rem: WMTableView *table = (WMTableView*)data;
add: WMTableColumn *column = (WMTableColumn*)data; WMTableView *table = column->table;
context: static void splitterHandler(XEvent *event, void *data){    WMTableView *table = (WMTableView*)data;    int done = 0;        while (!done) {	XEvent ev;		WMMaskEvent(event->xany.display, ButtonMotionMask|ButtonReleaseMask,		    &ev);		switch (event->type) {	 case MotionNotify:	    printf("%i\n", event->xmotion.x);	    break;	    	 case ButtonRelease:	    done = 1;	    break;	}    }}