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/************************************************************************
*
* Copyright (C) 2009-2024 IRCAD France
* Copyright (C) 2012-2019 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#pragma once
#include <sight/ui/__/config.hpp>
#include "ui/__/cursor_base.hpp"
#include <core/base.hpp>
namespace sight::ui
{
/**
* @brief Defines the generic cursor for UI.
* Use the Delegate design pattern
*/
class SIGHT_UI_CLASS_API cursor : public ui::cursor_base
{
public:
SIGHT_DECLARE_CLASS(cursor, ui::cursor_base);
/// Constructor. Create the implementation of the specific cursor
SIGHT_UI_API cursor();
/// Destructor. Do nothing
SIGHT_UI_API ~cursor() override = default;
// TODO : update API to reflect the cursor stack
/// Set the cursor
SIGHT_UI_API void set_cursor(ui::cursor_base::state_t _cursor, bool _set_overriden_as_default = true) override;
/// Set the default cursor
SIGHT_UI_API void set_default_cursor() override;
protected:
/// Implementation of a cursor in a specific UI (wx/Qt)
ui::cursor_base::sptr m_implementation;
};
/// Convenience "busy" cursor that will reset to default once deleted
/// It can be useful in case of exception
class SIGHT_UI_CLASS_API busy_cursor : public cursor
{
public:
SIGHT_DECLARE_CLASS(busy_cursor, cursor);
/// Constructor. Sets cursor to "busy" state
SIGHT_UI_API busy_cursor()
{
set_cursor(state_t::busy);
}
/// Destructor. Reset cursor to default
SIGHT_UI_API ~busy_cursor() override
{
set_default_cursor();
}
};
class SIGHT_UI_CLASS_API wait_cursor : public cursor
{
public:
SIGHT_DECLARE_CLASS(wait_cursor, cursor);
/// Constructor. Sets cursor to "wait" state
SIGHT_UI_API wait_cursor()
{
set_cursor(state_t::wait);
}
/// Destructor. Reset cursor to default
SIGHT_UI_API ~wait_cursor() override
{
set_default_cursor();
}
};
class SIGHT_UI_CLASS_API cross_cursor : public cursor
{
public:
SIGHT_DECLARE_CLASS(cross_cursor, cursor);
/// Constructor. Sets cursor to "cross" state
SIGHT_UI_API cross_cursor()
{
set_cursor(state_t::cross);
}
/// Destructor. Reset cursor to default
SIGHT_UI_API ~cross_cursor() override
{
set_default_cursor();
}
};
class SIGHT_UI_CLASS_API open_hand_cursor : public cursor
{
public:
SIGHT_DECLARE_CLASS(open_hand_cursor, cursor);
/// Constructor. Sets cursor to "cross" state
SIGHT_UI_API open_hand_cursor()
{
set_cursor(state_t::open_hand);
}
/// Destructor. Reset cursor to default
SIGHT_UI_API ~open_hand_cursor() override
{
set_default_cursor();
}
};
class SIGHT_UI_CLASS_API closed_hand_cursor : public cursor
{
public:
SIGHT_DECLARE_CLASS(closed_hand_cursor, cursor);
/// Constructor. Sets cursor to "cross" state
SIGHT_UI_API closed_hand_cursor()
{
set_cursor(state_t::closed_hand);
}
/// Destructor. Reset cursor to default
SIGHT_UI_API ~closed_hand_cursor() override
{
set_default_cursor();
}
};
} // namespace sight::ui
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