void PopupWindow::onPreferredSize(PreferredSizeEvent& ev)
{
ScreenGraphics g;
g.setFont(getFont());
Size resultSize(0, 0);
if (hasText())
resultSize = g.fitString(getText(),
(getClientBounds() - getBorder()).w,
getAlign());
resultSize.w += border_width.l + border_width.r;
resultSize.h += border_width.t + border_width.b;
if (!getChildren().empty()) {
Size maxSize(0, 0);
Size reqSize;
UI_FOREACH_WIDGET(getChildren(), it) {
Widget* child = *it;
reqSize = child->getPreferredSize();
maxSize.w = MAX(maxSize.w, reqSize.w);
maxSize.h = MAX(maxSize.h, reqSize.h);
}
void PopupWindow::onSizeHint(SizeHintEvent& ev)
{
ScreenGraphics g;
g.setFont(font());
Size resultSize(0, 0);
if (hasText())
resultSize = g.fitString(text(),
(clientBounds() - border()).w,
align());
resultSize.w += border().width();
resultSize.h += border().height();
if (!children().empty()) {
Size maxSize(0, 0);
Size reqSize;
for (auto child : children()) {
reqSize = child->sizeHint();
maxSize.w = MAX(maxSize.w, reqSize.w);
maxSize.h = MAX(maxSize.h, reqSize.h);
}
resultSize.w = MAX(resultSize.w, maxSize.w + border().width());
resultSize.h += maxSize.h;
}
ev.setSizeHint(resultSize);
}
void ComboBox::updateMaxItemSize(const String& text)
{
ScreenGraphics g;
g.setFont(getFont());
m_maxItemSize = m_maxItemSize.createUnion(g.measureString(text));
}