xwm: user custom event handler

2 files changed, 82 insertions, 0 deletions

diff --git a/include/wlr/xwayland.h b/include/wlr/xwayland.h
index 792d2b88..9a89661b 100644
--- a/include/wlr/xwayland.h
+++ b/include/wlr/xwayland.h
@@ -32,6 +32,13 @@ struct wlr_xwayland {
 		struct wl_signal new_surface;
 	} events;
 
+	/**
+	 * Add a custom event handler to xwayland. Return 1 if the event was
+	 * handled or 0 to use the default wlr-xwayland handler. wlr-xwayland will
+	 * free the event.
+	 */
+	int (*user_event_handler)(struct wlr_xwm *xwm, xcb_generic_event_t *event);
+
 	void *data;
 };
 
diff --git a/include/wlr/xwm.h b/include/wlr/xwm.h
new file mode 100644
index 00000000..c350b6e2
--- /dev/null
+++ b/include/wlr/xwm.h
@@ -0,0 +1,75 @@
+#ifndef XWAYLAND_INTERNALS_H
+#define XWAYLAND_INTERNALS_H
+
+#include <xcb/render.h>
+#include <wayland-server-core.h>
+#include <wlr/xwayland.h>
+
+enum atom_name {
+	WL_SURFACE_ID,
+	WM_DELETE_WINDOW,
+	WM_PROTOCOLS,
+	WM_HINTS,
+	WM_NORMAL_HINTS,
+	WM_SIZE_HINTS,
+	MOTIF_WM_HINTS,
+	UTF8_STRING,
+	WM_S0,
+	NET_SUPPORTED,
+	NET_WM_S0,
+	NET_WM_PID,
+	NET_WM_NAME,
+	NET_WM_STATE,
+	NET_WM_WINDOW_TYPE,
+	WM_TAKE_FOCUS,
+	WINDOW,
+	_NET_ACTIVE_WINDOW,
+	_NET_WM_MOVERESIZE,
+	_NET_WM_NAME,
+	_NET_SUPPORTING_WM_CHECK,
+	_NET_WM_STATE_FULLSCREEN,
+	_NET_WM_STATE_MAXIMIZED_VERT,
+	_NET_WM_STATE_MAXIMIZED_HORZ,
+	WM_STATE,
+	ATOM_LAST,
+};
+
+extern const char *atom_map[ATOM_LAST];
+
+enum net_wm_state_action {
+	NET_WM_STATE_REMOVE = 0,
+	NET_WM_STATE_ADD = 1,
+	NET_WM_STATE_TOGGLE = 2,
+};
+
+struct wlr_xwm {
+	struct wlr_xwayland *xwayland;
+	struct wl_event_source *event_source;
+
+	xcb_atom_t atoms[ATOM_LAST];
+	xcb_connection_t *xcb_conn;
+	xcb_screen_t *screen;
+	xcb_window_t window;
+	xcb_visualid_t visual_id;
+	xcb_colormap_t colormap;
+	xcb_render_pictformat_t render_format_id;
+	xcb_cursor_t cursor;
+
+	struct wlr_xwayland_surface *focus_surface;
+
+	struct wl_list surfaces; // wlr_xwayland_surface::link
+	struct wl_list unpaired_surfaces; // wlr_xwayland_surface::unpaired_link
+
+	const xcb_query_extension_reply_t *xfixes;
+
+	struct wl_listener compositor_surface_create;
+};
+
+struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland);
+
+void xwm_destroy(struct wlr_xwm *xwm);
+
+void xwm_set_cursor(struct wlr_xwm *xwm, const uint8_t *pixels, uint32_t stride,
+	uint32_t width, uint32_t height, int32_t hotspot_x, int32_t hotspot_y);
+
+#endif