gnome-devel-docs 3.28.0-1 / usr / share / help / es / gnome-devel-demos / spinner.c.page

This file is indexed.

/usr/share/help/es/gnome-devel-demos/spinner.c.page is in gnome-devel-docs 3.28.0-1.

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
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
<?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="spinner.c" xml:lang="es">
  <info>
    <title type="text">Spinner (C)</title>
    <link type="guide" xref="c#display-widgets"/>
    <link type="seealso" xref="togglebutton.c"/>
    <revision version="0.1" date="2012-06-14" status="draft"/>

    <credit type="author copyright">
      <name>Monica Kochofar</name>
      <email its:translate="no">monicakochofar@gmail.com</email>
      <years>2012</years>
    </credit>

    <desc>Una animación giratoria</desc>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Daniel Mustieles</mal:name>
      <mal:email>daniel.mustieles@gmail.com</mal:email>
      <mal:years>2011 - 2017</mal:years>
    </mal:credit>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Nicolás Satragno</mal:name>
      <mal:email>nsatragno@gmail.com</mal:email>
      <mal:years>2012 - 2013</mal:years>
    </mal:credit>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Jorge González</mal:name>
      <mal:email>jorgegonz@svn.gnome.org</mal:email>
      <mal:years>2011</mal:years>
    </mal:credit>
  </info>

  <title>Spinner</title>

  <media type="image" mime="image/png" src="media/spinner.png"/>
  <p>Este indicador de progreso está detenido y se inicia al pulsar la barra espaciadora.</p>

      <code mime="text/x-csrc" style="numbered">
#include &lt;gtk/gtk.h&gt;
 


 /*Global variable used to indicate active state of the
spinner. TRUE = active, FALSE = not-active. This is because 
there isn't a current function for C that does this for us*/
gboolean active;  
 


/*This is the callback function. It is a handler function 
which reacts to the signal. In this case, it will cause the 
spinner to start and stop according to how many times the user 
presses the spacebar.*/ 
static gboolean
key_pressed_event (GtkWidget *widget,
                   GdkEvent  *event,
                   gpointer   user_data)
{
  GtkWidget *spinner = user_data;
  guint keyval;
  
  /*Extracts the keyval from an event. And stores it in the  variable 
  "keyval" (we give the function the address). In this case, the 
  event is GdkEventKey, a key press event*/
  gdk_event_get_keyval (event, &amp;keyval);  

  /*Grabbing the boolean value from the spinner*/
  g_object_get (GTK_SPINNER (spinner), "active", &amp;active, NULL);
  
  if (keyval == GDK_KEY_space) {
     if (active) {
         gtk_spinner_stop (GTK_SPINNER (spinner));
     }
     else {
         gtk_spinner_start (GTK_SPINNER (spinner));
     } 
  }
  
return TRUE;
}
 


static void
activate (GtkApplication *app,
          gpointer        user_data)
{
  GtkWidget *window;
  GtkWidget *spinner;
 
  /*Create a window with a title, border width and a default size*/
  window = gtk_application_window_new (app);
 
  gtk_window_set_title (GTK_WINDOW (window), "Spinner Example");
  gtk_window_set_default_size (GTK_WINDOW (window), 200, 200);
  gtk_container_set_border_width (GTK_CONTAINER(window), 30);
 
  /*Create a spinner, with extra horizontal and vertical space*/
  spinner = gtk_spinner_new ();
  gtk_spinner_start (GTK_SPINNER (spinner));
  
  gtk_container_add (GTK_CONTAINER (window), spinner);
 
  /*Connecting the key-press-event signal to the callback*/
  g_signal_connect (GTK_WINDOW (window), "key-press-event", 
                    G_CALLBACK (key_pressed_event), spinner);
 
  gtk_widget_show_all (window);
}
 



int
main (int argc, char **argv)
{
  GtkApplication *app;
  int status;
 
  app = gtk_application_new ("org.gtk.example", G_APPLICATION_FLAGS_NONE);
  g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
  status = g_application_run (G_APPLICATION (app), argc, argv);
  g_object_unref (app);
 
  return status;
}
</code>
<p>En este ejemplo se usa lo siguiente:</p>
<list>
  <item><p><link href="http://developer.gnome.org/gtk3/3.4/GtkApplication.html">GtkApplication</link></p></item>
  <item><p><link href="http://developer.gnome.org/gtk3/3.4/GtkWindow.html">GtkWindow</link></p></item>
  <item><p><link href="http://developer.gnome.org/gobject/stable/gobject-The-Base-Object-Type.html#g-object-get">GObject</link></p></item>
  <item><p><link href="http://developer.gnome.org/gtk3/stable/GtkSpinner.html">GtkSpinner</link></p></item>
</list>
</page>

APT Browse - Built by Thomas Orozco.