From 8a75c40fd6c14f6889cb305b6c36cfd987d137f2 Mon Sep 17 00:00:00 2001
From: Tobias Doerffel <tobias.doerffel@gmail.com>
Date: Wed, 28 Nov 2012 00:10:11 +0100
Subject: [PATCH] Widgets/Fader: open input dialog on double click

There have been requests to have an input dialog when double clicking
the fader (like we have it for knobs for ages already).

Closes #3588157.
---
 include/fader.h           |  1 +
 src/gui/widgets/fader.cpp | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/include/fader.h b/include/fader.h
index 842b30cb6..02bc475c2 100644
--- a/include/fader.h
+++ b/include/fader.h
@@ -74,6 +74,7 @@ public:
 private:
 	virtual void contextMenuEvent( QContextMenuEvent * _me );
 	virtual void mousePressEvent( QMouseEvent *ev );
+	virtual void mouseDoubleClickEvent( QMouseEvent* mouseEvent );
 	virtual void mouseMoveEvent( QMouseEvent *ev );
 	virtual void mouseReleaseEvent( QMouseEvent * _me );
 	virtual void wheelEvent( QWheelEvent *ev );
diff --git a/src/gui/widgets/fader.cpp b/src/gui/widgets/fader.cpp
index 84c4bf31b..e9e14b2c4 100644
--- a/src/gui/widgets/fader.cpp
+++ b/src/gui/widgets/fader.cpp
@@ -45,6 +45,7 @@
  */
 
 
+#include <QtGui/QInputDialog>
 #include <QtGui/QMouseEvent>
 #include <QtGui/QPaintEvent>
 #include <QtGui/QPainter>
@@ -154,6 +155,27 @@ void fader::mousePressEvent( QMouseEvent* mouseEvent )
 
 
 
+void fader::mouseDoubleClickEvent( QMouseEvent* mouseEvent )
+{
+	bool ok;
+
+	// TODO: dbV handling
+	int newValue = QInputDialog::getInteger( this, windowTitle(),
+				tr( "Please enter a new value between %1 and %2:" ).
+						arg( model()->minValue()*100 ).
+						arg( model()->maxValue()*100 ),
+					model()->value()*100,
+					model()->minValue()*100,
+					model()->maxValue()*100, 1, &ok );
+
+	if( ok )
+	{
+		model()->setValue( newValue / 100.0f );
+	}
+}
+
+
+
 void fader::mouseReleaseEvent( QMouseEvent * _me )
 {
 	s_textFloat->hide();