matrixion/src/TextInputWidget.cpp

656 lines
22 KiB
C++
Raw Normal View History

2017-04-06 02:06:42 +03:00
/*
* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QAbstractTextDocumentLayout>
#include <QApplication>
#include <QBuffer>
#include <QClipboard>
2017-04-06 02:06:42 +03:00
#include <QDebug>
2017-09-10 12:58:00 +03:00
#include <QFileDialog>
#include <QImageReader>
#include <QMimeData>
2017-12-01 18:33:49 +03:00
#include <QMimeDatabase>
#include <QMimeType>
2017-04-06 02:06:42 +03:00
#include <QPainter>
#include <QStyleOption>
2018-03-25 21:50:45 +03:00
#include <QtConcurrent>
2017-04-06 02:06:42 +03:00
2018-04-21 16:34:50 +03:00
#include "Cache.h"
#include "ChatPage.h"
#include "Config.h"
2017-04-06 02:06:42 +03:00
#include "TextInputWidget.h"
#include "Utils.h"
2018-07-17 16:37:25 +03:00
#include "ui/FlatButton.h"
#include "ui/LoadingIndicator.h"
2017-04-06 02:06:42 +03:00
#if defined(Q_OS_MAC)
#include "emoji/MacHelper.h"
#endif
static constexpr size_t INPUT_HISTORY_SIZE = 127;
static constexpr int MAX_TEXTINPUT_HEIGHT = 120;
static constexpr int InputHeight = 24;
static constexpr int ButtonHeight = 22;
2017-04-23 21:31:08 +03:00
FilteredTextEdit::FilteredTextEdit(QWidget *parent)
: QTextEdit{parent}
, history_index_{0}
, popup_{parent}
, previewDialog_{parent}
2017-04-23 21:31:08 +03:00
{
setFrameStyle(QFrame::NoFrame);
connect(document()->documentLayout(),
&QAbstractTextDocumentLayout::documentSizeChanged,
this,
&FilteredTextEdit::updateGeometry);
connect(document()->documentLayout(),
&QAbstractTextDocumentLayout::documentSizeChanged,
this,
[this]() { emit heightChanged(document()->size().toSize().height()); });
working_history_.push_back("");
connect(this, &QTextEdit::textChanged, this, &FilteredTextEdit::textChanged);
setAcceptRichText(false);
typingTimer_ = new QTimer(this);
typingTimer_->setInterval(1000);
typingTimer_->setSingleShot(true);
connect(typingTimer_, &QTimer::timeout, this, &FilteredTextEdit::stopTyping);
connect(&previewDialog_,
&dialogs::PreviewUploadOverlay::confirmUpload,
this,
&FilteredTextEdit::uploadData);
connect(this, &FilteredTextEdit::resultsRetrieved, this, &FilteredTextEdit::showResults);
connect(&popup_, &SuggestionsPopup::itemSelected, this, [this](const QString &text) {
popup_.hide();
auto cursor = textCursor();
const int end = cursor.position();
cursor.setPosition(atTriggerPosition_, QTextCursor::MoveAnchor);
cursor.setPosition(end, QTextCursor::KeepAnchor);
cursor.removeSelectedText();
cursor.insertText(text);
});
// For cycling through the suggestions by hitting tab.
connect(this,
&FilteredTextEdit::selectNextSuggestion,
&popup_,
&SuggestionsPopup::selectNextSuggestion);
connect(this,
&FilteredTextEdit::selectPreviousSuggestion,
&popup_,
&SuggestionsPopup::selectPreviousSuggestion);
2018-04-27 01:57:46 +03:00
connect(this, &FilteredTextEdit::selectHoveredSuggestion, this, [this]() {
popup_.selectHoveredSuggestion<UserItem>();
});
previewDialog_.hide();
2017-04-23 21:31:08 +03:00
}
void
FilteredTextEdit::showResults(const QVector<SearchResult> &results)
{
QPoint pos;
if (isAnchorValid()) {
auto cursor = textCursor();
cursor.setPosition(atTriggerPosition_);
pos = viewport()->mapToGlobal(cursorRect(cursor).topLeft());
} else {
auto rect = cursorRect();
pos = viewport()->mapToGlobal(rect.topLeft());
}
popup_.addUsers(results);
popup_.move(pos.x(), pos.y() - popup_.height() - 10);
popup_.show();
}
2017-08-20 13:47:22 +03:00
void
FilteredTextEdit::keyPressEvent(QKeyEvent *event)
2017-04-23 21:31:08 +03:00
{
const bool isModifier = (event->modifiers() != Qt::NoModifier);
#if defined(Q_OS_MAC)
if (event->modifiers() == (Qt::ControlModifier | Qt::MetaModifier) &&
event->key() == Qt::Key_Space)
MacHelper::showEmojiWindow();
#endif
if (!isModifier) {
if (!typingTimer_->isActive())
emit startedTyping();
typingTimer_->start();
}
// calculate the new query
if (textCursor().position() < atTriggerPosition_ || !isAnchorValid()) {
resetAnchor();
closeSuggestions();
}
if (popup_.isVisible()) {
switch (event->key()) {
case Qt::Key_Down:
case Qt::Key_Tab:
emit selectNextSuggestion();
return;
case Qt::Key_Enter:
case Qt::Key_Return:
emit selectHoveredSuggestion();
return;
case Qt::Key_Escape:
closeSuggestions();
return;
case Qt::Key_Up:
case Qt::Key_Backtab: {
emit selectPreviousSuggestion();
return;
}
default:
break;
}
}
switch (event->key()) {
case Qt::Key_At:
atTriggerPosition_ = textCursor().position();
anchorType_ = AnchorType::Sigil;
QTextEdit::keyPressEvent(event);
break;
case Qt::Key_Tab: {
auto cursor = textCursor();
const int initialPos = cursor.position();
cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
auto word = cursor.selectedText();
const int startOfWord = cursor.position();
// There is a word to complete.
if (initialPos != startOfWord) {
atTriggerPosition_ = startOfWord;
anchorType_ = AnchorType::Tab;
emit showSuggestions(word);
} else {
QTextEdit::keyPressEvent(event);
}
break;
}
case Qt::Key_Return:
case Qt::Key_Enter:
if (!(event->modifiers() & Qt::ShiftModifier)) {
stopTyping();
submit();
} else {
QTextEdit::keyPressEvent(event);
}
break;
case Qt::Key_Up: {
auto initial_cursor = textCursor();
QTextEdit::keyPressEvent(event);
if (textCursor() == initial_cursor && textCursor().atStart() &&
history_index_ + 1 < working_history_.size()) {
++history_index_;
setPlainText(working_history_[history_index_]);
moveCursor(QTextCursor::End);
} else if (textCursor() == initial_cursor) {
// Move to the start of the text if there aren't any lines to move up to.
initial_cursor.movePosition(QTextCursor::Start, QTextCursor::MoveAnchor, 1);
setTextCursor(initial_cursor);
}
break;
}
case Qt::Key_Down: {
auto initial_cursor = textCursor();
QTextEdit::keyPressEvent(event);
if (textCursor() == initial_cursor && textCursor().atEnd() && history_index_ > 0) {
--history_index_;
setPlainText(working_history_[history_index_]);
moveCursor(QTextCursor::End);
} else if (textCursor() == initial_cursor) {
// Move to the end of the text if there aren't any lines to move down to.
initial_cursor.movePosition(QTextCursor::End, QTextCursor::MoveAnchor, 1);
setTextCursor(initial_cursor);
}
break;
}
default:
QTextEdit::keyPressEvent(event);
if (isModifier)
return;
if (textCursor().position() == 0) {
resetAnchor();
closeSuggestions();
return;
}
// Check if the current word should be autocompleted.
auto cursor = textCursor();
cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
auto word = cursor.selectedText();
if (hasAnchor(cursor.position(), anchorType_) && isAnchorValid()) {
if (word.isEmpty()) {
closeSuggestions();
return;
}
emit showSuggestions(word);
} else {
resetAnchor();
closeSuggestions();
}
break;
}
}
bool
FilteredTextEdit::canInsertFromMimeData(const QMimeData *source) const
{
return (source->hasImage() || QTextEdit::canInsertFromMimeData(source));
}
void
FilteredTextEdit::insertFromMimeData(const QMimeData *source)
{
const auto formats = source->formats().filter("/");
const auto image = formats.filter("image/", Qt::CaseInsensitive);
const auto audio = formats.filter("audio/", Qt::CaseInsensitive);
const auto video = formats.filter("video/", Qt::CaseInsensitive);
if (!image.empty()) {
showPreview(source, image);
} else if (!audio.empty()) {
showPreview(source, audio);
} else if (!video.empty()) {
showPreview(source, video);
} else if (source->hasUrls()) {
// Generic file path for any platform.
QString path;
for (auto &&u : source->urls()) {
if (u.isLocalFile()) {
path = u.toLocalFile();
break;
}
}
if (!path.isEmpty() && QFileInfo{path}.exists()) {
previewDialog_.setPreview(path);
} else {
qWarning()
<< "Clipboard does not contain any valid file paths:" << source->urls();
}
} else if (source->hasFormat("x-special/gnome-copied-files")) {
// Special case for X11 users. See "Notes for X11 Users" in source.
// Source: http://doc.qt.io/qt-5/qclipboard.html
// This MIME type returns a string with multiple lines separated by '\n'. The first
// line is the command to perform with the clipboard (not useful to us). The
// following lines are the file URIs.
//
// Source: the nautilus source code in file 'src/nautilus-clipboard.c' in function
// nautilus_clipboard_get_uri_list_from_selection_data()
// https://github.com/GNOME/nautilus/blob/master/src/nautilus-clipboard.c
auto data = source->data("x-special/gnome-copied-files").split('\n');
if (data.size() < 2) {
qWarning() << "MIME format is malformed, cannot perform paste.";
return;
}
QString path;
for (int i = 1; i < data.size(); ++i) {
QUrl url{data[i]};
if (url.isLocalFile()) {
path = url.toLocalFile();
break;
}
}
if (!path.isEmpty()) {
previewDialog_.setPreview(path);
} else {
qWarning() << "Clipboard does not contain any valid file paths:" << data;
}
} else {
QTextEdit::insertFromMimeData(source);
}
}
void
FilteredTextEdit::stopTyping()
{
typingTimer_->stop();
emit stoppedTyping();
2017-04-23 21:31:08 +03:00
}
QSize
FilteredTextEdit::sizeHint() const
{
ensurePolished();
auto margins = viewportMargins();
margins += document()->documentMargin();
QSize size = document()->size().toSize();
size.rwidth() += margins.left() + margins.right();
size.rheight() += margins.top() + margins.bottom();
return size;
}
QSize
FilteredTextEdit::minimumSizeHint() const
{
ensurePolished();
auto margins = viewportMargins();
margins += document()->documentMargin();
margins += contentsMargins();
QSize size(fontMetrics().averageCharWidth() * 10,
fontMetrics().lineSpacing() + margins.top() + margins.bottom());
return size;
}
void
FilteredTextEdit::submit()
{
if (toPlainText().trimmed().isEmpty())
return;
2017-11-16 15:42:13 +03:00
if (true_history_.size() == INPUT_HISTORY_SIZE)
true_history_.pop_back();
true_history_.push_front(toPlainText());
working_history_ = true_history_;
working_history_.push_front("");
history_index_ = 0;
QString text = toPlainText();
if (text.startsWith('/')) {
int command_end = text.indexOf(' ');
if (command_end == -1)
command_end = text.size();
auto name = text.mid(1, command_end - 1);
auto args = text.mid(command_end + 1);
if (name.isEmpty() || name == "/") {
message(args);
} else {
command(name, args);
}
} else {
message(std::move(text));
}
clear();
}
void
FilteredTextEdit::textChanged()
{
working_history_[history_index_] = toPlainText();
}
void
FilteredTextEdit::uploadData(const QByteArray data, const QString &media, const QString &filename)
{
QSharedPointer<QBuffer> buffer{new QBuffer{this}};
buffer->setData(data);
emit startedUpload();
if (media == "image")
emit image(buffer, filename);
else if (media == "audio")
emit audio(buffer, filename);
else if (media == "video")
emit video(buffer, filename);
else
emit file(buffer, filename);
}
void
FilteredTextEdit::showPreview(const QMimeData *source, const QStringList &formats)
{
// Retrieve data as MIME type.
auto const &mime = formats.first();
QByteArray data = source->data(mime);
previewDialog_.setPreview(data, mime);
}
2017-04-06 02:06:42 +03:00
TextInputWidget::TextInputWidget(QWidget *parent)
: QWidget(parent)
2017-04-06 02:06:42 +03:00
{
2017-10-15 22:08:51 +03:00
setFixedHeight(conf::textInput::height);
setCursor(Qt::ArrowCursor);
2017-09-10 12:58:00 +03:00
topLayout_ = new QHBoxLayout();
2017-10-04 11:33:34 +03:00
topLayout_->setSpacing(0);
topLayout_->setContentsMargins(13, 0, 13, 0);
QIcon send_file_icon;
2017-10-15 22:08:51 +03:00
send_file_icon.addFile(":/icons/icons/ui/paper-clip-outline.png");
2017-09-10 12:58:00 +03:00
sendFileBtn_ = new FlatButton(this);
sendFileBtn_->setToolTip(tr("Send a file"));
2017-09-10 12:58:00 +03:00
sendFileBtn_->setIcon(send_file_icon);
2018-03-18 18:08:13 +03:00
sendFileBtn_->setIconSize(QSize(ButtonHeight, ButtonHeight));
2017-09-10 12:58:00 +03:00
spinner_ = new LoadingIndicator(this);
2018-03-18 18:08:13 +03:00
spinner_->setFixedHeight(InputHeight);
spinner_->setFixedWidth(InputHeight);
spinner_->setObjectName("FileUploadSpinner");
2017-09-10 12:58:00 +03:00
spinner_->hide();
input_ = new FilteredTextEdit(this);
2018-03-18 18:08:13 +03:00
input_->setFixedHeight(InputHeight);
input_->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
input_->setPlaceholderText(tr("Write a message..."));
connect(input_, &FilteredTextEdit::heightChanged, this, [this](int height) {
2018-03-18 18:08:13 +03:00
int textInputHeight = std::min(MAX_TEXTINPUT_HEIGHT, std::max(height, InputHeight));
int widgetHeight =
std::min(MAX_TEXTINPUT_HEIGHT, std::max(height, conf::textInput::height));
setFixedHeight(widgetHeight);
input_->setFixedHeight(textInputHeight);
emit heightChanged(widgetHeight);
});
connect(input_, &FilteredTextEdit::showSuggestions, this, [this](const QString &q) {
2018-05-08 20:30:09 +03:00
if (q.isEmpty() || !cache::client())
return;
2018-03-25 21:50:45 +03:00
QtConcurrent::run([this, q = q.toLower().toStdString()]() {
2018-04-21 16:34:50 +03:00
try {
2018-05-08 20:30:09 +03:00
emit input_->resultsRetrieved(cache::client()->searchUsers(
2018-04-21 16:34:50 +03:00
ChatPage::instance()->currentRoom().toStdString(), q));
} catch (const lmdb::error &e) {
std::cout << e.what() << '\n';
}
});
});
2017-09-10 12:58:00 +03:00
sendMessageBtn_ = new FlatButton(this);
sendMessageBtn_->setToolTip(tr("Send a message"));
QIcon send_message_icon;
2017-10-15 22:08:51 +03:00
send_message_icon.addFile(":/icons/icons/ui/cursor.png");
2017-09-10 12:58:00 +03:00
sendMessageBtn_->setIcon(send_message_icon);
2018-03-18 18:08:13 +03:00
sendMessageBtn_->setIconSize(QSize(ButtonHeight, ButtonHeight));
emojiBtn_ = new emoji::PickButton(this);
emojiBtn_->setToolTip(tr("Emoji"));
#if defined(Q_OS_MAC)
// macOS has a native emoji picker.
emojiBtn_->hide();
#endif
QIcon emoji_icon;
2017-10-15 22:08:51 +03:00
emoji_icon.addFile(":/icons/icons/ui/smile.png");
2017-09-10 12:58:00 +03:00
emojiBtn_->setIcon(emoji_icon);
2018-03-18 18:08:13 +03:00
emojiBtn_->setIconSize(QSize(ButtonHeight, ButtonHeight));
2017-09-10 12:58:00 +03:00
topLayout_->addWidget(sendFileBtn_);
topLayout_->addWidget(input_);
topLayout_->addWidget(emojiBtn_);
topLayout_->addWidget(sendMessageBtn_);
2017-09-10 12:58:00 +03:00
setLayout(topLayout_);
connect(sendMessageBtn_, &FlatButton::clicked, input_, &FilteredTextEdit::submit);
2017-09-10 12:58:00 +03:00
connect(sendFileBtn_, SIGNAL(clicked()), this, SLOT(openFileSelection()));
connect(input_, &FilteredTextEdit::message, this, &TextInputWidget::sendTextMessage);
connect(input_, &FilteredTextEdit::command, this, &TextInputWidget::command);
connect(input_, &FilteredTextEdit::image, this, &TextInputWidget::uploadImage);
connect(input_, &FilteredTextEdit::audio, this, &TextInputWidget::uploadAudio);
connect(input_, &FilteredTextEdit::video, this, &TextInputWidget::uploadVideo);
connect(input_, &FilteredTextEdit::file, this, &TextInputWidget::uploadFile);
2017-09-10 12:58:00 +03:00
connect(emojiBtn_,
SIGNAL(emojiSelected(const QString &)),
this,
SLOT(addSelectedEmoji(const QString &)));
connect(input_, &FilteredTextEdit::startedTyping, this, &TextInputWidget::startedTyping);
connect(input_, &FilteredTextEdit::stoppedTyping, this, &TextInputWidget::stoppedTyping);
connect(
input_, &FilteredTextEdit::startedUpload, this, &TextInputWidget::showUploadSpinner);
2017-04-23 21:31:08 +03:00
}
2017-08-20 13:47:22 +03:00
void
TextInputWidget::addSelectedEmoji(const QString &emoji)
2017-04-23 21:31:08 +03:00
{
QTextCursor cursor = input_->textCursor();
2017-04-23 21:31:08 +03:00
QTextCharFormat charfmt;
input_->setCurrentCharFormat(charfmt);
2017-04-23 21:31:08 +03:00
input_->insertPlainText(emoji);
cursor.movePosition(QTextCursor::End);
2017-04-23 21:31:08 +03:00
input_->setCurrentCharFormat(charfmt);
2017-04-23 21:31:08 +03:00
input_->show();
2017-04-06 02:06:42 +03:00
}
2017-08-20 13:47:22 +03:00
void
TextInputWidget::command(QString command, QString args)
2017-04-06 02:06:42 +03:00
{
if (command == "me") {
sendEmoteMessage(args);
} else if (command == "join") {
sendJoinRoomRequest(args);
2018-01-16 23:34:31 +03:00
} else if (command == "shrug") {
sendTextMessage("¯\\_(ツ)_/¯");
} else if (command == "fliptable") {
sendTextMessage("(╯°□°)╯︵ ┻━┻");
}
2017-04-06 02:06:42 +03:00
}
2017-09-10 12:58:00 +03:00
void
TextInputWidget::openFileSelection()
{
2017-12-01 18:33:49 +03:00
const auto fileName =
QFileDialog::getOpenFileName(this, tr("Select a file"), "", tr("All Files (*)"));
2017-09-10 12:58:00 +03:00
if (fileName.isEmpty())
return;
2017-12-01 18:33:49 +03:00
QMimeDatabase db;
QMimeType mime = db.mimeTypeForFile(fileName, QMimeDatabase::MatchContent);
const auto format = mime.name().split("/")[0];
2017-11-30 00:39:35 +03:00
QSharedPointer<QFile> file{new QFile{fileName, this}};
2017-12-01 18:33:49 +03:00
if (format == "image")
emit uploadImage(file, fileName);
2017-12-01 18:33:49 +03:00
else if (format == "audio")
emit uploadAudio(file, fileName);
else if (format == "video")
emit uploadVideo(file, fileName);
2017-11-30 00:39:35 +03:00
else
emit uploadFile(file, fileName);
2017-09-10 12:58:00 +03:00
showUploadSpinner();
}
void
TextInputWidget::showUploadSpinner()
{
topLayout_->removeWidget(sendFileBtn_);
sendFileBtn_->hide();
topLayout_->insertWidget(0, spinner_);
spinner_->start();
}
void
TextInputWidget::hideUploadSpinner()
{
topLayout_->removeWidget(spinner_);
topLayout_->insertWidget(0, sendFileBtn_);
sendFileBtn_->show();
spinner_->stop();
}
void
TextInputWidget::stopTyping()
{
input_->stopTyping();
}
void
TextInputWidget::focusInEvent(QFocusEvent *event)
{
input_->setFocus(event->reason());
}
void
TextInputWidget::paintEvent(QPaintEvent *)
{
QStyleOption opt;
opt.init(this);
QPainter p(this);
2018-03-18 18:08:13 +03:00
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
}
2018-06-30 15:13:15 +03:00
void
TextInputWidget::addReply(const QString &username, const QString &msg)
{
input_->setText(QString("> %1: %2\n\n").arg(username).arg(msg));
input_->setFocus();
auto cursor = input_->textCursor();
cursor.movePosition(QTextCursor::End);
input_->setTextCursor(cursor);
}