From 4cc49ef6e3d01dba409188cc7d2c86f5bbb43391 Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Wed, 22 Aug 2018 11:54:08 +0200
Subject: [PATCH] Fix hover when cursor leaves view, fixes #63

---
 gui/fpgaviewwidget.cc | 8 ++++++++
 gui/fpgaviewwidget.h  | 1 +
 2 files changed, 9 insertions(+)

diff --git a/gui/fpgaviewwidget.cc b/gui/fpgaviewwidget.cc
index 0bbf80e2..2b0a3eff 100644
--- a/gui/fpgaviewwidget.cc
+++ b/gui/fpgaviewwidget.cc
@@ -781,4 +781,12 @@ void FPGAViewWidget::zoomOutbound()
     }
 }
 
+void FPGAViewWidget::leaveEvent(QEvent *event)
+{
+    QMutexLocker locked(&rendererArgsLock_);
+    rendererArgs_->hoveredDecal = DecalXY();
+    rendererArgs_->changed = true;
+    pokeRenderer();
+}
+
 NEXTPNR_NAMESPACE_END
diff --git a/gui/fpgaviewwidget.h b/gui/fpgaviewwidget.h
index a40a0153..ee05aae3 100644
--- a/gui/fpgaviewwidget.h
+++ b/gui/fpgaviewwidget.h
@@ -107,6 +107,7 @@ class FPGAViewWidget : public QOpenGLWidget, protected QOpenGLFunctions
     void wheelEvent(QWheelEvent *event) Q_DECL_OVERRIDE;
     QSize minimumSizeHint() const override;
     QSize sizeHint() const override;
+    void leaveEvent(QEvent *event) override;
 
   public Q_SLOTS:
     void newContext(Context *ctx);