Programs Using QT
-
I have post some of the programs using QT framework.
Please go through the posts and give your feed back.
http://www.boostprogramming.com/forum/index.php/board,178.0.html -
Hi,
I've browsed roughly through some of the examples and my overall impression is that they complicate things unnecessarily.
For example the hello world program:
@
QApplication a(argc, argv);
boost::shared_ptr < QLabel > QLabelPtr ( new QLabel("<h2>Hello ""<font color=red>World!</font></h2>") ) ;
QLabelPtr ->show () ;
return a.exec();
@
I mean - what is the point here?
Why another giant library (boost) just for the shared_ptr when there's QSharedPointer already in Qt?
Why a pointer at all?
In case of hello world this would be a lot easier:
@
QApplication a(argc, argv);
QLabel label("<h2>Hello <font color=red>World!</font></h2>") ;
label.show () ;
return a.exec();
@Another example:
@
if ( daysRemaining == 0 )
{
std::cout << d2.toString().toStdString() << " is Monday " << std::endl;
}
else if ( daysRemaining == 1 )
{
std::cout << d2.toString().toStdString() << " is Tuesday " << std::endl;
}
else if ( daysRemaining == 2 )
{
...
@
This is terrible! Why not simply:
@
QVector days;
days << "Monday" << "Tuesday" << ...
std::cout << ... << days[daysRemaining] << ...
@One more:
@
QList<QString> list ;
list.push_back ("Kranthi");
list.push_back ("Kumar");
list.push_back ("Reddy");
QList<QString>::const_iterator listIter = list.begin();
while (listIter != list.end() )
{
std::cout << listIter->toStdString().c_str() << std::endl;
listIter ++ ;
}
@
Again this can be greatly simplified:
@
QList<string> list ;
list << "Kranthi" << "Kumar" << ...
foreach(const string& s, list)
cout << s.c_str() << endl;
@
Or even:
@
QStringList list;
list << "Kranthi" << "Kumar" << ...
qDebug() << list;
@
There are lots and lots of things like that. I just don't have time to look at them all but I'm afraid they mostly need a rewrite. -
Implement the second review comment.
http://www.boostprogramming.com/forum/index.php/topic,216.0.html
