/usr/share/doc/libgtkspell3-3-dev/examples/advanced.c is in libgtkspell3-3-dev 3.0.9-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* This example demonstrates detaching and reattaching GtkSpell. */
#include <gtk/gtk.h>
#include <gtkspell/gtkspell.h>
GtkWidget *window, *attached, *view;
GtkSpellChecker *spell;
static void
report_gtkspell_error (const char *err)
{
GtkWidget *dlg;
dlg = gtk_message_dialog_new (GTK_WINDOW (window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"GtkSpell error: %s", err);
gtk_dialog_run (GTK_DIALOG (dlg));
gtk_widget_destroy (dlg);
}
static void
attach_cb ()
{
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (attached)))
{
gtk_spell_checker_attach (spell, GTK_TEXT_VIEW (view));
}
else
{
gtk_spell_checker_detach (spell);
}
}
int
main (int argc, char* argv[])
{
GtkWidget *box, *hbox, *scroll;
GError *error = NULL;
gtk_init (&argc, &argv);
spell = gtk_spell_checker_new ();
g_object_ref_sink (spell);
if (!gtk_spell_checker_set_language (spell, "en_US", &error))
{
report_gtkspell_error (error->message);
g_error_free(error);
}
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
view = gtk_text_view_new ();
gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (view), GTK_WRAP_WORD);
scroll = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroll),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scroll),
GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (scroll), view);
#if GTK_MAJOR_VERSION == 2
hbox = gtk_hbox_new (FALSE, 5);
#elif GTK_MAJOR_VERSION == 3
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
#else
#error Unsupported GTK version
#endif
attached = gtk_toggle_button_new_with_label ("Attached");
g_signal_connect (attached, "toggled", G_CALLBACK (attach_cb), NULL);
gtk_box_pack_start (GTK_BOX (hbox), attached, FALSE, FALSE, 0);
#if GTK_MAJOR_VERSION == 2
box = gtk_vbox_new (FALSE, 5);
#elif GTK_MAJOR_VERSION == 3
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
#else
#error Unsupported GTK version
#endif
gtk_box_pack_start (GTK_BOX (box), scroll, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (box), hbox, FALSE, FALSE, 0);
gtk_widget_show_all (box);
gtk_window_set_default_size (GTK_WINDOW (window), 400, 300);
gtk_window_set_title (GTK_WINDOW (window),
"\"Advanced\" GtkSpell Demonstration");
gtk_container_set_border_width (GTK_CONTAINER (window), 10);
g_signal_connect (G_OBJECT (window), "delete-event",
G_CALLBACK (gtk_main_quit), NULL);
gtk_container_add (GTK_CONTAINER (window), box);
gtk_widget_show (window);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (attached), TRUE);
gtk_main ();
g_object_unref (spell);
return 0;
}
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