/* $XFree86$ */
/*
 * Copyright 2002 Red Hat Inc., Durham, North Carolina.
 *
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation on the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/*
 * Authors:
 *   Rickard E. (Rik) Faith <faith@redhat.com>
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <X11/Xaw/Form.h>
#include <X11/Xaw/Box.h>
/* #include <X11/Xaw/Paned.h> */
#include <X11/Xaw/Command.h>
#include <X11/Xaw/SimpleMenu.h>
#include <X11/Xaw/SmeBSB.h>
#include <X11/Xaw/MenuButton.h>
#include <X11/Xaw/Viewport.h>
#include <X11/Xaw/Dialog.h>
#include <X11/keysym.h>
#include <X11/Xmu/SysUtil.h>
#include "Canvas.h"

#include "dmxparse.h"
#include "dmxprint.h"
#include "dmxlog.h"

extern int                 yyparse(void);
extern FILE                *yyin;

#define DMX_INFO "xdmxconfig v0.9\nCopyright 2002 Red Hat Inc.\n$Id: xdmxconfig.c,v 1.4 2003/12/09 00:31:01 faith Exp $"

#define DMX_MAIN_WIDTH    800
#define DMX_MAIN_HEIGHT   600
#define DMX_DATA_WIDTH    200
#define DMX_DATA_HEIGHT   200
#define DMX_CANVAS_WIDTH  400
#define DMX_CANVAS_HEIGHT 500

DMXConfigEntryPtr          dmxConfigEntry;
static DMXConfigVirtualPtr dmxConfigCurrent, dmxConfigNewVirtual;
static DMXConfigDisplayPtr dmxConfigCurrentDisplay, dmxConfigNewDisplay;
static int                 dmxConfigGrabbed, dmxConfigGrabbedFine;
static int                 dmxConfigGrabbedX, dmxConfigGrabbedY;
static char                *dmxConfigFilename;
static GC                  dmxConfigGC, dmxConfigGCRev, dmxConfigGCHL;
static int                 dmxConfigGCInit = 0;
static Dimension           dmxConfigWidgetWidth, dmxConfigWidgetHeight;
static Dimension           dmxConfigWallWidth, dmxConfigWallHeight;
static double              dmxConfigScaleX, dmxConfigScaleY;
static int                 dmxConfigNotSaved;
static enum {
    dmxConfigStateOpen,
    dmxConfigStateSave
}                          dmxConfigState;

/* Global widgets */
static Widget              canvas;
static Widget              cnamebox, cdimbox;
static Widget              openpopup, opendialog;
static Widget              namebox, dimbox, rtbox, origbox;
static Widget              okbutton, buttonpopup;
static Widget              ecbutton, dcbutton;
static Widget              ndbutton0, ndbutton1, edbutton, ddbutton;
static Widget              ecpopup, ecdialog0, ecdialog1;
static Widget              edpopup, eddialog0, eddialog1, eddialog2;
static Widget              aboutpopup, quitpopup;

static void dmxConfigCanvasGCs(void)
{
    Display       *dpy = XtDisplay(canvas);
    Window        win  = XtWindow(canvas);
    XGCValues     gcvals;
    unsigned long mask;
    Colormap      colormap;
    XColor        fg, bg, hl, tmp;
    
    if (dmxConfigGCInit++) return;

    XtVaGetValues(canvas, XtNcolormap, &colormap, NULL);
    XAllocNamedColor(XtDisplay(canvas), colormap, "black", &bg, &tmp);
    XAllocNamedColor(XtDisplay(canvas), colormap, "white", &fg, &tmp);
    XAllocNamedColor(XtDisplay(canvas), colormap, "red",   &hl, &tmp);

    mask = (GCFunction | GCPlaneMask | GCClipMask | GCForeground |
            GCBackground | GCLineWidth | GCLineStyle | GCCapStyle |
            GCFillStyle);

                                /* FIXME: copy this from widget */
    gcvals.function   = GXcopy;
    gcvals.plane_mask = AllPlanes;
    gcvals.clip_mask  = None;
    gcvals.foreground = fg.pixel;
    gcvals.background = bg.pixel;
    gcvals.line_width = 0;
    gcvals.line_style = LineSolid;
    gcvals.cap_style  = CapNotLast;
    gcvals.fill_style = FillSolid;
    
    dmxConfigGC       = XCreateGC(dpy, win, mask, &gcvals);
    gcvals.foreground = hl.pixel;
    dmxConfigGCHL     = XCreateGC(dpy, win, mask, &gcvals);
    gcvals.foreground = bg.pixel;
    gcvals.background = fg.pixel;
    dmxConfigGCRev    = XCreateGC(dpy, win, mask, &gcvals);
}

static void dmxConfigGetDims(int *maxWidth, int *maxHeight)
{
    DMXConfigSubPtr   pt;
    DMXConfigEntryPtr e;
    
    *maxWidth = dmxConfigWallWidth  = 0;
    *maxWidth = dmxConfigWallHeight = 0;
    if (!dmxConfigCurrent) return;
    
    dmxConfigWallWidth  = dmxConfigCurrent->width;
    dmxConfigWallHeight = dmxConfigCurrent->height;
    if (!dmxConfigWallWidth || !dmxConfigWallHeight) {
        for (pt = dmxConfigCurrent->subentry; pt; pt = pt->next) {
            if (pt->type == dmxConfigDisplay) {
                int x = pt->display->scrnWidth  + pt->display->rootXOrigin;
                int y = pt->display->scrnHeight + pt->display->rootYOrigin;
                if (x > dmxConfigWallWidth)  dmxConfigWallWidth  = x;
                if (y > dmxConfigWallHeight) dmxConfigWallHeight = y;
            }
        }
    }
                                /* Compute maximums */
    *maxWidth = *maxHeight = 0;
    for (e = dmxConfigEntry; e; e = e->next) {
        if (e->type != dmxConfigVirtual) continue;
        for (pt = e->virtual->subentry; pt; pt = pt->next) {
            if (pt->type == dmxConfigDisplay) {
                int x = pt->display->scrnWidth  + pt->display->rootXOrigin;
                int y = pt->display->scrnHeight + pt->display->rootYOrigin;
                if (x > *maxWidth)  *maxWidth  = x;
                if (y > *maxHeight) *maxHeight = y;
            }
        }
    }
    if (dmxConfigWallWidth  > *maxWidth)  *maxWidth  = dmxConfigWallWidth;
    if (dmxConfigWallHeight > *maxHeight) *maxHeight = dmxConfigWallHeight;
}

static int scalex(int x)   { return (int)((x * dmxConfigScaleX) + .5); }
static int scaley(int y)   { return (int)((y * dmxConfigScaleY) + .5); }
static int unscalex(int x) { return (int)((x / dmxConfigScaleX) + .5); }
static int unscaley(int y) { return (int)((y / dmxConfigScaleY) + .5); }

static void dmxConfigDataUpdate(void)
{
                                /* FIXME: could result in buffer overflows */
    char       cnambuf[512];
    char       cdimbuf[128];
    char       nambuf[512];
    char       dimbuf[128];
    char       rtbuf[128];
    char       offbuf[128];
    const char *name;

    if (!dmxConfigCurrent) {
        XtVaSetValues(cnamebox,   XtNlabel, "", XtNsensitive, False, NULL);
        XtVaSetValues(cdimbox,    XtNlabel, "", XtNsensitive, False, NULL);
        XtVaSetValues(ecbutton,                 XtNsensitive, False, NULL);
        XtVaSetValues(dcbutton,                 XtNsensitive, False, NULL);
        XtVaSetValues(ndbutton0,                XtNsensitive, False, NULL);
        XtVaSetValues(ndbutton1,                XtNsensitive, False, NULL);
    } else {
        name = dmxConfigCurrent->name;
        XmuSnprintf(cnambuf, sizeof(cnambuf), "%s", name ? name : "");
	XmuSnprintf(cdimbuf, sizeof(cdimbuf), "%dx%d",
                    dmxConfigWallWidth, dmxConfigWallHeight);
        XtVaSetValues(cnamebox,   XtNlabel, cnambuf, XtNsensitive, True, NULL);
        XtVaSetValues(cdimbox,    XtNlabel, cdimbuf, XtNsensitive, True, NULL);
        XtVaSetValues(ecbutton,                      XtNsensitive, True, NULL);
        XtVaSetValues(dcbutton,                      XtNsensitive, True, NULL);
        XtVaSetValues(ndbutton0,                     XtNsensitive, True, NULL);
        XtVaSetValues(ndbutton1,                     XtNsensitive, True, NULL);
    }
    
    if (!dmxConfigCurrentDisplay) {
        XtVaSetValues(namebox, XtNlabel, "", XtNsensitive, False, NULL);
        XtVaSetValues(dimbox,  XtNlabel, "", XtNsensitive, False, NULL);
        XtVaSetValues(rtbox,   XtNlabel, "", XtNsensitive, False, NULL);
        XtVaSetValues(origbox, XtNlabel, "", XtNsensitive, False, NULL);
        XtVaSetValues(edbutton,              XtNsensitive, False, NULL);
        XtVaSetValues(ddbutton,              XtNsensitive, False, NULL);
    } else {
        name = dmxConfigCurrentDisplay->name;
        XmuSnprintf(nambuf, sizeof(nambuf), "%s", name ? name : "");
        XmuSnprintf(dimbuf, sizeof(dimbuf), "%dx%d%c%d%c%d",
                    dmxConfigCurrentDisplay->scrnWidth,
                    dmxConfigCurrentDisplay->scrnHeight,
                    dmxConfigCurrentDisplay->scrnXSign < 0 ? '-' : '+',
                    dmxConfigCurrentDisplay->scrnX,
                    dmxConfigCurrentDisplay->scrnYSign < 0 ? '-' : '+',
                    dmxConfigCurrentDisplay->scrnY);
        XmuSnprintf(rtbuf, sizeof(dimbuf), "%dx%d%c%d%c%d",
                    dmxConfigCurrentDisplay->rootWidth,
                    dmxConfigCurrentDisplay->rootHeight,
                    dmxConfigCurrentDisplay->rootXSign < 0 ? '-' : '+',
                    dmxConfigCurrentDisplay->rootX,
                    dmxConfigCurrentDisplay->rootYSign < 0 ? '-' : '+',
                    dmxConfigCurrentDisplay->rootY);
        XmuSnprintf(offbuf, sizeof(offbuf), "@%dx%d",
                    dmxConfigCurrentDisplay->rootXOrigin,
                    dmxConfigCurrentDisplay->rootYOrigin);
        XtVaSetValues(namebox, XtNlabel, nambuf, XtNsensitive, True, NULL);
        XtVaSetValues(dimbox,  XtNlabel, dimbuf, XtNsensitive, True, NULL);
        XtVaSetValues(rtbox,   XtNlabel, rtbuf,  XtNsensitive, True, NULL);
        XtVaSetValues(origbox, XtNlabel, offbuf, XtNsensitive, True, NULL);
        XtVaSetValues(edbutton,                  XtNsensitive, True, NULL);
        XtVaSetValues(ddbutton,                  XtNsensitive, True, NULL);
    }
}

static void dmxConfigCanvasUpdate(void)
{
    DMXConfigSubPtr pt;
    Display         *dpy     = XtDisplay(canvas);
    Window          win      = XtWindow(canvas);
    GContext        gcontext = XGContextFromGC(dmxConfigGC);
    XFontStruct     *fs;
    int             w, h;

    XFillRectangle(dpy, win, dmxConfigGCRev,
                   0, 0, dmxConfigWidgetWidth, dmxConfigWidgetHeight);
    dmxConfigDataUpdate();
    if (!dmxConfigCurrent) return;

    w = scalex(dmxConfigWallWidth);
    h = scaley(dmxConfigWallHeight);
    if (w > dmxConfigWidgetWidth - 1)  w = dmxConfigWidgetWidth - 1;
    if (h > dmxConfigWidgetHeight - 1) h = dmxConfigWidgetHeight - 1;
    XDrawRectangle(dpy, win, dmxConfigGC, 0, 0, w, h);
    fs = XQueryFont(dpy, gcontext);
    for (pt = dmxConfigCurrent->subentry; pt; pt = pt->next) {
        int x, y, len;
        int xo = 3, yo = fs->ascent + fs->descent + 2;
        GC  gc;

        if (pt->type != dmxConfigDisplay) continue;
        gc  = (pt->display == dmxConfigCurrentDisplay
               ? dmxConfigGCHL
               : dmxConfigGC);
        x   = scalex(pt->display->rootXOrigin);
        y   = scaley(pt->display->rootYOrigin);
        w   = scalex(pt->display->scrnWidth);
        h   = scaley(pt->display->scrnHeight);
        len = pt->display->name ? strlen(pt->display->name) : 0;
        if (x > dmxConfigWidgetWidth - 1)  x = dmxConfigWidgetWidth - 1;
        if (y > dmxConfigWidgetHeight - 1) y = dmxConfigWidgetHeight - 1;
        XDrawRectangle(dpy, win, gc, x, y, w, h);
        if (fs && len) {
            while (len && XTextWidth(fs, pt->display->name, len) >= w - 2 * xo)
                --len;
            if (len)
                XDrawString(dpy, win, gc, x+xo, y+yo, pt->display->name, len);
        }
    }
    if (fs) XFreeFontInfo(NULL, fs, 0);
}

static void dmxConfigCanvasDraw(Region region)
{
    Display *dpy = XtDisplay(canvas);
    int     maxWidth, maxHeight;
    
    dmxConfigCanvasGCs();
    if (region) {
        XSetRegion(dpy, dmxConfigGC,    region);
        XSetRegion(dpy, dmxConfigGCRev, region);
        XSetRegion(dpy, dmxConfigGCHL,  region);
    }
    XtVaGetValues(canvas,
                  XtNwidth, &dmxConfigWidgetWidth,
                  XtNheight, &dmxConfigWidgetHeight,
                  NULL);
    dmxConfigGetDims(&maxWidth, &maxHeight);
    dmxConfigScaleX = (double)dmxConfigWidgetWidth  / maxWidth;
    dmxConfigScaleY = (double)dmxConfigWidgetHeight / maxHeight;
    if (dmxConfigScaleX > dmxConfigScaleY) dmxConfigScaleX = dmxConfigScaleY;
    if (dmxConfigScaleY > dmxConfigScaleX) dmxConfigScaleY = dmxConfigScaleX;
    dmxConfigCanvasUpdate();
    if (region) {
        XSetClipMask(dpy, dmxConfigGC,    None);
        XSetClipMask(dpy, dmxConfigGCRev, None);
        XSetClipMask(dpy, dmxConfigGCHL,  None);
    }
}

static void dmxConfigSelectCallback(Widget w, XtPointer closure,
                                    XtPointer callData)
{
    dmxConfigCurrent = closure;
    dmxConfigVirtualPrint(stdout, dmxConfigCurrent);
    dmxConfigCanvasDraw(NULL);
}

static void dmxConfigCopystrings(void)
{
    DMXConfigEntryPtr pt;
    DMXConfigSubPtr   sub;

    if (!dmxConfigCurrent) return;

                                /* FIXME: this is all a per-config file
                                 * memory leak */
    for (pt = dmxConfigEntry; pt; pt = pt->next) {
        if (pt->type == dmxConfigVirtual) {
            pt->virtual->name = XtNewString(pt->virtual->name
                                            ? pt->virtual->name
                                            : "");

            for (sub = pt->virtual->subentry; sub; sub = sub->next) {
                if (sub->type != dmxConfigDisplay) continue;
                sub->display->name = XtNewString(sub->display->name
                                                 ? sub->display->name
                                                 : "");
            }
        }
    }
}

static void dmxConfigGetValueString(char **d, Widget w)
{
    const char *tmp = XawDialogGetValueString(w);
    if (*d) XtFree(*d);
    *d = XtNewString(tmp);
}

static void dmxConfigSetupCnamemenu(void)
{
    static Widget     cnamemenu = NULL;
    Widget            w;
    DMXConfigEntryPtr pt;

    if (cnamemenu) XtDestroyWidget(cnamemenu);
    cnamemenu = NULL;

    if (!dmxConfigCurrent) return;
    cnamemenu = XtVaCreatePopupShell("cnamemenu", simpleMenuWidgetClass,
                                     cnamebox,
                                     NULL);
    
    for (pt = dmxConfigEntry; pt; pt = pt->next) {
        if (pt->type == dmxConfigVirtual) {
            w = XtVaCreateManagedWidget(pt->virtual->name
                                        ? pt->virtual->name
                                        : "",
                                        smeBSBObjectClass, cnamemenu,
                                        NULL);
            XtAddCallback(w, XtNcallback,
                          dmxConfigSelectCallback, pt->virtual);
        }
    }
}

static void dmxConfigReadFile(void)
{
    FILE              *str;
    DMXConfigEntryPtr pt;

    if (!(str = fopen(dmxConfigFilename, "r"))) {
        dmxLog(dmxWarning, "Unable to read configuration file %s\n",
               dmxConfigFilename);
        return;
    }
    yyin    = str;
    yydebug = 0;
    yyparse();
    fclose(str);
    dmxLog(dmxInfo, "Read configuration file %s\n", dmxConfigFilename);

    for (pt = dmxConfigEntry; pt; pt = pt->next) {
        if (pt->type == dmxConfigVirtual) {
            dmxConfigCurrent = pt->virtual;
            break;
        }
    }

    
    
    if (XtIsRealized(canvas)) {
        dmxConfigCopystrings();
        dmxConfigSetupCnamemenu();
        dmxConfigCanvasDraw(NULL);
    }
    dmxConfigVirtualPrint(stdout, dmxConfigCurrent);
}

static void dmxConfigWriteFile(void)
{
    FILE              *str;

    if (!(str = fopen(dmxConfigFilename, "w"))) {
        dmxLog(dmxWarning, "Unable to write configuration file %s\n",
               dmxConfigFilename);
        return;
    }
    dmxConfigPrint(str, dmxConfigEntry);
    fclose(str);
}

static DMXConfigDisplayPtr dmxConfigFindDisplay(int x, int y)
{
    DMXConfigSubPtr pt;

    if (!dmxConfigCurrent) return NULL;
    for (pt = dmxConfigCurrent->subentry; pt; pt = pt->next) {
        DMXConfigDisplayPtr d = pt->display;
        if (pt->type != dmxConfigDisplay) continue;
        if (x >= scalex(d->rootXOrigin)
            && x <= scalex(d->rootXOrigin + d->scrnWidth)
            && y >= scaley(d->rootYOrigin)
            && y <= scaley(d->rootYOrigin + d->scrnHeight)) return d;
    }
    return NULL;
}

static void dmxConfigSetPopupPosition(Widget popup)
{
    Position     x, y;
    Window       t1, t2;
    int          root_x, root_y;
    int          temp_x, temp_y;
    unsigned int temp;


    XtRealizeWidget(popup);
    if (!XQueryPointer(XtDisplay(popup), XtWindow(popup), &t1, &t2,
                       &root_x, &root_y, &temp_x, &temp_y, &temp))
        root_x = root_y = 0;

    x = root_x - 5;
    y = root_y - 5;
    XtVaSetValues(popup, XtNx, x, XtNy, y, NULL);
}

static void dmxConfigPlaceMenu(Widget w, XEvent *event,
                               String *params, Cardinal *num_params)
{
    dmxConfigSetPopupPosition(buttonpopup);
}

static void dmxConfigMove(int deltaX, int deltaY)
{
    dmxConfigCurrentDisplay->rootXOrigin += deltaX;
    dmxConfigCurrentDisplay->rootYOrigin += deltaY;
    if (dmxConfigCurrentDisplay->rootXOrigin < 0)
        dmxConfigCurrentDisplay->rootXOrigin = 0;
    if (dmxConfigCurrentDisplay->rootYOrigin < 0)
        dmxConfigCurrentDisplay->rootYOrigin = 0;
    if (dmxConfigWallWidth && dmxConfigWallHeight) {
        if (dmxConfigCurrentDisplay->rootXOrigin >= dmxConfigWallWidth)
            dmxConfigCurrentDisplay->rootXOrigin = dmxConfigWallWidth - 1;
        if (dmxConfigCurrentDisplay->rootYOrigin >= dmxConfigWallHeight)
            dmxConfigCurrentDisplay->rootYOrigin = dmxConfigWallHeight - 1;
    }
    dmxConfigCanvasUpdate();
    dmxConfigNotSaved = 1;
}

static void dmxConfigCanvasInput(Widget w, XtPointer closure,
                                 XtPointer callData)
{
    XEvent              *e      = (XEvent *)callData;
    DMXConfigDisplayPtr display = NULL;

    switch (e->type) {
    case ButtonPress:
        if (e->xbutton.button == Button1) {
            dmxConfigGrabbed     = 1;
            dmxConfigGrabbedFine = 0;
            dmxConfigGrabbedX    = e->xbutton.x;
            dmxConfigGrabbedY    = e->xbutton.y;
        }
        if (e->xbutton.button == Button2) {
            dmxConfigGrabbed     = 1;
            dmxConfigGrabbedFine = 1;
            dmxConfigGrabbedX    = e->xbutton.x;
            dmxConfigGrabbedY    = e->xbutton.y;
        }
        break;
    case ButtonRelease:
        if (e->xbutton.button == Button1) dmxConfigGrabbed = 0;
        if (e->xbutton.button == Button2) dmxConfigGrabbed = 0;
        break;
    case MotionNotify:
        if (dmxConfigGrabbed && dmxConfigCurrentDisplay) {
            int deltaX = e->xmotion.x - dmxConfigGrabbedX;
            int deltaY = e->xmotion.y - dmxConfigGrabbedY;
            dmxConfigMove(dmxConfigGrabbedFine ? deltaX : unscalex(deltaX),
                          dmxConfigGrabbedFine ? deltaY : unscaley(deltaY));
            dmxConfigGrabbedX = e->xmotion.x;
            dmxConfigGrabbedY = e->xmotion.y;
        } else {
            display = dmxConfigFindDisplay(e->xmotion.x, e->xmotion.y);
            if (display != dmxConfigCurrentDisplay) {
                dmxConfigCurrentDisplay = display;
                dmxConfigCanvasUpdate();
            }
        }
        break;
    case KeyPress:
        switch (XLookupKeysym(&e->xkey, 0)) {
        case XK_Right: dmxConfigMove(1,0);  break;
        case XK_Left:  dmxConfigMove(-1,0); break;
        case XK_Down:  dmxConfigMove(0,1);  break;
        case XK_Up:    dmxConfigMove(0,-1); break;
        }
        break;
    }
}

static void dmxConfigCanvasResize(Widget w, XtPointer closure,
                                  XtPointer callData)
{
    dmxConfigCanvasDraw(NULL);
}

static void dmxConfigCanvasExpose(Widget w, XtPointer closure,
                                  XtPointer callData)
{
    CanvasExposeDataPtr data = (CanvasExposeDataPtr)callData;

    dmxConfigCanvasDraw(data->region);
}

static void dmxConfigOpenCallback(Widget w, XtPointer closure,
                                  XtPointer callData)
{
    dmxConfigState = dmxConfigStateOpen;
    XtVaSetValues(okbutton, XtNlabel, "Open", NULL);
    dmxConfigSetPopupPosition(openpopup);
    XtPopup(openpopup, XtGrabExclusive);
}

static void dmxConfigSaveCallback(Widget w, XtPointer closure,
                                  XtPointer callData)
{
    dmxConfigState = dmxConfigStateSave;
    XtVaSetValues(okbutton, XtNlabel, "Save", NULL);
    dmxConfigSetPopupPosition(openpopup);
    XtPopup(openpopup, XtGrabExclusive);
}

static void dmxConfigOkCallback(Widget w, XtPointer closure,
                                XtPointer callData)
{
    dmxConfigGetValueString(&dmxConfigFilename, opendialog);
    XtPopdown(openpopup);
    if (dmxConfigState == dmxConfigStateOpen) dmxConfigReadFile();
    else                                      dmxConfigWriteFile();
    dmxConfigNotSaved = 0;
}

static void dmxConfigCanCallback(Widget w, XtPointer closure,
                                 XtPointer callData)
{
    XtPopdown(openpopup);
}

static void dmxConfigECCallback(Widget w, XtPointer closure,
                                XtPointer callData)
{
    char buf[256];              /* RATS: Only used in XmuSnprintf */
    
    if (!dmxConfigCurrent) return;
    dmxConfigSetPopupPosition(ecpopup);
    XtVaSetValues(ecdialog0, XtNvalue,
                  dmxConfigCurrent->name ? dmxConfigCurrent->name : "",
                  NULL);
    XmuSnprintf(buf, sizeof(buf), "%dx%d",
                dmxConfigCurrent->width, dmxConfigCurrent->height);
    XtVaSetValues(ecdialog1, XtNvalue, buf, NULL);
    XtPopup(ecpopup, XtGrabExclusive);
}

static void dmxConfigNCCallback(Widget w, XtPointer closure,
                                XtPointer callData)
{
    int width = 1280*2, height = 1024*2;

    if (dmxConfigCurrent) {
        width  = dmxConfigCurrent->width;
        height = dmxConfigCurrent->height;
    }

    dmxConfigCurrent         = dmxConfigCreateVirtual(NULL, NULL, NULL,
                                                      NULL, NULL, NULL);
    dmxConfigNewVirtual      = dmxConfigCurrent;
    dmxConfigCurrent->width  = width;
    dmxConfigCurrent->height = height;
    dmxConfigEntry = dmxConfigAddEntry(dmxConfigEntry, dmxConfigVirtual, NULL,
                                       dmxConfigCurrent);
    dmxConfigECCallback(w, closure, callData);
}

static void dmxConfigDCCallback(Widget w, XtPointer closure,
                                XtPointer callData)
{
    DMXConfigEntryPtr pt;

    if (!dmxConfigEntry) return;
    if (dmxConfigEntry
        && dmxConfigEntry->type == dmxConfigVirtual
        && dmxConfigEntry->virtual == dmxConfigCurrent) {
        dmxConfigEntry = dmxConfigEntry->next;
    } else {
        for (pt = dmxConfigEntry; pt && pt->next; pt = pt->next)
            if (pt->next->type == dmxConfigVirtual
                && pt->next->virtual == dmxConfigCurrent) {
                pt->next = pt->next->next;
                break;
            }
    }
    dmxConfigFreeVirtual(dmxConfigCurrent);
    dmxConfigCurrent        = NULL;
    dmxConfigCurrentDisplay = NULL;

                                /* Make the first entry current */
    for (pt = dmxConfigEntry; pt; pt = pt->next) {
        if (pt->type == dmxConfigVirtual) {
            dmxConfigCurrent = pt->virtual;
            break;
        }
    }

    dmxConfigSetupCnamemenu();
    dmxConfigCanvasDraw(NULL);
}

static void dmxConfigECOkCallback(Widget w, XtPointer closure,
                                  XtPointer callData)
{
    const char *value;
    char       *endpt;

    dmxConfigGetValueString((char **)&dmxConfigCurrent->name, ecdialog0);
    value                    = XawDialogGetValueString(ecdialog1);
    dmxConfigCurrent->width  = strtol(value, &endpt, 10);
    dmxConfigCurrent->height = strtol(endpt+1, NULL, 10);
    XtPopdown(ecpopup);
    dmxConfigCurrentDisplay = NULL;
    dmxConfigNewVirtual     = NULL;
    dmxConfigSetupCnamemenu();
    dmxConfigCanvasDraw(NULL);
    dmxConfigNotSaved = 1;
}

static void dmxConfigECCanCallback(Widget w, XtPointer closure,
                                   XtPointer callData)
{
    if (dmxConfigNewVirtual) dmxConfigDCCallback(w, closure, callData);
    dmxConfigNewVirtual     = NULL;
    XtPopdown(ecpopup);
}

static void dmxConfigEDCallback(Widget w, XtPointer closure,
                                XtPointer callData)
{
    char buf[256];              /* RATS: Only used in XmuSnprintf */
    
    if (!dmxConfigCurrent || !dmxConfigCurrentDisplay) return;
    dmxConfigSetPopupPosition(edpopup);
    XtVaSetValues(eddialog0, XtNvalue,
                  dmxConfigCurrentDisplay->name
                  ? dmxConfigCurrentDisplay->name
                  : "",
                  NULL);
    XmuSnprintf(buf, sizeof(buf), "%dx%d%c%d%c%d",
                dmxConfigCurrentDisplay->scrnWidth,
                dmxConfigCurrentDisplay->scrnHeight,
                dmxConfigCurrentDisplay->scrnXSign < 0 ? '-' : '+',
                dmxConfigCurrentDisplay->scrnY,
                dmxConfigCurrentDisplay->scrnYSign < 0 ? '-' : '+',
                dmxConfigCurrentDisplay->scrnY);
    XtVaSetValues(eddialog1, XtNvalue, buf, NULL);
    XmuSnprintf(buf, sizeof(buf), "@%dx%d",
                dmxConfigCurrentDisplay->rootXOrigin,
                dmxConfigCurrentDisplay->rootYOrigin);
    XtVaSetValues(eddialog2, XtNvalue, buf, NULL);
    XtPopup(edpopup, XtGrabExclusive);
}

static void dmxConfigNDCallback(Widget w, XtPointer closure,
                                XtPointer callData)
{
    int width = 1280, height = 1024;

    if (!dmxConfigCurrent) return;
    if (dmxConfigCurrentDisplay) {
        width  = dmxConfigCurrentDisplay->scrnWidth;
        height = dmxConfigCurrentDisplay->scrnHeight;
    }
    dmxConfigCurrentDisplay = dmxConfigCreateDisplay(NULL, NULL, NULL,
                                                     NULL, NULL);
    dmxConfigNewDisplay     = dmxConfigCurrentDisplay;
    dmxConfigCurrentDisplay->scrnWidth  = width;
    dmxConfigCurrentDisplay->scrnHeight = height;
    
    dmxConfigCurrent->subentry
        = dmxConfigAddSub(dmxConfigCurrent->subentry,
                          dmxConfigSubDisplay(dmxConfigCurrentDisplay));
    dmxConfigEDCallback(w, closure, callData);
}

static void dmxConfigDDCallback(Widget w, XtPointer closure,
                                XtPointer callData)
{
    DMXConfigSubPtr pt;

    if (!dmxConfigCurrent || !dmxConfigCurrentDisplay) return;
                                /* First */
    if (dmxConfigCurrent->subentry
        && dmxConfigCurrent->subentry->type == dmxConfigDisplay
        && dmxConfigCurrent->subentry->display == dmxConfigCurrentDisplay) {
        dmxConfigCurrent->subentry = dmxConfigCurrent->subentry->next;
    } else {
        for (pt = dmxConfigCurrent->subentry; pt && pt->next; pt = pt->next)
            if (pt->next->type == dmxConfigDisplay
                && pt->next->display == dmxConfigCurrentDisplay) {
                pt->next = pt->next->next;
                break;
            }
    }
    dmxConfigFreeDisplay(dmxConfigCurrentDisplay);
    dmxConfigCurrentDisplay = NULL;
    dmxConfigSetupCnamemenu();
    dmxConfigCanvasDraw(NULL);
}

static void dmxConfigAboutCallback(Widget w, XtPointer closure,
                                   XtPointer callData)
{
    dmxConfigSetPopupPosition(aboutpopup);
    XtPopup(aboutpopup, XtGrabExclusive);
}

static void dmxConfigAboutOkCallback(Widget w, XtPointer closure,
                                     XtPointer CallData)
{
    XtPopdown(aboutpopup);
}

static void dmxConfigQuitCallback(Widget w, XtPointer closure,
                                  XtPointer callData)
{
    if (dmxConfigNotSaved) {
        dmxConfigSetPopupPosition(quitpopup);
        XtPopup(quitpopup, XtGrabExclusive);
        return;
    }
    exit(0);
}

static void dmxConfigQuitOkCallback(Widget w, XtPointer closure,
                                    XtPointer callData)
{
    XtPopdown(quitpopup);
    exit(0);
}

static void dmxConfigQuitCanCallback(Widget w, XtPointer closure,
                                     XtPointer callData)
{
    XtPopdown(quitpopup);
}

static void dmxConfigEDOkCallback(Widget w, XtPointer closure,
                                  XtPointer callData)
{
    char *value;
    char *endpt;
    
    dmxConfigNewDisplay = NULL;
    dmxConfigGetValueString((char **)&dmxConfigCurrentDisplay->name,
                            eddialog0);
    value                           = XawDialogGetValueString(eddialog1);
    if (*value == '-' || *value == '+') {
        dmxConfigCurrentDisplay->scrnWidth  = 0;
        dmxConfigCurrentDisplay->scrnHeight = 0;
        endpt                               = value;
    } else {
        dmxConfigCurrentDisplay->scrnWidth  = strtol(value, &endpt, 10);
        dmxConfigCurrentDisplay->scrnHeight = strtol(endpt+1, &endpt, 10);
    }
    if (*endpt) {
        dmxConfigCurrentDisplay->scrnXSign  = (*endpt == '-') ? -1 : 1;
        dmxConfigCurrentDisplay->scrnX      = strtol(endpt+1, &endpt, 10);
        dmxConfigCurrentDisplay->scrnYSign  = (*endpt == '-') ? -1 : 1;
        dmxConfigCurrentDisplay->scrnY      = strtol(endpt+1, NULL, 10);
    }
    if (dmxConfigCurrentDisplay->scrnX < 0)
        dmxConfigCurrentDisplay->scrnX = -dmxConfigCurrentDisplay->scrnX;
    if (dmxConfigCurrentDisplay->scrnY < 0)
        dmxConfigCurrentDisplay->scrnY = -dmxConfigCurrentDisplay->scrnY;
    value                                 = XawDialogGetValueString(eddialog2);
    dmxConfigCurrentDisplay->rootXOrigin  = strtol(value+1, &endpt, 10);
    dmxConfigCurrentDisplay->rootYOrigin  = strtol(endpt+1, NULL, 10);
    XtPopdown(edpopup);
    dmxConfigSetupCnamemenu();
    dmxConfigCanvasDraw(NULL);
    dmxConfigNotSaved = 1;
}

static void dmxConfigEDCanCallback(Widget w, XtPointer closure,
                                   XtPointer callData)
{
    if (dmxConfigNewDisplay) dmxConfigDDCallback(w, closure, callData);
    dmxConfigNewDisplay = NULL;
    XtPopdown(edpopup);
}

static void dmxConfigOkAction(Widget w, XEvent *event,
                              String *params, Cardinal *num_params)
{
    Widget p = XtParent(w);
    Widget t;

    if (p == opendialog) dmxConfigOkCallback(w, NULL, NULL);

    if (p == ecdialog0) {
        t = XtNameToWidget(ecdialog1, "value");
        XWarpPointer(XtDisplay(t), None, XtWindow(t), 0, 0, 0, 0, 0, 10);
    }
    if (p == ecdialog1) dmxConfigECOkCallback(w, NULL, NULL);

    if (p == eddialog0) {
        t = XtNameToWidget(eddialog1, "value");
        XWarpPointer(XtDisplay(t), None, XtWindow(t), 0, 0, 0, 0, 0, 10);
    }
    if (p == eddialog1) {
        t = XtNameToWidget(eddialog2, "value");
        XWarpPointer(XtDisplay(t), None, XtWindow(t), 0, 0, 0, 0, 0, 10);
    }
    if (p == eddialog2) dmxConfigEDOkCallback(w, NULL, NULL);
}

int main(int argc, char **argv)
{
    XtAppContext   appContext;
    Widget         toplevel;
    Widget         parent, menubox, bottombox, databox, canvasbox;
    Widget         filebutton, helpbutton;
    Widget         filemenu, openbutton, savebutton, quitbutton;
    Widget         helpmenu, aboutbutton, aboutbox, abouttext, aboutok;
    Widget         quitbox, quittext, quitok, quitcan;
    Widget         ncbutton;
    Widget         canbutton;
    Widget         ecbox, ecokbutton, eccanbutton;
    Widget         edbox, edokbutton;
    Widget         edcanbutton;
                                /* FIXME: add meta-i, ctrl,meta-z,v? */
    const char     *opentrans = "<Key>Return: openOk()\n\
                                 <Key>Linefeed: openOk()\n\
                                 Ctrl<Key>M: openOk()\n\
                                 Ctrl<Key>J: openOk()\n\
                                 Ctrl<Key>O: noop()\n\
                                 Ctrl<Key>N: noop()\n\
                                 Ctrl<Key>P: noop()";
    const char     *canvastrans =
        "<Btn3Down>: placeMenu() XtMenuPopup(buttonpopup)";
    XtActionsRec   actiontable[] = {
        { "openOk",        dmxConfigOkAction },
        { "placeMenu",     dmxConfigPlaceMenu },
        { "noop",          NULL }
    };

    dmxConfigFilename = XtNewString((argc >= 2) ? argv[1] : "");

    toplevel    = XtVaAppInitialize(&appContext, "XDmxconfig",
                                    NULL, 0,
                                    &argc, argv,
                                    NULL,
                                    NULL);

                                /* Main boxes */
    parent      = XtVaCreateManagedWidget("parent", formWidgetClass, toplevel,
                                          XtNorientation, XtorientVertical,
                                          XtNwidth, DMX_MAIN_WIDTH,
                                          XtNheight, DMX_MAIN_HEIGHT,
                                          NULL);
    menubox     = XtVaCreateManagedWidget("menubox", boxWidgetClass, parent,
                                          XtNborderWidth, 0,
                                          XtNorientation, XtorientHorizontal,
                                          XtNtop, XtChainTop,
                                          NULL);
    bottombox   = XtVaCreateManagedWidget("bottombox", formWidgetClass, parent,
                                          XtNborderWidth, 0,
                                          XtNfromVert, menubox,
                                          XtNorientation, XtorientHorizontal,
                                          NULL);
    databox     = XtVaCreateManagedWidget("databox", formWidgetClass,
                                          bottombox,
                                          XtNborderWidth, 0,
                                          XtNhorizDistance, 0,
                                          XtNwidth, DMX_DATA_WIDTH,
                                          XtNheight, DMX_DATA_HEIGHT,
                                          XtNleft, XtChainLeft,
                                          XtNorientation, XtorientVertical,
                                          NULL);

                                /* Data */
    cnamebox    = XtVaCreateManagedWidget("cnamebox", menuButtonWidgetClass,
                                          databox,
                                          XtNtop, XtChainTop,
                                          XtNjustify, XtJustifyLeft,
                                          XtNwidth, DMX_DATA_WIDTH,
                                          XtNlabel, "",
                                          XtNmenuName, "cnamemenu",
                                          NULL);
    cdimbox     = XtVaCreateManagedWidget("cdimbox", labelWidgetClass,
                                          databox,
                                          XtNfromVert, cnamebox,
                                          XtNjustify, XtJustifyLeft,
                                          XtNwidth, DMX_DATA_WIDTH,
                                          XtNlabel, "",
                                          NULL);
    namebox     = XtVaCreateManagedWidget("namebox", labelWidgetClass, databox,
                                          XtNfromVert, cdimbox,
                                          XtNjustify, XtJustifyLeft,
                                          XtNwidth, DMX_DATA_WIDTH,
                                          XtNlabel, "",
                                          NULL);
    dimbox      = XtVaCreateManagedWidget("dimbox", labelWidgetClass,
                                          databox,
                                          XtNfromVert, namebox,
                                          XtNjustify, XtJustifyLeft,
                                          XtNwidth, DMX_DATA_WIDTH,
                                          XtNlabel, "",
                                          NULL);
    rtbox       = XtVaCreateManagedWidget("rtbox", labelWidgetClass,
                                          databox,
                                          XtNfromVert, dimbox,
                                          XtNjustify, XtJustifyLeft,
                                          XtNwidth, DMX_DATA_WIDTH,
                                          XtNlabel, "",
                                          NULL);
    origbox     = XtVaCreateManagedWidget("origbox", labelWidgetClass,
                                          databox,
                                          XtNfromVert, rtbox,
                                          XtNjustify, XtJustifyLeft,
                                          XtNwidth, DMX_DATA_WIDTH,
                                          XtNlabel, "",
                                          NULL);

                                /* Canvas */
    canvasbox   = XtVaCreateManagedWidget("canvasbox", boxWidgetClass,
                                          bottombox,
                                          XtNborderWidth, 0,
                                          XtNwidth, DMX_CANVAS_WIDTH,
                                          XtNheight, DMX_CANVAS_HEIGHT,
                                          XtNfromHoriz, databox,
                                          NULL);

    canvas      = XtVaCreateManagedWidget("canvas", canvasWidgetClass,
                                          canvasbox,
                                          XtNwidth, DMX_CANVAS_WIDTH,
                                          XtNheight, DMX_CANVAS_HEIGHT,
                                          NULL);

    
                                /* Main menu buttons */
    filebutton  = XtVaCreateManagedWidget("File", menuButtonWidgetClass,
                                          menubox,
                                          XtNmenuName, "filemenu",
                                          NULL);
    helpbutton  = XtVaCreateManagedWidget("Help", menuButtonWidgetClass,
                                          menubox,
                                          XtNmenuName, "helpmenu",
                                          NULL);

    
                                /* File submenu buttons */
    filemenu     = XtVaCreatePopupShell("filemenu", simpleMenuWidgetClass,
                                        filebutton, NULL);
    openbutton   = XtVaCreateManagedWidget("Open File", smeBSBObjectClass,
                                           filemenu, NULL);
    savebutton   = XtVaCreateManagedWidget("Save File", smeBSBObjectClass,
                                           filemenu,
                                           NULL);
    ncbutton     = XtVaCreateManagedWidget("New Global", smeBSBObjectClass,
                                           filemenu, NULL);
    ecbutton     = XtVaCreateManagedWidget("Edit Global", smeBSBObjectClass,
                                           filemenu,
                                           NULL);
    dcbutton     = XtVaCreateManagedWidget("Delete Global", smeBSBObjectClass,
                                           filemenu,
                                           NULL);
    ndbutton0    = XtVaCreateManagedWidget("New Display", smeBSBObjectClass,
                                           filemenu,
                                           NULL);
    quitbutton   = XtVaCreateManagedWidget("Quit", smeBSBObjectClass,
                                           filemenu, NULL);

                                /* Help submenu button */
    helpmenu     = XtVaCreatePopupShell("helpmenu", simpleMenuWidgetClass,
                                        helpbutton, NULL);
    aboutbutton  = XtVaCreateManagedWidget("About", smeBSBObjectClass,
                                           helpmenu, NULL);
    
                                /* Open popup */
    openpopup    = XtVaCreatePopupShell("openpopup", transientShellWidgetClass,
                                        toplevel, NULL);
    opendialog   = XtVaCreateManagedWidget("opendialog", dialogWidgetClass,
                                           openpopup,
                                           XtNlabel, "Filename: ",
                                           XtNvalue, dmxConfigFilename,
                                           NULL);
    okbutton     = XtVaCreateManagedWidget("Open", commandWidgetClass,
                                           opendialog, NULL);
    canbutton    = XtVaCreateManagedWidget("Cancel", commandWidgetClass,
                                           opendialog, NULL);

                                /* EC popup */
    ecpopup      = XtVaCreatePopupShell("ecpopup", transientShellWidgetClass,
                                        toplevel, NULL);
    ecbox        = XtVaCreateManagedWidget("ecbox", boxWidgetClass,
                                           ecpopup, NULL);
    ecdialog0    = XtVaCreateManagedWidget("ecdialog0", dialogWidgetClass,
                                           ecbox,
                                           XtNlabel, "Name:              ",
                                           XtNvalue, "",
                                           NULL);
    ecdialog1    = XtVaCreateManagedWidget("ecdialog1", dialogWidgetClass,
                                           ecbox,
                                           XtNlabel, "Dimension:         ",
                                           XtNvalue, "",
                                           NULL);
    ecokbutton   = XtVaCreateManagedWidget("OK", commandWidgetClass,
                                           ecbox, NULL);
    eccanbutton  = XtVaCreateManagedWidget("Cancel", commandWidgetClass,
                                           ecbox, NULL);

                                /* ED popup */
    edpopup      = XtVaCreatePopupShell("edpopup", transientShellWidgetClass,
                                        toplevel, NULL);
    edbox        = XtVaCreateManagedWidget("edbox", boxWidgetClass,
                                           edpopup, NULL);
    eddialog0    = XtVaCreateManagedWidget("eddialog0", dialogWidgetClass,
                                           edbox,
                                           XtNlabel, "Display Name:      ",
                                           XtNvalue, "",
                                           NULL);
    eddialog1    = XtVaCreateManagedWidget("eddialog1", dialogWidgetClass,
                                           edbox,
                                           XtNlabel, "Geometry:          ",
                                           XtNvalue, "",
                                           NULL);
    eddialog2    = XtVaCreateManagedWidget("eddialog2", dialogWidgetClass,
                                           edbox,
                                           XtNlabel, "Offset:            ",
                                           XtNvalue, "",
                                           NULL);
    edokbutton   = XtVaCreateManagedWidget("OK", commandWidgetClass,
                                           edbox, NULL);
    edcanbutton  = XtVaCreateManagedWidget("Cancel", commandWidgetClass,
                                           edbox, NULL);

                                /* About popup */
    aboutpopup   = XtVaCreatePopupShell("aboutpopup",transientShellWidgetClass,
                                        toplevel, NULL);
    aboutbox     = XtVaCreateManagedWidget("aboutbox", boxWidgetClass,
                                           aboutpopup, NULL);
    abouttext    = XtVaCreateManagedWidget("abouttext", labelWidgetClass,
                                           aboutbox,
                                           XtNlabel, DMX_INFO,
                                           NULL);
    aboutok      = XtVaCreateManagedWidget("OK", commandWidgetClass,
                                           aboutbox, NULL);

                                /* Quit popup */
    quitpopup    = XtVaCreatePopupShell("quitpopup",transientShellWidgetClass,
                                        toplevel, NULL);
    quitbox      = XtVaCreateManagedWidget("quitbox", boxWidgetClass,
                                           quitpopup, NULL);
    quittext     = XtVaCreateManagedWidget("quittext", labelWidgetClass,
                                           quitbox,
                                           XtNlabel,
                                           "Changes to the configuration\n"
                                           "been made that have not yet\n"
                                           "been saved.  Do you want to\n"
                                           "quit without saving?",
                                           NULL);
    quitok       = XtVaCreateManagedWidget("Quit WITHOUT Saving",
                                           commandWidgetClass,
                                           quitbox, NULL);
    quitcan      = XtVaCreateManagedWidget("Continue Editing",
                                           commandWidgetClass,
                                           quitbox, NULL);

                                /* Button popup */
    buttonpopup  = XtVaCreatePopupShell("buttonpopup", simpleMenuWidgetClass,
                                        toplevel, NULL);
    ndbutton1    = XtVaCreateManagedWidget("New Display", smeBSBObjectClass,
                                           buttonpopup,
                                           NULL);
    edbutton     = XtVaCreateManagedWidget("Edit Display", smeBSBObjectClass,
                                           buttonpopup,
                                           NULL);
    ddbutton     = XtVaCreateManagedWidget("Delete Display", smeBSBObjectClass,
                                           buttonpopup,
                                           NULL);

                                /* Callbacks */
    XtAddCallback(openbutton,  XtNcallback, dmxConfigOpenCallback,       NULL);
    XtAddCallback(savebutton,  XtNcallback, dmxConfigSaveCallback,       NULL);
    XtAddCallback(okbutton,    XtNcallback, dmxConfigOkCallback,         NULL);
    XtAddCallback(canbutton,   XtNcallback, dmxConfigCanCallback,        NULL);
    
    XtAppAddActions(appContext, actiontable, XtNumber(actiontable));
    XtOverrideTranslations(canvas, XtParseTranslationTable(canvastrans));
    XtOverrideTranslations(XtNameToWidget(opendialog, "value"),
                                          XtParseTranslationTable(opentrans));
    XtOverrideTranslations(XtNameToWidget(ecdialog0, "value"),
                                          XtParseTranslationTable(opentrans));
    XtOverrideTranslations(XtNameToWidget(ecdialog1, "value"),
                                          XtParseTranslationTable(opentrans));
    XtOverrideTranslations(XtNameToWidget(eddialog0, "value"),
                                          XtParseTranslationTable(opentrans));
    XtOverrideTranslations(XtNameToWidget(eddialog1, "value"),
                                          XtParseTranslationTable(opentrans));
    XtOverrideTranslations(XtNameToWidget(eddialog2, "value"),
                                          XtParseTranslationTable(opentrans));
    
    XtAddCallback(ncbutton,    XtNcallback, dmxConfigNCCallback,         NULL);
    XtAddCallback(ecbutton,    XtNcallback, dmxConfigECCallback,         NULL);
    XtAddCallback(ecokbutton,  XtNcallback, dmxConfigECOkCallback,       NULL);
    XtAddCallback(eccanbutton, XtNcallback, dmxConfigECCanCallback,      NULL);
    XtAddCallback(dcbutton,    XtNcallback, dmxConfigDCCallback,         NULL);

    XtAddCallback(ndbutton0,   XtNcallback, dmxConfigNDCallback,         NULL);
    XtAddCallback(ndbutton1,   XtNcallback, dmxConfigNDCallback,         NULL);
    XtAddCallback(edbutton,    XtNcallback, dmxConfigEDCallback,         NULL);
    XtAddCallback(ddbutton,    XtNcallback, dmxConfigDDCallback,         NULL);
    XtAddCallback(edokbutton,  XtNcallback, dmxConfigEDOkCallback,       NULL);
    XtAddCallback(edcanbutton, XtNcallback, dmxConfigEDCanCallback,      NULL);

    XtAddCallback(aboutbutton, XtNcallback, dmxConfigAboutCallback,      NULL);
    XtAddCallback(aboutok,     XtNcallback, dmxConfigAboutOkCallback,    NULL);
    XtAddCallback(quitok,      XtNcallback, dmxConfigQuitOkCallback,     NULL);
    XtAddCallback(quitcan,     XtNcallback, dmxConfigQuitCanCallback,    NULL);
    
    XtAddCallback(quitbutton,  XtNcallback, dmxConfigQuitCallback,       NULL);
    
    XtAddCallback(canvas, XtNcallback,             dmxConfigCanvasInput, NULL);
    XtAddCallback(canvas, XtNcanvasExposeCallback, dmxConfigCanvasExpose,NULL);
    XtAddCallback(canvas, XtNcanvasResizeCallback, dmxConfigCanvasResize,NULL);

    if (dmxConfigFilename) dmxConfigReadFile();
    
    XtRealizeWidget(toplevel);
    dmxConfigCopystrings();
    dmxConfigSetupCnamemenu();
    XtAppMainLoop(appContext);
    return 0;
}
