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Re: some gtk_render_* blank?




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@xxxxxxxxx> 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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