| Index: chrome/browser/ui/cocoa/menu_tracked_button.mm
|
| ===================================================================
|
| --- chrome/browser/ui/cocoa/menu_tracked_button.mm (revision 71447)
|
| +++ chrome/browser/ui/cocoa/menu_tracked_button.mm (working copy)
|
| @@ -1,118 +0,0 @@
|
| -// Copyright (c) 2010 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/menu_tracked_button.h"
|
| -
|
| -#include <cmath>
|
| -
|
| -@interface MenuTrackedButton (Private)
|
| -- (void)doHighlight:(BOOL)highlight;
|
| -- (void)checkMouseInRect;
|
| -- (NSRect)insetBounds;
|
| -- (BOOL)shouldHighlightOnHover;
|
| -@end
|
| -
|
| -@implementation MenuTrackedButton
|
| -
|
| -@synthesize tracking = tracking_;
|
| -
|
| -- (void)updateTrackingAreas {
|
| - [super updateTrackingAreas];
|
| - [self removeTrackingRect:trackingTag_];
|
| - trackingTag_ = [self addTrackingRect:NSInsetRect([self bounds], 1, 1)
|
| - owner:self
|
| - userData:NULL
|
| - assumeInside:NO];
|
| -}
|
| -
|
| -- (void)viewDidMoveToWindow {
|
| - [self updateTrackingAreas];
|
| - [self doHighlight:NO];
|
| -}
|
| -
|
| -- (void)mouseEntered:(NSEvent*)theEvent {
|
| - if (!tracking_) {
|
| - didEnter_ = YES;
|
| - }
|
| - [self doHighlight:YES];
|
| - [super mouseEntered:theEvent];
|
| -}
|
| -
|
| -- (void)mouseExited:(NSEvent*)theEvent {
|
| - didEnter_ = NO;
|
| - tracking_ = NO;
|
| - [self doHighlight:NO];
|
| - [super mouseExited:theEvent];
|
| -}
|
| -
|
| -- (void)mouseDragged:(NSEvent*)theEvent {
|
| - tracking_ = !didEnter_;
|
| -
|
| - NSPoint point = [self convertPoint:[theEvent locationInWindow] fromView:nil];
|
| - BOOL highlight = NSPointInRect(point, [self insetBounds]);
|
| - [self doHighlight:highlight];
|
| -
|
| - // If tracking in non-sticky mode, poll the mouse cursor to see if it is still
|
| - // over the button and thus needs to be highlighted. The delay is the
|
| - // smallest that still produces the effect while minimizing jank. Smaller
|
| - // values make the selector fire too close to immediately/now for the mouse to
|
| - // have moved off the receiver, and larger values produce lag.
|
| - if (tracking_ && [self shouldHighlightOnHover]) {
|
| - [self performSelector:@selector(checkMouseInRect)
|
| - withObject:nil
|
| - afterDelay:0.05
|
| - inModes:[NSArray arrayWithObject:NSEventTrackingRunLoopMode]];
|
| - }
|
| - [super mouseDragged:theEvent];
|
| -}
|
| -
|
| -- (void)mouseUp:(NSEvent*)theEvent {
|
| - [self doHighlight:NO];
|
| - if (!tracking_) {
|
| - return [super mouseUp:theEvent];
|
| - }
|
| - [self performClick:self];
|
| - tracking_ = NO;
|
| -}
|
| -
|
| -- (void)doHighlight:(BOOL)highlight {
|
| - if (![self shouldHighlightOnHover]) {
|
| - return;
|
| - }
|
| - [[self cell] setHighlighted:highlight];
|
| - [self setNeedsDisplay];
|
| -}
|
| -
|
| -// Checks if the user's current mouse location is over this button. If it is,
|
| -// the user is merely hovering here. If it is not, then disable the highlight.
|
| -// If the menu is opened in non-sticky mode, the button does not receive enter/
|
| -// exit mouse events and thus polling is necessary.
|
| -- (void)checkMouseInRect {
|
| - NSPoint point = [NSEvent mouseLocation];
|
| - point = [[self window] convertScreenToBase:point];
|
| - point = [self convertPoint:point fromView:nil];
|
| - if (!NSPointInRect(point, [self insetBounds])) {
|
| - [self doHighlight:NO];
|
| - }
|
| -}
|
| -
|
| -// Returns the bounds of the receiver slightly inset to avoid highlighting both
|
| -// buttons in a pair that overlap.
|
| -- (NSRect)insetBounds {
|
| - return NSInsetRect([self bounds], 2, 1);
|
| -}
|
| -
|
| -- (BOOL)shouldHighlightOnHover {
|
| - // Apple does not define NSAppKitVersionNumber10_5 when using the 10.5 SDK.
|
| - // The Internets have come up with this solution.
|
| - #ifndef NSAppKitVersionNumber10_5
|
| - #define NSAppKitVersionNumber10_5 949
|
| - #endif
|
| -
|
| - // There's a cell drawing bug in 10.5 that was fixed on 10.6. Hover states
|
| - // look terrible due to this, so disable highlighting on 10.5.
|
| - return std::floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_5;
|
| -}
|
| -
|
| -@end
|
|
|