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@ -4,7 +4,7 @@
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the Qt GUI Toolkit.
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** This file is part of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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@ -13,7 +13,7 @@
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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@ -39,20 +39,20 @@
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/*!
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\page keyfeatures30.html
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\title Key Features in Qt 3.0
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\title Key Features in TQt 3.0
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Qt 3.0 adds a lot of new features and improvements over the Qt 2.x
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Qt 3.0 adds a lot of new features and improvements over the TQt 2.x
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series. Some internals have undergone major redesign and new classes
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and methods have been added.
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We have tried to keep the API of Qt 3.0 as compatible as possible with
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the Qt 2.x series. For most applications only minor changes will be
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needed to compile and run them successfully using Qt 3.0.
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We have tried to keep the API of TQt 3.0 as compatible as possible with
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the TQt 2.x series. For most applications only minor changes will be
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needed to compile and run them successfully using TQt 3.0.
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One of the major new features that has been added in the 3.0 release
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is a module allowing you to easily work with databases. The API is
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platform independent and database neutral. This module is seamlessly
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integrated into Qt Designer, greatly simplifying the process of
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integrated into TQt Designer, greatly simplifying the process of
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building database applications and using data aware widgets.
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\omit
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@ -61,12 +61,12 @@ to build cross platform components, 'plugins' with Qt.
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\endomit
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Other major new features include a plugin architecture. You can use
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your own and third party plugins your own applications.
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The Unicode support of Qt 2.x has been greatly enhanced, it now
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The Unicode support of TQt 2.x has been greatly enhanced, it now
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includes full support for scripts written from right to left (e.g.
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Arabic and Hebrew) and also provides improved support for Asian
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languages.
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Many new classes have been added to the Qt Library. Amongst them are
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Many new classes have been added to the TQt Library. Amongst them are
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classes that provide a docking architecture
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(\l{QDockArea}/\l{QDockWindow}), a powerful rich text editor
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(QTextEdit), a class to store and access application settings
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@ -74,36 +74,36 @@ classes that provide a docking architecture
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(QProcess).
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Apart from the changes in the library itself a lot has been done to
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make the development of Qt applications with Qt 3.0 even easier than
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before. Two new applications have been added: Qt Linguist is a tool to
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make the development of TQt applications with TQt 3.0 even easier than
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before. Two new applications have been added: TQt Linguist is a tool to
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help you translate your application into different languages; Qt
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Assistant is an easy to use help browser for the Qt documentation that
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Assistant is an easy to use help browser for the TQt documentation that
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supports bookmarks and can search by keyword.
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Another change concerns the Qt build system, which has been reworked
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to make it a lot easier to port Qt to new platforms. You can use this
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Another change concerns the TQt build system, which has been reworked
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to make it a lot easier to port TQt to new platforms. You can use this
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platform independent build system for your own applications.
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\section1 The Qt Library
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\section1 The TQt Library
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A large number of new features has been added to Qt 3.0. The following
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A large number of new features has been added to TQt 3.0. The following
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list gives an overview of the most important new and changed aspects
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of the Qt library. A full list of every new method follows the
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of the TQt library. A full list of every new method follows the
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overview.
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\section2 Database support
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One of the major new features in Qt 3.0 is the \link sql.html SQL
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One of the major new features in TQt 3.0 is the \link sql.html SQL
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module\endlink that provides multiplatform access to SQL databases,
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making database application programming with Qt seamless and portable.
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making database application programming with TQt seamless and portable.
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The API, built with standard SQL, is database-neutral and software
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development is independent of the underlying database.
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A collection of tightly focused C++ classes are provided to give the
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programmer direct access to SQL databases. Developers can send raw SQL
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to the database server or have the Qt SQL classes generate SQL queries
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to the database server or have the TQt SQL classes generate SQL queries
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automatically. Drivers for Oracle, PostgreSQL, MySQL and ODBC are
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available and writing new drivers is straightforward.
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@ -119,9 +119,9 @@ making it easy for developers to include their own data validation and
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auditing code.
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Qt Designer fully supports Qt's SQL module. All SQL widgets can be
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laid out within Qt Designer, and relationships can be established
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laid out within TQt Designer, and relationships can be established
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between controls visually. Many interactions can be defined purely in
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terms of Qt's signals/slots mechanism directly in Qt Designer.
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terms of Qt's signals/slots mechanism directly in TQt Designer.
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\omit
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\section2 Component model - plugins
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@ -129,11 +129,11 @@ terms of Qt's signals/slots mechanism directly in Qt Designer.
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The QLibrary class provides a platform independent wrapper for runtime
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loading of shared libraries. Access to the shared libraries uses a
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COM-like interface. QPluginManager makes it trivial to implement
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plugin support in applications. The Qt library is able to load
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plugin support in applications. The TQt library is able to load
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additional styles, database drivers and text codecs from plugins which
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implement the relevant interfaces, e.g. QStyleFactoryInterface,
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QSqlDriverInterface or QTextCodecInterface. It is possible to remove
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unused components from the Qt library, and easy to extend any
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unused components from the TQt library, and easy to extend any
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application with 3rd party styles, database drivers or text codecs.
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Qt Designer supports custom widgets in plugins, and will use the
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@ -147,7 +147,7 @@ component.
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The QLibrary class provides a platform independent wrapper for runtime
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loading of shared libraries. QPluginManager makes it trivial to implement
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plugin support in applications. The Qt library is able to load
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plugin support in applications. The TQt library is able to load
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additional styles, database drivers and text codecs from plugins.
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Qt Designer supports custom widgets in plugins, and will use the
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@ -158,7 +158,7 @@ See the \link plugins-howto.html plugins documentation\endlink.
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\section2 Rich text engine and editor
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The rich text engine originally introduced in Qt 2.0 has been further
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The rich text engine originally introduced in TQt 2.0 has been further
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optimized and extended to support editing. It allows editing formatted
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text with different fonts, colors, paragraph styles, tables and
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images. The editor supports different word wrap modes, command-based
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@ -169,7 +169,7 @@ and displaying large documents quickly and efficiently.
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\section2 Unicode
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Apart from the rich text engine, another new feature of Qt 3.0 that
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Apart from the rich text engine, another new feature of TQt 3.0 that
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relates to text handling is the greatly improved Unicode support. Qt
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3.0 includes an implementation of the bidirectional algorithm (BiDi)
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as defined in the Unicode standard and a shaping engine for Arabic,
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@ -177,13 +177,13 @@ which gives full native language support to Arabic and Hebrew speaking
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people. At the same time the support for Asian languages has been
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greatly enhanced.
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The support is almost transparent for the developer using Qt to
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The support is almost transparent for the developer using TQt to
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develop their applications. This means that developers who developed
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applications using Qt 2.x will automatically gain the full support for
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these languages when switching to Qt 3.0. Developers can rely on their
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applications using TQt 2.x will automatically gain the full support for
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these languages when switching to TQt 3.0. Developers can rely on their
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application to work for people using writing systems different from
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Latin1, without having to worry about the complexities involved with
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these scripts, as Qt takes care of this automatically.
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these scripts, as TQt takes care of this automatically.
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\section2 Docked and Floating Windows
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@ -200,7 +200,7 @@ their own right. Dock windows can also be minimized or hidden.
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For developers, dock windows behave just like ordinary widgets. QToolbar
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for example is now a specialized subclass of a dock window. The API
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of QMainWindow and QToolBar is source compatible with Qt 2.x, so
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of QMainWindow and QToolBar is source compatible with TQt 2.x, so
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existing code which uses these classes will continue to work.
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@ -208,7 +208,7 @@ existing code which uses these classes will continue to work.
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Qt has always provided regular expression support, but that support
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was pretty much limited to what was required in common GUI control
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elements such as file dialogs. Qt 3.0 introduces a new regular
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elements such as file dialogs. TQt 3.0 introduces a new regular
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expression engine, QRegExp, that supports most of Perl's regex
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features and is Unicode based. The most useful additions are support
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for parentheses (capturing and non-capturing) and backreferences.
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@ -220,7 +220,7 @@ Most programs will need to store some settings between runs, for
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example, user selected fonts, colors and other preferences, or a list
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of recently used files. The new QSettings class provides a platform
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independent way to achieve this goal. The API makes it easy to store
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and retrieve most of the basic data types used in Qt (such as basic
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and retrieve most of the basic data types used in TQt (such as basic
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C++ types, strings, lists, colors, etc). The class uses the registry
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on the Windows platform and traditional resource files on Unix.
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@ -228,7 +228,7 @@ on the Windows platform and traditional resource files on Unix.
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\section2 Creating and controlling other processes
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QProcess is a class that allows you to start other programs from
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within a Qt application in a platform independent manner. It gives you
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within a TQt application in a platform independent manner. It gives you
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full control over the started program, for example you can redirect
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the input and output of console applications.
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@ -236,9 +236,9 @@ the input and output of console applications.
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\section2 Accessibility
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Accessibility means making software usable and accessible to a wide
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range of users, including those with disabilities. In Qt 3.0, most
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range of users, including those with disabilities. In TQt 3.0, most
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widgets provide accessibility information for assistive tools that can
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be used by a wide range of disabled users. Qt standard widgets like
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be used by a wide range of disabled users. TQt standard widgets like
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buttons or range controls are fully supported. Support for complex
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widgets, like e.g. QListView, is in development. Existing applications
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that make use of standard widgets will become accessible just by using
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@ -246,15 +246,15 @@ Qt 3.0.
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Qt uses the Active Accessibility infrastructure on Windows, and needs
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the MSAA SDK, which is part of most platform SDKs. With improving
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standardization of accessibility on other platforms, Qt will support
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standardization of accessibility on other platforms, TQt will support
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assistive technologies on other systems, too.
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\section2 XML Improvements
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The XML framework introduced in Qt 2.2 has been vastly improved. Qt
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The XML framework introduced in TQt 2.2 has been vastly improved. Qt
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2.2 already supported level 1 of the Document Object Model (DOM), a
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W3C standard for accessing and modifying XML documents. Qt 3.0 has
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W3C standard for accessing and modifying XML documents. TQt 3.0 has
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added support for DOM Level 2 and XML namespaces.
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The XML parser has been extended to allow incremental parsing of XML
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@ -268,7 +268,7 @@ stage.
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\section2 SVG support
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SVG is a W3C standard for "Scalable Vector Graphics". Qt 3.0's XML
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SVG is a W3C standard for "Scalable Vector Graphics". TQt 3.0's XML
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support means that QPicture can optionally generate and import static
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SVG documents. All the SVG features that have an equivalent in
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QPainter are supported.
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@ -277,7 +277,7 @@ QPainter are supported.
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\section2 Multihead support
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Many professional applications, such as DTP and CAD software, are able
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to display data on two or more monitors. In Qt 3.0 the QDesktopWidget
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to display data on two or more monitors. In TQt 3.0 the QDesktopWidget
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class provides the application with runtime information about the
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number and geometry of the desktops on the different monitors and such
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allows applications to efficiently use a multi-monitor setup.
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@ -316,10 +316,10 @@ process. This makes WYSIWYG printing trivial, and also allows you to
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take full advantage of the high resolution of a printer when painting
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on it.
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|
Timothy Pearson
9 years ago