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Bug 2817 - SDL_RenderPresent() demands attention?
Summary: SDL_RenderPresent() demands attention?
Status: ASSIGNED
Alias: None
Product: SDL
Classification: Unclassified
Component: *don't know* (show other bugs)
Version: 2.0.3
Hardware: x86_64 Linux
: P2 normal
Assignee: Ryan C. Gordon
QA Contact: Sam Lantinga
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-12-12 09:30 UTC by Thomas Vesper
Modified: 2017-08-14 01:05 UTC (History)
0 users

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Description Thomas Vesper 2014-12-12 09:30:40 UTC 
Under certain conditions _NET_WM_STATE_DEMANDS_ATTENTION gets set.
Depending on WM preferences this causes different kinds of annoyance.

When I first noticed this behavior the SDL-window followed me over all desktops.

A simple loop using a renderer is enough.
(e.g. http://lazyfoo.net/tutorials/SDL/07_texture_loading_and_rendering/index.php)

When I switch workspaces or move the window between workspaces the attention flag gets
set most of the time.
(xwininfo -wm => Window state: Demands Attention)

It doesn't happen without renderer (like http://lazyfoo.net/tutorials/SDL/01_hello_SDL/index2.php)
It doesn't happen with any other program I know of.

I watched this under XFCE 4.8 (debian/wheezy) and XFCE 4.10 (debian/jessie).
KDE 4.4.5 on debian/squeeze seems unaffected.

It seems to make difference if I switch workspaces via keyboard shortcut or by clicking on the pager widget.