From 2ad7df868097d557ed3cc41dfa60e0637f8a08e8 Mon Sep 17 00:00:00 2001
From: emersion <contact@emersion.fr>
Date: Tue, 23 Jan 2018 13:37:58 +0100
Subject: rootston: damage tracking for drag icons

---
 include/rootston/output.h           |  5 +++++
 include/rootston/seat.h             | 21 ++++++++++++++++++++-
 include/wlr/types/wlr_data_device.h |  4 ++--
 include/wlr/types/wlr_seat.h        |  2 ++
 4 files changed, 29 insertions(+), 3 deletions(-)

(limited to 'include')

diff --git a/include/rootston/output.h b/include/rootston/output.h
index 89fe1d82..81f20788 100644
--- a/include/rootston/output.h
+++ b/include/rootston/output.h
@@ -37,9 +37,14 @@ struct roots_output {
 void output_add_notify(struct wl_listener *listener, void *data);
 void output_remove_notify(struct wl_listener *listener, void *data);
 
+struct roots_view;
+struct roots_drag_icon;
+
 void output_damage_whole_view(struct roots_output *output,
 	struct roots_view *view);
 void output_damage_from_view(struct roots_output *output,
 	struct roots_view *view);
+void output_damage_whole_drag_icon(struct roots_output *output,
+	struct roots_drag_icon *icon);
 
 #endif
diff --git a/include/rootston/seat.h b/include/rootston/seat.h
index cf5dd3b2..4dec582e 100644
--- a/include/rootston/seat.h
+++ b/include/rootston/seat.h
@@ -17,12 +17,15 @@ struct roots_seat {
 	struct wl_list views; // roots_seat_view::link
 	bool has_focus;
 
+	struct wl_list drag_icons; // roots_drag_icon::link
+
 	struct wl_list keyboards;
 	struct wl_list pointers;
 	struct wl_list touch;
 	struct wl_list tablet_tools;
 
-	struct wl_listener seat_destroy;
+	struct wl_listener new_drag_icon;
+	struct wl_listener destroy;
 };
 
 struct roots_seat_view {
@@ -33,6 +36,18 @@ struct roots_seat_view {
 	struct wl_listener view_destroy;
 };
 
+struct roots_drag_icon {
+	struct roots_seat *seat;
+	struct wlr_drag_icon *wlr_drag_icon;
+	struct wl_list link;
+
+	double x, y;
+
+	struct wl_listener surface_commit;
+	struct wl_listener map;
+	struct wl_listener destroy;
+};
+
 struct roots_pointer {
 	struct roots_seat *seat;
 	struct wlr_input_device *device;
@@ -84,4 +99,8 @@ void roots_seat_begin_resize(struct roots_seat *seat, struct roots_view *view,
 
 void roots_seat_begin_rotate(struct roots_seat *seat, struct roots_view *view);
 
+void roots_drag_icon_update_position(struct roots_drag_icon *icon);
+
+void roots_drag_icon_damage_whole(struct roots_drag_icon *icon);
+
 #endif
diff --git a/include/wlr/types/wlr_data_device.h b/include/wlr/types/wlr_data_device.h
index 54514b4c..ff4a0f7e 100644
--- a/include/wlr/types/wlr_data_device.h
+++ b/include/wlr/types/wlr_data_device.h
@@ -71,10 +71,10 @@ struct wlr_drag_icon {
 	bool is_pointer;
 	int32_t touch_id;
 
-	int32_t sx;
-	int32_t sy;
+	int32_t sx, sy;
 
 	struct {
+		struct wl_signal map; // emitted when mapped or unmapped
 		struct wl_signal destroy;
 	} events;
 
diff --git a/include/wlr/types/wlr_seat.h b/include/wlr/types/wlr_seat.h
index c2a89f33..ffdabd98 100644
--- a/include/wlr/types/wlr_seat.h
+++ b/include/wlr/types/wlr_seat.h
@@ -209,6 +209,8 @@ struct wlr_seat {
 		struct wl_signal selection;
 		struct wl_signal primary_selection;
 
+		struct wl_signal new_drag_icon;
+
 		struct wl_signal destroy;
 	} events;
 
-- 
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