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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <controls/table/defaultinputhandler.hxx>
#include <controls/table/tablecontrolinterface.hxx>
#include <vcl/event.hxx>
#include <osl/diagnose.h>
namespace svt::table
{
//= DefaultInputHandler
DefaultInputHandler::DefaultInputHandler()
{
aMouseFunctions.push_back( new ColumnResize );
aMouseFunctions.push_back( new RowSelection );
aMouseFunctions.push_back( new ColumnSortHandler );
}
DefaultInputHandler::~DefaultInputHandler()
{
}
bool DefaultInputHandler::delegateMouseEvent( ITableControl& i_control, const MouseEvent& i_event,
FunctionResult ( MouseFunction::*i_handlerMethod )( ITableControl&, const MouseEvent& ) )
{
if ( pActiveFunction.is() )
{
bool furtherHandler = false;
switch ( (pActiveFunction.get()->*i_handlerMethod)( i_control, i_event ) )
{
case ActivateFunction:
OSL_ENSURE( false, "lcl_delegateMouseEvent: unexpected - function already *is* active!" );
break;
case ContinueFunction:
break;
case DeactivateFunction:
pActiveFunction.clear();
break;
case SkipFunction:
furtherHandler = true;
break;
}
if ( !furtherHandler )
// handled the event
return true;
}
// ask all other handlers
bool handled = false;
for (auto const& mouseFunction : aMouseFunctions)
{
if (handled)
break;
if (mouseFunction == pActiveFunction)
// we already invoked this function
continue;
switch ( (mouseFunction.get()->*i_handlerMethod)( i_control, i_event ) )
{
case ActivateFunction:
pActiveFunction = mouseFunction;
handled = true;
break;
case ContinueFunction:
case DeactivateFunction:
OSL_ENSURE( false, "lcl_delegateMouseEvent: unexpected: inactive handler cannot be continued or deactivated!" );
break;
case SkipFunction:
handled = false;
break;
}
}
return handled;
}
bool DefaultInputHandler::MouseMove( ITableControl& i_tableControl, const MouseEvent& i_event )
{
return delegateMouseEvent( i_tableControl, i_event, &MouseFunction::handleMouseMove );
}
bool DefaultInputHandler::MouseButtonDown( ITableControl& i_tableControl, const MouseEvent& i_event )
{
return delegateMouseEvent( i_tableControl, i_event, &MouseFunction::handleMouseDown );
}
bool DefaultInputHandler::MouseButtonUp( ITableControl& i_tableControl, const MouseEvent& i_event )
{
return delegateMouseEvent( i_tableControl, i_event, &MouseFunction::handleMouseUp );
}
} // namespace svt::table
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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