tool.h

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/*
 *  OGF/Graphite: Geometry and Graphics Programming Library + Utilities
 *  Copyright (C) 2000 Bruno Levy
 *
 *  This program 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.
 *
 *  This program 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 this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  If you modify this software, you should include a notice giving the
 *  name of the person performing the modification, the date of modification,
 *  and the reason for such modification.
 *
 *  Contact: Bruno Levy
 *
 *     levy@loria.fr
 *
 *     ISA Project
 *     LORIA, INRIA Lorraine,
 *     Campus Scientifique, BP 239
 *     54506 VANDOEUVRE LES NANCY CEDEX
 *     FRANCE
 *
 *  Note that the GNU General Public License does not permit incorporating
 *  the Software into proprietary programs.
 */
 
#ifndef H_OGF_SCENE_GRAPH_TOOLS_TOOL_H
#define H_OGF_SCENE_GRAPH_TOOLS_TOOL_H
 
#include <OGF/scene_graph_gfx/common/common.h>
#include <OGF/scene_graph_gfx/transforms/ray_picker.h>
#include <OGF/scene_graph/skin/events.h>
#include <OGF/gom/types/node.h>
#include <OGF/basic/math/geometry.h>
 
namespace OGF {
 
    class ToolsManager;
    class Grob;
    class SceneGraph;
 
    gom_attribute(abstract, "true")
    gom_class SCENE_GRAPH_GFX_API Tool : public Node {
    public:
 
        Tool(ToolsManager* mgr) : tools_manager_(mgr) {
        }
 
        void status(const std::string& value) ;
 
        SceneGraph* scene_graph();
 
    gom_slots:
        virtual void grab(const RayPick& value) ;
 
        virtual void drag(const RayPick& value) ;
 
        virtual void release(const RayPick& value) ;
 
        virtual void reset() ;
 
        virtual void configure() ;
 
    public:
 
        ToolsManager* tools_manager() const {
            return tools_manager_ ;
        }
 
        const mat4& focus() const ;
 
        RenderingContext* rendering_context() const ;
 
        Grob* object() const ;
 
        vec2 project_point(vec3 p) const;
 
 
        vec2 ndc_to_dc(vec2 p) const;
 
    protected:
        void set_tooltip(const std::string& text);
 
        void reset_tooltip();
 
    protected:
        ToolsManager* tools_manager_ ;
    } ;
 
    typedef SmartPointer<Tool> Tool_var ;
 
    //___________________________________________________________________
 
    gom_attribute(abstract, "true")
    gom_class SCENE_GRAPH_GFX_API MultiTool : public Tool {
    public:
        MultiTool(ToolsManager* mgr) ;
 
         void grab(const RayPick& value) override;
 
         void drag(const RayPick& value) override;
 
         void release(const RayPick& value) override;
 
         void reset() override;
 
    protected:
        void set_tool(int button, Tool* tool) ;
 
        Tool* get_tool(int button) const ;
 
    protected:
        Tool_var tools_[MOUSE_BUTTONS_NB];
    } ;
 
    //_________________________________________________________________
 
}
 
#endif