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/*
* $Id: pause.c,v 1.3 2004/12/20 23:42:34 tom Exp $
*
* pause.c -- implements the pause dialog
*
* AUTHOR: Yura Kalinichenko
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "dialog.h"
/*
* Display a gauge, or progress meter. Starts at percent% and reads stdin. If
* stdin is not XXX, then it is interpreted as a percentage, and the display is
* updated accordingly. Otherwise the next line is the percentage, and
* subsequent lines up to another XXX are used for the new prompt. Note that
* the size of the window never changes, so the prompt can not get any larger
* than the height and width specified.
*/
int
dialog_pause(const char *title,
const char *prompt,
int height,
int width,
int seconds)
{
int i, x, y;
int seconds_orig;
WINDOW *dialog;
const char **buttons = dlg_exit_label();
int key = 0, fkey;
int status = DLG_EXIT_OK;
seconds_orig = (seconds > 0) ? seconds : 1;
dlg_auto_size(title, prompt, &height, &width, 0, 0);
dlg_print_size(height, width);
dlg_ctl_size(height, width);
/* center dialog box on screen */
x = dlg_box_x_ordinate(width);
y = dlg_box_y_ordinate(height);
dialog = dlg_new_window(height, width, y, x);
dlg_mouse_setbase(x, y);
nodelay(dialog, TRUE);
curs_set(0);
do {
(void) werase(dialog);
dlg_draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
dlg_draw_title(dialog, title);
wattrset(dialog, dialog_attr);
dlg_print_autowrap(dialog, prompt, height, width - (2 * MARGIN));
dlg_draw_box(dialog,
height - 6, 2 + MARGIN,
2 + MARGIN, width - 2 * (2 + MARGIN),
dialog_attr,
border_attr);
/*
* Clear the area for the progress bar by filling it with spaces
* in the title-attribute, and write the percentage with that
* attribute.
*/
(void) wmove(dialog, height - 5, 4);
wattrset(dialog, title_attr);
for (i = 0; i < (width - 2 * (3 + MARGIN)); i++)
(void) waddch(dialog, ' ');
(void) wmove(dialog, height - 5, (width / 2) - 2);
(void) wprintw(dialog, "%3d", seconds);
/*
* Now draw a bar in reverse, relative to the background.
* The window attribute was useful for painting the background,
* but requires some tweaks to reverse it.
*/
x = (seconds * (width - 2 * (3 + MARGIN))) / seconds_orig;
if ((title_attr & A_REVERSE) != 0) {
wattroff(dialog, A_REVERSE);
} else {
wattrset(dialog, A_REVERSE);
}
(void) wmove(dialog, height - 5, 4);
for (i = 0; i < x; i++) {
chtype ch = winch(dialog);
if (title_attr & A_REVERSE) {
ch &= ~A_REVERSE;
}
(void) waddch(dialog, ch);
}
dlg_draw_bottom_box(dialog);
mouse_mkbutton(height - 2, width / 2 - 4, 6, '\n');
dlg_draw_buttons(dialog, height - 2, 0, buttons, FALSE, FALSE, width);
(void) wrefresh(dialog);
napms(1000);
key = dlg_mouse_wgetch_nowait(dialog, &fkey);
if (key != ERR) {
status = DLG_EXIT_CANCEL;
break;
}
} while (seconds-- > 0);
curs_set(1);
dlg_del_window(dialog);
return (status);
}
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