dev-cpp-users Mailing List for Dev-C++

Hi, thanks for all you help in the past. I'm studying C++ and haven't even
touched windows programming with c++. I'd like to find the best possible
book for my case scenario. I'm almost done with the "basics" for c++ and I'm
looking to move towards windows programming. I need a book which teaches me
windows from the scratch. However, I really don't know which way to go. The
newer books only talk about .NET and C#, while the so called "best" C++
books are from 1998, 99 and 2000. Would it be better to go ahead and buy one
of those books that talk about both or should I get done with win32 API
first before I move on to .NET/C#? Or should I even bother learning .NET?
A dream book would be a recent one that teaches how to built windows
application using win32 API with all its latest components and then guide me
through .NET

This is very important for me because with the little time I have to study,
I really can't afford to waist any time with the wrong or obsolete
reference.
I will appreciate any feedback you may provide.

Thanks

San

Hi,

Does anyone know where do I get a complete reference to the libraries which
includes are in .../include/g++-3 ?

TIA
Paulo Morgado

Guess the definition of _T("x")...

#if defined(_UNICODE) || defined(UNICODE)
#define _T(x) L##x
#else
#define _T(x) x
#endif

This is the OFFICIAL way of writing portable MFC or wxWindows programs.
The L"Hello world" concept requires you to change a huge number of strings
whenever you want to activate/deactivate unicode support.

As you can probably guess, all functions taking a string as a parameter
must also be specially handled.

// Microsoft
#if defined(_UNICODE) || defined(UNICODE)
#define _tcslen	wcslen
#else
#define _tcslen strlen
#endif

// wxWindows
size_t wxStrlen(const wxChar *s);

/Per W

On Sat, 19 Oct 2002, Ioannis Vranos wrote:

> > -----Original Message-----
> > From: Per Westermark [mailto:pw...@ia...] 
> > Sent: Saturday, October 19, 2002 2:26 PM
> > To: Ioannis Vranos
> > Cc: dev...@li...
> > Subject: RE: [Dev-C++] Make switch condition an enum
> > 
> > 
> > The _T(x) is a macro used by a Microsoft Developer Studio, 
> > the wxWindows
> > framework etc, to handle wide/non-wide, characters. All you 
> > have to do is
> > to #define _UNICODE (or sometimes #define UNICODE, or in wxWindows
> > #define wxUSE_UNICODE 1) to switch all "tagged"
> > strings to wide character strings.
> 
> 
> I do not know Win32 API-specific stuff but concerning ANSI C and ANSI
> C++ you can define a string literal as a wide character one by placing
> the capital letter L in front of it. For example consider the C90
> program:
> 
> 
> #include <stdio.h>
> #include <stddef.h>
> 
> int main()
> {
>  const wchar_t *ws=L"Wide character string";
> 
>  wprintf(L"%s\n", ws);
> 
>  return 0;
> }
> 
> 
> Ioannis
> 
> * Ioannis Vranos
> * Programming pages: http://www.noicys.freeurl.com
> * Alternative URL: http://run.to/noicys
> 
> 
> 
> 
> 
> 
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> 

> -----Original Message-----
> From: Per Westermark [mailto:pw...@ia...] 
> Sent: Saturday, October 19, 2002 2:26 PM
> To: Ioannis Vranos
> Cc: dev...@li...
> Subject: RE: [Dev-C++] Make switch condition an enum
> 
> 
> The _T(x) is a macro used by a Microsoft Developer Studio, 
> the wxWindows
> framework etc, to handle wide/non-wide, characters. All you 
> have to do is
> to #define _UNICODE (or sometimes #define UNICODE, or in wxWindows
> #define wxUSE_UNICODE 1) to switch all "tagged"
> strings to wide character strings.


I do not know Win32 API-specific stuff but concerning ANSI C and ANSI
C++ you can define a string literal as a wide character one by placing
the capital letter L in front of it. For example consider the C90
program:


#include <stdio.h>
#include <stddef.h>

int main()
{
 const wchar_t *ws=L"Wide character string";

 wprintf(L"%s\n", ws);

 return 0;
}


Ioannis

* Ioannis Vranos
* Programming pages: http://www.noicys.freeurl.com
* Alternative URL: http://run.to/noicys

There is the latest MINGW distribution which has GCC 3.2 and you can
find there:
=20
http://sourceforge.net/project/showfiles.php?group_id=3D2435
=20
=20
=20
or download it directly:
http://prdownloads.sourceforge.net/mingw/MinGW-2.0.0-3.exe?download
=20
=20
=20
Ioannis

* Ioannis Vranos
* Programming pages: http://www.noicys.freeurl.com
<http://www.noicys.freeurl.com/>=20
* Alternative URL: http://run.to/noicys
=20
=20
=20

-----Original Message-----
From: dev...@li...
[mailto:dev...@li...] On Behalf Of Andy
Elvey
Sent: Saturday, October 19, 2002 12:51 AM
To: dev...@li...
Subject: [Dev-C++] How to "re-point" Dev-cpp to use latest version of
g++


Hi.  I'm new to the list , and was wanting to know how to change Dev-cpp
so that it uses the latest version of g++. I'm using Win98.=20
I have cygwin on my PC which uses the latest g++ - version 3.2.  , and
just need to know  the Cygwin directories that Dev-cpp's "binaries",
"libraries" and "C++ includes" should be repointed to.  =20
=20
 Many thanks in advance ... :-)
=20
=20
=20

The _T(x) is a macro used by a Microsoft Developer Studio, the wxWindows
framework etc, to handle wide/non-wide, characters. All you have to do is
to #define _UNICODE (or sometimes #define UNICODE, or in wxWindows
#define wxUSE_UNICODE 1) to switch all "tagged"
strings to wide character strings.

/Per W

On Sat, 19 Oct 2002, Ioannis Vranos wrote:

> > -----Original Message-----
> > From: dev...@li... 
> > [mailto:dev...@li...] On Behalf 
> > Of Daniel Glenfield
> > Sent: Friday, October 18, 2002 2:45 PM
> > To: dev...@li...
> > Subject: [Dev-C++] Make switch condition an enum
> > 
> > 
> > 
> > Hi,
> > I have the following chunk of code, and I've been asked to 
> > make the switch 
> > (SomeError) statement use an enum. Well I was told to "make 
> > that an enum".
> > 
> > How would I create the enum and use it in the switch statement?
> 
> Enumerators are user defined integral types taking discrete, user
> defined values. For example:
> 
> // Mon=0, Tue=1, Wed=2, Thu=8, Fri=9 Sat=20 Sun=21
> enum Days { Mon, Tue, Wed, Thu=8, Fri, Sat=20, Sun};
> 
> 
> The above is the type. It does not occupy space the same as int, or a
> class does not occupy space by itself. Its objects do:
> 
> 
> Days oneday=Wed;
> 
> 
> switch(oneday)
> {
>  case Mon:
> // ...
> }
> 
> 
> > // Get error strings
> > switch (SomeError)
> > {
> >     case ERROR_ONE:
> >       DebugOut  = _T("Error One!");
> >       break;
> > 
> >     case ERROR_TWO:
> >       DebugOut  = _T("Error Two!");
> >       break;
> > 
> >     default:
> >       DebugOut  = _T("Unspecified error!");
> >       break;
> > }
> 
> 
> What is that _T you are using all the time anyway? It seems to me
> something like "boxing" (as it happens in .NET for example).
> 
> 
> 
> Ioannis
> 
> * Ioannis Vranos
> * Programming pages: http://www.noicys.freeurl.com
> * Alternative URL: http://run.to/noicys
> 
> 
> 
> 
> 
> 
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> 

Oops! What a messs, sorry in the answer I got an idea about a thing and
I forgot what I was writing...
Edit fonts.h or whatever file says that, search for the string
"yakyakdefineyakyakcase-insensitiveyakyak", that is inside an #error
directive, over it is a #idefs structure, search for the symbol for gcc,
you have to define it before including wx.h.

You have to edit fonts.h (perhaps other, I'm not sure, see the file which=
 produces that
message).
As I said there seems to be people who achieved to work with wxwindows, b=
ut I never. I
gave up and I deleted all wxwindows from my computer.

Louis Godio escribi=F3:

> Based on the Santiago's note, it seems like wxWindows is a lot of effor=
t
> to
> set up correctly. Could someone experienced with wxWindows tell us if i=
t
> is worth all this effort ?
>
> --- Santiago Palmier Campos <San...@yd...> wrote:
> > Hi *,
> >
> > If you don't use Dev-C++ package and you want to use wxWindows source=
s
> > 'by
> > yourself', there are only a few things you must do in order to use
> > wxWindows...
> >
> > Download wxWindows sources (from http://wxwindows.sourceforge.net/),
> > download also 'extra.zip' file (from http://wxwindows.sourceforge.net=
/
> > also,
> > but only if you don't use MSYS from http://mingw.sourceforge.net/) an=
d
> > then,
> > FIRST OF ALL, please read the file: %WXWIN%/docs/msw/install.txt
> >
> > You'll find everything you'll need in order to install it!!!
> >
> > Anyway here you have a 'Quick How To'...
> >
> > Set a few environment variables:
> >       WXWIN to the path where you decompressed wxWindows sources,
> >       if needed, BISON_SIMPLE & BISON_HAIRY to the complete path to f=
iles
> > (complete/path/to/folder/plus/filename.extension)
> >
> > Edit %WXWIN%\src\makeg95.env, search through the options and set them=
 to
> > the
> > appropriate values to fit your system needs; I just changed the
> > following
> > ones (keep in mind that these are MY values for WinAPI & MinGW
> > installation
> > ;o):
> >       MINGW32=3D1
> >       MINGW32VERSION=3D3.2
> >       YACC=3Dbison
> >       CPU=3Dpentium4
> >       COMPPATHS =3D -I"D:/WinAPI/include" -I"D:/MinGW/include"
> >       Perhaps you may want to include these two also:
> > -I"D:/MinGW/include/sys" -I"D:/MinGW/include/c++/3.2"
> >
> > ...And add the appropriate dirs to this one (keeping the original stu=
ff,
> > of
> > course):
> >       LDFLAGS =3D (...original stuff...) -L"D:/MinGW/lib"  -L"D:/WinA=
PI/lib"
> >
> > Then cd to %WXWIN%\src\msw and use make -f makefile.g95 clean / make =
-f
> > makefile.g95 and wait... That's all!!!
> > You'll have wxWindows ready to use (there are a few more options to u=
se
> > the
> > wxWindows DLL, so read the docs, please...)
> >
> > You'll only need to use a makefile like the following one, you only h=
ave
> > to
> > modify 'OBJECTS' to fit your needs:
> >       # Makefile for wxWindows (Mingw32).
> >       # WXDIR =3D D:/wxWindows/v2.3.3
> >
> >       TARGET=3DMyApp
> >       OBJECTS =3D $(TARGET).o MyFrame.o MyOtherStuff.o
> >
> >       include $(WXDIR)/src/makeprog.g95
> >
> > Hope this helps
> > Santy
> >
> > -----Original Message-----
> > From: Carlos Garc=EDa del Monte [mailto:cg...@wo...]
> > Sent: jueves, 17 de octubre de 2002 22:24
> > To: ma...@al...; dev-cpp-users-list
> > Subject: Re: [Dev-C++] WxWINDOW
> >
> >
> > Oh, sorry, I thought you got the package from dev home page, which is=
 a
> > devpak.
> >
> > What I did was this: (having gcc[C:\Dev-Cpp\Bin] in the path)
> > 1- I unpacked it to C:\wxMSW
> > 2 - open command.exe
> > 3 - cd to C:\wxMSW\src
> > 4 - type make -f makefile.g95 and wait, then I ran over some of the
> > other
> > folders seeing that in all of them the result was "make nothing to be
> > done
> > for all", so I gave it as built. Well, there were a couple of utiliti=
es
> > about dialog editor or something like that, I cd to there and make et=
c.
> >
> > The bad news are that I never could make it work, except for the
> > examples
> > that were with it, which compiled fine, I tried some examples for
> > Dev-C++
> > and I couldn't compile any one.
> >
> > The first you must do when making a project is define __GNUWIN32__ an=
d
> > define UNICODE, and define __WXMSW__
> >
> > And a lot of compiler options, linker parameters... search in the dev
> > mailing list, I don't remember when they answered me with all those
> > options
> > you must provide, more or less six or seven months ago or before.
> >
> >
> >
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> >
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Because GCC3.2 compiles with thunks as default.

Ioannis Vranos escribi=F3:

> >From: Daniel =C5kerud <zi...@ho...>
> >To: <dev...@li...>
> >Subject: [Dev-C++] -fvtable-thunks and CRASH!
> >Date: Wed, 16 Oct 2002 07:45:03 +0200
> >
> >
> >At last I found the problem!
> >compiling with -fvtable-thunks is causing this simple program to crash=
:
> >
> >
> >#include <iostream>
> >#include <sstream>
> >
> >using std::stringstream;
> >
> >int main()
> >{
> >     stringstream s;
> >     s << endl;
> >
> >     return 0;
> >}
> >
> >
> >Why? How can I solve it?
> >If you ask why I use -fvtable-thunks it's because I code in directX!
> >
> >thanks!
> >
> >Daniel =C5kerud
>
> A proper one version:
>
> #include <iostream>
> #include <sstream>
>
> int main()
> {
>  using std::stringstream;
>  using std::endl;
>
>  stringstream s;
>  s << endl;
>
>  return 0;
> }
>
> With GCC 3.2 it doesn't crash but it produces:
>
> C:\c>g++ -fvtable-thunks temp.cpp -o temp
> cc1plus.exe: warning: -fvtable-thunks is no longer supported
>
> C:\c>temp
>
> C:\c>
>
> Ioannis
>
> * Ioannis Vranos
> * Programming pages: http://www.noicys.freeurl.com
> * Alternative URL: http://run.to/noicys
>
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