void WidgetListBox::updateVisible() {
if (_visibleItems.empty())
return;
GfxMan.lockFrame();
for (size_t i = 0; i < _visibleItems.size(); i++)
_visibleItems[i]->hide();
float itemHeight = _items.front()->getHeight();
float itemY = _contentY;
for (size_t i = 0; i < _visibleItems.size(); i++) {
WidgetListItem *item = _items[_startItem + i];
itemY -= itemHeight;
item->setPosition(_contentX, itemY, _contentZ - 5.0f);
_visibleItems[i] = item;
if (isVisible())
_visibleItems[i]->show();
}
GfxMan.unlockFrame();
}
void WidgetGridBox::unlock() {
assert(_locked);
_locked = false;
if (_items.empty()) {
GfxMan.unlockFrame();
return;
}
_itemsByRow = MIN<uint>(_contentWidth / _items.front()->getWidth(), _items.size());
uint vCount = MIN<uint>(_contentHeight / _items.front()->getHeight(), _items.size())
* _itemsByRow;
if ((vCount == 0) || (vCount == _visibleItems.size())) {
GfxMan.unlockFrame();
return;
}
assert(_visibleItems.size() < vCount);
_visibleItems.reserve(vCount);
uint start = _startItem + _visibleItems.size();
float itemHeight = _items.front()->getHeight();
float itemWidth = _items.front()->getWidth();
uint row = 0;
uint column = 0;
// If we reach the last row, compute the items that remains.
if (_items.size() - _startItem <= _visibleItems.size())
vCount -= _items.size() % _itemsByRow;
while (_visibleItems.size() < vCount) {
WidgetListItem *item = _items[start++];
// WORKAROUND: The x axis is shifted by 2 pixels in order to correctly render in
// the charportrait widget.
float itemY = _contentY - (row + 1) * (itemHeight + _innerVSpace) + _innerVSpace;
float itemX = _contentX + (column * (itemWidth + _innerHSpace)) - 2.0;
item->setPosition(itemX, itemY, _contentZ - 5.0);
_visibleItems.push_back(item);
if (isVisible())
_visibleItems.back()->show();
++column;
if (column == _itemsByRow) {
++row;
column = 0;
}
}
updateScrollbarLength();
updateScrollbarPosition();
GfxMan.unlockFrame();
}
void WidgetGridBox::updateVisible() {
if (_visibleItems.empty())
return;
GfxMan.lockFrame();
for (uint i = 0; i < _visibleItems.size(); i++)
_visibleItems[i]->hide();
if (_visibleItems.size() > _items.size())
_visibleItems.resize(_items.size());
float itemHeight = _items.front()->getHeight() + _innerVSpace;
float itemWidth = _items.front()->getWidth() + _innerHSpace;
float itemY = _contentY - itemHeight + _innerVSpace;
uint column = 0;
int count = 0;
if (_items.size() - _startItem <= _visibleItems.size())
count = _items.size() % _itemsByRow;
for (uint i = 0; i < (_visibleItems.size() - count); i++) {
WidgetListItem *item = _items[_startItem + i];
if (column == _itemsByRow) {
itemY -= itemHeight;
column = 0;
}
// WORKAROUND: The x axis is shifted by 2 pixels in order to correctly render in
// the charportrait widget.
item->setPosition(_contentX + column * itemWidth - 2.0, itemY, _contentZ - 5.0);
_visibleItems[i] = item;
if (isVisible())
_visibleItems[i]->show();
++column;
}
GfxMan.unlockFrame();
}
void WidgetListBox::unlock() {
assert(_locked);
_locked = false;
if (_items.empty()) {
GfxMan.unlockFrame();
return;
}
size_t count = MIN<size_t>(_contentHeight / _items.front()->getHeight(), _items.size());
if ((count == 0) || (count == _visibleItems.size())) {
GfxMan.unlockFrame();
return;
}
assert(_visibleItems.size() < count);
_visibleItems.reserve(count);
size_t start = _startItem + _visibleItems.size();
float itemHeight = _items.front()->getHeight();
while (_visibleItems.size() < count) {
WidgetListItem *item = _items[start++];
float itemY = _contentY - (_visibleItems.size() + 1) * itemHeight;
item->setPosition(_contentX, itemY, _contentZ - 5.0f);
_visibleItems.push_back(item);
if (isVisible())
_visibleItems.back()->show();
}
updateScrollbarLength();
updateScrollbarPosition();
GfxMan.unlockFrame();
}
