Allow specifying pre-filled text for {msgwin,cancelable}_get_line.

Also remove an unused parameter.

1 files changed, 10 insertions, 2 deletions

diff --git a/crawl-ref/source/cio.cc b/crawl-ref/source/cio.cc
index 076c8eea86..7d36610079 100644
--- a/crawl-ref/source/cio.cc
+++ b/crawl-ref/source/cio.cc
@@ -157,7 +157,7 @@ static void wrapcprintf(int wrapcol, const char *s, ...)
 }
 
 int cancelable_get_line(char *buf, int len, input_history *mh,
-                        int (*keyproc)(int &ch))
+                        int (*keyproc)(int &ch), const string &fill)
 {
     flush_prev_message();
 
@@ -166,7 +166,7 @@ int cancelable_get_line(char *buf, int len, input_history *mh,
     reader.set_input_history(mh);
     reader.set_keyproc(keyproc);
 
-    return reader.read_line();
+    return reader.read_line(fill);
 }
 
 
@@ -290,6 +290,14 @@ static void _webtiles_abort_get_line()
 }
 #endif
 
+int line_reader::read_line(const string &prefill)
+{
+    strncpy(buffer, prefill.c_str(), bufsz);
+    // Just in case it was too long.
+    buffer[bufsz - 1] = '\0';
+    return read_line(false);
+}
+
 int line_reader::read_line(bool clear_previous)
 {
     if (bufsz <= 0)