added experimental code for a zenity "gui", yet untested as I can't find my vga cable

diff --git a/zenity_dialogue.py b/zenity_dialogue.py
new file mode 100644 (file)
index 0000000..8cba4d9
--- /dev/null
+++ b/zenity_dialogue.py
@@ -0,0 +1,43 @@
+# DSL - easy Display Setup for Laptops
+# Copyright (C) 2012 Ralf Jung <post@ralfj.de>
+#
+# This program 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.
+#
+# This program 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 (gpl.txt); if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+import subprocess
+from dsl import RelativeScreenPosition, ScreenSetup, res2user
+
+def userChoose (title, choices, returns):
+       assert len(choices) == len(returns)
+       p = subprocess.Popen(["zenity", "--list", "--text="+title, "--column="]+choices, stdout=subprocess.PIPE)
+       switch = zip (choices,returns)
+       for line in p.stdout:
+               return switch.get(line, None)
+
+def run (internalResolutions, externalResolutions):
+       relpos = userChoose ("Position of external screen", ["Left of internal screen", "Right of internal screen", "Use external screen only"], [RelativeScreenPosition.LEFT, RelativeScreenPosition.RIGHT, RelativeScreenPosition.EXTERNAL_ONLY])
+       if relpos == None:
+               return None
+       intres = internalResolutions[0]
+       if relpos != RelativeScreenPosition.EXTERNAL_ONLY:
+               intres = userChoose ("internal display resolution", map(res2user,internalResolutions), internalResolutions)
+       if intres == None:
+               return None
+       extres = userChoose ("external display resolution", map(res2user,externalResolutions), externalResolutions)
+       if extres == None:
+               return None
+       extprim = userChoose ("Which display should be the primary display?", ["internal display", "external display"], [False, True])
+       if extprim == None:
+               return None
+       return ScreenSetup(relpos,intres,extres,extprim)