Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tree: 0991a5ce8b
Fetching contributors…

Cannot retrieve contributors at this time

208 lines (181 sloc) 4.642 kb
/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#if !defined (INCLUDED_SELECTIONLIB_H)
#define INCLUDED_SELECTIONLIB_H
#include "iselection.h"
#include "generic/callback.h"
#include "scenelib.h"
#include <stdlib.h>
class SelectableBool : public Selectable
{
bool m_selected;
public:
SelectableBool()
: m_selected(false)
{}
void setSelected(bool select = true)
{
m_selected = select;
}
bool isSelected() const
{
return m_selected;
}
};
class ObservedSelectable : public Selectable
{
SelectionChangeCallback m_onchanged;
bool m_selected;
public:
ObservedSelectable(const SelectionChangeCallback& onchanged) : m_onchanged(onchanged), m_selected(false)
{
}
ObservedSelectable(const ObservedSelectable& other) : Selectable(other), m_onchanged(other.m_onchanged), m_selected(false)
{
setSelected(other.isSelected());
}
ObservedSelectable& operator=(const ObservedSelectable& other)
{
setSelected(other.isSelected());
return *this;
}
~ObservedSelectable()
{
setSelected(false);
}
void setSelected(bool select)
{
if(select ^ m_selected)
{
m_selected = select;
m_onchanged(*this);
}
}
bool isSelected() const
{
return m_selected;
}
};
class SelectableInstance : public scene::Instance
{
class TypeCasts
{
InstanceTypeCastTable m_casts;
public:
TypeCasts()
{
InstanceContainedCast<SelectableInstance, Selectable>::install(m_casts);
}
InstanceTypeCastTable& get()
{
return m_casts;
}
};
ObservedSelectable m_selectable;
public:
typedef LazyStatic<TypeCasts> StaticTypeCasts;
SelectableInstance(const scene::Path& path, scene::Instance* parent, void* instance = 0, InstanceTypeCastTable& casts = StaticTypeCasts::instance().get()) :
Instance(path, parent, instance != 0 ? instance : this, casts),
m_selectable(SelectedChangedCaller(*this))
{
}
Selectable& get(NullType<Selectable>)
{
return m_selectable;
}
Selectable& getSelectable()
{
return m_selectable;
}
const Selectable& getSelectable() const
{
return m_selectable;
}
void selectedChanged(const Selectable& selectable)
{
GlobalSelectionSystem().getObserver(SelectionSystem::ePrimitive)(selectable);
GlobalSelectionSystem().onSelectedChanged(*this, selectable);
Instance::selectedChanged();
}
typedef MemberCaller1<SelectableInstance, const Selectable&, &SelectableInstance::selectedChanged> SelectedChangedCaller;
};
template<typename Iterator>
inline bool range_check(Iterator start, Iterator finish, Iterator iter)
{
for(;start != finish; ++start)
{
if(start == iter)
{
return true;
}
}
return false;
}
#include <list>
template<typename Selected>
class SelectionList
{
typedef std::list<Selected*> List;
List m_selection;
public:
typedef typename List::iterator iterator;
typedef typename List::const_iterator const_iterator;
iterator begin()
{
return m_selection.begin();
}
const_iterator begin() const
{
return m_selection.begin();
}
iterator end()
{
return m_selection.end();
}
const_iterator end() const
{
return m_selection.end();
}
bool empty() const
{
return m_selection.empty();
}
std::size_t size() const
{
return m_selection.size();
}
Selected& back()
{
return *m_selection.back();
}
Selected& back() const
{
return *m_selection.back();
}
void append(Selected& selected)
{
m_selection.push_back(&selected);
}
void erase(Selected& selected)
{
typename List::reverse_iterator i = std::find(m_selection.rbegin(), m_selection.rend(), &selected);
ASSERT_MESSAGE(i != m_selection.rend(), "selection-tracking error");
ASSERT_MESSAGE(range_check(m_selection.begin(), m_selection.end(), --i.base()), "selection-tracking error");
m_selection.erase(--i.base());
}
};
#endif
Jump to Line
Something went wrong with that request. Please try again.