pointer: Remove output position from coordinates

This is no longer required as the input is mapped to the output in the
compositor.

protocols/wlr-virtual-pointer-unstable-v1.xml

@@ -118,7 +118,7 @@
     </request>
   </interface>
 
-  <interface name="zwlr_virtual_pointer_manager_v1" version="1">
+  <interface name="zwlr_virtual_pointer_manager_v1" version="2">
     <description summary="virtual pointer manager">
       This object allows clients to create individual virtual pointer objects.
     </description>
@@ -131,9 +131,19 @@
       <arg name="seat" type="object" interface="wl_seat" allow-null="true"/>
       <arg name="id" type="new_id" interface="zwlr_virtual_pointer_v1"/>
     </request>
-
     <request name="destroy" type="destructor" since="1">
       <description summary="destroy the virtual pointer manager"/>
     </request>
+
+    <request name="create_virtual_pointer2" since="2">
+      <description summary="Create a new virtual pointer">
+        Creates a new virtual pointer. The seat and the output arguments are
+        optional. If they are set, the compositor must bind the pointer
+        accordingly.
+      </description>
+      <arg name="seat" type="object" interface="wl_seat" allow-null="true"/>
+      <arg name="output" type="object" interface="wl_output" allow-null="true"/>
+      <arg name="id" type="new_id" interface="zwlr_virtual_pointer_v1"/>
+    </request>
   </interface>
 </protocol>

src/main.c

@@ -163,7 +163,7 @@ static void registry_add(void* data, struct wl_registry* registry,
 		self->pointer_manager =
 			wl_registry_bind(registry, id,
 					 &zwlr_virtual_pointer_manager_v1_interface,
-					 1);
+					 2);
 		return;
 	}
 
@@ -760,8 +760,9 @@ int main(int argc, char* argv[])
 	self.pointer_backend.output = self.selected_output;
 
 	self.pointer_backend.pointer =
-		zwlr_virtual_pointer_manager_v1_create_virtual_pointer(
+		zwlr_virtual_pointer_manager_v1_create_virtual_pointer2(
-			self.pointer_manager, self.selected_seat->wl_seat);
+			self.pointer_manager, self.selected_seat->wl_seat,
+			out->wl_output);
 
 	pointer_init(&self.pointer_backend);
 

src/pointer.c

@@ -76,8 +76,7 @@ void pointer_set(struct pointer* self, uint32_t x, uint32_t y,
 
 	if (x != self->current_x || y != self->current_y)
 		zwlr_virtual_pointer_v1_motion_absolute(self->pointer, t,
-		                                        self->output->x + x,
+		                                        x, y,
-		                                        self->output->y + y,
 		                                        self->output->width,
 		                                        self->output->height);