# Arch / Manjaro下Firefox不能呼叫Fcitx輸入法 What to do?

## 結論：

$ pacman -S fcitx5-chewing fcitx5-configtool fcitx5-gtk

$ echo "# Fcitx5
GTK_IM_MODULE=fcitx
QT_IM_MODULE=fcitx
XMODIFIERS=@im=fcitx
SDL_IM_MODULE=fcitx
GLFW_IM_MODULE=ibus" | sudo tee -a /etc/environment > /dev/null 2>&1

$ fcitx5-configtool     # 手動加入輸入法

$ reboot now            # 重開機enjoy

:::info

* [Archlinux - Fcitx5](https://wiki.archlinux.org/title/Fcitx5)
* 有需要繁體簡體轉換也可以下載fcitx5-chinese-addons, 默認：ctrl + shift + f 轉換

:::

## 屁話：
Me: 哇！我搜到好多解法呀! ㄚ乾...怎麼都不能用！！！


### Situation:
By following up ArchWiki, finish installing `fcitx5-chewing fcitx5-configtool` with command `sudo pacman -S fcitx5-chewing fcitx5-configtool` and create `.xprofile` under home directory.

export GTK_IM_MODULE=fcitx
export QT_IM_MODULE=fcitx
export XMODIFIERS=@im=fcitx

And then after reboot, everything works fine expect browser(firefox, chromium) btw I only using these two.

### Issue:
Ctrl + space, chewing input method is not changing.

### Solution:
Following the ArchWiki page, [TroubleShooting](https://wiki.archlinux.org/title/Fcitx5#Troubleshooting) session it suggests using `fcitx5-diagnose` to find out the problem.

## Gtk:
...
    2.  gtk 3:

        Found immodules cache for gtk `3.24.34` at `/usr/lib/gtk-3.0/3.0.0/immodules.cache`.
        Version Line:

            # Created by /usr/bin/gtk-query-immodules-3.0 from gtk+-3.24.34

        **Failed to find fcitx5 in immodule cache at `/usr/lib/gtk-3.0/3.0.0/immodules.cache`**

        **Cannot find fcitx5 im module for gtk 3 in cache.**

...

On the GTK session, gtk 3, there are two warmings crying out for gtk 3. So then I just looking for the keyword `gtk3` with `pacman -Ss fcitx | grep gtk` and follow up by installing the packet and restart fcitx5 and browser. Guess what? Ah! it works :smiley:

$ pacman -Ss fcitx | grep gtk  
community/fcitx5-gtk 5.0.16-1 (fcitx5-im)
    Fcitx5 gtk im module and glib based dbus client library

pkill fcitx5
fcitx5 &

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Nothing left at the end but an happy ending! Bye guys