+wxRect wxBookCtrlBase::GetPageRect() const
+{
+ const wxSize size = GetControllerSize();
+
+ wxPoint pt;
+ wxRect rectPage(pt, GetClientSize());
+
+ switch ( GetWindowStyle() & wxBK_ALIGN_MASK )
+ {
+ default:
+ wxFAIL_MSG( wxT("unexpected alignment") );
+ // fall through
+
+ case wxBK_TOP:
+ rectPage.y = size.y + GetInternalBorder();
+ // fall through
+
+ case wxBK_BOTTOM:
+ rectPage.height -= size.y + GetInternalBorder();
+ if (rectPage.height < 0)
+ rectPage.height = 0;
+ break;
+
+ case wxBK_LEFT:
+ rectPage.x = size.x + GetInternalBorder();
+ // fall through
+
+ case wxBK_RIGHT:
+ rectPage.width -= size.x + GetInternalBorder();
+ if (rectPage.width < 0)
+ rectPage.width = 0;
+ break;
+ }
+
+ return rectPage;
+}
+
+// Lay out controls
+void wxBookCtrlBase::DoSize()
+{
+ if ( !m_bookctrl )
+ {
+ // we're not fully created yet or OnSize() should be hidden by derived class
+ return;
+ }
+
+ if (GetSizer())
+ Layout();
+ else
+ {
+ // resize controller and the page area to fit inside our new size
+ const wxSize sizeClient( GetClientSize() ),
+ sizeBorder( m_bookctrl->GetSize() - m_bookctrl->GetClientSize() ),
+ sizeCtrl( GetControllerSize() );
+
+ m_bookctrl->SetClientSize( sizeCtrl.x - sizeBorder.x, sizeCtrl.y - sizeBorder.y );
+ // if this changes the visibility of the scrollbars the best size changes, relayout in this case
+ wxSize sizeCtrl2 = GetControllerSize();
+ if ( sizeCtrl != sizeCtrl2 )
+ {
+ wxSize sizeBorder2 = m_bookctrl->GetSize() - m_bookctrl->GetClientSize();
+ m_bookctrl->SetClientSize( sizeCtrl2.x - sizeBorder2.x, sizeCtrl2.y - sizeBorder2.y );
+ }
+
+ const wxSize sizeNew = m_bookctrl->GetSize();
+ wxPoint posCtrl;
+ switch ( GetWindowStyle() & wxBK_ALIGN_MASK )
+ {
+ default:
+ wxFAIL_MSG( wxT("unexpected alignment") );
+ // fall through
+
+ case wxBK_TOP:
+ case wxBK_LEFT:
+ // posCtrl is already ok
+ break;
+
+ case wxBK_BOTTOM:
+ posCtrl.y = sizeClient.y - sizeNew.y;
+ break;
+
+ case wxBK_RIGHT:
+ posCtrl.x = sizeClient.x - sizeNew.x;
+ break;
+ }
+
+ if ( m_bookctrl->GetPosition() != posCtrl )
+ m_bookctrl->Move(posCtrl);
+ }
+
+ // resize all pages to fit the new control size
+ const wxRect pageRect = GetPageRect();
+ const unsigned pagesCount = m_pages.GetCount();
+ for ( unsigned int i = 0; i < pagesCount; ++i )
+ {
+ wxWindow * const page = m_pages[i];
+ if ( !page )
+ {
+ wxASSERT_MSG( AllowNullPage(),
+ wxT("Null page in a control that does not allow null pages?") );
+ continue;
+ }
+
+ page->SetSize(pageRect);
+ }
+}
+
+void wxBookCtrlBase::OnSize(wxSizeEvent& event)
+{
+ event.Skip();
+
+ DoSize();
+}
+
+wxSize wxBookCtrlBase::GetControllerSize() const
+{
+ // For at least some book controls (e.g. wxChoicebook) it may make sense to
+ // (temporarily?) hide the controller and we shouldn't leave extra space
+ // for the hidden control in this case.
+ if ( !m_bookctrl || !m_bookctrl->IsShown() )
+ return wxSize(0, 0);
+
+ const wxSize sizeClient = GetClientSize();
+
+ wxSize size;
+
+ // Ask for the best width/height considering the other direction.
+ if ( IsVertical() )
+ {
+ size.x = sizeClient.x;
+ size.y = m_bookctrl->GetBestHeight(sizeClient.x);
+ }
+ else // left/right aligned
+ {
+ size.x = m_bookctrl->GetBestWidth(sizeClient.y);
+ size.y = sizeClient.y;
+ }
+
+ return size;
+}
+
+// ----------------------------------------------------------------------------
+// miscellaneous stuff
+// ----------------------------------------------------------------------------
+