Re: [Spice-devel] spice-vdagent: how to enable additional mouse buttons?

[Uri Lublin]

On 5/11/20 4:08 PM, br...@netc.fr wrote:
Hi,


Yes most likely.

I find these lines of code:



/* buttons */
     ioctl(uinput->fd, UI_SET_EVBIT, EV_KEY);
     ioctl(uinput->fd, UI_SET_KEYBIT, BTN_LEFT);
     ioctl(uinput->fd, UI_SET_KEYBIT, BTN_MIDDLE);
     ioctl(uinput->fd, UI_SET_KEYBIT, BTN_RIGHT);

     /* wheel */
     ioctl(uinput->fd, UI_SET_EVBIT, EV_REL);
     ioctl(uinput->fd, UI_SET_RELBIT, REL_WHEEL);


I will probably need to declare the additional mouse buttons of my mouse 
(Logitech G403), so I run xev to find some information:



(BTN_LEFT, BTN_RIGHT, button 8, button 9)



ButtonPress event, serial 48, synthetic NO, window 0x3000001,
     root 0x3ad, subw 0x0, time 361327, (127,94), root:(128,144),
     state 0x0, button 1, same_screen YES

ButtonRelease event, serial 48, synthetic NO, window 0x3000001,
     root 0x3ad, subw 0x0, time 361426, (127,94), root:(128,144),
     state 0x100, button 1, same_screen YES

ButtonPress event, serial 48, synthetic NO, window 0x3000001,
     root 0x3ad, subw 0x0, time 362448, (127,94), root:(128,144),
     state 0x0, button 3, same_screen YES

ButtonRelease event, serial 48, synthetic NO, window 0x3000001,
     root 0x3ad, subw 0x0, time 362556, (127,94), root:(128,144),
     state 0x400, button 3, same_screen YES

ButtonPress event, serial 48, synthetic NO, window 0x3000001,
     root 0x3ad, subw 0x0, time 366829, (127,94), root:(128,144),
     state 0x0, button 8, same_screen YES

ButtonRelease event, serial 48, synthetic NO, window 0x3000001,
     root 0x3ad, subw 0x0, time 366949, (127,94), root:(128,144),
     state 0x0, button 8, same_screen YES

ButtonPress event, serial 48, synthetic NO, window 0x3000001,
     root 0x3ad, subw 0x0, time 368093, (127,94), root:(128,144),
     state 0x0, button 9, same_screen YES

ButtonRelease event, serial 48, synthetic NO, window 0x3000001,
     root 0x3ad, subw 0x0, time 368250, (127,94), root:(128,144),
     state 0x0, button 9, same_screen YES



Now the next question is obvious: how do I adjust the code to add support for 
button 8,9 ?



I thought BTN_LEFT and BTN_RIGHT would be declared in uinput.h but they are 
global variables? or where are they declared?

I found them in
/usr/include/linux/input-event-codes.h.
There is also 	BTN_BACK but I'm not sure it's mapped to any of button-8 
or 9.

Uri.


Any help with adding support for these buttons would be very appreciated and 
finally make me stop using virtualbox lol.

Thanks!







De : Uri Lublin <u...@redhat.com>
À : br...@netc.fr;
    spice-devel@lists.freedesktop.org
Sujet : Re: [Spice-devel] spice-vdagent: how to enable additional mouse buttons?
Date : 03/05/2020 17:33:55 Europe/Paris

On 5/1/20 3:51 PM, br...@netc.fr wrote:

I am using spice-vdagent on most of my qemu-kvm vm's, while this is very
convenient, mouse button 8 and 9 are not working (those are the side
buttons of the mouse, one is often used for BACK function of the
browser, which my thumb is actually addicted to).
How could i make these buttons work with spice-vdagent?

Hi,

Currently 5 mouse buttons are supported. I think some code is needed to
be added in order to support more buttons.

Uri.


Thanks for the suggestions,

Bruts




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