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Utilities: Add "chres", a way to change the screen resolution from the command line

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Nico Weber 2021-01-15 14:12:34 -05:00 • committed by Andreas Kling
parent b3d04b3a3c
commit 476a3acfb2
2 changed files with 51 additions and 0 deletions
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1
Userland/Utilities/CMakeLists.txt
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@ -18,6 +18,7 @@ endforeach()
target_link_libraries(aplay LibAudio) target_link_libraries(aplay LibAudio)
target_link_libraries(avol LibAudio) target_link_libraries(avol LibAudio)
target_link_libraries(checksum LibCrypto) target_link_libraries(checksum LibCrypto)
target_link_libraries(chres LibGUI)
target_link_libraries(copy LibGUI) target_link_libraries(copy LibGUI)
target_link_libraries(disasm LibX86) target_link_libraries(disasm LibX86)
target_link_libraries(expr LibRegex) target_link_libraries(expr LibRegex)

50
Userland/Utilities/chres.cpp Normal file
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@ -0,0 +1,50 @@
/*
* Copyright (c) 2021, Nico Weber <thakis@chromium.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibCore/ArgsParser.h>
#include <LibGUI/Application.h>
#include <LibGUI/WindowServerConnection.h>
int main(int argc, char** argv)
{
int width = -1;
int height = -1;
Core::ArgsParser args_parser;
args_parser.set_general_help("Change the screen resolution.");
args_parser.add_positional_argument(width, "Width", "width");
args_parser.add_positional_argument(height, "Height", "height");
args_parser.parse(argc, argv);
// A Core::EventLoop is all we need, but WindowServerConnection needs a full Application object.
char* dummy_argv[] = { argv[0] };
auto app = GUI::Application::construct(1, dummy_argv);
auto result = GUI::WindowServerConnection::the().send_sync<Messages::WindowServer::SetResolution>(Gfx::IntSize { width, height });
if (!result->success()) {
warnln("failed to set resolution");
return 1;
}
}