hlp:640x480-小屏vx4齿轮泵代码提交

2026-09-10 15:19:23 +08:00
commit b1ff3223e9
1534 changed files with 237996 additions and 0 deletions
@@ -0,0 +1,108 @@
+#if 1
+#include "picscene.h"
+#include <QDebug>
+#include <QRectF>
+PicScene::PicScene(QObject *parent) :
+    QGraphicsScene(parent)
+{
+}
+
+void PicScene::setMode(Mode mode)
+{
+    myMode = mode;
+}
+
+void PicScene::mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent)
+{
+    if (mouseEvent->button() != Qt::LeftButton)
+        return;
+
+    QGraphicsScene::mousePressEvent(mouseEvent);
+}
+
+//! [9]
+
+//! [10]
+void PicScene::mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent)
+{
+#if 0
+    if (myMode == InsertLine && line != 0) {
+        QLineF newLine(line->line().p1(), mouseEvent->scenePos());
+        line->setLine(newLine);
+    } else if (myMode == MoveItem) {
+        QGraphicsScene::mouseMoveEvent(mouseEvent);
+    }
+#else
+    QGraphicsScene::mouseMoveEvent(mouseEvent);
+
+#endif
+}
+//! [10]
+
+//! [11]
+void PicScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent)
+{
+#if 0 //不需要这个功能
+    if (line != 0 && myMode == InsertLine) {
+        QList<QGraphicsItem *> startItems = items(line->line().p1());
+        if (startItems.count() && startItems.first() == line)
+            startItems.removeFirst();
+        QList<QGraphicsItem *> endItems = items(line->line().p2());
+        if (endItems.count() && endItems.first() == line)
+            endItems.removeFirst();
+
+        removeItem(line);
+        delete line;
+//! [11] //! [12]
+
+        if (startItems.count() > 0 && endItems.count() > 0 &&
+            startItems.first()->type() == DiagramItem::Type &&
+            endItems.first()->type() == DiagramItem::Type &&
+            startItems.first() != endItems.first()) {
+            DiagramItem *startItem =
+                qgraphicsitem_cast<DiagramItem *>(startItems.first());
+            DiagramItem *endItem =
+                qgraphicsitem_cast<DiagramItem *>(endItems.first());
+            Arrow *arrow = new Arrow(startItem, endItem);
+            arrow->setColor(myLineColor);
+            startItem->addArrow(arrow);
+            endItem->addArrow(arrow);
+            arrow->setZValue(-1000.0);
+            addItem(arrow);
+            arrow->updatePosition();
+        }
+    }
+//! [12] //! [13]
+    line = 0;
+#endif
+    QGraphicsScene::mouseReleaseEvent(mouseEvent);
+    //QRectF Rect=QGraphicsScene.itemsBoundingRect();
+    //qDebug()<<"GraphicsScene itemsBoundingRect "<<itemsBoundingRect();
+    //qDebug()<<"GraphicsScene toRect "<<itemsBoundingRect().pos();
+    //qDebug()<<"GraphicsScene rect "<<sceneRect();
+    //qDebug()<<"RectF.y "<<itemsBoundingRect().y();
+    //qDebug()<<"RectF.height "<<itemsBoundingRect().height();
+    //qDebug()<<"RectF.width "<<itemsBoundingRect().width();
+    //qDebug()<<"asdfasdf";
+    //qDebug()<<"GraphicsScene "<<sceneRect();
+    //emit xmlContentChanged();
+}
+//! [13]
+
+//! [14]
+bool PicScene::isItemChange(int type)
+{
+    foreach (QGraphicsItem *item, selectedItems()) {
+        if (item->type() == type)
+            return true;
+    }
+    return false;
+}
+//! [14]
+
+void PicScene::keyPressEvent(QKeyEvent *event)
+{
+    QGraphicsScene::keyPressEvent(event);
+}
+
+#endif