106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop 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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It 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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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include <QtWidgets/QTextEdit>
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#include "style.h"
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#include "animation.h"
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class FlatTextarea : public QTextEdit, public Animated {
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Q_OBJECT
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public:
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FlatTextarea(QWidget *parent, const style::flatTextarea &st, const QString &ph = QString(), const QString &val = QString());
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QString val() const;
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bool viewportEvent(QEvent *e);
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void touchEvent(QTouchEvent *e);
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void paintEvent(QPaintEvent *e);
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void focusInEvent(QFocusEvent *e);
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void focusOutEvent(QFocusEvent *e);
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void keyPressEvent(QKeyEvent *e);
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void resizeEvent(QResizeEvent *e);
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void mousePressEvent(QMouseEvent *e);
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void updatePlaceholder();
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QRect getTextRect() const;
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int32 fakeMargin() const;
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bool animStep(float64 ms);
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QSize sizeHint() const;
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QSize minimumSizeHint() const;
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EmojiPtr getSingleEmoji() const;
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void removeSingleEmoji();
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QString getText(int32 start = 0, int32 end = -1) const;
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bool hasText() const;
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bool isUndoAvailable() const;
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bool isRedoAvailable() const;
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public slots:
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void onTouchTimer();
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void onDocumentContentsChange(int position, int charsRemoved, int charsAdded);
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void onDocumentContentsChanged();
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void onUndoAvailable(bool avail);
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void onRedoAvailable(bool avail);
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signals:
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void changed();
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void submitted(bool ctrlShiftEnter);
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void cancelled();
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void tabbed();
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protected:
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void insertEmoji(EmojiPtr emoji, QTextCursor c);
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private:
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void getSingleEmojiFragment(QString &text, QTextFragment &fragment) const;
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void processDocumentContentsChange(int position, int charsAdded);
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QMimeData *createMimeDataFromSelection() const;
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QString _ph, _phelided, _oldtext;
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bool _phVisible;
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anim::ivalue a_phLeft;
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anim::fvalue a_phAlpha;
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anim::cvalue a_phColor;
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style::flatTextarea _st;
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bool _undoAvailable, _redoAvailable;
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int32 _fakeMargin;
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QTimer _touchTimer;
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bool _touchPress, _touchRightButton, _touchMove;
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QPoint _touchStart;
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bool _replacingEmojis;
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typedef QPair<int, int> Insertion;
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typedef QList<Insertion> Insertions;
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Insertions _insertions;
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};
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