我在 Ubuntu 桌面上使用 GNOME 版本 3.18。它将在带有触摸屏的设备上使用它，我需要禁用显示 gnome 桌面的所有手势。
我已经使用了“无左上角热角”和 MMOD 面板扩展来禁用手势，并且已经成功，除了一个手势：用两根手指从屏幕左边缘向右滑动，显示概览。
我找不到任何可以禁用它的方法。我使用过隐藏概览和隐藏 dash x 扩展，但没有成功。我该如何禁用该手势？
更新：这是@Redbob 请求的数据：
cat /proc/version
Linux version 4.4.0-93-generic (buildd@lgw01-03) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.4) )
#116-Ubuntu SMP Fri Aug 11 21:17:51 UTC 2017
...
user@user-desktop:~$ xinput list
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ A4Tech USB Mouse id=9 [slave pointer (2)]
⎜ ↳ eGalax Inc. eGalaxTouch EXC7200-7746v1001 id=12 [slave pointer (2)]
⎜ ↳ eGalax Inc. eGalaxTouch EXC7200-7746v1001 Pen id=13 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Power Button id=8 [slave keyboard (3)]
↳ SINO WEALTH USB KEYBOARD id=10 [slave keyboard (3)]
↳ SINO WEALTH USB KEYBOARD id=11 [slave keyboard (3)]
...
user@user-desktop:~$ xinput list-props 12
Device 'eGalax Inc. eGalaxTouch EXC7200-7746v1001':
Device Enabled (133): 1
Coordinate Transformation Matrix (135): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
Device Accel Profile (266): 0
Device Accel Constant Deceleration (267): 1.000000
Device Accel Adaptive Deceleration (268): 1.000000
Device Accel Velocity Scaling (269): 10.000000
Device Product ID (254): 3823, 29185
Device Node (255): "/dev/input/event10"
Evdev Axis Inversion (270): 0, 0
Evdev Axis Calibration (271): <no items>
Evdev Axes Swap (272): 0
Axis Labels (273): "Abs MT Position X" (393), "Abs MT Position Y" (394), "None" (0), "None" (0)
Button Labels (274): "Button Unknown" (257), "Button Unknown" (257), "Button Unknown" (257), "Button Wheel Up" (139), "Button Wheel Down" (140)
Evdev Scrolling Distance (275): 0, 0, 0
Evdev Middle Button Emulation (276): 0
Evdev Middle Button Timeout (277): 50
Evdev Third Button Emulation (278): 0
Evdev Third Button Emulation Timeout (279): 1000
Evdev Third Button Emulation Button (280): 3
Evdev Third Button Emulation Threshold (281): 20
Evdev Wheel Emulation (282): 0
Evdev Wheel Emulation Axes (283): 0, 0, 4, 5
Evdev Wheel Emulation Inertia (284): 10
Evdev Wheel Emulation Timeout (285): 200
Evdev Wheel Emulation Button (286): 4
Evdev Drag Lock Buttons (287): 0
...
user@user-desktop:~$ xinput list-props 13
Device 'eGalax Inc. eGalaxTouch EXC7200-7746v1001 Pen':
Device Enabled (133): 1
Coordinate Transformation Matrix (135): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
Device Accel Profile (266): 0
Device Accel Constant Deceleration (267): 1.000000
Device Accel Adaptive Deceleration (268): 1.000000
Device Accel Velocity Scaling (269): 10.000000
Device Product ID (254): 3823, 29185
Device Node (255): "/dev/input/event11"
Evdev Axis Inversion (270): 0, 0
Evdev Axis Calibration (271): <no items>
Evdev Axes Swap (272): 0
Axis Labels (273): "Abs X" (340), "Abs Y" (341)
Button Labels (274): "Button Unknown" (257), "Button Unknown" (257), "Button Unknown" (257), "Button Wheel Up" (139), "Button Wheel Down" (140), "Button Horiz Wheel Left" (141), "Button Horiz Wheel Right" (142)
Evdev Scrolling Distance (275): 0, 0, 0
Evdev Middle Button Emulation (276): 0
Evdev Middle Button Timeout (277): 50
Evdev Third Button Emulation (278): 0
Evdev Third Button Emulation Timeout (279): 1000
Evdev Third Button Emulation Button (280): 3
Evdev Third Button Emulation Threshold (281): 20
Evdev Wheel Emulation (282): 0
Evdev Wheel Emulation Axes (283): 0, 0, 4, 5
Evdev Wheel Emulation Inertia (284): 10
Evdev Wheel Emulation Timeout (285): 200
Evdev Wheel Emulation Button (286): 4
Evdev Drag Lock Buttons (287): 0
user@user-desktop:~$
答案1
Gnome Shell 扩展禁用手势“据我所知，禁用所有触摸屏手势。