gnome-devel-docs 3.28.0-1 / usr / share / help / el / gnome-devel-demos / scrolledwindow.c.page

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<?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="scrolledwindow.c" xml:lang="el">
  <info>
    <title type="text">ScrolledWindow (C)</title>
    <link type="guide" xref="c#scrolling"/>
    <link type="seealso" xref="textview.c"/>
    <link type="seealso" xref="image.c"/>
    <revision version="0.1" date="2012-08-20" status="draft"/>

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

    <desc>Προσθέτει γραμμές κύλισης στο θυγατρικό του γραφικό στοιχείου</desc>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Ελληνική μεταφραστική ομάδα GNOME</mal:name>
      <mal:email>team@gnome.gr</mal:email>
      <mal:years>2012-2015</mal:years>
    </mal:credit>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Δημήτρης Σπίγγος</mal:name>
      <mal:email>dmtrs32@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>Μαρία Θουκιδίδου</mal:name>
      <mal:email>marablack3@gmail.com</mal:email>
      <mal:years>2014</mal:years>
    </mal:credit>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Θάνος Τρυφωνίδης</mal:name>
      <mal:email>tomtryf@gmail.com</mal:email>
      <mal:years>2014, 2015</mal:years>
    </mal:credit>
  </info>

  <title>Κυλιόμενο παράθυρο (ScrolledWindow)</title>

  <media type="image" mime="image/png" src="media/scrolledwindow.png"/>
  <p>Μια εικόνα σε κυλιόμενο παράθυρο.</p>

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



static void
activate (GtkApplication *app,
          gpointer        user_data)
{
  /* Declare variables */
  GtkWidget *window;
  GtkWidget *scrolled_window;
  GtkWidget *image;

  /* Create a window with a title, and a default size */
  window = gtk_application_window_new (app);
  gtk_window_set_title (GTK_WINDOW (window), "ScrolledWindow Example");
  gtk_window_set_default_size (GTK_WINDOW (window), 220, 200);

  /* Create the scrolled window. Usually NULL is passed for both parameters so
   * that it creates the horizontal/vertical adjustments automatically. Setting
   * the scrollbar policy to automatic allows the scrollbars to only show up
   * when needed.
   */
  scrolled_window = gtk_scrolled_window_new (NULL, NULL);
  /* Set the border width */
  gtk_container_set_border_width (GTK_CONTAINER (scrolled_window), 10);
  /* Extract our desired image from a file that we have */
  image = gtk_image_new_from_file ("gnome-image.png");
  /* And add it to the scrolled window */
  gtk_container_add (GTK_CONTAINER (scrolled_window), image);
  /* Set the policy of the horizontal and vertical scrollbars to automatic.
   * What this means is that the scrollbars are only present if needed.
   */
  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                                  GTK_POLICY_AUTOMATIC,
                                  GTK_POLICY_AUTOMATIC);

  gtk_container_add (GTK_CONTAINER (window), scrolled_window);

  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>Σε αυτό το παράδειγμα χρησιμοποιήσαμε τα παρακάτω:</p>
<list>
  <item><p><link href="http://developer.gnome.org/gtk3/stable/GtkApplication.html">GtkApplication</link></p></item>
  <item><p><link href="http://developer.gnome.org/gtk3/stable/GtkWindow.html">GtkWindow</link></p></item>
  <item><p><link href="http://developer.gnome.org/gtk3/stable/GtkScrolledWindow.html">GtkScrolledWindow</link></p></item>
  <item><p><link href="http://developer.gnome.org/gtk/stable/gtk3-Standard-Enumerations.html#GtkPolicyType">GtkPolicyType</link></p></item>
</list>
</page>

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