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128 lines
3.4 KiB
128 lines
3.4 KiB
/*****************************************************************************
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* VLCSlider.m
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*****************************************************************************
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* Copyright (C) 2017 VLC authors and VideoLAN
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* $Id$
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*
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* Authors: Marvin Scholz <epirat07 at gmail dot com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#import "VLCSlider.h"
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#import "VLCSliderCell.h"
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#import "CompatibilityFixes.h"
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@implementation VLCSlider
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- (instancetype)initWithCoder:(NSCoder *)coder
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{
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self = [super initWithCoder:coder];
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if (self) {
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NSAssert([self.cell isKindOfClass:[VLCSliderCell class]],
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@"VLCSlider cell is not VLCSliderCell");
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_isScrollable = YES;
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if (@available(macOS 10.14, *)) {
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[self viewDidChangeEffectiveAppearance];
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} else {
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[self setSliderStyleLight];
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}
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}
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return self;
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}
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+ (Class)cellClass
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{
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return [VLCSliderCell class];
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}
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- (void)scrollWheel:(NSEvent *)event
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{
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if (!_isScrollable)
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return [super scrollWheel:event];
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double increment;
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CGFloat deltaY = [event scrollingDeltaY];
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double range = [self maxValue] - [self minValue];
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// Scroll less for high precision, else it's too fast
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if (event.hasPreciseScrollingDeltas) {
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increment = (range * 0.002) * deltaY;
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} else {
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if (deltaY == 0.0)
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return;
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increment = (range * 0.01 * deltaY);
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}
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// If scrolling is inversed, increment in other direction
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if (!event.isDirectionInvertedFromDevice)
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increment = -increment;
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[self setDoubleValue:self.doubleValue - increment];
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[self sendAction:self.action to:self.target];
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}
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// Workaround for 10.7
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// http://stackoverflow.com/questions/3985816/custom-nsslidercell
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- (void)setNeedsDisplayInRect:(NSRect)invalidRect {
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[super setNeedsDisplayInRect:[self bounds]];
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}
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- (BOOL)getIndefinite
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{
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return [(VLCSliderCell*)[self cell] indefinite];
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}
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- (void)setIndefinite:(BOOL)indefinite
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{
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[(VLCSliderCell*)[self cell] setIndefinite:indefinite];
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}
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- (BOOL)getKnobHidden
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{
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return [(VLCSliderCell*)[self cell] isKnobHidden];
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}
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- (void)setKnobHidden:(BOOL)isKnobHidden
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{
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[(VLCSliderCell*)[self cell] setKnobHidden:isKnobHidden];
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}
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- (BOOL)isFlipped
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{
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return NO;
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}
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- (void)setSliderStyleLight
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{
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[(VLCSliderCell*)[self cell] setSliderStyleLight];
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}
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- (void)setSliderStyleDark
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{
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[(VLCSliderCell*)[self cell] setSliderStyleDark];
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}
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- (void)viewDidChangeEffectiveAppearance
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{
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if (@available(macOS 10_14, *)) {
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if ([self.effectiveAppearance.name isEqualToString:NSAppearanceNameDarkAqua])
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[self setSliderStyleDark];
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else
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[self setSliderStyleLight];
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}
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}
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@end
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