Re: Run a GTK application without desktop environment
- From: Göran Hasse <gorhas raditex nu>
- To: gtk-list gnome org
- Subject: Re: Run a GTK application without desktop environment
- Date: Fri, 18 Mar 2016 05:33:47 +0100
This is quite simple.
You have to send in the geometry to the GTK application so that is self
can decide its geometry.
You don't need any window manager.
I run a lot of FreeBSD computers this way.
In rc.local you run something like
-------------------------------
#!/usr/local/bin/bash
/usr/sbin/ntpdate -s 0.ubuntu.pool.ntp.org
DISPLAY=:0.0
export DISPLAY
/usr/local/bin/X -ac &
# Let the x-server have time to start
sleep 20
# Connect from any IP
/usr/local/bin/xhost + &
# Remove the cursor from the screen, turn off screensaver
/usr/local/bin/unclutter -root -idle 1 &
/usr/local/bin/xset -dpms &
/usr/local/bin/xset s off &
# set background
# https://en.wikipedia.org/wiki/X11_color_names
/usr/local/bin/xsetroot -solid Grey &
# show local time
TZ=CEST
export TZ
# Startscript for infotable at LEV
DISPLAY=192.168.37.88:0.0 ./draw-text -x 0 -y 0 -X 896 -Y 307 -g logo -L "" -f 100 &
...
----------------------------------------------------
Note that the gtk-widget have to "resize" itself. So you must program it to
read its own "geometry". x , y , X Y (and some other stuff).
/gh
Den 2016-03-18 kl. 01:30, skrev Anatol Pomozov:
Hi
I am trying to implement a simple Kiosk-like web application. The
application will run fullscreen all the time and show web pages. I my
case it will be project's build status. I want to use a simple
computer like a RaspberryPi. And I want to avoid starting heavy
environments like KDE or Gnome.
Is there any good example/tutorial on this topic?
In fact I already have a simple GTK application that uses WebKit
engine. I can run it both in Gnome and without it by using xinit. I
have a few questions about it:
- gtk_window_fullscreen() works fine with Gnome but with xinit it does
not expand the window. Does it mean that fullscreen is actually a DE
feature? What is the best way to make fullscreen app in XWindow? Right
now I use gdk_screen_get_width/height and then set default size.
- If I run webkit in XWindows it shows pages with horrible fonts. How
to make the browser fonts similar to what I see in my Gnome desktop?
Where to start reading about font handling in the modern Linux
graphical stack?
- It looks like Kodi player at RaspberryPi does not not use xinit at
all. It looks like RaspberryPi has a direct framebuffer feature. Is it
possible to do it with my webkit-centric application? I can't find any
details on this topic.
Did anybody make something similar? I would love to hear the
experience in making DE-less applications.
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--
Göran Hasse
Raditex Control AB
http://www.rscada.se
OrgNr: 556611-8773
email: gorhas raditex nu
tel: 019-450105
mob: 070-5530148
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