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118 lines
3.1 KiB
C++
118 lines
3.1 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; 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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*/
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#pragma once
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#include "iselection.h"
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#include "generic/callback.h"
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#include "scenelib.h"
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#include <cstdlib>
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class SelectableBool : public Selectable
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{
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bool m_selected;
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public:
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SelectableBool()
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: m_selected( false )
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{}
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void setSelected( bool select = true ) override {
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m_selected = select;
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}
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bool isSelected() const override {
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return m_selected;
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}
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};
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class ObservedSelectable final : public Selectable
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{
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SelectionChangeCallback m_onchanged;
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bool m_selected;
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public:
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ObservedSelectable( const SelectionChangeCallback& onchanged ) : m_onchanged( onchanged ), m_selected( false ){
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}
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ObservedSelectable( const ObservedSelectable& other ) : Selectable( other ), m_onchanged( other.m_onchanged ), m_selected( false ){
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setSelected( other.isSelected() );
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}
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ObservedSelectable& operator=( const ObservedSelectable& other ){
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setSelected( other.isSelected() );
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return *this;
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}
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~ObservedSelectable(){
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setSelected( false );
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}
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void setSelected( bool select ) override {
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if ( select ^ m_selected ) {
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m_selected = select;
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m_onchanged( *this );
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}
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}
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bool isSelected() const override {
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return m_selected;
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}
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};
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class SelectableInstance : public scene::Instance
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{
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class TypeCasts
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{
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InstanceTypeCastTable m_casts;
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public:
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TypeCasts(){
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InstanceContainedCast<SelectableInstance, Selectable>::install( m_casts );
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}
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InstanceTypeCastTable& get(){
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return m_casts;
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}
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};
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ObservedSelectable m_selectable;
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public:
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typedef LazyStatic<TypeCasts> StaticTypeCasts;
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SelectableInstance( const scene::Path& path, scene::Instance* parent, void* instance = 0, InstanceTypeCastTable& casts = StaticTypeCasts::instance().get() ) :
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Instance( path, parent, instance != 0 ? instance : this, casts ),
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m_selectable( SelectedChangedCaller( *this ) ){
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}
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Selectable& get( NullType<Selectable>){
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return m_selectable;
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}
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Selectable& getSelectable(){
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return m_selectable;
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}
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const Selectable& getSelectable() const {
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return m_selectable;
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}
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void selectedChanged( const Selectable& selectable ){
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GlobalSelectionSystem().getObserver ( SelectionSystem::ePrimitive )( selectable );
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GlobalSelectionSystem().onSelectedChanged( *this, selectable );
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Instance::selectedChanged();
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}
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typedef MemberCaller<SelectableInstance, void(const Selectable&), &SelectableInstance::selectedChanged> SelectedChangedCaller;
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};
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