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/*
** getfilename.c
**
*/
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <X11/Xaw/Label.h>
#include <X11/Xaw/Command.h>
#include <X11/Xaw/Form.h>
#include <X11/Shell.h>
#include <X11/Xaw/AsciiText.h>
#include <stdio.h>
#include "xgc.h"
static Widget popupshell = NULL; /* popup dialog box */
Widget filename_text_widget; /* Widget containing the name of
the file the user has selected */
static void kill_popup_shell(void);
void
get_filename(
void (*success)(void), /* what function to call when a filename is
chosen */
void (*failure)(void)) /* what function to call when the user
cancels */
{
static Widget popupform; /* form inside shell */
static Widget label; /* "Filename :" */
Window dummy1, dummy2;
int x1,y1,x2,y2;
unsigned int mask;
/* The translation table for the text widget. Things such as <RETURN>
** confirm the user's choice. Other keys which would move out of
** the range of a one-line window are disabled. */
static const char *translationtable =
"Ctrl<Key>J: KillPopup() Done()\n\
Ctrl<Key>M: KillPopup() Done()\n\
<Key>Linefeed: KillPopup() Done()\n\
<Key>Return: KillPopup() Done()\n\
Ctrl<Key>O: Nothing()\n\
Meta<Key>I: Nothing()\n\
Ctrl<Key>N: Nothing()\n\
Ctrl<Key>P: Nothing()\n\
Ctrl<Key>Z: Nothing()\n\
Meta<Key>Z: Nothing()\n\
Ctrl<Key>V: Nothing()\n\
Meta<Key>V: Nothing()";
/* What the actions in the translation table correspond to. */
static XtActionsRec actiontable[] = {
{"KillPopup", (XtActionProc) kill_popup_shell},
{"Done", NULL},
{"Nothing", NULL}
};
static Arg popupshellargs[] = { /* Where to put the popup shell. */
{XtNx, (XtArgVal) NULL},
{XtNy, (XtArgVal) NULL}
};
static Arg labelargs[] = { /* ArgList for the label */
{XtNborderWidth, (XtArgVal) 0},
{XtNjustify, (XtArgVal) XtJustifyRight}
};
static Arg textargs[] = { /* ArgList for the text widget */
{XtNeditType, (XtArgVal) XawtextEdit},
{XtNwidth, (XtArgVal) 200},
{XtNhorizDistance, (XtArgVal) 10},
{XtNfromHoriz, (XtArgVal) NULL},
};
static Arg cancelargs[] = { /* ArgList for the cancel button */
{XtNfromHoriz, (XtArgVal) NULL},
{XtNcallback, (XtArgVal) NULL}
};
/* Procedures to call when the user selects 'cancel' */
static XtCallbackRec cancelcallbacklist[] = {
{(XtCallbackProc) kill_popup_shell, NULL},
{NULL, NULL},
{NULL, NULL}
};
if (popupshell != NULL) {
XtPopup(popupshell,XtGrabExclusive);
return;
}
/* Find out where the pointer is, so we can put the popup window there */
(void) XQueryPointer(X.dpy,XtWindow(topform),&dummy1,&dummy2,&x1,&y1,
&x2,&y2,&mask);
popupshellargs[0].value = (XtArgVal) x2;
popupshellargs[1].value = (XtArgVal) y2;
popupshell = XtCreatePopupShell("popup",overrideShellWidgetClass,
topform,popupshellargs,XtNumber(popupshellargs));
popupform = XtCreateManagedWidget("form",formWidgetClass,popupshell,
NULL, 0);
label = XtCreateManagedWidget("Filename: ",labelWidgetClass,popupform,
labelargs,XtNumber(labelargs));
textargs[3].value = (XtArgVal) label;
filename_text_widget = XtCreateManagedWidget("text",asciiTextWidgetClass,
popupform,
textargs,XtNumber(textargs));
/* Complete the action table. We have to do it here because success
** isn't known at compile time. */
actiontable[1].proc = (XtActionProc) success;
/* Register actions, translations, callbacks */
XtAppAddActions(appcontext,actiontable,XtNumber(actiontable));
XtOverrideTranslations(filename_text_widget,
XtParseTranslationTable(translationtable));
cancelcallbacklist[1].callback = (XtCallbackProc) failure;
cancelargs[0].value = (XtArgVal) filename_text_widget;
cancelargs[1].value = (XtArgVal) cancelcallbacklist;
(void) XtCreateManagedWidget("Cancel",commandWidgetClass,popupform,
cancelargs,XtNumber(cancelargs));
/* Bring up the popup. When the user presses cancel or the return key,
** the function kill_popup_shell (below) will be called to remove it. */
XtPopup(popupshell,XtGrabExclusive);
}
/* kill_popup_shell()
** ------------------
** Remove the popup window that get_filename popped up.
*/
static void
kill_popup_shell(void)
{
XtPopdown(popupshell);
}
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