X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/704e631016631ac788a93423322d06e4cae9bbf5..3e1924dd5f5744c3e2a8973de9b3e4f372b7fd85:/src/aui/framemanager.cpp

diff --git a/src/aui/framemanager.cpp b/src/aui/framemanager.cpp
index c94279ccd6..b4ee254fd6 100644
--- a/src/aui/framemanager.cpp
+++ b/src/aui/framemanager.cpp
@@ -610,6 +610,17 @@ wxAuiManager::~wxAuiManager()
     }
 #endif
 
+    // We need to remove any reference to this wxAuiManager in any of the
+    // wxAuiFloatingFrames associated with this manager in case they haven't
+    // been deleted just yet.
+    // We need an array copy since Unregister removes the items.
+    wxAuiFloatingFramePtrArray array_copy = m_floating_frames;
+    int i, count = array_copy.GetCount();
+    for (i = 0; i < count; ++i)
+    {
+        UnregisterFloatingFrame(array_copy.Item(i));
+    }
+
     delete m_art;
 }
 
@@ -617,7 +628,9 @@ wxAuiManager::~wxAuiManager()
 wxAuiFloatingFrame* wxAuiManager::CreateFloatingFrame(wxWindow* parent,
                                                       const wxAuiPaneInfo& pane_info)
 {
-    return new wxAuiFloatingFrame(parent, this, pane_info);
+    wxAuiFloatingFrame* frame = new wxAuiFloatingFrame(parent, this, pane_info);
+    RegisterFloatingFrame(frame);
+    return frame;
 }
 
 bool wxAuiManager::CanDockPanel(const wxAuiPaneInfo & WXUNUSED(p))
@@ -627,6 +640,37 @@ bool wxAuiManager::CanDockPanel(const wxAuiPaneInfo & WXUNUSED(p))
     return !(wxGetKeyState(WXK_CONTROL) || wxGetKeyState(WXK_ALT));
 }
 
+// registers a floating frame with this manager (see header)
+void wxAuiManager::RegisterFloatingFrame(wxAuiFloatingFrame* frame)
+{
+    frame->SetOwnerManager(this);
+    int i, count = m_floating_frames.GetCount();
+    for (i = 0; i < count; ++i)
+    {
+        wxAuiFloatingFrame* f = m_floating_frames.Item(i);
+        if (f == frame)
+            // this frame is already registered
+            return;
+    }
+    m_floating_frames.Add(frame);
+}
+
+// unregisters a floating frame from this manager (see header)
+void wxAuiManager::UnregisterFloatingFrame(wxAuiFloatingFrame* frame)
+{
+    frame->SetOwnerManager(NULL);
+    int i, count = m_floating_frames.GetCount();
+    for (i = 0; i < count; ++i)
+    {
+        wxAuiFloatingFrame* f = m_floating_frames.Item(i);
+        if (f == frame)
+        {
+            m_floating_frames.Remove(f);
+            return;
+        }
+    }
+}
+
 // GetPane() looks up a wxAuiPaneInfo structure based
 // on the supplied window pointer.  Upon failure, GetPane()
 // returns an empty wxAuiPaneInfo, a condition which can be checked
@@ -2319,7 +2363,8 @@ wxSizer* wxAuiManager::LayoutAll(wxAuiPaneInfoArray& panes,
                 LayoutAddDock(middle, *arr.Item(row), uiparts, spacer_only);
         }
 
-        cont->Add(middle, 1, wxEXPAND);
+        if (middle->GetChildren().GetCount() > 0)
+            cont->Add(middle, 1, wxEXPAND);