152 lines
4.1 KiB
C++
152 lines
4.1 KiB
C++
// Canvas Event for event model similar to DOM Level 3 Event Model
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//
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// Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
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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
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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#include "CanvasEvent.hxx"
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namespace simgear
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{
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namespace canvas
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{
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//----------------------------------------------------------------------------
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Event::Event():
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type(UNKNOWN),
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time(-1),
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propagation_stopped(false),
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default_prevented(false)
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{
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}
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//----------------------------------------------------------------------------
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Event::~Event()
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{
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}
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//----------------------------------------------------------------------------
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bool Event::canBubble() const
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{
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return true;
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}
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//----------------------------------------------------------------------------
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int Event::getType() const
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{
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return type;
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}
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//----------------------------------------------------------------------------
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std::string Event::getTypeString() const
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{
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return typeToStr(type);
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}
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//----------------------------------------------------------------------------
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ElementWeakPtr Event::getTarget() const
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{
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return target;
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}
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//----------------------------------------------------------------------------
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ElementWeakPtr Event::getCurrentTarget() const
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{
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return current_target;
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}
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//----------------------------------------------------------------------------
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double Event::getTime() const
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{
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return time;
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}
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//----------------------------------------------------------------------------
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void Event::stopPropagation()
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{
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propagation_stopped = true;
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}
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//----------------------------------------------------------------------------
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void Event::preventDefault()
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{
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default_prevented = true;
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}
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//----------------------------------------------------------------------------
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bool Event::defaultPrevented() const
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{
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return default_prevented;
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}
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//----------------------------------------------------------------------------
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int Event::getOrRegisterType(const std::string& type_str)
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{
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int type = strToType(type_str);
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if( type == UNKNOWN )
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{
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// Register new type
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TypeMap& type_map = getTypeMap();
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type = type_map.size() + 1; // ids start with 1 (after UNKNOWN)
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type_map.insert(TypeMap::value_type(type_str, type));
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}
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return type;
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}
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//----------------------------------------------------------------------------
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int Event::strToType(const std::string& str)
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{
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TypeMap const& type_map = getTypeMap();
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TypeMap::map_by<name>::const_iterator it = type_map.by<name>().find(str);
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if( it == type_map.by<name>().end() )
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return UNKNOWN;
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return it->second;
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}
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//----------------------------------------------------------------------------
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std::string Event::typeToStr(int type)
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{
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TypeMap const& type_map = getTypeMap();
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TypeMap::map_by<id>::const_iterator it = type_map.by<id>().find(type);
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if( it == type_map.by<id>().end() )
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return "unknown";
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return it->second;
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}
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//----------------------------------------------------------------------------
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Event::TypeMap& Event::getTypeMap()
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{
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static TypeMap type_map;
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if( type_map.empty() )
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{
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# define ENUM_MAPPING(type, str, class_name)\
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type_map.insert(TypeMap::value_type(str, type));
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# include "CanvasEventTypes.hxx"
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# undef ENUM_MAPPING
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}
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return type_map;
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}
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} // namespace canvas
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} // namespace simgear
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