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-rw-r--r--src/gui/styles/qstylesheetstyle.cpp139
-rw-r--r--src/gui/styles/qstylesheetstyle_p.h20
-rw-r--r--tests/auto/qstylesheetstyle/tst_qstylesheetstyle.cpp32
3 files changed, 106 insertions, 85 deletions
diff --git a/src/gui/styles/qstylesheetstyle.cpp b/src/gui/styles/qstylesheetstyle.cpp
index e23c246..fb6fc23 100644
--- a/src/gui/styles/qstylesheetstyle.cpp
+++ b/src/gui/styles/qstylesheetstyle.cpp
@@ -99,14 +99,7 @@ public:
};
-static QHash<const QWidget *, QVector<StyleRule> > *styleRulesCache = 0;
-static QHash<const QWidget *, QHash<int, bool> > *hasStyleRuleCache = 0;
-typedef QHash<int, QHash<quint64, QRenderRule> > QRenderRules;
-static QHash<const QWidget *, QRenderRules> *renderRulesCache = 0;
-static QHash<const QWidget *, QPalette> *customPaletteWidgets = 0; // widgets whose palette we tampered
-static QHash<const void *, StyleSheet> *styleSheetCache = 0; // parsed style sheets
-static QSet<const QWidget *> *autoFillDisabledWidgets = 0;
-
+static QStyleSheetStyleCaches *styleSheetCaches = 0;
/* RECURSION_GUARD:
* the QStyleSheetStyle is a proxy. If used with others proxy style, we may end up with something like:
@@ -1525,8 +1518,8 @@ private:
QVector<QCss::StyleRule> QStyleSheetStyle::styleRules(const QWidget *w) const
{
- QHash<const QWidget *, QVector<StyleRule> >::const_iterator cacheIt = styleRulesCache->constFind(w);
- if (cacheIt != styleRulesCache->constEnd())
+ QHash<const QWidget *, QVector<StyleRule> >::const_iterator cacheIt = styleSheetCaches->styleRulesCache.constFind(w);
+ if (cacheIt != styleSheetCaches->styleRulesCache.constEnd())
return cacheIt.value();
if (!initWidget(w)) {
@@ -1536,12 +1529,12 @@ QVector<QCss::StyleRule> QStyleSheetStyle::styleRules(const QWidget *w) const
QStyleSheetStyleSelector styleSelector;
StyleSheet defaultSs;
- QHash<const void *, StyleSheet>::const_iterator defaultCacheIt = styleSheetCache->constFind(baseStyle());
- if (defaultCacheIt == styleSheetCache->constEnd()) {
+ QHash<const void *, StyleSheet>::const_iterator defaultCacheIt = styleSheetCaches->styleSheetCache.constFind(baseStyle());
+ if (defaultCacheIt == styleSheetCaches->styleSheetCache.constEnd()) {
defaultSs = getDefaultStyleSheet();
QStyle *bs = baseStyle();
- styleSheetCache->insert(bs, defaultSs);
- QObject::connect(bs, SIGNAL(destroyed(QObject*)), this, SLOT(styleDestroyed(QObject*)), Qt::UniqueConnection);
+ styleSheetCaches->styleSheetCache.insert(bs, defaultSs);
+ QObject::connect(bs, SIGNAL(destroyed(QObject*)), styleSheetCaches, SLOT(styleDestroyed(QObject*)), Qt::UniqueConnection);
} else {
defaultSs = defaultCacheIt.value();
}
@@ -1549,8 +1542,8 @@ QVector<QCss::StyleRule> QStyleSheetStyle::styleRules(const QWidget *w) const
if (!qApp->styleSheet().isEmpty()) {
StyleSheet appSs;
- QHash<const void *, StyleSheet>::const_iterator appCacheIt = styleSheetCache->constFind(qApp);
- if (appCacheIt == styleSheetCache->constEnd()) {
+ QHash<const void *, StyleSheet>::const_iterator appCacheIt = styleSheetCaches->styleSheetCache.constFind(qApp);
+ if (appCacheIt == styleSheetCaches->styleSheetCache.constEnd()) {
QString ss = qApp->styleSheet();
if (ss.startsWith(QLatin1String("file:///")))
ss.remove(0, 8);
@@ -1559,7 +1552,7 @@ QVector<QCss::StyleRule> QStyleSheetStyle::styleRules(const QWidget *w) const
qWarning("Could not parse application stylesheet");
appSs.origin = StyleSheetOrigin_Inline;
appSs.depth = 1;
- styleSheetCache->insert(qApp, appSs);
+ styleSheetCaches->styleSheetCache.insert(qApp, appSs);
} else {
appSs = appCacheIt.value();
}
@@ -1571,8 +1564,8 @@ QVector<QCss::StyleRule> QStyleSheetStyle::styleRules(const QWidget *w) const
if (wid->styleSheet().isEmpty())
continue;
StyleSheet ss;
- QHash<const void *, StyleSheet>::const_iterator widCacheIt = styleSheetCache->constFind(wid);
- if (widCacheIt == styleSheetCache->constEnd()) {
+ QHash<const void *, StyleSheet>::const_iterator widCacheIt = styleSheetCaches->styleSheetCache.constFind(wid);
+ if (widCacheIt == styleSheetCaches->styleSheetCache.constEnd()) {
parser.init(wid->styleSheet());
if (!parser.parse(&ss)) {
parser.init(QLatin1String("* {") + wid->styleSheet() + QLatin1Char('}'));
@@ -1580,7 +1573,7 @@ QVector<QCss::StyleRule> QStyleSheetStyle::styleRules(const QWidget *w) const
qWarning("Could not parse stylesheet of widget %p", wid);
}
ss.origin = StyleSheetOrigin_Inline;
- styleSheetCache->insert(wid, ss);
+ styleSheetCaches->styleSheetCache.insert(wid, ss);
} else {
ss = widCacheIt.value();
}
@@ -1595,7 +1588,7 @@ QVector<QCss::StyleRule> QStyleSheetStyle::styleRules(const QWidget *w) const
StyleSelector::NodePtr n;
n.ptr = (void *)w;
QVector<QCss::StyleRule> rules = styleSelector.styleRulesForNode(n);
- styleRulesCache->insert(w, rules);
+ styleSheetCaches->styleRulesCache.insert(w, rules);
return rules;
}
@@ -1724,7 +1717,7 @@ static void qt_check_if_internal_widget(const QWidget **w, int *element)
QRenderRule QStyleSheetStyle::renderRule(const QWidget *w, int element, quint64 state) const
{
qt_check_if_internal_widget(&w, &element);
- QHash<quint64, QRenderRule> &cache = (*renderRulesCache)[w][element];
+ QHash<quint64, QRenderRule> &cache = styleSheetCaches->renderRulesCache[w][element];
QHash<quint64, QRenderRule>::const_iterator cacheIt = cache.constFind(state);
if (cacheIt != cache.constEnd())
return cacheIt.value();
@@ -2035,7 +2028,7 @@ QRenderRule QStyleSheetStyle::renderRule(const QWidget *w, const QStyleOption *o
bool QStyleSheetStyle::hasStyleRule(const QWidget *w, int part) const
{
- QHash<int, bool> &cache = (*hasStyleRuleCache)[w];
+ QHash<int, bool> &cache = styleSheetCaches->hasStyleRuleCache[w];
QHash<int, bool>::const_iterator cacheIt = cache.constFind(part);
if (cacheIt != cache.constEnd())
return cacheIt.value();
@@ -2565,7 +2558,7 @@ void QStyleSheetStyle::setPalette(QWidget *w)
rule.configurePalette(&p, map[i].group, ew, ew != w);
}
- customPaletteWidgets->insert(w, w->palette());
+ styleSheetCaches->customPaletteWidgets.insert(w, w->palette());
w->setPalette(p);
if (ew != w)
ew->setPalette(p);
@@ -2573,32 +2566,32 @@ void QStyleSheetStyle::setPalette(QWidget *w)
void QStyleSheetStyle::unsetPalette(QWidget *w)
{
- if (customPaletteWidgets->contains(w)) {
- QPalette p = customPaletteWidgets->value(w);
+ if (styleSheetCaches->customPaletteWidgets.contains(w)) {
+ QPalette p = styleSheetCaches->customPaletteWidgets.value(w);
w->setPalette(p);
QWidget *ew = embeddedWidget(w);
if (ew != w)
ew->setPalette(p);
- customPaletteWidgets->remove(w);
+ styleSheetCaches->customPaletteWidgets.remove(w);
}
QVariant oldFont = w->property("_q_styleSheetWidgetFont");
if (oldFont.isValid()) {
w->setFont(qvariant_cast<QFont>(oldFont));
}
- if (autoFillDisabledWidgets->contains(w)) {
+ if (styleSheetCaches->autoFillDisabledWidgets.contains(w)) {
embeddedWidget(w)->setAutoFillBackground(true);
- autoFillDisabledWidgets->remove(w);
+ styleSheetCaches->autoFillDisabledWidgets.remove(w);
}
}
static void updateWidgets(const QList<const QWidget *>& widgets)
{
- if (!styleRulesCache->isEmpty() || !hasStyleRuleCache->isEmpty() || !renderRulesCache->isEmpty()) {
+ if (!styleSheetCaches->styleRulesCache.isEmpty() || !styleSheetCaches->hasStyleRuleCache.isEmpty() || !styleSheetCaches->renderRulesCache.isEmpty()) {
for (int i = 0; i < widgets.size(); ++i) {
const QWidget *widget = widgets.at(i);
- styleRulesCache->remove(widget);
- hasStyleRuleCache->remove(widget);
- renderRulesCache->remove(widget);
+ styleSheetCaches->styleRulesCache.remove(widget);
+ styleSheetCaches->hasStyleRuleCache.remove(widget);
+ styleSheetCaches->renderRulesCache.remove(widget);
}
}
for (int i = 0; i < widgets.size(); ++i) {
@@ -2622,12 +2615,7 @@ QStyleSheetStyle::QStyleSheetStyle(QStyle *base)
{
++numinstances;
if (numinstances == 1) {
- styleRulesCache = new QHash<const QWidget *, QVector<StyleRule> >;
- hasStyleRuleCache = new QHash<const QWidget *, QHash<int, bool> >;
- renderRulesCache = new QHash<const QWidget *, QRenderRules>;
- customPaletteWidgets = new QHash<const QWidget *, QPalette>;
- styleSheetCache = new QHash<const void *, StyleSheet>;
- autoFillDisabledWidgets = new QSet<const QWidget *>;
+ styleSheetCaches = new QStyleSheetStyleCaches;
}
}
@@ -2635,18 +2623,7 @@ QStyleSheetStyle::~QStyleSheetStyle()
{
--numinstances;
if (numinstances == 0) {
- delete styleRulesCache;
- styleRulesCache = 0;
- delete hasStyleRuleCache;
- hasStyleRuleCache = 0;
- delete renderRulesCache;
- renderRulesCache = 0;
- delete customPaletteWidgets;
- customPaletteWidgets = 0;
- delete styleSheetCache;
- styleSheetCache = 0;
- delete autoFillDisabledWidgets;
- autoFillDisabledWidgets = 0;
+ delete styleSheetCaches;
}
}
QStyle *QStyleSheetStyle::baseStyle() const
@@ -2658,19 +2635,19 @@ QStyle *QStyleSheetStyle::baseStyle() const
return QApplication::style();
}
-void QStyleSheetStyle::widgetDestroyed(QObject *o)
+void QStyleSheetStyleCaches::widgetDestroyed(QObject *o)
{
- styleRulesCache->remove((const QWidget *)o);
- hasStyleRuleCache->remove((const QWidget *)o);
- renderRulesCache->remove((const QWidget *)o);
- customPaletteWidgets->remove((const QWidget *)o);
- styleSheetCache->remove((const QWidget *)o);
- autoFillDisabledWidgets->remove((const QWidget *)o);
+ styleRulesCache.remove((const QWidget *)o);
+ hasStyleRuleCache.remove((const QWidget *)o);
+ renderRulesCache.remove((const QWidget *)o);
+ customPaletteWidgets.remove((const QWidget *)o);
+ styleSheetCache.remove((const QWidget *)o);
+ autoFillDisabledWidgets.remove((const QWidget *)o);
}
-void QStyleSheetStyle::styleDestroyed(QObject *o)
+void QStyleSheetStyleCaches::styleDestroyed(QObject *o)
{
- styleSheetCache->remove(o);
+ styleSheetCache.remove(o);
}
/*!
@@ -2688,7 +2665,7 @@ bool QStyleSheetStyle::initWidget(const QWidget *w) const
return false;
const_cast<QWidget *>(w)->setAttribute(Qt::WA_StyleSheet, true);
- QObject::connect(w, SIGNAL(destroyed(QObject*)), this, SLOT(widgetDestroyed(QObject*)));
+ QObject::connect(w, SIGNAL(destroyed(QObject*)), styleSheetCaches, SLOT(widgetDestroyed(QObject*)), Qt::UniqueConnection);
return true;
}
@@ -2700,12 +2677,12 @@ void QStyleSheetStyle::polish(QWidget *w)
if (!initWidget(w))
return;
- if (styleRulesCache->contains(w)) {
+ if (styleSheetCaches->styleRulesCache.contains(w)) {
// the widget accessed its style pointer before polish (or repolish)
// (exemple: the QAbstractSpinBox constructor ask for the stylehint)
- styleRulesCache->remove(w);
- hasStyleRuleCache->remove(w);
- renderRulesCache->remove(w);
+ styleSheetCaches->styleRulesCache.remove(w);
+ styleSheetCaches->hasStyleRuleCache.remove(w);
+ styleSheetCaches->renderRulesCache.remove(w);
}
setGeometry(w);
setProperties(w);
@@ -2771,7 +2748,7 @@ void QStyleSheetStyle::polish(QWidget *w)
QWidget *ew = embeddedWidget(w);
if (ew->autoFillBackground()) {
ew->setAutoFillBackground(false);
- autoFillDisabledWidgets->insert(w);
+ styleSheetCaches->autoFillDisabledWidgets.insert(w);
if (ew != w) { //eg. viewport of a scrollarea
//(in order to draw the background anyway in case we don't.)
ew->setAttribute(Qt::WA_StyledBackground, true);
@@ -2797,18 +2774,18 @@ void QStyleSheetStyle::repolish(QWidget *w)
{
QList<const QWidget *> children = w->findChildren<const QWidget *>(QString());
children.append(w);
- styleSheetCache->remove(w);
+ styleSheetCaches->styleSheetCache.remove(w);
updateWidgets(children);
}
void QStyleSheetStyle::repolish(QApplication *app)
{
Q_UNUSED(app);
- const QList<const QWidget*> allWidgets = styleRulesCache->keys();
- styleSheetCache->remove(qApp);
- styleRulesCache->clear();
- hasStyleRuleCache->clear();
- renderRulesCache->clear();
+ const QList<const QWidget*> allWidgets = styleSheetCaches->styleRulesCache.keys();
+ styleSheetCaches->styleSheetCache.remove(qApp);
+ styleSheetCaches->styleRulesCache.clear();
+ styleSheetCaches->hasStyleRuleCache.clear();
+ styleSheetCaches->renderRulesCache.clear();
updateWidgets(allWidgets);
}
@@ -2819,10 +2796,10 @@ void QStyleSheetStyle::unpolish(QWidget *w)
return;
}
- styleRulesCache->remove(w);
- hasStyleRuleCache->remove(w);
- renderRulesCache->remove(w);
- styleSheetCache->remove(w);
+ styleSheetCaches->styleRulesCache.remove(w);
+ styleSheetCaches->hasStyleRuleCache.remove(w);
+ styleSheetCaches->renderRulesCache.remove(w);
+ styleSheetCaches->styleSheetCache.remove(w);
unsetPalette(w);
w->setProperty("_q_stylesheet_minw", QVariant());
w->setProperty("_q_stylesheet_minh", QVariant());
@@ -2849,10 +2826,10 @@ void QStyleSheetStyle::unpolish(QApplication *app)
{
baseStyle()->unpolish(app);
RECURSION_GUARD(return)
- styleRulesCache->clear();
- hasStyleRuleCache->clear();
- renderRulesCache->clear();
- styleSheetCache->remove(qApp);
+ styleSheetCaches->styleRulesCache.clear();
+ styleSheetCaches->hasStyleRuleCache.clear();
+ styleSheetCaches->renderRulesCache.clear();
+ styleSheetCaches->styleSheetCache.remove(qApp);
}
#ifndef QT_NO_TABBAR
@@ -4261,7 +4238,7 @@ void QStyleSheetStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *op
case PE_Widget:
if (!rule.hasDrawable()) {
QWidget *container = containerWidget(w);
- if (autoFillDisabledWidgets->contains(container)
+ if (styleSheetCaches->autoFillDisabledWidgets.contains(container)
&& (container == w || !renderRule(container, opt).hasBackground())) {
//we do not have a background, but we disabled the autofillbackground anyway. so fill the background now.
// (this may happen if we have rules like :focus)
diff --git a/src/gui/styles/qstylesheetstyle_p.h b/src/gui/styles/qstylesheetstyle_p.h
index fd81437..4564950 100644
--- a/src/gui/styles/qstylesheetstyle_p.h
+++ b/src/gui/styles/qstylesheetstyle_p.h
@@ -145,10 +145,6 @@ protected Q_SLOTS:
protected:
bool event(QEvent *e);
-private Q_SLOTS:
- void widgetDestroyed(QObject *);
- void styleDestroyed(QObject *);
-
private:
int refcount;
@@ -186,6 +182,22 @@ private:
Q_DECLARE_PRIVATE(QStyleSheetStyle)
};
+class QStyleSheetStyleCaches : public QObject
+{
+ Q_OBJECT
+public Q_SLOTS:
+ void widgetDestroyed(QObject *);
+ void styleDestroyed(QObject *);
+public:
+ QHash<const QWidget *, QVector<QCss::StyleRule> > styleRulesCache;
+ QHash<const QWidget *, QHash<int, bool> > hasStyleRuleCache;
+ typedef QHash<int, QHash<quint64, QRenderRule> > QRenderRules;
+ QHash<const QWidget *, QRenderRules> renderRulesCache;
+ QHash<const QWidget *, QPalette> customPaletteWidgets; // widgets whose palette we tampered
+ QHash<const void *, QCss::StyleSheet> styleSheetCache; // parsed style sheets
+ QSet<const QWidget *> autoFillDisabledWidgets;
+};
+
QT_END_NAMESPACE
#endif // QT_NO_STYLE_STYLESHEET
diff --git a/tests/auto/qstylesheetstyle/tst_qstylesheetstyle.cpp b/tests/auto/qstylesheetstyle/tst_qstylesheetstyle.cpp
index 04b1e79..9526ad8 100644
--- a/tests/auto/qstylesheetstyle/tst_qstylesheetstyle.cpp
+++ b/tests/auto/qstylesheetstyle/tst_qstylesheetstyle.cpp
@@ -103,6 +103,7 @@ private slots:
//at the end because it mess with the style.
void widgetStyle();
void appStyle();
+ void QTBUG11658_cachecrash();
private:
QColor COLOR(const QWidget& w) {
w.ensurePolished();
@@ -1622,6 +1623,37 @@ void tst_QStyleSheetStyle::changeStyleInChangeEvent()
wid.ensurePolished();
}
+void tst_QStyleSheetStyle::QTBUG11658_cachecrash()
+{
+ //should not crash
+ class Widget : public QWidget
+ {
+ public:
+ Widget(QWidget *parent = 0)
+ : QWidget(parent)
+ {
+ QVBoxLayout* pLayout = new QVBoxLayout(this);
+ QCheckBox* pCheckBox = new QCheckBox(this);
+ pLayout->addWidget(pCheckBox);
+ setLayout(pLayout);
+
+ QString szStyleSheet = QLatin1String("* { color: red; }");
+ qApp->setStyleSheet(szStyleSheet);
+ qApp->setStyle(QStyleFactory::create(QLatin1String("Windows")));
+ }
+ };
+
+ Widget *w = new Widget();
+ delete w;
+ w = new Widget();
+ w->show();
+
+ QTest::qWaitForWindowShown(w);
+ delete w;
+ qApp->setStyleSheet(QString());
+}
+
+
QTEST_MAIN(tst_QStyleSheetStyle)
#include "tst_qstylesheetstyle.moc"