extensions: Track panels by wl_resource, position per panel.

Track each panel separately via its wl_resource. `set_panel_position`
might be called before `set_panel`, so reuse panel config.

Place the position in panel_config so that each panel has its own
position.

1 files changed, 3 insertions, 1 deletions

diff --git a/include/extensions.h b/include/extensions.h
index 67c7d5fe..164688ee 100644
--- a/include/extensions.h
+++ b/include/extensions.h
@@ -14,10 +14,13 @@ struct background_config {
 };
 
 struct panel_config {
+        // wayland resource used in callbacks, is used to track this panel
+        struct wl_resource *wl_resource;
         wlc_handle output;
         wlc_resource surface;
         // we need the wl_resource of the surface in the destructor
         struct wl_resource *wl_surface_res;
+        enum desktop_shell_panel_position panel_position;
 };
 
 struct desktop_shell_state {
@@ -25,7 +28,6 @@ struct desktop_shell_state {
         list_t *panels;
         list_t *lock_surfaces;
         bool is_locked;
-        enum desktop_shell_panel_position panel_position;
         struct wlc_size panel_size;
 };