From c7d7aa30c8a7eaab62b4594b9794674a7d1f79f7 Mon Sep 17 00:00:00 2001
From: ParkSuMin <kamalovap@paksurion.ru>
Date: Mon, 15 Dec 2025 17:04:30 +0300
Subject: [PATCH] =?UTF-8?q?=D0=9D=D0=B0=D1=81=D1=82=D1=80=D0=BE=D0=B9?=
 =?UTF-8?q?=D0=BA=D0=B0=20=D0=BF=D0=BE=D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8?=
 =?UTF-8?q?=D1=8F=20QToolTip?=
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Когда убираем курсор с линии, то всплывающее окно с информацией исчезает
---
 Canvas.cpp | 15 ++++++++++++++-
 Canvas.h   |  1 +
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/Canvas.cpp b/Canvas.cpp
index ddb260c..3a0e0b4 100644
--- a/Canvas.cpp
+++ b/Canvas.cpp
@@ -598,15 +598,28 @@ void Canvas::paintEvent(QPaintEvent* event)
     }
 }
 
+void Canvas::leaveEvent(QEvent* event)
+{
+    Q_UNUSED(event);
+    QToolTip::hideText();
+}
+
 #ifdef _DEBUG
 void Canvas::showObjectTag(QPointF pos)
 {
     QPointF l = screenToLogical(pos);
     Line* lineUnderCursor = findAt(l, 2.0);
     if (lineUnderCursor && lineUnderCursor != draggedLine) {
-        QString Text = QString("Tag Line: %1").arg(lineUnderCursor->get_tag());
+        QPointF p1(*lineUnderCursor->p1.x, *lineUnderCursor->p1.y);
+        QPointF p2(*lineUnderCursor->p2.x, *lineUnderCursor->p2.y);
+        QLineF info_line(p1, p2);
+        QString Text = QString("Line %1\nLength = %2mm")
+            .arg(lineUnderCursor->get_tag() + 1)
+            .arg(info_line.length());
         QToolTip::showText(mapToGlobal(pos.toPoint()), Text, this);
     }
+    else 
+        QToolTip::hideText();
 }
 #endif
 
diff --git a/Canvas.h b/Canvas.h
index e01429c..ed16485 100644
--- a/Canvas.h
+++ b/Canvas.h
@@ -60,6 +60,7 @@ protected:
     void mouseMoveEvent(QMouseEvent* event) override;
     void mouseReleaseEvent(QMouseEvent* event) override;
     void paintEvent(QPaintEvent* event) override;
+    void leaveEvent(QEvent* event) override;
 
 private: