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LibGUI+WindowServer: Separate window manager IPC from regular IPC

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With this patch the window manager related functionality is split out
onto a new endpoint pair named WindowManagerServer/Client.  This allows
window manager functionality to be potentially privilege separated in
the future.  To this end, a new client named WMConnectionClient
is used to maintain a window manager connection.  When a process
connects to the endpoint and greets the WindowServer as a window manager
(via Window::make_window_manager(int)), they're subscribed to the events
they requested via the WM event mask.

This patch also removes the hardcoding of the Taskbar WindowType to
receive WM events automatically.  However, being a window manager still
requires having an active window, at the moment.
This commit is contained in:
sin-ack 2021-04-14 21:38:53 +00:00 • committed by Andreas Kling
parent 139c04a6e5
commit aa56f9a1e0
24 changed files with 522 additions and 230 deletions
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77
Userland/Libraries/LibGUI/WindowManagerServerConnection.cpp Normal file
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/*
* Copyright (c) 2021, the SerenityOS developers.
* 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 <LibGUI/Event.h>
#include <LibGUI/Window.h>
#include <LibGUI/WindowManagerServerConnection.h>
#include <WindowServer/Window.h>
namespace GUI {
WindowManagerServerConnection& WindowManagerServerConnection::the()
{
static WindowManagerServerConnection* s_connection = nullptr;
if (!s_connection)
s_connection = new WindowManagerServerConnection;
return *s_connection;
}
void WindowManagerServerConnection::handshake()
{
// :^)
}
void WindowManagerServerConnection::handle(const Messages::WindowManagerClient::WindowStateChanged& message)
{
if (auto* window = Window::from_window_id(message.wm_id()))
Core::EventLoop::current().post_event(*window, make<WMWindowStateChangedEvent>(message.client_id(), message.window_id(), message.parent_client_id(), message.parent_window_id(), message.title(), message.rect(), message.is_active(), message.is_modal(), static_cast<WindowType>(message.window_type()), message.is_minimized(), message.is_frameless(), message.progress()));
}
void WindowManagerServerConnection::handle(const Messages::WindowManagerClient::AppletAreaSizeChanged& message)
{
if (auto* window = Window::from_window_id(message.wm_id()))
Core::EventLoop::current().post_event(*window, make<WMAppletAreaSizeChangedEvent>(message.size()));
}
void WindowManagerServerConnection::handle(const Messages::WindowManagerClient::WindowRectChanged& message)
{
if (auto* window = Window::from_window_id(message.wm_id()))
Core::EventLoop::current().post_event(*window, make<WMWindowRectChangedEvent>(message.client_id(), message.window_id(), message.rect()));
}
void WindowManagerServerConnection::handle(const Messages::WindowManagerClient::WindowIconBitmapChanged& message)
{
if (auto* window = Window::from_window_id(message.wm_id())) {
Core::EventLoop::current().post_event(*window, make<WMWindowIconBitmapChangedEvent>(message.client_id(), message.window_id(), message.bitmap().bitmap()));
}
}
void WindowManagerServerConnection::handle(const Messages::WindowManagerClient::WindowRemoved& message)
{
if (auto* window = Window::from_window_id(message.wm_id()))
Core::EventLoop::current().post_event(*window, make<WMWindowRemovedEvent>(message.client_id(), message.window_id()));
}
}