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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "AppletManager.h"
#include "Compositor.h"
#include "EventLoop.h"
#include "Screen.h"
#include "WindowManager.h"
#include <Kernel/API/Graphics.h>
#include <LibCore/ConfigFile.h>
#include <LibCore/DirIterator.h>
#include <LibCore/System.h>
#include <LibFileSystem/FileSystem.h>
#include <LibGfx/Palette.h>
#include <LibGfx/SystemTheme.h>
#include <LibMain/Main.h>
#include <signal.h>
namespace WindowServer {
RefPtr<Core::ConfigFile> g_config;
}
ErrorOr<int> serenity_main(Main::Arguments)
{
TRY(Core::System::pledge("stdio video thread sendfd recvfd accept rpath wpath cpath unix proc sigaction exec tty"));
TRY(Core::System::unveil("/res", "r"));
TRY(Core::System::unveil("/tmp", "cw"));
TRY(Core::System::unveil("/etc/WindowServer.ini", "rwc"));
TRY(Core::System::unveil("/etc/Keyboard.ini", "r"));
TRY(Core::System::unveil("/dev/tty", "rw"));
TRY(Core::System::unveil("/dev/gpu/", "rw"));
TRY(Core::System::unveil("/dev/input/", "rw"));
TRY(Core::System::unveil("/bin/keymap", "x"));
TRY(Core::System::unveil("/sys/kernel/keymap", "r"));
TRY(Core::System::unveil("/sys/kernel/processes", "r"));
TRY(Core::System::unveil("/etc/passwd", "r"));
struct sigaction act = {};
act.sa_flags = SA_NOCLDWAIT;
act.sa_handler = SIG_IGN;
TRY(Core::System::sigaction(SIGCHLD, &act, nullptr));
TRY(Core::System::pledge("stdio video thread sendfd recvfd accept rpath wpath cpath unix proc exec tty"));
WindowServer::g_config = TRY(Core::ConfigFile::open("/etc/WindowServer.ini", Core::ConfigFile::AllowWriting::Yes));
auto theme_name = WindowServer::g_config->read_entry("Theme", "Name", "Default");
Optional<DeprecatedString> custom_color_scheme_path = OptionalNone();
if (WindowServer::g_config->read_bool_entry("Theme", "LoadCustomColorScheme", false))
custom_color_scheme_path = WindowServer::g_config->read_entry("Theme", "CustomColorSchemePath");
auto theme = TRY(Gfx::load_system_theme(DeprecatedString::formatted("/res/themes/{}.ini", theme_name), custom_color_scheme_path));
Gfx::set_system_theme(theme);
auto palette = Gfx::PaletteImpl::create_with_anonymous_buffer(theme);
auto default_font_query = WindowServer::g_config->read_entry("Fonts", "Default", "Katica 10 400 0");
auto fixed_width_font_query = WindowServer::g_config->read_entry("Fonts", "FixedWidth", "Csilla 10 400 0");
auto window_title_font_query = WindowServer::g_config->read_entry("Fonts", "WindowTitle", "Katica 10 700 0");
Gfx::FontDatabase::set_default_font_query(default_font_query);
Gfx::FontDatabase::set_fixed_width_font_query(fixed_width_font_query);
Gfx::FontDatabase::set_window_title_font_query(window_title_font_query);
{
// FIXME: Map switched tty from screens.
// FIXME: Gracefully cleanup the TTY graphics mode.
int tty_fd = TRY(Core::System::open("/dev/tty"sv, O_RDWR));
TRY(Core::System::ioctl(tty_fd, KDSETMODE, KD_GRAPHICS));
TRY(Core::System::close(tty_fd));
}
WindowServer::EventLoop loop;
TRY(Core::System::pledge("stdio video thread sendfd recvfd accept rpath wpath cpath unix proc exec"));
// First check which screens are explicitly configured
{
AK::HashTable<DeprecatedString> fb_devices_configured;
WindowServer::ScreenLayout screen_layout;
DeprecatedString error_msg;
auto add_unconfigured_display_connector_devices = [&]() -> ErrorOr<void> {
// Enumerate the /dev/gpu/connectorX devices and try to set up any ones we find that we haven't already used
Core::DirIterator di("/dev/gpu", Core::DirIterator::SkipParentAndBaseDir);
while (di.has_next()) {
auto path = di.next_path();
if (!path.starts_with("connector"sv))
continue;
auto full_path = DeprecatedString::formatted("/dev/gpu/{}", path);
if (!FileSystem::is_device(full_path))
continue;
auto display_connector_fd = TRY(Core::System::open(full_path, O_RDWR | O_CLOEXEC));
if (int rc = graphics_connector_set_responsible(display_connector_fd); rc != 0)
return Error::from_syscall("graphics_connector_set_responsible"sv, rc);
TRY(Core::System::close(display_connector_fd));
if (fb_devices_configured.find(full_path) != fb_devices_configured.end())
continue;
if (!screen_layout.try_auto_add_display_connector(full_path))
dbgln("Could not auto-add display connector device {} to screen layout", full_path);
}
return {};
};
auto apply_and_generate_generic_screen_layout = [&]() -> ErrorOr<bool> {
screen_layout = {};
fb_devices_configured = {};
TRY(add_unconfigured_display_connector_devices());
if (!WindowServer::Screen::apply_layout(move(screen_layout), error_msg)) {
dbgln("Failed to apply generated fallback screen layout: {}", error_msg);
return false;
}
dbgln("Applied generated fallback screen layout!");
return true;
};
if (screen_layout.load_config(*WindowServer::g_config, &error_msg)) {
for (auto& screen_info : screen_layout.screens)
if (screen_info.mode == WindowServer::ScreenLayout::Screen::Mode::Device)
fb_devices_configured.set(screen_info.device.value());
TRY(add_unconfigured_display_connector_devices());
if (!WindowServer::Screen::apply_layout(move(screen_layout), error_msg)) {
dbgln("Error applying screen layout: {}", error_msg);
TRY(apply_and_generate_generic_screen_layout());
}
} else {
dbgln("Error loading screen configuration: {}", error_msg);
TRY(apply_and_generate_generic_screen_layout());
}
}
auto& screen_input = WindowServer::ScreenInput::the();
screen_input.set_cursor_location(WindowServer::Screen::main().rect().center());
double f = atof(WindowServer::g_config->read_entry("Mouse", "AccelerationFactor", "1.0").characters());
if (f < WindowServer::mouse_accel_min || f > WindowServer::mouse_accel_max) {
dbgln("Mouse.AccelerationFactor out of range resetting to 1.0");
f = 1.0;
WindowServer::g_config->write_entry("Mouse", "AccelerationFactor", "1.0");
}
screen_input.set_acceleration_factor(f);
screen_input.set_scroll_step_size(WindowServer::g_config->read_num_entry("Mouse", "ScrollStepSize", 4));
WindowServer::Compositor::the();
auto wm = WindowServer::WindowManager::construct(*palette);
auto am = WindowServer::AppletManager::construct();
auto mm = WindowServer::MenuManager::construct();
TRY(Core::System::unveil("/tmp", ""));
TRY(Core::System::unveil(nullptr, nullptr));
dbgln("Entering WindowServer main loop");
loop.exec();
VERIFY_NOT_REACHED();
}
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