ghosted 'view rule' hint

Author: ryanfleury

src/raddbg/raddbg_views.c

@@ -2919,7 +2919,7 @@ RD_VIEW_UI_FUNCTION_DEF(watch)
                   }
 
                   // rjf: build cell line edit
-                  else RD_Font(cell_info.flags & RD_WatchCellFlag_IsNonCode ? RD_FontSlot_Main : RD_FontSlot_Code)
+                  else
                   {
                     RD_LineEditParams line_edit_params = {0};
                     {
@@ -2942,7 +2942,19 @@ RD_VIEW_UI_FUNCTION_DEF(watch)
                       line_edit_params.fstrs                = cell_info.fstrs;
                     }
                     UI_TextAlignment(cell->px != 0 ? UI_TextAlign_Center : UI_TextAlign_Left)
-                      sig = rd_line_editf(&line_edit_params, "%S###%I64x_row_%I64x", str8_zero(), cell_x, row_hash);
+                    {
+                      B32 is_non_code = !!(cell_info.flags & RD_WatchCellFlag_IsNonCode);
+                      String8 ghost_text = {0};
+                      if(cell->kind == RD_WatchCellKind_Tag && cell_info.string.size == 0 && global_row_idx == 0)
+                      {
+                        ghost_text = str8_lit("View Rules");
+                        is_non_code = !ui_is_focus_active();
+                      }
+                      RD_Font(is_non_code ? RD_FontSlot_Main : RD_FontSlot_Code)
+                      {
+                        sig = rd_line_editf(&line_edit_params, "%S###%I64x_row_%I64x", ghost_text, cell_x, row_hash);
+                      }
+                    }
 #if 0 // TODO(rjf): @cfg
                     if(ui_is_focus_active() &&
                        selection_tbl.min.x == selection_tbl.max.x && selection_tbl.min.y == selection_tbl.max.y &&