From 86392456e8c847c7a1507e35cd7bdee799e3564c Mon Sep 17 00:00:00 2001
From: Vincent van Ravesteijn <vfr@lyx.org>
Date: Sat, 11 Apr 2009 11:43:13 +0000
Subject: [PATCH] Implement the getStatus mechanism for the context menu of the
 toc.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@29200 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/frontends/qt4/GuiToc.cpp    |  7 +++++++
 src/frontends/qt4/GuiToc.h      |  2 ++
 src/frontends/qt4/GuiView.cpp   |  7 ++++++-
 src/frontends/qt4/TocWidget.cpp | 22 +++++++++++++++++++++-
 src/frontends/qt4/TocWidget.h   |  8 +++++++-
 5 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/src/frontends/qt4/GuiToc.cpp b/src/frontends/qt4/GuiToc.cpp
index 3ba5df32c8..528c4863e8 100644
--- a/src/frontends/qt4/GuiToc.cpp
+++ b/src/frontends/qt4/GuiToc.cpp
@@ -97,6 +97,13 @@ void GuiToc::doDispatch(Cursor & cur, FuncRequest const & cmd)
 }
 
 
+bool GuiToc::getStatus(Cursor & cur, FuncRequest const & cmd,
+	FuncStatus & status) const
+{
+	return widget_->getStatus(cur, cmd, status);
+}
+
+
 Dialog * createGuiToc(GuiView & lv)
 {
 	GuiView & guiview = static_cast<GuiView &>(lv);
diff --git a/src/frontends/qt4/GuiToc.h b/src/frontends/qt4/GuiToc.h
index efbb818f75..c7a797fb67 100644
--- a/src/frontends/qt4/GuiToc.h
+++ b/src/frontends/qt4/GuiToc.h
@@ -59,6 +59,8 @@ public:
 	bool isBufferDependent() const { return true; }
 	///
 	void doDispatch(Cursor & cur, FuncRequest const & fr);
+	///
+	bool getStatus(Cursor & cur, FuncRequest const & fr, FuncStatus & fs) const;
 
 private:
 	///
diff --git a/src/frontends/qt4/GuiView.cpp b/src/frontends/qt4/GuiView.cpp
index 3f0bb7be53..6157a09293 100644
--- a/src/frontends/qt4/GuiView.cpp
+++ b/src/frontends/qt4/GuiView.cpp
@@ -1206,7 +1206,12 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
 		buf = 0;
 
 	if (cmd.origin == FuncRequest::TOC) {
-		//FIXME: dispatch this to the toc
+		GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
+		FuncStatus fs;
+		if (toc->getStatus(view()->cursor(), cmd, fs))
+			flag |= fs;
+		else
+			flag.setEnabled(false);
 		return true;
 	}
 
diff --git a/src/frontends/qt4/TocWidget.cpp b/src/frontends/qt4/TocWidget.cpp
index 3387722d52..f44283ef80 100644
--- a/src/frontends/qt4/TocWidget.cpp
+++ b/src/frontends/qt4/TocWidget.cpp
@@ -21,6 +21,7 @@
 #include "Buffer.h"
 #include "CutAndPaste.h"
 #include "FuncRequest.h"
+#include "FuncStatus.h"
 #include "LyXFunc.h"
 #include "Menus.h"
 #include "TocBackend.h"
@@ -95,7 +96,7 @@ void TocWidget::showContextMenu(const QPoint & pos)
 }
 
 
-void TocWidget::doDispatch(Cursor & cur, FuncRequest const & cmd)
+Inset * TocWidget::itemInset() const
 {
 	QModelIndex const & index = tocTV->currentIndex();
 	TocItem const & item =
@@ -116,6 +117,25 @@ void TocWidget::doDispatch(Cursor & cur, FuncRequest const & cmd)
 		tmp_dit.pop_back();
 		inset = &tmp_dit.inset();
 	}
+	return inset;
+}
+
+
+bool TocWidget::getStatus(Cursor & cur, FuncRequest const & cmd,
+	FuncStatus & status) const
+{
+	Inset * inset = itemInset();
+
+	FuncRequest tmpcmd(cmd);
+	if (inset)
+		return inset->getStatus(cur, tmpcmd, status);
+	return false;
+}
+
+
+void TocWidget::doDispatch(Cursor & cur, FuncRequest const & cmd)
+{
+	Inset * inset = itemInset();
 
 	FuncRequest tmpcmd(cmd);
 	if (inset)
diff --git a/src/frontends/qt4/TocWidget.h b/src/frontends/qt4/TocWidget.h
index 809d4600f3..d2ca8b8375 100644
--- a/src/frontends/qt4/TocWidget.h
+++ b/src/frontends/qt4/TocWidget.h
@@ -36,8 +36,11 @@ public:
 
 	/// Initialise GUI.
 	void init(QString const & str);
-
+	///
 	void doDispatch(Cursor & cur, FuncRequest const & fr);
+	///
+	bool getStatus(Cursor & cur, FuncRequest const & fr, FuncStatus & status)
+		const;
 
 public Q_SLOTS:
 	/// Update the display of the dialog whilst it is still visible.
@@ -70,6 +73,9 @@ private:
 	void setTreeDepth(int depth);
 	///
 	void outline(int func_code);
+	/// finds the inset that is connected to the current item,
+	/// if any, otherwise return null
+	Inset * itemInset() const;
 	///
 	QString current_type_;
 
-- 
2.39.2