--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/widgets/qdockarealayout_p.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,304 @@
+/****************************************************************************
+**
+** 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 QDOCKAREALAYOUT_P_H
+#define QDOCKAREALAYOUT_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 "QtCore/qrect.h"
+#include "QtCore/qpair.h"
+#include "QtCore/qlist.h"
+#include "QtCore/qvector.h"
+#include "QtGui/qlayout.h"
+
+#ifndef QT_NO_DOCKWIDGET
+
+QT_BEGIN_NAMESPACE
+
+class QLayoutItem;
+class QWidget;
+class QLayoutItem;
+class QDockAreaLayoutInfo;
+class QPlaceHolderItem;
+class QDockWidget;
+class QMainWindow;
+class QWidgetAnimator;
+class QMainWindowLayout;
+struct QLayoutStruct;
+class QTabBar;
+
+// The classes in this file represent the tree structure that represents all the docks
+// Also see the wiki internal documentation
+// At the root of the tree is: QDockAreaLayout, which handles all 4 sides, so there is only one.
+// For each side it has one QDockAreaLayoutInfo child. (See QDockAreaLayout::docks.)
+// The QDockAreaLayoutInfo have QDockAreaLayoutItems as children (See QDockAreaLayoutInfo::item_list),
+// which then has one QDockAreaLayoutInfo as a child. (QDockAreaLayoutItem::subInfo) or
+// a widgetItem if this is a node of the tree (QDockAreaLayoutItem::widgetItem)
+//
+// A path indetifies uniquely one object in this tree, the first number beeing the side and all the following
+// indexes into the QDockAreaLayoutInfo::item_list.
+
+struct QDockAreaLayoutItem
+{
+ enum ItemFlags { NoFlags = 0, GapItem = 1, KeepSize = 2 };
+
+ QDockAreaLayoutItem(QLayoutItem *_widgetItem = 0);
+ QDockAreaLayoutItem(QDockAreaLayoutInfo *_subinfo);
+ QDockAreaLayoutItem(QPlaceHolderItem *_placeHolderItem);
+ QDockAreaLayoutItem(const QDockAreaLayoutItem &other);
+ ~QDockAreaLayoutItem();
+
+ QDockAreaLayoutItem &operator = (const QDockAreaLayoutItem &other);
+
+ bool skip() const;
+ QSize minimumSize() const;
+ QSize maximumSize() const;
+ QSize sizeHint() const;
+ bool expansive(Qt::Orientation o) const;
+ bool hasFixedSize(Qt::Orientation o) const;
+
+ QLayoutItem *widgetItem;
+ QDockAreaLayoutInfo *subinfo;
+ QPlaceHolderItem *placeHolderItem;
+ int pos;
+ int size;
+ uint flags;
+};
+
+class Q_AUTOTEST_EXPORT QPlaceHolderItem
+{
+public:
+ QPlaceHolderItem() : hidden(false), window(false) {}
+ QPlaceHolderItem(QWidget *w);
+
+ QString objectName;
+ bool hidden, window;
+ QRect topLevelRect;
+};
+
+class Q_AUTOTEST_EXPORT QDockAreaLayoutInfo
+{
+public:
+ QDockAreaLayoutInfo();
+ QDockAreaLayoutInfo(int _sep, QInternal::DockPosition _dockPos, Qt::Orientation _o,
+ int tbhape, QMainWindow *window);
+
+ QSize minimumSize() const;
+ QSize maximumSize() const;
+ QSize sizeHint() const;
+ QSize size() const;
+
+ bool insertGap(const QList<int> &path, QLayoutItem *dockWidgetItem);
+ QLayoutItem *plug(const QList<int> &path);
+ QLayoutItem *unplug(const QList<int> &path);
+ enum TabMode { NoTabs, AllowTabs, ForceTabs };
+ QList<int> gapIndex(const QPoint &pos, bool nestingEnabled,
+ TabMode tabMode) const;
+ void remove(const QList<int> &path);
+ void unnest(int index);
+ void split(int index, Qt::Orientation orientation, QLayoutItem *dockWidgetItem);
+ void tab(int index, QLayoutItem *dockWidgetItem);
+ QDockAreaLayoutItem &item(const QList<int> &path);
+ QDockAreaLayoutInfo *info(const QList<int> &path);
+ QDockAreaLayoutInfo *info(QWidget *widget);
+
+ enum { // sentinel values used to validate state data
+ SequenceMarker = 0xfc,
+ TabMarker = 0xfa,
+ WidgetMarker = 0xfb
+ };
+ void saveState(QDataStream &stream) const;
+ bool restoreState(QDataStream &stream, QList<QDockWidget*> &widgets, bool testing);
+
+ void fitItems();
+ bool expansive(Qt::Orientation o) const;
+ int changeSize(int index, int size, bool below);
+ QRect itemRect(int index) const;
+ QRect itemRect(const QList<int> &path) const;
+ QRect separatorRect(int index) const;
+ QRect separatorRect(const QList<int> &path) const;
+
+ void clear();
+ bool isEmpty() const;
+ bool hasFixedSize() const;
+ QList<int> findSeparator(const QPoint &pos) const;
+ int next(int idx) const;
+ int prev(int idx) const;
+
+ QList<int> indexOf(QWidget *widget) const;
+ QList<int> indexOfPlaceHolder(const QString &objectName) const;
+
+ void apply(bool animate);
+
+ void paintSeparators(QPainter *p, QWidget *widget, const QRegion &clip,
+ const QPoint &mouse) const;
+ QRegion separatorRegion() const;
+ int separatorMove(int index, int delta);
+
+ QLayoutItem *itemAt(int *x, int index) const;
+ QLayoutItem *takeAt(int *x, int index);
+ void deleteAllLayoutItems();
+
+ QMainWindowLayout *mainWindowLayout() const;
+
+ int sep;
+ mutable QVector<QWidget*> separatorWidgets;
+ QInternal::DockPosition dockPos;
+ Qt::Orientation o;
+ QRect rect;
+ QMainWindow *mainWindow;
+ QList<QDockAreaLayoutItem> item_list;
+
+ void updateSeparatorWidgets() const;
+ QSet<QWidget*> usedSeparatorWidgets() const;
+
+#ifndef QT_NO_TABBAR
+ quintptr currentTabId() const;
+ void setCurrentTab(QWidget *widget);
+ void setCurrentTabId(quintptr id);
+ QRect tabContentRect() const;
+ bool tabbed;
+ QTabBar *tabBar;
+ QSize tabBarMin, tabBarHint;
+ int tabBarShape;
+ bool tabBarVisible;
+
+ void updateTabBar() const;
+ void setTabBarShape(int shape);
+ QSize tabBarMinimumSize() const;
+ QSize tabBarSizeHint() const;
+
+ QSet<QTabBar*> usedTabBars() const;
+#endif // QT_NO_TABBAR
+};
+
+class Q_AUTOTEST_EXPORT QDockAreaLayout
+{
+public:
+ enum { EmptyDropAreaSize = 80 }; // when a dock area is empty, how "wide" is it?
+
+ Qt::DockWidgetArea corners[4]; // use a Qt::Corner for indexing
+ QRect rect;
+ QLayoutItem *centralWidgetItem;
+ QMainWindow *mainWindow;
+ QRect centralWidgetRect;
+ QDockAreaLayout(QMainWindow *win);
+ QDockAreaLayoutInfo docks[4];
+ int sep; // separator extent
+ mutable QVector<QWidget*> separatorWidgets;
+
+ bool isValid() const;
+
+ enum { DockWidgetStateMarker = 0xfd };
+ void saveState(QDataStream &stream) const;
+ bool restoreState(QDataStream &stream, const QList<QDockWidget*> &widgets, bool testing = false);
+
+ QList<int> indexOfPlaceHolder(const QString &objectName) const;
+ QList<int> indexOf(QWidget *dockWidget) const;
+ QList<int> gapIndex(const QPoint &pos) const;
+ QList<int> findSeparator(const QPoint &pos) const;
+
+ QDockAreaLayoutItem &item(const QList<int> &path);
+ QDockAreaLayoutInfo *info(const QList<int> &path);
+ const QDockAreaLayoutInfo *info(const QList<int> &path) const;
+ QDockAreaLayoutInfo *info(QWidget *widget);
+ QRect itemRect(const QList<int> &path) const;
+ QRect separatorRect(int index) const;
+ QRect separatorRect(const QList<int> &path) const;
+
+ bool insertGap(const QList<int> &path, QLayoutItem *dockWidgetItem);
+ QLayoutItem *plug(const QList<int> &path);
+ QLayoutItem *unplug(const QList<int> &path);
+ void remove(const QList<int> &path);
+
+ void fitLayout();
+
+ void clear();
+
+ QSize sizeHint() const;
+ QSize minimumSize() const;
+
+ void addDockWidget(QInternal::DockPosition pos, QDockWidget *dockWidget, Qt::Orientation orientation);
+ bool restoreDockWidget(QDockWidget *dockWidget);
+ void splitDockWidget(QDockWidget *after, QDockWidget *dockWidget,
+ Qt::Orientation orientation);
+ void tabifyDockWidget(QDockWidget *first, QDockWidget *second);
+
+ void apply(bool animate);
+
+ void paintSeparators(QPainter *p, QWidget *widget, const QRegion &clip,
+ const QPoint &mouse) const;
+ QRegion separatorRegion() const;
+ int separatorMove(const QList<int> &separator, const QPoint &origin, const QPoint &dest);
+ void updateSeparatorWidgets() const;
+
+ QLayoutItem *itemAt(int *x, int index) const;
+ QLayoutItem *takeAt(int *x, int index);
+ void deleteAllLayoutItems();
+
+ void getGrid(QVector<QLayoutStruct> *ver_struct_list,
+ QVector<QLayoutStruct> *hor_struct_list);
+ void setGrid(QVector<QLayoutStruct> *ver_struct_list,
+ QVector<QLayoutStruct> *hor_struct_list);
+
+ QRect gapRect(const QList<int> &path) const;
+
+ void keepSize(QDockWidget *w);
+
+ QSet<QTabBar*> usedTabBars() const;
+ QSet<QWidget*> usedSeparatorWidgets() const;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_QDOCKWIDGET
+
+#endif // QDOCKAREALAYOUT_P_H