mirror of https://github.com/Nheko-Reborn/nheko
Nicolas Werner
4 years ago
parent
094c0b09ab
commit
b47d2a809c
@ -1,496 +0,0 @@ |
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/*
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* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr> |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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#include <QAbstractItemView> |
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#include <QAbstractTextDocumentLayout> |
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#include <QBuffer> |
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#include <QClipboard> |
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#include <QCompleter> |
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#include <QFileDialog> |
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#include <QMimeData> |
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#include <QMimeDatabase> |
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#include <QMimeType> |
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#include <QPainter> |
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#include <QStyleOption> |
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#include <QtConcurrent> |
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#include "Cache.h" |
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#include "ChatPage.h" |
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#include "CompletionModelRoles.h" |
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#include "CompletionProxyModel.h" |
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#include "Logging.h" |
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#include "TextInputWidget.h" |
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#include "Utils.h" |
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#include "emoji/EmojiSearchModel.h" |
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#include "emoji/Provider.h" |
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#include "ui/FlatButton.h" |
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#include "ui/LoadingIndicator.h" |
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#if defined(Q_OS_MAC) |
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#include "emoji/MacHelper.h" |
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#endif |
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static constexpr size_t INPUT_HISTORY_SIZE = 127; |
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static constexpr int MAX_TEXTINPUT_HEIGHT = 120; |
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static constexpr int ButtonHeight = 22; |
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FilteredTextEdit::FilteredTextEdit(QWidget *parent) |
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: QTextEdit{parent} |
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, history_index_{0} |
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, suggestionsPopup_{parent} |
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, previewDialog_{parent} |
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{ |
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setFrameStyle(QFrame::NoFrame); |
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connect(document()->documentLayout(), |
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&QAbstractTextDocumentLayout::documentSizeChanged, |
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this, |
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&FilteredTextEdit::updateGeometry); |
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connect(document()->documentLayout(), |
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&QAbstractTextDocumentLayout::documentSizeChanged, |
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this, |
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[this]() { emit heightChanged(document()->size().toSize().height()); }); |
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working_history_.push_back(""); |
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connect(this, &QTextEdit::textChanged, this, &FilteredTextEdit::textChanged); |
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setAcceptRichText(false); |
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completer_ = new QCompleter(this); |
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completer_->setWidget(this); |
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auto model = new emoji::EmojiSearchModel(this); |
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model->sort(0, Qt::AscendingOrder); |
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completer_->setModel((emoji_completion_model_ = new CompletionProxyModel(model, this))); |
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emoji_completion_model_->setFilterRole(CompletionModel::SearchRole); |
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completer_->setModelSorting(QCompleter::UnsortedModel); |
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completer_->popup()->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); |
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completer_->popup()->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); |
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connect(completer_, |
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QOverload<const QModelIndex &>::of(&QCompleter::activated), |
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[this](auto &index) { |
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emoji_popup_open_ = false; |
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auto text = index.data(CompletionModel::CompletionRole).toString(); |
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insertCompletion(text); |
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}); |
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connect(this, &FilteredTextEdit::resultsRetrieved, this, &FilteredTextEdit::showResults); |
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connect( |
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&suggestionsPopup_, &SuggestionsPopup::itemSelected, this, [this](const QString &text) { |
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suggestionsPopup_.hide(); |
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auto cursor = textCursor(); |
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const int end = cursor.position(); |
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cursor.setPosition(atTriggerPosition_, QTextCursor::MoveAnchor); |
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cursor.setPosition(end, QTextCursor::KeepAnchor); |
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cursor.removeSelectedText(); |
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cursor.insertText(text); |
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}); |
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// For cycling through the suggestions by hitting tab.
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connect(this, |
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&FilteredTextEdit::selectNextSuggestion, |
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&suggestionsPopup_, |
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&SuggestionsPopup::selectNextSuggestion); |
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connect(this, |
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&FilteredTextEdit::selectPreviousSuggestion, |
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&suggestionsPopup_, |
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&SuggestionsPopup::selectPreviousSuggestion); |
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connect(this, &FilteredTextEdit::selectHoveredSuggestion, this, [this]() { |
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suggestionsPopup_.selectHoveredSuggestion<UserItem>(); |
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}); |
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previewDialog_.hide(); |
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} |
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void |
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FilteredTextEdit::insertCompletion(QString completion) |
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{ |
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// Paint the current word and replace it with 'completion'
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auto cur_text = textAfterPosition(trigger_pos_); |
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auto tc = textCursor(); |
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tc.movePosition(QTextCursor::Left, QTextCursor::MoveAnchor, cur_text.length()); |
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tc.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, cur_text.length()); |
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tc.insertText(completion); |
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setTextCursor(tc); |
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} |
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void |
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FilteredTextEdit::showResults(const std::vector<SearchResult> &results) |
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{ |
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QPoint pos; |
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if (isAnchorValid()) { |
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auto cursor = textCursor(); |
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cursor.setPosition(atTriggerPosition_); |
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pos = viewport()->mapToGlobal(cursorRect(cursor).topLeft()); |
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} else { |
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auto rect = cursorRect(); |
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pos = viewport()->mapToGlobal(rect.topLeft()); |
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} |
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suggestionsPopup_.addUsers(results); |
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suggestionsPopup_.move(pos.x(), pos.y() - suggestionsPopup_.height() - 10); |
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suggestionsPopup_.show(); |
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} |
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void |
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FilteredTextEdit::keyPressEvent(QKeyEvent *event) |
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{ |
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const bool isModifier = (event->modifiers() != Qt::NoModifier); |
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#if defined(Q_OS_MAC) |
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if (event->modifiers() == (Qt::ControlModifier | Qt::MetaModifier) && |
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event->key() == Qt::Key_Space) |
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MacHelper::showEmojiWindow(); |
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#endif |
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if (event->modifiers() == Qt::ControlModifier && event->key() == Qt::Key_U) |
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QTextEdit::setText(""); |
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// calculate the new query
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if (textCursor().position() < atTriggerPosition_ || !isAnchorValid()) { |
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resetAnchor(); |
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closeSuggestions(); |
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} |
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if (suggestionsPopup_.isVisible()) { |
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switch (event->key()) { |
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case Qt::Key_Down: |
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case Qt::Key_Tab: |
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emit selectNextSuggestion(); |
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return; |
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case Qt::Key_Enter: |
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case Qt::Key_Return: |
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emit selectHoveredSuggestion(); |
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return; |
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case Qt::Key_Escape: |
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closeSuggestions(); |
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return; |
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case Qt::Key_Up: |
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case Qt::Key_Backtab: { |
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emit selectPreviousSuggestion(); |
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return; |
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} |
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default: |
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break; |
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} |
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} |
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if (emoji_popup_open_) { |
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auto fake_key = (event->key() == Qt::Key_Backtab) ? Qt::Key_Up : Qt::Key_Down; |
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switch (event->key()) { |
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case Qt::Key_Backtab: |
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case Qt::Key_Tab: { |
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// Simulate up/down arrow press
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auto ev = new QKeyEvent(QEvent::KeyPress, fake_key, Qt::NoModifier); |
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QCoreApplication::postEvent(completer_->popup(), ev); |
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return; |
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} |
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default: |
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break; |
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} |
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} |
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switch (event->key()) { |
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case Qt::Key_At: |
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atTriggerPosition_ = textCursor().position(); |
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anchorType_ = AnchorType::Sigil; |
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QTextEdit::keyPressEvent(event); |
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break; |
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case Qt::Key_Tab: { |
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auto cursor = textCursor(); |
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const int initialPos = cursor.position(); |
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cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor); |
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auto word = cursor.selectedText(); |
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const int startOfWord = cursor.position(); |
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// There is a word to complete.
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if (initialPos != startOfWord) { |
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atTriggerPosition_ = startOfWord; |
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anchorType_ = AnchorType::Tab; |
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emit showSuggestions(word); |
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} else { |
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QTextEdit::keyPressEvent(event); |
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} |
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break; |
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} |
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case Qt::Key_Colon: { |
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QTextEdit::keyPressEvent(event); |
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trigger_pos_ = textCursor().position() - 1; |
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emoji_completion_model_->setFilterRegExp(""); |
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emoji_popup_open_ = true; |
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break; |
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} |
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case Qt::Key_Return: |
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case Qt::Key_Enter: |
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if (emoji_popup_open_) { |
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if (!completer_->popup()->currentIndex().isValid()) { |
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// No completion to select, do normal behavior
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completer_->popup()->hide(); |
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emoji_popup_open_ = false; |
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} else { |
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event->ignore(); |
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return; |
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} |
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} |
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if (!(event->modifiers() & Qt::ShiftModifier)) { |
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submit(); |
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} else { |
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QTextEdit::keyPressEvent(event); |
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} |
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break; |
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case Qt::Key_Up: { |
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auto initial_cursor = textCursor(); |
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QTextEdit::keyPressEvent(event); |
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if (textCursor() == initial_cursor && textCursor().atStart() && |
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history_index_ + 1 < working_history_.size()) { |
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++history_index_; |
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setPlainText(working_history_[history_index_]); |
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moveCursor(QTextCursor::End); |
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} else if (textCursor() == initial_cursor) { |
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// Move to the start of the text if there aren't any lines to move up to.
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initial_cursor.movePosition(QTextCursor::Start, QTextCursor::MoveAnchor, 1); |
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setTextCursor(initial_cursor); |
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} |
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break; |
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} |
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case Qt::Key_Down: { |
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auto initial_cursor = textCursor(); |
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QTextEdit::keyPressEvent(event); |
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if (textCursor() == initial_cursor && textCursor().atEnd() && history_index_ > 0) { |
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--history_index_; |
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setPlainText(working_history_[history_index_]); |
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moveCursor(QTextCursor::End); |
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} else if (textCursor() == initial_cursor) { |
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// Move to the end of the text if there aren't any lines to move down to.
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initial_cursor.movePosition(QTextCursor::End, QTextCursor::MoveAnchor, 1); |
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setTextCursor(initial_cursor); |
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} |
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break; |
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} |
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default: |
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QTextEdit::keyPressEvent(event); |
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if (isModifier) |
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return; |
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if (emoji_popup_open_ && textAfterPosition(trigger_pos_).length() > 2) { |
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// Update completion
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// Don't include the trigger token in the search
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emoji_completion_model_->setFilterWildcard( |
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textAfterPosition(trigger_pos_).remove(0, 1)); |
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completer_->complete(completerRect()); |
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} |
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if (emoji_popup_open_ && (completer_->completionCount() < 1 || |
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!textAfterPosition(trigger_pos_) |
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.contains(QRegularExpression(":[^\r\n\t\f\v :]+$")))) { |
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// No completions for this word or another word than the completer was
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// started with
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emoji_popup_open_ = false; |
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completer_->popup()->hide(); |
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} |
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if (textCursor().position() == 0) { |
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resetAnchor(); |
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closeSuggestions(); |
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return; |
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} |
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// Check if the current word should be autocompleted.
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auto cursor = textCursor(); |
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cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor); |
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auto word = cursor.selectedText(); |
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if (hasAnchor(cursor.position(), anchorType_) && isAnchorValid()) { |
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if (word.isEmpty()) { |
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closeSuggestions(); |
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return; |
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} |
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emit showSuggestions(word); |
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} else { |
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resetAnchor(); |
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closeSuggestions(); |
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} |
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break; |
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} |
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} |
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QRect |
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FilteredTextEdit::completerRect() |
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{ |
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// Move left edge to the beginning of the word
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auto cursor = textCursor(); |
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auto rect = cursorRect(); |
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cursor.movePosition( |
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QTextCursor::Left, QTextCursor::MoveAnchor, textAfterPosition(trigger_pos_).length()); |
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auto cursor_global_x = viewport()->mapToGlobal(cursorRect(cursor).topLeft()).x(); |
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auto rect_global_left = viewport()->mapToGlobal(rect.bottomLeft()).x(); |
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auto dx = qAbs(rect_global_left - cursor_global_x); |
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rect.moveLeft(rect.left() - dx); |
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auto item_height = completer_->popup()->sizeHintForRow(0); |
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auto max_height = item_height * completer_->maxVisibleItems(); |
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auto height = (completer_->completionCount() > completer_->maxVisibleItems()) |
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? max_height |
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: completer_->completionCount() * item_height; |
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rect.setWidth(completer_->popup()->sizeHintForColumn(0)); |
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rect.moveBottom(-height); |
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return rect; |
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} |
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QSize |
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FilteredTextEdit::sizeHint() const |
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{ |
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ensurePolished(); |
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auto margins = viewportMargins(); |
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margins += document()->documentMargin(); |
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QSize size = document()->size().toSize(); |
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size.rwidth() += margins.left() + margins.right(); |
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size.rheight() += margins.top() + margins.bottom(); |
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return size; |
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} |
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QSize |
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FilteredTextEdit::minimumSizeHint() const |
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{ |
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ensurePolished(); |
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auto margins = viewportMargins(); |
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margins += document()->documentMargin(); |
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margins += contentsMargins(); |
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QSize size(fontMetrics().averageCharWidth() * 10, |
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fontMetrics().lineSpacing() + margins.top() + margins.bottom()); |
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return size; |
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} |
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void |
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FilteredTextEdit::submit() |
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{} |
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void |
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FilteredTextEdit::textChanged() |
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{ |
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working_history_[history_index_] = toPlainText(); |
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} |
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TextInputWidget::TextInputWidget(QWidget *parent) |
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: QWidget(parent) |
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{ |
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QFont f; |
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f.setPointSizeF(f.pointSizeF()); |
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const int fontHeight = QFontMetrics(f).height(); |
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const int contentHeight = static_cast<int>(fontHeight * 2.5); |
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const int InputHeight = static_cast<int>(fontHeight * 1.5); |
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setFixedHeight(contentHeight); |
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setCursor(Qt::ArrowCursor); |
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topLayout_ = new QHBoxLayout(); |
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topLayout_->setSpacing(0); |
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topLayout_->setContentsMargins(13, 1, 13, 0); |
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QIcon send_file_icon; |
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send_file_icon.addFile(":/icons/icons/ui/paper-clip-outline.png"); |
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sendFileBtn_ = new FlatButton(this); |
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sendFileBtn_->setToolTip(tr("Send a file")); |
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sendFileBtn_->setIcon(send_file_icon); |
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sendFileBtn_->setIconSize(QSize(ButtonHeight, ButtonHeight)); |
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spinner_ = new LoadingIndicator(this); |
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spinner_->setFixedHeight(InputHeight); |
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spinner_->setFixedWidth(InputHeight); |
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spinner_->setObjectName("FileUploadSpinner"); |
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spinner_->hide(); |
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input_ = new FilteredTextEdit(this); |
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input_->setFixedHeight(InputHeight); |
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input_->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); |
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input_->setPlaceholderText(tr("Write a message...")); |
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connect(input_, |
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&FilteredTextEdit::heightChanged, |
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this, |
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[this, InputHeight, contentHeight](int height) { |
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int widgetHeight = |
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std::min(MAX_TEXTINPUT_HEIGHT, std::max(height, contentHeight)); |
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int textInputHeight = |
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std::min(widgetHeight - 1, std::max(height, InputHeight)); |
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setFixedHeight(widgetHeight); |
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input_->setFixedHeight(textInputHeight); |
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emit heightChanged(widgetHeight); |
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}); |
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connect(input_, &FilteredTextEdit::showSuggestions, this, [this](const QString &q) { |
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if (q.isEmpty()) |
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return; |
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QtConcurrent::run([this, q = q.toLower().toStdString()]() { |
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try { |
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emit input_->resultsRetrieved(cache::searchUsers( |
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ChatPage::instance()->currentRoom().toStdString(), q)); |
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} catch (const lmdb::error &e) { |
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nhlog::db()->error("Suggestion retrieval failed: {}", e.what()); |
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} |
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}); |
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}); |
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sendMessageBtn_ = new FlatButton(this); |
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sendMessageBtn_->setToolTip(tr("Send a message")); |
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QIcon send_message_icon; |
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send_message_icon.addFile(":/icons/icons/ui/cursor.png"); |
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sendMessageBtn_->setIcon(send_message_icon); |
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sendMessageBtn_->setIconSize(QSize(ButtonHeight, ButtonHeight)); |
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topLayout_->addWidget(sendFileBtn_); |
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topLayout_->addWidget(input_); |
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topLayout_->addWidget(sendMessageBtn_); |
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setLayout(topLayout_); |
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connect(sendMessageBtn_, &FlatButton::clicked, input_, &FilteredTextEdit::submit); |
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connect(sendFileBtn_, SIGNAL(clicked()), this, SLOT(openFileSelection())); |
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} |
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void |
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TextInputWidget::focusInEvent(QFocusEvent *event) |
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{ |
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input_->setFocus(event->reason()); |
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} |
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void |
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TextInputWidget::paintEvent(QPaintEvent *) |
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{ |
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QStyleOption opt; |
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opt.init(this); |
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QPainter p(this); |
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style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this); |
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} |
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@ -1,173 +0,0 @@ |
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/*
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* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr> |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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|
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#pragma once |
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#include <deque> |
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#include <optional> |
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#include <QCoreApplication> |
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#include <QHBoxLayout> |
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#include <QPaintEvent> |
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#include <QTextEdit> |
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#include <QWidget> |
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#include "dialogs/PreviewUploadOverlay.h" |
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#include "popups/SuggestionsPopup.h" |
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struct SearchResult; |
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class CompletionProxyModel; |
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class FlatButton; |
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class LoadingIndicator; |
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class QCompleter; |
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class FilteredTextEdit : public QTextEdit |
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{ |
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Q_OBJECT |
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public: |
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explicit FilteredTextEdit(QWidget *parent = nullptr); |
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QSize sizeHint() const override; |
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QSize minimumSizeHint() const override; |
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void submit(); |
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signals: |
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void heightChanged(int height); |
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void startedUpload(); |
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//! Trigger the suggestion popup.
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void showSuggestions(const QString &query); |
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void resultsRetrieved(const std::vector<SearchResult> &results); |
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void selectNextSuggestion(); |
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void selectPreviousSuggestion(); |
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void selectHoveredSuggestion(); |
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|
||||
public slots: |
||||
void showResults(const std::vector<SearchResult> &results); |
||||
|
||||
protected: |
||||
void keyPressEvent(QKeyEvent *event) override; |
||||
void focusOutEvent(QFocusEvent *event) override |
||||
{ |
||||
suggestionsPopup_.hide(); |
||||
QTextEdit::focusOutEvent(event); |
||||
} |
||||
|
||||
private: |
||||
bool emoji_popup_open_ = false; |
||||
CompletionProxyModel *emoji_completion_model_; |
||||
std::deque<QString> true_history_, working_history_; |
||||
int trigger_pos_; // Where emoji completer was triggered
|
||||
size_t history_index_; |
||||
QCompleter *completer_; |
||||
|
||||
SuggestionsPopup suggestionsPopup_; |
||||
|
||||
enum class AnchorType |
||||
{ |
||||
Tab = 0, |
||||
Sigil = 1, |
||||
}; |
||||
|
||||
AnchorType anchorType_ = AnchorType::Sigil; |
||||
|
||||
int anchorWidth(AnchorType anchor) { return static_cast<int>(anchor); } |
||||
|
||||
void closeSuggestions() { suggestionsPopup_.hide(); } |
||||
void resetAnchor() { atTriggerPosition_ = -1; } |
||||
bool isAnchorValid() { return atTriggerPosition_ != -1; } |
||||
bool hasAnchor(int pos, AnchorType anchor) |
||||
{ |
||||
return pos == atTriggerPosition_ + anchorWidth(anchor); |
||||
} |
||||
QRect completerRect(); |
||||
QString query() |
||||
{ |
||||
auto cursor = textCursor(); |
||||
cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor); |
||||
return cursor.selectedText(); |
||||
} |
||||
QString textAfterPosition(int pos) |
||||
{ |
||||
auto tc = textCursor(); |
||||
tc.setPosition(pos); |
||||
tc.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor); |
||||
return tc.selectedText(); |
||||
} |
||||
|
||||
dialogs::PreviewUploadOverlay previewDialog_; |
||||
|
||||
//! Latest position of the '@' character that triggers the username completer.
|
||||
int atTriggerPosition_ = -1; |
||||
|
||||
void insertCompletion(QString completion); |
||||
void textChanged(); |
||||
void afterCompletion(int); |
||||
}; |
||||
|
||||
class TextInputWidget : public QWidget |
||||
{ |
||||
Q_OBJECT |
||||
|
||||
Q_PROPERTY(QColor borderColor READ borderColor WRITE setBorderColor) |
||||
|
||||
public: |
||||
TextInputWidget(QWidget *parent = nullptr); |
||||
|
||||
QColor borderColor() const { return borderColor_; } |
||||
void setBorderColor(QColor &color) { borderColor_ = color; } |
||||
void disableInput() |
||||
{ |
||||
input_->setEnabled(false); |
||||
input_->setPlaceholderText(tr("Connection lost. Nheko is trying to re-connect...")); |
||||
} |
||||
void enableInput() |
||||
{ |
||||
input_->setEnabled(true); |
||||
input_->setPlaceholderText(tr("Write a message...")); |
||||
} |
||||
|
||||
public slots: |
||||
void focusLineEdit() { input_->setFocus(); } |
||||
|
||||
signals: |
||||
void heightChanged(int height); |
||||
|
||||
void sendJoinRoomRequest(const QString &room); |
||||
void sendInviteRoomRequest(const QString &userid, const QString &reason); |
||||
void sendKickRoomRequest(const QString &userid, const QString &reason); |
||||
void sendBanRoomRequest(const QString &userid, const QString &reason); |
||||
void sendUnbanRoomRequest(const QString &userid, const QString &reason); |
||||
void changeRoomNick(const QString &displayname); |
||||
|
||||
protected: |
||||
void focusInEvent(QFocusEvent *event) override; |
||||
void paintEvent(QPaintEvent *) override; |
||||
|
||||
private: |
||||
QHBoxLayout *topLayout_; |
||||
FilteredTextEdit *input_; |
||||
|
||||
LoadingIndicator *spinner_; |
||||
|
||||
FlatButton *sendFileBtn_; |
||||
FlatButton *sendMessageBtn_; |
||||
QColor borderColor_; |
||||
}; |
||||
Loading…
Reference in new issue