polybar/include/x11/tray_manager.hpp

174 lines
4.9 KiB
C++

#pragma once
#include <chrono>
#include <memory>
#include "cairo/context.hpp"
#include "cairo/surface.hpp"
#include "common.hpp"
#include "components/logger.hpp"
#include "components/types.hpp"
#include "events/signal_fwd.hpp"
#include "events/signal_receiver.hpp"
#include "utils/concurrency.hpp"
#include "x11/atoms.hpp"
#include "x11/connection.hpp"
#include "x11/tray_client.hpp"
#define _NET_SYSTEM_TRAY_ORIENTATION_HORZ 0
#define _NET_SYSTEM_TRAY_ORIENTATION_VERT 1
#define SYSTEM_TRAY_REQUEST_DOCK 0
#define SYSTEM_TRAY_BEGIN_MESSAGE 1
#define SYSTEM_TRAY_CANCEL_MESSAGE 2
#define TRAY_WM_NAME "Polybar tray window"
#define TRAY_WM_CLASS "tray\0Polybar"
#define TRAY_PLACEHOLDER "<placeholder-systray>"
POLYBAR_NS
namespace chrono = std::chrono;
using namespace std::chrono_literals;
// fwd declarations
class connection;
struct xembed_data;
class background_manager;
class bg_slice;
struct tray_settings {
tray_settings() = default;
tray_settings& operator=(const tray_settings& o) = default;
alignment align{alignment::NONE};
bool running{false};
int rel_x{0};
int rel_y{0};
int orig_x{0};
int orig_y{0};
int configured_x{0};
int configured_y{0};
unsigned int configured_w{0U};
unsigned int configured_h{0U};
unsigned int configured_slots{0U};
unsigned int width{0U};
unsigned int width_max{0U};
unsigned int height{0U};
unsigned int height_fill{0U};
unsigned int spacing{0U};
unsigned int sibling{0U};
unsigned int background{0U};
bool transparent{false};
bool detached{false};
};
class tray_manager
: public xpp::event::sink<evt::expose, evt::visibility_notify, evt::client_message, evt::configure_request,
evt::resize_request, evt::selection_clear, evt::property_notify, evt::reparent_notify, evt::destroy_notify,
evt::map_notify, evt::unmap_notify>,
public signal_receiver<SIGN_PRIORITY_TRAY, signals::ui::visibility_change, signals::ui::dim_window, signals::ui::update_background> {
public:
using make_type = unique_ptr<tray_manager>;
static make_type make();
explicit tray_manager(connection& conn, signal_emitter& emitter, const logger& logger, background_manager& back);
~tray_manager();
const tray_settings settings() const;
void setup(const bar_settings& bar_opts);
void activate();
void activate_delayed(chrono::duration<double, std::milli> delay = 1s);
void deactivate(bool clear_selection = true);
void reconfigure();
protected:
void reconfigure_window();
void reconfigure_clients();
void reconfigure_bg(bool realloc = false);
void refresh_window();
void redraw_window(bool realloc_bg = false);
void query_atom();
void create_window();
void create_bg(bool realloc = false);
void restack_window();
void set_wm_hints();
void set_tray_colors();
void acquire_selection();
void notify_clients();
void notify_clients_delayed();
void track_selection_owner(xcb_window_t owner);
void process_docking_request(xcb_window_t win);
int calculate_x(unsigned width, bool abspos = true) const;
int calculate_y(bool abspos = true) const;
unsigned short int calculate_w() const;
unsigned short int calculate_h() const;
int calculate_client_x(const xcb_window_t& win);
int calculate_client_y();
bool is_embedded(const xcb_window_t& win) const;
shared_ptr<tray_client> find_client(const xcb_window_t& win) const;
void remove_client(shared_ptr<tray_client>& client, bool reconfigure = true);
void remove_client(xcb_window_t win, bool reconfigure = true);
unsigned int mapped_clients() const;
void handle(const evt::expose& evt);
void handle(const evt::visibility_notify& evt);
void handle(const evt::client_message& evt);
void handle(const evt::configure_request& evt);
void handle(const evt::resize_request& evt);
void handle(const evt::selection_clear& evt);
void handle(const evt::property_notify& evt);
void handle(const evt::reparent_notify& evt);
void handle(const evt::destroy_notify& evt);
void handle(const evt::map_notify& evt);
void handle(const evt::unmap_notify& evt);
bool on(const signals::ui::visibility_change& evt);
bool on(const signals::ui::dim_window& evt);
bool on(const signals::ui::update_background& evt);
private:
connection& m_connection;
signal_emitter& m_sig;
const logger& m_log;
background_manager& m_background_manager;
std::shared_ptr<bg_slice> m_bg_slice;
vector<shared_ptr<tray_client>> m_clients;
tray_settings m_opts{};
xcb_gcontext_t m_gc{0};
xcb_pixmap_t m_pixmap{0};
unique_ptr<cairo::surface> m_surface;
unique_ptr<cairo::context> m_context;
unsigned int m_prevwidth{0U};
unsigned int m_prevheight{0U};
xcb_atom_t m_atom{0};
xcb_window_t m_tray{0};
xcb_window_t m_othermanager{0};
atomic<bool> m_activated{false};
atomic<bool> m_mapped{false};
atomic<bool> m_hidden{false};
atomic<bool> m_acquired_selection{false};
thread m_delaythread;
mutex m_mtx{};
bool m_firstactivation{true};
};
POLYBAR_NS_END