52bf5abd92
break mixed form dialogs in conjunction with the FreeBSD termcap, making the bsdinstall partition editor Add dialog, among other things, completely nonfunctional. This restores dialog 20110707.
243 lines
6.2 KiB
C
243 lines
6.2 KiB
C
/*
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* $Id: pause.c,v 1.29 2011/06/29 09:48:53 tom Exp $
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*
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* pause.c -- implements the pause dialog
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*
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* Copyright 2004-2010,2011 Thomas E. Dickey
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License, version 2.1
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to
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* Free Software Foundation, Inc.
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* 51 Franklin St., Fifth Floor
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* Boston, MA 02110, USA.
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*
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* This is adapted from source contributed by
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* Yura Kalinichenko
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*/
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#include <dialog.h>
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#include <dlg_keys.h>
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#define MY_TIMEOUT 50
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#define MIN_HIGH (4)
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#define MIN_WIDE (10 + 2 * (2 + MARGIN))
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#define BTN_HIGH (1 + 2 * MARGIN)
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/*
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* This is like gauge, but can be interrupted.
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*
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* A pause box displays a meter along the bottom of the box. The meter
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* indicates how many seconds remain until the end of the pause. The pause
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* exits when timeout is reached (status OK) or the user presses:
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* OK button (status OK)
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* CANCEL button (status CANCEL)
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* Esc key (status ESC)
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*
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*/
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int
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dialog_pause(const char *title,
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const char *cprompt,
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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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/* *INDENT-OFF* */
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static DLG_KEYS_BINDING binding[] = {
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HELPKEY_BINDINGS,
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ENTERKEY_BINDINGS,
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DLG_KEYS_DATA( DLGK_ENTER, ' ' ),
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DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_DOWN ),
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DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_RIGHT ),
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DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ),
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DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_UP ),
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DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ),
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DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_LEFT ),
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END_KEYS_BINDING
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};
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/* *INDENT-ON* */
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#ifdef KEY_RESIZE
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int old_height = height;
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int old_width = width;
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#endif
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int i, x, y, step;
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int button = 0;
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int seconds_orig;
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WINDOW *dialog;
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const char **buttons = dlg_ok_labels();
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bool have_buttons = (dlg_button_count(buttons) != 0);
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int key = 0, fkey;
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int result = DLG_EXIT_UNKNOWN;
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int button_high = (have_buttons ? BTN_HIGH : MARGIN);
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int gauge_y;
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char *prompt = dlg_strclone(cprompt);
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curs_set(0);
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dlg_tab_correct_str(prompt);
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seconds_orig = (seconds > 0) ? seconds : 1;
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#ifdef KEY_RESIZE
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retry:
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height = old_height;
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width = old_width;
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#endif
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if (have_buttons) {
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dlg_auto_size(title, prompt, &height, &width,
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MIN_HIGH,
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MIN_WIDE);
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dlg_button_layout(buttons, &width);
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} else {
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dlg_auto_size(title, prompt, &height, &width,
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MIN_HIGH + MARGIN - BTN_HIGH,
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MIN_WIDE);
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}
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gauge_y = height - button_high - (1 + 2 * MARGIN);
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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_register_window(dialog, "pause", binding);
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dlg_register_buttons(dialog, "pause", buttons);
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dlg_mouse_setbase(x, y);
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nodelay(dialog, TRUE);
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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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dlg_draw_helpline(dialog, FALSE);
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wattrset(dialog, dialog_attr);
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dlg_print_autowrap(dialog, prompt, height, width);
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dlg_draw_box(dialog,
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gauge_y, 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, gauge_y + MARGIN, 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, gauge_y + MARGIN, (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, gauge_y + MARGIN, 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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mouse_mkbutton(height - 2, width / 2 - 4, 6, '\n');
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if (have_buttons) {
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dlg_draw_bottom_box(dialog);
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dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
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}
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(void) wrefresh(dialog);
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for (step = 0;
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(result == DLG_EXIT_UNKNOWN) && (step < 1000);
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step += MY_TIMEOUT) {
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napms(MY_TIMEOUT);
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key = dlg_mouse_wgetch_nowait(dialog, &fkey);
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if (key == ERR) {
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; /* ignore errors in nodelay mode */
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} else {
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if (dlg_result_key(key, fkey, &result))
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break;
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}
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switch (key) {
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#ifdef KEY_RESIZE
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case KEY_RESIZE:
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dlg_clear(); /* fill the background */
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dlg_del_window(dialog); /* delete this window */
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refresh(); /* get it all onto the terminal */
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goto retry;
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#endif
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case DLGK_FIELD_NEXT:
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button = dlg_next_button(buttons, button);
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if (button < 0)
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button = 0;
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dlg_draw_buttons(dialog,
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height - 2, 0,
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buttons, button,
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FALSE, width);
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break;
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case DLGK_FIELD_PREV:
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button = dlg_prev_button(buttons, button);
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if (button < 0)
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button = 0;
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dlg_draw_buttons(dialog,
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height - 2, 0,
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buttons, button,
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FALSE, width);
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break;
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case DLGK_ENTER:
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result = dlg_enter_buttoncode(button);
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break;
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case DLGK_MOUSE(0):
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result = DLG_EXIT_OK;
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break;
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case DLGK_MOUSE(1):
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result = DLG_EXIT_CANCEL;
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break;
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case ERR:
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break;
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default:
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break;
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}
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}
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} while ((result == DLG_EXIT_UNKNOWN) && (seconds-- > 0));
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nodelay(dialog, FALSE);
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curs_set(1);
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dlg_mouse_free_regions();
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dlg_del_window(dialog);
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free(prompt);
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return ((result == DLG_EXIT_UNKNOWN) ? DLG_EXIT_OK : result);
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}
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