Allow empty message in wxRearrangeDialog.

If the message is empty, don't reserve space for it at the top; instead,
just make the dialog a bit smaller.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65119 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/common/rearrangectrl.cpp b/src/common/rearrangectrl.cpp
index 6027fd2fb386b96bb4bc1aebc3f50f0526b3b865..c9a27121cb98bf9726e0b2f3cadfc69bf0dc8242 100644 (file)
--- a/src/common/rearrangectrl.cpp
+++ b/src/common/rearrangectrl.cpp
@@ -285,8 +285,19 @@ bool wxRearrangeDialog::Create(wxWindow *parent,
     // notice that the items in this sizer should be inserted accordingly to
     // wxRearrangeDialogSizerPositions order
     wxSizer * const sizerTop = new wxBoxSizer(wxVERTICAL);
     // notice that the items in this sizer should be inserted accordingly to
     // wxRearrangeDialogSizerPositions order
     wxSizer * const sizerTop = new wxBoxSizer(wxVERTICAL);

-    sizerTop->Add(new wxStaticText(this, wxID_ANY, message),
-                  wxSizerFlags().Border());
+
+    if ( !message.empty() )
+    {
+        sizerTop->Add(new wxStaticText(this, wxID_ANY, message),
+                      wxSizerFlags().Border());
+    }
+    else
+    {
+        // for convenience of other wxRearrangeDialog code that depends on
+        // positions of sizer items, insert a dummy zero-sized item
+        sizerTop->AddSpacer(0);
+    }
+

     sizerTop->Add(m_ctrl,
                   wxSizerFlags(1).Expand().Border());
     sizerTop->Add(CreateSeparatedButtonSizer(wxOK | wxCANCEL),
     sizerTop->Add(m_ctrl,
                   wxSizerFlags(1).Expand().Border());
     sizerTop->Add(CreateSeparatedButtonSizer(wxOK | wxCANCEL),