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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "textitem.h"
#include <QCursor>
#include <QGraphicsScene>
#include <QGraphicsSceneMouseEvent>
#include <QPainter>
#include <QTextCursor>
#include <QTextDocument>
#include <QTextOption>
#include <qmath.h>
using namespace ScxmlEditor::PluginInterface;
TextItem::TextItem(QGraphicsItem *parent)
: QGraphicsTextItem(parent)
{
init();
}
TextItem::TextItem(const QString &id, QGraphicsItem *parent)
: QGraphicsTextItem(id, parent)
{
init();
}
void TextItem::init()
{
setTextInteractionFlags(Qt::TextEditorInteraction);
setFlag(ItemIsSelectable, true);
setFlag(ItemIsFocusable, true);
QTextOption options;
options.setWrapMode(QTextOption::NoWrap);
options.setAlignment(Qt::AlignCenter);
document()->setDefaultTextOption(options);
connect(document(), &QTextDocument::contentsChanged, this, &TextItem::checkText);
QFont f = font();
f.setPixelSize(13);
setFont(f);
}
void TextItem::setItalic(bool ital)
{
QFont f = font();
f.setItalic(ital);
setFont(f);
}
void TextItem::checkText()
{
if (document()->textWidth() <= 40)
document()->setTextWidth(40);
else
document()->setTextWidth(-1);
emit textChanged();
}
void TextItem::setText(const QString &t)
{
QSignalBlocker blocker(this);
setPlainText(t);
}
void TextItem::focusInEvent(QFocusEvent *event)
{
QGraphicsTextItem::focusInEvent(event);
emit selected(true);
}
void TextItem::focusOutEvent(QFocusEvent *event)
{
emit textReady(toPlainText());
QGraphicsTextItem::focusOutEvent(event);
}
void TextItem::keyPressEvent(QKeyEvent *event)
{
switch (event->key()) {
case Qt::Key_Escape:
case Qt::Key_Enter:
case Qt::Key_Return:
case Qt::Key_Tab:
event->accept();
clearFocus();
return;
default:
break;
}
QGraphicsTextItem::keyPressEvent(event);
}
bool TextItem::needIgnore(const QPointF sPos) const
{
// If we found QuickTransition-item or CornerGrabber at this point, we must ignore mouse press here
// So we can press QuickTransition/CornerGrabber item although there is transition lines front of these items
const QList<QGraphicsItem *> items = scene()->items(sPos);
for (QGraphicsItem *item : items) {
if (item->type() == QuickTransitionType || (item->type() == CornerGrabberType && item->parentItem() != this))
return true;
}
return false;
}
void TextItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
if (needIgnore(event->scenePos())) {
event->ignore();
return;
}
QGraphicsTextItem::mousePressEvent(event);
setFocus();
}
void TextItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (needIgnore(event->scenePos())) {
event->ignore();
return;
}
QGraphicsTextItem::mouseReleaseEvent(event);
setFocus();
}
void TextItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
{
if (needIgnore(event->scenePos())) {
event->ignore();
return;
}
setFocus();
QGraphicsTextItem::mouseDoubleClickEvent(event);
emit selected(true);
}
void TextItem::hoverEnterEvent(QGraphicsSceneHoverEvent *e)
{
if (needIgnore(e->scenePos())) {
e->ignore();
return;
}
setCursor(Qt::IBeamCursor);
QGraphicsTextItem::hoverEnterEvent(e);
}
void TextItem::hoverMoveEvent(QGraphicsSceneHoverEvent *e)
{
if (needIgnore(e->scenePos())) {
setCursor(Qt::ArrowCursor);
e->ignore();
return;
}
setCursor(Qt::IBeamCursor);
QGraphicsTextItem::hoverEnterEvent(e);
}
void TextItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *e)
{
setCursor(Qt::ArrowCursor);
QGraphicsTextItem::hoverLeaveEvent(e);
}
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