diff options
Diffstat (limited to 'doc/src/qt4-intro.qdoc')
| -rw-r--r-- | doc/src/qt4-intro.qdoc | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/doc/src/qt4-intro.qdoc b/doc/src/qt4-intro.qdoc index 3cabb1cd26..41848e9c89 100644 --- a/doc/src/qt4-intro.qdoc +++ b/doc/src/qt4-intro.qdoc @@ -241,7 +241,9 @@ \section1 Build System Unlike previous Qt releases, Qt 4 is a collection of smaller - libraries: + libraries. A complete list of libraries in the current release + of Qt can be found on the \l{All Modules} page. The following + table describes the initial set of libraries released with Qt 4. \table \header \o Library \o Description @@ -276,11 +278,11 @@ link your application against QtCore and QtGui. To remove the dependency upon QtGui, add the line - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 0 + \snippet doc/src/snippets/code/doc_src_qt4-intro.pro 0 to your .pro file. To enable the other libraries, add the line - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 1 + \snippet doc/src/snippets/code/doc_src_qt4-intro.pro 1 Another change to the build system is that moc now understands preprocessor directives. qmake automatically passes the defines set @@ -290,21 +292,21 @@ To compile code that uses UI files, you will also need this line in the .pro file: - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 2 + \snippet doc/src/snippets/code/doc_src_qt4-intro.pro 2 \section1 Include Syntax The syntax for including Qt class definitions has become - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 3 + \snippet doc/src/snippets/code/doc_src_qt4-intro.cpp 3 For example: - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 4 + \snippet doc/src/snippets/code/doc_src_qt4-intro.cpp 4 This is guaranteed to work for any public Qt class. The old syntax, - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 5 + \snippet doc/src/snippets/code/doc_src_qt4-intro.cpp 5 still works, but we encourage you to switch to the new syntax. @@ -318,7 +320,7 @@ To include the definitions for all the classes in a library, simply specify the name of that library. For example: - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 6 + \snippet doc/src/snippets/code/doc_src_qt4-intro.cpp 6 \section1 Namespaces @@ -330,7 +332,7 @@ to access a constant that is part of the Qt namespace, prefix it with \c{Qt::} (e.g., \c{Qt::yellow}), or add the directive - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 7 + \snippet doc/src/snippets/code/doc_src_qt4-intro.cpp 7 at the top of your source files, after your \c #include directives. If you use the \c{using namespace} syntax you don't @@ -360,7 +362,7 @@ \list \o Code that used it looked confusing, for example: - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 8 + \snippet doc/src/snippets/code/doc_src_qt4-intro.cpp 8 \c label1 is a QLabel that displays the text "Hello"; \c label2 is a QLabel with no text, with the object name @@ -370,7 +372,7 @@ they blindly followed Qt's convention and provided a "const char *name" in their subclasses's constructors. For example: - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 9 + \snippet doc/src/snippets/code/doc_src_qt4-intro.cpp 9 \o The name parameter was in Qt since version 1, and it always was documented as: "It is not very useful in the current @@ -405,12 +407,12 @@ Here's the Qt 3 idiom to cast a type to a subtype: - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 10 + \snippet doc/src/snippets/code/doc_src_qt4-intro.cpp 10 The Qt 4 idiom is both cleaner and safer, because typos will always result in compiler errors: - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 11 + \snippet doc/src/snippets/code/doc_src_qt4-intro.cpp 11 \section1 QPointer<T> @@ -421,7 +423,7 @@ Example: - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 12 + \snippet doc/src/snippets/code/doc_src_qt4-intro.cpp 12 QPointer<T> is more or less the same as the old QGuardedPtr<T> class, except that it is now implemented in a much more lightweight manner @@ -461,7 +463,7 @@ To enable the Qt 3 support classes and functions, add the line - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 13 + \snippet doc/src/snippets/code/doc_src_qt4-intro.pro 13 to your \c .pro file. @@ -469,18 +471,18 @@ in a compiler warning (e.g., "'find' is deprecated"). If you want to turn off that warning, add the line - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 14 + \snippet doc/src/snippets/code/doc_src_qt4-intro.pro 14 to your \c .pro file. If you want to use compatibility functions but don't want to link against the Qt3Support library, add the line - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 15 + \snippet doc/src/snippets/code/doc_src_qt4-intro.pro 15 or - \snippet doc/src/snippets/code/doc_src_qt4-intro.qdoc 16 + \snippet doc/src/snippets/code/doc_src_qt4-intro.pro 16 to your \c .pro file, depending on whether you want compatibility function calls to generate compiler warnings or not. |