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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 void
response_cb (GtkWidget *dialog,
int response_id,
gpointer data)
{
gtk_window_destroy (GTK_WINDOW (dialog));
}
static gboolean
activate_link (GtkWidget *label,
const char *uri,
gpointer data)
{
if (g_strcmp0 (uri, "keynav") == 0)
{
GtkWidget *dialog;
GtkWidget *parent;
parent = GTK_WIDGET (gtk_widget_get_root (label));
dialog = gtk_message_dialog_new_with_markup (GTK_WINDOW (parent),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_INFO,
GTK_BUTTONS_OK,
"Keyboard navigation");
gtk_message_dialog_format_secondary_markup (GTK_MESSAGE_DIALOG (dialog),
"The term <i>keynav</i> is a shorthand for "
"keyboard navigation and refers to the process of using "
"a program (exclusively) via keyboard input.");
gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
gtk_window_present (GTK_WINDOW (dialog));
g_signal_connect (dialog, "response", G_CALLBACK (response_cb), NULL);
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 "
"searching on <a href=\"http://www.google.com/\">"
"<span color=\"#0266C8\">G</span><span color=\"#F90101\">o</span>"
"<span color=\"#F2B50F\">o</span><span color=\"#0266C8\">g</span>"
"<span color=\"#00933B\">l</span><span color=\"#F90101\">e</span>"
"</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);
gtk_widget_show (label);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show (window);
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}
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