Try to keep the cursor position when reloading lyrics

diff --git a/src/screen_lyrics.c b/src/screen_lyrics.c
index 604a051579ed87a982f8c15443396b92fddb011c..881db2989421b27682959df75a5331a15276e268 100644 (file)
--- a/src/screen_lyrics.c
+++ b/src/screen_lyrics.c
@@ -45,6 +45,8 @@ static struct screen_text text;
 
 static struct mpd_song *next_song;
 static bool follow = false;
+/** Set if the cursor position shall be kept during the next lyrics update. */
+static bool reloading = false;
 
 static struct {
        struct mpd_song *song;
@@ -172,7 +174,19 @@ delete_lyr_hd(void)
 static void
 screen_lyrics_set(const GString *str)
 {
-       screen_text_set(&text, str->str);
+       if (reloading) {
+               unsigned saved_start = text.lw->start;
+
+               screen_text_set(&text, str->str);
+
+               /* restore the cursor and ensure that it's still valid */
+               text.lw->start = saved_start;
+               list_window_fetch_cursor(text.lw);
+       } else {
+               screen_text_set(&text, str->str);
+       }
+
+       reloading = false;
 
        /* paint new data */
 
@@ -255,6 +269,7 @@ screen_lyrics_reload(void)
 {
        if (current.loader == NULL && current.artist != NULL &&
            current.title != NULL) {
+               reloading = true;
                current.loader = lyrics_load(current.artist, current.title,
                                             screen_lyrics_callback, NULL);
                screen_text_repaint(&text);