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    40 ****************************************************************************/

    41 

    42 

    43 #include <QtTest/QtTest>

    44 

    45 #include <qapplication.h>

    46 #include <qtoolbar.h>

    47 #include <qcombobox.h>

    48 #include <qwidgetaction.h>

    49 #include <qlabel.h>

    50 #include <qmenu.h>

    51 #include <qmainwindow.h>

    52 #include <qmenubar.h>

    53 

    54 //TESTED_CLASS=

    55 //TESTED_FILES=

    56 

    57 class tst_QWidgetAction : public QObject

    58 {

    59     Q_OBJECT

    60 private slots:

    61     void defaultWidget();

    62     void visibilityUpdate();

    63     void customWidget();

    64     void keepOwnership();

    65     void visibility();

    66     void setEnabled();

    67     void popup();

    68     void releaseWidgetCrash();

    69 };

    70 

    71 void tst_QWidgetAction::defaultWidget()

    72 {

    73     {

    74         QToolBar tb1;

    75 

    76         QPointer<QComboBox> combo = new QComboBox(&tb1);

    77 

    78         QWidgetAction *action = new QWidgetAction(0);

    79         action->setDefaultWidget(combo);

    80 

    81         QVERIFY(!combo->isVisible());

    82         QVERIFY(!combo->parent());

    83         QVERIFY(action->isVisible());

    84 

    85         delete action;

    86         QVERIFY(!combo);

    87     }

    88     {

    89         QToolBar tb1;

    90 

    91         QPointer<QComboBox> combo = new QComboBox(&tb1);

    92         combo->hide();

    93 

    94         QWidgetAction *action = new QWidgetAction(0);

    95         action->setDefaultWidget(combo);

    96 

    97         // explicitly hidden widgets should also set the action invisible

    98         QVERIFY(!action->isVisible());

    99 

   100         delete action;

   101     }

   102     {

   103         QPointer<QComboBox> combo = new QComboBox(0);

   104         combo->show();

   105 

   106         QWidgetAction *action = new QWidgetAction(0);

   107         action->setDefaultWidget(combo);

   108 

   109         QVERIFY(action->isVisible());

   110         QVERIFY(!combo->isVisible());

   111 

   112         delete action;

   113     }

   114     {

   115         QToolBar tb1;

   116         tb1.show();

   117         QToolBar tb2;

   118         tb2.show();

   119 

   120         QPointer<QComboBox> combo = new QComboBox(0);

   121 

   122         QWidgetAction *action = new QWidgetAction(0);

   123         action->setDefaultWidget(combo);

   124 

   125         tb1.addAction(action);

   126         QVERIFY(combo->parent() == &tb1);

   127         qApp->processEvents();

   128         qApp->processEvents();

   129         QVERIFY(combo->isVisible());

   130 

   131         // not supported, not supposed to work, hence the parent() check

   132         tb2.addAction(action);

   133         QVERIFY(combo->parent() == &tb1);

   134 

   135         tb2.removeAction(action);

   136         tb1.removeAction(action);

   137 

   138         qApp->processEvents(); //the call to hide is delayd by the toolbar layout

   139         QVERIFY(!combo->isVisible());

   140 

   141         tb2.addAction(action);

   142         qApp->processEvents(); //the call to hide is delayd by the toolbar layout

   143         qApp->processEvents();

   144         QVERIFY(combo->parent() == &tb2);

   145         QVERIFY(combo->isVisible());

   146 

   147         tb1.addAction(action);

   148         QVERIFY(combo->parent() == &tb2);

   149 

   150         delete action;

   151         QVERIFY(!combo);

   152     }

   153     {

   154         QWidgetAction *a = new QWidgetAction(0);

   155         QVERIFY(!a->defaultWidget());

   156 

   157         QPointer<QComboBox> combo1 = new QComboBox;

   158         a->setDefaultWidget(combo1);

   159         QVERIFY(a->defaultWidget() == combo1);

   160         a->setDefaultWidget(combo1);

   161         QVERIFY(combo1);

   162         QVERIFY(a->defaultWidget() == combo1);

   163 

   164         QPointer<QComboBox> combo2 = new QComboBox;

   165         QVERIFY(combo1 != combo2);

   166 

   167         a->setDefaultWidget(combo2);

   168         QVERIFY(!combo1);

   169         QVERIFY(a->defaultWidget() == combo2);

   170 

   171         delete a;

   172         QVERIFY(!combo2);

   173     }

   174 }

   175 

   176 void tst_QWidgetAction::visibilityUpdate()

   177 {

   178     // actually keeping the widget's state in sync with the

   179     // action in terms of visibility is QToolBar's responsibility.

   180     QToolBar tb;

   181     tb.show();

   182 

   183     QComboBox *combo = new QComboBox(0);

   184     QWidgetAction *action = new QWidgetAction(0);

   185     action->setDefaultWidget(combo);

   186 

   187     tb.addAction(action);

   188     qApp->processEvents(); //the call to show is delayed by the toolbar layout

   189     QVERIFY(combo->isVisible());

   190     QVERIFY(action->isVisible());

   191 

   192     action->setVisible(false);

   193     QTest::qWait(100); //the call to hide is delayed by the toolbar layout

   194     QVERIFY(!combo->isVisible());

   195 

   196     delete action;

   197     // action also deletes combo

   198 }

   199 

   200 class ComboAction : public QWidgetAction

   201 {

   202 public:

   203     inline ComboAction(QObject *parent) : QWidgetAction(parent) {}

   204 

   205     QList<QWidget *> createdWidgets() const { return QWidgetAction::createdWidgets(); }

   206 

   207 protected:

   208     virtual QWidget *createWidget(QWidget *parent);

   209 };

   210 

   211 QWidget *ComboAction::createWidget(QWidget *parent)

   212 {

   213     return new QComboBox(parent);

   214 }

   215 

   216 void tst_QWidgetAction::customWidget()

   217 {

   218     QToolBar tb1;

   219     tb1.show();

   220     QToolBar tb2;

   221     tb2.show();

   222 

   223     ComboAction *action = new ComboAction(0);

   224 

   225     tb1.addAction(action);

   226 

   227     QList<QWidget *> combos = action->createdWidgets();

   228     QCOMPARE(combos.count(), 1);

   229 

   230     QPointer<QComboBox> combo1 = qobject_cast<QComboBox *>(combos.at(0));

   231     QVERIFY(combo1);

   232 

   233     tb2.addAction(action);

   234 

   235     combos = action->createdWidgets();

   236     QCOMPARE(combos.count(), 2);

   237 

   238     QVERIFY(combos.at(0) == combo1);

   239     QPointer<QComboBox> combo2 = qobject_cast<QComboBox *>(combos.at(1));

   240     QVERIFY(combo2);

   241 

   242     tb2.removeAction(action);

   243     QVERIFY(combo2);

   244     // widget is deleted using deleteLater(), so process that posted event

   245     QCoreApplication::sendPostedEvents(combo2, QEvent::DeferredDelete);

   246     QVERIFY(!combo2);

   247 

   248     delete action;

   249     QVERIFY(!combo1);

   250     QVERIFY(!combo2);

   251 }

   252 

   253 void tst_QWidgetAction::keepOwnership()

   254 {

   255     QPointer<QComboBox> combo = new QComboBox;

   256     QWidgetAction *action = new QWidgetAction(0);

   257     action->setDefaultWidget(combo);

   258 

   259     {

   260         QToolBar *tb = new QToolBar;

   261         tb->addAction(action);

   262         QVERIFY(combo->parent() == tb);

   263         delete tb;

   264     }

   265 

   266     QVERIFY(combo);

   267     delete action;

   268     QVERIFY(!combo);

   269 }

   270 

   271 void tst_QWidgetAction::visibility()

   272 {

   273     {

   274         QWidgetAction *a = new QWidgetAction(0);

   275         QComboBox *combo = new QComboBox;

   276         a->setDefaultWidget(combo);

   277 

   278         QToolBar *tb = new QToolBar;

   279         tb->addAction(a);

   280         QVERIFY(!combo->isVisible());

   281         tb->show();

   282         QVERIFY(combo->isVisible());

   283 

   284         delete tb;

   285 

   286         delete a;

   287     }

   288     {

   289         QWidgetAction *a = new QWidgetAction(0);

   290         QComboBox *combo = new QComboBox;

   291         a->setDefaultWidget(combo);

   292 

   293         QToolBar *tb = new QToolBar;

   294         tb->addAction(a);

   295         QVERIFY(!combo->isVisible());

   296 

   297         QToolBar *tb2 = new QToolBar;

   298         tb->removeAction(a);

   299         tb2->addAction(a);

   300         QVERIFY(!combo->isVisible());

   301         tb2->show();

   302         QVERIFY(combo->isVisible());

   303 

   304         delete tb;

   305         delete tb2;

   306 

   307         delete a;

   308     }

   309 }

   310 

   311 void tst_QWidgetAction::setEnabled()

   312 {

   313     QToolBar toolbar;

   314     QComboBox *combobox = new QComboBox;

   315     QAction *action = toolbar.addWidget(combobox);

   316     toolbar.show();

   317 

   318     QVERIFY(action->isEnabled());

   319     QVERIFY(combobox->isEnabled());

   320 

   321     action->setEnabled(false);

   322     QVERIFY(!action->isEnabled());

   323     QVERIFY(!combobox->isEnabled());

   324 

   325     action->setEnabled(true);

   326     QVERIFY(action->isEnabled());

   327     QVERIFY(combobox->isEnabled());

   328 

   329     combobox->setEnabled(false);

   330     QVERIFY(!combobox->isEnabled());

   331 

   332     combobox->setEnabled(true);

   333     QVERIFY(action->isEnabled());

   334     QVERIFY(combobox->isEnabled());

   335 

   336 

   337     QWidgetAction aw(0);

   338     aw.setEnabled(false);

   339     QVERIFY(!aw.isEnabled());

   340 

   341     combobox = new QComboBox;

   342     aw.setDefaultWidget(combobox);

   343     QVERIFY(!aw.isEnabled());

   344     QVERIFY(!combobox->isEnabled());

   345 

   346     // Make sure we don't change the default widget's Qt::WA_ForceDisabled attribute

   347     // during a normal disable/enable operation (task 207433).

   348     {

   349         QToolBar toolBar;

   350         QWidget widget;

   351         toolBar.addWidget(&widget); // creates a QWidgetAction and sets 'widget' as the default widget.

   352         QVERIFY(!widget.testAttribute(Qt::WA_ForceDisabled));

   353 

   354         toolBar.setEnabled(false);

   355         QVERIFY(toolBar.testAttribute(Qt::WA_ForceDisabled));

   356         QVERIFY(!widget.isEnabled());

   357         QVERIFY(!widget.testAttribute(Qt::WA_ForceDisabled));

   358 

   359         toolBar.setEnabled(true);

   360         QVERIFY(widget.isEnabled());

   361         QVERIFY(!widget.testAttribute(Qt::WA_ForceDisabled));

   362     }

   363 }

   364 

   365 void tst_QWidgetAction::popup()

   366 {

   367     QPointer<QLabel> l = new QLabel("test");

   368     QWidgetAction action(0);

   369     action.setDefaultWidget(l);

   370 

   371     {

   372         QMenu menu;

   373         menu.addAction(&action);

   374         QTimer::singleShot(0, &menu, SLOT(close()));

   375         menu.exec();

   376     }

   377 

   378     QVERIFY(!l.isNull());

   379     delete l;

   380 }

   381 

   382 class CrashedAction : public QWidgetAction

   383 {

   384 public:

   385     inline CrashedAction(QObject *parent) : QWidgetAction(parent) { }

   386 

   387     virtual QWidget *createWidget(QWidget *parent) {

   388         return new QWidget(parent);

   389     }

   390 };

   391 

   392 void tst_QWidgetAction::releaseWidgetCrash()

   393 {

   394     // this should not crash!

   395     QMainWindow *w = new QMainWindow;

   396     QAction *a = new CrashedAction(w);

   397     QMenu *menu = w->menuBar()->addMenu("Test");

   398     menu->addAction(a);

   399     delete w;

   400 }

   401 

   402 QTEST_MAIN(tst_QWidgetAction)

   403 #include "tst_qwidgetaction.moc"