-// Copyright (C) 2005 OPEN CASCADE, CEA/DEN, EDF R&D, PRINCIPIA R&D
-//
+// Copyright (C) 2007-2015 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// 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
+// License as published by the Free Software Foundation; either
+// version 2.1 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
// Lesser General Public License for more details.
//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
-// See http://www.salome-platform.org/
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
+
// SUIT_Accel.cxx: implementation of the SUIT_Accel class.
//
-//////////////////////////////////////////////////////////////////////
-
#include "SUIT_Accel.h"
-#include "SUIT_Desktop.h"
-#include "SUIT_ViewManager.h"
+
#include "SUIT_ViewWindow.h"
+#include "SUIT_ViewManager.h"
#include "SUIT_ViewModel.h"
-#include <qaccel.h>
+#include <QCoreApplication>
+#include <QEvent>
+#include <QKeyEvent>
-/*!\class SUIT_Accel
- * Class handles keyboard accelerator bindings.
- */
+/*!
+ \class SUIT_Accel
+ \brief Manager of keyboard accelerator bindings.
+*/
-/*! Constructor.*/
-SUIT_Accel::SUIT_Accel(SUIT_Desktop* theDesktop)
- : QObject( theDesktop, "SUIT_Accel" ),
- myDesktop( theDesktop )
+SUIT_Accel* SUIT_Accel::myself = 0;
+
+/*! Constructor [private].*/
+SUIT_Accel::SUIT_Accel()
+: QObject( QCoreApplication::instance() )
{
- myAccel = new QAccel( theDesktop, "SUIT_Accel_interal_qaccel" );
- connect( myAccel, SIGNAL( activated( int ) ), this, SLOT( onActivated( int ) ) );
+ QCoreApplication::instance()->installEventFilter( this );
}
-/*! Destructor.*/
-SUIT_Accel::~SUIT_Accel()
+/*! getAccel() : public interface for SUIT_Accel object. Only one instance is created and returned. */
+SUIT_Accel* SUIT_Accel::getAccel()
{
+ if ( !myself )
+ myself = new SUIT_Accel();
+ return myself;
}
-/*! setActionKey assign a ceratain action for a key accelerator */
+/*! setActionKey() : assign a ceratain action for a key accelerator */
void SUIT_Accel::setActionKey( const int action, const int key, const QString& type )
-{
- // 1. get or generate interal "id" of action
- int id = myAccel->findKey( key );
- if ( id == -1 )
- id = myAccel->insertItem( key );
-
+{
IdActionMap idActionMap;
if ( myMap.contains( type ) )
idActionMap = myMap[type];
- idActionMap[id] = action;
+ idActionMap[key] = action;
myMap[type] = idActionMap;
+
+ myOptMap[key] = true;
}
-/*! onActivated slot called when a registered key accelerator was activated */
-void SUIT_Accel::onActivated( int id )
+/*! unsetActionKey() : unregister a certain key accelerator */
+void SUIT_Accel::unsetActionKey( const int key, const QString& type )
{
- if ( myDesktop ) {
- if ( SUIT_ViewWindow* vw = myDesktop->activeWindow() ) {
- QString type = vw->getViewManager()->getViewModel()->getType();
- if ( myMap.contains( type ) ) {
- IdActionMap idActionMap = myMap[type];
- if ( idActionMap.contains( id ) ) {
- vw->onAccelAction( idActionMap[id] );
- }
- }
+ if ( myMap.contains( type ) )
+ {
+ IdActionMap idActionMap = myMap[type];
+ if ( idActionMap.contains( key ) )
+ {
+ idActionMap.remove( key );
+ myMap[type] = idActionMap;
}
}
}
+/*! getParentViewWindow() : returns given object or any of its parents-grandparents-.. if it is a SUIT_ViewWindow */
+SUIT_ViewWindow* getParentViewWindow( const QObject* obj )
+{
+ if ( obj )
+ {
+ if ( obj->inherits( "SUIT_ViewWindow" ) )
+ return (SUIT_ViewWindow*)obj;
+ else
+ return getParentViewWindow( obj->parent() );
+ }
+ return 0;
+}
+
+/*! getKey() : returns integer key code (with modifiers) made of key pressed 'inside' given event */
+int getKey( QKeyEvent* keyEvent )
+{
+ int key = keyEvent->key(), state = keyEvent->modifiers();
+ if ( state & Qt::ShiftModifier )
+ key += Qt::SHIFT;
+ if ( state & Qt::ControlModifier )
+ key += Qt::CTRL;
+ if ( state & Qt::AltModifier )
+ key += Qt::ALT;
+ if ( state & Qt::MetaModifier )
+ key += Qt::META;
+ return key;
+}
+
+/*!
+ Returns key pressed if
+ -# event was KeyPress
+ -# pressed key is a registered accelerator
+*/
+int SUIT_Accel::getAccelKey( QEvent *event )
+{
+ if ( event && event->type() == QEvent::KeyPress ) {
+ int key = ::getKey( (QKeyEvent*)event );
+ if ( myOptMap.contains( key ) )
+ return key;
+ }
+ return 0;
+}
+
+/*! eventFilter() : filtering ALL events of QApplication. */
+bool SUIT_Accel::eventFilter( QObject *obj, QEvent *event )
+{
+ const int key = getAccelKey( event );
+ if ( key ) {
+ SUIT_ViewWindow* vw = ::getParentViewWindow( obj );
+ if ( vw ) {
+ if ( vw->getViewManager() && vw->getViewManager()->getViewModel() )
+ {
+ QString type = vw->getViewManager()->getViewModel()->getType();
+ if ( myMap.contains( type ) ) {
+ IdActionMap idActionMap = myMap[type];
+ if ( idActionMap.contains( key ) ) {
+ return vw->onAccelAction( idActionMap[key] );
+ }
+ }
+ }
+ }
+ }
+ return false;
+}
+
