X-Git-Url: https://git.ralfj.de/lilass.git/blobdiff_plain/191bb9843e48154f8c616a9b81f49cc4c3b4f13d..4462cbde3a401b1fb0d530aa0e300c26d10075d0:/zenity_dialogue.py

diff --git a/zenity_dialogue.py b/zenity_dialogue.py
index 33f3177..b5e72d0 100644
--- a/zenity_dialogue.py
+++ b/zenity_dialogue.py
@@ -1,5 +1,6 @@
 # DSL - easy Display Setup for Laptops
-# Copyright (C) 2012 Ralf Jung <post@ralfj.de>
+# Copyright (C) 2012      Ralf Jung <post@ralfj.de>
+# Copyright (C) 2012-2015 Constantin Berhard<constantin@exxxtremesys.lu>
 #
 # 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
@@ -12,32 +13,41 @@
 # 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
+# along with this program; 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
+from screen import RelativeScreenPosition, ScreenSetup, processOutputIt
 
-def userChoose (title, choices, returns):
-	assert len(choices) == len(returns)
-	p = subprocess.Popen(["zenity", "--list", "--text="+title, "--column="]+choices, stdout=subprocess.PIPE)
-	switch = dict (zip (choices,returns))
-	for line in p.stdout:
-		return switch.get(line.strip(), None)
+def userChoose (title, choices, returns, fallback):
+    assert len(choices) == len(returns)
+    args = ["zenity", "--list", "--text="+title, "--column="]+choices
+    switch = dict (list(zip (choices,returns)))
+    try:
+        for line in processOutputIt(*args):
+            return switch.get(line.strip(), fallback)
+    except Exception:
+        # on user cancel, the return code of zenity is nonzero
+        return fallback
+    return fallback
 
 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)
+    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], None)
+    if relpos == None:
+        return None
+    intres = internalResolutions[0]
+    extres = externalResolutions[0]
+    extprim = None
+    if relpos != RelativeScreenPosition.EXTERNAL_ONLY:
+        intres = userChoose ("internal display resolution", list(map(str,internalResolutions)), internalResolutions, None)
+        if intres == None:
+            return None
+    else:
+        extprim = True
+    extres = userChoose ("external display resolution", list(map(str,externalResolutions)), externalResolutions, None)
+    if extres == None:
+        return None
+    if extprim == None:
+        extprim = userChoose ("Which display should be the primary display?", ["internal display", "external display"], [False, True], None)
+    if extprim == None:
+        return None
+    return ScreenSetup(intres,extres,relpos,extprim)