Add a couple of new functions.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7625 a592a061-630c-0410-9148-cb99ea01b6c8

src/frontends/xforms/ChangeLog

@@ -1,3 +1,8 @@
+2003-08-28  Angus Leeming  <leeming@lyx.org>
+
+	* RadioButtonGroup.[Ch] (unset, setEnabled): new functions extending
+	the class' functionality.
+
 2003-08-23  Rob Lahaye  <lahaye@snu.ac.kr>
 
 	* FormShowFile.C (build): Remove redundant "LyX:" string from title.

src/frontends/xforms/RadioButtonGroup.C

@@ -14,6 +14,7 @@
 
 #include "RadioButtonGroup.h"
 #include "lyx_forms.h"
+#include "xforms_helpers.h"
 
 #include "support/LAssert.h"
 #include "debug.h" // for lyxerr
@@ -83,6 +84,21 @@ struct is_set_button {
 };
 
 
+void RadioButtonGroup::unset() const
+{
+	// Find the active button.
+	ButtonValueMap::const_iterator it =
+		find_if(map.begin(), map.end(),
+			is_set_button<ButtonValuePair> ());
+
+	if (it == map.end())
+		// Nothing to do. No button is set.
+		return;
+
+	fl_set_button(it->first, 0);
+}
+
+
 RadioButtonGroup::size_type RadioButtonGroup::get() const
 {
 	// Find the active button.
@@ -97,3 +113,13 @@ RadioButtonGroup::size_type RadioButtonGroup::get() const
 	lyxerr << "BUG: No active radio button found." << endl;
 	return 0;
 }
+
+
+void RadioButtonGroup::setEnabled(bool enable)
+{
+	ButtonValueMap::iterator it  = map.begin();
+	ButtonValueMap::iterator end = map.end();
+	for (; it != end; ++it) {
+		::setEnabled(it->first, enable);
+	}
+}

src/frontends/xforms/RadioButtonGroup.h

@@ -41,9 +41,14 @@ public:
 	void set(size_type value) const;
 	void set(FL_OBJECT * ob) const;
 
+	// 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 *, size_type> ButtonValuePair;