| 205 | } |
| 206 | |
| 207 | void Notebook::NextPage() { |
| 208 | auto old_page = m_current_page; |
| 209 | |
| 210 | if( ( m_current_page >= 0 ) && ( m_current_page < GetPageCount() ) ) { |
| 211 | m_children[static_cast<std::size_t>( m_current_page )].child->Show( false ); |
| 212 | } |
| 213 | |
| 214 | m_current_page = std::min( m_current_page + 1, GetPageCount() - 1 ); |
| 215 | |
| 216 | if( ( m_current_page >= 0 ) && ( m_current_page < GetPageCount() ) ) { |
| 217 | m_children[static_cast<std::size_t>( m_current_page )].child->Show( true ); |
| 218 | } |
| 219 | |
| 220 | if( m_current_page != old_page ) { |
| 221 | GetSignals().Emit( OnTabChange ); |
| 222 | } |
| 223 | |
| 224 | Invalidate(); |
| 225 | } |
| 226 | |
| 227 | void Notebook::PreviousPage() { |
| 228 | auto old_page = m_current_page; |