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255 lines
9.2 KiB
Plaintext
255 lines
9.2 KiB
Plaintext
INSTALLATION INSTRUCTIONS
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These instructions refer to the package you are installing as
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some-package.tar.gz or some-package.zip. The .zip file is intended for use
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on Windows.
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The directory you choose for the installation will be referred to as
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your-install-dir.
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Note to Qt Visual Studio Integration users: In the instructions below,
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instead of building from command line with nmake, you can use the menu
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command 'Qt->Open Solution from .pro file' on the .pro files in the
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example and plugin directories, and then build from within Visual
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Studio.
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Unpacking and installation
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--------------------------
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1. Unpacking the archive (if you have not done so already).
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On Unix and Mac OS X (in a terminal window):
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cd your-install-dir
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gunzip some-package.tar.gz
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tar xvf some-package.tar
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This creates the subdirectory some-package containing the files.
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On Windows:
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Unpack the .zip archive by right-clicking it in explorer and
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choosing "Extract All...". If your version of Windows does not
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have zip support, you can use the infozip tools available
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from www.info-zip.org.
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If you are using the infozip tools (in a command prompt window):
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cd your-install-dir
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unzip some-package.zip
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2. Configuring the package.
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The configure script is called "configure" on unix/mac and
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"configure.bat" on Windows. It should be run from a command line
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after cd'ing to the package directory.
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You can choose whether you want to use the component by including
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its source code directly into your project, or build the component
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as a dynamic shared library (DLL) that is loaded into the
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application at run-time. The latter may be preferable for
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technical or licensing (LGPL) reasons. If you want to build a DLL,
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run the configure script with the argument "-library". Also see
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the note about usage below.
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(Components that are Qt plugins, e.g. styles and image formats,
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are by default built as a plugin DLL.)
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The configure script will prompt you in some cases for further
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information. Answer these questions and carefully read the license text
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before accepting the license conditions. The package cannot be used if
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you do not accept the license conditions.
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3. Building the component and examples (when required).
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If a DLL is to be built, or if you would like to build the
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examples, next give the commands
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qmake
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make [or nmake if your are using Microsoft Visual C++]
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The example program(s) can be found in the directory called
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"examples" or "example".
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Components that are Qt plugins, e.g. styles and image formats, are
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ready to be used as soon as they are built, so the rest of this
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installation instruction can be skipped.
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4. Building the Qt Designer plugin (optional).
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Some of the widget components are provided with plugins for Qt
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Designer. To build and install the plugin, cd into the
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some-package/plugin directory and give the commands
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qmake
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make [or nmake if your are using Microsoft Visual C++]
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Restart Qt Designer to make it load the new widget plugin.
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Note: If you are using the built-in Qt Designer from the Qt Visual
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Studio Integration, you will need to manually copy the plugin DLL
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file, i.e. copy
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%QTDIR%\plugins\designer\some-component.dll
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to the Qt Visual Studio Integration plugin path, typically:
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C:\Program Files\Trolltech\Qt VS Integration\plugins
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Note: If you for some reason are using a Qt Designer that is built
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in debug mode, you will need to build the plugin in debug mode
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also. Edit the file plugin.pro in the plugin directory, changing
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'release' to 'debug' in the CONFIG line, before running qmake.
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Solutions components are intended to be used directly from the package
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directory during development, so there is no 'make install' procedure.
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Using a component in your project
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---------------------------------
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To use this component in your project, add the following line to the
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project's .pro file (or do the equivalent in your IDE):
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include(your-install-dir/some-package/src/some-package.pri)
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This adds the package's sources and headers to the SOURCES and HEADERS
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project variables respectively (or, if the component has been
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configured as a DLL, it adds that library to the LIBS variable), and
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updates INCLUDEPATH to contain the package's src
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directory. Additionally, the .pri file may include some dependencies
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needed by the package.
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To include a header file from the package in your sources, you can now
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simply use:
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#include <SomeClass>
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or alternatively, in pre-Qt 4 style:
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#include <some-class.h>
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Refer to the documentation to see the classes and headers this
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components provides.
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Install documentation (optional)
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--------------------------------
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The HTML documentation for the package's classes is located in the
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your-install-dir/some-package/doc/html/index.html. You can open this
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file and read the documentation with any web browser.
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To install the documentation into Qt Assistant (for Qt version 4.4 and
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later):
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1. In Assistant, open the Edit->Preferences dialog and choose the
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Documentation tab. Click the Add... button and select the file
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your-install-dir/some-package/doc/html/some-package.qch
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For Qt versions prior to 4.4, do instead the following:
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1. The directory your-install-dir/some-package/doc/html contains a
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file called some-package.dcf. Execute the following commands in a
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shell, command prompt or terminal window:
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cd your-install-dir/some-package/doc/html/
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assistant -addContentFile some-package.dcf
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The next time you start Qt Assistant, you can access the package's
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documentation.
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Removing the documentation from assistant
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-----------------------------------------
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If you have installed the documentation into Qt Assistant, and want to uninstall it, do as follows, for Qt version 4.4 and later:
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1. In Assistant, open the Edit->Preferences dialog and choose the
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Documentation tab. In the list of Registered Documentation, select
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the item com.nokia.qtsolutions.some-package_version, and click
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the Remove button.
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For Qt versions prior to 4.4, do instead the following:
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1. The directory your-install-dir/some-package/doc/html contains a
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file called some-package.dcf. Execute the following commands in a
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shell, command prompt or terminal window:
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cd your-install-dir/some-package/doc/html/
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assistant -removeContentFile some-package.dcf
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Using the component as a DLL
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----------------------------
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1. Normal components
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The shared library (DLL) is built and placed in the
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some-package/lib directory. It is intended to be used directly
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from there during development. When appropriate, both debug and
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release versions are built, since the run-time linker will in some
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cases refuse to load a debug-built DLL into a release-built
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application or vice versa.
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The following steps are taken by default to help the dynamic
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linker to locate the DLL at run-time (during development):
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Unix: The some-package.pri file will add linker instructions to
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add the some-package/lib directory to the rpath of the
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executable. (When distributing, or if your system does not support
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rpath, you can copy the shared library to another place that is
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searched by the dynamic linker, e.g. the "lib" directory of your
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Qt installation.)
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Mac: The full path to the library is hardcoded into the library
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itself, from where it is copied into the executable at link time,
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and ready by the dynamic linker at run-time. (When distributing,
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you will want to edit these hardcoded paths in the same way as for
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the Qt DLLs. Refer to the document "Deploying an Application on
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Mac OS X" in the Qt Reference Documentation.)
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Windows: the .dll file(s) are copied into the "bin" directory of
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your Qt installation. The Qt installation will already have set up
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that directory to be searched by the dynamic linker.
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2. Plugins
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For Qt Solutions plugins (e.g. image formats), both debug and
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release versions of the plugin are built by default when
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appropriate, since in some cases the release Qt library will not
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load a debug plugin, and vice versa. The plugins are automatically
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copied into the plugins directory of your Qt installation when
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built, so no further setup is required.
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Plugins may also be built statically, i.e. as a library that will be
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linked into your application executable, and so will not need to
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be redistributed as a separate plugin DLL to end users. Static
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building is required if Qt itself is built statically. To do it,
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just add "static" to the CONFIG variable in the plugin/plugin.pro
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file before building. Refer to the "Static Plugins" section in the
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chapter "How to Create Qt Plugins" for explanation of how to use a
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static plugin in your application. The source code of the example
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program(s) will also typically contain the relevant instructions
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as comments.
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Uninstalling
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------------
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The following command will remove any fils that have been
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automatically placed outside the package directory itself during
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installation and building
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make distclean [or nmake if your are using Microsoft Visual C++]
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If Qt Assistant documentation or Qt Designer plugins have been
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installed, they can be uninstalled manually, ref. above.
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Enjoy! :)
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- The Qt Solutions Team.
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