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Bienvenue dans Discover

« Un installeur d'applications pour le 22ème siècle »


Discover est votre nouveau guichet unique pour tout ce qui touche aux applications et aux modules externes. Il est conçu dès le départ pour être facilement manipulable par les utilisateurs et intégrable dans les distributions. C'est un endroit où le niveau de compétence ne vous bloque pas pour exécuter les actions que vous voulez, c'est à dire installer de nouvelles applications et de nouveaux modules externes !

Discover a été revu du début pour rendre l'expérience de son utilsation intuitive et claire. Nous avons basé notre travail sur la nouvelle technologie de Kirigami, sur les nouvelles technologies de livraison d'applications, et sur le système sécurisé du dépôt pour créer une application pour n 'importe quelle distribution et pour tout niveau de compétence - une application pleine de joie à utiliser et à transmettre à nos utilisateurs.

Qu'est-ce que Discover ?

Discover est prévu pour les utilisateurs et les distributions pour lesquels le terminal n'est pas la solution idéale pour l'installation d'applications, de modules externes, ou des mises à jour. Là où nous voulons quelque chose d'intuitif , de simple à utiliser et par dessus tout de fiable.

We've all been there, someone has copy pasted commands from some website and suddenly they destroyed their entire installation. From a users perspective, especially a new user or a casual user this is disastrous and they will not be able to easily discern where the fault is: this shady website or your distro.

With Discover the focus is to empower the user to browse, test, install apps and update the installation without the fear of disastrous misspellings and where trust is given, not taken.

Ce que Découvrir n'est pas

Discover may be much but it is not an experts application for minute control of repos. It is not a replacement intended to compete with the terminal for experienced expert users. Our goal has been to focus clearer on a certain set of users where an application such as this is not only needed, but critical to their usage. To do this we have excluded other user groups entirely from the application goals. This doesn't mean they can't use Discover just that their specific use cases may not be perfectly covered.

Discover is not perfectly "child safe". It will never be something with which you can force the hand of the user, we believe in empowerment and try to guide the user through safe choices, but never force them into an action. Do not expect Discover to remove those options from your users.

Comment utiliser Discover

Discover est fait pour s'en servir - il a été conçu pour être intuitif. Alors, essayez-le et jugez par vous-même.

Comment chercher des applications

The easiest way to search for an app is to simply start typing in the name or what the app is intended to do. The search field will always be selected by default and the only times it isn't nothing will happen, the search field is greyed out and when you click it you are brought back to the application search. So don't be scared of the keyboard!

La recherche se fait toujours dans la catégorie dans laquelle vous vous trouvez (ceci est également indiqué par le texte de la zone de saisie du champ de recherche), aussi vérifiez que vous explorez bien la catégorie que vous désirez rechercher avant d'entrer les mots à chercher.


If you just want to browse or feel unclear on what the application name is or how to best define it in text simply click either "Applications", "Plasma Add-ons", or "Application Add-ons". You will find complete applications in the "Applications" category, Plasma widgets and extensions in "Plasma Add-ons" and extensions for your apps like snippets for coding apps in Application Add-ons.

Let's focus on complete applications for now! Below you can see the category tree that is displayed when you click "Applications". Whenever you want to go back, the "Back" button underneath the search field and in the top of the categories will bring you back to the previous section! From this list of six categories you can go deeper into some categories to display subcategories by clicking them.


By clicking "back" you can always reach the starting point. From here you can continue searching freely. In the column in the middle/to the right in the application you have all installable apps or extensions. When you click them a third column on the right will open with detail info about that application or extension as it is available. You can now scroll through the list and click other apps to display detailed information about them. To remove the right-hand column click on one of the categories in the left column to bring you back to the beginning of your search.

(Si vous êtes un développeur d'applications, et que vous avez remarqué que votre application n'a pas d'informations ni de capture d'écran - voyez ci-dessous dans "Discover pour les développeurs")

Now try to resize the window. See what happens? Discover, using Kirigami the widget library for convergent apps will react and change to the size of screen you have available. Try resizing it to about the size of a cellphone. It reshapes to better fit that size.

Now to you sitting on a computer this means that if you have a smaller screen the right column will cover the center to give you the user more visual space for the application you chose to get more information on. To get back from that simply hit the back button in the left column!

Comment installer des applications

Installing an application is easy! When you've found the application that you want, simply click the "Install" button in the middle column and it will begin to install. If you are checking out the detailed information like the image below, you can also click "Install" in the bottom right of the right hand column.


L'installation avec Discover est aussi simple que cela.

Comment désinstaller des applications

To uninstall apps is just as easy as installing them. Simply find the application that you wish to uninstall in the normal manner - you can note that it has "remove" instead of "install" in the little button next to it. Then click it! All you have to do then is fill in your password and the application is removed directly without fuss.


You can also easily click "Installed" in the left hand column to see all applications and extensions you have installed in your system! That way you can simply scroll through the entire list and look for the app or extensions you wish to uninstall and with ease click "remove". That's all that's needed!


Comment mettre à jour les applications

Linux distributions come with upgrades, new releases of apps and system details, bugfixes and improvements. To be able to keep your system up to date and safe Discover has made it easier for you to upgrade. When the update section in the bottom the left column is bright yellow, that means that you have updates waiting for you. Just click it and you will be moved to this screen (you can as usual simply click in another area in the left column to leave it)


In the list you can see all the software that will be updated when you click "Update" at the top right. You can click each individual row to get further information about it. If something is not to your liking, simply uncheck it on the left of the name of the software and it will be held back from the update.

Comment maîtriser Discover

Dans cette section, nous aborderons la manière de gérer les mises à jour, les dépôts et comment faire les rapports de bogue.

Comment gérer les dépôts

Currently Discover focuses on stability and safety and interactions with repositories is beyond the scope of Discover in the current iteration (changing repositories is also potentially dangerous for inexperienced users). Future versions will include a more extensive repository feature and parts of the interface can be tested here.


Comment vérifier les mises à jour manuellement ?

Sometimes you may want to check the system for updates manually. Discover will check for you automatically, but perhaps you are waiting for something good and want to look to make sure it hasn't arrived yet. In that case go to "Settings" in the left column, click "More" at the top of the middle column and then "Check for updates".


How to file a bug


Navigation par le clavier

While usually the user will be interacting with Discover by using the mouse or touch interfaces, it's also possible to navigate it by using the keyboard.

Here's some useful default key combinations:

  • Ctrl+F: focus the search text field where we can type
  • Back/Forward or Alt+Left/Right: Navigates the panes horizontally
  • Enter: opens selected resource on a list
  • Up and down arrows: navigate vertical list pages
  • Escape: closes the right-most application pane (since Plasma 5.10)

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