Re: using gdk_win32_window_foreign_new_for_display

["Tilman K." <tkoss uni-koblenz de>]

Am 12.01.2017 um 20:04 schrieb LRN:

> On 12.01.2017 21:41, Tilman K. wrote:
> > Am 12.01.2017 um 17:11 schrieb LRN:
> > > 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.
> > thanks for the reply. The function "gdk_win32_window_reparent" doesnt exist
> > anymore in newer versions of gtk...
> But gdk_window_reparent() does.
Using "gdk_window_reparent()" its almost working :) All the input events 
work, pressing buttons, opening context menus etc. But the window is 
still black, so there must be something wrong with the rendering.