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take care of non-existant old workspaces

This commit is contained in:
Francesco Mazzoli 2012-11-03 11:17:30 +00:00 committed by Michael Stapelberg
parent 74d596e0fc
commit 464d387044
2 changed files with 7 additions and 2 deletions
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4
docs/ipc
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@ -646,7 +646,9 @@ This event consists of a single serialized map containing a property
+change (string)+ which indicates the type of the change ("focus", "init", +change (string)+ which indicates the type of the change ("focus", "init",
"empty", "urgent"). Additionally, when the change is "focus", an +old "empty", "urgent"). Additionally, when the change is "focus", an +old
(object)+ and a +current (object)+ properties will be present with the (object)+ and a +current (object)+ properties will be present with the
previous and current workspace respectively. previous and current workspace respectively. When the first switch
occurs (when i3 focuses the workspace visible at the beginning) there is
no previous workspace, and the +old+ property will be set to +null+.
*Example:* *Example:*
--------------------- ---------------------

5
src/workspace.c
View File

@ -350,7 +350,10 @@ static void _workspace_focus_event(Con *current, Con *old) {
dump_node(gen, current, false); dump_node(gen, current, false);
ystr("old"); ystr("old");
dump_node(gen, old, false); if (old == NULL)
y(null);
else
dump_node(gen, old, false);
y(map_close); y(map_close);