147 lines
4.4 KiB
C++
147 lines
4.4 KiB
C++
/************************************************************************
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**
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** @file vtextproperty.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 27 10, 2020
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**
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** @brief
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** @copyright
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** All rights reserved. This program and the accompanying materials
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** are made available under the terms of the GNU Lesser General Public License
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** (LGPL) version 2.1 which accompanies this distribution, and is available at
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** http://www.gnu.org/licenses/lgpl-2.1.html
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**
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** This library is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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** Lesser General Public License for more details.
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**
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*************************************************************************/
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#include "vtextproperty.h"
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#include "../vproperty_p.h"
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#include "../vmisc/compatibility.h"
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#include <QPlainTextEdit>
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#include <QTextEdit>
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namespace
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{
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//---------------------------------------------------------------------------------------------------------------------
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void SetTabStopDistance(QPlainTextEdit *edit, int tabWidthChar=4);
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void SetTabStopDistance(QPlainTextEdit *edit, int tabWidthChar)
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{
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const auto fontMetrics = edit->fontMetrics();
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const QString testString(" ");
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#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
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const int singleCharWidth = fontMetrics.width(testString);
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edit->setTabStopWidth(tabWidthChar * singleCharWidth);
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#else
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// compute the size of a char in double-precision
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static constexpr int bigNumber = 1000; // arbitrary big number.
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const int many_char_width = TextWidth(fontMetrics, testString.repeated(bigNumber));
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const double singleCharWidthDouble = many_char_width / double(bigNumber);
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// set the tab stop with double precision
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edit->setTabStopDistance(tabWidthChar * singleCharWidthDouble);
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#endif
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}
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}
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VPE::VTextProperty::VTextProperty(const QString &name, const QMap<QString, QVariant> &settings)
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: VProperty(name, QVariant::String),
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readOnly(false)
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{
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VProperty::setSettings(settings);
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d_ptr->VariantValue.setValue(QString());
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d_ptr->VariantValue.convert(QVariant::String);
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}
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VPE::VTextProperty::VTextProperty(const QString &name)
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: VProperty(name),
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readOnly(false)
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{
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d_ptr->VariantValue.setValue(QString());
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d_ptr->VariantValue.convert(QVariant::String);
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}
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QWidget *VPE::VTextProperty::createEditor(QWidget *parent, const QStyleOptionViewItem &options,
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const QAbstractItemDelegate *delegate)
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{
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Q_UNUSED(options)
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Q_UNUSED(delegate)
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QPlainTextEdit* tmpEditor = new QPlainTextEdit(parent);
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tmpEditor->setLocale(parent->locale());
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tmpEditor->setReadOnly(readOnly);
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tmpEditor->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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tmpEditor->setPlainText(d_ptr->VariantValue.toString());
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SetTabStopDistance(tmpEditor);
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d_ptr->editor = tmpEditor;
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return d_ptr->editor;
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}
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bool VPE::VTextProperty::setEditorData(QWidget *editor)
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{
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if (QPlainTextEdit* tmpWidget = qobject_cast<QPlainTextEdit*>(editor))
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{
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tmpWidget->setPlainText(d_ptr->VariantValue.toString());
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return true;
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}
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return false;
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}
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QVariant VPE::VTextProperty::getEditorData(const QWidget *editor) const
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{
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const QPlainTextEdit* tmpEditor = qobject_cast<const QPlainTextEdit*>(editor);
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if (tmpEditor)
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{
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return tmpEditor->toPlainText();
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}
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return QVariant(QString());
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}
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void VPE::VTextProperty::setReadOnly(bool readOnly)
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{
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this->readOnly = readOnly;
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}
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void VPE::VTextProperty::setSetting(const QString &key, const QVariant &value)
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{
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if (key == QLatin1String("ReadOnly"))
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{
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setReadOnly(value.toBool());
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}
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}
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QVariant VPE::VTextProperty::getSetting(const QString &key) const
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{
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if (key == QLatin1String("ReadOnly"))
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{
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return readOnly;
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}
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else
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return VProperty::getSetting(key);
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}
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QStringList VPE::VTextProperty::getSettingKeys() const
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{
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QStringList settings;
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settings << QStringLiteral("ReadOnly");
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return settings;
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}
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QString VPE::VTextProperty::type() const
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{
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return QStringLiteral("string");
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}
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VPE::VProperty *VPE::VTextProperty::clone(bool include_children, VPE::VProperty *container) const
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{
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return VProperty::clone(include_children, container ? container : new VTextProperty(getName(), getSettings()));
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}
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