xdg-shell stable: copy-pasta implementation

1 files changed, 232 insertions, 0 deletions

diff --git a/include/wlr/types/wlr_xdg_shell.h b/include/wlr/types/wlr_xdg_shell.h
new file mode 100644
index 00000000..8422863c
--- /dev/null
+++ b/include/wlr/types/wlr_xdg_shell.h
@@ -0,0 +1,232 @@
+#ifndef WLR_TYPES_WLR_XDG_SHELL_H
+#define WLR_TYPES_WLR_XDG_SHELL_H
+
+#include <wlr/types/wlr_box.h>
+#include <wlr/types/wlr_seat.h>
+#include <wayland-server.h>
+
+struct wlr_xdg_shell {
+	struct wl_global *wl_global;
+	struct wl_list clients;
+	struct wl_list popup_grabs;
+	uint32_t ping_timeout;
+
+	struct wl_listener display_destroy;
+
+	struct {
+		struct wl_signal new_surface;
+	} events;
+
+	void *data;
+};
+
+struct wlr_xdg_client {
+	struct wlr_xdg_shell *shell;
+	struct wl_resource *resource;
+	struct wl_client *client;
+	struct wl_list surfaces;
+
+	struct wl_list link; // wlr_xdg_shell::clients
+
+	uint32_t ping_serial;
+	struct wl_event_source *ping_timer;
+};
+
+struct wlr_xdg_popup {
+	struct wlr_xdg_surface *base;
+	struct wl_list link;
+
+	struct wl_resource *resource;
+	bool committed;
+	struct wlr_xdg_surface *parent;
+	struct wlr_seat *seat;
+	struct wlr_box geometry;
+
+	struct wl_list grab_link; // wlr_xdg_popup_grab::popups
+};
+
+// each seat gets a popup grab
+struct wlr_xdg_popup_grab {
+	struct wl_client *client;
+	struct wlr_seat_pointer_grab pointer_grab;
+	struct wlr_seat_keyboard_grab keyboard_grab;
+	struct wlr_seat *seat;
+	struct wl_list popups;
+	struct wl_list link; // wlr_xdg_shell::popup_grabs
+};
+
+enum wlr_xdg_surface_role {
+	WLR_XDG_SURFACE_ROLE_NONE,
+	WLR_XDG_SURFACE_ROLE_TOPLEVEL,
+	WLR_XDG_SURFACE_ROLE_POPUP,
+};
+
+struct wlr_xdg_toplevel_state {
+	bool maximized;
+	bool fullscreen;
+	bool resizing;
+	bool activated;
+
+	uint32_t width;
+	uint32_t height;
+
+	uint32_t max_width;
+	uint32_t max_height;
+
+	uint32_t min_width;
+	uint32_t min_height;
+};
+
+struct wlr_xdg_toplevel {
+	struct wl_resource *resource;
+	struct wlr_xdg_surface *base;
+	struct wlr_xdg_surface *parent;
+	bool added;
+	struct wlr_xdg_toplevel_state next; // client protocol requests
+	struct wlr_xdg_toplevel_state pending; // user configure requests
+	struct wlr_xdg_toplevel_state current;
+};
+
+struct wlr_xdg_surface_configure {
+	struct wl_list link; // wlr_xdg_surface::configure_list
+	uint32_t serial;
+	struct wlr_xdg_toplevel_state state;
+};
+
+struct wlr_xdg_surface {
+	struct wlr_xdg_client *client;
+	struct wl_resource *resource;
+	struct wlr_surface *surface;
+	struct wl_list link; // wlr_xdg_client::surfaces
+	enum wlr_xdg_surface_role role;
+
+	union {
+		struct wlr_xdg_toplevel *toplevel_state;
+		struct wlr_xdg_popup *popup_state;
+	};
+
+	struct wl_list popups; // wlr_xdg_popup::link
+
+	bool configured;
+	bool added;
+	uint32_t configure_serial;
+	struct wl_event_source *configure_idle;
+	uint32_t configure_next_serial;
+	struct wl_list configure_list;
+
+	char *title;
+	char *app_id;
+
+	bool has_next_geometry;
+	struct wlr_box *next_geometry;
+	struct wlr_box *geometry;
+
+	struct wl_listener surface_destroy_listener;
+
+	struct {
+		struct wl_signal destroy;
+		struct wl_signal ping_timeout;
+		struct wl_signal new_popup;
+
+		struct wl_signal request_maximize;
+		struct wl_signal request_fullscreen;
+		struct wl_signal request_minimize;
+		struct wl_signal request_move;
+		struct wl_signal request_resize;
+		struct wl_signal request_show_window_menu;
+	} events;
+
+	void *data;
+};
+
+struct wlr_xdg_toplevel_move_event {
+	struct wlr_xdg_surface *surface;
+	struct wlr_seat_client *seat;
+	uint32_t serial;
+};
+
+struct wlr_xdg_toplevel_resize_event {
+	struct wlr_xdg_surface *surface;
+	struct wlr_seat_client *seat;
+	uint32_t serial;
+	uint32_t edges;
+};
+
+struct wlr_xdg_toplevel_set_fullscreen_event {
+	struct wlr_xdg_surface *surface;
+	bool fullscreen;
+	struct wlr_output *output;
+};
+
+struct wlr_xdg_toplevel_show_window_menu_event {
+	struct wlr_xdg_surface *surface;
+	struct wlr_seat_client *seat;
+	uint32_t serial;
+	uint32_t x, y;
+};
+
+struct wlr_xdg_shell *wlr_xdg_shell_create(struct wl_display *display);
+void wlr_xdg_shell_destroy(struct wlr_xdg_shell *xdg_shell);
+
+/**
+ * Send a ping to the surface. If the surface does not respond in a reasonable
+ * amount of time, the ping_timeout event will be emitted.
+ */
+void wlr_xdg_surface_ping(struct wlr_xdg_surface *surface);
+
+/**
+ * Request that this toplevel surface be the given size. Returns the associated
+ * configure serial.
+ */
+uint32_t wlr_xdg_toplevel_set_size(struct wlr_xdg_surface *surface,
+		uint32_t width, uint32_t height);
+
+/**
+ * Request that this toplevel surface show itself in an activated or deactivated
+ * state. Returns the associated configure serial.
+ */
+uint32_t wlr_xdg_toplevel_set_activated(struct wlr_xdg_surface *surface,
+		bool activated);
+
+/**
+ * Request that this toplevel surface consider itself maximized or not
+ * maximized. Returns the associated configure serial.
+ */
+uint32_t wlr_xdg_toplevel_set_maximized(struct wlr_xdg_surface *surface,
+		bool maximized);
+
+/**
+ * Request that this toplevel surface consider itself fullscreen or not
+ * fullscreen. Returns the associated configure serial.
+ */
+uint32_t wlr_xdg_toplevel_set_fullscreen(struct wlr_xdg_surface *surface,
+		bool fullscreen);
+
+/**
+ * Request that this toplevel surface consider itself to be resizing or not
+ * resizing. Returns the associated configure serial.
+ */
+uint32_t wlr_xdg_toplevel_set_resizing(struct wlr_xdg_surface *surface,
+		bool resizing);
+
+/**
+ * Request that this toplevel surface closes.
+ */
+void wlr_xdg_toplevel_send_close(struct wlr_xdg_surface *surface);
+
+/**
+ * Compute the popup position in surface-local coordinates.
+ */
+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.
+ */
+struct wlr_xdg_surface *wlr_xdg_surface_popup_at(
+		struct wlr_xdg_surface *surface, double sx, double sy,
+		double *popup_sx, double *popup_sy);
+
+#endif