添加了mouseIn/mouseOut/mouseHover三种信号

ActWorld/main.cpp

@@ -1,6 +1,7 @@
 #include "ActWorld.h"
 #include <QtWidgets/QApplication>
 #include <MapPresent.h>
+#include <QtDebug>
 
 int main(int argc, char* argv[])
 {
@@ -12,6 +13,15 @@ int main(int argc, char *argv[])
 	MapPresent p;
 	p.show();
 
+	//QObject::connect(&p, &MapPresent::mouseIn, [=]() {
+	//	qDebug() << "Mouse Enter";
+	//	});
+	//QObject::connect(&p, &MapPresent::mouseOut, [=]() {
+	//	qDebug() << "Mouse Leave";
+	//	});
+	//QObject::connect(&p, &MapPresent::mouseHover, [=](const PresentIndex &i) {
+	//	qDebug() << "Mouse Hover" << i.row << i.col;
+	//	});
 
 	return app.exec();
 }

MapPresent/MapPresent.cpp

@@ -3,13 +3,18 @@
 #include <QVector2D>
 #include <cmath>
 #include <QVector3D>
+#include <QEvent>
 #include <QPainter>
+#include <QMouseEvent>
+
 
 MapPresent::MapPresent(QWidget* parent /*= nullptr*/)
 	:QWidget(parent)
 {
 	_center_index.row = 0;
 	_center_index.col = 0;
+
+	this->setMouseTracking(true);
 }
 
 PresentIndex MapPresent::indexGet(const QPointF& pos) const
@@ -93,6 +98,31 @@ void MapPresent::resizeEvent(QResizeEvent* event)
 	visibleUnitsTidy();
 }
 
+void MapPresent::mouseMoveEvent(QMouseEvent* event)
+{
+	QWidget::mouseMoveEvent(event);
+	event->accept();
+
+	auto index = indexGet(event->pos());
+	emit mouseHover(index);
+}
+
+void MapPresent::enterEvent(QEvent* event)
+{
+	QWidget::enterEvent(event);
+	event->accept();
+
+	emit mouseIn();
+}
+
+void MapPresent::leaveEvent(QEvent* event)
+{
+	QWidget::leaveEvent(event);
+	event->accept();
+
+	emit mouseOut();
+}
+
 PresentOption AssumeOpt(PresentIndex index, QRectF rf) {
 	PresentOption opt;
 	opt.index = index;

MapPresent/MapPresent.h

@@ -104,12 +104,16 @@ public:
 	QRectF outlineGet(const PresentIndex& idx) const;
 
 signals:
-	void mouseEnter();
+	void mouseIn();
 	void mouseOut();
-	void mouseHover();
+	void mouseHover(const PresentIndex &unit_index);
 
 protected:
 	void paintEvent(QPaintEvent* ev) override;
 	void resizeEvent(QResizeEvent* event) override;
 
+	void mouseMoveEvent(QMouseEvent* event) override;
+	void enterEvent(QEvent* event) override;
+	void leaveEvent(QEvent* event) override;
+
 };