Add a comment about relative positions of image overlay in the rc file.

diff --git a/src/rcfile.c b/src/rcfile.c
index 669f9fd..0a862de 100644 (file)
--- a/src/rcfile.c
+++ b/src/rcfile.c
@@ -491,6 +491,13 @@ static gboolean save_options_to(const gchar *utf8_path, ConfOptions *options)
        WRITE_UINT(image_overlay.common.state);
        WRITE_BOOL(image_overlay.common.show_at_startup);
        WRITE_CHAR(image_overlay.common.template_string);
+       WRITE_SEPARATOR();
+
+       secure_fprintf(ssi, "# these are relative positions:\n");
+       secure_fprintf(ssi, "# x >= 0: |x| pixels from left border\n");
+       secure_fprintf(ssi, "# x < 0 : |x| pixels from right border\n");
+       secure_fprintf(ssi, "# y >= 0: |y| pixels from top border\n");
+       secure_fprintf(ssi, "# y < 0 : |y| pixels from bottom border\n");
        WRITE_INT(image_overlay.common.x);
        WRITE_INT(image_overlay.common.y);