macos 使 iTerm 以与其他操作系统相同的方式翻译“元密钥”
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Making iTerm to translate 'meta-key' in the same way as in other OSes
提问by ejel
In bash shell with emacs key-binding, you can use key combination like M-f, M-b to move one word forward or backward on the shell prompt respectively. Usually, the meta key is mapped to Alt key on Windows and Linux. However, in iTerm, I could not find a way to map this meta key to either Option or Command key on my MacBook Pro.
在带有 emacs 键绑定的 bash shell 中，您可以使用 Mf、Mb 等组合键分别在 shell 提示符下向前或向后移动一个单词。通常，元键映射到 Windows 和 Linux 上的 Alt 键。但是，在 iTerm 中，我找不到将此元键映射到 MacBook Pro 上的 Option 或 Command 键的方法。
It seems that in OS X, the meta key is by default mapped to ESC key. So you can use ESC-f, ESC-b on iTerm. However, ESC key is apparently not practical to use. In addition, iTerm does have option that allow you to modifier mapping for the meta key (Bookmarks > Profiles > Keyboard Profiles > Global > Option Key as...), this setting does not seem to work at all.
似乎在 OS X 中，元键默认映射到 ESC 键。所以你可以在 iTerm 上使用 ESC-f、ESC-b。但是，ESC 键显然不实用。此外，iTerm 确实有允许您修改元键映射的选项（书签 > 配置文件 > 键盘配置文件 > 全局 > Option Key as...），此设置似乎根本不起作用。
Therefore, if anyone know what is the solution to this problem, please let me know.
因此，如果有人知道此问题的解决方案是什么，请告诉我。
I have upgraded to the latest release, 0.9.6.1012, and this behavior is still persist.
我已升级到最新版本 0.9.6.1012，但这种行为仍然存在。
Edit:Some clarification to my question. The key-binding I'm talking about is for bash shell, not in emacs. It just happens that, by default, bash shell also use the same key-binding as emacs.
编辑：对我的问题的一些澄清。我正在谈论的键绑定是针对 bash shell，而不是在 emacs 中的。碰巧的是，默认情况下，bash shell 也使用与 emacs 相同的键绑定。
回答by
Cmd+., Profiles, Keysand choose Left option Key acts as: +Esc.
Cmd+., Profiles,Keys并选择Left option Key acts as: +Esc。
Works for me in emacs, though I'm not sure if it will have any other undesirable effects.
在 emacs 中对我有用，但我不确定它是否会产生任何其他不良影响。
回答by Dag H?idahl
Go to Bookmarks > Manage Profiles. Then select Keyboard Profiles > Globaland choose Option Key as Meta. This works for me in version 0.9.6.1201.
转至书签 > 管理个人资料。然后选择键盘配置文件 > 全局并选择Option Key 作为 Meta。这在 0.9.6.1201 版本中对我有用。
回答by Dag H?idahl
In Menu bar Iterm2 => Preferences => Profiles choose the keys tab and select
在菜单栏中 Iterm2 => Preferences => Profiles 选择键选项卡并选择
left Option key act as +Esc
左 Option 键充当 +Esc
worked for me as well in irssi.
在 irssi 中也对我来说有效。
回答by nyenyec
I couldn't get the Alt key working either but there is a workaround that makes it at least function for word navigation via the cursor keys:
我也无法让 Alt 键工作，但有一种解决方法可以使其至少通过光标键进行单词导航：
Skip to Next or Previous Word in iTerm Using Alt / Option + Left or Right Arrow Keys
回答by ches
Going all zombie resurrection here, but for sake of posterity --
在这里进行所有僵尸复活，但为了后代——
This postgot it working as you desire for me, for M-b and M-f, while keeping 'Option Key as Meta' set so you don't sacrifice a modifier (I have vim mappings using meta, personally).
这篇文章让它按照你对 Mb 和 Mf 的期望工作，同时保持“Option Key as Meta”设置，这样你就不会牺牲一个修饰符（我个人有使用元的 vim 映射）。
In summary, in your Global Keyboard Profile, add two new mappings with settings:
总之，在您的全局键盘配置文件中，添加两个带有设置的新映射：
- Key as hex code, value of 62 for b, 66 for f (
man ascii) - Modifier as Option
- Action as send escape sequence, value b or f
- 键为十六进制代码，b 值为 62，f (
man ascii)值为 66 - 修饰符作为选项
- 操作作为发送转义序列，值 b 或 f
The only thing I still miss from Terminal.app is Opt-Backspaceto delete by word. There are other workarounds for that, but I'm just trying to train myself to use Ctrl-w.
我仍然想念 Terminal.app 的唯一一件事就是Opt-Backspace逐字删除。还有其他解决方法，但我只是想训练自己使用Ctrl-w.
回答by George
It's easier in iTerm2. Go to preferences->bookmark->keyboard and select Option sends +ESC. In iTerm2 you can configure the left and right option keys separately, so remember to change both if that's what you want. Link for iTerm2: http://sites.google.com/site/iterm2home/
在 iTerm2 中更容易。转到首选项-> 书签-> 键盘并选择选项发送 +ESC。在 iTerm2 中，您可以分别配置左右选项键，因此如果您想要，请记住同时更改两者。iTerm2 的链接：http://sites.google.com/site/iterm2home/
回答by George
Go to Bookmarks > Manage Profiles. Then select Keyboard Profiles > Global and choose Option Key as +ESC.
转至书签 > 管理个人资料。然后选择键盘配置文件 > 全局并选择选项键为 +ESC。
Works in iTerm Build 0.9.5.0611 & Build 0.9.6.20090415
适用于 iTerm Build 0.9.5.0611 & Build 0.9.6.20090415
回答by holms
I found some solution on stackoverflow also, just go to keyboard profile and in "Global" change "Option key as" +ESC
我也在 stackoverflow 上找到了一些解决方案，只需转到键盘配置文件并在“全局”中将“选项键更改为”+ESC
that works for me perfectly =) btw some iterm patch exists also look here: http://www.emacswiki.org/emacs/EmacsForMacOS
这对我来说非常适用 =) 顺便说一句，也存在一些 iterm 补丁，请看这里：http://www.emacswiki.org/emacs/EmacsForMacOS
回答by M. Demianchuk
I use iTerm2, and for me, this answerjust partially solved my problem:
我使用iTerm2，对我来说，这个答案只是部分解决了我的问题：
Cmd+,=> Profiles=> Keysand choose Left option Key acts as: +Esc.
Cmd+ ,=> Profiles=> Keys并选择 Left option Key 作为：+Esc。
In addition to that, I had to go to Cmd+,=> Profiles=> Keysand in the Key Mappingslist find both Key Combinations: 
and 
, double click them and change their shortcuts to the following:
除此之外，我必须转到Cmd+ ,=> Profiles=> Keys并在Key Mappings列表中找到两个Key Combinations:和，双击它们并将它们的快捷方式更改为以下内容：
*Make sure to select Send Escape Sequenceaction.
*确保选择发送转义序列操作。
回答by Mikhail at YugaByte
Here is what worked for me: Bookmarks > Manage Profiles > Keyboard Profiles > Global/xterm > Option Key as +Esc. With this, I can use Option+Enter in Midnight Commander and the currently selected file/directory name shows up in the command string, as it should. Option Key as Meta did not work for me. My build of iTerm is 0.10.
这对我有用：书签 > 管理配置文件 > 键盘配置文件 > 全局/xterm > Option Key as +Esc。有了这个，我可以在 Midnight Commander 中使用 Option+Enter 并且当前选择的文件/目录名称显示在命令字符串中，这是应该的。Option Key as Meta 对我不起作用。我的 iTerm 版本是 0.10。
