+ return true;
+}
+
+// Make the help controller's frame 'modal' if
+// needed
+void wxHtmlHelpController::AddGrabIfNeeded()
+{
+ // So far, wxGTK only
+#ifdef __WXGTK__
+ bool needGrab = false;
+
+ // Check if there are any modal windows present,
+ // in which case we need to add a grab.
+ for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxWindow *win = node->GetData();
+ wxDialog *dialog = wxDynamicCast(win, wxDialog);
+
+ if (dialog && dialog->IsModal())
+ needGrab = true;
+ }
+
+ if (needGrab && m_helpFrame)
+ m_helpFrame->AddGrab();
+#endif // __WXGTK__
+}
+
+bool wxHtmlHelpController::Display(const wxString& x)
+{
+ CreateHelpWindow();
+ bool success = m_helpFrame->Display(x);
+ AddGrabIfNeeded();
+ return success;
+}
+
+bool wxHtmlHelpController::Display(int id)
+{
+ CreateHelpWindow();
+ bool success = m_helpFrame->Display(id);
+ AddGrabIfNeeded();
+ return success;
+}
+
+bool wxHtmlHelpController::DisplayContents()
+{
+ CreateHelpWindow();
+ bool success = m_helpFrame->DisplayContents();
+ AddGrabIfNeeded();
+ return success;
+}
+
+bool wxHtmlHelpController::DisplayIndex()
+{
+ CreateHelpWindow();
+ bool success = m_helpFrame->DisplayIndex();
+ AddGrabIfNeeded();
+ return success;
+}
+
+bool wxHtmlHelpController::KeywordSearch(const wxString& keyword,
+ wxHelpSearchMode mode)
+{
+ CreateHelpWindow();
+ bool success = m_helpFrame->KeywordSearch(keyword, mode);
+ AddGrabIfNeeded();
+ return success;