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| 1 /* |
| 2 File: ImageAndTextCell.m |
| 3 Abstract: Subclass of NSTextFieldCell which can display text and an image simul
taneously. |
| 4 Version: 1.0 |
| 5 |
| 6 Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple |
| 7 Inc. ("Apple") in consideration of your agreement to the following |
| 8 terms, and your use, installation, modification or redistribution of |
| 9 this Apple software constitutes acceptance of these terms. If you do |
| 10 not agree with these terms, please do not use, install, modify or |
| 11 redistribute this Apple software. |
| 12 |
| 13 In consideration of your agreement to abide by the following terms, and |
| 14 subject to these terms, Apple grants you a personal, non-exclusive |
| 15 license, under Apple's copyrights in this original Apple software (the |
| 16 "Apple Software"), to use, reproduce, modify and redistribute the Apple |
| 17 Software, with or without modifications, in source and/or binary forms; |
| 18 provided that if you redistribute the Apple Software in its entirety and |
| 19 without modifications, you must retain this notice and the following |
| 20 text and disclaimers in all such redistributions of the Apple Software. |
| 21 Neither the name, trademarks, service marks or logos of Apple Inc. may |
| 22 be used to endorse or promote products derived from the Apple Software |
| 23 without specific prior written permission from Apple. Except as |
| 24 expressly stated in this notice, no other rights or licenses, express or |
| 25 implied, are granted by Apple herein, including but not limited to any |
| 26 patent rights that may be infringed by your derivative works or by other |
| 27 works in which the Apple Software may be incorporated. |
| 28 |
| 29 The Apple Software is provided by Apple on an "AS IS" basis. APPLE |
| 30 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION |
| 31 THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS |
| 32 FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND |
| 33 OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. |
| 34 |
| 35 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL |
| 36 OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 37 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 38 INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, |
| 39 MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED |
| 40 AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), |
| 41 STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE |
| 42 POSSIBILITY OF SUCH DAMAGE. |
| 43 |
| 44 Copyright (C) 2009 Apple Inc. All Rights Reserved. |
| 45 |
| 46 */ |
| 47 |
| 48 |
| 49 #import "ImageAndTextCell.h" |
| 50 #import <AppKit/NSCell.h> |
| 51 |
| 52 @implementation ImageAndTextCell |
| 53 |
| 54 - (id)init { |
| 55 if ((self = [super init])) { |
| 56 [self setLineBreakMode:NSLineBreakByTruncatingTail]; |
| 57 [self setSelectable:YES]; |
| 58 } |
| 59 return self; |
| 60 } |
| 61 |
| 62 - (void)dealloc { |
| 63 [image release]; |
| 64 [super dealloc]; |
| 65 } |
| 66 |
| 67 - (id)copyWithZone:(NSZone *)zone { |
| 68 ImageAndTextCell *cell = (ImageAndTextCell *)[super copyWithZone:zone]; |
| 69 // The image ivar will be directly copied; we need to retain or copy it. |
| 70 cell->image = [image retain]; |
| 71 return cell; |
| 72 } |
| 73 |
| 74 @synthesize image; |
| 75 |
| 76 - (NSRect)imageRectForBounds:(NSRect)cellFrame { |
| 77 NSRect result; |
| 78 if (image != nil) { |
| 79 result.size = [image size]; |
| 80 result.origin = cellFrame.origin; |
| 81 result.origin.x += 3; |
| 82 result.origin.y += ceil((cellFrame.size.height - result.size.height) / 2); |
| 83 } else { |
| 84 result = NSZeroRect; |
| 85 } |
| 86 return result; |
| 87 } |
| 88 |
| 89 // We could manually implement expansionFrameWithFrame:inView: and drawWithExpan
sionFrame:inView: or just properly implement titleRectForBounds to get expansion
tooltips to automatically work for us |
| 90 - (NSRect)titleRectForBounds:(NSRect)cellFrame { |
| 91 NSRect result; |
| 92 if (image != nil) { |
| 93 CGFloat imageWidth = [image size].width; |
| 94 result = cellFrame; |
| 95 result.origin.x += (3 + imageWidth); |
| 96 result.size.width -= (3 + imageWidth); |
| 97 } else { |
| 98 result = [super titleRectForBounds:cellFrame]; |
| 99 } |
| 100 return result; |
| 101 } |
| 102 |
| 103 - (void)editWithFrame:(NSRect)aRect inView:(NSView *)controlView editor:(NSText
*)textObj delegate:(id)anObject event:(NSEvent *)theEvent { |
| 104 NSRect textFrame, imageFrame; |
| 105 NSDivideRect (aRect, &imageFrame, &textFrame, 3 + [image size].width, NSMinXEd
ge); |
| 106 [super editWithFrame: textFrame inView: controlView editor:textObj delegate:an
Object event: theEvent]; |
| 107 } |
| 108 |
| 109 - (void)selectWithFrame:(NSRect)aRect inView:(NSView *)controlView editor:(NSTex
t *)textObj delegate:(id)anObject start:(NSInteger)selStart length:(NSInteger)se
lLength { |
| 110 NSRect textFrame, imageFrame; |
| 111 NSDivideRect (aRect, &imageFrame, &textFrame, 3 + [image size].width, NSMinXEd
ge); |
| 112 [super selectWithFrame: textFrame inView: controlView editor:textObj delegate:
anObject start:selStart length:selLength]; |
| 113 } |
| 114 |
| 115 - (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView { |
| 116 if (image != nil) { |
| 117 NSRect imageFrame; |
| 118 NSSize imageSize = [image size]; |
| 119 NSDivideRect(cellFrame, &imageFrame, &cellFrame, 3 + imageSize.width, NSMinX
Edge); |
| 120 if ([self drawsBackground]) { |
| 121 [[self backgroundColor] set]; |
| 122 NSRectFill(imageFrame); |
| 123 } |
| 124 imageFrame.origin.x += 3; |
| 125 imageFrame.size = imageSize; |
| 126 |
| 127 if ([controlView isFlipped]) { |
| 128 imageFrame.origin.y += ceil((cellFrame.size.height + imageFrame.size.heigh
t) / 2); |
| 129 } else { |
| 130 imageFrame.origin.y += ceil((cellFrame.size.height - imageFrame.size.heigh
t) / 2); |
| 131 } |
| 132 |
| 133 [image compositeToPoint:imageFrame.origin operation:NSCompositeSourceOver]; |
| 134 } |
| 135 [super drawWithFrame:cellFrame inView:controlView]; |
| 136 } |
| 137 |
| 138 - (NSSize)cellSize { |
| 139 NSSize cellSize = [super cellSize]; |
| 140 if (image != nil) { |
| 141 cellSize.width += [image size].width; |
| 142 } |
| 143 cellSize.width += 3; |
| 144 return cellSize; |
| 145 } |
| 146 |
| 147 - (NSUInteger)hitTestForEvent:(NSEvent *)event inRect:(NSRect)cellFrame ofView:(
NSView *)controlView { |
| 148 NSPoint point = [controlView convertPoint:[event locationInWindow] fromView:ni
l]; |
| 149 // If we have an image, we need to see if the user clicked on the image portio
n. |
| 150 if (image != nil) { |
| 151 // This code closely mimics drawWithFrame:inView: |
| 152 NSSize imageSize = [image size]; |
| 153 NSRect imageFrame; |
| 154 NSDivideRect(cellFrame, &imageFrame, &cellFrame, 3 + imageSize.width, NSMinX
Edge); |
| 155 |
| 156 imageFrame.origin.x += 3; |
| 157 imageFrame.size = imageSize; |
| 158 // If the point is in the image rect, then it is a content hit |
| 159 if (NSMouseInRect(point, imageFrame, [controlView isFlipped])) { |
| 160 // We consider this just a content area. It is not trackable, nor it it ed
itable text. If it was, we would or in the additional items. |
| 161 // By returning the correct parts, we allow NSTableView to correctly begin
an edit when the text portion is clicked on. |
| 162 return NSCellHitContentArea; |
| 163 } |
| 164 } |
| 165 // At this point, the cellFrame has been modified to exclude the portion for t
he image. Let the superclass handle the hit testing at this point. |
| 166 return [super hitTestForEvent:event inRect:cellFrame ofView:controlView]; |
| 167 } |
| 168 |
| 169 |
| 170 @end |
| 171 |
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