polybar/include/x11/tray_client.hpp

#pragma once

#include <xcb/xcb.h>

#include "common.hpp"
#include "utils/concurrency.hpp"
#include "x11/xembed.hpp"

POLYBAR_NS

// fwd declarations
class connection;

class tray_client {
 public:
  explicit tray_client(connection& conn, xcb_window_t win, unsigned int w, unsigned int h);
  tray_client(const tray_client& c) = delete;
  tray_client& operator=(tray_client& c) = delete;

  ~tray_client();

  unsigned int width() const;
  unsigned int height() const;
  void clear_window() const;

  bool match(const xcb_window_t& win) const;
  bool mapped() const;
  void mapped(bool state);

  xcb_window_t window() const;

  void query_xembed();
  bool is_xembed_supported() const;
  const xembed::info& get_xembed() const;

  void ensure_state() const;
  void reconfigure(int x, int y) const;
  void configure_notify(int x, int y) const;

 protected:
  connection& m_connection;
  xcb_window_t m_window{0};

  /**
   * Whether the client window supports XEMBED.
   *
   * A tray client can still work when it doesn't support XEMBED.
   */
  bool m_xembed_supported{false};

  /**
   * _XEMBED_INFO of the client window
   */
  xembed::info m_xembed;

  bool m_mapped{false};

  unsigned int m_width;
  unsigned int m_height;
};

POLYBAR_NS_END