From 5485f3953936f687587a7591027ef1285bcb2e91 Mon Sep 17 00:00:00 2001
From: Edwin Leuven <e.leuven@gmail.com>
Date: Sun, 18 Apr 2010 11:30:20 +0000
Subject: [PATCH] new buffer on double click in empty area of the tab bar

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@34201 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/frontends/qt4/GuiWorkArea.cpp | 14 ++++++++++++++
 src/frontends/qt4/GuiWorkArea.h   |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/src/frontends/qt4/GuiWorkArea.cpp b/src/frontends/qt4/GuiWorkArea.cpp
index 7d5d6035ac..5e63244e75 100644
--- a/src/frontends/qt4/GuiWorkArea.cpp
+++ b/src/frontends/qt4/GuiWorkArea.cpp
@@ -1391,6 +1391,20 @@ TabWorkArea::TabWorkArea(QWidget * parent)
 }
 
 
+void TabWorkArea::mouseDoubleClickEvent(QMouseEvent * event)
+{
+	if (event->button() != Qt::LeftButton)
+		return;
+
+	// return early if double click on existing tabs
+	for (int i = 0; i < count(); ++i)
+		if (tabBar()->tabRect(i).contains(event->pos()))
+			return;
+
+	dispatch(FuncRequest(LFUN_BUFFER_NEW));
+}
+
+
 void TabWorkArea::setFullScreen(bool full_screen)
 {
 	for (int i = 0; i != count(); ++i) {
diff --git a/src/frontends/qt4/GuiWorkArea.h b/src/frontends/qt4/GuiWorkArea.h
index f38018fa4f..9a0e2a2d22 100644
--- a/src/frontends/qt4/GuiWorkArea.h
+++ b/src/frontends/qt4/GuiWorkArea.h
@@ -337,6 +337,8 @@ private Q_SLOTS:
 	void showContextMenu(const QPoint & pos);
 	///
 	void moveTab(int fromIndex, int toIndex);
+	///
+	void mouseDoubleClickEvent(QMouseEvent * event);
 
 private:
 	///