QtWidgets: mark some constructors explicit

Non-public API.

Change-Id: I68628c51df815f26e8de7522629a611f805673bb
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>

5 files changed, 13 insertions, 13 deletions

diff --git a/src/widgets/widgets/qdockarealayout.cpp b/src/widgets/widgets/qdockarealayout.cpp
index b12aa65dcd..8523f43328 100644
--- a/src/widgets/widgets/qdockarealayout.cpp
+++ b/src/widgets/widgets/qdockarealayout.cpp
@@ -1677,9 +1677,9 @@ void QDockAreaLayoutInfo::tab(int index, QLayoutItem *dockWidgetItem)
         QDockAreaLayoutInfo *new_info
             = new QDockAreaLayoutInfo(sep, dockPos, o, tabBarShape, mainWindow);
         item_list[index].subinfo = new_info;
-        new_info->item_list.append(item_list.at(index).widgetItem);
+        new_info->item_list.append(QDockAreaLayoutItem(item_list.at(index).widgetItem));
         item_list[index].widgetItem = 0;
-        new_info->item_list.append(dockWidgetItem);
+        new_info->item_list.append(QDockAreaLayoutItem(dockWidgetItem));
         new_info->tabbed = true;
         new_info->updateTabBar();
         new_info->setCurrentTab(dockWidgetItem->widget());
@@ -1699,9 +1699,9 @@ void QDockAreaLayoutInfo::split(int index, Qt::Orientation orientation,
         QDockAreaLayoutInfo *new_info
             = new QDockAreaLayoutInfo(sep, dockPos, orientation, tabBarShape, mainWindow);
         item_list[index].subinfo = new_info;
-        new_info->item_list.append(item_list.at(index).widgetItem);
+        new_info->item_list.append(QDockAreaLayoutItem(item_list.at(index).widgetItem));
         item_list[index].widgetItem = 0;
-        new_info->item_list.append(dockWidgetItem);
+        new_info->item_list.append(QDockAreaLayoutItem(dockWidgetItem));
     }
 }
 
@@ -3081,8 +3081,8 @@ void QDockAreaLayout::addDockWidget(QInternal::DockPosition pos, QDockWidget *do
         int tbshape = 0;
 #endif
         QDockAreaLayoutInfo new_info(&sep, pos, orientation, tbshape, mainWindow);
-        new_info.item_list.append(new QDockAreaLayoutInfo(info));
-        new_info.item_list.append(dockWidgetItem);
+        new_info.item_list.append(QDockAreaLayoutItem(new QDockAreaLayoutInfo(info)));
+        new_info.item_list.append(QDockAreaLayoutItem(dockWidgetItem));
         info = new_info;
     }
 
diff --git a/src/widgets/widgets/qdockarealayout_p.h b/src/widgets/widgets/qdockarealayout_p.h
index 5d352f0124..b0f2bdffa4 100644
--- a/src/widgets/widgets/qdockarealayout_p.h
+++ b/src/widgets/widgets/qdockarealayout_p.h
@@ -82,9 +82,9 @@ struct QDockAreaLayoutItem
 {
     enum ItemFlags { NoFlags = 0, GapItem = 1, KeepSize = 2 };
 
-    QDockAreaLayoutItem(QLayoutItem *_widgetItem = 0);
-    QDockAreaLayoutItem(QDockAreaLayoutInfo *_subinfo);
-    QDockAreaLayoutItem(QPlaceHolderItem *_placeHolderItem);
+    explicit QDockAreaLayoutItem(QLayoutItem *_widgetItem = 0);
+    explicit QDockAreaLayoutItem(QDockAreaLayoutInfo *_subinfo);
+    explicit QDockAreaLayoutItem(QPlaceHolderItem *_placeHolderItem);
     QDockAreaLayoutItem(const QDockAreaLayoutItem &other);
     ~QDockAreaLayoutItem();
 
@@ -109,7 +109,7 @@ class Q_AUTOTEST_EXPORT QPlaceHolderItem
 {
 public:
     QPlaceHolderItem() : hidden(false), window(false) {}
-    QPlaceHolderItem(QWidget *w);
+    explicit QPlaceHolderItem(QWidget *w);
 
     QString objectName;
     bool hidden, window;
diff --git a/src/widgets/widgets/qlineedit_p.h b/src/widgets/widgets/qlineedit_p.h
index 60372ab393..8d15aa70e8 100644
--- a/src/widgets/widgets/qlineedit_p.h
+++ b/src/widgets/widgets/qlineedit_p.h
@@ -108,7 +108,7 @@ public:
     };
 
     struct SideWidgetEntry {
-        SideWidgetEntry(QWidget *w = 0, QAction *a = 0, int _flags = 0) : widget(w), action(a), flags(_flags) {}
+        explicit SideWidgetEntry(QWidget *w = 0, QAction *a = 0, int _flags = 0) : widget(w), action(a), flags(_flags) {}
 
         QWidget *widget;
         QAction *action;
diff --git a/src/widgets/widgets/qmainwindowlayout.cpp b/src/widgets/widgets/qmainwindowlayout.cpp
index 54e956c4cf..6b171ae452 100644
--- a/src/widgets/widgets/qmainwindowlayout.cpp
+++ b/src/widgets/widgets/qmainwindowlayout.cpp
@@ -1945,7 +1945,7 @@ bool QMainWindowLayout::plug(QLayoutItem *widgetItem)
                                         static_cast<QMainWindow*>(parentWidget()));
             info->tabbed = true;
             QLayout *parentLayout = currentHoveredFloat->parentWidget()->layout();
-            info->item_list.append(parentLayout->takeAt(parentLayout->indexOf(currentHoveredFloat)));
+            info->item_list.append(QDockAreaLayoutItem(parentLayout->takeAt(parentLayout->indexOf(currentHoveredFloat))));
 
             dropTo->setParent(floatingTabs);
             dropTo->show();
diff --git a/src/widgets/widgets/qtabbar_p.h b/src/widgets/widgets/qtabbar_p.h
index e6929d5b52..99b51199ed 100644
--- a/src/widgets/widgets/qtabbar_p.h
+++ b/src/widgets/widgets/qtabbar_p.h
@@ -248,7 +248,7 @@ class CloseButton : public QAbstractButton
     Q_OBJECT
 
 public:
-    CloseButton(QWidget *parent = 0);
+    explicit CloseButton(QWidget *parent = 0);
 
     QSize sizeHint() const Q_DECL_OVERRIDE;
     QSize minimumSizeHint() const Q_DECL_OVERRIDE