X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/48158ec0bbc8e623febb4d04a54e2e435daf865e..2e74b767faf7548c6f6aae3a12506d46d3edd6c0:/lib/gui/elistbox.cpp

diff --git a/lib/gui/elistbox.cpp b/lib/gui/elistbox.cpp
index ba2e3522..4f799a17 100644
--- a/lib/gui/elistbox.cpp
+++ b/lib/gui/elistbox.cpp
@@ -9,6 +9,8 @@ eListbox::eListbox(eWidget *parent): eWidget(parent)
 	ePtr<eActionMap> ptr;
 	eActionMap::getInstance(ptr);
 	
+	m_itemheight = 20;
+	
 	ptr->bindAction("ListboxActions", 0, 0, this);
 }
 
@@ -49,17 +51,39 @@ void eListbox::moveSelection(int dir)
 		if (!m_content->cursorValid())
 			m_content->cursorMove(-1);
 		break;
+	case pageUp:
+		if (m_content->cursorGet() >= m_items_per_page)
+		{
+			m_content->cursorMove(-m_items_per_page);
+			m_top -= m_items_per_page;
+			if (m_top < 0)
+				m_top = 0;
+		} else
+		{
+			m_top = 0;
+			m_content->cursorHome();
+		}
+		break;
 	case moveTop:
 		m_content->cursorHome();
 		m_top = 0; /* align with top, speeds up process */
 		break;
+
+	case pageDown:
+		m_content->cursorMove(m_items_per_page);
+		if (m_content->cursorValid())
+			break;
+				/* fall through */
 	case moveEnd:
 			/* move to last existing one ("end" is already invalid) */
 		m_content->cursorEnd(); m_content->cursorMove(-1); 
-		
-		m_top = m_content->cursorGet() - m_items_per_page + 1;
-		if (m_top < 0)
-			m_top = 0;
+			/* current selection invisible? */
+		if (m_top + m_items_per_page <= m_content->cursorGet())
+		{
+			m_top = m_content->cursorGet() - m_items_per_page + 1;
+			if (m_top < 0)
+				m_top = 0;
+		}
 		break;
 	case justCheck:
 		break;
@@ -146,11 +170,19 @@ int eListbox::event(int event, void *data, void *data2)
 
 void eListbox::recalcSize()
 {
-	m_itemheight = 20;
 	m_content->setSize(eSize(size().width(), m_itemheight));
 	m_items_per_page = size().height() / m_itemheight;
 }
 
+void eListbox::setItemHeight(int h)
+{
+	if (h)
+		m_itemheight = h;
+	else
+		m_itemheight = 20;
+	recalcSize();
+}
+
 void eListbox::entryAdded(int index)
 {
 		/* manage our local pointers. when the entry was added before the current position, we have to advance. */