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-rw-r--r--frontends/cocoa/BlackScroller.m178
1 files changed, 90 insertions, 88 deletions
diff --git a/frontends/cocoa/BlackScroller.m b/frontends/cocoa/BlackScroller.m
index 025e3a955..df15e916f 100644
--- a/frontends/cocoa/BlackScroller.m
+++ b/frontends/cocoa/BlackScroller.m
@@ -25,130 +25,132 @@
@implementation BlackScroller
-- (void) setFrame: (NSRect)frameRect
+- (void)setFrame:(NSRect)frameRect
{
- [super setFrame: frameRect];
- if (tag != 0) [self removeTrackingRect: tag];
- tag = [self addTrackingRect: [self bounds] owner: self userData: NULL assumeInside: NO];
+ [super setFrame:frameRect];
+ if (tag != 0)
+ [self removeTrackingRect:tag];
+ tag = [self addTrackingRect:[self bounds] owner:self userData:NULL assumeInside:NO];
}
-- (void) drawRect: (NSRect)dirtyRect
+- (void)drawRect:(NSRect)dirtyRect
{
- [[NSColor clearColor] set];
- [NSBezierPath fillRect: dirtyRect];
+ [[NSColor clearColor] set];
+ [NSBezierPath fillRect:dirtyRect];
- if (drawTrack) [self drawKnobSlotInRect: [self rectForPart: NSScrollerKnobSlot]
- highlight: NO];
- [self drawKnob];
+ if (drawTrack)
+ [self drawKnobSlotInRect:[self rectForPart:NSScrollerKnobSlot]
+ highlight:NO];
+ [self drawKnob];
}
-- (void) drawKnobSlotInRect: (NSRect)slotRect highlight: (BOOL)flag
+- (void)drawKnobSlotInRect:(NSRect)slotRect highlight:(BOOL)flag
{
- slotRect = NSInsetRect( slotRect, 2, 2 );
- slotRect = [self.window convertRectToScreen: slotRect];
- slotRect.origin.x = floor( slotRect.origin.x ) + 0.5;
- slotRect.origin.y = floor( slotRect.origin.y ) + 0.5;
- slotRect.size.width = floor( slotRect.size.width );
- slotRect.size.height = floor( slotRect.size.height );
- slotRect = [self.window convertRectFromScreen: slotRect];
-
- NSGradient *gradient = [[NSGradient alloc] initWithColorsAndLocations:
- [NSColor clearColor], 0.0,
- [NSColor clearColor], 0.4,
- [NSColor whiteColor], 1.0,
- nil];
- [[NSColor whiteColor] set];
- const float radius = 0.5 * ([self isHorizontal] ? NSHeight( slotRect ) : NSWidth( slotRect ));
- NSBezierPath *path = [NSBezierPath bezierPathWithRoundedRect: slotRect
- xRadius: radius
- yRadius: radius];
- [gradient drawInBezierPath: path angle: [self isHorizontal] ? 90 : 0];
-
- [path stroke];
+ slotRect = NSInsetRect(slotRect, 2, 2);
+ slotRect = [self.window convertRectToScreen:slotRect];
+ slotRect.origin.x = floor(slotRect.origin.x) + 0.5;
+ slotRect.origin.y = floor(slotRect.origin.y) + 0.5;
+ slotRect.size.width = floor(slotRect.size.width);
+ slotRect.size.height = floor(slotRect.size.height);
+ slotRect = [self.window convertRectFromScreen:slotRect];
+
+ NSGradient *gradient = [[NSGradient alloc] initWithColorsAndLocations:
+ [NSColor clearColor], 0.0,
+ [NSColor clearColor], 0.4,
+ [NSColor whiteColor], 1.0,
+ nil];
+ [[NSColor whiteColor] set];
+ const float radius = 0.5 * ([self isHorizontal] ? NSHeight(slotRect) : NSWidth(slotRect));
+ NSBezierPath *path = [NSBezierPath bezierPathWithRoundedRect:slotRect
+ xRadius:radius
+ yRadius:radius];
+ [gradient drawInBezierPath:path angle:[self isHorizontal] ? 90 : 0];
+
+ [path stroke];
}
-
-- (NSUsableScrollerParts) usableParts
+- (NSUsableScrollerParts)usableParts
{
- return NSScrollerKnob | NSScrollerKnobSlot;
+ return NSScrollerKnob | NSScrollerKnobSlot;
}
-- (void) drawKnob
+- (void)drawKnob
{
- NSRect rect = NSInsetRect( [self rectForPart: NSScrollerKnob], 2, 2 );
-
- rect = [self.window convertRectToScreen: rect];
- rect.origin.x = floor( rect.origin.x ) + 0.5;
- rect.origin.y = floor( rect.origin.y ) + 0.5;
- rect.size.width = floor( rect.size.width );
- rect.size.height = floor( rect.size.height );
- rect = [self.window convertRectFromScreen: rect];
-
- [[NSColor colorWithDeviceWhite: 1.0 alpha: drawTrack ? 1.0 : 0.6] set];
-
- const float radius = 0.5 * ([self isHorizontal] ? NSHeight( rect ) : NSWidth( rect ));
- NSBezierPath *path = [NSBezierPath bezierPathWithRoundedRect: rect
- xRadius: radius
- yRadius: radius];
- [path fill];
- [path stroke];
+ NSRect rect = NSInsetRect([self rectForPart:NSScrollerKnob], 2, 2);
+
+ rect = [self.window convertRectToScreen:rect];
+ rect.origin.x = floor(rect.origin.x) + 0.5;
+ rect.origin.y = floor(rect.origin.y) + 0.5;
+ rect.size.width = floor(rect.size.width);
+ rect.size.height = floor(rect.size.height);
+ rect = [self.window convertRectFromScreen:rect];
+
+ [[NSColor colorWithDeviceWhite:1.0 alpha:drawTrack ? 1.0 : 0.6] set];
+
+ const float radius = 0.5 * ([self isHorizontal] ? NSHeight(rect) : NSWidth(rect));
+ NSBezierPath *path = [NSBezierPath bezierPathWithRoundedRect:rect
+ xRadius:radius
+ yRadius:radius];
+ [path fill];
+ [path stroke];
}
-- (NSRect) rectForPart: (NSScrollerPart)partCode
+- (NSRect)rectForPart:(NSScrollerPart)partCode
{
- const bool horizontal = [self isHorizontal];
-
- NSRect rect = horizontal ? NSInsetRect( [self bounds], 4, 0 ) : NSInsetRect( [self bounds], 0, 4 );
+ const bool horizontal = [self isHorizontal];
- switch (partCode) {
- case NSScrollerKnobSlot:
- return rect;
+ NSRect rect = horizontal ? NSInsetRect([self bounds], 4, 0) : NSInsetRect([self bounds], 0, 4);
- case NSScrollerKnob: {
- const CGFloat len = horizontal ? NSWidth( rect ) : NSHeight( rect );
- CGFloat knobLen = [self knobProportion] * len;
- const CGFloat minKnobLen = horizontal ? NSHeight( rect ) : NSWidth( rect );
- if (knobLen < minKnobLen) knobLen = minKnobLen;
+ switch (partCode) {
+ case NSScrollerKnobSlot:
+ return rect;
- const CGFloat start = [self doubleValue] * (len - knobLen);
+ case NSScrollerKnob: {
+ const CGFloat len = horizontal ? NSWidth(rect) : NSHeight(rect);
+ CGFloat knobLen = [self knobProportion] * len;
+ const CGFloat minKnobLen = horizontal ? NSHeight(rect) : NSWidth(rect);
+ if (knobLen < minKnobLen)
+ knobLen = minKnobLen;
- if (horizontal) {
- rect.origin.x += start;
- rect.size.width = knobLen;
- } else {
- rect.origin.y += start;
- rect.size.height = knobLen;
- }
+ const CGFloat start = [self doubleValue] * (len - knobLen);
- return rect;
+ if (horizontal) {
+ rect.origin.x += start;
+ rect.size.width = knobLen;
+ } else {
+ rect.origin.y += start;
+ rect.size.height = knobLen;
}
- default:
- return [super rectForPart: partCode];
- }
+ return rect;
+ }
+
+ default:
+ return [super rectForPart:partCode];
+ }
}
-- (BOOL) isOpaque
+- (BOOL)isOpaque
{
- return NO;
+ return NO;
}
-- (BOOL) isHorizontal
+- (BOOL)isHorizontal
{
- NSRect bounds = [self bounds];
- return NSWidth( bounds ) > NSHeight( bounds );
+ NSRect bounds = [self bounds];
+ return NSWidth(bounds) > NSHeight(bounds);
}
-- (void) mouseEntered: (NSEvent *)theEvent
+- (void)mouseEntered:(NSEvent *)theEvent
{
- drawTrack = YES;
- [self setNeedsDisplay: YES];
+ drawTrack = YES;
+ [self setNeedsDisplay:YES];
}
-- (void) mouseExited: (NSEvent *)theEvent
+- (void)mouseExited:(NSEvent *)theEvent
{
- drawTrack = NO;
- [self setNeedsDisplay: YES];
+ drawTrack = NO;
+ [self setNeedsDisplay:YES];
}
@end
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