Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
ImageAndTextCell.m
/* |
File: ImageAndTextCell.m |
Abstract: Unit test for SCSITask User Client interface to MMC authoring devices |
Version: 1.0 |
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*/ |
//----------------------------------------------------------------------------- |
// Includes |
//----------------------------------------------------------------------------- |
#import "ImageAndTextCell.h" |
//----------------------------------------------------------------------------- |
// Constants |
//----------------------------------------------------------------------------- |
#define kSlop 3 |
@implementation ImageAndTextCell |
//----------------------------------------------------------------------------- |
// dealloc |
//----------------------------------------------------------------------------- |
- ( void ) dealloc |
{ |
[ image release ]; |
image = nil; |
[ super dealloc ]; |
} |
//----------------------------------------------------------------------------- |
// copyWithZone: |
//----------------------------------------------------------------------------- |
- copyWithZone: ( NSZone * ) zone |
{ |
ImageAndTextCell * cell = ( ImageAndTextCell * ) [ super copyWithZone: zone ]; |
cell->image = [ image retain ]; |
return cell; |
} |
//----------------------------------------------------------------------------- |
// setImage: |
//----------------------------------------------------------------------------- |
- ( void ) setImage: ( NSImage * ) anImage |
{ |
if ( anImage != image ) |
{ |
[ image release ]; |
image = [ anImage retain ]; |
} |
} |
//----------------------------------------------------------------------------- |
// image: |
//----------------------------------------------------------------------------- |
- ( NSImage * ) image |
{ |
return [ [ image retain ] autorelease ]; |
} |
//----------------------------------------------------------------------------- |
// imageFrameForCellFrame: |
//----------------------------------------------------------------------------- |
/*- ( NSRect ) imageFrameForCellFrame: ( NSRect ) cellFrame |
{ |
NSRect rect = NSZeroRect; |
int textHeight = floor ( [ [ self font ] ascender] - [ [ self font ] descender ] ); |
if ( image != nil ) |
{ |
rect.size = cellFrame.size; |
rect.size.height -= textHeight; |
rect.size.width -= kSlop; |
rect.origin = cellFrame.origin; |
rect.origin.x += kSlop; |
rect.origin.y += textHeight; |
} |
return rect; |
} |
*/ |
//----------------------------------------------------------------------------- |
// editWithFrame: |
//----------------------------------------------------------------------------- |
- ( void ) editWithFrame: ( NSRect ) aRect |
inView: ( NSView * ) controlView |
editor: ( NSText * ) textObj |
delegate: ( id ) anObject |
event: ( NSEvent * ) theEvent |
{ |
NSRect textFrame = NSZeroRect; |
NSRect imageFrame = NSZeroRect; |
int textHeight = floor ( [ [ self font ] ascender] - [ [ self font ] descender ] ); |
NSDivideRect ( aRect, &textFrame, &imageFrame, textHeight, NSMinYEdge ); |
[ super editWithFrame: textFrame |
inView: controlView |
editor: textObj |
delegate: anObject |
event: theEvent ]; |
} |
//----------------------------------------------------------------------------- |
// selectWithFrame: |
//----------------------------------------------------------------------------- |
- ( void ) selectWithFrame: ( NSRect ) aRect |
inView: ( NSView * ) controlView |
editor: ( NSText * ) textObj |
delegate: ( id ) anObject |
start: ( NSInteger ) selStart |
length: ( NSInteger ) selLength |
{ |
NSRect textFrame; |
NSRect imageFrame; |
int textHeight = floor ( [ [ self font ] ascender] - [ [ self font ] descender ] ); |
NSDivideRect ( aRect, &textFrame, &imageFrame, textHeight, NSMinYEdge ); |
[ super selectWithFrame: textFrame |
inView: controlView |
editor: textObj |
delegate: anObject |
start: selStart |
length: selLength ]; |
} |
//----------------------------------------------------------------------------- |
// drawWithFrame: |
//----------------------------------------------------------------------------- |
- ( void ) drawWithFrame: ( NSRect ) cellFrame |
inView: ( NSView * ) controlView |
{ |
NSRect textFrame; |
if ( image != nil ) |
{ |
NSRect imageFrame; |
int textHeight = floor ( [ [ self font ] ascender] - [ [ self font ] descender ] ); |
BOOL isFlipped = [ controlView isFlipped ]; |
NSDivideRect ( cellFrame, &textFrame, &imageFrame, textHeight, NSMinYEdge ); |
if ( isFlipped ) |
{ |
textFrame.origin.y = cellFrame.size.height - textFrame.origin.y - 2 * textHeight; |
imageFrame.origin.y = cellFrame.size.height - imageFrame.origin.y - textHeight; |
} |
if ( [ self drawsBackground ] ) |
{ |
[ [ self backgroundColor ] set ]; |
NSRectFill ( imageFrame ); |
} |
[ image compositeToPoint: imageFrame.origin operation: NSCompositeSourceOver ]; |
} |
[ super drawWithFrame: textFrame inView: controlView ]; |
} |
//----------------------------------------------------------------------------- |
// cellSize |
//----------------------------------------------------------------------------- |
- ( NSSize ) cellSize |
{ |
NSSize cellSize = [ super cellSize ]; |
cellSize.width += ( image ? [ image size ].width : 0 ) + kSlop; |
return cellSize; |
} |
@end |
Copyright © 2009 Apple Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2009-07-24