/doc/src/snippets/dockwidgets/Resources/qtcore.html

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  7.     <title>Qt 4.0: QtCore Classes</title>
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  19. <h1 align="center">QtCore Classes</h1>
    20. 

  20. <p><table width="100%">
    21. 

  21. <tr valign="top" bgcolor="#f0f0f0"><td><b>QAbstractEventDispatcher</b></td><td>Manages Qt's event queue, excluding GUI-related events</td></tr>
    22. 

  22. <tr valign="top" bgcolor="#f0f0f0"><td><b>QAbstractItemModel</b></td><td>The abstract interface for item model classes</td></tr>
    23. 

  23. <tr valign="top" bgcolor="#f0f0f0"><td><b>QAbstractListModel</b></td><td>Abstract model that can be subclassed to create one-dimensional list models</td></tr>
    24. 

  24. <tr valign="top" bgcolor="#f0f0f0"><td><b>QAbstractTableModel</b></td><td>Abstract model that can be subclassed to create table models</td></tr>
    25. 

  25. <tr valign="top" bgcolor="#f0f0f0"><td><b>QBasicTimer</b></td><td>Timer events for </td></tr>
    26. 

  26. <tr valign="top" bgcolor="#f0f0f0"><td><b>QBitArray</b></td><td>Array of bits</td></tr>
    27. 

  27. <tr valign="top" bgcolor="#f0f0f0"><td><b>QBuffer</b></td><td>QIODevice interface for a QByteArray</td></tr>
    28. 

  28. <tr valign="top" bgcolor="#f0f0f0"><td><b>QByteArray</b></td><td>Array of bytes</td></tr>
    29. 

  29. <tr valign="top" bgcolor="#f0f0f0"><td><b>QByteArrayMatcher</b></td><td>Holds a sequence of bytes that can be quickly matched in a byte array</td></tr>
    30. 

  30. <tr valign="top" bgcolor="#f0f0f0"><td><b>QCache</b></td><td>Template class that provides a cache</td></tr>
    31. 

  31. <tr valign="top" bgcolor="#f0f0f0"><td><b>QChar</b></td><td>16-bit Unicode character</td></tr>
    32. 

  32. <tr valign="top" bgcolor="#f0f0f0"><td><b>QChildEvent</b></td><td>Event parameters for child object events</td></tr>
    33. 

  33. <tr valign="top" bgcolor="#f0f0f0"><td><b>QCoreApplication</b></td><td>Event loop for Qt applications</td></tr>
    34. 

  34. <tr valign="top" bgcolor="#f0f0f0"><td><b>QCustomEvent</b></td><td>Support for custom events</td></tr>
    35. 

  35. <tr valign="top" bgcolor="#f0f0f0"><td><b>QDataStream</b></td><td>Serialization of binary data to a QIODevice</td></tr>
    36. 

  36. <tr valign="top" bgcolor="#f0f0f0"><td><b>QDate</b></td><td>Date functions</td></tr>
    37. 

  37. <tr valign="top" bgcolor="#f0f0f0"><td><b>QDateTime</b></td><td>Date and time functions</td></tr>
    38. 

  38. <tr valign="top" bgcolor="#f0f0f0"><td><b>QDir</b></td><td>Access to directory structures and their contents</td></tr>
    39. 

  39. <tr valign="top" bgcolor="#f0f0f0"><td><b>QEvent</b></td><td>The base class of all event classes. Event objects contain event parameters</td></tr>
    40. 

  40. <tr valign="top" bgcolor="#f0f0f0"><td><b>QFile</b></td><td>Interface for reading from and writing to files</td></tr>
    41. 

  41. <tr valign="top" bgcolor="#f0f0f0"><td><b>QFileEngine</b></td><td>Abstraction for accessing the filesystem</td></tr>
    42. 

  42. <tr valign="top" bgcolor="#f0f0f0"><td><b>QFileEngineHandler</b></td><td>Allows custom QFileEngines to be plugged into Qt</td></tr>
    43. 

  43. <tr valign="top" bgcolor="#f0f0f0"><td><b>QFileInfo</b></td><td>System-independent file information</td></tr>
    44. 

  44. <tr valign="top" bgcolor="#f0f0f0"><td><b>QHash</b></td><td>Template class that provides a hash-table-based dictionary</td></tr>
    45. 

  45. <tr valign="top" bgcolor="#f0f0f0"><td><b>QIODevice</b></td><td>The base interface class of all I/O devices in Qt</td></tr>
    46. 

  46. <tr valign="top" bgcolor="#f0f0f0"><td><b>QLatin1Char</b></td><td>8-bit ASCII/Latin-1 character</td></tr>
    47. 

  47. <tr valign="top" bgcolor="#f0f0f0"><td><b>QLatin1String</b></td><td>Thin wrapper around an ASCII/Latin-1 encoded string literal</td></tr>
    48. 

  48. <tr valign="top" bgcolor="#f0f0f0"><td><b>QLibrary</b></td><td>Loads shared libraries at runtime</td></tr>
    49. 

  49. <tr valign="top" bgcolor="#f0f0f0"><td><b>QLibraryInfo</b></td><td>Information about the Qt library</td></tr>
    50. 

  50. <tr valign="top" bgcolor="#f0f0f0"><td><b>QLine</b></td><td>Two-dimensional vector that uses integer point coordinates for accuracy</td></tr>
    51. 

  51. <tr valign="top" bgcolor="#f0f0f0"><td><b>QLineF</b></td><td>Two-dimensional vector that uses floating point coordinates for accuracy</td></tr>
    52. 

  52. <tr valign="top" bgcolor="#f0f0f0"><td><b>QLinkedList</b></td><td>Template class that provides linked lists</td></tr>
    53. 

  53. <tr valign="top" bgcolor="#f0f0f0"><td><b>QList</b></td><td>Template class that provides lists</td></tr>
    54. 

  54. <tr valign="top" bgcolor="#f0f0f0"><td><b>QLocale</b></td><td>Converts between numbers and their string representations in various languages</td></tr>
    55. 

  55. <tr valign="top" bgcolor="#f0f0f0"><td><b>QMap</b></td><td>Template class that provides a skip-list-based dictionary</td></tr>
    56. 

  56. <tr valign="top" bgcolor="#f0f0f0"><td><b>QMetaClassInfo</b></td><td>Additional information about a class</td></tr>
    57. 

  57. <tr valign="top" bgcolor="#f0f0f0"><td><b>QMetaEnum</b></td><td>Meta data about an enumerator</td></tr>
    58. 

  58. <tr valign="top" bgcolor="#f0f0f0"><td><b>QMetaMember</b></td><td>Meta data about a member function</td></tr>
    59. 

  59. <tr valign="top" bgcolor="#f0f0f0"><td><b>QMetaObject</b></td><td>Meta information about Qt objects</td></tr>
    60. 

  60. <tr valign="top" bgcolor="#f0f0f0"><td><b>QMetaProperty</b></td><td>Meta data about a property</td></tr>
    61. 

  61. <tr valign="top" bgcolor="#f0f0f0"><td><b>QMetaType</b></td><td>Manages named types in the meta object system</td></tr>
    62. 

  62. <tr valign="top" bgcolor="#f0f0f0"><td><b>QMimeData</b></td><td>Container for data that records information about its MIME type</td></tr>
    63. 

  63. <tr valign="top" bgcolor="#f0f0f0"><td><b>QModelIndex</b></td><td>Used to locate data in a data model</td></tr>
    64. 

  64. <tr valign="top" bgcolor="#f0f0f0"><td><b>QMultiHash</b></td><td>Convenience QHash subclass that provides multi-valued hashes</td></tr>
    65. 

  65. <tr valign="top" bgcolor="#f0f0f0"><td><b>QMultiMap</b></td><td>Convenience QMap subclass that provides multi-valued maps</td></tr>
    66. 

  66. <tr valign="top" bgcolor="#f0f0f0"><td><b>QMutex</b></td><td>Access serialization between threads</td></tr>
    67. 

  67. <tr valign="top" bgcolor="#f0f0f0"><td><b>QMutexLocker</b></td><td>Convenience class that simplifies locking and unlocking mutexes</td></tr>
    68. 

  68. <tr valign="top" bgcolor="#f0f0f0"><td><b>QObject</b></td><td>The base class of all Qt objects</td></tr>
    69. 

  69. <tr valign="top" bgcolor="#f0f0f0"><td><b>QObjectCleanupHandler</b></td><td>Watches the lifetime of multiple QObjects</td></tr>
    70. 

  70. <tr valign="top" bgcolor="#f0f0f0"><td><b>QPair</b></td><td>Template class that stores a pair of items</td></tr>
    71. 

  71. <tr valign="top" bgcolor="#f0f0f0"><td><b>QPersistentModelIndex</b></td><td>Used to locate data in a data model</td></tr>
    72. 

  72. <tr valign="top" bgcolor="#f0f0f0"><td><b>QPluginLoader</b></td><td>Loads a plugin at runtime</td></tr>
    73. 

  73. <tr valign="top" bgcolor="#f0f0f0"><td><b>QPoint</b></td><td>Defines a point in the plane</td></tr>
    74. 

  74. <tr valign="top" bgcolor="#f0f0f0"><td><b>QPointF</b></td><td>Point object that uses floating point coordinates for accuracy</td></tr>
    75. 

  75. <tr valign="top" bgcolor="#f0f0f0"><td><b>QPointer</b></td><td>Template class that provides guarded pointers to QObjects</td></tr>
    76. 

  76. <tr valign="top" bgcolor="#f0f0f0"><td><b>QProcess</b></td><td>Used to start external programs and to communicate with them</td></tr>
    77. 

  77. <tr valign="top" bgcolor="#f0f0f0"><td><b>QQueue</b></td><td>Generic container that provides a queue</td></tr>
    78. 

  78. <tr valign="top" bgcolor="#f0f0f0"><td><b>QReadLocker</b></td><td>Convenience class that simplifies locking and unlocking read-write locks for read access</td></tr>
    79. 

  79. <tr valign="top" bgcolor="#f0f0f0"><td><b>QReadWriteLock</b></td><td>Read-write locking</td></tr>
    80. 

  80. <tr valign="top" bgcolor="#f0f0f0"><td><b>QRect</b></td><td>Defines a rectangle in the plane</td></tr>
    81. 

  81. <tr valign="top" bgcolor="#f0f0f0"><td><b>QRectF</b></td><td>Defines a rectangle in the plane using floating point coordinates for accuracy</td></tr>
    82. 

  82. <tr valign="top" bgcolor="#f0f0f0"><td><b>QRegExp</b></td><td>Pattern matching using regular expressions</td></tr>
    83. 

  83. <tr valign="top" bgcolor="#f0f0f0"><td><b>QResource</b></td><td>Access to application resource data</td></tr>
    84. 

  84. <tr valign="top" bgcolor="#f0f0f0"><td><b>QSemaphore</b></td><td>General counting semaphore</td></tr>
    85. 

  85. <tr valign="top" bgcolor="#f0f0f0"><td><b>QSet</b></td><td>Template class that provides a hash-table-based set</td></tr>
    86. 

  86. <tr valign="top" bgcolor="#f0f0f0"><td><b>QSettings</b></td><td>Persistent platform-independent application settings</td></tr>
    87. 

  87. <tr valign="top" bgcolor="#f0f0f0"><td><b>QSharedData</b></td><td>Base class for shared data objects</td></tr>
    88. 

  88. <tr valign="top" bgcolor="#f0f0f0"><td><b>QSharedDataPointer</b></td><td>Pointer to a shared data object</td></tr>
    89. 

  89. <tr valign="top" bgcolor="#f0f0f0"><td><b>QSignal</b></td><td>Can be used to send signals for classes that do not inherit QObject</td></tr>
    90. 

  90. <tr valign="top" bgcolor="#f0f0f0"><td><b>QSignalMapper</b></td><td>Bundles signals from identifiable senders</td></tr>
    91. 

  91. <tr valign="top" bgcolor="#f0f0f0"><td><b>QSize</b></td><td>Defines the size of a two-dimensional object</td></tr>
    92. 

  92. <tr valign="top" bgcolor="#f0f0f0"><td><b>QSizeF</b></td><td>Defines the size of a two-dimensional object using floating point values for accuracy</td></tr>
    93. 

  93. <tr valign="top" bgcolor="#f0f0f0"><td><b>QSocketNotifier</b></td><td>Support for monitoring activity on a file descriptor</td></tr>
    94. 

  94. <tr valign="top" bgcolor="#f0f0f0"><td><b>QStack</b></td><td>Template class that provides a stack</td></tr>
    95. 

  95. <tr valign="top" bgcolor="#f0f0f0"><td><b>QString</b></td><td>Unicode character string</td></tr>
    96. 

  96. <tr valign="top" bgcolor="#f0f0f0"><td><b>QStringList</b></td><td>List of strings</td></tr>
    97. 

  97. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTemporaryFile</b></td><td>I/O device that operates on temporary files</td></tr>
    98. 

  98. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTextCodec</b></td><td>Conversions between text encodings</td></tr>
    99. 

  99. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTextCodecPlugin</b></td><td>Abstract base for custom QTextCodec plugins</td></tr>
    100. 

  100. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTextDecoder</b></td><td>State-based decoder</td></tr>
    101. 

  101. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTextEncoder</b></td><td>State-based encoder</td></tr>
    102. 

  102. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTextIStream</b></td><td>Convenience class for input streams</td></tr>
    103. 

  103. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTextOStream</b></td><td>Convenience class for output streams</td></tr>
    104. 

  104. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTextStream</b></td><td>Convenient interface for reading and writing text</td></tr>
    105. 

  105. <tr valign="top" bgcolor="#f0f0f0"><td><b>QThread</b></td><td>Platform-independent threads</td></tr>
    106. 

  106. <tr valign="top" bgcolor="#f0f0f0"><td><b>QThreadStorage</b></td><td>Per-thread data storage</td></tr>
    107. 

  107. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTime</b></td><td>Clock time functions</td></tr>
    108. 

  108. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTimer</b></td><td>Repetitive and single-shot timers</td></tr>
    109. 

  109. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTimerEvent</b></td><td>Parameters that describe a timer event</td></tr>
    110. 

  110. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTranslator</b></td><td>Internationalization support for text output</td></tr>
    111. 

  111. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTranslatorMessage</b></td><td>Translator message and its properties</td></tr>
    112. 

  112. <tr valign="top" bgcolor="#f0f0f0"><td><b>QTsciiCodec</b></td><td>Conversion to and from the Tamil TSCII encoding</td></tr>
    113. 

  113. <tr valign="top" bgcolor="#f0f0f0"><td><b>QUrl</b></td><td>Convenient interface for working with URLs</td></tr>
    114. 

  114. <tr valign="top" bgcolor="#f0f0f0"><td><b>QUuid</b></td><td>Defines a Universally Unique Identifier (UUID)</td></tr>
    115. 

  115. <tr valign="top" bgcolor="#f0f0f0"><td><b>QVarLengthArray</b></td><td>Low-level variable-length array</td></tr>
    116. 

  116. <tr valign="top" bgcolor="#f0f0f0"><td><b>QVariant</b></td><td>Acts like a union for the most common Qt data types</td></tr>
    117. 

  117. <tr valign="top" bgcolor="#f0f0f0"><td><b>QVector</b></td><td>Template class that provides a dynamic array</td></tr>
    118. 

  118. <tr valign="top" bgcolor="#f0f0f0"><td><b>QWaitCondition</b></td><td>Condition variable for synchronizing threads</td></tr>
    119. 

  119. <tr valign="top" bgcolor="#f0f0f0"><td><b>QWriteLocker</b></td><td>Convenience class that simplifies locking and unlocking read-write locks for write access</td></tr>
    120. 

  120. </table></p>
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