3 files changed, 33 insertions, 0 deletions

diff --git a/include/sway/scratchpad.h b/include/sway/scratchpad.h
new file mode 100644
index 00000000..5af5256f
--- /dev/null
+++ b/include/sway/scratchpad.h
@@ -0,0 +1,26 @@
+#ifndef _SWAY_SCRATCHPAD_H
+#define _SWAY_SCRATCHPAD_H
+
+#include "tree/container.h"
+
+/**
+ * Move a container to the scratchpad.
+ */
+void scratchpad_add_container(struct sway_container *con);
+
+/**
+ * Remove a container from the scratchpad.
+ */
+void scratchpad_remove_container(struct sway_container *con);
+
+/**
+ * Show or hide the next container on the scratchpad.
+ */
+void scratchpad_toggle_auto(void);
+
+/**
+ * Show or hide a specific container on the scratchpad.
+ */
+void scratchpad_toggle_container(struct sway_container *con);
+
+#endif
diff --git a/include/sway/tree/container.h b/include/sway/tree/container.h
index 59c5b4c7..2a4be18c 100644
--- a/include/sway/tree/container.h
+++ b/include/sway/tree/container.h
@@ -135,6 +135,11 @@ struct sway_container {
 
         struct sway_container *parent;
 
+        // Indicates that the container is a scratchpad container.
+        // Both hidden and visible scratchpad containers have scratchpad=true.
+        // Hidden scratchpad containers have a NULL parent.
+        bool scratchpad;
+
         float alpha;
 
         struct wlr_texture *title_focused;
diff --git a/include/sway/tree/layout.h b/include/sway/tree/layout.h
index 5a78fd58..7d7da2d7 100644
--- a/include/sway/tree/layout.h
+++ b/include/sway/tree/layout.h
@@ -35,6 +35,8 @@ struct sway_root {
 
         struct wl_list outputs; // sway_output::link
 
+        list_t *scratchpad; // struct sway_container
+
         struct {
                 struct wl_signal new_container;
         } events;