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-rw-r--r--src/corelib/global/qlogging.cpp1
-rw-r--r--src/gui/kernel/qwindow.cpp2
-rw-r--r--src/gui/painting/qdrawhelper.cpp7
-rw-r--r--src/gui/text/qrawfont.cpp16
-rw-r--r--src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp8
-rw-r--r--src/widgets/dialogs/qfontdialog.cpp4
-rw-r--r--src/widgets/graphicsview/qgraphicsscene.cpp4
-rw-r--r--src/widgets/kernel/qtooltip.cpp1
8 files changed, 35 insertions, 8 deletions
diff --git a/src/corelib/global/qlogging.cpp b/src/corelib/global/qlogging.cpp
index 5842b26ecb..e8262aa0c0 100644
--- a/src/corelib/global/qlogging.cpp
+++ b/src/corelib/global/qlogging.cpp
@@ -1136,6 +1136,7 @@ void QMessagePattern::setPattern(const QString &pattern)
backtraceArgs.append(backtraceParams);
#else
error += QLatin1String("QT_MESSAGE_PATTERN: %{backtrace} is not supported by this Qt build\n");
+ tokens[i] = "";
#endif
}
diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp
index 18e8bcf99c..a20f4329b1 100644
--- a/src/gui/kernel/qwindow.cpp
+++ b/src/gui/kernel/qwindow.cpp
@@ -2392,7 +2392,7 @@ void QWindowPrivate::maybeQuitOnLastWindowClosed()
bool lastWindowClosed = true;
for (int i = 0; i < list.size(); ++i) {
QWindow *w = list.at(i);
- if (!w->isVisible() || w->transientParent())
+ if (!w->isVisible() || w->transientParent() || w->type() == Qt::ToolTip)
continue;
lastWindowClosed = false;
break;
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 867eb76200..1c772ef232 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -5637,15 +5637,16 @@ static void qt_gradient_quint16(int count, const QSpan *spans, void *userData)
int yinc = int((linear.dy * data->m22 * gss) * FIXPT_SIZE);
int off = int((((linear.dy * (data->m22 * qreal(0.5) + data->dy) + linear.off) * gss) * FIXPT_SIZE));
- QRgba64 oldColor = data->solid.color;
+ // Save the fillData since we overwrite it when setting solid.color.
+ QGradientData gradient = data->gradient;
while (count--) {
int y = spans->y;
- data->solid.color = QRgba64::fromArgb32(qt_gradient_pixel_fixed(&data->gradient, yinc * y + off));
+ data->solid.color = QRgba64::fromArgb32(qt_gradient_pixel_fixed(&gradient, yinc * y + off));
blend_color_rgb16(1, spans, userData);
++spans;
}
- data->solid.color = oldColor;
+ data->gradient = gradient;
} else {
blend_src_generic(count, spans, userData);
diff --git a/src/gui/text/qrawfont.cpp b/src/gui/text/qrawfont.cpp
index eadb65959a..88b9e218fb 100644
--- a/src/gui/text/qrawfont.cpp
+++ b/src/gui/text/qrawfont.cpp
@@ -317,6 +317,13 @@ bool QRawFont::operator==(const QRawFont &other) const
/*!
Returns the ascent of this QRawFont in pixel units.
+ The ascent of a font is the distance from the baseline to the
+ highest position characters extend to. In practice, some font
+ designers break this rule, e.g. when they put more than one accent
+ on top of a character, or to accommodate an unusual character in
+ an exotic language, so it is possible (though rare) that this
+ value will be too small.
+
\sa QFontMetricsF::ascent()
*/
qreal QRawFont::ascent() const
@@ -327,6 +334,11 @@ qreal QRawFont::ascent() const
/*!
Returns the descent of this QRawFont in pixel units.
+ The descent is the distance from the base line to the lowest point
+ characters extend to. In practice, some font designers break this rule,
+ e.g. to accommodate an unusual character in an exotic language, so
+ it is possible (though rare) that this value will be too small.
+
\sa QFontMetricsF::descent()
*/
qreal QRawFont::descent() const
@@ -337,6 +349,8 @@ qreal QRawFont::descent() const
/*!
Returns the xHeight of this QRawFont in pixel units.
+ This is often but not always the same as the height of the character 'x'.
+
\sa QFontMetricsF::xHeight()
*/
qreal QRawFont::xHeight() const
@@ -347,6 +361,8 @@ qreal QRawFont::xHeight() const
/*!
Returns the leading of this QRawFont in pixel units.
+ This is the natural inter-line spacing.
+
\sa QFontMetricsF::leading()
*/
qreal QRawFont::leading() const
diff --git a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp
index 02b7e1bd63..591259ad70 100644
--- a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp
+++ b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp
@@ -362,6 +362,12 @@ static const char *getFcFamilyForStyleHint(const QFont::StyleHint style)
return stylehint;
}
+static inline bool requiresOpenType(int writingSystem)
+{
+ return ((writingSystem >= QFontDatabase::Syriac && writingSystem <= QFontDatabase::Sinhala)
+ || writingSystem == QFontDatabase::Khmer || writingSystem == QFontDatabase::Nko);
+}
+
static void populateFromPattern(FcPattern *pattern)
{
QString familyName;
@@ -430,7 +436,7 @@ static void populateFromPattern(FcPattern *pattern)
FcLangResult langRes = FcLangSetHasLang(langset, lang);
if (langRes != FcLangDifferentLang) {
#if FC_VERSION >= 20297
- if (capabilityForWritingSystem[j] != Q_NULLPTR) {
+ if (capabilityForWritingSystem[j] != Q_NULLPTR && requiresOpenType(j)) {
if (cap == Q_NULLPTR)
capRes = FcPatternGetString(pattern, FC_CAPABILITY, 0, &cap);
if (capRes == FcResultMatch && strstr(reinterpret_cast<const char *>(cap), capabilityForWritingSystem[j]) == 0)
diff --git a/src/widgets/dialogs/qfontdialog.cpp b/src/widgets/dialogs/qfontdialog.cpp
index c373bcf1df..b62cd58db7 100644
--- a/src/widgets/dialogs/qfontdialog.cpp
+++ b/src/widgets/dialogs/qfontdialog.cpp
@@ -1036,7 +1036,9 @@ void QFontDialog::done(int result)
bool QFontDialogPrivate::canBeNativeDialog() const
{
- Q_Q(const QFontDialog);
+ // Don't use Q_Q here! This function is called from ~QDialog,
+ // so Q_Q calling q_func() invokes undefined behavior (invalid cast in q_func()).
+ const QDialog * const q = static_cast<const QDialog*>(q_ptr);
if (nativeDialogInUse)
return true;
if (QCoreApplication::testAttribute(Qt::AA_DontUseNativeDialogs)
diff --git a/src/widgets/graphicsview/qgraphicsscene.cpp b/src/widgets/graphicsview/qgraphicsscene.cpp
index b63686cd77..6a4f740b84 100644
--- a/src/widgets/graphicsview/qgraphicsscene.cpp
+++ b/src/widgets/graphicsview/qgraphicsscene.cpp
@@ -717,7 +717,7 @@ void QGraphicsScenePrivate::removeItemHelper(QGraphicsItem *item)
++it;
}
- QGraphicsObject *dummy = static_cast<QGraphicsObject *>(item);
+ QGraphicsObject *dummy = item->toGraphicsObject();
cachedTargetItems.removeOne(dummy);
cachedItemGestures.remove(dummy);
cachedAlreadyDeliveredGestures.remove(dummy);
@@ -996,7 +996,7 @@ void QGraphicsScenePrivate::ungrabMouse(QGraphicsItem *item, bool itemIsDying)
// If the item is a popup, go via removePopup to ensure state
// consistency and that it gets hidden correctly - beware that
// removePopup() reenters this function to continue removing the grab.
- removePopup((QGraphicsWidget *)item, itemIsDying);
+ removePopup(popupWidgets.constLast(), itemIsDying);
return;
}
diff --git a/src/widgets/kernel/qtooltip.cpp b/src/widgets/kernel/qtooltip.cpp
index c606ef6375..78929d8cd5 100644
--- a/src/widgets/kernel/qtooltip.cpp
+++ b/src/widgets/kernel/qtooltip.cpp
@@ -342,6 +342,7 @@ bool QTipLabel::eventFilter(QObject *o, QEvent *e)
case QEvent::FocusIn:
case QEvent::FocusOut:
#endif
+ case QEvent::Close: // For QTBUG-55523 (QQC) specifically: Hide tooltip when windows are closed
case QEvent::MouseButtonPress:
case QEvent::MouseButtonRelease:
case QEvent::MouseButtonDblClick: