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28 | |
29 | |
30 | #include <QtTest/QtTest> |
31 | #include <QtGui> |
32 | #include <QtWidgets> |
33 | |
34 | #include <QtTest/private/qtesthelpers_p.h> |
35 | |
36 | using namespace QTestPrivate; |
37 | |
38 | class tst_QBoxLayout : public QObject |
39 | { |
40 | Q_OBJECT |
41 | |
42 | private slots: |
43 | void cleanup(); |
44 | void insertSpacerItem(); |
45 | void insertLayout(); |
46 | void sizeHint(); |
47 | void sizeConstraints(); |
48 | void setGeometry(); |
49 | void setStyleShouldChangeSpacing(); |
50 | void widgetSurplus(); |
51 | |
52 | void testLayoutEngine_data(); |
53 | void testLayoutEngine(); |
54 | |
55 | void taskQTBUG_7103_minMaxWidthNotRespected(); |
56 | void taskQTBUG_27420_takeAtShouldUnparentLayout(); |
57 | void taskQTBUG_40609_addingWidgetToItsOwnLayout(); |
58 | void taskQTBUG_40609_addingLayoutToItself(); |
59 | void replaceWidget(); |
60 | void indexOf(); |
61 | }; |
62 | |
63 | class CustomLayoutStyle : public QProxyStyle |
64 | { |
65 | Q_OBJECT |
66 | public: |
67 | CustomLayoutStyle() : QProxyStyle(QStyleFactory::create("windows" )) |
68 | { |
69 | hspacing = 5; |
70 | vspacing = 10; |
71 | } |
72 | |
73 | virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = 0, |
74 | const QWidget * widget = 0 ) const; |
75 | |
76 | int hspacing; |
77 | int vspacing; |
78 | }; |
79 | |
80 | int CustomLayoutStyle::pixelMetric(PixelMetric metric, const QStyleOption * option /*= 0*/, |
81 | const QWidget * widget /*= 0*/ ) const |
82 | { |
83 | switch (metric) { |
84 | case PM_LayoutLeftMargin: |
85 | return 0; |
86 | break; |
87 | case PM_LayoutTopMargin: |
88 | return 3; |
89 | break; |
90 | case PM_LayoutRightMargin: |
91 | return 6; |
92 | break; |
93 | case PM_LayoutBottomMargin: |
94 | return 9; |
95 | break; |
96 | case PM_LayoutHorizontalSpacing: |
97 | return hspacing; |
98 | case PM_LayoutVerticalSpacing: |
99 | return vspacing; |
100 | break; |
101 | default: |
102 | break; |
103 | } |
104 | return QProxyStyle::pixelMetric(metric, option, widget); |
105 | } |
106 | |
107 | void tst_QBoxLayout::cleanup() |
108 | { |
109 | QVERIFY(QApplication::topLevelWidgets().isEmpty()); |
110 | } |
111 | |
112 | void tst_QBoxLayout::insertSpacerItem() |
113 | { |
114 | QWidget window; |
115 | window.setWindowTitle(QTest::currentTestFunction()); |
116 | |
117 | QSpacerItem *spacer1 = new QSpacerItem(20, 10, QSizePolicy::Expanding, QSizePolicy::Expanding); |
118 | QSpacerItem *spacer2 = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Expanding); |
119 | |
120 | QBoxLayout *layout = new QHBoxLayout; |
121 | layout->addWidget(new QLineEdit("Foooooooooooooooooooooooooo" )); |
122 | layout->addSpacerItem(spacerItem: spacer1); |
123 | layout->addWidget(new QLineEdit("Baaaaaaaaaaaaaaaaaaaaaaaaar" )); |
124 | layout->insertSpacerItem(index: 0, spacerItem: spacer2); |
125 | window.setLayout(layout); |
126 | |
127 | QCOMPARE(layout->itemAt(0), spacer2); |
128 | QCOMPARE(layout->itemAt(2), spacer1); |
129 | |
130 | window.show(); |
131 | } |
132 | |
133 | void tst_QBoxLayout::insertLayout() |
134 | { |
135 | QWidget window; |
136 | QVBoxLayout *vbox = new QVBoxLayout(&window); |
137 | QScopedPointer<QVBoxLayout> dummyParentLayout(new QVBoxLayout); |
138 | QHBoxLayout *subLayout = new QHBoxLayout; |
139 | dummyParentLayout->addLayout(layout: subLayout); |
140 | QCOMPARE(subLayout->parent(), dummyParentLayout.data()); |
141 | QCOMPARE(dummyParentLayout->count(), 1); |
142 | |
143 | // add subLayout to another layout |
144 | QTest::ignoreMessage(type: QtWarningMsg, message: "QLayout::addChildLayout: layout \"\" already has a parent" ); |
145 | vbox->addLayout(layout: subLayout); |
146 | QCOMPARE((subLayout->parent() == vbox), (vbox->count() == 1)); |
147 | } |
148 | |
149 | |
150 | void tst_QBoxLayout::sizeHint() |
151 | { |
152 | QWidget window; |
153 | window.setWindowTitle(QTest::currentTestFunction()); |
154 | QHBoxLayout *lay1 = new QHBoxLayout; |
155 | QHBoxLayout *lay2 = new QHBoxLayout; |
156 | QLabel *label = new QLabel("widget twooooooooooooooooooooooooooooooooooooooooooooooooooooooo" ); |
157 | lay2->addWidget(label); |
158 | lay1->addLayout(layout: lay2); |
159 | window.setLayout(lay1); |
160 | window.show(); |
161 | QVERIFY(QTest::qWaitForWindowExposed(&window)); |
162 | label->setText("foooooooo baaaaaaar" ); |
163 | QSize sh = lay1->sizeHint(); |
164 | QApplication::processEvents(); |
165 | // Note that this is not strictly required behaviour - actually |
166 | // the preferred behaviour would be that sizeHint returns |
167 | // the same value regardless of what's lying in the event queue. |
168 | // (i.e. we would check for equality here instead) |
169 | QVERIFY(lay1->sizeHint() != sh); |
170 | } |
171 | |
172 | void tst_QBoxLayout::sizeConstraints() |
173 | { |
174 | QWidget window; |
175 | window.setWindowTitle(QTest::currentTestFunction()); |
176 | QHBoxLayout *lay = new QHBoxLayout; |
177 | lay->addWidget(new QLabel("foooooooooooooooooooooooooooooooooooo" )); |
178 | lay->addWidget(new QLabel("baaaaaaaaaaaaaaaaaaaaaaaaaaaaaar" )); |
179 | lay->setSizeConstraint(QLayout::SetFixedSize); |
180 | window.setLayout(lay); |
181 | window.show(); |
182 | QVERIFY(QTest::qWaitForWindowExposed(&window)); |
183 | QSize sh = window.sizeHint(); |
184 | delete lay->takeAt(1); |
185 | QVERIFY(sh.width() >= window.sizeHint().width() && |
186 | sh.height() >= window.sizeHint().height()); |
187 | |
188 | } |
189 | |
190 | void tst_QBoxLayout::setGeometry() |
191 | { |
192 | QWidget toplevel; |
193 | toplevel.setWindowTitle(QTest::currentTestFunction()); |
194 | setFrameless(&toplevel); |
195 | QWidget w(&toplevel); |
196 | QVBoxLayout *lay = new QVBoxLayout; |
197 | lay->setContentsMargins(left: 0, top: 0, right: 0, bottom: 0); |
198 | lay->setSpacing(0); |
199 | QHBoxLayout *lay2 = new QHBoxLayout; |
200 | QDial *dial = new QDial; |
201 | lay2->addWidget(dial); |
202 | lay2->setAlignment(Qt::AlignTop); |
203 | lay2->setAlignment(Qt::AlignRight); |
204 | lay->addLayout(layout: lay2); |
205 | w.setLayout(lay); |
206 | toplevel.show(); |
207 | |
208 | QRect newGeom(0, 0, 70, 70); |
209 | lay2->setGeometry(newGeom); |
210 | QVERIFY2(newGeom.contains(dial->geometry()), "dial->geometry() should be smaller and within newGeom" ); |
211 | } |
212 | |
213 | void tst_QBoxLayout::setStyleShouldChangeSpacing() |
214 | { |
215 | |
216 | QWidget window; |
217 | window.setWindowTitle(QTest::currentTestFunction()); |
218 | QHBoxLayout *hbox = new QHBoxLayout(&window); |
219 | QPushButton *pb1 = new QPushButton(tr(s: "The spacing between this" )); |
220 | QPushButton *pb2 = new QPushButton(tr(s: "and this button should depend on the style of the parent widget" ));; |
221 | pb1->setAttribute(Qt::WA_LayoutUsesWidgetRect); |
222 | pb2->setAttribute(Qt::WA_LayoutUsesWidgetRect); |
223 | hbox->addWidget(pb1); |
224 | hbox->addWidget(pb2); |
225 | QScopedPointer<CustomLayoutStyle> style1(new CustomLayoutStyle); |
226 | style1->hspacing = 6; |
227 | window.setStyle(style1.data()); |
228 | window.show(); |
229 | QVERIFY(QTest::qWaitForWindowExposed(&window)); |
230 | |
231 | auto spacing = [&]() { return pb2->geometry().left() - pb1->geometry().right() - 1; }; |
232 | QCOMPARE(spacing(), 6); |
233 | |
234 | QScopedPointer<CustomLayoutStyle> style2(new CustomLayoutStyle()); |
235 | style2->hspacing = 10; |
236 | window.setStyle(style2.data()); |
237 | QTRY_COMPARE(spacing(), 10); |
238 | } |
239 | |
240 | class MarginEatingStyle : public QProxyStyle |
241 | { |
242 | public: |
243 | MarginEatingStyle() : QProxyStyle(QStyleFactory::create("windows" )) |
244 | { |
245 | } |
246 | |
247 | virtual QRect subElementRect(SubElement sr, const QStyleOption *opt, |
248 | const QWidget *widget) const |
249 | { |
250 | QRect rect = opt->rect; |
251 | switch (sr) { |
252 | case SE_GroupBoxLayoutItem: |
253 | // this is a simplifed version of what the macOS style does |
254 | rect.setTop(rect.top() + 20); |
255 | rect.setLeft(rect.left() + 20); |
256 | rect.setRight(rect.right() - 20); |
257 | rect.setBottom(rect.bottom() - 20); |
258 | break; |
259 | default: |
260 | return QProxyStyle::subElementRect(element: sr, option: opt, widget); |
261 | } |
262 | |
263 | return rect; |
264 | } |
265 | }; |
266 | |
267 | void tst_QBoxLayout::widgetSurplus() |
268 | { |
269 | // Test case for QTBUG-67608 - a style requests space in the margin |
270 | |
271 | QDialog window; |
272 | QScopedPointer<MarginEatingStyle> marginEater(new MarginEatingStyle); |
273 | QVBoxLayout *vbox = new QVBoxLayout(&window); |
274 | vbox->setContentsMargins(left: 0, top: 0, right: 0, bottom: 0); |
275 | vbox->setSpacing(0); |
276 | |
277 | QLabel *hiddenLabel = new QLabel(tr(s: "Invisible label" )); |
278 | hiddenLabel->setVisible(false); |
279 | |
280 | QGroupBox *groupBox = new QGroupBox(tr(s: "Groupbox Title" )); |
281 | groupBox->setStyle(marginEater.data()); |
282 | groupBox->setObjectName("Test group box" ); |
283 | QPushButton *button1 = new QPushButton(tr(s: "Button 1" )); |
284 | QPushButton *button2 = new QPushButton(tr(s: "Button 2" )); |
285 | QVBoxLayout *groupLayout = new QVBoxLayout; |
286 | groupLayout->addWidget(button1); |
287 | groupLayout->addWidget(button2); |
288 | groupBox->setLayout(groupLayout); |
289 | |
290 | QLabel *label = new QLabel(tr(s: "Visible label" )); |
291 | |
292 | vbox->addWidget(hiddenLabel); |
293 | vbox->addWidget(groupBox); |
294 | vbox->addWidget(label); |
295 | window.setLayout(vbox); |
296 | |
297 | window.show(); |
298 | QVERIFY(QTest::qWaitForWindowExposed(&window)); |
299 | QCOMPARE(groupBox->y(), 0); |
300 | QCOMPARE(groupBox->x(), 0); |
301 | } |
302 | |
303 | void tst_QBoxLayout::taskQTBUG_7103_minMaxWidthNotRespected() |
304 | { |
305 | QLabel *label = new QLabel("Qt uses standard C++, but makes extensive use of the C pre-processor to enrich the language. Qt can also be used in several other programming languages via language bindings. It runs on all major platforms, and has extensive internationalization support. Non-GUI features include SQL database access, XML parsing, thread management, network support and a unified cross-platform API for file handling." ); |
306 | label->setWordWrap(true); |
307 | label->setFixedWidth(200); |
308 | |
309 | QVBoxLayout *layout = new QVBoxLayout; |
310 | layout->addWidget(label); |
311 | layout->addSpacerItem(spacerItem: new QSpacerItem(1, 1, QSizePolicy::Fixed, QSizePolicy::Expanding)); |
312 | |
313 | QWidget widget; |
314 | widget.setWindowTitle(QTest::currentTestFunction()); |
315 | widget.setLayout(layout); |
316 | widget.show(); |
317 | QVERIFY(QTest::qWaitForWindowExposed(&widget)); |
318 | |
319 | int height = label->height(); |
320 | |
321 | QRect g = widget.geometry(); |
322 | g.setWidth(600); |
323 | widget.setGeometry(g); |
324 | |
325 | QTest::qWait(ms: 50); |
326 | |
327 | QCOMPARE(label->height(), height); |
328 | } |
329 | |
330 | void tst_QBoxLayout::taskQTBUG_27420_takeAtShouldUnparentLayout() |
331 | { |
332 | QSharedPointer<QHBoxLayout> outer(new QHBoxLayout); |
333 | QPointer<QVBoxLayout> inner = new QVBoxLayout; |
334 | |
335 | outer->addLayout(layout: inner); |
336 | QCOMPARE(outer->count(), 1); |
337 | QCOMPARE(inner->parent(), outer.data()); |
338 | |
339 | QLayoutItem *item = outer->takeAt(0); |
340 | QCOMPARE(item->layout(), inner.data()); |
341 | QVERIFY(!item->layout()->parent()); |
342 | |
343 | outer.reset(); |
344 | |
345 | if (inner) |
346 | delete item; // success: a taken item/layout should not be deleted when the old parent is deleted |
347 | else |
348 | QVERIFY(!inner.isNull()); |
349 | } |
350 | |
351 | void tst_QBoxLayout::taskQTBUG_40609_addingWidgetToItsOwnLayout(){ |
352 | QWidget widget; |
353 | widget.setWindowTitle(QTest::currentTestFunction()); |
354 | widget.setObjectName("347b469225a24a0ef05150a" ); |
355 | QVBoxLayout layout(&widget); |
356 | layout.setObjectName("ef9e2b42298e0e6420105bb" ); |
357 | |
358 | QTest::ignoreMessage(type: QtWarningMsg, message: "QLayout: Cannot add a null widget to QVBoxLayout/ef9e2b42298e0e6420105bb" ); |
359 | layout.addWidget(nullptr); |
360 | QCOMPARE(layout.count(), 0); |
361 | |
362 | QTest::ignoreMessage(type: QtWarningMsg, message: "QLayout: Cannot add parent widget QWidget/347b469225a24a0ef05150a to its child layout QVBoxLayout/ef9e2b42298e0e6420105bb" ); |
363 | layout.addWidget(&widget); |
364 | QCOMPARE(layout.count(), 0); |
365 | } |
366 | |
367 | void tst_QBoxLayout::taskQTBUG_40609_addingLayoutToItself(){ |
368 | QWidget widget; |
369 | widget.setWindowTitle(QTest::currentTestFunction()); |
370 | widget.setObjectName("fe44e5cb6c08006597126a" ); |
371 | QVBoxLayout layout(&widget); |
372 | layout.setObjectName("cc751dd0f50f62b05a62da" ); |
373 | |
374 | QTest::ignoreMessage(type: QtWarningMsg, message: "QLayout: Cannot add a null layout to QVBoxLayout/cc751dd0f50f62b05a62da" ); |
375 | layout.addLayout(layout: nullptr); |
376 | QCOMPARE(layout.count(), 0); |
377 | |
378 | QTest::ignoreMessage(type: QtWarningMsg, message: "QLayout: Cannot add layout QVBoxLayout/cc751dd0f50f62b05a62da to itself" ); |
379 | layout.addLayout(layout: &layout); |
380 | QCOMPARE(layout.count(), 0); |
381 | } |
382 | |
383 | struct Descr |
384 | { |
385 | Descr(int min, int sh, int max = -1, bool exp= false, int _stretch = 0, bool _empty = false) |
386 | :minimumSize(min), sizeHint(sh), maximumSize(max < 0 ? QLAYOUTSIZE_MAX : max), |
387 | expanding(exp), stretch(_stretch), empty(_empty) |
388 | {} |
389 | |
390 | int minimumSize; |
391 | int sizeHint; |
392 | int maximumSize; |
393 | bool expanding; |
394 | |
395 | int stretch; |
396 | |
397 | bool empty; |
398 | }; |
399 | |
400 | |
401 | typedef QList<Descr> DescrList; |
402 | Q_DECLARE_METATYPE(DescrList); |
403 | |
404 | typedef QList<int> SizeList; |
405 | typedef QList<int> PosList; |
406 | |
407 | |
408 | |
409 | class LayoutItem : public QLayoutItem |
410 | { |
411 | public: |
412 | LayoutItem(const Descr &descr) :m_descr(descr) {} |
413 | |
414 | QSize sizeHint() const { return QSize(m_descr.sizeHint, 100); } |
415 | QSize minimumSize() const { return QSize(m_descr.minimumSize, 0); } |
416 | QSize maximumSize() const { return QSize(m_descr.maximumSize, QLAYOUTSIZE_MAX); } |
417 | Qt::Orientations expandingDirections() const |
418 | { return m_descr.expanding ? Qt::Horizontal : Qt::Orientations{}; } |
419 | void setGeometry(const QRect &r) { m_pos = r.x(); m_size = r.width();} |
420 | QRect geometry() const { return QRect(m_pos, 0, m_size, 100); } |
421 | bool isEmpty() const { return m_descr.empty; } |
422 | |
423 | private: |
424 | Descr m_descr; |
425 | int m_pos; |
426 | int m_size; |
427 | }; |
428 | |
429 | void tst_QBoxLayout::testLayoutEngine_data() |
430 | { |
431 | // (int min, int sh, int max = -1, bool exp= false, int _stretch = 0, bool _empty = false) |
432 | QTest::addColumn<DescrList>(name: "itemDescriptions" ); |
433 | QTest::addColumn<int>(name: "size" ); |
434 | QTest::addColumn<int>(name: "spacing" ); |
435 | QTest::addColumn<PosList>(name: "expectedPositions" ); |
436 | QTest::addColumn<SizeList>(name: "expectedSizes" ); |
437 | |
438 | QTest::newRow(dataTag: "Just one" ) |
439 | << (DescrList() << Descr(0, 100)) |
440 | << 200 |
441 | << 0 |
442 | << (PosList() << 0) |
443 | << (SizeList() << 200); |
444 | |
445 | QTest::newRow(dataTag: "Two non-exp" ) |
446 | << (DescrList() << Descr(0, 100) << Descr(0,100)) |
447 | << 400 |
448 | << 0 |
449 | << (PosList() << 0 << 200) |
450 | << (SizeList() << 200 << 200); |
451 | |
452 | QTest::newRow(dataTag: "Exp + non-exp" ) |
453 | << (DescrList() << Descr(0, 100, -1, true) << Descr(0,100)) |
454 | << 400 |
455 | << 0 |
456 | << (PosList() << 0 << 300) |
457 | << (SizeList() << 300 << 100); |
458 | |
459 | |
460 | QTest::newRow(dataTag: "Stretch" ) |
461 | << (DescrList() << Descr(0, 100, -1, false, 1) << Descr(0,100, -1, false, 2)) |
462 | << 300 |
463 | << 0 |
464 | << (PosList() << 0 << 100) |
465 | << (SizeList() << 100 << 200); |
466 | |
467 | |
468 | QTest::newRow(dataTag: "Spacing" ) |
469 | << (DescrList() << Descr(0, 100) << Descr(0,100)) |
470 | << 400 |
471 | << 10 |
472 | << (PosList() << 0 << 205) |
473 | << (SizeList() << 195 << 195); |
474 | |
475 | |
476 | QTest::newRow(dataTag: "Less than minimum" ) |
477 | << (DescrList() << Descr(100, 100, 100, false) << Descr(50, 100, 100, false)) |
478 | << 100 |
479 | << 0 |
480 | << (PosList() << 0 << 50) |
481 | << (SizeList() << 50 << 50); |
482 | |
483 | |
484 | QTest::newRow(dataTag: "Less than sizehint" ) |
485 | << (DescrList() << Descr(100, 200, 100, false) << Descr(50, 200, 100, false)) |
486 | << 200 |
487 | << 0 |
488 | << (PosList() << 0 << 100) |
489 | << (SizeList() << 100 << 100); |
490 | |
491 | QTest::newRow(dataTag: "Too much space" ) |
492 | << (DescrList() << Descr(0, 100, 100, false) << Descr(0, 100, 100, false)) |
493 | << 500 |
494 | << 0 |
495 | << (PosList() << 100 << 300) |
496 | << (SizeList() << 100 << 100); |
497 | |
498 | QTest::newRow(dataTag: "Empty" ) |
499 | << (DescrList() << Descr(0, 100, 100) << Descr(0,0,-1, false, 0, true) << Descr(0, 100, 100) ) |
500 | << 500 |
501 | << 0 |
502 | << (PosList() << 100 << 300 << 300) |
503 | << (SizeList() << 100 << 0 << 100); |
504 | |
505 | QTest::newRow(dataTag: "QTBUG-33104" ) |
506 | << (DescrList() << Descr(11, 75, 75, true) << Descr(75, 75)) |
507 | << 200 |
508 | << 0 |
509 | << (PosList() << 0 << 75) |
510 | << (SizeList() << 75 << 125); |
511 | |
512 | QTest::newRow(dataTag: "Expanding with maximumSize" ) |
513 | << (DescrList() << Descr(11, 75, 100, true) << Descr(75, 75)) |
514 | << 200 |
515 | << 0 |
516 | << (PosList() << 0 << 100) |
517 | << (SizeList() << 100 << 100); |
518 | |
519 | QTest::newRow(dataTag: "Stretch with maximumSize" ) |
520 | << (DescrList() << Descr(11, 75, 100, false, 1) << Descr(75, 75)) |
521 | << 200 |
522 | << 0 |
523 | << (PosList() << 0 << 100) |
524 | << (SizeList() << 100 << 100); |
525 | |
526 | QTest::newRow(dataTag: "Stretch with maximumSize last" ) |
527 | << (DescrList() << Descr(75, 75) << Descr(11, 75, 100, false, 1)) |
528 | << 200 |
529 | << 0 |
530 | << (PosList() << 0 << 100) |
531 | << (SizeList() << 100 << 100); |
532 | } |
533 | |
534 | void tst_QBoxLayout::testLayoutEngine() |
535 | { |
536 | QFETCH(DescrList, itemDescriptions); |
537 | QFETCH(int, size); |
538 | QFETCH(int, spacing); |
539 | QFETCH(PosList, expectedPositions); |
540 | QFETCH(SizeList, expectedSizes); |
541 | |
542 | QHBoxLayout box; |
543 | box.setSpacing(spacing); |
544 | int i; |
545 | for (i = 0; i < itemDescriptions.count(); ++i) { |
546 | Descr descr = itemDescriptions.at(i); |
547 | LayoutItem *li = new LayoutItem(descr); |
548 | box.addItem(li); |
549 | box.setStretch(index: i, stretch: descr.stretch); |
550 | } |
551 | box.setGeometry(QRect(0,0,size,100)); |
552 | for (i = 0; i < expectedSizes.count(); ++i) { |
553 | int xSize = expectedSizes.at(i); |
554 | int xPos = expectedPositions.at(i); |
555 | QLayoutItem *item = box.itemAt(i); |
556 | QCOMPARE(item->geometry().width(), xSize); |
557 | QCOMPARE(item->geometry().x(), xPos); |
558 | } |
559 | } |
560 | |
561 | void tst_QBoxLayout::replaceWidget() |
562 | { |
563 | QWidget w; |
564 | QBoxLayout *boxLayout = new QVBoxLayout(&w); |
565 | |
566 | QLineEdit *replaceFrom = new QLineEdit; |
567 | QLineEdit *replaceTo = new QLineEdit; |
568 | boxLayout->addWidget(new QLineEdit()); |
569 | boxLayout->addWidget(replaceFrom); |
570 | boxLayout->addWidget(new QLineEdit()); |
571 | |
572 | QCOMPARE(boxLayout->indexOf(replaceFrom), 1); |
573 | QCOMPARE(boxLayout->indexOf(replaceTo), -1); |
574 | QCOMPARE(boxLayout->count(), 3); |
575 | boxLayout->replaceWidget(from: replaceFrom, to: replaceFrom); |
576 | QCOMPARE(boxLayout->count(), 3); |
577 | |
578 | delete boxLayout->replaceWidget(from: replaceFrom, to: replaceTo); |
579 | |
580 | QCOMPARE(boxLayout->indexOf(replaceFrom), -1); |
581 | QCOMPARE(boxLayout->indexOf(replaceTo), 1); |
582 | } |
583 | |
584 | void tst_QBoxLayout::indexOf() |
585 | { |
586 | QWidget w; |
587 | auto outer = new QVBoxLayout(&w); |
588 | auto inner = new QHBoxLayout(); |
589 | outer->addLayout(layout: inner); |
590 | auto widget1 = new QWidget(); |
591 | QWidget widget2; |
592 | inner->addWidget(widget1); |
593 | |
594 | QCOMPARE(inner->indexOf(widget1), 0); |
595 | QCOMPARE(inner->indexOf(&widget2), -1); |
596 | QCOMPARE(outer->indexOf(widget1), -1); |
597 | QCOMPARE(outer->indexOf(&widget2), -1); |
598 | QCOMPARE(outer->indexOf(outer), -1); |
599 | QCOMPARE(outer->indexOf(inner), 0); |
600 | QCOMPARE(inner->indexOf(inner->itemAt(0)), 0); |
601 | } |
602 | |
603 | QTEST_MAIN(tst_QBoxLayout) |
604 | #include "tst_qboxlayout.moc" |
605 | |