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/* Links
*
* GtkLabel can show hyperlinks. The default action is to call
* gtk_show_uri() on their URI, but it is possible to override
* this with a custom handler.
*/
#include <gtk/gtk.h>
static gboolean
activate_link (GtkWidget *label,
const char *uri,
gpointer data)
{
if (g_strcmp0 (uri, "keynav") == 0)
{
GtkAlertDialog *dialog;
dialog = gtk_alert_dialog_new ("Keyboard navigation");
gtk_alert_dialog_set_detail (dialog,
"The term ‘keynav’ is a shorthand for "
"keyboard navigation and refers to the process of using "
"a program (exclusively) via keyboard input.");
gtk_alert_dialog_show (dialog, GTK_WINDOW (gtk_widget_get_root (label)));
g_object_unref (dialog);
return TRUE;
}
return FALSE;
}
GtkWidget *
do_links (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
GtkWidget *label;
if (!window)
{
window = gtk_window_new ();
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "Links");
gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
label = gtk_label_new ("Some <a href=\"http://en.wikipedia.org/wiki/Text\""
"title=\"plain text\">text</a> may be marked up "
"as hyperlinks, which can be clicked "
"or activated via <a href=\"keynav\">keynav</a> "
"and they work fine with other markup, like when "
"linking to <a href=\"http://www.flathub.org/\"><b>"
"<span letter_spacing=\"1024\" underline=\"none\" color=\"pink\" background=\"darkslategray\">Flathub</span>"
"</b></a>.");
gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
gtk_label_set_max_width_chars (GTK_LABEL (label), 40);
gtk_label_set_wrap (GTK_LABEL (label), TRUE);
gtk_label_set_wrap_mode (GTK_LABEL (label), PANGO_WRAP_WORD);
g_signal_connect (label, "activate-link", G_CALLBACK (activate_link), NULL);
gtk_widget_set_margin_start (label, 20);
gtk_widget_set_margin_end (label, 20);
gtk_widget_set_margin_top (label, 20);
gtk_widget_set_margin_bottom (label, 20);
gtk_window_set_child (GTK_WINDOW (window), label);
}
if (!gtk_widget_get_visible (window))
gtk_widget_set_visible (window, TRUE);
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}
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