/*
* dialogs.c -- Dialog box for ghostview.
* Copyright (C) 1992 Timothy O. Theisen
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Author: Tim Theisen Systems Programmer
* Internet: tim@cs.wisc.edu Department of Computer Sciences
* UUCP: uwvax!tim University of Wisconsin-Madison
* Phone: (608)262-0438 1210 West Dayton Street
* FAX: (608)262-9777 Madison, WI 53706
*/
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <X11/Xos.h>
#include <X11/Xaw/Cardinals.h>
#include <X11/Xaw/Form.h>
#include <X11/Xaw/Label.h>
#include <X11/Xaw/AsciiText.h>
#include <X11/Xaw/Command.h>
#include "gv.h"
static String okay_accelerators =
"#override\n\
<Key>Return: set() notify() unset()\n";
/* Create a dialog widget */
/* It is just a form widget with
* a label prompt
* a text response
* an oky button
* a cancel button */
Widget
CreateDialog(parent, name, okay_callback, cancel_callback)
Widget parent;
String name;
XtCallbackProc okay_callback;
XtCallbackProc cancel_callback;
{
Widget form, prompt, response, okay, cancel;
Arg args[20];
Cardinal num_args;
form = XtCreateManagedWidget(name, formWidgetClass, parent, NULL, ZERO);
num_args = 0;
XtSetArg(args[num_args], XtNtop, XtChainTop); num_args++;
XtSetArg(args[num_args], XtNbottom, XtChainTop); num_args++;
XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
XtSetArg(args[num_args], XtNresizable, True); num_args++;
XtSetArg(args[num_args], XtNborderWidth, 0); num_args++;
prompt = XtCreateManagedWidget("prompt", labelWidgetClass,
form, args, num_args);
num_args = 0;
XtSetArg(args[num_args], XtNfromVert, prompt); num_args++;
XtSetArg(args[num_args], XtNtop, XtChainTop); num_args++;
XtSetArg(args[num_args], XtNbottom, XtChainTop); num_args++;
XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
XtSetArg(args[num_args], XtNresizable, True); num_args++;
XtSetArg(args[num_args], XtNeditType, XawtextEdit); num_args++;
XtSetArg(args[num_args], XtNresize, XawtextResizeWidth); num_args++;
XtSetArg(args[num_args], XtNstring, ""); num_args++;
response = XtCreateManagedWidget("response", asciiTextWidgetClass,
form, args, num_args);
num_args = 0;
XtSetArg(args[num_args], XtNfromVert, response); num_args++;
XtSetArg(args[num_args], XtNtop, XtChainTop); num_args++;
XtSetArg(args[num_args], XtNbottom, XtChainTop); num_args++;
XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
XtSetArg(args[num_args], XtNresizable, True); num_args++;
XtSetArg(args[num_args], XtNaccelerators,
XtParseAcceleratorTable(okay_accelerators)); num_args++;
okay = XtCreateManagedWidget("okay", commandWidgetClass,
form, args, num_args);
XtAddCallback(okay, XtNcallback, okay_callback, form);
num_args = 0;
XtSetArg(args[num_args], XtNfromVert, response); num_args++;
XtSetArg(args[num_args], XtNfromHoriz, okay); num_args++;
XtSetArg(args[num_args], XtNtop, XtChainTop); num_args++;
XtSetArg(args[num_args], XtNbottom, XtChainTop); num_args++;
XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++;
XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++;
XtSetArg(args[num_args], XtNresizable, True); num_args++;
cancel = XtCreateManagedWidget("cancel", commandWidgetClass,
form, args, num_args);
XtAddCallback(cancel, XtNcallback, cancel_callback, parent);
XtInstallAccelerators(response, okay);
XtSetKeyboardFocus(form, response);
return form;
}
/* get the prompt from the dialog box. Used a startup time to
* save away the initial prompt */
String
GetDialogPrompt(w)
Widget w;
{
Arg args[1];
Widget label;
String s;
label = XtNameToWidget(w, "prompt");
XtSetArg(args[0], XtNlabel, &s);
XtGetValues(label, args, ONE);
return XtNewString(s);
}
/* set the prompt. This is used to put error information in the prompt */
void
SetDialogPrompt(w, newprompt)
Widget w;
String newprompt;
{
Arg args[1];
Widget label;
label = XtNameToWidget(w, "prompt");
XtSetArg(args[0], XtNlabel, newprompt);
XtSetValues(label, args, ONE);
}
/* get what the user typed */
String
GetDialogResponse(w)
Widget w;
{
Arg args[1];
Widget response;
String s;
response = XtNameToWidget(w, "response");
XtSetArg(args[0], XtNstring, &s);
XtGetValues(response, args, ONE);
return XtNewString(s);
}
/* set the default reponse */
void
SetDialogResponse(w, s)
Widget w;
String s;
{
Arg args[3];
Widget response;
XFontStruct *font;
Dimension width, leftMargin, rightMargin;
response = XtNameToWidget(w, "response");
XtSetArg(args[0], XtNfont, &font);
XtSetArg(args[1], XtNleftMargin, &leftMargin);
XtSetArg(args[2], XtNrightMargin, &rightMargin);
XtGetValues(response, args, THREE);
width = font->max_bounds.width * strlen(s) + leftMargin + rightMargin;
XtSetArg(args[0], XtNstring, s);
XtSetArg(args[1], XtNwidth, width);
XtSetValues(response, args, TWO);
XawTextSetInsertionPoint(response, strlen(s));
}
/* clear the response */
void
ClearDialogResponse(w)
Widget w;
{
Arg args[2];
Widget response;
response = XtNameToWidget(w, "response");
XtSetArg(args[0], XtNstring, "");
XtSetArg(args[1], XtNwidth, 100);
XtSetValues(response, args, TWO);
}