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zh-cn:tips [2012/04/27 17:13] – [How to customize starting Xfce] haobugzh-cn:tips [2015/03/10 05:06] (current) – [Do maths with xfrun4/appfinder] yjwork
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-===== Use the desktop margin =====+===== 使用桌面空白边 =====
  
-To set the desktop margins, use the Settings Manager (**Settings Manager > Workspaces & Margins > Margins**).+用“设置管理器”（**设置管理器 > 工作区和空白边 > 空白边**）设置桌面空白边。
  
-The desktop margins are used to limit the size of maximized windows. This may be useful to avoid switching workspaces by accidentally mousing off the side of the screen.+桌面空白边用来限制最大化的窗口的大小。这有助于避免鼠标移动到屏幕边上时意外地切换工作区。
  
-The margins are also useful if you have only one Xfce panel: the margin area leaves a clear space to pull up application or workspace menus. By default, right click on the desktop (the margin) to show the Xfce menu, or middle (left+right) click to show the workspace menu.+如果你只有一个 Xfce 面板，空白边也有很有用： 空白边区域留出一个清晰的空白，用于调出“应用程序”菜单或者“工作区”菜单。默认的，在桌面（空白边）上右击显示 Xfce 菜单，中键（或者左键+右键）点击显示工作区菜单。
  
-The size of the margins is in pixels, so, with a reasonably modern monitor, at a resolution of, say 1680 x 1050, a setting of '10' will give a margin of about 1/8 of an inch. Note that nothing will change on any open window until you minimize and re-maximize it again. Also note that these margins only apply to maximized windows -- you can manually resize any window right to the edge of the screen if you want to.+空白边的大小以像素为单位，所以在比较新近的显示器上，以分辨率1680 x 1050为例, ‘10’ 会留出大约 1/8 英寸（0.3175厘米）的空白。注意，已经打开的窗口在最小化再还原后才会生效。另外还要注意，这只应用于最大化的窗口 —— 你可以手工地改变窗口的大小到屏幕边缘。 
 +===== 处理 ACPI 电源按钮事件，显示 Xfce 注销选项 =====
  
-===== Handle acpi event for power button, show Xfce logout options =====+如果你想在你按下电源按钮时显示注销菜单，并且你的机器支持 ACPI，那就按下面的步骤做吧：
  
-If you would like the xfce logout menu to show up when you press your power button, and your machine has acpi support, then do the following: +==== 解决方案 1 ====
- +
-==== Solution 1 ====+
    * ''/etc/acpi/events/powerbtn''    * ''/etc/acpi/events/powerbtn''
-<file>+<file bash>
 # /etc/acpi/events/powerbtn # /etc/acpi/events/powerbtn
-# This is called when the user presses the power button and calls +# 当用户按下电源按钮时这文件会被调用并且调用 
-# /etc/acpi/powerbtn.sh for further processing. +# /etc/acpi/powerbtn.sh 作进一步处理。
-  +
-# Optionally you can specify the placeholder %e. It will pass +
-# through the whole kernel event message to the program you've +
-# specified.+
    
-# We need to react on "button power.*" and "button/power.*" because +# 你也可以用 %e 这个占位符来把整个内核事件消息传给你指定的程序。 
-# of kernel changes.+ 
 +# 我们需要对 "button power.*" 和 "button/power.*" 都作出反应， 
 +# 因为内核做了改动。
  
 event=button[ /]power event=button[ /]power
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   * ''/usr/local/sbin/xfce4-shutdown-as-user.sh''   * ''/usr/local/sbin/xfce4-shutdown-as-user.sh''
-<file>+<file bash>
 #!/bin/sh  #!/bin/sh 
 # xfce4-shutdown-as-user.sh # xfce4-shutdown-as-user.sh
 # #
-# Check how many users are currently logged into X. +# 检查当前有多少用户登录了 X。如果只有一个用户登录， 
-# If only one user is logged in, run a script which sets +# 就执行脚本设置环境来调用 xfce4-session-logout。
-# up the environment to call xfce4-session-logout.+
  
 LOGGED_IN_USER=`ls -trl /tmp/.ICE-unix/ | tail -n -1 | cut -d' ' -f3` LOGGED_IN_USER=`ls -trl /tmp/.ICE-unix/ | tail -n -1 | cut -d' ' -f3`
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   * ''/usr/local/sbin/xfce4-user-session-shutdown.sh''   * ''/usr/local/sbin/xfce4-user-session-shutdown.sh''
-  <file>+  <file bash>
 #!/bin/sh #!/bin/sh
 # xfce4-user-session-shutdown.sh # xfce4-user-session-shutdown.sh
 # #
-# Set up the environment so that DISPLAY and +# 设置环境变量，使 DISPLAY 和 SESSION_MANAGER 为有效的， 
-# SESSION_MANAGER are valid, and xfce4-session-logout can run+# 并且可以执行 xfce4-session-logout 
  
 HOST=`hostname` HOST=`hostname`
 SESSION_ID=`ls -t /tmp/.ICE-unix/ | head -n1` SESSION_ID=`ls -t /tmp/.ICE-unix/ | head -n1`
-# Note that distros use different syntax for the SESSION_MANAGER variable (this script has Debian's format). +# 注意，发行版们的 SESSION_MANAGER 变量使用不同的语法（这时用的是 Debian 格式） 
-# If this does not work, then try something like SESSION_MANAGER="local/$HOST:@/tmp/.ICE-unix/$SESSION_ID" +# 如果这个不能用，请试着修改为类似于  
-# instead. You can always find the correct format for your distribution by looking at the +# SESSION_MANAGER="local/$HOST:@/tmp/.ICE-unix/$SESSION_ID" 这样的。 
-# value of SESSION_MANAGER in a X session.+# 通过在 X 会话中查看 SESSION_MANAGER 的值，你总可以找到你的发行版的正确的格式 
 DISPLAY=:0 SESSION_MANAGER="local/$HOST:/tmp/.ICE-unix/$SESSION_ID" /usr/bin/xfce4-session-logout DISPLAY=:0 SESSION_MANAGER="local/$HOST:/tmp/.ICE-unix/$SESSION_ID" /usr/bin/xfce4-session-logout
   </file>   </file>
  
-   * Make those scripts executable : +   * 让这些脚本可执行 : 
-<code>+<code bash>
 chmod +x /usr/local/sbin/xfce4-user-session-shutdown.sh /usr/local/sbin/xfce4-shutdown-as-user.sh chmod +x /usr/local/sbin/xfce4-user-session-shutdown.sh /usr/local/sbin/xfce4-shutdown-as-user.sh
 </code> </code>
-==== Solution 2 ==== +==== 解决方案 2 ==== 
-   * Open Settings Manager (or by command : xfce4-settings-manager ) +   * 打开“设置管理器”（或者用命令：xfce4-settings-manager） 
-   * Open Power Manager settings +   * 打开“电源管理器” 
-   * In General : set //When power button is pressed// to //Ask// +   * 一般设置：设置//按下电源按钮时//为//询问// 
-   * Close Power Manager settings +   * 关闭“电源管理器” 
-   * In the file **/etc/acpi/events/power_button** , change the //action// field to ///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> <file>
 event=button/power.* event=button/power.*
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 action=/bin/true action=/bin/true
 </file> </file>
-===== Use mnemonics to create Thunar Custom Actions =====+===== 使用助记符创建 Thunar 自定义动作 =====
  
-When you create a [[http://thunar.xfce.org/pwiki/documentation/custom_actions|Thunar Custom Action]] you can set the name with an underscore "_" before a letter to use it as mnemonic.  When you right click in a Thunar view, you can type the letter to access your custom action.+当你创建一个 [[http://thunar.xfce.org/pwiki/documentation/custom_actions|自定义动作]] 时，你可以设置一个字母前面带 “_”（下划线）的名字，这个字母作为助记符。当你在 Thunar 中点击右键时你可以按这个字母来访问你的自定义动作。 
 +=====通过 xfrun4 打开用户手册页=====
  
-===== Accessing man pages through xfrun4 ===== +使用 '#' 作为在 xfrun4 中打开一个用户手册页的快捷方式。例如，#man 
-Use '#' as a shortcut to open man pages using xfrun4. e.g. #man+ 
 +===== 使用 xfrun4/应用程序查找器 做数学运算 ===== 
 +  * 能干嘛: 在xfrun4/应用程序查找器 中,输入简单的数学运算式子,比如  5+5 或 (5+5)/3 或 .5*10, 运算结果将显示在桌面通知中. 
 +  * 需要有此命令: 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>