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| {{Template:I18n/Language Navigation Bar|Development/Tutorials/Using Qt Creator}} | | {{Moved To Community | Guidelines_and_HOWTOs/Using_Qt_Creator}} |
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| QtCreator is an IDE from Nokia for Qt. It contains QtDesigner for UI design. This article describes:
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| * how to create a new program
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| * how to load an existing program
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| = Creating a new program =
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| Qt Designer is a graphical program which allows you to easily build user interfaces, using a ''drag n drop'' interface. Here is a short example how it can go, for more information read the [http://qt.nokia.com/doc/designer-manual.html user documentation].
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| ;Step 0:
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| Call Qt Designer from within the [http://labs.trolltech.com/page/Projects/Tools/QtCreator QtCreator] [http://en.wikipedia.org/wiki/Integrated_development_environment IDE]:
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| qtcreator
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| ;Step 1:
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| Add the widgets you want by drag-and-drop
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| [[File:Designer-step1.png|200px]]
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| ;Step 2:
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| Select the mainwindow. This is the one un-intuitive step. To lay out the objects in the mainwindow, you do not select the objects in the mainwindow, but the mainwindow itself.
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| [[File:Designer-step2.png|200px]]
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| ;Step 3:
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| Select Form -> Lay Out in a <u>G</u>rid
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| [[File:Designer-step3.png|200px]]
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| ;Result:
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| You get a decent look, and if you resize the window, the widgets resize as well.
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| [[File:Designer-result.png|200px]]
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| == Using KDE libraries ==
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| To use KDE classes like KMessageBox, you need to tell qtcreator to use the KDE libraries when building. Go to your home directory, cd into ''yourproject'' and modify ''yourproject.pro''. Add a line
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| LIBS += -lkdeui
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| Then you can start using KDE classes in your code.
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| == Adding a toolbar ==
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| To add a toolbar, right-click on the UI and choose "Add Toolbar". Then you can set icons and text in your mainwindow's constructor with code like this:
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| ui->toolBar->addAction(QIcon("/usr/share/icons/oxygen/22x22/apps/ktip.png"),"hello world");
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| [[Development/Tutorials/Using_Qt_Designer|More Info...]]
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| = Load an existing project =
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| This describes how to use QtCreator to integrate existing KDE 4 applications. It has been tested with QtCreator 1.2.80 and SUSE Linux 11.1 but should work same or similar with every combination. As an example KDE application we use [http://userbase.kde.org/ktimetracker ktimetracker] from the kdepim module, other applications should work analog.
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| You can either work with code on your disk or have QtCreator do the subversion checkout.
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| == use code from your disk ==
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| * Import the CMakeLists.txt file
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| File -> Open -> kdepim/CMakeLists.txt.
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| * As build directory choose kdepim.
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| * As arguments for cmake use e.g.
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| . -DCMAKE_INSTALL_PREFIX=/usr/local -DLIB_SUFFIX=64 -DCMAKE_BUILD_TYPE=debugfull
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| DLIB_SUFFIX=64 means that you want to install your libraries into directories named lib64.
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| * Note a .cbp file gets created containing many information about the build.
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| * Configure qtcreator to build only ktimetracker
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| Projects -> Active run configuration=ktimetracker -> build settings -> build steps -> make -> show details -> activate ktimetracker.
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| == have QtCreator do the subversion checkout ==
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| * Choose File -> New File or Project -> Version Control -> Subversion Checkout.
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| * Enter a subversion URL like svn://anonsvn.kde.org/home/kde/trunk/KDE/kdepim
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| * Enter a checkout directory, so the local directory where the checkout will be loaded in
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| * Type finish, see how the checkout starts
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| * Enter arguments for cmake like
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| /root/kdepim -DCMAKE_INSTALL_PREFIX=/usr/local -DLIB_SUFFIX=64 -DCMAKE_BUILD_TYPE=debugfull
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| DLIB_SUFFIX=64 means that you want to install your libraries into directories named lib64. /root/kdepim is where your source code is.
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| * click "Run cmake"
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| * Note a .cbp file gets created containing many information about the build.
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| * Configure qtcreator to build only ktimetracker:
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| Projects -> Active run configuration=ktimetracker -> build settings -> build steps -> make -> show details -> activate ktimetracker.
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| = See also =
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| * [[Development/Tutorials/Using Qt Designer]]
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| * [[Getting_Started/Set_up_KDE_4_for_development#QtCreator]]
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| [[Category:KDE4]]
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