DasherView.h

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// DasherView.h
//
//
// Copyright (c) 2001-2002 David Ward
//


// DasherView.h: interface for the DasherView class.
// Copyright 2002 David Ward

#ifndef __DasherView_h_
#define __DasherView_h_

#include "MSVC_Unannoy.h"
#include "DasherScreen.h"
#include "DasherModel.h"

// CDasherView is an abstract view class
// The implentation must provide several functions - defined here as pure virtual functions
// See the CDasherViewSquare class for an example

namespace Dasher {class CDasherView;}
class Dasher::CDasherView
{
public:
        CDasherView(CDasherScreen* DasherScreen, CDasherModel& DasherModel, Dasher::Opts::ScreenOrientations Orientation=Dasher::Opts::LeftToRight);
        virtual ~CDasherView() {}               
        
        void ChangeOrientation(Dasher::Opts::ScreenOrientations Orientation);
        
        // TODO Sort this out
        void FlushAt(int mousex,int mousey);
        
        // renders Dasher
        inline void Render();
        
        // translates the screen coordinates to Dasher coordinates and calls
        // dashermodel.TapOnDisplay
        virtual void TapOnDisplay(int mousex, int mousey, unsigned long Time)=0;
        
        virtual void ChangeScreen(CDasherScreen* NewScreen)
        {
                m_Screen=NewScreen;
                
                // DJW - removed floating point stuff
                //XYScale = (double)m_Screen->GetHeight() / m_Screen->GetWidth();
        }

        virtual void DrawMouse(int mousex, int mousey)=0;
        virtual void DrawKeyboard()=0;

        // Return references to the model and the screen:
        CDasherModel& DasherModel() {return m_DasherModel;}
        CDasherScreen& Screen() {return *m_Screen;}

        void Display() {m_Screen->Display();}

        // Toggle advanced colour mode
        void SetColourMode(bool colourmode) {ColourMode=colourmode;}

protected:
        // Orientation of Dasher Screen
        inline void MapScreen(int* DrawX, int* DrawY);
        inline void UnMapScreen(int* DrawX, int* DrawY);

private:
        CDasherScreen* m_Screen;      // provides the graphics (text, lines, rectangles):
        CDasherModel& m_DasherModel; // Model view represents
        
        // Pure virtuals to implement
        virtual void Crosshair(myint sx)=0; // Tells m_Screen to draw a crosshair - or other static decoration
        virtual int RenderNode(const symbol Character, const int Color, Opts::ColorSchemes ColorScheme,
                myint y1, myint y2, int& mostleft, bool& force, bool text)=0;
        
        // Responsible for all the Render_node calls
        int RecursiveRender(CDasherNode* Render, myint y1,myint y2,int mostleft, bool text);
        
        // Displays some nodes inside one parent node. Used to group capital letters, accents, punctuation etc.
        void RenderGroups(CDasherNode* Render, myint y1, myint y2, bool text);
        
        // Orientation of Dasher Screen
        Dasher::Opts::ScreenOrientations ScreenOrientation;

        // Advanced colour mode
        bool ColourMode;

        // DJW - removed floating point stuff
        //double XYScale;
};


#include "DasherView.inl"


#endif /* #ifndef __DasherView_h_ */

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