afb81b8278
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50 lines
1.2 KiB
C++
50 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 "base/last_user_input.h"
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#include "base/event_filter.h"
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#include "base/platform/base_platform_last_input.h"
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#include <QtCore/QCoreApplication>
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namespace base {
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crl::time LastUserInputTime() {
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Expects(QCoreApplication::instance() != nullptr);
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if (const auto specific = base::Platform::LastUserInputTime()) {
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return *specific;
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}
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static auto result = crl::time(0);
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static const auto isInputEvent = [](not_null<QEvent*> e) {
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switch (e->type()) {
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case QEvent::MouseMove:
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case QEvent::KeyPress:
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case QEvent::MouseButtonPress:
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case QEvent::TouchBegin:
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case QEvent::Wheel: return true;
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}
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return false;
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};
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static const auto updateResult = [](not_null<QEvent*> e) {
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if (isInputEvent(e)) {
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result = crl::now();
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}
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return base::EventFilterResult::Continue;
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};
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[[maybe_unused]] static const auto watcher = base::install_event_filter(
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QCoreApplication::instance(),
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updateResult);
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return result;
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}
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crl::time SinceLastUserInput() {
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return crl::now() - LastUserInputTime();
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}
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} // namespace base
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