void
GridView::MoveFocus(Direction direction)
{
signed focusPos = GetIndexOfItemInFocus();
if (focusPos == -1)
// We are on a page without enabled items.
// We should show the next page if exists
ShowNextPage(direction);
else {
signed newFocusPos = GetNextItemIndex(focusPos, direction);
if (newFocusPos != -1) {
// we are on the same page
items[newFocusPos]->SetFocus();
if (!items[newFocusPos]->HasFocus()) {
/* unable to set the focus, let's try simple Tab/Shift-Tab
behavior instead */
newFocusPos = GetNextEnabledItemIndex(focusPos, direction);
if (newFocusPos != -1)
items[newFocusPos]->SetFocus();
}
RefreshLayout();
} else
ShowNextPage(direction);
}
}
fresult ItemsListFormBase::SetActiveItem( sbyte_t index )
{
fresult fres;
_currentItemIndex = index;
sbyte_t prevIndex = GetPrevItemIndex(index);
if (prevIndex == -1)
{
fres = _mnuBack->SetVisible(FALSE);
ENSURESUCCESS(fres);
fres = _mnuBack->SetEnabled(FALSE);
ENSURESUCCESS(fres);
}
else
{
fres = _mnuBack->SetVisible(TRUE);
ENSURESUCCESS(fres);
fres = _mnuBack->SetEnabled(TRUE);
ENSURESUCCESS(fres);
}
sbyte_t nextIndex = GetNextItemIndex(index);
if (nextIndex == -1)
{
fres = _mnuNext->SetVisible(FALSE);
ENSURESUCCESS(fres);
fres = _mnuNext->SetEnabled(FALSE);
ENSURESUCCESS(fres);
}
else
{
fres = _mnuNext->SetVisible(TRUE);
ENSURESUCCESS(fres);
fres = _mnuNext->SetEnabled(TRUE);
ENSURESUCCESS(fres);
}
return SUCCESS;
}
fresult ItemsListFormBase::OnMenuR( IMenuItem* mi )
{
fresult fres;
sbyte_t index;
index = GetNextItemIndex(_currentItemIndex);
if (index != -1)
{
fres = SetActiveItem(index);
ENSURESUCCESS(fres);
}
else
{
//should't be here
fres = SetActiveItem(_currentItemIndex);
ENSURESUCCESS(fres);
}
return SUCCESS;
}
