field.c

linux下的人机对话编程

 

 c3x=f9x-2.0;
 c3y=f9y-2.0;
 c4x=f9x+2.0;
 c4y=f9y+2.0;
 dot10_2FB= gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c3x,"y1",c3y,"x2",c4x,"y2",c4y,"fill_color","yellow",
		        NULL);
 
 
 Ctr_10_FB=TRUE; /* 两个点已经存在*/
 }

}
 gnome_canvas_points_unref(point1);
 gnome_canvas_points_unref(point2);

  }


  return 1;
}

/*--------------------------画双岔区段*--------------------------*/

int draw_twosw_fd(double fx,double fy,double f1x,double f1y,double f2x,double f2y,double f3x,
		  double f3y,double f4x,double f4y,double f8x,double f8y,double f9x,double f9y,double f10x,double f10y,double f11x,double f11y,int dir,gchar*cor,GtkWidget*canvas){

  GnomeCanvasPoints *point1,*point2,*point3;
  GnomeCanvasGroup *group;
  group=gnome_canvas_root(GNOME_CANVAS(canvas));
  double c1x,c1y,c2x,c2y,c3x,c3y,c4x,c4y,c5x,c5y,c6x,c6y,c7x,c7y,c8x,c8y;
 
  if(dir==0){   /*两个道岔都为定位*/
     

   point1=gnome_canvas_points_new(2);
   point1->coords[0]=fx;
   point1->coords[1]=fy;
   point1->coords[2]=f2x;
   point1->coords[3]=f2y;

   point2=gnome_canvas_points_new(3);
   point2->coords[0]=fx;
   point2->coords[1]=fy;
   point2->coords[2]=f1x;
   point2->coords[3]=f1y;
   point2->coords[4]=f4x;
   point2->coords[5]=f4y;

   point3=gnome_canvas_points_new(3);
   point3->coords[0]=f2x;
   point3->coords[1]=f2y;
   point3->coords[2]=f3x;
   point3->coords[3]=f3y;
   point3->coords[4]=f4x;
   point3->coords[5]=f4y;

  if(i==7){
if(Ctr_5_DB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot5_1DB));

 gtk_object_destroy(GTK_OBJECT(dot5_2DB));
 Ctr_5_DB=FALSE;

     }
     if(Ctr_5_FB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot5_1FB));
 gtk_object_destroy(GTK_OBJECT(dot5_2FB));
 g_print("liliang001!");
 Ctr_5_FB=FALSE;
     }
if(Ctr_11_DB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot11_1DB));
 gtk_object_destroy(GTK_OBJECT(dot11_2DB));
 Ctr_11_DB=FALSE;
     }
     if(Ctr_11_FB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot11_1FB));
 gtk_object_destroy(GTK_OBJECT(dot11_2FB));
 Ctr_11_FB=FALSE;
     }
   
     if(value==FALSE){
 line_5DB_11DB_DG= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point1,"fill_color", cor,"width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
 line_5FB_DG= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point2,"fill_color", cor,"width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
 line_11FB_DG= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point3,"fill_color", cor,"width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
     }
     if(value==TRUE){
 gnome_canvas_item_set( line_5DB_11DB_DG,"points",point1,"fill_color", cor,"width_units",                       4.0,"join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
       gnome_canvas_item_request_update(line_5DB_11DB_DG);
       gnome_canvas_item_show(line_5DB_11DB_DG);
       gnome_canvas_item_hide(line_5FB_DG);
       gnome_canvas_item_hide(line_11FB_DG);
     }
      


 if((Ctr_5_DB==FALSE)&&(Ctr_11_DB==FALSE)){
 c1x=f1x-2.0;
 c1y=f1y-2.0;
 c2x=f1x+2.0;
 c2y=f1y+2.0;
 dot5_1DB=gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c1x,"y1",c1y,"x2",c2x,"y2",c2y,"fill_color","green",
		        NULL);

 c3x=f8x-2.0;
 c3y=f8y-2.0;
 c4x=f8x+2.0;
 c4y=f8y+2.0;
 dot5_2DB=gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c3x,"y1",c3y,"x2",c4x,"y2",c4y,"fill_color","green",
		        NULL);

 c5x=f3x-2.0;
 c5y=f3y-2.0;
 c6x=f3x+2.0;
 c6y=f3y+2.0;
 dot11_1DB= gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c5x,"y1",c5y,"x2",c6x,"y2",c6y,"fill_color","green",
		        NULL);

 c7x=f10x-2.0;
 c7y=f10y-2.0;
 c8x=f10x+2.0;
 c8y=f10y+2.0;
 dot11_2DB=gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c7x,"y1",c7y,"x2",c8x,"y2",c8y,"fill_color","green",
		        NULL);
g_print("liliang001!");
 Ctr_5_DB=TRUE;
 Ctr_11_DB=TRUE;
 }

  }
   
 if(i==8){
  
if(Ctr_7_DB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot7_1DB));
 gtk_object_destroy(GTK_OBJECT(dot7_2DB));
 Ctr_7_DB=FALSE;
     }
     if(Ctr_7_FB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot7_1FB));
 gtk_object_destroy(GTK_OBJECT(dot7_2FB));
 Ctr_7_FB=FALSE;
     }
if(Ctr_9_DB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot9_1DB));
 gtk_object_destroy(GTK_OBJECT(dot9_2DB));
 Ctr_9_DB=FALSE;
     }
     if(Ctr_9_FB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot9_1FB));
 gtk_object_destroy(GTK_OBJECT(dot9_2FB));
 Ctr_9_FB=FALSE;
     }
     if(value==FALSE){
 line_7DB_9DB_DG= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point1,"fill_color", cor,"width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
line_9FB_DG= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point2,"fill_color", cor,"width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
line_7FB_DG= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point3,"fill_color", cor,"width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
     }

     if(value==TRUE){

 gnome_canvas_item_set(line_7DB_9DB_DG ,"points",point1,"fill_color", cor,"width_units",                       4.0,"join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
       gnome_canvas_item_request_update(line_7DB_9DB_DG);
       gnome_canvas_item_show(line_7DB_9DB_DG);
       gnome_canvas_item_hide(line_9FB_DG);
       gnome_canvas_item_hide(line_7FB_DG);
     }



 if((Ctr_7_DB==FALSE)&&(Ctr_9_DB==FALSE)){
 c1x=f1x-2.0;
 c1y=f1y-2.0;
 c2x=f1x+2.0;
 c2y=f1y+2.0;
 dot7_1DB=gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c1x,"y1",c1y,"x2",c2x,"y2",c2y,"fill_color","green",
		        NULL);
 c3x=f8x-2.0;
 c3y=f8y-2.0;
 c4x=f8x+2.0;
 c4y=f8y+2.0;
 dot7_2DB=gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c3x,"y1",c3y,"x2",c4x,"y2",c4y,"fill_color","green",
		        NULL);
 c5x=f3x-2.0;
 c5y=f3y-2.0;
 c6x=f3x+2.0;
 c6y=f3y+2.0;
 dot9_1DB= gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c5x,"y1",c5y,"x2",c6x,"y2",c6y,"fill_color","green",
		        NULL);
 c7x=f10x-2.0;
 c7y=f10y-2.0;
 c8x=f10x+2.0;
 c8y=f10y+2.0;
 dot9_2DB=gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c7x,"y1",c7y,"x2",c8x,"y2",c8y,"fill_color","green",
		        NULL);
 Ctr_7_DB=TRUE;
 Ctr_9_DB=TRUE;
 }

 }
   
  if(i==20){
   
if(Ctr_2_DB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot2_1DB));
 gtk_object_destroy(GTK_OBJECT(dot2_2DB));
 Ctr_2_DB=FALSE;
     }
     if(Ctr_2_FB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot2_1FB));
 gtk_object_destroy(GTK_OBJECT(dot2_2FB));
 Ctr_2_FB=FALSE;
     }
if(Ctr_8_DB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot8_1DB));
 gtk_object_destroy(GTK_OBJECT(dot8_2DB));
 Ctr_8_DB=FALSE;
     }
     if(Ctr_8_FB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot8_1FB));
 gtk_object_destroy(GTK_OBJECT(dot8_2FB));
 Ctr_8_FB=FALSE;
     }

     if(value==FALSE){
 line_2DB_8DB_DG= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point1,"fill_color", cor,"width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
 line_8FB_DG= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point2,"fill_color", cor,"width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
 line_2FB_DG= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point3,"fill_color", cor,"width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
     }
 if(value==TRUE){

 gnome_canvas_item_set( line_2DB_8DB_DG,"points",point1,"fill_color", cor,"width_units",                       4.0,"join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
       gnome_canvas_item_request_update(line_2DB_8DB_DG);
       gnome_canvas_item_show(line_2DB_8DB_DG);
       gnome_canvas_item_hide(line_2FB_DG);
       gnome_canvas_item_hide(line_8FB_DG);
     }
 if((Ctr_2_DB==FALSE)&&(Ctr_8_DB==FALSE)){
 c1x=f1x-2.0;
 c1y=f1y-2.0;
 c2x=f1x+2.0;
 c2y=f1y+2.0;
 dot2_1DB=gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c1x,"y1",c1y,"x2",c2x,"y2",c2y,"fill_color","green",
		        NULL);
 c3x=f8x-2.0;
 c3y=f8y-2.0;
 c4x=f8x+2.0;
 c4y=f8y+2.0;
 dot2_2DB=gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c3x,"y1",c3y,"x2",c4x,"y2",c4y,"fill_color","green",
		        NULL);
 c5x=f3x-2.0;
 c5y=f3y-2.0;
 c6x=f3x+2.0;
 c6y=f3y+2.0;
 dot8_1DB= gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c5x,"y1",c5y,"x2",c6x,"y2",c6y,"fill_color","green",
		        NULL);
 c7x=f10x-2.0;
 c7y=f10y-2.0;
 c8x=f10x+2.0;
 c8y=f10y+2.0;
 dot8_2DB=gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c7x,"y1",c7y,"x2",c8x,"y2",c8y,"fill_color","green",
		        NULL);
 Ctr_2_DB=TRUE;
 Ctr_8_DB=TRUE;
 }

   }
   
if(i==21){
 
if(Ctr_4_DB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot4_1DB));
 gtk_object_destroy(GTK_OBJECT(dot4_2DB));
 Ctr_4_DB=FALSE;
     }
     if(Ctr_4_FB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot4_1FB));
 gtk_object_destroy(GTK_OBJECT(dot4_2FB));
 Ctr_4_FB=FALSE;
     }
if(Ctr_6_DB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot6_1DB));
 gtk_object_destroy(GTK_OBJECT(dot6_2DB));
 Ctr_6_DB=FALSE;
     }
     if(Ctr_6_FB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot6_1FB));
 gtk_object_destroy(GTK_OBJECT(dot6_2FB));
 Ctr_6_FB=FALSE;
     }
     if(value==FALSE){
 line_4DB_6DB_DG= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point1,"fill_color", cor,"width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
 line_4FB_DG= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point2,"fill_color", cor,"width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 line_6FB_DG= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point3,"fill_color", cor,"width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
     }
 if(value==TRUE){

 gnome_canvas_item_set( line_4DB_6DB_DG,"points",point1,"fill_color", cor,"width_units",                       4.0,"join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);
       gnome_canvas_item_request_update(line_4DB_6DB_DG);
       gnome_canvas_item_show(line_4DB_6DB_DG);
       gnome_canvas_item_hide(line_4FB_DG);
       gnome_canvas_item_hide(line_6FB_DG);
     }
 
 if((Ctr_4_DB==FALSE)&&(Ctr_6_DB==FALSE)){
 c1x=f1x-2.0;
 c1y=f1y-2.0;
 c2x=f1x+2.0;
 c2y=f1y+2.0;
 dot4_1DB=gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c1x,"y1",c1y,"x2",c2x,"y2",c2y,"fill_color","green",
		        NULL);
 c3x=f8x-2.0;
 c3y=f8y-2.0;
 c4x=f8x+2.0;
 c4y=f8y+2.0;
 dot4_2DB=gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c3x,"y1",c3y,"x2",c4x,"y2",c4y,"fill_color","green",
		        NULL);
 c5x=f3x-2.0;
 c5y=f3y-2.0;
 c6x=f3x+2.0;
 c6y=f3y+2.0;
 dot6_1DB= gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c5x,"y1",c5y,"x2",c6x,"y2",c6y,"fill_color","green",
		        NULL);
 c7x=f10x-2.0;
 c7y=f10y-2.0;
 c8x=f10x+2.0;
 c8y=f10y+2.0;
 dot6_2DB=gnome_canvas_item_new(group,
                        gnome_canvas_ellipse_get_type(),
		        "x1",c7x,"y1",c7y,"x2",c8x,"y2",c8y,"fill_color","green",
		        NULL);
 Ctr_4_DB=TRUE;
 Ctr_6_DB=TRUE;
 }

}
   

 gnome_canvas_points_unref(point1);
 gnome_canvas_points_unref(point2);
 gnome_canvas_points_unref(point3);

  }

  else if(dir==1){   
   point1=gnome_canvas_points_new(2);
   point1->coords[0]=fx;
   point1->coords[1]=fy;
   point1->coords[2]=f2x;
   point1->coords[3]=f2y;

   point2=gnome_canvas_points_new(3);
   point2->coords[0]=fx;
   point2->coords[1]=fy;
   point2->coords[2]=f1x;
   point2->coords[3]=f1y;
   point2->coords[4]=f4x;
   point2->coords[5]=f4y;

   point3=gnome_canvas_points_new(3);
   point3->coords[0]=f2x;
   point3->coords[1]=f2y;
   point3->coords[2]=f3x;
   point3->coords[3]=f3y;
   point3->coords[4]=f4x;
   point3->coords[5]=f4y;
 
   if(i==7){

if(Ctr_5_DB==TRUE){
 gtk_object_destroy(GTK_OBJECT(dot5_1DB));

 gtk_object_destroy(GTK_OBJ