polybar/include/x11/xembed.hpp

#pragma once

#include "common.hpp"
#include "x11/connection.hpp"

POLYBAR_NS

#define XEMBED_VERSION 0
#define XEMBED_MAPPED (1 << 0)

#define XEMBED_EMBEDDED_NOTIFY 0
#define XEMBED_WINDOW_ACTIVATE 1
#define XEMBED_WINDOW_DEACTIVATE 2
#define XEMBED_REQUEST_FOCUS 3
#define XEMBED_FOCUS_IN 3
#define XEMBED_FOCUS_OUT 4
#define XEMBED_FOCUS_NEXT 5
#define XEMBED_FOCUS_PREV 6

#define XEMBED_FOCUS_CURRENT 0
#define XEMBED_FOCUS_FIRST 1
#define XEMBED_FOCUS_LAST 1

/**
 * Max XEMBED version supported.
 */
#define XEMBED_MAX_VERSION UINT32_C(0)

/**
 * Implementation of parts of the XEMBED spec (as much as needed to get the tray working).
 *
 * Ref: https://specifications.freedesktop.org/xembed-spec/xembed-spec-latest.html
 */
namespace xembed {

  class info {
    public:
      void set(uint32_t* data);

      uint32_t get_version() const;
      uint32_t get_flags() const;

      bool is_mapped() const;

    protected:
      uint32_t version;
      uint32_t flags;
  };

  bool query(connection& conn, xcb_window_t win, info& data);
  void send_message(connection& conn, xcb_window_t target, long message, long d1, long d2, long d3);
  void send_focus_event(connection& conn, xcb_window_t target);
  void notify_embedded(connection& conn, xcb_window_t win, xcb_window_t embedder, uint32_t version);
  void notify_activated(connection& conn, xcb_window_t win);
  void notify_deactivated(connection& conn, xcb_window_t win);
  void notify_focused(connection& conn, xcb_window_t win, long focus_type);
  void notify_unfocused(connection& conn, xcb_window_t win);
  void unembed(connection& conn, xcb_window_t win, xcb_window_t root);
}  // namespace xembed

POLYBAR_NS_END