File: slider.c

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/* vu block 
 * Copyrght Enpc jpc 
 */
#include <stdio.h>
#include "../graphics/Math.h"


extern int C2F(getgeom)(double *);

/*----------------------------------------------------
 * erase a rectangle 
 *----------------------------------------------------*/ 

static void block_draw_rect_1(double r[],double percent)
{
  integer alumode,verbose=0,narg;
  static integer in=6;
  double w = r[2]*percent;
  double x = r[0];
  C2F(dr)("xget","alufunction",&verbose,&alumode,&narg,PI0,PI0,PI0,PD0,PD0,PD0,PD0,0L,0L);
  if ( alumode != in ) C2F(dr1)("xset","alufunction",&in,PI0,PI0,PI0,PI0,PI0,PD0,PD0,PD0,PD0,0L,0L);
  C2F(dr1)("xfrect","v",PI0,PI0,PI0,PI0,PI0,PI0,&x,r+1,&w,r+3,0L,0L);
  if ( alumode != in ) C2F(dr1)("xset","alufunction",&alumode,PI0,PI0,PI0,PI0,PI0,PD0,PD0,PD0,PD0,0L,0L);
}

static void block_draw_rect_2(double r[],double percent)
{
  integer alumode,verbose=0,narg;
  /* integer flag =0;  double ang=0.0;  char foo[24]; */
  static integer in=6;
  double x = r[0]+ r[2]*percent-2;
  double w = 4;
  C2F(dr)("xget","alufunction",&verbose,&alumode,&narg,PI0,PI0,PI0,PD0,PD0,PD0,PD0,0L,0L);
  if ( alumode != in ) C2F(dr1)("xset","alufunction",&in,PI0,PI0,PI0,PI0,PI0,PD0,PD0,PD0,PD0,0L,0L);
  C2F(dr1)("xfrect","v",PI0,PI0,PI0,PI0,PI0,PI0,&x,r+1,&w,r+3,0L,0L);
  /* sprintf(foo,"%5.3f",percent);
     C2F(dr1)("xstring",foo,PI0,PI0,PI0,&flag,PI0,PI0,r,r+1,&ang,PD0,0L,0L);
  */

  if ( alumode != in ) C2F(dr1)("xset","alufunction",&alumode,PI0,PI0,PI0,PI0,PI0,PD0,PD0,PD0,PD0,0L,0L);
}


static void block_draw_rect_3(double r[],double percent)
{
  integer alumode,verbose=0,narg;
  integer flag =0;  double ang=0.0;  char foo[24];
  static integer in=6;
  double x = r[0] + (1.0/10)*r[2];
  double y = r[1] - r[3] + 2 ;
  C2F(dr)("xget","alufunction",&verbose,&alumode,&narg,PI0,PI0,PI0,PD0,PD0,PD0,PD0,0L,0L);
  if ( alumode != in ) C2F(dr1)("xset","alufunction",&in,PI0,PI0,PI0,PI0,PI0,PD0,PD0,PD0,PD0,0L,0L);
  sprintf(foo,"%5.3f",percent);
  C2F(dr1)("xstring",foo,PI0,PI0,PI0,&flag,PI0,PI0,&x,&y,&ang,PD0,0L,0L);
  if ( alumode != in ) C2F(dr1)("xset","alufunction",&alumode,PI0,PI0,PI0,PI0,PI0,PD0,PD0,PD0,PD0,0L,0L);
}




/*----------------------------------------------------
 * switch to X11 driver  
 *----------------------------------------------------*/ 

#define REMOVE_REC_DRIVER() char old_rec[4]; int rem_flag ; rem_flag = scig_driverX11(old_rec); 
#define RESTORE_DRIVER() if (rem_flag == 1) C2F(SetDriver)(old_rec,PI0,PI0,PI0,PI0,PI0,PI0,PD0,PD0,PD0,PD0);

static int scig_driverX11(char *old) 
{
  GetDriver1(old,PI0,PI0,PI0,PI0,PI0,PI0,PD0,PD0,PD0,PD0);
  if ( old[0] == 'R' )
    {
      C2F(SetDriver)("X11",PI0,PI0,PI0,PI0,PI0,PI0,PD0,PD0,PD0,PD0);
      return 1;
    }
  return 0;
}

/*----------------------------------------------------
 * changes the current window to win 
 * returns the old current window number 
 *----------------------------------------------------*/ 

static int set_block_win( int win)
{
  static int verbose = 0, cur,narg;
  C2F(dr)("xget","window",&verbose,&cur,&narg,PI0,PI0,PI0,PD0,PD0,PD0,PD0,0L,0L);
  if ( cur != win ) 
    C2F(dr)("xset","window",&win,PI0,PI0,PI0,PI0,PI0,PD0,PD0,PD0,PD0,0L,0L);
  return cur ;
}

/*----------------------------------------------------
 * changes the current color to color 
 * returns the old color
 *----------------------------------------------------*/ 


static int set_slider_color( int color)
{
  static int verbose = 0, cur,narg;
  C2F(dr)("xget","color",&verbose,&cur,&narg,PI0,PI0,PI0,PD0,PD0,PD0,PD0,0L,0L);
  if ( cur != color ) 
    C2F(dr)("xset","color",&color,PI0,PI0,PI0,PI0,PI0,PD0,PD0,PD0,PD0,0L,0L);
  return cur ;
}

/*----------------------------------------------------
 * follow an input value with a graphic slider 
 * 
 *  rpar = [min-range, max-range] 
 *  ipar = [type (1,2),color]
 *  z = [val,window,x,y,w,h] 
 *----------------------------------------------------*/

void slider(integer *flag, integer *nevprt, double *t, double *xd,
	    double *x, integer *nx, double *z, integer *nz,
	    double *tvec, integer *ntvec, double *rpar,
	    integer *nrpar, integer *ipar, integer *nipar,
	    double * u, integer *nu, double * y, integer *ny) 
{
  
  int wid, idb = 0 ; /* XXX remettre idb avec son common */
  int cur; 
  static double th=2 ; /* border thickness */
  static double t3d = 4.0 ; /* 3d look thickness */
  int curcolor;
  if ( idb == 1 ) 
    sciprint("Slider t=%10.3f, flag=%d \r\n",*t,*flag);

  switch ( *flag ) {
  case 2 : 
    /* standard case */ 
    wid= (int) z[1];
    if( wid < 0) return;
    cur = set_block_win(wid) ; 
    {
      double val = Min(rpar[1],Max(rpar[0],u[0]));
      double percent = (val - rpar[0])/(rpar[1]-rpar[0]);
      if ( Abs(z[0] - percent) > 0.01 ) /* a mettre en parametre XXXXX */
	{
	  REMOVE_REC_DRIVER();
	  curcolor=set_slider_color(ipar[1]);
	  switch (ipar[0]) 
	    {
	    case 1 : 
	      block_draw_rect_1(z+2,z[0]);
	      block_draw_rect_1(z+2,percent);
	      break;
	    case 2 :
	      block_draw_rect_2(z+2,z[0]);
	      block_draw_rect_2(z+2,percent);
	      break;
	    case 3 :
	      block_draw_rect_3(z+2,z[0]);
	      block_draw_rect_3(z+2,percent);
	      break;
	    }
	  curcolor=set_slider_color(curcolor);
	  z[0] = percent;
	  RESTORE_DRIVER();
	}
    }
    set_block_win(cur);
    break;
  case 4 : 
    /* initial case */ 
    z[0]= 0.0;
    C2F(getgeom)(z+1);
    z[2] = z[2]+ t3d +th ; 
    z[4] -= t3d + 2*th  ;
    z[3] = z[3] + z[5] ;
    z[5] -= t3d  ;
    wid= (int) z[1];
    if( wid < 0) return;
    cur = set_block_win(wid) ; 
    {
      REMOVE_REC_DRIVER();
      curcolor=set_slider_color(ipar[1]);
      C2F(dr1)("xclea","v",PI0,PI0,PI0,PI0,PI0,PI0,z+2,z+3,z+4,z+5,0L,0L);
      switch (ipar[0]) 
	{
	case 1 : 
	  block_draw_rect_1(z+2,z[0]);
	  break;
	case 2 :
	  block_draw_rect_2(z+2,z[0]);
	  break;
	case 3 :
	  block_draw_rect_3(z+2,z[0]);
	  break;

	}
      curcolor=set_slider_color(curcolor);
      RESTORE_DRIVER();
    }
    set_block_win(cur);
    break;
  }
}