
1565 void wxWidgetCocoaImpl::ScrollRect( const wxRect *WXUNUSED(rect), int WXUNUSED(dx), int WXUNUSED(dy) )
1566 {
1567 #if 1
1568     SetNeedsDisplay() ;
1569 #else
1570     // We should do something like this, but it wasn't working in 10.4.
1571     if (GetNeedsDisplay() )
1572     {
1573         SetNeedsDisplay() ;
1574     }
1575     NSRect r = wxToNSRect( [m_osxView superview], *rect );
1576     NSSize offset = NSMakeSize((float)dx, (float)dy);
1577     [m_osxView scrollRect:r by:offset];
1578 #endif
1579 }
1580
1581 void wxWidgetCocoaImpl::Move(int x, int y, int width, int height)
1582 {
1583     wxWindowMac* parent = GetWXPeer()->GetParent();
1584     // under Cocoa we might have a contentView in the wxParent to which we have to
1585     // adjust the coordinates
1586     if (parent && [m_osxView superview] != parent->GetHandle() )
1587     {
1588         int cx = 0,cy = 0,cw = 0,ch = 0;
1589         if ( parent->GetPeer() )
1590         {
1591             parent->GetPeer()->GetContentArea(cx, cy, cw, ch);
1592             x -= cx;
1593             y -= cy;
1594         }
1595     }
1596     [[m_osxView superview] setNeedsDisplayInRect:[m_osxView frame]];
1597     NSRect r = wxToNSRect( [m_osxView superview], wxRect(x,y,width, height) );
1598     [m_osxView setFrame:r];
1599     [[m_osxView superview] setNeedsDisplayInRect:r];
1600
1601     wxNSView* wxview = (wxNSView*)m_osxView;
1602 #if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
1603     if ([wxview respondsToSelector:@selector(updateTrackingArea)] )
1604         [wxview updateTrackingArea];
1605 #else
1606     if ([m_osxView respondsToSelector:@selector(trackingTag)] )
1607     {
1608         if ( [wxview trackingTag] )
1609             [wxview removeTrackingRect: [wxview trackingTag]];
1610
1611         [wxview setTrackingTag: [wxview addTrackingRect: [m_osxView bounds] owner: wxview userData: nil assumeInside: NO]];
1612     }
1613 #endif
1614 }
1615
1616 void wxWidgetCocoaImpl::GetPosition( int &x, int &y ) const
1617 {
1618     wxRect r = wxFromNSRect( [m_osxView superview], [m_osxView frame] );
1619     x = r.GetLeft();
1620     y = r.GetTop();
1621 }
1622
1623 void wxWidgetCocoaImpl::GetSize( int &width, int &height ) const
1624 {
1625     NSRect rect = [m_osxView frame];
1626     width = (int)rect.size.width;
1627     height = (int)rect.size.height;
1628 }
1629
1630 void wxWidgetCocoaImpl::GetContentArea( int&left, int &top, int &width, int &height ) const
1631 {
1632     if ( [m_osxView respondsToSelector:@selector(contentView) ] )
1633     {
1634         NSView* cv = [m_osxView contentView];
1635
1636         NSRect bounds = [m_osxView bounds];
1637         NSRect rect = [cv frame];
1638
1639         int y = (int)rect.origin.y;
1640         int x = (int)rect.origin.x;
1641         if ( ![ m_osxView isFlipped ] )
1642             y = (int)(bounds.size.height - (rect.origin.y + rect.size.height));
1643         left = x;
1644         top = y;
1645         width = (int)rect.size.width;
1646         height = (int)rect.size.height;
1647     }
1648     else
1649     {
1650         left = top = 0;
1651         GetSize( width, height );
1652     }
1653 }
1654
1655 void wxWidgetCocoaImpl::SetNeedsDisplay( const wxRect* where )
1656 {
1657     if ( where )
1658         [m_osxView setNeedsDisplayInRect:wxToNSRect(m_osxView, *where )];
1659     else
1660         [m_osxView setNeedsDisplay:YES];
1661 }
1662
1663 bool wxWidgetCocoaImpl::GetNeedsDisplay() const
1664 {
1665     return [m_osxView needsDisplay];
1666 }
1667
1668 bool wxWidgetCocoaImpl::CanFocus() const
1669 {
1670     return [m_osxView canBecomeKeyView] == YES;
1671 }
1672
1673 bool wxWidgetCocoaImpl::HasFocus() const
1674 {
1675     return ( FindFocus() == m_osxView );
1676 }
1677
1678 bool wxWidgetCocoaImpl::SetFocus()
1679 {
1680     if ( !CanFocus() )
1681         return false;
1682
1683     [[m_osxView window] makeKeyAndOrderFront:nil] ;
1684     [[m_osxView window] makeFirstResponder: m_osxView] ;
1685     return true;
1686 }
1687
1688
1689 void wxWidgetCocoaImpl::RemoveFromParent()
1690 {
1691     [m_osxView removeFromSuperview];
1692 }
1693
1694 void wxWidgetCocoaImpl::Embed( wxWidgetImpl *parent )
1695 {
1696     NSView* container = parent->GetWXWidget() ;
1697     wxASSERT_MSG( container != NULL , wxT("No valid mac container control") ) ;
1698     [container addSubview:m_osxView];
1699 }
1700
1701 void wxWidgetCocoaImpl::SetBackgroundColour( const wxColour &col )
1702 {
1703     NSView* targetView = m_osxView;
1704     if ( [m_osxView isKindOfClass:[NSScrollView class] ] )
1705         targetView = [(NSScrollView*) m_osxView documentView];
1706
1707     if ( [targetView respondsToSelector:@selector(setBackgroundColor:) ] )
1708     {
1709         [targetView setBackgroundColor:[NSColor colorWithCalibratedRed:(CGFloat) (col.Red() / 255.0)
1710                                                                 green:(CGFloat) (col.Green() / 255.0)
1711                                                                  blue:(CGFloat) (col.Blue() / 255.0)
1712                                                                 alpha:(CGFloat) (col.Alpha() / 255.0)]];
1713     }
1714 }
1715
1716 bool wxWidgetCocoaImpl::SetBackgroundStyle( wxBackgroundStyle style )
1717 {
1718     BOOL opaque = ( style == wxBG_STYLE_PAINT );
1719
1720     if ( [m_osxView respondsToSelector:@selector(setOpaque:) ] )
1721     {
1722         [m_osxView setOpaque: opaque];
1723     }
1724
1725     return true ;
1726 }
1727
1728 void wxWidgetCocoaImpl::SetLabel( const wxString& title, wxFontEncoding encoding )
1729 {
1730     if ( [m_osxView respondsToSelector:@selector(setTitle:) ] )
1731     {
1732         wxCFStringRef cf( title , encoding );
1733         [m_osxView setTitle:cf.AsNSString()];
1734     }
1735     else if ( [m_osxView respondsToSelector:@selector(setStringValue:) ] )
1736     {
1737         wxCFStringRef cf( title , encoding );
1738         [m_osxView setStringValue:cf.AsNSString()];
1739     }
1740 }
1741
1742
1743 void  wxWidgetImpl::Convert( wxPoint *pt , wxWidgetImpl *from , wxWidgetImpl *to )
1744 {
1745     NSPoint p = wxToNSPoint( from->GetWXWidget(), *pt );
1746     p = [from->GetWXWidget() convertPoint:p toView:to->GetWXWidget() ];
1747     *pt = wxFromNSPoint( to->GetWXWidget(), p );
1748 }
1749
1750 wxInt32 wxWidgetCocoaImpl::GetValue() const
1751 {
1752     return [(NSControl*)m_osxView intValue];
1753 }
1754
1755 void wxWidgetCocoaImpl::SetValue( wxInt32 v )
1756 {
1757     if (  [m_osxView respondsToSelector:@selector(setIntValue:)] )
1758     {
1759         [m_osxView setIntValue:v];
1760     }
1761     else if (  [m_osxView respondsToSelector:@selector(setFloatValue:)] )
1762     {
1763         [m_osxView setFloatValue:(double)v];
1764     }
1765     else if (  [m_osxView respondsToSelector:@selector(setDoubleValue:)] )
1766     {
1767         [m_osxView setDoubleValue:(double)v];
1768     }
1769 }
1770
1771 void wxWidgetCocoaImpl::SetMinimum( wxInt32 v )
1772 {
1773     if (  [m_osxView respondsToSelector:@selector(setMinValue:)] )
1774     {
1775         [m_osxView setMinValue:(double)v];
1776     }
1777 }
1778
1779 void wxWidgetCocoaImpl::SetMaximum( wxInt32 v )
1780 {
1781     if (  [m_osxView respondsToSelector:@selector(setMaxValue:)] )
1782     {
1783         [m_osxView setMaxValue:(double)v];
1784     }
1785 }
1786
1787 wxInt32 wxWidgetCocoaImpl::GetMinimum() const
1788 {
1789     if (  [m_osxView respondsToSelector:@selector(getMinValue:)] )
1790     {
1791         return (int)[m_osxView minValue];
1792     }
1793     return 0;
1794 }
1795
1796 wxInt32 wxWidgetCocoaImpl::GetMaximum() const
1797 {
1798     if (  [m_osxView respondsToSelector:@selector(getMaxValue:)] )
1799     {
1800         return (int)[m_osxView maxValue];
1801     }
1802     return 0;
1803 }
1804
1805 wxBitmap wxWidgetCocoaImpl::GetBitmap() const
1806 {
1807     wxBitmap bmp;
1808
1809     // TODO: how to create a wxBitmap from NSImage?
1810 #if 0
1811     if ( [m_osxView respondsToSelector:@selector(image:)] )
1812         bmp = [m_osxView image];
1813 #endif
1814
1815     return bmp;
1816 }
1817
1818 void wxWidgetCocoaImpl::SetBitmap( const wxBitmap& bitmap )
1819 {
1820     if (  [m_osxView respondsToSelector:@selector(setImage:)] )
1821     {
1822         [m_osxView setImage:bitmap.GetNSImage()];
1823         [m_osxView setNeedsDisplay:YES];
1824     }
1825 }
1826
1827 void wxWidgetCocoaImpl::SetBitmapPosition( wxDirection dir )
1828 {
1829     if ( [m_osxView respondsToSelector:@selector(setImagePosition:)] )
1830     {
1831         NSCellImagePosition pos;
1832         switch ( dir )
1833         {
1834             case wxLEFT:
1835                 pos = NSImageLeft;
1836                 break;
1837
1838             case wxRIGHT:
1839                 pos = NSImageRight;
1840                 break;
1841
1842             case wxTOP:
1843                 pos = NSImageAbove;
1844                 break;
1845
1846             case wxBOTTOM:
1847                 pos = NSImageBelow;
1848                 break;
1849
1850             default:
1851                 wxFAIL_MSG( "invalid image position" );
1852                 pos = NSNoImage;
1853         }
1854
1855         [m_osxView setImagePosition:pos];
1856     }
1857 }
1858
1859 void wxWidgetCocoaImpl::SetupTabs( const wxNotebook& WXUNUSED(notebook))
1860 {
1861     // implementation in subclass
1862 }
1863
1864 void wxWidgetCocoaImpl::GetBestRect( wxRect *r ) const
1865 {
1866     r->x = r->y = r->width = r->height = 0;
1867
1868     if (  [m_osxView respondsToSelector:@selector(sizeToFit)] )
1869     {
1870         NSRect former = [m_osxView frame];
1871         [m_osxView sizeToFit];
1872         NSRect best = [m_osxView frame];
1873         [m_osxView setFrame:former];
1874         r->width = (int)best.size.width;
1875         r->height = (int)best.size.height;
1876     }
1877 }
1878
1879 bool wxWidgetCocoaImpl::IsEnabled() const
1880 {
1881     if ( [m_osxView respondsToSelector:@selector(isEnabled) ] )
1882         return [m_osxView isEnabled];
1883     return true;
1884 }
1885
1886 void wxWidgetCocoaImpl::Enable( bool enable )
1887 {
1888     if ( [m_osxView respondsToSelector:@selector(setEnabled:) ] )
1889         [m_osxView setEnabled:enable];
1890 }
1891
1892 void wxWidgetCocoaImpl::PulseGauge()
1893 {
1894 }
1895
1896 void wxWidgetCocoaImpl::SetScrollThumb( wxInt32 WXUNUSED(val), wxInt32 WXUNUSED(view) )
1897 {
1898 }
1899
1900 void wxWidgetCocoaImpl::SetControlSize( wxWindowVariant variant )
1901 {
1902     NSControlSize size = NSRegularControlSize;
1903
1904     switch ( variant )
1905     {
1906         case wxWINDOW_VARIANT_NORMAL :
1907             size = NSRegularControlSize;
1908             break ;
1909
1910         case wxWINDOW_VARIANT_SMALL :
1911             size = NSSmallControlSize;
1912             break ;
1913
1914         case wxWINDOW_VARIANT_MINI :
1915             size = NSMiniControlSize;
1916             break ;
1917
1918         case wxWINDOW_VARIANT_LARGE :
1919             size = NSRegularControlSize;
1920             break ;
1921
1922         default:
1923             wxFAIL_MSG(wxT("unexpected window variant"));
1924             break ;
1925     }
1926     if ( [m_osxView respondsToSelector:@selector(setControlSize:)] )
1927         [m_osxView setControlSize:size];
1928     else if ([m_osxView respondsToSelector:@selector(cell)])
1929     {
1930         id cell = [(id)m_osxView cell];
1931         if ([cell respondsToSelector:@selector(setControlSize:)])
1932             [cell setControlSize:size];
1933     }
1934 }
1935
1936 void wxWidgetCocoaImpl::SetFont(wxFont const& font, wxColour const&col, long, bool)
1937 {
1938     if ([m_osxView respondsToSelector:@selector(setFont:)])
1939         [m_osxView setFont: font.OSXGetNSFont()];
1940     if ([m_osxView respondsToSelector:@selector(setTextColor:)])
1941         [m_osxView setTextColor:[NSColor colorWithCalibratedRed:(CGFloat) (col.Red() / 255.0)
1942                                                                  green:(CGFloat) (col.Green() / 255.0)
1943                                                                   blue:(CGFloat) (col.Blue() / 255.0)
1944                                                                  alpha:(CGFloat) (col.Alpha() / 255.0)]];
1945 }
1946
1947 void wxWidgetCocoaImpl::SetToolTip(wxToolTip* tooltip)
1948 {
1949     if (tooltip)
1950     {
1951         wxCFStringRef cf( tooltip->GetTip() , m_wxPeer->GetFont().GetEncoding() );
1952         [m_osxView setToolTip: cf.AsNSString()];
1953     }
1954     else
1955         [m_osxView setToolTip: nil];
1956
1957 }
1958
1959 void wxWidgetCocoaImpl::InstallEventHandler( WXWidget control )
1960 {
1961     WXWidget c =  control ? control : (WXWidget) m_osxView;
1962     wxWidgetImpl::Associate( c, this ) ;
1963     if ([c respondsToSelector:@selector(setAction:)])
1964     {
1965         [c setTarget: c];
1966         [c setAction: @selector(controlAction:)];
1967         if ([c respondsToSelector:@selector(setDoubleAction:)])
1968         {
1969             [c setDoubleAction: @selector(controlDoubleAction:)];
1970         }
1971
1972     }
1973 }
1974
1975 bool wxWidgetCocoaImpl::DoHandleCharEvent(NSEvent *event, NSString *text)
1976 {
1977     wxKeyEvent wxevent(wxEVT_CHAR);
1978     SetupKeyEvent( wxevent, event, text );
1979
1980     return GetWXPeer()->OSXHandleKeyEvent(wxevent);
1981 }
1982
1983 bool wxWidgetCocoaImpl::DoHandleKeyEvent(NSEvent *event)
1984 {
1985     wxKeyEvent wxevent(wxEVT_KEY_DOWN);
1986     SetupKeyEvent( wxevent, event );
1987     bool result = GetWXPeer()->OSXHandleKeyEvent(wxevent);
1988
1989     // this will fire higher level events, like insertText, to help
1990     // us handle EVT_CHAR, etc.
1991
1992     if ( m_wxPeer->MacIsUserPane() && [event type] == NSKeyDown)
1993     {
1994         if ( !result )
1995         {
1996             if ( wxevent.GetKeyCode() < WXK_SPACE || wxevent.GetKeyCode() == WXK_DELETE || wxevent.GetKeyCode() >= WXK_START )
1997             {
1998                 // eventually we could setup a doCommandBySelector catcher and retransform this into the wx key chars
1999                 wxKeyEvent wxevent2(wxevent) ;
2000                 wxevent2.SetEventType(wxEVT_CHAR);
2001                 GetWXPeer()->OSXHandleKeyEvent(wxevent2);
2002             }
2003             else
2004             {
2005                 if ( [m_osxView isKindOfClass:[NSScrollView class] ] )
2006                     [[(NSScrollView*)m_osxView documentView] interpretKeyEvents:[NSArray arrayWithObject:event]];
2007                 else
2008                     [m_osxView interpretKeyEvents:[NSArray arrayWithObject:event]];
2009             }
2010             result = true;
2011         }
2012     }
2013
2014     return result;
2015 }
2016
2017 bool wxWidgetCocoaImpl::DoHandleMouseEvent(NSEvent *event)
2018 {
2019     wxMouseEvent wxevent(wxEVT_LEFT_DOWN);
2020     SetupMouseEvent(wxevent , event) ;
2021
2022     return GetWXPeer()->HandleWindowEvent(wxevent);
2023 }
2024
2025 void wxWidgetCocoaImpl::DoNotifyFocusEvent(bool receivedFocus, wxWidgetImpl* otherWindow)
2026 {
2027     wxWindow* thisWindow = GetWXPeer();
2028     if ( thisWindow->MacGetTopLevelWindow() && NeedsFocusRect() )
2029     {
2030         thisWindow->MacInvalidateBorders();
2031     }
2032
2033     if ( receivedFocus )
2034     {
2035         wxLogTrace(wxT("Focus"), wxT("focus set(%p)"), static_cast<void*>(thisWindow));
2036         wxChildFocusEvent eventFocus((wxWindow*)thisWindow);
2037         thisWindow->HandleWindowEvent(eventFocus);
2038
2039 #if wxUSE_CARET
2040         if ( thisWindow->GetCaret() )
2041             thisWindow->GetCaret()->OnSetFocus();
2042 #endif
2043
2044         wxFocusEvent event(wxEVT_SET_FOCUS, thisWindow->GetId());
2045         event.SetEventObject(thisWindow);
2046         if (otherWindow)
2047             event.SetWindow(otherWindow->GetWXPeer());
2048         thisWindow->HandleWindowEvent(event) ;
2049     }
2050     else // !receivedFocuss
2051     {
2052 #if wxUSE_CARET
2053         if ( thisWindow->GetCaret() )
2054             thisWindow->GetCaret()->OnKillFocus();
2055 #endif
2056
2057         wxLogTrace(wxT("Focus"), wxT("focus lost(%p)"), static_cast<void*>(thisWindow));
2058
2059         wxFocusEvent event( wxEVT_KILL_FOCUS, thisWindow->GetId());
2060         event.SetEventObject(thisWindow);
2061         if (otherWindow)
2062             event.SetWindow(otherWindow->GetWXPeer());
2063         thisWindow->HandleWindowEvent(event) ;
2064     }
2065 }
2066
2067 void wxWidgetCocoaImpl::SetCursor(const wxCursor& cursor)
2068 {
2069     NSPoint location = [NSEvent mouseLocation];
2070     location = [[m_osxView window] convertScreenToBase:location];
2071     NSPoint locationInView = [m_osxView convertPoint:location fromView:nil];
2072
2073     if( NSMouseInRect(locationInView, [m_osxView bounds], YES) )
2074     {
2075         [(NSCursor*)cursor.GetHCURSOR() set];
2076     }
2077     [[m_osxView window] invalidateCursorRectsForView:m_osxView];
2078 }
2079
2080 void wxWidgetCocoaImpl::CaptureMouse()
2081 {
2082     [[m_osxView window] disableCursorRects];
2083 }
2084
2085 void wxWidgetCocoaImpl::ReleaseMouse()
2086 {
2087     [[m_osxView window] enableCursorRects];
2088 }
2089
2090 void wxWidgetCocoaImpl::SetFlipped(bool flipped)
2091 {
2092     m_isFlipped = flipped;
2093 }
2094
2095 //
2096 // Factory methods
2097 //
2098
2099 wxWidgetImpl* wxWidgetImpl::CreateUserPane( wxWindowMac* wxpeer, wxWindowMac* WXUNUSED(parent),
2100     wxWindowID WXUNUSED(id), const wxPoint& pos, const wxSize& size,
2101     long WXUNUSED(style), long WXUNUSED(extraStyle))
2102 {
2103     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
2104     wxNSView* v = [[wxNSView alloc] initWithFrame:r];
2105
2106     // temporary hook for dnd
2107     [v registerForDraggedTypes:[NSArray arrayWithObjects:
2108         NSStringPboardType, NSFilenamesPboardType, NSTIFFPboardType, NSPICTPboardType, NSPDFPboardType, nil]];
2109
2110     wxWidgetCocoaImpl* c = new wxWidgetCocoaImpl( wxpeer, v );
2111     return c;
2112 }
2113
2114 wxWidgetImpl* wxWidgetImpl::CreateContentView( wxNonOwnedWindow* now )
2115 {
2116     NSWindow* tlw = now->GetWXWindow();
2117
2118     wxWidgetCocoaImpl* c = NULL;
2119     if ( now->IsNativeWindowWrapper() )
2120     {
2121         NSView* cv = [tlw contentView];
2122         c = new wxWidgetCocoaImpl( now, cv, true );
2123         // increase ref count, because the impl destructor will decrement it again
2124         CFRetain(cv);
2125         if ( !now->IsShown() )
2126             [cv setHidden:NO];
2127
2128     }
2129     else
2130     {
2131         wxNSView* v = [[wxNSView alloc] initWithFrame:[[tlw contentView] frame]];
2132         c = new wxWidgetCocoaImpl( now, v, true );
2133         c->InstallEventHandler();
2134         [tlw setContentView:v];
2135     }
2136     return c;
2137 }