encoding: simplify handling of encoding in TUI

src/nvim/option.c

@@ -2312,10 +2312,6 @@ did_set_string_option (
        * (with another encoding). */
       if (varp == &p_enc && *curbuf->b_p_keymap != NUL)
         (void)keymap_init();
-
-      if (varp == &p_enc) {
-        ui_update_encoding();
-      }
     }
   } else if (varp == &p_penc) {
     /* Canonize printencoding if VIM standard one */

src/nvim/tui/input.c

@@ -25,7 +25,9 @@ void term_input_init(TermInput *input, Loop *loop)
   if (!term) {
     term = "";  // termkey_new_abstract assumes non-null (#2745)
   }
-  input->tk = termkey_new_abstract(term, 0);
+  int enc_flag = enc_utf8 ? TERMKEY_FLAG_UTF8 : TERMKEY_FLAG_RAW;
+  input->tk = termkey_new_abstract(term, enc_flag);
+
   int curflags = termkey_get_canonflags(input->tk);
   termkey_set_canonflags(input->tk, curflags | TERMKEY_CANON_DELBS);
   // setup input handle
@@ -57,13 +59,6 @@ void term_input_stop(TermInput *input)
   time_watcher_stop(&input->timer_handle);
 }
 
-void term_input_set_encoding(TermInput *input, char* enc)
-{
-  int enc_flag = strcmp(enc, "utf-8") == 0 ? TERMKEY_FLAG_UTF8
-                                           : TERMKEY_FLAG_RAW;
-  termkey_set_flags(input->tk, enc_flag);
-}
-
 static void input_enqueue_event(void **argv)
 {
   char *buf = argv[0];

src/nvim/tui/tui.c

@@ -99,7 +99,6 @@ UI *tui_start(void)
   ui->suspend = tui_suspend;
   ui->set_title = tui_set_title;
   ui->set_icon = tui_set_icon;
-  ui->set_encoding = tui_set_encoding;
   return ui_bridge_attach(ui, tui_main, tui_scheduler);
 }
 
@@ -625,12 +624,6 @@ static void tui_set_icon(UI *ui, char *icon)
 {
 }
 
-static void tui_set_encoding(UI *ui, char* enc)
-{
-  TUIData *data = ui->data;
-  term_input_set_encoding(&data->input, enc);
-}
-
 static void invalidate(UI *ui, int top, int bot, int left, int right)
 {
   TUIData *data = ui->data;

src/nvim/ui.c

@@ -113,11 +113,6 @@ void ui_set_icon(char *icon)
   UI_CALL(flush);
 }
 
-void ui_update_encoding(void)
-{
-  UI_CALL(set_encoding, (char*)p_enc);
-}
-
 // May update the shape of the cursor.
 void ui_cursor_shape(void)
 {
@@ -188,7 +183,6 @@ void ui_attach(UI *ui)
   }
 
   uis[ui_count++] = ui;
-  ui_update_encoding();
   ui_refresh();
 }
 

src/nvim/ui.h

@@ -38,7 +38,6 @@ struct ui_t {
   void (*suspend)(UI *ui);
   void (*set_title)(UI *ui, char *title);
   void (*set_icon)(UI *ui, char *icon);
-  void (*set_encoding)(UI *ui, char *enc);
   void (*stop)(UI *ui);
 };
 

src/nvim/ui_bridge.c

@@ -52,7 +52,6 @@ UI *ui_bridge_attach(UI *ui, ui_main_fn ui_main, event_scheduler scheduler)
   rv->bridge.suspend = ui_bridge_suspend;
   rv->bridge.set_title = ui_bridge_set_title;
   rv->bridge.set_icon = ui_bridge_set_icon;
-  rv->bridge.set_encoding = ui_bridge_set_encoding;
   rv->scheduler = scheduler;
 
   rv->ui_main = ui_main;
@@ -334,14 +333,3 @@ static void ui_bridge_set_icon_event(void **argv)
   ui->set_icon(ui, argv[1]);
   xfree(argv[1]);
 }
-
-static void ui_bridge_set_encoding(UI *b, char* enc)
-{
-  UI_CALL(b, set_encoding, 2, b, xstrdup(enc));
-}
-static void ui_bridge_set_encoding_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->set_encoding(ui, argv[1]);
-  xfree(argv[1]);
-}