+ }
+ public void updateGreySelection (bool scroll) {
+ var sel = this.node_selected;
+ print("node selected\n");
+ var buf = this.el.get_buffer();
+ var sbuf = (Gtk.SourceBuffer) buf;
+
+
+ this.clearGreySelection();
+
+
+
+ if (sel == null) {
+ print("no selected node\n");
+ // no highlighting..
+ return;
+ }
+
+ print("highlight region %d to %d\n", sel.line_start,sel.line_end);
+ Gtk.TextIter iter;
+ sbuf.get_iter_at_line(out iter, sel.line_start);
+
+
+ Gtk.TextIter cur_iter;
+ sbuf.get_iter_at_offset(out cur_iter, sbuf.cursor_position);
+
+ var cursor_at_line = cur_iter.get_line();
+
+
+ //var cur_line = cur_iter.get_line();
+ //if (cur_line > sel.line_start && cur_line < sel.line_end) {
+
+ //} else {
+ if (scroll) {
+ print("scrolling to node -- should occur on node picking.\n");
+ this.el.scroll_to_iter(iter, 0.1f, true, 0.0f, 0.5f);
+ }
+
+ var start_line = sel.line_start;
+ var end_line = sel.line_end;
+
+
+ this.el.editable = false;
+
+ var colon_pos = 0;
+
+ // now if we have selected a property...
+ if (this.prop_selected.length> 0 ) {
+
+ int nstart, nend;
+ if (sel.getPropertyRange(this.prop_selected, out nstart, out nend) && nend > nstart) {
+ start_line = nstart;
+ end_line = nend;
+ this.el.editable = true;
+ print("start line = %d, end line = %d\n", start_line, end_line);
+
+ // see if we are 'right of ':'
+ // get an iter for the start of the line.
+ Gtk.TextIter start_line_iter,end_line_iter;
+ this.el.buffer.get_iter_at_line(out start_line_iter, start_line -1);
+ this.el.buffer.get_iter_at_line(out end_line_iter, start_line -1);
+
+
+
+
+ if (end_line_iter.forward_to_line_end()) {
+ var first_line = this.el.buffer.get_text(start_line_iter, end_line_iter, false);
+ print("first line = %s\n", first_line);
+ if (first_line.contains(":")) {
+ colon_pos = start_line_iter.get_offset() + first_line.index_of(":") + 1;
+ }
+ print("colon_pos = %d\n", colon_pos);
+ }
+ print("is cursor at line? %d ?= %d\n", start_line -1 , cursor_at_line);
+ if (start_line - 1 == cursor_at_line) {
+ print("cursor is on current line.\n");
+ var before_cursor_string = this.el.buffer.get_text(start_line_iter, cur_iter, false);
+ print("before cursor string = %s\n", before_cursor_string);
+ if (!before_cursor_string.contains(":")) {
+ this.el.editable = false;
+ }
+
+ }
+
+
+ }
+ print("propSelected = %s range %d -> %d\n", this.prop_selected, start_line, end_line);
+
+
+ }
+
+ print("checking selection\n");
+
+
+ // check selection - if it's out of 'bounds'
+ if (this.el.editable && sbuf.get_has_selection()) {
+ Gtk.TextIter sel_start_iter, sel_end_iter;
+ sbuf.get_selection_bounds(out sel_start_iter, out sel_end_iter);
+
+ if (sel_start_iter.get_line() < start_line || sel_end_iter.get_line() > end_line ||
+ sel_start_iter.get_line() > end_line || sel_end_iter.get_line() < start_line ) {
+ // save?
+ this.el.editable = false;
+ }
+ if (colon_pos > 0 &&
+ (sel_start_iter.get_offset() < colon_pos || sel_end_iter.get_offset() < colon_pos)
+
+ ) {
+ this.el.editable = false;
+ }
+
+
+
+ }
+
+
+
+
+ for (var i = 0; i < buf.get_line_count();i++) {
+ if (i < (start_line -1) || i > (end_line -1)) {
+
+ sbuf.get_iter_at_line(out iter, i);
+ sbuf.create_source_mark(null, "grey", iter);
+
+ }
+
+ }
+ if (scroll) {
+ Gtk.TextIter cpos_iter;
+ buf.get_iter_at_line(out cpos_iter, start_line);
+ buf.place_cursor(cpos_iter);
+ }
+
+