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