summaryrefslogtreecommitdiffstats
path: root/tests/auto/qstackedlayout/tst_qstackedlayout.cpp
blob: dc28bcd09f205d8efd53980aa7a337a4ed470513 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser 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 ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/


#include <QtTest/QtTest>
#include <QLineEdit>
#include <QStackedLayout>
#include <qapplication.h>
#include <qwidget.h>
#include <QPushButton>

#include "../../shared/util.h"

//TESTED_CLASS=
//TESTED_FILES=gui/kernel/qlayout.cpp gui/kernel/qlayout.h

class tst_QStackedLayout : public QObject
{
    Q_OBJECT

public:
    tst_QStackedLayout();
    virtual ~tst_QStackedLayout();


public slots:
    void initTestCase();
    void cleanupTestCase();
    void init();
    void cleanup();

private slots:
    void getSetCheck();
    void testCase();
    void deleteCurrent();
    void removeWidget();
    void keepFocusAfterSetCurrent();

private:
    QWidget *testWidget;
};

// Testing get/set functions
void tst_QStackedLayout::getSetCheck()
{
    QStackedLayout obj1;
    // int QStackedLayout::currentIndex()
    // void QStackedLayout::setCurrentIndex(int)
    obj1.setCurrentIndex(0);
    QCOMPARE(-1, obj1.currentIndex());
    obj1.setCurrentIndex(INT_MIN);
    QCOMPARE(-1, obj1.currentIndex());
    obj1.setCurrentIndex(INT_MAX);
    QCOMPARE(-1, obj1.currentIndex());

    // QWidget * QStackedLayout::currentWidget()
    // void QStackedLayout::setCurrentWidget(QWidget *)
    QWidget *var2 = new QWidget();
    obj1.addWidget(var2);
    obj1.setCurrentWidget(var2);
    QCOMPARE(var2, obj1.currentWidget());

    obj1.setCurrentWidget((QWidget *)0);
    QCOMPARE(obj1.currentWidget(), var2);

    delete var2;
}


tst_QStackedLayout::tst_QStackedLayout()
    : testWidget(0)
{
}

tst_QStackedLayout::~tst_QStackedLayout()
{
}

void tst_QStackedLayout::initTestCase()
{
}

void tst_QStackedLayout::cleanupTestCase()
{
}

void tst_QStackedLayout::init()
{
    if (testWidget) {
        delete testWidget;
        testWidget = 0;
    }
    testWidget = new QWidget(0);
    testWidget->resize( 200, 200 );
    testWidget->show();

    // make sure the tests work with focus follows mouse
    QCursor::setPos(testWidget->geometry().center());
    testWidget->activateWindow();
    QApplication::syncX();
    QTest::qWait(250);
}

void tst_QStackedLayout::cleanup()
{
    delete testWidget;
    testWidget = 0;
}


void tst_QStackedLayout::testCase()
{
    QStackedLayout onStack(testWidget);
    QStackedLayout *testLayout = &onStack;
    testWidget->setLayout(testLayout);

    QSignalSpy spy(testLayout,SIGNAL(currentChanged(int)));

    // Nothing in layout
    QCOMPARE(testLayout->currentIndex(), -1);
    QCOMPARE(testLayout->currentWidget(), static_cast<QWidget*>(0));
    QCOMPARE(testLayout->count(), 0);

    // One widget added to layout
    QWidget *w1 = new QWidget(testWidget);
    testLayout->addWidget(w1);
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).toInt(), 0);
    spy.clear();
    QCOMPARE(testLayout->currentIndex(), 0);
    QCOMPARE(testLayout->currentWidget(), w1);
    QCOMPARE(testLayout->count(), 1);

    // Another widget added to layout
    QWidget *w2 = new QWidget(testWidget);
    testLayout->addWidget(w2);
    QCOMPARE(testLayout->currentIndex(), 0);
    QCOMPARE(testLayout->currentWidget(), w1);
    QCOMPARE(testLayout->indexOf(w2), 1);
    QCOMPARE(testLayout->count(), 2);

    // Change the current index
    testLayout->setCurrentIndex(1);
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).toInt(), 1);
    spy.clear();
    QCOMPARE(testLayout->currentIndex(), 1);
    QCOMPARE(testLayout->currentWidget(), w2);

    // First widget removed from layout
    testLayout->removeWidget(w1);
    QCOMPARE(testLayout->currentIndex(), 0);
    QCOMPARE(testLayout->currentWidget(), w2);
    QCOMPARE(testLayout->count(), 1);

    // Second widget removed from layout; back to nothing
    testLayout->removeWidget(w2);
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).toInt(), -1);
    spy.clear();
    QCOMPARE(testLayout->currentIndex(), -1);
    QCOMPARE(testLayout->currentWidget(), static_cast<QWidget*>(0));
    QCOMPARE(testLayout->count(), 0);

    // Another widget inserted at current index.
    // Current index should become current index + 1, but the
    // current widget should stay the same
    testLayout->addWidget(w1);
    QCOMPARE(testLayout->currentIndex(), 0);
    QCOMPARE(testLayout->currentWidget(), w1);
    testLayout->insertWidget(0, w2);
    QCOMPARE(testLayout->currentIndex(), 1);
    QCOMPARE(testLayout->currentWidget(), w1);
    QVERIFY(w1->isVisible());
    QVERIFY(!w2->isVisible());

    testLayout->setCurrentWidget(w2);
    // Another widget added, so we have: w2, w1, w3 with w2 current
    QWidget *w3 = new QWidget(testWidget);
    testLayout->addWidget(w3);
    QCOMPARE(testLayout->indexOf(w2), 0);
    QCOMPARE(testLayout->indexOf(w1), 1);
    QCOMPARE(testLayout->indexOf(w3), 2);

    // Set index to 1 and remove that widget (w1).
    // Then, current index should still be 1, but w3
    // should be the new current widget.
    testLayout->setCurrentIndex(1);
    testLayout->removeWidget(w1);
    QCOMPARE(testLayout->currentIndex(), 1);
    QCOMPARE(testLayout->currentWidget(), w3);
    QVERIFY(w3->isVisible());

    // Remove the current widget (w3).
    // Since it's the last one in the list, current index should now
    // become 0 and w2 becomes the current widget.
    testLayout->removeWidget(w3);
    QCOMPARE(testLayout->currentIndex(), 0);
    QCOMPARE(testLayout->currentWidget(), w2);
    QVERIFY(w2->isVisible());

    // Make sure index is decremented when we remove a widget at index < current index
    testLayout->addWidget(w1);
    testLayout->addWidget(w3);
    testLayout->setCurrentIndex(2);
    testLayout->removeWidget(w2); // At index 0
    QCOMPARE(testLayout->currentIndex(), 1);
    QCOMPARE(testLayout->currentWidget(), w3);
    QVERIFY(w3->isVisible());
    testLayout->removeWidget(w1); // At index 0
    QCOMPARE(testLayout->currentIndex(), 0);
    QCOMPARE(testLayout->currentWidget(), w3);
    QVERIFY(w3->isVisible());
    testLayout->removeWidget(w3);
    QCOMPARE(testLayout->currentIndex(), -1);
    QCOMPARE(testLayout->currentWidget(), static_cast<QWidget*>(0));
}

void tst_QStackedLayout::deleteCurrent()
{
    QStackedLayout *testLayout = new QStackedLayout(testWidget);

    QWidget *w1 = new QWidget;
    testLayout->addWidget(w1);
    QWidget *w2 = new QWidget;
    testLayout->addWidget(w2);
    QCOMPARE(testLayout->currentWidget(), w1);
    delete testLayout->currentWidget();
    QCOMPARE(testLayout->currentWidget(), w2);
}

void tst_QStackedLayout::removeWidget()
{
    if (testWidget->layout()) delete testWidget->layout();
    QVBoxLayout *vbox = new QVBoxLayout(testWidget);

    QPushButton *top = new QPushButton("top", testWidget);  //add another widget that can receive focus
    top->setObjectName("top");
    vbox->addWidget(top);

    QStackedLayout *testLayout = new QStackedLayout();
    QPushButton *w1 = new QPushButton("1st", testWidget);
    w1->setObjectName("1st");
    testLayout->addWidget(w1);
    QPushButton *w2 = new QPushButton("2nd", testWidget);
    w2->setObjectName("2nd");
    testLayout->addWidget(w2);
    vbox->addLayout(testLayout);
    top->setFocus();
    QTest::qWait(100);
    top->activateWindow();
    QTest::qWait(100);
    int i =0;
    for (;;) {
        if (QApplication::focusWidget() == top)
            break;
        else if (i >= 5)
            QSKIP("Can't get focus", SkipSingle);
        QTest::qWait(100);
        ++i;
    }
    QCOMPARE(QApplication::focusWidget(), static_cast<QWidget *>(top));

    // focus should stay at the 'top' widget
    testLayout->removeWidget(w1);

    QCOMPARE(QApplication::focusWidget(), static_cast<QWidget *>(top));
}

class LineEdit : public QLineEdit
{
public:
    LineEdit() : hasFakeEditFocus(false)
    { }

    bool hasFakeEditFocus;

protected:
    bool isSingleFocusWidget() const
    {
        const QWidget *w = this;
        while ((w = w->nextInFocusChain()) != this) {
            if (w->isVisible() && static_cast<const QWidget*>(w->focusProxy()) != this
                && w->focusPolicy() & Qt::TabFocus) {
                return false;
            }
        }
        return true;
    }

    void focusInEvent(QFocusEvent *event)
    {
        QLineEdit::focusInEvent(event);
        hasFakeEditFocus = isSingleFocusWidget();
    }

    void focusOutEvent(QFocusEvent *event)
    {
        hasFakeEditFocus = false;
        QLineEdit::focusOutEvent(event);
    }
};

void tst_QStackedLayout::keepFocusAfterSetCurrent()
{
    if (testWidget->layout()) delete testWidget->layout();
    QStackedLayout *stackLayout = new QStackedLayout(testWidget);
    testWidget->setFocusPolicy(Qt::NoFocus);

    LineEdit *edit1 = new LineEdit;
    LineEdit *edit2 = new LineEdit;
    stackLayout->addWidget(edit1);
    stackLayout->addWidget(edit2);

    stackLayout->setCurrentIndex(0);

    testWidget->show();
    QApplication::setActiveWindow(testWidget);
    QTest::qWaitForWindowShown(testWidget);
    QApplication::processEvents();

    edit1->setFocus();
    edit1->activateWindow();
    QTest::qWait(25);

    QTRY_VERIFY(edit1->hasFocus());

    stackLayout->setCurrentIndex(1);
    QVERIFY(!edit1->hasFocus());
    QVERIFY(edit2->hasFocus());
    QVERIFY(edit2->hasFakeEditFocus);
}

QTEST_MAIN(tst_QStackedLayout)
#include "tst_qstackedlayout.moc"