source/graphics/cocoa/cocoaevent.m

   1 #import <AppKit/NSEvent.h>
   2 #import <AppKit/NSWindow.h>
   3 #import <Foundation/NSString.h>
   4 #include "cocoaevent.h"
   5
   6 NSWindow *get_native_window(CocoaWindow *);
   7 CocoaWindow *lookup_window(NSWindow *);
   8
   9 CocoaWindow *last_window = 0;
  10
  11 void convert_event(NSEvent *ev, CocoaEvent *cev)
  12 {
  13         NSEventType type = [ev type];
  14         cev->any.type = (CocoaEventType)type;
  15
  16         NSWindow *window = [ev window];
  17         if(window)
  18         {
  19                 cev->any.window = lookup_window([ev window]);
  20                 last_window = cev->any.window;
  21         }
  22
  23         if(type==NSLeftMouseDown || type==NSLeftMouseUp)
  24         {
  25                 cev->button.button = 1;
  26                 cev->button.state = (type==NSLeftMouseDown);
  27         }
  28         else if(type==NSRightMouseDown || type==NSRightMouseUp)
  29         {
  30                 cev->button.button = 3;
  31                 cev->button.state = (type==NSRightMouseDown);
  32         }
  33         else if(type==NSOtherMouseDown || type==NSOtherMouseUp)
  34         {
  35                 cev->button.button = [ev buttonNumber];
  36                 cev->button.state = (type==NSOtherMouseDown);
  37         }
  38         else if(type==NSMouseMoved)
  39         {
  40                 NSPoint pt = [ev locationInWindow];
  41                 if(!window && last_window)
  42                 {
  43                         /* If the pointer leaves the window, any subsequent MouseMoved events
  44                         are reported to a null window until the window is clicked. */
  45                         window = get_native_window(last_window);
  46                         pt = [window convertScreenToBase:pt];
  47                         cev->any.window = last_window;
  48                 }
  49                 cev->motion.x = pt.x;
  50                 cev->motion.y = pt.y;
  51         }
  52         else if(type==NSKeyDown)
  53         {
  54                 NSString *chars = [[ev charactersIgnoringModifiers] uppercaseString];
  55                 if([chars length]==1)
  56                         cev->key.key = [chars characterAtIndex:0];
  57
  58                 chars = [ev characters];
  59                 if([chars length]==1)
  60                         cev->key.character = [chars characterAtIndex:0];
  61         }
  62 }