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-/****************************************************************************
-**
-** 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 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_WS_S60
-class CEikMenuPane;
-#define QT_SYMBIAN_FIRST_MENU_ITEM 32000
-#define QT_SYMBIAN_LAST_MENU_ITEM 41999 // 10000 items ought to be enough for anybody...
-#endif
-QT_BEGIN_NAMESPACE
-
-#ifndef QT_NO_MENU
-
-#ifdef Q_WS_S60
-void qt_symbian_next_menu_from_action(QWidget* actionContainer);
-void qt_symbian_show_toplevel(CEikMenuPane* menuPane);
-void qt_symbian_show_submenu(CEikMenuPane* menuPane, int id);
-#endif // Q_WS_S60
-
-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_WS_S60
-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),
-#ifdef QT_KEYPAD_NAVIGATION
- selectAction(0),
- cancelAction(0),
-#endif
- 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_WS_S60
- ,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_WS_S60
- delete symbian_menu;
-#endif
-
- }
- void init();
-
- static QMenuPrivate *get(QMenu *m) { return m->d_func(); }
- int scrollerHeight() const;
-
- //item calculations
- mutable uint itemsDirty : 1;
- mutable uint maxIconWidth, tabWidth;
- QRect actionRect(QAction *) const;
-
- mutable QVector<QRect> actionRects;
- mutable QHash<QAction *, QWidget *> widgetItems;
- void updateActionRects() const;
- void updateActionRects(const QRect &screen) const;
- QRect popupGeometry(const QWidget *widget) const;
- QRect popupGeometry(int screen = -1) const;
- mutable uint ncols : 4; //4 bits is probably plenty
- uint collapsibleSeparators : 1;
- QSize adjustMenuSizeForScreen(const QRect & screen);
- int getLastVisibleAction() const;
-
- bool activationRecursionGuard;
-
- //selection
- static QMenu *mouseDown;
- QPoint mousePopupPos;
- uint hasHadMouse : 1;
- uint aboutToHide : 1;
- int motions;
- QAction *currentAction;
-#ifdef QT_KEYPAD_NAVIGATION
- QAction *selectAction;
- QAction *cancelAction;
-#endif
- QBasicTimer menuDelayTimer;
- enum SelectionReason {
- SelectedFromKeyboard,
- SelectedFromElsewhere
- };
- QWidget *topCausedWidget() const;
- 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) { }
- ~QMenuScroller() { }
- } *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 int 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);
-
- void updateLayoutDirection();
-
- //menu fading/scrolling effects
- bool doChildEffects;
-
-#ifdef Q_WS_MAC
- //mac menu binding
- struct QMacMenuPrivate {
- QList<QMacMenuAction*> actionItems;
- OSMenuRef menu;
- QMacMenuPrivate();
- ~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);
- void syncSeparatorsCollapsible(bool collapsible);
- 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();
- 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();
- QAction* wceCommands(uint command);
-#endif
-#if defined(Q_WS_S60)
- 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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