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C/C++ Source or Header  |  1993-04-28  |  363 b   |  17 lines
  1. #include "xsignal.h"
  2.  
  3. void canvas_exposed(canvas,event,params,nparams)
  4.     Widget        canvas;
  5.     XExposeEvent    *event;
  6.     String        *params;
  7.     Cardinal    *nparams;
  8. {
  9.     sigbox *pane;
  10.  
  11.     /* Compress Events, only respond to count=0 event */
  12.     if( event->count != 0 ) return;
  13.     pane = panefromcanvas(canvas);
  14.     if(pane->s == NULL) return;
  15.     XtCallCallbacks(pane->draw,XtNcallback,NULL);
  16. }
  17.