macosx/MVMenuButton.m

   1 #import "MVMenuButton.h"
   2
   3 @implementation MVMenuButton
   4 - (void) encodeWithCoder:(NSCoder *) coder {
   5         [super encodeWithCoder:coder];
   6 }
   7
   8 - (id) initWithFrame:(NSRect) frame {
   9         if( ( self = [super initWithFrame:frame] ) ) {
  10                 [self setBordered:NO];
  11                 [self setButtonType:NSMomentaryChangeButton];
  12         }
  13         return self;
  14 }
  15
  16 - (id) initWithCoder:(NSCoder *) coder {
  17         if( ( self = [super initWithCoder:coder] ) ) {
  18                 _size = NSRegularControlSize;
  19                 _drawsArrow = NO;
  20                 _orgImage = [[self image] copy];
  21                 _smallImage = nil;
  22                 _toolbarItem = nil;
  23         }
  24         return self;
  25 }
  26
  27 - (void) dealloc {
  28         [_orgImage release];
  29         [_smallImage release];
  30
  31         _orgImage = nil;
  32         _smallImage = nil;
  33         _toolbarItem = nil;
  34
  35         [super dealloc];
  36 }
  37
  38 - (void) drawRect:(NSRect) rect {
  39     [super drawRect:rect];
  40
  41     if( [self drawsArrow] ) {
  42             NSBezierPath *path = [NSBezierPath bezierPath];
  43
  44                 if( _size == NSRegularControlSize ) {
  45                         [path moveToPoint:NSMakePoint( NSWidth( [self frame] ) - 6, NSHeight( [self frame] ) - 3 )];
  46                         [path relativeLineToPoint:NSMakePoint( 6, 0 )];
  47                         [path relativeLineToPoint:NSMakePoint( -3, 3 )];
  48                 } else if( _size == NSSmallControlSize ) {
  49                         [path moveToPoint:NSMakePoint( NSWidth( [self frame] ) - 4, NSHeight( [self frame] ) - 3 )];
  50                         [path relativeLineToPoint:NSMakePoint( 4, 0 )];
  51                         [path relativeLineToPoint:NSMakePoint( -2, 3 )];
  52                 }
  53
  54                 [path closePath];
  55                 [[[NSColor blackColor] colorWithAlphaComponent:0.75] set];
  56                 [path fill];
  57     }
  58 }
  59
  60 - (void) mouseDown:(NSEvent *) theEvent {
  61         if( ! [self isEnabled] ) return;
  62         if( ! [self menu] ) {
  63                 [super mouseDown:theEvent];
  64                 return;
  65         }
  66
  67         [self highlight:YES];
  68
  69         NSPoint point = [self convertPoint:[self bounds].origin toView:nil];
  70         point.y -= NSHeight( [self frame] ) + 2.;
  71         point.x -= 1.;
  72
  73         NSEvent *event = [NSEvent mouseEventWithType:[theEvent type] location:point modifierFlags:[theEvent modifierFlags] timestamp:[theEvent timestamp] windowNumber:[[theEvent window] windowNumber] context:[theEvent context] eventNumber:[theEvent eventNumber] clickCount:[theEvent clickCount] pressure:[theEvent pressure]];
  74         [NSMenu popUpContextMenu:[self menu] withEvent:event forView:self];
  75
  76         [self mouseUp:[[NSApplication sharedApplication] currentEvent]];
  77 }
  78
  79 - (void) mouseUp:(NSEvent *) theEvent {
  80         [self highlight:NO];
  81         [super mouseUp:theEvent];
  82 }
  83
  84 - (void) mouseDragged:(NSEvent *) theEvent {
  85         return;
  86 }
  87
  88 - (NSControlSize) controlSize {
  89         return ( _size ? _size : NSRegularControlSize );
  90 }
  91
  92 - (void) setControlSize:(NSControlSize) controlSize {
  93         if( ! _orgImage ) _orgImage = [[self image] copy];
  94         if( controlSize == NSRegularControlSize ) {
  95                 [super setImage:_orgImage];
  96                 [_toolbarItem setMinSize:NSMakeSize( 32., 32. )];
  97                 [_toolbarItem setMaxSize:NSMakeSize( 32., 32. )];
  98         } else if( controlSize == NSSmallControlSize ) {
  99                 if( ! _smallImage ) {
 100                         NSImageRep *sourceImageRep = [_orgImage bestRepresentationForDevice:nil];
 101                         _smallImage = [[NSImage alloc] initWithSize:NSMakeSize( 24., 24. )];
 102                         [_smallImage lockFocus];
 103                         [[NSGraphicsContext currentContext] setImageInterpolation:NSImageInterpolationHigh];
 104                         [sourceImageRep drawInRect:NSMakeRect( 0., 0., 24., 24. )];
 105                         [_smallImage unlockFocus];
 106                 }
 107                 [super setImage:_smallImage];
 108                 [_toolbarItem setMinSize:NSMakeSize( 24., 24. )];
 109                 [_toolbarItem setMaxSize:NSMakeSize( 24., 24. )];
 110         }
 111         _size = controlSize;
 112 }
 113
 114 - (void) setImage:(NSImage *) image {
 115         [_orgImage autorelease];
 116         _orgImage = [[self image] copy];
 117
 118         NSImageRep *sourceImageRep = [image bestRepresentationForDevice:nil];
 119         [_smallImage autorelease];
 120         _smallImage = [[NSImage alloc] initWithSize:NSMakeSize( 24., 24. )];
 121         [_smallImage lockFocus];
 122         [[NSGraphicsContext currentContext] setImageInterpolation:NSImageInterpolationHigh];
 123         [sourceImageRep drawInRect:NSMakeRect( 0., 0., 24., 24. )];
 124         [_smallImage unlockFocus];
 125
 126         if( _size == NSRegularControlSize ) [super setImage:image];
 127         else if( _size == NSSmallControlSize ) [super setImage:_smallImage];
 128 }
 129
 130 - (NSImage *) smallImage {
 131         return _smallImage;
 132 }
 133
 134 - (void) setSmallImage:(NSImage *) image {
 135         [_smallImage autorelease];
 136         _smallImage = [image copy];
 137 }
 138
 139 - (NSToolbarItem *) toolbarItem {
 140         return _toolbarItem;
 141 }
 142
 143 - (void) setToolbarItem:(NSToolbarItem *) item {
 144         _toolbarItem = item;
 145 }
 146
 147 - (BOOL) drawsArrow {
 148         return _drawsArrow;
 149 }
 150
 151 - (void) setDrawsArrow:(BOOL) arrow {
 152         _drawsArrow = arrow;
 153 }
 154
 155 - (id) accessibilityAttributeValue:(NSString *) attribute {
 156         if( [attribute isEqualToString:NSAccessibilityTitleAttribute] )
 157                 return [_toolbarItem label];
 158         if( [attribute isEqualToString:NSAccessibilityHelpAttribute] )
 159                 return [_toolbarItem toolTip];
 160         if( [attribute isEqualToString:NSAccessibilityToolbarButtonAttribute] )
 161                 return _toolbarItem;
 162         return [super accessibilityAttributeValue:attribute];
 163 }
 164 @end