From 6376ae1ed6a45c0e4aa1411e89ea886d124483c7 Mon Sep 17 00:00:00 2001
From: codeboss <2422523675@qq.com>
Date: Sun, 12 Oct 2025 13:20:15 +0800
Subject: [PATCH] =?UTF-8?q?=E5=BD=93=E5=89=8D=E5=8D=95=E5=85=83=E9=AB=98?=
 =?UTF-8?q?=E4=BA=AE?=
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---
 MapPresent/MapPresent.cpp   | 15 +++++++++++++--
 MapPresent/MapPresent.h     |  5 ++++-
 MapPresent/UnitDelegate.cpp | 29 +++++++++++++++++++++++++++++
 MapPresent/UnitDelegate.h   | 11 +++++++++--
 4 files changed, 55 insertions(+), 5 deletions(-)

diff --git a/MapPresent/MapPresent.cpp b/MapPresent/MapPresent.cpp
index 721d3d4..ee87047 100644
--- a/MapPresent/MapPresent.cpp
+++ b/MapPresent/MapPresent.cpp
@@ -14,6 +14,12 @@ MapPresent::MapPresent(QWidget* parent /*= nullptr*/)
 	_center_index.row = 0;
 	_center_index.col = 0;
 
+	auto delegate = new BasicUnitDelegate(this);
+	_present_delegate[delegate->unitType()] = delegate;
+	connect(this, &MapPresent::mouseOut, delegate, &BasicUnitDelegate::hotClear);
+	connect(this, &MapPresent::mouseHover, delegate, &BasicUnitDelegate::hotIndexSet);
+	connect(delegate, &BasicUnitDelegate::updateRequest, [=](){ this->update(); });
+
 	this->setMouseTracking(true);
 }
 
@@ -66,7 +72,7 @@ QRectF MapPresent::outlineGet(const PresentIndex& idx) const
 void MapPresent::paintEvent(QPaintEvent* ev)
 {
 	QWidget::paintEvent(ev);
-	BasicUnitDelegate t;
+	UnitPresentDelegate &t = *_present_delegate[0];
 
 	QPainter p(this);
 	for (auto opt : _visible_units) {
@@ -76,7 +82,7 @@ void MapPresent::paintEvent(QPaintEvent* ev)
 		p.translate(rect.topLeft());
 		rect.moveTo(0, 0);
 
-		auto end_pts = t.endPointsGet(rect);
+		auto end_pts = BasicUnitDelegate::endPointsGet(rect);
 		QPainterPath clicp_path;
 		clicp_path.moveTo(end_pts.first());
 		for (auto idx = 0; idx < end_pts.size(); ++idx) {
@@ -205,6 +211,11 @@ bool PresentIndex::isValid() const
 	return row != INT_MAX && col != INT_MAX;
 }
 
+bool PresentIndex::operator==(const PresentIndex& other) const
+{
+	return row == other.row && col == other.col;
+}
+
 UnitPresentDelegate::UnitPresentDelegate(QObject* parent /*= nullptr*/)
 	:QObject(parent) {
 }
diff --git a/MapPresent/MapPresent.h b/MapPresent/MapPresent.h
index 1968ed1..ddd8601 100644
--- a/MapPresent/MapPresent.h
+++ b/MapPresent/MapPresent.h
@@ -20,6 +20,7 @@ struct MAPPRESENT_EXPORT PresentIndex {
 
 	PresentIndex& operator+=(const PresentIndex& other);
 	bool operator!=(const PresentIndex& other) const;
+	bool operator==(const PresentIndex& other) const;
 };
 
 /// <summary>
@@ -64,7 +65,7 @@ signals:
 	/// <summary>
 	/// 更新通知/重绘请求
 	/// </summary>
-	void updateRequest();
+	void updateRequest(const PresentIndex &idx);
 };
 
 /// <summary>
@@ -94,6 +95,8 @@ private:
 	QList<PresentIndex> siblingsGet(const PresentIndex& center, uint16_t dist = 1) const;
 	QList<PresentIndex> itemFills(const PresentIndex& a, const PresentIndex& b) const;
 
+	// ===================================
+	QHash<int, UnitPresentDelegate*> _present_delegate;
 
 
 public:
diff --git a/MapPresent/UnitDelegate.cpp b/MapPresent/UnitDelegate.cpp
index 8f48217..8921403 100644
--- a/MapPresent/UnitDelegate.cpp
+++ b/MapPresent/UnitDelegate.cpp
@@ -1,6 +1,10 @@
 #include "UnitDelegate.h"
 #include <QPainter>
 
+BasicUnitDelegate::BasicUnitDelegate(QObject* parent /*= nullptr*/)
+	:UnitPresentDelegate(parent) {
+}
+
 int BasicUnitDelegate::unitType() const
 {
 	return 0;
@@ -8,12 +12,16 @@ int BasicUnitDelegate::unitType() const
 
 void BasicUnitDelegate::paint(QPainter* p, const PresentOption& option)
 {
+	p->setRenderHint(QPainter::Antialiasing, true);
+
 	auto rect = option.outline;
 	auto center = rect.center();
 	auto alen = rect.width() / 2;
 	const float xspan = alen * sqrt(3) / 2;
 
 	QRadialGradient brush(center, alen);
+	brush.setColorAt(0, Qt::gray);
+	brush.setColorAt(1, Qt::white);
 	p->fillRect(rect, brush);
 
 	QList<QPointF> points = endPointsGet(rect);
@@ -22,8 +30,15 @@ void BasicUnitDelegate::paint(QPainter* p, const PresentOption& option)
 	for (auto idx = 0; idx < 6; ++idx) {
 		lines << QLineF(points[idx], points[idx + 1]);
 	}
+	if (_hot_index == option.index) {
+		auto pen = p->pen();
+		pen.setColor(Qt::red);
+		pen.setWidth(10);
+		p->setPen(pen);
+	}
 	p->drawLines(lines);
 
+
 	auto ft = p->font();
 	ft.setPixelSize(alen * 0.3);
 	p->setFont(ft);
@@ -51,3 +66,17 @@ QList<QPointF> BasicUnitDelegate::endPointsGet(const QRectF& rect)
 
 	return points;
 }
+
+void BasicUnitDelegate::hotClear()
+{
+	_hot_index = PresentIndex();
+	emit this->updateRequest(_hot_index);
+}
+
+void BasicUnitDelegate::hotIndexSet(const PresentIndex& idx)
+{
+	if (_hot_index != idx) {
+		_hot_index = idx;
+		emit this->updateRequest(idx);
+	}
+}
diff --git a/MapPresent/UnitDelegate.h b/MapPresent/UnitDelegate.h
index e7a5e39..91a52a3 100644
--- a/MapPresent/UnitDelegate.h
+++ b/MapPresent/UnitDelegate.h
@@ -6,8 +6,15 @@
 /// </summary>
 class BasicUnitDelegate : public UnitPresentDelegate {
 public:
-	int unitType() const override;
+	BasicUnitDelegate(QObject *parent = nullptr);
 
+	int unitType() const override;
 	void paint(QPainter* p, const PresentOption& option) override;
-	QList<QPointF> endPointsGet(const QRectF& rect);
+	static QList<QPointF> endPointsGet(const QRectF& rect);
+
+	void hotClear();
+	void hotIndexSet(const PresentIndex &idx);
+
+private:
+	PresentIndex _hot_index;
 };
\ No newline at end of file