change_legend_display.c

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#include "prototypes.h"
 
void change_legend_display(int win_x,int win_y)
 
{
 
extern Pixmap pixf;
extern int legend_flag;
extern int max_legends;
extern Window window;
extern Widget drawing_area;
extern int rs;
extern int legendysize;
Dimension width,height;
Arg args[10];
int legendystart;
int i;
 
legendystart=legendysize+10;
 
XtSetArg(args[0],XtNwidth,&width);
XtSetArg(args[1],XtNheight,&height);
XtGetValues(drawing_area,args,2);
 
if(win_x < width - rs - 5)
                            return;
 
for(i=0;i<max_legends;i++) {
 
if(win_y >= (legendystart +(i+1)*rs) &&
   win_y <  (legendystart +(i+2)*rs))
                           legend_flag=i;
 
}
 
if(legend_flag==0)
            redraw_topo_legend(window);
 
else if(legend_flag > 0)
            redraw_legend(window);
    
}