X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ffrontends%2Fqt4%2FTocWidget.h;h=3f67606302705f2cb049477e46a2c7c9a9745782;hb=b7f6b979d0f889f08e735f35378bb20ba3788b4b;hp=7c7ca3f0e33b2265afe7306313aa7be64c7351b7;hpb=23a58c021444dbd1b55157247ff5876f5a9d3358;p=lyx.git

diff --git a/src/frontends/qt4/TocWidget.h b/src/frontends/qt4/TocWidget.h
index 7c7ca3f0e3..3f67606302 100644
--- a/src/frontends/qt4/TocWidget.h
+++ b/src/frontends/qt4/TocWidget.h
@@ -16,7 +16,9 @@
 #include "ui_TocUi.h"
 
 #include "Cursor.h"
+#include "FuncCode.h"
 
+#include <QTimer>
 #include <QWidget>
 
 class QModelIndex;
@@ -43,8 +45,10 @@ public:
 		const;
 
 public Q_SLOTS:
-	/// Update the display of the dialog whilst it is still visible.
+	/// Schedule an update of the dialog, delaying expensive operations
 	void updateView();
+	/// Update completely without delay
+	void updateViewNow();
 
 protected Q_SLOTS:
 	///
@@ -67,13 +71,29 @@ protected Q_SLOTS:
 
 	void showContextMenu(const QPoint & pos);
 
+private Q_SLOTS:
+	/// Perform the expensive update operations
+	void finishUpdateView();
+
 private:
 	///
 	void enableControls(bool enable = true);
 	///
+	bool canOutline()
+		{ return current_type_ == "tableofcontents"; }
+	/// It is not possible to have synchronous navigation in a correct
+	/// and efficient way with the label and change type because Toc::item()
+	/// does a linear search. Even when fixed, it might even not be desirable
+	/// to do so if we want to support drag&drop of labels and references.
+	bool canNavigate()
+		{ return current_type_ != "label" && current_type_ != "change"; }
+	///
+	bool isSortable()
+		{ return current_type_ != "tableofcontents"; }
+	///
 	void setTreeDepth(int depth);
 	///
-	void outline(int func_code);
+	void outline(FuncCode func_code);
 	/// finds the inset that is connected to the current item,
 	/// if any, otherwise return null
 	Inset * itemInset() const;
@@ -86,6 +106,8 @@ private:
 	bool persistent_;
 	///
 	GuiView & gui_view_;
+	// Timer for scheduling expensive update operations
+	QTimer * timer_;
 };
 
 } // namespace frontend