source: trunk/ICeCoffEE/ICeCoffEE/ICeCoffEEMenuOutlineView.m @ 433

Last change on this file since 433 was 433, checked in by Nicholas Riley, 12 years ago

Undocumented method / hack fallback to determine whether we should draw the highlighted row as active.

File size: 2.4 KB
Line 
1//
2//  ICeCoffEEMenuOutlineView.m
3//  ICeCoffEE
4//
5//  Created by Nicholas Riley on 3/2/08.
6//  Copyright 2008 Nicholas Riley. All rights reserved.
7//
8
9#import "ICeCoffEEMenuOutlineView.h"
10#import <Carbon/Carbon.h>
11
12// Tiger or later, indicates whether highlighted row should draw as active
13@interface NSWindow (IC_KeyboardFocus)
14- (BOOL)_isKeyWindowIgnoringFocus;
15@end
16
17BOOL ICCF_ViewHasKeyboardFocus(NSView *view) {
18    NSWindow *window = [view window];
19    if ([window firstResponder] != view)
20        return NO;
21   
22    if ([window respondsToSelector: @selector(_isKeyWindowIgnoringFocus)])
23        return [window _isKeyWindowIgnoringFocus];
24   
25    // XXX is there a documented way to do this?
26    // see <http://lists.apple.com/archives/cocoa-dev/2008/Mar/msg00036.html>
27   
28    // test cases:
29    // - About System Preferences...
30    // - focused character palette
31    // - Help menu search (Shortcut)
32    // - menu extras
33    NSWindow *keyWindow = [NSApp keyWindow];
34    if (window != keyWindow && (keyWindow == nil || [keyWindow isKindOfClass: [NSPanel class]]))
35        return NO; // exclude NSCarbonMenuWindow
36   
37    return YES;
38}
39
40@implementation ICeCoffEEMenuOutlineView
41
42// undocumented, Leopard-only, only way I can figure out to bypass inter-cell navigation
43- (BOOL)canFocusCell:(NSCell *)cell atTableColumn:(NSTableColumn *)tableColumn row:(int)row;
44{
45    return NO;
46}
47
48- (BOOL)shouldUseActiveHighlight;
49{
50    return NO;
51    return [[self window] _isKeyWindowIgnoringFocus];
52}
53
54- (void)highlightSelectionInClipRect:(NSRect)clipRect;
55{
56    NSRange rows = [self rowsInRect: clipRect];
57    unsigned maxRow = NSMaxRange(rows);
58
59    HIThemeMenuItemDrawInfo drawInfo = {0, kThemeMenuItemHierBackground | kThemeMenuItemPopUpBackground, kThemeMenuSelected};
60    if (!ICCF_ViewHasKeyboardFocus(self)) {
61        [super highlightSelectionInClipRect: clipRect];
62        return;
63    }
64   
65    for (unsigned row = rows.location ; row < maxRow ; ++row) {
66        if (![self isRowSelected: row])
67            continue;
68       
69        NSRect rowRect = [self rectOfRow: row];
70        rowRect.size.height += 2;
71        if (NSIntersectsRect(rowRect, clipRect)) {
72            OSStatus err = HIThemeDrawMenuItem((HIRect *)&clipRect,
73                                               (HIRect *)&rowRect,
74                                               &drawInfo, 
75                                               (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort],
76                                               kHIThemeOrientationInverted,
77                                               (HIRect *)&rowRect);
78            if (err != noErr) {
79                [super highlightSelectionInClipRect: clipRect];
80                return;
81            }
82        }
83    }
84}
85
86@end
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