qt6windows7/tests/auto/gui/kernel/qpalette/tst_qpalette.cpp
2023-10-29 23:33:08 +01:00

346 lines
13 KiB
C++

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QTest>
#include "qpalette.h"
class tst_QPalette : public QObject
{
Q_OBJECT
private Q_SLOTS:
void roleValues_data();
void roleValues();
void resolve();
void copySemantics();
void moveSemantics();
void setBrush();
void isBrushSet();
void setAllPossibleBrushes();
void noBrushesSetForDefaultPalette();
void cannotCheckIfInvalidBrushSet();
void checkIfBrushForCurrentGroupSet();
void cacheKey();
};
void tst_QPalette::roleValues_data()
{
QTest::addColumn<int>("role");
QTest::addColumn<int>("value");
QTest::newRow("QPalette::WindowText") << int(QPalette::WindowText) << 0;
QTest::newRow("QPalette::Button") << int(QPalette::Button) << 1;
QTest::newRow("QPalette::Light") << int(QPalette::Light) << 2;
QTest::newRow("QPalette::Midlight") << int(QPalette::Midlight) << 3;
QTest::newRow("QPalette::Dark") << int(QPalette::Dark) << 4;
QTest::newRow("QPalette::Mid") << int(QPalette::Mid) << 5;
QTest::newRow("QPalette::Text") << int(QPalette::Text) << 6;
QTest::newRow("QPalette::BrightText") << int(QPalette::BrightText) << 7;
QTest::newRow("QPalette::ButtonText") << int(QPalette::ButtonText) << 8;
QTest::newRow("QPalette::Base") << int(QPalette::Base) << 9;
QTest::newRow("QPalette::Window") << int(QPalette::Window) << 10;
QTest::newRow("QPalette::Shadow") << int(QPalette::Shadow) << 11;
QTest::newRow("QPalette::Highlight") << int(QPalette::Highlight) << 12;
QTest::newRow("QPalette::HighlightedText") << int(QPalette::HighlightedText) << 13;
QTest::newRow("QPalette::Link") << int(QPalette::Link) << 14;
QTest::newRow("QPalette::LinkVisited") << int(QPalette::LinkVisited) << 15;
QTest::newRow("QPalette::AlternateBase") << int(QPalette::AlternateBase) << 16;
QTest::newRow("QPalette::NoRole") << int(QPalette::NoRole) << 17;
QTest::newRow("QPalette::ToolTipBase") << int(QPalette::ToolTipBase) << 18;
QTest::newRow("QPalette::ToolTipText") << int(QPalette::ToolTipText) << 19;
QTest::newRow("QPalette::PlaceholderText") << int(QPalette::PlaceholderText) << 20;
// Change this value as you add more roles.
QTest::newRow("QPalette::NColorRoles") << int(QPalette::NColorRoles) << 21;
}
void tst_QPalette::roleValues()
{
QFETCH(int, role);
QFETCH(int, value);
QCOMPARE(role, value);
}
void tst_QPalette::resolve()
{
QPalette p1;
p1.setBrush(QPalette::WindowText, Qt::green);
p1.setBrush(QPalette::Button, Qt::green);
QVERIFY(p1.isBrushSet(QPalette::Active, QPalette::WindowText));
QVERIFY(p1.isBrushSet(QPalette::Active, QPalette::Button));
QPalette p2;
p2.setBrush(QPalette::WindowText, Qt::red);
QVERIFY(p2.isBrushSet(QPalette::Active, QPalette::WindowText));
QVERIFY(!p2.isBrushSet(QPalette::Active, QPalette::Button));
QPalette p1ResolvedTo2 = p1.resolve(p2);
// p1ResolvedTo2 gets everything from p1 and nothing copied from p2 because
// it already has a WindowText. That is two brushes, and to the same value
// as p1.
QCOMPARE(p1ResolvedTo2, p1);
QVERIFY(p1ResolvedTo2.isBrushSet(QPalette::Active, QPalette::WindowText));
QCOMPARE(p1.windowText(), p1ResolvedTo2.windowText());
QVERIFY(p1ResolvedTo2.isBrushSet(QPalette::Active, QPalette::Button));
QCOMPARE(p1.button(), p1ResolvedTo2.button());
QPalette p2ResolvedTo1 = p2.resolve(p1);
// p2ResolvedTo1 gets the WindowText set, and to the same value as the
// original p2, however, Button gets set from p1.
QVERIFY(p2ResolvedTo1.isBrushSet(QPalette::Active, QPalette::WindowText));
QCOMPARE(p2.windowText(), p2ResolvedTo1.windowText());
QVERIFY(p2ResolvedTo1.isBrushSet(QPalette::Active, QPalette::Button));
QCOMPARE(p1.button(), p2ResolvedTo1.button());
QVERIFY(p2ResolvedTo1 != p1);
QVERIFY(p2ResolvedTo1 != p2);
QPalette p3;
// ensure the resolve mask is full
for (int r = 0; r < QPalette::NColorRoles; ++r)
p3.setBrush(QPalette::All, QPalette::ColorRole(r), Qt::red);
const QPalette::ResolveMask fullMask = p3.resolveMask();
QPalette p3ResolvedToP1 = p3.resolve(p1);
QVERIFY(p3ResolvedToP1.isCopyOf(p3));
QPalette p4;
QCOMPARE(p4.resolveMask(), QPalette::ResolveMask{});
// resolve must detach even if p4 has no mask
p4 = p4.resolve(p3);
QCOMPARE(p3.resolveMask(), fullMask);
}
static void compareAllPaletteData(const QPalette &firstPalette, const QPalette &secondPalette)
{
QCOMPARE(firstPalette, secondPalette);
// For historical reasons, operator== compares only brushes, but it's not enough for proper
// comparison after move/copy, because some additional data can also be moved/copied.
// Let's compare this data here.
QCOMPARE(firstPalette.resolveMask(), secondPalette.resolveMask());
QCOMPARE(firstPalette.currentColorGroup(), secondPalette.currentColorGroup());
}
void tst_QPalette::copySemantics()
{
QPalette src(Qt::red), dst;
const QPalette control = src; // copy construction
QVERIFY(src != dst);
QVERIFY(!src.isCopyOf(dst));
compareAllPaletteData(src, control);
QVERIFY(src.isCopyOf(control));
dst = src; // copy assignment
compareAllPaletteData(dst, src);
compareAllPaletteData(dst, control);
QVERIFY(dst.isCopyOf(src));
dst = QPalette(Qt::green);
QVERIFY(dst != src);
QVERIFY(dst != control);
compareAllPaletteData(src, control);
QVERIFY(!dst.isCopyOf(src));
QVERIFY(src.isCopyOf(control));
}
void tst_QPalette::moveSemantics()
{
QPalette src(Qt::red), dst;
const QPalette control = src;
QVERIFY(src != dst);
compareAllPaletteData(src, control);
QVERIFY(!dst.isCopyOf(src));
QVERIFY(!dst.isCopyOf(control));
dst = std::move(src); // move assignment
QVERIFY(!dst.isCopyOf(src)); // isCopyOf() works on moved-from palettes, too
QVERIFY(dst.isCopyOf(control));
compareAllPaletteData(dst, control);
src = control; // check moved-from 'src' can still be assigned to (doesn't crash)
QVERIFY(src.isCopyOf(dst));
QVERIFY(src.isCopyOf(control));
QPalette dst2(std::move(src)); // move construction
QVERIFY(!src.isCopyOf(dst));
QVERIFY(!src.isCopyOf(dst2));
QVERIFY(!src.isCopyOf(control));
compareAllPaletteData(dst2, control);
QVERIFY(dst2.isCopyOf(dst));
QVERIFY(dst2.isCopyOf(control));
// check moved-from 'src' can still be destroyed (doesn't crash)
}
void tst_QPalette::setBrush()
{
QPalette p(Qt::red);
const QPalette q = p;
QVERIFY(q.isCopyOf(p));
// Setting a different brush will detach
p.setBrush(QPalette::Disabled, QPalette::Button, Qt::green);
QVERIFY(!q.isCopyOf(p));
QVERIFY(q != p);
// Check we only changed what we said we would
for (int i = 0; i < QPalette::NColorGroups; i++)
for (int j = 0; j < QPalette::NColorRoles; j++) {
const auto g = QPalette::ColorGroup(i);
const auto r = QPalette::ColorRole(j);
const auto b = p.brush(g, r);
if (g == QPalette::Disabled && r == QPalette::Button)
QCOMPARE(b, QBrush(Qt::green));
else
QCOMPARE(b, q.brush(g, r));
}
const QPalette pp = p;
QVERIFY(pp.isCopyOf(p));
}
void tst_QPalette::isBrushSet()
{
QPalette p;
// Set only one color group
p.setBrush(QPalette::Active, QPalette::Mid, QBrush(Qt::red));
QVERIFY(p.isBrushSet(QPalette::Active, QPalette::Mid));
QVERIFY(!p.isBrushSet(QPalette::Inactive, QPalette::Mid));
QVERIFY(!p.isBrushSet(QPalette::Disabled, QPalette::Mid));
// Set all color groups
p.setBrush(QPalette::LinkVisited, QBrush(Qt::green));
QVERIFY(p.isBrushSet(QPalette::Active, QPalette::LinkVisited));
QVERIFY(p.isBrushSet(QPalette::Inactive, QPalette::LinkVisited));
QVERIFY(p.isBrushSet(QPalette::Disabled, QPalette::LinkVisited));
// Don't set flag when brush doesn't change (and also don't detach - QTBUG-98762)
QPalette p2;
QPalette p3;
QVERIFY(!p2.isBrushSet(QPalette::Active, QPalette::Dark));
p2.setBrush(QPalette::Active, QPalette::Dark, p2.brush(QPalette::Active, QPalette::Dark));
QVERIFY(!p3.isBrushSet(QPalette::Active, QPalette::Dark));
QVERIFY(p2.isBrushSet(QPalette::Active, QPalette::Dark));
}
void tst_QPalette::setAllPossibleBrushes()
{
QPalette p;
QCOMPARE(p.resolveMask(), QPalette::ResolveMask(0));
for (int r = 0; r < QPalette::NColorRoles; ++r) {
p.setBrush(QPalette::All, QPalette::ColorRole(r), Qt::red);
}
for (int r = 0; r < QPalette::NColorRoles; ++r) {
for (int g = 0; g < QPalette::NColorGroups; ++g) {
QVERIFY(p.isBrushSet(QPalette::ColorGroup(g), QPalette::ColorRole(r)));
}
}
}
void tst_QPalette::noBrushesSetForDefaultPalette()
{
QCOMPARE(QPalette().resolveMask(), QPalette::ResolveMask(0));
}
void tst_QPalette::cannotCheckIfInvalidBrushSet()
{
QPalette p(Qt::red);
QVERIFY(!p.isBrushSet(QPalette::All, QPalette::LinkVisited));
QVERIFY(!p.isBrushSet(QPalette::Active, QPalette::NColorRoles));
}
void tst_QPalette::checkIfBrushForCurrentGroupSet()
{
QPalette p;
p.setCurrentColorGroup(QPalette::Disabled);
p.setBrush(QPalette::Current, QPalette::Link, QBrush(Qt::yellow));
QVERIFY(p.isBrushSet(QPalette::Current, QPalette::Link));
}
void tst_QPalette::cacheKey()
{
const QPalette defaultPalette;
// precondition: all palettes are expected to have contrasting text on base
QVERIFY(defaultPalette.base() != defaultPalette.text());
const auto defaultCacheKey = defaultPalette.cacheKey();
const auto defaultSerNo = defaultCacheKey >> 32;
const auto defaultDetachNo = defaultCacheKey & 0xffffffff;
QPalette changeTwicePalette(defaultPalette);
changeTwicePalette.setBrush(QPalette::All, QPalette::ButtonText, Qt::red);
const auto firstChangeCacheKey = changeTwicePalette.cacheKey();
QCOMPARE_NE(firstChangeCacheKey, defaultCacheKey);
changeTwicePalette.setBrush(QPalette::All, QPalette::ButtonText, Qt::green);
const auto secondChangeCacheKey = changeTwicePalette.cacheKey();
QCOMPARE_NE(firstChangeCacheKey, secondChangeCacheKey);
QPalette copyDifferentData(defaultPalette);
QPalette copyDifferentMask(defaultPalette);
QPalette copyDifferentMaskAndData(defaultPalette);
QCOMPARE(defaultPalette.cacheKey(), copyDifferentData.cacheKey());
// deep detach of both private and data
copyDifferentData.setBrush(QPalette::Base, defaultPalette.text());
const auto differentDataKey = copyDifferentData.cacheKey();
const auto differentDataSerNo = differentDataKey >> 32;
const auto differentDataDetachNo = differentDataKey & 0xffffffff;
auto loggerDeepDetach = qScopeGuard([&](){
qDebug() << "Deep detach serial" << differentDataSerNo;
qDebug() << "Deep detach detach number" << differentDataDetachNo;
});
QCOMPARE_NE(copyDifferentData.cacheKey(), defaultCacheKey);
QCOMPARE(defaultPalette.cacheKey(), defaultCacheKey);
// shallow detach, both privates reference the same data
copyDifferentMask.setResolveMask(0xffffffffffffffff);
const auto differentMaskKey = copyDifferentMask.cacheKey();
const auto differentMaskSerNo = differentMaskKey >> 32;
const auto differentMaskDetachNo = differentMaskKey & 0xffffffff;
auto loggerShallowDetach = qScopeGuard([&](){
qDebug() << "Shallow detach serial" << differentMaskSerNo;
qDebug() << "Shallow detach detach number" << differentMaskDetachNo;
});
QCOMPARE(differentMaskSerNo, defaultSerNo);
QCOMPARE_NE(differentMaskSerNo, defaultDetachNo);
QCOMPARE_NE(differentMaskKey, defaultCacheKey);
QCOMPARE_NE(differentMaskKey, differentDataKey);
// shallow detach, both privates reference the same data
copyDifferentMaskAndData.setResolveMask(0xeeeeeeeeeeeeeeee);
const auto modifiedCacheKey = copyDifferentMaskAndData.cacheKey();
QCOMPARE_NE(modifiedCacheKey, copyDifferentMask.cacheKey());
QCOMPARE_NE(modifiedCacheKey, defaultCacheKey);
QCOMPARE_NE(modifiedCacheKey, copyDifferentData.cacheKey());
QCOMPARE_NE(copyDifferentMask.cacheKey(), defaultCacheKey);
// full detach - both key elements are different
copyDifferentMaskAndData.setBrush(QPalette::Base, defaultPalette.text());
const auto modifiedAllKey = copyDifferentMaskAndData.cacheKey();
const auto modifiedAllSerNo = modifiedAllKey >> 32;
const auto modifiedAllDetachNo = modifiedAllKey & 0xffffffff;
QCOMPARE_NE(modifiedAllSerNo, defaultSerNo);
QCOMPARE_NE(modifiedAllDetachNo, defaultDetachNo);
QCOMPARE_NE(modifiedAllKey, copyDifferentMask.cacheKey());
QCOMPARE_NE(modifiedAllKey, defaultCacheKey);
QCOMPARE_NE(modifiedAllKey, differentDataKey);
QCOMPARE_NE(modifiedAllKey, modifiedCacheKey);
loggerDeepDetach.dismiss();
loggerShallowDetach.dismiss();
}
QTEST_MAIN(tst_QPalette)
#include "tst_qpalette.moc"