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Code Issues Releases Wiki Activity

use NSRectFillList() to fill the tracker table's alternating row

This commit is contained in:
Mitchell Livingston 2009-09-17 04:29:07 +00:00
parent 034d14639a
commit feb714f655
1 changed files with 18 additions and 13 deletions
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31
macosx/TrackerTableView.m
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@ -40,13 +40,15 @@
//alternating rows - first row after group row is white
- (void) highlightSelectionInClipRect: (NSRect) clipRect
{
NSColor * altColor = [[NSColor controlAlternatingRowBackgroundColors] objectAtIndex: 1];
[altColor set];
NSRect visibleRect = clipRect;
NSRange rows = [self rowsInRect: visibleRect];
BOOL start = YES;
const CGFloat totalRowHeight = [self rowHeight] + [self intercellSpacing].height;
NSRect * gridRects = (NSRect *)alloca(sizeof(NSRect) * (ceil(visibleRect.size.height / totalRowHeight) / 2));
NSInteger rectNum = 0;
if (rows.length > 0)
{
//determine what the first row color should be
@ -75,30 +77,33 @@
}
if (!start && ![self isRowSelected: i])
NSRectFill([self rectOfRow: i]);
gridRects[rectNum++] = [self rectOfRow: i];
start = !start;
}
CGFloat newY = NSMaxY([self rectOfRow: i-1]);
const CGFloat newY = NSMaxY([self rectOfRow: i-1]);
visibleRect.size.height -= newY - visibleRect.origin.y;
visibleRect.origin.y = newY;
}
//remaining visible rows continue alternating
const CGFloat height = [self rowHeight] + [self intercellSpacing].height;
const NSInteger numberOfRects = ceil(visibleRect.size.height / height);
visibleRect.size.height = height;
visibleRect.size.height = totalRowHeight;
if (start)
visibleRect.origin.y += height;
visibleRect.origin.y += totalRowHeight;
for (NSInteger i = start ? 1 : 0; i < numberOfRects; i += 2)
const NSInteger numberBlankRows = ceil(visibleRect.size.height / totalRowHeight);
for (NSInteger i = start ? 1 : 0; i < numberBlankRows; i += 2)
{
NSRectFill(visibleRect);
visibleRect.origin.y += 2.0 * height;
gridRects[rectNum++] = visibleRect;
visibleRect.origin.y += 2.0 * totalRowHeight;
}
NSAssert([[NSColor controlAlternatingRowBackgroundColors] count] >= 2, @"There should be 2 alternating row colors");
[[[NSColor controlAlternatingRowBackgroundColors] objectAtIndex: 1] set];
NSRectFillList(gridRects, rectNum);
[super highlightSelectionInClipRect: clipRect];
}