Implement dialog_prgbox() function which allows run program

(via pipe) with output to dialog box

1 files changed, 113 insertions, 0 deletions

diff --git a/gnu/lib/libdialog/prgbox.c b/gnu/lib/libdialog/prgbox.c
new file mode 100644
index 0000000..b9a6606
--- /dev/null
+++ b/gnu/lib/libdialog/prgbox.c
@@ -0,0 +1,113 @@
+/*
+ *  msgbox.c -- implements the message box and info box
+ *
+ *  AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+#include <dialog.h>
+#include "dialog.priv.h"
+
+
+/*
+ * Display a message box. Program will pause and display an "OK" button
+ * if the parameter 'pause' is non-zero.
+ */
+int dialog_prgbox(unsigned char *title, const char *line, int height, int width, int pause, int use_shell)
+{
+  int i, x, y, key = 0;
+  WINDOW *dialog;
+  FILE *f;
+  unsigned char *s, buf[MAX_LEN];
+
+  /* center dialog box on screen */
+  x = (COLS - width)/2;
+  y = (LINES - height)/2;
+
+#ifdef HAVE_NCURSES
+  if (use_shadow)
+    draw_shadow(stdscr, y, x, height, width);
+#endif
+  dialog = newwin(height, width, y, x);
+  keypad(dialog, TRUE);
+
+  draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
+
+  if (title != NULL) {
+    wattrset(dialog, title_attr);
+    wmove(dialog, 0, (width - strlen(title))/2 - 1);
+    waddch(dialog, ' ');
+    waddstr(dialog, title);
+    waddch(dialog, ' ');
+  }
+  wattrset(dialog, dialog_attr);
+  wmove(dialog, 1, 2);
+
+  if (!use_shell) {
+    char cmdline[MAX_LEN];
+    char *av[51], **ap = av, *val;
+    int first = 1;
+
+    strcpy(cmdline, line);
+    while ((val = strtok(first ? cmdline : NULL, " \t")) != NULL) {
+      first = 0;
+      *ap++ = val;
+    }
+    *ap = NULL;
+    f = raw_popen(av[0], av, "r");
+  } else
+    f = raw_popen(line, NULL, "r");
+
+  while (fgets(buf, sizeof(buf), f) != NULL) {
+    i = strlen(buf);
+    if (buf[i-1] == '\n')
+      buf[i-1] = '\0';
+    s = buf;
+    while ((s = strchr(s, '\t')) != NULL)
+      *s++ = ' ';
+    print_autowrap(dialog, buf, height-(pause?3:1), width-2, width, 1, 2, FALSE, TRUE);
+    print_autowrap(dialog, "\n", height-(pause?3:1), width-2, width, 1, 2, FALSE, FALSE);
+  }
+  raw_pclose(f);
+
+  if (pause) {
+    wattrset(dialog, border_attr);
+    wmove(dialog, height-3, 0);
+    waddch(dialog, ACS_LTEE);
+    for (i = 0; i < width-2; i++)
+      waddch(dialog, ACS_HLINE);
+    wattrset(dialog, dialog_attr);
+    waddch(dialog, ACS_RTEE);
+    wmove(dialog, height-2, 1);
+    for (i = 0; i < width-2; i++)
+    waddch(dialog, ' ');
+    print_button(dialog, "  OK  ", height-2, width/2-4, TRUE);
+    wrefresh(dialog);
+    while (key != ESC && key != '\n' && key != ' ' && key != '\r')
+      key = wgetch(dialog);
+    if (key == '\r')
+      key = '\n';
+  }
+  else {
+    key = '\n';
+    wrefresh(dialog);
+  }
+
+  delwin(dialog);
+  return (key == ESC ? -1 : 0);
+}
+/* End of dialog_msgbox() */