From 3da9c2045670b4c896f540f65c7dfdfdb2db8f1b Mon Sep 17 00:00:00 2001
From: Pavel Sanda <sanda@lyx.org>
Date: Sat, 2 May 2009 12:43:42 +0000
Subject: [PATCH] Use Qt native close button on tabbar. Fixes
 http://www.lyx.org/trac/ticket/3724

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@29491 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/frontends/qt4/GuiWorkArea.cpp | 14 ++++++++++++++
 src/frontends/qt4/GuiWorkArea.h   |  4 ++++
 2 files changed, 18 insertions(+)

diff --git a/src/frontends/qt4/GuiWorkArea.cpp b/src/frontends/qt4/GuiWorkArea.cpp
index b0eb1e353f..37c9db7e0d 100644
--- a/src/frontends/qt4/GuiWorkArea.cpp
+++ b/src/frontends/qt4/GuiWorkArea.cpp
@@ -1334,6 +1334,10 @@ TabWorkArea::TabWorkArea(QWidget * parent)
 	tb->setContextMenuPolicy(Qt::CustomContextMenu);
 	connect(tb, SIGNAL(customContextMenuRequested(const QPoint &)),
 		this, SLOT(showContextMenu(const QPoint &)));
+#if QT_VERSION >= 0x040500
+	connect(tb, SIGNAL(tabCloseRequested(int)),
+		tb, SLOT(on_tabCloseRequested(int)));
+#endif
 
 	setUsesScrollButtons(true);
 }
@@ -1741,6 +1745,16 @@ DragTabBar::DragTabBar(QWidget* parent)
 	: QTabBar(parent)
 {
 	setAcceptDrops(true);
+#if QT_VERSION >= 0x040500
+	setTabsClosable(true);
+#endif
+}
+
+
+void DragTabBar::on_tabCloseRequested(int index)
+{
+	setCurrentIndex(index);
+	lyx::dispatch(FuncRequest(LFUN_BUFFER_CLOSE));
 }
 
 
diff --git a/src/frontends/qt4/GuiWorkArea.h b/src/frontends/qt4/GuiWorkArea.h
index 3eb757ab06..3dc7e6c907 100644
--- a/src/frontends/qt4/GuiWorkArea.h
+++ b/src/frontends/qt4/GuiWorkArea.h
@@ -368,6 +368,10 @@ private:
 Q_SIGNALS:
 	///
 	void tabMoveRequested(int fromIndex, int toIndex);
+
+private Q_SLOTS:
+	///
+	void on_tabCloseRequested(int index);
 };
 
 } // namespace frontend
-- 
2.39.2