mirror of https://github.com/polybar/polybar.git
138 lines
2.9 KiB
C++
138 lines
2.9 KiB
C++
#pragma once
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#include <xcb/xcb.h>
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#include "cairo/context.hpp"
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#include "cairo/surface.hpp"
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#include "common.hpp"
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#include "utils/concurrency.hpp"
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#include "x11/background_manager.hpp"
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#include "x11/xembed.hpp"
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/*
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* Manages the lifecycle of a tray client according to the XEMBED protocol
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*
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* Ref: https://specifications.freedesktop.org/xembed-spec/xembed-spec-latest.html
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*/
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POLYBAR_NS
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// fwd declarations
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class connection;
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namespace tray {
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class client : public non_copyable_mixin, public non_movable_mixin {
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public:
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explicit client(
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const logger& log, connection& conn, xcb_window_t parent, xcb_window_t win, size s, rgba desired_background);
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~client();
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string name() const;
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unsigned int width() const;
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unsigned int height() const;
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void clear_window() const;
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void update_client_attributes() const;
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void reparent() const;
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bool match(const xcb_window_t& win) const;
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bool mapped() const;
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void mapped(bool state);
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void hidden(bool state);
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bool should_be_mapped() const;
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xcb_window_t embedder() const;
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xcb_window_t client_window() const;
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void query_xembed();
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bool is_xembed_supported() const;
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const xembed::info& get_xembed() const;
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void notify_xembed() const;
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void add_to_save_set() const;
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void ensure_state() const;
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void set_position(int x, int y);
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void configure_notify() const;
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void update_bg() const;
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protected:
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void observe_background();
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const logger& m_log;
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connection& m_connection;
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/**
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* Name of the client window for debugging.
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*/
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string m_name{};
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/**
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* Embedder window.
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*
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* The docking client window is reparented to this window.
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* This window is itself a child of the main tray window.
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*
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* This class owns this window and is responsible for creating/destroying it.
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*/
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xcb_window_t m_wrapper{XCB_NONE};
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/**
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* Client window.
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*
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* The window itself is owned by the application providing it.
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* This class is responsible for correctly mapping and reparenting it in accordance with the XEMBED protocol.
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*/
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xcb_window_t m_client{XCB_NONE};
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/**
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* Whether the client window supports XEMBED.
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*
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* A tray client can still work when it doesn't support XEMBED.
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*/
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bool m_xembed_supported{false};
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/**
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* _XEMBED_INFO of the client window
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*
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* Only valid if m_xembed_supported == true
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*/
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xembed::info m_xembed{};
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/**
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* Background pixmap of wrapper window
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*/
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xcb_pixmap_t m_pixmap{XCB_NONE};
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/**
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* Whether the wrapper window is currently mapped.
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*/
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bool m_mapped{false};
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/**
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* Whether the
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*/
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bool m_hidden{false};
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size m_size;
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position m_pos{0, 0};
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const rgba m_desired_background;
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const bool m_transparent{m_desired_background.is_transparent()};
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background_manager& m_background_manager;
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shared_ptr<bg_slice> m_bg_slice{nullptr};
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unique_ptr<cairo::context> m_context;
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unique_ptr<cairo::xcb_surface> m_surface;
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};
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} // namespace tray
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POLYBAR_NS_END
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