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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/>.
*/
#include <QApplication>
#include <QBuffer>
#include <QDebug>
#include <QFile>
#include <QFileInfo>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include "Config.h"
#include "dialogs/PreviewImageOverlay.h"
using namespace dialogs;
static constexpr const char *DEFAULT = "Upload image?";
static constexpr const char *ERROR = "Failed to load image type '%1'. Continue upload?";
PreviewImageOverlay::PreviewImageOverlay(QWidget *parent)
: QWidget{parent}
, titleLabel_{tr(DEFAULT), this}
, imageLabel_{this}
, imageName_{tr("clipboard"), this}
, upload_{tr("Upload"), this}
, cancel_{tr("Cancel"), this}
{
auto hlayout = new QHBoxLayout;
hlayout->addWidget(&upload_);
hlayout->addWidget(&cancel_);
auto vlayout = new QVBoxLayout{this};
vlayout->addWidget(&titleLabel_);
vlayout->addWidget(&imageLabel_);
vlayout->addWidget(&imageName_);
vlayout->addLayout(hlayout);
connect(&upload_, &QPushButton::clicked, [&]() {
emit confirmImageUpload(imageData_, imageName_.text());
close();
});
connect(&cancel_, &QPushButton::clicked, [&]() { close(); });
}
void
PreviewImageOverlay::init()
{
auto window = QApplication::activeWindow();
auto winsize = window->frameGeometry().size();
auto center = window->frameGeometry().center();
auto img_size = image_.size();
imageName_.setText(QFileInfo{imagePath_}.fileName());
setAutoFillBackground(true);
setWindowFlags(Qt::Tool | Qt::WindowStaysOnTopHint);
setWindowModality(Qt::WindowModal);
titleLabel_.setStyleSheet(
QString{"font-weight: bold; font-size: %1px;"}.arg(conf::headerFontSize));
titleLabel_.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
titleLabel_.setAlignment(Qt::AlignCenter);
imageLabel_.setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
imageLabel_.setAlignment(Qt::AlignCenter);
imageName_.setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
imageName_.setAlignment(Qt::AlignCenter);
upload_.setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
cancel_.setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
upload_.setFontSize(conf::btn::fontSize);
cancel_.setFontSize(conf::btn::fontSize);
// Scale image preview to the size of the current window if it is larger.
if ((img_size.height() * img_size.width()) > (winsize.height() * winsize.width())) {
imageLabel_.setPixmap(image_.scaled(winsize, Qt::KeepAspectRatio));
} else {
imageLabel_.setPixmap(image_);
move(center.x() - (width() * 0.5), center.y() - (height() * 0.5));
}
imageLabel_.setScaledContents(false);
raise();
}
void
PreviewImageOverlay::setImageAndCreate(const QByteArray data, const QString &type)
{
imageData_ = data;
imagePath_ = "clipboard." + type;
auto loaded = image_.loadFromData(imageData_);
if (!loaded) {
titleLabel_.setText(QString{tr(ERROR)}.arg(type));
} else {
titleLabel_.setText(tr(DEFAULT));
}
init();
}
void
PreviewImageOverlay::setImageAndCreate(const QString &path)
{
QFile file{path};
imagePath_ = path;
if (!file.open(QIODevice::ReadOnly)) {
qWarning() << "Failed to open image from:" << path;
qWarning() << "Reason:" << file.errorString();
close();
return;
}
if ((imageData_ = file.readAll()).isEmpty()) {
qWarning() << "Failed to read image:" << file.errorString();
close();
return;
}
auto loaded = image_.loadFromData(imageData_);
if (!loaded) {
auto t = QFileInfo{path}.suffix();
titleLabel_.setText(QString{tr(ERROR)}.arg(t));
} else {
titleLabel_.setText(tr(DEFAULT));
}
init();
}
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