src/cocoa/NSView.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        cocoa/NSView.mm
   3 // Purpose:     wxCocoaNSView
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/02/15
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWidgets licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21 #ifndef WX_PRECOMP
  22     #include "wx/window.h"
  23 #endif // WX_PRECOMP
  24
  25 #include "wx/cocoa/ObjcPose.h"
  26 #include "wx/cocoa/NSView.h"
  27
  28 #import <Foundation/NSNotification.h>
  29 #import <Foundation/NSString.h>
  30 #include "wx/cocoa/objc/NSView.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 @end // implementation WXNSView
 170
 171 @interface wxNSViewNotificationObserver : NSObject
 172 {
 173 }
 174
 175 // FIXME: Initializing like this is a really bad idea.  If for some reason
 176 // we ever require posing as an NSObject we won't be able to since an instance
 177 // will have already been created here.  Of course, catching messages for
 178 // NSObject seems like a LOT of overkill, so I doubt we ever will anyway!
 179 void *wxCocoaNSView::sm_cocoaObserver = [[wxNSViewNotificationObserver alloc] init];
 180
 181 - (void)notificationFrameChanged: (NSNotification *)notification;
 182 @end // interface wxNSViewNotificationObserver
 183
 184 @implementation wxNSViewNotificationObserver : NSObject
 185
 186 - (void)notificationFrameChanged: (NSNotification *)notification;
 187 {
 188     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa([notification object]);
 189     wxCHECK_RET(win,wxT("notificationFrameChanged received but no wxWindow exists"));
 190     win->Cocoa_FrameChanged();
 191 }
 192
 193 @end // implementation wxNSViewNotificationObserver
 194