2 * $Id: progressbox.c,v 1.24 2014/01/12 20:53:44 tom Exp $
4 * progressbox.c -- implements the progress box
6 * Copyright 2005 Valery Reznic
7 * Copyright 2006-2012,2014 Thomas E. Dickey
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License as
11 * published by the Free Software Foundation; either version 2.1 of the
12 * License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this program; if not, write to
21 * Free Software Foundation, Inc.
22 * 51 Franklin St., Fifth Floor
23 * Boston, MA 02110, USA.
30 #define MIN_WIDE (10 + 2 * (2 + MARGIN))
35 char line[MAX_LEN + 1];
40 * Return current line of text.
43 get_line(MY_OBJ * obj)
45 FILE *fp = obj->obj.input;
50 if ((ch = getc(fp)) == EOF) {
64 if ((ch == TAB) && (dialog_vars.tab_correct)) {
65 tmpint = dialog_state.tab_len
66 - (col % dialog_state.tab_len);
67 for (j = 0; j < tmpint; j++) {
76 obj->line[col] = (char) ch;
81 obj->line[col] = '\0';
87 * Print a new line of text.
90 print_line(MY_OBJ * obj, WINDOW *win, int row, int width)
93 char *line = obj->line;
95 (void) wmove(win, row, 0); /* move cursor to correct line */
96 (void) waddch(win, ' ');
97 #ifdef NCURSES_VERSION
98 (void) waddnstr(win, line, MIN((int) strlen(line), width - 2));
100 line[MIN((int) strlen(line), width - 2)] = '\0';
106 /* Clear 'residue' of previous line */
107 for (i = 0; i < width - x; i++)
108 (void) waddch(win, ' ');
112 pause_for_ok(WINDOW *dialog, int height, int width)
115 static DLG_KEYS_BINDING binding[] = {
125 int result = DLG_EXIT_UNKNOWN;
126 const char **buttons = dlg_ok_label();
128 int save_nocancel = dialog_vars.nocancel;
131 dialog_vars.nocancel = TRUE;
132 button = dlg_default_button();
134 dlg_register_window(dialog, "progressbox", binding);
135 dlg_register_buttons(dialog, "progressbox", buttons);
137 dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
138 mouse_mkbutton(height - 2, width / 2 - 4, 6, '\n');
140 while (result == DLG_EXIT_UNKNOWN) {
145 dlg_draw_buttons(dialog,
151 key = dlg_mouse_wgetch(dialog, &fkey);
152 if (dlg_result_key(key, fkey, &result))
155 if (!fkey && (check = dlg_char_to_button(key, buttons)) >= 0) {
156 result = dlg_ok_buttoncode(check);
162 case DLGK_FIELD_NEXT:
163 button = dlg_next_button(buttons, button);
166 case DLGK_FIELD_PREV:
167 button = dlg_prev_button(buttons, button);
171 result = dlg_ok_buttoncode(button);
174 if (is_DLGK_MOUSE(key)) {
175 result = dlg_ok_buttoncode(key - M_EVENT);
177 result = DLG_EXIT_OK;
188 dlg_unregister_window(dialog);
190 dialog_vars.nocancel = save_nocancel;
195 dlg_progressbox(const char *title,
204 WINDOW *dialog, *text;
206 char *prompt = dlg_strclone(cprompt);
209 dlg_tab_correct_str(prompt);
210 dlg_auto_size(title, prompt, &height, &width, MIN_HIGH, MIN_WIDE);
211 dlg_print_size(height, width);
212 dlg_ctl_size(height, width);
214 x = dlg_box_x_ordinate(width);
215 y = dlg_box_y_ordinate(height);
216 thigh = height - (2 * MARGIN);
218 dialog = dlg_new_window(height, width, y, x);
220 dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
221 dlg_draw_title(dialog, title);
222 dlg_draw_helpline(dialog, FALSE);
224 if (*prompt != '\0') {
227 (void) wattrset(dialog, dialog_attr);
228 dlg_print_autowrap(dialog, prompt, height, width);
229 getyx(dialog, y2, x2);
232 wmove(dialog, y2, MARGIN);
233 for (i = 0; i < getmaxx(dialog) - 2 * MARGIN; i++)
234 (void) waddch(dialog, dlg_boxchar(ACS_HLINE));
239 /* Create window for text region, used for scrolling text */
240 text = dlg_sub_window(dialog,
242 width - (2 * MARGIN),
246 (void) wrefresh(dialog);
248 (void) wmove(dialog, thigh, (MARGIN + 1));
249 (void) wnoutrefresh(dialog);
251 obj = dlg_calloc(MY_OBJ, 1);
252 assert_ptr(obj, "dlg_progressbox");
255 obj->obj.win = dialog;
258 dlg_attr_clear(text, thigh, getmaxx(text), dialog_attr);
259 for (i = 0; get_line(obj); i++) {
261 print_line(obj, text, i, width - (2 * MARGIN));
263 scrollok(text, TRUE);
265 scrollok(text, FALSE);
266 print_line(obj, text, thigh - 1, width - (2 * MARGIN));
268 (void) wrefresh(text);
269 dlg_trace_win(dialog);
275 int need = 1 + MARGIN;
276 int base = thigh - need;
282 scrollok(text, TRUE);
286 (void) wrefresh(text);
287 result = pause_for_ok(dialog, height, width);
290 result = DLG_EXIT_OK;
293 dlg_del_window(dialog);
301 * Display text from a stdin in a scrolling window.
304 dialog_progressbox(const char *title, const char *cprompt, int height, int width)
307 result = dlg_progressbox(title,
312 dialog_state.pipe_input);
313 dialog_state.pipe_input = 0;