 b5bcdbc10f
			
		
	
	b5bcdbc10f
	
	
	
		
			
			Makes name consistent with other quartz-only modules and makes it clear that this works with the GMenuModel system rather than the older GtkMenu system.
		
			
				
	
	
		
			630 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			630 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright © 2011 William Hua, Ryan Lortie
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|  *
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|  * This library is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU Lesser General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2 of the licence, or (at your option) any later version.
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|  *
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|  * This library is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public
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|  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
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|  *
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|  * Author: William Hua <william@attente.ca>
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|  *         Ryan Lortie <desrt@desrt.ca>
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|  */
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| 
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| #include "gtkmodelmenu-quartz.h"
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| 
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| #include <gdk/gdkkeysyms.h>
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| #include "gtkaccelmapprivate.h"
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| 
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| #import <Cocoa/Cocoa.h>
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| 
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| /*
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|  * Code for key code conversion
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|  *
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|  * Copyright (C) 2009 Paul Davis
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|  */
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| static unichar
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| gtk_quartz_model_menu_get_unichar (gint key)
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| {
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|   if (key >= GDK_KEY_A && key <= GDK_KEY_Z)
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|     return key + (GDK_KEY_a - GDK_KEY_A);
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| 
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|   if (key >= GDK_KEY_space && key <= GDK_KEY_asciitilde)
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|     return key;
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| 
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|   switch (key)
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|     {
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|       case GDK_KEY_BackSpace:
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|         return NSBackspaceCharacter;
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|       case GDK_KEY_Delete:
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|         return NSDeleteFunctionKey;
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|       case GDK_KEY_Pause:
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|         return NSPauseFunctionKey;
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|       case GDK_KEY_Scroll_Lock:
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|         return NSScrollLockFunctionKey;
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|       case GDK_KEY_Sys_Req:
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|         return NSSysReqFunctionKey;
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|       case GDK_KEY_Home:
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|         return NSHomeFunctionKey;
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|       case GDK_KEY_Left:
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|       case GDK_KEY_leftarrow:
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|         return NSLeftArrowFunctionKey;
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|       case GDK_KEY_Up:
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|       case GDK_KEY_uparrow:
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|         return NSUpArrowFunctionKey;
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|       case GDK_KEY_Right:
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|       case GDK_KEY_rightarrow:
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|         return NSRightArrowFunctionKey;
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|       case GDK_KEY_Down:
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|       case GDK_KEY_downarrow:
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|         return NSDownArrowFunctionKey;
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|       case GDK_KEY_Page_Up:
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|         return NSPageUpFunctionKey;
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|       case GDK_KEY_Page_Down:
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|         return NSPageDownFunctionKey;
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|       case GDK_KEY_End:
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|         return NSEndFunctionKey;
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|       case GDK_KEY_Begin:
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|         return NSBeginFunctionKey;
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|       case GDK_KEY_Select:
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|         return NSSelectFunctionKey;
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|       case GDK_KEY_Print:
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|         return NSPrintFunctionKey;
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|       case GDK_KEY_Execute:
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|         return NSExecuteFunctionKey;
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|       case GDK_KEY_Insert:
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|         return NSInsertFunctionKey;
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|       case GDK_KEY_Undo:
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|         return NSUndoFunctionKey;
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|       case GDK_KEY_Redo:
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|         return NSRedoFunctionKey;
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|       case GDK_KEY_Menu:
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|         return NSMenuFunctionKey;
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|       case GDK_KEY_Find:
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|         return NSFindFunctionKey;
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|       case GDK_KEY_Help:
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|         return NSHelpFunctionKey;
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|       case GDK_KEY_Break:
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|         return NSBreakFunctionKey;
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|       case GDK_KEY_Mode_switch:
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|         return NSModeSwitchFunctionKey;
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|       case GDK_KEY_F1:
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|         return NSF1FunctionKey;
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|       case GDK_KEY_F2:
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|         return NSF2FunctionKey;
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|       case GDK_KEY_F3:
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|         return NSF3FunctionKey;
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|       case GDK_KEY_F4:
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|         return NSF4FunctionKey;
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|       case GDK_KEY_F5:
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|         return NSF5FunctionKey;
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|       case GDK_KEY_F6:
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|         return NSF6FunctionKey;
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|       case GDK_KEY_F7:
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|         return NSF7FunctionKey;
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|       case GDK_KEY_F8:
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|         return NSF8FunctionKey;
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|       case GDK_KEY_F9:
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|         return NSF9FunctionKey;
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|       case GDK_KEY_F10:
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|         return NSF10FunctionKey;
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|       case GDK_KEY_F11:
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|         return NSF11FunctionKey;
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|       case GDK_KEY_F12:
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|         return NSF12FunctionKey;
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|       case GDK_KEY_F13:
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|         return NSF13FunctionKey;
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|       case GDK_KEY_F14:
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|         return NSF14FunctionKey;
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|       case GDK_KEY_F15:
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|         return NSF15FunctionKey;
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|       case GDK_KEY_F16:
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|         return NSF16FunctionKey;
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|       case GDK_KEY_F17:
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|         return NSF17FunctionKey;
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|       case GDK_KEY_F18:
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|         return NSF18FunctionKey;
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|       case GDK_KEY_F19:
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|         return NSF19FunctionKey;
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|       case GDK_KEY_F20:
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|         return NSF20FunctionKey;
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|       case GDK_KEY_F21:
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|         return NSF21FunctionKey;
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|       case GDK_KEY_F22:
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|         return NSF22FunctionKey;
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|       case GDK_KEY_F23:
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|         return NSF23FunctionKey;
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|       case GDK_KEY_F24:
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|         return NSF24FunctionKey;
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|       case GDK_KEY_F25:
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|         return NSF25FunctionKey;
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|       case GDK_KEY_F26:
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|         return NSF26FunctionKey;
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|       case GDK_KEY_F27:
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|         return NSF27FunctionKey;
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|       case GDK_KEY_F28:
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|         return NSF28FunctionKey;
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|       case GDK_KEY_F29:
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|         return NSF29FunctionKey;
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|       case GDK_KEY_F30:
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|         return NSF30FunctionKey;
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|       case GDK_KEY_F31:
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|         return NSF31FunctionKey;
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|       case GDK_KEY_F32:
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|         return NSF32FunctionKey;
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|       case GDK_KEY_F33:
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|         return NSF33FunctionKey;
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|       case GDK_KEY_F34:
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|         return NSF34FunctionKey;
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|       case GDK_KEY_F35:
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|         return NSF35FunctionKey;
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|       default:
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|         break;
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|     }
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| 
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|   return '\0';
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| }
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| 
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| 
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| 
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| typedef struct _GtkQuartzActionObserver GtkQuartzActionObserver;
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| 
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| 
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| 
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| @interface GNSMenu : NSMenu
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| {
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|   GActionObservable *actions;
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|   GMenuModel        *model;
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|   guint              update_idle;
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|   GSList            *connected;
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|   gboolean           with_separators;
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| }
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| 
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| - (id)initWithTitle:(NSString *)title model:(GMenuModel *)aModel actions:(GActionObservable *)someActions hasSeparators:(BOOL)hasSeparators;
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| 
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| - (void)model:(GMenuModel *)model didChangeAtPosition:(NSInteger)position removed:(NSInteger)removed added:(NSInteger)added;
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| 
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| - (gboolean)handleChanges;
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| 
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| @end
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| 
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| 
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| 
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| @interface GNSMenuItem : NSMenuItem
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| {
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|   gchar                   *action;
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|   GVariant                *target;
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|   BOOL                     canActivate;
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|   GActionGroup            *actions;
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|   GtkQuartzActionObserver *observer;
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| }
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| 
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| - (id)initWithModel:(GMenuModel *)model index:(NSInteger)index observable:(GActionObservable *)observable;
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| 
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| - (void)observableActionAddedWithParameterType:(const GVariantType *)parameterType enabled:(BOOL)enabled state:(GVariant *)state;
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| - (void)observableActionEnabledChangedTo:(BOOL)enabled;
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| - (void)observableActionStateChangedTo:(GVariant *)state;
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| - (void)observableActionRemoved;
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| 
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| - (void)didSelectItem:(id)sender;
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| 
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| @end
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| 
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| 
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| 
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| struct _GtkQuartzActionObserver
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| {
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|   GObject parent_instance;
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| 
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|   GNSMenuItem *item;
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| };
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| 
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| 
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| 
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| typedef GObjectClass GtkQuartzActionObserverClass;
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| 
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| static void gtk_quartz_action_observer_observer_iface_init (GActionObserverInterface *iface);
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| G_DEFINE_TYPE_WITH_CODE (GtkQuartzActionObserver, gtk_quartz_action_observer, G_TYPE_OBJECT,
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|                          G_IMPLEMENT_INTERFACE (G_TYPE_ACTION_OBSERVER, gtk_quartz_action_observer_observer_iface_init))
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| 
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| static void
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| gtk_quartz_action_observer_action_added (GActionObserver    *observer,
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|                                          GActionObservable  *observable,
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|                                          const gchar        *action_name,
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|                                          const GVariantType *parameter_type,
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|                                          gboolean            enabled,
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|                                          GVariant           *state)
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| {
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|   GtkQuartzActionObserver *qao = (GtkQuartzActionObserver *) observer;
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| 
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|   [qao->item observableActionAddedWithParameterType:parameter_type enabled:enabled state:state];
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| }
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| 
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| static void
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| gtk_quartz_action_observer_action_enabled_changed (GActionObserver   *observer,
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|                                                    GActionObservable *observable,
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|                                                    const gchar       *action_name,
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|                                                    gboolean           enabled)
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| {
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|   GtkQuartzActionObserver *qao = (GtkQuartzActionObserver *) observer;
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| 
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|   [qao->item observableActionEnabledChangedTo:enabled];
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| }
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| 
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| static void
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| gtk_quartz_action_observer_action_state_changed (GActionObserver   *observer,
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|                                                  GActionObservable *observable,
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|                                                  const gchar       *action_name,
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|                                                  GVariant          *state)
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| {
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|   GtkQuartzActionObserver *qao = (GtkQuartzActionObserver *) observer;
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| 
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|   [qao->item observableActionStateChangedTo:state];
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| }
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| 
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| static void
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| gtk_quartz_action_observer_action_removed (GActionObserver   *observer,
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|                                            GActionObservable *observable,
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|                                            const gchar       *action_name)
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| {
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|   GtkQuartzActionObserver *qao = (GtkQuartzActionObserver *) observer;
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| 
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|   [qao->item observableActionRemoved];
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| }
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| 
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| static void
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| gtk_quartz_action_observer_init (GtkQuartzActionObserver *item)
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| {
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| }
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| 
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| static void
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| gtk_quartz_action_observer_observer_iface_init (GActionObserverInterface *iface)
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| {
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|   iface->action_added = gtk_quartz_action_observer_action_added;
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|   iface->action_enabled_changed = gtk_quartz_action_observer_action_enabled_changed;
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|   iface->action_state_changed = gtk_quartz_action_observer_action_state_changed;
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|   iface->action_removed = gtk_quartz_action_observer_action_removed;
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| }
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| 
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| static void
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| gtk_quartz_action_observer_class_init (GtkQuartzActionObserverClass *class)
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| {
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| }
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| 
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| static GtkQuartzActionObserver *
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| gtk_quartz_action_observer_new (GNSMenuItem *item)
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| {
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|   GtkQuartzActionObserver *observer;
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| 
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|   observer = g_object_new (gtk_quartz_action_observer_get_type (), NULL);
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|   observer->item = item;
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| 
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|   return observer;
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| }
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| 
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| static gboolean
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| gtk_quartz_model_menu_handle_changes (gpointer user_data)
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| {
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|   GNSMenu *menu = user_data;
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| 
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|   return [menu handleChanges];
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| }
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| 
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| static void
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| gtk_quartz_model_menu_items_changed (GMenuModel *model,
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|                                gint        position,
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|                                gint        removed,
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|                                gint        added,
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|                                gpointer    user_data)
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| {
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|   GNSMenu *menu = user_data;
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| 
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|   [menu model:model didChangeAtPosition:position removed:removed added:added];
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| }
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| 
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| void
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| gtk_quartz_set_main_menu (GMenuModel        *model,
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|                           GActionObservable *observable)
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| {
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|   [NSApp setMainMenu:[[[GNSMenu alloc] initWithTitle:@"Main Menu" model:model actions:observable hasSeparators:NO] autorelease]];
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| }
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| 
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| @interface GNSMenu ()
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| 
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| - (void)appendFromModel:(GMenuModel *)aModel withSeparators:(BOOL)withSeparators;
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| 
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| @end
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| 
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| 
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| 
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| @implementation GNSMenu
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| 
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| - (void)model:(GMenuModel *)model didChangeAtPosition:(NSInteger)position removed:(NSInteger)removed added:(NSInteger)added
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| {
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|   if (update_idle == 0)
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|     update_idle = gdk_threads_add_idle (gtk_quartz_model_menu_handle_changes, self);
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| }
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| 
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| - (void)appendItemFromModel:(GMenuModel *)aModel atIndex:(gint)index withHeading:(gchar **)heading
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| {
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|   GMenuModel *section;
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| 
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|   if ((section = g_menu_model_get_item_link (aModel, index, G_MENU_LINK_SECTION)))
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|     {
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|       g_menu_model_get_item_attribute (aModel, index, G_MENU_ATTRIBUTE_LABEL, "s", heading);
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|       [self appendFromModel:section withSeparators:NO];
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|       g_object_unref (section);
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|     }
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|   else
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|     [self addItem:[[[GNSMenuItem alloc] initWithModel:aModel index:index observable:actions] autorelease]];
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| }
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| 
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| - (void)appendFromModel:(GMenuModel *)aModel withSeparators:(BOOL)withSeparators
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| {
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|   gint n, i;
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| 
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|   g_signal_connect (aModel, "items-changed", G_CALLBACK (gtk_quartz_model_menu_items_changed), self);
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|   connected = g_slist_prepend (connected, g_object_ref (aModel));
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| 
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|   n = g_menu_model_get_n_items (aModel);
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| 
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|   for (i = 0; i < n; i++)
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|     {
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|       NSInteger ourPosition = [self numberOfItems];
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|       gchar *heading = NULL;
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| 
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|       [self appendItemFromModel:aModel atIndex:i withHeading:&heading];
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| 
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|       if (withSeparators && ourPosition < [self numberOfItems])
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|         {
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|           NSMenuItem *separator = nil;
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| 
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|           if (heading)
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|             {
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|               separator = [[[NSMenuItem alloc] initWithTitle:[NSString stringWithUTF8String:heading] action:NULL keyEquivalent:@""] autorelease];
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| 
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|               [separator setEnabled:NO];
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|             }
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|           else if (ourPosition > 0)
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|             separator = [NSMenuItem separatorItem];
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| 
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|           if (separator != nil)
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|             [self insertItem:separator atIndex:ourPosition];
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|         }
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| 
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|       g_free (heading);
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|     }
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| }
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| 
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| - (void)populate
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| {
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|   [self removeAllItems];
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| 
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|   [self appendFromModel:model withSeparators:with_separators];
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| }
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| 
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| - (gboolean)handleChanges
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| {
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|   while (connected)
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|     {
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|       g_signal_handlers_disconnect_by_func (connected->data, gtk_quartz_model_menu_items_changed, self);
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|       g_object_unref (connected->data);
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| 
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|       connected = g_slist_delete_link (connected, connected);
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|     }
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| 
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|   [self populate];
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| 
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|   update_idle = 0;
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| 
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|   return G_SOURCE_REMOVE;
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| }
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| 
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| - (id)initWithTitle:(NSString *)title model:(GMenuModel *)aModel actions:(GActionObservable *)someActions hasSeparators:(BOOL)hasSeparators
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| {
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|   if((self = [super initWithTitle:title]) != nil)
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|     {
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|       [self setAutoenablesItems:NO];
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| 
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|       model = g_object_ref (aModel);
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|       actions = g_object_ref (someActions);
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|       with_separators = hasSeparators;
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| 
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|       [self populate];
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|     }
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| 
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|   return self;
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| }
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| 
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| - (void)dealloc
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| {
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|   while (connected)
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|     {
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|       g_signal_handlers_disconnect_by_func (connected->data, gtk_quartz_model_menu_items_changed, self);
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|       g_object_unref (connected->data);
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| 
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|       connected = g_slist_delete_link (connected, connected);
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|     }
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| 
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|   g_object_unref (actions);
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|   g_object_unref (model);
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| 
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|   [super dealloc];
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| }
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| 
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| @end
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| 
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| 
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| 
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| @implementation GNSMenuItem
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| 
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| - (id)initWithModel:(GMenuModel *)model index:(NSInteger)index observable:(GActionObservable *)observable
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| {
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|   gchar *title = NULL;
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| 
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|   if (g_menu_model_get_item_attribute (model, index, G_MENU_ATTRIBUTE_LABEL, "s", &title))
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|     {
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|       gchar *from, *to;
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| 
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|       to = from = title;
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| 
 | |
|       while (*from)
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|         {
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|           if (*from == '_' && from[1])
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|             from++;
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| 
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|           *to++ = *from++;
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|         }
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| 
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|       *to = '\0';
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|     }
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| 
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|   if ((self = [super initWithTitle:[NSString stringWithUTF8String:title ? : ""] action:@selector(didSelectItem:) keyEquivalent:@""]) != nil)
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|     {
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|       GMenuModel *submenu;
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| 
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|       g_menu_model_get_item_attribute (model, index, G_MENU_ATTRIBUTE_ACTION, "s", &action);
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|       target = g_menu_model_get_item_attribute_value (model, index, G_MENU_ATTRIBUTE_TARGET, NULL);
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|       actions = g_object_ref (observable);
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|       observer = gtk_quartz_action_observer_new (self);
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| 
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|       if ((submenu = g_menu_model_get_item_link (model, index, G_MENU_LINK_SUBMENU)))
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|         {
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|           [self setSubmenu:[[[GNSMenu alloc] initWithTitle:[NSString stringWithUTF8String:title] model:submenu actions:observable hasSeparators:YES] autorelease]];
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|           g_object_unref (submenu);
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|         }
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| 
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|       else if (action != NULL)
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|         {
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|           GtkAccelKey key;
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|           gchar *path;
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| 
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|           g_action_observable_register_observer (observable, action, G_ACTION_OBSERVER (observer));
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| 
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|           path = _gtk_accel_path_for_action (action, target);
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|           if (gtk_accel_map_lookup_entry (path, &key))
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|             {
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|               unichar character = gtk_quartz_model_menu_get_unichar (key.accel_key);
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| 
 | |
|               if (character)
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|                 {
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|                   NSUInteger modifiers = 0;
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| 
 | |
|                   if (key.accel_mods & GDK_SHIFT_MASK)
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|                     modifiers |= NSShiftKeyMask;
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| 
 | |
|                   if (key.accel_mods & GDK_MOD1_MASK)
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|                     modifiers |= NSAlternateKeyMask;
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| 
 | |
|                   if (key.accel_mods & GDK_CONTROL_MASK)
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|                     modifiers |= NSControlKeyMask;
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| 
 | |
|                   if (key.accel_mods & GDK_META_MASK)
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|                     modifiers |= NSCommandKeyMask;
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| 
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|                   [self setKeyEquivalent:[NSString stringWithCharacters:&character length:1]];
 | |
|                   [self setKeyEquivalentModifierMask:modifiers];
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|           g_free (path);
 | |
| 
 | |
|           [self setTarget:self];
 | |
| 
 | |
|           gboolean            enabled;
 | |
|           const GVariantType *parameterType;
 | |
|           GVariant           *state;
 | |
| 
 | |
|           if (g_action_group_query_action (actions, action, &enabled, ¶meterType, NULL, NULL, &state))
 | |
|             [self observableActionAddedWithParameterType:parameterType enabled:enabled state:state];
 | |
|           else
 | |
|             [self setEnabled:NO];
 | |
|         }
 | |
|     }
 | |
| 
 | |
|   g_free (title);
 | |
| 
 | |
|   return self;
 | |
| }
 | |
| 
 | |
| - (void)dealloc
 | |
| {
 | |
|   if (observer != NULL)
 | |
|     g_object_unref (observer);
 | |
| 
 | |
|   if (actions != NULL)
 | |
|     g_object_unref (actions);
 | |
| 
 | |
|   if (target != NULL)
 | |
|     g_variant_unref (target);
 | |
| 
 | |
|   g_free (action);
 | |
| 
 | |
|   [super dealloc];
 | |
| }
 | |
| 
 | |
| - (void)observableActionAddedWithParameterType:(const GVariantType *)parameterType enabled:(BOOL)enabled state:(GVariant *)state
 | |
| {
 | |
|   canActivate = (target == NULL && parameterType == NULL) ||
 | |
|                 (target != NULL && parameterType != NULL &&
 | |
|                  g_variant_is_of_type (target, parameterType));
 | |
| 
 | |
|   if (canActivate)
 | |
|     {
 | |
|       if (target != NULL && state != NULL)
 | |
|         {
 | |
|           [self setOnStateImage:[NSImage imageNamed:@"NSMenuRadio"]];
 | |
|           [self setState:g_variant_equal (state, target) ? NSOnState : NSOffState];
 | |
|         }
 | |
|       else if (state != NULL && g_variant_is_of_type (state, G_VARIANT_TYPE_BOOLEAN))
 | |
|         {
 | |
|           [self setOnStateImage:[NSImage imageNamed:@"NSMenuCheckmark"]];
 | |
|           [self setState:g_variant_get_boolean (state) ? NSOnState : NSOffState];
 | |
|         }
 | |
|       else
 | |
|         [self setState:NSOffState];
 | |
| 
 | |
|       [self setEnabled:enabled];
 | |
|     }
 | |
|   else
 | |
|     [self setEnabled:NO];
 | |
| }
 | |
| 
 | |
| - (void)observableActionEnabledChangedTo:(BOOL)enabled
 | |
| {
 | |
|   if (canActivate)
 | |
|     [self setEnabled:enabled];
 | |
| }
 | |
| 
 | |
| - (void)observableActionStateChangedTo:(GVariant *)state
 | |
| {
 | |
|   if (canActivate)
 | |
|     {
 | |
|       if (target != NULL)
 | |
|         [self setState:g_variant_equal (state, target) ? NSOnState : NSOffState];
 | |
|       else if (g_variant_is_of_type (state, G_VARIANT_TYPE_BOOLEAN))
 | |
|         [self setState:g_variant_get_boolean (state) ? NSOnState : NSOffState];
 | |
|     }
 | |
| }
 | |
| 
 | |
| - (void)observableActionRemoved
 | |
| {
 | |
|   if (canActivate)
 | |
|     [self setEnabled:NO];
 | |
| }
 | |
| 
 | |
| - (void)didSelectItem:(id)sender
 | |
| {
 | |
|   if (canActivate)
 | |
|     g_action_group_activate_action (actions, action, target);
 | |
| }
 | |
| 
 | |
| @end
 |