72 lines
1.5 KiB
C++
72 lines
1.5 KiB
C++
#include "nodeui.h"
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#include <QVBoxLayout>
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#include <QLabel>
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#include <QLineEdit>
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#include <QMouseEvent>
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#include <QApplication>
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#include <QGraphicsScene>
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#include <QGraphicsProxyWidget>
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#include <QStyleOptionGraphicsItem>
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#include <QPainter>
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const int kRoundedRectRadius = 5;
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NodeUI::NodeUI() :
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central_widget_(nullptr)
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{
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setFlag(QGraphicsItem::ItemIsMovable, true);
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setFlag(QGraphicsItem::ItemIsSelectable, true);
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}
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NodeUI::~NodeUI()
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{
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if (scene() != nullptr) {
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scene()->removeItem(proxy_);
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scene()->removeItem(this);
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}
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}
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void NodeUI::AddToScene(QGraphicsScene *scene)
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{
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scene->addItem(this);
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if (central_widget_ != nullptr) {
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proxy_ = scene->addWidget(central_widget_);
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proxy_->setPos(pos() + QPoint(kRoundedRectRadius, kRoundedRectRadius));
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proxy_->setParentItem(this);
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}
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}
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void NodeUI::Resize(const QSize &s)
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{
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QRectF rectangle = rect();
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rectangle.setSize(s + 2 * QSize(kRoundedRectRadius, kRoundedRectRadius));
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path_ = QPainterPath();
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path_.addRoundedRect(rectangle, kRoundedRectRadius, kRoundedRectRadius);
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setRect(rectangle);
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}
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void NodeUI::SetWidget(QWidget *widget)
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{
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central_widget_ = widget;
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}
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void NodeUI::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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Q_UNUSED(widget)
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QPalette palette = qApp->palette();
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if (option->state & QStyle::State_Selected) {
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painter->setPen(palette.highlight().color());
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} else {
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painter->setPen(palette.base().color());
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}
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painter->setBrush(palette.window());
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painter->drawPath(path_);
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}
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