forked from mia/Aegisub
64 lines
2.1 KiB
Text
64 lines
2.1 KiB
Text
// Copyright (c) 2013, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// Aegisub Project http://www.aegisub.org/
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#include "retina_helper.h"
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#include <Cocoa/Cocoa.h>
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#include <wx/window.h>
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@interface RetinaObserver : NSObject
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@property (nonatomic, assign) NSWindow *window;
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@property (nonatomic, copy) void (^block)();
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@end
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@implementation RetinaObserver
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- (void)backingPropertiesDidChange:(NSNotification *)notification {
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self.block();
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}
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- (void)dealloc {
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[_block release];
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[super dealloc];
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}
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@end
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RetinaHelper::RetinaHelper(wxWindow *window)
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: window(window)
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, observer([RetinaObserver new])
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{
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NSView *view = window->GetHandle();
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RetinaObserver *obs = (id)observer;
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obs.window = view.window;
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obs.block = ^{ ScaleFactorChanged(GetScaleFactor()); };
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NSNotificationCenter *nc = NSNotificationCenter.defaultCenter;
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[nc addObserver:(id)observer
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selector:@selector(backingPropertiesDidChange:)
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name:NSWindowDidChangeBackingPropertiesNotification
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object:view.window];
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if ([view respondsToSelector:@selector(setWantsBestResolutionOpenGLSurface:)])
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view.wantsBestResolutionOpenGLSurface = YES;
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}
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RetinaHelper::~RetinaHelper() {
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[NSNotificationCenter.defaultCenter removeObserver:(id)observer];
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[(id)observer release];
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}
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int RetinaHelper::GetScaleFactor() const {
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return static_cast<int>(window->GetHandle().window.backingScaleFactor);
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}
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