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qTox/src/chatlog/content/text.h
2015-03-01 10:34:20 +01:00

92 lines
2.8 KiB
C++

/*
Copyright (C) 2014 by Project Tox <https://tox.im>
This file is part of qTox, a Qt-based graphical interface for Tox.
This program is libre 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 COPYING file for more details.
*/
#ifndef TEXT_H
#define TEXT_H
#include "../chatlinecontent.h"
#include <QFont>
class QTextDocument;
class Text : public ChatLineContent
{
public:
// txt: may contain html code
// rawText: does not contain html code
Text(const QString& txt = "", QFont font = QFont(), bool enableElide = false, const QString& rawText = QString(), const QColor c = Qt::black);
virtual ~Text();
void setText(const QString& txt);
virtual void setWidth(qreal width) override;
virtual void selectionMouseMove(QPointF scenePos) override;
virtual void selectionStarted(QPointF scenePos) override;
virtual void selectionCleared() override;
virtual void selectionDoubleClick(QPointF scenePos) override;
virtual void selectionFocusChanged(bool focusIn) override;
virtual bool isOverSelection(QPointF scenePos) const override;
virtual QString getSelectedText() const override;
virtual QRectF boundingRect() const override;
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
virtual void visibilityChanged(bool keepInMemory) override;
virtual qreal getAscent() const override;
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
virtual void hoverMoveEvent(QGraphicsSceneHoverEvent* event) override;
virtual QString getText() const override;
protected:
// dynamic resource management
void regenerate();
void freeResources();
QSizeF idealSize();
int cursorFromPos(QPointF scenePos, bool fuzzy = true) const;
int getSelectionEnd() const;
int getSelectionStart() const;
bool hasSelection() const;
QString extractSanitizedText(int from, int to) const;
QString extractImgTooltip(int pos) const;
private:
QTextDocument* doc = nullptr;
QString text;
QString rawText;
QString elidedText;
QString selectedText;
QSizeF size;
bool keepInMemory = false;
bool elide = false;
bool dirty = false;
bool selectionHasFocus = true;
int selectionEnd = -1;
int selectionAnchor = -1;
qreal ascent = 0.0;
qreal width = 0.0;
QFont defFont;
QColor color;
};
#endif // TEXT_H