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:     wxWindows license
  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/NSView.h"
  26
  27 #import <Appkit/NSView.h>
  28 #import <Foundation/NSNotification.h>
  29 #import <Foundation/NSString.h>
  30
  31 // ----------------------------------------------------------------------------
  32 // globals
  33 // ----------------------------------------------------------------------------
  34 WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(NSView)
  35
  36 void wxCocoaNSView::AssociateNSView(WX_NSView cocoaNSView)
  37 {
  38     sm_cocoaHash.insert(wxCocoaNSViewHash::value_type(cocoaNSView,this));
  39     [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(notificationFrameChanged:) name:@"NSViewFrameDidChangeNotification" object:cocoaNSView];
  40     [cocoaNSView setPostsFrameChangedNotifications: YES];
  41 }
  42
  43 void wxCocoaNSView::DisassociateNSView(WX_NSView cocoaNSView)
  44 {
  45     sm_cocoaHash.erase(cocoaNSView);
  46     [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:@"NSViewFrameDidChangeNotification" object:cocoaNSView];
  47 }
  48
  49 // ============================================================================
  50 // @class wxPoserNSView
  51 // ============================================================================
  52 @interface wxPoserNSView : NSView
  53 {
  54 }
  55
  56 - (void)drawRect: (NSRect)rect;
  57 - (void)mouseDown:(NSEvent *)theEvent;
  58 - (void)mouseDragged:(NSEvent *)theEvent;
  59 - (void)mouseUp:(NSEvent *)theEvent;
  60 - (void)mouseMoved:(NSEvent *)theEvent;
  61 - (void)mouseEntered:(NSEvent *)theEvent;
  62 - (void)mouseExited:(NSEvent *)theEvent;
  63 - (void)rightMouseDown:(NSEvent *)theEvent;
  64 - (void)rightMouseDragged:(NSEvent *)theEvent;
  65 - (void)rightMouseUp:(NSEvent *)theEvent;
  66 - (void)otherMouseDown:(NSEvent *)theEvent;
  67 - (void)otherMouseDragged:(NSEvent *)theEvent;
  68 - (void)otherMouseUp:(NSEvent *)theEvent;
  69 @end // wxPoserNSView
  70
  71 WX_IMPLEMENT_POSER(wxPoserNSView);
  72 @implementation wxPoserNSView : NSView
  73
  74 - (void)drawRect: (NSRect)rect
  75 {
  76     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  77     if( !win || !win->Cocoa_drawRect(rect) )
  78         [super drawRect:rect];
  79 }
  80
  81 - (void)mouseDown:(NSEvent *)theEvent
  82 {
  83     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  84     if( !win || !win->Cocoa_mouseDown(theEvent) )
  85         [super mouseDown:theEvent];
  86 }
  87
  88 - (void)mouseDragged:(NSEvent *)theEvent
  89 {
  90     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  91     if( !win || !win->Cocoa_mouseDragged(theEvent) )
  92         [super mouseDragged:theEvent];
  93 }
  94
  95 - (void)mouseUp:(NSEvent *)theEvent
  96 {
  97     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  98     if( !win || !win->Cocoa_mouseUp(theEvent) )
  99         [super mouseUp:theEvent];
 100 }
 101
 102 - (void)mouseMoved:(NSEvent *)theEvent
 103 {
 104     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 105     if( !win || !win->Cocoa_mouseMoved(theEvent) )
 106         [super mouseMoved:theEvent];
 107 }
 108
 109 - (void)mouseEntered:(NSEvent *)theEvent
 110 {
 111     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 112     if( !win || !win->Cocoa_mouseEntered(theEvent) )
 113         [super mouseEntered:theEvent];
 114 }
 115
 116 - (void)mouseExited:(NSEvent *)theEvent
 117 {
 118     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 119     if( !win || !win->Cocoa_mouseExited(theEvent) )
 120         [super mouseExited:theEvent];
 121 }
 122
 123 - (void)rightMouseDown:(NSEvent *)theEvent
 124 {
 125     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 126     if( !win || !win->Cocoa_rightMouseDown(theEvent) )
 127         [super rightMouseDown:theEvent];
 128 }
 129
 130 - (void)rightMouseDragged:(NSEvent *)theEvent
 131 {
 132     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 133     if( !win || !win->Cocoa_rightMouseDragged(theEvent) )
 134         [super rightMouseDragged:theEvent];
 135 }
 136
 137 - (void)rightMouseUp:(NSEvent *)theEvent
 138 {
 139     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 140     if( !win || !win->Cocoa_rightMouseUp(theEvent) )
 141         [super rightMouseUp:theEvent];
 142 }
 143
 144 - (void)otherMouseDown:(NSEvent *)theEvent
 145 {
 146     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 147     if( !win || !win->Cocoa_otherMouseDown(theEvent) )
 148         [super otherMouseDown:theEvent];
 149 }
 150
 151 - (void)otherMouseDragged:(NSEvent *)theEvent
 152 {
 153     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 154     if( !win || !win->Cocoa_otherMouseDragged(theEvent) )
 155         [super otherMouseDragged:theEvent];
 156 }
 157
 158 - (void)otherMouseUp:(NSEvent *)theEvent
 159 {
 160     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 161     if( !win || !win->Cocoa_otherMouseUp(theEvent) )
 162         [super otherMouseUp:theEvent];
 163 }
 164
 165 @end // implementation wxPoserNSView
 166
 167 @interface wxNSViewNotificationObserver : NSObject
 168 {
 169 }
 170
 171 // FIXME: Initializing like this is a really bad idea.  If for some reason
 172 // we ever require posing as an NSObject we won't be able to since an instance
 173 // will have already been created here.  Of course, catching messages for
 174 // NSObject seems like a LOT of overkill, so I doubt we ever will anyway!
 175 void *wxCocoaNSView::sm_cocoaObserver = [[wxNSViewNotificationObserver alloc] init];
 176
 177 - (void)notificationFrameChanged: (NSNotification *)notification;
 178 @end // interface wxNSViewNotificationObserver
 179
 180 @implementation wxNSViewNotificationObserver : NSObject
 181
 182 - (void)notificationFrameChanged: (NSNotification *)notification;
 183 {
 184     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa([notification object]);
 185     wxCHECK_RET(win,"notificationFrameChanged received but no wxWindow exists");
 186     win->Cocoa_FrameChanged();
 187 }
 188
 189 @end // implementation wxNSViewNotificationObserver
 190