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 <AppKit/NSView.h>
  29 #import <Foundation/NSNotification.h>
  30 #import <Foundation/NSString.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 wxPoserNSView
  58 // ============================================================================
  59 @interface wxPoserNSView : NSView
  60 {
  61 }
  62
  63 - (void)drawRect: (NSRect)rect;
  64 - (void)mouseDown:(NSEvent *)theEvent;
  65 - (void)mouseDragged:(NSEvent *)theEvent;
  66 - (void)mouseUp:(NSEvent *)theEvent;
  67 - (void)mouseMoved:(NSEvent *)theEvent;
  68 - (void)mouseEntered:(NSEvent *)theEvent;
  69 - (void)mouseExited:(NSEvent *)theEvent;
  70 - (void)rightMouseDown:(NSEvent *)theEvent;
  71 - (void)rightMouseDragged:(NSEvent *)theEvent;
  72 - (void)rightMouseUp:(NSEvent *)theEvent;
  73 - (void)otherMouseDown:(NSEvent *)theEvent;
  74 - (void)otherMouseDragged:(NSEvent *)theEvent;
  75 - (void)otherMouseUp:(NSEvent *)theEvent;
  76 @end // wxPoserNSView
  77
  78 WX_IMPLEMENT_POSER(wxPoserNSView);
  79 @implementation wxPoserNSView : NSView
  80
  81 - (void)drawRect: (NSRect)rect
  82 {
  83     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  84     if( !win || !win->Cocoa_drawRect(rect) )
  85         [super drawRect:rect];
  86 }
  87
  88 - (void)mouseDown:(NSEvent *)theEvent
  89 {
  90     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  91     if( !win || !win->Cocoa_mouseDown(theEvent) )
  92         [super mouseDown:theEvent];
  93 }
  94
  95 - (void)mouseDragged:(NSEvent *)theEvent
  96 {
  97     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  98     if( !win || !win->Cocoa_mouseDragged(theEvent) )
  99         [super mouseDragged:theEvent];
 100 }
 101
 102 - (void)mouseUp:(NSEvent *)theEvent
 103 {
 104     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 105     if( !win || !win->Cocoa_mouseUp(theEvent) )
 106         [super mouseUp:theEvent];
 107 }
 108
 109 - (void)mouseMoved:(NSEvent *)theEvent
 110 {
 111     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 112     if( !win || !win->Cocoa_mouseMoved(theEvent) )
 113         [super mouseMoved:theEvent];
 114 }
 115
 116 - (void)mouseEntered:(NSEvent *)theEvent
 117 {
 118     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 119     if( !win || !win->Cocoa_mouseEntered(theEvent) )
 120         [super mouseEntered:theEvent];
 121 }
 122
 123 - (void)mouseExited:(NSEvent *)theEvent
 124 {
 125     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 126     if( !win || !win->Cocoa_mouseExited(theEvent) )
 127         [super mouseExited:theEvent];
 128 }
 129
 130 - (void)rightMouseDown:(NSEvent *)theEvent
 131 {
 132     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 133     if( !win || !win->Cocoa_rightMouseDown(theEvent) )
 134         [super rightMouseDown:theEvent];
 135 }
 136
 137 - (void)rightMouseDragged:(NSEvent *)theEvent
 138 {
 139     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 140     if( !win || !win->Cocoa_rightMouseDragged(theEvent) )
 141         [super rightMouseDragged:theEvent];
 142 }
 143
 144 - (void)rightMouseUp:(NSEvent *)theEvent
 145 {
 146     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 147     if( !win || !win->Cocoa_rightMouseUp(theEvent) )
 148         [super rightMouseUp:theEvent];
 149 }
 150
 151 - (void)otherMouseDown:(NSEvent *)theEvent
 152 {
 153     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 154     if( !win || !win->Cocoa_otherMouseDown(theEvent) )
 155         [super otherMouseDown:theEvent];
 156 }
 157
 158 - (void)otherMouseDragged:(NSEvent *)theEvent
 159 {
 160     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 161     if( !win || !win->Cocoa_otherMouseDragged(theEvent) )
 162         [super otherMouseDragged:theEvent];
 163 }
 164
 165 - (void)otherMouseUp:(NSEvent *)theEvent
 166 {
 167     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 168     if( !win || !win->Cocoa_otherMouseUp(theEvent) )
 169         [super otherMouseUp:theEvent];
 170 }
 171
 172 @end // implementation wxPoserNSView
 173
 174 @interface wxNSViewNotificationObserver : NSObject
 175 {
 176 }
 177
 178 // FIXME: Initializing like this is a really bad idea.  If for some reason
 179 // we ever require posing as an NSObject we won't be able to since an instance
 180 // will have already been created here.  Of course, catching messages for
 181 // NSObject seems like a LOT of overkill, so I doubt we ever will anyway!
 182 void *wxCocoaNSView::sm_cocoaObserver = [[wxNSViewNotificationObserver alloc] init];
 183
 184 - (void)notificationFrameChanged: (NSNotification *)notification;
 185 @end // interface wxNSViewNotificationObserver
 186
 187 @implementation wxNSViewNotificationObserver : NSObject
 188
 189 - (void)notificationFrameChanged: (NSNotification *)notification;
 190 {
 191     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa([notification object]);
 192     wxCHECK_RET(win,wxT("notificationFrameChanged received but no wxWindow exists"));
 193     win->Cocoa_FrameChanged();
 194 }
 195
 196 @end // implementation wxNSViewNotificationObserver
 197