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Current File : //usr/include/GNUstep/AppKit/NSPopUpButtonCell.h
/*
NSPopUpButtonCell.h
Cell for Popup list class
Copyright (C) 1999 Free Software Foundation, Inc.
Author: Michael Hanni <mhanni@sprintmail.com>
Date: 1999
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 Lesser 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _GNUstep_H_NSPopUpButtonCell
#define _GNUstep_H_NSPopUpButtonCell
#import <AppKit/AppKitDefines.h>
#import <AppKit/NSMenuItem.h>
#import <AppKit/NSMenuItemCell.h>
@class NSString;
@class NSMenu;
@class NSView;
APPKIT_EXPORT NSString *NSPopUpButtonCellWillPopUpNotification;
typedef enum {
NSPopUpNoArrow = 0,
NSPopUpArrowAtCenter = 1,
NSPopUpArrowAtBottom = 2
} NSPopUpArrowPosition;
@interface NSPopUpButtonCell : NSMenuItemCell
{
id <NSMenuItem> _selectedItem;
struct __pbcFlags {
unsigned int pullsDown: 1;
unsigned int preferredEdge: 3;
unsigned int usesItemFromMenu: 1;
unsigned int altersStateOfSelectedItem: 1;
unsigned int arrowPosition: 2;
} _pbcFlags;
}
// Initialization
/**
* Initialize with stringValue and pullDown. If pullDown is YES, the
* reciever will be a pulldown button.
*/
- (id) initTextCell: (NSString*)stringValue pullsDown: (BOOL)flag;
// Selection processing
/**
* The currently selected item in the reciever.
*/
- (id <NSMenuItem>) selectedItem;
/**
* Index of the currently selected item in the reciever.
*/
- (NSInteger) indexOfSelectedItem;
/**
* Synchronizes the title and the selected item. This sets
* the selected item to the title of the reciever.
*/
- (void) synchronizeTitleAndSelectedItem;
/**
* Select item in the reciever.
*/
- (void) selectItem: (id <NSMenuItem>)item;
/**
* Select item at the given index.
*/
- (void) selectItemAtIndex: (NSInteger)index;
/**
* Select the item with the given title.
*/
- (void) selectItemWithTitle: (NSString*)title;
/**
* Set title to aString.
*/
- (void) setTitle: (NSString*)aString;
// Getters and setters.
/**
* Set the menu for the popup.
*/
- (void) setMenu: (NSMenu*)menu;
/**
* Return the menu for the popup.
*/
- (NSMenu*) menu;
/**
* Set to YES to make the popup button a pull-down style control.
*/
- (void) setPullsDown: (BOOL)flag;
/**
* Returns YES, if this is a pull-down
*/
- (BOOL) pullsDown;
/**
* Set to YES, if the items are to be autoenabled.
*/
- (void) setAutoenablesItems: (BOOL)flag;
/**
* Returns YES, if the items are autoenabled.
*/
- (BOOL) autoenablesItems;
/**
* Set the preferred edge as described by edge. This is used
* to determine the edge which will open the popup when the screen
* is small.
*/
- (void) setPreferredEdge: (NSRectEdge)preferredEdge;
/**
* Return the preferred edge.
*/
- (NSRectEdge) preferredEdge;
/**
* Set to YES, if the reciever should use a menu item for its title. YES
* is the default.
*/
- (void) setUsesItemFromMenu: (BOOL)flag;
/**
* Returns YES, if the reciever uses a menu item for its title.
*/
- (BOOL) usesItemFromMenu;
/**
* Set to YES, if the state of the menu item selected in the reciever
* should be changed when it's selected.
*/
- (void) setAltersStateOfSelectedItem: (BOOL)flag;
/**
* Return YES, if the reciever changes the state of the item chosen by
* the user.
*/
- (BOOL) altersStateOfSelectedItem;
/**
* Returns the current arrow position of the reciever.
*/
- (NSPopUpArrowPosition) arrowPosition;
/**
* Sets the current arrow position of the reciever.
*/
- (void) setArrowPosition: (NSPopUpArrowPosition)pos;
// Item management
/**
* Add an item to the popup with title.
*/
- (void) addItemWithTitle: (NSString*)title;
/**
* Add a number of items to the reciever using the provided itemTitles array.
*/
- (void) addItemsWithTitles: (NSArray*)titles;
/**
* Adds an item with the given title at index. If an item already exists at
* index, it, and all items after it are advanced one position. Index needs
* to be within the valid range for the array of items in the popup button.
*/
- (void) insertItemWithTitle: (NSString*)title atIndex: (NSInteger)index;
/**
* Remove a given item based on its title.
*/
- (void) removeItemWithTitle: (NSString*)title;
/**
* Remove a given item based on its index, must be a valid index within the
* range for the item array of this popup.
*/
- (void) removeItemAtIndex: (NSInteger)index;
/**
* Purges all items from the popup.
*/
- (void) removeAllItems;
// Referencing items...
/**
* Item array of the reciever.
*/
- (NSArray*) itemArray;
/**
* Number of items in the reciever.
*/
- (NSInteger) numberOfItems;
/**
* Return the index of item in the item array of the reciever.
*/
- (NSInteger) indexOfItem: (id<NSMenuItem>)item;
/**
* Return index of the item with the given title.
*/
- (NSInteger) indexOfItemWithTitle: (NSString*)title;
/**
* Return index of the item with a tag equal to aTag.
*/
- (NSInteger) indexOfItemWithTag: (NSInteger)tag;
/**
* Index of the item whose menu item's representedObject is equal to obj.
*/
- (NSInteger) indexOfItemWithRepresentedObject: (id)obj;
/**
* Index of the item in the reciever whose target and action
* are equal to aTarget and actionSelector.
*/
- (NSInteger) indexOfItemWithTarget: (id)aTarget andAction: (SEL)actionSelector;
/**
* Return the item at index.
*/
- (id <NSMenuItem>) itemAtIndex: (NSInteger)index;
/**
* Return the item with title.
*/
- (id <NSMenuItem>) itemWithTitle: (NSString*)title;
/**
* Return the item listed last in the reciever.
*/
- (id <NSMenuItem>) lastItem;
// Title management
/**
* Set item title at the given index in the reciever.
*/
- (NSString*) itemTitleAtIndex: (NSInteger)index;
/**
* Returns an array containing all of the current item titles.
*/
- (NSArray*) itemTitles;
/**
* Returns the title of the currently selected item in the reciever.
*/
- (NSString*) titleOfSelectedItem;
/**
* Attach popup
*/
- (void) attachPopUpWithFrame: (NSRect)cellFrame inView: (NSView*)controlView;
/**
* Dismiss the reciever.
*/
- (void) dismissPopUp;
/**
* Perform the click operation with the given frame and controlView.
*/
- (void) performClickWithFrame: (NSRect)frame inView: (NSView*)controlView;
@end
#endif // _GNUstep_H_NSPopUpButtonCell
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