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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /kdeui/kcmenumngr.h
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
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Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/* This file is part of the KDE libraries
+ Copyright (C) 1999 Matthias Ettrich (ettrich@kde.org)
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#ifndef KCMENUMNGR_H
+#define KCMENUMNGR_H
+
+
+class QWidget;
+class QPopupMenu;
+class KContextMenuManagerPrivate;
+#include <qobject.h>
+#include <qptrdict.h>
+#include <qkeysequence.h>
+
+#include <kdelibs_export.h>
+
+/**
+@short Convenience class to mangage context menus
+@author Matthias Ettrich <ettrich@kde.org>
+
+KContextMenuManager manages configurable context popup menus. Instead
+of reimplementing QWidget::mousePressEvent() or
+ QWidget::mouseReleaseEvent() and/or QWidget::keyPressEvent(), simply
+create the popup menu and insert it into the context menu manager with
+the static function insert().
+
+Example:
+\code
+ KContextMenuManager::insert( myWidget, myPopupMenu );
+\endcode
+
+
+Context menus are invoked with either a special shortcut key (usually
+the menu key) or the right mouse button.
+
+Menus are configurable in the [ContextMenus] group of the application's
+configuration file, usually in kdeglobals:
+\code
+ [ContextMenus]
+ ShowOnPress=true|false
+\endcode
+
+@p ShowOnPress defines whether the menu shall be shown on mouse
+press or on mouse release.
+
+The shortcut key to invoke the context menu is defined in the standard
+[Keys] section of the application configuration:
+\code
+ [Keys]
+ ...
+ PopupContextMenu=Menu
+ ...
+\endcode
+The key can be configured with the standard keys module in the KDE control center.
+
+If the popup menu is invoked with the keyboard shortcut, it's shown at
+the position of the micro focus hint of the widget ( QWidget::microFocusHint() ).
+*/
+
+class KDEUI_EXPORT KContextMenuManager : public QObject
+{
+ Q_OBJECT
+public:
+
+ /**
+ Makes @p popup a context popup menu for widget @p widget.
+
+ Ownership of the popup menu is not transferred to the context
+ menu manager.
+ */
+ static void insert( QWidget* widget, QPopupMenu* popup );
+
+ /**
+ * Use this method to get information about when a popup menu
+ * should be activated. This can be useful if the popup menu is
+ * to be activated from a listview.
+ *
+ * @return true if the menu should be made visible on a button press
+ * or false after a button press-release sequence.
+ */
+ static bool showOnButtonPress( void );
+
+private slots:
+ void widgetDestroyed();
+private:
+ KContextMenuManager( QObject* parent = 0, const char* name = 0);
+ ~KContextMenuManager();
+ bool eventFilter( QObject *, QEvent * );
+ QPtrDict<QPopupMenu> menus;
+ bool showOnPress;
+ QKeySequence menuKey;
+ static KContextMenuManager* manager;
+ friend class I_really_like_this_class; // avoid warning
+
+ KContextMenuManagerPrivate *d;
+};
+
+#endif