Patch 9.0.0500
Problem:    When quitting the cmdline window with CTRL-C it remains visible.
Solution:   Redraw to avoid confusion. Adjust the error message.
            (closes #11152)  Adjust the cursor position after CTRL-C.
Files:      src/ex_getln.c, src/errors.h, src/testdir/test_cmdwin.vim,
            src/testdir/dumps/Test_cmdwin_wrong_command_1.dump,
            src/testdir/dumps/Test_cmdwin_wrong_command_2.dump


*** ../vim-9.0.0499/src/ex_getln.c      2022-09-17 19:43:19.254427034 +0100
--- src/ex_getln.c      2022-09-18 14:54:13.020741003 +0100
***************
*** 4631,4643 ****
            ccline.cmdlen = (int)STRLEN(ccline.cmdbuff);
            ccline.cmdbufflen = ccline.cmdlen + 1;
            ccline.cmdpos = curwin->w_cursor.col;
!           if (ccline.cmdpos > ccline.cmdlen)
                ccline.cmdpos = ccline.cmdlen;
-           if (cmdwin_result == K_IGNORE)
-           {
-               set_cmdspos_cursor();
-               redrawcmd();
-           }
        }
  
  # ifdef FEAT_CONCEAL
--- 4631,4641 ----
            ccline.cmdlen = (int)STRLEN(ccline.cmdbuff);
            ccline.cmdbufflen = ccline.cmdlen + 1;
            ccline.cmdpos = curwin->w_cursor.col;
!           // If the cursor is on the last character, it probably should be
!           // after it.
!           if (ccline.cmdpos == ccline.cmdlen - 1
!                   || ccline.cmdpos > ccline.cmdlen)
                ccline.cmdpos = ccline.cmdlen;
        }
  
  # ifdef FEAT_CONCEAL
***************
*** 4664,4669 ****
--- 4662,4676 ----
        // Restore window sizes.
        win_size_restore(&winsizes);
        skip_win_fix_cursor = FALSE;
+ 
+       if (cmdwin_result == K_IGNORE)
+       {
+           // It can be confusing that the cmdwin still shows, redraw the
+           // screen.
+           update_screen(UPD_VALID);
+           set_cmdspos_cursor();
+           redrawcmd();
+       }
      }
  
      ga_clear(&winsizes);
*** ../vim-9.0.0499/src/errors.h        2022-09-17 21:07:52.103993150 +0100
--- src/errors.h        2022-09-18 14:43:37.278218001 +0100
***************
*** 17,23 ****
        INIT(= N_("E10: \\ should be followed by /, ? or &"));
  #ifdef FEAT_CMDWIN
  EXTERN char e_invalid_in_cmdline_window[]
!       INIT(= N_("E11: Invalid in command-line window; <CR> executes, CTRL-C 
quits"));
  #endif
  EXTERN char e_command_not_allowed_from_vimrc_in_current_dir_or_tag_search[]
        INIT(= N_("E12: Command not allowed from exrc/vimrc in current dir or 
tag search"));
--- 17,23 ----
        INIT(= N_("E10: \\ should be followed by /, ? or &"));
  #ifdef FEAT_CMDWIN
  EXTERN char e_invalid_in_cmdline_window[]
!       INIT(= N_("E11: Invalid in command-line window; :q<CR> closes the 
window"));
  #endif
  EXTERN char e_command_not_allowed_from_vimrc_in_current_dir_or_tag_search[]
        INIT(= N_("E12: Command not allowed from exrc/vimrc in current dir or 
tag search"));
*** ../vim-9.0.0499/src/testdir/test_cmdwin.vim 2022-09-17 21:20:38.646360597 
+0100
--- src/testdir/test_cmdwin.vim 2022-09-18 14:55:43.240527208 +0100
***************
*** 73,79 ****
    call writefile(lines, 'XTest_restore', 'D')
  
    let buf = RunVimInTerminal('-S XTest_restore', {'rows': 12})
-   call TermWait(buf, 50)
    call term_sendkeys(buf, "q:")
    call VerifyScreenDump(buf, 'Test_cmdwin_restore_1', {})
  
--- 73,78 ----
***************
*** 93,103 ****
  endfunc
  
  func Test_cmdwin_no_terminal()
!   CheckFeature terminal
!   CheckNotMSWindows
  
    let buf = RunVimInTerminal('', {'rows': 12})
-   call TermWait(buf, 50)
    call term_sendkeys(buf, ":set cmdheight=2\<CR>")
    call term_sendkeys(buf, "q:")
    call term_sendkeys(buf, ":let buf = term_start(['/bin/echo'], #{hidden: 
1})\<CR>")
--- 92,100 ----
  endfunc
  
  func Test_cmdwin_no_terminal()
!   CheckScreendump
  
    let buf = RunVimInTerminal('', {'rows': 12})
    call term_sendkeys(buf, ":set cmdheight=2\<CR>")
    call term_sendkeys(buf, "q:")
    call term_sendkeys(buf, ":let buf = term_start(['/bin/echo'], #{hidden: 
1})\<CR>")
***************
*** 105,110 ****
--- 102,123 ----
    call term_sendkeys(buf, ":q\<CR>")
    call StopVimInTerminal(buf)
  endfunc
+ 
+ func Test_cmdwin_wrong_command()
+   CheckScreendump
+ 
+   let buf = RunVimInTerminal('', {'rows': 12})
+   call term_sendkeys(buf, "q:")
+   call term_sendkeys(buf, "als\<Esc>")
+   call term_sendkeys(buf, "\<C-W>k")
+   call VerifyScreenDump(buf, 'Test_cmdwin_wrong_command_1', {})
+ 
+   call term_sendkeys(buf, "\<C-C>")
+   call VerifyScreenDump(buf, 'Test_cmdwin_wrong_command_2', {})
+ 
+   call term_sendkeys(buf, ":q\<CR>")
+   call StopVimInTerminal(buf)
+ endfunc
  
  func Test_cmdwin_feedkeys()
    " This should not generate E488
*** ../vim-9.0.0499/src/testdir/dumps/Test_cmdwin_wrong_command_1.dump  
2022-09-18 15:02:59.651536793 +0100
--- src/testdir/dumps/Test_cmdwin_wrong_command_1.dump  2022-09-18 
14:55:48.140515578 +0100
***************
*** 0 ****
--- 1,12 ----
+ | +0&#ffffff0@74
+ |~+0#4040ff13&| @73
+ |[+1#0000000&|N|o| |N|a|m|e|]| @47|0|,|0|-|1| @9|A|l@1
+ |:+0#4040ff13&|l+0#af5f00255&>s| +0#0000000&@71
+ |~+0#4040ff13&| @73
+ |~| @73
+ |~| @73
+ |~| @73
+ |~| @73
+ |~| @73
+ |[+3#0000000&|C|o|m@1|a|n|d| |L|i|n|e|]| @42|1|,|2| @11|A|l@1
+ |E+0#ffffff16#e000002|1@1|:| |I|n|v|a|l|i|d| |i|n| |c|o|m@1|a|n|d|-|l|i|n|e| 
|w|i|n|d|o|w|;| |:|q|<|C|R|>| |c|l|o|s|e|s| |t|h|e| |w|i|n|d|o|w| 
+0#0000000#ffffff0@13
*** ../vim-9.0.0499/src/testdir/dumps/Test_cmdwin_wrong_command_2.dump  
2022-09-18 15:02:59.655536786 +0100
--- src/testdir/dumps/Test_cmdwin_wrong_command_2.dump  2022-09-18 
14:55:49.296512831 +0100
***************
*** 0 ****
--- 1,12 ----
+ | +0&#ffffff0@74
+ |~+0#4040ff13&| @73
+ |~| @73
+ |~| @73
+ |~| @73
+ |~| @73
+ |~| @73
+ |~| @73
+ |~| @73
+ |~| @73
+ |~| @73
+ |:+0#0000000&|l|s> @71
*** ../vim-9.0.0499/src/version.c       2022-09-18 13:46:03.699664837 +0100
--- src/version.c       2022-09-18 14:29:41.535907612 +0100
***************
*** 701,702 ****
--- 701,704 ----
  {   /* Add new patch number below this line */
+ /**/
+     500,
  /**/

-- 
A fool learns from his mistakes, a wise man from someone else's.

 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
///                                                                      \\\
\\\        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///

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