diff --git a/src/ImageItem.cc b/src/ImageItem.cc
index 0a2b62f2..d03e41b5 100644
--- a/src/ImageItem.cc
+++ b/src/ImageItem.cc
@@ -23,6 +23,7 @@
#include <QPixmap>
#include "ImageItem.h"
+#include "ImageOverlayDialog.h"
ImageItem::ImageItem(QSharedPointer<MatrixClient> client, const Event &event, const QString &body, const QUrl &url, QWidget *parent)
: QWidget(parent)
@@ -121,10 +122,12 @@ void ImageItem::mousePressEvent(QMouseEvent *event)
auto point = event->pos();
// Click on the text box.
- if (QRect(0, height_ - bottom_height_, width_, bottom_height_).contains(point))
+ if (QRect(0, height_ - bottom_height_, width_, bottom_height_).contains(point)) {
openUrl();
- else
- qDebug() << "Opening image overlay. Not implemented yet.";
+ } else {
+ auto image_dialog = new ImageOverlayDialog(image_, this);
+ image_dialog->show();
+ }
}
void ImageItem::resizeEvent(QResizeEvent *event)
diff --git a/src/ImageOverlayDialog.cc b/src/ImageOverlayDialog.cc
new file mode 100644
index 00000000..0fe1c0e4
--- /dev/null
+++ b/src/ImageOverlayDialog.cc
@@ -0,0 +1,116 @@
+/*
+ * 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 <QDebug>
+#include <QPainter>
+
+#include "ImageOverlayDialog.h"
+
+ImageOverlayDialog::ImageOverlayDialog(QPixmap image, QWidget *parent)
+ : QDialog{parent}
+ , image_{image}
+{
+ setMouseTracking(true);
+ setModal(false);
+
+ setWindowFlags(windowFlags() | Qt::FramelessWindowHint);
+
+ setAttribute(Qt::WA_NoSystemBackground, true);
+ setAttribute(Qt::WA_TranslucentBackground, true);
+ setAttribute(Qt::WA_DeleteOnClose, true);
+
+ setWindowState(Qt::WindowFullScreen);
+
+ raise();
+}
+
+// TODO: Move this into Utils
+void ImageOverlayDialog::scaleImage(int max_width, int max_height)
+{
+ if (image_.isNull())
+ return;
+
+ auto width_ratio = (double)max_width / (double)image_.width();
+ auto height_ratio = (double)max_height / (double)image_.height();
+
+ auto min_aspect_ratio = std::min(width_ratio, height_ratio);
+
+ int final_width = 0;
+ int final_height = 0;
+
+ if (min_aspect_ratio > 1) {
+ final_width = image_.width();
+ final_height = image_.height();
+ } else {
+ final_width = image_.width() * min_aspect_ratio;
+ final_height = image_.height() * min_aspect_ratio;
+ }
+
+ image_ = image_.scaled(final_width, final_height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+}
+
+void ImageOverlayDialog::paintEvent(QPaintEvent *event)
+{
+ Q_UNUSED(event);
+
+ QPainter painter(this);
+ painter.setRenderHint(QPainter::Antialiasing);
+
+ // Full screen overlay.
+ painter.fillRect(rect(), QColor(55, 55, 55, 170));
+
+ // Left and Right margins
+ int outer_margin = rect().width() * 0.12;
+ int buttonSize = 36;
+ int margin = outer_margin * 0.1;
+
+ int max_width = rect().width() - 2 * outer_margin;
+ int max_height = rect().height();
+
+ scaleImage(max_width, max_height);
+
+ int diff_x = max_width - image_.width();
+ int diff_y = max_height - image_.height();
+
+ content_ = QRect(outer_margin + diff_x / 2, diff_y / 2, image_.width(), image_.height());
+ close_button_ = QRect(rect().width() - margin - buttonSize, margin, buttonSize, buttonSize);
+
+ // Draw main content_.
+ painter.drawPixmap(content_, image_);
+
+ // Draw top right corner X.
+ QPen pen;
+ pen.setCapStyle(Qt::RoundCap);
+ pen.setWidthF(5);
+ pen.setColor("gray");
+
+ auto center = close_button_.center();
+
+ painter.setPen(pen);
+ painter.drawLine(center - QPointF(15, 15), center + QPointF(15, 15));
+ painter.drawLine(center + QPointF(15, -15), center - QPointF(15, -15));
+}
+
+void ImageOverlayDialog::mousePressEvent(QMouseEvent *event)
+{
+ if (event->button() != Qt::LeftButton)
+ return;
+
+ // FIXME: The main window needs double click to regain focus.
+ if (close_button_.contains(event->pos()))
+ close();
+}
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