From 0c509866a37ab47ff0e48d357ca55e31658c37c2 Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Thu, 16 Sep 2010 14:12:27 +0000
Subject: map info support, initial trade window

---
 src/ui/listview.cc | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 src/ui/listview.cc

(limited to 'src/ui/listview.cc')

diff --git a/src/ui/listview.cc b/src/ui/listview.cc
new file mode 100644
index 0000000..56fa324
--- /dev/null
+++ b/src/ui/listview.cc
@@ -0,0 +1,68 @@
+/*
+   ui/listview.cc
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
+*/
+
+#include "ui/listview.h"
+
+namespace ui
+{
+
+ListView::ListView(Widget *parent) : Widget(parent)
+{
+	set_label("listview");
+	set_border(true);
+}
+
+ListView::~ListView()
+{
+}
+
+void ListView::set_scroll(float scroll)
+{
+	listview_scroll = scroll;
+	if (listview_scroll < 0)
+		listview_scroll = 0;
+	
+	// calculate maximal scroll size
+	float top = 0;
+	for (Children::iterator it = children().begin(); it != children().end(); it++) {		
+		top += (*it)->height();
+	}
+	if (listview_scroll > top) listview_scroll = top;
+}
+
+void ListView::inc_scroll(float scroll)
+{
+	set_scroll(listview_scroll + scroll);
+}
+
+void ListView::dec_scroll(float scroll)
+{
+	set_scroll(listview_scroll - scroll);
+}
+	
+void ListView::resize()
+{
+	float content_top = 0;
+	
+	// reposition all children within the container
+	for (Children::iterator it = children().begin(); it != children().end(); it++) {
+		(*it)->set_width(width());
+		if (content_top - listview_scroll < 0) {
+			// child widget is invisible
+			(*it)->hide();
+		} else if ((content_top - listview_scroll) >= height()) {
+			// child widget is invisible
+			(*it)->hide();
+		} else {
+			(*it)->show();
+			(*it)->set_location(0, content_top - listview_scroll);
+		}
+		
+		content_top += (*it)->height();
+	}
+}
+	
+}
-- 
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