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/*
File: ImageAndTextCell.m
Abstract: Subclass of NSTextFieldCell which can display text and an image simultaneously.
Version: 1.0
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
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 Apple's 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 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.
Copyright (C) 2009 Apple Inc. All Rights Reserved.
*/
#import "ImageAndTextCell.h"
#import <AppKit/NSCell.h>
@implementation ImageAndTextCell
- (id)init {
if ((self = [super init])) {
[self setLineBreakMode:NSLineBreakByTruncatingTail];
[self setSelectable:YES];
}
return self;
}
- (void)dealloc {
[image release];
[super dealloc];
}
- (id)copyWithZone:(NSZone *)zone {
ImageAndTextCell *cell = (ImageAndTextCell *)[super copyWithZone:zone];
// The image ivar will be directly copied; we need to retain or copy it.
cell->image = [image retain];
return cell;
}
@synthesize image;
- (NSRect)imageRectForBounds:(NSRect)cellFrame {
NSRect result;
if (image != nil) {
result.size = [image size];
result.origin = cellFrame.origin;
result.origin.x += 3;
result.origin.y += ceil((cellFrame.size.height - result.size.height) / 2);
} else {
result = NSZeroRect;
}
return result;
}
// We could manually implement expansionFrameWithFrame:inView: and drawWithExpansionFrame:inView: or just properly implement titleRectForBounds to get expansion tooltips to automatically work for us
- (NSRect)titleRectForBounds:(NSRect)cellFrame {
NSRect result;
if (image != nil) {
CGFloat imageWidth = [image size].width;
result = cellFrame;
result.origin.x += (3 + imageWidth);
result.size.width -= (3 + imageWidth);
} else {
result = [super titleRectForBounds:cellFrame];
}
return result;
}
- (void)editWithFrame:(NSRect)aRect inView:(NSView *)controlView editor:(NSText *)textObj delegate:(id)anObject event:(NSEvent *)theEvent {
NSRect textFrame, imageFrame;
NSDivideRect (aRect, &imageFrame, &textFrame, 3 + [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:(NSInteger)selStart length:(NSInteger)selLength {
NSRect textFrame, imageFrame;
NSDivideRect (aRect, &imageFrame, &textFrame, 3 + [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) {
NSRect imageFrame;
NSSize imageSize = [image size];
NSDivideRect(cellFrame, &imageFrame, &cellFrame, 3 + imageSize.width, NSMinXEdge);
if ([self drawsBackground]) {
[[self backgroundColor] set];
NSRectFill(imageFrame);
}
imageFrame.origin.x += 3;
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 = [super cellSize];
if (image != nil) {
cellSize.width += [image size].width;
}
cellSize.width += 3;
return cellSize;
}
- (NSUInteger)hitTestForEvent:(NSEvent *)event inRect:(NSRect)cellFrame ofView:(NSView *)controlView {
NSPoint point = [controlView convertPoint:[event locationInWindow] fromView:nil];
// If we have an image, we need to see if the user clicked on the image portion.
if (image != nil) {
// This code closely mimics drawWithFrame:inView:
NSSize imageSize = [image size];
NSRect imageFrame;
NSDivideRect(cellFrame, &imageFrame, &cellFrame, 3 + imageSize.width, NSMinXEdge);
imageFrame.origin.x += 3;
imageFrame.size = imageSize;
// If the point is in the image rect, then it is a content hit
if (NSMouseInRect(point, imageFrame, [controlView isFlipped])) {
// We consider this just a content area. It is not trackable, nor it it editable text. If it was, we would or in the additional items.
// By returning the correct parts, we allow NSTableView to correctly begin an edit when the text portion is clicked on.
return NSCellHitContentArea;
}
}
// At this point, the cellFrame has been modified to exclude the portion for the image. Let the superclass handle the hit testing at this point.
return [super hitTestForEvent:event inRect:cellFrame ofView:controlView];
}
@end
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