minus zoom

src/person.cpp

@@ -5,6 +5,7 @@
 
 #include "person.hpp"
 #include "utils.hpp"
+#include "ui.hpp"
 
 using std::cout;
 using std::string;
@@ -91,52 +92,56 @@ static U16 Utf8SymbolsCount(const string& str)
 }
 
 U16 Person::drawAsFocused(const I16 drawY, const I16 drawX, bool selected, bool hasSpouse,
-			  bool hasKids, bool wholeName) const
+			  bool hasKids, ZoomLevel zoom) const
 {
 	auto topright = hasSpouse ? ACS_TTEE : ACS_URCORNER;
 	auto botleft = hasKids ? ACS_LTEE : ACS_LLCORNER;
 
-	return draw(drawY, drawX, selected, wholeName,
+	return draw(drawY, drawX, selected, zoom,
 		    ACS_LTEE, topright,
 		    botleft,  ACS_LRCORNER );
 }
 
-U16 Person::drawAsSpouse(I16 drawY, I16 drawX, bool selected, bool hasTree, bool wholeName) const
+U16 Person::drawAsSpouse(I16 drawY, I16 drawX, bool selected, bool hasTree, ZoomLevel zoom) const
 {
 	auto topright = hasTree ? '@' : ACS_URCORNER;
-	return draw(drawY, drawX, selected, wholeName,
+	return draw(drawY, drawX, selected, zoom,
 		    ACS_TTEE,     topright,
 		    ACS_LLCORNER, ACS_LRCORNER );
 }
 
-U16 Person::draw(I16 drawY, I16 drawX, bool selected, bool wholeName,
+U16 Person::draw(I16 drawY, I16 drawX, bool selected, ZoomLevel zoom,
 		 U32 topleft, U32 topright, U32 botleft, U32 botright) const
 {
-	string display_name;
+	/* pad width */
-	if(wholeName)
+	U16 width;
+	// pad height
+	U16 height;
+
+	string display_name = name;
+	switch(zoom)
 	{
-		display_name = name;
+	case ZoomLevel::FIRST_NAME:
-	}
-	else
 	{
-		size_t space = name.find(' ');
+		size_t space = display_name.find(' ');
 		if(space != string::npos)
 		{
-			display_name =  name.substr(0, space);
+			display_name.erase(space);
 		}
-		else
+	}
+	case ZoomLevel::ALL_NAMES:
+		width = Utf8SymbolsCount(display_name) + 4;
+		height = 5;
+		break;
+	case ZoomLevel::NO_NAME:
+		width = 2;
+		height = 2;
+		break;
+	}
+
+	if(willBeVisible(drawY, drawX, height, width))
 	{
-			display_name = name;
+		AutoWin pad( newpad(height, width) );
-		}
-	}
-
-
-	/* pad width */
-	const U16 width = Utf8SymbolsCount(display_name) + 4;
-
-	if(willBeVisible(drawY, drawX, BOX_HEIGHT, width))
-	{
-		AutoWin pad( newpad(BOX_HEIGHT, width) );
 
 		auto color_pair = COLOR_PAIR( selected ? COLOR_SELECTED
 					      : (sex==M ? COLOR_MALE : COLOR_FEMALE) );
@@ -157,3 +162,15 @@ U16 Person::draw(I16 drawY, I16 drawX, bool selected, bool wholeName,
 	return width;
 
 }
+
+U16 person_box_width(ZoomLevel z)
+{
+	switch(z)
+	{
+	case ZoomLevel::ALL_NAMES:
+	case ZoomLevel::FIRST_NAME:
+		return 5;
+	case NO_NAME:
+		return 2;
+	}
+}

src/person.hpp

@@ -5,6 +5,8 @@
 #include <ncurses.h>
 #include "common/basicTypes.h"
 
+enum ZoomLevel: U8;
+
 struct EventTime
 {
 	enum: I16 { UNKNOWN_DATE=0  };
@@ -34,7 +36,7 @@ enum BoxColors: U8 {
 };
 
 enum DisplayDimensons: U8 {
-	BOX_HEIGHT = 5,
+	// BOX_HEIGHT = 5,
 	LINK_HEIGHT = 3
 };
 
@@ -57,13 +59,13 @@ public:
 	   hasSpouse, hasSpouse, hasChildren - wheather the person has them on display
 	   returns the width of the box*/
 	U16 drawAsFocused(I16 drawY, I16 drawX, bool selected, bool hasSpouse,
-			  bool hasChildren=false, bool wholeName=true) const;
+			  bool hasChildren, ZoomLevel) const;
 
 	/* Draw a Person's box on the terminal, as a spouse of someone in the focused tree
 	   drawY,drawX - top left coordinates where to draw (negative if outside the screen)
 	   hasTree     - weather the spouse has a tree that can be displayed
 	   returns the width of the box*/
-	U16 drawAsSpouse(I16 drawY, I16 drawX, bool selected, bool hasTree, bool wholeName=true) const;
+	U16 drawAsSpouse(I16 drawY, I16 drawX, bool selected, bool hasTree, ZoomLevel) const;
 
 	std::string name;
 	EventTime birth;
@@ -71,6 +73,8 @@ public:
 	EventTime death;
 
 private:
-	U16 draw(I16 drawY, I16 drawX, bool selected, bool wholeName,
+	U16 draw(I16 drawY, I16 drawX, bool selected, ZoomLevel,
 		 U32 topleft, U32 topright, U32 botleft, U32 botright) const;
 };
+
+U16 person_box_width(ZoomLevel);

src/tree.cpp

@@ -426,7 +426,7 @@ void Tree::updateRels(person_id id)
 }
 
 
-void Tree::draw(const person_id selected, const U8 zoom, const I16 offsetY, const I16 offsetX)
+void Tree::draw(const person_id selected, const ZoomLevel zoom, const I16 offsetY, const I16 offsetX)
 {
 	selected_ = selected;
 	zoom_ = zoom;
@@ -503,14 +503,14 @@ I16 Tree::drawLineWithSpouses(const person_id id, I16 drawY, const I16 drawX) co
 
 	const size_t numKids = children.size();
 	U16 person_w = person.drawAsFocused(drawY, drawX,
-					    id == selected_, spouse!=Nobody, numKids!=0, zoom_>=1);
+					    id == selected_, spouse!=Nobody, numKids!=0, zoom_);
 
 	U16 spouse_w = 0;
 	if (spouse != Nobody)
 	{
 		bool spouse_has_tree = (findParent(spouse, M) != Nobody) || (findParent(spouse, F) != Nobody);
 		U16 spouse_box = people_[spouse].drawAsSpouse(drawY, drawX + person_w + spouse_dist_,
-							      spouse == selected_, spouse_has_tree, zoom_>=1);
+							      spouse == selected_, spouse_has_tree, zoom_);
 		spouse_w = spouse_dist_ + spouse_box;
 	}
 
@@ -518,7 +518,7 @@ I16 Tree::drawLineWithSpouses(const person_id id, I16 drawY, const I16 drawX) co
 	if (numKids!=0)
 	{
 		auto prevX = childX;
-		drawY += BOX_HEIGHT;
+		drawY += person_box_width(zoom_);
 
 		auto lnHt = linkToFirstBorn(drawY, childX, numKids > 1); /* Link height */
 		childX = drawLineWithSpouses(children[0], drawY + lnHt, childX);

src/tree.hpp

@@ -4,6 +4,8 @@
 #include <vector>
 #include "person.hpp"
 
+enum ZoomLevel: U8;
+
 using person_id = U32;
 enum: person_id {
 	Nobody = UINT32_MAX
@@ -75,7 +77,7 @@ public:
 
 	/* void printRel(person_id id)const; //Prints out close relatives */
 	void printMember(person_id)const;
-	void draw(person_id selected, U8 zoom, I16 offsetY, I16 offsetX);
+	void draw(person_id selected, ZoomLevel, I16 offsetY, I16 offsetX);
 
 private:
 	// recursion to find common ancestor
@@ -97,7 +99,7 @@ private:
 	// 0 is the first person in the tree
 	person_id focused_ = 0;			/* the tree was draw based on this person */
 	person_id selected_;
-	U8 zoom_ = 0;
+	ZoomLevel zoom_;
 
 	// todo: figure out what to do with these constants
 	const U8 dist_between_ = 1;		/* distance between people */

src/ui.cpp

@@ -1,3 +1,4 @@
+#include "ui.hpp"
 #include "tree.hpp"
 #include "utils.hpp"
 #include "assert.h"
@@ -14,10 +15,22 @@ namespace
 	person_id selectRightSib(const Tree& t, person_id selected);
 }
 
+ZoomLevel operator++(ZoomLevel& z)
+{
+	z = (ZoomLevel)(z + 1);
+	return z;
+}
+
+ZoomLevel operator--(ZoomLevel& z)
+{
+	z = (ZoomLevel)(z - 1);
+	return z;
+}
+
 void displayTree(Tree& t)
 {
 	person_id selected = 0;	// the currently selected selected
-	U8 zoom = 0;		// how much info to show for each selected
+	ZoomLevel zoom = ZoomLevel::FIRST_NAME;		// how much info to show for each selected
 
 	// offset of the tree in relation to the top left corner of the screen
 	I16 offsetY = 0, offsetX = 0;
@@ -57,10 +70,12 @@ void displayTree(Tree& t)
 			break;
 		case '=':
 		case '+':
-			zoom = 1;
+			if(zoom < ZoomLevel::MAX_ZOOM)
+				++zoom;
 			break;
 		case '-':
-			zoom = 0;
+			if(zoom > 0)
+				--zoom;
 			break;
 		case SELECT_LEFT:
 			selected = selectLeft(t, selected);

src/ui.hpp

@@ -1,6 +1,17 @@
-#pragma once
-
 // Handles keys and displays the tree
 
+#pragma once
+#include "common/basicTypes.h"
+
+enum ZoomLevel: U8
+{
+	NO_NAME,
+	FIRST_NAME,
+	ALL_NAMES,
+	MAX_ZOOM = ALL_NAMES
+};
+ZoomLevel operator++(ZoomLevel&);
+ZoomLevel operator--(ZoomLevel&);
+
 class Tree;
 void displayTree(Tree&);

todo.txt

@@ -13,7 +13,7 @@ tft ^ should expand to last person (for parents it doesnt)
 tft merge trees relation
 
 Visualization:
-- zooming
+- more granular zooming
 - snap to selection/scroll with selection
 - horizontal navigation between cousins
 - color on different consoles
@@ -23,6 +23,7 @@ Visualization:
 - distinct tree regions
 - aproximate birth day
 - indicator for people with their own tree
+- centralize when changing focus
 
 Compilation
 - static and dynamic ncurses