#include <ansi_c.h>
#include <cvirte.h>		
#include <userint.h>
#include "Calc.h"

static int panelHandle , arrayHandle;
char *strVec[]={"0","1","2","3","4","5","6","7","8","9","."};
char DispStr[200];
double FirstOp, SecondOp;
int Operator;

int main (int argc, char *argv[])
{
	if (InitCVIRTE (0, argv, 0) == 0)
		return -1;	/* out of memory */
	if ((panelHandle = LoadPanel (0, "Calc.uir", PANEL)) < 0)
		return -1;
	
	DisplayPanel (panelHandle);
	arrayHandle = GetCtrlArrayFromResourceID (panelHandle, NUMARRAY);
	
	
	RunUserInterface ();
	DiscardPanel (panelHandle);
	return 0;
}

int CVICALLBACK quit (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
		{
		case EVENT_COMMIT:
			QuitUserInterface (0);
			break;
		case EVENT_RIGHT_CLICK:
						
			break;
		}
	return 0;
}

int CVICALLBACK Num (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
int Inx;
	switch (event)
		{
		case EVENT_COMMIT:
			GetCtrlArrayIndex (arrayHandle, panelHandle, control, &Inx);
			//strcat(DispStr,strVec[control-PANEL_N0]);
			strcat(DispStr,strVec[Inx]);
			SetCtrlVal (panelHandle, PANEL_STRING, DispStr);
			
			break;
		case EVENT_RIGHT_CLICK:

			break;
		}
	return 0;
}

int CVICALLBACK Operand (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
		{
		case EVENT_COMMIT:
			FirstOp = atof(DispStr);
			strcpy(DispStr, "");
			Operator = control;
			break;
		}
	return 0;
}

int CVICALLBACK Equ (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
		{
		case EVENT_COMMIT:
			SecondOp = atof(DispStr);
			switch (Operator)
				{
				case PANEL_PLUS:
					FirstOp += SecondOp;
					break;
				case PANEL_MINUS:
					FirstOp -= SecondOp;
					break;
				case PANEL_MUL:
					FirstOp *= SecondOp;
					break;
				case PANEL_DIV:
					FirstOp /= SecondOp;
					break;
				}
			
			sprintf(DispStr, "%f", FirstOp);
			SetCtrlVal (panelHandle, PANEL_STRING, DispStr);
			break;
		}
	return 0;
}