mirror of https://github.com/polybar/polybar.git
111 lines
3.2 KiB
C++
111 lines
3.2 KiB
C++
#pragma once
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#include "common.hpp"
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#include "components/types.hpp"
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POLYBAR_NS
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namespace signals {
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namespace detail {
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class signal {
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public:
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explicit signal() = default;
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virtual ~signal() {}
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virtual size_t size() const = 0;
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};
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template <typename Derived>
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class base_signal : public signal {
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public:
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using base_type = base_signal<Derived>;
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explicit base_signal() = default;
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virtual ~base_signal() {}
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virtual size_t size() const override {
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return sizeof(Derived);
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};
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};
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template <typename Derived, typename ValueType>
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class value_signal : public base_signal<Derived> {
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public:
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using base_type = value_signal<Derived, ValueType>;
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explicit value_signal(void* data) : m_ptr(data) {}
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explicit value_signal(const ValueType&& data) : m_ptr(&data) {}
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explicit value_signal(const ValueType& data) : m_ptr(&data) {}
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virtual ~value_signal() {}
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inline const ValueType cast() const {
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return *static_cast<const ValueType*>(m_ptr);
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}
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private:
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const void* m_ptr;
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};
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} // namespace detail
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namespace eventqueue {
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struct exit_reload : public detail::base_signal<exit_reload> {
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using base_type::base_type;
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};
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struct notify_change : public detail::base_signal<notify_change> {
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using base_type::base_type;
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};
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struct notify_forcechange : public detail::base_signal<notify_forcechange> {
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using base_type::base_type;
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};
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struct check_state : public detail::base_signal<check_state> {
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using base_type::base_type;
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};
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} // namespace eventqueue
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namespace ipc {
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struct command : public detail::value_signal<command, string> {
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using base_type::base_type;
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};
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struct hook : public detail::value_signal<hook, string> {
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using base_type::base_type;
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};
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struct action : public detail::value_signal<action, string> {
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using base_type::base_type;
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};
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} // namespace ipc
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namespace ui {
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struct changed : public detail::base_signal<changed> {
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using base_type::base_type;
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};
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struct button_press : public detail::value_signal<button_press, string> {
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using base_type::base_type;
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};
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struct visibility_change : public detail::value_signal<visibility_change, bool> {
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using base_type::base_type;
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};
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struct dim_window : public detail::value_signal<dim_window, double> {
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using base_type::base_type;
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};
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struct request_snapshot : public detail::value_signal<request_snapshot, string> {
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using base_type::base_type;
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};
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/// emitted whenever the desktop background slice changes
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struct update_background : public detail::base_signal<update_background> {
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using base_type::base_type;
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};
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/// emitted when the bar geometry changes (such as position of the bar on the screen)
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struct update_geometry : public detail::base_signal<update_geometry> {
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using base_type::base_type;
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};
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} // namespace ui
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namespace ui_tray {
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struct mapped_clients : public detail::value_signal<mapped_clients, unsigned int> {
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using base_type::base_type;
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};
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} // namespace ui_tray
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} // namespace signals
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POLYBAR_NS_END
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