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/NSView.h"
  26
  27 #import <Foundation/NSNotification.h>
  28 #import <Foundation/NSString.h>
  29 #include "wx/cocoa/objc/NSView.h"
  30
  31 // ----------------------------------------------------------------------------
  32 // globals
  33 // ----------------------------------------------------------------------------
  34 WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(NSView)
  35
  36 void wxCocoaNSView::AssociateNSView(WX_NSView cocoaNSView)
  37 {
  38     if(cocoaNSView)
  39     {
  40         sm_cocoaHash.insert(wxCocoaNSViewHash::value_type(cocoaNSView,this));
  41         [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(notificationFrameChanged:) name:@"NSViewFrameDidChangeNotification" object:cocoaNSView];
  42         [cocoaNSView setPostsFrameChangedNotifications: YES];
  43     }
  44 }
  45
  46 void wxCocoaNSView::DisassociateNSView(WX_NSView cocoaNSView)
  47 {
  48     if(cocoaNSView)
  49     {
  50         sm_cocoaHash.erase(cocoaNSView);
  51         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:@"NSViewFrameDidChangeNotification" object:cocoaNSView];
  52     }
  53 }
  54
  55 // ============================================================================
  56 // @class WXNSView
  57 // ============================================================================
  58
  59 @implementation WXNSView : NSView
  60
  61 - (BOOL)acceptsFirstMouse:(NSEvent *)theEvent
  62 {
  63     bool acceptsFirstMouse = false;
  64     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  65     if(!win || !win->Cocoa_acceptsFirstMouse(acceptsFirstMouse, theEvent))
  66         acceptsFirstMouse = [super acceptsFirstMouse:theEvent];
  67     return acceptsFirstMouse;
  68 }
  69
  70 - (void)drawRect: (NSRect)rect
  71 {
  72     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  73     if( !win || !win->Cocoa_drawRect(rect) )
  74         [super drawRect:rect];
  75 }
  76
  77 - (void)mouseDown:(NSEvent *)theEvent
  78 {
  79     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  80     if( !win || !win->Cocoa_mouseDown(theEvent) )
  81         [super mouseDown:theEvent];
  82 }
  83
  84 - (void)mouseDragged:(NSEvent *)theEvent
  85 {
  86     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  87     if( !win || !win->Cocoa_mouseDragged(theEvent) )
  88         [super mouseDragged:theEvent];
  89 }
  90
  91 - (void)mouseUp:(NSEvent *)theEvent
  92 {
  93     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  94     if( !win || !win->Cocoa_mouseUp(theEvent) )
  95         [super mouseUp:theEvent];
  96 }
  97
  98 - (void)mouseMoved:(NSEvent *)theEvent
  99 {
 100     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 101     if( !win || !win->Cocoa_mouseMoved(theEvent) )
 102         [super mouseMoved:theEvent];
 103 }
 104
 105 - (void)mouseEntered:(NSEvent *)theEvent
 106 {
 107     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 108     if( !win || !win->Cocoa_mouseEntered(theEvent) )
 109         [super mouseEntered:theEvent];
 110 }
 111
 112 - (void)mouseExited:(NSEvent *)theEvent
 113 {
 114     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 115     if( !win || !win->Cocoa_mouseExited(theEvent) )
 116         [super mouseExited:theEvent];
 117 }
 118
 119 - (void)rightMouseDown:(NSEvent *)theEvent
 120 {
 121     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 122     if( !win || !win->Cocoa_rightMouseDown(theEvent) )
 123         [super rightMouseDown:theEvent];
 124 }
 125
 126 - (void)rightMouseDragged:(NSEvent *)theEvent
 127 {
 128     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 129     if( !win || !win->Cocoa_rightMouseDragged(theEvent) )
 130         [super rightMouseDragged:theEvent];
 131 }
 132
 133 - (void)rightMouseUp:(NSEvent *)theEvent
 134 {
 135     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 136     if( !win || !win->Cocoa_rightMouseUp(theEvent) )
 137         [super rightMouseUp:theEvent];
 138 }
 139
 140 - (void)otherMouseDown:(NSEvent *)theEvent
 141 {
 142     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 143     if( !win || !win->Cocoa_otherMouseDown(theEvent) )
 144         [super otherMouseDown:theEvent];
 145 }
 146
 147 - (void)otherMouseDragged:(NSEvent *)theEvent
 148 {
 149     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 150     if( !win || !win->Cocoa_otherMouseDragged(theEvent) )
 151         [super otherMouseDragged:theEvent];
 152 }
 153
 154 - (void)otherMouseUp:(NSEvent *)theEvent
 155 {
 156     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 157     if( !win || !win->Cocoa_otherMouseUp(theEvent) )
 158         [super otherMouseUp:theEvent];
 159 }
 160
 161 - (void)resetCursorRects
 162 {
 163     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 164     if( !win || !win->Cocoa_resetCursorRects() )
 165         [super resetCursorRects];
 166 }
 167
 168 @end // implementation WXNSView
 169
 170 @interface wxNSViewNotificationObserver : NSObject
 171 {
 172 }
 173
 174 // FIXME: Initializing like this is a really bad idea.  If for some reason
 175 // we ever require posing as an NSObject we won't be able to since an instance
 176 // will have already been created here.  Of course, catching messages for
 177 // NSObject seems like a LOT of overkill, so I doubt we ever will anyway!
 178 void *wxCocoaNSView::sm_cocoaObserver = [[wxNSViewNotificationObserver alloc] init];
 179
 180 - (void)notificationFrameChanged: (NSNotification *)notification;
 181 @end // interface wxNSViewNotificationObserver
 182
 183 @implementation wxNSViewNotificationObserver : NSObject
 184
 185 - (void)notificationFrameChanged: (NSNotification *)notification;
 186 {
 187     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa([notification object]);
 188     wxCHECK_RET(win,wxT("notificationFrameChanged received but no wxWindow exists"));
 189     win->Cocoa_FrameChanged();
 190 }
 191
 192 @end // implementation wxNSViewNotificationObserver
 193