From cb9aa3515ac00826fd27ade7dfc829134ed38acc Mon Sep 17 00:00:00 2001 From: Vasilij Schneidermann Date: Thu, 1 Jun 2017 21:25:58 +0300 Subject: Add customizable to display raw bytes as hex * src/xdisp.c (get_next_display_element): Dispatch used format string for unprintables based on new display-raw-bytes-as-hex variable. (display-raw-bytes-as-hex): New variable. (Bug#27122) * lisp/cus-start.el: Add defcustom form for display-raw-bytes-as-hex. * doc/emacs/display.texi: Document the new variable. * etc/NEWS: Mention display-raw-bytes-as-hex. * test/manual/redisplay-testsuite.el (test-redisplay-5-toggle) (test-redisplay-5): New tests. (test-redisplay): Call test-redisplay-5. --- test/manual/redisplay-testsuite.el | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) (limited to 'test/manual/redisplay-testsuite.el') diff --git a/test/manual/redisplay-testsuite.el b/test/manual/redisplay-testsuite.el index 694d55ab1db..2175cbab1b7 100644 --- a/test/manual/redisplay-testsuite.el +++ b/test/manual/redisplay-testsuite.el @@ -34,7 +34,8 @@ (setq overlay (make-overlay opoint (point))) (while props (overlay-put overlay (car props) (cadr props)) - (setq props (cddr props))))) + (setq props (cddr props))) + overlay)) (defun test-redisplay-1 () (insert "Test 1: Displaying adjacent and overlapping overlays:\n\n") @@ -293,6 +294,29 @@ static unsigned char x_bits[] = {0xff, 0x81, 0xbd, 0xa5, 0xa5, 0xbd, 0x81, 0xff (insert "\n")) +(defvar test-redisplay-5-expected-overlay nil) +(defvar test-redisplay-5-result-overlay nil) + +(defun test-redisplay-5-toggle (_event) + (interactive "e") + (setq display-raw-bytes-as-hex (not display-raw-bytes-as-hex)) + (let ((label (if display-raw-bytes-as-hex "\\x80" "\\200"))) + (overlay-put test-redisplay-5-expected-overlay 'display + (propertize label 'face 'escape-glyph)))) + +(defun test-redisplay-5 () + (insert "Test 5: Display of raw bytes:\n\n") + (insert " Expected: ") + (setq test-redisplay-5-expected-overlay + (test-insert-overlay " " 'display + (propertize "\\200" 'face 'escape-glyph))) + (insert "\n Result: ") + (setq test-redisplay-5-result-overlay + (test-insert-overlay " " 'display "\200")) + (insert "\n\n") + (insert-button "Toggle between octal and hex display" + 'action 'test-redisplay-5-toggle)) + (defun test-redisplay () (interactive) @@ -309,5 +333,6 @@ static unsigned char x_bits[] = {0xff, 0x81, 0xbd, 0xa5, 0xa5, 0xbd, 0x81, 0xff (test-redisplay-2) (test-redisplay-3) (test-redisplay-4) + (test-redisplay-5) (goto-char (point-min)))) -- cgit v1.2.3