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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMENU_P_H
#define QMENU_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/qmenubar.h"
#include "QtGui/qstyleoption.h"
#include "QtCore/qdatetime.h"
#include "QtCore/qmap.h"
#include "QtCore/qhash.h"
#include "QtCore/qbasictimer.h"
#include "private/qwidget_p.h"
#ifdef Q_OS_SYMBIAN
class CEikMenuPane;
#endif
QT_BEGIN_NAMESPACE
#ifndef QT_NO_MENU
class QTornOffMenu;
class QEventLoop;
#ifdef Q_WS_MAC
# ifdef __OBJC__
QT_END_NAMESPACE
@class NSMenuItem;
QT_BEGIN_NAMESPACE
# else
typedef void NSMenuItem;
# endif //__OBJC__
struct QMacMenuAction {
QMacMenuAction()
#ifndef QT_MAC_USE_COCOA
: command(0)
#else
: menuItem(0)
#endif
, ignore_accel(0), merged(0), menu(0)
{
}
~QMacMenuAction();
#ifndef QT_MAC_USE_COCOA
uint command;
#else
NSMenuItem *menuItem;
#endif
uchar ignore_accel : 1;
uchar merged : 1;
QPointer<QAction> action;
OSMenuRef menu;
};
struct QMenuMergeItem
{
#ifndef QT_MAC_USE_COCOA
inline QMenuMergeItem(MenuCommand c, QMacMenuAction *a) : command(c), action(a) { }
MenuCommand command;
#else
inline QMenuMergeItem(NSMenuItem *c, QMacMenuAction *a) : menuItem(c), action(a) { }
NSMenuItem *menuItem;
#endif
QMacMenuAction *action;
};
typedef QList<QMenuMergeItem> QMenuMergeList;
#endif
#ifdef Q_WS_WINCE
struct QWceMenuAction {
uint command;
QPointer<QAction> action;
HMENU menuHandle;
QWceMenuAction() : menuHandle(0), command(0) {}
};
#endif
#ifdef Q_OS_SYMBIAN
struct QSymbianMenuAction {
uint command;
int parent;
CEikMenuPane* menuPane;
QPointer<QAction> action;
QSymbianMenuAction() : command(0) {}
};
#endif
class QMenuPrivate : public QWidgetPrivate
{
Q_DECLARE_PUBLIC(QMenu)
public:
QMenuPrivate() : itemsDirty(0), maxIconWidth(0), tabWidth(0), ncols(0),
collapsibleSeparators(true), activationRecursionGuard(false), hasHadMouse(0), aboutToHide(0), motions(0),
currentAction(0), scroll(0), eventLoop(0), tearoff(0), tornoff(0), tearoffHighlighted(0),
hasCheckableItems(0), sloppyAction(0), doChildEffects(false)
#ifdef Q_WS_MAC
,mac_menu(0)
#endif
#if defined(Q_WS_WINCE) && !defined(QT_NO_MENUBAR)
,wce_menu(0)
#endif
#ifdef Q_OS_SYMBIAN
,symbian_menu(0)
#endif
#ifdef QT3_SUPPORT
,emitHighlighted(false)
#endif
{ }
~QMenuPrivate()
{
delete scroll;
#ifdef Q_WS_MAC
delete mac_menu;
#endif
#if defined(Q_WS_WINCE) && !defined(QT_NO_MENUBAR)
delete wce_menu;
#endif
#ifdef Q_OS_SYMBIAN
delete symbian_menu;
#endif
}
void init();
//item calculations
mutable uint itemsDirty : 1;
mutable uint maxIconWidth, tabWidth;
QRect actionRect(QAction *) const;
mutable QVector<QRect> actionRects;
mutable QWidgetList widgetItems;
void updateActionRects() const;
QRect popupGeometry(int screen=-1) const;
mutable uint ncols : 4; //4 bits is probably plenty
uint collapsibleSeparators : 1;
uint activationRecursionGuard : 1;
//selection
static QPointer<QMenu> mouseDown;
QPoint mousePopupPos;
uint hasHadMouse : 1;
uint aboutToHide : 1;
int motions;
QAction *currentAction;
static QBasicTimer menuDelayTimer;
enum SelectionReason {
SelectedFromKeyboard,
SelectedFromElsewhere
};
QAction *actionAt(QPoint p) const;
void setFirstActionActive();
void setCurrentAction(QAction *, int popup = -1, SelectionReason reason = SelectedFromElsewhere, bool activateFirst = false);
void popupAction(QAction *, int, bool);
void setSyncAction();
//scrolling support
struct QMenuScroller {
enum ScrollLocation { ScrollStay, ScrollBottom, ScrollTop, ScrollCenter };
enum ScrollDirection { ScrollNone=0, ScrollUp=0x01, ScrollDown=0x02 };
uint scrollFlags : 2, scrollDirection : 2;
int scrollOffset;
QBasicTimer *scrollTimer;
QMenuScroller() : scrollFlags(ScrollNone), scrollDirection(ScrollNone), scrollOffset(0), scrollTimer(0) { }
~QMenuScroller() { delete scrollTimer; }
} *scroll;
void scrollMenu(QMenuScroller::ScrollLocation location, bool active=false);
void scrollMenu(QMenuScroller::ScrollDirection direction, bool page=false, bool active=false);
void scrollMenu(QAction *action, QMenuScroller::ScrollLocation location, bool active=false);
//synchronous operation (ie exec())
QEventLoop *eventLoop;
QPointer<QAction> syncAction;
//search buffer
QString searchBuffer;
QBasicTimer searchBufferTimer;
//passing of mouse events up the parent hierarchy
QPointer<QMenu> activeMenu;
bool mouseEventTaken(QMouseEvent *);
//used to walk up the popup list
struct QMenuCaused {
QPointer<QWidget> widget;
QPointer<QAction> action;
};
virtual QList<QPointer<QWidget> > calcCausedStack() const;
QMenuCaused causedPopup;
void hideUpToMenuBar();
void hideMenu(QMenu *menu, bool justRegister = false);
//index mappings
inline QAction *actionAt(int i) const { return q_func()->actions().at(i); }
inline int indexOf(QAction *act) const { return q_func()->actions().indexOf(act); }
//tear off support
uint tearoff : 1, tornoff : 1, tearoffHighlighted : 1;
QPointer<QTornOffMenu> tornPopup;
mutable bool hasCheckableItems;
//sloppy selection
static QBasicTimer sloppyDelayTimer;
mutable QAction *sloppyAction;
QRegion sloppyRegion;
//default action
QPointer<QAction> defaultAction;
QAction *menuAction;
QAction *defaultMenuAction;
void setOverrideMenuAction(QAction *);
void _q_overrideMenuActionDestroyed();
//firing of events
void activateAction(QAction *, QAction::ActionEvent, bool self=true);
void activateCausedStack(const QList<QPointer<QWidget> > &, QAction *, QAction::ActionEvent, bool);
void _q_actionTriggered();
void _q_actionHovered();
bool hasMouseMoved(const QPoint &globalPos);
//menu fading/scrolling effects
bool doChildEffects;
#ifdef Q_WS_MAC
//mac menu binding
struct QMacMenuPrivate {
QList<QMacMenuAction*> actionItems;
OSMenuRef menu;
QMenuPrivate *qmenu;
QMacMenuPrivate(QMenuPrivate *menu);
~QMacMenuPrivate();
bool merged(const QAction *action) const;
void addAction(QAction *, QMacMenuAction* =0, QMenuPrivate *qmenu = 0);
void addAction(QMacMenuAction *, QMacMenuAction* =0, QMenuPrivate *qmenu = 0);
void syncAction(QMacMenuAction *);
inline void syncAction(QAction *a) { syncAction(findAction(a)); }
void removeAction(QMacMenuAction *);
inline void removeAction(QAction *a) { removeAction(findAction(a)); }
inline QMacMenuAction *findAction(QAction *a) {
for(int i = 0; i < actionItems.size(); i++) {
QMacMenuAction *act = actionItems[i];
if(a == act->action)
return act;
}
return 0;
}
} *mac_menu;
OSMenuRef macMenu(OSMenuRef merge);
void setMacMenuEnabled(bool enable = true);
static QHash<OSMenuRef, OSMenuRef> mergeMenuHash;
static QHash<OSMenuRef, QMenuMergeList*> mergeMenuItemsHash;
#endif
QPointer<QAction> actionAboutToTrigger;
#ifdef QT3_SUPPORT
bool emitHighlighted;
#endif
#if defined(Q_WS_WINCE) && !defined(QT_NO_MENUBAR)
struct QWceMenuPrivate {
QList<QWceMenuAction*> actionItems;
HMENU menuHandle;
QWceMenuPrivate();
~QWceMenuPrivate();
void addAction(QAction *, QWceMenuAction* =0);
void addAction(QWceMenuAction *, QWceMenuAction* =0);
void syncAction(QWceMenuAction *);
inline void syncAction(QAction *a) { syncAction(findAction(a)); }
void removeAction(QWceMenuAction *);
void rebuild(bool reCreate = false);
inline void removeAction(QAction *a) { removeAction(findAction(a)); }
inline QWceMenuAction *findAction(QAction *a) {
for(int i = 0; i < actionItems.size(); i++) {
QWceMenuAction *act = actionItems[i];
if(a == act->action)
return act;
}
return 0;
}
} *wce_menu;
HMENU wceMenu(bool create = false);
QAction* wceCommands(uint command);
#endif
#if defined(Q_OS_SYMBIAN)
struct QSymbianMenuPrivate {
QList<QSymbianMenuAction*> actionItems;
QSymbianMenuPrivate();
~QSymbianMenuPrivate();
void addAction(QAction *, QSymbianMenuAction* =0);
void addAction(QSymbianMenuAction *, QSymbianMenuAction* =0);
void syncAction(QSymbianMenuAction *);
inline void syncAction(QAction *a) { syncAction(findAction(a)); }
void removeAction(QSymbianMenuAction *);
void rebuild(bool reCreate = false);
inline void removeAction(QAction *a) { removeAction(findAction(a)); }
inline QSymbianMenuAction *findAction(QAction *a) {
for(int i = 0; i < actionItems.size(); i++) {
QSymbianMenuAction *act = actionItems[i];
if(a == act->action)
return act;
}
return 0;
}
} *symbian_menu;
#endif
QPointer<QWidget> noReplayFor;
};
#endif // QT_NO_MENU
QT_END_NAMESPACE
#endif // QMENU_P_H
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