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randr: Register monitors' output names as additional i3 output names 

In addition to the name of the monitor itself (which is still used as
the i3 output's primary name), register RandR output names associated
with the RandR monitor as alternative i3 output names.
This commit is contained in:
Vladimir Panteleev 2017-09-09 09:00:22 +00:00 committed by Michael Stapelberg
parent 6c0e715877
commit 08ad82c3bb
1 changed files with 31 additions and 1 deletions
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32
src/randr.c
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@ -599,9 +599,39 @@ static bool randr_query_outputs_15(void) {
if (new == NULL) {
new = scalloc(1, sizeof(Output));
SLIST_INIT(&new->names_head);
/* Register associated output names in addition to the monitor name */
xcb_randr_output_t *randr_outputs = xcb_randr_monitor_info_outputs(monitor_info);
int randr_output_len = xcb_randr_monitor_info_outputs_length(monitor_info);
for (int i = 0; i < randr_output_len; i++) {
xcb_randr_output_t randr_output = randr_outputs[i];
xcb_randr_get_output_info_reply_t *info =
xcb_randr_get_output_info_reply(conn,
xcb_randr_get_output_info(conn, randr_output, monitors->timestamp),
NULL);
if (info != NULL && info->crtc != XCB_NONE) {
char *oname;
sasprintf(&oname, "%.*s",
xcb_randr_get_output_info_name_length(info),
xcb_randr_get_output_info_name(info));
if (strcmp(name, oname) != 0) {
struct output_name *output_name = scalloc(1, sizeof(struct output_name));
output_name->name = sstrdup(oname);
SLIST_INSERT_HEAD(&new->names_head, output_name, names);
} else {
free(oname);
}
}
FREE(info);
}
/* Insert the monitor name last, so that it's used as the primary name */
struct output_name *output_name = scalloc(1, sizeof(struct output_name));
output_name->name = sstrdup(name);
SLIST_INIT(&new->names_head);
SLIST_INSERT_HEAD(&new->names_head, output_name, names);
if (monitor_info->primary) {