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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef CHROME_BROWSER_UI_COCOA_STYLED_TEXT_FIELD_CELL_H_
6 #define CHROME_BROWSER_UI_COCOA_STYLED_TEXT_FIELD_CELL_H_
7 #pragma once
8 
9 #import <Cocoa/Cocoa.h>
10 
11 typedef enum {
12   StyledTextFieldCellRoundedAll = 0,
13   StyledTextFieldCellRoundedLeft = 1
14 } StyledTextFieldCellRoundedFlags;
15 
16 // StyledTextFieldCell customizes the look of the standard Cocoa text field.
17 // The border and focus ring are modified, as is the font baseline.  Subclasses
18 // can override |drawInteriorWithFrame:inView:| to provide custom drawing for
19 // decorations, but they must make sure to call the superclass' implementation
20 // with a modified frame after performing any custom drawing.
21 
22 @interface StyledTextFieldCell : NSTextFieldCell {
23 }
24 
25 @end
26 
27 // Methods intended to be overridden by subclasses, not part of the public API
28 // and should not be called outside of subclasses.
29 @interface StyledTextFieldCell (ProtectedMethods)
30 
31 // Return the portion of the cell to show the text cursor over.  The default
32 // implementation returns the full |cellFrame|.  Subclasses should override this
33 // method if they add any decorations.
34 - (NSRect)textCursorFrameForFrame:(NSRect)cellFrame;
35 
36 // Return the portion of the cell to use for text display.  This corresponds to
37 // the frame with our added decorations sliced off.  The default implementation
38 // returns the full |cellFrame|, as by default there are no decorations.
39 // Subclasses should override this method if they add any decorations.
40 - (NSRect)textFrameForFrame:(NSRect)cellFrame;
41 
42 // Baseline adjust for the text in this cell.  Defaults to 0.  Subclasses should
43 // override as needed.
44 - (CGFloat)baselineAdjust;
45 
46 // Radius of the corners of the field.  Defaults to square corners (0.0).
47 - (CGFloat)cornerRadius;
48 
49 // Which corners of the field to round.  Defaults to RoundedAll.
50 - (StyledTextFieldCellRoundedFlags)roundedFlags;
51 
52 // Returns YES if a light themed bezel should be drawn under the text field.
53 // Default implementation returns NO.
54 - (BOOL)shouldDrawBezel;
55 
56 @end
57 
58 #endif  // CHROME_BROWSER_UI_COCOA_STYLED_TEXT_FIELD_CELL_H_
59