谢谢你的回答！
我在 Ubuntu 20.04 上使用 GNOME 3（GNOME Shell）。如果我打开设置（gnome-control-center）并查看那里的键盘布局，我列出的内容如下：
Screenshot from 2021-01-09 10-20-42 871×786 48 KB
如果我搜索应用程序“Ibus keyboards”，没有任何结果。但是，从命令行运行 ibus-setup 会给我这个结果：
Screenshot from 2021-01-09 09-29-54 653×516 30.4 KB
有趣的是，如果我点击“输入法”选项卡，显示的列表是空的，尽管我已经设置了 Dvorak 和阿拉伯语键盘：
Screenshot from 2021-01-09 09-32-18 653×516 21.7 KB
如果我启动“语言支持”（gnome-language-selector），键盘输入法系统似乎设置为“IBus”：
2021-01-09_09-27 485×517 37 KB
在 Ubuntu 上的其他所有应用程序中，使用 super +space 更改键盘布局都有效，只是在 Paratext 中不行。当我按下这些按钮时，顶栏中的键盘指示器会按预期发生变化。我也可以使用鼠标通过指示器更改键盘布局。在我看来，这里的 bug 出在 Paratext 上。
Thanks for the answer!
I’m using GNOME 3 (GNOME Shell) on Ubuntu 20.04. If I open the Settings (gnome-control-center) and look at the keyboard layouts there, this is what I have listed:
Screenshot from 2021-01-09 10-20-42 871×786 48 KB
If I search for the application “Ibus keyboards”, I don’t get any results. However, running ibus-setup from the command-line gets me this result:
Screenshot from 2021-01-09 09-29-54 653×516 30.4 KB
Interestingly, if I click the “Input Method” tab, the list displayed is empty, even though I have both Dvorak and the Arabic keyboard set up:
Screenshot from 2021-01-09 09-32-18 653×516 21.7 KB
If I launch “Language Support” (gnome-language-selector), it seems the keyboard input method system is set to “IBus”:
2021-01-09_09-27 485×517 37 KB
Changing keyboard layouts using super +space works in every other application on Ubuntu, just not Paratext. The keyboard indicator in the top bar changes when I press those buttons, as expected. I can also change the keyboard layout using the indicator using the mouse. From my point of view, the bug here is in Paratext.
机器翻译自 English 显示原文
