1 files changed, 186 insertions, 0 deletions
diff --git a/include/sway/tree/view.h b/include/sway/tree/view.h
new file mode 100644
index 00000000..b51c54b5
--- /dev/null
+++ b/include/sway/tree/view.h
@@ -0,0 +1,186 @@
+#ifndef _SWAY_VIEW_H
+#define _SWAY_VIEW_H
+#include <wayland-server.h>
+#include <wlr/types/wlr_surface.h>
+#include <wlr/types/wlr_xdg_shell_v6.h>
+#include <wlr/xwayland.h>
+#include "sway/input/input-manager.h"
+#include "sway/input/seat.h"
+
+struct sway_container;
+
+enum sway_view_type {
+	SWAY_VIEW_WL_SHELL,
+	SWAY_VIEW_XDG_SHELL_V6,
+	SWAY_VIEW_XWAYLAND,
+};
+
+enum sway_view_prop {
+	VIEW_PROP_TITLE,
+	VIEW_PROP_APP_ID,
+	VIEW_PROP_CLASS,
+	VIEW_PROP_INSTANCE,
+};
+
+struct sway_view_impl {
+	const char *(*get_prop)(struct sway_view *view,
+			enum sway_view_prop prop);
+	void (*configure)(struct sway_view *view, double ox, double oy, int width,
+		int height);
+	void (*set_activated)(struct sway_view *view, bool activated);
+	void (*for_each_surface)(struct sway_view *view,
+		wlr_surface_iterator_func_t iterator, void *user_data);
+	void (*close)(struct sway_view *view);
+	void (*destroy)(struct sway_view *view);
+};
+
+struct sway_view {
+	enum sway_view_type type;
+	const struct sway_view_impl *impl;
+
+	struct sway_container *swayc; // NULL for unmanaged views
+	struct wlr_surface *surface; // NULL for unmapped views
+	int width, height;
+
+	union {
+		struct wlr_xdg_surface_v6 *wlr_xdg_surface_v6;
+		struct wlr_xwayland_surface *wlr_xwayland_surface;
+		struct wlr_wl_shell_surface *wlr_wl_shell_surface;
+	};
+
+	struct {
+		struct wl_signal unmap;
+	} events;
+
+	struct wl_listener surface_new_subsurface;
+	struct wl_listener container_reparent;
+};
+
+struct sway_xdg_shell_v6_view {
+	struct sway_view view;
+
+	struct wl_listener commit;
+	struct wl_listener request_move;
+	struct wl_listener request_resize;
+	struct wl_listener request_maximize;
+	struct wl_listener new_popup;
+	struct wl_listener map;
+	struct wl_listener unmap;
+	struct wl_listener destroy;
+
+	int pending_width, pending_height;
+};
+
+struct sway_xwayland_view {
+	struct sway_view view;
+
+	struct wl_listener commit;
+	struct wl_listener request_move;
+	struct wl_listener request_resize;
+	struct wl_listener request_maximize;
+	struct wl_listener request_configure;
+	struct wl_listener map;
+	struct wl_listener unmap;
+	struct wl_listener destroy;
+
+	int pending_width, pending_height;
+};
+
+struct sway_xwayland_unmanaged {
+	struct wlr_xwayland_surface *wlr_xwayland_surface;
+	struct wl_list link;
+
+	int lx, ly;
+
+	struct wl_listener request_configure;
+	struct wl_listener commit;
+	struct wl_listener map;
+	struct wl_listener unmap;
+	struct wl_listener destroy;
+};
+
+struct sway_wl_shell_view {
+	struct sway_view view;
+
+	struct wl_listener commit;
+	struct wl_listener request_move;
+	struct wl_listener request_resize;
+	struct wl_listener request_maximize;
+	struct wl_listener destroy;
+
+	int pending_width, pending_height;
+};
+
+struct sway_view_child;
+
+struct sway_view_child_impl {
+	void (*destroy)(struct sway_view_child *child);
+};
+
+/**
+ * A view child is a surface in the view tree, such as a subsurface or a popup.
+ */
+struct sway_view_child {
+	const struct sway_view_child_impl *impl;
+
+	struct sway_view *view;
+	struct wlr_surface *surface;
+
+	struct wl_listener surface_commit;
+	struct wl_listener surface_new_subsurface;
+	struct wl_listener surface_destroy;
+	struct wl_listener view_unmap;
+};
+
+struct sway_xdg_popup_v6 {
+	struct sway_view_child child;
+
+	struct wlr_xdg_surface_v6 *wlr_xdg_surface_v6;
+
+	struct wl_listener new_popup;
+	struct wl_listener unmap;
+	struct wl_listener destroy;
+};
+
+const char *view_get_title(struct sway_view *view);
+
+const char *view_get_app_id(struct sway_view *view);
+
+const char *view_get_class(struct sway_view *view);
+
+const char *view_get_instance(struct sway_view *view);
+
+void view_configure(struct sway_view *view, double ox, double oy, int width,
+	int height);
+
+void view_set_activated(struct sway_view *view, bool activated);
+
+void view_close(struct sway_view *view);
+
+void view_damage(struct sway_view *view, bool whole);
+
+void view_for_each_surface(struct sway_view *view,
+	wlr_surface_iterator_func_t iterator, void *user_data);
+
+// view implementation
+
+void view_init(struct sway_view *view, enum sway_view_type type,
+	const struct sway_view_impl *impl);
+
+void view_destroy(struct sway_view *view);
+
+void view_map(struct sway_view *view, struct wlr_surface *wlr_surface);
+
+void view_unmap(struct sway_view *view);
+
+void view_update_position(struct sway_view *view, double ox, double oy);
+
+void view_update_size(struct sway_view *view, int width, int height);
+
+void view_child_init(struct sway_view_child *child,
+	const struct sway_view_child_impl *impl, struct sway_view *view,
+	struct wlr_surface *surface);
+
+void view_child_destroy(struct sway_view_child *child);
+
+#endif