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/DasherNode.h')

diff --git a/inputmethods/dasher/DasherNode.h b/inputmethods/dasher/DasherNode.h
new file mode 100644
index 0000000..705a9d4
--- a/dev/null
+++ b/inputmethods/dasher/DasherNode.h
@@ -0,0 +1,127 @@
+// DasherNode.h
+//
+/////////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2001-2002 David Ward
+//
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef __DasherNode_h__
+#define __DasherNode_h__
+
+#include "NoClones.h"
+#include "DasherTypes.h"
+#include "LanguageModel.h"
+
+namespace Dasher {class CDasherNode;}
+class Dasher::CDasherNode : private NoClones
+{
+	// CDasherNode represents a rectangle and character 
+	// nodes have children, siblings and parents
+private:
+	const unsigned int m_iLbnd,m_iHbnd;// the cumulative lower and upper bound prob relative to parent
+	const unsigned int m_iGroup;       // group membership - e.g. 0=nothing 1=caps 2=punc
+	unsigned int m_iChars, m_iAge;
+	bool m_bAlive;                     // if true, then display node, else dont bother
+	bool m_bControlNode;               // if true, node is a control node
+	bool m_bControlChild;              // if true, node is offspring of a control node
+	//bool m_Cscheme;                  // color scheme for the node - alternates through relatives
+	Opts::ColorSchemes m_ColorScheme;
+	int m_iPhase;                      // index for coloring
+	int m_iColour;                     // for the advanced colour mode
+	
+	const symbol m_Symbol;             // the character to display
+	CLanguageModel *m_languagemodel;   // pointer to the language model - in future, could be different for each node	
+	CDasherNode **m_Children;          // pointer to array of children
+	CDasherNode *m_parent;             // pointer to parent - only needed to grab parent context
+	CLanguageModel::CNodeContext *m_context;
+public:
+	
+	CDasherNode(CDasherNode *parent,symbol Symbol, unsigned int igroup, int iphase, Opts::ColorSchemes ColorScheme,int ilbnd,int ihbnd,CLanguageModel *lm, int Colour);
+	~CDasherNode();
+	bool m_bForce;                     // flag to force a node to be drawn - shouldn't be public
+    
+	// return private data members - read only 
+	CDasherNode ** const Children() const {return m_Children;}
+	unsigned int Lbnd() const {return m_iLbnd;}
+	bool Alive() {return m_bAlive;}
+	bool Control() {return m_bControlChild;}
+	void Kill()  {m_bAlive=0;m_iAge=0;}
+	unsigned int Hbnd() const {return m_iHbnd;}
+	unsigned int Group() const {return m_iGroup;}
+	unsigned int Age() const {return m_iAge;}
+	symbol Symbol() const {return m_Symbol;}
+	unsigned int Chars() const {return m_iChars;}
+	int Phase() const {return m_iPhase;}
+	Opts::ColorSchemes Cscheme() const {return m_ColorScheme;}
+	int Colour() const {return m_iColour;}
+	
+	CDasherNode* const Get_node_under(int,myint y1,myint y2,myint smousex,myint smousey); // find node under given co-ords
+	void Get_string_under(const int,const myint y1,const myint y2,const myint smousex,const myint smousey,std::vector<symbol>&) const; // get string under given co-ords
+	void Generic_Push_Node(CLanguageModel::CNodeContext *context);
+	void Push_Node();                                      // give birth to children
+	void Push_Node(CLanguageModel::CNodeContext *context); // give birth to children with this context
+	void Delete_children();
+	void Dump_node() const;                                // diagnostic
+};
+
+/////////////////////////////////////////////////////////////////////////////
+// Inline functions
+/////////////////////////////////////////////////////////////////////////////
+
+using namespace Dasher;
+using namespace Opts;
+
+/////////////////////////////////////////////////////////////////////////////
+
+inline CDasherNode::CDasherNode(CDasherNode *parent,symbol Symbol, unsigned int igroup, int iphase, ColorSchemes ColorScheme,int ilbnd,int ihbnd,CLanguageModel *lm, int Colour=0)
+	: m_parent(parent),m_Symbol(Symbol),m_iGroup(igroup),m_iLbnd(ilbnd),m_iHbnd(ihbnd),m_languagemodel(lm),m_iPhase(iphase),
+  m_context(0), m_iAge(0), m_bAlive(1), m_Children(0), m_bForce(false), m_iChars(0), m_ColorScheme(ColorScheme), m_bControlChild(false), m_iColour(Colour)
+{
+	/*
+	switch (ColorScheme) {
+		case Nodes1:
+			m_ColorScheme = Nodes2;
+			break;
+		case Nodes2:
+			m_ColorScheme = Nodes1;
+			break;
+		case Special1:
+			m_ColorScheme = Special2;
+			break;
+		case Special2:
+			m_ColorScheme = Special1;
+			break;
+		case default:
+			m_ColorScheme = ColorScheme;
+			break;
+	}
+	*/
+}
+
+/////////////////////////////////////////////////////////////////////////////
+
+inline void CDasherNode::Delete_children() 
+{
+	if (m_Children) {
+		unsigned int i; 
+		for (i=1;i<m_iChars;i++)
+			delete m_Children[i];
+		delete [] m_Children;
+	}
+	m_Children=0;
+	
+}
+
+/////////////////////////////////////////////////////////////////////////////
+
+inline CDasherNode::~CDasherNode() 
+{
+	Delete_children();
+	if (m_context)
+		m_languagemodel->ReleaseNodeContext(m_context);
+}
+
+/////////////////////////////////////////////////////////////////////////////
+
+#endif /* #ifndef __DasherNode_h__ */
--
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