Qt 4.0 Beta 2 Released

FLTK ( http://fltk.org ) is not as feature rich as Qt or GTK+ but it’s

-much easier to learn

-produces small, FAST, statically linked binaries

-cross platform win32, *nix, OSX

-comes with free graphical gui builder FLUID

http://fltk.org/links.php?V19

Never mind I just read this:

The button is set up to display the text “Hello world!”. Because we don’t specify a parent window (as second argument to the QPushButton constructor), the button will be a window of its own, with its own window frame and title bar.

Since you can only have one top-level event loop in a GUI app, Qt only allows you to instantiate one QApplication object. This object is referred to be the qApp pointer. Since there is only one QApplication, it’s redundent to specify which QApplication the QButton belongs to.

Since you can only have one top-level event loop in a GUI app, Qt only allows you to instantiate one QApplication object. This object is referred to be the qApp pointer. Since there is only one QApplication, it’s redundent to specify which QApplication the QButton belongs to.

reminds me of MFC and the theApp object…

and (in contrast) of something i read on the page of a toolkit library ( http://www.nedprod.com/TnFOX/ ) whose author mentions support for “Per-thread event loops”…

“Does Qt has a official GUI designer?

Or just come with the framework?”

It has a GUI Designer, a help navigator and a translation tool (not to mention the command-line tools it uses too).

Does Qt has a official GUI designer?

Yep, Qt Designer, which you can run stand-alone or integrate it into KDevelop or Visual Studio.

lovely, now get cracking and release KDE4 shortly after, i want my SUSE running KDE4, not to mention Samba4, compiled with GCC4, and running on Reiser4. speed demon ahoy.

For small development shop, I won’t choose qt.

Then you’ve never worked in a small development shop. You want to see how much they do spend on software, MSDN subscriptions and Java IDEs!

Anyone else find it ironic that gtkmm is a better C++ binding to gtk+ than what exists nativly with QT? QT was unfortunatly started before the 1998 C++ standard and really doesn’t feel like C++ because they do things their own way.

They do things their own way because the C++ standard is utter crap in terms of getting things done. Qt is for people who want to get work done and write cleaner, and less, code. Considering that Qt also contributes in development to free applications and desktop environments that you can use, it is more than worth the price.

Garbage collector and better price baby.

Garbage collector or no garbage collector, Java applications consume a huge amount of memory, are far too slow and ironically have a large amount of platform-specific issues on anything that isn’t Windows. Being a cross-platform technology that is .

Most people who do any development for a living also need proper development tools for Java, many of which aren’t cheap. Here’s a hint – normal people don’t develop in vi or emacs.

Qt4 supports per-thread event loops. In Qt4, the “main” event loop is attached to the QCoreApplication, and each QThread can have it’s own event loops. QObject’s created in each thread belong to that thread.

http://doc.trolltech.com/4.0/threads.html#per-thread-event-loop

What paranoia? Aren’t you a GNOME fan? It’s a compliment, I am not bashing you.

Then I guess Im the paranoic.

It’s true that the cost of a QT licence is negligible compared to the other costs is software development. The important thing about QT is that it runs out of the box, has excellent manuals and tutorials, these alone save a developer many many hours (hence dollars) of time.

As nice as QT is, the one thing that is poor is the GUI designer. I am used to VSNET and Delphi type designers, they’re very simple to use, one can rapidly put together a basic GUI is no time, event handling is particularly easy. I notice that the QT4 designer is a quite different design from QT3, and from my perspective, it’s backward step. The new design has floating windows compared to the earlier one which had one window with everything neatly contained. The new version has a odd way to deal with events, one now has to draw the event link using the mouse, before one would just click on a component, eg a button and write the code, I stil havn’t figure out yet where I write the code. The new version has two editing modes, design and event handling, one has to consiously switch from one to the other. With other GUI design tools, there is no separation.

In summary I think the new designer is more complex and certainly no where near as productive as some of the existing competition.

Did you bother to read the other comments before posting?

Here is a sample for you:

Garbage collector or no garbage collector, Java applications consume a huge amount of memory, are far too slow and ironically have a large amount of platform-specific issues on anything that isn’t Windows. Being a cross-platform technology that is .

Most people who do any development for a living also need proper development tools for Java, many of which aren’t cheap. Here’s a hint – normal people don’t develop in vi or emacs.

David (IP: —.freedom2surf.net)

And more:

In short, Java is cross platform only as long as you run it windows, QT works well in most places. Of course you could use swt on Linux, but then you’r in trouble if you want to print.

Uno Engborg (IP: —.sp.m.bonet.se)

And more:

>Better use Java, has the same, better reputation and is cheaper.

If you accept the overhead, then yes. If you are coding a memory efficient, lean and mean app, then Qt is the way to go.

By Amadeo

Great, now that’s something constuctive

“I’ve been using GCJ for almost a year on Linux/BSD and Windows(MinGW) and performance is fantastic!”

Good for you. This is not as stable, supported and efficient as Qt, but it is indeed a great option, one that is maturing quickly.

“Wow, how about ECLIPSE, you know the IDE used by more than 60% of Java developers. Moron.”

How polite. This has been said as well (if you bothered to read the comments) above. And I agree. Eclipse is great.

Java is a very nice option, indeed. But Qt has its advantages as well.

You are not constructive anymore

“Scribus setup.exe link please. Oh yeah, there isnt one.”

Qt3 is not GPL for windows. Qt4 will be. That is why I said that GPL Qt apps will (note the tense) run on windows.

“QT is shit for everything else. Deal with it.”

What are you doing in this tread then? Get lost.

“WILL, future tense, the GPL Windows version isn’t out yet.”

QT3 apps will still not work with QT4. Duh

“What does QT offer that you can’t live without?”

Speed, economy of resources, great api (I can’t stress this enough), support, documentation, stability. It is truly multi platform, it has almost all the useful java classes without alot of the clutter, and more.

Have you ever tried Qt?

Amadeo:

“Are you aware that all GPL Qt apps will run in windows”

Maybe you should read next time. Scribus will have to be ported to QT4.

Maybe you should read next time. Scribus will have to be ported to QT4.

Just like Gtk2 apps will have to be ported to Gtk3. So?

“Maybe you should read next time. Scribus will have to be ported to QT4.”

Just like Gtk2 apps will have to be ported to Gtk3. So?

So it will have the option to run natively on windows. GTK for windows is not the main platform. It is buggy and lgs behind. Qt for windows is the main platform for Qt. Qt for windows is the main source of Trolltech’s income. It is a professional grade tool.

But then again, I don’t use windows, and I only care for that as long as it brings new users/developers for the foss world.

http://doc.trolltech.com/4.0/porting4.html

There is also an automatic tool available.

>QT3 apps such as Scribus will not run on QT4.

>or you would know that QT3 apps such as Scribus will not run on QT4.

>Go away poser.

In contrast to you I’d guess perhaps he has even read the anoncement, and he even mange to read other posts. If you had read the article meant to be discussed in this thread, you would perhaps have learned of few things. Like the qt3support http://doc.trolltech.com/4.0/qt3support.html library in Qt4 or the Qt 3 to 4 porting tool http://doc.trolltech.com/4.0/qt3to4.html . With those tools and the skill demonstrated so far by the Scribus hackers I’d reccon they do a quick Qt4 port in an afternoon. Since you don’t understand that, perhaps it is you who are not a developer. Or you are so blinded by using inferior tools you can’t grasp the concept of efficient ways to work.

Then you’ve never worked in a small development shop. You want to see how much they do spend on software, MSDN subscriptions and Java IDEs!

I have a small development shop. And all developer tools of my company (Delphi7 and Kylix professional, Visual Basic, JBuilder) are clean. Kylix and Delphi with clx was a relative good development environment for me, but Kylix/CLX line on Borland seems discontinued. It is very sad for me. I want to choose a new development environment. Because I develop business applications, the following things are very important for me:

– Stable company and product line behind the platform (I don’t want another Kylix like fisaco).

– The multiplatform is very nice thing, I really like linux, but the most of users are use windows.

– Good multi-tier support, I want to create both web and traditional GUI based applications.

– Good IDE or RAD tool. It is a one-man show, I need a very effective environment. Before Kylix I used wxWindows (now wxWidgets), but when my program growed up to 50 forms, many reports and > 20 000 lines of code, the maintain and modification of the code begin to very hard.

– Good database support.

– Report generators. I wrote my own RG in Kylix, but I don’t want to write new one.

– Real programming language (I hate the “dynamic typing” and the script languages.

I see some environment, and IMHO at this moment the best solution the M$ Visual Studio, because:

– It is relative cheap (the prof cheaper then Qt)

– Relative good RAD tool with good CASE tool support.

– The M$ seems stable enought.

– ADO.NET is not a bad thing.

– C# is very sympathic for me.

– Relative good report tools.

– With mono it is multiplatform.

The second is the Java platform:

– The Java developer tools also relative goods, and some free solutions are relative good (Eclipse, NetBeans). But IMHO the VS better if I compared the price and quality.

– I don’t know how stable the SUN, and if it out of business what will happen with java ?

– JDBC is very good low level database interface, and every RDBMS support it, but I don’t find any higher level interface (like DataBindings in .NET or datab bound controls in Delphi VCL).

– Java is also relative good C-like language, but IMHO C# is better.

– Relative good report tools.

– It seems the best multiplatform solution.

I also tested some other environments:

– C++/wxWidgets. It is relative good multiplatform solution, with Dev-C++ wxWidgets plugin it is very similar to RAD environment. The database suppport is very poor (odbc with not too good wrapper), the print support useable but with very low level API.

– C++/Qt. With KDevelop it seems also useable, but very expensive if I compare it to M$VS, and the price/qualty is very bad if you don’t want to create open source application. The database support exists, but only for few RDBMS. The printing api also not too high level, and I don’t know any QT based reporting tool for windows.

– Lazarus/Free Pascal. It is a relative good if you want to create single-tier application. But a little bit buggy, and I don’t like Pascal, my next environment will use C-like languge. The database support is not too good, but better then wx, the printer support seems same as the Delphi TPrinter.

I’am sorry if my english is not too good, and if this post is a little bit offtopic, but I want to see my (and IMHO the most of little-or bigger software company) aspects.

What world do you live in?

Do you know something called Eclipse?

Eclipse gives you nothing by itself. You have to download or buy extensions to get it to do the things you want it to do.

Actually do some work before making extremely stupid comments. That’s par for the course round here though, isn’t it?

Why do people even mention it? Wow it costs you the equivalent of a couple of weeks wages for a crappy programmer. Have you people ever had a job ? Lol

What Linux distro do you use? Any special Xprint settings?

Are you using the Gtk or the Motif version of Eclipse?

You’re joking right? Wages here are betwen 60 and 80 dollars an hour, it will take 4 days roughly to recover the costs of a QT licence, the fact that it just works out of the box means that you get that money back many times over from productivity alone. I presume you must work in India, or China?

No, those are actually ordinary wages and salaries (mainly in full-time employment) on a par in the real world, even in many western countries. People in India and China get payed far, far, far, far less than even that. Of course many areas in any one country are going to be richer or poorer, and then there are the short-term contractor rates.

God, if you’re expecting between 60 and 80 dollars an hour simply as a matter of course though then no wonder stuff is being outsourced abroad.

The web address is a dead giveaway though .

That’s what an average to good freelance worker earns over here (it has to cover everything: Taxes, social security, med care, times of unemployment, …).

The *real* cost of a person that is employed full-time is not too different, and I think that’s about true for Belgium, too. This is not only about wages! Of course those are much lower.

Note that I said crappy programmer. A good one will cost you more obviously