GLWindow2.h

// -*- c++ -*-
// Copyright 2008 Isis Innovation Limited
#ifndef __GL_WINDOW_2_H
#define __GL_WINDOW_2_H
//
//  A class which wraps a CVD::GLWindow and provides some basic
//  user-interface funtionality: A gvars-driven clickable menu, and a
//  caption line for text display. Also provides some handy GL helpers
//  and a wrapper for CVD's text display routines.

#include <cvd/glwindow.h>
#include <TooN/TooN.h>

class GLWindowMenu;


class GLWindow2 : public CVD::GLWindow, public CVD::GLWindow::EventHandler
{
public:
    GLWindow2(CVD::ImageRef irSize, std::string sTitle);

    // The preferred event handler..
    void HandlePendingEvents();

    // Menu interface:
    void AddMenu(std::string sName, std::string sTitle);
    void DrawMenus();

    // Some OpenGL helpers:
    void SetupViewport();
    void SetupVideoOrtho();
    void SetupUnitOrtho();
    void SetupWindowOrtho();
    void SetupVideoRasterPosAndZoom();

    // Text display functions:
    void PrintString(CVD::ImageRef irPos, std::string s);
    void DrawCaption(std::string s);

    // AR viewer mouse interface:
    CVD::ImageRef GetMouseClick();

    // Map viewer mouse interface:
    std::pair<TooN::Vector<6>, TooN::Vector<6> > GetMousePoseUpdate();


protected:
    void GUICommandHandler(std::string sCommand, std::string sParams);
    static void GUICommandCallBack(void* ptr, std::string sCommand, std::string sParams);

    // User interface menus:
    std::vector<GLWindowMenu*> mvpGLWindowMenus;

    CVD::ImageRef mirVideoSize;   // The size of the source video material.


    // Event handling routines:
    virtual void on_key_down(GLWindow&, int key);
    virtual void on_mouse_move(GLWindow& win, CVD::ImageRef where, int state);
    virtual void on_mouse_down(GLWindow& win, CVD::ImageRef where, int state, int button);
    virtual void on_event(GLWindow& win, int event);
    CVD::ImageRef mirLastMousePos;
    CVD::ImageRef mirCurMousePos;

    // Storage for map viewer updates:
    TooN::Vector<6> mvMCPoseUpdate;
    TooN::Vector<6> mvLeftPoseUpdate;


};








#endif