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/*
* Copyright © 2020 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: William Wold <william.wold@canonical.com>
*/
#ifndef WLCS_INPUT_METHOD_H_
#define WLCS_INPUT_METHOD_H_
#include <string>
#include <vector>
#include "in_process_server.h"
namespace wlcs
{
struct InputMethod
{
InputMethod(std::string const& name) : name{name} {}
virtual ~InputMethod() = default;
struct Device
{
virtual ~Device() = default;
/// Can only be called while decice is up
virtual void down_at(std::pair<int, int> position) = 0;
/// Can only be called while device is down
virtual void move_to(std::pair<int, int> position) = 0;
/// Can only be called while device is down
virtual void up() = 0;
};
virtual auto create_device(wlcs::Server& server) -> std::unique_ptr<Device> = 0;
virtual auto current_surface(wlcs::Client const& client) -> wl_surface* = 0;
virtual auto position_on_surface(wlcs::Client const& client) -> std::pair<int, int> = 0;
static auto all_input_methods() -> std::vector<std::shared_ptr<InputMethod>>;
std::string const name;
};
struct PointerInputMethod : InputMethod
{
PointerInputMethod() : InputMethod{"pointer"} {}
struct Pointer;
auto create_device(wlcs::Server& server) -> std::unique_ptr<Device> override;
auto current_surface(wlcs::Client const& client) -> wl_surface* override;
auto position_on_surface(wlcs::Client const& client) -> std::pair<int, int> override;
};
struct TouchInputMethod : InputMethod
{
TouchInputMethod() : InputMethod{"touch"} {}
struct Touch;
auto create_device(wlcs::Server& server) -> std::unique_ptr<Device> override;
auto current_surface(wlcs::Client const& client) -> wl_surface* override;
auto position_on_surface(wlcs::Client const& client) -> std::pair<int, int> override;
};
}
namespace std
{
std::ostream& operator<<(std::ostream& out, std::shared_ptr<wlcs::InputMethod> const& param);
}
#endif // WLCS_INPUT_METHOD_H_
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