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/*
* Copyright © 2014-2016 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 2 or 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/window_management_options.h"
#include "basic_window_manager.h"
#include "window_management_trace.h"
#include <mir/abnormal_exit.h>
#include <mir/server.h>
#include <mir/options/option.h>
#include <mir/shell/system_compositor_window_manager.h>
#include <mir/version.h>
namespace msh = mir::shell;
// Demonstrate introducing a window management strategy
namespace
{
char const* const wm_option = "window-manager";
char const* const wm_system_compositor = "system-compositor";
char const* const trace_option = "window-management-trace";
}
void miral::WindowManagerOptions::operator()(mir::Server& server) const
{
std::string description = "window management strategy [{";
for (auto const& option : policies)
description += option.name + "|";
description += "system-compositor}]";
server.add_configuration_option(wm_option, description, policies.begin()->name);
server.add_configuration_option(trace_option, "log trace message", mir::OptionType::null);
server.override_the_window_manager_builder([this, &server](msh::FocusController* focus_controller)
-> std::shared_ptr<msh::WindowManager>
{
auto const options = server.get_options();
auto const selection = options->get<std::string>(wm_option);
auto const display_layout = server.the_shell_display_layout();
auto const persistent_surface_store = server.the_persistent_surface_store();
for (auto const& option : policies)
{
if (selection == option.name)
{
if (server.get_options()->is_set(trace_option))
{
auto trace_builder = [&option](WindowManagerTools const& tools) -> std::unique_ptr<miral::WindowManagementPolicy>
{
return std::make_unique<WindowManagementTrace>(tools, option.build);
};
return std::make_shared<BasicWindowManager>(
focus_controller,
display_layout,
persistent_surface_store,
*server.the_display_configuration_observer_registrar(),
trace_builder);
}
return std::make_shared<BasicWindowManager>
(focus_controller,
display_layout,
persistent_surface_store,
*server.the_display_configuration_observer_registrar(),
option.build);
}
}
if (selection == wm_system_compositor)
{
return std::make_shared<msh::SystemCompositorWindowManager>(
focus_controller,
display_layout,
server.the_session_coordinator());
}
throw mir::AbnormalExit("Unknown window manager: " + selection);
});
}
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