1 // This file is part of Desktop App Toolkit,
2 // a set of libraries for developing nice desktop applications.
3 //
4 // For license and copyright information please follow this link:
5 // https://github.com/desktop-app/legal/blob/master/LEGAL
6 //
7 #include "ui/inactive_press.h"
8 
9 #include "base/timer.h"
10 #include "base/qt_connection.h"
11 
12 #include <QtCore/QPointer>
13 
14 namespace Ui {
15 namespace {
16 
17 constexpr auto kInactivePressTimeout = crl::time(200);
18 
19 struct InactivePressedWidget {
20 	QWidget *widget = nullptr;
21 	base::qt_connection connection;
22 	base::Timer timer;
23 };
24 
25 std::unique_ptr<InactivePressedWidget> Tracker;
26 
27 } // namespace
28 
MarkInactivePress(not_null<QWidget * > widget,bool was)29 void MarkInactivePress(not_null<QWidget*> widget, bool was) {
30 	if (!was) {
31 		if (WasInactivePress(widget)) {
32 			Tracker = nullptr;
33 		}
34 		return;
35 	}
36 
37 	Tracker = std::make_unique<InactivePressedWidget>();
38 	Tracker->widget = widget;
39 	Tracker->connection = QObject::connect(widget, &QWidget::destroyed, [=] {
40 		Tracker->connection.release();
41 		Tracker = nullptr;
42 	});
43 	Tracker->timer.setCallback([=] {
44 		Tracker = nullptr;
45 	});
46 	Tracker->timer.callOnce(kInactivePressTimeout);
47 }
48 
WasInactivePress(not_null<QWidget * > widget)49 [[nodiscard]] bool WasInactivePress(not_null<QWidget*> widget) {
50 	return Tracker && (Tracker->widget == widget);
51 }
52 
53 } // namespace Ui
54