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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.
*
*/
#include <qwidget.h>
#include <qpopupmenu.h>
#include "kcmenumngr.h"
#include "kglobal.h"
#include "kconfig.h"
#include "kshortcut.h"
#undef KeyPress
#undef None
template class QPtrDict<QPopupMenu>;
KContextMenuManager* KContextMenuManager::manager = 0;
KContextMenuManager::KContextMenuManager( QObject* parent, const char* name )
: QObject( parent, name)
{
KConfigGroupSaver saver ( KGlobal::config(), QString::fromLatin1("Shortcuts") ) ;
menuKey = KShortcut( saver.config()->readEntry(QString::fromLatin1("PopupContextMenu"), QString::fromLatin1("Menu") ) ).keyCodeQt();
saver.config()->setGroup( QString::fromLatin1("ContextMenus") ) ;
showOnPress = saver.config()->readBoolEntry(QString::fromLatin1("ShowOnPress"), true );
}
KContextMenuManager::~KContextMenuManager()
{
}
bool KContextMenuManager::showOnButtonPress( void )
{
if ( !manager )
manager = new KContextMenuManager;
return manager->showOnPress;
}
void KContextMenuManager::insert( QWidget* widget, QPopupMenu* popup )
{
if ( !manager )
manager = new KContextMenuManager;
manager->connect( widget, SIGNAL( destroyed() ), manager, SLOT( widgetDestroyed() ) );
manager->menus.insert( widget, popup );
widget->installEventFilter( manager );
}
bool KContextMenuManager::eventFilter( QObject *o, QEvent * e)
{
QPopupMenu* popup = 0;
QPoint pos;
switch ( e->type() ) {
case QEvent::MouseButtonPress:
if (((QMouseEvent*) e )->button() != RightButton )
break;
if ( !showOnPress )
return true; // eat event for safety
popup = menus[o];
pos = ((QMouseEvent*) e )->globalPos();
break;
case QEvent::MouseButtonRelease:
if ( showOnPress || ((QMouseEvent*) e )->button() != RightButton )
break;
popup = menus[o];
pos = ((QMouseEvent*) e )->globalPos();
break;
case QEvent::KeyPress:
{
if ( !o->isWidgetType() )
break;
QKeyEvent *k = (QKeyEvent *)e;
int key = k->key();
if ( k->state() & ShiftButton )
key |= SHIFT;
if ( k->state() & ControlButton )
key |= CTRL;
if ( k->state() & AltButton )
key |= ALT;
if ( key != menuKey )
break;
popup = menus[o];
if ( popup ) {
QWidget* w = (QWidget*) o ;
// ### workaround
pos = w->mapToGlobal( w->rect().center() );
// with later Qt snapshot
// pos = w->mapToGlobal( w->microFocusHint().center() );
}
}
break;
default:
break;
}
if ( popup ) {
popup->popup( pos );
return true;
}
return false;
}
void KContextMenuManager::widgetDestroyed()
{
if ( menus.find( (QObject*)sender() ) )
menus.remove( (QObject*)sender() );
}
#include "kcmenumngr.moc"
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