X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bd365871aadca528e03f3b6bb8382a1fdf5f1817..233f10bf15c7201e8733426cffdeb6595df539ae:/src/msw/filedlg.cpp

diff --git a/src/msw/filedlg.cpp b/src/msw/filedlg.cpp
index 0cc25b19d6..c553328fb4 100644
--- a/src/msw/filedlg.cpp
+++ b/src/msw/filedlg.cpp
@@ -86,6 +86,16 @@ wxFileDialogHookFunction(HWND      hDlg,
 {
     switch ( iMsg )
     {
+#ifndef __WXWINCE__
+        case WM_INITDIALOG:
+            {
+                OPENFILENAME* ofn = reinterpret_cast<OPENFILENAME *>(lParam);
+                reinterpret_cast<wxFileDialog *>(ofn->lCustData)
+                    ->MSWOnInitDialogHook((WXHWND)hDlg);
+            }
+            break;
+#endif // __WXWINCE__
+
         case WM_NOTIFY:
             {
                 OFNOTIFY *pNotifyCode = reinterpret_cast<OFNOTIFY *>(lParam);
@@ -360,6 +370,17 @@ static bool ShowCommFileDialog(OPENFILENAME *of, long style)
     return true;
 }
 
+#ifndef __WXWINCE__
+void wxFileDialog::MSWOnInitDialogHook(WXHWND hwnd)
+{
+   SetHWND(hwnd);
+
+   CreateExtraControl();
+
+   SetHWND(NULL);
+}
+#endif // __WXWINCE__
+
 int wxFileDialog::ShowModal()
 {
     HWND hWnd = 0;
@@ -385,7 +406,7 @@ int wxFileDialog::ShowModal()
         in the upper left of the frame, it does not center
         automatically.
     */
-    if (m_bMovedWindow) // we need these flags.
+    if (m_bMovedWindow || HasExtraControlCreator()) // we need these flags.
     {
         msw_flags |= OFN_EXPLORER|OFN_ENABLEHOOK;
 #ifndef __WXWINCE__
@@ -421,6 +442,36 @@ int wxFileDialog::ShowModal()
     of.lpstrFileTitle    = titleBuffer;
     of.nMaxFileTitle     = wxMAXFILE + 1 + wxMAXEXT;
 
+#ifndef __WXWINCE__
+    GlobalPtr hgbl;
+    if ( HasExtraControlCreator() )
+    {
+        msw_flags |= OFN_ENABLETEMPLATEHANDLE;
+
+        hgbl.Init(256, GMEM_ZEROINIT);
+        GlobalPtrLock hgblLock(hgbl);
+        LPDLGTEMPLATE lpdt = static_cast<LPDLGTEMPLATE>(hgblLock.Get());
+
+        // Define a dialog box.
+
+        lpdt->style = DS_CONTROL | WS_CHILD | WS_CLIPSIBLINGS;
+        lpdt->cdit = 0;         // Number of controls
+        lpdt->x = 0;
+        lpdt->y = 0;
+
+        // convert the size of the extra controls to the dialog units
+        const wxSize extraSize = GetExtraControlSize();
+        const LONG baseUnits = ::GetDialogBaseUnits();
+        lpdt->cx = ::MulDiv(extraSize.x, 4, LOWORD(baseUnits));
+        lpdt->cy = ::MulDiv(extraSize.y, 8, HIWORD(baseUnits));
+
+        // after the DLGTEMPLATE there are 3 additional WORDs for dialog menu,
+        // class and title, all three set to zeros.
+
+        of.hInstance = (HINSTANCE)lpdt;
+    }
+#endif // __WXWINCE__
+
     // Convert forward slashes to backslashes (file selector doesn't like
     // forward slashes) and also squeeze multiple consecutive slashes into one
     // as it doesn't like two backslashes in a row neither