grep '(switch|state|case|end|first_time|NResize|doresize)' node_resize.cctmp 
				> node_resize_block_structure.txt
Tree structure of switch case blocks and extra flag use, 
in node_resize callback. - RJL041013
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 * Revised - RJL 041007-13 - refactoring for state model clarity
 * TBD: Use xor GC for doresize during BUTON_MOVED iterations.
                  int state, /* Canvas State (eventually just NodeCreate)*/
    static int first_time = 0;  //RJL041012
    //static int NResize = 0;	// Resize ---> NResize ---> Reconfirmed- RJL041010
				// TBD: split state SNode_Resize, replacing Reconfirmed
    switch (state)
	case SResize:
	    first_time = 0;
            switch (button_op) {
               	    case BUTTON_DOWN_EVENT:
                    case BUTTON_MOVED_EVENT: // wait for button_up and reconfirm
		    case  BUTTON_UP_EVENT: //moved action from case BUTTON_DOWN-041010
			}  // end case BUTTON_UP
	      }  // end switch(button_op) 
            break;  // end case SResize;
	case SResize_node:
            switch (button_op) {
                case BUTTON_DOWN_EVENT:
				//Same state; ignore BUTTON_MOVED, wait for BUTTON_UP;
                            first_time = TRUE;	//Another Flag Var!
                    } // end else non-null selection
                    break; // end case BUTTON_DOWN
               case BUTTON_MOVED_EVENT: // new or old HN selection
			assert(first_time == TRUE); //remove flag if superfluous
                        DP;doresize((int)event->x, (int)event->y, id);
			// doresize clears first_time
		    break;  // end BUTTON_MOVED	
               case BUTTON_UP_EVENT:
                    if (!Reconfirmed) { // same next state?
			// first_time == FALSE; // skip MOVED:doresize 
		    	// OK to repeat node_resize for THIS node in state SNode_resize 
		    } // end if..else 
		    break;  // end case BUTTON_UP
            } // end switch(button_op)
        // end case SResize_node
		fprintf(stderr, "switch arg  state=0x%x\n", state);
    } // end switch(state)
}  // end node_resize()
/* doresize() client: node_resize: state SResize_node:	*/
/* doresize is done on each BUTTON_MOVED event 		*/
/* TBD: switch(shape) cases should be class-specific   	*/
void doresize(int x, int y, hcg_key id)
    extern int first_time; // in node_resize
            if(first_time){
                first_time = FALSE;
    } // end circular shape move
            if(first_time){
	      first_time = FALSE;
              switch(curr_shape[0]){ // assert non-circular; erase old shape
		// this switch is a crutch to avoid polymorphic shape subclass:draw()
            	case 'E':
                case 'e':
                case 'R':
                case 'r':
                case 'F':
                case 'f':
                case 'O':
                case 'o':
                case 'I':
                case 'i':
              } // end switch( shape)
            } // end if(first_time); first_time = FALSE now
	    else{ // not first_time -  erase prior shape:
              switch(curr_shape[0]){
                case 'E':
                case 'e':
                case 'R':
                case 'r':
                case 'F':
                case 'f':
                case 'O':
                case 'o':
                case 'I':
                case 'i':
            } // end not first_time
            switch(curr_shape[0]){
              case 'E':
              case 'e':
              case 'R':
              case 'r':
              case 'F':
              case 'f':
              case 'O':
              case 'o':
               case 'I':
               case 'i':
            } // end  switch(shape)
   } // end non-circular shapes
} // end do_resize:480:828

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grep -n node_resize *.cc
buttonevent.cc:206:                        node_resize(event,
nodeops.cc:11://            node_resize();node_fit_to_text(); doresize()
nodeops.cc:104:// In routines node_move() and node_resize() changed calls from
nodeops.cc:115:// Fixed the last remaining bug in node_resize().. :)
nodeops.cc:118:// Fixed on more minor bug in node_resize().  Before if you resized a node,
nodeops.cc:484: *      node_resize performs the node resize operation.  It does
nodeops.cc:500:void node_resize ( XButtonEvent *event,
nodeops.cc:641:             else  { // assert(Reconfirmed);cursor: movehand;finish node_resize:
nodeops.cc:660:                 // OK to repeat node_resize for THIS node in state SNode_resize
nodeops.cc:673:         fprintf(stderr, "Out of State in function node_resize.\n");
nodeops.cc:680:}  // end node_resize()
nodeops.cc:684:/* doresize() client: node_resize: state SResize_node:   */
nodeops.cc:698:    extern int first_time; // in node_resize
textops.cc:1279:        fprintf(stderr, "Out of State(SResize) in node_resize");
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