Until now the pad was the only thing that didn't work for my Wacom Graphire4 on Linux. For the Intuos3 exists a small application expresskeys. I decided to adapt this tool.

The Tool

As the Intuos has a quite different button setup compared to the Graphire4 I decided to use expresskeys as a base but instead of adding the functionality for the Graphire4 , removing the Intuos3 stuff.

A preliminary 0.1.0 version (which works for me) is downloadable here: gr4_buttons-0.1.0.tar.gz.

Most of the files still refer to expresskeys (and maybe these changes will be included there).

Installing

Unpack the file, run ./configure; make and maybe make install as root if you want to install it.

Running It

If I refer to Your_Pad you have to substitute that with the identifier that is defined in your X configuration (usally xorg.conf. There you have an InputSection like this somewhere:

Section "InputDevice"
  Driver        "wacom"
  Identifier    "Your_Pad"
  Option        "Device" "/dev/input/wacom"
  Option        "USB" "on"
  Option        "Type" "pad"
EndSection

Use whatever name you defined there.

The First Time

Call gr4_buttons Your_Pad (replace Your_Pad with the name of the device defined in the X configuration) and kill it hiting Ctrl-C. This way you get the standard ~/.gr4_buttons/gr4_buttons.conf.

The Configuration

The top documentation still is for expresskeys but if you want to add a special configuration for another program, copy the block below and be aware that this is untested!.

The standard configuration looks like this:

00 Program Name:          "default"
01 Scroll Wheel Up:        994
02 Scroll Wheel Up Plus:   0
03 Scroll Wheel Down:      995
04 Scroll Wheel Down Plus: 0
05 Left Button:            64
06 Left Button Plus:       0
07 Right Button :          37
08 Right Button Plus :     0

This configures the scroll wheel to send mouse button 4 on an up move and mouse button 5 on a down move (994 and 995 are virtual key codes to send buttons of the core pointer and button 4 and 5 are the signals of my mouse for the scroll wheel: have a look at the ZAxisMapping option of your core pointer in the X configuration). The left button sends Alt and the right one Control. Actually I don't have a good use for them now. If you don't want a signal, set them to 0.

Testing It

Run it with gr4_buttons Your_Pad -v and it will show what happens.

Running It Really

Run it with gr4_buttons Your_Pad -d. This is the daemon mode. All you have to do now, is to setup an auto-run for X (add it to session management of GNOME, autostart for KDE, or include it into .xinitrc.

ToDo

If I'll develop this small thing further, I'd like to change the configuration file format and I'd like to have a fallback mode, if you don't give a pad name: just use one found in X (the first one). A test if a Graphire4 is available would be nice as well. Maybe one could even fetch the ZAxisMapping of the core pointer and use the buttons found there as default configuration for the wheel.

Many Thanks

Many thanks go to the developers of expresskeys (Mats Johannesson and Denis DerSarkisian) and all the autors of the linuxwacom project.