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130 lines
3.5 KiB
130 lines
3.5 KiB
15 years ago
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/*
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* This file is part of the KDE Libraries
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* Copyright (C) 1999 Matthias Ettrich <ettrich@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include <qwidget.h>
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#include <qpopupmenu.h>
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#include "kcmenumngr.h"
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#include "kglobal.h"
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#include "kconfig.h"
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#include "kshortcut.h"
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#undef KeyPress
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#undef None
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template class QPtrDict<QPopupMenu>;
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KContextMenuManager* KContextMenuManager::manager = 0;
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KContextMenuManager::KContextMenuManager( QObject* parent, const char* name )
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: QObject( parent, name)
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{
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KConfigGroupSaver saver ( KGlobal::config(), QString::fromLatin1("Shortcuts") ) ;
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menuKey = KShortcut( saver.config()->readEntry(QString::fromLatin1("PopupContextMenu"), QString::fromLatin1("Menu") ) ).keyCodeQt();
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saver.config()->setGroup( QString::fromLatin1("ContextMenus") ) ;
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showOnPress = saver.config()->readBoolEntry(QString::fromLatin1("ShowOnPress"), true );
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}
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KContextMenuManager::~KContextMenuManager()
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{
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}
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bool KContextMenuManager::showOnButtonPress( void )
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{
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if ( !manager )
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manager = new KContextMenuManager;
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return manager->showOnPress;
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}
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void KContextMenuManager::insert( QWidget* widget, QPopupMenu* popup )
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{
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if ( !manager )
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manager = new KContextMenuManager;
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manager->connect( widget, SIGNAL( destroyed() ), manager, SLOT( widgetDestroyed() ) );
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manager->menus.insert( widget, popup );
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widget->installEventFilter( manager );
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}
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bool KContextMenuManager::eventFilter( QObject *o, QEvent * e)
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{
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QPopupMenu* popup = 0;
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QPoint pos;
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switch ( e->type() ) {
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case QEvent::MouseButtonPress:
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if (((QMouseEvent*) e )->button() != RightButton )
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break;
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if ( !showOnPress )
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return true; // eat event for safety
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popup = menus[o];
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pos = ((QMouseEvent*) e )->globalPos();
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break;
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case QEvent::MouseButtonRelease:
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if ( showOnPress || ((QMouseEvent*) e )->button() != RightButton )
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break;
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popup = menus[o];
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pos = ((QMouseEvent*) e )->globalPos();
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break;
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case QEvent::KeyPress:
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{
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if ( !o->isWidgetType() )
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break;
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QKeyEvent *k = (QKeyEvent *)e;
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int key = k->key();
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if ( k->state() & ShiftButton )
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key |= SHIFT;
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if ( k->state() & ControlButton )
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key |= CTRL;
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if ( k->state() & AltButton )
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key |= ALT;
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if ( key != menuKey )
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break;
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popup = menus[o];
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if ( popup ) {
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QWidget* w = (QWidget*) o ;
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// ### workaround
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pos = w->mapToGlobal( w->rect().center() );
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// with later Qt snapshot
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// pos = w->mapToGlobal( w->microFocusHint().center() );
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}
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}
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break;
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default:
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break;
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}
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if ( popup ) {
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popup->popup( pos );
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return true;
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}
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return false;
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}
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void KContextMenuManager::widgetDestroyed()
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{
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if ( menus.find( (QObject*)sender() ) )
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menus.remove( (QObject*)sender() );
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}
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#include "kcmenumngr.moc"
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