blob: 1acac18e4cecd6a76c62a5973107d44d8d15df5b [file] [log] [blame]
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "chrome/browser/ui/cocoa/styled_text_field.h"
#include "base/logging.h"
#import "chrome/browser/ui/cocoa/styled_text_field_cell.h"
@implementation StyledTextField
- (StyledTextFieldCell*)styledTextFieldCell {
DCHECK([[self cell] isKindOfClass:[StyledTextFieldCell class]]);
return static_cast<StyledTextFieldCell*>([self cell]);
// Cocoa text fields are edited by placing an NSTextView as subview,
// positioned by the cell's -editWithFrame:inView:... method. Using
// the standard -makeFirstResponder: machinery to reposition the field
// editor results in resetting the field editor's editing state, which
// OmniboxViewMac monitors. This causes problems because
// editing can require the field editor to be repositioned, which
// could disrupt editing. This code repositions the subview directly,
// which causes no editing-state changes.
- (void)resetFieldEditorFrameIfNeeded {
// No action if not editing.
NSText* editor = [self currentEditor];
if (!editor) {
// When editing, we should have exactly one subview, which is a
// clipview containing the editor (for purposes of scrolling).
NSArray* subviews = [self subviews];
DCHECK_EQ([subviews count], 1U);
DCHECK([editor isDescendantOf:self]);
if ([subviews count] == 0) {
// If the frame is already right, don't make any visible changes.
StyledTextFieldCell* cell = [self styledTextFieldCell];
const NSRect frame([cell drawingRectForBounds:[self bounds]]);
NSView* subview = [subviews objectAtIndex:0];
if (NSEqualRects(frame, [subview frame])) {
[subview setFrame:frame];
// Make sure the selection remains visible.
[editor scrollRangeToVisible:[editor selectedRange]];
- (CGFloat)availableDecorationWidth {
NSAttributedString* as = [self attributedStringValue];
const NSSize size([as size]);
const NSRect bounds([self bounds]);
return NSWidth(bounds) - size.width;
- (NSFocusRingType)focusRingType {
// This is taken care of by the custom drawing code in the cell.
return NSFocusRingTypeNone;
// Due to theming, parts of the field are transparent.
- (BOOL)isOpaque {
return NO;