Changes for new VTermColor struct

src/nvim/terminal.c

@@ -152,7 +152,6 @@ static VTermScreenCallbacks vterm_screen_callbacks = {
 };
 
 static PMap(ptr_t) *invalidated_terminals;
-static Map(int, int) *color_indexes;
 static int default_vt_fg, default_vt_bg;
 static VTermColor default_vt_bg_rgb;
 
@@ -163,33 +162,13 @@ void terminal_init(void)
   // refresh_timer_cb will redraw the screen which can call vimscript
   refresh_timer.events = multiqueue_new_child(main_loop.events);
 
-  // initialize a rgb->color index map for cterm attributes(VTermScreenCell
-  // only has RGB information and we need color indexes for terminal UIs)
-  color_indexes = map_new(int, int)();
   VTerm *vt = vterm_new(24, 80);
   VTermState *state = vterm_obtain_state(vt);
 
-  for (int color_index = 255; color_index >= 0; color_index--) {
-    VTermColor color;
-    // Some of the default 16 colors has the same color as the later
-    // 240 colors. To avoid collisions, we will use the custom colors
-    // below in non true color mode.
-    if (color_index < 16) {
-      color.red = 0;
-      color.green = 0;
-      color.blue = (uint8_t)(color_index + 1);
-    } else {
-      vterm_state_get_palette_color(state, color_index, &color);
-    }
-    map_put(int, int)(color_indexes,
-                      RGB_(color.red, color.green, color.blue),
-                      color_index + 1);
-  }
-
   VTermColor fg, bg;
   vterm_state_get_default_colors(state, &fg, &bg);
-  default_vt_fg = RGB_(fg.red, fg.green, fg.blue);
+  default_vt_fg = RGB_(fg.rgb.red, fg.rgb.green, fg.rgb.blue);
-  default_vt_bg = RGB_(bg.red, bg.green, bg.blue);
+  default_vt_bg = RGB_(bg.rgb.red, bg.rgb.green, bg.rgb.blue);
   default_vt_bg_rgb = bg;
   vterm_free(vt);
 }
@@ -200,7 +179,6 @@ void terminal_teardown(void)
   multiqueue_free(refresh_timer.events);
   time_watcher_close(&refresh_timer, NULL);
   pmap_free(ptr_t)(invalidated_terminals);
-  map_free(int, int)(color_indexes);
 }
 
 // public API {{{
@@ -256,15 +234,6 @@ Terminal *terminal_open(TerminalOptions opts)
   rv->sb_buffer = xmalloc(sizeof(ScrollbackLine *) * rv->sb_size);
 
   if (!true_color) {
-    // Change the first 16 colors so we can easily get the correct color
-    // index from them.
-    for (int i = 0; i < 16; i++) {
-      VTermColor color;
-      color.red = 0;
-      color.green = 0;
-      color.blue = (uint8_t)(i + 1);
-      vterm_state_set_palette_color(state, i, &color);
-    }
     return rv;
   }
 
@@ -286,9 +255,10 @@ Terminal *terminal_open(TerminalOptions opts)
 
       if (color_val != -1) {
         VTermColor color;
-        color.red = (uint8_t)((color_val >> 16) & 0xFF);
+        vterm_color_rgb(&color,
-        color.green = (uint8_t)((color_val >> 8) & 0xFF);
+          (uint8_t)(color_val >> 16) & 0xFF,
-        color.blue = (uint8_t)((color_val >> 0) & 0xFF);
+          (uint8_t)(color_val >> 8) & 0xFF,
+          (uint8_t)(color_val >> 0) & 0xFF);
         vterm_state_set_palette_color(state, i, &color);
       }
     }
@@ -630,17 +600,14 @@ void terminal_get_line_attributes(Terminal *term, win_T *wp, int linenr,
     VTermScreenCell cell;
     fetch_cell(term, row, col, &cell);
     // Get the rgb value set by libvterm.
-    int vt_fg = RGB_(cell.fg.red, cell.fg.green, cell.fg.blue);
+    int vt_fg = RGB_(cell.fg.rgb.red, cell.fg.rgb.green, cell.fg.rgb.blue);
-    int vt_bg = RGB_(cell.bg.red, cell.bg.green, cell.bg.blue);
+    int vt_bg = RGB_(cell.bg.rgb.red, cell.bg.rgb.green, cell.bg.rgb.blue);
     vt_fg = vt_fg != default_vt_fg ? vt_fg : - 1;
     vt_bg = vt_bg != default_vt_bg ? vt_bg : - 1;
-    // Since libvterm does not expose the color index used by the program, we
+    int vt_fg_idx = VTERM_COLOR_IS_DEFAULT_FG(&cell.fg) ? 0 :
-    // use the rgb value to find the appropriate index in the cache computed by
+                    VTERM_COLOR_IS_INDEXED(&cell.fg) ? cell.fg.indexed.idx + 1 : 0;
-    // `terminal_init`.
+    int vt_bg_idx = VTERM_COLOR_IS_DEFAULT_BG(&cell.bg) ? 0 :
-    int vt_fg_idx = vt_fg != -1 ?
+                    VTERM_COLOR_IS_INDEXED(&cell.bg) ? cell.bg.indexed.idx + 1 : 0;
-                    map_get(int, int)(color_indexes, vt_fg) : 0;
-    int vt_bg_idx = vt_bg != -1 ?
-                    map_get(int, int)(color_indexes, vt_bg) : 0;
 
     int hl_attrs = (cell.attrs.bold ? HL_BOLD : 0)
                  | (cell.attrs.italic ? HL_ITALIC : 0)