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https://github.com/RGBCube/serenity
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0b0514d46b
This patch replaces the use of shbufs for GUI::Window backing stores with the new anonymous files mechanism. Backing bitmaps are now built on memory allocated with anon_create(). They are passed across the IPC socket as IPC::File. This means that WindowServer now pledges "recvfd" and graphical clients need to pledge "sendfd" to work. To support the cached bitmap swapping optimization on the WindowServer side, each backing store is assigned an incrementing serial number on the client side. (This allows us to re-use an already mapped file.)
119 lines
4 KiB
C++
119 lines
4 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 <AK/SharedBuffer.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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int main(int, char**)
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{
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if (pledge("stdio video thread recvfd shared_buffer accept rpath wpath cpath unix proc fattr 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/WindowServer.ini", "rwc") < 0) {
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perror("unveil /etc/WindowServer/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/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::format("/res/themes/%s.ini", theme_name.characters()));
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ASSERT(theme);
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Gfx::set_system_theme(*theme);
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auto palette = Gfx::PaletteImpl::create_with_shared_buffer(*theme);
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WindowServer::EventLoop loop;
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if (pledge("stdio video thread recvfd shared_buffer 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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WindowServer::Screen screen(wm_config->read_num_entry("Screen", "Width", 1024),
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wm_config->read_num_entry("Screen", "Height", 768));
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screen.set_acceleration_factor(atof(wm_config->read_entry("Mouse", "AccelerationFactor", "1.0").characters()));
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screen.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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if (unveil("/dev", "") < 0) {
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perror("unveil /dev");
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return 1;
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}
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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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ASSERT_NOT_REACHED();
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}
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