144 lines
3.1 KiB
C++
Executable File
144 lines
3.1 KiB
C++
Executable File
/**
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* @RDE_HEADER@
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* Background Widget that covers a monitor with the project image
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* $Id$
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* $HeadURL$
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* $Author$
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* Created by Mike Wille, SLSE, 2016-05-05
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*/
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#include "lts_background_widget.h"
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#include <QPaintEvent>
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#include <QPainter>
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#include <QDebug>
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#ifdef Q_OS_WIN
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#include <QtPlatformHeaders/qwindowswindowfunctions.h>
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#endif
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namespace LtsWidgets
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{
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LtsBackgroundWidget::LtsBackgroundWidget(QWidget *parent)
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: QDialog(parent)
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, m_isUltraWide(false)
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{
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setMouseTracking(true); // register mouse movement
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setWindowFlags(windowFlags() | Qt::FramelessWindowHint /*| Qt::WindowStaysOnBottomHint*/);
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setWindowTitle(QStringLiteral("Splash"));
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setBackground();
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}
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void LtsBackgroundWidget::setBackground()
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{
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static const auto backgroundFiles =
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{
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QStringLiteral(":/project/background.png"),
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QStringLiteral(":/project/background.jpg"),
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};
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static const auto backgroundFilesWide =
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{
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QStringLiteral(":/project/background_wide.png"),
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QStringLiteral(":/project/background_wide.jpg"),
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};
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m_pixmap = QPixmap();
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for (const QString &f : m_isUltraWide ? backgroundFilesWide : backgroundFiles)
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{
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if (!QFile::exists(f))
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continue;
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m_pixmap = QPixmap(f);
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if (m_pixmap.isNull())
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continue;
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break;
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}
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if (m_pixmap.isNull())
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{
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if (m_isUltraWide)
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{
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m_isUltraWide = false;
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setBackground();
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}
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else
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{
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qWarning() << "BackgroundWidget::c_tor: file missing or is not a valid image ':/project/background.png'";
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}
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}
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}
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void LtsBackgroundWidget::setUltraWide(bool set)
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{
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if (set == m_isUltraWide) // do not set / unset ultra wide if it's already set to specified state
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return;
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m_isUltraWide = set;
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setBackground();
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update(); // force redraw on next event loop
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}
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void LtsBackgroundWidget::resizeEvent(QResizeEvent *e)
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{
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setUltraWide(width() > 3000);
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QDialog::resizeEvent(e);
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}
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void LtsBackgroundWidget::paintEvent(QPaintEvent *e)
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{
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if (!m_pixmap.isNull())
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{
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QPainter painter(this);
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painter.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
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painter.drawPixmap(0, 0, width(), height(), m_pixmap); // draw project background on login splash
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}
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QDialog::paintEvent(e);
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}
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bool LtsBackgroundWidget::event(QEvent *e)
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{
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if (e->type() == QEvent::KeyPress || // respect typing into textfields
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e->type() == QEvent::MouseButtonPress ||
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e->type() == QEvent::MouseButtonRelease ||
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e->type() == QEvent::MouseMove)
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{
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//qWarning() << "BGW operator action!";
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emit signalOperatorAction();
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e->ignore();
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return true;
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}
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return QDialog::event(e);
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}
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void LtsBackgroundWidget::showFullScreen()
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{
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//qWarning() << "show fullscreen !";
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#ifdef Q_OS_WIN
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winId(); // make sure windowHandle() is not a nullptr
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QWindowsWindowFunctions::setHasBorderInFullScreen(windowHandle(), true);
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#endif
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QDialog::showFullScreen();
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raise(); // as this is a widget for the background, it has to be raised, but only once at startup
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}
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void LtsBackgroundWidget::closeEvent(QCloseEvent *e)
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{
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#ifdef DEVEL
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deleteLater();
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#else
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e->ignore();
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#endif
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}
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} // namespace LtsWidgets
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