zombies/Menu.c

#include <stdlib.h>
#include "Menu.h"

menu CreateMenu() {
    menu m = NULL;
    m = malloc(sizeof(Menu));
    m->choices = NULL;
    m->choices = calloc( NCHOICES + 1, sizeof(item) );
    if( m->choices == NULL ) return NULL;

    int i;
    for( i = 0; i < NCHOICES; ++i ) {
        m->choices[i] = new_item( MenuEntries[i].name, MenuEntries[i].description );
    }
    m->choices[NCHOICES] = NULL;
    m->framework = new_menu( m->choices );
    m->win = CreateWindow( 10, 40, 10, 20 );
    keypad( m->win, TRUE );
    set_menu_win( m->framework, m->win );
    set_menu_sub( m->framework, derwin( m->win, 8, 36, 2, 2 ) );
    set_menu_mark( m->framework, "" );
    box( m->win, 0, 0 );
    wrefresh(m->win);
    return m;
}

void PurgeMenu( menu m ) {
    int i = 0;
    while( m->choices[i] != NULL ) {
        DESTROY(m->choices[i]);
        ++i;
    }
    DESTROY(m->framework);
}

void LaunchMenu() {
    menu m = CreateMenu();
    post_menu(m->framework);
    int c;
    int quit = FALSE;
    item curr = malloc(sizeof(ITEM));
    wrefresh(m->win);
    while( !quit ) {
        c = getch();
        switch(c) {
            case KEY_DOWN: case 'j':
                menu_driver(m->framework, REQ_DOWN_ITEM);
                break;
            case KEY_UP: case 'k':
                menu_driver(m->framework, REQ_UP_ITEM);
                break;
            case 10: // Enter
                if(!curr) return;
                curr = current_item(m->framework);
                if( strcmp( "Quit", item_name(curr) ) == 0 ) {
                    quit = TRUE;
                } else if( strcmp( "Load", item_name(curr) ) == 0 ) {
                    unpost_menu(m->framework);
                    RunGame(TRUE); // Load = TRUE.
                    post_menu(m->framework);
                } else if( strcmp( "New", item_name(curr) ) == 0 ) {
                    unpost_menu(m->framework);
                    RunGame(FALSE); // Load = FALSE.
                    post_menu(m->framework);
                }
                break;
        }
        wrefresh(m->win);
    } 
    DESTROY(curr);
    PurgeMenu(m);
    DESTROY(m);
}