5 files changed, 12 insertions, 16 deletions

diff --git a/src/widgets/kernel/qopenglwidget.cpp b/src/widgets/kernel/qopenglwidget.cpp
index cbefb8a6bf..307d0bb909 100644
--- a/src/widgets/kernel/qopenglwidget.cpp
+++ b/src/widgets/kernel/qopenglwidget.cpp
@@ -170,12 +170,6 @@ void QOpenGLWidget::resizeEvent(QResizeEvent *)
     d->fbo = new QOpenGLFramebufferObject(size() * devicePixelRatio(), QOpenGLFramebufferObject::CombinedDepthStencil);
     d->fbo->bind();
     QOpenGLFunctions *funcs = d->context.functions();
-    funcs->glBindTexture(GL_TEXTURE_2D, d->fbo->texture());
-    funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-    funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-    funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
-    funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-
     resizeGL(width(), height());
     paintGL();
     funcs->glFlush();
diff --git a/src/widgets/styles/qmacstyle_mac.mm b/src/widgets/styles/qmacstyle_mac.mm
index 252de5cd18..513848f7ab 100644
--- a/src/widgets/styles/qmacstyle_mac.mm
+++ b/src/widgets/styles/qmacstyle_mac.mm
@@ -3245,7 +3245,7 @@ void QMacStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPai
     case PE_PanelStatusBar: {
         // Fill the status bar with the titlebar gradient.
         QLinearGradient linearGrad(0, opt->rect.top(), 0, opt->rect.bottom());
-        if (opt->state & QStyle::State_Active) {
+        if (w ? qt_macWindowMainWindow(w->window()) : (opt->state & QStyle::State_Active)) {
             linearGrad.setColorAt(0, titlebarGradientActiveBegin);
             linearGrad.setColorAt(1, titlebarGradientActiveEnd);
         } else {
@@ -3255,7 +3255,7 @@ void QMacStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPai
         p->fillRect(opt->rect, linearGrad);
 
         // Draw the black separator line at the top of the status bar.
-        if (opt->state & QStyle::State_Active)
+        if (w ? qt_macWindowMainWindow(w->window()) : (opt->state & QStyle::State_Active))
             p->setPen(titlebarSeparatorLineActive);
         else
             p->setPen(titlebarSeparatorLineInactive);
diff --git a/src/widgets/widgets/qcombobox.cpp b/src/widgets/widgets/qcombobox.cpp
index 06258cb4a6..f857f4eac0 100644
--- a/src/widgets/widgets/qcombobox.cpp
+++ b/src/widgets/widgets/qcombobox.cpp
@@ -1000,11 +1000,11 @@ void QComboBoxPrivate::_q_dataChanged(const QModelIndex &topLeft, const QModelIn
             emit q->currentTextChanged(text);
         }
         q->update();
-    }
 #ifndef QT_NO_ACCESSIBILITY
-        QAccessibleEvent event(q, QAccessible::NameChanged);
+        QAccessibleValueChangeEvent event(q, text);
         QAccessible::updateAccessibility(&event);
 #endif
+    }
 }
 
 void QComboBoxPrivate::_q_rowsInserted(const QModelIndex &parent, int start, int end)
@@ -1269,7 +1269,7 @@ void QComboBoxPrivate::_q_emitCurrentIndexChanged(const QModelIndex &index)
     if (!lineEdit)
         emit q->currentTextChanged(text);
 #ifndef QT_NO_ACCESSIBILITY
-        QAccessibleEvent event(q, QAccessible::NameChanged);
+        QAccessibleValueChangeEvent event(q, text);
         QAccessible::updateAccessibility(&event);
 #endif
 }
@@ -2757,7 +2757,7 @@ void QComboBox::clear()
     Q_D(QComboBox);
     d->model->removeRows(0, d->model->rowCount(d->root), d->root);
 #ifndef QT_NO_ACCESSIBILITY
-        QAccessibleEvent event(this, QAccessible::NameChanged);
+        QAccessibleValueChangeEvent event(this, QString());
         QAccessible::updateAccessibility(&event);
 #endif
 }
@@ -2771,7 +2771,7 @@ void QComboBox::clearEditText()
     if (d->lineEdit)
         d->lineEdit->clear();
 #ifndef QT_NO_ACCESSIBILITY
-        QAccessibleEvent event(this, QAccessible::NameChanged);
+        QAccessibleValueChangeEvent event(this, QString());
         QAccessible::updateAccessibility(&event);
 #endif
 }
@@ -2785,7 +2785,7 @@ void QComboBox::setEditText(const QString &text)
     if (d->lineEdit)
         d->lineEdit->setText(text);
 #ifndef QT_NO_ACCESSIBILITY
-        QAccessibleEvent event(this, QAccessible::NameChanged);
+        QAccessibleValueChangeEvent event(this, text);
         QAccessible::updateAccessibility(&event);
 #endif
 }
diff --git a/src/widgets/widgets/qmainwindow.cpp b/src/widgets/widgets/qmainwindow.cpp
index 90cfb1d7cb..358569a5e4 100644
--- a/src/widgets/widgets/qmainwindow.cpp
+++ b/src/widgets/widgets/qmainwindow.cpp
@@ -1519,6 +1519,7 @@ void QMainWindow::setUnifiedTitleAndToolBarOnMac(bool set)
 
         typedef void (*SetContentBorderEnabledFunction)(QWindow *window, bool enable);
         (reinterpret_cast<SetContentBorderEnabledFunction>(function))(window()->windowHandle(), set);
+        update();
     }
 #endif
 
diff --git a/src/widgets/widgets/qplaintextedit.cpp b/src/widgets/widgets/qplaintextedit.cpp
index e41cb64463..df13085dee 100644
--- a/src/widgets/widgets/qplaintextedit.cpp
+++ b/src/widgets/widgets/qplaintextedit.cpp
@@ -284,14 +284,15 @@ void QPlainTextDocumentLayoutPrivate::relayout()
 
 /*! \reimp
  */
-void QPlainTextDocumentLayout::documentChanged(int from, int /*charsRemoved*/, int charsAdded)
+void QPlainTextDocumentLayout::documentChanged(int from, int charsRemoved, int charsAdded)
 {
     Q_D(QPlainTextDocumentLayout);
     QTextDocument *doc = document();
     int newBlockCount = doc->blockCount();
+    int charsChanged = qMax(charsRemoved, charsAdded);
 
     QTextBlock changeStartBlock = doc->findBlock(from);
-    QTextBlock changeEndBlock = doc->findBlock(qMax(0, from + charsAdded - 1));
+    QTextBlock changeEndBlock = doc->findBlock(qMax(0, from + charsChanged - 1));
 
     if (changeStartBlock == changeEndBlock && newBlockCount == d->blockCount) {
         QTextBlock block = changeStartBlock;