# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1646242204 -3600
# Node ID 1a702abffaf3af597cdd29d0953773df3a8bb4a3
# Parent  71f8bb3b82243f5954336c870f4cbc549736904b
patch 8.2.4490: terminal focus reporting only works for xterm-like terminals

Commit: https://github.com/vim/vim/commit/8d5daf267eb84d2346785741b22d18907b047e0a
Author: Bram Moolenaar <Bram@vim.org>
Date:   Wed Mar 2 17:16:39 2022 +0000

    patch 8.2.4490: terminal focus reporting only works for xterm-like terminals

    Problem:    Terminal focus reporting only works for xterm-like terminals.
                (Jonathan Rascher)
    Solution:   Remove the "focus_mode" flag. (closes #9859)

diff --git a/src/term.c b/src/term.c
--- a/src/term.c
+++ b/src/term.c
@@ -197,8 +197,7 @@ static char_u *vim_tgetstr(char *s, char
 static int  detected_8bit = FALSE;	// detected 8-bit terminal
 
 #if (defined(UNIX) || defined(VMS))
-static int focus_mode = FALSE; // xterm's "focus reporting" availability
-static int focus_state = FALSE; // TRUE if the terminal window gains focus
+static int focus_state = MAYBE; // TRUE if the Vim window has focus
 #endif
 
 #ifdef FEAT_TERMRESPONSE
@@ -2047,7 +2046,7 @@ set_termname(char_u *term)
 #endif
 
 #ifdef FEAT_MOUSE_XTERM
-    // focus reporting is supported by xterm compatible terminals and tmux.
+    // Focus reporting is supported by xterm compatible terminals and tmux.
     if (use_xterm_like_mouse(term))
     {
 	char_u name[3];
@@ -2062,11 +2061,13 @@ set_termname(char_u *term)
 	name[1] = KE_FOCUSLOST;
 	add_termcode(name, (char_u *)"\033[O", FALSE);
 
-	focus_mode = TRUE;
-	focus_state = TRUE;
 	need_gather = TRUE;
     }
 #endif
+#if (defined(UNIX) || defined(VMS))
+    // First time after setting 'term' a focus event is always reported.
+    focus_state = MAYBE;
+#endif
 
 #ifdef USE_TERM_CONSOLE
     // DEFAULT_TERM indicates that it is the machine console.
@@ -3633,7 +3634,7 @@ starttermcap(void)
 
 #if defined(UNIX) || defined(VMS)
 	// Enable xterm's focus reporting mode when 'esckeys' is set.
-	if (focus_mode && p_ek && *T_FE != NUL)
+	if (p_ek && *T_FE != NUL)
 	    out_str(T_FE);
 #endif
 
@@ -3691,7 +3692,7 @@ stoptermcap(void)
 
 #if defined(UNIX) || defined(VMS)
 	// Disable xterm's focus reporting mode if 'esckeys' is set.
-	if (focus_mode && p_ek && *T_FD != NUL)
+	if (p_ek && *T_FD != NUL)
 	    out_str(T_FD);
 #endif
 
@@ -5812,11 +5813,10 @@ check_termcode(
 	 * Handle FocusIn/FocusOut event sequences reported by XTerm.
 	 * (CSI I/CSI O)
 	 */
-	if (focus_mode
+	if (key_name[0] == KS_EXTRA
 # ifdef FEAT_GUI
 		&& !gui.in_use
 # endif
-		&& key_name[0] == KS_EXTRA
 	    )
 	{
 	    if (key_name[1] == KE_FOCUSGAINED)
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4490,
+/**/
     4489,
 /**/
     4488,