serenity/Userland/Libraries/LibGUI/Desktop.cpp
Peter Elliott b8f3441300 LibGUI: Add callback for screen rect change to Desktop.h
callbacks for screen rect changes can be added with
on_receive_screen_rects()
2021-07-19 18:21:40 +02:00

77 lines
2.1 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, unsigned virtual_desktop_rows, unsigned virtual_desktop_columns)
{
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 = {};
}
m_virtual_desktop_rows = virtual_desktop_rows;
m_virtual_desktop_columns = virtual_desktop_columns;
for (auto& callback : m_receive_rects_callbacks)
callback(*this);
}
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();
}
}