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Diffstat (limited to 'Liaison/ImageAndTextCell.m')
| -rw-r--r-- | Liaison/ImageAndTextCell.m | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/Liaison/ImageAndTextCell.m b/Liaison/ImageAndTextCell.m new file mode 100644 index 0000000..2a81bb6 --- /dev/null +++ b/Liaison/ImageAndTextCell.m @@ -0,0 +1,156 @@ +/* + ImageAndTextCell.m + Copyright (c) 2001-2002, Apple Computer, Inc., all rights reserved. + Author: Chuck Pisula + + Milestones: + Initially created 3/1/01 + + Subclass of NSTextFieldCell which can display text and an image simultaneously. +*/ + +/* + IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in + consideration of your agreement to the following terms, and your use, installation, + modification or redistribution of this Apple software constitutes acceptance of these + terms. If you do not agree with these terms, please do not use, install, modify or + redistribute this Apple software. + + In consideration of your agreement to abide by the following terms, and subject to these + terms, Apple grants you a personal, non-exclusive license, under AppleÕs copyrights in + this original Apple software (the "Apple Software"), to use, reproduce, modify and + redistribute the Apple Software, with or without modifications, in source and/or binary + forms; provided that if you redistribute the Apple Software in its entirety and without + modifications, you must retain this notice and the following text and disclaimers in all + such redistributions of the Apple Software. Neither the name, trademarks, service marks + or logos of Apple Computer, Inc. may be used to endorse or promote products derived from + the Apple Software without specific prior written permission from Apple. Except as expressly + stated in this notice, no other rights or licenses, express or implied, are granted by Apple + herein, including but not limited to any patent rights that may be infringed by your + derivative works or by other works in which the Apple Software may be incorporated. + + The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO WARRANTIES, + EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS + USE AND OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. + + IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, + REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND + WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR + OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#import "ImageAndTextCell.h" + +#define LEADINGEDGE 2 + +@implementation ImageAndTextCell + +- (void)dealloc +{ + [self setImage: nil]; + [super dealloc]; +} + +- copyWithZone: (NSZone *)zone +{ + ImageAndTextCell *cell; + + cell = (ImageAndTextCell *)[super copyWithZone: zone]; + [cell setImage: [self image]]; + return cell; +} + +- (NSRect)imageFrameForCellFrame: (NSRect)cellFrame +{ + if (image != nil) { + NSRect imageFrame; + imageFrame.size = [image size]; + imageFrame.origin = cellFrame.origin; + imageFrame.origin.x += LEADINGEDGE; + imageFrame.origin.y += + ceil((cellFrame.size.height - imageFrame.size.height) / 2); + return imageFrame; + } + else + return NSZeroRect; +} + +- (void)editWithFrame: (NSRect)aRect + inView: (NSView *)controlView + editor: (NSText *)textObj + delegate: (id)anObject + event: (NSEvent *)theEvent +{ + NSRect textFrame, imageFrame; + + NSDivideRect(aRect, &imageFrame, &textFrame, + LEADINGEDGE + [image size].width, NSMinXEdge); + [super editWithFrame: textFrame inView: controlView editor: textObj delegate: anObject event: theEvent]; +} + +- (void)selectWithFrame: (NSRect)aRect + inView: (NSView *)controlView + editor: (NSText *)textObj + delegate: (id)anObject + start: (int)selStart + length: (int)selLength +{ + NSRect textFrame, imageFrame; + + NSDivideRect (aRect, &imageFrame, &textFrame, LEADINGEDGE + [image size].width, NSMinXEdge); + [super selectWithFrame: textFrame inView: controlView editor:textObj delegate:anObject start:selStart length:selLength]; +} + +- (void)drawWithFrame: (NSRect)cellFrame inView: (NSView *)controlView +{ + if (image != nil) { + NSSize imageSize; + NSRect imageFrame; + + imageSize = [image size]; + NSDivideRect(cellFrame, &imageFrame, &cellFrame, LEADINGEDGE + imageSize.width, NSMinXEdge); + if ([self drawsBackground]) { + [[self backgroundColor] set]; + NSRectFill(imageFrame); + } + imageFrame.origin.x += LEADINGEDGE; + imageFrame.size = imageSize; + + if ([controlView isFlipped]) + imageFrame.origin.y += + ceil((cellFrame.size.height + imageFrame.size.height) / 2); + else + imageFrame.origin.y += + ceil((cellFrame.size.height - imageFrame.size.height) / 2); + + [image compositeToPoint: imageFrame.origin operation: NSCompositeSourceOver]; + } + [super drawWithFrame: cellFrame inView: controlView]; +} + +- (NSSize)cellSize +{ + NSSize cellSize; + + cellSize = [super cellSize]; + cellSize.width += (image ? [image size].width : 0) + LEADINGEDGE; + return cellSize; +} +@end + +@implementation ImageAndTextCell (Accessors) +- (NSImage *)image +{ + return image; +} + +- (void)setImage: (NSImage *)anImage +{ + [anImage retain]; + [image release]; + image = anImage; +} +@end
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