Sort dock clients by class and instance
This is similar to #3820 but does not use qsort but an insertion sort in con_attach. Since each bar block automatically gets its own incremental bar id, bards end up being sorted according to their definition order in the config file. For i3bar, the WM_CLASS is modified to include an instance name which depends on the bar_id. This could be useful for other reason, e.g. users targeting a specific bar instance. Fixes #3491
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@@ -685,19 +685,6 @@ static void handle_visibility_notify(xcb_visibility_notify_event_t *event) {
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}
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}
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static int strcasecmp_nullable(const char *a, const char *b) {
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if (a == b) {
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return 0;
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}
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if (a == NULL) {
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return -1;
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}
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if (b == NULL) {
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return 1;
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}
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return strcasecmp(a, b);
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}
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/*
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* Comparison function to sort trayclients in ascending alphanumeric order
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* according to their class.
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