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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 348 insertions, 0 deletions

diff --git a/src/gui/widgets/qmdisubwindow_p.h b/src/gui/widgets/qmdisubwindow_p.h
new file mode 100644
index 0000000000..e5b9d8091f
--- /dev/null
+++ b/src/gui/widgets/qmdisubwindow_p.h
@@ -0,0 +1,348 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 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 QMDISUBWINDOW_P_H
+#define QMDISUBWINDOW_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 "qmdisubwindow.h"
+
+#ifndef QT_NO_MDIAREA
+
+#include <QStyle>
+#include <QStyleOptionTitleBar>
+#include <QMenuBar>
+#include <QSizeGrip>
+#include <QPointer>
+#include <QDebug>
+#include <private/qwidget_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QVBoxLayout;
+class QMouseEvent;
+
+namespace QMdi {
+template<typename T>
+class ControlElement : public T
+{
+public:
+    ControlElement(QMdiSubWindow *child) : T(child, 0)
+    {
+        Q_ASSERT(child);
+        mdiChild = child;
+    }
+
+    void *qt_metacast(const char *classname)
+    {
+        if (classname && strcmp(classname, "ControlElement") == 0)
+            return this;
+        return 0;
+    }
+
+    QPointer<QMdiSubWindow> mdiChild;
+};
+
+class ControlContainer : public QObject
+{
+public:
+    ControlContainer(QMdiSubWindow *mdiChild);
+    ~ControlContainer();
+
+#ifndef QT_NO_MENUBAR
+    void showButtonsInMenuBar(QMenuBar *menuBar);
+    void removeButtonsFromMenuBar(QMenuBar *menuBar = 0);
+    QMenuBar *menuBar() const { return m_menuBar; }
+#endif
+    void updateWindowIcon(const QIcon &windowIcon);
+    QWidget *controllerWidget() const { return m_controllerWidget; }
+    QWidget *systemMenuLabel() const { return m_menuLabel; }
+
+private:
+    QPointer<QWidget> previousLeft;
+    QPointer<QWidget> previousRight;
+#ifndef QT_NO_MENUBAR
+    QPointer<QMenuBar> m_menuBar;
+#endif
+    QPointer<QWidget> m_controllerWidget;
+    QPointer<QWidget> m_menuLabel;
+    QPointer<QMdiSubWindow> mdiChild;
+};
+} // namespace QMdi
+
+class QMdiSubWindowPrivate : public QWidgetPrivate
+{
+    Q_DECLARE_PUBLIC(QMdiSubWindow)
+public:
+    // Enums and typedefs.
+    enum Operation {
+        None,
+        Move,
+        TopResize,
+        BottomResize,
+        LeftResize,
+        RightResize,
+        TopLeftResize,
+        TopRightResize,
+        BottomLeftResize,
+        BottomRightResize
+    };
+
+    enum ChangeFlag {
+        HMove = 0x01,
+        VMove = 0x02,
+        HResize = 0x04,
+        VResize = 0x08,
+        HResizeReverse = 0x10,
+        VResizeReverse = 0x20
+    };
+
+    enum WindowStateAction {
+        RestoreAction,
+        MoveAction,
+        ResizeAction,
+        MinimizeAction,
+        MaximizeAction,
+        StayOnTopAction,
+        CloseAction,
+        /* Add new states _above_ this line! */
+        NumWindowStateActions
+    };
+
+    struct OperationInfo {
+        uint changeFlags;
+        Qt::CursorShape cursorShape;
+        QRegion region;
+        bool hover;
+        OperationInfo(uint changeFlags, Qt::CursorShape cursorShape, bool hover = true)
+            : changeFlags(changeFlags),
+              cursorShape(cursorShape),
+              hover(hover)
+        {}
+    };
+
+    typedef QMap<Operation, OperationInfo> OperationInfoMap;
+
+    QMdiSubWindowPrivate();
+
+    // Variables.
+    QPointer<QWidget> baseWidget;
+    QPointer<QWidget> restoreFocusWidget;
+    QPointer<QMdi::ControlContainer> controlContainer;
+#ifndef QT_NO_SIZEGRIP
+    QPointer<QSizeGrip> sizeGrip;
+#endif
+#ifndef QT_NO_RUBBERBAND
+    QRubberBand *rubberBand;
+#endif
+    QPoint mousePressPosition;
+    QRect oldGeometry;
+    QSize internalMinimumSize;
+    QSize userMinimumSize;
+    QSize restoreSize;
+    bool resizeEnabled;
+    bool moveEnabled;
+    bool isInInteractiveMode;
+#ifndef QT_NO_RUBBERBAND
+    bool isInRubberBandMode;
+#endif
+    bool isShadeMode;
+    bool ignoreWindowTitleChange;
+    bool ignoreNextActivationEvent;
+    bool activationEnabled;
+    bool isShadeRequestFromMinimizeMode;
+    bool isMaximizeMode;
+    bool isWidgetHiddenByUs;
+    bool isActive;
+    bool isExplicitlyDeactivated;
+    int keyboardSingleStep;
+    int keyboardPageStep;
+    int resizeTimerId;
+    Operation currentOperation;
+    QStyle::SubControl hoveredSubControl;
+    QStyle::SubControl activeSubControl;
+    Qt::FocusReason focusInReason;
+    OperationInfoMap operationMap;
+    QPointer<QMenu> systemMenu;
+#ifndef QT_NO_ACTIONS
+    QPointer<QAction> actions[NumWindowStateActions];
+#endif
+    QMdiSubWindow::SubWindowOptions options;
+    QString lastChildWindowTitle;
+    QPalette titleBarPalette;
+    QString windowTitle;
+    QFont font;
+    QIcon menuIcon;
+    QStyleOptionTitleBar cachedStyleOptions;
+    QString originalTitle;
+
+    // Slots.
+    void _q_updateStaysOnTopHint();
+    void _q_enterInteractiveMode();
+    void _q_processFocusChanged(QWidget *old, QWidget *now);
+
+    // Functions.
+    void leaveInteractiveMode();
+    void removeBaseWidget();
+    void initOperationMap();
+#ifndef QT_NO_MENU
+    void createSystemMenu();
+#endif
+    void updateCursor();
+    void updateDirtyRegions();
+    void updateGeometryConstraints();
+    void updateMask();
+    void setNewGeometry(const QPoint &pos);
+    void setMinimizeMode();
+    void setNormalMode();
+    void setMaximizeMode();
+    void setActive(bool activate, bool changeFocus = true);
+    void processClickedSubControl();
+    QRegion getRegion(Operation operation) const;
+    Operation getOperation(const QPoint &pos) const;
+    QStyleOptionTitleBar titleBarOptions() const;
+    void ensureWindowState(Qt::WindowState state);
+    int titleBarHeight(const QStyleOptionTitleBar &options) const;
+    void sizeParameters(int *margin, int *minWidth) const;
+    bool drawTitleBarWhenMaximized() const;
+#ifndef QT_NO_MENUBAR
+    QMenuBar *menuBar() const;
+    void showButtonsInMenuBar(QMenuBar *menuBar);
+    void removeButtonsFromMenuBar();
+#endif
+    void updateWindowTitle(bool requestFromChild);
+#ifndef QT_NO_RUBBERBAND
+    void enterRubberBandMode();
+    void leaveRubberBandMode();
+#endif
+    QPalette desktopPalette() const;
+    void updateActions();
+    void setFocusWidget();
+    void restoreFocus();
+    void setWindowFlags(Qt::WindowFlags windowFlags);
+    void setVisible(WindowStateAction, bool visible = true);
+#ifndef QT_NO_ACTION
+    void setEnabled(WindowStateAction, bool enable = true);
+#ifndef QT_NO_MENU
+    void addToSystemMenu(WindowStateAction, const QString &text, const char *slot);
+#endif
+#endif // QT_NO_ACTION
+    QSize iconSize() const;
+#ifndef QT_NO_SIZEGRIP
+    void setSizeGrip(QSizeGrip *sizeGrip);
+    void setSizeGripVisible(bool visible = true) const;
+#endif
+    void updateInternalWindowTitle();
+    QString originalWindowTitle();
+    void setNewWindowTitle();
+
+    inline int titleBarHeight() const
+    {
+        Q_Q(const QMdiSubWindow);
+        if (!parent || q->windowFlags() & Qt::FramelessWindowHint
+            || (q->isMaximized() && !drawTitleBarWhenMaximized())) {
+            return 0;
+        }
+        QStyleOptionTitleBar options = titleBarOptions();
+        int height = options.rect.height();
+        if (hasBorder(options))
+            height += q->isMinimized() ? 8 : 4;
+        return height;
+    }
+
+    inline QStyle::SubControl getSubControl(const QPoint &pos) const
+    {
+        Q_Q(const QMdiSubWindow);
+        QStyleOptionTitleBar titleBarOptions = this->titleBarOptions();
+        return q->style()->hitTestComplexControl(QStyle::CC_TitleBar, &titleBarOptions, pos, q);
+    }
+
+    inline void setNewGeometry(QRect *geometry)
+    {
+        Q_Q(QMdiSubWindow);
+        Q_ASSERT(parent);
+        geometry->setSize(geometry->size().expandedTo(internalMinimumSize));
+#ifndef QT_NO_RUBBERBAND
+        if (isInRubberBandMode)
+            rubberBand->setGeometry(*geometry);
+        else
+#endif
+            q->setGeometry(*geometry);
+    }
+
+    inline bool hasBorder(const QStyleOptionTitleBar &options) const
+    {
+        Q_Q(const QMdiSubWindow);
+        return !q->style()->styleHint(QStyle::SH_TitleBar_NoBorder, &options, q);
+    }
+
+    inline bool autoRaise() const
+    {
+        Q_Q(const QMdiSubWindow);
+        return q->style()->styleHint(QStyle::SH_TitleBar_AutoRaise, 0, q);
+    }
+
+    inline bool isResizeOperation() const
+    {
+        return currentOperation != None && currentOperation != Move;
+    }
+
+    inline bool isMoveOperation() const
+    {
+        return currentOperation == Move;
+    }
+};
+
+#endif // QT_NO_MDIAREA
+
+QT_END_NAMESPACE
+
+#endif // QMDISUBWINDOW_P_H