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/Makefile.am |  6 +++--
 src/ui/listview.cc | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/ui/listview.h  | 50 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 122 insertions(+), 2 deletions(-)
 create mode 100644 src/ui/listview.cc
 create mode 100644 src/ui/listview.h

(limited to 'src/ui')

diff --git a/src/ui/Makefile.am b/src/ui/Makefile.am
index 561935c..98c8dab 100644
--- a/src/ui/Makefile.am
+++ b/src/ui/Makefile.am
@@ -8,11 +8,13 @@ noinst_LTLIBRARIES = libui.la
 endif
 
 noinst_HEADERS = bitmap.h button.h console.h container.h definitions.h font.h \
-	iconbutton.h inputbox.h label.h menu.h modelview.h paint.h palette.h scrollpane.h toolbar.h ui.h widget.h \
+	iconbutton.h inputbox.h label.h listview.h menu.h modelview.h paint.h \
+	palette.h scrollpane.h toolbar.h ui.h widget.h \
 	window.h
 
 libui_la_SOURCES = bitmap.cc button.cc console.cc container.cc \
-	font.cc iconbutton.cc inputbox.cc label.cc menu.cc modelview.cc paint.cc palette.cc scrollpane.cc \
+	font.cc iconbutton.cc inputbox.cc label.cc listview.cc \
+	menu.cc modelview.cc paint.cc palette.cc scrollpane.cc \
 	toolbar.cc ui.cc widget.cc window.cc
 libui_la_LDFLAGS = -avoid-version -no-undefined
 
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();
+	}
+}
+	
+}
diff --git a/src/ui/listview.h b/src/ui/listview.h
new file mode 100644
index 0000000..25fd07c
--- /dev/null
+++ b/src/ui/listview.h
@@ -0,0 +1,50 @@
+/*
+   ui/listview.h
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
+*/
+
+#ifndef __INCLUDED_UI_LISTVIEW_H__
+#define __INCLUDED_UI_LISTVIEW_H__
+
+#include <string>
+#include "ui/widget.h"
+
+namespace ui
+{
+
+/**
+ * @brief a list of selectable items
+ **/
+class ListView : public Widget
+{
+public:
+	ListView(Widget *parent=0);
+	~ListView();
+	
+	/// current scroll position
+	inline float scroll() const {
+		return listview_scroll;
+	}
+
+	/* -- mutators --------------------------------------------- */
+
+	/// set scroll
+	void set_scroll(float scroll);
+
+	/// scroll down
+	void inc_scroll(float scroll);
+
+	/// scroll up
+	void dec_scroll(float scroll); 
+	
+protected:	
+	virtual void resize();
+	
+private:
+	float	listview_scroll;
+};
+
+} // namespacd ui
+
+#endif // __INCLUDED_UI_LISTVIEW_H__
-- 
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