/************************************************************************
Configure scroll bars
************************************************************************/
void ScrolledItemListBase::configureScrollbars(const Size& doc_size)
{
Scrollbar* v = getVertScrollbar();
Scrollbar* h = getHorzScrollbar();
Size render_area_size = getItemRenderArea().getSize();
// setup the pane size
float pane_size_w = ceguimax(doc_size.d_width, render_area_size.d_width);
UVector2 pane_size(cegui_absdim(pane_size_w), cegui_absdim(doc_size.d_height));
d_pane->setMinSize(pane_size);
d_pane->setMaxSize(pane_size);
//d_pane->setWindowSize(pane_size);
// "fix" scrollbar visibility
if (d_forceVScroll || doc_size.d_height > render_area_size.d_height)
{
v->show();
}
else
{
v->hide();
}
//render_area_size = getItemRenderArea().getSize();
if (d_forceHScroll || doc_size.d_width > render_area_size.d_width)
{
h->show();
}
else
{
h->hide();
}
// get a fresh item render area
Rect render_area = getItemRenderArea();
render_area_size = render_area.getSize();
// update the pane clipper area
static_cast<ClippedContainer*>(d_pane)->setClipArea(render_area);
// setup vertical scrollbar
v->setDocumentSize(doc_size.d_height);
v->setPageSize(render_area_size.d_height);
v->setStepSize(ceguimax(1.0f, render_area_size.d_height / 10.0f));
v->setScrollPosition(v->getScrollPosition());
// setup horizontal scrollbar
h->setDocumentSize(doc_size.d_width);
h->setPageSize(render_area_size.d_width);
h->setStepSize(ceguimax(1.0f, render_area_size.d_width / 10.0f));
h->setScrollPosition(h->getScrollPosition());
}
/************************************************************************
Initialise
************************************************************************/
void ScrolledItemListBase::initialiseComponents()
{
// Only process the content pane if it hasn't been done in the past
// NOTE: This ensures that a duplicate content pane is not created. An example where
// this would be possible would be when changing the Look'N'Feel of the widget
// (for instance an ItemListBox), an operation which would reconstruct the child components
// of the widget by destroying the previous ones and creating new ones with the
// new Look'N'Feel. However, since the content pane is not defined in the
// look and feel file and thus not associated with the look'N'Feel itself
// but instead created here manually, the destruction would not contemplate the content
// pane itself, so when the children would be rebuilt, a duplicate content pane
// would be attempted (and an exception would be issued).
if(!d_pane)
{
// IMPORTANT:
// we must do this before the base class handling or we'll lose the onChildRemoved subscriber!!!
d_pane = WindowManager::getSingletonPtr()->createWindow("ClippedContainer", d_name+ContentPaneNameSuffix);
// set up clipping
static_cast<ClippedContainer*>(d_pane)->setClipperWindow(this);
addChildWindow(d_pane);
}
// base class handling
ItemListBase::initialiseComponents();
// set default pane position
Rect r = getItemRenderArea();
d_pane->setPosition(UVector2(cegui_absdim(r.d_left),cegui_absdim(r.d_top)));
// init scrollbars
Scrollbar* v = getVertScrollbar();
Scrollbar* h = getHorzScrollbar();
v->setAlwaysOnTop(true);
h->setAlwaysOnTop(true);
v->subscribeEvent(Scrollbar::EventScrollPositionChanged,
Event::Subscriber(&ScrolledItemListBase::handle_VScroll,this));
h->subscribeEvent(Scrollbar::EventScrollPositionChanged,
Event::Subscriber(&ScrolledItemListBase::handle_HScroll,this));
v->hide();
h->hide();
}
/*************************************************************************
display required integrated scroll bars according to current state
of the list box and update their values.
*************************************************************************/
void Listbox::configureScrollbars(void)
{
Scrollbar* vertScrollbar = getVertScrollbar();
Scrollbar* horzScrollbar = getHorzScrollbar();
float totalHeight = getTotalItemsHeight();
float widestItem = getWidestItemWidth();
//
// First show or hide the scroll bars as needed (or requested)
//
// show or hide vertical scroll bar as required (or as specified by option)
if ((totalHeight > getListRenderArea().getHeight()) || d_forceVertScroll)
{
vertScrollbar->show();
// show or hide horizontal scroll bar as required (or as specified by option)
if ((widestItem > getListRenderArea().getWidth()) || d_forceHorzScroll)
{
horzScrollbar->show();
}
else
{
horzScrollbar->hide();
}
}
else
{
// show or hide horizontal scroll bar as required (or as specified by option)
if ((widestItem > getListRenderArea().getWidth()) || d_forceHorzScroll)
{
horzScrollbar->show();
// show or hide vertical scroll bar as required (or as specified by option)
if ((totalHeight > getListRenderArea().getHeight()) || d_forceVertScroll)
{
vertScrollbar->show();
}
else
{
vertScrollbar->hide();
}
}
else
{
vertScrollbar->hide();
horzScrollbar->hide();
}
}
//
// Set up scroll bar values
//
Rect renderArea(getListRenderArea());
vertScrollbar->setDocumentSize(totalHeight);
vertScrollbar->setPageSize(renderArea.getHeight());
vertScrollbar->setStepSize(ceguimax(1.0f, renderArea.getHeight() / 10.0f));
vertScrollbar->setScrollPosition(vertScrollbar->getScrollPosition());
horzScrollbar->setDocumentSize(widestItem);
horzScrollbar->setPageSize(renderArea.getWidth());
horzScrollbar->setStepSize(ceguimax(1.0f, renderArea.getWidth() / 10.0f));
horzScrollbar->setScrollPosition(horzScrollbar->getScrollPosition());
}
/*************************************************************************
display required integrated scroll bars according to current state
of the list box and update their values.
*************************************************************************/
void Listbox::configureScrollbars(void)
{
Scrollbar* vertScrollbar;
Scrollbar* horzScrollbar;
try
{
vertScrollbar = static_cast<Scrollbar*>(WindowManager::getSingleton().getWindow(getName() + "__auto_vscrollbar__"));
horzScrollbar = static_cast<Scrollbar*>(WindowManager::getSingleton().getWindow(getName() + "__auto_hscrollbar__"));
}
catch (UnknownObjectException)
{
// no scrollbars? Can't configure then!
return;
}
float totalHeight = getTotalItemsHeight();
float widestItem = getWidestItemWidth();
//
// First show or hide the scroll bars as needed (or requested)
//
// show or hide vertical scroll bar as required (or as specified by option)
if ((totalHeight > getListRenderArea().getHeight()) || d_forceVertScroll)
{
vertScrollbar->show();
// show or hide horizontal scroll bar as required (or as specified by option)
if ((widestItem > getListRenderArea().getWidth()) || d_forceHorzScroll)
{
horzScrollbar->show();
}
else
{
horzScrollbar->hide();
}
}
else
{
// show or hide horizontal scroll bar as required (or as specified by option)
if ((widestItem > getListRenderArea().getWidth()) || d_forceHorzScroll)
{
horzScrollbar->show();
// show or hide vertical scroll bar as required (or as specified by option)
if ((totalHeight > getListRenderArea().getHeight()) || d_forceVertScroll)
{
vertScrollbar->show();
}
else
{
vertScrollbar->hide();
}
}
else
{
vertScrollbar->hide();
horzScrollbar->hide();
}
}
//
// Set up scroll bar values
//
Rect renderArea(getListRenderArea());
vertScrollbar->setDocumentSize(totalHeight);
vertScrollbar->setPageSize(renderArea.getHeight());
vertScrollbar->setStepSize(ceguimax(1.0f, renderArea.getHeight() / 10.0f));
vertScrollbar->setScrollPosition(vertScrollbar->getScrollPosition());
horzScrollbar->setDocumentSize(widestItem);
horzScrollbar->setPageSize(renderArea.getWidth());
horzScrollbar->setStepSize(ceguimax(1.0f, renderArea.getWidth() / 10.0f));
horzScrollbar->setScrollPosition(horzScrollbar->getScrollPosition());
}