Draft: Handle hotplug HDMI events

On hotplug events outputs are destroyed and created, which is not currently supported. Add minimal support to it.

infrastructure/apertis-issues#218 (closed)

Signed-off-by: Walter Lozano walter.lozano@collabora.com

client/maynard.c

@@ -78,6 +78,7 @@ struct desktop {
   int ready;
   struct wl_seat *seat;
   struct wl_pointer *pointer;
+  uint32_t output_id;
 
   GdkDisplay *gdk_display;
 
@@ -649,6 +650,7 @@ registry_handle_global (void *data,
         return;
       d->output = wl_registry_bind (registry, name,
           &wl_output_interface, 1);
+      d->output_id = name;
     }
   else if (!strcmp (interface, "wl_seat"))
     {
@@ -678,6 +680,13 @@ registry_handle_global_remove (void *data,
     struct wl_registry *registry,
     uint32_t name)
 {
+    struct desktop *d = data;
+
+    if (d->output_id == name && d->output) {
+      g_warning ("registry_handle_global_remove: unbinding output %d", name);
+      d->output = NULL;
+      d->output_id = 0;
+    }
 }
 
 static const struct wl_registry_listener registry_listener = {
@@ -744,6 +753,7 @@ main (int argc,
   desktop->ready = 0;
   desktop->seat = NULL;
   desktop->pointer = NULL;
+  desktop->output_id = 0;
 
   desktop->background = NULL;
   desktop->panel = NULL;

[Andre Moreira Magalhaes]

Also I believe you want to g_debug here instead?