ModelView::CollapsibleBar Class Reference

Horizontal collapsible bar, part of CollapsibleListWidget. More...

Inheritance diagram for ModelView::CollapsibleBar:

Collaboration diagram for ModelView::CollapsibleBar:

Public Member Functions
	CollapsibleBar (QWidget *parent=nullptr)
void	setWidget (QWidget *widget, const QString &title)

Protected Member Functions
void	mousePressEvent (QMouseEvent *event) override

Private Member Functions
bool	eventFilter (QObject *obj, QEvent *event) override
	Listens for widget signals and update collapse/expand icon on visibility change. More...
void	updatePixmap ()
	Set pixmap depending from the visibility of the widget. More...

Private Attributes
QWidget *	m_controlledWidget {nullptr}
QLabel *	m_pixmapLabel {nullptr}
QLabel *	m_titleLabel {nullptr}

Detailed Description

Horizontal collapsible bar, part of CollapsibleListWidget.

Intended for placement into the QSplitter, makes client widget visible/invisible on clicks.

Definition at line 29 of file collapsiblebar.h.

Constructor & Destructor Documentation

CollapsibleBar()

CollapsibleBar::CollapsibleBar

(

QWidget *

parent = nullptr

)

Definition at line 25 of file collapsiblebar.cpp.

    : QFrame(parent), m_pixmapLabel(new QLabel), m_titleLabel(new QLabel)
{
    m_pixmapLabel->setPixmap(QPixmap(":/icons/chevron-down.svg"));
 
    auto layout = new QHBoxLayout(this);
    layout->setContentsMargins(0, 4, 0, 0);
 
    layout->addWidget(m_pixmapLabel, Qt::AlignLeft);
    layout->addWidget(m_titleLabel, Qt::AlignCenter);
 
    setFixedHeight(ModelView::Utils::HeightOfLetterM() * 2);
    setFrameStyle(QFrame::StyledPanel | QFrame::Raised);
}

References ModelView::Utils::HeightOfLetterM(), m_pixmapLabel, and m_titleLabel.

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Member Function Documentation

eventFilter()

bool CollapsibleBar::eventFilter ( QObject *  obj, QEvent *  event  )

overrideprivate

Listens for widget signals and update collapse/expand icon on visibility change.

Definition at line 57 of file collapsiblebar.cpp.

{
    bool is_event_of_interest = (event->type() == QEvent::Show || event->type() == QEvent::Hide);
    if (obj == m_controlledWidget && is_event_of_interest)
        updatePixmap();
    return QObject::eventFilter(obj, event);
}

References m_controlledWidget, and updatePixmap().

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mousePressEvent()

void CollapsibleBar::mousePressEvent ( QMouseEvent *  event )

overrideprotected

Definition at line 48 of file collapsiblebar.cpp.

{
    if (event->button() == Qt::LeftButton)
        m_controlledWidget->setHidden(m_controlledWidget->isVisible());
    updatePixmap();
}

References m_controlledWidget, and updatePixmap().

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setWidget()

void CollapsibleBar::setWidget	(	QWidget *	widget,
		const QString &	title
	)

Definition at line 40 of file collapsiblebar.cpp.

{
    m_controlledWidget = widget;
    m_titleLabel->setText(title);
    widget->installEventFilter(this);
    updatePixmap();
}

References m_controlledWidget, m_titleLabel, and updatePixmap().

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updatePixmap()

void CollapsibleBar::updatePixmap ( )

private

Set pixmap depending from the visibility of the widget.

Definition at line 67 of file collapsiblebar.cpp.

{
    if (m_controlledWidget->isVisible()) {
        m_pixmapLabel->setPixmap(QPixmap(":/icons/chevron-down.svg"));
        setFrameStyle(QFrame::StyledPanel);
    } else {
        m_pixmapLabel->setPixmap(QPixmap(":/icons/chevron-right.svg"));
        setFrameStyle(QFrame::StyledPanel | QFrame::Raised);
    }
}

References m_controlledWidget, and m_pixmapLabel.

Referenced by eventFilter(), mousePressEvent(), and setWidget().

Member Data Documentation

m_controlledWidget

QWidget* ModelView::CollapsibleBar::m_controlledWidget {nullptr}

private

Definition at line 44 of file collapsiblebar.h.

Referenced by eventFilter(), mousePressEvent(), setWidget(), and updatePixmap().

m_pixmapLabel

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

private

Definition at line 45 of file collapsiblebar.h.

Referenced by CollapsibleBar(), and updatePixmap().

m_titleLabel

QLabel* ModelView::CollapsibleBar::m_titleLabel {nullptr}

private

Definition at line 46 of file collapsiblebar.h.

Referenced by CollapsibleBar(), and setWidget().

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

• /home/www/ba/mvvm/view/mvvm/widgets/collapsiblebar.h
• /home/www/ba/mvvm/view/mvvm/widgets/collapsiblebar.cpp