From 11145e20eb0f4d34ab9e5fc0379e21242e0af3da Mon Sep 17 00:00:00 2001
From: Martin Vermeer <martin.vermeer@hut.fi>
Date: Fri, 21 Apr 2006 22:51:39 +0000
Subject: [PATCH] 	Grey out outlining movement buttons for non-ToC

	* qt2/QTocDialog.[Ch]: Add enableButtons

	* qt2/QToc.[Ch]
	(QToc::build_dialog):
	(QToc::updateType):
	(QToc::updateToc):
	(QToc::updateToc):
	(QToc::set_depth): Change update logic



git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@13709 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/frontends/qt2/QToc.C       | 20 ++++++++++++++++----
 src/frontends/qt2/QToc.h       |  6 ++++++
 src/frontends/qt2/QTocDialog.C | 14 ++++++++++++++
 src/frontends/qt2/QTocDialog.h |  2 ++
 4 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/src/frontends/qt2/QToc.C b/src/frontends/qt2/QToc.C
index e2e2f91205..d8898e2c9d 100644
--- a/src/frontends/qt2/QToc.C
+++ b/src/frontends/qt2/QToc.C
@@ -48,6 +48,8 @@ void QToc::build_dialog()
 
 	// Manage the cancel/close button
 	bcview().setCancel(dialog_->closePB);
+	type_ = toc::getType(controller().params().getCmdName());
+	dialog_->enableButtons();
 }
 
 
@@ -67,6 +69,8 @@ void QToc::updateType()
 			setTitle(guiname);
 		}
 	}
+	type_ = type;
+	dialog_->enableButtons();
 }
 
 
@@ -83,6 +87,8 @@ void QToc::updateToc(int newdepth)
 	string type;
 	if (!choice.empty())
 		type = choice[dialog_->typeCO->currentItem()];
+	type_ = type;
+	dialog_->enableButtons();
 
 	toc::Toc const & contents = controller().getContents(type);
 
@@ -181,6 +187,12 @@ void QToc::updateToc(int newdepth)
 }
 
 
+bool QToc::canOutline()
+{
+	return controller().canOutline(type_);
+}
+
+
 void QToc::select(string const & text)
 {
 	toc::Toc::const_iterator iter = toclist.begin();
@@ -212,28 +224,28 @@ void QToc::set_depth(int depth)
 void QToc::moveup()
 {
 	controller().outline(toc::UP);
-	update_contents();
+	updateToc(depth_);
 }
 
 
 void QToc::movedn()
 {
 	controller().outline(toc::DOWN);
-	update_contents();
+	updateToc(depth_);
 }
 
 
 void QToc::movein()
 {
 	controller().outline(toc::IN);
-	update_contents();
+	updateToc(depth_);
 }
 
 
 void QToc::moveout()
 {
 	controller().outline(toc::OUT);
-	update_contents();
+	updateToc(depth_);
 }
 
 
diff --git a/src/frontends/qt2/QToc.h b/src/frontends/qt2/QToc.h
index fe1c3a9100..769bc9a766 100644
--- a/src/frontends/qt2/QToc.h
+++ b/src/frontends/qt2/QToc.h
@@ -33,6 +33,9 @@ private:
 	/// update the listview
 	void updateToc(int newdepth);
 
+	///
+	bool canOutline();
+
 	/// update the float types
 	void updateType();
 
@@ -67,6 +70,9 @@ private:
 
 	/// Store selected item's string
 	std::string text_;
+
+	/// Store ToC list type
+	std::string type_;
 };
 
 } // namespace frontend
diff --git a/src/frontends/qt2/QTocDialog.C b/src/frontends/qt2/QTocDialog.C
index d125e1bf94..f276596f0e 100644
--- a/src/frontends/qt2/QTocDialog.C
+++ b/src/frontends/qt2/QTocDialog.C
@@ -63,6 +63,20 @@ void QTocDialog::select_adaptor(QListViewItem * item)
 }
 
 
+void QTocDialog::enableButtons(bool enable)
+{
+	updatePB->setEnabled(enable);
+
+	if (!form_->canOutline())
+		enable = false;
+
+	moveupPB->setEnabled(enable);
+	movednPB->setEnabled(enable);
+	moveinPB->setEnabled(enable);
+	moveoutPB->setEnabled(enable);
+}
+
+
 void QTocDialog::update_adaptor()
 {
 	form_->update();
diff --git a/src/frontends/qt2/QTocDialog.h b/src/frontends/qt2/QTocDialog.h
index 875a17db0b..d49fbb37c6 100644
--- a/src/frontends/qt2/QTocDialog.h
+++ b/src/frontends/qt2/QTocDialog.h
@@ -24,6 +24,8 @@ class QTocDialog : public QTocDialogBase {
 public:
 	QTocDialog(QToc * form);
 	~QTocDialog();
+	///
+	void enableButtons(bool enable = true);
 public slots:
 	void activate_adaptor(int);
 	void depth_adaptor(int);
-- 
2.39.2