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 - (void)resetCursorRects;
  77 @end // wxPoserNSView
  78
  79 WX_IMPLEMENT_POSER(wxPoserNSView);
  80 @implementation wxPoserNSView : NSView
  81
  82 - (void)drawRect: (NSRect)rect
  83 {
  84     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  85     if( !win || !win->Cocoa_drawRect(rect) )
  86         [super drawRect:rect];
  87 }
  88
  89 - (void)mouseDown:(NSEvent *)theEvent
  90 {
  91     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  92     if( !win || !win->Cocoa_mouseDown(theEvent) )
  93         [super mouseDown:theEvent];
  94 }
  95
  96 - (void)mouseDragged:(NSEvent *)theEvent
  97 {
  98     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  99     if( !win || !win->Cocoa_mouseDragged(theEvent) )
 100         [super mouseDragged:theEvent];
 101 }
 102
 103 - (void)mouseUp:(NSEvent *)theEvent
 104 {
 105     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 106     if( !win || !win->Cocoa_mouseUp(theEvent) )
 107         [super mouseUp:theEvent];
 108 }
 109
 110 - (void)mouseMoved:(NSEvent *)theEvent
 111 {
 112     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 113     if( !win || !win->Cocoa_mouseMoved(theEvent) )
 114         [super mouseMoved:theEvent];
 115 }
 116
 117 - (void)mouseEntered:(NSEvent *)theEvent
 118 {
 119     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 120     if( !win || !win->Cocoa_mouseEntered(theEvent) )
 121         [super mouseEntered:theEvent];
 122 }
 123
 124 - (void)mouseExited:(NSEvent *)theEvent
 125 {
 126     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 127     if( !win || !win->Cocoa_mouseExited(theEvent) )
 128         [super mouseExited:theEvent];
 129 }
 130
 131 - (void)rightMouseDown:(NSEvent *)theEvent
 132 {
 133     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 134     if( !win || !win->Cocoa_rightMouseDown(theEvent) )
 135         [super rightMouseDown:theEvent];
 136 }
 137
 138 - (void)rightMouseDragged:(NSEvent *)theEvent
 139 {
 140     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 141     if( !win || !win->Cocoa_rightMouseDragged(theEvent) )
 142         [super rightMouseDragged:theEvent];
 143 }
 144
 145 - (void)rightMouseUp:(NSEvent *)theEvent
 146 {
 147     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 148     if( !win || !win->Cocoa_rightMouseUp(theEvent) )
 149         [super rightMouseUp:theEvent];
 150 }
 151
 152 - (void)otherMouseDown:(NSEvent *)theEvent
 153 {
 154     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 155     if( !win || !win->Cocoa_otherMouseDown(theEvent) )
 156         [super otherMouseDown:theEvent];
 157 }
 158
 159 - (void)otherMouseDragged:(NSEvent *)theEvent
 160 {
 161     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 162     if( !win || !win->Cocoa_otherMouseDragged(theEvent) )
 163         [super otherMouseDragged:theEvent];
 164 }
 165
 166 - (void)otherMouseUp:(NSEvent *)theEvent
 167 {
 168     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 169     if( !win || !win->Cocoa_otherMouseUp(theEvent) )
 170         [super otherMouseUp:theEvent];
 171 }
 172
 173 - (void)resetCursorRects
 174 {
 175     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 176     if( !win || !win->Cocoa_resetCursorRects() )
 177         [super resetCursorRects];
 178 }
 179
 180 @end // implementation wxPoserNSView
 181
 182 @interface wxNSViewNotificationObserver : NSObject
 183 {
 184 }
 185
 186 // FIXME: Initializing like this is a really bad idea.  If for some reason
 187 // we ever require posing as an NSObject we won't be able to since an instance
 188 // will have already been created here.  Of course, catching messages for
 189 // NSObject seems like a LOT of overkill, so I doubt we ever will anyway!
 190 void *wxCocoaNSView::sm_cocoaObserver = [[wxNSViewNotificationObserver alloc] init];
 191
 192 - (void)notificationFrameChanged: (NSNotification *)notification;
 193 @end // interface wxNSViewNotificationObserver
 194
 195 @implementation wxNSViewNotificationObserver : NSObject
 196
 197 - (void)notificationFrameChanged: (NSNotification *)notification;
 198 {
 199     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa([notification object]);
 200     wxCHECK_RET(win,wxT("notificationFrameChanged received but no wxWindow exists"));
 201     win->Cocoa_FrameChanged();
 202 }
 203
 204 @end // implementation wxNSViewNotificationObserver
 205