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#include "colorpickerpopup.hpp"
#include <QColorDialog>
#include <QPushButton>
#include <QEvent>
#include <QKeyEvent>
#include <QMouseEvent>
#include <QLayout>
#include <QStyleOption>
CSVWidget::ColorPickerPopup::ColorPickerPopup(QWidget *parent)
: QFrame(parent)
{
setWindowFlags(Qt::Popup);
setFrameStyle(QFrame::Box | QFrame::Plain);
hide();
mColorPicker = new QColorDialog(this);
mColorPicker->setWindowFlags(Qt::Widget);
mColorPicker->setOptions(QColorDialog::NoButtons | QColorDialog::DontUseNativeDialog);
mColorPicker->installEventFilter(this);
mColorPicker->open();
connect(mColorPicker,
SIGNAL(currentColorChanged(const QColor &)),
this,
SIGNAL(colorChanged(const QColor &)));
QVBoxLayout *layout = new QVBoxLayout(this);
layout->addWidget(mColorPicker);
layout->setAlignment(Qt::AlignTop | Qt::AlignLeft);
layout->setContentsMargins(0, 0, 0, 0);
setLayout(layout);
setFixedSize(mColorPicker->size());
}
void CSVWidget::ColorPickerPopup::showPicker(const QPoint &position, const QColor &initialColor)
{
QRect geometry = this->geometry();
geometry.moveTo(position);
setGeometry(geometry);
mColorPicker->setCurrentColor(initialColor);
show();
}
void CSVWidget::ColorPickerPopup::mousePressEvent(QMouseEvent *event)
{
QPushButton *button = qobject_cast<QPushButton *>(parentWidget());
if (button != NULL)
{
QStyleOptionButton option;
option.init(button);
QRect buttonRect = option.rect;
buttonRect.moveTo(button->mapToGlobal(buttonRect.topLeft()));
// If the mouse is pressed above the pop-up parent,
// the pop-up will be hidden and the pressed signal won't be repeated for the parent
if (buttonRect.contains(event->globalPos()) || buttonRect.contains(event->pos()))
{
setAttribute(Qt::WA_NoMouseReplay);
}
}
QFrame::mousePressEvent(event);
}
void CSVWidget::ColorPickerPopup::hideEvent(QHideEvent *event)
{
QFrame::hideEvent(event);
emit hid();
}
bool CSVWidget::ColorPickerPopup::eventFilter(QObject *object, QEvent *event)
{
if (object == mColorPicker && event->type() == QEvent::KeyPress)
{
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
// Prevent QColorDialog from closing when Escape is pressed.
// Instead, hide the popup.
if (keyEvent->key() == Qt::Key_Escape)
{
hide();
return true;
}
}
return QFrame::eventFilter(object, event);
}
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