#include <lib/actions/action.h>
eListbox::eListbox(eWidget *parent)
- :eWidget(parent), m_prev_scrollbar_page(-1), m_content_changed(false)
- , m_scrollbar_mode(showNever), m_scrollbar(NULL)
+ :eWidget(parent), m_scrollbar_mode(showNever), m_prev_scrollbar_page(-1)
+ ,m_content_changed(false), m_top(0), m_selected(0), m_itemheight(25)
+ ,m_items_per_page(0), m_selection_enabled(1), m_scrollbar(NULL)
{
- setContent(new eListboxStringContent());
+// setContent(new eListboxStringContent());
ePtr<eActionMap> ptr;
eActionMap::getInstance(ptr);
-
- m_itemheight = 25;
- m_selection_enabled = 1;
-
- m_items_per_page = 0;
-
ptr->bindAction("ListboxActions", 0, 0, this);
}
void eListbox::setContent(iListboxContent *content)
{
+ int oldsel = m_selected;
m_content = content;
if (content)
m_content->setListbox(this);
entryReset();
+ if (oldsel == m_selected)
+ /* emit */ selectionChanged();
}
void eListbox::moveSelection(int dir)
/* refuse to do anything without a valid list. */
if (!m_content)
return;
-
/* if our list does not have one entry, don't do anything. */
if (!m_items_per_page)
return;
-
/* we need the old top/sel to see what we have to redraw */
int oldtop = m_top;
int oldsel = m_selected;
-
/* first, move cursor */
switch (dir)
{
/* now, look wether the current selection is out of screen */
m_selected = m_content->cursorGet();
-
while (m_selected < m_top)
{
m_top -= m_items_per_page;
/* m_top should be always valid here as it's selected */
m_top += m_items_per_page;
+ if (oldsel != m_selected)
+ /* emit */ selectionChanged();
+
updateScrollBar();
if (m_top != oldtop)
invalidate();
else if (m_selected != oldsel)
{
-
- /* redraw the old and newly selected */
+ /* redraw the old and newly selected */
gRegion inv = eRect(0, m_itemheight * (m_selected-m_top), size().width(), m_itemheight);
inv |= eRect(0, m_itemheight * (oldsel-m_top), size().width(), m_itemheight);