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#include <ncurses.h>
// http://tldp.org/HOWTO/NCURSES-Programming-HOWTO/printw.html
#include <stdio.h>
#include <ncurses.h>
#define WIDTH 50
#define HEIGHT 20
int startx = 0;
int starty = 0;
/*
COLOR_BLACK 0
COLOR_RED 1
COLOR_GREEN 2
COLOR_YELLOW 3
COLOR_BLUE 4
COLOR_MAGENTA 5
COLOR_CYAN 6
COLOR_WHITE 7
*/
char *choices[] = {
"Choice 1",
"Choice 2",
"Choice 3",
"Choice 4",
"Exit",
};
int n_choices = sizeof(choices) / sizeof(char *);
void print_menu(WINDOW *menu_win, int highlight);
int main()
{ WINDOW *menu_win;
int highlight = 1;
int choice = 0;
int c;
initscr();
clear();
noecho();
cbreak(); /* Line buffering disabled. pass on everything */
startx = (80 - WIDTH) / 2;
starty = (24 - HEIGHT) / 2;
start_color(); /* Start color */
init_pair(1, COLOR_BLACK, COLOR_WHITE);
init_pair(2, COLOR_WHITE, COLOR_BLUE);
menu_win = newwin(HEIGHT, WIDTH, starty, startx);
wbkgd(menu_win, COLOR_PAIR(2));
keypad(menu_win, TRUE);
/*
nodelay(menu_win,FALSE);
notimeout(menu_win,FALSE);
wtimeout(menu_win,-1);
*/
mvprintw(0, 0, "Use W/S/A/D to go up and down, Press enter to select a choice");
refresh();
print_menu(menu_win, highlight);
while(1)
{
choice=0;
int y=0;
while(1)
{ c = wgetch(menu_win);
mvprintw(y++,0, "%3d / '%c'", c, c);
y%=24;
refresh();
switch(c)
{ case 'w':
case KEY_UP:
if(highlight == 1)
highlight = n_choices;
else
--highlight;
break;
case 's':
case KEY_DOWN:
if(highlight == n_choices)
highlight = 1;
else
++highlight;
break;
case 10:
choice = highlight;
break;
}
print_menu(menu_win, highlight);
if(choice != 0) /* User did a choice come out of the infinite loop */
break;
}
mvprintw(23, 0, "You chose choice %d with choice string %s\n", choice, choices[choice - 1]);
char *argv1[]={"xterm","/bin/fsh",0};
char *env1[]={"HOME=/home/miguel","PS1=\033[34m$\033[37m","PWD=/home/miguel","PATH=/bin","TERM=fool-term",0};
int pid=_fork();
if(pid==0)
{
_execve("/bin/xterm",argv1,env1);
}
}
clrtoeol();
refresh();
endwin();
return 0;
}
void print_menu(WINDOW *menu_win, int highlight)
{
int x, y, i;
x = 2;
y = 2;
box(menu_win, 0, 0);
for(i = 0; i < n_choices; ++i)
{ if(highlight == i + 1) /* High light the present choice */
{ wattron(menu_win, COLOR_PAIR(1));
mvwprintw(menu_win, y, x, ">> %40s <<", choices[i]);
wattroff(menu_win, COLOR_PAIR(1));
}
else
mvwprintw(menu_win, y, x, " %40s ", choices[i]);
++y;
}
wrefresh(menu_win);
}
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