7
votes
Accepted
Concern about the future of vala
Emmanuele's position seems to be that there are better alternatives to Vala, so you should use them instead; based on his tweet about LLVM-based languages, I'm guessing he is a fan of Rust. I've ...
- 430
5
votes
Accepted
How to install Vala on elementary OS
You should check the elementary Development Guide. In the section "Developer SDK" we cover grabbing essential development libraries, including the Vala compiler.
For development tasks, you're going ...
- 9,734
4
votes
Concern about the future of vala
More update: I came from the future. Vala is still alive and kicking!
Update: They would and pretty much they are the upstream considering the commits come from them.
People keep pushing code ...
- 892
3
votes
Accepted
Proper way to include assets when compiling a Vala GUI program
This is one of those things where you probably want to use a build system to handle everything for you.
First you need an XML file to describe your resources. Something like
<?xml version="1.0" ...
- 430
3
votes
Accepted
Customizing existing Vala app
After change, how can I see the output of changed code? Do I have to build each time?
Yes, that's how compiled languages work. Note, however, that the build system will skip a lot of work it doesn't ...
- 430
3
votes
Accepted
Using Granite with a different language besides Vala
Granite is written in Vala, so it provides a C API which you can use from C++. Using it should be fairly straightforward; just #include <granite.h> in your code, and build with something like
...
- 430
3
votes
How to use Gtk.Popover() in Vala?
You can associate the popover creation with a button event, like in the following example:
var button = new Gtk.Button ();
var imag = new Gtk.Image.from_icon_name ("help-info", Gtk.IconSize.MENU);
...
- 2,278
3
votes
Accepted
GTK+ Incorrect Window Size
One of these windows is using client-side decorations and the other is using sever-side decorations. There is a bug right now where client-side decorations include the shadow as part of the window ...
- 9,734
3
votes
Accepted
I want to add the listbox scroll fade effect in my app - how?
The most common way a designer can do this is by applying on an upper layer a semitransparent png image or gradient with fading transparency from 1 to 0 and white color. Another option is a gtk box ...
- 1,304
2
votes
Accepted
GLib.OptionEntry vs. Granite.Application.options
take a look at this commit for a possible solution.
http://bazaar.launchpad.net/~elementary-apps/screenshot-tool/trunk/revision/147
- 2,879
2
votes
How does using extern functions work?
What you're looking at here is an interface with an abstract method. Virtually all OOP languages have a similar concept to interfaces, but since you didn't specify which language(s) you do know I can'...
- 430
2
votes
Accepted
Language Translations not working in Bookworm
This issue was due to a line in the code pointing at a wrong place for the translations:
Intl.bindtextdomain(GETTEXT_PACKAGE, "./locale");
Many thanks to Corentin Noel for spotting the issue.
- 299
2
votes
Concern about the future of vala
It's important to understand how GNOME works: individual contributors can say whatever they want as “PSAs” on social media, but the GNOME Foundation does not have an official stance on Vala.
In fact, ...
- 1,924
2
votes
Accepted
Using cmake on Juno
I'm still on Loki, but it seems like the required FindVala.cmake file would come from cmake-elementary:
$ dpkg-query -L cmake-elementary
...
/usr/share/cmake-3.5/Modules/FindVala.cmake
...
which is ...
- 136
2
votes
Elementary app feasibility: modify any current text input
All feature requests must be written to the proper GitHub page, they do not belong here.
I believe that in your case gala is a good starting point.
https://github.com/elementary/gala
Good luck
- 1,972
2
votes
Accepted
Can't make Gtk.TextView () fill whole parent Gtk.Box
A lovely application you built here, I particularly like the native indicator!
Looking into your Application.css:
.command_wrapper {
background-color: #fdf6e3;
border-radius: 3px;
...
- 2,205
1
vote
Accepted
Can not able to get exact value of `%u` in Vala program
You're assigning the return value to age. The return value for scanf is documented as:
On success, these functions return the number of input items successfully matched and assigned; this can be ...
- 430
1
vote
Accepted
Linked style doesn't work for buttons
The Gtk.HeaderBar provides special styling for Gtk.Button's so that they look good inside it.
The solution:
In your case the solution is easy: remove the image-button style class from the ...
- 161
1
vote
Accepted
Compiling with custom vapi leads to error
Instead of CUSTOM_VAPIS I had to use --vapidir option.
vala_precompile(VALA_C ${EXEC_NAME}
...
PACKAGES
...
# CUSTOM_VAPIS
# ../vapi/libgtop-2.0.vapi
OPTIONS
--vapidir=${...
- 180
1
vote
Missing Library
For this kind of errors I always search in the AUR for missing dependencies, when I install all the dependencies the problem, most of times fixes, if not you should read the oficial git/webpage ...
- 310
1
vote
Accepted
WebKitGTK not installed / unknown version detected
Found it: sudo apt-get build-dep pantheon-mail installs all dev dependencies.
- 123
1
vote
Accepted
Change Elementary OS Lock Screen Background With Vala and User Specific
I've found a solution in the official code of the elementary settings app.
[DBus (name = "org.freedesktop.Accounts.User")]
interface AccountsServiceUser : Object {
public abstract void ...
- 123
1
vote
Use of STYLE_CLASS_LINKED for Linked Buttons
This is actually a recently closed issue in our system stylesheet. See this issue report on GitHub. An update containing this fix should be available relatively soon.
- 9,734
1
vote
Accepted
Use of STYLE_CLASS_LINKED for Linked Buttons
In Files, view switch use Gtk.STYLE_CLASS_FLAT instead Gtk.STYLE_CLASS_LINKED.
However , you can use Granite.Widgets.ModeButton
You can see the code at :
Files on Launchpad: linked
Files on ...
- 2,278
1
vote
Can't find gtk header file for vala-code compilation
Just had the same issue on elementary OS Hera. I've fixed it by adding this line to my .bashrc:
export PKG_CONFIG_PATH="/usr/share/pkgconfig:/usr/lib/pkgconfig:/usr/lib/x86_64-linux-gnu/pkgconfig:$...
- 11
1
vote
Accepted
StatusIcon not showing/working
GtkStatusIcon is deprecated since GTK 3.14. It is more for Windows and KDE and not supported on elementary OS or Gnome 3.
- 2,879
1
vote
Determine if Notebook or Desktop in Vala
What makes you think it's not possible to adjust brightness on a desktop? It may not be possible on your desktop, but that doesn't mean it isn't possible on someone else's…
You're also going to run ...
- 430
1
vote
Error while compiling latest source of Files
Those two errors are pretty self-explanatory. Granite.Widgets.StorageBar.with_total_usage and Granite.Widgets.StorageBar.ItemDescription.FILES don't exist in the version of granite you have installed....
- 430
1
vote
Can't build package from developer getting started doc
As @lemonslice said - the answer is to install the SDK package in a terminal window:
sudo apt install elementary-sdk
Did you get your app working? I'm just going through unanswered questions, and ...
- 712
Only top scored, non community-wiki answers of a minimum length are eligible