X-Git-Url: http://git.tdb.fi/?p=libs%2Fgltk.git;a=blobdiff_plain;f=source%2Flistdata.h;fp=source%2Flistdata.h;h=cd4fb9a3f96b6c52e18b4804eadeb4ade61c8d0b;hp=77be5ee7b8e1cb52200936eb05d85ddc0b8cc3c4;hb=aa9b8db38efb9e97460c76e27cecc4d1591b23e5;hpb=762a689d799075c0a10e1633bf95d53de80b4572

diff --git a/source/listdata.h b/source/listdata.h
index 77be5ee..cd4fb9a 100644
--- a/source/listdata.h
+++ b/source/listdata.h
@@ -14,19 +14,19 @@ namespace GLtk {
 class MSPGLTK_API ListData
 {
 public:
-	sigc::signal<void, unsigned> signal_item_added;
-	sigc::signal<void, unsigned> signal_item_removed;
+	sigc::signal<void, std::size_t> signal_item_added;
+	sigc::signal<void, std::size_t> signal_item_removed;
 	sigc::signal<void> signal_cleared;
-	sigc::signal<void, unsigned> signal_refresh_item;
+	sigc::signal<void, std::size_t> signal_refresh_item;
 
 protected:
 	ListData() = default;
 public:
 	virtual ~ListData() = default;
 
-	virtual unsigned size() const = 0;
-	virtual std::string get_string(unsigned) const = 0;
-	void refresh(unsigned i) const
+	virtual std::size_t size() const = 0;
+	virtual std::string get_string(std::size_t) const = 0;
+	void refresh(std::size_t i) const
 	{
 		if(i>=size())
 			throw std::out_of_range("ListData::refresh");
@@ -45,7 +45,7 @@ protected:
 public:
 	void append(const T &v) { insert(items.size(), v); }
 
-	void insert(unsigned i, const T &v)
+	void insert(std::size_t i, const T &v)
 	{
 		if(i>items.size())
 			throw std::out_of_range("ListDataStore::insert");
@@ -54,7 +54,7 @@ public:
 		signal_item_added.emit(i);
 	}
 
-	const T &get(unsigned i) const
+	const T &get(std::size_t i) const
 	{
 		if(i>=items.size())
 			throw std::out_of_range("ListDataStore::get");
@@ -62,23 +62,23 @@ public:
 		return items[i];
 	}
 
-	int find(const T &v) const
+	std::size_t find(const T &v) const
 	{
-		for(unsigned i=0; i<items.size(); ++i)
+		for(std::size_t i=0; i<items.size(); ++i)
 			if(items[i]==v)
 				return i;
-		return -1;
+		return std::numeric_limits<std::size_t>::max();
 	}
 
 	using ListData::refresh;
 	void refresh(const T &v) const
 	{
-		int i = find(v);
-		if(i>=0)
+		std::size_t i = find(v);
+		if(i<items.size())
 			signal_refresh_item.emit(i);
 	}
 
-	void remove(unsigned i)
+	void remove(std::size_t i)
 	{
 		if(i>=items.size())
 			throw std::out_of_range("ListDataStore::remove");
@@ -93,14 +93,14 @@ public:
 		signal_cleared.emit();
 	}
 
-	unsigned size() const override { return items.size(); }
+	std::size_t size() const override { return items.size(); }
 };
 
 template<typename T>
 class BasicListData: public ListDataStore<T>
 {
 public:
-	virtual std::string get_string(unsigned i) const
+	virtual std::string get_string(std::size_t i) const
 	{ return lexical_cast<std::string>(this->get(i)); }
 };
 
@@ -116,7 +116,7 @@ private:
 public:
 	FunctionListData(Func f): func(f) { }
 
-	std::string get_string(unsigned i) const override
+	std::string get_string(std::size_t i) const override
 	{ return func(this->get(i)); }
 };