feat: 添加ElaWidgetTool库

2025-09-19 22:40:52 +08:00
parent 5f93e8caf6
commit 4eef5c7fd5
407 changed files with 36325 additions and 7 deletions
--- a/ElaWidgetTools/ElaGraphicsLineItem.cpp
+++ b/ElaWidgetTools/ElaGraphicsLineItem.cpp
@@ -0,0 +1,112 @@
+#include "ElaGraphicsLineItem.h"
+
+#include <QGraphicsScene>
+#include <QPainter>
+
+#include "ElaGraphicsItem.h"
+#include "ElaGraphicsLineItemPrivate.h"
+Q_PRIVATE_CREATE_Q_CPP(ElaGraphicsLineItem, QPointF, StartPoint);
+Q_PRIVATE_CREATE_Q_CPP(ElaGraphicsLineItem, QPointF, EndPoint);
+Q_PRIVATE_CREATE_Q_CPP(ElaGraphicsLineItem, ElaGraphicsItem*, StartItem);
+Q_PRIVATE_CREATE_Q_CPP(ElaGraphicsLineItem, ElaGraphicsItem*, EndItem);
+Q_PRIVATE_CREATE_Q_CPP(ElaGraphicsLineItem, int, StartItemPort);
+Q_PRIVATE_CREATE_Q_CPP(ElaGraphicsLineItem, int, EndItemPort);
+ElaGraphicsLineItem::ElaGraphicsLineItem(ElaGraphicsItem* startItem, ElaGraphicsItem* endItem, int startItemPort, int endItemPort, QGraphicsItem* parent)
+    : QGraphicsPathItem(parent), d_ptr(new ElaGraphicsLineItemPrivate())
+{
+    Q_D(ElaGraphicsLineItem);
+    d->q_ptr = this;
+    d->_pStartItem = startItem;
+    d->_pEndItem = endItem;
+    d->_pStartItemPort = startItemPort;
+    d->_pEndItemPort = endItemPort;
+    d->_linkItemMap.insert(d->_pStartItem, d->_pStartItemPort);
+    d->_linkItemMap.insert(d->_pEndItem, d->_pEndItemPort);
+    setFlags(QGraphicsItem::ItemIsFocusable | QGraphicsItem::ItemIsSelectable | ItemAcceptsInputMethod);
+}
+
+ElaGraphicsLineItem::ElaGraphicsLineItem(QPointF startPoint, QPointF endPoint, QGraphicsItem* parent)
+    : QGraphicsPathItem(parent), d_ptr(new ElaGraphicsLineItemPrivate())
+{
+    Q_D(ElaGraphicsLineItem);
+    d->q_ptr = this;
+    d->_pStartPoint = startPoint;
+    d->_pEndPoint = endPoint;
+    d->_isCreateWithItem = false;
+    setFlags(QGraphicsItem::ItemIsFocusable | QGraphicsItem::ItemIsSelectable | ItemAcceptsInputMethod);
+}
+
+ElaGraphicsLineItem::~ElaGraphicsLineItem()
+{
+}
+
+bool ElaGraphicsLineItem::isTargetLink(ElaGraphicsItem* item) const
+{
+    Q_D(const ElaGraphicsLineItem);
+    if (d->_linkItemMap.contains(item))
+    {
+        return true;
+    }
+    return false;
+}
+
+bool ElaGraphicsLineItem::isTargetLink(ElaGraphicsItem* item1, ElaGraphicsItem* item2) const
+{
+    Q_D(const ElaGraphicsLineItem);
+    if (d->_linkItemMap.contains(item1) && d->_linkItemMap.contains(item2))
+    {
+        return true;
+    }
+    return false;
+}
+
+bool ElaGraphicsLineItem::isTargetLink(ElaGraphicsItem* item1, ElaGraphicsItem* item2, int port1, int port2) const
+{
+    Q_D(const ElaGraphicsLineItem);
+    if (d->_linkItemMap.value(item1) == port1 && d->_linkItemMap.value(item2) == port2)
+    {
+        return true;
+    }
+    return false;
+}
+
+void ElaGraphicsLineItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
+{
+    Q_D(ElaGraphicsLineItem);
+    painter->save();
+    painter->setRenderHints(QPainter::Antialiasing);
+    painter->setPen(QPen(Qt::black, 3));
+    QPainterPath path;
+    qreal pathXStart = 0;
+    qreal pathYStart = 0;
+    qreal pathXEnd = 0;
+    qreal pathYEnd = 0;
+    if (d->_isCreateWithItem)
+    {
+        pathXStart = d->_pStartItem->x();
+        pathYStart = d->_pStartItem->y();
+        pathXEnd = d->_pEndItem->x();
+        pathYEnd = d->_pEndItem->y();
+    }
+    else
+    {
+        pathXStart = d->_pStartPoint.x();
+        pathYStart = d->_pStartPoint.y();
+        pathXEnd = d->_pEndPoint.x();
+        pathYEnd = d->_pEndPoint.y();
+    }
+    path.moveTo(pathXStart, pathYStart); // 设置起始点
+    path.cubicTo((pathXStart + pathXEnd) / 2, pathYStart, (pathXStart + pathXEnd) / 2, pathYEnd, pathXEnd, pathYEnd);
+    setPath(path);
+    painter->drawPath(path);
+    painter->restore();
+}
+
+QRectF ElaGraphicsLineItem::boundingRect() const
+{
+    if (!QGraphicsPathItem::boundingRect().isValid())
+    {
+        return scene()->sceneRect();
+    }
+    return QGraphicsPathItem::boundingRect();
+}