lyrics: Fix deprecation warning when using C++20 standard

radioactiveman · radioactiveman · commit b921fefc4cf7 · 2025-11-30T15:16:07.000+01:00
See also: https://www.open-std.org/JTC1/SC22/WG21/docs/papers/2018/p0806r2.html
diff --git a/src/lyrics-common/chart_lyrics_provider.cc b/src/lyrics-common/chart_lyrics_provider.cc
@@ -87,7 +87,7 @@ bool ChartLyricsProvider::match (LyricsState state)
 {
     reset_lyric_metadata ();
 
-    auto handle_result_cb = [=] (const char * uri, const Index<char> & buf) {
+    auto handle_result_cb = [this, state] (const char * uri, const Index<char> & buf) {
         if (! buf.len ())
         {
             update_lyrics_window_error (str_printf (_("Unable to fetch %s"), uri));
@@ -144,7 +144,7 @@ void ChartLyricsProvider::fetch (LyricsState state)
         return;
     }
 
-    auto handle_result_cb = [=] (const char * uri, const Index<char> & buf) {
+    auto handle_result_cb = [this] (const char * uri, const Index<char> & buf) {
         if (! buf.len ())
         {
             update_lyrics_window_error (str_printf (_("Unable to fetch %s"), uri));

Original file line number	Diff line number	Diff line change
`@@ -87,7 +87,7 @@ bool ChartLyricsProvider::match (LyricsState state)`
`87`	`87`	`{`
`88`	`88`	`reset_lyric_metadata ();`
`89`	`89`
`90`		`- auto handle_result_cb = [=] (const char * uri, const Index<char> & buf) {`
	`90`	`+ auto handle_result_cb = [this, state] (const char * uri, const Index<char> & buf) {`
`91`	`91`	`if (! buf.len ())`
`92`	`92`	`{`
`93`	`93`	`update_lyrics_window_error (str_printf (_("Unable to fetch %s"), uri));`
`@@ -144,7 +144,7 @@ void ChartLyricsProvider::fetch (LyricsState state)`
`144`	`144`	`return;`
`145`	`145`	`}`
`146`	`146`
`147`		`- auto handle_result_cb = [=] (const char * uri, const Index<char> & buf) {`
	`147`	`+ auto handle_result_cb = [this] (const char * uri, const Index<char> & buf) {`
`148`	`148`	`if (! buf.len ())`
`149`	`149`	`{`
`150`	`150`	`update_lyrics_window_error (str_printf (_("Unable to fetch %s"), uri));`