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Diffstat (limited to 'Build/source/utils/dialog/dialog-1.1-20100428/progressbox.c')
| -rw-r--r-- | Build/source/utils/dialog/dialog-1.1-20100428/progressbox.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/Build/source/utils/dialog/dialog-1.1-20100428/progressbox.c b/Build/source/utils/dialog/dialog-1.1-20100428/progressbox.c new file mode 100644 index 00000000000..b470dc11d30 --- /dev/null +++ b/Build/source/utils/dialog/dialog-1.1-20100428/progressbox.c @@ -0,0 +1,187 @@ +/* + * $Id: progressbox.c,v 1.8 2010/01/12 10:46:24 tom Exp $ + * + * progressbox.c -- implements the progress box + * + * Copyright 2005 Valery Reznic + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, write to + * Free Software Foundation, Inc. + * 51 Franklin St., Fifth Floor + * Boston, MA 02110, USA. + */ + +#include <dialog.h> +#include <dlg_keys.h> + +#define MIN_HIGH (4) +#define MIN_WIDE (10 + 2 * (2 + MARGIN)) + +typedef struct { + DIALOG_CALLBACK obj; + WINDOW *text; + char line[MAX_LEN + 1]; + int is_eof; +} MY_OBJ; + +/* + * Return current line of text. + */ +static char * +get_line(MY_OBJ * obj) +{ + FILE *fp = obj->obj.input; + int col = 0; + int j, tmpint, ch; + + while (1) { + if ((ch = getc(fp)) == EOF) { + obj->is_eof = 1; + if (col) { + break; + } else { + return NULL; + } + } + if (ch == '\n') + break; + if (ch == '\r') + break; + if ((ch == TAB) && (dialog_vars.tab_correct)) { + tmpint = dialog_state.tab_len + - (col % dialog_state.tab_len); + for (j = 0; j < tmpint; j++) { + if (col < MAX_LEN) + obj->line[col] = ' '; + ++col; + } + } else { + obj->line[col] = (char) ch; + ++col; + } + if (col >= MAX_LEN) + break; + } + + obj->line[col] = '\0'; + + return obj->line; +} + +/* + * Print a new line of text. + */ +static void +print_line(MY_OBJ * obj, WINDOW *win, int row, int width) +{ + int i, y, x; + char *line = obj->line; + + (void) wmove(win, row, 0); /* move cursor to correct line */ + (void) waddch(win, ' '); +#ifdef NCURSES_VERSION + (void) waddnstr(win, line, MIN((int) strlen(line), width - 2)); +#else + line[MIN((int) strlen(line), width - 2)] = '\0'; + waddstr(win, line); +#endif + + getyx(win, y, x); + /* Clear 'residue' of previous line */ + for (i = 0; i < width - x; i++) + (void) waddch(win, ' '); +} + +/* + * Display text from a stdin in a scrolling window. + */ +int +dialog_progressbox(const char *title, const char *cprompt, int height, int width) +{ + int i; + int x, y, thigh; + WINDOW *dialog, *text; + MY_OBJ *obj; + FILE *fd = dialog_state.pipe_input; + char *prompt = dlg_strclone(cprompt); + + dlg_tab_correct_str(prompt); + dlg_auto_size(title, prompt, &height, &width, MIN_HIGH, MIN_WIDE); + dlg_print_size(height, width); + dlg_ctl_size(height, width); + + x = dlg_box_x_ordinate(width); + y = dlg_box_y_ordinate(height); + thigh = height - (2 * MARGIN); + + dialog = dlg_new_window(height, width, y, x); + + dlg_draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); + dlg_draw_title(dialog, title); + + if (*prompt != '\0') { + int y2, x2; + + wattrset(dialog, dialog_attr); + dlg_print_autowrap(dialog, prompt, height, width); + getyx(dialog, y2, x2); + ++y2; + wmove(dialog, y2, MARGIN); + for (i = 0; i < getmaxx(dialog) - 2 * MARGIN; i++) + (void) waddch(dialog, dlg_boxchar(ACS_HLINE)); + y += y2; + thigh -= y2; + } + + /* Create window for text region, used for scrolling text */ + text = dlg_sub_window(dialog, + thigh, + width - (2 * MARGIN), + y + MARGIN, + x + MARGIN); + + (void) wrefresh(dialog); + + (void) wmove(dialog, thigh, (MARGIN + 1)); + (void) wnoutrefresh(dialog); + + obj = dlg_calloc(MY_OBJ, 1); + assert_ptr(obj, "dialog_progressbox"); + + obj->obj.input = fd; + obj->obj.win = dialog; + obj->text = text; + + dlg_attr_clear(text, thigh, getmaxx(text), dialog_attr); + for (i = 0; get_line(obj); i++) { + if (i < thigh) { + print_line(obj, text, i, width - (2 * MARGIN)); + } else { + scrollok(text, TRUE); + scroll(text); + scrollok(text, FALSE); + print_line(obj, text, thigh - 1, width - (2 * MARGIN)); + } + (void) wnoutrefresh(text); + (void) wrefresh(text); + if (obj->is_eof) + break; + } + dlg_unregister_window(text); + dlg_del_window(dialog); + free(prompt); + free(obj); + + return DLG_EXIT_OK; +} |