matrixion/src/dialogs/ImageOverlay.cpp

118 lines
3.7 KiB
C++
Raw Normal View History

/*
* 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 <QDesktopWidget>
#include <QGuiApplication>
#include <QPainter>
#include <QScreen>
#include "dialogs/ImageOverlay.h"
2018-07-17 16:37:25 +03:00
#include "Utils.h"
using namespace dialogs;
ImageOverlay::ImageOverlay(QPixmap image, QWidget *parent)
2017-11-06 00:04:55 +03:00
: QWidget{parent}
, originalImage_{image}
{
2017-09-10 12:59:21 +03:00
setMouseTracking(true);
2020-02-04 06:58:43 +03:00
setParent(nullptr);
2017-09-10 12:59:21 +03:00
setWindowFlags(windowFlags() | Qt::FramelessWindowHint);
2017-09-10 12:59:21 +03:00
setAttribute(Qt::WA_NoSystemBackground, true);
setAttribute(Qt::WA_TranslucentBackground, true);
setAttribute(Qt::WA_DeleteOnClose, true);
setWindowState(Qt::WindowFullScreen);
screen_ = QGuiApplication::primaryScreen()->availableGeometry();
2017-09-10 12:59:21 +03:00
resize(screen_.size());
2017-09-10 12:59:21 +03:00
connect(this, SIGNAL(closing()), this, SLOT(close()));
2017-09-10 12:59:21 +03:00
raise();
}
2017-08-20 13:47:22 +03:00
void
ImageOverlay::paintEvent(QPaintEvent *event)
{
2017-09-10 12:59:21 +03:00
Q_UNUSED(event);
2017-09-10 12:59:21 +03:00
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
2017-09-10 12:59:21 +03:00
// Full screen overlay.
painter.fillRect(QRect(0, 0, screen_.width(), screen_.height()), QColor(55, 55, 55, 170));
2017-09-10 12:59:21 +03:00
// Left and Right margins
int outer_margin = screen_.width() * 0.12;
int buttonSize = 36;
int margin = outer_margin * 0.1;
2017-09-10 12:59:21 +03:00
int max_width = screen_.width() - 2 * outer_margin;
int max_height = screen_.height();
image_ = utils::scaleDown(max_width, max_height, originalImage_);
2017-09-10 12:59:21 +03:00
int diff_x = max_width - image_.width();
int diff_y = max_height - image_.height();
2017-09-10 12:59:21 +03:00
content_ = QRect(outer_margin + diff_x / 2, diff_y / 2, image_.width(), image_.height());
close_button_ =
QRect(screen_.width() - margin - buttonSize, margin, buttonSize, buttonSize);
save_button_ =
QRect(screen_.width() - (2 * margin) - (2 * buttonSize), margin, buttonSize, buttonSize);
2017-09-10 12:59:21 +03:00
// Draw main content_.
painter.drawPixmap(content_, image_);
2017-09-10 12:59:21 +03:00
// Draw top right corner X.
QPen pen;
pen.setCapStyle(Qt::RoundCap);
pen.setWidthF(5);
pen.setColor("gray");
2017-09-10 12:59:21 +03:00
auto center = close_button_.center();
2017-09-10 12:59:21 +03:00
painter.setPen(pen);
painter.drawLine(center - QPointF(15, 15), center + QPointF(15, 15));
painter.drawLine(center + QPointF(15, -15), center - QPointF(15, -15));
// Draw download button
center = save_button_.center();
painter.drawLine(center - QPointF(0, 15), center + QPointF(0, 15));
painter.drawLine(center - QPointF(15, 0), center + QPointF(0, 15));
painter.drawLine(center + QPointF(0, 15), center + QPointF(15, 0));
}
2017-08-20 13:47:22 +03:00
void
ImageOverlay::mousePressEvent(QMouseEvent *event)
{
2017-09-10 12:59:21 +03:00
if (event->button() != Qt::LeftButton)
return;
2017-09-10 12:59:21 +03:00
if (close_button_.contains(event->pos()))
emit closing();
else if (save_button_.contains(event->pos()))
emit saving();
2017-09-10 12:59:21 +03:00
else if (!content_.contains(event->pos()))
emit closing();
}