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/*
* Copyright (c) 2011 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include "QtAvatarWidget.h"
#include <QLabel>
#include <QVBoxLayout>
#include <QPixmap>
#include <QMenu>
#include <QAction>
#include <QMouseEvent>
#include <QFileDialog>
#include <QImageReader>
#include <QBuffer>
#include <QMessageBox>
#include <QPainter>
#include <QtSwiftUtil.h>
namespace Swift {
QtAvatarWidget::QtAvatarWidget(QWidget* parent) : QWidget(parent) {
QVBoxLayout* layout = new QVBoxLayout(this);
layout->setContentsMargins(0,0,0,0);
QSizePolicy sp(QSizePolicy::Fixed, QSizePolicy::Fixed);
sp.setHorizontalStretch(0);
sp.setVerticalStretch(0);
setSizePolicy(sp);
setMinimumSize(QSize(96, 96));
setMaximumSize(QSize(96, 96));
label = new QLabel(this);
label->setWordWrap(true);
label->setSizePolicy(sp);
label->setMinimumSize(QSize(96, 96));
label->setMaximumSize(QSize(96, 96));
label->setAlignment(Qt::AlignCenter);
layout->addWidget(label);
}
void QtAvatarWidget::setAvatar(const ByteArray& data, const std::string& type) {
this->data = data;
this->type = type;
QImage image;
if (!data.empty()) {
image.loadFromData(reinterpret_cast<const uchar*>(vecptr(data)), data.size());
}
if (image.isNull()) {
image = QImage(":/icons/no-avatar.png");
QPainter painter(&image);
painter.setPen(Qt::gray);
QFont font = painter.font();
font.setPointSize(14);
painter.setFont(font);
painter.drawText(0, 0, image.height(), image.width(), Qt::AlignHCenter | Qt::AlignVCenter, tr("No picture"));
}
if (image.height() > label->height() || image.width() > label->width()) {
image = image.scaled(label->size(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
}
label->setPixmap(QPixmap::fromImage(image));
}
void QtAvatarWidget::mousePressEvent(QMouseEvent* event) {
QMenu menu;
QAction* selectPicture = new QAction(tr("Select picture ..."), this);
menu.addAction(selectPicture);
QAction* clearPicture = new QAction(tr("Clear picture"), this);
menu.addAction(clearPicture);
QAction* result = menu.exec(event->globalPos());
if (result == selectPicture) {
QString fileName = QFileDialog::getOpenFileName(this, tr("Select picture"), "", tr("Image Files (*.png *.jpg *.gif)"));
if (!fileName.isEmpty()) {
ByteArray data;
readByteArrayFromFile(data, Q2PSTRING(fileName));
QBuffer buffer;
buffer.setData(reinterpret_cast<const char*>(vecptr(data)), data.size());
buffer.open(QIODevice::ReadOnly);
QString type = QImageReader::imageFormat(&buffer).toLower();
if (!type.isEmpty()) {
type = "image/" + type;
setAvatar(data, Q2PSTRING(type));
}
else {
QMessageBox::critical(this, tr("Error"), tr("The selected picture is in an unrecognized format"));
}
}
}
else if (result == clearPicture) {
setAvatar(ByteArray(), "");
}
}
}
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Swift