More decoration code, with modifications reported from document to views

although this isn't optimal. Some checking for null changes. Messages
documented. Methods for changing indicators in Accessor so can be used by
lexers.

1 files changed, 4 insertions, 3 deletions

diff --git a/src/Decoration.cxx b/src/Decoration.cxx
index f1c9c5ae3..3d23833cc 100644
--- a/src/Decoration.cxx
+++ b/src/Decoration.cxx
@@ -104,20 +104,21 @@ void DecorationList::SetCurrentIndicator(int indicator) {
 }
 
 void DecorationList::SetCurrentValue(int value) {
-	currentValue = value;
+	currentValue = value ? value : 1;
 }
 
-void DecorationList::FillRange(int position, int value, int fillLength) {
+bool DecorationList::FillRange(int position, int value, int fillLength) {
 	if (!current) {
 		current = DecorationFromIndicator(currentIndicator);
 		if (!current) {
 			current = Create(currentIndicator, lengthDocument);
 		}
 	}
-	current->rs.FillRange(position, value, fillLength);
+	bool changed = current->rs.FillRange(position, value, fillLength);
 	if (current->Empty()) {
 		Delete(currentIndicator);
 	}
+	return changed;
 }
 
 void DecorationList::InsertSpace(int position, int insertLength) {