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/*
* 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/>.
*/
#pragma once
#include <deque>
#include <optional>
#include <QCoreApplication>
#include <QHBoxLayout>
#include <QPaintEvent>
#include <QTextEdit>
#include <QWidget>
#include "dialogs/PreviewUploadOverlay.h"
#include "popups/SuggestionsPopup.h"
struct SearchResult;
class CompletionProxyModel;
class FlatButton;
class LoadingIndicator;
class QCompleter;
class FilteredTextEdit : public QTextEdit
{
Q_OBJECT
public:
explicit FilteredTextEdit(QWidget *parent = nullptr);
QSize sizeHint() const override;
QSize minimumSizeHint() const override;
void submit();
signals:
void heightChanged(int height);
void startedUpload();
//! Trigger the suggestion popup.
void showSuggestions(const QString &query);
void resultsRetrieved(const std::vector<SearchResult> &results);
void selectNextSuggestion();
void selectPreviousSuggestion();
void selectHoveredSuggestion();
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_;
};
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