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/*
* Copyright © 2015-2016 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Alan Griffiths <alan@octopull.co.uk>
*/
#include "miral/cursor_theme.h"
#include "xcursor_loader.h"
#include <mir/options/option.h>
#include <mir/server.h>
#include <mir_toolkit/cursors.h>
#include <boost/throw_exception.hpp>
namespace mi = mir::input;
namespace
{
bool has_default_cursor(mi::CursorImages& images)
{
return !!images.image(mir_default_cursor_name, mi::default_cursor_size);
}
}
miral::CursorTheme::CursorTheme(std::string const& theme) :
theme{theme}
{
}
miral::CursorTheme::~CursorTheme() = default;
void miral::CursorTheme::operator()(mir::Server& server) const
{
static char const* const option = "cursor-theme";
server.add_configuration_option(option, "Cursor theme (e.g. \"DMZ-Black\")", theme);
server.override_the_cursor_images([&]
{
auto const theme = server.get_options()->get<std::string const>(option);
std::shared_ptr<mi::CursorImages> const xcursor_loader{std::make_shared<XCursorLoader>(theme)};
if (has_default_cursor(*xcursor_loader))
return xcursor_loader;
BOOST_THROW_EXCEPTION(std::runtime_error(("Failed to load cursor theme: " + theme).c_str()));
});
}
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