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Re: using gdk_win32_window_foreign_new_for_display




On 12.01.2017 18:20, Tilman K. wrote:
> Hey guys,
> 
> I would like to develop the GUI for a VST synth with gtk. I need to 
> embed a gtk gui inside a win32 HWND parent window. I think 
> "gdk_win32_window_foreign_new_for_display" could be the right function 
> to create a GdkWindow that is embedded inside the native window. is this 
> correct?
> 
>          auto gdkWindow = 
> Glib::wrap(gdk_win32_window_foreign_new_for_display(disp->gobj(),(HWND)systemWindow));
>          window.set_parent_window(gdkWindow);

You might need to use gdk_win32_window_reparent() instead of set_parent_window.

To be honest, the whole foreign-window embedding thing is poorly-developed. GTK
does use it to embed its own printer properties page contents into Windows
printing dialog - and it didn't really work, last time i checked.

Also, i think this API is going away in GTK4.

My current fallback plan (in case i encounter a scenario where embedding is
needed, and i fail to make it work, or when the time of GTK4 comes, and it has
no embedding) is to instead just embed a pure W32-API child button (or
something along these lines) that causes a normal, toplevel, non-embedded
GTK-based dialog to pop up.


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