qt5base-lts/tests/manual/windowflags/controllerwindow.cpp
Tor Arne Vestbø 92dc1752d4 windowflags test: Don't assume window states can not be compound
The controls need to reflect the facts that e.g. maximized and fullscreen
can both be set at the same time, the same way a window can be minimized
and fullscreen.

Change-Id: I7f3e354a5efaefb9f51e6b1f24fa35980fe35899
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
2017-02-09 14:11:00 +00:00

346 lines
10 KiB
C++

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
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** accordance with the commercial license agreement provided with the
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** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
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****************************************************************************/
#include "controllerwindow.h"
#include "controls.h"
#include <QAction>
#include <QApplication>
#include <QCheckBox>
#include <QGroupBox>
#include <QHBoxLayout>
#include <QLabel>
#include <QMainWindow>
#include <QMenu>
#include <QPushButton>
#include <QRadioButton>
#include <QTabWidget>
#include <QMoveEvent>
#if QT_VERSION >= 0x050000
# include <QWindow>
# include <qlogging.h>
# include <QLibraryInfo>
#endif
#include <QDebug>
ControllerWidget::ControllerWidget(QWidget *parent)
: QWidget(parent)
, previewWidget(0)
{
parentWindow = new QMainWindow;
parentWindow->setWindowTitle(tr("Preview parent window"));
QLabel *label = new QLabel(tr("Parent window"));
parentWindow->setCentralWidget(label);
previewWindow = new PreviewWindow;
previewWindow->installEventFilter(this);
previewDialog = new PreviewDialog;
previewDialog->installEventFilter(this);
createTypeGroupBox();
hintsControl = new HintControl;
hintsControl->setHints(previewWindow->windowFlags());
connect(hintsControl, SIGNAL(changed(Qt::WindowFlags)), this, SLOT(updatePreview()));
statesControl = new WindowStatesControl;
statesControl->setStates(previewWindow->windowState());
statesControl->setVisibleValue(true);
connect(statesControl, SIGNAL(changed()), this, SLOT(updatePreview()));
typeControl = new TypeControl;
typeControl->setType(previewWindow->windowFlags());
connect(typeControl, SIGNAL(changed(Qt::WindowFlags)), this, SLOT(updatePreview()));
QVBoxLayout *mainLayout = new QVBoxLayout(this);
mainLayout->addWidget(widgetTypeGroupBox);
mainLayout->addWidget(additionalOptionsGroupBox);
mainLayout->addWidget(typeControl);
mainLayout->addWidget(hintsControl);
mainLayout->addWidget(statesControl);
updatePreview();
}
bool ControllerWidget::eventFilter(QObject *, QEvent *e)
{
if (e->type() == QEvent::WindowStateChange)
updateStateControl();
return false;
}
void ControllerWidget::updateStateControl()
{
if (previewWidget)
statesControl->setStates(previewWidget->windowState());
}
void ControllerWidget::updatePreview()
{
const Qt::WindowFlags flags = typeControl->type() | hintsControl->hints();
if (previewWidgetButton->isChecked()) {
previewWidget = previewWindow;
previewDialog->hide();
} else {
previewWidget = previewDialog;
previewWindow->hide();
}
if (modalWindowCheckBox->isChecked()) {
parentWindow->show();
previewWidget->setWindowModality(Qt::WindowModal);
previewWidget->setParent(parentWindow);
} else {
previewWidget->setWindowModality(Qt::NonModal);
previewWidget->setParent(0);
parentWindow->hide();
}
if (previewWidgetButton->isChecked())
previewWindow->setWindowFlags(flags);
else
previewDialog->setWindowFlags(flags);
if (fixedSizeWindowCheckBox->isChecked()) {
previewWidget->setFixedSize(300, 300);
} else {
previewWidget->setFixedSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
}
QPoint pos = previewWidget->pos();
if (pos.x() < 0)
pos.setX(0);
if (pos.y() < 0)
pos.setY(0);
previewWidget->move(pos);
previewWidget->setWindowState(statesControl->states());
previewWidget->setVisible(statesControl->visibleValue());
}
void ControllerWidget::createTypeGroupBox()
{
widgetTypeGroupBox = new QGroupBox(tr("Widget Type"));
previewWidgetButton = createRadioButton(tr("QWidget"));
previewWidgetButton->setChecked(true);
previewDialogButton = createRadioButton(tr("QDialog"));
QHBoxLayout *l = new QHBoxLayout;
l->addWidget(previewWidgetButton);
l->addWidget(previewDialogButton);
widgetTypeGroupBox->setLayout(l);
additionalOptionsGroupBox = new QGroupBox(tr("Additional options"));
l = new QHBoxLayout;
modalWindowCheckBox = createCheckBox(tr("Modal window"));
fixedSizeWindowCheckBox = createCheckBox(tr("Fixed size window"));
l->addWidget(modalWindowCheckBox);
l->addWidget(fixedSizeWindowCheckBox);
additionalOptionsGroupBox->setLayout(l);
}
QCheckBox *ControllerWidget::createCheckBox(const QString &text)
{
QCheckBox *checkBox = new QCheckBox(text);
connect(checkBox, SIGNAL(clicked()), this, SLOT(updatePreview()));
return checkBox;
}
QRadioButton *ControllerWidget::createRadioButton(const QString &text)
{
QRadioButton *button = new QRadioButton(text);
connect(button, SIGNAL(clicked()), this, SLOT(updatePreview()));
return button;
}
static bool isTopLevel(const QObject *o)
{
if (o->isWidgetType())
return static_cast<const QWidget *>(o)->isWindow();
#if QT_VERSION >= 0x050000
if (o->isWindowType())
return static_cast<const QWindow *>(o)->isTopLevel();
#endif
return false;
}
static Qt::WindowState windowState(const QObject *o)
{
if (o->isWidgetType()) {
Qt::WindowStates states = static_cast<const QWidget *>(o)->windowState();
states &= ~Qt::WindowActive;
return static_cast<Qt::WindowState>(int(states));
}
#if QT_VERSION >= 0x050000
if (o->isWindowType())
return static_cast<const QWindow *>(o)->windowState();
#endif
return Qt::WindowNoState;
}
class EventFilter : public QObject {
public:
explicit EventFilter(QObject *parent = 0) : QObject(parent) {}
bool eventFilter(QObject *o, QEvent *e)
{
switch (e->type()) {
case QEvent::Move:
case QEvent::Resize:
case QEvent::WindowStateChange:
case QEvent::ApplicationActivate:
case QEvent::ApplicationDeactivate:
#if QT_VERSION >= 0x050000
case QEvent::ApplicationStateChange:
#endif
if (isTopLevel(o))
formatEvent(o, e);
break;
default:
break;
}
return QObject::eventFilter(o ,e);
}
private:
void formatEvent(QObject *o, QEvent *e)
{
static int n = 0;
QDebug debug = qDebug().nospace();
#if QT_VERSION >= 0x050000
debug.noquote();
#endif
debug << '#' << n++ << ' ' << o->metaObject()->className();
const QString name = o->objectName();
if (!name.isEmpty())
debug << "/\"" << name << '"';
debug << ' ' << e;
if (e->type() == QEvent::WindowStateChange)
debug << ' ' << windowState(o);
}
};
LogWidget *LogWidget::m_instance = 0;
#if QT_VERSION >= 0x050000
static void qt5MessageHandler(QtMsgType, const QMessageLogContext &, const QString &text)
{
if (LogWidget *lw = LogWidget::instance())
lw->appendText(text);
}
#else // Qt 5
static void qt4MessageHandler(QtMsgType, const char *text)
{
if (LogWidget *lw = LogWidget::instance())
lw->appendText(QString::fromLocal8Bit(text));
}
#endif // Qt 4
LogWidget::LogWidget(QWidget *parent)
: QPlainTextEdit(parent)
{
LogWidget::m_instance = this;
setReadOnly(true);
appendText(startupMessage());
}
LogWidget::~LogWidget()
{
LogWidget::m_instance = 0;
}
void LogWidget::install()
{
#if QT_VERSION >= 0x050000
qInstallMessageHandler(qt5MessageHandler);
#else
qInstallMsgHandler(qt4MessageHandler);
#endif
}
QString LogWidget::startupMessage()
{
QString result;
#if QT_VERSION >= 0x050300
result += QLatin1String(QLibraryInfo::build());
#else
result += QLatin1String("Qt ") + QLatin1String(QT_VERSION_STR);
#endif
#if QT_VERSION >= 0x050000
result += QLatin1Char(' ');
result += QGuiApplication::platformName();
#endif
return result;
}
void LogWidget::appendText(const QString &message)
{
appendPlainText(message);
ensureCursorVisible();
}
ControllerWindow::ControllerWindow()
{
setWindowTitle(tr("Window Flags (Qt version %1, %2)")
.arg(QLatin1String(qVersion()),
#if QT_VERSION >= 0x050000
qApp->platformName()));
#else
QLatin1String("<unknown>")));
#endif
QVBoxLayout *layout = new QVBoxLayout(this);
QTabWidget *tabWidget = new QTabWidget(this);
ControllerWidget *controllerWidget = new ControllerWidget(tabWidget);
tabWidget->addTab(controllerWidget, tr("Control"));
LogWidget *logWidget = new LogWidget(tabWidget);
tabWidget->addTab(logWidget, tr("Event log"));
layout->addWidget(tabWidget);
QHBoxLayout *bottomLayout = new QHBoxLayout;
layout->addLayout(bottomLayout);
bottomLayout->addStretch();
QPushButton *updateControlsButton = new QPushButton(tr("&Update"));
connect(updateControlsButton, SIGNAL(clicked()), controllerWidget, SLOT(updateStateControl()));
bottomLayout->addWidget(updateControlsButton);
QPushButton *clearLogButton = new QPushButton(tr("Clear &Log"));
connect(clearLogButton, SIGNAL(clicked()), logWidget, SLOT(clear()));
bottomLayout->addWidget(clearLogButton);
QPushButton *quitButton = new QPushButton(tr("&Quit"));
connect(quitButton, SIGNAL(clicked()), qApp, SLOT(quit()));
quitButton->setShortcut(Qt::CTRL + Qt::Key_Q);
bottomLayout->addWidget(quitButton);
}
void ControllerWindow::registerEventFilter()
{
qApp->installEventFilter(new EventFilter(qApp));
}