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/* xmessage.c: pop up a message for five seconds and then go away.
Copyright (C) 1992, 2011 Free Software Foundation, Inc.
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 3, 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. */
#ifndef X_DISPLAY_MISSING /* whole file */
#include "config.h"
#include "xt-common.h"
#include <X11/Shell.h>
#include <X11/Xaw/Label.h>
#include "xmessage.h"
static void message_over (XtPointer, XtIntervalId *);
/* Make a popup child of the widget PARENT displaying the string S. We
pass the ARGS and N_ARGS parameters to the creation routine. */
void
x_message (Widget parent, string s, ArgList args, Cardinal n_args)
{
Dimension parent_height;
Position popup_x, popup_y;
Widget popup;
XtAppContext app_con = XtWidgetToApplicationContext (parent);
Arg parent_args[]
= { { XtNheight, (XtArgVal) &parent_height },
};
Arg popup_args[]
= { { XtNx, 0 }, /* We assign to the position below. */
{ XtNy, 0 },
{ XtNgeometry, (XtArgVal) NULL }, /* Don't use parent's geometry. */
};
Arg default_args[] = { { XtNlabel, (XtArgVal) s } };
ArgList all_args
= XtMergeArgLists (args, n_args, default_args, XtNumber (default_args));
/* Put the message at the left edge of and about halfway down PARENT's
window. We pass the address of true Position variables rather
than the address of the Arg values; in the latter case, the
endianness of the computer determines which half of the word the
answers get stored in, which is clearly bad. */
XtGetValues (parent, parent_args, XtNumber (parent_args));
XtTranslateCoords (parent, 0, parent_height / 2, &popup_x, &popup_y);
popup_args[0].value = popup_x;
popup_args[1].value = popup_y;
popup = XtCreatePopupShell ("message shell", transientShellWidgetClass,
parent, popup_args, XtNumber (popup_args));
/* We can't use XtNumber on `all_args', since it's a pointer. */
(void)
XtCreateManagedWidget ("message", labelWidgetClass, popup, all_args,
n_args + XtNumber (default_args));
/* XtPopup realizes the window, etc. */
XtPopup (popup, XtGrabNone);
/* Leave the message there for five seconds. */
(void) XtAppAddTimeOut (app_con, 5000, message_over, popup);
}
/* Just a convenient interface to the above. */
void
x_warning (Widget parent, string s)
{
x_message (parent, concat (s, "."), NULL, 0);
}
static void
message_over (XtPointer client_data, XtIntervalId *interval_id)
{
Widget popup = (Widget) client_data;
XtPopdown (popup);
}
#endif /* not X_DISPLAY_MISSING */
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