Added KDE3 version of fusion-icon for Compiz

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/fusion-icon@1102634 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 146 insertions, 0 deletions

diff --git a/FusionIcon/environment.py b/FusionIcon/environment.py
new file mode 100644
index 0000000..9423098
--- /dev/null
+++ b/FusionIcon/environment.py
@@ -0,0 +1,146 @@
+# This file is part of Fusion-icon.
+
+# Fusion-icon is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# Fusion-icon is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Author(s): crdlb, nesl247
+#
+# Copyright 2007 Christopher Williams <christopherw@verizon.net> 
+
+import os
+from execute import run
+
+tfp = 'GLX_EXT_texture_from_pixmap'
+GDSID = 'GNOME_DESKTOP_SESSION_ID'
+
+class Environment:
+
+	'''Detects properties of the enviroment, and provides a set() method that uses this information to export environment variables needed to start compiz.'''
+	
+
+	def __init__(self):
+
+		'''desktop: current desktop enviroment used to choose interface, fallback wm, and default decorator
+	
+failsafe: boolean, True if in a failsafe session, currently only supports gnome failsafe mode.
+
+glxinfo: output of glxinfo command
+
+indirect_glxinfo: output of glxinfo with LIBGL_ALWAYS_INDIRECT
+
+xvinfo: output of xvinfo
+
+glx_vendor: 'client glx vendor:' usually one of SGI (for mesa-based drivers), NVIDIA Corporation, or ATI.
+
+tfp: 'direct' if texture_from_pixmap is present with direct rendering (implying presence with indirect as well), 'indirect' if only present with indirect context, False if not present at all
+
+Xgl: True in Xgl'''
+
+		# Check gnome- and kde-specific vars, then try generic 'DESKTOP_SESSION'
+		if GDSID in os.environ:
+			self.desktop = 'gnome'
+
+		elif 'KDE_FULL_SESSION' in os.environ: 
+			self.desktop = 'kde'
+
+		else:
+			self.desktop = os.environ.get('DESKTOP_SESSION', 'unknown')
+
+		self.failsafe = False
+		if self.desktop == 'gnome' and GDSID in os.environ and os.environ[GDSID] == 'failsafe':
+			self.failsafe = True
+		
+		if self.failsafe:
+			failsafe_str = 'failsafe '
+		else:
+			failsafe_str = ''
+
+		print ' * Detected Session: %s%s' %(failsafe_str, self.desktop)
+
+
+		## Save the output of glxinfo and xvinfo for later use:
+
+		# don't try to run glxinfo unless it's installed
+		if run(['which', 'glxinfo'], 'call', quiet=True) == 0:
+			self.glxinfo = run('glxinfo', 'output')
+		else:
+			raise SystemExit, ' * Error: glxinfo not installed!'
+
+		# make a temp environment 
+		indirect_environ = os.environ.copy()
+		indirect_environ['LIBGL_ALWAYS_INDIRECT'] = '1'
+		self.indirect_glxinfo = run('glxinfo', 'output', env=indirect_environ)
+
+		if run(['which', 'xvinfo'], 'call', quiet=True) == 0:
+			self.xvinfo = run('xvinfo', 'output')
+		else:
+			raise SystemExit, ' * Error: xvinfo not installed!'
+
+		line = [l for l in self.glxinfo.splitlines() if 'client glx vendor string:' in l]
+		if line:
+			self.glx_vendor = ' '.join(line[0].split()[4:])
+		else:
+			self.glx_vendor = ''
+
+		## Texture From Pixmap / Indirect
+		self.tfp = False
+		if self.glxinfo.count(tfp) < 3:
+			if self.indirect_glxinfo.count(tfp) == 3:
+				self.tfp = 'indirect'
+		else:
+			self.tfp = 'direct'
+
+		## Xgl
+		if 'Xgl' in self.xvinfo:
+			self.Xgl = True
+
+		else:
+			self.Xgl = False
+
+	def set(self):
+
+		'''Trigger all environment checks'''
+
+		# Check for Intel and export INTEL_BATCH
+		if 'Intel' in self.glxinfo:
+			print ' * Intel detected, exporting: INTEL_BATCH=1'
+			os.environ['INTEL_BATCH'] = '1'
+
+		# Check TFP and export LIBGL_ALWAYS_INDIRECT if needed
+		if self.tfp != 'direct':
+			print ' * No %s with direct rendering context' %tfp
+			if self.tfp == 'indirect':
+				print ' ... present with indirect rendering, exporting: LIBGL_ALWAYS_INDIRECT=1'
+				os.environ['LIBGL_ALWAYS_INDIRECT'] = '1'
+			else:
+				print ' ... nor with indirect rendering, this isn\'t going to work!'
+
+		# If using Xgl with a proprietary driver, exports LD_PRELOAD=<mesa libGL>
+		if self.Xgl and self.glx_vendor != 'SGI':
+			print ' * Non-mesa driver on Xgl detected'
+			from data import mesa_libgl_locations
+			location = [l for l in mesa_libgl_locations if os.path.exists(l)]
+			if location:
+				print ' ... exporting: LD_PRELOAD=%s' %location[0]
+				os.environ['LD_PRELOAD'] = location[0]
+			else:
+				# kindly let the user know... but don't abort (maybe it will work :> )
+				print ' ... no mesa libGL found for preloading, this may not work!'
+
+		# Check for nvidia on Xorg
+		if not self.Xgl and self.glx_vendor == 'NVIDIA Corporation':
+			print ' * NVIDIA on Xorg detected, exporting: __GL_YIELD=NOTHING'
+			os.environ['__GL_YIELD'] = 'NOTHING'
+
+env = Environment()
+