qt5base-lts/tests/auto/qwidgetaction/tst_qwidgetaction.cpp
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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12
2011-04-27 12:05:43 +02:00

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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
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** No Commercial Usage
** This file contains pre-release code and may not be distributed.
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** contained in the Technology Preview License Agreement accompanying
** this package.
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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
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
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****************************************************************************/
#include <QtTest/QtTest>
#include <qapplication.h>
#include <qtoolbar.h>
#include <qcombobox.h>
#include <qwidgetaction.h>
#include <qlabel.h>
#include <qmenu.h>
#include <qmainwindow.h>
#include <qmenubar.h>
#include "../../shared/util.h"
//TESTED_CLASS=
//TESTED_FILES=
class tst_QWidgetAction : public QObject
{
Q_OBJECT
private slots:
void defaultWidget();
void visibilityUpdate();
void customWidget();
void keepOwnership();
void visibility();
void setEnabled();
void popup();
void releaseWidgetCrash();
};
void tst_QWidgetAction::defaultWidget()
{
{
QToolBar tb1;
QPointer<QComboBox> combo = new QComboBox(&tb1);
QWidgetAction *action = new QWidgetAction(0);
action->setDefaultWidget(combo);
QVERIFY(!combo->isVisible());
QVERIFY(!combo->parent());
QVERIFY(action->isVisible());
delete action;
QVERIFY(!combo);
}
{
QToolBar tb1;
QPointer<QComboBox> combo = new QComboBox(&tb1);
combo->hide();
QWidgetAction *action = new QWidgetAction(0);
action->setDefaultWidget(combo);
// explicitly hidden widgets should also set the action invisible
QVERIFY(!action->isVisible());
delete action;
}
{
QPointer<QComboBox> combo = new QComboBox(0);
combo->show();
QWidgetAction *action = new QWidgetAction(0);
action->setDefaultWidget(combo);
QVERIFY(action->isVisible());
QVERIFY(!combo->isVisible());
delete action;
}
{
QToolBar tb1;
tb1.show();
QToolBar tb2;
tb2.show();
QPointer<QComboBox> combo = new QComboBox(0);
QWidgetAction *action = new QWidgetAction(0);
action->setDefaultWidget(combo);
tb1.addAction(action);
QVERIFY(combo->parent() == &tb1);
qApp->processEvents();
qApp->processEvents();
QVERIFY(combo->isVisible());
// not supported, not supposed to work, hence the parent() check
tb2.addAction(action);
QVERIFY(combo->parent() == &tb1);
tb2.removeAction(action);
tb1.removeAction(action);
qApp->processEvents(); //the call to hide is delayd by the toolbar layout
QVERIFY(!combo->isVisible());
tb2.addAction(action);
qApp->processEvents(); //the call to hide is delayd by the toolbar layout
qApp->processEvents();
QVERIFY(combo->parent() == &tb2);
QVERIFY(combo->isVisible());
tb1.addAction(action);
QVERIFY(combo->parent() == &tb2);
delete action;
QVERIFY(!combo);
}
{
QWidgetAction *a = new QWidgetAction(0);
QVERIFY(!a->defaultWidget());
QPointer<QComboBox> combo1 = new QComboBox;
a->setDefaultWidget(combo1);
QVERIFY(a->defaultWidget() == combo1);
a->setDefaultWidget(combo1);
QVERIFY(combo1);
QVERIFY(a->defaultWidget() == combo1);
QPointer<QComboBox> combo2 = new QComboBox;
QVERIFY(combo1 != combo2);
a->setDefaultWidget(combo2);
QVERIFY(!combo1);
QVERIFY(a->defaultWidget() == combo2);
delete a;
QVERIFY(!combo2);
}
}
void tst_QWidgetAction::visibilityUpdate()
{
// actually keeping the widget's state in sync with the
// action in terms of visibility is QToolBar's responsibility.
QToolBar tb;
tb.show();
QComboBox *combo = new QComboBox(0);
QWidgetAction *action = new QWidgetAction(0);
action->setDefaultWidget(combo);
tb.addAction(action);
//the call to show is delayed by the toolbar layout
QTRY_VERIFY(combo->isVisible());
QVERIFY(action->isVisible());
action->setVisible(false);
//the call to hide is delayed by the toolbar layout
QTRY_VERIFY(!combo->isVisible());
delete action;
// action also deletes combo
}
class ComboAction : public QWidgetAction
{
public:
inline ComboAction(QObject *parent) : QWidgetAction(parent) {}
QList<QWidget *> createdWidgets() const { return QWidgetAction::createdWidgets(); }
protected:
virtual QWidget *createWidget(QWidget *parent);
};
QWidget *ComboAction::createWidget(QWidget *parent)
{
return new QComboBox(parent);
}
void tst_QWidgetAction::customWidget()
{
QToolBar tb1;
tb1.show();
QToolBar tb2;
tb2.show();
ComboAction *action = new ComboAction(0);
tb1.addAction(action);
QList<QWidget *> combos = action->createdWidgets();
QCOMPARE(combos.count(), 1);
QPointer<QComboBox> combo1 = qobject_cast<QComboBox *>(combos.at(0));
QVERIFY(combo1);
tb2.addAction(action);
combos = action->createdWidgets();
QCOMPARE(combos.count(), 2);
QVERIFY(combos.at(0) == combo1);
QPointer<QComboBox> combo2 = qobject_cast<QComboBox *>(combos.at(1));
QVERIFY(combo2);
tb2.removeAction(action);
QVERIFY(combo2);
// widget is deleted using deleteLater(), so process that posted event
QCoreApplication::sendPostedEvents(combo2, QEvent::DeferredDelete);
QVERIFY(!combo2);
delete action;
QVERIFY(!combo1);
QVERIFY(!combo2);
}
void tst_QWidgetAction::keepOwnership()
{
QPointer<QComboBox> combo = new QComboBox;
QWidgetAction *action = new QWidgetAction(0);
action->setDefaultWidget(combo);
{
QToolBar *tb = new QToolBar;
tb->addAction(action);
QVERIFY(combo->parent() == tb);
delete tb;
}
QVERIFY(combo);
delete action;
QVERIFY(!combo);
}
void tst_QWidgetAction::visibility()
{
{
QWidgetAction *a = new QWidgetAction(0);
QComboBox *combo = new QComboBox;
a->setDefaultWidget(combo);
QToolBar *tb = new QToolBar;
tb->addAction(a);
QVERIFY(!combo->isVisible());
tb->show();
QVERIFY(combo->isVisible());
delete tb;
delete a;
}
{
QWidgetAction *a = new QWidgetAction(0);
QComboBox *combo = new QComboBox;
a->setDefaultWidget(combo);
QToolBar *tb = new QToolBar;
tb->addAction(a);
QVERIFY(!combo->isVisible());
QToolBar *tb2 = new QToolBar;
tb->removeAction(a);
tb2->addAction(a);
QVERIFY(!combo->isVisible());
tb2->show();
QVERIFY(combo->isVisible());
delete tb;
delete tb2;
delete a;
}
}
void tst_QWidgetAction::setEnabled()
{
QToolBar toolbar;
QComboBox *combobox = new QComboBox;
QAction *action = toolbar.addWidget(combobox);
toolbar.show();
QVERIFY(action->isEnabled());
QVERIFY(combobox->isEnabled());
action->setEnabled(false);
QVERIFY(!action->isEnabled());
QVERIFY(!combobox->isEnabled());
action->setEnabled(true);
QVERIFY(action->isEnabled());
QVERIFY(combobox->isEnabled());
combobox->setEnabled(false);
QVERIFY(!combobox->isEnabled());
combobox->setEnabled(true);
QVERIFY(action->isEnabled());
QVERIFY(combobox->isEnabled());
QWidgetAction aw(0);
aw.setEnabled(false);
QVERIFY(!aw.isEnabled());
combobox = new QComboBox;
aw.setDefaultWidget(combobox);
QVERIFY(!aw.isEnabled());
QVERIFY(!combobox->isEnabled());
// Make sure we don't change the default widget's Qt::WA_ForceDisabled attribute
// during a normal disable/enable operation (task 207433).
{
QToolBar toolBar;
QWidget widget;
toolBar.addWidget(&widget); // creates a QWidgetAction and sets 'widget' as the default widget.
QVERIFY(!widget.testAttribute(Qt::WA_ForceDisabled));
toolBar.setEnabled(false);
QVERIFY(toolBar.testAttribute(Qt::WA_ForceDisabled));
QVERIFY(!widget.isEnabled());
QVERIFY(!widget.testAttribute(Qt::WA_ForceDisabled));
toolBar.setEnabled(true);
QVERIFY(widget.isEnabled());
QVERIFY(!widget.testAttribute(Qt::WA_ForceDisabled));
}
}
void tst_QWidgetAction::popup()
{
QPointer<QLabel> l = new QLabel("test");
QWidgetAction action(0);
action.setDefaultWidget(l);
{
QMenu menu;
menu.addAction(&action);
QTimer::singleShot(0, &menu, SLOT(close()));
menu.exec();
}
QVERIFY(!l.isNull());
delete l;
}
class CrashedAction : public QWidgetAction
{
public:
inline CrashedAction(QObject *parent) : QWidgetAction(parent) { }
virtual QWidget *createWidget(QWidget *parent) {
return new QWidget(parent);
}
};
void tst_QWidgetAction::releaseWidgetCrash()
{
// this should not crash!
QMainWindow *w = new QMainWindow;
QAction *a = new CrashedAction(w);
QMenu *menu = w->menuBar()->addMenu("Test");
menu->addAction("foo");
menu->addAction(a);
menu->addAction("bar");
delete w;
}
QTEST_MAIN(tst_QWidgetAction)
#include "tst_qwidgetaction.moc"