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

1 files changed, 129 insertions, 0 deletions

diff --git a/kdeui/kcmenumngr.cpp b/kdeui/kcmenumngr.cpp
new file mode 100644
index 000000000..6255a764d
--- /dev/null
+++ b/kdeui/kcmenumngr.cpp
@@ -0,0 +1,129 @@
+/*
+ *  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"