mirror of
https://github.com/RGBCube/serenity
synced 2025-10-27 14:02:07 +00:00
46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
/*
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* Copyright (c) 2021, Nico Weber <thakis@chromium.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCore/ArgsParser.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/ConnectionToWindowServer.h>
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#include <LibMain/Main.h>
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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int screen = 0;
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int width = -1;
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int height = -1;
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int scale = -1;
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Core::ArgsParser args_parser;
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args_parser.set_general_help("Change the screen resolution.");
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args_parser.add_option(screen, "Screen", "screen", 's', "screen");
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args_parser.add_positional_argument(width, "Width", "width");
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args_parser.add_positional_argument(height, "Height", "height");
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args_parser.add_positional_argument(scale, "Scale Factor", "scale", Core::ArgsParser::Required::No);
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args_parser.parse(arguments);
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// A Core::EventLoop is all we need, but ConnectionToWindowServer needs a full Application object.
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char* dummy_argv[] = { arguments.argv[0] };
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auto app = TRY(GUI::Application::try_create(1, dummy_argv));
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auto screen_layout = GUI::ConnectionToWindowServer::the().get_screen_layout();
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if (screen < 0 || (size_t)screen >= screen_layout.screens.size()) {
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warnln("invalid screen index: {}", screen);
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return 1;
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}
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auto& main_screen = screen_layout.screens[screen];
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main_screen.resolution = { width, height };
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if (scale != -1)
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main_screen.scale_factor = scale;
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auto set_result = GUI::ConnectionToWindowServer::the().set_screen_layout(screen_layout, true);
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if (!set_result.success()) {
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warnln("failed to set resolution: {}", set_result.error_msg());
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return 1;
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}
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return 0;
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}
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