608519363d
New module that uses the X keyboard extension to show keyboard layout and indicators. Ref #84, #200
101 lines
2.5 KiB
C++
101 lines
2.5 KiB
C++
#pragma once
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#include <X11/X.h>
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#include <X11/Xlib-xcb.h>
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#include <xcb/xcb.h>
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#include <boost/optional.hpp>
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#include <iomanip>
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#include <xpp/xpp.hpp>
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#include "common.hpp"
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#include "x11/extensions.hpp"
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#include "x11/registry.hpp"
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#include "x11/types.hpp"
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POLYBAR_NS
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using xpp_connection = xpp::connection<XPP_EXTENSION_LIST>;
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class connection : public xpp_connection {
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public:
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explicit connection() {}
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explicit connection(xcb_connection_t* conn) : xpp_connection(conn) {}
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connection& operator=(const connection&) {
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return *this;
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}
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virtual ~connection() {}
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template <typename Event, uint32_t ResponseType>
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void wait_for_response(function<bool(const Event&)> check_event) {
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auto fd = get_file_descriptor();
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fd_set fds;
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FD_ZERO(&fds);
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FD_SET(fd, &fds);
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while (true) {
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if (select(fd + 1, &fds, nullptr, nullptr, nullptr) > 0) {
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shared_ptr<xcb_generic_event_t> evt;
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if ((evt = poll_for_event()) && evt->response_type == ResponseType) {
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if (check_event(reinterpret_cast<const xcb_map_notify_event_t&>(*(evt.get())))) {
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break;
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}
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}
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}
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if (connection_has_error()) {
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break;
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}
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}
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}
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void preload_atoms();
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void query_extensions();
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string id(xcb_window_t w) const;
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xcb_screen_t* screen();
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void ensure_event_mask(xcb_window_t win, uint32_t event);
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void clear_event_mask(xcb_window_t win);
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shared_ptr<xcb_client_message_event_t> make_client_message(xcb_atom_t type, xcb_window_t target) const;
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void send_client_message(const shared_ptr<xcb_client_message_event_t>& message, xcb_window_t target,
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uint32_t event_mask = 0xFFFFFF, bool propagate = false) const;
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void send_dummy_event(xcb_window_t target, uint32_t event = XCB_EVENT_MASK_STRUCTURE_NOTIFY) const;
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boost::optional<xcb_visualtype_t*> visual_type(xcb_screen_t* screen, int match_depth = 32);
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static string error_str(int error_code);
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void dispatch_event(const shared_ptr<xcb_generic_event_t>& evt) const;
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/**
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* Attach sink to the registry */
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template <typename Sink>
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void attach_sink(Sink&& sink, registry::priority prio = 0) {
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m_registry.attach(prio, forward<Sink>(sink));
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}
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/**
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* Detach sink from the registry
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*/
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template <typename Sink>
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void detach_sink(Sink&& sink, registry::priority prio = 0) {
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m_registry.detach(prio, forward<Sink>(sink));
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}
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protected:
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registry m_registry{*this};
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xcb_screen_t* m_screen = nullptr;
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};
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di::injector<connection&> configure_connection();
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POLYBAR_NS_END
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