vala Questions
4
Solved
We are trialing Gtk3/Vala/Genie for the development of application user interfaces using Gnome-Builder/Meson/Glade/Flatpak. While there are many examples of Gtk.HeaderBar.pack_start( ... ) and Gtk....
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What is the best way to bind multiple keyboard shortcuts to one action in GTK+ 3?
I have been searching for an answer to this for a few days and have come up with naught. The function gtk_accelera...
2
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I have a window in a Vala application and an image inside it.
This image is changed sometimes by img.set_from_pixbuf(imgdata); and so it's size changes as well. It's embedded in a Gtk.Box.
box = n...
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3
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I would like to execute a command (like ls) in Vala, like the Python os.system function, or, better, the popen function. Any idea ?
3
What's the best way to open a file in the default application from Vala?
A bit like how xdg-open works.
Curst asked 26/2, 2019 at 13:16
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Is it save to use cast to int instead of Math.floor to convert float / double values to integers?
var scale = 1.5;
int foo1 = (int)scale;
int foo2 = Math.floor(scale);
Cory asked 11/2, 2019 at 10:58
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I am using Glib.Settings in my Vala application. And I want to make sure that my program will work okay even when the schema or key is not available. So I've added a try/catch block, but if I'm usi...
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From what I have read, core Gnome development began with C and this was extended by Vala (2006) and Genie (2008). Vala syntax appears to have been aimed at the Java/C# syntax/developer, whereas Gen...
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From Linux, I'm using Meson (0.44.0) within Gnome Builder (3.26.4) for a console program that will use Gee and GXml. My intent is to write this in Genie.
When I use Meson within Gnome Builder it f...
Dandify asked 20/2, 2018 at 8:38
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I am new to Vala programming and have experiences with Java and .NET yet I haven't been able to find anything useful on how to log with Vala. Is there any useful logging facility like log4j or log4...
Scuppernong asked 1/5, 2012 at 16:28
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Double question here.
So I built a simple GUI app with Clojure (using seesaw) in just a few minutes and that was really fun! But now I don't know how to actually release it. I would like it to run...
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I'm new to Vala. I'm not familiar with GObject. As I understand it, GObject was spun off from the GLib project from GNOME. Correct me if I'm wrong.
I do like the syntax and implementation of Vala ...
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I've been learning to develop to Gtk and most of the examples online suggests the use of Gtk.stock icons. However, its use produces warnings that it has been deprecated and I can't find the alterna...
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Solved. See the reply for examples.
I have a container with children. I need to delete all the children. This is easy in C. Vala does not work.
The following code produces an error missing type a...
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I need add some log informations with souce file name, function name,
line number etc...
I have check the official docs, but not found...
so, how to do for it ?
Linkoski asked 17/3, 2016 at 9:6
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I'm coding a game for iphone in ooc language (a new language that compiles to c) using OpenGL. It's really going well, and ooc is a language I really like. Now I've just found out about Vala and I ...
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I am writing a Vala application and using GtkLabels' in it. Problem is, I made my main window not resizable and when I'm adding labels with a long text to it, the window gets very big (when the win...
Westnorthwest asked 13/12, 2014 at 19:46
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Why, and what does the three vala constructors ?
class construct
construct
method with class name
and more specific, why the 3rd construct is never called when using it from a Gtk.Builder file?...
Pulliam asked 7/10, 2015 at 23:9
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The Vala Tutorial has an example about DBus using anonymous methods.
Bus.own_name (BusType.SESSION, "org.example.DemoService", /* name to register */
BusNameOwnerFlags.NONE, /* flags */
on_bus_a...
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I'm new to Vala and so far I think it's pretty cool but I'm having trouble understanding inheritance. I read here that I should use base() to call the parents constructor. Alright, cool, seems unde...
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Is Vala generated code are optimized like normal hand-written C code? Is there any performance overhead in using GObject system over not using it?
NOTE: In my next C project I am researching over ...
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Can someone explain what's the difference between async methods and creating a thread in Vala? And where I should use one or another in my code?
Stasny asked 13/11, 2014 at 15:42
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As a programmer who is new to Vala, what is your number one piece of advice to someone who is new to the language?
Grow asked 30/1, 2010 at 9:22
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I'd like to hack on an existing GLib based C project using Vala.
Basically what I'm doing is, at the beginning of my build process, using valac to generate .c and .h files from my .vala files and...
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