tests/auto/other/qfocusevent/tst_qfocusevent.cpp

   1 /****************************************************************************
   2 **
   3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
   4 ** Contact: http://www.qt-project.org/
   5 **
   6 ** This file is part of the test suite of the Qt Toolkit.
   7 **
   8 ** $QT_BEGIN_LICENSE:LGPL$
   9 ** GNU Lesser General Public License Usage
  10 ** This file may be used under the terms of the GNU Lesser General Public
  11 ** License version 2.1 as published by the Free Software Foundation and
  12 ** appearing in the file LICENSE.LGPL included in the packaging of this
  13 ** file. Please review the following information to ensure the GNU Lesser
  14 ** General Public License version 2.1 requirements will be met:
  15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
  16 **
  17 ** In addition, as a special exception, Nokia gives you certain additional
  18 ** rights. These rights are described in the Nokia Qt LGPL Exception
  19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
  20 **
  21 ** GNU General Public License Usage
  22 ** Alternatively, this file may be used under the terms of the GNU General
  23 ** Public License version 3.0 as published by the Free Software Foundation
  24 ** and appearing in the file LICENSE.GPL included in the packaging of this
  25 ** file. Please review the following information to ensure the GNU General
  26 ** Public License version 3.0 requirements will be met:
  27 ** http://www.gnu.org/copyleft/gpl.html.
  28 **
  29 ** Other Usage
  30 ** Alternatively, this file may be used in accordance with the terms and
  31 ** conditions contained in a signed written agreement between you and Nokia.
  32 **
  33 **
  34 **
  35 **
  36 **
  37 **
  38 ** $QT_END_LICENSE$
  39 **
  40 ****************************************************************************/
  41
  42
  43 #include <QtTest/QtTest>
  44 #include <qapplication.h>
  45 #include <qlineedit.h>
  46 #include <qmenu.h>
  47 #include <qlabel.h>
  48 #include <qdialog.h>
  49 #include <qevent.h>
  50 #include <qlineedit.h>
  51 #include <QBoxLayout>
  52
  53 QT_FORWARD_DECLARE_CLASS(QWidget)
  54
  55 class FocusLineEdit : public QLineEdit
  56 {
  57 public:
  58     FocusLineEdit( QWidget* parent = 0, const char* name = 0 ) : QLineEdit(name, parent) {}
  59     int focusInEventReason;
  60     int focusOutEventReason;
  61     bool focusInEventRecieved;
  62     bool focusInEventGotFocus;
  63     bool focusOutEventRecieved;
  64     bool focusOutEventLostFocus;
  65 protected:
  66     virtual void keyPressEvent( QKeyEvent *e )
  67     {
  68 //        qDebug( QString("keyPressEvent: %1").arg(e->key()) );
  69         QLineEdit::keyPressEvent( e );
  70     }
  71     void focusInEvent( QFocusEvent* e )
  72     {
  73         QLineEdit::focusInEvent( e );
  74         focusInEventReason = e->reason();
  75             focusInEventGotFocus = e->gotFocus();
  76         focusInEventRecieved = true;
  77     }
  78     void focusOutEvent( QFocusEvent* e )
  79     {
  80         QLineEdit::focusOutEvent( e );
  81         focusOutEventReason = e->reason();
  82             focusOutEventLostFocus = !e->gotFocus();
  83         focusOutEventRecieved = true;
  84     }
  85 };
  86
  87 class tst_QFocusEvent : public QObject
  88 {
  89     Q_OBJECT
  90
  91 public:
  92     tst_QFocusEvent();
  93     virtual ~tst_QFocusEvent();
  94
  95
  96     void initWidget();
  97
  98 public slots:
  99     void initTestCase();
 100     void cleanupTestCase();
 101     void init();
 102     void cleanup();
 103 private slots:
 104     void checkReason_Tab();
 105     void checkReason_ShiftTab();
 106     void checkReason_BackTab();
 107     void checkReason_Popup();
 108     void checkReason_focusWidget();
 109     void checkReason_Shortcut();
 110     void checkReason_ActiveWindow();
 111
 112 private:
 113     QWidget* testFocusWidget;
 114     FocusLineEdit* childFocusWidgetOne;
 115     FocusLineEdit* childFocusWidgetTwo;
 116 };
 117
 118 tst_QFocusEvent::tst_QFocusEvent()
 119 {
 120 }
 121
 122 tst_QFocusEvent::~tst_QFocusEvent()
 123 {
 124
 125 }
 126
 127 void tst_QFocusEvent::initTestCase()
 128 {
 129     testFocusWidget = new QWidget( 0 );
 130     childFocusWidgetOne = new FocusLineEdit( testFocusWidget );
 131     childFocusWidgetOne->setGeometry( 10, 10, 180, 20 );
 132     childFocusWidgetTwo = new FocusLineEdit( testFocusWidget );
 133     childFocusWidgetTwo->setGeometry( 10, 50, 180, 20 );
 134
 135     //qApp->setMainWidget( testFocusWidget ); Qt4
 136     testFocusWidget->resize( 200,100 );
 137     testFocusWidget->show();
 138     QVERIFY(QTest::qWaitForWindowExposed(testFocusWidget));
 139 // Applications don't get focus when launched from the command line on Mac.
 140 #ifdef Q_OS_MAC
 141     testFocusWidget->raise();
 142 #endif
 143 }
 144
 145 void tst_QFocusEvent::cleanupTestCase()
 146 {
 147     delete testFocusWidget;
 148 }
 149
 150 void tst_QFocusEvent::init()
 151 {
 152 }
 153
 154 void tst_QFocusEvent::cleanup()
 155 {
 156     childFocusWidgetTwo->setGeometry( 10, 50, 180, 20 );
 157 }
 158
 159 void tst_QFocusEvent::initWidget()
 160 {
 161     // On X11 we have to ensure the event was processed before doing any checking, on Windows
 162     // this is processed straight away.
 163     QApplication::setActiveWindow(testFocusWidget);
 164     childFocusWidgetOne->setFocus(); // The first lineedit should have focus
 165     QVERIFY(QTest::qWaitForWindowActive(testFocusWidget));
 166     QTRY_VERIFY(childFocusWidgetOne->hasFocus());
 167
 168     childFocusWidgetOne->focusInEventRecieved = false;
 169     childFocusWidgetOne->focusInEventGotFocus = false;
 170     childFocusWidgetOne->focusInEventReason = -1;
 171     childFocusWidgetOne->focusOutEventRecieved = false;
 172     childFocusWidgetOne->focusOutEventLostFocus = false;
 173     childFocusWidgetOne->focusOutEventReason = -1;
 174     childFocusWidgetTwo->focusInEventRecieved = false;
 175     childFocusWidgetTwo->focusInEventGotFocus = false;
 176     childFocusWidgetTwo->focusInEventReason = -1;
 177     childFocusWidgetTwo->focusOutEventRecieved = false;
 178     childFocusWidgetTwo->focusOutEventLostFocus = false;
 179     childFocusWidgetTwo->focusOutEventReason = -1;
 180 }
 181
 182 void tst_QFocusEvent::checkReason_Tab()
 183 {
 184     initWidget();
 185
 186     // Now test the tab key
 187     QTest::keyClick( childFocusWidgetOne, Qt::Key_Tab );
 188
 189     QVERIFY(childFocusWidgetOne->focusOutEventRecieved);
 190     QVERIFY(childFocusWidgetTwo->focusInEventRecieved);
 191     QVERIFY(childFocusWidgetOne->focusOutEventLostFocus);
 192     QVERIFY(childFocusWidgetTwo->focusInEventGotFocus);
 193
 194     QVERIFY( childFocusWidgetTwo->hasFocus() );
 195     QCOMPARE( childFocusWidgetOne->focusOutEventReason, (int) Qt::TabFocusReason );
 196     QCOMPARE( childFocusWidgetTwo->focusInEventReason, (int) Qt::TabFocusReason );
 197 }
 198
 199 void tst_QFocusEvent::checkReason_ShiftTab()
 200 {
 201     initWidget();
 202
 203     // Now test the shift + tab key
 204     QTest::keyClick( childFocusWidgetOne, Qt::Key_Tab, Qt::ShiftModifier );
 205
 206     QVERIFY(childFocusWidgetOne->focusOutEventRecieved);
 207     QVERIFY(childFocusWidgetTwo->focusInEventRecieved);
 208     QVERIFY(childFocusWidgetOne->focusOutEventLostFocus);
 209     QVERIFY(childFocusWidgetTwo->focusInEventGotFocus);
 210
 211     QVERIFY( childFocusWidgetTwo->hasFocus() );
 212     QCOMPARE( childFocusWidgetOne->focusOutEventReason, (int)Qt::BacktabFocusReason );
 213     QCOMPARE( childFocusWidgetTwo->focusInEventReason, (int)Qt::BacktabFocusReason );
 214
 215 }
 216
 217 /*!
 218     In this test we verify that the Qt::KeyBacktab key is handled in a qfocusevent
 219 */
 220 void tst_QFocusEvent::checkReason_BackTab()
 221 {
 222 #ifdef Q_OS_WIN32 // key is not supported on Windows
 223     QSKIP( "Backtab is not supported on Windows");
 224 #else
 225     initWidget();
 226     QVERIFY( childFocusWidgetOne->hasFocus() );
 227
 228     // Now test the backtab key
 229     QTest::keyClick( childFocusWidgetOne, Qt::Key_Backtab );
 230     QTest::qWait(200);
 231
 232     QTRY_VERIFY(childFocusWidgetOne->focusOutEventRecieved);
 233     QVERIFY(childFocusWidgetTwo->focusInEventRecieved);
 234     QVERIFY(childFocusWidgetOne->focusOutEventLostFocus);
 235     QVERIFY(childFocusWidgetTwo->focusInEventGotFocus);
 236
 237     QVERIFY( childFocusWidgetTwo->hasFocus() );
 238     QCOMPARE( childFocusWidgetOne->focusOutEventReason, int(Qt::BacktabFocusReason) );
 239     QCOMPARE( childFocusWidgetTwo->focusInEventReason, int(Qt::BacktabFocusReason) );
 240 #endif
 241 }
 242
 243 void tst_QFocusEvent::checkReason_Popup()
 244 {
 245     initWidget();
 246
 247     // Now test the popup reason
 248     QMenu* popupMenu = new QMenu( testFocusWidget );
 249     popupMenu->addMenu( "Test" );
 250     popupMenu->popup( QPoint(0,0) );
 251     QTest::qWait(50);
 252
 253     QTRY_VERIFY(childFocusWidgetOne->focusOutEventLostFocus);
 254
 255     QTRY_VERIFY( childFocusWidgetOne->hasFocus() );
 256     QVERIFY( !childFocusWidgetOne->focusInEventRecieved );
 257     QVERIFY( childFocusWidgetOne->focusOutEventRecieved );
 258     QVERIFY( !childFocusWidgetTwo->focusInEventRecieved );
 259     QVERIFY( !childFocusWidgetTwo->focusOutEventRecieved );
 260     QCOMPARE( childFocusWidgetOne->focusOutEventReason, int(Qt::PopupFocusReason));
 261
 262     popupMenu->hide();
 263
 264     QVERIFY(childFocusWidgetOne->focusInEventRecieved);
 265     QVERIFY(childFocusWidgetOne->focusInEventGotFocus);
 266
 267     QVERIFY( childFocusWidgetOne->hasFocus() );
 268     QVERIFY( childFocusWidgetOne->focusInEventRecieved );
 269     QVERIFY( childFocusWidgetOne->focusOutEventRecieved );
 270     QVERIFY( !childFocusWidgetTwo->focusInEventRecieved );
 271     QVERIFY( !childFocusWidgetTwo->focusOutEventRecieved );
 272 }
 273
 274 #ifdef Q_OS_MAC
 275 QT_BEGIN_NAMESPACE
 276     extern void qt_set_sequence_auto_mnemonic(bool);
 277 QT_END_NAMESPACE
 278 #endif
 279
 280 void tst_QFocusEvent::checkReason_Shortcut()
 281 {
 282     initWidget();
 283 #ifdef Q_OS_MAC
 284     qt_set_sequence_auto_mnemonic(true);
 285 #endif
 286     QLabel* label = new QLabel( "&Test", testFocusWidget );
 287     label->setBuddy( childFocusWidgetTwo );
 288     label->setGeometry( 10, 50, 90, 20 );
 289     childFocusWidgetTwo->setGeometry( 105, 50, 95, 20 );
 290     label->show();
 291
 292     QVERIFY( childFocusWidgetOne->hasFocus() );
 293     QVERIFY( !childFocusWidgetTwo->hasFocus() );
 294
 295     QTest::keyClick( label, Qt::Key_T, Qt::AltModifier );
 296
 297     QVERIFY(childFocusWidgetOne->focusOutEventRecieved);
 298     QVERIFY(childFocusWidgetTwo->focusInEventRecieved);
 299     QVERIFY(childFocusWidgetOne->focusOutEventLostFocus);
 300     QVERIFY(childFocusWidgetTwo->focusInEventGotFocus);
 301
 302     QVERIFY( childFocusWidgetTwo->hasFocus() );
 303     QVERIFY( !childFocusWidgetOne->focusInEventRecieved );
 304     QVERIFY( childFocusWidgetOne->focusOutEventRecieved );
 305     QCOMPARE( childFocusWidgetOne->focusOutEventReason, (int)Qt::ShortcutFocusReason );
 306     QVERIFY( childFocusWidgetTwo->focusInEventRecieved );
 307     QCOMPARE( childFocusWidgetTwo->focusInEventReason, (int)Qt::ShortcutFocusReason );
 308     QVERIFY( !childFocusWidgetTwo->focusOutEventRecieved );
 309
 310     label->hide();
 311     QVERIFY( childFocusWidgetTwo->hasFocus() );
 312     QVERIFY( !childFocusWidgetOne->hasFocus() );
 313 #ifdef Q_OS_MAC
 314     qt_set_sequence_auto_mnemonic(false);
 315 #endif
 316 }
 317
 318 void tst_QFocusEvent::checkReason_focusWidget()
 319 {
 320     // This test checks that a widget doesn't loose
 321     // its focuswidget just because the focuswidget looses focus.
 322     QWidget window1;
 323     QWidget frame1;
 324     QWidget frame2;
 325     QLineEdit edit1;
 326     QLineEdit edit2;
 327
 328     QVBoxLayout outerLayout;
 329     outerLayout.addWidget(&frame1);
 330     outerLayout.addWidget(&frame2);
 331     window1.setLayout(&outerLayout);
 332
 333     QVBoxLayout leftLayout;
 334     QVBoxLayout rightLayout;
 335     leftLayout.addWidget(&edit1);
 336     rightLayout.addWidget(&edit2);
 337     frame1.setLayout(&leftLayout);
 338     frame2.setLayout(&rightLayout);
 339     window1.show();
 340
 341     edit1.setFocus();
 342     QTest::qWait(100);
 343     edit2.setFocus();
 344
 345     QVERIFY(frame1.focusWidget() != 0);
 346     QVERIFY(frame2.focusWidget() != 0);
 347 }
 348
 349 void tst_QFocusEvent::checkReason_ActiveWindow()
 350 {
 351     initWidget();
 352
 353     QDialog* d = new QDialog( testFocusWidget );
 354     d->show();
 355     d->activateWindow(); // ### CDE
 356     QApplication::setActiveWindow(d);
 357     QVERIFY(QTest::qWaitForWindowActive(d));
 358
 359     QTRY_VERIFY(childFocusWidgetOne->focusOutEventRecieved);
 360     QVERIFY(childFocusWidgetOne->focusOutEventLostFocus);
 361
 362     QVERIFY( !childFocusWidgetOne->focusInEventRecieved );
 363     QVERIFY( childFocusWidgetOne->focusOutEventRecieved );
 364     QCOMPARE( childFocusWidgetOne->focusOutEventReason, (int)Qt::ActiveWindowFocusReason);
 365     QVERIFY( !childFocusWidgetOne->hasFocus() );
 366
 367     d->hide();
 368     QTest::qWait(100);
 369
 370 #if defined(Q_OS_IRIX)
 371     QEXPECT_FAIL("", "IRIX requires explicit activateWindow(), so this test does not make any sense.", Abort);
 372 #endif
 373 #ifdef Q_OS_MAC
 374     QEXPECT_FAIL("", "QTBUG-22815", Abort);
 375 #endif
 376     if (QGuiApplication::platformName() == QStringLiteral("xcb"))
 377         QSKIP("QTBUG-22815 - This test is unstable on this platform");
 378     QTRY_VERIFY(childFocusWidgetOne->focusInEventRecieved);
 379     QVERIFY(childFocusWidgetOne->focusInEventGotFocus);
 380
 381     QVERIFY( childFocusWidgetOne->hasFocus() );
 382     QVERIFY( childFocusWidgetOne->focusInEventRecieved );
 383     QCOMPARE( childFocusWidgetOne->focusInEventReason, (int)Qt::ActiveWindowFocusReason);
 384 }
 385
 386
 387 QTEST_MAIN(tst_QFocusEvent)
 388 #include "tst_qfocusevent.moc"