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path: root/support/hypertex/tanmoy/ghostview-1.5-hacked/SelFile.c
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Diffstat (limited to 'support/hypertex/tanmoy/ghostview-1.5-hacked/SelFile.c')
-rw-r--r--support/hypertex/tanmoy/ghostview-1.5-hacked/SelFile.c753
1 files changed, 753 insertions, 0 deletions
diff --git a/support/hypertex/tanmoy/ghostview-1.5-hacked/SelFile.c b/support/hypertex/tanmoy/ghostview-1.5-hacked/SelFile.c
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index 0000000000..f722af4196
--- /dev/null
+++ b/support/hypertex/tanmoy/ghostview-1.5-hacked/SelFile.c
@@ -0,0 +1,753 @@
+/*
+ * Copyright 1989 Software Research Associates, Inc., Tokyo, Japan
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Software Research Associates not be used
+ * in advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. Software Research Associates
+ * makes no representations about the suitability of this software for any
+ * purpose. It is provided "as is" without express or implied warranty.
+ *
+ * SOFTWARE RESEARCH ASSOCIATES DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
+ * IN NO EVENT SHALL SOFTWARE RESEARCH ASSOCIATES BE LIABLE FOR ANY SPECIAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Erik M. van der Poel
+ * Software Research Associates, Inc., Tokyo, Japan
+ * erik@sra.co.jp
+ */
+
+/*
+ * Author's address:
+ *
+ * erik@sra.co.jp
+ * OR
+ * erik%sra.co.jp@uunet.uu.net
+ * OR
+ * erik%sra.co.jp@mcvax.uucp
+ * OR
+ * try junet instead of co.jp
+ * OR
+ * Erik M. van der Poel
+ * Software Research Associates, Inc.
+ * 1-1-1 Hirakawa-cho, Chiyoda-ku
+ * Tokyo 102 Japan. TEL +81-3-234-2692
+ */
+
+#include <stdio.h>
+#include <errno.h>
+/* BSD 4.3 errno.h does not declare errno */
+extern int errno;
+extern int sys_nerr;
+extern char *sys_errlist[];
+
+#include <sys/param.h>
+#include <X11/cursorfont.h>
+#include <X11/Intrinsic.h>
+#include <X11/StringDefs.h>
+#include <X11/Composite.h>
+#include <X11/Shell.h>
+#include <X11/Xaw/Form.h>
+#include <X11/Xaw/Command.h>
+#include <X11/Xaw/Scrollbar.h>
+#include <X11/Xaw/Label.h>
+#include <X11/Xaw/Cardinals.h>
+
+#include "SFinternal.h"
+
+#ifndef MAXPATHLEN
+#define MAXPATHLEN 1024
+#endif /* ndef MAXPATHLEN */
+
+#if !defined(SVR4) && !defined(SYSV) && !defined(USG)
+extern char *getwd();
+#endif /* !defined(SVR4) && !defined(SYSV) && !defined(USG) */
+
+int SFstatus = SEL_FILE_NULL;
+
+char
+ SFstartDir[MAXPATHLEN],
+ SFcurrentPath[MAXPATHLEN],
+ SFcurrentDir[MAXPATHLEN];
+
+Widget
+ selFile,
+ selFileCancel,
+ selFileField,
+ selFileForm,
+ selFileHScroll,
+ selFileHScrolls[3],
+ selFileLists[3],
+ selFileOK,
+ selFilePrompt,
+ selFileVScrolls[3];
+
+Display *SFdisplay;
+
+Pixel SFfore, SFback;
+
+Atom SFwmDeleteWindow;
+
+XSegment SFsegs[2], SFcompletionSegs[2];
+
+XawTextPosition SFtextPos;
+
+int SFupperX, SFlowerY, SFupperY;
+
+int SFtextX, SFtextYoffset;
+
+int SFentryWidth, SFentryHeight;
+
+int SFlineToTextH = 3;
+
+int SFlineToTextV = 3;
+
+int SFbesideText = 3;
+
+int SFaboveAndBelowText = 2;
+
+int SFcharsPerEntry = 15;
+
+int SFlistSize = 10;
+
+int SFworkProcAdded = 0;
+
+XtAppContext SFapp;
+
+int SFpathScrollWidth, SFvScrollHeight, SFhScrollWidth;
+
+char SFtextBuffer[MAXPATHLEN];
+
+XtIntervalId SFdirModTimerId;
+
+int (*SFfunc)();
+
+static char *oneLineTextEditTranslations = "\
+ <Key>Return: redraw-display()\n\
+ Ctrl<Key>M: redraw-display()\n\
+";
+
+/* ARGSUSED */
+static void
+SFexposeList(w, n, event, cont)
+ Widget w;
+ XtPointer n;
+ XEvent *event;
+ Boolean *cont;
+{
+ if ((event->type == NoExpose) || event->xexpose.count) {
+ return;
+ }
+
+ SFdrawList(n, SF_DO_NOT_SCROLL);
+}
+
+/* ARGSUSED */
+static void
+SFmodVerifyCallback(w, client_data, event, cont)
+ Widget w;
+ XtPointer client_data;
+ XEvent *event;
+ Boolean *cont;
+{
+ char buf[2];
+
+ if (
+ (XLookupString(&(event->xkey), buf, 2, NULL, NULL) == 1) &&
+ ((*buf) == '\r')
+ ) {
+ SFstatus = SEL_FILE_OK;
+ } else {
+ SFstatus = SEL_FILE_TEXT;
+ }
+}
+
+/* ARGSUSED */
+static void
+SFokCallback(w, cl, cd)
+ Widget w;
+ XtPointer cl, cd;
+{
+ SFstatus = SEL_FILE_OK;
+}
+
+static XtCallbackRec SFokSelect[] = {
+ { SFokCallback, (XtPointer) NULL },
+ { NULL, (XtPointer) NULL },
+};
+
+/* ARGSUSED */
+static void
+SFcancelCallback(w, cl, cd)
+ Widget w;
+ XtPointer cl, cd;
+{
+ SFstatus = SEL_FILE_CANCEL;
+}
+
+static XtCallbackRec SFcancelSelect[] = {
+ { SFcancelCallback, (XtPointer) NULL },
+ { NULL, (XtPointer) NULL },
+};
+
+/* ARGSUSED */
+static void
+SFdismissAction(w, event, params, num_params)
+ Widget w;
+ XEvent *event;
+ String *params;
+ Cardinal *num_params;
+{
+ if (event->type == ClientMessage &&
+ event->xclient.data.l[0] != SFwmDeleteWindow) return;
+
+ SFstatus = SEL_FILE_CANCEL;
+}
+
+static char *wmDeleteWindowTranslation = "\
+ <Message>WM_PROTOCOLS: SelFileDismiss()\n\
+";
+
+static XtActionsRec actions[] = {
+ {"SelFileDismiss", SFdismissAction},
+};
+
+static void
+SFcreateWidgets(toplevel, prompt, ok, cancel)
+ Widget toplevel;
+ char *prompt;
+ char *ok;
+ char *cancel;
+{
+ Cardinal i, n;
+ int listWidth, listHeight;
+ int listSpacing = 10;
+ int scrollThickness = 15;
+ int hScrollX, hScrollY;
+ int vScrollX, vScrollY;
+ Cursor
+ xtermCursor,
+ sbRightArrowCursor,
+ dotCursor;
+ Arg arglist[20];
+
+ i = 0;
+ XtSetArg(arglist[i], XtNtransientFor, toplevel); i++;
+
+ selFile = XtAppCreateShell("selFile", "SelFile",
+ transientShellWidgetClass, SFdisplay, arglist, i);
+
+ /* Add WM_DELETE_WINDOW protocol */
+ XtAppAddActions(XtWidgetToApplicationContext(selFile),
+ actions, XtNumber(actions));
+ XtOverrideTranslations(selFile,
+ XtParseTranslationTable(wmDeleteWindowTranslation));
+
+ i = 0;
+ XtSetArg(arglist[i], XtNdefaultDistance, 30); i++;
+ selFileForm = XtCreateManagedWidget("selFileForm",
+ formWidgetClass, selFile, arglist, i);
+
+ i = 0;
+ XtSetArg(arglist[i], XtNlabel, prompt); i++;
+ XtSetArg(arglist[i], XtNresizable, True); i++;
+ XtSetArg(arglist[i], XtNtop, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNbottom, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNleft, XtChainLeft); i++;
+ XtSetArg(arglist[i], XtNright, XtChainLeft); i++;
+ XtSetArg(arglist[i], XtNborderWidth, 0); i++;
+ selFilePrompt = XtCreateManagedWidget("selFilePrompt",
+ labelWidgetClass, selFileForm, arglist, i);
+
+ i = 0;
+ XtSetArg(arglist[i], XtNforeground, &SFfore); i++;
+ XtSetArg(arglist[i], XtNbackground, &SFback); i++;
+ XtGetValues(selFilePrompt, arglist, i);
+
+ SFinitFont();
+
+ SFentryWidth = SFbesideText + SFcharsPerEntry * SFcharWidth +
+ SFbesideText;
+ SFentryHeight = SFaboveAndBelowText + SFcharHeight +
+ SFaboveAndBelowText;
+
+ listWidth = SFlineToTextH + SFentryWidth + SFlineToTextH + 1 +
+ scrollThickness;
+ listHeight = SFlineToTextV + SFentryHeight + SFlineToTextV + 1 +
+ SFlineToTextV + SFlistSize * SFentryHeight +
+ SFlineToTextV + 1 + scrollThickness;
+
+ SFpathScrollWidth = 3 * listWidth + 2 * listSpacing + 4;
+
+ hScrollX = -1;
+ hScrollY = SFlineToTextV + SFentryHeight + SFlineToTextV + 1 +
+ SFlineToTextV + SFlistSize * SFentryHeight +
+ SFlineToTextV;
+ SFhScrollWidth = SFlineToTextH + SFentryWidth + SFlineToTextH;
+
+ vScrollX = SFlineToTextH + SFentryWidth + SFlineToTextH;
+ vScrollY = SFlineToTextV + SFentryHeight + SFlineToTextV;
+ SFvScrollHeight = SFlineToTextV + SFlistSize * SFentryHeight +
+ SFlineToTextV;
+
+ SFupperX = SFlineToTextH + SFentryWidth + SFlineToTextH - 1;
+ SFlowerY = SFlineToTextV + SFentryHeight + SFlineToTextV + 1 +
+ SFlineToTextV;
+ SFupperY = SFlineToTextV + SFentryHeight + SFlineToTextV + 1 +
+ SFlineToTextV + SFlistSize * SFentryHeight - 1;
+
+ SFtextX = SFlineToTextH + SFbesideText;
+ SFtextYoffset = SFlowerY + SFaboveAndBelowText + SFcharAscent;
+
+ SFsegs[0].x1 = 0;
+ SFsegs[0].y1 = vScrollY;
+ SFsegs[0].x2 = vScrollX - 1;
+ SFsegs[0].y2 = vScrollY;
+ SFsegs[1].x1 = vScrollX;
+ SFsegs[1].y1 = 0;
+ SFsegs[1].x2 = vScrollX;
+ SFsegs[1].y2 = vScrollY - 1;
+
+ SFcompletionSegs[0].x1 = SFcompletionSegs[0].x2 = SFlineToTextH;
+ SFcompletionSegs[1].x1 = SFcompletionSegs[1].x2 =
+ SFlineToTextH + SFentryWidth - 1;
+
+ i = 0;
+ XtSetArg(arglist[i], XtNwidth, 3 * listWidth + 2 * listSpacing + 4);
+ i++;
+ XtSetArg(arglist[i], XtNborderColor, SFfore); i++;
+
+ XtSetArg(arglist[i], XtNfromVert, selFilePrompt); i++;
+ XtSetArg(arglist[i], XtNvertDistance, 10); i++;
+ XtSetArg(arglist[i], XtNresizable, True); i++;
+ XtSetArg(arglist[i], XtNtop, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNbottom, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNleft, XtChainLeft); i++;
+ XtSetArg(arglist[i], XtNright, XtChainLeft); i++;
+ XtSetArg(arglist[i], XtNstring, SFtextBuffer); i++;
+ XtSetArg(arglist[i], XtNlength, MAXPATHLEN); i++;
+ XtSetArg(arglist[i], XtNeditType, XawtextEdit); i++;
+ XtSetArg(arglist[i], XtNwrap, XawtextWrapWord); i++;
+ XtSetArg(arglist[i], XtNresize, XawtextResizeHeight); i++;
+ XtSetArg(arglist[i], XtNuseStringInPlace, True); i++;
+ selFileField = XtCreateManagedWidget("selFileField",
+ asciiTextWidgetClass, selFileForm, arglist, i);
+
+ XtOverrideTranslations(selFileField,
+ XtParseTranslationTable(oneLineTextEditTranslations));
+ XtSetKeyboardFocus(selFileForm, selFileField);
+
+ i = 0;
+ XtSetArg(arglist[i], XtNorientation, XtorientHorizontal); i++;
+ XtSetArg(arglist[i], XtNwidth, SFpathScrollWidth); i++;
+ XtSetArg(arglist[i], XtNheight, scrollThickness); i++;
+ XtSetArg(arglist[i], XtNborderColor, SFfore); i++;
+ XtSetArg(arglist[i], XtNfromVert, selFileField); i++;
+ XtSetArg(arglist[i], XtNvertDistance, 30); i++;
+ XtSetArg(arglist[i], XtNtop, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNbottom, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNleft, XtChainLeft); i++;
+ XtSetArg(arglist[i], XtNright, XtChainLeft); i++;
+ selFileHScroll = XtCreateManagedWidget("selFileHScroll",
+ scrollbarWidgetClass, selFileForm, arglist, i);
+
+ XtAddCallback(selFileHScroll, XtNjumpProc,
+ SFpathSliderMovedCallback, (XtPointer) NULL);
+ XtAddCallback(selFileHScroll, XtNscrollProc,
+ SFpathAreaSelectedCallback, (XtPointer) NULL);
+
+ i = 0;
+ XtSetArg(arglist[i], XtNwidth, listWidth); i++;
+ XtSetArg(arglist[i], XtNheight, listHeight); i++;
+ XtSetArg(arglist[i], XtNborderColor, SFfore); i++;
+ XtSetArg(arglist[i], XtNfromVert, selFileHScroll); i++;
+ XtSetArg(arglist[i], XtNvertDistance, 10); i++;
+ XtSetArg(arglist[i], XtNtop, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNbottom, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNleft, XtChainLeft); i++;
+ XtSetArg(arglist[i], XtNright, XtChainLeft); i++;
+ selFileLists[0] = XtCreateManagedWidget("selFileList1",
+ compositeWidgetClass, selFileForm, arglist, i);
+
+ i = 0;
+ XtSetArg(arglist[i], XtNwidth, listWidth); i++;
+ XtSetArg(arglist[i], XtNheight, listHeight); i++;
+ XtSetArg(arglist[i], XtNborderColor, SFfore); i++;
+ XtSetArg(arglist[i], XtNfromHoriz, selFileLists[0]); i++;
+ XtSetArg(arglist[i], XtNfromVert, selFileHScroll); i++;
+ XtSetArg(arglist[i], XtNhorizDistance, listSpacing); i++;
+ XtSetArg(arglist[i], XtNvertDistance, 10); i++;
+ XtSetArg(arglist[i], XtNtop, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNbottom, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNleft, XtChainLeft); i++;
+ XtSetArg(arglist[i], XtNright, XtChainLeft); i++;
+ selFileLists[1] = XtCreateManagedWidget("selFileList2",
+ compositeWidgetClass, selFileForm, arglist, i);
+
+ i = 0;
+ XtSetArg(arglist[i], XtNwidth, listWidth); i++;
+ XtSetArg(arglist[i], XtNheight, listHeight); i++;
+ XtSetArg(arglist[i], XtNborderColor, SFfore); i++;
+ XtSetArg(arglist[i], XtNfromHoriz, selFileLists[1]); i++;
+ XtSetArg(arglist[i], XtNfromVert, selFileHScroll); i++;
+ XtSetArg(arglist[i], XtNhorizDistance, listSpacing); i++;
+ XtSetArg(arglist[i], XtNvertDistance, 10); i++;
+ XtSetArg(arglist[i], XtNtop, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNbottom, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNleft, XtChainLeft); i++;
+ XtSetArg(arglist[i], XtNright, XtChainLeft); i++;
+ selFileLists[2] = XtCreateManagedWidget("selFileList3",
+ compositeWidgetClass, selFileForm, arglist, i);
+
+ for (n = 0; n < 3; n++) {
+
+ i = 0;
+ XtSetArg(arglist[i], XtNx, vScrollX); i++;
+ XtSetArg(arglist[i], XtNy, vScrollY); i++;
+ XtSetArg(arglist[i], XtNwidth, scrollThickness); i++;
+ XtSetArg(arglist[i], XtNheight, SFvScrollHeight); i++;
+ XtSetArg(arglist[i], XtNborderColor, SFfore); i++;
+ selFileVScrolls[n] = XtCreateManagedWidget("selFileVScroll",
+ scrollbarWidgetClass, selFileLists[n], arglist, i);
+
+ XtAddCallback(selFileVScrolls[n], XtNjumpProc,
+ SFvFloatSliderMovedCallback, (XtPointer) n);
+ XtAddCallback(selFileVScrolls[n], XtNscrollProc,
+ SFvAreaSelectedCallback, (XtPointer) n);
+
+ i = 0;
+
+ XtSetArg(arglist[i], XtNorientation, XtorientHorizontal);
+ i++;
+ XtSetArg(arglist[i], XtNx, hScrollX); i++;
+ XtSetArg(arglist[i], XtNy, hScrollY); i++;
+ XtSetArg(arglist[i], XtNwidth, SFhScrollWidth); i++;
+ XtSetArg(arglist[i], XtNheight, scrollThickness); i++;
+ XtSetArg(arglist[i], XtNborderColor, SFfore); i++;
+ selFileHScrolls[n] = XtCreateManagedWidget("selFileHScroll",
+ scrollbarWidgetClass, selFileLists[n], arglist, i);
+
+ XtAddCallback(selFileHScrolls[n], XtNjumpProc,
+ SFhSliderMovedCallback, (XtPointer) n);
+ XtAddCallback(selFileHScrolls[n], XtNscrollProc,
+ SFhAreaSelectedCallback, (XtPointer) n);
+ }
+
+ i = 0;
+ XtSetArg(arglist[i], XtNlabel, ok); i++;
+ XtSetArg(arglist[i], XtNresizable, True); i++;
+ XtSetArg(arglist[i], XtNcallback, SFokSelect); i++;
+ XtSetArg(arglist[i], XtNborderColor, SFfore); i++;
+ XtSetArg(arglist[i], XtNfromVert, selFileLists[0]); i++;
+ XtSetArg(arglist[i], XtNvertDistance, 30); i++;
+ XtSetArg(arglist[i], XtNtop, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNbottom, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNleft, XtChainLeft); i++;
+ XtSetArg(arglist[i], XtNright, XtChainLeft); i++;
+ selFileOK = XtCreateManagedWidget("selFileOK", commandWidgetClass,
+ selFileForm, arglist, i);
+
+ i = 0;
+ XtSetArg(arglist[i], XtNlabel, cancel); i++;
+ XtSetArg(arglist[i], XtNresizable, True); i++;
+ XtSetArg(arglist[i], XtNcallback, SFcancelSelect); i++;
+ XtSetArg(arglist[i], XtNborderColor, SFfore); i++;
+ XtSetArg(arglist[i], XtNfromHoriz, selFileOK); i++;
+ XtSetArg(arglist[i], XtNfromVert, selFileLists[0]); i++;
+ XtSetArg(arglist[i], XtNhorizDistance, 30); i++;
+ XtSetArg(arglist[i], XtNvertDistance, 30); i++;
+ XtSetArg(arglist[i], XtNtop, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNbottom, XtChainTop); i++;
+ XtSetArg(arglist[i], XtNleft, XtChainLeft); i++;
+ XtSetArg(arglist[i], XtNright, XtChainLeft); i++;
+ selFileCancel = XtCreateManagedWidget("selFileCancel",
+ commandWidgetClass, selFileForm, arglist, i);
+
+ XtSetMappedWhenManaged(selFile, False);
+ XtRealizeWidget(selFile);
+
+ /* Add WM_DELETE_WINDOW protocol */
+ SFwmDeleteWindow = XInternAtom(SFdisplay, "WM_DELETE_WINDOW", False);
+ XSetWMProtocols(SFdisplay, XtWindow(selFile), &SFwmDeleteWindow, 1);
+
+ SFcreateGC();
+
+ xtermCursor = XCreateFontCursor(SFdisplay, XC_xterm);
+
+ sbRightArrowCursor = XCreateFontCursor(SFdisplay, XC_sb_right_arrow);
+ dotCursor = XCreateFontCursor(SFdisplay, XC_dot);
+
+ XDefineCursor(SFdisplay, XtWindow(selFileForm), xtermCursor);
+ XDefineCursor(SFdisplay, XtWindow(selFileField), xtermCursor);
+
+ for (n = 0; n < 3; n++) {
+ XDefineCursor(SFdisplay, XtWindow(selFileLists[n]),
+ sbRightArrowCursor);
+ }
+ XDefineCursor(SFdisplay, XtWindow(selFileOK), dotCursor);
+ XDefineCursor(SFdisplay, XtWindow(selFileCancel), dotCursor);
+
+ for (n = 0; n < 3; n++) {
+ XtAddEventHandler(selFileLists[n], ExposureMask, True,
+ SFexposeList, (XtPointer) n);
+ XtAddEventHandler(selFileLists[n], EnterWindowMask, False,
+ SFenterList, (XtPointer) n);
+ XtAddEventHandler(selFileLists[n], LeaveWindowMask, False,
+ SFleaveList, (XtPointer) n);
+ XtAddEventHandler(selFileLists[n], PointerMotionMask, False,
+ SFmotionList, (XtPointer) n);
+ XtAddEventHandler(selFileLists[n], ButtonPressMask, False,
+ SFbuttonPressList, (XtPointer) n);
+ XtAddEventHandler(selFileLists[n], ButtonReleaseMask, False,
+ SFbuttonReleaseList, (XtPointer) n);
+ }
+
+ XtAddEventHandler(selFileField, KeyPressMask, False,
+ SFmodVerifyCallback, (XtPointer) NULL);
+
+ SFapp = XtWidgetToApplicationContext(selFile);
+
+}
+
+/* position widget under the cursor */
+void
+SFpositionWidget(w)
+ Widget w;
+{
+ Arg args[3];
+ Cardinal num_args;
+ Dimension width, height, b_width;
+ int x, y, max_x, max_y;
+ Window root, child;
+ int dummyx, dummyy;
+ unsigned int dummymask;
+
+ XQueryPointer(XtDisplay(w), XtWindow(w), &root, &child, &x, &y,
+ &dummyx, &dummyy, &dummymask);
+ num_args = 0;
+ XtSetArg(args[num_args], XtNwidth, &width); num_args++;
+ XtSetArg(args[num_args], XtNheight, &height); num_args++;
+ XtSetArg(args[num_args], XtNborderWidth, &b_width); num_args++;
+ XtGetValues(w, args, num_args);
+
+ width += 2 * b_width;
+ height += 2 * b_width;
+
+ x -= ( (Position) width/2 );
+ if (x < 0) x = 0;
+ if ( x > (max_x = (Position) (XtScreen(w)->width - width)) ) x = max_x;
+
+ y -= ( (Position) height/2 );
+ if (y < 0) y = 0;
+ if ( y > (max_y = (Position) (XtScreen(w)->height - height)) ) y = max_y;
+
+ num_args = 0;
+ XtSetArg(args[num_args], XtNx, x); num_args++;
+ XtSetArg(args[num_args], XtNy, y); num_args++;
+ XtSetValues(w, args, num_args);
+}
+
+FILE *
+SFopenFile(name, mode, prompt, failed)
+ char *name;
+ char *mode;
+ char *prompt;
+ char *failed;
+{
+ Arg args[1];
+ FILE *fp;
+
+ SFchdir(SFstartDir);
+ if ((fp = fopen(name, mode)) == NULL) {
+ char *buf;
+ if (errno <= sys_nerr) {
+ buf = XtMalloc(strlen(failed) + strlen(sys_errlist[errno]) +
+ strlen(prompt) + 2);
+ strcpy(buf, failed);
+ strcat(buf, sys_errlist[errno]);
+ strcat(buf, "\n");
+ strcat(buf, prompt);
+ } else {
+ buf = XtMalloc(strlen(failed) + strlen(prompt) + 2);
+ strcpy(buf, failed);
+ strcat(buf, "\n");
+ strcat(buf, prompt);
+ }
+ XtSetArg(args[0], XtNlabel, buf);
+ XtSetValues(selFilePrompt, args, ONE);
+ XtFree(buf);
+ return NULL;
+ }
+ return fp;
+}
+
+SFtextChanged()
+{
+
+ if ((SFtextBuffer[0] == '/') || (SFtextBuffer[0] == '~')) {
+ (void) strcpy(SFcurrentPath, SFtextBuffer);
+
+ SFtextPos = XawTextGetInsertionPoint(selFileField);
+ } else {
+ (void) strcat(strcpy(SFcurrentPath, SFstartDir), SFtextBuffer);
+
+ SFtextPos = XawTextGetInsertionPoint(selFileField) +
+ strlen(SFstartDir);
+ }
+
+ if (!SFworkProcAdded) {
+ (void) XtAppAddWorkProc(SFapp, SFworkProc, NULL);
+ SFworkProcAdded = 1;
+ }
+
+ SFupdatePath();
+}
+
+static char *
+SFgetText()
+{
+ return strcpy(XtMalloc((unsigned) (strlen(SFtextBuffer) + 1)),
+ SFtextBuffer);
+}
+
+static
+SFprepareToReturn()
+{
+ SFstatus = SEL_FILE_NULL;
+ XtRemoveGrab(selFile);
+ XtUnmapWidget(selFile);
+ XtRemoveTimeOut(SFdirModTimerId);
+ if (SFchdir(SFstartDir)) {
+ XtAppError(
+ SFapp,
+ "XsraSelFile: can't return to current directory"
+ );
+ }
+}
+
+FILE *
+XsraSelFile(toplevel, prompt, ok, cancel, failed,
+ init_path, mode, show_entry, name_return)
+ Widget toplevel;
+ char *prompt;
+ char *ok;
+ char *cancel;
+ char *failed;
+ char *init_path;
+ char *mode;
+ int (*show_entry)();
+ char **name_return;
+{
+ static int firstTime = 1;
+ Cardinal i;
+ Arg arglist[20];
+ XEvent event;
+ FILE *fp;
+
+ if (!prompt) {
+ prompt = "Pathname:";
+ }
+
+ if (!ok) {
+ ok = "OK";
+ }
+
+ if (!cancel) {
+ cancel = "Cancel";
+ }
+
+ if (firstTime) {
+ firstTime = 0;
+ SFdisplay = XtDisplay(toplevel);
+ SFcreateWidgets(toplevel, prompt, ok, cancel);
+ } else {
+ i = 0;
+
+ XtSetArg(arglist[i], XtNlabel, prompt); i++;
+ XtSetValues(selFilePrompt, arglist, i);
+
+ i = 0;
+ XtSetArg(arglist[i], XtNlabel, ok); i++;
+ XtSetValues(selFileOK, arglist, i);
+
+ i = 0;
+ XtSetArg(arglist[i], XtNlabel, cancel); i++;
+ XtSetValues(selFileCancel, arglist, i);
+ }
+
+ SFpositionWidget(selFile);
+ XtMapWidget(selFile);
+
+#if defined(SVR4) || defined(SYSV) || defined(USG)
+ if (!getcwd(SFstartDir, MAXPATHLEN)) {
+#else /* defined(SVR4) || defined(SYSV) || defined(USG) */
+ if (!getwd(SFstartDir)) {
+#endif /* defined(SVR4) || defined(SYSV) || defined(USG) */
+
+ XtAppError(SFapp, "XsraSelFile: can't get current directory");
+ }
+ (void) strcat(SFstartDir, "/");
+ (void) strcpy(SFcurrentDir, SFstartDir);
+
+ if (init_path) {
+ if (init_path[0] == '/') {
+ (void) strcpy(SFcurrentPath, init_path);
+ if (strncmp(
+ SFcurrentPath,
+ SFstartDir,
+ strlen(SFstartDir)
+ )) {
+ SFsetText(SFcurrentPath);
+ } else {
+ SFsetText(&(SFcurrentPath[strlen(SFstartDir)]));
+ }
+ } else {
+ (void) strcat(strcpy(SFcurrentPath, SFstartDir),
+ init_path);
+ SFsetText(&(SFcurrentPath[strlen(SFstartDir)]));
+ }
+ } else {
+ (void) strcpy(SFcurrentPath, SFstartDir);
+ }
+
+ SFfunc = show_entry;
+
+ SFtextChanged();
+
+ XtAddGrab(selFile, True, True);
+
+ SFdirModTimerId = XtAppAddTimeOut(SFapp, (unsigned long) 1000,
+ SFdirModTimer, (XtPointer) NULL);
+
+ while (1) {
+ XtAppNextEvent(SFapp, &event);
+ XtDispatchEvent(&event);
+ switch (SFstatus) {
+ case SEL_FILE_TEXT:
+ SFstatus = SEL_FILE_NULL;
+ SFtextChanged();
+ break;
+ case SEL_FILE_OK:
+ *name_return = SFgetText();
+ if (fp = SFopenFile(*name_return, mode,
+ prompt, failed)) {
+ SFprepareToReturn();
+ return fp;
+ }
+ SFstatus = SEL_FILE_NULL;
+ break;
+ case SEL_FILE_CANCEL:
+ SFprepareToReturn();
+ return NULL;
+ case SEL_FILE_NULL:
+ break;
+ }
+ }
+}