Merge branch 'master' into xwayland-dnd

17 files changed, 132 insertions, 29 deletions

diff --git a/include/backend/headless.h b/include/backend/headless.h
index e130bae1..add4c4e8 100644
--- a/include/backend/headless.h
+++ b/include/backend/headless.h
@@ -4,6 +4,8 @@
 #include <wlr/backend/headless.h>
 #include <wlr/backend/interface.h>
 
+#define HEADLESS_DEFAULT_REFRESH (60 * 1000) // 60 Hz
+
 struct wlr_headless_backend {
 	struct wlr_backend backend;
 	struct wlr_egl egl;
diff --git a/include/backend/libinput.h b/include/backend/libinput.h
index f828c310..4eee7eb8 100644
--- a/include/backend/libinput.h
+++ b/include/backend/libinput.h
@@ -29,6 +29,8 @@ struct wlr_libinput_input_device {
 	struct libinput_device *handle;
 };
 
+uint32_t usec_to_msec(uint64_t usec);
+
 void wlr_libinput_event(struct wlr_libinput_backend *state,
 		struct libinput_event *event);
 
diff --git a/include/backend/x11.h b/include/backend/x11.h
index 33c9a427..1c88cefc 100644
--- a/include/backend/x11.h
+++ b/include/backend/x11.h
@@ -12,6 +12,8 @@
 
 #define XCB_EVENT_RESPONSE_TYPE_MASK 0x7f
 
+#define X11_DEFAULT_REFRESH (60 * 1000) // 60 Hz
+
 struct wlr_x11_backend;
 
 struct wlr_x11_output {
@@ -79,6 +81,8 @@ const struct wlr_input_device_impl input_device_impl;
 
 bool x11_handle_input_event(struct wlr_x11_backend *x11,
 	xcb_generic_event_t *event);
+void x11_update_pointer_position(struct wlr_x11_output *output,
+	xcb_timestamp_t time);
 
 void x11_output_handle_configure_notify(struct wlr_x11_output *output,
 	xcb_configure_notify_event_t *event);
diff --git a/include/rootston/desktop.h b/include/rootston/desktop.h
index c1dcad56..f150147b 100644
--- a/include/rootston/desktop.h
+++ b/include/rootston/desktop.h
@@ -6,6 +6,7 @@
 #include <wlr/types/wlr_compositor.h>
 #include <wlr/types/wlr_gamma_control.h>
 #include <wlr/types/wlr_idle.h>
+#include <wlr/types/wlr_input_inhibitor.h>
 #include <wlr/types/wlr_layer_shell.h>
 #include <wlr/types/wlr_linux_dmabuf.h>
 #include <wlr/types/wlr_list.h>
@@ -47,6 +48,7 @@ struct roots_desktop {
 	struct wlr_primary_selection_device_manager *primary_selection_device_manager;
 	struct wlr_idle *idle;
 	struct wlr_idle_inhibit_manager_v1 *idle_inhibit;
+	struct wlr_input_inhibit_manager *input_inhibit;
 	struct wlr_linux_dmabuf *linux_dmabuf;
 	struct wlr_layer_shell *layer_shell;
 
@@ -57,6 +59,8 @@ struct roots_desktop {
 	struct wl_listener wl_shell_surface;
 	struct wl_listener layer_shell_surface;
 	struct wl_listener decoration_new;
+	struct wl_listener input_inhibit_activate;
+	struct wl_listener input_inhibit_deactivate;
 
 #ifdef WLR_HAS_XWAYLAND
 	struct wlr_xwayland *xwayland;
diff --git a/include/rootston/seat.h b/include/rootston/seat.h
index 6f482723..d2ef90f3 100644
--- a/include/rootston/seat.h
+++ b/include/rootston/seat.h
@@ -19,6 +19,9 @@ struct roots_seat {
 	// If the focused layer is set, views cannot receive keyboard focus
 	struct wlr_layer_surface *focused_layer;
 
+	// If non-null, only this client can receive input events
+	struct wl_client *exclusive_client;
+
 	struct wl_list views; // roots_seat_view::link
 	bool has_focus;
 
@@ -125,4 +128,10 @@ void roots_drag_icon_update_position(struct roots_drag_icon *icon);
 
 void roots_drag_icon_damage_whole(struct roots_drag_icon *icon);
 
+void roots_seat_set_exclusive_client(struct roots_seat *seat,
+		struct wl_client *client);
+
+bool roots_seat_allow_input(struct roots_seat *seat,
+		struct wl_resource *resource);
+
 #endif
diff --git a/include/wlr/backend.h b/include/wlr/backend.h
index e3b14add..f5482e04 100644
--- a/include/wlr/backend.h
+++ b/include/wlr/backend.h
@@ -46,6 +46,4 @@ struct wlr_egl *wlr_backend_get_egl(struct wlr_backend *backend);
  */
 struct wlr_renderer *wlr_backend_get_renderer(struct wlr_backend *backend);
 
-uint32_t usec_to_msec(uint64_t usec);
-
 #endif
diff --git a/include/wlr/types/wlr_compositor.h b/include/wlr/types/wlr_compositor.h
index 11bfac71..922d7c0f 100644
--- a/include/wlr/types/wlr_compositor.h
+++ b/include/wlr/types/wlr_compositor.h
@@ -4,6 +4,8 @@
 #include <wayland-server.h>
 #include <wlr/render/wlr_renderer.h>
 
+struct wlr_surface;
+
 struct wlr_compositor {
 	struct wl_global *wl_global;
 	struct wl_list wl_resources;
@@ -22,4 +24,8 @@ void wlr_compositor_destroy(struct wlr_compositor *wlr_compositor);
 struct wlr_compositor *wlr_compositor_create(struct wl_display *display,
 		struct wlr_renderer *renderer);
 
+bool wlr_surface_is_subsurface(struct wlr_surface *surface);
+
+struct wlr_subsurface *wlr_subsurface_from_surface(struct wlr_surface *surface);
+
 #endif
diff --git a/include/wlr/types/wlr_cursor.h b/include/wlr/types/wlr_cursor.h
index 0883f3ca..b764e6d2 100644
--- a/include/wlr/types/wlr_cursor.h
+++ b/include/wlr/types/wlr_cursor.h
@@ -54,6 +54,8 @@ struct wlr_cursor {
 		struct wl_signal tablet_tool_tip;
 		struct wl_signal tablet_tool_button;
 	} events;
+
+	void *data;
 };
 
 struct wlr_cursor *wlr_cursor_create();
diff --git a/include/wlr/types/wlr_input_inhibitor.h b/include/wlr/types/wlr_input_inhibitor.h
new file mode 100644
index 00000000..4416c18f
--- /dev/null
+++ b/include/wlr/types/wlr_input_inhibitor.h
@@ -0,0 +1,25 @@
+#ifndef WLR_TYPES_INPUT_INHIBITOR_H
+#define WLR_TYPES_INPUT_INHIBITOR_H
+#include <wayland-server.h>
+
+struct wlr_input_inhibit_manager {
+	struct wl_global *wl_global;
+	struct wl_client *active_client;
+	struct wl_resource *active_inhibitor;
+
+	struct wl_listener display_destroy;
+
+	struct {
+		struct wl_signal activate;   // struct wlr_input_inhibit_manager *
+		struct wl_signal deactivate; // struct wlr_input_inhibit_manager *
+	} events;
+
+	void *data;
+};
+
+struct wlr_input_inhibit_manager *wlr_input_inhibit_manager_create(
+		struct wl_display *display);
+void wlr_input_inhibit_manager_destroy(
+		struct wlr_input_inhibit_manager *manager);
+
+#endif
diff --git a/include/wlr/types/wlr_output.h b/include/wlr/types/wlr_output.h
index b838a737..cc03452d 100644
--- a/include/wlr/types/wlr_output.h
+++ b/include/wlr/types/wlr_output.h
@@ -112,8 +112,15 @@ struct wlr_surface;
 void wlr_output_enable(struct wlr_output *output, bool enable);
 void wlr_output_create_global(struct wlr_output *output);
 void wlr_output_destroy_global(struct wlr_output *output);
+/**
+ * Sets the output mode.
+ */
 bool wlr_output_set_mode(struct wlr_output *output,
 	struct wlr_output_mode *mode);
+/**
+ * Sets a custom mode on the output. If modes are available, they are preferred.
+ * Setting `refresh` to zero lets the backend pick a preferred value.
+ */
 bool wlr_output_set_custom_mode(struct wlr_output *output, int32_t width,
 	int32_t height, int32_t refresh);
 void wlr_output_set_transform(struct wlr_output *output,
diff --git a/include/wlr/types/wlr_output_layout.h b/include/wlr/types/wlr_output_layout.h
index 3c150fc0..ccb2cd61 100644
--- a/include/wlr/types/wlr_output_layout.h
+++ b/include/wlr/types/wlr_output_layout.h
@@ -17,6 +17,8 @@ struct wlr_output_layout {
 		struct wl_signal change;
 		struct wl_signal destroy;
 	} events;
+
+	void *data;
 };
 
 struct wlr_output_layout_output_state;
@@ -32,6 +34,11 @@ struct wlr_output_layout_output {
 	} events;
 };
 
+/**
+ * Creates a wlr_output_layout, which can be used to describing outputs in
+ * physical space relative to one another, and perform various useful operations
+ * on that state.
+ */
 struct wlr_output_layout *wlr_output_layout_create();
 
 void wlr_output_layout_destroy(struct wlr_output_layout *layout);
diff --git a/include/wlr/types/wlr_seat.h b/include/wlr/types/wlr_seat.h
index 34105cf0..ff907f97 100644
--- a/include/wlr/types/wlr_seat.h
+++ b/include/wlr/types/wlr_seat.h
@@ -537,6 +537,7 @@ bool wlr_seat_touch_has_grab(struct wlr_seat *seat);
  */
 bool wlr_seat_validate_grab_serial(struct wlr_seat *seat, uint32_t serial);
 
-struct wlr_seat_client *wlr_seat_client_from_resource(struct wl_resource *resource);
+struct wlr_seat_client *wlr_seat_client_from_resource(
+		struct wl_resource *resource);
 
 #endif
diff --git a/include/wlr/types/wlr_surface.h b/include/wlr/types/wlr_surface.h
index 4d03df73..380e5e03 100644
--- a/include/wlr/types/wlr_surface.h
+++ b/include/wlr/types/wlr_surface.h
@@ -122,20 +122,24 @@ void wlr_surface_make_subsurface(struct wlr_surface *surface,
 		struct wlr_surface *parent, uint32_t id);
 
 /**
- * Get the top of the subsurface tree for this surface.
+ * Get the root of the subsurface tree for this surface.
  */
-struct wlr_surface *wlr_surface_get_main_surface(struct wlr_surface *surface);
+struct wlr_surface *wlr_surface_get_root_surface(struct wlr_surface *surface);
 
 /**
- * Find a subsurface within this surface at the surface-local coordinates.
- * Returns the surface and coordinates in the topmost surface coordinate system
- * or NULL if no subsurface is found at that location.
+ * Check if the surface accepts input events at the given surface-local
+ * coordinates. Does not check the surface's subsurfaces.
  */
-struct wlr_subsurface *wlr_surface_subsurface_at(struct wlr_surface *surface,
-		double sx, double sy, double *sub_x, double *sub_y);
+bool wlr_surface_point_accepts_input(struct wlr_surface *surface,
+		double sx, double sy);
 
-bool wlr_surface_point_accepts_input(
-		struct wlr_surface *surface, double sx, double sy);
+/**
+ * Find a surface in this surface's tree that accepts input events at the given
+ * surface-local coordinates. Returns the surface and coordinates in the leaf
+ * surface coordinate system or NULL if no surface is found at that location.
+ */
+struct wlr_surface *wlr_surface_surface_at(struct wlr_surface *surface,
+		double sx, double sy, double *sub_x, double *sub_y);
 
 void wlr_surface_send_enter(struct wlr_surface *surface,
 		struct wlr_output *output);
diff --git a/include/wlr/types/wlr_wl_shell.h b/include/wlr/types/wlr_wl_shell.h
index 63b1a837..89e950c9 100644
--- a/include/wlr/types/wlr_wl_shell.h
+++ b/include/wlr/types/wlr_wl_shell.h
@@ -142,13 +142,13 @@ void wlr_wl_shell_surface_configure(struct wlr_wl_shell_surface *surface,
 	enum wl_shell_surface_resize edges, int32_t width, int32_t height);
 
 /**
- * Find a popup within this surface at the surface-local coordinates. Returns
- * the popup and coordinates in the topmost surface coordinate system or NULL if
- * no popup is found at that location.
+ * Find a surface within this wl-shell surface tree at the given surface-local
+ * coordinates. Returns the surface and coordinates in the leaf surface
+ * coordinate system or NULL if no surface is found at that location.
  */
-struct wlr_wl_shell_surface *wlr_wl_shell_surface_popup_at(
+struct wlr_surface *wlr_wl_shell_surface_surface_at(
 		struct wlr_wl_shell_surface *surface, double sx, double sy,
-		double *popup_sx, double *popup_sy);
+		double *sub_sx, double *sub_sy);
 
 bool wlr_surface_is_wl_shell_surface(struct wlr_surface *surface);
 
diff --git a/include/wlr/types/wlr_xdg_output.h b/include/wlr/types/wlr_xdg_output.h
new file mode 100644
index 00000000..27dad2b8
--- /dev/null
+++ b/include/wlr/types/wlr_xdg_output.h
@@ -0,0 +1,32 @@
+#ifndef WLR_TYPES_WLR_XDG_OUTPUT_H
+#define WLR_TYPES_WLR_XDG_OUTPUT_H
+#include <wayland-server.h>
+#include <wlr/types/wlr_output_layout.h>
+
+struct wlr_xdg_output {
+	struct wl_list link;
+	struct wl_list resources;
+
+	struct wlr_xdg_output_manager *manager;
+	struct wlr_output_layout_output *layout_output;
+
+	struct wl_listener destroy;
+};
+
+struct wlr_xdg_output_manager {
+	struct wl_global *global;
+
+	struct wlr_output_layout *layout;
+
+	struct wl_list outputs;
+
+	struct wl_listener layout_add;
+	struct wl_listener layout_change;
+	struct wl_listener layout_destroy;
+};
+
+struct wlr_xdg_output_manager *wlr_xdg_output_manager_create(
+		struct wl_display *display, struct wlr_output_layout *layout);
+void wlr_xdg_output_manager_destroy(struct wlr_xdg_output_manager *manager);
+
+#endif
diff --git a/include/wlr/types/wlr_xdg_shell.h b/include/wlr/types/wlr_xdg_shell.h
index b779017f..29b54dba 100644
--- a/include/wlr/types/wlr_xdg_shell.h
+++ b/include/wlr/types/wlr_xdg_shell.h
@@ -215,19 +215,19 @@ uint32_t wlr_xdg_toplevel_set_resizing(struct wlr_xdg_surface *surface,
 void wlr_xdg_surface_send_close(struct wlr_xdg_surface *surface);
 
 /**
- * Compute the popup position in surface-local coordinates.
+ * Compute the popup position in its parent's surface-local coordinate system.
  */
 void wlr_xdg_surface_popup_get_position(struct wlr_xdg_surface *surface,
 		double *popup_sx, double *popup_sy);
 
 /**
- * Find a popup within this surface at the surface-local coordinates. Returns
- * the popup and coordinates in the topmost surface coordinate system or NULL if
- * no popup is found at that location.
+ * Find a surface within this xdg-surface tree at the given surface-local
+ * coordinates. Returns the surface and coordinates in the leaf surface
+ * coordinate system or NULL if no surface is found at that location.
  */
-struct wlr_xdg_surface *wlr_xdg_surface_popup_at(
+struct wlr_surface *wlr_xdg_surface_surface_at(
 		struct wlr_xdg_surface *surface, double sx, double sy,
-		double *popup_sx, double *popup_sy);
+		double *sub_x, double *sub_y);
 
 bool wlr_surface_is_xdg_surface(struct wlr_surface *surface);
 
diff --git a/include/wlr/types/wlr_xdg_shell_v6.h b/include/wlr/types/wlr_xdg_shell_v6.h
index 04c1f324..b646f3fe 100644
--- a/include/wlr/types/wlr_xdg_shell_v6.h
+++ b/include/wlr/types/wlr_xdg_shell_v6.h
@@ -233,19 +233,19 @@ uint32_t wlr_xdg_toplevel_v6_set_resizing(struct wlr_xdg_surface_v6 *surface,
 void wlr_xdg_surface_v6_send_close(struct wlr_xdg_surface_v6 *surface);
 
 /**
- * Compute the popup position in surface-local coordinates.
+ * Compute the popup position in its parent's surface-local coordinate system.
  */
 void wlr_xdg_surface_v6_popup_get_position(struct wlr_xdg_surface_v6 *surface,
 		double *popup_sx, double *popup_sy);
 
 /**
- * Find a popup within this surface at the surface-local coordinates. Returns
- * the popup and coordinates in the topmost surface coordinate system or NULL if
- * no popup is found at that location.
+ * Find a surface within this xdg-surface tree at the given surface-local
+ * coordinates. Returns the surface and coordinates in the leaf surface
+ * coordinate system or NULL if no surface is found at that location.
  */
-struct wlr_xdg_surface_v6 *wlr_xdg_surface_v6_popup_at(
+struct wlr_surface *wlr_xdg_surface_v6_surface_at(
 		struct wlr_xdg_surface_v6 *surface, double sx, double sy,
-		double *popup_sx, double *popup_sy);
+		double *sub_x, double *sub_y);
 
 /**
  * Get the geometry for this positioner based on the anchor rect, gravity, and