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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 "TextViewer.h"
// -- Core stuff
#include <Application.h>
#include <SettingsDialog.h>
#include <MainWindow.h>
//-- Qt stuff
#include <QHBoxLayout>
using namespace camitk;
// -------------------- Constructor --------------------
TextViewer::TextViewer(QString name) : Viewer(name, Viewer::DOCKED) {
inverse = nullptr;
myMenu = nullptr;
myWidget = nullptr;
displayedTopLevelComponents = 0;
setIcon(QPixmap(":/textviewer"));
setDescription("This text only viewer displays the number of opened components (docked by default)");
propertyObject = new PropertyObject(getName());
Property* property = new Property("Background Color", QColor(Qt::white), "Text background color, modifiable in the TextViewer settings", "");
propertyObject->addProperty(property);
property = new Property("Text Color", QColor(Qt::blue), "Text color, modifiable in the TextViewer settings", "");
propertyObject->addProperty(property);
// propertyObject is monitored by the TextViewer instance (this) when its properties change
propertyObject->installEventFilter(this);
}
// -------------------- Destructor --------------------
TextViewer::~TextViewer() {
delete myWidget;
delete propertyObject;
}
// -------------------- refresh --------------------
void TextViewer::refresh(Viewer*) {
// view everything?
if (displayedTopLevelComponents != (unsigned) Application::getTopLevelComponents().size()) {
// if there the nr of Component changed since last refresh,
// to something!
output->append("There was " + QString::number(displayedTopLevelComponents) + " top-level components");
output->append("Now there is " + QString::number(Application::getTopLevelComponents().size()));
output->append("(" + QString::number(Application::getAllComponents().size()) + " components in total)");
output->append("");
// update the counter
displayedTopLevelComponents = Application::getTopLevelComponents().size();
}
}
// -------------------- getWidget --------------------
QWidget* TextViewer::getWidget() {
if (myWidget == nullptr) {
myWidget = new QWidget();
output = new QTextEdit();
//-- init layout
auto* myWidgetLayout = new QHBoxLayout();
myWidgetLayout->setSpacing(0);
myWidgetLayout->setContentsMargins(0, 0, 0, 0);
//-- add the output text edit
myWidgetLayout->addWidget(output);
myWidget->setLayout(myWidgetLayout);
updateColors();
}
return myWidget;
}
// ---------------------- getPropertyObject ----------------------------
PropertyObject* TextViewer::getPropertyObject() {
// (change the text/background color)
return propertyObject;
}
// -------------------- getMenu --------------------
QMenu* TextViewer::getMenu() {
if (!myMenu) {
//-- create the main menu
myMenu = new QMenu(objectName());
//-- add the action
inverse = new QAction(tr("&Invert Display"), this);
inverse->setCheckable(true);
connect(inverse, SIGNAL(triggered(bool)), this, SLOT(invertColors(bool)));
myMenu->addAction(inverse);
}
return myMenu;
}
// -------------------- invertColors --------------------
void TextViewer::invertColors(bool isInverted) {
QColor oldBackgroundColor = propertyObject->property("Background Color").value<QColor>();
QColor oldTextColor = propertyObject->property("Text Color").value<QColor>();
propertyObject->setProperty("Background Color", oldTextColor);
propertyObject->setProperty("Text Color", oldBackgroundColor);
updateColors();
output->append((isInverted) ? "Inverted colors" : "Normal colors");
}
// -------------------- updateColors --------------------
void TextViewer::updateColors() {
output->setTextColor(propertyObject->property("Text Color").value<QColor>());
output->setTextBackgroundColor(propertyObject->property("Background Color").value<QColor>());
output->append("Colors updated");
}
// ---------------- eventFilter ----------------
bool TextViewer::eventFilter(QObject* object, QEvent* event) {
// watch propertyObject instance for dynamic property changes
if (event->type() == QEvent::DynamicPropertyChange) {
updateColors();
return true;
}
else {
// pass the event on to the parent class
return Viewer::eventFilter(object, event);
}
}
// -------------------- editPreference --------------------
void TextViewer::editPreference() {
SettingsDialog settingsDialog;
settingsDialog.editSettings(propertyObject);
settingsDialog.exec();
updateColors();
}
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