78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
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//
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// Created by caleb on 3/16/24.
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//
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#include <vector>
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#include <iostream>
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#include <ncurses.h>
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#include "simpleMenu.h"
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/*
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* Code ported over from my MP2 Project that generates a menu,
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* except now it's been modified so that it has a generic interface.
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* 4/12/2024 Update: It now has an option to display a menu title.
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*/
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int simpleMenu(std::vector<std::string>& menuItems, std::string menuTitle) {
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static int selection = 0;
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static int *selectionPointer = &selection;
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initscr();
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raw();
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keypad(stdscr, TRUE);
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noecho();
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//clear();
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int ch;
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do {
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switch (ch) {
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case KEY_UP:
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--selection;
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break;
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case KEY_DOWN:
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++selection;
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break;
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case '\n':
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getch();
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endwin();
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return selection;
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break;
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default:
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break;
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}
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// Ensure selection stays within bounds
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selection = (selection < 0) ? (menuItems.size() - 1) : selection;
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selection = (selection > (menuItems.size() - 1)) ? 0 : selection;
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clear();
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move(0, 0);
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printw("%s", printMenu(selectionPointer, menuItems, menuTitle).c_str());
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refresh();
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} while ((ch = getch()) != '#');
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getch();
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endwin();
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exit(0);
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}
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std::string printMenu(const int *selection, std::vector<std::string>& menu, std::string menuTitle) {
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std::string outputString = "";
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std::vector<std::string> cursor = {"> "};
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// append empty space to cursor var
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for (int i = 0; i < (menu.size() - 1); ++i) {
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cursor.emplace_back(" ");
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}
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std::string temp;
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for (int j = 0; j < *selection; ++j) {
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temp = cursor[j];
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cursor[j] = cursor[j + 1];
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cursor[j + 1] = temp;
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}
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//cursor[0] = temp;
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outputString.append(menuTitle);
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outputString.append("\nUse the arrow keys to navigate the menu. Press # to exit.\n");
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for (int i = 0; i < menu.size(); ++i) {
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outputString.append(cursor[i]);
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outputString.append(menu[i]);
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outputString.append("\n");
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}
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outputString.append("Current Selection: ").append(std::to_string(*selection)).append("\n");
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return outputString;
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}
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