Going for a Graphical UI

This is a discussion on Going for a Graphical UI within the C++ Programming forums, part of the General Programming Boards category; I'm becoming pretty bored of the plain-old console. While I was looking for portable GUIs, I went over QT and ...

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    Going for a Graphical UI

    I'm becoming pretty bored of the plain-old console. While I was looking for portable GUIs, I went over QT and wx. there's also V, but it's damn outdated.

    QT is way over my head - and well, i've toyed around with the wx examples, but none worked. I've modified resources, paths, and in the end it looked like one library file was missing. Ah well.

    Since I am working with devc++, i found out that a RAD devc++ in a very visual basic style exists, called wx-devc++.

    Should I use that for GUI development? Forms generated with the app compile from the first try, it seems pretty easy to use, too..

    thanks

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    Registered User kroiz's Avatar
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    I use QT at work and it is really great, but it is not free for comerrcial use and very expensive.

    On the other hand gtk is free for comercial use (I think) and looks very attractive to me.
    I suggest you check it out.

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    wxwidgets is really hard to get to work under windows but if it runs it is very pleasant to develop with it.

    If you are not under pressure maybe have a look at http://www.ultimatepp.org/
    its an ide and a gui toolkit and not very many programmers seems to know about it. But I've had no time to try it myself yet.

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    Wait, this GTK is a something that will create a set of functions/libraries that will make a GUI or is a GUI? That "toolkit" word is really intriguing.

    meh, pheres. wxdevc++ has it working from the start. I drew out a bunch of buttons and "controls" and it compiled just fine. Even some code to react went fine. My problem is that I can't have a main, or I don't get the way wx apps work.
    Last edited by _izua_; 08-11-2007 at 11:32 AM.

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    C++ Witch laserlight's Avatar
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    My problem is that I can't have a main, or I don't get the way wx apps work.
    It looks like you don't get the way wx apps work. Take a look at some of the tutorials on wxwidgets.org, one of those that I found has the macro IMPLEMENT_APP implement main() for you, using wxApp child class that you write.
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    Laserlight, can't find that one. If it's no bother, let me know the url.

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    C++ Witch laserlight's Avatar
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    Looking at the sidebar to the right of the WxWidgets homepage, I see a link to tutorials. The first tutorial on the list states:
    As in all programs there must be a "main" function. Under wxWidgets main is implemented using this macro, which creates an application instance and starts the program.

    IMPLEMENT_APP(MyApp)
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    Oh, i understood from the initial post that the macro is used inside main. And I checked all of them to find main

    Meh, this is hard. The macro says where it starts, but it doens't have curly brackets as main(). Also, I can't get it where the program is looping, to keep the window "alive" ? It's like another programming language.

    But at last, the wx examples compile

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    C++ Witch laserlight's Avatar
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    The macro says where it starts, but it doens't have curly brackets as main(). Also, I can't get it where the program is looping, to keep the window "alive" ?
    From the looks of it, IMPLEMENT_APP will create a main() function that calls OnInit() from a MyApp object. If so, you can effectively treat OnInit() as the main() function.

    It's like another programming language.
    That is what happens when you learn another programming interface.
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    Registered User kroiz's Avatar
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    Quote Originally Posted by _izua_ View Post
    Wait, this GTK is a something that will create a set of functions/libraries that will make a GUI or is a GUI? That "toolkit" word is really intriguing.

    wikipedia page about gui toolkits

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    Registered User MacNilly's Avatar
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    If you want to be windows specific, you should learn the Win32 API directly. If you want to be portable, learn a 3rd party portable library such as those described above. If it were me, I would learn the portable library.

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    I'm toying with WX for a few hours, but I can't get a few widgets to work. the slider and scrollbar, for example - the compiler gives me "x is not declared" for any of their function i try to use (including getValue() which is really annoying), however, I see them in the popup menu with the class' members.

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    Registered User MacNilly's Avatar
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    Most likey a problem with your code, not wxWidgets.

    Win32 API is as native as you can get so the code to even implement a simple window is extremely complex. Your best bet is probably what you are using, just keep experimenting.

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    Qt is great. They are also offering an open source version. This takes a bit more setting up, but its worth it!

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    Quote Originally Posted by MacNilly View Post
    If you want to be windows specific, you should learn the Win32 API directly.
    I wouldn't recommend it. Even if you just want to be Windows specific, Win32 API is difficult and complex. There are many frameworks, including those for Windows only, that does a much better job at hiding the complexities of the underlying API or makes everything much easier.
    Quote Originally Posted by Adak View Post
    io.h certainly IS included in some modern compilers. It is no longer part of the standard for C, but it is nevertheless, included in the very latest Pelles C versions.
    Quote Originally Posted by Salem View Post
    You mean it's included as a crutch to help ancient programmers limp along without them having to relearn too much.

    Outside of your DOS world, your header file is meaningless.

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