source: trunk/macosx/TrackerTableView.m @ 9133

Last change on this file since 9133 was 9133, checked in by livings124, 13 years ago

same for torrent table, and fix a code placement issue

  • Property svn:keywords set to Date Rev Author Id
File size: 3.8 KB
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1/******************************************************************************
2 * $Id: TrackerTableView.m 9133 2009-09-17 04:36:09Z livings124 $
3 *
4 * Copyright (c) 2008-2009 Transmission authors and contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *****************************************************************************/
24
25#import "TrackerTableView.h"
26
27@implementation TrackerTableView
28
29- (void) mouseDown: (NSEvent *) event
30{
31    [[self window] makeKeyWindow];
32    [super mouseDown: event];
33}
34
35- (void) setTrackers: (NSArray *) trackers
36{
37    fTrackers = trackers;
38}
39
40//alternating rows - first row after group row is white
41- (void) highlightSelectionInClipRect: (NSRect) clipRect
42{
43    NSRect visibleRect = clipRect;
44    NSRange rows = [self rowsInRect: visibleRect];
45    BOOL start = YES;
46   
47    const CGFloat totalRowHeight = [self rowHeight] + [self intercellSpacing].height;
48   
49    NSRect * gridRects = (NSRect *)alloca(sizeof(NSRect) * (ceil(visibleRect.size.height / totalRowHeight) / 2));
50    NSInteger rectNum = 0;
51   
52    if (rows.length > 0)
53    {
54        //determine what the first row color should be
55        if (![[fTrackers objectAtIndex: rows.location] isKindOfClass: [NSNumber class]])
56        {
57            for (NSInteger i = rows.location-1; i>=0; i--)
58            {
59                if ([[fTrackers objectAtIndex: i] isKindOfClass: [NSNumber class]])
60                    break;
61                start = !start;
62            }
63        }
64        else
65        {
66            rows.location++;
67            rows.length--;
68        }
69       
70        NSInteger i;
71        for (i = rows.location; i < NSMaxRange(rows); i++)
72        {
73            if ([[fTrackers objectAtIndex: i] isKindOfClass: [NSNumber class]])
74            {
75                start = YES;
76                continue;
77            }
78           
79            if (!start && ![self isRowSelected: i])
80                gridRects[rectNum++] = [self rectOfRow: i];
81           
82            start = !start;
83        }
84       
85        const CGFloat newY = NSMaxY([self rectOfRow: i-1]);
86        visibleRect.size.height -= newY - visibleRect.origin.y;
87        visibleRect.origin.y = newY;
88    }
89   
90    const NSInteger numberBlankRows = ceil(visibleRect.size.height / totalRowHeight);
91   
92    //remaining visible rows continue alternating
93    visibleRect.size.height = totalRowHeight;
94    if (start)
95        visibleRect.origin.y += totalRowHeight;
96    for (NSInteger i = start ? 1 : 0; i < numberBlankRows; i += 2)
97    {
98        gridRects[rectNum++] = visibleRect;
99        visibleRect.origin.y += 2.0 * totalRowHeight;
100    }
101   
102    NSAssert([[NSColor controlAlternatingRowBackgroundColors] count] >= 2, @"There should be 2 alternating row colors");
103   
104    [[[NSColor controlAlternatingRowBackgroundColors] objectAtIndex: 1] set];
105    NSRectFillList(gridRects, rectNum);
106   
107    [super highlightSelectionInClipRect: clipRect];
108}
109
110@end
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