1 files changed, 127 insertions, 0 deletions

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__ */