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-rw-r--r--src/utils.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/utils.c b/src/utils.c
index 8ddbe59..92c9d2b 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -191,6 +191,48 @@ status_mesg_yesno (const char *msg)
status_mesg (msg, "[y/n] ");
}
+/*
+ * Prompts the user to make a choice between named alternatives.
+ *
+ * The available choices are described by a string of the form
+ * "[ynp]". The first and last char are ignored (they are only here to
+ * make the translators' life easier), and every other char indicates
+ * a key the user is allowed to press.
+ *
+ * Returns the index of the key pressed by the user (starting from 1),
+ * or -1 if the user doesn't want to answer (e.g. by escaping).
+ */
+int
+status_ask_choice(const char *message, const char choice[], int nb_choice)
+{
+ int i, ch;
+ char tmp[BUFSIZ];
+ /* "[4/2/f/t/w/.../Z] " */
+ char avail_choice[2 * nb_choice + 3];
+
+ avail_choice[0] = '[';
+ avail_choice[1] = '\0';
+
+ for (i = 1; i <= nb_choice; i++)
+ {
+ sprintf (tmp, (i == nb_choice) ? "%c] " : "%c/", choice[i]);
+ strcat (avail_choice, tmp);
+ }
+
+ status_mesg (message, avail_choice);
+
+ for (;;)
+ {
+ ch = wgetch (win[STA].p);
+ for (i = 1; i <= nb_choice; i++)
+ if (ch == choice[i])
+ return i;
+ if (ch == ESCAPE)
+ return (-1);
+ /* TODO: handle resize events. */
+ }
+}
+
/* Erase part of a window. */
void
erase_window_part (WINDOW *win, int first_col, int first_row, int last_col,