zsh: add zsh/emacs.zsh

2 files changed, 40 insertions, 2 deletions

diff --git a/_zsh/emacs.zsh b/_zsh/emacs.zsh
new file mode 100644
index 0000000..501ddb2
--- /dev/null
+++ b/_zsh/emacs.zsh
@@ -0,0 +1,37 @@
+#
+# zsh/emacs.zsh
+#
+# Credits:
+# https://github.com/robbyrussell/oh-my-zsh/tree/master/plugins/emacs
+#
+# 2016-02-21
+#
+
+function _emacsclient() {
+    # Get list of available X windows.
+    X=`emacsclient --alternate-editor '' --eval '(x-display-list)' 2>/dev/null`
+
+    if [ -z "$X" ] || [ "$X" = "nil" ]; then
+        # Create one if there is no X window yet.
+        command emacsclient --alternate-editor "" --create-frame "$@"
+    else
+        # Prevent creating another X frame if there is at least one present.
+        command emacsclient --alternate-editor "" "$@"
+    fi
+}
+
+alias emacs='_emacsclient -t'
+alias e=emacs
+# Same as 'M-x eval' but outside of Emacs
+alias eeval='_emacsclient --eval'
+# Create a new X frame
+alias eframe='_emacsclient --create-frame --no-wait'
+
+# Write to stdout the path to the file opened in the current buffer
+function efile() {
+    local cmd="(buffer-file-name (window-buffer))"
+    _emacsclient --eval "$cmd" | tr -d '"'
+}
+
+
+# vim: set ts=8 sw=4 tw=0 fenc=utf-8 ft=zsh: #
diff --git a/_zshrc b/_zshrc
index 696591d..0266dcc 100644
--- a/_zshrc
+++ b/_zshrc
@@ -19,7 +19,7 @@
 ##
 ## Aaron LI
 ## Created: 2014-05-31
-## Updated: 2016-01-30
+## Updated: 2016-02-21
 ##
 
 
@@ -31,10 +31,11 @@ source ~/.zsh/prompt.zsh
 source ~/.zsh/completion.zsh
 source ~/.zsh/aliases.zsh
 source ~/.zsh/bindkeys.zsh
-source ~/.zsh/vi-mode.zsh
 source ~/.zsh/functions.zsh
 source ~/.zsh/history.zsh
 source ~/.zsh/hooks.zsh
+source ~/.zsh/vi-mode.zsh
+source ~/.zsh/emacs.zsh
 
 ## Local configurations
 [ -r ~/.zshrc.local ] && source ~/.zshrc.local