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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#include "base/timer.h"
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#include "base/qt_connection.h"
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#include <QtCore/QPointer>
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namespace Ui {
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namespace {
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constexpr auto kInactivePressTimeout = crl::time(200);
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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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std::unique_ptr<InactivePressedWidget> Tracker;
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} // namespace
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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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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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[[nodiscard]] bool WasInactivePress(not_null<QWidget*> widget) {
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return Tracker && (Tracker->widget == widget);
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}
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} // namespace Ui
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