listing.html

gtk_text program sample&eg

    {
      gint x, y, w, h;
      if ( gnome_parse_geometry( geometry, 
                                 &x, &y, &w, &h ) ) 
        {
          if (x != -1)
            {
              gtk_widget_set_uposition(app, x, y);
            }

          if (w != -1) 
            {
              gtk_window_set_default_size(GTK_WINDOW(app), w, h);
            }
        }
      else 
        {
          g_error(_("Could not parse geometry string `%s'"), geometry);
        }
    }


  if (greet != NULL)
    {
      GtkWidget* dialog;
      gchar* greetings = g_strdup(_("Special Greetings to:\n"));
      GSList* tmp = greet;

      while (tmp != NULL)
        {
          gchar* old = greetings;

          greetings = g_strconcat(old, 
                                  (gchar*) tmp->data,
                                  "\n",
                                  NULL);
          g_free(old);

          tmp = g_slist_next(tmp);
        }
      
      dialog = gnome_ok_dialog(greetings);

      g_free(greetings);

      gnome_dialog_set_parent(GNOME_DIALOG(dialog), GTK_WINDOW(app));
    }

  app_list = g_slist_prepend(app_list, app);

  return app;
}

void       
hello_app_close(GtkWidget* app)
{
  g_return_if_fail(GNOME_IS_APP(app));

  app_list = g_slist_remove(app_list, app);

  gtk_widget_destroy(app);

  if (app_list == NULL)
    {
      /* No windows remaining */
      gtk_main_quit();
    }
}

static gint 
delete_event_cb(GtkWidget* window, GdkEventAny* e, gpointer data)
{
  hello_app_close(window);

  /* Prevent the window's destruction, since we destroyed it 
   * ourselves with hello_app_close()
   */
  return TRUE;
}

static void 
button_click_cb(GtkWidget* w, gpointer data)
{
  GtkWidget* label;
  gchar* text;
  gchar* tmp;

  label = GTK_WIDGET(data);

  gtk_label_get(GTK_LABEL(label), &text);

  tmp = g_strdup(text);

  g_strreverse(tmp);

  gtk_label_set_text(GTK_LABEL(label), tmp);

  g_free(tmp);
}


</pre>
              </td>
            </tr>
          </table>
        </div>
        <div class="SECT2">
          <h2 class="SECT2">
            <a name="Z873"><tt class="FILENAME">menus.h</tt></a>
          </h2>
          <table border="0" bgcolor="#E0E0E0" width="100%">
            <tr>
              <td>
<pre class="PROGRAMLISTING">
&#13;
#ifndef GNOMEHELLO_MENUS_H
#define GNOMEHELLO_MENUS_H

#include &lt;gnome.h&gt;

void hello_install_menus_and_toolbar(GtkWidget* app);
      
#endif

&#13;
</pre>
              </td>
            </tr>
          </table>
        </div>
        <div class="SECT2">
          <h2 class="SECT2">
            <a name="Z874"><tt class="FILENAME">menus.c</tt></a>
          </h2>
          <table border="0" bgcolor="#E0E0E0" width="100%">
            <tr>
              <td>
<pre class="PROGRAMLISTING">
&#13;
#include &lt;config.h&gt;
#include "menus.h"
#include "app.h"

static void nothing_cb(GtkWidget* widget, gpointer data);
static void new_app_cb(GtkWidget* widget, gpointer data);
static void close_cb  (GtkWidget* widget, gpointer data);
static void exit_cb   (GtkWidget* widget, gpointer data);
static void about_cb  (GtkWidget* widget, gpointer data);


static GnomeUIInfo file_menu [] = {
  GNOMEUIINFO_MENU_NEW_ITEM(N_("_New Hello"),
                            N_("Create a new hello"),
                            new_app_cb, NULL),

  GNOMEUIINFO_MENU_OPEN_ITEM(nothing_cb, NULL),

  GNOMEUIINFO_MENU_SAVE_ITEM(nothing_cb, NULL),

  GNOMEUIINFO_MENU_SAVE_AS_ITEM(nothing_cb, NULL),

  GNOMEUIINFO_SEPARATOR,

  GNOMEUIINFO_MENU_CLOSE_ITEM(close_cb, NULL),

  GNOMEUIINFO_MENU_EXIT_ITEM(exit_cb, NULL),

  GNOMEUIINFO_END
};

static GnomeUIInfo edit_menu [] = {
  GNOMEUIINFO_MENU_CUT_ITEM(nothing_cb, NULL), 
  GNOMEUIINFO_MENU_COPY_ITEM(nothing_cb, NULL),
  GNOMEUIINFO_MENU_PASTE_ITEM(nothing_cb, NULL),
  GNOMEUIINFO_MENU_SELECT_ALL_ITEM(nothing_cb, NULL), 
  GNOMEUIINFO_MENU_CLEAR_ITEM(nothing_cb, NULL),
  GNOMEUIINFO_MENU_UNDO_ITEM(nothing_cb, NULL),
  GNOMEUIINFO_MENU_REDO_ITEM(nothing_cb, NULL), 
  GNOMEUIINFO_MENU_FIND_ITEM(nothing_cb, NULL), 
  GNOMEUIINFO_MENU_FIND_AGAIN_ITEM(nothing_cb, NULL), 
  GNOMEUIINFO_MENU_REPLACE_ITEM(nothing_cb, NULL),
  GNOMEUIINFO_MENU_PROPERTIES_ITEM(nothing_cb, NULL),
  GNOMEUIINFO_END
};

static GnomeUIInfo help_menu [] = {
  GNOMEUIINFO_HELP ("gnome-hello"),
  
  GNOMEUIINFO_MENU_ABOUT_ITEM(about_cb, NULL),
  
  GNOMEUIINFO_END
};

static GnomeUIInfo menu [] = {
  GNOMEUIINFO_MENU_FILE_TREE(file_menu),
  GNOMEUIINFO_MENU_EDIT_TREE(edit_menu),
  GNOMEUIINFO_MENU_HELP_TREE(help_menu),
  GNOMEUIINFO_END
};

static GnomeUIInfo toolbar [] = {
  GNOMEUIINFO_ITEM_STOCK (N_("New"), N_("Create a new hello"), nothing_cb, GNOME_STOCK_PIXMAP_NEW),

  GNOMEUIINFO_SEPARATOR,

  GNOMEUIINFO_ITEM_STOCK (N_("Prev"), N_("Previous hello"), nothing_cb, GNOME_STOCK_PIXMAP_BACK),
  GNOMEUIINFO_ITEM_STOCK (N_("Next"), N_("Next hello"), nothing_cb, GNOME_STOCK_PIXMAP_FORWARD),

  GNOMEUIINFO_END
};


void 
hello_install_menus_and_toolbar(GtkWidget* app)
{
  gnome_app_create_toolbar_with_data(GNOME_APP(app), toolbar, app);
  gnome_app_create_menus_with_data(GNOME_APP(app), menu, app);
  gnome_app_install_menu_hints(GNOME_APP(app), menu);
}

static void 
nothing_cb(GtkWidget* widget, gpointer data)
{
  GtkWidget* dialog;
  GtkWidget* app;
  
  app = (GtkWidget*) data;

  dialog = gnome_ok_dialog_parented(
          _("This does nothing; it is only a demonstration."),
          GTK_WINDOW(app));
}

static void 
new_app_cb(GtkWidget* widget, gpointer data)
{
  GtkWidget* app;

  app = hello_app_new(_("Hello, World!"), NULL, NULL);

  gtk_widget_show_all(app);
}

static void 
close_cb(GtkWidget* widget, gpointer data)
{
  GtkWidget* app;

  app = (GtkWidget*) data;

  hello_app_close(app);
}

static void 
exit_cb(GtkWidget* widget, gpointer data)
{
  gtk_main_quit();
}

static void 
about_cb(GtkWidget* widget, gpointer data)
{
  static GtkWidget* dialog = NULL;
  GtkWidget* app;

  app = (GtkWidget*) data;

  if (dialog != NULL) 
    {
      g_assert(GTK_WIDGET_REALIZED(dialog));
      gdk_window_show(dialog-&gt;window);
      gdk_window_raise(dialog-&gt;window);
    }
  else
    {        
      const gchar *authors[] = {
        "Havoc Pennington &lt;[e-mail]&gt;",
        NULL
      };

      gchar* logo = gnome_pixmap_file("gnome-hello-logo.png");

      dialog = gnome_about_new (_("GnomeHello"), VERSION,
                                "(C) 1999 Havoc Pennington",
                                authors,
                                _("A sample GNOME application."),
                                logo);

      g_free(logo);

      gtk_signal_connect(GTK_OBJECT(dialog),
                         "destroy",
                         GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                         &amp;dialog);

      gnome_dialog_set_parent(GNOME_DIALOG(dialog), GTK_WINDOW(app));

      gtk_widget_show(dialog);
    }
}


&#13;
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