1 files changed, 109 insertions, 0 deletions
diff --git a/redshift-gtk/utils.py b/redshift-gtk/utils.py
new file mode 100644
index 0000000..9365356
--- /dev/null
+++ b/redshift-gtk/utils.py
@@ -0,0 +1,109 @@
+# utils.py -- utility functions source
+# This file is part of Redshift.
+
+# Redshift 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 3 of the License, or
+# (at your option) any later version.
+
+# Redshift 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 Redshift.  If not, see <http://www.gnu.org/licenses/>.
+
+# Copyright (c) 2010  Francesco Marella <francesco.marella@gmail.com>
+# Copyright (c) 2011  Jon Lund Steffensen <jonlst@gmail.com>
+
+import ctypes
+import os
+import sys
+
+try:
+    from xdg import BaseDirectory
+    from xdg import DesktopEntry
+    has_xdg = True
+except ImportError:
+    has_xdg = False
+
+
+REDSHIFT_DESKTOP = 'redshift-gtk.desktop'
+
+# Keys to set when enabling/disabling autostart.
+# Only first one is checked on "get".
+AUTOSTART_KEYS = (('Hidden', ('true', 'false')),
+                  ('X-GNOME-Autostart-enabled', ('false', 'true')))
+
+
+def open_autostart_file():
+    autostart_dir = BaseDirectory.save_config_path("autostart")
+    autostart_file = os.path.join(autostart_dir, REDSHIFT_DESKTOP)
+
+    if not os.path.exists(autostart_file):
+        desktop_files = list(
+            BaseDirectory.load_data_paths(
+                "applications", REDSHIFT_DESKTOP))
+
+        if not desktop_files:
+            raise IOError("Installed redshift desktop file not found!")
+
+        desktop_file_path = desktop_files[0]
+
+        # Read installed file
+        dfile = DesktopEntry.DesktopEntry(desktop_file_path)
+        for key, values in AUTOSTART_KEYS:
+            dfile.set(key, values[False])
+        dfile.write(filename=autostart_file)
+    else:
+        dfile = DesktopEntry.DesktopEntry(autostart_file)
+
+    return dfile, autostart_file
+
+
+def supports_autostart():
+    return has_xdg
+
+
+def get_autostart():
+    if not has_xdg:
+        return False
+
+    dfile, path = open_autostart_file()
+    check_key, check_values = AUTOSTART_KEYS[0]
+    return dfile.get(check_key) == check_values[True]
+
+
+def set_autostart(active):
+    if not has_xdg:
+        return
+
+    dfile, path = open_autostart_file()
+    for key, values in AUTOSTART_KEYS:
+        dfile.set(key, values[active])
+    dfile.write(filename=path)
+
+
+def setproctitle(title):
+    """Set process title."""
+    title_bytes = title.encode(sys.getdefaultencoding(), 'replace')
+    buf = ctypes.create_string_buffer(title_bytes)
+    if 'linux' in sys.platform:
+        try:
+            libc = ctypes.cdll.LoadLibrary("libc.so.6")
+        except OSError:
+            return
+        try:
+            libc.prctl(15, buf, 0, 0, 0)
+        except AttributeError:
+            return  # Strange libc, just skip this
+    elif 'bsd' in sys.platform:
+        try:
+            libc = ctypes.cdll.LoadLibrary("libc.so.7")
+        except OSError:
+            return
+        try:
+            libc.setproctitle(ctypes.create_string_buffer(b"-%s"), buf)
+        except AttributeError:
+            return