Add more Q_FALLTHROUGH()

Silence g++ 7.X warnings.

Change-Id: Id06d06e7e3b5be2cf3934d81f1891da58dea2649
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>

9 files changed, 12 insertions, 12 deletions

diff --git a/src/widgets/widgets/qabstractscrollarea.cpp b/src/widgets/widgets/qabstractscrollarea.cpp
index c6d66bafd4..917cddce6f 100644
--- a/src/widgets/widgets/qabstractscrollarea.cpp
+++ b/src/widgets/widgets/qabstractscrollarea.cpp
@@ -1163,7 +1163,7 @@ bool QAbstractScrollArea::event(QEvent *e)
     case QEvent::ApplicationLayoutDirectionChange:
     case QEvent::LayoutRequest:
         d->layoutChildren();
-        // fall through
+        Q_FALLTHROUGH();
     default:
         return QFrame::event(e);
     }
diff --git a/src/widgets/widgets/qcombobox.cpp b/src/widgets/widgets/qcombobox.cpp
index 4e8668b001..7d4498af5b 100644
--- a/src/widgets/widgets/qcombobox.cpp
+++ b/src/widgets/widgets/qcombobox.cpp
@@ -3215,7 +3215,7 @@ void QComboBox::keyPressEvent(QKeyEvent *e)
     case Qt::Key_Up:
         if (e->modifiers() & Qt::ControlModifier)
             break; // pass to line edit for auto completion
-        // fall through
+        Q_FALLTHROUGH();
     case Qt::Key_PageUp:
 #ifdef QT_KEYPAD_NAVIGATION
         if (QApplication::keypadNavigationEnabled())
@@ -3303,7 +3303,7 @@ void QComboBox::keyPressEvent(QKeyEvent *e)
         switch (move) {
         case MoveFirst:
             newIndex = -1;
-            // fall through
+            Q_FALLTHROUGH();
         case MoveDown:
             newIndex++;
             while (newIndex < rowCount && !(d->model->index(newIndex, d->modelColumn, d->root).flags() & Qt::ItemIsEnabled))
@@ -3311,7 +3311,7 @@ void QComboBox::keyPressEvent(QKeyEvent *e)
             break;
         case MoveLast:
             newIndex = rowCount;
-            // fall through
+            Q_FALLTHROUGH();
         case MoveUp:
             newIndex--;
             while ((newIndex >= 0) && !(d->model->flags(d->model->index(newIndex,d->modelColumn,d->root)) & Qt::ItemIsEnabled))
diff --git a/src/widgets/widgets/qdatetimeedit.cpp b/src/widgets/widgets/qdatetimeedit.cpp
index 17cea09b1f..fca81bec48 100644
--- a/src/widgets/widgets/qdatetimeedit.cpp
+++ b/src/widgets/widgets/qdatetimeedit.cpp
@@ -1129,7 +1129,7 @@ void QDateTimeEdit::keyPressEvent(QKeyEvent *event)
             }
 #endif
         }
-        // else fall through
+        Q_FALLTHROUGH();
     case Qt::Key_Backtab:
     case Qt::Key_Tab: {
         event->accept();
diff --git a/src/widgets/widgets/qdialogbuttonbox.cpp b/src/widgets/widgets/qdialogbuttonbox.cpp
index 788ec67fb2..9f5b739230 100644
--- a/src/widgets/widgets/qdialogbuttonbox.cpp
+++ b/src/widgets/widgets/qdialogbuttonbox.cpp
@@ -927,8 +927,8 @@ void QDialogButtonBox::changeEvent(QEvent *event)
             for (StandardButtonHash::iterator it = d->standardButtonHash.begin(); it != end; ++it)
                 it.key()->setStyle(newStyle);
         }
-        // fallthrough intended
 #ifdef Q_OS_MAC
+        Q_FALLTHROUGH();
     case QEvent::MacSizeChange:
 #endif
         d->resetLayout();
diff --git a/src/widgets/widgets/qmdiarea.cpp b/src/widgets/widgets/qmdiarea.cpp
index bc7333df2e..ff3e9d2d3b 100644
--- a/src/widgets/widgets/qmdiarea.cpp
+++ b/src/widgets/widgets/qmdiarea.cpp
@@ -2638,7 +2638,7 @@ bool QMdiArea::eventFilter(QObject *object, QEvent *event)
                 d->tabBar->setTabEnabled(tabIndex, true);
         }
 #endif // QT_CONFIG(tabbar)
-        // fall through
+        Q_FALLTHROUGH();
     case QEvent::Hide:
         d->isSubWindowsTiled = false;
         break;
diff --git a/src/widgets/widgets/qmenubar.cpp b/src/widgets/widgets/qmenubar.cpp
index 384c3b4c2c..7bc764030a 100644
--- a/src/widgets/widgets/qmenubar.cpp
+++ b/src/widgets/widgets/qmenubar.cpp
@@ -1542,7 +1542,7 @@ bool QMenuBar::eventFilter(QObject *object, QEvent *event)
                     d->setKeyboardMode(!d->keyboardState);
                 }
             }
-            // fall through
+            Q_FALLTHROUGH();
             case QEvent::MouseButtonPress:
             case QEvent::MouseButtonRelease:
             case QEvent::MouseMove:
diff --git a/src/widgets/widgets/qpushbutton.cpp b/src/widgets/widgets/qpushbutton.cpp
index 8187b8f35c..afb17f533b 100644
--- a/src/widgets/widgets/qpushbutton.cpp
+++ b/src/widgets/widgets/qpushbutton.cpp
@@ -461,7 +461,7 @@ void QPushButton::keyPressEvent(QKeyEvent *e)
             click();
             break;
         }
-        // fall through
+        Q_FALLTHROUGH();
     default:
         QAbstractButton::keyPressEvent(e);
     }
diff --git a/src/widgets/widgets/qsplitter.cpp b/src/widgets/widgets/qsplitter.cpp
index 5f49623941..8e4c846402 100644
--- a/src/widgets/widgets/qsplitter.cpp
+++ b/src/widgets/widgets/qsplitter.cpp
@@ -1372,7 +1372,7 @@ bool QSplitter::event(QEvent *e)
         if (!d->firstShow)
             break;
         d->firstShow = false;
-        // fall through
+        Q_FALLTHROUGH();
     case QEvent::HideToParent:
     case QEvent::ShowToParent:
     case QEvent::LayoutRequest:
diff --git a/src/widgets/widgets/qtabbar.cpp b/src/widgets/widgets/qtabbar.cpp
index adaafc7d21..258e018151 100644
--- a/src/widgets/widgets/qtabbar.cpp
+++ b/src/widgets/widgets/qtabbar.cpp
@@ -1034,7 +1034,7 @@ void QTabBar::removeTab(int index)
                         newIndex--;
                     if (d->validIndex(newIndex))
                         break;
-                    // else fallthrough
+                    Q_FALLTHROUGH();
                 case SelectRightTab:
                     newIndex = index;
                     if (newIndex >= d->tabList.size())
@@ -2221,7 +2221,7 @@ void QTabBar::changeEvent(QEvent *event)
             d->elideMode = Qt::TextElideMode(style()->styleHint(QStyle::SH_TabBar_ElideMode, 0, this));
         if (!d->useScrollButtonsSetByUser)
             d->useScrollButtons = !style()->styleHint(QStyle::SH_TabBar_PreferNoArrows, 0, this);
-        // fallthrough
+        Q_FALLTHROUGH();
     case QEvent::FontChange:
         d->textSizes.clear();
         d->refresh();