TODO Description
*/ @implementation NSBrowserCell /* * Class methods */ + (void) initialize { if (self == [NSBrowserCell class]) { [self setVersion: 1]; /* * Cache classes to avoid overheads of poor compiler implementation. */ _colorClass = [NSColor class]; // A GNUstep experimental feature if ([[NSUserDefaults standardUserDefaults] boolForKey: @"GSBrowserCellFontify"]) { _gsFontifyCells = YES; _nonLeafFont = RETAIN ([NSFont boldSystemFontOfSize: 0]); _leafFont = RETAIN ([NSFont systemFontOfSize: 0]); } } } /**Returns the default branch image. Currently, it's an arrow.
*See Also: +highlightedBranchImage
*/ + (NSImage*) branchImage { return [[GSTheme theme] branchImage]; } /**Returns the default hightlited branch image
*See Also: +branchImage
*/ + (NSImage*) highlightedBranchImage { return [[GSTheme theme] highlightedBranchImage]; } /* * Instance methods */ - (id) initTextCell: (NSString *)aString { self = [super initTextCell: aString]; if (nil == self) return self; //_alternateImage = nil; //_browsercell_is_leaf = NO; //_browsercell_is_loaded = NO; [self setLineBreakMode: NSLineBreakByTruncatingTail]; if (_gsFontifyCells) [self setFont: _nonLeafFont]; return self; } - (id) initImageCell: (NSImage *)anImage { self = [super initImageCell: anImage]; if (nil == self) return self; //_alternateImage = nil; //_browsercell_is_leaf = NO; //_browsercell_is_loaded = NO; [self setLineBreakMode: NSLineBreakByTruncatingTail]; if (_gsFontifyCells) [self setFont: _nonLeafFont]; return self; } - (void) dealloc { TEST_RELEASE (_alternateImage); [super dealloc]; } - (id) copyWithZone: (NSZone*)zone { NSBrowserCell *c = [super copyWithZone: zone]; _alternateImage = TEST_RETAIN (_alternateImage); //c->_browsercell_is_leaf = _browsercell_is_leaf; //c->_browsercell_is_loaded = _browsercell_is_loaded; return c; } /**Returns the alternate image in the NSBrowserCell (used when the cell is highlighted)
See Also: -setAlternateImage:
*/ - (NSImage*) alternateImage { return _alternateImage; } /**Sets the altenate image (used when the cell is highlighted) to anImage *
See Also: -alternateImage
*/ - (void) setAlternateImage: (NSImage *)anImage { ASSIGN(_alternateImage, anImage); } - (NSImage*) image { /** * NSCell implementation requires our type to be an image cell which * is not desirable for NSBrowserCell. See also comment in setType: */ return _cell_image; } - (void) setImage: (NSImage*)anImage { /** * NSCell implementation changes our type to an image cell which * is not desirable for NSBrowserCell. See also comment in setType: */ ASSIGN (_cell_image, anImage); } - (NSColor *)highlightColorInView: (NSView *)controlView { return [_colorClass selectedControlColor]; } /**Returns whether the browserCell is a leaf. A leaf cell has usually no * image. This method is used by NSBrowser in several methods, for example * to know if a column should be added; when the user selects a browser cell * (a branch or a leaf)
*See Also: -setLeaf:
*/ - (BOOL) isLeaf { return _browsercell_is_leaf; } /**Sets whether the cell is a leaf. This method is usally used in the * NSBrowser's delegate methods
*See Also: -isLeaf
*/ - (void) setLeaf: (BOOL)flag { if (_browsercell_is_leaf == flag) return; _browsercell_is_leaf = flag; if (_gsFontifyCells) { if (_browsercell_is_leaf) { [self setFont: _leafFont]; } else { [self setFont: _nonLeafFont]; } } } /**Returns whether the NSBrowseCell state is set and is ready for display
See Also: -setLoaded:
*/ - (BOOL) isLoaded { return _browsercell_is_loaded; } /**Sets whether the NSBrowseCell state is set and is ready for display
*See Also: -isLoaded
*/ - (void) setLoaded: (BOOL)flag { _browsercell_is_loaded = flag; } /** *Unhighlights the cell and sets the cell's state to NO
*See Also: -set
*/ - (void) reset { _cell.is_highlighted = NO; _cell.state = NO; } /**Highlights the cell and sets the cell's state to YES
*See Also: -reset
*/ - (void) set { _cell.is_highlighted = YES; _cell.state = YES; } - (void) setType: (NSCellType)aType { /* We do nothing here (we match the Mac OS X behavior) because with * NSBrowserCell GNUstep implementation the cell may contain an image * and text at the same time. */ } - (NSRect) titleRectForBounds: (NSRect)theRect { NSRect titleRect = [super titleRectForBounds: theRect]; NSImage *branch_image = nil; NSImage *cell_image = [self image]; if (_cell.is_highlighted || _cell.state) { if (!_browsercell_is_leaf) { branch_image = [object_getClass(self) highlightedBranchImage]; } if (nil != [self alternateImage]) { cell_image = [self alternateImage]; } } else { if (!_browsercell_is_leaf) { branch_image = [object_getClass(self) branchImage]; } } if (branch_image) { NSRect imgRect; imgRect.size = [branch_image size]; titleRect.size.width -= imgRect.size.width + 8; } if (cell_image) { NSRect imgRect; imgRect.size = [cell_image size]; titleRect.origin.x += imgRect.size.width + 4; titleRect.size.width -= imgRect.size.width + 4; } // Skip 2 points from the left border titleRect.origin.x += 2; titleRect.size.width -= 2; return titleRect; } /* * Displaying */ - (void) drawInteriorWithFrame: (NSRect)cellFrame inView: (NSView *)controlView { [[GSTheme theme] drawBrowserInteriorWithFrame: cellFrame withCell: self inView: controlView withImage: [self image] alternateImage: [self alternateImage] isHighlighted: [self isHighlighted] state: [self state] isLeaf: [self isLeaf]]; } /* * NSCoding protocol */ - (void) encodeWithCoder: (NSCoder*)aCoder { [super encodeWithCoder: aCoder]; if ([aCoder allowsKeyedCoding]) { // simply encodes prescence... } else { BOOL tmp; tmp = _browsercell_is_leaf; [aCoder encodeValueOfObjCType: @encode(BOOL) at: &tmp]; tmp = _browsercell_is_loaded; [aCoder encodeValueOfObjCType: @encode(BOOL) at: &tmp]; [aCoder encodeObject: _alternateImage]; } } - (id) initWithCoder: (NSCoder*)aDecoder { self = [super initWithCoder: aDecoder]; if (nil == self) return self; if ([aDecoder allowsKeyedCoding]) { // Nothing to decode... } else { BOOL tmp; [aDecoder decodeValueOfObjCType: @encode(BOOL) at: &tmp]; [self setLeaf: tmp]; [aDecoder decodeValueOfObjCType: @encode(BOOL) at: &tmp]; [self setLoaded: tmp]; [aDecoder decodeValueOfObjCType: @encode(id) at: &_alternateImage]; } return self; } @end