patch 8.0.0825: not easy to see that a window is a terminal window

Problem:    Not easy to see that a window is a terminal window.
Solution:   Add StatusLineTerm highlighting.

src/option.c

@@ -479,8 +479,9 @@ struct vimoption
 #if defined(FEAT_DIFF) || defined(FEAT_FOLDING) || defined(FEAT_SPELL) \
 	|| defined(FEAT_WINDOWS) || defined(FEAT_CLIPBOARD) \
 	|| defined(FEAT_INS_EXPAND) || defined(FEAT_SYN_HL) \
-	|| defined(FEAT_CONCEAL) || defined(FEAT_QUICKFIX)
+	|| defined(FEAT_CONCEAL) || defined(FEAT_QUICKFIX) \
-# define HIGHLIGHT_INIT "8:SpecialKey,~:EndOfBuffer,@:NonText,d:Directory,e:ErrorMsg,i:IncSearch,l:Search,m:MoreMsg,M:ModeMsg,n:LineNr,N:CursorLineNr,r:Question,s:StatusLine,S:StatusLineNC,c:VertSplit,t:Title,v:Visual,V:VisualNOS,w:WarningMsg,W:WildMenu,f:Folded,F:FoldColumn,A:DiffAdd,C:DiffChange,D:DiffDelete,T:DiffText,>:SignColumn,-:Conceal,B:SpellBad,P:SpellCap,R:SpellRare,L:SpellLocal,+:Pmenu,=:PmenuSel,x:PmenuSbar,X:PmenuThumb,*:TabLine,#:TabLineSel,_:TabLineFill,!:CursorColumn,.:CursorLine,o:ColorColumn,q:QuickFixLine"
+	|| defined(FEAT_TERMINAL)
+# define HIGHLIGHT_INIT "8:SpecialKey,~:EndOfBuffer,@:NonText,d:Directory,e:ErrorMsg,i:IncSearch,l:Search,m:MoreMsg,M:ModeMsg,n:LineNr,N:CursorLineNr,r:Question,s:StatusLine,S:StatusLineNC,c:VertSplit,t:Title,v:Visual,V:VisualNOS,w:WarningMsg,W:WildMenu,f:Folded,F:FoldColumn,A:DiffAdd,C:DiffChange,D:DiffDelete,T:DiffText,>:SignColumn,-:Conceal,B:SpellBad,P:SpellCap,R:SpellRare,L:SpellLocal,+:Pmenu,=:PmenuSel,x:PmenuSbar,X:PmenuThumb,*:TabLine,#:TabLineSel,_:TabLineFill,!:CursorColumn,.:CursorLine,o:ColorColumn,q:QuickFixLine,$:StatusLineTerm"
 #else
 # define HIGHLIGHT_INIT "8:SpecialKey,@:NonText,d:Directory,e:ErrorMsg,i:IncSearch,l:Search,m:MoreMsg,M:ModeMsg,n:LineNr,N:CursorLineNr,r:Question,s:StatusLine,S:StatusLineNC,t:Title,v:Visual,w:WarningMsg,W:WildMenu,>:SignColumn,*:TabLine,#:TabLineSel,_:TabLineFill"
 #endif

src/screen.c

@@ -165,7 +165,7 @@ static void recording_mode(int attr);
 static void draw_tabline(void);
 #endif
 #if defined(FEAT_WINDOWS) || defined(FEAT_WILDMENU) || defined(FEAT_STL_OPT)
-static int fillchar_status(int *attr, int is_curwin);
+static int fillchar_status(int *attr, win_T *wp);
 #endif
 #ifdef FEAT_WINDOWS
 static int fillchar_vsep(int *attr);
@@ -6686,7 +6686,7 @@ win_redr_status_matches(
 	    --first_match;
 	}
 
-    fillchar = fillchar_status(&attr, TRUE);
+    fillchar = fillchar_status(&attr, curwin);
 
     if (first_match == 0)
     {
@@ -6865,7 +6865,7 @@ win_redr_status(win_T *wp)
 #endif
     else
     {
-	fillchar = fillchar_status(&attr, wp == curwin);
+	fillchar = fillchar_status(&attr, wp);
 
 	get_trans_bufname(wp->w_buffer);
 	p = NameBuff;
@@ -6962,7 +6962,7 @@ win_redr_status(win_T *wp)
     if (wp->w_vsep_width != 0 && wp->w_status_height != 0 && redrawing())
     {
 	if (stl_connected(wp))
-	    fillchar = fillchar_status(&attr, wp == curwin);
+	    fillchar = fillchar_status(&attr, wp);
 	else
 	    fillchar = fillchar_vsep(&attr);
 	screen_putchar(fillchar, W_WINROW(wp) + wp->w_height, W_ENDCOL(wp),
@@ -7136,7 +7136,7 @@ win_redr_custom(
     else
     {
 	row = W_WINROW(wp) + wp->w_height;
-	fillchar = fillchar_status(&attr, wp == curwin);
+	fillchar = fillchar_status(&attr, wp);
 	maxwidth = W_WIDTH(wp);
 
 	if (draw_ruler)
@@ -10705,10 +10705,22 @@ get_trans_bufname(buf_T *buf)
  * Get the character to use in a status line.  Get its attributes in "*attr".
  */
     static int
-fillchar_status(int *attr, int is_curwin)
+fillchar_status(int *attr, win_T *wp)
 {
     int fill;
-    if (is_curwin)
+
+#ifdef FEAT_TERMINAL
+    if (bt_terminal(wp->w_buffer))
+    {
+	*attr = HL_ATTR(HLF_ST);
+	if (wp == curwin)
+	    fill = fill_stl;
+	else
+	    fill = fill_stlnc;
+    }
+    else
+#endif
+    if (wp == curwin)
     {
 	*attr = HL_ATTR(HLF_S);
 	fill = fill_stl;
@@ -10722,10 +10734,10 @@ fillchar_status(int *attr, int is_curwin)
      * window differs, or the fillchars differ, or this is not the
      * current window */
     if (*attr != 0 && ((HL_ATTR(HLF_S) != HL_ATTR(HLF_SNC)
-			|| !is_curwin || ONE_WINDOW)
+			|| wp != curwin || ONE_WINDOW)
 		    || (fill_stl != fill_stlnc)))
 	return fill;
-    if (is_curwin)
+    if (wp == curwin)
 	return '^';
     return '=';
 }
@@ -10913,7 +10925,7 @@ win_redr_ruler(win_T *wp, int always)
 	if (wp->w_status_height)
 	{
 	    row = W_WINROW(wp) + wp->w_height;
-	    fillchar = fillchar_status(&attr, wp == curwin);
+	    fillchar = fillchar_status(&attr, wp);
 	    off = W_WINCOL(wp);
 	    width = W_WIDTH(wp);
 	}

src/syntax.c

@@ -6887,6 +6887,10 @@ static char *(highlight_init_both[]) =
 	     "StatusLine term=reverse,bold cterm=reverse,bold gui=reverse,bold"),
 	CENT("StatusLineNC term=reverse cterm=reverse",
 	     "StatusLineNC term=reverse cterm=reverse gui=reverse"),
+#ifdef FEAT_TERMINAL
+	CENT("StatusLineTerm term=reverse cterm=reverse ctermFg=DarkGreen",
+	     "StatusLineTerm term=reverse cterm=reverse ctermFg=DarkGreen gui=reverse guifg=DarkGreen"),
+#endif
 	"default link EndOfBuffer NonText",
 #ifdef FEAT_WINDOWS
 	CENT("VertSplit term=reverse cterm=reverse",

src/version.c

@@ -769,6 +769,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    825,
 /**/
     824,
 /**/

src/vim.h

@@ -1430,10 +1430,11 @@ typedef enum
     , HLF_TP	    /* tabpage line */
     , HLF_TPS	    /* tabpage line selected */
     , HLF_TPF	    /* tabpage line filler */
-    , HLF_CUC	    /* 'cursurcolumn' */
+    , HLF_CUC	    /* 'cursorcolumn' */
-    , HLF_CUL	    /* 'cursurline' */
+    , HLF_CUL	    /* 'cursorline' */
     , HLF_MC	    /* 'colorcolumn' */
     , HLF_QFL	    /* quickfix window line currently selected */
+    , HLF_ST	    /* status lines of terminal windows */
     , HLF_COUNT	    /* MUST be the last one */
 } hlf_T;
 
@@ -1443,7 +1444,7 @@ typedef enum
 		  'n', 'N', 'r', 's', 'S', 'c', 't', 'v', 'V', 'w', 'W', \
 		  'f', 'F', 'A', 'C', 'D', 'T', '-', '>', \
 		  'B', 'P', 'R', 'L', \
-		  '+', '=', 'x', 'X', '*', '#', '_', '!', '.', 'o', 'q'}
+		  '+', '=', 'x', 'X', '*', '#', '_', '!', '.', 'o', 'q', '$'}
 
 /*
  * Boolean constants