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