Implement atomic layout updates for tree operations

This implements atomic layout updates for when views map, reparent or
unmap.

1 files changed, 9 insertions, 0 deletions

diff --git a/include/sway/desktop/transaction.h b/include/sway/desktop/transaction.h
index 5aff28e9..d6adc609 100644
--- a/include/sway/desktop/transaction.h
+++ b/include/sway/desktop/transaction.h
@@ -1,5 +1,6 @@
 #ifndef _SWAY_TRANSACTION_H
 #define _SWAY_TRANSACTION_H
+#include <wlr/render/wlr_texture.h>
 #include "sway/tree/container.h"
 
 /**
@@ -48,4 +49,12 @@ void transaction_commit(struct sway_transaction *transaction);
  */
 void transaction_notify_view_ready(struct sway_view *view, uint32_t serial);
 
+/**
+ * Get the texture that should be rendered for a view.
+ *
+ * In most cases this will return the normal live texture for a view, but if the
+ * view is in a transaction then it'll return a saved texture.
+ */
+struct wlr_texture *transaction_get_texture(struct sway_view *view);
+
 #endif