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== Building your first KDE application using Kubuntu Linux 20.04 ==
===Building your first KDE application using Kubuntu Linux 20.04=== <!--T:1-->


===== Overview =====
===== Overview ===== <!--T:2-->
This document aims to provide an overview on the pre-requisites required to create, compile and execute a simple KDE Application (windowed GUI application) using Kubuntu 20.04.


As most Linux distributions, including Kubuntu, do not install the necessary development packages - additional steps are required to get 'up and running' and be able to create a KDE Qt application.
<!--T:3-->
This document aims to provide an overview of the pre-requisites required to create, compile, and execute a simple KDE Application (windowed GUI application) using Kubuntu 20.04.


===== Pre-requisites =====
<!--T:4-->
It is assumed that a 'Minimal' installation is performed of Kubuntu, which is running. Refer to this guide on how to setup a Virtual Machine for development: https://community.kde.org/Get_Involved/development/Developing_in_a_virtual_machine
As most Linux distributions do not provide development packages by default, additional steps are required to get 'up and running' and be able to create a KDE Qt application, quickly.


===== Instructions =====
===== Pre-requisites ===== <!--T:5-->


1. Referring to https://techbase.kde.org/Development/Tutorials/Setting_Up
<!--T:6-->
It is assumed that a 'Minimal' installation of Kubuntu is performed. Refer to this guide on how to set up a Virtual Machine for development: https://community.kde.org/Get_Involved/development/Developing_in_a_virtual_machine


<!--T:7-->
Upon a Kubuntu installation is up and running, follow the instructions below.
==== Instructions ==== <!--T:8-->
===== 1. Install additional development packages from the Kubuntu repository ===== <!--T:9-->
<!--T:10-->
Referring to the [https://techbase.kde.org/Development/Tutorials/Setting_Up Setting Up] guide under 'Easy as pie: Package manager', it is much quicker to install the KDE development packages provided from the Kubuntu repository than recompile everything from source.
<!--T:11-->
Run the following command in 'Konsole' to install additional KDE framework library and development tools:
<!--T:12-->
<syntaxhighlight lang="bash">
<syntaxhighlight lang="bash">
sudo apt install cmake
sudo apt install libkf5syntaxhighlighting-dev cmake clang-8 libkf5config-dev libkf5auth-dev libkf5package-dev libkf5declarative-dev libkf5coreaddons-dev libkf5dbusaddons-dev libkf5kcmutils-dev libkf5i18n-dev libqt5core5a libqt5widgets5 libqt5gui5 libqt5qml5 extra-cmake-modules qtbase5-dev kirigami2-dev libkf5kirigami2-5 libkf5notifications-dev qml-module-org-kde-kirigami2 qml-module-qtquick-dialogs qml-module-qtquick-controls2 cmake build-essential gettext libkf5crash-dev libkf5doctools-dev
</syntaxhighlight>
</syntaxhighlight>


2. Install KDevelop
===== 2. Install KDevelop===== <!--T:13-->


<!--T:14-->
<syntaxhighlight lang="bash">
<syntaxhighlight lang="bash">
sudo apt install kdevelop
sudo apt install kdevelop
</syntaxhighlight>
</syntaxhighlight>


3. Install additional dependances
=====3. Create a basic KDE Application using an existing template===== <!--T:15-->
 
<!--T:16-->
[[File:Screenshot 20200616 162007.jpg|thumb|KDE C++ KDevelop Template]]
 
<!--T:17-->
Now you should be in a position to be able to create a simple KDE application in KDevelop by performing the following in the menu: Project -> New From Template -> Qt -> Graphical -> C++ KDE Framework


<syntaxhighlight lang="bash">
<!--T:18-->
sudo apt install clang-8
This example project should now compile and execute without KDevelop complaining.
sudo apt-get install libkf5config-dev libkf5auth-dev libkf5package-dev libkf5declarative-dev libkf5coreaddons-dev libkf5dbusaddons-dev libkf5kcmutils-dev libkf5i18n-dev libqt5core5a libqt5widgets5 libqt5gui5 libqt5qml5 extra-cmake-modules qtbase5-dev kirigami2-dev libkf5kirigami2-5 libkf5notifications-dev qml-module-org-kde-kirigami2 qml-module-qtquick-dialogs qml-module-qtquick-controls2 cmake build-essential gettext
 
sudo apt install libkf5crash-dev
<!--T:19-->
sudo apt install libkf5doctools-dev
You are now up and running! It should also now be possible to use Qt Creator should this be a preferred option.
</syntaxhighlight>
 
==== Other Useful Guides and References ==== <!--T:20-->
 
<!--T:21-->
* [https://community.kde.org/Get_Involved/development/Developing_in_a_virtual_machine Developing in a virtual machine]
 
<!--T:22-->
* [https://techbase.kde.org/Development/Tutorials/First_program Building your first program]
 
<!--T:23-->
* [https://techbase.kde.org/KDE_Frameworks#Step_1:_Install_the_Framework_you_need An Overview of the KDE Frameworks]
 
<!--T:24-->
* [https://community.kde.org/Get_Involved/development#One-time_setup:_your_development_environment Getting involved]
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Latest revision as of 10:46, 14 September 2023

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Building your first KDE application using Kubuntu Linux 20.04

Overview

This document aims to provide an overview of the pre-requisites required to create, compile, and execute a simple KDE Application (windowed GUI application) using Kubuntu 20.04.

As most Linux distributions do not provide development packages by default, additional steps are required to get 'up and running' and be able to create a KDE Qt application, quickly.

Pre-requisites

It is assumed that a 'Minimal' installation of Kubuntu is performed. Refer to this guide on how to set up a Virtual Machine for development: https://community.kde.org/Get_Involved/development/Developing_in_a_virtual_machine

Upon a Kubuntu installation is up and running, follow the instructions below.

Instructions

1. Install additional development packages from the Kubuntu repository

Referring to the Setting Up guide under 'Easy as pie: Package manager', it is much quicker to install the KDE development packages provided from the Kubuntu repository than recompile everything from source.

Run the following command in 'Konsole' to install additional KDE framework library and development tools: 

sudo apt install libkf5syntaxhighlighting-dev cmake clang-8 libkf5config-dev libkf5auth-dev libkf5package-dev libkf5declarative-dev libkf5coreaddons-dev libkf5dbusaddons-dev libkf5kcmutils-dev libkf5i18n-dev libqt5core5a libqt5widgets5 libqt5gui5 libqt5qml5 extra-cmake-modules qtbase5-dev kirigami2-dev libkf5kirigami2-5 libkf5notifications-dev qml-module-org-kde-kirigami2 qml-module-qtquick-dialogs qml-module-qtquick-controls2 cmake build-essential gettext libkf5crash-dev libkf5doctools-dev
2. Install KDevelop
sudo apt install kdevelop
3. Create a basic KDE Application using an existing template
KDE C++ KDevelop Template

Now you should be in a position to be able to create a simple KDE application in KDevelop by performing the following in the menu: Project -> New From Template -> Qt -> Graphical -> C++ KDE Framework

This example project should now compile and execute without KDevelop complaining.

You are now up and running! It should also now be possible to use Qt Creator should this be a preferred option.

Other Useful Guides and References

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