ladybird/Userland/Libraries/LibGUI/Desktop.cpp
Tom 4392da970a WindowServer: Add initial support for rendering on multiple screens
This allows WindowServer to use multiple framebuffer devices and
compose the desktop with any arbitrary layout. Currently, it is assumed
that it is configured contiguous and non-overlapping, but this should
eventually be enforced.

To make rendering efficient, each window now also tracks on which
screens it needs to be rendered. This way we don't have to iterate all
the windows for each screen but instead use the same rendering loop and
then only render to the screen (or screens) that the window actually
uses.
2021-06-20 14:57:26 +02:00

72 lines
1.8 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Badge.h>
#include <LibCore/ConfigFile.h>
#include <LibGUI/Desktop.h>
#include <LibGUI/WindowServerConnection.h>
#include <string.h>
#include <unistd.h>
namespace GUI {
Desktop& Desktop::the()
{
static Desktop* the;
if (!the)
the = new Desktop;
return *the;
}
Desktop::Desktop()
{
}
void Desktop::did_receive_screen_rects(Badge<WindowServerConnection>, const Vector<Gfx::IntRect, 4>& rects, size_t main_screen_index)
{
m_main_screen_index = main_screen_index;
m_rects = rects;
if (!m_rects.is_empty()) {
m_bounding_rect = m_rects[0];
for (size_t i = 1; i < m_rects.size(); i++)
m_bounding_rect = m_bounding_rect.united(m_rects[i]);
} else {
m_bounding_rect = {};
}
}
void Desktop::set_background_color(const StringView& background_color)
{
WindowServerConnection::the().async_set_background_color(background_color);
}
void Desktop::set_wallpaper_mode(const StringView& mode)
{
WindowServerConnection::the().async_set_wallpaper_mode(mode);
}
bool Desktop::set_wallpaper(const StringView& path, bool save_config)
{
WindowServerConnection::the().async_set_wallpaper(path);
auto ret_val = WindowServerConnection::the().wait_for_specific_message<Messages::WindowClient::SetWallpaperFinished>()->success();
if (ret_val && save_config) {
RefPtr<Core::ConfigFile> config = Core::ConfigFile::get_for_app("WindowManager");
dbgln("Saving wallpaper path '{}' to config file at {}", path, config->filename());
config->write_entry("Background", "Wallpaper", path);
config->sync();
}
return ret_val;
}
String Desktop::wallpaper() const
{
return WindowServerConnection::the().get_wallpaper();
}
}