X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6dc2e8233023023f7e3ced53be717bc61e9888ca..1f2f732921b6456c87ab8d180c5bd14456a5b35f:/src/common/fldlgcmn.cpp

diff --git a/src/common/fldlgcmn.cpp b/src/common/fldlgcmn.cpp
index 71c0a977ce..e57a244cb3 100644
--- a/src/common/fldlgcmn.cpp
+++ b/src/common/fldlgcmn.cpp
@@ -35,8 +35,10 @@ IMPLEMENT_DYNAMIC_CLASS(wxFileDialogBase, wxDialog)
 
 void wxFileDialogBase::Init()
 {
-    m_filterIndex =
+    m_filterIndex = 0;
     m_windowStyle = 0;
+    m_extraControl = NULL;
+    m_extraControlCreator = NULL;
 }
 
 bool wxFileDialogBase::Create(wxWindow *parent,
@@ -149,6 +151,35 @@ wxString wxFileDialogBase::AppendExtension(const wxString &filePath,
     return filePath + ext;
 }
 
+bool wxFileDialogBase::SetExtraControlCreator(ExtraControlCreatorFunction creator)
+{
+    wxCHECK_MSG( !m_extraControlCreator, false,
+                 "wxFileDialog::SetExtraControl() called second time" );
+
+    m_extraControlCreator = creator;
+    return SupportsExtraControl();
+}
+
+bool wxFileDialogBase::CreateExtraControl()
+{
+    if (!m_extraControlCreator || m_extraControl)
+        return false;
+    m_extraControl = (*m_extraControlCreator)(this);
+    return true;
+}
+
+wxSize wxFileDialogBase::GetExtraControlSize()
+{
+    if ( !m_extraControlCreator )
+        return wxDefaultSize;
+
+    // create the extra control in an empty dialog just to find its size: this
+    // is not terribly efficient but we do need to know the size before
+    // creating the native dialog and this seems to be the only way
+    wxDialog dlg(NULL, wxID_ANY, "");
+    return (*m_extraControlCreator)(&dlg)->GetSize();
+}
+
 //----------------------------------------------------------------------------
 // wxFileDialog convenience functions
 //----------------------------------------------------------------------------