Jan Grulich

Telegram desktop client for flatpak #2

Some time ago I posted a blog post about how I packed telegram desktop client for flatpak. I’ve been updating it since then in some reasonable intervals as I don’t have time to update it more often and mostly because the telegram client’s build system breaks my build quite oftenly. Recently I discovered that someone managed to patch telegram to use system Qt libraries instead of building own patched Qt and building linking it statically. After some time I managed to adjust those patches and make them work with my build which allows me┬áto use Qt from KDE runtimes. Here are new instructions how to get this work:

Add KDE runtimes repository and install runtimes
$ flatpak remote-add kde --from https://distribute.kde.org/kderuntime.flatpakrepo
$ flatpak install kde org.kde.Platform

And then you can install and run the telegram desktop client:
$ wget https://jgrulich.fedorapeople.org/telegram/keys/telegram.gpg
$ flatpak remote-add --gpg-import=telegram.gpg telegram-desktop https://jgrulich.fedorapeople.org/telegram/repo/
$ flatpak install telegram-desktop org.telegram.TelegramDesktopDevel
$ flatpak run org.telegram.TelegramDesktopDevel

Or install it from bundle
$ wget https://jgrulich.fedorapeople.org/telegram/telegram.flatpak
$ flatpak install --bundle telegram.flatpak

The reason I did the hard work to build it with Qt from KDE runtimes is that now you can use telegram with portals support if you run it with “-platform flatpak” parameter. Unfortunately this only makes openURI portal to work as telegram has some internal hacks or whatever to use gtk filedialog so for that reason I still allow to access user’s home directory. There is also a bug if you use telegram under KDE where it tries to use QSystemTrayIcon instead of libappindicator and unfortunately telegram’s system tray icon (the one using QSystemTrayIcon) works only with Qt 5.6.2 and in KDE runtimes we have Qt 5.7.1. The system tray icon is visible, but its context menu doesn’t work so if you want to have fully working system tray icon you have to use “–env=XDG_CURRENT_DESKTOP=gnome” flatpak parameter to force it to use libappindicator.

And that’s it. Sorry you had telegram broken for couple of days while I was fighting with it, but hopefully it will work perfectly now.

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