+ wxCHECK_MSG( node, false, _T("Failed to find child node") );
+
+ wxSizerItem *item = node->GetData();
+ node->SetData(newitem);
+ delete item;
+
+ return true;
+}
+
+void wxSizer::Clear( bool delete_windows )
+{
+ // First clear the ContainingSizer pointers
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->IsWindow())
+ item->GetWindow()->SetContainingSizer( NULL );
+ node = node->GetNext();
+ }
+
+ // Destroy the windows if needed
+ if (delete_windows)
+ DeleteWindows();
+
+ // Now empty the list
+ WX_CLEAR_LIST(wxSizerItemList, m_children);
+}
+
+void wxSizer::DeleteWindows()
+{
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ item->DeleteWindows();
+ node = node->GetNext();
+ }
+}
+
+wxSize wxSizer::Fit( wxWindow *window )
+{
+ // take the min size by default and limit it by max size
+ wxSize size = GetMinWindowSize(window);
+ wxSize sizeMax = GetMaxWindowSize(window);
+
+ wxTopLevelWindow *tlw = wxDynamicCast(window, wxTopLevelWindow);
+ if ( tlw )
+ {
+ // hack for small screen devices where TLWs are always full screen
+ if ( tlw->IsAlwaysMaximized() )
+ {
+ size = tlw->GetSize();
+ }
+ else // normal situation
+ {
+ // limit the window to the size of the display it is on
+ int disp = wxDisplay::GetFromWindow(window);
+ if ( disp == wxNOT_FOUND )
+ {
+ // or, if we don't know which one it is, of the main one
+ disp = 0;
+ }
+
+ sizeMax = wxDisplay(disp).GetClientArea().GetSize();
+ }
+ }
+
+ if ( sizeMax.x != wxDefaultCoord && size.x > sizeMax.x )
+ size.x = sizeMax.x;
+ if ( sizeMax.y != wxDefaultCoord && size.y > sizeMax.y )
+ size.y = sizeMax.y;
+
+
+ window->SetSize( size );
+
+ return size;
+}
+
+void wxSizer::FitInside( wxWindow *window )
+{
+ wxSize size;
+ if (window->IsTopLevel())
+ size = VirtualFitSize( window );
+ else
+ size = GetMinClientSize( window );
+
+ window->SetVirtualSize( size );
+}
+
+void wxSizer::Layout()
+{
+ // (re)calculates minimums needed for each item and other preparations
+ // for layout
+ CalcMin();
+
+ // Applies the layout and repositions/resizes the items
+ RecalcSizes();
+}
+
+void wxSizer::SetSizeHints( wxWindow *window )
+{
+ // Preserve the window's max size hints, but set the
+ // lower bound according to the sizer calculations.
+
+ wxSize size = Fit( window );
+
+ window->SetSizeHints( size.x,
+ size.y,
+ window->GetMaxWidth(),
+ window->GetMaxHeight() );
+}
+
+#if WXWIN_COMPATIBILITY_2_8
+void wxSizer::SetVirtualSizeHints( wxWindow *window )
+{
+ FitInside( window );
+}
+#endif // WXWIN_COMPATIBILITY_2_8
+
+wxSize wxSizer::GetMaxWindowSize( wxWindow *window ) const
+{
+ return window->GetMaxSize();
+}
+
+wxSize wxSizer::GetMinWindowSize( wxWindow *window )
+{
+ wxSize minSize( GetMinSize() );
+ wxSize size( window->GetSize() );
+ wxSize client_size( window->GetClientSize() );
+
+ return wxSize( minSize.x+size.x-client_size.x,
+ minSize.y+size.y-client_size.y );
+}
+
+// TODO on mac we need a function that determines how much free space this
+// min size contains, in order to make sure that we have 20 pixels of free
+// space around the controls
+wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const
+{
+ wxSize maxSize( window->GetMaxSize() );
+
+ if ( maxSize != wxDefaultSize )
+ {
+ wxSize size( window->GetSize() );
+ wxSize client_size( window->GetClientSize() );
+
+ return wxSize( maxSize.x + client_size.x - size.x,
+ maxSize.y + client_size.y - size.y );
+ }
+ else
+ return wxDefaultSize;
+}
+
+wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) )
+{
+ return GetMinSize(); // Already returns client size.
+}
+
+wxSize wxSizer::VirtualFitSize( wxWindow *window )
+{
+ wxSize size = GetMinClientSize( window );
+ wxSize sizeMax = GetMaxClientSize( window );
+
+ // Limit the size if sizeMax != wxDefaultSize
+
+ if ( size.x > sizeMax.x && sizeMax.x != wxDefaultCoord )
+ size.x = sizeMax.x;
+ if ( size.y > sizeMax.y && sizeMax.y != wxDefaultCoord )
+ size.y = sizeMax.y;
+
+ return size;
+}
+
+void wxSizer::SetDimension( int x, int y, int width, int height )
+{
+ m_position.x = x;
+ m_position.y = y;
+ m_size.x = width;
+ m_size.y = height;
+ Layout();
+}
+
+wxSize wxSizer::GetMinSize()
+{
+ wxSize ret( CalcMin() );
+ if (ret.x < m_minSize.x) ret.x = m_minSize.x;
+ if (ret.y < m_minSize.y) ret.y = m_minSize.y;
+ return ret;
+}
+
+void wxSizer::DoSetMinSize( int width, int height )
+{
+ m_minSize.x = width;
+ m_minSize.y = height;
+}
+
+bool wxSizer::DoSetItemMinSize( wxWindow *window, int width, int height )
+{
+ wxASSERT_MSG( window, _T("SetMinSize for NULL window") );
+
+ // Is it our immediate child?
+
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetWindow() == window)
+ {
+ item->SetMinSize( width, height );
+ return true;
+ }
+ node = node->GetNext();
+ }
+
+ // No? Search any subsizers we own then
+
+ node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if ( item->GetSizer() &&
+ item->GetSizer()->DoSetItemMinSize( window, width, height ) )
+ {
+ // A child sizer found the requested windw, exit.
+ return true;
+ }
+ node = node->GetNext();
+ }
+
+ return false;
+}
+
+bool wxSizer::DoSetItemMinSize( wxSizer *sizer, int width, int height )
+{
+ wxASSERT_MSG( sizer, _T("SetMinSize for NULL sizer") );
+
+ // Is it our immediate child?
+
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetSizer() == sizer)
+ {
+ item->GetSizer()->DoSetMinSize( width, height );
+ return true;
+ }
+ node = node->GetNext();
+ }
+
+ // No? Search any subsizers we own then
+
+ node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if ( item->GetSizer() &&
+ item->GetSizer()->DoSetItemMinSize( sizer, width, height ) )
+ {
+ // A child found the requested sizer, exit.
+ return true;
+ }
+ node = node->GetNext();
+ }
+
+ return false;
+}
+
+bool wxSizer::DoSetItemMinSize( size_t index, int width, int height )
+{
+ wxSizerItemList::compatibility_iterator node = m_children.Item( index );
+
+ wxCHECK_MSG( node, false, _T("Failed to find child node") );
+
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetSizer())
+ {
+ // Sizers contains the minimal size in them, if not calculated ...
+ item->GetSizer()->DoSetMinSize( width, height );
+ }
+ else
+ {
+ // ... but the minimal size of spacers and windows is stored via the item
+ item->SetMinSize( width, height );
+ }
+
+ return true;
+}
+
+wxSizerItem* wxSizer::GetItem( wxWindow *window, bool recursive )
+{
+ wxASSERT_MSG( window, _T("GetItem for NULL window") );
+
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetWindow() == window)
+ {
+ return item;
+ }
+ else if (recursive && item->IsSizer())
+ {
+ wxSizerItem *subitem = item->GetSizer()->GetItem( window, true );
+ if (subitem)
+ return subitem;
+ }
+
+ node = node->GetNext();
+ }
+
+ return NULL;
+}
+
+wxSizerItem* wxSizer::GetItem( wxSizer *sizer, bool recursive )
+{
+ wxASSERT_MSG( sizer, _T("GetItem for NULL sizer") );
+
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetSizer() == sizer)
+ {
+ return item;
+ }
+ else if (recursive && item->IsSizer())
+ {
+ wxSizerItem *subitem = item->GetSizer()->GetItem( sizer, true );
+ if (subitem)
+ return subitem;
+ }
+
+ node = node->GetNext();
+ }
+
+ return NULL;
+}
+
+wxSizerItem* wxSizer::GetItem( size_t index )
+{
+ wxCHECK_MSG( index < m_children.GetCount(),
+ NULL,
+ _T("GetItem index is out of range") );
+
+ return m_children.Item( index )->GetData();
+}
+
+wxSizerItem* wxSizer::GetItemById( int id, bool recursive )
+{
+ // This gets a sizer item by the id of the sizer item
+ // and NOT the id of a window if the item is a window.
+
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetId() == id)
+ {
+ return item;
+ }
+ else if (recursive && item->IsSizer())
+ {
+ wxSizerItem *subitem = item->GetSizer()->GetItemById( id, true );
+ if (subitem)
+ return subitem;
+ }
+
+ node = node->GetNext();
+ }
+
+ return NULL;
+}
+
+bool wxSizer::Show( wxWindow *window, bool show, bool recursive )
+{
+ wxSizerItem *item = GetItem( window, recursive );
+
+ if ( item )
+ {
+ item->Show( show );
+ return true;
+ }
+
+ return false;
+}
+
+bool wxSizer::Show( wxSizer *sizer, bool show, bool recursive )
+{
+ wxSizerItem *item = GetItem( sizer, recursive );
+
+ if ( item )
+ {
+ item->Show( show );
+ return true;
+ }
+
+ return false;
+}
+
+bool wxSizer::Show( size_t index, bool show)
+{
+ wxSizerItem *item = GetItem( index );
+
+ if ( item )
+ {
+ item->Show( show );
+ return true;
+ }
+
+ return false;
projects / wxWidgets.git / blobdiff