X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flist.cpp;h=8c0d789188ab917221336d98f09efbc66bb561fe;hb=9b29612d1cde85fee9b3f011e86a5cabe5dbcce3;hp=73f427bff7fdf2dbadb84eaa4e67b55152e27d0d;hpb=c435423919a20a87d100e1ee4cd1fc6ce223040c;p=libs%2Fgltk.git

diff --git a/source/list.cpp b/source/list.cpp
index 73f427b..8c0d789 100644
--- a/source/list.cpp
+++ b/source/list.cpp
@@ -33,6 +33,11 @@ List::List(const Resources &r):
 	update_style();
 }
 
+List::~List()
+{
+	delete slider;
+}
+
 void List::append(const string &v)
 {
 	items.push_back(v);
@@ -66,6 +71,21 @@ void List::clear()
 {
 	items.clear();
 	sel_index=-1;
+
+	recalculate_parameters();
+}
+
+void List::set_selected_index(int i)
+{
+	if(i<0)
+		sel_index=-1;
+	else if(i<static_cast<int>(items.size()))
+	{
+		sel_index=i;
+		signal_item_selected.emit(sel_index, items[sel_index]);
+	}
+	else
+		throw InvalidParameterValue("Index out of range");
 }
 
 const string &List::get_selected() const
@@ -93,7 +113,7 @@ void List::button_press(int x, int y, unsigned btn)
 			y+=items_part->get_margin().top;
 
 		unsigned i=(geom.h-1-y)/row_height;
-		if(i<n_visible)
+		if(i<n_visible && first+i<items.size())
 		{
 			sel_index=first+i;
 
@@ -132,6 +152,7 @@ void List::render_special(const Part &part) const
 
 		Geometry pgeom=geom;
 		pgeom.h=row_height;
+		pgeom.w-=margin.left+margin.right;
 
 		for(unsigned i=0; (i<n_visible && first+i<items.size()); ++i)
 		{
@@ -242,7 +263,8 @@ void List::recalculate_parameters()
 
 void List::slider_value_changed(double value)
 {
-	first=items.size()-n_visible-static_cast<unsigned>(value);
+	if(items.size()>n_visible)
+		first=items.size()-n_visible-static_cast<unsigned>(value);
 }