Changeset 846 for trunk/src/gui/widgets/qdockwidget.cpp

Timestamp:

May 5, 2011, 5:36:53 AM (14 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/gui/widgets/qdockwidget.cpp (modified) (17 diffs)

trunk/src/gui/widgets/qdockwidget.cpp

@@ -1 +1 @@
 /****************************************************************************
 **
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
@@ -69 +69 @@
 extern QString qt_setWindowTitle_helperHelper(const QString&, const QWidget*); // qwidget.cpp
 
+// qmainwindow.cpp
+extern QMainWindowLayout *qt_mainwindow_layout(const QMainWindow *window);
+
 static inline bool hasFeature(const QDockWidgetPrivate *priv, QDockWidget::DockWidgetFeature feature)
 { return (priv->features & feature) == feature; }
@@ -691 +694 @@
     QMainWindow *win = qobject_cast<QMainWindow*>(parent);
     Q_ASSERT(win != 0);
-    QMainWindowLayout *layout = qobject_cast<QMainWindowLayout*>(win->layout());
+    QMainWindowLayout *layout = qt_mainwindow_layout(win);
     Q_ASSERT(layout != 0);
     if (layout->pluggingWidget != 0) // the main window is animating a docking operation
@@ -712 +715 @@
         return;
 
-    QMainWindowLayout *layout
-        = qobject_cast<QMainWindowLayout *>(q->parentWidget()->layout());
+    QMainWindowLayout *layout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
     Q_ASSERT(layout != 0);
 
@@ -740 +742 @@
 
     if (state->dragging) {
-        QMainWindowLayout *mwLayout =
-            qobject_cast<QMainWindowLayout *>(q->parentWidget()->layout());
+        QMainWindowLayout *mwLayout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
         Q_ASSERT(mwLayout != 0);
 
@@ -781 +782 @@
         return false;
 
-    QMainWindowLayout *mainWinLayout
-        = qobject_cast<QMainWindowLayout*>(mainWin->layout());
+    QMainWindowLayout *mainWinLayout = qt_mainwindow_layout(mainWin);
     if (mainWinLayout == 0)
         return false;
@@ -848 +848 @@
 
     QDockWidgetLayout *dwlayout
-        = qobject_cast<QDockWidgetLayout*>(layout);
-    QMainWindowLayout *mwlayout
-        = qobject_cast<QMainWindowLayout*>(q->parentWidget()->layout());
+        = qobject_cast<QDockWidgetLayout *>(layout);
+    QMainWindowLayout *mwlayout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
     if (!dwlayout->nativeWindowDeco()) {
         if (!state->dragging
@@ -944 +943 @@
 #ifdef Q_OS_MAC
             else { // workaround for lack of mouse-grab on Mac
-                QMainWindowLayout *layout
-                    = qobject_cast<QMainWindowLayout *>(q->parentWidget()->layout());
+                QMainWindowLayout *layout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
                 Q_ASSERT(layout != 0);
 
@@ -981 +979 @@
         return;
 
-    QMainWindowLayout *layout
-        = qobject_cast<QMainWindowLayout *>(q->parentWidget()->layout());
+    QMainWindowLayout *layout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
     Q_ASSERT(layout != 0);
 
@@ -1010 +1007 @@
 
     if (!floating && parent) {
-        QMainWindowLayout *mwlayout = qobject_cast<QMainWindowLayout *>(q->parentWidget()->layout());
-        if (!mwlayout || mwlayout->dockWidgetArea(q) == Qt::NoDockWidgetArea)
+        QMainWindowLayout *mwlayout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
+        if (mwlayout && mwlayout->dockWidgetArea(q) == Qt::NoDockWidgetArea)
             return; // this dockwidget can't be redocked
     }
@@ -1056 +1053 @@
         emit q->topLevelChanged(floating);
         if (!floating && parent) {
-            QMainWindowLayout *mwlayout = qobject_cast<QMainWindowLayout *>(q->parentWidget()->layout());
+            QMainWindowLayout *mwlayout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
             if (mwlayout)
                 emit q->dockLocationChanged(mwlayout->dockWidgetArea(q));
@@ -1270 +1267 @@
 
     d->setWindowState(floating, false, floating ? r : QRect());
+
     if (floating && r.isNull()) {
-        QDockWidgetLayout *layout = qobject_cast<QDockWidgetLayout*>(this->layout());
-        QRect titleArea = layout->titleArea();
-        int h = layout->verticalTitleBar ? titleArea.width() : titleArea.height();
-        QPoint p = mapToGlobal(QPoint(h, h));
-        move(p);
+        if (x() < 0 || y() < 0) //may happen if we have been hidden
+            move(QPoint());
+        setAttribute(Qt::WA_Moved, false); //we want it at the default position
     }
 }
@@ -1328 +1324 @@
         {
             QMainWindow *win = qobject_cast<QMainWindow*>(parentWidget());
-            if (QMainWindowLayout *winLayout =
-                (win ? qobject_cast<QMainWindowLayout*>(win->layout()) : 0))
+            if (QMainWindowLayout *winLayout = qt_mainwindow_layout(win)) {
                 if (QDockAreaLayoutInfo *info = winLayout->layoutState.dockAreaLayout.info(this))
                     info->updateTabBar();
+            }
         }
 #endif // QT_NO_TABBAR
@@ -1384 +1380 @@
 
     QMainWindow *win = qobject_cast<QMainWindow*>(parentWidget());
-    QMainWindowLayout *layout = 0;
-    if (win != 0)
-        layout = qobject_cast<QMainWindowLayout*>(win->layout());
+    QMainWindowLayout *layout = qt_mainwindow_layout(win);
 
     switch (event->type()) {
@@ -1538 +1532 @@
 /*!
     \since 4.3
+
     Sets an arbitrary \a widget as the dock widget's title bar. If \a widget
-    is 0, the title bar widget is removed, but not deleted.
+    is 0, any custom title bar widget previously set on the dock widget is
+    removed, but not deleted, and the default title bar will be used
+    instead.
 
     If a title bar widget is set, QDockWidget will not use native window
@@ -1547 +1544 @@
 
     \list
-    \i Mouse events that are not explicitly handled by the title bar widget
+    \o Mouse events that are not explicitly handled by the title bar widget
        must be ignored by calling QMouseEvent::ignore(). These events then
        propagate to the QDockWidget parent, which handles them in the usual
@@ -1553 +1550 @@
        when it is double-clicked, etc.
 
-    \i When DockWidgetVerticalTitleBar is set on QDockWidget, the title
+    \o When DockWidgetVerticalTitleBar is set on QDockWidget, the title
        bar widget is repositioned accordingly. In resizeEvent(), the title
        bar should check what orientation it should assume:
        \snippet doc/src/snippets/code/src_gui_widgets_qdockwidget.cpp 0
 
-    \i The title bar widget must have a valid QWidget::sizeHint() and
+    \o The title bar widget must have a valid QWidget::sizeHint() and
        QWidget::minimumSizeHint(). These functions should take into account
        the current orientation of the title bar.
+
+    \o It is not possible to remove a title bar from a dock widget. However,
+       a similar effect can be achieved by setting a default constructed
+       QWidget as the title bar widget.
     \endlist
 
-    Using qobject_cast as shown above, the title bar widget has full access
+    Using qobject_cast() as shown above, the title bar widget has full access
     to its parent QDockWidget. Hence it can perform such operations as docking
     and hiding in response to user actions.