switch.c

linux下的人机对话编程

 if(direct==DB_REQ){
   gnome_canvas_item_show(sw5_DB);
   gnome_canvas_item_hide(sw5_FB);
 }
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw5_FB);
   gnome_canvas_item_hide(sw5_DB);
 }
	}

	if(value==TRUE)/*重画来判断显示定位道岔还是反位道岔*/
	  {
 if(direct==DB_REQ){
   gnome_canvas_item_show(sw5_DB);
   gnome_canvas_item_hide(sw5_FB);
 }
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw5_FB);
   gnome_canvas_item_hide(sw5_DB);
 }
	  }
      }

 if(j==8){
	if(value==FALSE){/*初始化时来创建定位道岔和反位道岔并判断显示哪一个*/
   point3=gnome_canvas_points_new(2);
   point3->coords[0]=s1x;
   point3->coords[1]=s1y;
   point3->coords[2]=s2x;
   point3->coords[3]=s2y;
 
sw17_DB= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point3,"fill_color", "blue","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 gnome_canvas_points_unref(point3);

 point4=gnome_canvas_points_new(2);
   point4->coords[0]=s1x;
   point4->coords[1]=s1y;
   point4->coords[2]=s3x;
   point4->coords[3]=s3y;
  
 

sw17_FB= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point4,"fill_color", "blue","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 gnome_canvas_points_unref(point4);

 if(direct==DB_REQ){
   gnome_canvas_item_show(sw17_DB);
   gnome_canvas_item_hide(sw17_FB);
 }
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw17_FB);
   gnome_canvas_item_hide(sw17_DB);
 }
	}

	if(value==TRUE)/*重画来判断显示定位道岔还是反位道岔*/
	  {
 if(direct==DB_REQ){
   gnome_canvas_item_show(sw17_DB);
   gnome_canvas_item_hide(sw17_FB);
 }
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw17_FB);
   gnome_canvas_item_hide(sw17_DB);
 }
	  }
      }


 if(j==13){
	if(value==FALSE){/*初始化时来创建定位道岔和反位道岔并判断显示哪一个*/
   point3=gnome_canvas_points_new(2);
   point3->coords[0]=s1x;
   point3->coords[1]=s1y;
   point3->coords[2]=s2x;
   point3->coords[3]=s2y;
 
sw8_DB= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point3,"fill_color", "blue","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 gnome_canvas_points_unref(point3);

 point4=gnome_canvas_points_new(2);
   point4->coords[0]=s1x;
   point4->coords[1]=s1y;
   point4->coords[2]=s3x;
   point4->coords[3]=s3y;
  
 

sw8_FB= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point4,"fill_color", "blue","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 gnome_canvas_points_unref(point4);

 if(direct==DB_REQ){
   gnome_canvas_item_show(sw8_DB);
   gnome_canvas_item_hide(sw8_FB);
 }
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw8_FB);
   gnome_canvas_item_hide(sw8_DB);
 }
	}

	if(value==TRUE)/*重画来判断显示定位道岔还是反位道岔*/
	  {
 if(direct==DB_REQ){
   gnome_canvas_item_show(sw8_DB);
   gnome_canvas_item_hide(sw8_FB);
 }
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw8_FB);
   gnome_canvas_item_hide(sw8_DB);
 }
	  }
     }


    }
    else if(itype==3){
      s2x=s1x+7;
      s2y=s1y;
      s3x=s1x+3;
      s3y=s1y+9;
 if(value==FALSE){
   point1=gnome_canvas_points_new(2);
   point1->coords[0]=s1x;
   point1->coords[1]=s1y;
   point1->coords[2]=s2x;
   point1->coords[3]=s2y;

 gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point1,"fill_color", "black","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 gnome_canvas_points_unref(point1);

 point2=gnome_canvas_points_new(2);
   point2->coords[0]=s1x;
   point2->coords[1]=s1y;
   point2->coords[2]=s3x;
   point2->coords[3]=s3y;

 gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point2,"fill_color", "black","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);


 gnome_canvas_points_unref(point2);
 }




 if(j==4){
 
	if(value==FALSE){/*初始化时来创建定位道岔和反位道岔并判断显示哪一个*/
   point3=gnome_canvas_points_new(2);
   point3->coords[0]=s1x;
   point3->coords[1]=s1y;
   point3->coords[2]=s2x;
   point3->coords[3]=s2y;
 
sw9_DB= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point3,"fill_color", "blue","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 gnome_canvas_points_unref(point3);

 point4=gnome_canvas_points_new(2);
   point4->coords[0]=s1x;
   point4->coords[1]=s1y;
   point4->coords[2]=s3x;
   point4->coords[3]=s3y;
  
 

sw9_FB= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point4,"fill_color", "blue","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 gnome_canvas_points_unref(point4);

 if(direct==DB_REQ){
   gnome_canvas_item_show(sw9_DB);
   gnome_canvas_item_hide(sw9_FB);
 }
 
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw9_FB);
   gnome_canvas_item_hide(sw9_DB);
 }
	}

	if(value==TRUE)/*重画来判断显示定位道岔还是反位道岔*/
	  {
 if(direct==DB_REQ){
   gnome_canvas_item_show(sw9_DB);
   gnome_canvas_item_hide(sw9_FB);
 }
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw9_FB);
   gnome_canvas_item_hide(sw9_DB);
 }
	  }
	}
if(j==11){
 
	if(value==FALSE){/*初始化时来创建定位道岔和反位道岔并判断显示哪一个*/
   point3=gnome_canvas_points_new(2);
   point3->coords[0]=s1x;
   point3->coords[1]=s1y;
   point3->coords[2]=s2x;
   point3->coords[3]=s2y;
 
sw4_DB= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point3,"fill_color", "blue","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 gnome_canvas_points_unref(point3);

 point4=gnome_canvas_points_new(2);
   point4->coords[0]=s1x;
   point4->coords[1]=s1y;
   point4->coords[2]=s3x;
   point4->coords[3]=s3y;
  
 

sw4_FB= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point4,"fill_color", "blue","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 gnome_canvas_points_unref(point4);

 if(direct==DB_REQ){
   gnome_canvas_item_show(sw4_DB);
   gnome_canvas_item_hide(sw4_FB);
 }
 
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw4_FB);
   gnome_canvas_item_hide(sw4_DB);
 }
	}

	if(value==TRUE)/*重画来判断显示定位道岔还是反位道岔*/
	  {
 if(direct==DB_REQ){
   gnome_canvas_item_show(sw4_DB);
   gnome_canvas_item_hide(sw4_FB);
 }
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw4_FB);
   gnome_canvas_item_hide(sw4_DB);
 }
	  }
}

if(j==6){
 
	if(value==FALSE){/*初始化时来创建定位道岔和反位道岔并判断显示哪一个*/
   point3=gnome_canvas_points_new(2);
   point3->coords[0]=s1x;
   point3->coords[1]=s1y;
   point3->coords[2]=s2x;
   point3->coords[3]=s2y;
 
sw13_DB= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point3,"fill_color", "blue","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 gnome_canvas_points_unref(point3);

 point4=gnome_canvas_points_new(2);
   point4->coords[0]=s1x;
   point4->coords[1]=s1y;
   point4->coords[2]=s3x;
   point4->coords[3]=s3y;
  
 

sw13_FB= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point4,"fill_color", "blue","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 gnome_canvas_points_unref(point4);

 if(direct==DB_REQ){
   gnome_canvas_item_show(sw13_DB);
   gnome_canvas_item_hide(sw13_FB);
 }
 
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw13_FB);
   gnome_canvas_item_hide(sw13_DB);
 }
	}

	if(value==TRUE)/*重画来判断显示定位道岔还是反位道岔*/
	  {
 if(direct==DB_REQ){
   gnome_canvas_item_show(sw13_DB);
   gnome_canvas_item_hide(sw13_FB);
 }
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw13_FB);
   gnome_canvas_item_hide(sw13_DB);
 }
	  }
      }

 if(j==9){
 
	if(value==FALSE){/*初始化时来创建定位道岔和反位道岔并判断显示哪一个*/
   point3=gnome_canvas_points_new(2);
   point3->coords[0]=s1x;
   point3->coords[1]=s1y;
   point3->coords[2]=s2x;
   point3->coords[3]=s2y;
 
sw19_DB= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point3,"fill_color", "blue","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 gnome_canvas_points_unref(point3);

 point4=gnome_canvas_points_new(2);
   point4->coords[0]=s1x;
   point4->coords[1]=s1y;
   point4->coords[2]=s3x;
   point4->coords[3]=s3y;
  
 

sw19_FB= gnome_canvas_item_new(group,gnome_canvas_line_get_type(),
                      "points",point4,"fill_color", "blue","width_units",4.0,
                      "join_style", GDK_CAP_BUTT,"line_style",
                      GDK_LINE_SOLID,NULL);

 gnome_canvas_points_unref(point4);

 if(direct==DB_REQ){
   gnome_canvas_item_show(sw19_DB);
   gnome_canvas_item_hide(sw19_FB);
 }
 
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw19_FB);
   gnome_canvas_item_hide(sw19_DB);
 }
	}

	if(value==TRUE)/*重画来判断显示定位道岔还是反位道岔*/
	  {
 if(direct==DB_REQ){
   gnome_canvas_item_show(sw19_DB);
   gnome_canvas_item_hide(sw19_FB);
 }
 if(direct==FB_REQ){
   gnome_canvas_item_show(sw19_FB);
   gnome_canvas_item_hide(sw19_DB);
 }
	  }
	}

    }
    


 return 1;
   
}