1 files changed, 90 insertions, 6 deletions

diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index 49d64c5cd8..eea44300e8 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -245,6 +245,9 @@ QWidgetPrivate::QWidgetPrivate(int version)
 #if !defined(QT_NO_IM)
       , imHints(Qt::ImhNone)
 #endif
+#ifndef QT_NO_TOOLTIP
+      , toolTipDuration(-1)
+#endif
       , inheritedFontResolveMask(0)
       , inheritedPaletteResolveMask(0)
       , leftmargin(0)
@@ -261,6 +264,7 @@ QWidgetPrivate::QWidgetPrivate(int version)
       , bg_role(QPalette::NoRole)
       , dirtyOpaqueChildren(1)
       , isOpaque(0)
+      , retainSizeWhenHiddenChanged(0)
       , inDirtyList(0)
       , isScrolled(0)
       , isMoved(0)
@@ -5597,6 +5601,15 @@ void QWidgetPrivate::setWindowIconText_helper(const QString &title)
         setWindowIconText_sys(qt_setWindowTitle_helperHelper(title, q));
 }
 
+/*!
+    \fn void QWidget::windowIconTextChanged(const QString &iconText)
+
+    This signal is emitted when the window's icon text has changed, with the
+    new \a iconText as an argument.
+
+    \since 5.2
+*/
+
 void QWidget::setWindowIconText(const QString &iconText)
 {
     if (QWidget::windowIconText() == iconText)
@@ -5608,8 +5621,19 @@ void QWidget::setWindowIconText(const QString &iconText)
 
     QEvent e(QEvent::IconTextChange);
     QApplication::sendEvent(this, &e);
+
+    emit windowIconTextChanged(iconText);
 }
 
+/*!
+    \fn void QWidget::windowTitleChanged(const QString &title)
+
+    This signal is emitted when the window's title has changed, with the
+    new \a title as an argument.
+
+    \since 5.2
+*/
+
 void QWidget::setWindowTitle(const QString &title)
 {
     if (QWidget::windowTitle() == title && !title.isEmpty() && !title.isNull())
@@ -5621,6 +5645,8 @@ void QWidget::setWindowTitle(const QString &title)
 
     QEvent e(QEvent::WindowTitleChange);
     QApplication::sendEvent(this, &e);
+
+    emit windowTitleChanged(title);
 }
 
 
@@ -5657,6 +5683,15 @@ void QWidgetPrivate::setWindowIcon_helper()
     }
 }
 
+/*!
+    \fn void QWidget::windowIconChanged(const QIcon &icon)
+
+    This signal is emitted when the window's icon has changed, with the
+    new \a icon as an argument.
+
+    \since 5.2
+*/
+
 void QWidget::setWindowIcon(const QIcon &icon)
 {
     Q_D(QWidget);
@@ -5670,6 +5705,8 @@ void QWidget::setWindowIcon(const QIcon &icon)
 
     d->setWindowIcon_sys();
     d->setWindowIcon_helper();
+
+    emit windowIconChanged(icon);
 }
 
 
@@ -7264,10 +7301,19 @@ void QWidget::setVisible(bool visible)
             create();
         }
 
-#if defined(Q_WS_X11)
-        if (windowType() == Qt::Window)
-            QApplicationPrivate::applyX11SpecificCommandLineArguments(this);
-#endif
+        // Handling of the -qwindowgeometry, -geometry command line arguments
+        if (windowType() == Qt::Window && windowHandle()) {
+            static bool done = false;
+            if (!done) {
+                done = true;
+                const QRect oldGeometry = frameGeometry();
+                const QRect geometry = QGuiApplicationPrivate::applyWindowGeometrySpecification(oldGeometry, windowHandle());
+                if (oldGeometry.size() != geometry.size())
+                    resize(geometry.size());
+                if (geometry.topLeft() != oldGeometry.topLeft())
+                    move(geometry.topLeft());
+            } // done
+        }
 
         bool wasResized = testAttribute(Qt::WA_Resized);
         Qt::WindowStates initialWindowState = windowState();
@@ -8207,7 +8253,7 @@ bool QWidget::event(QEvent *event)
 #ifndef QT_NO_TOOLTIP
     case QEvent::ToolTip:
         if (!d->toolTip.isEmpty())
-            QToolTip::showText(static_cast<QHelpEvent*>(event)->globalPos(), d->toolTip, this);
+            QToolTip::showText(static_cast<QHelpEvent*>(event)->globalPos(), d->toolTip, this, QRect(), d->toolTipDuration);
         else
             event->ignore();
         break;
@@ -9251,6 +9297,10 @@ void QWidget::setSizePolicy(QSizePolicy policy)
     setAttribute(Qt::WA_WState_OwnSizePolicy);
     if (policy == d->size_policy)
         return;
+
+    if (d->size_policy.retainSizeWhenHidden() != policy.retainSizeWhenHidden())
+        d->retainSizeWhenHiddenChanged = 1;
+
     d->size_policy = policy;
 
 #ifndef QT_NO_GRAPHICSVIEW
@@ -9261,6 +9311,7 @@ void QWidget::setSizePolicy(QSizePolicy policy)
 #endif
 
     updateGeometry();
+    d->retainSizeWhenHiddenChanged = 0;
 
     if (isWindow() && d->maybeTopData())
         d->topData()->sizeAdjusted = false;
@@ -9389,7 +9440,9 @@ void QWidgetPrivate::updateGeometry_helper(bool forceUpdate)
         widgetItem->invalidateSizeCache();
     QWidget *parent;
     if (forceUpdate || !extra || extra->minw != extra->maxw || extra->minh != extra->maxh) {
-        if (!q->isWindow() && !q->isHidden() && (parent = q->parentWidget())) {
+        const int isHidden = q->isHidden() && !size_policy.retainSizeWhenHidden() && !retainSizeWhenHiddenChanged;
+
+        if (!q->isWindow() && !isHidden && (parent = q->parentWidget())) {
             if (parent->d_func()->layout)
                 parent->d_func()->layout->invalidate();
             else if (parent->isVisible())
@@ -10019,6 +10072,13 @@ void QWidget::setAttribute(Qt::WidgetAttribute attribute, bool on)
     }
 #endif
 
+    // Don't set WA_NativeWindow on platforms that don't support it
+    if (attribute == Qt::WA_NativeWindow) {
+        QPlatformIntegration *platformIntegration = QGuiApplicationPrivate::platformIntegration();
+        if (!platformIntegration->hasCapability(QPlatformIntegration::NativeWidgets))
+            return;
+    }
+
     setAttribute_internal(attribute, on, data, d);
 
     switch (attribute) {
@@ -10426,6 +10486,30 @@ QString QWidget::toolTip() const
     Q_D(const QWidget);
     return d->toolTip;
 }
+
+/*!
+  \property QWidget::toolTipDuration
+  \brief the widget's tooltip duration
+  \since 5.2
+
+  Specifies how long time the tooltip will be displayed, in milliseconds.
+  If the value is -1 (default) the duration is calculated depending on the length of the tooltip.
+
+  \sa toolTip
+*/
+
+void QWidget::setToolTipDuration(int msec)
+{
+    Q_D(QWidget);
+    d->toolTipDuration = msec;
+}
+
+int QWidget::toolTipDuration() const
+{
+    Q_D(const QWidget);
+    return d->toolTipDuration;
+}
+
 #endif // QT_NO_TOOLTIP