初始化内容

third/infoware/examples/system.cpp

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+// infoware - C++ System information Library
+//
+// Written in 2016-2020 by nabijaczleweli <nabijaczleweli@gmail.com> and ThePhD <phdofthehouse@gmail.com>
+//
+// To the extent possible under law, the author(s) have dedicated all copyright and related
+// and neighboring rights to this software to the public domain worldwide. This software is
+// distributed without any warranty.
+//
+// You should have received a copy of the CC0 Public Domain Dedication along with this software.
+// If not, see <http://creativecommons.org/publicdomain/zero/1.0/>
+
+
+#include "infoware/system.hpp"
+#include "infoware/version.hpp"
+#include <iostream>
+
+
+static const char* kernel_variant_name(iware::system::kernel_t variant) noexcept;
+
+
+int main() {
+	std::cout << "Infoware version " << iware::version << '\n';
+
+	{
+		std::cout << "\n"
+		             "  Connected HIDs:\n"
+		          << "    Mice     : " << iware::system::mouse_amount() << '\n'
+		          << "    Keyboards: " << iware::system::keyboard_amount() << '\n'
+		          << "    Other    : " << iware::system::other_HID_amount() << '\n';
+	}
+
+	{
+		const auto memory = iware::system::memory();
+		std::cout << "\n"
+		             "  Memory:\n"
+		             "    Physical:\n"
+		          << "      Available: " << memory.physical_available << "B\n"
+		          << "      Total    : " << memory.physical_total << "B\n"
+		          << "    Virtual:\n"
+		          << "      Available: " << memory.virtual_available << "B\n"
+		          << "      Total    : " << memory.virtual_total << "B\n";
+	}
+
+	{
+		const auto kernel_info = iware::system::kernel_info();
+		std::cout << "\n"
+		             "  Kernel:\n"
+		          << "    Variant: " << kernel_variant_name(kernel_info.variant) << '\n'
+		          << "    Version: " << kernel_info.major << '.' << kernel_info.minor << '.' << kernel_info.patch << " build " << kernel_info.build_number << '\n';
+	}
+
+	{
+		const auto OS_info = iware::system::OS_info();
+		std::cout << "\n"
+		             "  OS:\n"
+		          << "    Name     : " << OS_info.name << '\n'
+		          << "    Full name: " << OS_info.full_name << '\n'
+		          << "    Version  : " << OS_info.major << '.' << OS_info.minor << '.' << OS_info.patch << " build " << OS_info.build_number << '\n';
+	}
+
+	{
+		const auto displays = iware::system::displays();
+		std::cout << "\n"
+		             "  Displays:\n";
+		if(displays.empty())
+			std::cout << "    None connected or no detection method enabled\n";
+		else
+			for(auto i = 0u; i < displays.size(); ++i) {
+				const auto& display = displays[i];
+				std::cout << "    #" << (i + 1) << ":\n"
+				          << "      Resolution  : " << display.width << 'x' << display.height << '\n'
+				          << "      DPI         : " << display.dpi << '\n'
+				          << "      Colour depth: " << display.bpp << "b\n"
+				          << "      Refresh rate: " << display.refresh_rate << "Hz\n";
+			}
+	}
+
+	{
+		const auto configs = iware::system::available_display_configurations();
+		std::cout << "\n"
+		             "  Display configurations:\n";
+		if(configs.empty())
+			std::cout << "    No displays connected, no detection method enabled, or not supported\n";
+		else
+			for(auto i = 0u; i < configs.size(); ++i) {
+				const auto& display_configs = configs[i];
+				std::cout << "    Display #" << (i + 1) << ":\n";
+
+				for(auto j = 0u; j < display_configs.size(); ++j) {
+					const auto& config = display_configs[j];
+					std::cout << "      #" << (j + 1) << ":\n"
+					          << "        Resolution   : " << config.width << 'x' << config.height << '\n'
+					          << "        Refresh rates: ";
+
+					bool first = true;
+					for(auto rate : config.refresh_rates) {
+						if(first)
+							first = false;
+						else
+							std::cout << ", ";
+
+						std::cout << rate << "Hz";
+					}
+
+					std::cout << '\n';
+				}
+			}
+	}
+
+	std::cout << '\n';
+}
+
+
+static const char* kernel_variant_name(iware::system::kernel_t variant) noexcept {
+	switch(variant) {
+		case iware::system::kernel_t::windows_nt:
+			return "Windows NT";
+		case iware::system::kernel_t::linux:
+			return "Linux";
+		case iware::system::kernel_t::darwin:
+			return "Darwin";
+		default:
+			return "Unknown";
+	}
+}