// -*- C++ -*-
/**
* \file RadioButtonGroup.h
- * Copyright 2002 the LyX Team
- * Copyright 2000 Baruch Even
- * Read the file COPYING
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
- * \author Baruch Even, baruch.even@writeme.com
+ * \author Baruch Even
+ * \author Rob Lahaye
+ *
+ * Full author contact details are available in file CREDITS.
*/
#ifndef RADIOBUTTONGROUP_H
#define RADIOBUTTONGROUP_H
+
+#include "support/types.h"
#include <vector>
#include <utility>
-
-#include FORMS_H_LOCATION
-
-#ifdef __GNUG__
-#pragma interface
-#endif
-
-
-/** This class simplifies the work with a group of radio buttons,
- * the idea is that you register a bunch of radio buttons with the accompanying
- * value for each radio button and then you get to query or set the active
- * button in a single function call.
+#include "forms_fwd.h"
+
+/** This class simplifies interaction with a group of radio buttons:
+ * one, and only one, can be selected.
+ * The idea is that you register a bunch of radio buttons with
+ * an accompanying value. Then you can get or set the active button with a
+ * single function call.
+ * It is necessary to also group a family of radio buttons in the
+ * corresponding .fd file in order to unset the previously chosen button
+ * when a new one is selected.
*/
class RadioButtonGroup {
public:
- /// Constructor. Allocate space for 'n' items in the group.
- RadioButtonGroup(unsigned n = 5) : map(n) {};
+ ///
+ typedef lyx::size_type size_type;
+
+ /// Register a radio button with its corresponding value.
+ void init(FL_OBJECT * ob, size_type value);
+
+ // Set a single active button.
+ void set(size_type value) const;
+ void set(FL_OBJECT * ob) const;
- /// Register a radio button with it's corresponding value.
- void registerRadioButton(FL_OBJECT * button, int value);
- /// Reset registrations.
- void reset();
+ // None of the radiobuttons are set.
+ void unset() const;
- // Set the active button.
- void setButton(int value);
+ // Get the active button's value.
+ size_type get() const;
- // Get the active button.
- int getButton();
+ void setEnabled(bool enabled);
private:
///
- typedef std::pair<FL_OBJECT *, int> ButtonValuePair;
+ typedef std::pair<FL_OBJECT *, size_type> ButtonValuePair;
///
typedef std::vector<ButtonValuePair> ButtonValueMap;
///
ButtonValueMap map;
};
-#endif
+#endif // RADIOBUTTONGROUP_H