menu code is looking better (5585e774) · Commits · Chris / yahtc

menu.c

+81 −61

Original line number	Diff line number	Diff line
		// menu.c

		#include <stdio.h>
		#include <string.h>
		#include "menu.h"

		enum MENU_DIRECTION get_direction();

		char menu_prompt(const menu_item items, const unsigned int num_menu_items) {
		for (int i = 0; i < num_menu_items; i++) {
		printf("\n"); // make downward room for the menu
		@@ -25,20 +28,45 @@ char menu_prompt(const menu_item items, const unsigned int num_menu_items) {
		}
		printf("%s\n", items[i].title);
		}

		enum MENU_DIRECTION direction = get_direction();

		switch (direction) {
		case DOWN:
		if (hovered_selection_index < num_menu_items - 1) {
		hovered_selection_index++;
		}
		break;
		case UP:
		if (hovered_selection_index > 0) {
		hovered_selection_index--;
		}
		break;
		case SELECT:
		selected_action = items[hovered_selection_index].command; // choose the hovered + selected item
		break;
		default:
		break;
		}
		} while (strcasecmp(selected_action, "") == 0);

		return selected_action;
		}

		enum MENU_DIRECTION get_direction() {
		// todo test (+ fix) all of this character grabbing stuff in windows - use conio.h as included above
		char key_pressed = (char) getchar(); // with terminal set to raw mode, this will no longer wait for Enter key; note that Enter key is handled with \n case

		// handle arrow key press: we have to do it this way because the arrow keys send more than one character
		if (key_pressed == '\033') {
		getchar(); // skip over the '[' from the arrow key press
		key_pressed = (char) getchar();

		switch (key_pressed) {
		case 'B':
		key_pressed = 'j'; // todo messy! make this better
		break;
		return DOWN;
		case 'A':
		key_pressed = 'k'; // todo messy! make this better
		break;
		return UP;
		default:
		break;
		}
		@@ -49,25 +77,17 @@ char menu_prompt(const menu_item items, const unsigned int num_menu_items) {
		case 'J':
		case 's':
		case 'S':
		if (hovered_selection_index < num_menu_items - 1) {
		hovered_selection_index++;
		}
		break;
		return DOWN;
		case 'k':
		case 'K':
		case 'w':
		case 'W':
		if (hovered_selection_index > 0) {
		hovered_selection_index--;
		}
		break;
		return UP;
		case '\n':
		selected_action = items[hovered_selection_index].command; // choose the hovered + selected item
		break;
		return SELECT;
		default:
		break;
		return NONE;
		}
		} while (selected_action == "");

		return selected_action;

		}

menu.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -8,6 +8,8 @@
		enum MENU_DIRECTION {
		DOWN,
		UP,
		SELECT,
		NONE,
		};

		typedef struct {