83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
#include "graphicsItem/handleText.h"
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#include <QPainter>
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#include <QLineEdit>
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#include <QGraphicsProxyWidget>
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HandleText::HandleText(QGraphicsItem *parent)
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: ItemControlHandle(parent)
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,_font(QFont())
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,_proxy(nullptr)
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,_nIndex(-1)
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,_type(0)
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{
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_editable = true;
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_boundingRect = QRectF(-TEXT_WIDTH*0.5,-TEXT_WIDTH*0.5,TEXT_WIDTH,TEXT_HEIGHT);
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}
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HandleText::~HandleText()
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{
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}
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void HandleText::setText(QString str)
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{
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_text = str;
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QFontMetrics fontMetrics(_font);
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_boundingRect = fontMetrics.boundingRect(_text);
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int w = _boundingRect.width();
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int h = _boundingRect.height();
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_boundingRect.moveTo(QPointF(-w*0.5,-h*0.5));
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}
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QString HandleText::getText() const
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{
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return _text;
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}
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void HandleText::creatEditor()
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{
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if(!_editable)
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return;
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if(!_proxy)
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_proxy = new QGraphicsProxyWidget(this);
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_proxy->setVisible(true);
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QLineEdit *editor = new QLineEdit();
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editor->setText(_text);
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editor->resize(boundingRect().size().toSize()*1.5);
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_proxy->setWidget(editor);
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// 将文本编辑的更改连接到文本项
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connect(editor, &QLineEdit::textChanged, this, [this, editor]() {
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//_text = editor->text();
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setText(editor->text());
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});
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// 完成编辑后，删除QTextEdit
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connect(editor, &QLineEdit::editingFinished, this, [this, editor]() {
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//_text = editor->text();
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setText(editor->text());
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emit editFinish(editor->text());
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_proxy->setVisible(false);
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});
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}
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void HandleText::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
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{
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painter->setPen(Qt::blue);
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painter->setBrush(Qt::blue);
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painter->setRenderHint(QPainter::TextAntialiasing, true);
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int w = _boundingRect.width();
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int h = _boundingRect.height();
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if(_type == 0)
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painter->drawText(QPointF(-w*0.5,h*0.5),_text);
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else{
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QString displayText = _sTagName + ":" + _text;
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painter->drawText(boundingRect(), Qt::AlignCenter, displayText);
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}
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}
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QRectF HandleText::boundingRect() const
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{
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return _boundingRect;
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}
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