Files
neochat/src/models/actionsmodel.h
2023-04-12 21:12:14 +00:00

95 lines
2.8 KiB
C++

// SPDX-FileCopyrightText: 2022 Tobias Fella <tobias.fella@kde.org>
// SPDX-License-Identifier: LGPL-2.0-or-later
#pragma once
#include <KLazyLocalizedString>
#include <QAbstractListModel>
#include <events/roommessageevent.h>
class NeoChatRoom;
/**
* @class ActionsModel
*
* This class defines a model for chat actions.
*
* @note A chat action is a message starting with /, resulting in something other
* than a normal message being sent (e.g. /me, /join).
*/
class ActionsModel : public QAbstractListModel
{
public:
/**
* @brief Definition of an action.
*/
struct Action {
QString prefix; /**< The prefix, without '/' and space after the word. */
/**
* @brief The function to execute when the action is triggered.
*/
std::function<QString(const QString &, NeoChatRoom *)> handle;
/**
* @brief Whether the action is a message type action.
*
* If this is true, a message action will be sent. If this is false, this
* message does some action on the client and should not be sent as a message.
*/
bool messageAction;
/**
* @brief The new message type of a message being sent.
*
* For a non-message action or a message action that outputs the same type
* as its input, it's nullopt.
*/
std::optional<Quotient::RoomMessageEvent::MsgType> messageType = std::nullopt;
KLazyLocalizedString parameters; /**< The input parameters expected by the action. */
KLazyLocalizedString description; /**< The description of the action. */
};
static ActionsModel &instance()
{
static ActionsModel _instance;
return _instance;
}
/**
* @brief Defines the model roles.
*/
enum Roles {
Prefix = Qt::DisplayRole, /**< The prefix, without '/' and space after the word. */
Description, /**< The description of the action. */
CompletionType, /**< The completion type (always "action" for this model). */
Parameters, /**< The input parameters expected by the action. */
};
Q_ENUM(Roles);
/**
* @brief Get the given role value at the given index.
*
* @sa QAbstractItemModel::data
*/
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
/**
* @brief Number of rows in the model.
*
* @sa QAbstractItemModel::rowCount
*/
int rowCount(const QModelIndex &parent = QModelIndex()) const override;
/**
* @brief Returns a mapping from Role enum values to role names.
*
* @sa EventRoles, QAbstractItemModel::roleNames()
*/
QHash<int, QByteArray> roleNames() const override;
/**
* @brief Return a vector with all supported actions.
*/
QVector<Action> &allActions() const;
private:
ActionsModel() = default;
};