78f946f6dc
It's necessary to set the fieldGrowthPolicy on the QFormLayout in order to have expanding fields on the Mac. Geometry formatting with negative x and y values looks better. Display fewer decimal digits for double fields. Change-Id: Icb252c0c3fb7b605253e04c3361beba124570840 Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>
106 lines
4.4 KiB
C++
106 lines
4.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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** This file is part of the test suite of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** General Public License version 2.1 as published by the Free Software
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** $QT_END_LICENSE$
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****************************************************************************/
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#include "propertywatcher.h"
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#include <QApplication>
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#include <QScreen>
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#include <QWindow>
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#include <QDebug>
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#include <QFormLayout>
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#include <QLineEdit>
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int i = 0;
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void updateSiblings(PropertyWatcher* w)
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{
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QLineEdit *siblingsField = w->findChild<QLineEdit *>("siblings");
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QScreen* screen = (QScreen*)w->subject();
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QStringList siblingsList;
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foreach (QScreen *sibling, screen->virtualSiblings())
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siblingsList << sibling->name();
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siblingsField->setText(siblingsList.join(", "));
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}
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void screenAdded(QScreen* screen)
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{
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screen->setOrientationUpdateMask((Qt::ScreenOrientations)0x0F);
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qDebug("\nscreenAdded %s siblings %d first %s", qPrintable(screen->name()), screen->virtualSiblings().count(),
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(screen->virtualSiblings().isEmpty() ? "none" : qPrintable(screen->virtualSiblings().first()->name())));
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PropertyWatcher *w = new PropertyWatcher(screen, QString::number(i++));
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QLineEdit *siblingsField = new QLineEdit();
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siblingsField->setObjectName("siblings");
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siblingsField->setReadOnly(true);
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w->layout()->insertRow(0, "virtualSiblings", siblingsField);
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updateSiblings(w);
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// This doesn't work. If the multiple screens are part of
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// a virtual desktop (i.e. they are virtual siblings), then
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// setScreen has no effect, and we need the code below to
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// change the window geometry. If on the other hand the
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// screens are really separate, so that windows are not
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// portable between them, XCreateWindow needs to have not just
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// a different root Window but also a different Display, in order to
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// put the window on the other screen. That would require a
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// different QXcbConnection. So this setScreen call doesn't seem useful.
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//w->windowHandle()->setScreen(screen);
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// But this works as long as the screens are all virtual siblings
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w->show();
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QRect geom = w->geometry();
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geom.moveCenter(screen->geometry().center());
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w->move(geom.topLeft());
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// workaround for the fact that virtualSiblings is not a property,
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// thus there is no change notification:
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// allow the user to update the field manually
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QObject::connect(w, &PropertyWatcher::updatedAllFields, &updateSiblings);
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}
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int main(int argc, char *argv[])
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{
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QApplication a(argc, argv);
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QList<QScreen *> screens = QGuiApplication::screens();
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foreach (QScreen *screen, screens)
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screenAdded(screen);
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QObject::connect((const QGuiApplication*)QGuiApplication::instance(), &QGuiApplication::screenAdded, &screenAdded);
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return a.exec();
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}
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