void MWList::redraw(bool scrollbarShown)
{
const int _scrollBarWidth = 20; // fetch this from skin?
const int scrollBarWidth = scrollbarShown ? _scrollBarWidth : 0;
const int spacing = 3;
size_t viewPosition = -mScrollView->getViewOffset().top;
while (mScrollView->getChildCount())
{
MyGUI::Gui::getInstance().destroyWidget(mScrollView->getChildAt(0));
}
mItemHeight = 0;
int i=0;
for (std::vector<std::string>::const_iterator it=mItems.begin();
it!=mItems.end(); ++it)
{
if (*it != "")
{
MyGUI::Button* button = mScrollView->createWidget<MyGUI::Button>(
"MW_ListLine", MyGUI::IntCoord(0, mItemHeight, mScrollView->getSize().width - scrollBarWidth - 2, 24),
MyGUI::Align::Left | MyGUI::Align::Top, getName() + "_item_" + (*it));
button->setCaption((*it));
button->getSubWidgetText()->setWordWrap(true);
button->getSubWidgetText()->setTextAlign(MyGUI::Align::Left);
button->eventMouseWheel += MyGUI::newDelegate(this, &MWList::onMouseWheel);
button->eventMouseButtonClick += MyGUI::newDelegate(this, &MWList::onItemSelected);
int height = button->getTextSize().height;
button->setSize(MyGUI::IntSize(button->getSize().width, height));
button->setUserData(i);
mItemHeight += height + spacing;
}
else
{
MyGUI::ImageBox* separator = mScrollView->createWidget<MyGUI::ImageBox>("MW_HLine",
MyGUI::IntCoord(2, mItemHeight, mScrollView->getWidth() - scrollBarWidth - 4, 18),
MyGUI::Align::Left | MyGUI::Align::Top | MyGUI::Align::HStretch);
separator->setNeedMouseFocus(false);
mItemHeight += 18 + spacing;
}
++i;
}
mScrollView->setCanvasSize(mClient->getSize().width, std::max(mItemHeight, mClient->getSize().height));
if (!scrollbarShown && mItemHeight > mClient->getSize().height)
redraw(true);
size_t viewRange = mScrollView->getCanvasSize().height;
if(viewPosition > viewRange)
viewPosition = viewRange;
mScrollView->setViewOffset(MyGUI::IntPoint(0, -viewPosition));
}
