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SubjectRe: [PATCH 2/2] input: mousedev: Emulate right and middle buttons for single-button touchpads
Greetings Dmitry,

> On Fri, Sep 05, 2008 at 03:19:56AM +0200, Henrik Rydberg wrote:
>> On most linux-based systems, the right and middle buttons are used
>> extensively. On computers lacking either of those buttons, such as
>> the Apple Macbooks, emulation is needed. This patch adds emulation
>> of the missing buttons via two-fingers-and-click and three-fingers-
>> and-click operations, which has recently become standard, both in
>> MacOS and in the Xorg synaptics driver.
>>
>
> The standard way of emulating right and middle button presses for
> "button-deficient" devices is to use Macintosh emulation
> (MAC_EMUMOUSEBTN) that works not only for touchpads but for regular mice
> as well.

I have a hard time believing that in five years from now, people will
still consider pressing a key on the keyboard the standard way to
emulate a right click. Nevertheless, I can see the point in moving
away from user-land decisions in the kernel. I will not pursue this one
further, although it is a rather neat piece of functionality.

> Overall I don't think we should enhance mousedev for scenarios where
> proper solution is to install Synaptics X driver. This also goes for
> your other patch improving tapping in mousedev.

Regarding the tapping patch; it is addressing the correctness of
already implemented functionality. I can see nothing wrong with that.

Henrik


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