src/MacVim/PSMTabBarControl/source/PSMOverflowPopUpButton.m

   1 //
   2 //  PSMOverflowPopUpButton.m
   3 //  PSMTabBarControl
   4 //
   5 //  Created by John Pannell on 11/4/05.
   6 //  Copyright 2005 Positive Spin Media. All rights reserved.
   7 //
   8
   9 #import "PSMOverflowPopUpButton.h"
  10 #import "PSMTabBarControl.h"
  11
  12 @implementation PSMOverflowPopUpButton
  13
  14 - (id)initWithFrame:(NSRect)frameRect pullsDown:(BOOL)flag
  15 {
  16     self=[super initWithFrame:frameRect pullsDown:YES];
  17     if (self) {
  18         [self setBezelStyle:NSRegularSquareBezelStyle];
  19         [self setBordered:NO];
  20         [self setTitle:@""];
  21         [self setPreferredEdge:NSMaxXEdge];
  22         _PSMTabBarOverflowPopUpImage = [[NSImage alloc] initByReferencingFile:[[PSMTabBarControl bundle] pathForImageResource:@"overflowImage"]];
  23                 _PSMTabBarOverflowDownPopUpImage = [[NSImage alloc] initByReferencingFile:[[PSMTabBarControl bundle] pathForImageResource:@"overflowImagePressed"]];
  24     }
  25     return self;
  26 }
  27
  28 - (void)dealloc
  29 {
  30     [_PSMTabBarOverflowPopUpImage release];
  31         [_PSMTabBarOverflowDownPopUpImage release];
  32     [super dealloc];
  33 }
  34
  35 - (void)drawRect:(NSRect)rect
  36 {
  37     if(_PSMTabBarOverflowPopUpImage == nil){
  38         [super drawRect:rect];
  39         return;
  40     }
  41
  42     NSImage *image = (_down) ? _PSMTabBarOverflowDownPopUpImage : _PSMTabBarOverflowPopUpImage;
  43         NSSize imageSize = [image size];
  44     rect.origin.x = NSMidX(rect) - (imageSize.width * 0.5);
  45     rect.origin.y = NSMidY(rect) - (imageSize.height * 0.5);
  46     if([self isFlipped]) {
  47         rect.origin.y += imageSize.height;
  48     }
  49     [image compositeToPoint:rect.origin operation:NSCompositeSourceOver];
  50 }
  51
  52 - (void)mouseDown:(NSEvent *)event
  53 {
  54         _down = YES;
  55         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(notificationReceived:) name:NSMenuDidEndTrackingNotification object:[self menu]];
  56         [self setNeedsDisplay:YES];
  57         [super mouseDown:event];
  58 }
  59
  60 - (void)notificationReceived:(NSNotification *)notification
  61 {
  62         _down = NO;
  63         [self setNeedsDisplay:YES];
  64         [[NSNotificationCenter defaultCenter] removeObserver:self];
  65 }
  66
  67 #pragma mark -
  68 #pragma mark Archiving
  69
  70 - (void)encodeWithCoder:(NSCoder *)aCoder {
  71     [super encodeWithCoder:aCoder];
  72     if ([aCoder allowsKeyedCoding]) {
  73         [aCoder encodeObject:_PSMTabBarOverflowPopUpImage forKey:@"PSMTabBarOverflowPopUpImage"];
  74         [aCoder encodeObject:_PSMTabBarOverflowDownPopUpImage forKey:@"PSMTabBarOverflowDownPopUpImage"];
  75     }
  76 }
  77
  78 - (id)initWithCoder:(NSCoder *)aDecoder {
  79     self = [super initWithCoder:aDecoder];
  80     if (self) {
  81         if ([aDecoder allowsKeyedCoding]) {
  82             _PSMTabBarOverflowPopUpImage = [[aDecoder decodeObjectForKey:@"PSMTabBarOverflowPopUpImage"] retain];
  83             _PSMTabBarOverflowDownPopUpImage = [[aDecoder decodeObjectForKey:@"PSMTabBarOverflowDownPopUpImage"] retain];
  84         }
  85     }
  86     return self;
  87 }
  88
  89 @end