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tetex-bin  3.0
Functions
yesno.c File Reference
#include "dialog.h"

Go to the source code of this file.

Functions

int dialog_yesno (char *title, char *prompt, int height, int width)

Function Documentation

int dialog_yesno ( char *  title,
char *  prompt,
int  height,
int  width 
)

Definition at line 28 of file yesno.c.

{
  int i, x, y, key = 0, button = 0;
  WINDOW *dialog;

  /* center dialog box on screen */
  x = (COLS - width)/2;
  y = (LINES - height)/2;
  
#ifdef HAVE_NCURSES
  if (use_shadow)
    draw_shadow(stdscr, y, x, height, width);
#endif
  dialog = newwin(height, width, y, x);
  keypad(dialog, TRUE);

  draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
  wattrset(dialog, border_attr);
  wmove(dialog, height-3, 0);
  waddch(dialog, ACS_LTEE);
  for (i = 0; i < width-2; i++)
    waddch(dialog, ACS_HLINE);
  wattrset(dialog, dialog_attr);
  waddch(dialog, ACS_RTEE);
  wmove(dialog, height-2, 1);
  for (i = 0; i < width-2; i++)
    waddch(dialog, ' ');

  if (title != NULL) {
    wattrset(dialog, title_attr);
    wmove(dialog, 0, (width - strlen(title))/2 - 1);
    waddch(dialog, ' ');
    waddstr(dialog, title);
    waddch(dialog, ' ');
  }
  wattrset(dialog, dialog_attr);
  print_autowrap(dialog, prompt, width, 1, 3);

  x = width/2-10;
  y = height-2;
  print_button(dialog, "  No  ", y, x+13, FALSE);
  print_button(dialog, " Yes ", y, x, TRUE);
  wrefresh(dialog);

  while (key != ESC) {
    key = wgetch(dialog);
    switch (key) {
      case 'Y':
      case 'y':
        delwin(dialog);
        return 0;
      case 'N':
      case 'n':
        delwin(dialog);
        return 1;
      case TAB:
      case KEY_UP:
      case KEY_DOWN:
      case KEY_LEFT:
      case KEY_RIGHT:
        if (!button) {
          button = 1;    /* Indicates "No" button is selected */
          print_button(dialog, " Yes ", y, x, FALSE);
          print_button(dialog, "  No  ", y, x+13, TRUE);
        }
        else {
          button = 0;    /* Indicates "Yes" button is selected */
          print_button(dialog, "  No  ", y, x+13, FALSE);
          print_button(dialog, " Yes ", y, x, TRUE);
        }
        wrefresh(dialog);
        break;
      case ' ':
      case '\n':
        delwin(dialog);
        return button;
      case ESC:
        break;
    }
  }

  delwin(dialog);
  return -1;    /* ESC pressed */
}

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