X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ffrontends%2Fxforms%2FRadioButtonGroup.h;h=3be3c0ad6182c064d8b2e0fc325d343f151efb3e;hb=d5443737342903de489d527802cd2cdd38987d74;hp=533035be1f662e8ed5c2f12c91a68e384b9ab4d3;hpb=f7ba7c8e9f3dcd2a5de79c7e93bf8edeec3b8e35;p=lyx.git

diff --git a/src/frontends/xforms/RadioButtonGroup.h b/src/frontends/xforms/RadioButtonGroup.h
index 533035be1f..3be3c0ad61 100644
--- a/src/frontends/xforms/RadioButtonGroup.h
+++ b/src/frontends/xforms/RadioButtonGroup.h
@@ -1,55 +1,64 @@
 // -*- 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_fwd.h"
 
-#include FORMS_H_LOCATION
-
-#ifdef __GNUG__
-#pragma interface
-#endif
-
+namespace lyx {
+namespace frontend {
 
-/** 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.
+/** 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) {};
 
-	/// Register a radio button with it's corresponding value.
-	void registerRadioButton(FL_OBJECT * button, int value);
-	/// Reset registrations.
-	void reset();
+	/// Register a radio button with its corresponding value.
+	void init(FL_OBJECT * ob, size_type value);
 
-	// Set the active button.
-	void setButton(int value);
+	// Set a single active button.
+	void set(size_type value) const;
+	void set(FL_OBJECT * ob) const;
 
-	// Get the active button.
-	int getButton();
+	// None of the radiobuttons are set.
+	void unset() const;
+
+	// Get the active button's value.
+	size_type get() const;
+
+	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
+} // namespace frontend
+} // namespace lyx
+
+#endif // RADIOBUTTONGROUP_H