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jwalz
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win/X11/dialogs.c
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340
win/X11/dialogs.c
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/*
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* Copyright 1991 University of Wisconsin-Madison
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the University of Wisconsin-Madison not
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* be used in advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission. The University of
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* Wisconsin-Madison makes no representations about the suitability of this
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* software for any purpose. It is provided "as is" without express or
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* implied warranty.
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*
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* THE UNIVERSITY OF WISCONSIN-MADISON DISCLAIMS ALL WARRANTIES WITH REGARD TO
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* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE UNIVERSITY OF WISCONSIN-MADISON BE LIABLE FOR
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* ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Tim Theisen Department of Computer Sciences
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* tim@cs.wisc.edu University of Wisconsin-Madison
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* uwvax!tim 1210 West Dayton Street
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* (608)262-0438 Madison, WI 53706
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*
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*
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* Modified 12/91 by Dean Luick. Tim graciously donated this piece of code
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* from his program ghostview, an X11 front end for ghostscript.
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*
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* + Make the cancel button optional.
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* + Put an #ifdef SPECIAL_CMAP around code to fix a colormap bug.
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* We don't need it here.
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* + Add the function positionpopup() from another part of ghostview
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* to this code.
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*
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* Modified 2/93, Various.
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* + Added workaround for SYSV include problem.
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* + Changed the default width response text widget to be as wide as the
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* window itself. Suggestion from David E. Wexelblat, dwex@goblin.org.
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*/
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#ifndef SYSV
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#define PRESERVE_NO_SYSV /* X11 include files may define SYSV */
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#endif
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#include <X11/Intrinsic.h>
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#include <X11/StringDefs.h>
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#include <X11/Xos.h>
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#include <X11/Xaw/Cardinals.h>
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#include <X11/Xaw/Form.h>
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#include <X11/Xaw/Label.h>
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#include <X11/Xaw/AsciiText.h>
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#include <X11/Xaw/Command.h>
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#ifdef PRESERVE_NO_SYSV
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# ifdef SYSV
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# undef SYSV
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# endif
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# undef PRESERVE_NO_SYSV
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#endif
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#include "config.h" /* #define for const for non __STDC__ compilers */
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/* ":" added to both translations below to allow limited redefining of
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* keysyms before testing for keysym values -- dlc */
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static const char okay_accelerators[] =
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"#override\n\
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:<Key>Return: set() notify() unset()\n";
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static const char cancel_accelerators[] =
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"#override\n\
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:<Key>Escape: set() notify() unset()\n\
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:<Ctrl>[: set() notify() unset()\n"; /* for keyboards w/o an ESC */
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/* Create a dialog widget. It is just a form widget with
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* a label prompt
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* a text response
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* an okay button
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* an optional cancel button
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*/
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Widget
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CreateDialog(parent, name, okay_callback, cancel_callback)
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Widget parent;
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String name;
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XtCallbackProc okay_callback;
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XtCallbackProc cancel_callback;
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{
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Widget form, prompt, response, okay, cancel;
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Arg args[20];
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Cardinal num_args;
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num_args = 0;
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#ifdef SPECIAL_CMAP
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if (special_cmap) {
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XtSetArg(args[num_args], XtNbackground, white); num_args++;
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}
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#endif
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form = XtCreateManagedWidget(name, formWidgetClass, parent, args, num_args);
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num_args = 0;
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#ifdef SPECIAL_CMAP
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if (special_cmap) {
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XtSetArg(args[num_args], XtNforeground, black); num_args++;
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XtSetArg(args[num_args], XtNbackground, white); num_args++;
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}
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#endif
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XtSetArg(args[num_args], XtNtop, XtChainTop); num_args++;
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XtSetArg(args[num_args], XtNbottom, XtChainTop); num_args++;
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XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
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XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
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XtSetArg(args[num_args], XtNresizable, True); num_args++;
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XtSetArg(args[num_args], XtNborderWidth, 0); num_args++;
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prompt = XtCreateManagedWidget("prompt", labelWidgetClass,
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form, args, num_args);
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num_args = 0;
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#ifdef SPECIAL_CMAP
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if (special_cmap) {
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XtSetArg(args[num_args], XtNforeground, black); num_args++;
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XtSetArg(args[num_args], XtNbackground, white); num_args++;
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}
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#endif
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XtSetArg(args[num_args], XtNfromVert, prompt); num_args++;
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XtSetArg(args[num_args], XtNtop, XtChainTop); num_args++;
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XtSetArg(args[num_args], XtNbottom, XtChainTop); num_args++;
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XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
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XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
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XtSetArg(args[num_args], XtNresizable, True); num_args++;
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XtSetArg(args[num_args], XtNeditType, XawtextEdit); num_args++;
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XtSetArg(args[num_args], XtNresize, XawtextResizeWidth); num_args++;
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XtSetArg(args[num_args], XtNstring, ""); num_args++;
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response = XtCreateManagedWidget("response", asciiTextWidgetClass,
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form, args, num_args);
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num_args = 0;
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#ifdef SPECIAL_CMAP
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if (special_cmap) {
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XtSetArg(args[num_args], XtNforeground, black); num_args++;
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XtSetArg(args[num_args], XtNbackground, white); num_args++;
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}
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#endif
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XtSetArg(args[num_args], XtNfromVert, response); num_args++;
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XtSetArg(args[num_args], XtNtop, XtChainTop); num_args++;
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XtSetArg(args[num_args], XtNbottom, XtChainTop); num_args++;
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XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
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XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
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XtSetArg(args[num_args], XtNresizable, True); num_args++;
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XtSetArg(args[num_args], XtNaccelerators,
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XtParseAcceleratorTable(okay_accelerators)); num_args++;
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okay = XtCreateManagedWidget("okay", commandWidgetClass,
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form, args, num_args);
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XtAddCallback(okay, XtNcallback, okay_callback, form);
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/* Only create cancel button if there is a callback for it. */
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if (cancel_callback) {
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num_args = 0;
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#ifdef SPECIAL_CMAP
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if (special_cmap) {
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XtSetArg(args[num_args], XtNforeground, black); num_args++;
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XtSetArg(args[num_args], XtNbackground, white); num_args++;
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}
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#endif
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XtSetArg(args[num_args], XtNfromVert, response); num_args++;
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XtSetArg(args[num_args], XtNfromHoriz, okay); num_args++;
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XtSetArg(args[num_args], XtNtop, XtChainTop); num_args++;
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XtSetArg(args[num_args], XtNbottom, XtChainTop); num_args++;
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XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
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XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
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XtSetArg(args[num_args], XtNresizable, True); num_args++;
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XtSetArg(args[num_args], XtNaccelerators,
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XtParseAcceleratorTable(cancel_accelerators)); num_args++;
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cancel = XtCreateManagedWidget("cancel", commandWidgetClass,
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form, args, num_args);
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XtAddCallback(cancel, XtNcallback, cancel_callback, form);
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XtInstallAccelerators(response, cancel);
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}
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XtInstallAccelerators(response, okay);
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XtSetKeyboardFocus(form, response);
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return form;
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}
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#if 0
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/* get the prompt from the dialog box. Used a startup time to
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* save away the initial prompt */
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String
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GetDialogPrompt(w)
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Widget w;
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{
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Arg args[1];
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Widget label;
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String s;
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label = XtNameToWidget(w, "prompt");
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XtSetArg(args[0], XtNlabel, &s);
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XtGetValues(label, args, ONE);
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return XtNewString(s);
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}
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#endif
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/* set the prompt. This is used to put error information in the prompt */
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void
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SetDialogPrompt(w, newprompt)
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Widget w;
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String newprompt;
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{
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Arg args[1];
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Widget label;
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label = XtNameToWidget(w, "prompt");
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XtSetArg(args[0], XtNlabel, newprompt);
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XtSetValues(label, args, ONE);
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}
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/* get what the user typed; caller must free the response */
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String
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GetDialogResponse(w)
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Widget w;
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{
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Arg args[1];
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Widget response;
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String s;
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response = XtNameToWidget(w, "response");
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XtSetArg(args[0], XtNstring, &s);
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XtGetValues(response, args, ONE);
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return XtNewString(s);
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}
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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/* set the default reponse */
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void
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SetDialogResponse(w, s)
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Widget w;
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String s;
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{
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Arg args[4];
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Widget response;
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XFontStruct *font;
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Dimension width, nwidth, tmp, leftMargin, rightMargin;
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response = XtNameToWidget(w, "response");
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XtSetArg(args[0], XtNfont, &font);
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XtSetArg(args[1], XtNleftMargin, &leftMargin);
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XtSetArg(args[2], XtNrightMargin, &rightMargin);
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XtSetArg(args[3], XtNwidth, &width);
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XtGetValues(response, args, FOUR);
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nwidth = (font->max_bounds.width * strlen(s))+leftMargin+rightMargin;
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tmp = width-(leftMargin+rightMargin);
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if (nwidth < tmp)
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nwidth = tmp;
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XtSetArg(args[0], XtNstring, s);
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XtSetArg(args[1], XtNwidth, nwidth);
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XtSetValues(response, args, TWO);
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XawTextSetInsertionPoint(response, strlen(s));
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}
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#if 0
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/* clear the response */
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void
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ClearDialogResponse(w)
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Widget w;
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{
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Arg args[2];
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Widget response;
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response = XtNameToWidget(w, "response");
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XtSetArg(args[0], XtNstring, "");
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XtSetArg(args[1], XtNwidth, 100);
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XtSetValues(response, args, TWO);
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}
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#endif
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/* Not a part of the original dialogs.c from ghostview --------------------- */
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/* position popup window under the cursor */
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void
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positionpopup(w, bottom)
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Widget w;
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boolean bottom; /* position y on bottom? */
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{
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Arg args[3];
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Cardinal num_args;
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Dimension width, height, b_width;
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int x, y, max_x, max_y;
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Window root, child;
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XSizeHints *hints;
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int dummyx, dummyy;
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unsigned int dummymask;
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extern Widget toplevel;
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/* following line deals with a race condition w/brain-damaged WM's -dlc */
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XtUnrealizeWidget(w);
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XQueryPointer(XtDisplay(toplevel), XtWindow(toplevel), &root, &child,
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&x, &y, &dummyx, &dummyy, &dummymask);
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num_args = 0;
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XtSetArg(args[num_args], XtNwidth, &width); num_args++;
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XtSetArg(args[num_args], XtNheight, &height); num_args++;
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XtSetArg(args[num_args], XtNborderWidth, &b_width); num_args++;
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XtGetValues(w, args, num_args);
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/* position so that the cursor is center,center or center,bottom */
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width += 2 * b_width;
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x -= ( (Position) width/2 );
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if (x < 0) x = 0;
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if ( x > (max_x = (Position) (XtScreen(w)->width - width)) ) x = max_x;
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if (bottom) {
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y -= (height+b_width-1);
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height += 2 * b_width;
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} else {
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height += 2 * b_width;
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y -= ( (Position) height/2 );
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}
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if (y < 0) y = 0;
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if ( y > (max_y = (Position) (XtScreen(w)->height - height)) ) y = max_y;
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num_args = 0;
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XtSetArg(args[num_args], XtNx, x); num_args++;
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XtSetArg(args[num_args], XtNy, y); num_args++;
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XtSetValues(w, args, num_args);
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/* Some older window managers ignore XtN{x,y}; hint the same values */
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/* The {x,y} are not used by newer window managers; older ones need them */
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XtRealizeWidget(w);
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hints = XAllocSizeHints();
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hints->flags = USPosition;
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hints->x = x;
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hints->y = y;
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XSetWMNormalHints(XtDisplay(w), XtWindow(w), hints);
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XFree(hints);
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}
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