Re: "draw" event fired forever
- From: onetmt <onetmt gmail com>
- To: "gtk-list gnome org" <gtk-list gnome org>
- Subject: Re: "draw" event fired forever
- Date: Mon, 04 Nov 2013 15:18:52 +0100
Il 04/11/2013 15:06, Jasper St. Pierre ha scritto:
Connect to the "draw" signal on the widget to do your drawing, and call
gtk_widget_queue_redraw(); on the widget if you want to request a redraw.
This is what I'm currently doing (I've connected to "draw" signal of a
GtkDrawingArea), but the problem is that I have the "draw" event fired
continuosly.
On Mon, Nov 4, 2013 at 9:02 AM, onetmt <onetmt gmail com
<mailto:onetmt gmail com>> wrote:
I'm currently in the process of porting to gtk+-3 an old finite
difference calculation application; this application had a custom graph
drawing routine based on gdk_ subsystem that cannot be compiled anymore
against new gtk3 api :( . I succesfully converted every gdk_ invocation
in their cairo_ counterparts, but now I have to substitute the no longer
available "expose-event" with the new "draw" event. The problem is that
it runs continuosly in an infinite loop.
What is the expected mechanism of this new event? How can I refresh the
graph in a clean way as in old expose-event?
TIA
--
Hofstadter's Law:
"It always takes longer than you expect, even when you take into account
Hofstadter's Law."
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--
Jasper
--
Hofstadter's Law:
"It always takes longer than you expect, even when you take into account
Hofstadter's Law."
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