/usr/share/help/ca/gnome-devel-demos/scale.vala.page is in gnome-devel-docs 3.14.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | <?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" xmlns:xi="http://www.w3.org/2001/XInclude" type="guide" style="task" id="scale.vala" xml:lang="ca">
<info>
<title type="text">Scale (Vala)</title>
<link type="guide" xref="beginner.vala#entry"/>
<link type="seealso" xref="grid.vala"/>
<link type="seealso" xref="label.vala"/>
<revision version="0.1" date="2012-06-07" status="draft"/>
<credit type="author copyright">
<name>Tiffany Antopolski</name>
<email its:translate="no">tiffany.antopolski@gmail.com</email>
<years>2012</years>
</credit>
<desc>A slider widget for selecting a value from a range</desc>
</info>
<title>Scale</title>
<media type="image" mime="image/png" src="media/scale.png"/>
<p>Slide the scales!</p>
<code mime="text/x-csharp" style="numbered">/* This is the application. */
public class MyApplication : Gtk.Application {
Gtk.Scale h_scale;
Gtk.Scale v_scale;
Gtk.Label label;
/* Override the 'activate' signal of GLib.Application. */
protected override void activate () {
var window = new Gtk.ApplicationWindow (this);
window.title = "Scale Example";
window.set_default_size (400, 300);
window.set_border_width (5);
h_scale = new Gtk.Scale.with_range (Gtk.Orientation.HORIZONTAL, 0.0, 100.0, 5.0);
h_scale.set_digits (0); //number of decimal places displayed
h_scale.set_valign (Gtk.Align.START); //horizontal alignment
var adjustment = new Gtk.Adjustment (42.0, 0.0, 100.0, 5.0, 10.0, 0.0);
v_scale = new Gtk.Scale (Gtk.Orientation.VERTICAL, adjustment);
v_scale.set_vexpand(true);
label = new Gtk.Label ("Move the scale handles...");
var grid = new Gtk.Grid ();
grid.set_column_spacing (10); //amount of space between columns
grid.set_column_homogeneous (true); //all columns same width
grid.attach (h_scale, 0, 0, 1, 1);
grid.attach_next_to (v_scale, h_scale, Gtk.PositionType.RIGHT, 1, 1);
grid.attach (label, 0, 1, 2, 1);
h_scale.value_changed.connect (scale_moved);
v_scale.value_changed.connect (scale_moved);
window.add (grid);
window.show_all ();
}
/* Callback function for "value-changed" signal.
* The paramter refers to the scale which emitted the signal.
* Since we are accessing the values of not one, but two scales,
* we made the ranges instance variables, and ignore the
* parameter.
*/
void scale_moved (Gtk.Range range) {
label.set_text ("Horizontal scale is %.1f; vertical scale is %.1f.".printf (h_scale.get_value (), v_scale.get_value ()));
}
}
/* main creates and runs the application. */
public int main (string[] args) {
return new MyApplication ().run (args);
}
</code>
<p>
In this sample we used the following:
</p>
<list>
<item><p><link href="http://www.valadoc.org/gtk+-3.0/Gtk.Scale.html">Gtk.Scale</link></p></item>
<item><p><link href="http://www.valadoc.org/gtk+-3.0/Gtk.Adjustment.html">Gtk.Adjustment</link></p></item>
<item><p><link href="http://www.valadoc.org/gtk+-3.0/Gtk.PositionType.html">Gtk.PositionType</link></p></item>
<item><p><link href="http://www.valadoc.org/gtk+-3.0/Gtk.Orientation.html">Gtk.Orientation</link></p></item>
</list>
</page>
|