feat: 添加ElaWidgetTool库

ElaWidgetTools/private/ElaGraphicsViewPrivate.cpp

@@ -0,0 +1,26 @@
+#include "ElaGraphicsViewPrivate.h"
+
+#include "ElaGraphicsView.h"
+#include "ElaScrollBar.h"
+ElaGraphicsViewPrivate::ElaGraphicsViewPrivate(QObject* parent)
+    : QObject{parent}
+{
+}
+
+ElaGraphicsViewPrivate::~ElaGraphicsViewPrivate()
+{
+}
+
+void ElaGraphicsViewPrivate::_initStyle()
+{
+    Q_Q(ElaGraphicsView);
+    q->setDragMode(QGraphicsView::RubberBandDrag);
+    q->setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
+    q->setResizeAnchor(QGraphicsView::AnchorUnderMouse);
+    q->setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform);
+    q->setMouseTracking(true);
+    q->setObjectName("ElaGraphicsView");
+    q->setStyleSheet("#ElaGraphicsView{background-color:white;border:0px;}");
+    q->setVerticalScrollBar(new ElaScrollBar(q));
+    q->setHorizontalScrollBar(new ElaScrollBar(q));
+}