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--- zh-cn:tips [2012/04/28 17:30] – [处理 ACPI 电源按钮事件，显示 Xfce 注销选项] haobug
+++ zh-cn:tips [2015/03/10 04:50] – [Do maths with xfrun4/appfinder] yjwork
@@ Line 198: / Line 198: @@
    * 一般设置：设置//按下电源按钮时//为//询问//
    * 关闭“电源管理器”
-   * 在文件 **/etc/acpi/events/power_button**，修改  //action// 字段的值为 ///bin/true// ：
+   * 如果您安装有 ACPI 脚本,从 **/etc/acpi/events/** 停用或更新电源按钮脚本, 修改  //action// 字段的值为 ///bin/true//:
 <file>
 event=button/power.*
@@ Line 210: / Line 210: @@
 使用 '#' 作为在 xfrun4 中打开一个用户手册页的快捷方式。例如，#man
+===== Do maths with xfrun4/appfinder =====
+  * What you get: input simple mathematical expression, like 5+5 or (5+5)/3 or .5*10, in xfrun4/appfinder, and get the result as notification.
+  * 要求: notify-send
+  * 在您的家目录,保存此脚本为 bcme.sh :
+  #!/bin/sh
+  precision=2        # number of digit for floating value
+  notify_time=20000  # number of milisecond the notification show
+  res=`echo "scale=$precision;$@" | bc`
+  notify-send -t $notify_time "$res" "=$@"
+  *在应用程序查找器添加自定义动作 :
+    * 类型 : 正则表达式
+    * 类型 : ^([0-9]|\(|\.).*
+    * 命令 : /bin/sh ~/bcme.sh \0
+    *  (勾选) 在命令历史中保存匹配的
+====== Xfconf =====
+===== Toggle panel autohide =====
+Short Bash script to toggle the autohide property of a panel, so you can bind for example a keyboard shortcut to quickly show and hide a panel.
+<code bash>
+#!/bin/sh
+test -z "$1" && echo missing panel id  && exit 1
+test ! -z "`echo $1 | sed s/[0-9]*//g`" && echo bad panel id  && exit 1
+CHANNEL=xfce4-panel
+PANELID=$1
+PROP=/panels/panel-$PANELID/autohide
+if `xfconf-query -c $CHANNEL -p $PROP >/dev/null 2>&1`; then
+    xfconf-query -c $CHANNEL -T -p $PROP
+else
+    xfconf-query -c $CHANNEL -n -p $PROP -t bool -s false
+fi
+</code>

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