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List:       cairo
Subject:    Re: [cairo] erasing overlay on GTK drawing area widget.
From:       Emmanuele Bassi <ebassi () gmail ! com>
Date:       2022-03-30 12:17:57
Message-ID: CALnHYQEb_Nd+WFXykTFikr4kOd0__y0y37X0xhMzZKNbw2_HAQ () mail ! gmail ! com
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Hi;

if you have questions about GTK, you should use the GNOME Discourse:

https://discourse.gnome.org/tag/gtk

Ciao,
 Emmanuele.

On Tue, 29 Mar 2022 at 16:45, Michael K <vk2bea@yahoo.com> wrote:

> I'm attempting to have two GtkDrawingArea widgets in a GtkOverlay
> container.
>
> The lower widget is a graph and the top widget shows dynamically changing
> information related to the graph based on the mouse position.
>
> I cannot seem to erase the top drawing area without wiping out the graph
> on the bottom drawing area.
>
> Is this at all possible or am I just doing something wrong ?
>


-- 
https://www.bassi.io
[@] ebassi [@gmail.com]

[Attachment #3 (text/html)]

<div dir="ltr"><div>Hi;</div><div><br></div><div>if you have questions about GTK, you \
should use the GNOME Discourse:</div><div><br></div><div><a \
href="https://discourse.gnome.org/tag/gtk">https://discourse.gnome.org/tag/gtk</a></div><div><br></div><div>Ciao,</div><div> \
Emmanuele.<br></div></div><br><div class="gmail_quote"><div dir="ltr" \
class="gmail_attr">On Tue, 29 Mar 2022 at 16:45, Michael K &lt;<a \
href="mailto:vk2bea@yahoo.com">vk2bea@yahoo.com</a>&gt; wrote:<br></div><blockquote \
class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid \
rgb(204,204,204);padding-left:1ex"><div><div style="font-family:Helvetica \
Neue,Helvetica,Arial,sans-serif;font-size:10px"><div dir="ltr">I&#39;m attempting to \
have two GtkDrawingArea widgets in a GtkOverlay container.</div><div \
dir="ltr"><br></div><div dir="ltr">The lower widget is a graph and the top widget \
shows dynamically changing information related to the graph based on the mouse \
position.</div><div dir="ltr"><br></div><div dir="ltr">I cannot seem to erase the top \
drawing area without wiping out the graph on the bottom drawing area.</div><div \
dir="ltr"><br></div><div dir="ltr">Is this at all possible or am I just doing \
something wrong ?</div></div></div></blockquote></div><br clear="all"><br>-- <br><div \
dir="ltr" class="gmail_signature"><a href="https://www.bassi.io" \
target="_blank">https://www.bassi.io</a><br>[@] ebassi [@<a href="http://gmail.com" \
target="_blank">gmail.com</a>]</div>



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