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aa15bf81e4
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.
126 lines
3.9 KiB
C++
126 lines
3.9 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "AppletManager.h"
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#include "Compositor.h"
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#include "EventLoop.h"
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#include "Screen.h"
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#include "WindowManager.h"
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#include <LibCore/ConfigFile.h>
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#include <LibGfx/Palette.h>
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#include <LibGfx/SystemTheme.h>
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#include <signal.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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int main(int, char**)
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{
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if (pledge("stdio video thread sendfd recvfd accept rpath wpath cpath unix proc sigaction", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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if (unveil("/res", "r") < 0) {
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perror("unveil /res");
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return 1;
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}
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if (unveil("/tmp", "cw") < 0) {
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perror("unveil /tmp cw");
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return 1;
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}
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if (unveil("/etc/WindowServer.ini", "rwc") < 0) {
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perror("unveil /etc/WindowServer.ini");
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return 1;
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}
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if (unveil("/dev", "rw") < 0) {
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perror("unveil /dev rw");
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return 1;
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}
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struct sigaction act;
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memset(&act, 0, sizeof(act));
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act.sa_flags = SA_NOCLDWAIT;
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act.sa_handler = SIG_IGN;
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int rc = sigaction(SIGCHLD, &act, nullptr);
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if (rc < 0) {
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perror("sigaction");
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return 1;
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}
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auto wm_config = Core::ConfigFile::open("/etc/WindowServer.ini");
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auto theme_name = wm_config->read_entry("Theme", "Name", "Default");
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auto theme = Gfx::load_system_theme(String::formatted("/res/themes/{}.ini", theme_name));
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VERIFY(theme.is_valid());
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Gfx::set_system_theme(theme);
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auto palette = Gfx::PaletteImpl::create_with_anonymous_buffer(theme);
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auto default_font_query = wm_config->read_entry("Fonts", "Default", "Katica 10 400");
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auto fixed_width_font_query = wm_config->read_entry("Fonts", "FixedWidth", "Csilla 10 400");
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Gfx::FontDatabase::set_default_font_query(default_font_query);
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Gfx::FontDatabase::set_fixed_width_font_query(fixed_width_font_query);
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WindowServer::EventLoop loop;
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if (pledge("stdio video thread sendfd recvfd accept rpath wpath cpath proc", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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// First check which screens are explicitly configured
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{
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AK::HashTable<String> fb_devices_configured;
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WindowServer::ScreenLayout screen_layout;
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String error_msg;
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if (!screen_layout.load_config(*wm_config, &error_msg)) {
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dbgln("Error loading screen configuration: {}", error_msg);
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return 1;
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}
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for (auto& screen_info : screen_layout.screens)
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fb_devices_configured.set(screen_info.device);
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// TODO: Enumerate the /dev/fbX devices and set up any ones we find that we haven't already used
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if (!WindowServer::Screen::apply_layout(move(screen_layout), error_msg)) {
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dbgln("Error applying screen layout: {}", error_msg);
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return 1;
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}
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}
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auto& screen_input = WindowServer::ScreenInput::the();
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screen_input.set_cursor_location(WindowServer::Screen::main().rect().center());
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screen_input.set_acceleration_factor(atof(wm_config->read_entry("Mouse", "AccelerationFactor", "1.0").characters()));
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screen_input.set_scroll_step_size(wm_config->read_num_entry("Mouse", "ScrollStepSize", 4));
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WindowServer::Compositor::the();
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auto wm = WindowServer::WindowManager::construct(*palette);
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auto am = WindowServer::AppletManager::construct();
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auto mm = WindowServer::MenuManager::construct();
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if (unveil("/tmp", "") < 0) {
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perror("unveil /tmp");
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return 1;
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}
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// NOTE: Because we dynamically need to be able to open new /dev/fb*
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// devices we can't really unveil all of /dev unless we have some
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// other mechanism that can hand us file descriptors for these.
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if (unveil(nullptr, nullptr) < 0) {
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perror("unveil");
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return 1;
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}
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dbgln("Entering WindowServer main loop");
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loop.exec();
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VERIFY_NOT_REACHED();
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}
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