135 lines
4.5 KiB
C++
135 lines
4.5 KiB
C++
#include <X11/Xlib-xcb.h>
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#include "common.hpp"
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#include "components/bar.hpp"
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#include "components/command_line.hpp"
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#include "components/config.hpp"
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#include "components/controller.hpp"
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#include "components/logger.hpp"
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#include "config.hpp"
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#include "utils/env.hpp"
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#include "utils/inotify.hpp"
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#include "x11/xutils.hpp"
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using namespace polybar;
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int main(int argc, char** argv) {
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XInitThreads();
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logger& logger{configure_logger<decltype(logger)>(loglevel::WARNING).create<decltype(logger)>()};
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//==================================================
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// Connect to X server
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//==================================================
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xcb_connection_t* connection;
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if ((connection = xutils::get_connection()) == nullptr) {
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logger.err("A connection to X could not be established... ");
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return EXIT_FAILURE;
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}
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int xfd = xcb_get_file_descriptor(connection);
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// clang-format off
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const command_line::options opts{
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command_line::option{"-h", "--help", "Show help options"},
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command_line::option{"-v", "--version", "Print version information"},
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command_line::option{"-l", "--log", "Set the logging verbosity (default: WARNING)", "LEVEL", {"warning", "info", "trace"}},
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command_line::option{"-q", "--quiet", "Be quiet (will override -l)"},
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command_line::option{"-c", "--config", "Path to the configuration file", "FILE"},
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command_line::option{"-r", "--reload", "Reload when the configuration has been modified"},
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command_line::option{"-d", "--dump", "Show value of PARAM in section [bar_name]", "PARAM"},
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command_line::option{"-w", "--print-wmname", "Print the generated WM_NAME"},
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command_line::option{"-s", "--stdout", "Output data to stdout instead of drawing the X window"},
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};
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// clang-format on
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stateflag terminate{false};
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while (!terminate) {
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try {
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//==================================================
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// Parse command line arguments
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//==================================================
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cliparser cli{configure_cliparser<decltype(cli)>(argv[0], opts).create<decltype(cli)>()};
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vector<string> args;
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for (int i = 1; i < argc; i++) {
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args.emplace_back(argv[i]);
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}
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cli.process_input(args);
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if (cli.has("quiet"))
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logger.verbosity(loglevel::ERROR);
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else if (cli.has("log"))
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logger.verbosity(cli.get("log"));
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if (cli.has("help")) {
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cli.usage();
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return EXIT_SUCCESS;
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} else if (cli.has("version")) {
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print_build_info(version_details(args));
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return EXIT_SUCCESS;
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} else if (args.empty() || args[0][0] == '-') {
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cli.usage();
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return EXIT_FAILURE;
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}
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//==================================================
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// Load user configuration
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//==================================================
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config& conf{configure_config<decltype(conf)>().create<decltype(conf)>()};
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if (cli.has("config"))
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conf.load(cli.get("config"), args[0]);
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else if (env_util::has("XDG_CONFIG_HOME"))
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conf.load(env_util::get("XDG_CONFIG_HOME") + "/polybar/config", args[0]);
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else if (env_util::has("HOME"))
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conf.load(env_util::get("HOME") + "/.config/polybar/config", args[0]);
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else
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throw application_error("Define configuration using --config=PATH");
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//==================================================
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// Dump requested data
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//==================================================
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if (cli.has("dump")) {
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std::cout << conf.get<string>(conf.bar_section(), cli.get("dump")) << std::endl;
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return EXIT_SUCCESS;
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}
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//==================================================
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// Create config watch if we should track changes
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//==================================================
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inotify_util::watch_t watch;
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if (cli.has("reload"))
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watch = inotify_util::make_watch(conf.filepath());
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//==================================================
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// Create controller and run application
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//==================================================
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auto app = configure_controller(watch).create<unique_ptr<controller>>();
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app->bootstrap(cli.has("stdout"), cli.has("print-wmname"));
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if (cli.has("print-wmname"))
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break;
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if ((terminate = app->run()) == false)
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logger.info("Reloading application...");
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} catch (const std::exception& err) {
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logger.err(err.what());
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return EXIT_FAILURE;
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}
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};
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logger.info("Reached end of application...");
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close(xfd);
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return EXIT_SUCCESS;
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}
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