Best way to send keycodes - emulate keyboard press - Page 2 - maemo.org

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	Estel	2011-07-29 , 21:17
	Posts: 5,028 \| Thanked: 8,614 times \| Joined on Mar 2011	#11

Problem - there is already some xdotool in repository. Although I'm not sure it's optified or whatsnot. So, with Mentalist maintaining it, we would be probably much more happier penguins.

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	helex	2011-07-29 , 21:36
	Posts: 543 \| Thanked: 802 times \| Joined on Apr 2010 @ Germany	#12

Originally Posted by Estel

Problem - there is already some xdotool in repository. Although I'm not sure it's optified or whatsnot. So, with Mentalist maintaining it, we would be probably much more happier penguins.

Ouh ****. Thanks!

Just uploaded my first package to autobuilder. Will try to create a dependency and do it this way. I hate this part of development...

EDIT: checked, xdotool from repos seems optified - sadly its only at extra-devel.

But I'm far away from a stable release, too...

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Last edited by helex; 2011-07-29 at 22:06.

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	helex	2011-07-30 , 00:42
	Posts: 543 \| Thanked: 802 times \| Joined on Apr 2010 @ Germany	#13

So, the packaging is done and I created a thread about my small project.

Here is what I'm currently developing:

TcpIpKeyboard is a Application to share the Keyboard from a Windows or Linux Desktop PC, Netbook or Laptop with the N9 handset thru a simple TCP/IP connection.

But the 2-do-List is still overwhelming... so it's a Alpha preview teaser to introduce the concept.

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Mentalist Traceur	2011-07-30 , 02:12
Posts: 2,225 \| Thanked: 3,819 times \| Joined on Jun 2010 @ Florida	#14

Originally Posted by Estel

Problem - there is already some xdotool in repository. Although I'm not sure it's optified or whatsnot. So, with Mentalist maintaining it, we would be probably much more happier penguins.

I just checked the dates - when I packaged xdotool, it wasn't in the repos at the time - the other guy packaged it 2 months after I made that thread. I'm not going to jump on maintaining it just yet given that - xdotool is in the libs section, and all the non-user section packages get auto-promoted when the things that depend on them get rpomoted. So whenever you push your package to extras-testing and extras, xdotool will auto-promote with it.

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	helex	2011-08-02 , 21:00
	Posts: 543 \| Thanked: 802 times \| Joined on Apr 2010 @ Germany	#15

Eureka!

I got the XTestFakeKeyEvent working at Qt:

First, this works only at the Maemo target, not the Simulator. So:

Code:

#ifdef Q_WS_MAEMO_5
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include <X11/extensions/XTest.h>
#endif

Now you are able to send a keycode:

Code:

unsigned int ukeycode = XKeysymToKeycode(QX11Info::display(), KeySym);
bool ret = XTestFakeKeyEvent(QX11Info::display(), ukeycode, state, 0);

state is the press state: true = pressed / false = released

And finally this was the reason I lost some hairs - Include this into your *.pro file:

Code:

LIBS = -lX11 -lXtst

It works a lot faster and less recource hungry than calling the external binary xdotool.

Sadly I got a lot of problems to translate keycodes from a windows desktop pc to a linux maemo 5 device. And sometimes it suddenly stops working. I still have to figure out why.