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\title{User Manual for wxWindows 1.50: a portable C++ GUI toolkit}
\winhelponly{\author{by Julian Smart, A.I. Applications Institute, University of Edinburgh\winhelponly{\\$$\image{1cm;0cm}{wxwin.wmf}$$}}}
\winhelpignore{\author{Julian Smart\\Artificial Intelligence Applications Institute\\
University of Edinburgh\\EH1 1HN}
\date{April 1994}
}
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\chapter*{Copyright notice}
\setheader{{\it COPYRIGHT}}{}{}{}{}{{\it COPYRIGHT}}%
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\begin{center}
Copyright (c) 1994 Artificial Intelligence Applications Institute,
The University of Edinburgh\\
\end{center}

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose is hereby granted without fee, provided that the
above copyright notice, author statement and this permission notice appear in
all copies of this software and related documentation.

THE SOFTWARE IS PROVIDED ``AS-IS'' AND WITHOUT WARRANTY OF ANY KIND, EXPRESS,
IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

IN NO EVENT SHALL THE ARTIFICIAL INTELLIGENCE APPLICATIONS INSTITUTE OR THE
UNIVERSITY OF EDINBURGH BE LIABLE FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR
CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT ADVISED OF THE POSSIBILITY OF
DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH
THE USE OR PERFORMANCE OF THIS SOFTWARE.

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\begin{helpglossary}
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\gloss{API}

Application Programmer's Interface - a set of calls and classes defining
how a library (in this case, wxWindows) can be used.

\gloss{Canvas}

A canvas in XView and wxWindows is a subwindow on which graphics (but
not panel items) can be drawn. It may be scrollable. A canvas has a
{\it device context}\/ associated with it.

\gloss{DDE}

Dynamic Data Exchange - Microsoft's interprocess communication protocol.
wxWindows provides an abstraction of DDE under both Windows and UNIX.

\gloss{Device context}

A device context is an abstraction away from devices such as windows,
printers and files. Code that draws to a device context is generic since
that device context could be associated with a number of different real
device. A canvas has a device context, although duplicate graphics calls
are provided for the canvas, so the beginner doesn't have to think in
terms of device contexts when starting out. wxWindows supports device
contexts for canvas, Windows printer, and Encapsulated PostScript files on UNIX.

\gloss{Dialog box}

In wxWindows a dialog box is a convenient way of popping up a window
with panel items, without having to explicitly create a frame and a
panel. A dialog box may be modal or modeless. A modal dialog does not
return control back to the calling program until the user has dismissed
it, and all other windows in the application are disabled until the
dialog is dismissed.  A modeless dialog is just like a normal window in
that the user can access other windows while the dialog is displayed.

\gloss{Frame}

Under XView (and wxWindows), a visible window usually consists of a
frame which contains zero or more subwindows, such as text subwindow,
canvas, and panel. Under Windows 3, windows can be nested arbitrarily,
but this is not currently supported in wxWindows.

\gloss{GNU C++}

A free, solid C++ compiler which may be used to compile the UNIX side of
wxWindows applications.

\gloss{GUI}

Graphical User Interface, such as Windows 3 or X.

\gloss{Menu bar}

A menu bar is a series of labelled menus, usually placed near the top
of a window. It is popular in Windows 3 and Motif applications, and as
such is a supported feature, but wxWindows has to `simulate' the menu
bar under XView by using a panel and several menu buttons.

\gloss{Metafile}

Microsoft Windows-specific object which may contain a restricted set of
GDI primitives. It is device independent, since it may be scaled without
losing precision, unlike a bitmap. A metafile may exist in a file or in
memory. wxWindows implements enough metafile functionality to use it to
pass graphics to other applications via the clipboard.

\gloss{Open Look}

A specification for a GUI `look and feel', initiated by Sun
Microsystems. XView is one toolkit for writing Open Look applications
under X, and wxWindows sits on top of XView.

\gloss{Panel}

A panel in XView and wxWindows terminology is a subwindow on which a
limited range of panel items (widgets or controls for user input) can be
placed. wxWindows allows panel items to be placed explicitly, or laid
out from left to right, top to bottom, which is a more platform
independent method since spacing is calculated automatically at run time.
Panel items cannot be placed on a canvas, which is specifically for
drawing graphics.

\gloss{RPC}

Remote Procedure Call - a method of interprocess communication akin to
procedure call, where the client process makes a call to a server, which
sends back a result. The AIAI-supplied PROLOGIO library supports a
simple RPC protocol based on DDE (but working under both UNIX and
Windows).

\gloss{Status line}

A status line is often found at the base of a window, to keep the user
informed (for instance, giving a line of description to menu items, as in the
{\bf hello} demo). XView has a status line (or footer) capability, but
wxWindows implements the feature explicitly under Windows 3 and Motif.

\gloss{Text subwindow}

In XView and Motif, a text subwindow is supplied for displaying and
retrieving text from a window. It has a rich set of features, only a
small subset of which is currently catered for by wxWindows.

\gloss{XView}

An X toolkit supplied by Sun Microsystems, initially just for porting
SunView applications to X, but which has become a popular toolkit in its
own right due to its simplicity of use. XView implements Sun's Open Look
`look and feel' for X, but is not the only toolkit to do so.

\end{helpglossary}

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\addcontentsline{toc}{chapter}{Index}
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