ModelView::ColorEditor Class Reference

Custom editor for QVariant based on QColor. More...

Inheritance diagram for ModelView::ColorEditor:

Collaboration diagram for ModelView::ColorEditor:

Public Slots
void	setData (const QVariant &data)
	Sets the data from model to editor. More...

Signals
void	dataChanged (QVariant value)
	Emmits signal when data was changed in an editor. More...

Public Member Functions
	ColorEditor (QWidget *parent=nullptr)
QVariant	data () const
virtual bool	is_persistent () const
	Returns true if editor should remains alive after editing finished. More...

Protected Member Functions
void	mousePressEvent (QMouseEvent *event) override
void	setDataIntern (const QVariant &data)
	Saves the data as given by editor's internal components and notifies the model. More...

Protected Attributes
QVariant	m_data

Properties
QVariant	value

Private Member Functions
QColor	currentColor () const
void	update_components () override
	Should update widget components from m_data, if necessary. More...

Private Attributes
LostFocusFilter *	m_focusFilter
QLabel *	m_pixmapLabel {nullptr}
QLabel *	m_textLabel {nullptr}

Detailed Description

Custom editor for QVariant based on QColor.

Definition at line 28 of file coloreditor.h.

Constructor & Destructor Documentation

ColorEditor()

ColorEditor::ColorEditor ( QWidget *  parent = nullptr )

explicit

Definition at line 26 of file coloreditor.cpp.

    : CustomEditor(parent), m_pixmapLabel(new QLabel), m_focusFilter(new LostFocusFilter(this))
 
{
    setMouseTracking(true);
    setAutoFillBackground(true);
 
    auto layout = new QHBoxLayout;
    layout->setContentsMargins(4, 0, 0, 0);
 
    layout->addWidget(m_pixmapLabel);
    //    layout->addWidget(m_textLabel); // no color name, only color rectangle
    layout->addStretch(1);
    setFocusPolicy(Qt::StrongFocus);
    setAttribute(Qt::WA_InputMethodEnabled);
 
    setLayout(layout);
}

References m_pixmapLabel.

Member Function Documentation

currentColor()

QColor ColorEditor::currentColor ( ) const

private

Definition at line 60 of file coloreditor.cpp.

{
    return m_data.value<QColor>();
}

References ModelView::CustomEditor::m_data.

Referenced by mousePressEvent(), and update_components().

data()

QVariant CustomEditor::data ( ) const

inherited

Definition at line 21 of file customeditor.cpp.

{
    return m_data;
}

References ModelView::CustomEditor::m_data.

Referenced by ModelView::CustomEditor::setData(), and ModelView::CustomEditor::setDataIntern().

dataChanged

void ModelView::CustomEditor::dataChanged ( QVariant  value )

signalinherited

Emmits signal when data was changed in an editor.

Referenced by ModelView::PropertyFlatView::PropertyFlatViewImpl::create_editor(), ModelView::ViewModelDelegate::createEditor(), and ModelView::CustomEditor::setDataIntern().

is_persistent()

bool CustomEditor::is_persistent ( ) const

virtualinherited

Returns true if editor should remains alive after editing finished.

Reimplemented in ModelView::SelectableComboBoxEditor, ModelView::ScientificSpinBoxEditor, ModelView::ComboPropertyEditor, and ModelView::BoolEditor.

Definition at line 28 of file customeditor.cpp.

{
    return false;
}

mousePressEvent()

void ColorEditor::mousePressEvent ( QMouseEvent *  event )

overrideprotected

Definition at line 45 of file coloreditor.cpp.

{
    // temporarily installing filter to prevent loss of focus caused by too insistent dialog
    installEventFilter(m_focusFilter);
 
    auto new_color = QColorDialog::getColor(currentColor());
 
    removeEventFilter(m_focusFilter);
 
    if (new_color.isValid()) {
        setDataIntern(new_color);
        update_components();
    }
}

References currentColor(), m_focusFilter, ModelView::CustomEditor::setDataIntern(), and update_components().

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setData

void CustomEditor::setData ( const QVariant &  data )

slotinherited

Sets the data from model to editor.

Definition at line 35 of file customeditor.cpp.

{
    m_data = data;
    update_components();
}

References ModelView::CustomEditor::data(), ModelView::CustomEditor::m_data, and ModelView::CustomEditor::update_components().

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setDataIntern()

void CustomEditor::setDataIntern ( const QVariant &  data )

protectedinherited

Saves the data as given by editor's internal components and notifies the model.

Definition at line 43 of file customeditor.cpp.

{
    m_data = data;
    dataChanged(m_data);
}

References ModelView::CustomEditor::data(), ModelView::CustomEditor::dataChanged(), and ModelView::CustomEditor::m_data.

Referenced by mousePressEvent(), ModelView::BoolEditor::onCheckBoxChange(), ModelView::DoubleEditor::onEditingFinished(), ModelView::IntegerEditor::onEditingFinished(), ModelView::ScientificDoubleEditor::onEditingFinished(), ModelView::ScientificSpinBoxEditor::onEditingFinished(), ModelView::ComboPropertyEditor::onIndexChanged(), ModelView::ExternalPropertyComboEditor::onIndexChanged(), and ModelView::SelectableComboBoxEditor::onModelDataChanged().

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update_components()

void ColorEditor::update_components ( )

overrideprivatevirtual

Should update widget components from m_data, if necessary.

Implements ModelView::CustomEditor.

Definition at line 65 of file coloreditor.cpp.

{
    if (!Utils::IsColorVariant(m_data))
        throw std::runtime_error("ColorEditor::update_components() -> Error. Wrong variant type");
 
    QPixmap pixmap(Style::DefaultPixmapSize(), Style::DefaultPixmapSize());
    pixmap.fill(currentColor());
    //    m_textLabel->setText(currentColor().name());
    m_pixmapLabel->setPixmap(pixmap);
}

References currentColor(), ModelView::Style::DefaultPixmapSize(), ModelView::Utils::IsColorVariant(), ModelView::CustomEditor::m_data, and m_pixmapLabel.

Referenced by mousePressEvent().

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Member Data Documentation

m_data

QVariant ModelView::CustomEditor::m_data

protectedinherited

Definition at line 48 of file customeditor.h.

Referenced by ModelView::ExternalPropertyEditor::buttonClicked(), currentColor(), ModelView::CustomEditor::data(), ModelView::ComboPropertyEditor::internIndex(), ModelView::ExternalPropertyComboEditor::internIndex(), ModelView::ComboPropertyEditor::internLabels(), ModelView::BoolEditor::onCheckBoxChange(), ModelView::DoubleEditor::onEditingFinished(), ModelView::IntegerEditor::onEditingFinished(), ModelView::ScientificDoubleEditor::onEditingFinished(), ModelView::ScientificSpinBoxEditor::onEditingFinished(), ModelView::ComboPropertyEditor::onIndexChanged(), ModelView::ExternalPropertyComboEditor::onIndexChanged(), ModelView::SelectableComboBoxEditor::onModelDataChanged(), ModelView::CustomEditor::setData(), ModelView::CustomEditor::setDataIntern(), ModelView::BoolEditor::update_components(), update_components(), ModelView::DoubleEditor::update_components(), ModelView::ExternalPropertyEditor::update_components(), ModelView::IntegerEditor::update_components(), ModelView::ScientificDoubleEditor::update_components(), ModelView::ScientificSpinBoxEditor::update_components(), ModelView::SelectableComboBoxEditor::update_components(), and ModelView::SelectableComboBoxEditor::updateBoxLabel().

m_focusFilter

LostFocusFilter* ModelView::ColorEditor::m_focusFilter

private

Definition at line 43 of file coloreditor.h.

Referenced by mousePressEvent().

m_pixmapLabel

QLabel* ModelView::ColorEditor::m_pixmapLabel {nullptr}

private

Definition at line 42 of file coloreditor.h.

Referenced by ColorEditor(), and update_components().

m_textLabel

QLabel* ModelView::ColorEditor::m_textLabel {nullptr}

private

Definition at line 41 of file coloreditor.h.

Property Documentation

value

QVariant ModelView::CustomEditor::value

readwriteinherited

Definition at line 1 of file customeditor.h.

Referenced by ModelView::BoolEditor::onCheckBoxChange(), ModelView::DoubleEditor::setSingleStep(), and ModelView::BoolEditor::update_components().

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The documentation for this class was generated from the following files:

• /home/www/ba/mvvm/viewmodel/mvvm/editors/coloreditor.h
• /home/www/ba/mvvm/viewmodel/mvvm/editors/coloreditor.cpp