49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
#pragma once
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#include <memory>
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#include <xcb/xcb.h>
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void check_error(xcb_generic_error_t * error)
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{
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if (error) {
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Logger * LOGGER = Logger::getInstance("XCB");
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Error(LOGGER,
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"XCB request failed, event_error: response_type:%u error_code:%u "
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"sequence:%u resource_id:%u minor_code:%u major_code:%u.\n",
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error->response_type, error->error_code, error->sequence,
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error->resource_id, error->minor_code, error->major_code);
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free(error);
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}
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}
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// Requests with void response type
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template<class Request, class ...Args>
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typename std::enable_if<std::is_same<typename Request::ResponseType, xcb_void_cookie_t>::value, void>::type
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static query(xcb_connection_t * connection, Args&& ...args)
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{
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auto cookie = Request::RequestFunction(connection, std::forward<Args>(args)...);
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xcb_generic_error_t * error = Request::ReplyFunction(connection, cookie);
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check_error(error);
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}
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// Requests with non-void response type
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template<class Request, class ...Args>
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typename std::enable_if<!std::is_same<typename Request::ResponseType, xcb_void_cookie_t>::value, std::unique_ptr<typename Request::ResponseType, decltype(&free)>>::type
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static query(xcb_connection_t * connection, Args&& ...args)
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{
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auto cookie = Request::RequestFunction(connection, std::forward<Args>(args)...);
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xcb_generic_error_t * error = nullptr;
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std::unique_ptr<typename Request::ResponseType, decltype(&free)> xcbResponse(
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Request::ReplyFunction(connection, cookie, &error), free);
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check_error(error);
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return xcbResponse;
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}
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