PreferredSize TBEditField::OnCalculatePreferredContentSize(const SizeConstraints &constraints)
{
int font_height = GetFont()->GetHeight();
PreferredSize ps;
if (m_adapt_to_content_size)
{
int old_layout_width = m_style_edit.layout_width;
int old_layout_height = m_style_edit.layout_height;
if (m_style_edit.packed.wrapping)
{
// If we have wrapping enabled, we have to set a virtual width and format the text
// so we can get the actual content width with a constant result every time.
// If the layouter does not respect our size constraints in the end, we may
// get a completly different content height due to different wrapping.
// To fix that, we need to layout in 2 passes.
// A hacky fix is to do something we probably shouldn't: use the old layout width
// as virtual width for the new.
//int layout_width = old_layout_width > 0 ? MAX(old_layout_width, m_virtual_width) : m_virtual_width;
int layout_width = m_virtual_width;
if (constraints.available_w != SizeConstraints::NO_RESTRICTION)
{
layout_width = constraints.available_w;
if (TBSkinElement *bg_skin = GetSkinBgElement())
layout_width -= bg_skin->padding_left + bg_skin->padding_right;
}
m_style_edit.SetLayoutSize(layout_width, old_layout_height, true);
ps.size_dependency = SIZE_DEP_HEIGHT_DEPEND_ON_WIDTH;
}
int width = m_style_edit.GetContentWidth();
int height = m_style_edit.GetContentHeight();
if (m_style_edit.packed.wrapping)
m_style_edit.SetLayoutSize(old_layout_width, old_layout_height, true);
height = MAX(height, font_height);
ps.min_w = ps.pref_w /*= ps.max_w*/ = width; // should go with the hack above.
//ps.min_w = ps.pref_w = ps.max_w = width;
ps.min_h = ps.pref_h = ps.max_h = height;
}
else
{
ps.pref_h = ps.min_h = font_height;
if (m_style_edit.packed.multiline_on)
{
ps.pref_w = font_height * 10;
ps.pref_h = font_height * 5;
}
else
ps.max_h = ps.pref_h;
}
return ps;
}
int TBLayout::CalculateSpacing()
{
// Get spacing from skin, if not specified
int spacing = m_spacing;
if (spacing == SPACING_FROM_SKIN)
{
if (TBSkinElement *e = GetSkinBgElement())
spacing = e->spacing;
assert(SPACING_FROM_SKIN == SKIN_VALUE_NOT_SPECIFIED);
if (spacing == SPACING_FROM_SKIN /*|| spacing == SKIN_VALUE_NOT_SPECIFIED*/)
spacing = g_tb_skin->GetDefaultSpacing();
}
return spacing;
}
PreferredSize TBWindow::OnCalculatePreferredSize(const SizeConstraints &constraints)
{
PreferredSize ps = OnCalculatePreferredContentSize(constraints);
// Add window skin padding
if (TBSkinElement *e = GetSkinBgElement())
{
ps.min_w += e->padding_left + e->padding_right;
ps.pref_w += e->padding_left + e->padding_right;
ps.min_h += e->padding_top + e->padding_bottom;
ps.pref_h += e->padding_top + e->padding_bottom;
}
// Add window title bar height
int title_height = GetTitleHeight();
ps.min_h += title_height;
ps.pref_h += title_height;
return ps;
}
