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KTextFieldCell.h
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KTextFieldCell.h
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// Copyright (c) 2010-2011, Rasmus Andersson. All rights reserved.
// Use of this source code is governed by a MIT-style license that can be
// found in the LICENSE file.
// KTextFieldCell customizes the look of the standard Cocoa text field.
// The border and focus ring are modified, as is the font baseline. Subclasses
// can override |drawInteriorWithFrame:inView:| to provide custom drawing for
// decorations, but they must make sure to call the superclass' implementation
// with a modified frame after performing any custom drawing.
@interface KTextFieldCell : NSTextFieldCell {
NSFont *font_;
BOOL hasCalledInitCommon_;
}
@end
// Methods intended to be overridden by subclasses, not part of the public API
// and should not be called outside of subclasses.
@interface KTextFieldCell (ProtectedMethods)
// Convenience initializer for subclasses which require simple initialization.
// Called after any of the three "designated initializers" has been called on
// super. If you override any of the "designated initializers" (initWithCoder:,
// initTextCell:, and initImageCell:.) you must make sure to call this method.
- (void)initCommon;
// Return the portion of the cell to show the text cursor over. The default
// implementation returns the full |cellFrame|. Subclasses should override this
// method if they add any decorations.
- (NSRect)textCursorFrameForFrame:(NSRect)cellFrame;
// Return the portion of the cell to use for text display. This corresponds to
// the frame with our added decorations sliced off. The default implementation
// returns the full |cellFrame|, as by default there are no decorations.
// Subclasses should override this method if they add any decorations.
- (NSRect)textFrameForFrame:(NSRect)cellFrame;
// Baseline adjust for the text in this cell. Defaults to 0. Subclasses should
// override as needed.
- (CGFloat)baselineAdjust;
// Radius of the corners of the field. Defaults to square corners (0.0).
- (CGFloat)cornerRadius;
// Returns YES if a light themed bezel should be drawn under the text field.
// Default implementation returns NO.
- (BOOL)shouldDrawBezel;
@end