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/*
* Copyright (c) Sebastian Krzyszkowiak <dos@dosowisko.net>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <QtScript/QScriptContext>
#include <KLocalizedString>
#include <QStandardPaths>
#include <KMessageBox>
#include <QtQml/QQmlError>
#include <QtQml/QQmlEngine>
#include <QtQml/QQmlContext>
#include <QtQml/QQmlExpression>
#include <QtQuick/QQuickItem>
#include <QtQuickWidgets/QQuickWidget>
#include <QScriptValueIterator>
#include <KDeclarative/KDeclarative>
#include <QUrl>
#include <QDesktopServices>
#include "mainwindow.h"
#include "settings.h"
// part of QML hack to access script engine in rw mode
void EngineAccess::setEngine(QScriptValue val) {
this->engine = val.engine();
}
// allow QML files to be translated
QScriptValue jsi18n(QScriptContext *context, QScriptEngine *engine) {
Q_UNUSED(engine)
if (context->argumentCount() < 1) {
qWarning() << i18n("i18n() takes at least one argument");
return engine->undefinedValue();
}
KLocalizedString message = ki18n(context->argument(0).toString().toUtf8());
const int numArgs = context->argumentCount();
for (int i = 1; i < numArgs; ++i) {
message = message.subs(context->argument(i).toString());
}
return message.toString();
}
// show error when loading QML failed
void MainWindow::QMLStatus(QQuickWidget::Status status) {
if (status==QQuickWidget::Error) {
QString errors = "";
for (int i=0; i<ui->errors().size(); i++) {
errors += ui->errors()[i].toString() +'\n';
}
KMessageBox::detailedError(this, i18n("Could not load QML interface!"), errors, i18n("Error"), KMessageBox::Dangerous);
close();
}
}
// slot for UI button - scheldule photo to be taken from next processed frame
void MainWindow::takePhoto() {
videoViewer->takeImage();
}
// slot for UI button - play timer sound
void MainWindow::timerCounter(int count) {
//qDebug(QString::number(count).toStdString().c_str());
if ((count==5) && (Settings::soundontimer())) {
videoViewer->media->setCurrentSource(QUrl::fromLocalFile(QStandardPaths::locate(QStandardPaths::GenericDataLocation, "kamerka/timer.ogg")));
videoViewer->media->play();
}
}
// slot for UI button - open file manager
void MainWindow::showDirectory() {
openFile(Settings::photodir());
}
// slot for UI button
void MainWindow::showConfiguration() {
confdial->show();
}
// resize video widget together with window
void MainWindow::resizeEvent(QResizeEvent *e) {
videoViewer->resize(this->size());
if (conf)
conf->setGeometry(QRectF(QPointF(50,50), QPointF(this->size().rwidth()-50,this->size().rheight()-50)));
if (dialog)
dialog->setGeometry(QRectF(QPointF(0,0), QPointF(this->size().rwidth(), dialog->size().rheight())));
QMainWindow::resizeEvent(e);
}
void MainWindow::loadSettings() {
if (videoViewer->thread.running) {
videoViewer->thread.stop();
}
if (videoViewer->thread.start()) {
// if opening V4L device failed:
//KMessageBox::error(this, i18n("Could not connect to V4L device!"), i18n("Error"), KMessageBox::Dangerous);
if (this->isVisible()) {
dialoglabel->setText( i18n("Could not connect to V4L device!") );
kdialog->show();
}
else {
KMessageBox::error(this, i18n("Could not connect to V4L device!"), i18n("Error"), KMessageBox::Dangerous);
}
}
videoViewer->ui->rootObject()->setProperty("burstPhotoNumber", Settings::burstnumphotos());
videoViewer->ui->rootObject()->setProperty("delayBetweenPhotosBurst", Settings::delaybetweenphotos());
videoViewer->ui->rootObject()->setProperty("selftimer", Settings::selftimer());
videoViewer->resize(this->size());
}
void MainWindow::applyEffect(int effect) {
videoViewer->thread.effect = effect;
}
void MainWindow::openFile(QString filename) {
QDesktopServices::openUrl(filename);
}
void MainWindow::tryVideoThread() {
confdial = new SettingsDialog(0, "settings", Settings::self());
if ((videoViewer->thread.running==false) && (videoViewer->thread.start())) {
// if opening V4L device failed:
if (first) {
first = false;
KMessageBox::error(this, i18n("Could not connect to V4L device!"), i18n("Error"), KMessageBox::Dangerous);
}
confdial->setFaceType(KConfigDialog::Plain);
if (confdial->exec()) {
tryVideoThread();
} else {
close();
}
}
else {
this->show();
}
connect(confdial, SIGNAL(settingsChanged(const QString&)), this, SLOT(loadSettings()));
}
void MainWindow::startedCapture(int width, int height) {
qDebug() << QString("Driver is sending image at %1x%2").arg(
QString::number(width), QString::number(height));
if ((width!=Settings::width()) || (height!=Settings::height())) {
dialoglabel->setText(i18n("Requested resolution (%1x%2) was not available. Driver used %3x%4 instead.\nPlease check your configuration.", Settings::width(), Settings::height(), width, height));
kdialog->show();
}
else kdialog->hide();
}
MainWindow::MainWindow() {
// initialize variables
conf = NULL;
confdial = NULL;
dialog = NULL;
videoViewer = new videowidget(this);
// setup user interface
ui = new QQuickWidget(this);
ui->quickWindow()->setColor(Qt::transparent);
ui->setAttribute(Qt::WA_AlwaysStackOnTop);
ui->show();
//ui->setColor(Qt::transparent);
KDeclarative::KDeclarative kdeclarative;
kdeclarative.setDeclarativeEngine(ui->engine());
kdeclarative.setupBindings();
connect(ui, SIGNAL(statusChanged(QQuickWidget::Status)), this, SLOT(QMLStatus(QQuickWidget::Status)));
videoViewer->ui = ui;
videoViewer->show();
QVBoxLayout *layout = new QVBoxLayout();
QWidget *widget = new QWidget(this);
widget->setLayout(layout);
layout->setSpacing(0);
layout->setContentsMargins(0,0,0,0);
widget->show();
this->setCentralWidget(widget);
ui->rootContext()->setContextProperty("fileName", "qrc:/icons/kamerka.png");
ui->setSource(QUrl("qrc:/qml/kamerka.qml"));
// let widgets have transparent background
// ui->setStyleSheet("background: transparent");
videoViewer->setStyleSheet("background: transparent");
// Burst mode settings
videoViewer->ui->rootObject()->setProperty("burstPhotoNumber", Settings::burstnumphotos());
videoViewer->ui->rootObject()->setProperty("delayBetweenPhotosBurst", Settings::delaybetweenphotos());
videoViewer->ui->rootObject()->setProperty("selftimer", Settings::selftimer());
// resize QML UI together with window
ui->setResizeMode(QQuickWidget::SizeRootObjectToView);
// setup info dialog on top of screen
kdialog = new KDialog( this );
kdialog->setButtons( KDialog::Ok );
dialoglabel = new QLabel(kdialog);
dialoglabel->setWordWrap(true);
dialoglabel->setAlignment(Qt::AlignCenter);
kdialog->setMainWidget( dialoglabel );
kdialog->setStyleSheet("QDialog { background-color: rgba(64,64,64,64); border-bottom: 1px solid white; } QLabel { color: white; }");
//dialog = ui->scene()->addWidget(kdialog);
//dialog->hide();
QGraphicsDropShadowEffect* shadow = new QGraphicsDropShadowEffect();
shadow->setOffset(QPointF(0, 0));
shadow->setBlurRadius(8);
kdialog->setGraphicsEffect(shadow);
kdialog->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Maximum);
//kdialog->show();
layout->addWidget(kdialog);
layout->addWidget(ui);
// connect UI button signals to slots in this class
connect(ui->rootObject(), SIGNAL(takePhoto()), this, SLOT(takePhoto()));
connect(ui->rootObject(), SIGNAL(timerCounter(int)), this, SLOT(timerCounter(int)));
connect(ui->rootObject(), SIGNAL(showDirectory()), this, SLOT(showDirectory()));
connect(ui->rootObject(), SIGNAL(showConfiguration()), this, SLOT(showConfiguration()));
connect(ui->rootObject(), SIGNAL(applyEffect(int)), this, SLOT(applyEffect(int)));
connect(ui->rootObject(), SIGNAL(openFile(QString)), this, SLOT(openFile(QString)));
connect(&(videoViewer->thread), SIGNAL(startedCapture(int, int)), this, SLOT(startedCapture(int, int)));
resize(Settings::width(), Settings::height());
// capture from webcam & setup configuration
first = true;
tryVideoThread();
}
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