dockbutton.cpp

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#include "dockbutton.h"
 
#include <QPainter>
#include <QStyleOptionButton>
#include <QStylePainter>
 
QX_DOCK_BEGIN_NAMESPACE
 
class DockButtonPrivate
{
public:
    QX_DECLARE_PUBLIC(DockButton)
public:
    DockButtonPrivate();
public:
    DockButton::Orientation m_orientation = DockButton::Horizontal;
};
 
DockButtonPrivate::DockButtonPrivate()
{
}
 
DockButton::DockButton(QWidget *parent)
    : QPushButton(parent)
{
    QX_INIT_PRIVATE(DockButton);
}
 
DockButton::~DockButton()
{
    QX_FINI_PRIVATE();
}
 
QSize DockButton::sizeHint() const
{
    Q_D(const DockButton);
    QSize sh = QPushButton::sizeHint();
 
    if (d->m_orientation != DockButton::Horizontal) {
        // Swaps the width and height values
        sh.transpose();
    }
 
    return sh;
}
 
DockButton::Orientation DockButton::buttonOrientation() const
{
    Q_D(const DockButton);
    return d->m_orientation;
}
 
void DockButton::setButtonOrientation(DockButton::Orientation orientation)
{
    Q_D(DockButton);
    if (d->m_orientation == orientation) {
        return;
    }
    d->m_orientation = orientation;
    updateGeometry();
}
 
void DockButton::paintEvent(QPaintEvent *event)
{
    Q_UNUSED(event);
    Q_D(DockButton);
 
    QStylePainter painter(this);
    QStyleOptionButton option;
    initStyleOption(&option);
 
    if (d->m_orientation == DockButton::VerticalTopToBottom) {
        painter.rotate(90);
        painter.translate(0, -1 * width());
        option.rect = option.rect.transposed();
    } else if (d->m_orientation == DockButton::VerticalBottomToTop) {
        painter.rotate(-90);
        painter.translate(-1 * height(), 0);
        option.rect = option.rect.transposed();
    }
 
    painter.drawControl(QStyle::CE_PushButton, option);
}
 
QX_DOCK_END_NAMESPACE