/usr/include/mirserver/mir/shell/focus_controller.h is in libmirserver-dev 0.26.3+16.04.20170605-0ubuntu1.1.
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* Copyright © 2013 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: Robert Carr <robert.carr@canonical.com>
*/
#ifndef MIR_SHELL_FOCUS_CONTROLLER_H_
#define MIR_SHELL_FOCUS_CONTROLLER_H_
#include <memory>
#include <set>
namespace mir
{
namespace geometry { struct Point; }
namespace scene { class Session; class Surface; }
namespace shell
{
using SurfaceSet = std::set<std::weak_ptr<scene::Surface>, std::owner_less<std::weak_ptr<scene::Surface>>>;
// TODO I don't think this interface serves a meaningful purpose
// TODO (It is referenced by a couple of example WindowManagers, and
// TODO to get the active session in unity-system-compositor.)
// TODO I think there's a better approach possible.
class FocusController
{
public:
virtual ~FocusController() = default;
virtual void focus_next_session() = 0;
virtual auto focused_session() const -> std::shared_ptr<scene::Session> = 0;
virtual void set_focus_to(
std::shared_ptr<scene::Session> const& focus_session,
std::shared_ptr<scene::Surface> const& focus_surface) = 0;
virtual std::shared_ptr<scene::Surface> focused_surface() const = 0;
virtual auto surface_at(geometry::Point cursor) const -> std::shared_ptr<scene::Surface> = 0;
virtual void raise(SurfaceSet const& surfaces) = 0;
protected:
FocusController() = default;
FocusController(FocusController const&) = delete;
FocusController& operator=(FocusController const&) = delete;
};
}
} // namespace mir
#endif // MIR_SHELL_FOCUS_CONTROLLER_H_
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