From edfdab22ae59d7adf95adc4428ac26095298814f Mon Sep 17 00:00:00 2001
From: Tobias Doerffel <tobias.doerffel@gmail.com>
Date: Tue, 21 Oct 2008 20:52:24 +0000
Subject: [PATCH] track focusOutEvents in order to unhide cursor in certain
 situations

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1791 0778d3d1-df1d-0410-868b-ea421aaaa00d
---
 ChangeLog                |  6 ++++++
 include/knob.h           |  1 +
 src/gui/widgets/knob.cpp | 14 +++++++++++++-
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index bec7fd703..039df489a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-10-21	Tobias Doerffel	<tobydox/at/users/dot/sourceforge/dot/net>
+
+	* include/knob.h:
+	* src/gui/widgets/knob.cpp:
+	track focusOutEvents in order to unhide cursor in certain situations
+
 2008-10-20	Tobias Doerffel	<tobydox/at/users/dot/sourceforge/dot/net>
 
 	* CMakeLists.txt:
diff --git a/include/knob.h b/include/knob.h
index 90260fd93..36bbfbeee 100644
--- a/include/knob.h
+++ b/include/knob.h
@@ -104,6 +104,7 @@ protected:
 	virtual void contextMenuEvent( QContextMenuEvent * _me );
 	virtual void dragEnterEvent( QDragEnterEvent * _dee );
 	virtual void dropEvent( QDropEvent * _de );
+	virtual void focusOutEvent( QFocusEvent * _fe );
 	virtual void mousePressEvent( QMouseEvent * _me );
 	virtual void mouseReleaseEvent( QMouseEvent * _me );
 	virtual void mouseMoveEvent( QMouseEvent * _me );
diff --git a/src/gui/widgets/knob.cpp b/src/gui/widgets/knob.cpp
index d02c65590..bf8d05b6d 100644
--- a/src/gui/widgets/knob.cpp
+++ b/src/gui/widgets/knob.cpp
@@ -77,7 +77,8 @@ knob::knob( int _knob_num, QWidget * _parent, const QString & _name ) :
 
 	setAccessibleName( _name );
 	
-	if( m_knobNum != knobStyled ) {
+	if( m_knobNum != knobStyled )
+	{
 		m_knobPixmap = new QPixmap( embed::getIconPixmap( QString( "knob0" +
 			QString::number( m_knobNum + 1 ) ).toAscii().constData() ) );
 
@@ -86,6 +87,7 @@ knob::knob( int _knob_num, QWidget * _parent, const QString & _name ) :
 	setTotalAngle( 270.0f );
 	setInnerRadius( 1.0f );
 	setOuterRadius( 10.0f );
+	setFocusPolicy( Qt::ClickFocus );
 	doConnections();
 }
 
@@ -501,6 +503,16 @@ void knob::mouseReleaseEvent( QMouseEvent * /* _me*/ )
 
 
 
+void knob::focusOutEvent( QFocusEvent * _fe )
+{
+	// make sure we don't loose mouse release event
+	mouseReleaseEvent( NULL );
+	QWidget::focusOutEvent( _fe );
+}
+
+
+
+
 void knob::mouseDoubleClickEvent( QMouseEvent * )
 {
 	enterValue();