All programs that use GTK and more specifically X have certain command line
arguments that they can parse whether or not the programmer adds them.
--screen happens to be an argument for all X programs that set which X
screen the program should display on. You need to change your --screen to
something different.
For more information, see:
http://library.gnome.org/devel/gtk/unstable/gtk-running.html
and specifically:
http://library.gnome.org/devel/gtk/unstable/gtk-x11.html#x11-cmdline
On Wed, Mar 17, 2010 at 11:38 AM, Steven I Usdansky <
[email protected]> wrote:
> Given that openbox does not include the capability of obtaining a
> screenshot, I've written a little routine in python to accomplish that task.
> I'm running Fedora 13, and am trying to strip down my installation while
> still making it as complete (for my needs) as possible. The code (shown
> below) seems to work properly, but when I run the program from a terminal
> and select the --screen option, I get the following error:
> (screenshooter2.py:4787): Gtk-WARNING **: Missing argument for --screen
> Can anyone explain why the error occurs?
> TIA
>
> #!/usr/bin/env python
> """
> Screenshooter2.py
> A simple screenshooter, modified from mirage
> Copyright 2010 Rockdoctor <[email protected]>
> Version 2.05 20090317
> Minor cleanup from 2.04
>
> Mirage Citation
> Mirage, a fast GTK+ Image Viewer
> Copyright 2007 Scott Horowitz <[email protected]>
> # $HeadURL:
> http://svn.berlios.de/svnroot/repos/mirageiv/trunk/mirage.py $
> # $Id: mirage.py 239 2008-03-27 04:08:59Z stonecrest $
> """
> import os
> import sys
> import gtk.gdk
>
> shoot_window=False
> myfilename=""
>
> # Display usage info and exit
> def no_argument():
> my_cmd = 'zenity --info --text="<b>Usage:</b>\n\n'
> my_cmd += 'screenshooter.py <--screen> shoot whole screen\n'
> my_cmd += 'screenshooter.py <--window> shoot window under cursor"'
> rtn = os.popen(my_cmd)
> sys.exit()
>
> # Get window position and dimensions
> def xwininfo():
> rtn = os.popen('xwininfo')
> count=0
> for line in rtn:
> if count==7:
> l = line.split(' ')
> ulx=l[6].strip()
> if count==8:
> l = line.split(' ')
> uly=l[6].strip()
> if count==11:
> l = line.split(' ')
> width=l[3].strip()
> if count==12:
> l = line.split(' ')
> height=l[3].strip()
> count += 1
> h = gtk.gdk.screen_height()
> if int(height)+int(uly) > h:
> height = h - int(uly)
> return int(ulx), int(uly), int(width), int(height)
>
> # Main Routine
>
> # There should only be one parameter; --screen or --window
> # Display usage info (and exit) if this is not the case
> l = len(sys.argv)
> if l==2:
> if sys.argv[1]=='--window':
> shoot_window=True
> elif sys.argv[1]=='--screen':
> shoot_window=False
> else:
> no_argument()
> else:
> no_argument()
>
> # Get info for screen/window as appropriate
> root_win = gtk.gdk.get_default_root_window()
> if not shoot_window:
> x = 0
> y = 0
> width = gtk.gdk.screen_width()
> height = gtk.gdk.screen_height()
> else:
> (x, y, width, height) = xwininfo()
>
> # Grab the screen/window
> pix = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, True, 8, width, height)
> pix = pix.get_from_drawable(root_win, gtk.gdk.colormap_get_system(), x, y,
> 0, 0, width, height)
>
> # Request filename and save file
> my_cmd = 'zenity --entry --text="Save image as: "'
> rtn = os.popen('zenity --entry --text="Save image as: "','r')
> filename = rtn.read()
> filename = filename.strip()
> if filename:
> pix.save(filename+".png", 'png')
>
>
>
>
>
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