107 lines
2.6 KiB
C
107 lines
2.6 KiB
C
#include <ncurses.h>
|
|
|
|
#define WIDTH 30
|
|
#define HEIGHT 10
|
|
|
|
int startx = 0;
|
|
int starty = 0;
|
|
|
|
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);
|
|
void report_choice(int mouse_x, int mouse_y, int *p_choice);
|
|
|
|
int main()
|
|
{ int c, choice = 0;
|
|
WINDOW *menu_win;
|
|
MEVENT event;
|
|
|
|
/* Initialize curses */
|
|
initscr();
|
|
clear();
|
|
noecho();
|
|
cbreak(); //Line buffering disabled. pass on everything
|
|
|
|
/* Try to put the window in the middle of screen */
|
|
startx = (80 - WIDTH) / 2;
|
|
starty = (24 - HEIGHT) / 2;
|
|
|
|
attron(A_REVERSE);
|
|
mvprintw(23, 1, "Click on Exit to quit (Works best in a virtual console)");
|
|
refresh();
|
|
attroff(A_REVERSE);
|
|
|
|
/* Print the menu for the first time */
|
|
menu_win = newwin(HEIGHT, WIDTH, starty, startx);
|
|
print_menu(menu_win, 1);
|
|
/* Get all the mouse events */
|
|
mousemask(ALL_MOUSE_EVENTS, NULL);
|
|
|
|
while(1)
|
|
{ c = wgetch(menu_win);
|
|
switch(c)
|
|
{ case KEY_MOUSE:
|
|
if(getmouse(&event) == OK)
|
|
{ /* When the user clicks left mouse button */
|
|
if(event.bstate & BUTTON1_PRESSED)
|
|
{ report_choice(event.x + 1, event.y + 1, &choice);
|
|
if(choice == -1) //Exit chosen
|
|
goto end;
|
|
mvprintw(22, 1, "Choice made is : %d String Chosen is \"%10s\"", choice, choices[choice - 1]);
|
|
refresh();
|
|
}
|
|
}
|
|
print_menu(menu_win, choice);
|
|
break;
|
|
}
|
|
}
|
|
end:
|
|
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)
|
|
{ wattron(menu_win, A_REVERSE);
|
|
mvwprintw(menu_win, y, x, "%s", choices[i]);
|
|
wattroff(menu_win, A_REVERSE);
|
|
}
|
|
else
|
|
mvwprintw(menu_win, y, x, "%s", choices[i]);
|
|
++y;
|
|
}
|
|
wrefresh(menu_win);
|
|
}
|
|
|
|
/* Report the choice according to mouse position */
|
|
void report_choice(int mouse_x, int mouse_y, int *p_choice)
|
|
{ int i,j, choice;
|
|
|
|
i = startx + 2;
|
|
j = starty + 3;
|
|
|
|
for(choice = 0; choice < n_choices; ++choice)
|
|
if(mouse_y == j + choice && mouse_x >= i && mouse_x <= i + strlen(choices[choice]))
|
|
{ if(choice == n_choices - 1)
|
|
*p_choice = -1;
|
|
else
|
|
*p_choice = choice + 1;
|
|
break;
|
|
}
|
|
}
|