patch 8.2.2491: popup window for text property may show in first screen line

Problem:    Popup window for text property may show in first screen line.
Solution:   If the text position is invisible do not show the popup window.
            (closes #7807)

src/popupwin.c

@@ -1193,6 +1193,12 @@ popup_adjust_position(win_T *wp)
 	textpos2screenpos(prop_win, &pos, &screen_row,
 				     &screen_scol, &screen_ccol, &screen_ecol);
 
+	if (screen_scol == 0)
+	{
+	    // position is off screen, make the width zero to hide it.
+	    wp->w_width = 0;
+	    return;
+	}
 	if (wp->w_popup_pos == POPPOS_TOPLEFT
 		|| wp->w_popup_pos == POPPOS_TOPRIGHT)
 	    // below the text

src/testdir/dumps/Test_popup_prop_not_visible_01.dump

@@ -0,0 +1,10 @@
+| +2&#ffffff0|2+2#e000e06&|++2#0000000&| |[|N|o| |N|a|m|e|]| | +1&&@60
+| +0&&@42||+1&&> +0&&@30
+|~+0#4040ff13&| @41||+1#0000000&|s+0&&|o|m|e| |t|e|x|t|a+0#ffffff16#e000002|t@1|a|c|h|e|d| |t|o| |"|s|o|m|e|"| +0#0000000#ffffff0@3
+|~+0#4040ff13&| @41||+1#0000000&| +0&&@30
+|~+0#4040ff13&| @41||+1#0000000&|o+0&&|t|h|e|r| |t|e|x|t|a+0#ffffff16#e000002|t@1|a|c|h|e|d| |t|o| |"|o|t|h|e|r|"| +0#0000000#ffffff0@1
+|~+0#4040ff13&| @41||+1#0000000&|~+0#4040ff13&| @29
+|~| @41||+1#0000000&|~+0#4040ff13&| @29
+|~| @41||+1#0000000&|~+0#4040ff13&| @29
+|[+1#0000000&|N|o| |N|a|m|e|]| @15|0|,|0|-|1| @9|A|l@1| |[+3&&|N|o| |N|a|m|e|]| |[|+|]| @2|1|,|0|-|1| @6|A|l@1
+| +0&&@74

src/testdir/dumps/Test_popup_prop_not_visible_02.dump

@@ -0,0 +1,10 @@
+| +2&#ffffff0|2+2#e000e06&|++2#0000000&| |[|N|o| |N|a|m|e|]| | +1&&@60
+| +0&&@56||+1&&> +0&&@16
+|~+0#4040ff13&| @55||+1#0000000&|s+0&&|o|m|e| |t|e|x|t|a+0#ffffff16#e000002|t@1|a|c|h|e|d
+|~+0#4040ff13#ffffff0| @55||+1#0000000&| +0&&@16
+|~+0#4040ff13&| @54|a+0#ffffff16#e000002|t@1|a|c|h|e|d| |t|o| |"|o|t|h|e|r|"
+|~+0#4040ff13#ffffff0| @55||+1#0000000&|~+0#4040ff13&| @15
+|~| @55||+1#0000000&|~+0#4040ff13&| @15
+|~| @55||+1#0000000&|~+0#4040ff13&| @15
+|[+1#0000000&|N|o| |N|a|m|e|]| @29|0|,|0|-|1| @9|A|l@1| |<+3&&|m|e|]| |[|+|]| |1|,|0|-|1| @2
+|:+0&&|v|e|r|t| |r|e|s|i|z|e| |-|1|4| @58

src/testdir/dumps/Test_popup_prop_not_visible_03.dump

@@ -0,0 +1,10 @@
+| +2&#ffffff0|2+2#e000e06&|++2#0000000&| |[|N|o| |N|a|m|e|]| | +1&&@60
+| +0&&@64||+1&&> +0&&@8
+|~+0#4040ff13&| @63||+1#0000000&|s+0&&|o|m|e| |t|e|x|t
+|~+0#4040ff13&| @63||+1#0000000&| +0&&@8
+|~+0#4040ff13&| @63||+1#0000000&|o+0&&|t|h|e|r| |t|e|x
+|~+0#4040ff13&| @63||+1#0000000&|~+0#4040ff13&| @7
+|~| @63||+1#0000000&|~+0#4040ff13&| @7
+|~| @63||+1#0000000&|~+0#4040ff13&| @7
+|[+1#0000000&|N|o| |N|a|m|e|]| @37|0|,|0|-|1| @9|A|l@1| |<+3&&|[|+|]| |1|,|0|-
+|:+0&&|v|e|r|t| |r|e|s|i|z|e| |-|8| @59

src/testdir/test_popupwin.vim

@@ -3836,4 +3836,47 @@ func Test_popup_setoptions_other_tab()
   call prop_type_delete('textprop')
 endfunc
 
+func Test_popup_prop_not_visible()
+  CheckScreendump
+
+  let lines =<< trim END
+      vim9script
+      set nowrap stal=2
+      rightbelow :31vnew
+      setline(1, ['', 'some text', '', 'other text'])
+      prop_type_add('someprop', {})
+      prop_add(2, 9, {type: 'someprop', length: 5})
+      popup_create('attached to "some"', {
+          textprop: 'someprop',
+          highlight: 'ErrorMsg',
+          line: -1,
+          wrap: false,
+          fixed: true,
+          })
+      prop_type_add('otherprop', {})
+      prop_add(4, 10, {type: 'otherprop', length: 5})
+      popup_create('attached to "other"', {
+          textprop: 'otherprop',
+          highlight: 'ErrorMsg',
+          line: -1,
+          wrap: false,
+          fixed: false,
+          })
+  END
+  call writefile(lines, 'XtestPropNotVisble')
+  let buf = RunVimInTerminal('-S XtestPropNotVisble', #{rows: 10})
+  call VerifyScreenDump(buf, 'Test_popup_prop_not_visible_01', {})
+
+  call term_sendkeys(buf, ":vert resize -14\<CR>")
+  call VerifyScreenDump(buf, 'Test_popup_prop_not_visible_02', {})
+
+  call term_sendkeys(buf, ":vert resize -8\<CR>")
+  call VerifyScreenDump(buf, 'Test_popup_prop_not_visible_03', {})
+
+  " clean up
+  call StopVimInTerminal(buf)
+  call delete('XtestPropNotVisble')
+endfunction
+
+
 " vim: shiftwidth=2 sts=2

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2491,
 /**/
     2490,
 /**/