Added Menu Items

menu.h

@@ -6,14 +6,31 @@
 
 class Menu {
     public:
-        Menu(std::string text, char trigger)
+        Menu(std::string text, char trigger, std::string *items, int num_items)
         {
             this->text = text;
             this->trigger = trigger;
+            this->items = items;
+            this->num_items = num_items;
+            this->selected_item = 0;
         }
         int start_x;
         std::string text;
         char trigger;
+        std::string *items;
+        int num_items;
+        int selected_item;
+
+        void selectNextItem(){
+            selected_item++;
+            if (selected_item >= num_items)
+                selected_item = 0;
+        }
+        void selectPrevItem(){
+            selected_item--;
+            if (selected_item < 0)
+                selected_item = num_items - 1;
+        }
 };
 class MenuBar {
     public:
@@ -24,6 +41,12 @@ class MenuBar {
             this->num_menus = num_menus;
             this->selected_menu = -1;
 
+            int yMax,xMax,yBeg,xBeg;
+            getmaxyx(win,yMax,xMax);
+            getbegyx(win,yBeg,xBeg);
+            menuwin = newwin(yMax-2,xMax-2,yBeg+1,xBeg+1);
+            wrefresh(menuwin);
+
             int current_pos = 2;
 
             for (int i = 0; i < num_menus; i++)
@@ -33,28 +56,85 @@ class MenuBar {
             }
         }
 
-        void draw()
+        void reset()
         {
             for (int i = 0; i < num_menus; i++)
             {
                 int start_x = this->menus[i].start_x;
                 std::string text = this->menus[i].text;
-                if(selected_menu == i)
-                {
-                    wattron(win, A_STANDOUT);
-                }
-                mvwprintw(win,0,start_x,text.c_str());
-                if(selected_menu == i)
-                {
-                    wattroff(win, A_STANDOUT);
-                }
+                mvwprintw(win,0,start_x,"%s",text.c_str());
             }
             wrefresh(win);
         }
 
+        void draw()
+        {
+            for (int i = 0; i < num_menus; i++)
+            {
+                drawMenu(menus[i],selected_menu == i);
+            }
+            selected_menu = -1;
+            wrefresh(win);
+        }
+            
+        void drawMenu(Menu menu, bool is_selected)
+        {
+                int start_x = menu.start_x;
+                std::string text = menu.text;
+                if(is_selected)
+                {
+                    wattron(win, A_STANDOUT);
+                }
+                mvwprintw(win,0,start_x,"%s",text.c_str());
+                if(is_selected)
+                {
+                    wattroff(win, A_STANDOUT);
+                }
+                wrefresh(win);
+
+                char ch;
+                drawMenuItems(menu);
+                wrefresh(menuwin);
+                while(is_selected && (ch = wgetch(menuwin)))
+                {
+                    switch(ch)
+                    {
+                    case 'k':
+                        menu.selectNextItem();
+                        break;
+                    case 'j':
+                        menu.selectPrevItem();
+                        break;
+                    default:
+                        is_selected = false;
+                    }
+                    drawMenuItems(menu);
+                }
+                werase(menuwin);
+                wrefresh(menuwin);
+                reset();
+        }
+
+        void drawMenuItems(Menu menu)
+        {
+            int yMax,xMax;
+            getmaxyx(menuwin,yMax,xMax);
+            for (int i = 0; i<menu.num_items; i++)
+            {
+                mvwprintw(menuwin,i,0,"%s",menu.items[i].c_str());
+                if(menu.selected_item == i)
+                {
+                    mvwchgat(menuwin,i,0,xMax,A_NORMAL,1,NULL);
+                }
+                else
+                {
+                    mvwchgat(menuwin,i,0,xMax,A_STANDOUT,0,NULL);
+                }
+            }
+        }
+
         void handleTrigger(char trigger)
         {
-            selected_menu = -1;
             for (int i = 0; i < num_menus; i++)
             {
                 if(trigger == this->menus[i].trigger)
@@ -65,6 +145,7 @@ class MenuBar {
             }
         }
 
+        WINDOW *menuwin;
         WINDOW *win;
         Menu *menus;
         int num_menus;

tui.cpp

@@ -1,6 +1,4 @@
-#include <string>
 #include <stdlib.h>
-#include <stdio.h>
 #include <curses.h>
 #include "menu.h"
 
@@ -11,23 +9,35 @@ int main(int argc, char **argv){
     noecho();
     curs_set(0);
 
+    if(!has_colors())
+    {
+        return -1;
+    }
+
+    start_color();
+    init_pair(1, COLOR_WHITE,COLOR_BLUE);
+
     int yMax,xMax;
     getmaxyx(stdscr,yMax,xMax);
 
-    WINDOW *win = newwin(yMax/2,xMax/2,yMax/4,xMax/4);
+    WINDOW *win = newwin(yMax-1,xMax-1,yMax-yMax+1,xMax-xMax+1);
     box(win,0,0);
 
+    string menu1[] = {"New","Open","Save","Exit"};
+    string menu2[] = {"Copy","Cut","Paste"};
+    string menu3[] = {"Sidebar","Terminal"};
+
     Menu menus[3] = {
-        Menu("File",'f'),
-        Menu("Edit",'e'),
-        Menu("Options",'o'),
+        Menu("File",'f',menu1,4),
+        Menu("Edit",'e',menu2,3),
+        Menu("View",'v',menu3,2),
     };
 
     MenuBar menubar = MenuBar(win,menus,3);
     menubar.draw();
 
     char ch;
-    while(ch = wgetch(win)){
+    while((ch = wgetch(win))){
         menubar.handleTrigger(ch);
         menubar.draw();
     }