53 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // This file is part of Desktop App Toolkit,
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| // a set of libraries for developing nice desktop applications.
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| //
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| // For license and copyright information please follow this link:
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| // https://github.com/desktop-app/legal/blob/master/LEGAL
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| //
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| #include "ui/inactive_press.h"
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| 
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| #include "base/timer.h"
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| #include "base/qt_connection.h"
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| 
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| #include <QtCore/QPointer>
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| 
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| namespace Ui {
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| namespace {
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| 
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| constexpr auto kInactivePressTimeout = crl::time(200);
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| 
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| struct InactivePressedWidget {
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| 	QWidget *widget = nullptr;
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| 	base::qt_connection connection;
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| 	base::Timer timer;
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| };
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| 
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| std::unique_ptr<InactivePressedWidget> Tracker;
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| 
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| } // namespace
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| 
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| void MarkInactivePress(not_null<QWidget*> widget, bool was) {
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| 	if (!was) {
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| 		if (WasInactivePress(widget)) {
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| 			Tracker = nullptr;
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| 		}
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| 		return;
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| 	}
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| 
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| 	Tracker = std::make_unique<InactivePressedWidget>();
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| 	Tracker->widget = widget;
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| 	Tracker->connection = QObject::connect(widget, &QWidget::destroyed, [=] {
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| 		Tracker->connection.release();
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| 		Tracker = nullptr;
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| 	});
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| 	Tracker->timer.setCallback([=] {
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| 		Tracker = nullptr;
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| 	});
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| 	Tracker->timer.callOnce(kInactivePressTimeout);
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| }
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| 
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| [[nodiscard]] bool WasInactivePress(not_null<QWidget*> widget) {
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| 	return Tracker && (Tracker->widget == widget);
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| }
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| 
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| } // namespace Ui
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