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/************************************************************************
*
* Copyright (C) 2017-2024 IRCAD France
* Copyright (C) 2017-2019 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 <ui/__/editor.hpp>
#include <QListWidget>
#include <QPointer>
namespace sight::module::ui::qt
{
/**
* @brief This editor allows to draw a list.
* The currently selected item can be deleted by pressing on "del" key
* @section XML XML Configuration
* @code{.xml}
<service uid="..." type="sight::module::ui::qt::list_view"/>
</service>
@endcode
*
* @section Signals Signals
* - \b itemAdded(int): This editor emits the signal "itemAdded" with the index value of added item.
* - \b itemRemoved(int): This editor emits the signal "itemRemoved" with the index value of removed item.
* - \b itemDoubleClicked(int): This editor emits the signal "itemDoubleClicked" with the index value of selected item.
*
* @section Slots Slots
* - \b insertItem(int, std::string): This slot allows to add an item with its index and text.
* - \b removeItem(int): This slot allows to remove the element at the index.
*/
class list_view : public QObject,
public sight::ui::editor
{
Q_OBJECT
public:
SIGHT_DECLARE_SERVICE(list_view, sight::ui::editor);
/// Constructor. Do nothing.
list_view() noexcept;
/// Destructor. Do nothing.
~list_view() noexcept override;
/**@name Signals API
* @{
*/
static const core::com::signals::key_t ITEM_ADDED_SIG;
using item_added_signal_t = core::com::signal<void (int)>;
static const core::com::signals::key_t ITEM_REMOVED_SIG;
using item_removed_signal_t = core::com::signal<void (int)>;
static const core::com::signals::key_t ITEM_DOUBLE_CLICKED_SIG;
using item_double_clicked_signal_t = core::com::signal<void (int)>;
/** @} */
/**
* @name Slots API
* @{
*/
static const core::com::slots::key_t INSERT_ITEM_SLOT;
static const core::com::slots::key_t REMOVE_ITEM_SLOT;
/// SLOT : Called to insert an item at index.
void insert_item(int _index, std::string _value);
/// SLOT : Called to remove the item at the index position.
void remove_item(int _index);
///@}
protected:
/// used to catch the del key released event
bool eventFilter(QObject* _watched, QEvent* _event) override;
/// Installs the layout
void starting() override;
/// Destroys the layout
void stopping() override;
/// Does nothing
void updating() override;
/// Configure the service
void configuring() override;
private:
QPointer<QListWidget> m_list_widget; /// listWidget
private Q_SLOTS:
/// called when an item is double clicked
void on_item_double_clicked(QListWidgetItem* _item);
};
} //namespace sight::module::ui::qt
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