static void canvas_keys  	( /* Widget, caddr_t, XEvent* */ );
static void canvas_button1up  	( /* Widget, caddr_t, XEvent* */ );
static void canvas_button1down	( /* Widget, caddr_t, XEvent* */ );
static void canvas_button2up  	( /* Widget, caddr_t, XEvent* */ );
static void canvas_button2down	( /* Widget, caddr_t, XEvent* */ );
static void canvas_button3up  	( /* Widget, caddr_t, XEvent* */ );
static void canvas_button3down	( /* Widget, caddr_t, XEvent* */ );
static void canvas_button1motion( /* Widget, caddr_t, XEvent* */ );
static void canvas_button2motion( /* Widget, caddr_t, XEvent* */ );
static void canvas_button3motion( /* Widget, caddr_t, XEvent* */ );
static void toggle_mode			( /* Widget, caddr_t, XEvent* */ );
static void null_mode                   ( /* Widget, caddr_t, XEvent* */ );
static void insert_mode                 ( /* Widget, caddr_t, XEvent* */ );
static void delete_mode                 ( /* Widget, caddr_t, XEvent* */ );
static void move_mode                   ( /* Widget, caddr_t, XEvent* */ );


/* Font for the Buttons */
#define BUTTON_FONT "-adobe-times-bold-r-normal--18-180-75-75-p-99-iso8859-1"
#define TEXT_FONT	"-adobe-helvetica-bold-r-normal--14-140-75-75-p-82-iso8859-1"
#define LABEL_FONT	"-adobe-helvetica-bold-r-normal--14-140-75-75-p-82-iso8859-1"
#define ERROR_FONT	"-adobe-helvetica-medium-r-normal--12-120-75-75-p-67-iso8859-1"



static	XtCallbackRec
		drawingPanekeysCallbacks[] = {
			{ canvas_keys,				NULL },
			{ NULL,					NULL } };


static	XtCallbackRec
		drawingPaneButton1DownCallbacks[] = {
			{ canvas_button1down,	NULL },
			{ NULL,					NULL } };

static	XtCallbackRec
		drawingPaneButton1UpCallbacks[] = {
			{ canvas_button1up,		NULL },
			{ NULL,					NULL } };
static  XtCallbackRec
                drawingPaneButton2DownCallbacks[] = {
                        { canvas_button2down,   NULL },
                        { NULL,                                 NULL } };

static  XtCallbackRec
                drawingPaneButton2UpCallbacks[] = {
                        { canvas_button2up,             NULL },
                        { NULL,                                 NULL } };

static	XtCallbackRec
		drawingPaneButton3DownCallbacks[] = {
			{ canvas_button3down,	NULL },
			{ NULL,					NULL } };

static	XtCallbackRec
		drawingPaneButton3UpCallbacks[] = {
			{ canvas_button3up,		NULL },
			{ NULL,					NULL } };

static  XtCallbackRec
                drawingPaneMotion1Callbacks[] = {
                        { canvas_button1motion, NULL },
                        { NULL,                                 NULL } };

static  XtCallbackRec
                drawingPaneMotion2Callbacks[] = {
                        { canvas_button2motion, NULL },
                        { NULL,                                 NULL } };

static	XtCallbackRec
		drawingPaneMotion3Callbacks[] = {
			{ canvas_button3motion,	NULL },
			{ NULL,					NULL } };

/*------------------------------------------*/
static  XtCallbackRec
                nullModeButtonCallbacks[] = {
                        { null_mode,            NULL },
                        { NULL,                         NULL } };

static  XtCallbackRec
                insertModeButtonCallbacks[] = {
                        { insert_mode,          NULL },
                        { NULL,                         NULL } };

static  XtCallbackRec
                deleteModeButtonCallbacks[] = {
                        { delete_mode,          NULL },
                        { NULL,                         NULL } };

static  XtCallbackRec
                moveModeButtonCallbacks[] = {
                        { move_mode,            NULL },
                        { NULL,                         NULL } };

/*------------------------------------------*/

/*
static  Arg
                box2Args[] = {
                        { XtNorientation,       (XtArgVal) XaworientHorizontal },
                };
*/

static  Arg
                fileNameLabelArgs[] = {
                        { XtNborderWidth,       (XtArgVal) 0 },
                        { XtNlabel,                     (XtArgVal) "File:" },
                };

static  Arg
                fileNameTextArgs[] = {
                        { XtNuseStringInPlace,  (XtArgVal) True},
                        { XtNlength,            (XtArgVal) FILENAMELEN },
                        { XtNeditType,          (XtArgVal) XawtextEdit },
                        { XtNstring,            (XtArgVal) fileNameString },
                        { XtNwidth,                     (XtArgVal) 250 },

                };

static  Arg
                filterNameLabelArgs[] = {
                        { XtNlabel,                     (XtArgVal) "Filter:" },
                        { XtNborderWidth,       (XtArgVal) 0 },
                };

static  Arg
                filterNameTextArgs[] = {
                        { XtNuseStringInPlace,  (XtArgVal) True},
                        { XtNlength,            (XtArgVal) FILENAMELEN },
                        { XtNeditType,          (XtArgVal) XawtextEdit },
                        { XtNstring,            (XtArgVal) filterNameString },
                        { XtNwidth,                     (XtArgVal) 250 },

                };


static  Arg
                shapeNameLabelArgs[] = {
                        { XtNlabel,                     (XtArgVal) "Node-Shape:" },
                        { XtNborderWidth,       (XtArgVal) 0 },
                };

static  Arg
                shapeNameTextArgs[] = {
                        { XtNuseStringInPlace,  (XtArgVal) True},
                        { XtNlength,            (XtArgVal) FILENAMELEN },
                        { XtNstring,            (XtArgVal) shapeNameString },
                        { XtNeditType,          (XtArgVal) XawtextEdit },
                };



 

/* init_can Arg */
static  Arg
                drawingSectionArgs[] = {
                        { XtNfromVert,          (XtArgVal) NULL },
                        { XtNleft,                      (XtArgVal) XtChainLeft },
                        { XtNright,                     (XtArgVal) XtChainRight },
                        { XtNtop,                       (XtArgVal) XtChainTop },
                        { XtNborderWidth,       (XtArgVal) 0 },
                        { XtNvertDistance,      (XtArgVal) 0 },
                        };


/* Drawing-Box Arg */
static  Arg
                drawingAreaArgs[] = {
                        { XtNallowHoriz,        (XtArgVal) True },
                        { XtNallowVert,         (XtArgVal) True },
                        { XtNborderWidth,       (XtArgVal) 1 },
                        { XtNforceBars,         (XtArgVal) True },
                        { XtNheight,            (XtArgVal) 700 },
                        { XtNwidth,                     (XtArgVal) 700 },
                        { XtNuseBottom,         (XtArgVal) True },
                };

static	Arg
		drawingPaneArgs[] = {
			{ XtNwidth,			(XtArgVal) 1000 },
			{ XtNheight,		(XtArgVal) 1000 },
			{ XtNkeyCallback,(XtArgVal) drawingPanekeysCallbacks },
			{ XtNbutton1Callback,(XtArgVal) drawingPaneButton1DownCallbacks },
			{ XtNrelease1Callback,(XtArgVal) drawingPaneButton1UpCallbacks },
			{ XtNbutton2Callback,(XtArgVal) drawingPaneButton2DownCallbacks },
			{ XtNrelease2Callback,(XtArgVal) drawingPaneButton2UpCallbacks },
			{ XtNbutton3Callback,(XtArgVal) drawingPaneButton3DownCallbacks },
			{ XtNrelease3Callback,(XtArgVal) drawingPaneButton3UpCallbacks },
			{ XtNmotion1Callback,(XtArgVal) drawingPaneMotion1Callbacks },
			{ XtNmotion2Callback,(XtArgVal) drawingPaneMotion2Callbacks },
			{ XtNmotion3Callback,(XtArgVal) drawingPaneMotion3Callbacks },
		};
/* error msgs BOX Arg */
static  Arg
                msgNameLabelArgs[] = {
                        { XtNlabel,                     (XtArgVal) "-------" },
                        { XtNborderWidth,       (XtArgVal) 0 },
                };
static  Arg
                msg1NameLabelArgs[] = {
                        { XtNlabel,                     (XtArgVal) "     " },
                        { XtNborderWidth,       (XtArgVal) 0 },
                };


/* old one */
static  Arg
                errorNameTextArgs[] = {
                        { XtNeditType,          (XtArgVal) XawtextRead },
                        { XtNtextOptions,       (XtArgVal) XawtextResizeHeight },
                        { XtNlength,            (XtArgVal) MAXERROR },
                        { XtNwidth,                     (XtArgVal) 700 },
                        { XtNmin,                       (XtArgVal) 50 }, };

static  Arg
                nullModeButtonArgs[] = {
                        { XtNborderWidth,       (XtArgVal) 0 },
                        { XtNcallback,          (XtArgVal) nullModeButtonCallbacks } };

static  Arg
                insertModeButtonArgs[] = {
                        { XtNborderWidth,       (XtArgVal) 0 },
                        { XtNcallback,          (XtArgVal) insertModeButtonCallbacks } };

static  Arg
                deleteModeButtonArgs[] = {
                        { XtNborderWidth,       (XtArgVal) 0 },
                        { XtNcallback,          (XtArgVal) deleteModeButtonCallbacks } };

static  Arg
                moveModeButtonArgs[] = {
                        { XtNborderWidth,       (XtArgVal) 0 },
                        { XtNcallback,          (XtArgVal) moveModeButtonCallbacks } };