99 lines
1.7 KiB
Objective-C
99 lines
1.7 KiB
Objective-C
//
|
|
// VolumeSlider.m
|
|
// Cog
|
|
//
|
|
// Created by Vincent Spader on 2/8/09.
|
|
// Copyright 2009 __MyCompanyName__. All rights reserved.
|
|
//
|
|
|
|
#import "VolumeSlider.h"
|
|
#import "PlaybackController.h"
|
|
#import "CogAudio/Helper.h"
|
|
|
|
@implementation VolumeSlider
|
|
|
|
- (id)initWithFrame:(NSRect)frame
|
|
{
|
|
self = [super initWithFrame:frame];
|
|
if (self)
|
|
{
|
|
toolTip = [[ToolTipWindow alloc] init];
|
|
}
|
|
|
|
return self;
|
|
}
|
|
|
|
- (id)initWithCoder:(NSCoder *)coder
|
|
{
|
|
self = [super initWithCoder:coder];
|
|
if (self)
|
|
{
|
|
toolTip = [[ToolTipWindow alloc] init];
|
|
}
|
|
|
|
return self;
|
|
}
|
|
|
|
- (void)updateToolTip
|
|
{
|
|
double value = [self doubleValue];
|
|
double volume = linearToLogarithmic(value);
|
|
|
|
NSString *text = [[NSString alloc] initWithFormat:@"%0.lf%%", volume];
|
|
|
|
NSSize size = [toolTip suggestedSizeForTooltip:text];
|
|
NSPoint mouseLocation = [NSEvent mouseLocation];
|
|
|
|
[toolTip setToolTip:text];
|
|
[toolTip setFrame:NSMakeRect(mouseLocation.x, mouseLocation.y, size.width, size.height) display:YES];
|
|
|
|
[text release];
|
|
}
|
|
|
|
- (void)showToolTip
|
|
{
|
|
[self updateToolTip];
|
|
|
|
[toolTip orderFront];
|
|
}
|
|
|
|
- (void)showToolTipForDuration:(NSTimeInterval)duration
|
|
{
|
|
[self updateToolTip];
|
|
[toolTip orderFrontForDuration:duration];
|
|
}
|
|
|
|
|
|
- (void)hideToolTip
|
|
{
|
|
[toolTip close];
|
|
}
|
|
|
|
|
|
- (BOOL)sendAction:(SEL)theAction to:(id)theTarget
|
|
{
|
|
double oneLog = logarithmicToLinear(100.0);
|
|
double distance = [self frame].size.height*([self doubleValue] - oneLog)/100.0;
|
|
if (fabs(distance) < 2.0)
|
|
{
|
|
[self setDoubleValue:oneLog];
|
|
}
|
|
|
|
[self showToolTip];
|
|
|
|
return [super sendAction:theAction to:theTarget];
|
|
}
|
|
|
|
- (void)scrollWheel:(NSEvent *)theEvent
|
|
{
|
|
double change = [theEvent deltaY];
|
|
|
|
[self setDoubleValue:[self doubleValue] + change];
|
|
|
|
[[self target] changeVolume:self];
|
|
|
|
[self showToolTipForDuration:1.0];
|
|
}
|
|
|
|
@end
|