X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flistdata.h;h=9d1a45704fea947c33f1168787c2154b87039da3;hb=1bc84ded58379ee24315db8784d9fb710a02e24e;hp=094b287b703545c294f71a644b33b5be0032af00;hpb=37fc7121c2bde0925e76a9af92c979d7c311315b;p=libs%2Fgltk.git

diff --git a/source/listdata.h b/source/listdata.h
index 094b287..9d1a457 100644
--- a/source/listdata.h
+++ b/source/listdata.h
@@ -1,6 +1,7 @@
 #ifndef MSP_GLTK_LISTDATA_H_
 #define MSP_GLTK_LISTDATA_H_
 
+#include <stdexcept>
 #include <string>
 #include <vector>
 #include <sigc++/signal.h>
@@ -15,7 +16,7 @@ public:
 	sigc::signal<void, unsigned> signal_item_added;
 	sigc::signal<void, unsigned> signal_item_removed;
 	sigc::signal<void> signal_cleared;
-	sigc::signal<void> signal_refresh_strings;
+	sigc::signal<void, unsigned> signal_refresh_item;
 
 protected:
 	ListData() { }
@@ -24,7 +25,12 @@ public:
 
 	virtual unsigned size() const = 0;
 	virtual std::string get_string(unsigned) const = 0;
-	void refresh_strings() const { signal_refresh_strings.emit(); }
+	void refresh(unsigned i) const
+	{
+		if(i>=size())
+			throw std::out_of_range("ListData::refresh");
+		signal_refresh_item.emit(i);
+	}
 };
 
 template<typename T>
@@ -38,7 +44,7 @@ protected:
 public:
 	void append(const T &v) { insert(items.size(), v); }
 
-	void insert(unsigned i, const T & v)
+	void insert(unsigned i, const T &v)
 	{
 		if(i>items.size())
 			throw std::out_of_range("ListDataStore::insert");
@@ -63,6 +69,14 @@ public:
 		return -1;
 	}
 
+	using ListData::refresh;
+	void refresh(const T &v) const
+	{
+		int i = find(v);
+		if(i>=0)
+			signal_refresh_item.emit(i);
+	}
+
 	void remove(unsigned i)
 	{
 		if(i>=items.size())