adium / Source / ESSourceListBackgroundView.m

//
//  ESSourceListBackgroundView.m
//  Adium
//
//  Created by Evan Schoenberg on 6/26/06.
//

#import "ESSourceListBackgroundView.h"
#import <Adium/KNShelfSplitView.h>
#import <AIUtilities/AIImageAdditions.h>

@implementation ESSourceListBackgroundView

- (void)_initSourceListBackgroundView
{
        background = [[NSImage imageNamed:@"sourceListBackground" forClass:[KNShelfSplitView class]] retain];
        backgroundSize = [background size];
        
        [self setNeedsDisplay:YES];
}

- (id)initWithCoder:(NSCoder *)inCoder
{
        if ((self = [super initWithCoder:inCoder])) {
                [self _initSourceListBackgroundView];
        }
        
        return self;
}

- (id)initWithFrame:(NSRect)frame
{
        if ((self = [super initWithFrame:frame])) {
                [self _initSourceListBackgroundView];
        }
        
        return self;
}

- (void)dealloc
{
        [background release];
        
        [super dealloc];
}

- (void)drawRect:(NSRect)rect
{
        [super drawRect:rect];
        
        NSRect  frame = [self frame];
        
        //Draw the background, tiling across
    NSRect sourceRect = NSMakeRect(0, 0, backgroundSize.width, backgroundSize.height);
    NSRect destRect = NSMakeRect(0, 0, sourceRect.size.width, frame.size.height);
        
    while ((destRect.origin.x < NSWidth(frame)) && destRect.size.width > 0) {
        //Crop
        if (NSMaxX(destRect) > NSWidth(frame)) {
            sourceRect.size.width = NSWidth(destRect);
        }
                
        [background drawInRect:destRect
                                          fromRect:sourceRect
                                         operation:NSCompositeSourceOver
                                          fraction:1.0];
        destRect.origin.x += NSWidth(destRect);
    }
        
        //Draw a border line at the top
        NSRect lineRect = NSMakeRect(0, frame.size.height-1, NSWidth(frame), 1);
        [[NSColor windowFrameColor] set];
        NSRectFill(lineRect);
}

@end