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 - (BOOL)acceptsFirstMouse:(NSEvent *)theEvent
  83 {
  84     bool acceptsFirstMouse = false;
  85     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  86     if(!win || !win->Cocoa_acceptsFirstMouse(acceptsFirstMouse, theEvent))
  87         acceptsFirstMouse = [super acceptsFirstMouse:theEvent];
  88     return acceptsFirstMouse;
  89 }
  90
  91 - (void)drawRect: (NSRect)rect
  92 {
  93     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  94     if( !win || !win->Cocoa_drawRect(rect) )
  95         [super drawRect:rect];
  96 }
  97
  98 - (void)mouseDown:(NSEvent *)theEvent
  99 {
 100     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 101     if( !win || !win->Cocoa_mouseDown(theEvent) )
 102         [super mouseDown:theEvent];
 103 }
 104
 105 - (void)mouseDragged:(NSEvent *)theEvent
 106 {
 107     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 108     if( !win || !win->Cocoa_mouseDragged(theEvent) )
 109         [super mouseDragged:theEvent];
 110 }
 111
 112 - (void)mouseUp:(NSEvent *)theEvent
 113 {
 114     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 115     if( !win || !win->Cocoa_mouseUp(theEvent) )
 116         [super mouseUp:theEvent];
 117 }
 118
 119 - (void)mouseMoved:(NSEvent *)theEvent
 120 {
 121     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 122     if( !win || !win->Cocoa_mouseMoved(theEvent) )
 123         [super mouseMoved:theEvent];
 124 }
 125
 126 - (void)mouseEntered:(NSEvent *)theEvent
 127 {
 128     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 129     if( !win || !win->Cocoa_mouseEntered(theEvent) )
 130         [super mouseEntered:theEvent];
 131 }
 132
 133 - (void)mouseExited:(NSEvent *)theEvent
 134 {
 135     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 136     if( !win || !win->Cocoa_mouseExited(theEvent) )
 137         [super mouseExited:theEvent];
 138 }
 139
 140 - (void)rightMouseDown:(NSEvent *)theEvent
 141 {
 142     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 143     if( !win || !win->Cocoa_rightMouseDown(theEvent) )
 144         [super rightMouseDown:theEvent];
 145 }
 146
 147 - (void)rightMouseDragged:(NSEvent *)theEvent
 148 {
 149     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 150     if( !win || !win->Cocoa_rightMouseDragged(theEvent) )
 151         [super rightMouseDragged:theEvent];
 152 }
 153
 154 - (void)rightMouseUp:(NSEvent *)theEvent
 155 {
 156     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 157     if( !win || !win->Cocoa_rightMouseUp(theEvent) )
 158         [super rightMouseUp:theEvent];
 159 }
 160
 161 - (void)otherMouseDown:(NSEvent *)theEvent
 162 {
 163     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 164     if( !win || !win->Cocoa_otherMouseDown(theEvent) )
 165         [super otherMouseDown:theEvent];
 166 }
 167
 168 - (void)otherMouseDragged:(NSEvent *)theEvent
 169 {
 170     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 171     if( !win || !win->Cocoa_otherMouseDragged(theEvent) )
 172         [super otherMouseDragged:theEvent];
 173 }
 174
 175 - (void)otherMouseUp:(NSEvent *)theEvent
 176 {
 177     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 178     if( !win || !win->Cocoa_otherMouseUp(theEvent) )
 179         [super otherMouseUp:theEvent];
 180 }
 181
 182 - (void)resetCursorRects
 183 {
 184     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 185     if( !win || !win->Cocoa_resetCursorRects() )
 186         [super resetCursorRects];
 187 }
 188
 189 @end // implementation wxPoserNSView
 190
 191 @interface wxNSViewNotificationObserver : NSObject
 192 {
 193 }
 194
 195 // FIXME: Initializing like this is a really bad idea.  If for some reason
 196 // we ever require posing as an NSObject we won't be able to since an instance
 197 // will have already been created here.  Of course, catching messages for
 198 // NSObject seems like a LOT of overkill, so I doubt we ever will anyway!
 199 void *wxCocoaNSView::sm_cocoaObserver = [[wxNSViewNotificationObserver alloc] init];
 200
 201 - (void)notificationFrameChanged: (NSNotification *)notification;
 202 @end // interface wxNSViewNotificationObserver
 203
 204 @implementation wxNSViewNotificationObserver : NSObject
 205
 206 - (void)notificationFrameChanged: (NSNotification *)notification;
 207 {
 208     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa([notification object]);
 209     wxCHECK_RET(win,wxT("notificationFrameChanged received but no wxWindow exists"));
 210     win->Cocoa_FrameChanged();
 211 }
 212
 213 @end // implementation wxNSViewNotificationObserver
 214