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0fc899c47f
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@5529 72102866-910b-0410-8b05-ffd578937521
149 lines
3.1 KiB
Objective-C
149 lines
3.1 KiB
Objective-C
/*
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NSImageView.m
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Copyright (C) 1996 Free Software Foundation, Inc.
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Author: Ovidiu Predescu <ovidiu@net-community.com>
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Date: January 1998
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Updated by: Jonathan Gapen <jagapen@smithlab.chem.wisc.edu>
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Date: May 1999
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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 Library 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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*/
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#include <AppKit/NSDragging.h>
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#include <AppKit/NSImageCell.h>
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#include <AppKit/NSImageView.h>
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@implementation NSImageView
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+ (Class) cellClass
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{
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return [NSImageCell class];
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}
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- (id) init
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{
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return [self initWithFrame: NSZeroRect];
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}
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- (id) initWithFrame: (NSRect)aFrame
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{
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[super initWithFrame: aFrame];
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// allocate the image cell
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[self setCell: [[NSImageCell alloc] init]];
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// set the default values
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[self setImageAlignment: NSImageAlignCenter];
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[self setImageFrameStyle: NSImageFrameNone];
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[self setImageScaling: NSScaleProportionally];
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[self setEditable: YES];
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return self;
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}
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- (void) setImage: (NSImage *)image
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{
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[_cell setImage: image];
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[self updateCell: _cell];
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}
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- (void) setImageAlignment: (NSImageAlignment)align
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{
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[_cell setImageAlignment: align];
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[self updateCell: _cell];
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}
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- (void) setImageScaling: (NSImageScaling)scaling
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{
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[_cell setImageScaling: scaling];
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[self updateCell: _cell];
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}
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- (void) setImageFrameStyle: (NSImageFrameStyle)style
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{
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[_cell setImageFrameStyle: style];
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[self updateCell: _cell];
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}
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- (void) setEditable: (BOOL)flag
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{
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[_cell setEditable: flag];
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}
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- (NSImage *) image
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{
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return [_cell image];
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}
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- (NSImageAlignment) imageAlignment
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{
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return [_cell imageAlignment];
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}
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- (NSImageScaling) imageScaling
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{
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return [_cell imageScaling];
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}
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- (NSImageFrameStyle) imageFrameStyle
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{
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return [_cell imageFrameStyle];
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}
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- (BOOL) isEditable
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{
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return [_cell isEditable];
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}
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@end
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@implementation NSImageView (NSDraggingDestination)
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- (unsigned int) draggingEntered: (id <NSDraggingInfo>)sender
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{
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// FIX - should highlight to show that we are a valid target
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return NSDragOperationNone;
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}
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- (void) draggingExited: (id <NSDraggingInfo>)sender
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{
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// FIX - should remove highlighting
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}
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- (BOOL) prepareForDragOperation: (id <NSDraggingInfo>)sender
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{
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if ([self isEditable])
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return YES;
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else
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return NO;
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}
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- (BOOL) performDragOperation: (id <NSDraggingInfo>)sender
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{
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// FIX - should copy image data into image cell here
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return NO;
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}
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- (void) concludeDragOperation: (id <NSDraggingInfo>)sender
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{
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// FIX - should update refresh image here
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}
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@end
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