Initial revision

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@1580 72102866-910b-0410-8b05-ffd578937521

Source/NSMenu.m

@@ -0,0 +1,233 @@
+/* 
+   NSMenu.m
+
+   The menu class
+
+   Copyright (C) 1996 Free Software Foundation, Inc.
+
+   Author:  Scott Christley <scottc@net-community.com>
+   Date: 1996
+   
+   This file is part of the GNUstep GUI Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   If you are interested in a warranty or support for this source code,
+   contact Scott Christley <scottc@net-community.com> for more information.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/ 
+
+#include <gnustep/gui/NSMenu.h>
+#include <Foundation/NSLock.h>
+#include <gnustep/base/NSCoder.h>
+
+@implementation NSMenu
+
+//
+// Class methods
+//
++ (void)initialize
+{
+  if (self == [NSMenu class])
+    {
+      // Initial version
+      [self setVersion:1];
+    }
+}
+
+//
+// Controlling Allocation Zones
+//
++ (NSZone *)menuZone
+{
+  return NULL;
+}
+
++ (void)setMenuZone:(NSZone *)zone
+{}
+
+//
+// Instance methods
+//
+//
+// Initializing a New NSMenu 
+//
+- init
+{
+  return [self initWithTitle:@""];
+}
+
+- (id)initWithTitle:(NSString *)aTitle
+{
+  window_title = aTitle;
+  menu_items = [NSMutableArray array];
+  return self;
+}
+
+//
+// Setting Up the Menu Commands 
+//
+- (id)addItemWithTitle:(NSString *)aString
+		action:(SEL)aSelector
+keyEquivalent:(NSString *)charCode
+{
+  NSMenuCell *m;
+  unsigned int mi;
+
+  m = [[NSMenuCell alloc] initTextCell:aString];
+  [m setAction:aSelector];
+  [menu_items addObject:m];
+
+  return m;
+}
+
+- (id)insertItemWithTitle:(NSString *)aString
+		   action:(SEL)aSelector
+keyEquivalent:(NSString *)charCode
+		   atIndex:(unsigned int)index
+{
+  NSMenuCell *m;
+  unsigned int mi;
+
+  m = [[NSMenuCell alloc] initTextCell:aString];
+  [m setAction:aSelector];
+  [menu_items insertObject:m atIndex:index];
+
+  return m;
+}
+
+- (NSArray *)itemArray
+{
+  return menu_items;
+}
+
+- (NSMatrix *)itemMatrix
+{
+  return nil;
+}
+
+- (void)setItemMatrix:(NSMatrix *)aMatrix
+{}
+
+//
+// Finding Menu Items 
+//
+- (id)cellWithTag:(int)aTag
+{
+  int i, j;
+  NSMenuCell *m, *found;
+
+  found = nil;
+  j = [menu_items count];
+  for (i = 0;i < j; ++i)
+    {
+      m = [menu_items objectAtIndex:i];
+      if ([m tag] == aTag) return m;
+      if ([m hasSubmenu])
+	found = [[m submenu] cellWithTag:aTag];
+      if (found) return found;
+    }
+  return found;
+}
+
+//
+// Building Submenus 
+//
+- (NSMenuCell *)setSubmenu:(NSMenu *)aMenu
+		   forItem:(NSMenuCell *)aCell
+{
+  int i, j;
+  NSMenuCell *m;
+
+  j = [menu_items count];
+  for (i = 0;i < j; ++i)
+    {
+      m = [menu_items objectAtIndex:i];
+      if (m == aCell)
+	{
+	  // Set the menucell's submenu
+	  [m setSubmenu:aMenu];
+
+	  // Return the menucell
+	  return m;
+	}
+    }
+  return nil;
+}
+
+- (void)submenuAction:(id)sender
+{}
+
+//
+// Managing NSMenu Windows 
+//
+- (NSMenu *)attachedMenu
+{
+  return nil;
+}
+
+- (BOOL)isAttached
+{
+  return NO;
+}
+
+- (BOOL)isTornOff
+{
+  return NO;
+}
+
+- (NSPoint)locationForSubmenu:(NSMenu *)aSubmenu
+{
+  return NSZeroPoint;
+}
+
+- (void)sizeToFit
+{}
+
+- (NSMenu *)supermenu
+{
+  return nil;
+}
+
+//
+// Displaying the Menu 
+//
+- (BOOL)autoenablesItems
+{
+  return NO;
+}
+
+- (void)setAutoenablesItems:(BOOL)flag
+{}
+
+//
+// NSCoding protocol
+//
+- (void)encodeWithCoder:aCoder
+{
+  [super encodeWithCoder:aCoder];
+
+  [aCoder encodeObject: menu_items];
+}
+
+- initWithCoder:aDecoder
+{
+  [super initWithCoder:aDecoder];
+
+  menu_items = [aDecoder decodeObject];
+
+  return self;
+}
+
+@end