Basic Menu System

menu.h

@@ -0,0 +1,74 @@
+#include <string>
+#include <curses.h>
+
+#ifndef _MENU_H_
+#define _MENU_H_
+
+class Menu {
+    public:
+        Menu(std::string text, char trigger)
+        {
+            this->text = text;
+            this->trigger = trigger;
+        }
+        int start_x;
+        std::string text;
+        char trigger;
+};
+class MenuBar {
+    public:
+        MenuBar(WINDOW *win,Menu *menus, int num_menus)
+        {
+            this->win = win;
+            this->menus = menus;
+            this->num_menus = num_menus;
+            this->selected_menu = -1;
+            
+            int current_pos = 2;
+
+            for (int i = 0; i < num_menus; i++)
+            {
+                this->menus[i].start_x=current_pos;
+                current_pos += this->menus[i].text.length() + 1;
+            }
+        }
+
+        void draw()
+        {
+            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);
+                }
+            }
+            wrefresh(win);
+        }
+            
+        void handleTrigger(char trigger)
+        {
+            selected_menu = -1;
+            for (int i = 0; i < num_menus; i++)
+            {
+                if(trigger == this->menus[i].trigger)
+                {
+                    selected_menu = i;
+                    break;
+                }
+            }
+        }
+
+        WINDOW *win;
+        Menu *menus;
+        int num_menus;
+        int selected_menu;
+};
+
+#endif

tui.cpp

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+#include <string>
+#include <stdlib.h>
+#include <stdio.h>
+#include <curses.h>
+#include "menu.h"
+
+using namespace std;
+
+int main(int argc, char **argv){
+    initscr();
+    noecho();
+    curs_set(0);
+
+    int yMax,xMax;
+    getmaxyx(stdscr,yMax,xMax);
+
+    WINDOW *win = newwin(yMax/2,xMax/2,yMax/4,xMax/4);
+    box(win,0,0);
+
+    Menu menus[3] = {
+        Menu("File",'f'),
+        Menu("Edit",'e'),
+        Menu("Options",'o'),
+    };
+
+    MenuBar menubar = MenuBar(win,menus,3);
+    menubar.draw();
+
+    char ch;
+    while(ch = wgetch(win)){
+        menubar.handleTrigger(ch);
+        menubar.draw();
+    }
+
+    endwin();
+    return 0;
+}
+
+