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https://github.com/gnustep/libs-gui.git
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9f4fd26405
Patch by Anibal Rindisbacher <anibal784@gmail.com>. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@30026 72102866-910b-0410-8b05-ffd578937521
413 lines
9.1 KiB
Objective-C
413 lines
9.1 KiB
Objective-C
/** <title>NSActionCell</title>
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<abstract>Abstract cell for target/action paradigm</abstract>
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Copyright (C) 1996-1999 Free Software Foundation, Inc.
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Author: Scott Christley <scottc@net-community.com>
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Date: 1996
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This file is part of the GNUstep GUI Library.
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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 License, or (at your option) any later version.
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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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You should have received a copy of the GNU Lesser General Public
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License along with this library; see the file COPYING.LIB.
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If not, see <http://www.gnu.org/licenses/> or write to the
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Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#import "config.h"
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#import <Foundation/NSCoder.h>
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#import "AppKit/NSActionCell.h"
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#import "AppKit/NSControl.h"
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@implementation NSActionCell
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static Class controlClass;
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/*
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* Class methods
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*/
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+ (void) initialize
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{
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if (self == [NSActionCell class])
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{
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controlClass = [NSControl class];
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[self setVersion: 1];
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}
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}
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/*
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* Instance methods
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*/
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/*
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* Configuring an NSActionCell
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*/
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/**
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* Sets the alignment of text within the receiver.
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*/
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- (void) setAlignment: (NSTextAlignment)mode
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{
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[super setAlignment: mode];
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if (_control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view updateCell: self];
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}
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/**
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* If <code>YES</code> then the receiver is drawn with a bezeled border.
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*/
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- (void) setBezeled: (BOOL)flag
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{
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_cell.is_bezeled = flag;
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if (_cell.is_bezeled)
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_cell.is_bordered = NO;
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if (_control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view updateCell: self];
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}
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/**
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* If <code>YES</code> then receiver is drawn with a border.
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*/
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- (void) setBordered: (BOOL)flag
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{
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_cell.is_bordered = flag;
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if (_cell.is_bordered)
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_cell.is_bezeled = NO;
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if (_control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view updateCell: self];
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}
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/**
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* If <code>YES</code> then the receiver is capable of accepting input.
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*/
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- (void) setEnabled: (BOOL)flag
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{
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_cell.is_disabled = !flag;
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if (_control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view updateCell: self];
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}
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- (void) setFloatingPointFormat: (BOOL)autoRange
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left: (unsigned int)leftDigits
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right: (unsigned int)rightDigits
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{
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[super setFloatingPointFormat: autoRange
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left: leftDigits
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right: rightDigits];
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if (_control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view updateCell: self];
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}
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/**
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* Sets the font to be used in the receiver.
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*/
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- (void) setFont: (NSFont*)fontObject
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{
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[super setFont: fontObject];
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if (_control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view updateCell: self];
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// TODO: This should also set the font of the text object, when selected
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}
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/**
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* Sets the image to be displayed in the receiver.
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*/
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- (void) setImage: (NSImage*)image
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{
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[super setImage: image];
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if (_control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view updateCell: self];
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}
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/*
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* Manipulating NSActionCell Values
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*/
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/**
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* Retrieve the value of the receiver
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*/
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- (id) objectValue
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{
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if (_cell.in_editing && _control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view validateEditing];
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return [super objectValue];
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}
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/**
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* Retrieve the value of the receiver as an NSAttributedString.
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*/
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- (NSAttributedString*) attributedStringValue
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{
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if (_cell.in_editing && _control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view validateEditing];
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return [super attributedStringValue];
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}
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/**
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* Retrieve the value of the receiver as an NSString.
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*/
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- (NSString *) stringValue
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{
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if (_cell.in_editing && _control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view validateEditing];
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return [super stringValue];
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}
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/**
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* Retrieve the value of the receiver as a double.
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*/
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- (double) doubleValue
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{
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if (_cell.in_editing && _control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view validateEditing];
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return [super doubleValue];
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}
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/**
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* Retrieve the value of the receiver as a float.
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*/
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- (float) floatValue
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{
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if (_cell.in_editing && _control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view validateEditing];
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return [super floatValue];
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}
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/**
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* Retrieve the value of the receiver as an int.
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*/
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- (int) intValue
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{
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if (_cell.in_editing && _control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view validateEditing];
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return [super intValue];
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}
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/**
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* Retrieve the value of the receiver as an NSInteger.
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*/
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- (NSInteger) integerValue
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{
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if (_cell.in_editing && _control_view)
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if ([_control_view isKindOfClass: controlClass])
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[(NSControl *)_control_view validateEditing];
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return [super integerValue];
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}
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/**
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* Set the value of the receiver from anObject.
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*/
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- (void) setObjectValue: (id)anObject
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{
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[super setObjectValue: anObject];
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if (_control_view)
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{
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if ([_control_view isKindOfClass: controlClass])
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{
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if (_cell.in_editing)
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{
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[self _updateFieldEditor:
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[(NSControl *)_control_view currentEditor]];
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}
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else
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{
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[(NSControl *)_control_view updateCell: self];
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}
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}
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}
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}
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/**
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* Set the value of the receiver from aString.
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*/
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// This method is currently needed, as NSCells implementation
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// sometimes does not call setObjectValue:
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- (void) setStringValue: (NSString*)aString
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{
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[super setStringValue: aString];
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if (_control_view)
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{
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if ([_control_view isKindOfClass: controlClass])
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{
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if (_cell.in_editing)
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{
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[self _updateFieldEditor:
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[(NSControl *)_control_view currentEditor]];
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}
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else
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{
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[(NSControl *)_control_view updateCell: self];
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}
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}
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}
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}
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/*
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* Target and Action
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*/
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/**
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* Retrieve the action from the receiver.
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*/
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- (SEL) action
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{
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return _action;
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}
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/**
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* Set the action in the receiver as the selector aSelector.
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*/
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- (void) setAction: (SEL)aSelector
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{
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_action = aSelector;
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}
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/**
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* Set the target in the receiver as anObject. NSActionCell does not retain its target!
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*/
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- (void) setTarget: (id)anObject
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{
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_target = anObject;
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}
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/**
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* Return the target of the receiver.
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*/
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- (id) target
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{
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return _target;
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}
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/**
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* Assigning a Tag.
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*/
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- (void) setTag: (NSInteger)anInt
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{
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_tag = anInt;
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}
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/**
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* Return the tag.
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*/
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- (NSInteger) tag
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{
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return _tag;
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}
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/**
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* Returns the control view of the receiver.
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*/
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-(NSView *) controlView
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{
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return _control_view;
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}
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/**
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* Set the control view of the receiver.
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*/
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- (void) setControlView: (NSView*)view
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{
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_control_view = view;
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}
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- (void) drawWithFrame: (NSRect)cellFrame inView: (NSView*)controlView
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{
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if (_control_view != controlView)
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_control_view = controlView;
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[super drawWithFrame: cellFrame
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inView: controlView];
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}
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/*
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* NSCoding protocol
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*/
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- (void) encodeWithCoder: (NSCoder*)aCoder
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{
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[super encodeWithCoder: aCoder];
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if ([aCoder allowsKeyedCoding])
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{
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[aCoder encodeInt: [self tag] forKey: @"NSTag"];
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if ([self target] != nil)
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{
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[aCoder encodeObject: [self target] forKey: @"NSTarget"];
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}
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if ([self action] != NULL)
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{
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[aCoder encodeObject: NSStringFromSelector([self action]) forKey: @"NSAction"];
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}
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[aCoder encodeObject: _control_view forKey: @"NSControlView"];
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}
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else
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{
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[aCoder encodeValueOfObjCType: @encode(int) at: &_tag];
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[aCoder encodeConditionalObject: _target];
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[aCoder encodeValueOfObjCType: @encode(SEL) at: &_action];
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// This is only encoded for backward compatibility and won't be decoded.
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[aCoder encodeConditionalObject: nil];
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}
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}
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- (id) initWithCoder: (NSCoder*)aDecoder
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{
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self = [super initWithCoder: aDecoder];
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if (!self)
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return nil;
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if ([aDecoder allowsKeyedCoding])
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{
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if ([aDecoder containsValueForKey: @"NSTag"])
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{
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[self setTag: [aDecoder decodeIntForKey: @"NSTag"]];
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}
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if ([aDecoder containsValueForKey: @"NSTarget"])
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{
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[self setTarget: [aDecoder decodeObjectForKey: @"NSTarget"]];
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}
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if ([aDecoder containsValueForKey: @"NSAction"])
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{
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NSString *action = [aDecoder decodeObjectForKey: @"NSAction"];
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[self setAction: NSSelectorFromString(action)];
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}
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}
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else
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{
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id dummy;
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[aDecoder decodeValueOfObjCType: @encode(int) at: &_tag];
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_target = [aDecoder decodeObject];
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[aDecoder decodeValueOfObjCType: @encode(SEL) at: &_action];
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// Don't decode _control_view, as this may no longer be valid.
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dummy = [aDecoder decodeObject];
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}
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return self;
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}
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@end
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