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Diffstat (limited to 'Build/source/utils/dialog/dialog-1.1-20080819/progressbox.c')
-rw-r--r--Build/source/utils/dialog/dialog-1.1-20080819/progressbox.c187
1 files changed, 187 insertions, 0 deletions
diff --git a/Build/source/utils/dialog/dialog-1.1-20080819/progressbox.c b/Build/source/utils/dialog/dialog-1.1-20080819/progressbox.c
new file mode 100644
index 00000000000..5d4b6e4edf8
--- /dev/null
+++ b/Build/source/utils/dialog/dialog-1.1-20080819/progressbox.c
@@ -0,0 +1,187 @@
+/*
+ * $Id: progressbox.c,v 1.7 2007/04/08 16:33:06 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] = 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;
+}