sf::Vector2f Window::CalculateRequisition() {
float visual_border_width( Context::Get().GetEngine().GetProperty<float>( "BorderWidth", shared_from_this() ) );
float gap( Context::Get().GetEngine().GetProperty<float>( "Gap", shared_from_this() ) );
sf::Vector2f requisition( 2 * visual_border_width + 2 * gap, 2 * visual_border_width + 2 * gap );
if( HasStyle( TITLEBAR ) ) {
unsigned int title_font_size( Context::Get().GetEngine().GetProperty<unsigned int>( "FontSize", shared_from_this() ) );
const sf::Font& title_font( *Context::Get().GetEngine().GetResourceManager().GetFont( Context::Get().GetEngine().GetProperty<std::string>( "FontName", shared_from_this() ) ) );
float title_height(
Context::Get().GetEngine().GetFontLineHeight( title_font, title_font_size ) +
2 * Context::Get().GetEngine().GetProperty<float>( "TitlePadding", shared_from_this() )
);
requisition.y += title_height;
}
if( GetChild() ) {
requisition += GetChild()->GetRequisition();
}
else {
requisition.x = std::max( 50.f, requisition.x );
requisition.y = std::max( 50.f, requisition.y * 2.f );
}
return requisition;
}
sf::Vector2f Window::GetRequisitionImpl() const {
sf::Vector2f requisition( 2 * GetBorderWidth(), 2 * GetBorderWidth() );
if( HasStyle( Titlebar ) ) {
float visual_border_width( Context::Get().GetEngine().GetProperty<float>( "BorderWidth", shared_from_this() ) );
float title_height( Context::Get().GetEngine().GetProperty<float>( "TitleHeight", shared_from_this() ) );
requisition.x += visual_border_width;
requisition.y += visual_border_width + title_height;
}
if( GetChild() ) {
requisition += GetChild()->GetRequisition();
}
else {
requisition.x = std::max( 50.f, requisition.x );
requisition.y = std::max( 50.f, requisition.y * 2.f );
}
return requisition;
}
sf::Vector2f Box::CalculateRequisition() {
sf::Vector2f requisition( 0.f, 0.f );
unsigned int num_visible( 0 );
ChildrenCont::const_iterator iter( m_children.begin() );
ChildrenCont::const_iterator iterend( m_children.end() );
for( ; iter != iterend; ++iter ) {
if( !IsChildInteresting( iter->widget ) ) {
continue;
}
++num_visible;
sf::Vector2f child_requisition( iter->widget->GetRequisition() );
if( m_orientation == HORIZONTAL ) {
requisition.x += child_requisition.x;
requisition.y = std::max( requisition.y, child_requisition.y );
}
else {
requisition.x = std::max( requisition.x, child_requisition.x );
requisition.y += child_requisition.y;
}
}
if( num_visible > 1 ) {
if( m_orientation == HORIZONTAL ) {
requisition.x += static_cast<float>( num_visible - 1 ) * GetSpacing();
}
else {
requisition.y += static_cast<float>( num_visible - 1 ) * GetSpacing();
}
}
float gap( Context::Get().GetEngine().GetProperty<float>( "Gap", shared_from_this() ) );
requisition.x += 2 * gap;
requisition.y += 2 * gap;
return requisition;
}
void Widget::RequestSize() const {
m_recalc_requisition = true;
Container::Ptr parent = m_parent.lock();
// Notify observers.
OnSizeRequest();
if( parent ) {
parent->RequestSize();
}
else {
sf::Vector2f requisition( GetRequisition() );
sf::FloatRect allocation(
GetAllocation().Left,
GetAllocation().Top,
std::max( GetAllocation().Width, requisition.x ),
std::max( GetAllocation().Height, requisition.y )
);
AllocateSize( allocation );
}
}
sf::Vector2f ComboBox::CalculateRequisition() {
float padding( Context::Get().GetEngine().GetProperty<float>( "ItemPadding", shared_from_this() ) );
const std::string& font_name( Context::Get().GetEngine().GetProperty<std::string>( "FontName", shared_from_this() ) );
unsigned int font_size( Context::Get().GetEngine().GetProperty<unsigned int>( "FontSize", shared_from_this() ) );
const sf::Font& font( *Context::Get().GetEngine().GetResourceManager().GetFont( font_name ) );
// Determine highest needed width of all items.
sf::Vector2f metrics( 0.f, 0.f );
for ( IndexType item = 0; item < GetItemCount(); ++item ) {
metrics.x = std::max( metrics.x, Context::Get().GetEngine().GetTextStringMetrics( m_entries[static_cast<std::size_t>( item )], font, font_size ).x );
}
metrics.y = Context::Get().GetEngine().GetFontLineHeight( font, font_size );
// This is needed for the arrow.
metrics.x += metrics.y;
sf::Vector2f requisition(
metrics.x + 3 * padding,
metrics.y + 2 * padding
);
return requisition;
}
