diff options
| -rw-r--r-- | lisp/term.el | 11 | ||||
| -rw-r--r-- | test/lisp/term-tests.el | 12 |
2 files changed, 20 insertions, 3 deletions
diff --git a/lisp/term.el b/lisp/term.el index 93da33ea5b0..91eab771cf0 100644 --- a/lisp/term.el +++ b/lisp/term.el | |||
| @@ -2891,9 +2891,11 @@ See `term-prompt-regexp'." | |||
| 2891 | ;; If the last char was written in last column, | 2891 | ;; If the last char was written in last column, |
| 2892 | ;; back up one column, but remember we did so. | 2892 | ;; back up one column, but remember we did so. |
| 2893 | ;; Thus we emulate xterm/vt100-style line-wrapping. | 2893 | ;; Thus we emulate xterm/vt100-style line-wrapping. |
| 2894 | (cond ((eq (term-current-column) term-width) | 2894 | (when (eq (term-current-column) term-width) |
| 2895 | (term-move-columns -1) | 2895 | (term-move-columns -1) |
| 2896 | (setq term-do-line-wrapping t))) | 2896 | ;; We check after ctrl sequence handling if point |
| 2897 | ;; was moved (and leave line-wrapping state if so). | ||
| 2898 | (setq term-do-line-wrapping (point))) | ||
| 2897 | (setq term-current-column nil) | 2899 | (setq term-current-column nil) |
| 2898 | (setq i funny)) | 2900 | (setq i funny)) |
| 2899 | (pcase-exhaustive (and (<= ctl-end str-length) (aref str i)) | 2901 | (pcase-exhaustive (and (<= ctl-end str-length) (aref str i)) |
| @@ -2993,6 +2995,9 @@ See `term-prompt-regexp'." | |||
| 2993 | (substring str i ctl-end))))) | 2995 | (substring str i ctl-end))))) |
| 2994 | ;; Ignore NUL, Shift Out, Shift In. | 2996 | ;; Ignore NUL, Shift Out, Shift In. |
| 2995 | ((or ?\0 #xE #xF 'nil) nil)) | 2997 | ((or ?\0 #xE #xF 'nil) nil)) |
| 2998 | ;; Leave line-wrapping state if point was moved. | ||
| 2999 | (unless (eq term-do-line-wrapping (point)) | ||
| 3000 | (setq term-do-line-wrapping nil)) | ||
| 2996 | (if (term-handling-pager) | 3001 | (if (term-handling-pager) |
| 2997 | (progn | 3002 | (progn |
| 2998 | ;; Finish stuff to get ready to handle PAGER. | 3003 | ;; Finish stuff to get ready to handle PAGER. |
diff --git a/test/lisp/term-tests.el b/test/lisp/term-tests.el index 234dfa1f0d5..8aaa61a210b 100644 --- a/test/lisp/term-tests.el +++ b/test/lisp/term-tests.el | |||
| @@ -124,6 +124,18 @@ line6\r | |||
| 124 | 40 12 (list "\eAnSiTc /f" "oo/\n") 'default-directory) | 124 | 40 12 (list "\eAnSiTc /f" "oo/\n") 'default-directory) |
| 125 | "/foo/")))) | 125 | "/foo/")))) |
| 126 | 126 | ||
| 127 | (ert-deftest term-line-wrapping-then-motion () | ||
| 128 | "Make sure we reset the line-wrapping state after moving cursor. | ||
| 129 | A real-life example is the default zsh prompt which writes spaces | ||
| 130 | to the end of line (triggering line-wrapping state), and then | ||
| 131 | sends a carriage return followed by another space to overwrite | ||
| 132 | the first character of the line." | ||
| 133 | (let* ((width 10) | ||
| 134 | (strs (list "x" (make-string (1- width) ?_) | ||
| 135 | "\r_"))) | ||
| 136 | (should (equal (term-test-screen-from-input width 12 strs) | ||
| 137 | (make-string width ?_))))) | ||
| 138 | |||
| 127 | (provide 'term-tests) | 139 | (provide 'term-tests) |
| 128 | 140 | ||
| 129 | ;;; term-tests.el ends here | 141 | ;;; term-tests.el ends here |