kopia lustrzana https://github.com/f4exb/sdrangel
135 wiersze
4.6 KiB
C++
135 wiersze
4.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2022-2023 Jon Beniston, M7RCE <jon@beniston.com> //
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// Copyright (C) 2023 Mohamed <mohamedadlyi@github.com> //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QDebug>
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#include <QApplication>
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#include <QScreen>
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#include <QTimer>
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#include <QResizeEvent>
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#include "dialogpositioner.h"
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DialogPositioner::DialogPositioner(QWidget *dialog, bool center) :
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QObject(dialog),
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m_dialog(dialog),
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m_center(center)
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{
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connect(dialog->screen(), &QScreen::orientationChanged, this, &DialogPositioner::orientationChanged);
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#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
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dialog->screen()->setOrientationUpdateMask(Qt::PortraitOrientation
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| Qt::LandscapeOrientation
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| Qt::InvertedPortraitOrientation
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| Qt::InvertedLandscapeOrientation);
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#endif
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if (m_center) {
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DialogPositioner::centerDialog(m_dialog);
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} else {
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DialogPositioner::positionDialog(m_dialog);
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}
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dialog->installEventFilter(this);
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}
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void DialogPositioner::orientationChanged(Qt::ScreenOrientation orientation)
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{
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(void) orientation;
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// Need a delay before geometry() reflects new orientation
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// https://bugreports.qt.io/browse/QTBUG-109127
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QTimer::singleShot(200, [this]() {
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if (m_center) {
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DialogPositioner::centerDialog(m_dialog);
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} else {
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DialogPositioner::positionDialog(m_dialog);
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}
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});
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}
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void DialogPositioner::centerDialog(QWidget *dialog)
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{
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// Restrict size of dialog to size of desktop
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DialogPositioner::sizeToDesktop(dialog);
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// Position in center of screen
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QRect desktop = dialog->screen()->availableGeometry();
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QSize size = dialog->size();
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QPoint pos;
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pos.setX((desktop.width() - size.width()) / 2);
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pos.setY((desktop.height() - size.height()) / 2);
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dialog->move(pos);
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}
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void DialogPositioner::positionDialog(QWidget *dialog)
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{
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// Restrict size of dialog to size of desktop
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DialogPositioner::sizeToDesktop(dialog);
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// Position so fully on screen
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QRect desktop = dialog->screen()->availableGeometry();
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QRect geometry = dialog->frameGeometry();
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QPoint pos = dialog->pos();
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bool move = false;
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if (pos.x() + geometry.width() > desktop.width())
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{
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pos.setX(desktop.width() - geometry.width());
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move = true;
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}
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if (pos.y() + geometry.height() > desktop.height())
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{
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pos.setY(desktop.height() - geometry.height());
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move = true;
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}
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if (move) {
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dialog->move(pos);
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}
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}
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void DialogPositioner::sizeToDesktop(QWidget *widget)
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{
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QRect desktop = widget->screen()->availableGeometry();
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QSize size = widget->size();
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bool resize = false;
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if (size.width() > desktop.width())
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{
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size.setWidth(desktop.width());
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resize = true;
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}
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if (size.height() > desktop.height())
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{
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size.setHeight(desktop.height());
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resize = true;
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}
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if (resize) {
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widget->resize(size);
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}
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}
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bool DialogPositioner::eventFilter(QObject *obj, QEvent *event)
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{
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if (event->type() == QEvent::Show)
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{
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if (m_center) {
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DialogPositioner::centerDialog(m_dialog);
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} else {
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DialogPositioner::positionDialog(m_dialog);
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}
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}
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return QObject::eventFilter(obj, event);
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}
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