From: Bram Moolenaar <Bram@vim.org>
Date: Sun, 12 Apr 2020 13:11:06 +0000 (+0200)
Subject: patch 8.2.0554: the GUI doesn't set t_Co
X-Git-Tag: v8.2.0554
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=acc770a10f65107131473ea2ab4ae5d429dfe172;p=vim

patch 8.2.0554: the GUI doesn't set t_Co

Problem:    The GUI doesn't set t_Co.
Solution:   In the GUI set t_Co to 256 * 256 * 256. (closes #5903)
---

diff --git a/src/gui.c b/src/gui.c
index 2d6008146..cdfc929e9 100644
--- a/src/gui.c
+++ b/src/gui.c
@@ -513,6 +513,9 @@ gui_init(void)
 	 */
 	set_option_value((char_u *)"paste", 0L, NULL, 0);
 
+	// Set t_Co to the number of colors: RGB.
+	set_color_count(256 * 256 * 256);
+
 	/*
 	 * Set up system-wide default menus.
 	 */
diff --git a/src/proto/term.pro b/src/proto/term.pro
index 2091cbfee..4ac2858ab 100644
--- a/src/proto/term.pro
+++ b/src/proto/term.pro
@@ -1,6 +1,7 @@
 /* term.c */
 guicolor_T termgui_get_color(char_u *name);
 guicolor_T termgui_mch_get_rgb(guicolor_T color);
+void set_color_count(int nr);
 int set_termname(char_u *term);
 void getlinecol(long *cp, long *rp);
 int add_termcap_entry(char_u *name, int force);
diff --git a/src/term.c b/src/term.c
index 6afecbae8..ce935dcf4 100644
--- a/src/term.c
+++ b/src/term.c
@@ -1552,7 +1552,7 @@ parse_builtin_tcap(char_u *term)
  * Store it as a number in t_colors.
  * Store it as a string in T_CCO (using nr_colors[]).
  */
-    static void
+    void
 set_color_count(int nr)
 {
     char_u	nr_colors[20];		// string for number of colors
diff --git a/src/testdir/test_gui.vim b/src/testdir/test_gui.vim
index af4ce246c..384209f10 100644
--- a/src/testdir/test_gui.vim
+++ b/src/testdir/test_gui.vim
@@ -31,6 +31,8 @@ func Test_balloon_show()
 endfunc
 
 func Test_colorscheme()
+  call assert_equal('16777216', &t_Co)
+
   let colorscheme_saved = exists('g:colors_name') ? g:colors_name : 'default'
   let g:color_count = 0
   augroup TestColors
diff --git a/src/version.c b/src/version.c
index a9cdd6a80..08a95a56d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    554,
 /**/
     553,
 /**/