More Emacs for NetBeans

• More Emacs is a NetBeans module for emacs users.
• NetBeans provides the emacs like key bindings. But emacs users require more emacs like key bindings. More emacs plugin provides more emacs like key bindings.

Install

• JDK 1.8 or higher required.
  • Only for mac user: see the settings for meta key.
• For NetBeans 8.1, it can be installed from the plugin manager of IDE.
  • Open "Tools/Plugins" dialog.
  • Open "Available Plugins" tab, select "MoreEmacs", then press "Install" button.
  • Open "Tools/Options" dialog, and open Keymap tab, select "MoreEmacs".

Manual Install

Of cause, you can install manually.

• Download the nbm file from NetBeans Plugin Portal.
• Open Tools/Plugins dialog.
• Open Downloaded tab, press "Add Plugin...", select the nbm file, press "Install".
• Open "Tools/Options" dialog, and open Keymap tab, select "MoreEmacs".

Key Bindings

• The following lists are major key bindings of more emacs.
  • 'rebind' means the rebind of NetBeans implementation.
  • 'nb emacs' means the binding of NetBeans Emacs bidings.

Editor Bindings

• The complete editor bindings definition of MoreEmacs.
  • modifier symbols
• For mac user, both option key and command key are assigned to meta key.

function	binding	description
C-space	MoreEmacs set-mark	mark current posision
C-x C-x	MoreEmacs exchange-point-and-mark
C-w	MoreEmacs kill-region	cut region to clipboard
M-w	MoreEmacs kill-ring-save	copy region to clipboard
C-y	paste-from-clipboard	nb emacs
C-x u	undo	nb emacs
C-/	undo	nb emacs
M-/	completion-show	rebind
C-M-/	all-completion-show	rebind
C-f	caret-forward	nb emacs
C-b	caret-backward	nb emacs
MS-,	caret-begin	nb emacs
MS-.	caret-begin	nb emacs
C-a	caret-line-first-column	nb emacs
C-e	caret-begin	nb emacs
C-p	caret-up	nb emacs
C-n	caret-down	nb emacs
C-v	page-down	nb emacs
M-v	page-up	nb emacs
C-l	adjust-window-center	rebind
C-k	cut-to-line-end	nb emacs
C-d	delete-next	nb emacs
DEL	delete-next	nb emacs
C-h	delete-previous	rebind
BS	delete-previous	rebind
M-|MoreEmacs delete-horizontal-space
M-f	MoreEmacs forward-word
M-b	MoreEmacs backward-word
M-d	MoreEmacs kill-word
M-BS	MoreEmacs backward-kill-word
M-c	MoreEmacs capitalize-word
M-u	MoreEmacs upcase-word
M-l	MoreEmacs downcase-word
C-c C-c	MoreEmacs toggle-comment-region	toggles comment
C-i	MoreEmacs indent-line
TAB	MoreEmacs indent-line
C-q TAB	insert-tab	nb emacs
C-j	insert-break	rebind
C-m	MoreEmacs new-line
C-o	split-line	rebind
C-x r k	MoreEmacs kill-rectangle
C-x r y	MoreEmacs yank-rectangle
C-s	find	nb emacs
C-r	find	rebind
M-s	find-next	nb emacs
M-r	find-previous	nb emacs
MS-5	replace	nb emacs
C-g	MoreEmacs keyboard-quit	dispatch escape key down/up events internally.
C-t	MoreEmacs transpose-chars	Sorry, the display may get corrupted.
M-t	MoreEmacs transpose-words
MS-f	fix-imports	nb emacs
M-S-r	in-place-refactoring	rebind

Menu Bindings

• The complete menu bindings definition of MoreEmacs.
  • modifier symbols

function	binding	description
C-x C-s	SaveAction	nb emacs
C-x C-f	OpenFileAction	nb emacs
C-x 1	MaximizeWindowAction	nb emacs
C-x k	CloseWindowAction	nb emacs
C-x 0	CloseWindowAction	rebind
C-x C-c	CloseAllDocumentsAction	rebind. This is my preference.

Unicode

• The supplementary characters are supported. All characters are treated as code point.
• East Asian Width is supported. In the column calculation of rectangle operation, the width of ambiguous characters are 2 for CJK languages and 1 for other languages.

Meta Key on Mac

• MoreEmacs assigns both commnad key and option key to meta key in the editor bindings.
• To use option key as meta key, the following settings are required.
• Edit NetBeans configuration file as follows:
  • Open /Applications/NetBeans/NetBeans NBVERSION.app/Contents/Resources/NetBeans/etc/netbeans.conf by text editor.
  • Add -J-Dnetbeans.editor.keymap.compatible=true at end of value of netbeans_default_options parameter. (see following diff result)
  • Restart NetBeans.

> diff -U0 "/Applications/NetBeans/NetBeans 8.1.app/Contents/Resources/NetBeans/etc/netbeans.conf"{.orig,}
--- /Applications/NetBeans/NetBeans 8.1.app/Contents/Resources/NetBeans/etc/netbeans.conf.orig	2015-12-19 10:21:02.000000000 +0900
+++ /Applications/NetBeans/NetBeans 8.1.app/Contents/Resources/NetBeans/etc/netbeans.conf	2015-12-20 16:58:06.000000000 +0900
@@ -46 +46 @@
-netbeans_default_options="-J-client -J-Xss2m -J-Xms32m -J-Dapple.laf.useScreenMenuBar=true -J-Dapple.awt.graphics.UseQuartz=true -J-Dsun.java2d.noddraw=true -J-Dsun.java2d.dpiaware=true -J-Dsun.zip.disableMemoryMapping=true"
+netbeans_default_options="-J-client -J-Xss2m -J-Xms32m -J-Dapple.laf.useScreenMenuBar=true -J-Dapple.awt.graphics.UseQuartz=true -J-Dsun.java2d.noddraw=true -J-Dsun.java2d.dpiaware=true -J-Dsun.zip.disableMemoryMapping=true -J-Dnetbeans.editor.keymap.compatible=true"

Change Log

• 2015/12/18
  • v1.0.0 release
• 2015/12/15
  • changed C-r to find
  • added M-S-r as in-place-refactoring
• 2015/12/12
  • Prepareing the first release.

Links

• NetBeans Plugin Portal
• MoreEmacs on NetBeans Plugin Portal
• NetBeans Bug 99443 - support emacs set-mark-command (C-Space, C-@)