Fix stretchable spaces in wxToolBar after tool removal in wxMSW.

The stretchable spaces need to be manually updated after removing a tool from
the toolbar.

Closes #13577.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70798 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -503,7 +503,8 @@ MSW:
 - Fix coordinates and Z-position for joystick events (Markus Juergens).
 - Fix size of the font returned by wxTextCtrl::GetStyle() (Igor Korot).
 - Add wxActiveXContainer::QueryClientSiteInterface and implement it in
-  wxWebViewIE to improve the default behaviour (Allonii)
+  wxWebViewIE to improve the default behaviour (Allonii).
+- Update stretchable spaces in wxToolBar after tool removal (Catalin Raceanu).
 
 OSX:
 

src/msw/toolbar.cpp

@@ -568,14 +568,18 @@ bool wxToolBar::DoDeleteTool(size_t pos, wxToolBarToolBase *tool)
     // get the size of the button we're going to delete
     const RECT r = wxGetTBItemRect(GetHwnd(), pos);
 
-    int width = r.right - r.left;
+    int delta = IsVertical() ? r.bottom - r.top : r.right - r.left;
 
     if ( tool->IsControl() )
     {
         nButtonsToDelete = ((wxToolBarTool *)tool)->GetSeparatorsCount();
-        width *= nButtonsToDelete;
+
+        if ( !IsVertical() )
+            delta *= nButtonsToDelete;
     }
 
+    m_totalFixedSize -= delta;
+
     // do delete all buttons
     m_nButtons -= nButtonsToDelete;
     while ( nButtonsToDelete-- > 0 )
@@ -588,14 +592,45 @@ bool wxToolBar::DoDeleteTool(size_t pos, wxToolBarToolBase *tool)
         }
     }
 
-    // and finally reposition all the controls after this button (the toolbar
+    // and finally rearrange the tools
-    // takes care of all normal items)
+
+    // search for any stretch spacers before the removed tool
+    bool hasPrecedingStrechables = false;
+    for ( wxToolBarToolsList::compatibility_iterator nodeStch = m_tools.GetFirst();
+                                 nodeStch != node; nodeStch = nodeStch->GetNext() )
+    {
+        if ( ((wxToolBarTool*)nodeStch->GetData())->IsStretchable() )
+        {
+            hasPrecedingStrechables = true;
+            break;
+        }
+    }
+
+    if ( hasPrecedingStrechables )
+    {
+        // if the removed tool is preceded by stretch spacers
+        // just redistribute the space
+        UpdateStretchableSpacersSize();
+    }
+    else
+    {
+        // reposition all the controls after this button but before any
+        // stretch spacer (the toolbar takes care of all normal items)
         for ( /* node -> first after deleted */ ; node; node = node->GetNext() )
         {
             wxToolBarTool *tool2 = (wxToolBarTool*)node->GetData();
+
             if ( tool2->IsControl() )
             {
-            tool2->MoveBy(-width);
+                tool2->MoveBy(-delta);
+            }
+
+            // if a stretch spacer is found just redistribute the available space
+            else if ( tool2->IsStretchable() )
+            {
+                UpdateStretchableSpacersSize();
+                break;
+            }
         }
     }