From 651b6c612db4e809c506973996f2580c4158ac3a Mon Sep 17 00:00:00 2001
From: mickeyl <mickeyl>
Date: Sat, 27 Sep 2003 11:29:26 +0000
Subject: merge dasher which has been introduced in BRANCH first (wtf?) into HEAD

---
(limited to 'inputmethods/dasher/DasherModel.h')

diff --git a/inputmethods/dasher/DasherModel.h b/inputmethods/dasher/DasherModel.h
new file mode 100644
index 0000000..348900f
--- a/dev/null
+++ b/inputmethods/dasher/DasherModel.h
@@ -0,0 +1,111 @@
+// DasherModel.h
+//
+/////////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2001-2002 David Ward
+//
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef __DasherModel_h__
+#define __DasherModel_h__
+
+#include <iostream>
+#include "MSVC_Unannoy.h"
+#include "DashEdit.h"
+#include "DasherNode.h"
+#include "LanguageModel.h"
+#include "NoClones.h"
+#include <math.h>
+#include "DasherTypes.h"
+#include "FrameRate.h"
+#include <vector>
+
+// The CDasherModel represents the current state of Dasher
+// It contains a pointer to a structure of DasherNodes
+// The knows the current viewpoint
+// It also knows how to evolve the viewpoint
+
+namespace Dasher {class CDasherModel;}
+class Dasher::CDasherModel : private NoClones
+{
+public:
+	
+	CDasherModel(CDashEditbox* Editbox, CLanguageModel* LanguageModel, bool Dimensions);
+	~CDasherModel();
+	
+	// framerate functions
+	void NewFrame(unsigned long Time) {m_fr.NewFrame(Time);}    // called everytime we render a new frame
+	const double Framerate () {return m_fr.Framerate();}        // return the framerate
+	
+	// User control of speed
+	void SetBitrate(double TargetRate) {m_fr.SetBitrate(TargetRate);} // Use or start at this bitrate
+	void SetMaxBitrate(double MaxRate) {m_fr.SetMaxBitrate(MaxRate);} // Cap any adaption at this rate
+	
+	// functions returning private data (read only access)
+	const myint Rootmin() const {return m_Rootmin;}
+	const myint Rootmax() const {return m_Rootmax;}
+	const myint DasherOX() const {return m_DasherOX;}
+	CDasherNode* Root() const {return m_Root;}
+	int Normalization() const {return m_languagemodel->normalization();}
+	myint DasherY() const {return m_DasherY;}
+	bool Dimensions() const {return m_Dimensions;}
+
+	void Dump() const;                                              // diagnostics
+	void Flush(const myint smousex,const myint smousey);            // flush to the edit control
+	//void Learn_symbol(symbol Symbol) {m_languagemodel->learn_symbol(Symbol);} // feed character to language model
+
+       void Set_dimensions(bool dimensions) {m_Dimensions=dimensions;}
+	
+	void Tap_on_display(myint,myint, unsigned long Time);           // evolves the current viewpoint
+	void Start();                                                   // initializes the data structure
+	void Make_root(int whichchild);                                 // find a new root node
+	void Reparent_root(int lower, int upper);                                 // change back to the previous root
+	void Reset_framerate(unsigned long Time) {m_fr.Reset(Time);}
+
+	CAlphabet* m_alphabet;             // pointer to the alphabet
+	
+	CAlphabet* GetAlphabet() { return m_alphabet; }
+private:
+
+	// Old root notes
+	std::vector<CDasherNode*> oldroots;
+
+	// Rootmin and Rootmax specify the position of the root node in Dasher coords
+	myint m_Rootmin,m_Rootmax;
+
+	// Size of Dasher's arithmetic coding interval - it defines the Dasher coordinate system
+	myint m_DasherY;
+
+	// x position of crosshair in Dasher coords - distance from RHS is square Dasher
+	myint m_DasherOX;    
+
+	// y position of crosshair in Dasher coords - distance from top in square Dasher
+	myint m_DasherOY;     
+
+	// Number of input dimensions
+	bool m_Dimensions;
+
+	CDashEditbox* m_editbox;           // pointer to the editbox
+	CLanguageModel* m_languagemodel;   // pointer to the language model
+	CLanguageModel::CNodeContext* LearnContext;        // Used to add data to model as it is entered
+	CFrameRate m_fr;                   // keep track of framerate
+	
+	// TODO - move somewhere
+	// the probability that gets added to every symbol
+	double m_dAddProb;             
+	
+	CDasherNode* Get_node_under_mouse(myint smousex,myint smousey);
+	CDasherNode* Get_node_under_crosshair();
+	CDasherNode* m_Root;
+	void Get_new_root_coords(myint mousex,myint mousey);
+	void Get_string_under_mouse(const myint smousex,const myint smousey,std::vector<symbol> &str);
+	void Update(CDasherNode* node,CDasherNode* under,int safe);
+
+
+
+
+
+};
+
+
+#endif /* #ifndef __DasherModel_h__ */
--
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