squawk/ui/utils/messagedelegate.h

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/*
* Squawk messenger.
* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
*
* 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/>.
*/
#ifndef MESSAGEDELEGATE_H
#define MESSAGEDELEGATE_H
#include <map>
#include <set>
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#include <QStyledItemDelegate>
#include <QStyleOptionButton>
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#include <QFont>
#include <QFontMetrics>
#include <QPushButton>
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#include "shared/icons.h"
namespace Models {
struct FeedItem;
};
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class MessageDelegate : public QStyledItemDelegate
{
Q_OBJECT
public:
MessageDelegate(QObject *parent = nullptr);
~MessageDelegate();
void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override;
QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const override;
//void setModelData(QWidget * editor, QAbstractItemModel * model, const QModelIndex & index) const override;
void initializeFonts(const QFont& font);
bool editorEvent(QEvent * event, QAbstractItemModel * model, const QStyleOptionViewItem & option, const QModelIndex & index) override;
void endClearWidgets();
void beginClearWidgets();
signals:
void buttonPushed(const QString& messageId, bool download) const;
protected:
void paintButton(QPushButton* btn, QPainter* painter, bool sentByMe, QStyleOptionViewItem& option) const;
QPushButton* getButton(const Models::FeedItem& data) const;
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protected slots:
void onButtonPushed() const;
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private:
class FeedButton : public QPushButton {
public:
QString messageId;
bool download;
};
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QFont bodyFont;
QFont nickFont;
QFont dateFont;
QFontMetrics bodyMetrics;
QFontMetrics nickMetrics;
QFontMetrics dateMetrics;
int buttonHeight;
std::map<QString, FeedButton*>* buttons;
std::set<QString>* idsToKeep;
bool clearingWidgets;
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};
#endif // MESSAGEDELEGATE_H