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module/i3: workspace::focus is apparently Sway only

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On i3, users are currently greeted with:

  err: modules/i3.c:94: workspace reply/event without 'name' and/or
       'output', and/or 'focus' properties

This patch makes ‘focus’ an optional attribute. When missing, we
assume a node-count of 0, which means the workspace’s ‘empty’ tag will
always be true. Document this in the i3 man page.
This commit is contained in:
Daniel Eklöf 2022-02-15 21:14:08 +01:00
parent 1ce108f24e
commit c44970717b
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3 changed files with 18 additions and 7 deletions
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17
modules/i3.c
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@ -103,16 +103,18 @@ static bool
workspace_from_json(const struct json_object *json, struct workspace *ws)
{
/* Always present */
struct json_object *name, *output, *focus;
struct json_object *name, *output;
if (!json_object_object_get_ex(json, "name", &name) ||
!json_object_object_get_ex(json, "output", &output) ||
!json_object_object_get_ex(json, "focus", &focus))
!json_object_object_get_ex(json, "output", &output))
{
LOG_ERR("workspace reply/event without 'name' and/or 'output', "
"and/or 'focus' properties");
LOG_ERR("workspace reply/event without 'name' and/or 'output' "
"properties");
return false;
}
/* Sway only */
struct json_object *focus = NULL;
json_object_object_get_ex(json, "focus", &focus);
/* Optional */
struct json_object *visible = NULL, *focused = NULL, *urgent = NULL;
@ -122,7 +124,10 @@ workspace_from_json(const struct json_object *json, struct workspace *ws)
const char *name_as_string = json_object_get_string(name);
const size_t node_count = json_object_array_length(focus);
const size_t node_count = focus != NULL
? json_object_array_length(focus)
: 0;
const bool is_empty = node_count == 0;
int name_as_int = workspace_name_as_int(name_as_string);