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// Copyright (C) 2016 Jochen Becher
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "editabletextitem.h"
#include <QStyleOptionGraphicsItem>
#include <QKeyEvent>
#include <QTextCursor>
#include <QGraphicsScene>
namespace qmt {
EditableTextItem::EditableTextItem(QGraphicsItem *parent)
: QGraphicsTextItem(parent)
{
setTextInteractionFlags(Qt::TextEditorInteraction);
}
EditableTextItem::~EditableTextItem()
{
}
void EditableTextItem::setShowFocus(bool showFocus)
{
m_showFocus = showFocus;
}
void EditableTextItem::setFilterReturnKey(bool filterReturnKey)
{
m_filterReturnKey = filterReturnKey;
}
void EditableTextItem::setFilterTabKey(bool filterTabKey)
{
m_filterTabKey = filterTabKey;
// TODO due to a bug in Qt the tab key is never seen by keyPressEvent(). Use this as a workaround
setTabChangesFocus(filterTabKey);
}
void EditableTextItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
QStyleOptionGraphicsItem option2(*option);
if (!m_showFocus)
option2.state &= ~(QStyle::State_Selected | QStyle::State_HasFocus);
QGraphicsTextItem::paint(painter, &option2, widget);
}
void EditableTextItem::selectAll()
{
QTextCursor cursor = textCursor();
cursor.select(QTextCursor::Document);
setTextCursor(cursor);
}
void EditableTextItem::keyPressEvent(QKeyEvent *event)
{
if (isReturnKey(event) && m_filterReturnKey) {
event->accept();
emit returnKeyPressed();
} else if (event->key() == Qt::Key_Tab && m_filterTabKey) {
event->accept();
} else {
QGraphicsTextItem::keyPressEvent(event);
}
}
void EditableTextItem::keyReleaseEvent(QKeyEvent *event)
{
if (isReturnKey(event) && m_filterReturnKey)
event->accept();
else
QGraphicsTextItem::keyReleaseEvent(event);
}
void EditableTextItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
scene()->clearSelection();
parentItem()->setSelected(true);
QGraphicsTextItem::mousePressEvent(event);
}
void EditableTextItem::focusOutEvent(QFocusEvent *event)
{
QGraphicsTextItem::focusOutEvent(event);
QTextCursor cursor = textCursor();
cursor.clearSelection();
setTextCursor(cursor);
}
bool EditableTextItem::isReturnKey(QKeyEvent *event) const
{
return (event->key() == Qt::Key_Return || event->key() == Qt::Key_Enter)
&& (event->modifiers() & (Qt::ShiftModifier | Qt::ControlModifier | Qt::AltModifier)) == 0;
}
} // namespace qmt
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