64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
//
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// Created by yuriypuchkov on 09.02.2021.
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//
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#include "qguiappcurrentscreen.h"
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#include <QCursor>
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#include <QDesktopWidget>
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#include <QGuiApplication>
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#include <QPoint>
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#include <QScreen>
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QGuiAppCurrentScreen::QGuiAppCurrentScreen()
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{
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m_currentScreen = nullptr;
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}
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QScreen* QGuiAppCurrentScreen::currentScreen()
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{
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return currentScreen(QCursor::pos());
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}
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QScreen* QGuiAppCurrentScreen::currentScreen(const QPoint& pos)
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{
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m_currentScreen = screenAt(pos);
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#if (defined(Q_OS_MAC64) || defined(Q_OS_MACOS))
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// On the MacOS if mouse position is at the edge of bottom or right sides
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// qGuiApp->screenAt will return nullptr, so we need to try to find current
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// screen by moving 1 pixel inside to the current desktop area
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if (!m_currentScreen && pos.x() > 0) {
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QPoint posCorrected(pos.x() - 1, pos.y());
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m_currentScreen = screenAt(posCorrected);
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}
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if (!m_currentScreen && pos.y() > 0) {
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QPoint posCorrected(pos.x(), pos.y() - 1);
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m_currentScreen = screenAt(posCorrected);
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}
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if (!m_currentScreen && pos.x() > 0 && pos.y() > 0) {
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QPoint posCorrected(pos.x() - 1, pos.y() - 1);
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m_currentScreen = screenAt(posCorrected);
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}
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#endif
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if (!m_currentScreen) {
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qCritical("Unable to get current screen, starting to use primary "
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"screen. It may be a cause of logical error and working with "
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"a wrong screen.");
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m_currentScreen = qGuiApp->primaryScreen();
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}
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return m_currentScreen;
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}
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QScreen* QGuiAppCurrentScreen::screenAt(const QPoint& pos)
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{
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#if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0))
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m_currentScreen = qGuiApp->screenAt(pos);
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#else
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for (QScreen* const screen : QGuiApplication::screens()) {
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m_currentScreen = screen;
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if (screen->geometry().contains(pos)) {
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break;
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}
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}
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#endif
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return m_currentScreen;
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} |