forked from mirror/nheko
Konstantinos Sideris
8 years ago
parent
4b4035eebc
commit
c9d03b793b
@ -0,0 +1,73 @@ |
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/*
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* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr> |
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* |
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* This program 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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* |
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* This program 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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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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#ifndef TIMELINE_IMAGE_ITEM_H |
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#define TIMELINE_IMAGE_ITEM_H |
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#include <QEvent> |
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#include <QMouseEvent> |
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#include <QSharedPointer> |
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#include <QWidget> |
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#include "MatrixClient.h" |
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class ImageItem : public QWidget |
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{ |
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Q_OBJECT |
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public: |
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ImageItem(QSharedPointer<MatrixClient> client, |
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const Event &event, |
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const QString &body, |
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const QUrl &url, |
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QWidget *parent = nullptr); |
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void setImage(const QPixmap &image); |
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QSize sizeHint() const override; |
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protected: |
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void paintEvent(QPaintEvent *event) override; |
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void mousePressEvent(QMouseEvent *event) override; |
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void resizeEvent(QResizeEvent *event) override; |
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private slots: |
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void imageDownloaded(const QString &event_id, const QPixmap &img); |
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private: |
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void scaleImage(); |
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void openUrl(); |
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int max_width_ = 500; |
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int max_height_ = 300; |
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int width_; |
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int height_; |
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QPixmap scaled_image_; |
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QPixmap image_; |
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QUrl url_; |
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QString text_; |
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int bottom_height_ = 30; |
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Event event_; |
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QSharedPointer<MatrixClient> client_; |
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}; |
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#endif // TIMELINE_IMAGE_ITEM_H
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@ -0,0 +1,175 @@ |
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/*
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* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr> |
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* |
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* This program 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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* |
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* This program 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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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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#include <QBrush> |
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#include <QDebug> |
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#include <QDesktopServices> |
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#include <QImage> |
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#include <QPainter> |
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#include <QPixmap> |
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#include "ImageItem.h" |
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ImageItem::ImageItem(QSharedPointer<MatrixClient> client, const Event &event, const QString &body, const QUrl &url, QWidget *parent) |
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: QWidget(parent) |
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, url_{url} |
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, text_{body} |
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, event_{event} |
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, client_{client} |
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{ |
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setMaximumSize(max_width_, max_height_); |
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setMouseTracking(true); |
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setCursor(Qt::PointingHandCursor); |
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setStyleSheet("background-color: blue"); |
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QList<QString> url_parts = url_.toString().split("mxc://"); |
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if (url_parts.size() != 2) { |
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qDebug() << "Invalid format for image" << url_.toString(); |
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return; |
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} |
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QString media_params = url_parts[1]; |
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url_ = QString("%1/_matrix/media/r0/download/%2").arg(client_.data()->getHomeServer(), media_params); |
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client_.data()->downloadImage(event.eventId(), url_); |
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connect(client_.data(), |
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SIGNAL(imageDownloaded(const QString &, const QPixmap &)), |
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this, |
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SLOT(imageDownloaded(const QString &, const QPixmap &))); |
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} |
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void ImageItem::imageDownloaded(const QString &event_id, const QPixmap &img) |
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{ |
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if (event_id != event_.eventId()) |
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return; |
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setImage(img); |
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} |
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void ImageItem::openUrl() |
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{ |
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if (url_.toString().isEmpty()) |
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return; |
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if (!QDesktopServices::openUrl(url_)) |
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qWarning() << "Could not open url" << url_.toString(); |
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} |
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void ImageItem::scaleImage() |
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{ |
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if (image_.isNull()) |
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return; |
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auto width_ratio = (double)max_width_ / (double)image_.width(); |
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auto height_ratio = (double)max_height_ / (double)image_.height(); |
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auto min_aspect_ratio = std::min(width_ratio, height_ratio); |
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if (min_aspect_ratio > 1) { |
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width_ = image_.width(); |
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height_ = image_.height(); |
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} else { |
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width_ = image_.width() * min_aspect_ratio; |
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height_ = image_.height() * min_aspect_ratio; |
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} |
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setMinimumSize(width_, height_); |
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scaled_image_ = image_.scaled(width_, height_, Qt::IgnoreAspectRatio, Qt::SmoothTransformation); |
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} |
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QSize ImageItem::sizeHint() const |
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{ |
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if (image_.isNull()) |
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return QSize(max_width_, bottom_height_); |
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return QSize(width_, height_); |
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} |
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void ImageItem::setImage(const QPixmap &image) |
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{ |
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image_ = image; |
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scaleImage(); |
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update(); |
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} |
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void ImageItem::mousePressEvent(QMouseEvent *event) |
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{ |
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if (event->button() != Qt::LeftButton) |
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return; |
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if (image_.isNull()) { |
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openUrl(); |
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return; |
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} |
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auto point = event->pos(); |
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// Click on the text box.
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if (QRect(0, height_ - bottom_height_, width_, bottom_height_).contains(point)) |
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openUrl(); |
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else |
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qDebug() << "Opening image overlay. Not implemented yet."; |
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} |
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void ImageItem::resizeEvent(QResizeEvent *event) |
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{ |
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Q_UNUSED(event); |
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scaleImage(); |
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} |
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void ImageItem::paintEvent(QPaintEvent *event) |
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{ |
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Q_UNUSED(event); |
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QPainter painter(this); |
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painter.setRenderHint(QPainter::Antialiasing); |
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QFont font("Open Sans"); |
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font.setPixelSize(12); |
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QFontMetrics metrics(font); |
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int fontHeight = metrics.height(); |
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if (image_.isNull()) { |
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int height = fontHeight + 10; |
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setMinimumSize(max_width_, fontHeight + 10); |
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QString elidedText = metrics.elidedText(text_, Qt::ElideRight, max_width_ - 10); |
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painter.setFont(font); |
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painter.setPen(QPen(QColor(66, 133, 244))); |
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painter.drawText(QPoint(0, height / 2 + 2), elidedText); |
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return; |
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} |
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painter.fillRect(QRect(0, 0, width_, height_), scaled_image_); |
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// Bottom text section
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painter.fillRect(QRect(0, height_ - bottom_height_, width_, bottom_height_), |
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QBrush(QColor(33, 33, 33, 128))); |
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QString elidedText = metrics.elidedText(text_, Qt::ElideRight, width_ - 10); |
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painter.setFont(font); |
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painter.setPen(QPen(QColor("white"))); |
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painter.drawText(QPoint(5, height_ - fontHeight / 2), elidedText); |
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} |
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