How to Download and Use Qt for Visual Studio 2017
If you are a C++ developer who wants to create graphical user interfaces (GUIs) for Windows applications, you may have heard of . Qt is a cross-platform framework that provides a rich set of GUI components, such as widgets, dialogs, menus, toolbars, and more. Visual Studio is an integrated development environment (IDE) that offers a powerful code editor, debugger, compiler, linker, and other tools for C++ development.
By combining Qt and Visual Studio, you can enjoy the benefits of both tools and create professional-looking GUI applications with ease. In this article, we will show you how to download and install Qt and the extension, which integrates the Qt development tools into Microsoft Visual Studio 2017. We will also show you how to set up, use, and troubleshoot Qt for Visual Studio 2017.
download qt for visual studio 2017
Downloading Qt and Qt Visual Studio Tools
Downloading Qt
To install Qt for Visual Studio 2017, you need to follow these steps:
Download the from the official website.
Run the installer and choose advanced installation.
Install the latest version of Qt and the support for Visual Studio 2017.
You can also choose to install other components or versions of Qt if you need them.
Downloading Qt Visual Studio ToolsDownloading Qt Visual Studio Tools
To install the Qt Visual Studio Tools extension, which allows you to use the Qt development tools within Visual Studio 2017, you have two options:
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Download and install the extension from the .
Download and install the extension from the .
Both options will require you to restart Visual Studio 2017 after the installation.
Setting Up Qt for Visual Studio 2017
Configuring Qt Version
After installing Qt and the Qt Visual Studio Tools extension, you need to configure the Qt version that you want to use in Visual Studio 2017. To do this, follow these steps:
Open Visual Studio 2017 and go to Extensions > Qt VS Tools > Qt Options.
Click on Add and browse to the directory where you installed Qt.
Select the version of Qt that you want to use and click OK.
Click on Apply and OK to save the changes.
You can also edit or remove existing Qt versions from this menu.
Creating a New Qt Project
To create a new Qt project in Visual Studio 2017, follow these steps:
Go to File > New > Project.
Select Qt under Visual C++ and choose one of the project templates, such as Qt Console Application or Qt Widgets Application.
Enter a name and location for your project and click OK.
A project wizard will guide you through the configuration of your project, such as choosing a Qt version, adding modules, and setting up precompiled headers.
Click Finish to create your project.
You can now start designing and coding your Qt application in Visual Studio 2017.
Importing and Exporting Qt Projects
If you have an existing Qt project file (.pro) or a project include file (.pri) that you want to import into Visual Studio 2017, you can do so by using the Qt VS Tools menu. To import a .pro file, follow these steps:
Go to File > Open > Project/Solution.
Browse to the directory where your .pro file is located and select it.
A dialog will ask you to confirm the import settings, such as the target platform and configuration.
Click OK to import your .pro file as a Visual Studio project.
To import a .pri file, follow these steps:
Right-click on your project in the Solution Explorer and select Add Existing Item.
Browse to the directory where your .pri file is located and select it.
A dialog will ask you to confirm the import settings, such as the target platform and configuration.
Click OK to import your .pri file as a Visual Studio project item.
If you want to export your Visual Studio project as a .pro file or a .pri file, you can do so by using the Qt VS Tools menu. To export a .pro file, follow these steps:
Right-click on your project in the Solution Explorer and select Export Project File (.pro).
A dialog will ask you to choose a location and name for your .pro file.
Click Save to export your .pro file.
To export a .pri file, follow these steps:
Right-click on your project item in the Solution Explorer and select Export Project Include File (.pri).
A dialog will ask you to choose a location and name for your .pri file.
Click Save to export your .pri file.
Using Qt for Visual Studio 2017
Designing User Interfaces
To design user interfaces for your Qt applications, you can use the integrated Qt resource manager in Visual Studio 2017. This tool allows you to add and edit user interface files (.ui) using the , which is a graphical editor for creating GUI layouts. To use the Qt resource manager, follow these steps:
Right-click on your project in the Solution Explorer and select Add New Item.
Select User Interface under Qt and enter a name for your .ui file.
Click Add to create your .ui file and open it Click Add to create your .ui file and open it in the Qt Designer.
In the Qt Designer, you can drag and drop widgets from the widget box to the form editor, and adjust their properties and signals in the property editor and the signal editor. You can also use the action editor and the resource editor to create actions and resources for your user interface. You can preview your user interface by clicking on the Preview button in the toolbar.
To edit an existing .ui file, you can double-click on it in the Solution Explorer or right-click on it and select View Code or View Designer. You can also switch between the code view and the designer view by using the tabs at the bottom of the editor window.
Writing Code
To write code for your Qt applications, you can use the standard Visual Studio code editor, which supports syntax highlighting, code completion, refactoring, debugging, and other features for C++ development. You can also use the debugging extensions for Qt data types and the QML debug engine for Qt Quick applications, which allow you to inspect and modify Qt objects and QML elements during runtime.
To write code for your Qt applications, you need to include the appropriate Qt headers and use the Qt macros and keywords, such as Q_OBJECT, Q_PROPERTY, Q_SIGNALS, Q_SLOTS, emit, connect, etc. You also need to use the Qt classes and methods, such as QApplication, QWidget, QPushButton, QLabel, QString, qDebug, etc. You can find more information about the Qt API in the .
To write code for your user interface files (.ui), you need to use the Ui namespace and access the widgets by their object names. For example, if you have a .ui file named MainWindow.ui with a push button named pushButton, you can write code like this:
#include "ui_MainWindow.h" class MainWindow : public QMainWindow Q_OBJECT public: MainWindow(QWidget *parent = nullptr) : QMainWindow(parent) ui.setupUi(this); // set up the user interface connect(ui.pushButton, &QPushButton::clicked, this, &MainWindow::onButtonClicked); // connect the button signal to a slot private slots: void onButtonClicked() // define a slot qDebug()
Building and Running Applications
To build and run your Qt applications in Visual Studio 2017, you can use the automated build setup for the Meta-Object Compiler (moc), User Interface Compiler (uic), and Resource Compiler (rcc), which are tools that generate C++ code from Qt-specific files. The Qt Visual Studio Tools extension will automatically invoke these tools when you build your project, so you don't need to worry about them.
To build your project, you can use the Build menu or press F7. To run your project, you can use the Debug menu or press F5. You can also run your project from the command line by using the qmake tool or by specifying the executable path.
Benefits of Qt for Visual Studio 2017
Using Qt for Visual Studio 2017 has many advantages for C++ GUI development. Some of them are:
Cross-platform compatibility: You can create applications that run on Windows, Linux, macOS, Android, iOS, and other platforms with minimal changes to your code.
Rich GUI features: You can create attractive and user-friendly GUIs with widgets, dialogs, menus, toolbars, layouts, animations, graphics, multimedia, web content, and more.
High performance: You can leverage the power of C++ and optimize your code for speed and efficiency.
Extensive documentation: You can find comprehensive documentation for Qt on its official website, which includes tutorials, guides, examples, reference manuals, and forums.
Common Errors and Solutions for Qt for Visual Studio 2017
Although using Qt for Visual Studio 2017 is generally easy and convenient, Although using Qt for Visual Studio 2017 is generally easy and convenient, you may encounter some errors or issues that can prevent you from building or running your applications. Here are some of the common errors and solutions for Qt for Visual Studio 2017:
Error
Solution
Cannot open include file: 'QtWidgets/QApplication': No such file or directory
This error means that the Qt headers are not found by the compiler. To fix this, you need to make sure that the Qt include directories are added to the Additional Include Directories property of your project. You can do this by going to Project > Properties > C/C++ > General and adding $(QTDIR)\include and $(QTDIR)\include\QtWidgets (or other modules that you use) to the list.
Cannot open source file: 'moc_*.cpp': No such file or directory
This error means that the moc files are not generated by the Meta-Object Compiler. To fix this, you need to make sure that the moc files are added to the Custom Build Tool property of your header files that contain the Q_OBJECT macro. You can do this by right-clicking on your header file in the Solution Explorer and selecting Properties > Custom Build Tool > General and adding $(QTDIR)\bin\moc.exe -o "$(IntDir)moc_%(Filename).cpp" "%(FullPath)" to the Command Line field.
LNK1104: cannot open file 'Qt5Cored.lib'
This error means that the Qt libraries are not found by the linker. To fix this, you need to make sure that the Qt library directories are added to the Additional Library Directories property of your project. You can do this by going to Project > Properties > Linker > General and adding $(QTDIR)\lib to the list. You also need to make sure that the Qt library names are added to the Additional Dependencies property of your project. You can do this by going to Project > Properties > Linker > Input and adding Qt5Cored.lib, Qt5Widgetsd.lib, and other libraries that you use to the list.
The program can't start because Qt5Core.dll is missing from your computer.
This error means that the Qt DLLs are not found by the executable. To fix this, you need to make sure that the Qt bin directory is added to the PATH environment variable of your system. You can do this by going to Control Panel > System and Security > System > Advanced System Settings > Environment Variables and adding $(QTDIR)\bin to the PATH variable. Alternatively, you can copy the Qt DLLs from $(QTDIR)\bin to the same directory as your executable.
Failed to load platform plugin "windows". Available platforms are: windows, minimal.
This error means that the Qt platform plugin is not found by the executable. To fix this, you need to create a subdirectory named platforms in the same directory as your executable and copy qwindows.dll from $(QTDIR)\plugins\platforms to it.
Conclusion
In this article, we have shown you how to download and use Qt for Visual Studio 2017, which is a powerful combination of tools for C++ GUI development. We have covered how to install Qt and the Qt Visual Studio Tools extension, how to set up, use, and troubleshoot Qt for Visual Studio 2017, and some of the benefits of using Qt for Visual Studio 2017. We hope that this article has helped you get started with creating professional-looking GUI applications with ease.
If you have any questions or feedback about this article, please feel free to leave a comment below or contact us through our website. We would love to hear from you and help you with your Qt projects.
FAQs
Here are some frequently asked questions about Qt for Visual Studio 2017:
What is Qt?
Qt is a cross-platform framework that provides a rich set of GUI components, such as widgets, dialogs, menus, toolbars, and more. It also offers other features, such as networking, database access, multimedia, web content, and more. It is written in C++ and can be used with other languages, such as Python, Java, or C#.
What is Visual Studio?
Visual Studio is an integrated development environment (IDE) that offers a powerful code editor, debugger, compiler, linker, and other tools for C++ development. It also supports other languages, such as C#, VB.NET, F Visual Studio is an integrated development environment (IDE) that offers a powerful code editor, debugger, compiler, linker, and other tools for C++ development. It also supports other languages, such as C#, VB.NET, F#, Python, and more. It is developed by Microsoft and can be used to create applications for Windows, Linux, macOS, Android, iOS, and other platforms.
How do I update Qt or the Qt Visual Studio Tools extension?
To update Qt or the Qt Visual Studio Tools extension, you can use the Qt Maintenance Tool or the Visual Studio Extension Manager. To use the Qt Maintenance Tool, follow these steps:
Run the Qt Maintenance Tool from the Start menu or from the directory where you installed Qt.
Select Update components and click Next.
Choose the components that you want to update and click Next.
Follow the instructions to complete the update process.
To use the Visual Studio Extension Manager, follow these steps:
Open Visual Studio 2017 and go to Tools > Extensions and Updates.
Select Updates > Visual Studio Marketplace > Tools.
Find the Qt Visual Studio Tools extension and click Update.
Restart Visual Studio 2017 to apply the update.
How do I uninstall Qt or the Qt Visual Studio Tools extension?
To uninstall Qt or the Qt Visual Studio Tools extension, you can use the Qt Maintenance Tool or the Visual Studio Extension Manager. To use the Qt Maintenance Tool, follow these steps:
Run the Qt Maintenance Tool from the Start menu or from the directory where you installed Qt.
Select Remove all components and click Next.
Confirm that you want to remove all components and click Next.
Follow the instructions to complete the removal process.
To use the Visual Studio Extension Manager, follow these steps:
Open Visual Studio 2017 and go to Tools > Extensions and Updates.
Select Installed > Tools > Qt Visual Studio Tools.
Click Uninstall and confirm that you want to uninstall the extension.
Restart Visual Studio 2017 to apply the changes.
Where can I find more resources or help for Qt for Visual Studio 2017?
If you need more resources or help for using Qt for Visual Studio 2017, you can check out these links:
: This is the official documentation for using Qt for Visual Studio, which includes installation instructions, usage guides, examples, and reference manuals.
: This is the official forum for Qt users and developers, where you can ask questions, share tips, report bugs, and get help from other members of the community.
: This is the official blog for Qt, where you can find news, announcements, tutorials, and articles about Qt development.
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