polybar-dwm/include/x11/tray_client.hpp
2022-09-11 21:51:08 +02:00

102 lines
2.1 KiB
C++

#pragma once
#include <xcb/xcb.h>
#include "common.hpp"
#include "utils/concurrency.hpp"
#include "x11/xembed.hpp"
/*
* Manages the lifecycle of a tray client according to the XEMBED protocol
*
* Ref: https://specifications.freedesktop.org/xembed-spec/xembed-spec-latest.html
*/
POLYBAR_NS
// fwd declarations
class connection;
class tray_client : public non_copyable_mixin {
public:
explicit tray_client(const logger& log, connection& conn, xcb_window_t tray, xcb_window_t win, size s);
~tray_client();
tray_client(tray_client&&);
tray_client& operator=(tray_client&&);
unsigned int width() const;
unsigned int height() const;
void clear_window() const;
void update_client_attributes() const;
void reparent() const;
bool match(const xcb_window_t& win) const;
bool mapped() const;
void mapped(bool state);
void hidden(bool state);
xcb_window_t embedder() const;
xcb_window_t client() const;
void query_xembed();
bool is_xembed_supported() const;
const xembed::info& get_xembed() const;
void notify_xembed() const;
void add_to_save_set() const;
void ensure_state() const;
void reconfigure(int x, int y) const;
void configure_notify() const;
protected:
const logger& m_log;
connection& m_connection;
/**
* Embedder window.
*
* The docking client window is reparented to this window.
* This window is itself a child of the main tray window.
*
* This class owns this window and is responsible for creating/destroying it.
*/
xcb_window_t m_wrapper{XCB_NONE};
/**
* Client window.
*
* The window itself is owned by the application providing it.
* This class is responsible for correctly mapping and reparenting it in accordance with the XEMBED protocol.
*/
xcb_window_t m_client{XCB_NONE};
/**
* 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
*
* Only valid if m_xembed_supported == true
*/
xembed::info m_xembed;
// TODO
bool m_mapped{false};
bool m_hidden{false};
size m_size;
};
POLYBAR_NS_END