Re: some gtk_render_* blank?

[adlo <adloconwy gmail com>]

I am also experiencing this issue, and have tried the same things. How can I get gtk_render_frame to render 
on a no-visible-window GtkEventBox?

Regards

adlo

> On 2 Feb 2017, at 03:35, The Devils Jester <thedevilsjester gmail com> wrote:
>
>
> Hello, I am wondering if anyone here has experience with the gtk_render_* set of functions.  
>
> I have had mixed results:
> gtk_render_background and gtk_render_frame work pretty well with gtk_button and gtk_window (but not with 
> most other widgets)
>
> gtk_render_extension, gtk_render_focus, and gtk_render_frame_gap do not seem to produce any output, no 
> matter which widget's style I pass in, or which flags I set. 
>
> gtk_render_check (and gtk_render_option) does render, with the wrong color, a check mark or a circle, but 
> no background or frame (gtk_render_frame and gtk_render_background do nothing on these widgets)
>
> With all of the above, I have tried setting various states, and using many different widgets as the style 
> base without any success.  I have also made sure to use widgets that are parented and have been realized.
>
> I am doing something wrong, I am just not sure what.  My process is simple:
>
> 1. Get a (realized) widget
> 2. Get a cairo_t
> 3. Get a GtkStateFlags
> 4. Get style context for widget
> 5. Save context
> 6. Set State
> 7. gtk_render_* . (may have more than one render call, like background & frame)
> 8. Restore context
>
> An example where this works perfectly is the GtkButton.    Is there some simple step I am missing to get 
> these other render functions to work correctly?
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