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 #include <Cocoa/Cocoa.h>
  15
  16 #ifdef __WXMAC__
  17 #include "wx/osx/private.h"
  18 #endif
  19
  20 #if wxOSX_USE_COCOA
  21
  22 @interface wxNSView : NSView
  23 {
  24     wxWidgetImpl* m_impl;
  25 }
  26
  27 - (void)drawRect: (NSRect) rect;
  28
  29 -(void)mouseDown:(NSEvent *)event ;
  30 -(void)rightMouseDown:(NSEvent *)event ;
  31 -(void)otherMouseDown:(NSEvent *)event ;
  32 -(void)mouseUp:(NSEvent *)event ;
  33 -(void)rightMouseUp:(NSEvent *)event ;
  34 -(void)otherMouseUp:(NSEvent *)event ;
  35 -(void)handleMouseEvent:(NSEvent *)event;
  36
  37 - (void)setImplementation: (wxWidgetImpl *) theImplementation;
  38 - (wxWidgetImpl*) implementation;
  39 - (BOOL) isFlipped;
  40 - (BOOL) becomeFirstResponder;
  41 - (BOOL) resignFirstResponder;
  42
  43 @end // wxNSView
  44
  45 void SetupMouseEvent( wxMouseEvent &wxevent , NSEvent * nsEvent )
  46 {
  47     UInt32 modifiers = [nsEvent modifierFlags] ;
  48     wxPoint screenMouseLocation = wxFromNSPoint( NULL, [nsEvent locationInWindow]);
  49
  50     // these parameters are not given for all events
  51     UInt32 button = [nsEvent buttonNumber];
  52     UInt32 clickCount = [nsEvent clickCount];
  53     UInt32 mouseChord = 0; // TODO does this exist for cocoa
  54
  55     wxevent.m_x = screenMouseLocation.x;
  56     wxevent.m_y = screenMouseLocation.y;
  57     wxevent.m_shiftDown = modifiers & NSShiftKeyMask;
  58     wxevent.m_controlDown = modifiers & NSControlKeyMask;
  59     wxevent.m_altDown = modifiers & NSAlternateKeyMask;
  60     wxevent.m_metaDown = modifiers & NSCommandKeyMask;
  61     wxevent.m_clickCount = clickCount;
  62     wxevent.SetTimestamp( [nsEvent timestamp] ) ;
  63 /*
  64     // a control click is interpreted as a right click
  65     bool thisButtonIsFakeRight = false ;
  66     if ( button == kEventMouseButtonPrimary && (modifiers & controlKey) )
  67     {
  68         button = kEventMouseButtonSecondary ;
  69         thisButtonIsFakeRight = true ;
  70     }
  71
  72     // otherwise we report double clicks by connecting a left click with a ctrl-left click
  73     if ( clickCount > 1 && button != g_lastButton )
  74         clickCount = 1 ;
  75     // we must make sure that our synthetic 'right' button corresponds in
  76     // mouse down, moved and mouse up, and does not deliver a right down and left up
  77
  78     if ( cEvent.GetKind() == kEventMouseDown )
  79     {
  80         g_lastButton = button ;
  81         g_lastButtonWasFakeRight = thisButtonIsFakeRight ;
  82     }
  83
  84     if ( button == 0 )
  85     {
  86         g_lastButton = 0 ;
  87         g_lastButtonWasFakeRight = false ;
  88     }
  89     else if ( g_lastButton == kEventMouseButtonSecondary && g_lastButtonWasFakeRight )
  90         button = g_lastButton ;
  91
  92     // Adjust the chord mask to remove the primary button and add the
  93     // secondary button.  It is possible that the secondary button is
  94     // already pressed, e.g. on a mouse connected to a laptop, but this
  95     // possibility is ignored here:
  96     if( thisButtonIsFakeRight && ( mouseChord & 1U ) )
  97         mouseChord = ((mouseChord & ~1U) | 2U);
  98
  99     if(mouseChord & 1U)
 100                 wxevent.m_leftDown = true ;
 101     if(mouseChord & 2U)
 102                 wxevent.m_rightDown = true ;
 103     if(mouseChord & 4U)
 104                 wxevent.m_middleDown = true ;
 105
 106 */
 107     // translate into wx types
 108     int eventType = [nsEvent type];
 109     switch (eventType)
 110     {
 111         case NSLeftMouseDown :
 112         case NSRightMouseDown :
 113         case NSOtherMouseDown :
 114             switch ( button )
 115             {
 116                 case 0 :
 117                     wxevent.SetEventType( clickCount > 1 ? wxEVT_LEFT_DCLICK : wxEVT_LEFT_DOWN )  ;
 118                     break ;
 119
 120                 case 1 :
 121                     wxevent.SetEventType( clickCount > 1 ? wxEVT_RIGHT_DCLICK : wxEVT_RIGHT_DOWN ) ;
 122                     break ;
 123
 124                 case 2 :
 125                     wxevent.SetEventType( clickCount > 1 ? wxEVT_MIDDLE_DCLICK : wxEVT_MIDDLE_DOWN ) ;
 126                     break ;
 127
 128                 default:
 129                     break ;
 130             }
 131             break ;
 132
 133         case NSLeftMouseUp :
 134         case NSRightMouseUp :
 135         case NSOtherMouseUp :
 136             switch ( button )
 137             {
 138                 case 0 :
 139                     wxevent.SetEventType( wxEVT_LEFT_UP )  ;
 140                     break ;
 141
 142                 case 1 :
 143                     wxevent.SetEventType( wxEVT_RIGHT_UP ) ;
 144                     break ;
 145
 146                 case 2 :
 147                     wxevent.SetEventType( wxEVT_MIDDLE_UP ) ;
 148                     break ;
 149
 150                 default:
 151                     break ;
 152             }
 153             break ;
 154
 155      case NSScrollWheel :
 156         {
 157             wxevent.SetEventType( wxEVT_MOUSEWHEEL ) ;
 158             /*
 159             EventMouseWheelAxis axis = cEvent.GetParameter<EventMouseWheelAxis>(kEventParamMouseWheelAxis, typeMouseWheelAxis) ;
 160             SInt32 delta = cEvent.GetParameter<SInt32>(kEventParamMouseWheelDelta, typeSInt32) ;
 161             */
 162             wxevent.m_wheelRotation = 10; // delta;
 163             wxevent.m_wheelDelta = 1;
 164             wxevent.m_linesPerAction = 1;
 165             if ( 0 /* axis == kEventMouseWheelAxisX*/ )
 166                 wxevent.m_wheelAxis = 1;
 167         }
 168         break ;
 169
 170         case NSMouseEntered :
 171         case NSMouseExited :
 172         case NSLeftMouseDragged :
 173         case NSRightMouseDragged :
 174         case NSOtherMouseDragged :
 175         case NSMouseMoved :
 176             wxevent.SetEventType( wxEVT_MOTION ) ;
 177             break;
 178         default :
 179             break ;
 180     }
 181 }
 182
 183 @implementation wxNSView
 184
 185 - (void)drawRect: (NSRect) rect
 186 {
 187     if ( m_impl )
 188     {
 189         CGContextRef context = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
 190         CGContextSaveGState( context );
 191         CGContextBeginPath( context );
 192         CGContextMoveToPoint(context, 0, 0);
 193         NSRect bounds = [self bounds];
 194         CGContextAddLineToPoint(context, 10, 0);
 195         CGContextMoveToPoint(context, 0, 0);
 196         CGContextAddLineToPoint(context, 0, 10);
 197         CGContextMoveToPoint(context, bounds.size.width, bounds.size.height);
 198         CGContextAddLineToPoint(context, bounds.size.width, bounds.size.height-10);
 199         CGContextMoveToPoint(context, bounds.size.width, bounds.size.height);
 200         CGContextAddLineToPoint(context, bounds.size.width-10, bounds.size.height);
 201         CGContextClosePath( context );
 202         CGContextStrokePath(context);
 203
 204         if ( [ self isFlipped ] == NO )
 205         {
 206             CGContextTranslateCTM( context, 0,  [self bounds].size.height );
 207             CGContextScaleCTM( context, 1, -1 );
 208         }
 209         m_impl->GetWXPeer()->MacSetCGContextRef( context );
 210
 211         wxPaintEvent event;
 212         event.SetTimestamp(0); //  todo
 213         event.SetEventObject(m_impl->GetWXPeer());
 214         m_impl->GetWXPeer()->HandleWindowEvent(event);
 215
 216         CGContextRestoreGState( context );
 217     }
 218 }
 219
 220 -(void)mouseDown:(NSEvent *)event
 221 {
 222     [self handleMouseEvent:event];
 223 }
 224
 225 -(void)rightMouseDown:(NSEvent *)event
 226 {
 227     [self handleMouseEvent:event];
 228 }
 229
 230 -(void)otherMouseDown:(NSEvent *)event
 231 {
 232     [self handleMouseEvent:event];
 233 }
 234
 235 -(void)mouseUp:(NSEvent *)event
 236 {
 237     [self handleMouseEvent:event];
 238 }
 239
 240 -(void)rightMouseUp:(NSEvent *)event
 241 {
 242     [self handleMouseEvent:event];
 243 }
 244
 245 -(void)otherMouseUp:(NSEvent *)event
 246 {
 247     [self handleMouseEvent:event];
 248 }
 249
 250 -(void)handleMouseEvent:(NSEvent *)event
 251 {
 252     NSPoint clickLocation;
 253     clickLocation = [self convertPoint:[event locationInWindow] fromView:nil];
 254     wxPoint pt = wxFromNSPoint( self, clickLocation );
 255     wxMouseEvent wxevent(wxEVT_LEFT_DOWN);
 256     SetupMouseEvent( wxevent , event ) ;
 257     wxevent.m_x = pt.x;
 258     wxevent.m_y = pt.y;
 259     m_impl->GetWXPeer()->HandleWindowEvent(wxevent);
 260 }
 261
 262 - (void)setImplementation: (wxWidgetImpl *) theImplementation
 263 {
 264     m_impl = theImplementation;
 265 }
 266
 267 - (wxWidgetImpl*) implementation
 268 {
 269     return m_impl;
 270 }
 271
 272 - (BOOL) isFlipped
 273 {
 274     return YES;
 275 }
 276
 277 - (BOOL) becomeFirstResponder
 278 {
 279     BOOL r = [super becomeFirstResponder];
 280     if ( r )
 281     {
 282     }
 283     return r;
 284 }
 285
 286 - (BOOL) resignFirstResponder
 287 {
 288     BOOL r = [super resignFirstResponder];
 289     if ( r )
 290     {
 291     }
 292     return r;
 293 }
 294
 295
 296 @end // wxNSView
 297
 298 IMPLEMENT_DYNAMIC_CLASS( wxWidgetCocoaImpl , wxWidgetImpl )
 299
 300 wxWidgetCocoaImpl::wxWidgetCocoaImpl( wxWindowMac* peer , WXWidget w, bool isRootControl ) :
 301     wxWidgetImpl( peer, isRootControl ), m_osxView(w)
 302 {
 303 }
 304
 305 wxWidgetCocoaImpl::wxWidgetCocoaImpl()
 306 {
 307 }
 308
 309 void wxWidgetCocoaImpl::Init()
 310 {
 311     m_osxView = NULL;
 312 }
 313
 314 wxWidgetCocoaImpl::~wxWidgetCocoaImpl()
 315 {
 316     [m_osxView setImplementation:NULL];
 317     [m_osxView release];
 318 }
 319
 320 bool wxWidgetCocoaImpl::IsVisible() const
 321 {
 322     return [m_osxView isHiddenOrHasHiddenAncestor] == NO;
 323 }
 324
 325 void wxWidgetCocoaImpl::Raise()
 326 {
 327 }
 328
 329 void wxWidgetCocoaImpl::Lower()
 330 {
 331 }
 332
 333 void wxWidgetCocoaImpl::ScrollRect( const wxRect *rect, int dx, int dy )
 334 {
 335 }
 336
 337 void wxWidgetCocoaImpl::Move(int x, int y, int width, int height)
 338 {
 339     NSRect r = wxToNSRect( [m_osxView superview], wxRect(x,y,width, height) );
 340     [m_osxView setFrame:r];
 341 }
 342
 343 void wxWidgetCocoaImpl::GetPosition( int &x, int &y ) const
 344 {
 345     wxRect r = wxFromNSRect( [m_osxView superview], [m_osxView frame] );
 346     x = r.GetLeft();
 347     y = r.GetTop();
 348 }
 349
 350 void wxWidgetCocoaImpl::GetSize( int &width, int &height ) const
 351 {
 352     NSRect rect = [m_osxView frame];
 353     width = rect.size.width;
 354     height = rect.size.height;
 355 }
 356
 357 void wxWidgetCocoaImpl::GetContentArea( int&left, int &top, int &width, int &height )
 358 {
 359     left = top = 0;
 360     GetSize( width, height );
 361 }
 362
 363 void wxWidgetCocoaImpl::SetNeedsDisplay( const wxRect* where )
 364 {
 365     if ( where )
 366         [m_osxView setNeedsDisplayInRect:wxToNSRect(m_osxView, *where )];
 367     else
 368         [m_osxView setNeedsDisplay:YES];
 369 }
 370
 371 bool wxWidgetCocoaImpl::GetNeedsDisplay() const
 372 {
 373     return [m_osxView needsDisplay];
 374 }
 375
 376 void wxWidgetCocoaImpl::CanFocus() const
 377 {
 378     return [m_osxView acceptsFirstResponder] == YES;
 379 }
 380
 381 bool wxWidgetCocoaImpl::HasFocus() const
 382 {
 383     return [m_osxView isFirstResponder] == YES;
 384 }
 385
 386 bool wxWidgetCocoaImpl::SetFocus()
 387 {
 388     [m_osxView makeKeyWindow] ;
 389 }
 390
 391
 392 void wxWidgetCocoaImpl::RemoveFromParent()
 393 {
 394     [m_osxView removeFromSuperview];
 395 }
 396
 397 void wxWidgetCocoaImpl::Embed( wxWidgetImpl *parent )
 398 {
 399     NSView* container = parent->GetWXWidget() ;
 400     wxASSERT_MSG( container != NULL , wxT("No valid mac container control") ) ;
 401     [container addSubview:m_osxView];
 402 }
 403
 404
 405 //
 406 // Factory methods
 407 //
 408
 409 wxWidgetImpl* wxWidgetImpl::CreateUserPane( wxWindowMac* wxpeer, const wxPoint& pos, const wxSize& size,
 410                             long style, long extraStyle, const wxString& name)
 411 {
 412     NSView* sv = (wxpeer->GetParent()->GetHandle() );
 413
 414     NSRect r = wxToNSRect( sv, wxRect( pos, size) );
 415     // Rect bounds = wxMacGetBoundsForControl( wxpeer, pos , size ) ;
 416     wxNSView* v = [[wxNSView alloc] initWithFrame:r];
 417     [sv addSubview:v];
 418     wxWidgetCocoaImpl* c = new wxWidgetCocoaImpl( wxpeer, v );
 419     [v setImplementation:c];
 420     return c;
 421 }
 422
 423 wxWidgetImpl* wxWidgetImpl::CreateContentView( wxNonOwnedWindow* now )
 424 {
 425     NSWindow* tlw = now->GetWXWindow();
 426     wxNSView* v = [[wxNSView alloc] initWithFrame:[[tlw contentView] frame]];
 427     wxWidgetCocoaImpl* c = new wxWidgetCocoaImpl( now, v, true );
 428     [v setImplementation:c];
 429     [tlw setContentView:v];
 430     return c;
 431 }
 432
 433
 434 #endif