X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=terminal.c;h=c0c809c6c7751326b21bed9b4664885461ac7da3;hb=d5aa23c1160e7bf866a0f4ff62c652c8b363a662;hp=aaf8705a5f4eafab90020394f273dee7d9d085cd;hpb=97ca111e2953a18c8f75238d2c5bfb0d6017e4eb;p=PuTTY.git

diff --git a/terminal.c b/terminal.c
index aaf8705a..c0c809c6 100644
--- a/terminal.c
+++ b/terminal.c
@@ -5136,6 +5136,31 @@ void term_scroll(Terminal *term, int rel, int where)
     term_update(term);
 }
 
+/*
+ * Scroll the scrollback to centre it on the beginning or end of the
+ * current selection, if any.
+ */
+void term_scroll_to_selection(Terminal *term, int which_end)
+{
+    pos target;
+    int y;
+    int sbtop = -sblines(term);
+
+    if (term->selstate != SELECTED)
+	return;
+    if (which_end)
+	target = term->selend;
+    else
+	target = term->selstart;
+
+    y = target.y - term->rows/2;
+    if (y < sbtop)
+	y = sbtop;
+    else if (y > 0)
+	y = 0;
+    term_scroll(term, -1, y);
+}
+
 /*
  * Helper routine for clipme(): growing buffer.
  */