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/*****************************************************************************
* $CAMITK_LICENCE_BEGIN$
*
* CamiTK - Computer Assisted Medical Intervention ToolKit
* (c) 2001-2025 Univ. Grenoble Alpes, CNRS, Grenoble INP - UGA, TIMC, 38000 Grenoble, France
*
* Visit http://camitk.imag.fr for more information
*
* This file is part of CamiTK.
*
* CamiTK is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* CamiTK 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 Lesser General Public License version 3 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with CamiTK. If not, see <http://www.gnu.org/licenses/>.
*
* $CAMITK_LICENCE_END$
****************************************************************************/
#include "SplashScreen.h"
#include "Core.h"
#include <QCoreApplication>
#include <QVBoxLayout>
#include <QRegularExpression>
using namespace camitk;
// -------------------- Constructor --------------------
SplashScreen::SplashScreen(QWidget* parent) : QWidget(parent) {
setFixedSize(450, 200);
setWindowFlags(Qt::FramelessWindowHint);
// full background (so it does not look like a regular widget)
// note: using the same gradient as the 3D viewer
setStyleSheet(R"(
QWidget {
background: qlineargradient(
spread:pad,
x1:0, y1:0, x2:0, y2:1,
stop:0 white,
stop:1 rgb(210, 210, 235)
);
}
)");
// Main layout
QVBoxLayout* mainLayout = new QVBoxLayout(this);
mainLayout->setSpacing(10);
mainLayout->setContentsMargins(20, 30, 20, 20);
// Top widget for gradient + logo/text
QWidget* titleWidget = new QWidget(this);
titleWidget->setFixedHeight(100);
// topHalf->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
titleWidget->setAttribute(Qt::WA_TranslucentBackground); // so that the full background gradient is not visible
// App name + version and logo layout
QLabel* appNameLabel = new QLabel(QCoreApplication::applicationName());
QFont appNameFont = appNameLabel->font();
appNameFont.setPointSize(24);
appNameFont.setBold(true);
appNameLabel->setFont(appNameFont);
appNameLabel->setAlignment(Qt::AlignCenter);
appNameLabel->setAttribute(Qt::WA_TranslucentBackground);
QString version = QString(Core::version()).replace(QRegularExpression(R"(\w+ ([0-9]+\.[0-9]+\.\w+).*)"), R"(\1)");
QLabel* versionLabel = new QLabel(version);
QFont versionFont = versionLabel->font();
versionFont.setPointSize(11);
versionLabel->setFont(versionFont);
versionLabel->setAlignment(Qt::AlignCenter);
versionLabel->setAttribute(Qt::WA_TranslucentBackground);
QVBoxLayout* appNameLayout = new QVBoxLayout();
appNameLayout->setContentsMargins(20, 15, 20, 15); // Set margins to add space at the top and bottom
appNameLayout->setSpacing(5); // Small spacing between title and subtitle
appNameLayout->setAlignment(Qt::AlignCenter);
appNameLayout->addWidget(appNameLabel);
appNameLayout->addWidget(versionLabel);
QLabel* logo = new QLabel;
QPixmap pixmap(":/camiTKSmallIcon");
logo->setPixmap(pixmap.scaled(50, 50, Qt::KeepAspectRatio, Qt::SmoothTransformation));
logo->setAttribute(Qt::WA_TranslucentBackground);
QHBoxLayout* titleLayout = new QHBoxLayout();
titleLayout->setAlignment(Qt::AlignCenter);
titleLayout->addLayout(appNameLayout);
titleLayout->addSpacing(10);
titleLayout->addWidget(logo);
titleWidget->setLayout(titleLayout);
// Progress bar
progressBar = new QProgressBar();
progressBar->setFixedHeight(30);
progressBar->setFixedWidth(int(width() * 0.8));
progressBar->setRange(0, 100);
progressBar->setValue(0);
// Message label
messageLabel = new QLabel("Starting...");
messageLabel->setAlignment(Qt::AlignCenter);
messageLabel->setAttribute(Qt::WA_TranslucentBackground);
messageLabel->setWordWrap(true);
mainLayout->addWidget(titleWidget);
mainLayout->addWidget(progressBar, 0, Qt::AlignCenter);
mainLayout->addWidget(messageLabel);
}
// -------------------- setProgress --------------------
void SplashScreen::setProgress(int value) {
progressBar->setValue(value);
QCoreApplication::processEvents();
}
/// -------------------- showMessage --------------------
void SplashScreen::showMessage(const QString& message) {
messageLabel->setText(message);
QCoreApplication::processEvents();
}
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