tweaks: rename a function, to be more precise, and reshuffle it

src/cut.c

@@ -47,7 +47,7 @@ void do_deletion(undo_type action)
 			update_undo(action);
 
 		if (ISSET(SOFTWRAP))
-			old_amount = number_of_chunks_in(openfile->current);
+			old_amount = extra_chunks_in(openfile->current);
 #endif
 		/* Move the remainder of the line "in", over the current character. */
 		memmove(&openfile->current->data[openfile->current_x],
@@ -107,7 +107,7 @@ void do_deletion(undo_type action)
 	/* If the number of screen rows that a softwrapped line occupies
 	 * has changed, we need a full refresh. */
 	if (ISSET(SOFTWRAP) && refresh_needed == FALSE &&
-				number_of_chunks_in(openfile->current) != old_amount)
+				extra_chunks_in(openfile->current) != old_amount)
 		refresh_needed = TRUE;
 #endif
 

src/move.c

@@ -556,7 +556,7 @@ void do_scroll_down(void)
 
 	if (editwinrows > 1 && (openfile->edittop->next != NULL
 #ifndef NANO_TINY
-				|| (ISSET(SOFTWRAP) && (number_of_chunks_in(openfile->edittop) >
+				|| (ISSET(SOFTWRAP) && (extra_chunks_in(openfile->edittop) >
 					chunk_for(openfile->firstcolumn, openfile->edittop)))
 #endif
 										))

src/nano.c

@@ -1409,7 +1409,7 @@ void inject(char *burst, size_t count)
 	if (ISSET(SOFTWRAP)) {
 		if (openfile->current_y == editwinrows - 1)
 			original_row = chunk_for(xplustabs(), thisline);
-		old_amount = number_of_chunks_in(thisline);
+		old_amount = extra_chunks_in(thisline);
 	}
 #endif
 
@@ -1475,7 +1475,7 @@ void inject(char *burst, size_t count)
 	 * changed, we need a full refresh. */
 	if (ISSET(SOFTWRAP) && ((openfile->current_y == editwinrows - 1 &&
 				chunk_for(xplustabs(), openfile->current) > original_row) ||
-				number_of_chunks_in(openfile->current) != old_amount)) {
+				extra_chunks_in(openfile->current) != old_amount)) {
 		refresh_needed = TRUE;
 		focusing = FALSE;
 	}

src/proto.h

@@ -627,7 +627,7 @@ size_t get_softwrap_breakpoint(const char *text, size_t leftedge,
 size_t get_chunk_and_edge(size_t column, linestruct *line, size_t *leftedge);
 size_t chunk_for(size_t column, linestruct *line);
 size_t leftedge_for(size_t column, linestruct *line);
-size_t number_of_chunks_in(linestruct *line);
+size_t extra_chunks_in(linestruct *line);
 void ensure_firstcolumn_is_aligned(void);
 #endif
 size_t actual_last_column(size_t leftedge, size_t column);

src/winio.c

@@ -2343,7 +2343,7 @@ void place_the_cursor(void)
 
 		/* Calculate how many rows the lines from edittop to current use. */
 		while (line != NULL && line != openfile->current) {
-			row += number_of_chunks_in(line) + 1;
+			row += 1 + extra_chunks_in(line);
 			line = line->next;
 		}
 
@@ -2818,7 +2818,7 @@ int update_softwrapped_line(linestruct *line)
 
 	/* Find out on which screen row the target line should be shown. */
 	while (someline != line && someline != NULL) {
-		row += number_of_chunks_in(someline) + 1;
+		row += 1 + extra_chunks_in(someline);
 		someline = someline->next;
 	}
 
@@ -3094,6 +3094,12 @@ size_t get_chunk_and_edge(size_t column, linestruct *line, size_t *leftedge)
 	}
 }
 
+/* Return how many extra rows the given line needs when softwrapping. */
+size_t extra_chunks_in(linestruct *line)
+{
+	return get_chunk_and_edge((size_t)-1, line, NULL);
+}
+
 /* Return the row of the softwrapped chunk of the given line that column is on,
  * relative to the first row (zero-based). */
 size_t chunk_for(size_t column, linestruct *line)
@@ -3102,7 +3108,7 @@ size_t chunk_for(size_t column, linestruct *line)
 }
 
 /* Return the leftmost column of the softwrapped chunk of the given line that
- * column is on. */
+ * the given column is on. */
 size_t leftedge_for(size_t column, linestruct *line)
 {
 	size_t leftedge;
@@ -3112,13 +3118,6 @@ size_t leftedge_for(size_t column, linestruct *line)
 	return leftedge;
 }
 
-/* Return the row of the last softwrapped chunk of the given line, relative to
- * the first row (zero-based). */
-size_t number_of_chunks_in(linestruct *line)
-{
-	return get_chunk_and_edge((size_t)-1, line, NULL);
-}
-
 /* Ensure that firstcolumn is at the starting column of the softwrapped chunk
  * it's on.  We need to do this when the number of columns of the edit window
  * has changed, because then the width of softwrapped chunks has changed. */