DIALOG calc, tabtitle("Calculation")
BEGIN
  TEXT  tx_iter      10  10  390  ., label("Days:")		   
  SPINNER sp_days     @       +20     @       .,              ///
        min(1) max(365) option(days) default(150) ///
		tooltip("Number of days")
		
  TEXT  tx_day0      @  +20  @  ., label("Day zero (t0) in YYYY-MM-DD format:")
  EDIT  ed_day0     @       +20     @       .,              ///
        option(day0) default("")		///
		tooltip("Date corresponding to day zero of the simulation (date of t0).")
		
TEXT  tx_steps      @  +20  390  ., label("Number of simulation steps per day (1..1000):")		   
  SPINNER sp_steps     @       +20     @       .,              ///
        min(1) max(1000) option(steps) default(1) ///
		tooltip("Number of steps")		
		
CHECKBOX ck_clear      @       +30     @       .,              ///
        label("Clear data in memory")                      ///
        option(clear) 

CHECKBOX ck_percent      @       +30     @       .,              ///
        label("Report model results as percentages")                      ///
        option(percent) 

TEXT tx_report     10 +25 390 ., label("Filename for report in PDF:")  
FILE fi_report     10 +20 390 ., label("Browse ...") ///
       save dialogtitle("Specify filename for saving the report in PDF") ///
	   filter("PDF documents|*.pdf|All Files|*.*") option(pdfreport) ///
	   tooltip("Optionally specify filename for saving the report in PDF")
		
END