src/ui/objecteditor.cpp

Wed, 25 May 2022 20:36:34 +0300

author
Teemu Piippo <teemu@hecknology.net>
date
Wed, 25 May 2022 20:36:34 +0300
changeset 199
6988973515d2
parent 183
97b591813c8b
child 200
ca23936b455b
permissions
-rw-r--r--

Fix pick() picking from weird places on the screen with high DPI scaling

glReadPixels reads data from the frame buffer, which contains data after
high DPI scaling, so any reads to that need to take this scaling into account

#include <QCheckBox>
#include <QLineEdit>
#include <QFormLayout>
#include "objecteditor.h"
#include "document.h"
#include "modeleditor.h"
#include "widgets/colorbutton.h"
#include "widgets/colorindexinput.h"
#include "widgets/vec3editor.h"
#include "ui_objecteditor.h"

ObjectEditor::ObjectEditor(Document* document, const ldraw::id_t id) :
	QWidget{document},
	ui{*new Ui_ObjectEditor}, 
	document{document}
{
	this->ui.setupUi(this);
	this->setObjectId(id);
	QFormLayout* formLayout = new QFormLayout{ui.properties};
	this->ui.properties->setLayout(formLayout);
	for (const ldraw::Property property : ldraw::ALL_PROPERTIES)
	{
		QWidget* editorWidget = this->makeEditorWidgetForProperty(property);
		if (editorWidget != nullptr)
		{
			editorWidget->setProperty("_property_id", static_cast<int>(property));
			QLabel* propertyLabel = new QLabel{ldraw::traits(property).name.data()};
			formLayout->addRow(propertyLabel, editorWidget);
			this->propertyWidgets[property] = {propertyLabel, editorWidget};
		}
	}
	this->setObjectId(ldraw::NULL_ID);
}

ObjectEditor::~ObjectEditor()
{
	delete &this->ui;
}

QString titleCase(const QString& string)
{
	return string.left(1).toUpper() + string.mid(1);
}

void setValueToWidget(QWidget* widget, const QVariant& value)
{
	ColorIndexInput* colorIndexInput = qobject_cast<ColorIndexInput*>(widget);
	if (colorIndexInput != nullptr)
	{
		colorIndexInput->setSelectedColor(value.value<ldraw::Color>());
	}
	else
	{
		Vec3Editor* vec3Editor = qobject_cast<Vec3Editor*>(widget);
		if (vec3Editor != nullptr)
		{
			vec3Editor->setValue(value.value<glm::vec3>());
		}
		else
		{
			QCheckBox* checkBox = qobject_cast<QCheckBox*>(widget);
			if (checkBox != nullptr)
			{
				checkBox->setChecked(value.toBool());
			}
			else
			{
				QLineEdit* lineEdit = qobject_cast<QLineEdit*>(widget);
				if (lineEdit != nullptr)
				{
					lineEdit->setText(value.toString());
				}
			}
		}
	}
}

void ObjectEditor::setObjectId(const ldraw::id_t id)
{
	this->objectId = id;
	const ldraw::Object* object = this->document->getModel().get(id);
	this->ui.properties->setEnabled(object != nullptr);
	if (object != nullptr)
	{
		this->ui.typeNameLabel->setText("<b>" + titleCase(object->typeName()) + "</b>");
		this->ui.typeIconLabel->setPixmap(QPixmap{object->iconName()}.scaledToWidth(24));
		for (const ldraw::Property property : ldraw::ALL_PROPERTIES)
		{
			const QVariant value = object->getProperty(property);
			const auto it = this->propertyWidgets.find(property);
			if (it != this->propertyWidgets.end())
			{
				it->first->setEnabled(not value.isNull());
				it->second->setEnabled(not value.isNull());
				if (not value.isNull())
				{
					setValueToWidget(it->second, value);
				}
			}
		}
	}
	else
	{
		this->ui.typeNameLabel->setText(tr("No object selected"));
		this->ui.typeIconLabel->clear();
	}
}

void ObjectEditor::handleColorChange(ldraw::Color value)
{
	this->handlePropertyChange(this->sender(), QVariant::fromValue(value));
}

void ObjectEditor::handleVec3Change(const glm::vec3 &value)
{
	this->handlePropertyChange(this->sender(), QVariant::fromValue(value));
}

void ObjectEditor::handleBoolChange(bool value)
{
	this->handlePropertyChange(this->sender(), QVariant::fromValue(value));
}

void ObjectEditor::handleStringChange(const QString &value)
{
	this->handlePropertyChange(this->sender(), QVariant::fromValue(value));
}

QWidget* ObjectEditor::makeEditorWidgetForProperty(ldraw::Property property)
{
	QWidget* const parent = qobject_cast<QWidget*>(this->parent());
	if (ldraw::traits(property).type == qMetaTypeId<ldraw::Color>())
	{
		ColorIndexInput* colorWidget = new ColorIndexInput{this->document, {0}, parent};
		connect(colorWidget, &ColorIndexInput::colorChanged, this, &ObjectEditor::handleColorChange);
		return colorWidget;
	}
	else if (ldraw::traits(property).type == qMetaTypeId<glm::vec3>())
	{
		Vec3Editor* editor = new Vec3Editor{{}, parent};
		connect(editor, &Vec3Editor::valueChanged, this, &ObjectEditor::handleVec3Change);
		return editor;
	}
	else if (ldraw::traits(property).type == qMetaTypeId<bool>())
	{
		QCheckBox* editor = new QCheckBox{{}, parent};
		connect(editor, &QCheckBox::clicked, this, &ObjectEditor::handleBoolChange);
		return editor;
	}
	else if (ldraw::traits(property).type == qMetaTypeId<QString>())
	{
		QLineEdit* editor = new QLineEdit{{}, parent};
		connect(editor, &QLineEdit::textChanged, this, &ObjectEditor::handleStringChange);
		return editor;
	}
	else
	{
		return nullptr;
	}
}

void ObjectEditor::handlePropertyChange(QObject *caller, const QVariant &value)
{
	QVariant propertyVariant = caller->property("_property_id");
	if (not propertyVariant.isNull())
	{
		ldraw::Property const property = static_cast<ldraw::Property>(propertyVariant.toInt());
		this->document->editModel()->setObjectProperty(this->objectId, property, value);
	}
}

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