/*	**************************************************************  */
/*
 *	Module VMAGUI
 *	This module contains functions for the VMAG
 *	user interface.
 *
 *	Zachary Wolf
 *	12/15/00
 */ 

/*	**************************************************************  */

/*	INCLUDES  */
#include <utility.h>
#include <ansi_c.h>
#include <cvirte.h>		/* Needed if linking in external compiler; harmless otherwise */
#include <userint.h>
#include "vmaguir.h"
#include "vmagui.h"
#include "vmag.h"

/*	**************************************************************  */

/*	PRIVATE PARAMETERS  */
static struct vmag_param_struct vmag_param;

/*	**************************************************************  */

/*	PRIVATE VARIABLES  */
static int vmag_panel;
static int vmagop_panel;

/*	**************************************************************  */

/*  PRIVATE FUNCTION DECLARATIONSS  */
void vmagui_error(char* msg);

/*	**************************************************************  */

/*  PUBLIC FUNCTIONS  */

/*	**************************************************************  */
/*
 *	vmagui_init
 *  This function initializes the user interface.
 *
 *	Input:
 *	top_pos, vertical position of top left panel corner in screen coordinates
 *	left_pos, horizontal position of top left panel corner in screen coordinates
 *	vmag_par, vmag system parameters
 *
 *	Zachary Wolf
 *	12/15/00
 */

void vmagui_init(int top_pos, int left_pos, struct vmag_param_struct vmag_par)
{
	/* Declare variables */
	char name_string[80];
	
	/* Save parameters for future use */
	vmag_param = vmag_par;
	
	/* Make sure the user interface panel is desired */
	if (vmag_param.show_ui != VMAG_TRUE) return;
	
	/* Open the VMAG panel */
	vmag_panel = LoadPanel(0, "vmaguir.uir", VMAGPAN);
	if (vmag_panel < 0)
	{
		vmagui_error("Could not open user interface panel");
		return;
	}

	/* Set the panel position */
	SetPanelPos(vmag_panel, top_pos, left_pos);
	
	/* Display the panel when the user interface runs */
	DisplayPanel(vmag_panel);
	
	/* Write a header in the text box */
	strcpy(name_string, "Magnet Voltage (V)");
	SetCtrlVal (vmag_panel, VMAGPAN_TEXTMSG_DESCRIPTION, name_string);
	
	/* Done */
	return;
}

/*	**************************************************************  */
/*
 *	vmagopui_init
 *  This function initializes the user interface for the VMAG system.
 *
 *	Input:
 *	top_pos, vertical position of top left panel corner in screen coordinates
 *	left_pos, horizontal position of top left panel corner in screen coordinates
 *
 *	Zachary Wolf
 *	12/15/00
 */

void vmagopui_init(int top_pos, int left_pos)
{
	/* Open the panel */
	vmagop_panel = LoadPanel(0, "vmaguir.uir", VMAGOPPAN);
	if (vmag_panel < 0)
	{
		vmagui_error("Could not open user interface panel");
		return;
	}

	/* Set the panel position */
	SetPanelPos(vmagop_panel, top_pos, left_pos);
	
	/* Display the panel when the user interface runs */
	DisplayPanel(vmagop_panel);
	
	/* Done */
	return;
}

/*	**************************************************************  */

void vmagui_update(double voltage)
{
	/* Declare variables */
	char vmag_val_string[80];

	/* Check for the user interface */
	if (vmag_param.show_ui != VMAG_TRUE) return; 
											 
	/* Display the new values */
	sprintf(vmag_val_string, "%s %7.2f\n", TimeStr(), voltage); 
	SetCtrlVal (vmag_panel, VMAGPAN_TEXTBOX_VALUE, vmag_val_string);
	
	/* Add the new value to the strip chart */
	PlotStripChartPoint(vmag_panel, VMAGPAN_STRIPCHART_VOLTAGE, voltage);
	
	/* Done */
	return;
}

/*	**************************************************************  */

/*  PRIVATE FUNCTIONS  */

/*	**************************************************************  */
/*
 *	vmagui_error
 *  This function handles error messages for the VMAG user interface.
 *
 *	Input:
 *	message, string to display in standard I/O
 *
 *	Zachary Wolf
 *	12/15/00
 */

void vmagui_error(char* message)
{
	/* Declare variables */
	char buf[VMAG_MAX_CMD];
	
	/* Notify the operator of the error */
	printf("\nVMAGUI ERROR: %s\n", message);
	Beep();
	Delay(.5);
	Beep();
	
	/* Terminate the program if the operator desires */
	printf("Press ENTER to continue.\nPress any key then ENTER to terminate program.\n");
	fgets(buf, VMAG_MAX_CMD, stdin);
	if (buf[0] == '\n') return;
	else exit(0);
}

/*	**************************************************************  */

/*  PRIVATE USER INTERFACE FUNCTIONS  */

/*	**************************************************************  */

int CVICALLBACK vmagui_get_voltage(int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	double voltage;
	switch (event)
	{
		case EVENT_COMMIT:
			vmag_get_voltage(&voltage);
			vmagui_update(voltage);
			break;
		case EVENT_RIGHT_CLICK:

			break;
	}
	return 0;
}

/*	**************************************************************  */

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

			break;
	}
	return 0;
}