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WindowServer: Add API to set/get screen layouts

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This sets the stage so that DisplaySettings can configure the screen
layout and set various screen resolutions in one go. It also allows
for an easy "atomic" revert of the previous settings.
This commit is contained in:
Tom 2021-06-14 21:19:56 -06:00 • committed by Andreas Kling
parent 34394044b3
commit aa15bf81e4
23 changed files with 558 additions and 228 deletions
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13
Userland/Utilities/chres.cpp
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@ -26,9 +26,16 @@ int main(int argc, char** 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().set_resolution(screen, Gfx::IntSize { width, height }, scale);
if (!result.success()) {
warnln("failed to set resolution");
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 };
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;
}
}