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Mouse/touchpad scrolling also counted as clicks?
11-26-2012, 05:02 PM
Post: #3
Mouse/touchpad scrolling also counted as clicks?
Sure. My laptop is Lenovo Thinkpad X220 running Ubuntu 11.10 with GNOME Desktop. I can reproduce this issue on both Gnome and Unity, before and after the machine is rebooted. Not sure what did you mean about the detail of touchpad though, if there are any script to collect the information would be great.

One thing that I notice is that scroll up generates button 4 events and scroll down generates button 5 events that I think the program might interprets these events as mouse clicking.

Here is a output from xev that I test scrolling the mouse:
...
ButtonPress event, serial 37, synthetic NO, window 0x4800001,
root 0xc7, subw 0x0, time 19461370, (89,108), root:(90,191),
state 0x0, button 4, same_screen YES

ButtonRelease event, serial 37, synthetic NO, window 0x4800001,
root 0xc7, subw 0x0, time 19461370, (89,108), root:(90,191),
state 0x800, button 4, same_screen YES
...
ButtonPress event, serial 37, synthetic NO, window 0x4800001,
root 0xc7, subw 0x0, time 19462040, (89,108), root:(90,191),
state 0x0, button 5, same_screen YES

ButtonRelease event, serial 37, synthetic NO, window 0x4800001,
root 0xc7, subw 0x0, time 19462040, (89,108), root:(90,191),
state 0x1000, button 5, same_screen YES
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Mouse/touchpad scrolling also counted as clicks? - nopparat - 11-26-2012 05:02 PM

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