Redesigning the menu interface to be modular

ked/ncurses/bakcup/main.cpp

@@ -0,0 +1,60 @@
+#include "main.h" 
+
+#include "terminal.h"
+#include "menuBar.h"
+
+// INFO: wgetch(win); or getch();  // getch will make a refresh for us.  
+
+int main(int argv, char ** argc)
+{
+	//Variables
+	int xMax, yMax, xMouse, yMouse= 0; 
+	char pressed; 
+		
+	std::string menu1[4]={"New","Open","Save","Exit"}; 
+	std::string menu2[3]={"Copy","Cut","Paste"}; 
+	std::string menu3[5]={"Terminal","Help","Info","Update","Manual"};
+
+	// Second stage declarations
+	Menu menus[3]={				// init the menus
+		Menu("File", 0, 0, 'f', menu1, 4), 
+		Menu("Edit", 1, 0, 'e', menu2, 3), 
+		Menu("Options", 2, 0, 'o', menu3, 5), 
+	};
+
+	Terminal terminal;
+	MenuBar menuBar = MenuBar(menus,1,5,5,3); 
+
+	xMax = terminal.getXMax();	
+	yMax = terminal.getYMax();	
+	
+	std::string termToPrint = "Terminal with ";
+	termToPrint += std::to_string(xMax);
+	termToPrint += "x";
+	termToPrint += std::to_string(yMax);
+	termToPrint += " is drawn";
+
+	terminal.draw(1,1,termToPrint);
+	terminal.draw(1,3,"Press f For Files e For Edit and o for Options");
+	terminal.draw(1,2,"Press K to kill the menu");
+
+	terminal.endDraw();	
+	menuBar.drawBox();
+	menuBar.drawMenus();
+
+	while(pressed != 'k')
+	{
+		pressed = menuBar.getKey(); 	
+		menuBar.handleTrigger(pressed); 
+		menuBar.drawMenus();
+		terminal.endDraw();	
+	}
+	menuBar.~MenuBar();	
+	
+	terminal.draw(1,2,"Press any key to exit the application");
+	terminal.endDraw();	
+	terminal.getKey();	
+	terminal.tearDown();
+		
+	return 0;
+}

ked/ncurses/bakcup/main.h

@@ -0,0 +1,4 @@
+#include <ncurses.h>
+#include <string>
+
+#define ctrl(x) (x & 0x1F) // Detection of ctrl+x presses please do not forget that in unix ctrl+c and ctrl+z are special commands. 

ked/ncurses/bakcup/menu.h

@@ -0,0 +1,194 @@
+#include "main.h" 
+#ifndef _MENU_H_
+#define _MENU_H_ 
+
+class Menu
+{
+	public:
+		Menu(std::string name, int menuNo, int direction, char trigger, std::string *items, int itemCount);
+		~Menu();
+		void draw();
+		void nextItem();
+		void prevItem(); 
+		int getSelectedItem(); 
+		void setSelectedItem();
+		void setPosX(int x); 
+		void setPosY(int y);
+		int getPosX(); 
+		int getPosY();
+		void setMenuBarBegX(int x); // it must be indicated from menu bar so that we can print the box on the right place
+		void setMenuBarBegY(int y); // it must be indicated from menu bar so that we can print the box on the right place
+		void setMenuBarSizeX(int x); // it must be indicated from menu bar so that we can print the box on the right place
+		std::string getName();
+		int getNameLenght();
+		int getLongestItemLenght();
+		char getTrigger();
+		void drawBox(); 
+		void drawItems();
+		int getBoxBegY();
+		int getBoxBegX();
+		void eraseBox();
+		bool isBoxCreated();
+	
+	private:
+		WINDOW * menuItemsWin;
+		std::string name;
+		std::string *items; 
+		int menuNo, currPos, direction= 0;
+		int posX, xSize, menuBarBegX = 0;
+		int posY, ySize, menuBarBegY = 0;	
+		int menuBarSizeX = 0; 
+		int selected_item = 0;
+		int itemCount = 0; 
+		int itemLenght = 0;
+		char trigger;
+		bool boxIsCreated = false; 
+};
+
+Menu::Menu(std::string name, int menuNo, int direction, char trigger, std::string *items, int itemCount)
+{
+	this->name = name;				//Name of the menu 
+	this->menuNo = menuNo;			//No of the menu so that we can index it with the menuBar.handdleTrigger option. 
+	this->direction = direction;	//Direction o the menu Bar Horizontal = 0, vertical = 1 
+	this->trigger = trigger;		//The trigger for the given menu 
+	this->items = items;			//Items present in thei menu
+	this->itemCount = itemCount;	//Nouber of item present in this menu
+	
+	//To be sure
+	xSize = 0; 
+	ySize = 0;
+	selected_item = -1; // No menus are selected a the beggining
+	boxIsCreated = false; 
+	
+	// Vertical Alignment	
+	if(direction)
+	{	
+	}
+	else // Horizontal Alignment -> The Deffault 
+	{
+	}	
+	
+}
+
+Menu::~Menu() 
+{
+	werase(menuItemsWin);
+	wclear(menuItemsWin);
+	wrefresh(menuItemsWin);
+	boxIsCreated = false; 
+}
+
+void Menu::eraseBox()
+{
+	werase(menuItemsWin);
+	wclear(menuItemsWin);
+	wrefresh(menuItemsWin);
+	boxIsCreated = false; 
+}
+
+void Menu::setPosX(int x)
+{
+	this->posX = x;	
+}
+ 
+void Menu::setPosY(int y)
+{
+	this->posY = y;	
+}
+
+int Menu::getPosX()
+{
+	return posX;	
+}
+ 
+int Menu::getPosY()
+{
+	return posY;	
+}
+
+void Menu::setMenuBarBegX(int x)
+{
+	this->menuBarBegX = x;
+}
+
+void Menu::setMenuBarBegY(int y)
+{
+	this->menuBarBegY = y;
+}
+
+void Menu::setMenuBarSizeX(int x) 
+{
+	this->menuBarSizeX = x;
+}
+std::string Menu::getName()
+{
+	return name;
+}
+
+int Menu::getNameLenght()
+{
+	return name.length();
+}
+
+int Menu::getLongestItemLenght()
+{
+	return xSize;
+}
+
+char Menu::getTrigger()
+{
+	return trigger;
+}
+
+int Menu::getBoxBegX()
+{
+	// Vertical Alignment	
+	if(direction)
+	{	
+		return menuBarSizeX+posX+menuBarBegX-1;
+	}
+	else // Horizontal Alignment -> The Deffault 
+	{
+		return menuBarSizeX+posX+menuBarBegX-1;
+	}	
+	return -1; 
+}
+
+int Menu::getBoxBegY()
+{
+	// Vertical Alignment	
+	if(direction)
+	{	
+		return posY+menuBarBegY-1;
+	}
+	else // Horizontal Alignment -> The Deffault 
+	{
+		return posY+menuBarBegY-1;
+	}	
+	return -1; 
+}
+
+
+bool Menu::isBoxCreated()
+{
+	return boxIsCreated;
+}
+
+
+void Menu::drawBox()
+{
+	// Creates a box with caclulated dimention xSize & ySize and user given position
+	/*menuItemsWin = newwin(20, 20, getBoxBegY(), getBoxBegX()); 
+	boxIsCreated = true;
+	box(menuItemsWin ,0,0);	//Here we can define other cahr insterad of 0,0
+	mvwprintw(menuItemsWin,1,1,"PosY:%d PosX:%d",getBoxBegY(), getBoxBegX());
+	wrefresh(menuItemsWin);	//Refresh so that we can see it
+*/
+	}
+
+void Menu::drawItems()
+{
+
+}
+
+#endif

ked/ncurses/bakcup/menuBar.h

@@ -41,6 +41,7 @@ MenuBar::MenuBar(Menu *menus, int direction, int xBeg, int yBeg, int menuCount)
 	xSize = 0; 
 	ySize = 0;
 	selected_menu = -1; // No menus are selected a the beggining
+	prevSelected_menu = - 1; // Deselect for the next itteration. (unless handleTrigger has a new trigger) 
 
 
 	// Vertical Alignment	
@@ -112,14 +113,19 @@ void MenuBar::drawMenus()
 			wattron(menuBarWin, A_STANDOUT);
 			mvwprintw(menuBarWin, menus[i].getPosY(),menus[i].getPosX(), menus[i].getName().c_str());
 			wattroff(menuBarWin, A_STANDOUT);
-			menus[i].drawBox(); // Draws the lesefted Menus Items
+			//menus[i].drawBox(); // Draws the lesefted Menus Items
 		}
 		else // Otherwise do not hightlight
  		{
+			if(menus[i].isBoxCreated())
+			{
+				//menus[i].eraseBox(); // Draws the lesefted Menus Items
+			}
 			mvwprintw(menuBarWin, menus[i].getPosY(),menus[i].getPosX(), menus[i].getName().c_str());
 		}
 	}
 	selected_menu = - 1; // Deselect for the next itteration. (unless handleTrigger has a new trigger) 
+	prevSelected_menu = - 1; // Deselect for the next itteration. (unless handleTrigger has a new trigger) 
 	wrefresh(menuBarWin); // so we can see it
 }
 

ked/ncurses/hele.h

@@ -0,0 +1,194 @@
+#include "main.h" 
+#ifndef _MENU_H_
+#define _MENU_H_ 
+
+class Menu
+{
+	public:
+		Menu(std::string name, int menuNo, int direction, char trigger, std::string *items, int itemCount);
+		~Menu();
+		void draw();
+		void nextItem();
+		void prevItem(); 
+		int getSelectedItem(); 
+		void setSelectedItem();
+		void setPosX(int x); 
+		void setPosY(int y);
+		int getPosX(); 
+		int getPosY();
+		void setMenuBarBegX(int x); // it must be indicated from menu bar so that we can print the box on the right place
+		void setMenuBarBegY(int y); // it must be indicated from menu bar so that we can print the box on the right place
+		void setMenuBarSizeX(int x); // it must be indicated from menu bar so that we can print the box on the right place
+		std::string getName();
+		int getNameLenght();
+		int getLongestItemLenght();
+		char getTrigger();
+		void drawBox(); 
+		void drawItems();
+		int getBoxBegY();
+		int getBoxBegX();
+		void eraseBox();
+		bool isBoxCreated();
+	
+	private:
+		WINDOW * menuItemsWin;
+		std::string name;
+		std::string *items; 
+		int menuNo, currPos, direction= 0;
+		int posX, xSize, menuBarBegX = 0;
+		int posY, ySize, menuBarBegY = 0;	
+		int menuBarSizeX = 0; 
+		int selected_item = 0;
+		int itemCount = 0; 
+		int itemLenght = 0;
+		char trigger;
+		bool boxIsCreated = false; 
+};
+
+Menu::Menu(std::string name, int menuNo, int direction, char trigger, std::string *items, int itemCount)
+{
+	this->name = name;				//Name of the menu 
+	this->menuNo = menuNo;			//No of the menu so that we can index it with the menuBar.handdleTrigger option. 
+	this->direction = direction;	//Direction o the menu Bar Horizontal = 0, vertical = 1 
+	this->trigger = trigger;		//The trigger for the given menu 
+	this->items = items;			//Items present in thei menu
+	this->itemCount = itemCount;	//Nouber of item present in this menu
+	
+	//To be sure
+	xSize = 0; 
+	ySize = 0;
+	selected_item = -1; // No menus are selected a the beggining
+	boxIsCreated = false; 
+	
+	// Vertical Alignment	
+	if(direction)
+	{	
+	}
+	else // Horizontal Alignment -> The Deffault 
+	{
+	}	
+	
+}
+
+Menu::~Menu() 
+{
+	werase(menuItemsWin);
+	wclear(menuItemsWin);
+	wrefresh(menuItemsWin);
+	boxIsCreated = false; 
+}
+
+void Menu::eraseBox()
+{
+	werase(menuItemsWin);
+	wclear(menuItemsWin);
+	wrefresh(menuItemsWin);
+	boxIsCreated = false; 
+}
+
+void Menu::setPosX(int x)
+{
+	this->posX = x;	
+}
+ 
+void Menu::setPosY(int y)
+{
+	this->posY = y;	
+}
+
+int Menu::getPosX()
+{
+	return posX;	
+}
+ 
+int Menu::getPosY()
+{
+	return posY;	
+}
+
+void Menu::setMenuBarBegX(int x)
+{
+	this->menuBarBegX = x;
+}
+
+void Menu::setMenuBarBegY(int y)
+{
+	this->menuBarBegY = y;
+}
+
+void Menu::setMenuBarSizeX(int x) 
+{
+	this->menuBarSizeX = x;
+}
+std::string Menu::getName()
+{
+	return name;
+}
+
+int Menu::getNameLenght()
+{
+	return name.length();
+}
+
+int Menu::getLongestItemLenght()
+{
+	return xSize;
+}
+
+char Menu::getTrigger()
+{
+	return trigger;
+}
+
+int Menu::getBoxBegX()
+{
+	// Vertical Alignment	
+	if(direction)
+	{	
+		return menuBarSizeX+posX+menuBarBegX-1;
+	}
+	else // Horizontal Alignment -> The Deffault 
+	{
+		return menuBarSizeX+posX+menuBarBegX-1;
+	}	
+	return -1; 
+}
+
+int Menu::getBoxBegY()
+{
+	// Vertical Alignment	
+	if(direction)
+	{	
+		return posY+menuBarBegY-1;
+	}
+	else // Horizontal Alignment -> The Deffault 
+	{
+		return posY+menuBarBegY-1;
+	}	
+	return -1; 
+}
+
+
+bool Menu::isBoxCreated()
+{
+	return boxIsCreated;
+}
+
+
+void Menu::drawBox()
+{
+	// Creates a box with caclulated dimention xSize & ySize and user given position
+	/*menuItemsWin = newwin(20, 20, getBoxBegY(), getBoxBegX()); 
+	boxIsCreated = true;
+	box(menuItemsWin ,0,0);	//Here we can define other cahr insterad of 0,0
+	mvwprintw(menuItemsWin,1,1,"PosY:%d PosX:%d",getBoxBegY(), getBoxBegX());
+	wrefresh(menuItemsWin);	//Refresh so that we can see it
+*/
+	}
+
+void Menu::drawItems()
+{
+
+}
+
+#endif

ked/ncurses/item.h

@@ -0,0 +1,76 @@
+#include "main.h" 
+
+#ifndef _ITEM_H_
+#define _ITEM_H_ 
+
+#define BRD_SPC 1
+class Item
+{
+	public:	
+		Item(std::string name, char trigger);
+		~Item();
+
+		//Getters 
+		int getPosX();
+		int getPosY(); 
+		int getLength(); 
+		char getTrigger(); 
+		std::string getName(); 
+
+		//Setters
+		void setPosX(int x); 
+		void setPosY(int y);
+
+	private:	
+		std::string name; // Name of the item
+		int xPos, yPos = 0; // Coordinates of the item
+		int itemLength = 0; //Lenght of the item
+		char trigger; // trigger to select this item
+};
+
+Item::Item(std::string name, char trigger)
+{
+	this->name = name;
+	this->trigger = trigger; 
+}
+
+Item::~Item()
+{
+
+}
+
+//Getters 
+int Item::getPosX()
+{
+	return xPos;
+}
+int Item::getPosY()
+{
+	return yPos;
+}	
+int Item::getLength()
+{
+	return name.length(); 
+}	
+
+char Item::getTrigger()
+{
+	return trigger;
+}	
+
+std::string Item::getName()
+{
+	return name;
+}	
+//Setters
+void Item::setPosX(int x)
+{
+	this->xPos = x;
+}	
+
+void Item::setPosY(int y)
+{
+	this->yPos = y;
+}
+
+#endif

ked/ncurses/main.cpp

@@ -1,59 +1,64 @@
 #include "main.h" 
-
 #include "terminal.h"
-#include "menuBar.h"
+#include "menu.h"
+#include <cstring>
 
-// INFO: wgetch(win); or getch();  // getch will make a refresh for us.  
+#define HORIZONTAL 0
+#define VERTICAL 1
+#define LINK_MAIN 1
 
 int main(int argv, char ** argc)
 {
 	//Variables
-	int xMax, yMax, xMouse, yMouse= 0; 
+	int xMax, yMax = 0; 
 	char pressed; 
 	
-	std::string menu1[4]={"New","Open","Save","Exit"}; 
-	std::string menu2[3]={"Copy","Cut","Paste"}; 
-	std::string menu3[5]={"Terminal","Help","Info","Update","Manual"};
+	Item devices[3] = { 
+		Item("Stm32f042",'q'),
+		Item("Stm32g441",'w'),
+		Item("Raspberry",'e'),
+	}; 
 
-	// Second stage declarations
-	Menu menus[3]={				// init the menus
-		Menu("File", 0, 0, 'f', menu1, 4), 
-		Menu("Edit", 1, 0, 'e', menu2, 3), 
-		Menu("Options", 2, 0, 'o', menu3, 5), 
+	Item mainMenu[3] = { 
+		Item("Devices",'d'),
+		Item("Configrations",'c'),
+		Item("Help",'h'),
 	}; 
 	
-	Terminal terminal;
-	MenuBar menuBar = MenuBar(menus,1,5,5,3); 
+	Terminal terminal = Terminal();
+	Menu menu = Menu("Main", mainMenu, 0, 0, LINK_MAIN, HORIZONTAL, 5,5,3); 
+	Menu menuDevices = Menu("Devices", devices, 1, 1, LINK_MAIN, VERTICAL, 5,5,3); 
 
+	init_pair(2, COLOR_CYAN, COLOR_BLACK);
 	xMax = terminal.getXMax();	
 	yMax = terminal.getYMax();	
 
-	std::string termToPrint = "Terminal with ";
-	termToPrint += std::to_string(xMax);
-	termToPrint += "x";
-	termToPrint += std::to_string(yMax);
-	termToPrint += " is drawn";
+	attron(COLOR_PAIR(2));
+	terminal.draw(1,yMax-2,"Press x to Exit");
+	attroff(COLOR_PAIR(2));	
 	
-	terminal.draw(1,1,termToPrint);
-	terminal.draw(1,3,"Press f For Files e For Edit and o for Options");
-	terminal.draw(1,2,"Press K to kill the menu");
+	terminal.endDraw(); 	
 
-	refresh();	
-	menuBar.drawBox();
-	menuBar.drawMenus();
-
-	while(pressed != 'k')
+	while(pressed != 'x')
+	{
+		menu.printMenu();
+		pressed = terminal.getKey();	
+		menu.handleTrigger(pressed);
+		if(menu.isActive())
 		{
-		pressed = menuBar.getKey(); 	
-		menuBar.handleTrigger(pressed); 
-		menuBar.drawMenus();
+			terminal.draw(1,yMax-4,"Main Menu Is   Active");
+			terminal.endDraw();		
+		}
+		else
+		{
+			terminal.draw(1,yMax-4,"Main Menu is Inactive");
 		}
-	menuBar.~MenuBar();	
 		
-	refresh();	
+		terminal.endDraw();		
+	}
 	
-	terminal.draw(1,2,"Press any key to exit the application");
-	terminal.getKey();	
+	terminal.endDraw(); 	
+	terminal.draw(1,yMax-3,"The window should be deleted");
 	terminal.tearDown();
 		
 	return 0;

ked/ncurses/menu.h

@@ -1,174 +1,305 @@
 #include "main.h" 
+#include "item.h"
+
 #ifndef _MENU_H_
 #define _MENU_H_ 
 
+#define BRD_SPC 1
 class Menu
 {
 	public:	
-		Menu(std::string name, int menuNo, int direction, char trigger, std::string *items, int itemCount);
+		Menu(	std::string name, 
+				Item *items, 
+				int level, int no, int link, 
+				int orientation,
+				int xBeg, int yBeg, 
+				int itemCount); 	
 		~Menu();
-		void draw();
-		void nextItem();
-		void prevItem(); 
-		int getSelectedItem(); 
-		void setSelectedItem();
-		void setPosX(int x); 
-		void setPosY(int y);
-		int getPosX(); 
-		int getPosY();
-		void setMenuBarBegX(int x); // it must be indicated from menu bar so that we can print the box on the right place
-		void setMenuBarBegY(int y); // it must be indicated from menu bar so that we can print the box on the right place
-		void setMenuBarSizeX(int x); // it must be indicated from menu bar so that we can print the box on the right place
-		std::string getName();
-		int getNameLenght();
-		int getLongestItemLenght();
-		char getTrigger();
+		
+		//Functions	
+		void initBox(); // Inits the box dimentions and sets it up with basic parameters
 		void drawBox();
-		void drawItems();
-		int getBoxBegY();
-		int getBoxBegX();
-		void eraseBox();
+		void deleteMenu(); 
+		void startDraw(); 
+		void endDraw(); 
+		void update();
+		void printItems(); 
+		void selectItem(); 
+		void findTheLongestItem();
+		void printMenu();
+		void handleTrigger(char ch);
+		bool isActive();
+
+		//Getters 
+		int getSizeX(); 
+		int getSizeY(); 
+		int getBegX();
+		int getBegY(); 
+		int getLongestItem(); 
+		int getSelectedItem(); 
+		int getOrientation();
+		char getKey();
+
+		//Setters
+		void setBegX(int x); 
+		void setBegY(int y);
+		void setTopLine(char ch);
+		void setBottomLine(char ch);
+		void setLeftLine(char ch);
+		void setRightLine(char ch);
+		void setActive();
+		void setInactive();
 
 	private:	
-		WINDOW * menuItemsWin;
-		std::string name;
-		std::string *items; 
-		int menuNo, currPos, direction= 0;
-		int posX, xSize, menuBarBegX = 0;
-		int posY, ySize, menuBarBegY = 0;	
-		int menuBarSizeX = 0; 
-		int selected_item = 0;
-		int itemCount = 0; 
-		int itemLenght = 0;
-		char trigger;
+		WINDOW *menuWin; // window fo this menu 
+		std::string name; // Name of the menu
+		Item *items; // Items plresent for this menu
+		int orientation = 0; // 0 = Horizontal 1 = Vertical
+		int level = 0; // Hierarchical level of the menu 0 is the top one
+		int no = 0; // To be able to track echa menu indvidualy
+		int xBeg, yBeg = 0; // Beginning coordinates of the menu window
+		int xSize, ySize = 0; // Size of the menu window
+		int itemCount = 0; // Number of elents in this menu	
+		int selectedItem = 0; // Currenlty selected Item on the menu
+		int link = 0; //If this menu is linked to anothar one // level 0 menus can not be linked
+		int longestItem = 0; //Lenght Of the Longest item
+		int i, pos = 0;
+		bool activeMenu = false;
 };
 
-Menu::Menu(std::string name, int menuNo, int direction, char trigger, std::string *items, int itemCount)
+Menu::Menu(	std::string name, 
+			Item *items, 
+			int level, int no, int link, 
+			int orientation,
+			int xBeg, int yBeg, 
+			int itemCount)	
 {
-	this->name = name;				//Name of the menu 
-	this->menuNo = menuNo;			//No of the menu so that we can index it with the menuBar.handdleTrigger option. 
-	this->direction = direction;	//Direction o the menu Bar Horizontal = 0, vertical = 1 
-	this->trigger = trigger;		//The trigger for the given menu 
-	this->items = items;			//Items present in thei menu
-	this->itemCount = itemCount;	//Nouber of item present in this menu
+	this->name = name; 
+	this->items = items;
+	this->level = level; 
+	this->no = no; 
+	this->link = link; 
+	this->orientation = orientation; 
+	this->xBeg = xBeg; 
+	this->yBeg = yBeg; 
+	this->itemCount = itemCount;
 	
-	//To be sure
+	longestItem = 0; 
 	xSize = 0;
 	ySize = 0; 
-	selected_item = -1; // No menus are selected a the beggining
+	selectedItem = - 1; 
+	activeMenu = false;
+
+	initBox();
+}	
 
-	// Vertical Alignment	
-	if(direction)
+//TODO: The correct way to end or erase s window is still unclear
+Menu::~Menu()
 {
+	deleteMenu();
+	werase(menuWin);
 }
-	else // Horizontal Alignment -> The Deffault 
+
+void Menu::initBox()
+{
+	pos = 1; // So that it doesn write over the border
+
+	findTheLongestItem(); 
+	
+	// if Horizontal aligment else vertical
+	if(orientation)
 	{	
+		xSize = longestItem + 2; 
+
+		for(i = 0; i < itemCount ; i ++) 
+		{
+			this->items[i].setPosY(pos); 
+			this->items[i].setPosX(1); // So tha it write in the middle
+			pos ++; 
+		}
+		ySize = itemCount + 2;
+	}
+	else							 
+	{
+		for(i = 0; i < itemCount ; i ++) 
+		{
+			items[i].setPosX(pos);
+			items[i].setPosY(1);
+			pos += this->items[i].getLength() + 1; 
+		}
+		xSize = pos;		
+		ySize = 3;
 	}	
 
+	// Creates a box with caclulated dimention xSize & ySize and user given position
+	menuWin = newwin(ySize, xSize, yBeg, xBeg); 
 }
 
-Menu::~Menu() 
+//Functions	
+void Menu::drawBox()
+{
+	//menuWin = newwin(5, 5, 5, 5); 
+	box(menuWin,0,0);	//Here we can define other cahr insterad of 0,0
+	wrefresh(menuWin);	//Refresh so that we can see it
+}
+
+
+//TODO: The correct way to end or erase s window is still unclear
+void Menu::deleteMenu()
 {
-	werase(menuItemsWin);
-	wrefresh(menuItemsWin);
+	wclear(menuWin); 
+	endDraw();	
 }
  
-void Menu::eraseBox()
+void Menu::startDraw()
 {
-	werase(menuItemsWin);
-	wrefresh(menuItemsWin);
+	
 }
  
-void Menu::setPosX(int x)
+void Menu::endDraw()
 {
-	this->posX = x;	
+	wrefresh(menuWin);	//Refresh so that we can see it
 }
  
-void Menu::setPosY(int y)
+void Menu::update()
 {
-	this->posY = y;	
+	
 }
 
-int Menu::getPosX()
+void Menu::printItems()
+{
+	for(i=0 ; i < itemCount; i++)
+	{ 	
+		if(i == selectedItem)
+		{
+			wattron(menuWin, A_STANDOUT);
+			mvwprintw(menuWin, items[i].getPosY(),items[i].getPosX(), items[i].getName().c_str());
+			wattroff(menuWin, A_STANDOUT);
+		}
+		else 
 		{
-	return posX;	
+			mvwprintw(menuWin, items[i].getPosY(),items[i].getPosX(), items[i].getName().c_str());
+		}	
+	}
+	selectedItem = -1; // Deselcting the item
 }
  
-int Menu::getPosY()
+void Menu::selectItem()
 {
-	return posY;	
+	
 }
  
-void Menu::setMenuBarBegX(int x)
+void Menu::findTheLongestItem()
+{
+	for(i=0; i < itemCount; i++)
+	{
+		if(longestItem < items[i].getLength())
 		{
-	this->menuBarBegX = x;
+			longestItem = items[i].getLength();
+		}
+	}
 }
 
-void Menu::setMenuBarBegY(int y)
+void Menu::printMenu()
 {
-	this->menuBarBegY = y;
+	drawBox(); 
+	printItems();
+	wrefresh(menuWin);	//Refresh so that we can see it
 }
 	
-void Menu::setMenuBarSizeX(int x) 
+// Handles user input but there shoud be a way to register the selection. 
+void Menu::handleTrigger(char ch)
+{
+	for(i=0; i < itemCount; i++)
+	{
+		if(ch == items[i].getTrigger())
 		{
-	this->menuBarSizeX = x;
+			selectedItem = i;
+			activeMenu = true;
 		}
-std::string Menu::getName()
+		else
 		{
-	return name;
+			activeMenu = false;
+		}
+	}
 }
 
-int Menu::getNameLenght()
+bool Menu::isActive()
 {
-	return name.length();
+	return activeMenu;
 }
 
-int Menu::getLongestItemLenght()
+//Getters 
+int Menu::getSizeX()
 {
 	return xSize;	
 }
  
-char Menu::getTrigger()
+int Menu::getSizeY()
 {
-	return trigger;
+	return ySize;	
 }
  
-int Menu::getBoxBegX()
+int Menu::getBegX()
 {
-	// Vertical Alignment	
-	if(direction)
+	return xBeg; 	
+}
+
+int Menu::getBegY()
 {
+	return yBeg; 	
 }
-	else // Horizontal Alignment -> The Deffault 
+ 
+int Menu::getLongestItem()
 {
-		return menuBarSizeX+posX+menuBarBegX-1;
+	return longestItem;	
 }
+ 
+int Menu::getSelectedItem()
+{
+	return selectedItem;	
 }
  
-int Menu::getBoxBegY()
+int Menu::getOrientation()
 {
-	// Vertical Alignment	
-	if(direction)
+	return orientation;
+}
+
+
+//Setters
+void Menu::setBegX(int x)
 {
+	this-> xBeg = x;	
 }
-	else // Horizontal Alignment -> The Deffault 
+ 
+void Menu::setBegY(int y)
 {
-		return posY+menuBarBegY-1;
+	this-> yBeg = y;	
 }
+
+void Menu::setTopLine(char ch)
+{
+	
 }
 
-void Menu::drawBox()
+void Menu::setBottomLine(char ch)
 {
-	// Creates a box with caclulated dimention xSize & ySize and user given position
-	menuItemsWin = newwin(20, 20, getBoxBegY(), getBoxBegX()); 
-	box(menuItemsWin ,0,0);	//Here we can define other cahr insterad of 0,0
-	mvwprintw(menuItemsWin,1,1,"PosY:%d PosX:%d",getBoxBegY(), getBoxBegX());
-	wrefresh(menuItemsWin);	//Refresh so that we can see it
+	
+}
+
+void Menu::setLeftLine(char ch)
+{
+	
 }
 
-void Menu::drawItems()
+void Menu::setRightLine(char ch)
 {
 	
 }
 
+char Menu::getKey()
+{
+	return wgetch(menuWin);
+}
+
 #endif

ked/ncurses/training/menuEx/compile_run.sh

@@ -2,6 +2,6 @@
 
 rm ./menu
 
-gcc main.c -o menu -lncurses
+gcc main.c -o menu -lmenu -lncurses
 
 ./menu

ked/ncurses/training/menuEx/main.c

@@ -1,108 +1,100 @@
-#include <ncurses.h>
-#include <string.h>
+#include <curses.h>
 #include <menu.h>
 #include <stdlib.h>
-#define WIDTH 30
-#define HEIGHT 10 
+#include <string.h>
 
-int startx = 0;
-int starty = 0;
 
-char *choices[] = { 	"Choice 1",
-			"Choice 2",
-			"Choice 3",
-			"Choice 4",
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+#define CTRLD	4
+
+char *choices[] = {
+	                        "Choice 1", "Choice 2", "Choice 3", "Choice 4", "Choice 5",
+										"Choice 6", "Choice 7", "Choice 8", "Choice 9", "Choice 10",
+													"Choice 11", "Choice 12", "Choice 13", "Choice 14", "Choice 15",
+																"Choice 16", "Choice 17", "Choice 18", "Choice 19", "Choice 20",
 																                        "Exit",
+																						                        (char *)NULL,
 																												                  };
 
-int n_choices = sizeof(choices) / sizeof(char *);
-
-void print_menu(WINDOW *menu_win, int highlight);
-void report_choice(int mouse_x, int mouse_y, int *p_choice);
-
 int main()
-{	int c, choice = 0;
-	WINDOW *menu_win;
-	MEVENT event;
+{	ITEM **my_items;
+		int c;				
+			MENU *my_menu;
+			        WINDOW *my_menu_win;
+					        int n_choices, i;
 								
 								/* Initialize curses */
 								initscr();
-	clear();
+									start_color();
+									        cbreak();
 											        noecho();
-	cbreak();	//Line buffering disabled. pass on everything
-
-	/* Try to put the window in the middle of screen */
-	startx = (80 - WIDTH) / 2;
-	starty = (24 - HEIGHT) / 2;
+														keypad(stdscr, TRUE);
+															init_pair(1, COLOR_RED, COLOR_BLACK);
+																init_pair(2, COLOR_CYAN, COLOR_BLACK);
 
-	attron(A_REVERSE);
-	mvprintw(23, 1, "Click on Exit to quit (Works best in a virtual console)");
-	refresh();
-	attroff(A_REVERSE);
+																	/* Create items */
+																        n_choices = ARRAY_SIZE(choices);
+																		        my_items = (ITEM **)calloc(n_choices, sizeof(ITEM *));
+																				        for(i = 0; i < n_choices; ++i)
+																							                my_items[i] = new_item(choices[i], choices[i]);
 
-	/* Print the menu for the first time */
-	menu_win = newwin(HEIGHT, WIDTH, starty, startx);
-	print_menu(menu_win, 1);
-	/* Get all the mouse events */
-	mousemask(ALL_MOUSE_EVENTS, NULL);
+																							/* Crate menu */
+																							my_menu = new_menu((ITEM **)my_items);
 
-	while(1)
-	{	c = wgetch(menu_win);
-		switch(c)
-		{	case KEY_MOUSE:
-			if(getmouse(&event) == OK)
-			{	/* When the user clicks left mouse button */
-				if(event.bstate & BUTTON1_PRESSED)
-				{	report_choice(event.x + 1, event.y + 1, &choice);
-					if(choice == -1) //Exit chosen
-						goto end;
-					mvprintw(22, 1, "Choice made is : %d String Chosen is \"%10s\"", choice, choices[choice - 1]);
-					refresh(); 
-				}
-			}
-			print_menu(menu_win, choice);
-			break;
-		}
-	}		
-end:
-	endwin();
-	return 0;
-}
+																								/* Set menu option not to show the description */
+																								menu_opts_off(my_menu, O_SHOWDESC);
 
+																									/* Create the window to be associated with the menu */
+																								        my_menu_win = newwin(10, 70, 4, 4);
+																										        keypad(my_menu_win, TRUE);
 																												     
-void print_menu(WINDOW *menu_win, int highlight)
-{
-	int x, y, i;	
+																													/* Set main window and sub window */
+																												        set_menu_win(my_menu, my_menu_win);
+																														        set_menu_sub(my_menu, derwin(my_menu_win, 6, 68, 3, 1));
+																																	set_menu_format(my_menu, 5, 3);
+																																		set_menu_mark(my_menu, " * ");
 
-	x = 2;
-	y = 2;
-	box(menu_win, 0, 0);
-	for(i = 0; i < n_choices; ++i)
-	{	if(highlight == i + 1)
-		{	wattron(menu_win, A_REVERSE); 
-			mvwprintw(menu_win, y, x, "%s", choices[i]);
-			wattroff(menu_win, A_REVERSE);
-		}
-		else
-			mvwprintw(menu_win, y, x, "%s", choices[i]);
-		++y;
-	}
-	wrefresh(menu_win);
-}
+																																			/* Print a border around the main window and print a title */
+																																		        box(my_menu_win, 0, 0);
 																																					
-/* Report the choice according to mouse position */
-void report_choice(int mouse_x, int mouse_y, int *p_choice)
-{	int i,j, choice;
+																																					attron(COLOR_PAIR(2));
+																																						mvprintw(LINES - 3, 0, "Use PageUp and PageDown to scroll");
+																																							mvprintw(LINES - 2, 0, "Use Arrow Keys to navigate (F1 to Exit)");
+																																								attroff(COLOR_PAIR(2));
+																																									refresh();
 
-	i = startx + 2;
-	j = starty + 3;
+																																										/* Post the menu */
+																																										post_menu(my_menu);
+																																											wrefresh(my_menu_win);
 																																												
-	for(choice = 0; choice < n_choices; ++choice)
-		if(mouse_y == j + choice && mouse_x >= i && mouse_x <= i + strlen(choices[choice]))
-		{	if(choice == n_choices - 1)
-				*p_choice = -1;		
-			else
-				*p_choice = choice + 1;	
+																																												while((c = wgetch(my_menu_win)) != KEY_F(1))
+																																														{       switch(c)
+																																																        {	case KEY_DOWN:
+																																																							menu_driver(my_menu, REQ_DOWN_ITEM);
+																																																											break;
+																																																														case KEY_UP:
+																																																															menu_driver(my_menu, REQ_UP_ITEM);
+																																																																			break;
+																																																																						case KEY_LEFT:
+																																																																							menu_driver(my_menu, REQ_LEFT_ITEM);
 																																																																											break;
+																																																																														case KEY_RIGHT:
+																																																																															menu_driver(my_menu, REQ_RIGHT_ITEM);
+																																																																																			break;
+																																																																																						case KEY_NPAGE:
+																																																																																							menu_driver(my_menu, REQ_SCR_DPAGE);
+																																																																																											break;
+																																																																																														case KEY_PPAGE:
+																																																																																															menu_driver(my_menu, REQ_SCR_UPAGE);
+																																																																																																			break;
+																																																																																																					}
+																																																		                wrefresh(my_menu_win);
 																																																							}	
+
+																																													/* Unpost and free all the memory taken up */
+																																												        unpost_menu(my_menu);
+																																														        free_menu(my_menu);
+																																																        for(i = 0; i < n_choices; ++i)
+																																																			                free_item(my_items[i]);
+																																																			endwin();
 }