src/cocoa/NSView.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/NSView.mm
   3 // Purpose:     wxCocoaNSView
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/02/15
   7 // Copyright:   (c) 2003 David Elliott
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #include "wx/wxprec.h"
  20 #ifndef WX_PRECOMP
  21     #include "wx/window.h"
  22 #endif // WX_PRECOMP
  23
  24 #include "wx/cocoa/objc/objc_uniquifying.h"
  25 #include "wx/cocoa/NSView.h"
  26
  27 #import <Foundation/NSNotification.h>
  28 #import <Foundation/NSString.h>
  29 #include "wx/cocoa/objc/NSView.h"
  30 #include "wx/cocoa/ObjcRef.h"
  31
  32 // ----------------------------------------------------------------------------
  33 // globals
  34 // ----------------------------------------------------------------------------
  35 WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(NSView)
  36
  37 void wxCocoaNSView::AssociateNSView(WX_NSView cocoaNSView)
  38 {
  39     if(cocoaNSView)
  40     {
  41         sm_cocoaHash.insert(wxCocoaNSViewHash::value_type(cocoaNSView,this));
  42         [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(notificationFrameChanged:) name:@"NSViewFrameDidChangeNotification" object:cocoaNSView];
  43         [cocoaNSView setPostsFrameChangedNotifications: YES];
  44     }
  45 }
  46
  47 void wxCocoaNSView::DisassociateNSView(WX_NSView cocoaNSView)
  48 {
  49     if(cocoaNSView)
  50     {
  51         sm_cocoaHash.erase(cocoaNSView);
  52         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:@"NSViewFrameDidChangeNotification" object:cocoaNSView];
  53     }
  54 }
  55
  56 // ============================================================================
  57 // @class WXNSView
  58 // ============================================================================
  59
  60 @implementation WXNSView : NSView
  61
  62 - (BOOL)acceptsFirstMouse:(NSEvent *)theEvent
  63 {
  64     bool acceptsFirstMouse = false;
  65     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  66     if(!win || !win->Cocoa_acceptsFirstMouse(acceptsFirstMouse, theEvent))
  67         acceptsFirstMouse = [super acceptsFirstMouse:theEvent];
  68     return acceptsFirstMouse;
  69 }
  70
  71 - (void)drawRect: (NSRect)rect
  72 {
  73     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  74     if( !win || !win->Cocoa_drawRect(rect) )
  75         [super drawRect:rect];
  76 }
  77
  78 - (void)mouseDown:(NSEvent *)theEvent
  79 {
  80     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  81     if( !win || !win->Cocoa_mouseDown(theEvent) )
  82         [super mouseDown:theEvent];
  83 }
  84
  85 - (void)mouseDragged:(NSEvent *)theEvent
  86 {
  87     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  88     if( !win || !win->Cocoa_mouseDragged(theEvent) )
  89         [super mouseDragged:theEvent];
  90 }
  91
  92 - (void)mouseUp:(NSEvent *)theEvent
  93 {
  94     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  95     if( !win || !win->Cocoa_mouseUp(theEvent) )
  96         [super mouseUp:theEvent];
  97 }
  98
  99 - (void)mouseMoved:(NSEvent *)theEvent
 100 {
 101     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 102     if( !win || !win->Cocoa_mouseMoved(theEvent) )
 103         [super mouseMoved:theEvent];
 104 }
 105
 106 - (void)mouseEntered:(NSEvent *)theEvent
 107 {
 108     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 109     if( !win || !win->Cocoa_mouseEntered(theEvent) )
 110         [super mouseEntered:theEvent];
 111 }
 112
 113 - (void)mouseExited:(NSEvent *)theEvent
 114 {
 115     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 116     if( !win || !win->Cocoa_mouseExited(theEvent) )
 117         [super mouseExited:theEvent];
 118 }
 119
 120 - (void)rightMouseDown:(NSEvent *)theEvent
 121 {
 122     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 123     if( !win || !win->Cocoa_rightMouseDown(theEvent) )
 124         [super rightMouseDown:theEvent];
 125 }
 126
 127 - (void)rightMouseDragged:(NSEvent *)theEvent
 128 {
 129     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 130     if( !win || !win->Cocoa_rightMouseDragged(theEvent) )
 131         [super rightMouseDragged:theEvent];
 132 }
 133
 134 - (void)rightMouseUp:(NSEvent *)theEvent
 135 {
 136     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 137     if( !win || !win->Cocoa_rightMouseUp(theEvent) )
 138         [super rightMouseUp:theEvent];
 139 }
 140
 141 - (void)otherMouseDown:(NSEvent *)theEvent
 142 {
 143     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 144     if( !win || !win->Cocoa_otherMouseDown(theEvent) )
 145         [super otherMouseDown:theEvent];
 146 }
 147
 148 - (void)otherMouseDragged:(NSEvent *)theEvent
 149 {
 150     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 151     if( !win || !win->Cocoa_otherMouseDragged(theEvent) )
 152         [super otherMouseDragged:theEvent];
 153 }
 154
 155 - (void)otherMouseUp:(NSEvent *)theEvent
 156 {
 157     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 158     if( !win || !win->Cocoa_otherMouseUp(theEvent) )
 159         [super otherMouseUp:theEvent];
 160 }
 161
 162 - (void)resetCursorRects
 163 {
 164     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 165     if( !win || !win->Cocoa_resetCursorRects() )
 166         [super resetCursorRects];
 167 }
 168
 169 - (void)viewDidMoveToWindow
 170 {
 171     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 172     if( !win || !win->Cocoa_viewDidMoveToWindow() )
 173         [super viewDidMoveToWindow];
 174 }
 175
 176 - (void)viewWillMoveToWindow:(NSWindow *)newWindow
 177 {
 178     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 179     if( !win || !win->Cocoa_viewWillMoveToWindow(newWindow) )
 180         [super viewWillMoveToWindow:newWindow];
 181 }
 182
 183 @end // implementation WXNSView
 184 WX_IMPLEMENT_GET_OBJC_CLASS(WXNSView,NSView)
 185
 186 // ============================================================================
 187 // @class wxNSViewNotificationObserver
 188 // ============================================================================
 189
 190 @interface wxNSViewNotificationObserver : NSObject
 191 {
 192 }
 193
 194 - (void)notificationFrameChanged: (NSNotification *)notification;
 195 - (void)synthesizeMouseMovedForView: (NSView *)theView;
 196 @end // interface wxNSViewNotificationObserver
 197 WX_DECLARE_GET_OBJC_CLASS(wxNSViewNotificationObserver,NSObject)
 198
 199 @implementation wxNSViewNotificationObserver : NSObject
 200
 201 - (void)notificationFrameChanged: (NSNotification *)notification;
 202 {
 203     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa([notification object]);
 204     wxCHECK_RET(win,wxT("notificationFrameChanged received but no wxWindow exists"));
 205     win->Cocoa_FrameChanged();
 206 }
 207
 208 - (void)synthesizeMouseMovedForView: (NSView *)theView
 209 {
 210     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(theView);
 211     wxCHECK_RET(win,wxT("synthesizeMouseMovedForView received but no wxWindow exists"));
 212     win->Cocoa_synthesizeMouseMoved();
 213 }
 214
 215 @end // implementation wxNSViewNotificationObserver
 216 WX_IMPLEMENT_GET_OBJC_CLASS(wxNSViewNotificationObserver,NSObject)
 217
 218 // New CF-retained observer (this should have been using wxObjcAutoRefFromAlloc to begin with)
 219 wxObjcAutoRefFromAlloc<wxNSViewNotificationObserver*> s_cocoaNSViewObserver([[WX_GET_OBJC_CLASS(wxNSViewNotificationObserver) alloc] init]);
 220 // For compatibility with old code
 221 id wxCocoaNSView::sm_cocoaObserver = s_cocoaNSViewObserver;