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/************************************************************************
*
* Copyright (C) 2019-2024 IRCAD France
* Copyright (C) 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 <core/com/signals.hpp>
#include <ui/__/action.hpp>
namespace sight::module::ui::viz
{
/**
* @brief Selects a screen and sends its index.
*
* This service is initially meant to choose a screen for fullscreen rendering.
*
* @section Signals Signals
* - \b screen_selected(int): sends the selected screen's index.
*
* @section XML XML Configuration
*
* @code{.xml}
<service uid="..." type="sight::module::ui::viz::screen_selector" >
<config mode="select" />
</service>
*
* @subsection Configuration Configuration
* - \b mode (optional, values=select|current|neighbor): screen selection method:
* - \b select: pop a dialog to let the user choose between all available screens (if there are more than one).
* - \b current: select the screen on which the application is currently displayed.
* - \b neighbor: select a neighboring screen if there is one.
*/
class screen_selector final : public sight::ui::action
{
public:
SIGHT_DECLARE_SERVICE(screen_selector, sight::ui::action);
/// Constructor.
screen_selector();
/// Destructor.
~screen_selector() final;
protected:
/// Configures the selection mode.
void configuring() final;
/// Starts the action service.
void starting() final;
/// Selects a screen based on the selection mode.
void updating() final;
/// Stops the action service.
void stopping() final;
private:
/// Type of signal sent when a screen is selected.
using screen_selected_signal_t = core::com::signal<void (int)>;
/// Prompts a dialog letting the user select a screen if there are multiple monitors.
static int select_screen();
/// Signal sent when a screen is selected.
screen_selected_signal_t::sptr m_screen_selected_sig;
/// Selection mode can be 'select', 'current' or 'neighbor' (cf XML configuration).
std::string m_mode {"select"};
};
} // namespace sight::module::ui::viz
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