initial commit 🤞️

inc/thing.h

@@ -0,0 +1,49 @@
+#ifndef THING_H
+#define THING_H
+/*
+#include <libpng.h>
+#include <pango.h>
+#include <cairo/cairo.h>
+#include <cairo/cairo-xcb.h>
+#include <xcb/xcb.h>
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+*/
+#include <stdint.h>
+
+typedef struct thing thing_t;
+typedef uint64_t thing_id_t;
+
+thing_id_t thing_id(const thing_t *);
+
+typedef struct {
+	int x;
+	int y;
+	int w;
+	int h;
+} thing_geom;
+
+struct put_event;
+
+struct link {
+	thing_id_t	from;
+	thing_id_t	to;
+	uint32_t	type;
+};
+
+typedef struct {
+	void (*draw)(thing_t *self, void *render_ctx);
+	int (*hit)(thing_t *self, int x, int y);
+	void (*event)(thing_t *self, const struct put_event *ev);
+} thing_ops;
+
+thing_t *thing_create(const thing_ops *ops, void *userdata, thing_geom geom);
+
+void thing_set_geom(thing_t *t, thing_geom g);
+thing_geom thing_get_geom(const thing_t *t);
+
+void *thing_userdata(const thing_t *t);
+
+void thing_destroy(thing_t *t);
+
+#endif /* THING_H */