patch 9.0.0168: cursor positioned wrong with two virtual text properties

Problem:    Cursor positioned wrong with two virtual text properties close
            together. (Ben Jackson)
Solution:   Add the original size, not the computed one. (closes #10864)

src/charset.c

@@ -1130,6 +1130,7 @@ win_lbr_chartabsize(
 # ifdef FEAT_PROP_POPUP
     if (cts->cts_has_prop_with_text && *line != NUL)
     {
+	int	    normal_size = size;
 	int	    i;
 	int	    col = (int)(s - line);
 	garray_T    *gap = &wp->w_buffer->b_textprop_text;
@@ -1141,7 +1142,8 @@ win_lbr_chartabsize(
 	    // Watch out for the text being deleted.  "cts_text_props" is a
 	    // copy, the text prop may actually have been removed from the line.
 	    if (tp->tp_id < 0
-		    && ((tp->tp_col - 1 >= col && tp->tp_col - 1 < col + size)
+		    && ((tp->tp_col - 1 >= col
+					 && tp->tp_col - 1 < col + normal_size)
 		       || (tp->tp_col == MAXCOL && (s[0] == NUL || s[1] == NUL)
 						   && cts->cts_with_trailing))
 		    && -tp->tp_id - 1 < gap->ga_len)
@@ -1152,7 +1154,6 @@ win_lbr_chartabsize(
 		{
 		    int	cells = vim_strsize(p);
 
-		    added = wp->w_width - (vcol + size) % wp->w_width;
 		    if (tp->tp_col == MAXCOL)
 		    {
 			int below = (tp->tp_flags & TP_FLAG_ALIGN_BELOW);
@@ -1163,8 +1164,11 @@ win_lbr_chartabsize(
 			// Keep in sync with where textprop_size_after_trunc()
 			// is called in win_line().
 			if (!wrap)
+			{
+			    added = wp->w_width - (vcol + size) % wp->w_width;
 			    cells = textprop_size_after_trunc(wp,
 						     below, added, p, &n_used);
+			}
 			// right-aligned does not really matter here, same as
 			// "after"
 			if (below)

src/testdir/dumps/Test_prop_inserts_text_1.dump

@@ -1,6 +1,8 @@
 |i+0&#ffffff0|n|s|e|r|t| |s|o|m|e| |t|e|x|t| |S+0#ffffff16#e000002|O|M|E| |h+0#0000000#ffffff0|e|r|e| |a|n|d| |o|t|h|e|r| |t|e|x|t| |O+0&#ffff4012|T|H|E|R| |t+0&#ffffff0|h|e|r|e| |a|n|d| |s|o
 |m|e| |m|o|r|e| |t|e|x|t| |a|f|t|e|r| |M+0&#5fd7ff255|O|R|E| |w+0&#ffffff0|r|a|p@1|i|n>g| @27
 |p|r|e|s+0&#e0e0e08|ö|m|e|和*&|平|t+&|é|x|t|p+0&#ffffff0|o|s|t| @40
+|F|o@1| |f|o@1| |=| |{| |.+0#0000e05&|x|=|1+0#0000000&|,| |.+0#0000e05&|y|=|2+0#0000000&| |}|;| @34
 |e+0#ffffff16#e000002|m|p|t|y| |l|i|n|e| +0#0000000#ffffff0@49
 |~+0#4040ff13&| @58
+|~| @58
 | +0#0000000&@41|1|,|7|6|-|9|2| @6|A|l@1| 

src/testdir/dumps/Test_prop_inserts_text_2.dump

@@ -1,6 +1,8 @@
 | +0#0000e05#a8a8a8255@1|i+0#0000000#ffffff0|n|s|e|r|t| |s|o|m|e| |t|e|x|t| |S+0#ffffff16#e000002|O|M|E| |h+0#0000000#ffffff0|e|r|e| |a|n|d| |o|t|h|e|r| |t|e|x|t| |O+0&#ffff4012|T|H|E|R| |t+0&#ffffff0|h|e|r|e| |a|n|d| 
 | +0#0000e05#a8a8a8255@1|s+0#0000000#ffffff0|o|m|e| |m|o|r|e| |t|e|x|t| |a|f|t|e|r| |M+0&#5fd7ff255|O|R|E| |w+0&#ffffff0|r|a|p@1|i|n>g| @23
 | +0#0000e05#a8a8a8255@1|p+0#0000000#ffffff0|r|e|s+0&#e0e0e08|ö|m|e|和*&|平|t+&|é|x|t|p+0&#ffffff0|o|s|t| @38
+| +0#0000e05#a8a8a8255@1|F+0#0000000#ffffff0|o@1| |f|o@1| |=| |{| |.+0#0000e05&|x|=|1+0#0000000&|,| |.+0#0000e05&|y|=|2+0#0000000&| |}|;| @32
 | +0#0000e05#a8a8a8255@1|e+0#ffffff16#e000002|m|p|t|y| |l|i|n|e| +0#0000000#ffffff0@47
 |~+0#4040ff13&| @58
+|~| @58
 | +0#0000000&@41|1|,|7|6|-|9|2| @6|A|l@1| 

src/testdir/dumps/Test_prop_inserts_text_3.dump

@@ -1,6 +1,8 @@
 | +0#0000e05#a8a8a8255@1|i+0#0000000#ffffff0|n|s|e|r|t| |s|o|m|e| |t|e|x|t| |S+0#ffffff16#e000002|O|M|E| |h+0#0000000#ffffff0|e|r|e| |a|n|d| |o|t|h|e|r| |t|e|x|t| |O+0&#ffff4012|T|H|E|R| |t+0&#ffffff0|h|e|r|e| |a|n|d| 
 | +0#0000e05#a8a8a8255@1|s+0#0000000#ffffff0|o|m|e| |m|o|r|e| |t|e|x|t| |a|f|t|e|r| |M+0&#5fd7ff255|O|R|E| |w+0&#ffffff0|r|a|p@1|i|n|g| @23
 | +0#0000e05#a8a8a8255@1|p+0#0000000#ffffff0|r|e|s+0&#e0e0e08|ö|m|e|和*&|平|t+&|é|x|t|p+0&#ffffff0|o|s>t| @38
+| +0#0000e05#a8a8a8255@1|F+0#0000000#ffffff0|o@1| |f|o@1| |=| |{| |.+0#0000e05&|x|=|1+0#0000000&|,| |.+0#0000e05&|y|=|2+0#0000000&| |}|;| @32
 | +0#0000e05#a8a8a8255@1|e+0#ffffff16#e000002|m|p|t|y| |l|i|n|e| +0#0000000#ffffff0@47
 |~+0#4040ff13&| @58
+|~| @58
 | +0#0000000&@41|2|,|7|-|1|9| @7|A|l@1| 

src/testdir/dumps/Test_prop_inserts_text_4.dump

@@ -1,6 +1,8 @@
 | +0#0000e05#a8a8a8255@1|i+0#0000000#ffffff0|n|s|e|r|t| |s|o|m|e| |t|e|x|t| |S+0#ffffff16#e000002|O|M|E| |h+0#0000000#ffffff0|e|r|e| |a|n|d| |o|t|h|e|r| |t|e|x|t| |O+0&#ffff4012|T|H|E|R| |t+0&#ffffff0|h|e|r|e| |a|n|d| 
 | +0#0000e05#a8a8a8255@1|s+0#0000000#ffffff0|o|m|e| |m|o|r|e| |t|e|x|t| |a|f|t|e|r| |M+0&#5fd7ff255|O|R|E| |w+0&#ffffff0|r|a|p@1|i|n|g| @23
 | +0#0000e05#a8a8a8255@1|p+0#0000000#ffffff0|r|e|s+0&#e0e0e08|ö|m|e|和*&|平|t+&|é|x|t|p+0&#ffffff0|o|s|t| @38
-| +0#0000e05#a8a8a8255@1>e+0#ffffff16#e000002|m|p|t|y| |l|i|n|e| +0#0000000#ffffff0@47
+| +0#0000e05#a8a8a8255@1|F+0#0000000#ffffff0|o@1| |f|o@1| |=| |{| |.+0#0000e05&|x|=>1+0#0000000&|,| |.+0#0000e05&|y|=|2+0#0000000&| |}|;| @32
+| +0#0000e05#a8a8a8255@1|e+0#ffffff16#e000002|m|p|t|y| |l|i|n|e| +0#0000000#ffffff0@47
 |~+0#4040ff13&| @58
-| +0#0000000&@41|3|,|0|-|1| @8|A|l@1| 
+|~| @58
+| +0#0000000&@41|3|,|1|3|-|1|6| @6|A|l@1| 

src/testdir/dumps/Test_prop_inserts_text_5.dump

@@ -0,0 +1,8 @@
+| +0#0000e05#a8a8a8255@1|i+0#0000000#ffffff0|n|s|e|r|t| |s|o|m|e| |t|e|x|t| |S+0#ffffff16#e000002|O|M|E| |h+0#0000000#ffffff0|e|r|e| |a|n|d| |o|t|h|e|r| |t|e|x|t| |O+0&#ffff4012|T|H|E|R| |t+0&#ffffff0|h|e|r|e| |a|n|d| 
+| +0#0000e05#a8a8a8255@1|s+0#0000000#ffffff0|o|m|e| |m|o|r|e| |t|e|x|t| |a|f|t|e|r| |M+0&#5fd7ff255|O|R|E| |w+0&#ffffff0|r|a|p@1|i|n|g| @23
+| +0#0000e05#a8a8a8255@1|p+0#0000000#ffffff0|r|e|s+0&#e0e0e08|ö|m|e|和*&|平|t+&|é|x|t|p+0&#ffffff0|o|s|t| @38
+| +0#0000e05#a8a8a8255@1|F+0#0000000#ffffff0|o@1| |f|o@1| |=| |{| |.+0#0000e05&|x|=|1+0#0000000&|,| |.+0#0000e05&|y|=>2+0#0000000&| |}|;| @32
+| +0#0000e05#a8a8a8255@1|e+0#ffffff16#e000002|m|p|t|y| |l|i|n|e| +0#0000000#ffffff0@47
+|~+0#4040ff13&| @58
+|~| @58
+| +0#0000000&@41|3|,|1|6|-|2@1| @6|A|l@1| 

src/testdir/dumps/Test_prop_inserts_text_6.dump

@@ -0,0 +1,8 @@
+| +0#0000e05#a8a8a8255@1|i+0#0000000#ffffff0|n|s|e|r|t| |s|o|m|e| |t|e|x|t| |S+0#ffffff16#e000002|O|M|E| |h+0#0000000#ffffff0|e|r|e| |a|n|d| |o|t|h|e|r| |t|e|x|t| |O+0&#ffff4012|T|H|E|R| |t+0&#ffffff0|h|e|r|e| |a|n|d| 
+| +0#0000e05#a8a8a8255@1|s+0#0000000#ffffff0|o|m|e| |m|o|r|e| |t|e|x|t| |a|f|t|e|r| |M+0&#5fd7ff255|O|R|E| |w+0&#ffffff0|r|a|p@1|i|n|g| @23
+| +0#0000e05#a8a8a8255@1|p+0#0000000#ffffff0|r|e|s+0&#e0e0e08|ö|m|e|和*&|平|t+&|é|x|t|p+0&#ffffff0|o|s|t| @38
+| +0#0000e05#a8a8a8255@1|F+0#0000000#ffffff0|o@1| |f|o@1| |=| |{| |.+0#0000e05&|x|=|1+0#0000000&|,| |.+0#0000e05&|y|=|2+0#0000000&| |}|;| @32
+| +0#0000e05#a8a8a8255@1>e+0#ffffff16#e000002|m|p|t|y| |l|i|n|e| +0#0000000#ffffff0@47
+|~+0#4040ff13&| @58
+|~| @58
+| +0#0000000&@41|4|,|0|-|1| @8|A|l@1| 

src/testdir/test_textprop.vim

@@ -2317,11 +2317,16 @@ func Test_prop_inserts_text()
       call prop_type_add('multibyte', #{highlight: 'Visual'})
       call prop_add(2, 4, #{type: 'multibyte', text: 'söme和平téxt'})
 
-      call setline(3, '')
-      call prop_add(3, 1, #{type: 'someprop', text: 'empty line'})
+      call setline(3, 'Foo foo = { 1, 2 };')
+      call prop_type_add( 'testprop', #{highlight: 'Comment'})
+      call prop_add(3, 13, #{type: 'testprop', text: '.x='})
+      call prop_add(3, 16, #{type: 'testprop', text: '.y='})
+
+      call setline(4, '')
+      call prop_add(4, 1, #{type: 'someprop', text: 'empty line'})
   END
   call writefile(lines, 'XscriptPropsWithText')
-  let buf = RunVimInTerminal('-S XscriptPropsWithText', #{rows: 6, cols: 60})
+  let buf = RunVimInTerminal('-S XscriptPropsWithText', #{rows: 8, cols: 60})
   call VerifyScreenDump(buf, 'Test_prop_inserts_text_1', {})
 
   call term_sendkeys(buf, ":set signcolumn=yes\<CR>")
@@ -2330,8 +2335,13 @@ func Test_prop_inserts_text()
   call term_sendkeys(buf, "2G$")
   call VerifyScreenDump(buf, 'Test_prop_inserts_text_3', {})
 
-  call term_sendkeys(buf, "3G")
+  call term_sendkeys(buf, "3Gf1")
   call VerifyScreenDump(buf, 'Test_prop_inserts_text_4', {})
+  call term_sendkeys(buf, "f2")
+  call VerifyScreenDump(buf, 'Test_prop_inserts_text_5', {})
+
+  call term_sendkeys(buf, "4G")
+  call VerifyScreenDump(buf, 'Test_prop_inserts_text_6', {})
 
   call StopVimInTerminal(buf)
   call delete('XscriptPropsWithText')

src/version.c

@@ -735,6 +735,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    168,
 /**/
     167,
 /**/