Files
neochat/src/libneochat/models/completionmodel.cpp

351 lines
11 KiB
C++

// SPDX-FileCopyrightText: 2022 Tobias Fella <tobias.fella@kde.org>
// SPDX-License-Identifier: LGPL-2.0-or-later
#include "completionmodel.h"
#include <QDebug>
#include <QTextCursor>
#include "chattextitemhelper.h"
#include "completionproxymodel.h"
#include "models/actionsmodel.h"
#include "models/customemojimodel.h"
#include "models/emojimodel.h"
#include "models/roomlistmodel.h"
#include "userlistmodel.h"
CompletionModel::CompletionModel(QObject *parent)
: QAbstractListModel(parent)
, m_textItem(new ChatTextItemHelper(this))
, m_filterModel(new CompletionProxyModel(this))
, m_emojiModel(new QConcatenateTablesProxyModel(this))
{
m_emojiModel->addSourceModel(&CustomEmojiModel::instance());
m_emojiModel->addSourceModel(&EmojiModel::instance());
}
NeoChatRoom *CompletionModel::room() const
{
return m_room;
}
void CompletionModel::setRoom(NeoChatRoom *room)
{
if (m_room == room) {
return;
}
m_room = room;
Q_EMIT roomChanged();
}
ChatBarType::Type CompletionModel::type() const
{
return m_type;
}
void CompletionModel::setType(ChatBarType::Type type)
{
if (type == m_type) {
return;
}
m_type = type;
Q_EMIT typeChanged();
}
ChatTextItemHelper *CompletionModel::textItem() const
{
return m_textItem;
}
void CompletionModel::setTextItem(ChatTextItemHelper *textItem)
{
if (textItem == m_textItem) {
return;
}
if (m_textItem) {
m_textItem->disconnect(this);
}
m_textItem = textItem;
if (m_textItem) {
connect(m_textItem, &ChatTextItemHelper::cursorPositionChanged, this, &CompletionModel::updateTextStart);
connect(m_textItem, &ChatTextItemHelper::contentsChanged, this, &CompletionModel::updateCompletion);
}
Q_EMIT textItemChanged();
}
bool CompletionModel::isCompleting() const
{
if (!m_textItem) {
return false;
}
return m_textItem->isCompleting;
}
void CompletionModel::ignoreCurrentCompletion()
{
m_ignoreCurrentCompletion = true;
m_textItem->isCompleting = false;
Q_EMIT isCompletingChanged();
}
void CompletionModel::updateTextStart()
{
auto cursor = m_textItem->textCursor();
if (cursor.isNull()) {
return;
}
cursor.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
while (cursor.selectedText() != u' ' && !cursor.atBlockStart()) {
cursor.movePosition(QTextCursor::PreviousCharacter);
cursor.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
}
m_textStart = cursor.position() == 0 && cursor.selectedText() != u' ' ? 0 : cursor.position() + 1;
updateCompletion();
}
int CompletionModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
if (m_autoCompletionType == None) {
return 0;
}
return m_filterModel->rowCount();
}
QVariant CompletionModel::data(const QModelIndex &index, int role) const
{
if (index.row() < 0 || index.row() >= m_filterModel->rowCount()) {
return {};
}
auto filterIndex = m_filterModel->index(index.row(), 0);
if (m_autoCompletionType == User) {
if (role == DisplayNameRole) {
return m_filterModel->data(filterIndex, UserListModel::DisplayNameRole);
}
if (role == SubtitleRole) {
return m_filterModel->data(filterIndex, UserListModel::UserIdRole);
}
if (role == IconNameRole) {
return m_filterModel->data(filterIndex, UserListModel::AvatarRole);
}
if (role == ReplacedTextRole) {
return m_filterModel->data(filterIndex, UserListModel::DisplayNameRole);
}
if (role == HRefRole) {
return u"https://matrix.to/#/%1"_s.arg(m_filterModel->data(filterIndex, UserListModel::UserIdRole).toString());
}
}
if (m_autoCompletionType == Command) {
if (role == DisplayNameRole) {
return u"%1 %2"_s.arg(m_filterModel->data(filterIndex, ActionsModel::Prefix).toString(),
m_filterModel->data(filterIndex, ActionsModel::Parameters).toString());
}
if (role == SubtitleRole) {
return m_filterModel->data(filterIndex, ActionsModel::Description);
}
if (role == IconNameRole) {
return u"invalid"_s;
}
if (role == ReplacedTextRole) {
return m_filterModel->data(filterIndex, ActionsModel::Prefix);
}
}
if (m_autoCompletionType == Room) {
if (role == DisplayNameRole) {
return m_filterModel->data(filterIndex, RoomListModel::DisplayNameRole);
}
if (role == SubtitleRole) {
return m_filterModel->data(filterIndex, RoomListModel::CanonicalAliasRole);
}
if (role == IconNameRole) {
return m_filterModel->data(filterIndex, RoomListModel::AvatarRole).toString();
}
if (role == ReplacedTextRole) {
return m_filterModel->data(filterIndex, RoomListModel::CanonicalAliasRole);
}
if (role == HRefRole) {
return u"https://matrix.to/#/%1"_s.arg(m_filterModel->data(filterIndex, RoomListModel::CanonicalAliasRole).toString());
}
}
if (m_autoCompletionType == Emoji) {
if (role == DisplayNameRole) {
return m_filterModel->data(filterIndex, CustomEmojiModel::DisplayRole);
}
if (role == IconNameRole) {
return m_filterModel->data(filterIndex, CustomEmojiModel::MxcUrl);
}
if (role == ReplacedTextRole) {
return m_filterModel->data(filterIndex, CustomEmojiModel::ReplacedTextRole);
}
if (role == SubtitleRole) {
return m_filterModel->data(filterIndex, EmojiModel::DescriptionRole);
}
}
return {};
}
QHash<int, QByteArray> CompletionModel::roleNames() const
{
return {
{DisplayNameRole, "displayName"},
{SubtitleRole, "subtitle"},
{IconNameRole, "iconName"},
{ReplacedTextRole, "replacedText"},
{HRefRole, "hRef"},
};
}
void CompletionModel::updateCompletion()
{
auto cursor = m_textItem->textCursor();
if (cursor.isNull()) {
return;
}
if (m_ignoreCurrentCompletion) {
cursor.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
if (cursor.selectedText() == u' ') {
m_ignoreCurrentCompletion = false;
}
return;
}
cursor.setPosition(m_textStart);
while (!cursor.selectedText().endsWith(u' ') && !cursor.atBlockEnd()) {
cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
}
const auto text = cursor.selectedText().trimmed();
cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
const auto fullText = cursor.selectedText();
if (text.startsWith(QLatin1Char('@'))) {
m_filterModel->setSourceModel(m_userListModel);
m_filterModel->setFilterRole(UserListModel::UserIdRole);
m_filterModel->setSecondaryFilterRole(UserListModel::DisplayNameRole);
m_filterModel->setFullText(fullText);
m_filterModel->setFilterText(text);
m_autoCompletionType = User;
m_filterModel->invalidate();
} else if (text.startsWith(QLatin1Char('/'))) {
m_filterModel->setSourceModel(&ActionsModel::instance());
m_filterModel->setFilterRole(ActionsModel::Prefix);
m_filterModel->setSecondaryFilterRole(-1);
m_filterModel->setFullText(fullText);
m_filterModel->setFilterText(text.mid(1));
m_autoCompletionType = Command;
m_filterModel->invalidate();
} else if (text.startsWith(QLatin1Char('#'))) {
m_autoCompletionType = Room;
m_filterModel->setSourceModel(m_roomListModel);
m_filterModel->setFilterRole(RoomListModel::CanonicalAliasRole);
m_filterModel->setSecondaryFilterRole(RoomListModel::DisplayNameRole);
m_filterModel->setFullText(fullText);
m_filterModel->setFilterText(text);
m_filterModel->invalidate();
} else if (text.startsWith(QLatin1Char(':')) && text.size() > 1 && !text[1].isUpper()
&& (fullText.indexOf(QLatin1Char(':'), 1) == -1
|| (fullText.indexOf(QLatin1Char(' ')) != -1 && fullText.indexOf(QLatin1Char(':'), 1) > fullText.indexOf(QLatin1Char(' '), 1)))) {
m_filterModel->setSourceModel(m_emojiModel);
m_autoCompletionType = Emoji;
m_filterModel->setFilterRole(CustomEmojiModel::Name);
m_filterModel->setSecondaryFilterRole(EmojiModel::DescriptionRole);
m_filterModel->setFullText(fullText);
m_filterModel->setFilterText(text);
m_filterModel->invalidate();
} else {
m_autoCompletionType = None;
}
beginResetModel();
endResetModel();
m_textItem->isCompleting = rowCount() > 0;
Q_EMIT isCompletingChanged();
}
CompletionModel::AutoCompletionType CompletionModel::autoCompletionType() const
{
return m_autoCompletionType;
}
void CompletionModel::setAutoCompletionType(AutoCompletionType autoCompletionType)
{
m_autoCompletionType = autoCompletionType;
Q_EMIT autoCompletionTypeChanged();
}
RoomListModel *CompletionModel::roomListModel() const
{
return m_roomListModel;
}
void CompletionModel::setRoomListModel(RoomListModel *roomListModel)
{
m_roomListModel = roomListModel;
Q_EMIT roomListModelChanged();
}
UserListModel *CompletionModel::userListModel() const
{
return m_userListModel;
}
void CompletionModel::setUserListModel(UserListModel *userListModel)
{
if (userListModel == m_userListModel) {
return;
}
m_userListModel = userListModel;
Q_EMIT userListModelChanged();
}
void CompletionModel::insertCompletion(const QString &text, const QUrl &link)
{
QTextCursor cursor = m_textItem->textCursor();
if (cursor.isNull()) {
return;
}
cursor.beginEditBlock();
while (!cursor.selectedText().startsWith(u' ') && !cursor.atBlockStart()) {
cursor.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
}
if (cursor.selectedText().startsWith(u' ')) {
cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
}
cursor.removeSelectedText();
const int start = cursor.position();
const auto insertString = u"%1 %2"_s.arg(text, link.isEmpty() ? QString() : u" "_s);
cursor.insertText(insertString);
cursor.setPosition(start);
cursor.setPosition(start + text.size(), QTextCursor::KeepAnchor);
cursor.setKeepPositionOnInsert(true);
cursor.endEditBlock();
if (!link.isEmpty()) {
pushMention({
.cursor = cursor,
.text = text,
.id = link.toString(),
});
}
m_textItem->rehighlight();
}
void CompletionModel::pushMention(const Mention mention) const
{
if (!m_room || m_type == ChatBarType::None) {
return;
}
m_room->cacheForType(m_type)->mentions()->push_back(mention);
}
#include "moc_completionmodel.cpp"