Ubuntu 改滑鼠側鍵為ctrl，並配合滾輪實現頁面縮放

本人親自在Ubuntu 18.04上成功將滑鼠側鍵映射為ctrl，可保持長按。可以按住滑鼠側鍵並滾動滑鼠滾輪實現頁面縮放，下面是方法。

參考： Map Ctrl and Alt to mouse thumb buttons

首先安裝Easystroke (sudo apt install easystroke)。這是個圖形化軟體，操作簡單。打開軟體界面後按以下步驟設置：

1. Preferences tab: additional buttons -> add -> radio button "Instant Gestures" -> click the mouse button of choice in the grey area (for me a "back, thumb button" became "(Instantly) Button 20")
2. Preferences tab: Select "Autostart Easystroke"
3. Actions tab: Add Action
4. Name: anything you like (e.g. "Mouse 20 -> Ctrl")
5. Type: "Ignore"
6. Details: click it once to change "Ignore" to "Key combination...". then press Ctrl + a. "a" doesn"t matter and is ignored. "Key Combination" will be replaced with "Ctr"
7. With the new action selected/highlighted -> click "Record Stroke" -> press the mouse button you"re wanting to use again (this came up with "20 -> 20" in the Stroke column for me)
8. Now pressing and holding my mouse button brings up a dinky "Ctr" on the screen and acts like the button is being held for as long as the mouse button is

以上就是全部教程。

你還可以將 Easystroke 與 xte 結合使用，實現更多快捷鍵。

參考： How can I assign actions to all my mouse buttons?

首先安裝 xte

sudo apt-get install xautomation

Now, if you run on a terminal something like:

xte "keydown Control_L" "key F10" "keyup Control_L"

that means simulate a Ctrl+F10 keypress.

在 easystroke 里設置詞典軟體 Goldendict (sudo apt-get install goldendict)的查詞快捷鍵(Ctrl+C+C)：

xte "keydown Control_L" "keydown C" "keyup C" "keydown C" "keyup C" "keyup Control_L" "keydown Control_L" "keydown C" "keyup C" "keydown C" "keyup C" "keyup Control_L"

其它相關內容： [xdotool], [Windows滑鼠改鍵軟體:X-Mouse Button Control]

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