Method SetupSmallestSize

src/widget.cpp:1355–1394

}

void NWidgetStacked::SetupSmallestSize(Window *w)
{
	/* Zero size plane selected */
	if (this->shown_plane >= SZSP_BEGIN) {
		Dimension size    = {0, 0};
		Dimension padding = {0, 0};
		Dimension fill    = {(this->shown_plane == SZSP_HORIZONTAL), (this->shown_plane == SZSP_VERTICAL)};
		Dimension resize  = {(this->shown_plane == SZSP_HORIZONTAL), (this->shown_plane == SZSP_VERTICAL)};
		/* Here we're primarily interested in the value of resize */
		if (this->index >= 0) w->UpdateWidgetSize(this->index, size, padding, fill, resize);

		this->smallest_x = size.width;
		this->smallest_y = size.height;
		this->fill_x = fill.width;
		this->fill_y = fill.height;
		this->resize_x = resize.width;
		this->resize_y = resize.height;
		this->ApplyAspectRatio();
		return;
	}

	/* First sweep, recurse down and compute minimal size and filling. */
	this->smallest_x = 0;
	this->smallest_y = 0;
	this->fill_x = this->IsEmpty() ? 0 : 1;
	this->fill_y = this->IsEmpty() ? 0 : 1;
	this->resize_x = this->IsEmpty() ? 0 : 1;
	this->resize_y = this->IsEmpty() ? 0 : 1;
	for (const auto &child_wid : this->children) {
		child_wid->SetupSmallestSize(w);

		this->smallest_x = std::max(this->smallest_x, child_wid->smallest_x + child_wid->padding.Horizontal());
		this->smallest_y = std::max(this->smallest_y, child_wid->smallest_y + child_wid->padding.Vertical());
		this->fill_x = std::lcm(this->fill_x, child_wid->fill_x);
		this->fill_y = std::lcm(this->fill_y, child_wid->fill_y);
		this->resize_x = std::lcm(this->resize_x, child_wid->resize_x);
		this->resize_y = std::lcm(this->resize_y, child_wid->resize_y);
		this->ApplyAspectRatio();
	}
}

void NWidgetStacked::AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl)
{