Code:
#include <curses.h>
#include <stdlib.h>
#define ENTER 10
#define ESCAPE 27
void init_curses()
{
initscr();
start_color();
init_pair(1,COLOR_RED,COLOR_WHITE);
init_pair(2,COLOR_BLUE,COLOR_WHITE);
init_pair(3,COLOR_RED,COLOR_WHITE);
curs_set(0);
noecho();
keypad(stdscr,TRUE);
}
WINDOW **draw_menu(int start_col)
{
int i;
WINDOW **items;
items=(WINDOW **)malloc(5*sizeof(WINDOW *));
items[0]=newwin(6,19,1,start_col);
wbkgd(items[0],COLOR_PAIR(0));
box(items[0],ACS_VLINE,ACS_HLINE);
items[1]=subwin(items[0],1,17,2,start_col+1);
items[2]=subwin(items[0],1,17,3,start_col+1);
items[3]=subwin(items[0],1,17,4,start_col+1);
items[4]=subwin(items[0],1,17,5,start_col+1);
for (i=1;i<5;i++)
wprintw(items[i],"Item%d",i);
wbkgd(items[1],COLOR_PAIR(1));
wrefresh(items[0]);
return items;
}
void delete_menu(WINDOW **items,int count)
{
int i;
for (i=0;i<count;i++)
delwin(items[i]);
free(items);
}
int scroll_menu(WINDOW **items,int count,int menu_start_col)
{
int key;
int selected=0;
while (1) {
key=getch();
if (key==KEY_DOWN || key==KEY_UP) {
wbkgd(items[selected+1],COLOR_PAIR(0));
wnoutrefresh(items[selected+1]);
if (key==KEY_DOWN) {
selected=(selected+1) % count;
} else {
selected=(selected+count-1) % count;
}
wbkgd(items[selected+1],COLOR_PAIR(1));
wnoutrefresh(items[selected+1]);
doupdate();
} else if (key==ESCAPE) {
return -1;
} else if (key==ENTER) {
return selected;
}
}
}
int main()
{
int key;
int selected_item;
init_curses();
// bkgd(COLOR_PAIR(1));
move(0,0);
printw("welcome to meh menu");
refresh();
WINDOW **menu_items;
menu_items=draw_menu(4);
selected_item=scroll_menu(menu_items,4,0);
delete_menu(menu_items,9);
touchwin(stdscr);
refresh();
endwin();
return 0;
}