Merge pull request #146 from Ma27/fix-bashcomp-with-zsh

Work around problems with autorandr's completion when using `bashcompinit`

diff --git a/README.md b/README.md
index 7268f6dbb73bf72d83a6389d8449242f449be1e1..a081ed2f25dd8b939cbbf8b4f475e3a3597cf36c 100644 (file)
--- a/README.md
+++ b/README.md
@@ -212,6 +212,10 @@ profiles matching multiple (or any) monitors.
 
 ## Changelog
 
+**autorandr 1.9 (dev)**
+
+* *2019-03-24* Fix handling of recently disconnected outputs (See #128 and #143)
+
 **autorandr 1.8.1**
 
 * *2019-03-18* Removed mandb call from Makefile

diff --git a/autorandr.py b/autorandr.py
index cf9b0c8ec0f08c7584830f000c6abd6260bcff42..e9bf2086f7fbc7324938f112046ff5ebb941bb0c 100755 (executable)
--- a/autorandr.py
+++ b/autorandr.py
@@ -317,7 +317,13 @@ class XrandrOutput(object):
         else:
             edid = "%s-%s" % (XrandrOutput.EDID_UNAVAILABLE, match["output"])
 
-        if not match["connected"] or not match["width"]:
+        # An output can be disconnected but still have a mode configured. This can only happen
+        # as a residual situation after a disconnect, you cannot associate a mode with an disconnected
+        # output.
+        #
+        # This code needs to be careful not to mix the two. An output should only be configured to
+        # "off" if it doesn't have a mode associated with it, which is modelled as "not a width" here.
+        if not match["width"]:
             options["off"] = None
         else:
             if match["mode_name"]:
@@ -326,10 +332,11 @@ class XrandrOutput(object):
                 options["mode"] = "%sx%s" % (match["mode_width"], match["mode_height"])
             else:
                 if match["rotate"] not in ("left", "right"):
-                    options["mode"] = "%sx%s" % (match["width"], match["height"])
+                    options["mode"] = "%sx%s" % (match["width"] or 0, match["height"] or 0)
                 else:
-                    options["mode"] = "%sx%s" % (match["height"], match["width"])
-            options["rotate"] = match["rotate"]
+                    options["mode"] = "%sx%s" % (match["height"] or 0, match["width"] or 0)
+            if match["rotate"]:
+                options["rotate"] = match["rotate"]
             if match["primary"]:
                 options["primary"] = None
             if match["reflect"] == "X":
@@ -572,6 +579,17 @@ def profile_blocked(profile_path, meta_information=None):
     return not exec_scripts(profile_path, "block", meta_information)
 
 
+def check_configuration_pre_save(configuration):
+    "Check that a configuration is safe for saving."
+    outputs = sorted(configuration.keys(), key=lambda x: configuration[x].sort_key)
+    for output in outputs:
+        if "off" not in configuration[output].options and not configuration[output].edid:
+            return ("`%(o)s' is not off (has a mode configured) but is disconnected (does not have an EDID).\n"
+                    "This typically means that it has been recently unplugged and then not properly disabled\n"
+                    "by the user. Please disable it (e.g. using `xrandr --output %(o)s --off`) and then rerun\n"
+                    "this command.") % {"o": output}
+
+
 def output_configuration(configuration, config):
     "Write a configuration file"
     outputs = sorted(configuration.keys(), key=lambda x: configuration[x].sort_key)
@@ -1189,6 +1207,11 @@ def main(argv):
         if options["--save"] in (x[0] for x in virtual_profiles):
             raise AutorandrException("Cannot save current configuration as profile '%s':\n"
                                      "This configuration name is a reserved virtual configuration." % options["--save"])
+        error = check_configuration_pre_save(config)
+        if error:
+            print("Cannot save current configuration as profile '%s':" % options["--save"])
+            print(error)
+            sys.exit(1)
         try:
             profile_folder = os.path.join(profile_path, options["--save"])
             save_configuration(profile_folder, config)