Re: Fwd: Reprogramming keyboard keys

[Ian Martin <martin_id vodafone co nz>]

Hi Glus,

You almost certainly don't want to change what code the key outputs; its far more likely you want to change what the program does in response to that key.  If you reprogram the key, then you confuse your users; they're expecting WASD to output those letters, even if the program uses that information at times to obtain a direction.  If you reprogram the key then when they try to input a word, unexpected things happen; at best, the keyboard becomes an exercise in cryptography.

By connecting the signal_key_press_event, you can handle the input however you like; if the program determines it's not applicable, the default is that the signal is passed up to the next handler.  If you wish to block all responses to keyboard input outside your own function, simply return true (You'll possibly also have to block the key_release_event ).

Ian.

On 28/10/16 22:00, Glus Xof wrote:

Hi Ian,

2016-10-28 4:31 GMT+02:00 Ian Martin <martin_id vodafone co nz>:

You probably don't want to change the value that key returns;

That's exactly what I'm trying to do...

... I need a method, or some way, capable to fix, in the scope of the application, another values to a physical keyboard keys.

... I'm wonder if Gdk::Device::set_key () should be the suitable tool. If so, if I'm not wrong... could you link me the info about the macros index... the first parameter ?

it's more likely you're trying to connect to a Gtk::Widget::signal_key_press_event().  That lets you do what you want with the signal when a user presses a key.

Check the documentation- you have to enable a mask to use this signal.

In my case is a very bad option...

Thanks

Glus

 

Ian.

On 28/10/16 04:35, Glus Xof wrote:

Hi guys,

I'm looking for the way, in Gtk+, to reprogram the keyboard keys values...

Maybe, should be possible from using: (I don't know)

Glib::RefPtr<Gdk::Device> device_keyboard = ...get_display()->get_default_seat()->get_keyboard();

(I don't know if I explained it so clearly...but I hope so though)

Glus

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