From ecc492a3ce04dce62970946e4a3cd1e092a120d0 Mon Sep 17 00:00:00 2001
From: Abdelrazak Younes <younes@lyx.org>
Date: Sat, 4 Dec 2010 10:55:03 +0000
Subject: [PATCH] Fix #7021: the problem was that activating the border combo
 was triggering dialogToParams() and thus disallowed because of the empty
 value.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@36712 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/frontends/qt4/GuiTabular.cpp | 30 ++++++++++++++++++++++++------
 src/frontends/qt4/GuiTabular.h   |  3 +++
 2 files changed, 27 insertions(+), 6 deletions(-)

diff --git a/src/frontends/qt4/GuiTabular.cpp b/src/frontends/qt4/GuiTabular.cpp
index 8ffa2f3146..a2dec894bb 100644
--- a/src/frontends/qt4/GuiTabular.cpp
+++ b/src/frontends/qt4/GuiTabular.cpp
@@ -64,20 +64,14 @@ GuiTabular::GuiTabular(QWidget * parent)
 		this, SLOT(checkEnabled()));
 	connect(topspaceUnitCB, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 		this, SLOT(checkEnabled()));
-	connect(topspaceCO, SIGNAL(activated(int)),
-		this, SLOT(checkEnabled()));
 	connect(bottomspaceED, SIGNAL(editingFinished()),
 		this, SLOT(checkEnabled()));
 	connect(bottomspaceUnitCB, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 		this, SLOT(checkEnabled()));
-	connect(bottomspaceCO, SIGNAL(activated(int)),
-		this, SLOT(checkEnabled()));
 	connect(interlinespaceED, SIGNAL(editingFinished()),
 		this, SLOT(checkEnabled()));
 	connect(interlinespaceUnitCB, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 		this, SLOT(checkEnabled()));
-	connect(interlinespaceCO, SIGNAL(activated(int)),
-		this, SLOT(checkEnabled()));
 	connect(booktabsRB, SIGNAL(clicked(bool)),
 		this, SLOT(checkEnabled()));
 	connect(borderDefaultRB, SIGNAL(clicked(bool)),
@@ -168,6 +162,30 @@ GuiTabular::GuiTabular(QWidget * parent)
 }
 
 
+void GuiTabular::on_topspaceCO_activated(int index)
+{
+	bool const enable = (index == 2);
+	topspaceED->setEnabled(enable);
+	topspaceUnitCB->setEnabled(enable);
+}
+
+
+void GuiTabular::on_bottomspaceCO_activated(int index)
+{
+	bool const enable = (index == 2);
+	bottomspaceED->setEnabled(enable);
+	bottomspaceUnitCB->setEnabled(enable);
+}
+
+
+void GuiTabular::on_interlinespaceCO_activated(int index)
+{
+	bool const enable = (index == 2);
+	interlinespaceED->setEnabled(enable);
+	interlinespaceUnitCB->setEnabled(enable);
+}
+
+
 void GuiTabular::checkEnabled()
 {
 	// if there is a LaTeX argument, the width and alignment will be overwrtitten
diff --git a/src/frontends/qt4/GuiTabular.h b/src/frontends/qt4/GuiTabular.h
index c36076f1d5..1d90afa604 100644
--- a/src/frontends/qt4/GuiTabular.h
+++ b/src/frontends/qt4/GuiTabular.h
@@ -33,6 +33,9 @@ private Q_SLOTS:
 	void checkEnabled();
 	void borderSet_clicked();
 	void borderUnset_clicked();
+	void on_topspaceCO_activated(int index);
+	void on_bottomspaceCO_activated(int index);
+	void on_interlinespaceCO_activated(int index);
 
 private:
 	/// \name InsetParamsWidget inherited methods