fix navigation issues and warnings

src/parser.cpp

@@ -4,6 +4,9 @@
 #include "tree.hpp"
 #include "utils.hpp"
 
+/* macro rather then function to avoid warnings */
+#define UNEXPECTED_END() endwin(); cerr << "Unexpected end of file" << std::endl; exit(1)
+
 using std::cerr;
 /* using std::string_view; */
 using std::string;
@@ -51,12 +54,12 @@ namespace /* internal */
 		exit(1);
 	}
 
-	void unexpected_end()
-	{
-		endwin();
-		cerr << "Unexpected end of file" << std::endl;
-		exit(1);
-	}
+	/* void unexpected_end() */
+	/* { */
+	/* 	endwin(); */
+	/* 	cerr << "Unexpected end of file" << std::endl; */
+	/* 	exit(1); */
+	/* } */
 
 	void proceedToNameEnd(char*& it_data)
 	{
@@ -131,7 +134,7 @@ namespace /* internal */
 				unexpected_char(*it_data);
 			}
 		}
-		unexpected_end();
+		UNEXPECTED_END();
 	}
 
 	EventTime processDate(char*& it_data)		/* todo validate  */
@@ -193,7 +196,7 @@ namespace /* internal */
 				name.push_back(*it_data);
 			}
 		}
-		unexpected_end();
+		UNEXPECTED_END();
 	}
 
 	vector<person_id> parseSpouses(char*& it_data)

src/tree.cpp

@@ -129,6 +129,20 @@ person_id Tree::findId(const char* name, Sex s) const
 	return Nobody;
 }
 
+person_id Tree::findRootAncestor(person_id id) const
+{
+	for(person_id dad = findParent(id, M); dad != Nobody; dad = findParent(id, M))
+	{
+		id = dad;
+	}
+
+	for(person_id mom = findParent(id, F); mom != Nobody; mom = findParent(id, F))
+	{
+		id = mom;
+	}
+	return id;
+}
+
 person_id Tree::findOldestAncestor(person_id id, Sex sex) const
 {
 	for (const Relation& rel: relations[id])
@@ -141,6 +155,9 @@ person_id Tree::findOldestAncestor(person_id id, Sex sex) const
 
 person_id Tree::findCommonAncestor(const unsigned first, const unsigned second) const
 {
+	if(first == Nobody || second == Nobody)
+		return Nobody;
+
 	vector<U8> visited(people.size());		//if a member is visited twice he's a common ancestor
 
 	commonAncestorRec(first, visited);
@@ -152,8 +169,9 @@ person_id Tree::findCommonAncestor(const unsigned first, const unsigned second)
 	{
 		if (visited[i] == 2 && people[i].birth().year < oldestBday)
 		{
-			oldestBday = people[i].birth().year;
-			oldest = i;
+			/* oldestBday = people[i].birth().year; */ //todo figure it out
+			/* oldest = i; */
+			return i;
 		}
 	}
 	return oldest;
@@ -436,8 +454,10 @@ void Tree::display()
 			displayHelp();
 			draw();
 			break;
+		case ' ':
 		case '\n':
-			focused_ = selected_;
+			/* focused_ = selected_; */
+			focused_ = findRootAncestor(selected_);
 			draw();
 			break;
 		case KEY_LEFT:
@@ -600,10 +620,7 @@ void Tree::commonAncestorRec(person_id id, vector<U8> &visited) const
 	for (const Relation& rel: curRels)
 	{
 		if (rel.type == Child)
-		{
-			++visited[rel.id];
 			commonAncestorRec(rel.id, visited);
-		}
 	}
 }
 
@@ -715,7 +732,9 @@ I16 Tree::drawLineWithWives(const person_id id, I16 drawY, const I16 drawX) cons
 
 		for(size_t j = 1; j < numKids; ++j)
 		{
-			lnHt = linkToChild(drawY+1, prevX+1, childX+1, j < numKids-1) + 1; /* +1 because LTC starts lower then LTFB */
+			/* +1 because LTC starts lower then LTFB */
+			lnHt = linkToChild(drawY+1, prevX+1, childX+1, j < numKids-1) + 1;
+
 			prevX = childX;
 			childX = drawLineWithWives(children[j], drawY + lnHt, childX);
 		}
@@ -759,25 +778,18 @@ void Tree::selectDown()
 
 void Tree::selectUp()
 {
-	person_id dad = Nobody, mom = Nobody;
-
-	for(const Relation& rel: relations[selected_])
+	if (findCommonAncestor(focused_, selected_) != Nobody) //if the selected is part of main tree
 	{
-		if (rel.type == Child)
-		{
-			if (people[rel.id].sex == M)
-				dad = rel.id;
-			else
-				mom = rel.id;
-		}
+		person_id dad = findParent(selected_, M);
+		person_id mom = findParent(selected_, F);
+
+		if (findCommonAncestor(focused_, mom) != Nobody) //if selecteds mom is part of main tree
+			selected_ = mom;
+		else if (dad != Nobody)
+			selected_ = dad;
+
+		draw();
 	}
-
-	if (mom == focused_ || (mom != Nobody && dad == Nobody))
-		selected_ = mom;
-	else if (dad != Nobody)
-		selected_ = dad;
-
-	draw();
 }
 
 void Tree::selectRight()

src/tree.hpp

@@ -47,6 +47,7 @@ public:
 	person_id last();
 	std::vector<person_id> findId(const char* name) const;
 	person_id findId(const char* name, Sex) const;
+	person_id findRootAncestor(person_id) const;
 	person_id findOldestAncestor(person_id, Sex) const;//
 
 	//oldest common ancestor ID, a person is considerd an ancestor of himself