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2017-09-13stdlib: Fix jumping to beginning or end of lineDan Gudmundsson
When cursor is before or after a multi-codepoint grapheme cluster.
2017-08-16stdlib: Improve edlin handling of unicode charsDan Gudmundsson
Let edlin handle grapheme clusters instead of codepoints to improve the handling multi-codepoints characters. The ttsl driver (and protocol) still expects all lengths as codepoints. Previously it was expected that each codepoint used (at least) one terminal column for each codepoint, and a hack was made for wide characters (multicolumn) by patching in TAGGED characters to occupy the extra space so that codepoint index was equal column index. This didn't work at all for combining codepoints that do not occupy any more space than the previous character. Improved this handling by calculating column positions in move_cursor. This is based on wcwidth() and is not perfect, wcwidth() is wrong for some codepoints and wcwidth() can not know with Hangul graphemes for example. But it works better than before without making a major change in the protocol.
2016-03-15update copyright-yearHenrik Nord
2016-01-01Do not consider "." part of names in edlinJosé Valim
Today, if you press Ctrl+W inside erl, it will erase word chars including dots. This may have made sense in the past when Erlang had packages, but today considering the most common case for dots inside erl is to work with records, considering the dot part of the word is rather a mistake. For example, imagine the following code, where [] is the cursor: 1> S#elixir_scope.name[] When I press Ctrl+W it erases all up to #: 1> S#[] This patch changes it to the dot is no longer considered part of the name: 1> S#elixir_scope.[] Which is rather expected behaviour for most use cases of dot in Erlang.
2015-07-16Erlang shell: Support keys Del, Home and EndTom Szilagyi
Add support for the Delete, Home and End keys in the Erlang shell. These keys are ubiquitous on modern keyboards. Having them working as expected adds to the convenience of working in the shell, since they are much easier to use than the corresponding Ctrl-{D,A,E} keys. The implementation is in line with the existing framework of the line editor and is thus a natural (and minimal) extension.
2015-06-18Change license text to APLv2Bruce Yinhe
2015-04-22Fix problem with unitialized edlin text bufferPeter Andersson
Also make it possible to copy text buffer from current group process to the JCL mode
2014-10-01Make shell ctrl-u save killed text correctlySteve Vinoski
Fix edlin to correctly save text killed with ctrl-u. Prior to this fix, entering text into the Erlang shell and then killing it with ctrl-u followed by yanking it back with ctrl-y would result in the yanked text being the reverse of the original killed text. Add a test for the fix to interactive_shell_SUITE. (This is the same fix as in PR#416, but that PR was never completed.)
2013-08-26Merge branch 'maint'Fredrik Gustafsson
2013-08-07make edlin understand a few important control keysStefan Zegenhagen
Hi Fredrik, > I've gotten some feedback from your review, > You need to add documentation under Erts-> "User's Guide" -> "tty - A > command line interface" > > You need to add testcase in interactive_shell_SUITE a simplified > example of how this testcase could look like; > ctrl_w_and_ctrl_u(_Conf) -> > rtnode([{putline,""}, {putline, "2."}, {getline, "2"}, > {putline,"xxx yy"++[$\^w]++"."}, {getline,"xxx"}, {putline,"xxx > yy"++[$\^u]++"z."}, {getline,"z"}],[]). Please find an updated version of the patch attached to this e-mail. I hope that you still accept it via e-mail because the former patch was sent the same way ;-). I have extended the documentation to list the new key combinations and added tests to make sure they work. Kind regards, -- Dr. Stefan Zegenhagen arcutronix GmbH Garbsener Landstr. 10 30419 Hannover Germany Tel: +49 511 277-2734 Fax: +49 511 277-2709 Email: [email protected] Web: www.arcutronix.com *Synchronize the Ethernet* General Managers: Dipl. Ing. Juergen Schroeder, Dr. Josef Gfrerer - Legal Form: GmbH, Registered office: Hannover, HRB 202442, Amtsgericht Hannover; Ust-Id: DE257551767. Please consider the environment before printing this message. >From ce4b827c78d18f39bb1146fd2959ffd7ae2b4bb6 Mon Sep 17 00:00:00 2001 From: Stefan Zegenhagen <[email protected]> Date: Mon, 6 May 2013 14:39:07 +0200 Subject: [PATCH] [EDLIN] support a few more control keys Add support for the following control keys that many users have become accustomed to: - <CTRL>+W : backward kill word - <CTRL>+U : backward kill line - <HOME> : goto start of line - <END> : goto end of line - <CTRL>+<LEFT> : backward word - <CTRL>+<RIGHT> : forward word It seems that the <CTRL>+<LEFT|RIGHT> control key sequences are different between terminal emulators, therefore a few possible combinations were added (similar to how libreadline is configured). Documentation and tests are extended to reflect the new functionality.
2013-04-19Remove the "coding: utf-8" comment from all Erlang source filesHans Bolinder
2013-01-19Add search to Erlang shell's historyFred Hebert
Search mode can be entered by pressing ctrl-r. Enter terms and press ctrl-r again to search backwards, or ctrl-s to then search forward (if you terminal doesn't eat up that one). Press enter to execute the line, or use tab, arrow keys, or other control sequences (^D, ^K, etc.) to exit search mode while remaining on the last found line. Exiting is also possible by pressing the escape key twice. The search mode is a simpler version of the one available in bash or zsh shells. This adds a few modes to the shell (search, on top of none and meta) in group.erl for history search, and a few more in edlin.erl to change the meaning of control sequences while searching.
2013-01-09Prepare OTP files for Unicode as default encodingHans Bolinder
2010-03-09Readline-style line edit historyDave Peticolas
Change the shell's line buffer mechanism to more closely match readline-based shells. New behavior: 1. Blank lines are not added to the line buffer. 2. Pressing the down arrow on the last line causes no change. The previous behavior erased the line. 3. The new line is temporarily added to the line buffer so the user can move to previous lines with up arrows and then back to the new line with down arrows. The previous behavior discarded the partially written new line. 4. Changes made to previous lines while exploring the line buffer history are preserved. The previous behavior discarded changes made to older lines.
2010-02-10stdlib: clean up as suggested by tidierKostis Sagonas
Hans Bolinder (the author/maintainer of qlc) prefers for readability reasons to use length/1 in a guard when it is known that the list is guaranteed to be short, so the change suggested by tidier for line 875 of qlc_pt has not been included.
2010-01-20Merge branch 'uw/shell-tab-completion' into ccase/r13b04_devErlang/OTP
* uw/shell-tab-completion: Shell tab completion now works for quoted module and function names OTP-8383 Shell tab completion now works for quoted module and function names. (Thanks to Ulf Wiger.)
2010-01-07Shell tab completion now works for quoted module and function namesUlf Wiger
While quoted atoms in module and function names are not common, they are allowed, and sometimes quite useful. In OTP, they are commonplace in ORBER, and can also be found in XMERL. Tab completion needs to recognize quoted atoms and act accordingly. This patch includes changes in edlin:over_word/1. It should be noted that these changes also affect the 'kill word', 'forward word' and 'backward word' commands in the line editor. The author thinks that the changes are for the better. There are also minor changes in edlin_expand.erl - mainly in regard to the conversion between atoms and strings. Another change is that the list of matches is now sorted, partly to simplify testing, but also because it seems sensible to present the matches that way. A test suite, edlin_expand_SUITE, has been added to the stdlib test suites. (amended 2009-12-18 to actually include the modified files too and again to rename the capitalized test modules for portability.)
2009-11-20The R13B03 release.OTP_R13B03Erlang/OTP