Re: [ruby-gnome2-devel-en] Is there a Gdk.Window.property_change method ?

[cedlemo <ce...@gm...>]

Jhon,

after looking at the documentation 
https://developer.gnome.org/gdk3/stable/gdk3-X-Window-System-Interaction.html 
and at  the Gdk code : 
https://github.com/GNOME/gtk/blob/master/gdk/x11/gdkwindow-x11.c
it seems that Gdk does not provide the api you want.

Can I ask you what do you want to do ? why do you want to set the window 
manager hints ? Do you really need them ?
Could you not do what you want with the available api without settings 
the window manager hints ?


cedlemo

On 24/02/2017 12:43, John Lane wrote:
> On 22/02/17 11:02, John Lane wrote:
>> I'd like to set window properties, specifically window manager hints
>> (such as _NET_WM_STRUT_PARTIAL). However, I cannot find an appropriate
>> method on Gdk.Window to do this. I would expect to be able to write
>> something like
>>
>>      topw = toplevel.window
>>      topw.property_change("_NET_WM_STRUT","CARDINAL",32,
>>                           Gdk::PROP_MODE_REPLACE,
>>                           [0, 0, bar_size, 0])
>>      topw.property_change("_NET_WM_STRUT_PARTIAL","CARDINAL",32,
>>                           Gdk::PROP_MODE_REPLACE,
>>           [0, 0, bar_size, 0, 0, 0, 0, 0, x, x+width-1, 0, 0])
>>
>>
>> (I looked for methods like this `topw.methods.sort.each{|m| p m}`)
>>
>> I can see in the source code that there is a commented-out TODO block
>> in file gdk3-no-gi/ext/gdk3-no-gi/rbgdkproperty.c with a call to
>> `gdk_property_change`. That's the only mention I can find. I expect this
>> means it's unimplemented ?
>>
> Further to this, I now realise that the 'property_change' function is
> set in the Gtk C source code to be non-introspectable which means that
> this method is not available in Gtk3 bindings.
>
> However, I also cannot find it in Ruby Gtk2. It is definitely supported
> by Gtk2 and it is present in the gem source 'ext/gtk2/rbgdkproperty.c'.
> The underlying Gtk2 C function is `gdk_property_change`.
>
> The below should be valid for Gtk2 Ruby. The constant
> 'Gdk::Property::MODE_REPLACE' does exist but I cannot find the
> 'property_change' method. I expected to find it at
> 'Gdk::Window.property_change'.
>
>      topw = toplevel.window
>      topw.property_change("_NET_WM_STRUT","CARDINAL",32,
>                           Gdk::Property::MODE_REPLACE,
>                           [0, 0, bar_size, 0])
>      topw.property_change("_NET_WM_STRUT_PARTIAL","CARDINAL",32,
>                           Gdk::Property::MODE_REPLACE,
>           [0, 0, bar_size, 0, 0, 0, 0, 0, x, x+width-1, 0, 0])
>
> I expected to find it at Gdk.Window.property_change
>
> Is it there, if so, where?
>
>
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