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