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 NSRect wxOSXGetFrameForControl( wxWindowMac* window , const wxPoint& pos , const wxSize &size , bool adjustForOrigin )
  21 {
  22     int x, y, w, h ;
  23
  24     window->MacGetBoundsForControl( pos , size , x , y, w, h , adjustForOrigin ) ;
  25     wxRect bounds(x,y,w,h);
  26     NSView* sv = (window->GetParent()->GetHandle() );
  27
  28     return wxToNSRect( sv, bounds );
  29 }
  30
  31 @interface wxNSView : NSView
  32 {
  33     wxWidgetImpl* impl;
  34 }
  35
  36 - (void)drawRect: (NSRect) rect;
  37
  38 -(void)mouseDown:(NSEvent *)event ;
  39 -(void)rightMouseDown:(NSEvent *)event ;
  40 -(void)otherMouseDown:(NSEvent *)event ;
  41 -(void)mouseUp:(NSEvent *)event ;
  42 -(void)rightMouseUp:(NSEvent *)event ;
  43 -(void)otherMouseUp:(NSEvent *)event ;
  44 -(void)handleMouseEvent:(NSEvent *)event;
  45
  46 - (void)setImplementation: (wxWidgetImpl *) theImplementation;
  47 - (wxWidgetImpl*) implementation;
  48 - (BOOL) isFlipped;
  49 - (BOOL) becomeFirstResponder;
  50 - (BOOL) resignFirstResponder;
  51
  52 @end // wxNSView
  53
  54 void SetupMouseEvent( wxMouseEvent &wxevent , NSEvent * nsEvent )
  55 {
  56     UInt32 modifiers = [nsEvent modifierFlags] ;
  57     wxPoint screenMouseLocation = wxFromNSPoint( NULL, [nsEvent locationInWindow]);
  58
  59     // these parameters are not given for all events
  60     UInt32 button = [nsEvent buttonNumber];
  61     UInt32 clickCount = [nsEvent clickCount];
  62     UInt32 mouseChord = 0; // TODO does this exist for cocoa
  63
  64     wxevent.m_x = screenMouseLocation.x;
  65     wxevent.m_y = screenMouseLocation.y;
  66     wxevent.m_shiftDown = modifiers & NSShiftKeyMask;
  67     wxevent.m_controlDown = modifiers & NSControlKeyMask;
  68     wxevent.m_altDown = modifiers & NSAlternateKeyMask;
  69     wxevent.m_metaDown = modifiers & NSCommandKeyMask;
  70     wxevent.m_clickCount = clickCount;
  71     wxevent.SetTimestamp( [nsEvent timestamp] * 1000.0 ) ;
  72 /*
  73     // a control click is interpreted as a right click
  74     bool thisButtonIsFakeRight = false ;
  75     if ( button == kEventMouseButtonPrimary && (modifiers & controlKey) )
  76     {
  77         button = kEventMouseButtonSecondary ;
  78         thisButtonIsFakeRight = true ;
  79     }
  80
  81     // otherwise we report double clicks by connecting a left click with a ctrl-left click
  82     if ( clickCount > 1 && button != g_lastButton )
  83         clickCount = 1 ;
  84     // we must make sure that our synthetic 'right' button corresponds in
  85     // mouse down, moved and mouse up, and does not deliver a right down and left up
  86
  87     if ( cEvent.GetKind() == kEventMouseDown )
  88     {
  89         g_lastButton = button ;
  90         g_lastButtonWasFakeRight = thisButtonIsFakeRight ;
  91     }
  92
  93     if ( button == 0 )
  94     {
  95         g_lastButton = 0 ;
  96         g_lastButtonWasFakeRight = false ;
  97     }
  98     else if ( g_lastButton == kEventMouseButtonSecondary && g_lastButtonWasFakeRight )
  99         button = g_lastButton ;
 100
 101     // Adjust the chord mask to remove the primary button and add the
 102     // secondary button.  It is possible that the secondary button is
 103     // already pressed, e.g. on a mouse connected to a laptop, but this
 104     // possibility is ignored here:
 105     if( thisButtonIsFakeRight && ( mouseChord & 1U ) )
 106         mouseChord = ((mouseChord & ~1U) | 2U);
 107
 108     if(mouseChord & 1U)
 109                 wxevent.m_leftDown = true ;
 110     if(mouseChord & 2U)
 111                 wxevent.m_rightDown = true ;
 112     if(mouseChord & 4U)
 113                 wxevent.m_middleDown = true ;
 114
 115 */
 116     // translate into wx types
 117     int eventType = [nsEvent type];
 118     switch (eventType)
 119     {
 120         case NSLeftMouseDown :
 121         case NSRightMouseDown :
 122         case NSOtherMouseDown :
 123             switch ( button )
 124             {
 125                 case 0 :
 126                     wxevent.SetEventType( clickCount > 1 ? wxEVT_LEFT_DCLICK : wxEVT_LEFT_DOWN )  ;
 127                     break ;
 128
 129                 case 1 :
 130                     wxevent.SetEventType( clickCount > 1 ? wxEVT_RIGHT_DCLICK : wxEVT_RIGHT_DOWN ) ;
 131                     break ;
 132
 133                 case 2 :
 134                     wxevent.SetEventType( clickCount > 1 ? wxEVT_MIDDLE_DCLICK : wxEVT_MIDDLE_DOWN ) ;
 135                     break ;
 136
 137                 default:
 138                     break ;
 139             }
 140             break ;
 141
 142         case NSLeftMouseUp :
 143         case NSRightMouseUp :
 144         case NSOtherMouseUp :
 145             switch ( button )
 146             {
 147                 case 0 :
 148                     wxevent.SetEventType( wxEVT_LEFT_UP )  ;
 149                     break ;
 150
 151                 case 1 :
 152                     wxevent.SetEventType( wxEVT_RIGHT_UP ) ;
 153                     break ;
 154
 155                 case 2 :
 156                     wxevent.SetEventType( wxEVT_MIDDLE_UP ) ;
 157                     break ;
 158
 159                 default:
 160                     break ;
 161             }
 162             break ;
 163
 164      case NSScrollWheel :
 165         {
 166             wxevent.SetEventType( wxEVT_MOUSEWHEEL ) ;
 167             /*
 168             EventMouseWheelAxis axis = cEvent.GetParameter<EventMouseWheelAxis>(kEventParamMouseWheelAxis, typeMouseWheelAxis) ;
 169             SInt32 delta = cEvent.GetParameter<SInt32>(kEventParamMouseWheelDelta, typeSInt32) ;
 170             */
 171             wxevent.m_wheelRotation = 10; // delta;
 172             wxevent.m_wheelDelta = 1;
 173             wxevent.m_linesPerAction = 1;
 174             if ( 0 /* axis == kEventMouseWheelAxisX*/ )
 175                 wxevent.m_wheelAxis = 1;
 176         }
 177         break ;
 178
 179         case NSMouseEntered :
 180         case NSMouseExited :
 181         case NSLeftMouseDragged :
 182         case NSRightMouseDragged :
 183         case NSOtherMouseDragged :
 184         case NSMouseMoved :
 185             wxevent.SetEventType( wxEVT_MOTION ) ;
 186             break;
 187         default :
 188             break ;
 189     }
 190 }
 191
 192 @implementation wxNSView
 193
 194 #define OSX_DEBUG_DRAWING 0
 195
 196 - (void)drawRect: (NSRect) rect
 197 {
 198     if ( impl )
 199     {
 200         CGContextRef context = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
 201         CGContextSaveGState( context );
 202 #if OSX_DEBUG_DRAWING
 203         CGContextBeginPath( context );
 204         CGContextMoveToPoint(context, 0, 0);
 205         NSRect bounds = [self bounds];
 206         CGContextAddLineToPoint(context, 10, 0);
 207         CGContextMoveToPoint(context, 0, 0);
 208         CGContextAddLineToPoint(context, 0, 10);
 209         CGContextMoveToPoint(context, bounds.size.width, bounds.size.height);
 210         CGContextAddLineToPoint(context, bounds.size.width, bounds.size.height-10);
 211         CGContextMoveToPoint(context, bounds.size.width, bounds.size.height);
 212         CGContextAddLineToPoint(context, bounds.size.width-10, bounds.size.height);
 213         CGContextClosePath( context );
 214         CGContextStrokePath(context);
 215 #endif
 216
 217         if ( [ self isFlipped ] == NO )
 218         {
 219             CGContextTranslateCTM( context, 0,  [self bounds].size.height );
 220             CGContextScaleCTM( context, 1, -1 );
 221         }
 222
 223         wxRegion updateRgn;
 224         const NSRect *rects;
 225         int count ;
 226
 227         [self getRectsBeingDrawn:&rects count:&count];
 228         for ( int i = 0 ; i < count ; ++i )
 229         {
 230             updateRgn.Union(wxFromNSRect(self, rects[i]) );
 231         }
 232
 233         wxWindow* wxpeer = impl->GetWXPeer();
 234         wxpeer->GetUpdateRegion() = updateRgn;
 235         wxpeer->MacSetCGContextRef( context );
 236
 237         wxPaintEvent event;
 238         event.SetTimestamp(0); //  todo
 239         event.SetEventObject(wxpeer);
 240         wxpeer->HandleWindowEvent(event);
 241
 242         CGContextRestoreGState( context );
 243     }
 244 }
 245
 246 -(void)mouseDown:(NSEvent *)event
 247 {
 248     [self handleMouseEvent:event];
 249 }
 250
 251 -(void)rightMouseDown:(NSEvent *)event
 252 {
 253     [self handleMouseEvent:event];
 254 }
 255
 256 -(void)otherMouseDown:(NSEvent *)event
 257 {
 258     [self handleMouseEvent:event];
 259 }
 260
 261 -(void)mouseUp:(NSEvent *)event
 262 {
 263     [self handleMouseEvent:event];
 264 }
 265
 266 -(void)rightMouseUp:(NSEvent *)event
 267 {
 268     [self handleMouseEvent:event];
 269 }
 270
 271 -(void)otherMouseUp:(NSEvent *)event
 272 {
 273     [self handleMouseEvent:event];
 274 }
 275
 276 -(void)handleMouseEvent:(NSEvent *)event
 277 {
 278     NSPoint clickLocation;
 279     clickLocation = [self convertPoint:[event locationInWindow] fromView:nil];
 280     wxPoint pt = wxFromNSPoint( self, clickLocation );
 281     wxMouseEvent wxevent(wxEVT_LEFT_DOWN);
 282     SetupMouseEvent( wxevent , event ) ;
 283     wxevent.m_x = pt.x;
 284     wxevent.m_y = pt.y;
 285     impl->GetWXPeer()->HandleWindowEvent(wxevent);
 286 }
 287
 288 - (void)setImplementation: (wxWidgetImpl *) theImplementation
 289 {
 290     impl = theImplementation;
 291 }
 292
 293 - (wxWidgetImpl*) implementation
 294 {
 295     return impl;
 296 }
 297
 298 - (BOOL) isFlipped
 299 {
 300     return YES;
 301 }
 302
 303 - (BOOL) becomeFirstResponder
 304 {
 305     BOOL r = [super becomeFirstResponder];
 306     if ( r )
 307     {
 308     }
 309     return r;
 310 }
 311
 312 - (BOOL) resignFirstResponder
 313 {
 314     BOOL r = [super resignFirstResponder];
 315     if ( r )
 316     {
 317     }
 318     return r;
 319 }
 320
 321
 322 @end // wxNSView
 323
 324 IMPLEMENT_DYNAMIC_CLASS( wxWidgetCocoaImpl , wxWidgetImpl )
 325
 326 wxWidgetCocoaImpl::wxWidgetCocoaImpl( wxWindowMac* peer , WXWidget w, bool isRootControl ) :
 327     wxWidgetImpl( peer, isRootControl ), m_osxView(w)
 328 {
 329 }
 330
 331 wxWidgetCocoaImpl::wxWidgetCocoaImpl()
 332 {
 333 }
 334
 335 void wxWidgetCocoaImpl::Init()
 336 {
 337     m_osxView = NULL;
 338 }
 339
 340 wxWidgetCocoaImpl::~wxWidgetCocoaImpl()
 341 {
 342     if ( [m_osxView respondsToSelector:@selector(setImplementation:) ] )
 343         [m_osxView setImplementation:NULL];
 344     if ( !IsRootControl() )
 345     {
 346         NSView *sv = [m_osxView superview];
 347         if ( sv != nil )
 348             [m_osxView removeFromSuperview];
 349     }
 350     [m_osxView release];
 351 }
 352
 353 bool wxWidgetCocoaImpl::IsVisible() const
 354 {
 355     return [m_osxView isHiddenOrHasHiddenAncestor] == NO;
 356 }
 357
 358 void wxWidgetCocoaImpl::SetVisibility( bool visible )
 359 {
 360     [m_osxView setHidden:(visible ? NO:YES)];
 361 }
 362
 363 void wxWidgetCocoaImpl::Raise()
 364 {
 365 }
 366
 367 void wxWidgetCocoaImpl::Lower()
 368 {
 369 }
 370
 371 void wxWidgetCocoaImpl::ScrollRect( const wxRect *rect, int dx, int dy )
 372 {
 373 }
 374
 375 void wxWidgetCocoaImpl::Move(int x, int y, int width, int height)
 376 {
 377     NSRect r = wxToNSRect( [m_osxView superview], wxRect(x,y,width, height) );
 378     [m_osxView setFrame:r];
 379 }
 380
 381 void wxWidgetCocoaImpl::GetPosition( int &x, int &y ) const
 382 {
 383     wxRect r = wxFromNSRect( [m_osxView superview], [m_osxView frame] );
 384     x = r.GetLeft();
 385     y = r.GetTop();
 386 }
 387
 388 void wxWidgetCocoaImpl::GetSize( int &width, int &height ) const
 389 {
 390     NSRect rect = [m_osxView frame];
 391     width = rect.size.width;
 392     height = rect.size.height;
 393 }
 394
 395 void wxWidgetCocoaImpl::GetContentArea( int&left, int &top, int &width, int &height ) const
 396 {
 397     left = top = 0;
 398     GetSize( width, height );
 399 }
 400
 401 void wxWidgetCocoaImpl::SetNeedsDisplay( const wxRect* where )
 402 {
 403     if ( where )
 404         [m_osxView setNeedsDisplayInRect:wxToNSRect(m_osxView, *where )];
 405     else
 406         [m_osxView setNeedsDisplay:YES];
 407 }
 408
 409 bool wxWidgetCocoaImpl::GetNeedsDisplay() const
 410 {
 411     return [m_osxView needsDisplay];
 412 }
 413
 414 bool wxWidgetCocoaImpl::CanFocus() const
 415 {
 416     return [m_osxView canBecomeKeyView] == YES;
 417 }
 418
 419 bool wxWidgetCocoaImpl::HasFocus() const
 420 {
 421     return ( [[m_osxView window] firstResponder] == m_osxView );
 422 }
 423
 424 bool wxWidgetCocoaImpl::SetFocus()
 425 {
 426     if ( [m_osxView canBecomeKeyView] == NO )
 427         return false;
 428
 429     [[m_osxView window] makeFirstResponder: m_osxView] ;
 430     return true;
 431 }
 432
 433
 434 void wxWidgetCocoaImpl::RemoveFromParent()
 435 {
 436     [m_osxView removeFromSuperview];
 437 }
 438
 439 void wxWidgetCocoaImpl::Embed( wxWidgetImpl *parent )
 440 {
 441     NSView* container = parent->GetWXWidget() ;
 442     wxASSERT_MSG( container != NULL , wxT("No valid mac container control") ) ;
 443     [container addSubview:m_osxView];
 444 }
 445
 446 void wxWidgetCocoaImpl::SetBackgroundColour( const wxColour &WXUNUSED(col) )
 447 {
 448     // m_osxView.backgroundColor = [[UIColor alloc] initWithCGColor:col.GetCGColor()];
 449 }
 450
 451 void wxWidgetCocoaImpl::SetLabel( const wxString& title, wxFontEncoding encoding )
 452 {
 453     if ( [m_osxView respondsToSelector:@selector(setTitle:) ] )
 454     {
 455         wxCFStringRef cf( title , m_wxPeer->GetFont().GetEncoding() );
 456         [m_osxView setTitle:cf.AsNSString()];
 457     }
 458 }
 459
 460
 461 void  wxWidgetImpl::Convert( wxPoint *pt , wxWidgetImpl *from , wxWidgetImpl *to )
 462 {
 463     NSPoint p = wxToNSPoint( from->GetWXWidget(), *pt );
 464     p = [from->GetWXWidget() convertPoint:p toView:to->GetWXWidget() ];
 465     *pt = wxFromNSPoint( to->GetWXWidget(), p );
 466 }
 467
 468 wxInt32 wxWidgetCocoaImpl::GetValue() const
 469 {
 470     return [(NSControl*)m_osxView intValue];
 471 }
 472
 473 void wxWidgetCocoaImpl::SetValue( wxInt32 v )
 474 {
 475     if (  [m_osxView respondsToSelector:@selector(setIntValue:)] )
 476     {
 477         [m_osxView setIntValue:v];
 478     }
 479     else if (  [m_osxView respondsToSelector:@selector(setFloatValue:)] )
 480     {
 481         [m_osxView setFloatValue:(double)v];
 482     }
 483     else if (  [m_osxView respondsToSelector:@selector(setDoubleValue:)] )
 484     {
 485         [m_osxView setDoubleValue:(double)v];
 486     }
 487 }
 488
 489 void wxWidgetCocoaImpl::SetMinimum( wxInt32 v )
 490 {
 491     if (  [m_osxView respondsToSelector:@selector(setMinValue:)] )
 492     {
 493         [m_osxView setMinValue:(double)v];
 494     }
 495 }
 496
 497 void wxWidgetCocoaImpl::SetMaximum( wxInt32 v )
 498 {
 499     if (  [m_osxView respondsToSelector:@selector(setMaxValue:)] )
 500     {
 501         [m_osxView setMaxValue:(double)v];
 502     }
 503 }
 504
 505 void wxWidgetCocoaImpl::SetBitmap( const wxBitmap& bitmap )
 506 {
 507     if (  [m_osxView respondsToSelector:@selector(setImage:)] )
 508     {
 509         [m_osxView setImage:bitmap.GetNSImage()];
 510     }
 511 }
 512
 513 void wxWidgetCocoaImpl::SetupTabs( const wxNotebook& notebook)
 514 {
 515     // implementation in subclass
 516 }
 517
 518 void wxWidgetCocoaImpl::GetBestRect( wxRect *r ) const
 519 {
 520     r->x = r->y = r->width = r->height = 0;
 521 //    if (  [m_osxView isKindOfClass:[NSControl class]] )
 522     if (  [m_osxView respondsToSelector:@selector(sizeToFit)] )
 523     {
 524         NSRect former = [m_osxView frame];
 525         [m_osxView sizeToFit];
 526         NSRect best = [m_osxView frame];
 527         [m_osxView setFrame:former];
 528         r->width = best.size.width;
 529         r->height = best.size.height;
 530     }
 531 }
 532
 533 bool wxWidgetCocoaImpl::IsEnabled() const
 534 {
 535     if ( [m_osxView respondsToSelector:@selector(isEnabled) ] )
 536         return [m_osxView isEnabled];
 537     return true;
 538 }
 539
 540 void wxWidgetCocoaImpl::Enable( bool enable )
 541 {
 542     if ( [m_osxView respondsToSelector:@selector(setEnabled:) ] )
 543         [m_osxView setEnabled:enable];
 544 }
 545
 546 void wxWidgetCocoaImpl::PulseGauge()
 547 {
 548 }
 549
 550 void wxWidgetCocoaImpl::SetScrollThumb( wxInt32 val, wxInt32 view )
 551 {
 552 }
 553
 554 void wxWidgetCocoaImpl::SetControlSize( wxWindowVariant variant )
 555 {
 556     NSControlSize size = NSRegularControlSize;
 557
 558     switch ( variant )
 559     {
 560         case wxWINDOW_VARIANT_NORMAL :
 561             size = NSRegularControlSize;
 562             break ;
 563
 564         case wxWINDOW_VARIANT_SMALL :
 565             size = NSSmallControlSize;
 566             break ;
 567
 568         case wxWINDOW_VARIANT_MINI :
 569             size = NSMiniControlSize;
 570             break ;
 571
 572         case wxWINDOW_VARIANT_LARGE :
 573             size = NSRegularControlSize;
 574             break ;
 575
 576         default:
 577             wxFAIL_MSG(_T("unexpected window variant"));
 578             break ;
 579     }
 580     if ( [m_osxView respondsToSelector:@selector(setControlSize:)] )
 581         [m_osxView setControlSize:size];
 582 }
 583
 584 //
 585 // Factory methods
 586 //
 587
 588 wxWidgetImpl* wxWidgetImpl::CreateUserPane( wxWindowMac* wxpeer, wxWindowMac* parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
 589                             long style, long extraStyle)
 590 {
 591     NSView* sv = (wxpeer->GetParent()->GetHandle() );
 592
 593     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 594     wxNSView* v = [[wxNSView alloc] initWithFrame:r];
 595     [sv addSubview:v];
 596     wxWidgetCocoaImpl* c = new wxWidgetCocoaImpl( wxpeer, v );
 597     [v setImplementation:c];
 598     return c;
 599 }
 600
 601 wxWidgetImpl* wxWidgetImpl::CreateContentView( wxNonOwnedWindow* now )
 602 {
 603     NSWindow* tlw = now->GetWXWindow();
 604     wxNSView* v = [[wxNSView alloc] initWithFrame:[[tlw contentView] frame]];
 605     wxWidgetCocoaImpl* c = new wxWidgetCocoaImpl( now, v, true );
 606     [v setImplementation:c];
 607     [tlw setContentView:v];
 608     return c;
 609 }