src/gui/widgets/qdockwidget_p.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/widgets/qdockwidget_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,207 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDYNAMICDOCKWIDGET_P_H
+#define QDYNAMICDOCKWIDGET_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtGui/qstyleoption.h"
+#include "private/qwidget_p.h"
+#include "QtGui/qboxlayout.h"
+#include "QtGui/qdockwidget.h"
+
+#ifndef QT_NO_DOCKWIDGET
+
+QT_BEGIN_NAMESPACE
+
+class QGridLayout;
+class QWidgetResizeHandler;
+class QRubberBand;
+class QDockWidgetTitleButton;
+class QSpacerItem;
+class QDockWidgetItem;
+
+class QDockWidgetPrivate : public QWidgetPrivate
+{
+    Q_DECLARE_PUBLIC(QDockWidget)
+
+    struct DragState {
+        QPoint pressPos;
+        bool dragging;
+        QLayoutItem *widgetItem;
+        bool ownWidgetItem;
+        bool nca;
+        bool ctrlDrag;
+    };
+
+public:
+    inline QDockWidgetPrivate()
+	: QWidgetPrivate(), state(0),
+          features(QDockWidget::DockWidgetClosable
+                   | QDockWidget::DockWidgetMovable
+                   | QDockWidget::DockWidgetFloatable),
+          allowedAreas(Qt::AllDockWidgetAreas)
+    { }
+
+    void init();
+    void _q_toggleView(bool); // private slot
+    void _q_toggleTopLevel(); // private slot
+
+    void updateButtons();
+    DragState *state;
+
+    QDockWidget::DockWidgetFeatures features;
+    Qt::DockWidgetAreas allowedAreas;
+
+    QWidgetResizeHandler *resizer;
+
+#ifndef QT_NO_ACTION
+    QAction *toggleViewAction;
+#endif
+
+//    QMainWindow *findMainWindow(QWidget *widget) const;
+    QRect undockedGeometry;
+    QString fixedWindowTitle;
+
+    bool mousePressEvent(QMouseEvent *event);
+    bool mouseDoubleClickEvent(QMouseEvent *event);
+    bool mouseMoveEvent(QMouseEvent *event);
+    bool mouseReleaseEvent(QMouseEvent *event);
+    void setWindowState(bool floating, bool unplug = false, const QRect &rect = QRect());
+    void nonClientAreaMouseEvent(QMouseEvent *event);
+    void initDrag(const QPoint &pos, bool nca);
+    void startDrag();
+    void endDrag(bool abort = false);
+    void moveEvent(QMoveEvent *event);
+
+    void unplug(const QRect &rect);
+    void plug(const QRect &rect);
+
+    bool isAnimating() const;
+};
+
+class Q_GUI_EXPORT QDockWidgetLayout : public QLayout
+{
+    Q_OBJECT
+public:
+    QDockWidgetLayout(QWidget *parent = 0);
+    ~QDockWidgetLayout();
+    void addItem(QLayoutItem *item);
+    QLayoutItem *itemAt(int index) const;
+    QLayoutItem *takeAt(int index);
+    int count() const;
+
+    QSize maximumSize() const;
+    QSize minimumSize() const;
+    QSize sizeHint() const;
+
+    QSize sizeFromContent(const QSize &content, bool floating) const;
+
+    void setGeometry(const QRect &r);
+
+    enum Role { Content, CloseButton, FloatButton, TitleBar, RoleCount };
+    QWidget *widgetForRole(Role r) const;
+    void setWidgetForRole(Role r, QWidget *w);
+    QLayoutItem *itemForRole(Role r) const;
+
+    QRect titleArea() const { return _titleArea; }
+
+    int minimumTitleWidth() const;
+    int titleHeight() const;
+    void updateMaxSize();
+    bool nativeWindowDeco() const;
+    bool nativeWindowDeco(bool floating) const;
+
+    void setVerticalTitleBar(bool b);
+
+    bool verticalTitleBar;
+
+private:
+    QVector<QLayoutItem*> item_list;
+    QRect _titleArea;
+};
+
+/* The size hints of a QDockWidget will depend on wether it is docked or not.
+   This layout item always returns the size hints as if the dock widget was docked. */
+
+class QDockWidgetItem : public QWidgetItem
+{
+public:
+    QDockWidgetItem(QDockWidget *dockWidget);
+    QSize minimumSize() const;
+    QSize maximumSize() const;
+    QSize sizeHint() const;
+
+private:
+    inline QLayoutItem *dockWidgetChildItem() const;
+    inline QDockWidgetLayout *dockWidgetLayout() const;
+};
+
+inline QLayoutItem *QDockWidgetItem::dockWidgetChildItem() const
+{
+    if (QDockWidgetLayout *layout = dockWidgetLayout())
+        return layout->itemForRole(QDockWidgetLayout::Content);
+    return 0;
+}
+
+inline QDockWidgetLayout *QDockWidgetItem::dockWidgetLayout() const
+{
+    QWidget *w = const_cast<QDockWidgetItem*>(this)->widget();
+    if (w != 0)
+        return qobject_cast<QDockWidgetLayout*>(w->layout());
+    return 0;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_DOCKWIDGET
+
+#endif // QDYNAMICDOCKWIDGET_P_H