mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-27 14:10:30 +00:00
94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/* Links
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*
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* GtkLabel can show hyperlinks. The default action is to call
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* gtk_show_uri() on their URI, but it is possible to override
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* this with a custom handler.
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*/
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#include <gtk/gtk.h>
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static void
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response_cb (GtkWidget *dialog,
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gint response_id,
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gpointer data)
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{
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gtk_window_destroy (GTK_WINDOW (dialog));
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}
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static gboolean
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activate_link (GtkWidget *label,
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const gchar *uri,
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gpointer data)
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{
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if (g_strcmp0 (uri, "keynav") == 0)
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{
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GtkWidget *dialog;
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GtkWidget *parent;
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parent = GTK_WIDGET (gtk_widget_get_root (label));
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dialog = gtk_message_dialog_new_with_markup (GTK_WINDOW (parent),
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GTK_DIALOG_DESTROY_WITH_PARENT,
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GTK_MESSAGE_INFO,
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GTK_BUTTONS_OK,
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"Keyboard navigation");
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gtk_message_dialog_format_secondary_markup (GTK_MESSAGE_DIALOG (dialog),
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"The term <i>keynav</i> is a shorthand for "
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"keyboard navigation and refers to the process of using "
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"a program (exclusively) via keyboard input.");
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gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
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gtk_window_present (GTK_WINDOW (dialog));
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g_signal_connect (dialog, "response", G_CALLBACK (response_cb), NULL);
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return TRUE;
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}
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return FALSE;
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}
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GtkWidget *
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do_links (GtkWidget *do_widget)
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{
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static GtkWidget *window = NULL;
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GtkWidget *label;
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if (!window)
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{
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window = gtk_window_new ();
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gtk_window_set_display (GTK_WINDOW (window),
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gtk_widget_get_display (do_widget));
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gtk_window_set_title (GTK_WINDOW (window), "Links");
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gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
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g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
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label = gtk_label_new ("Some <a href=\"http://en.wikipedia.org/wiki/Text\""
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"title=\"plain text\">text</a> may be marked up "
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"as hyperlinks, which can be clicked "
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"or activated via <a href=\"keynav\">keynav</a> "
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"and they work fine with other markup, like when "
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"searching on <a href=\"http://www.google.com/\">"
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"<span color=\"#0266C8\">G</span><span color=\"#F90101\">o</span>"
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"<span color=\"#F2B50F\">o</span><span color=\"#0266C8\">g</span>"
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"<span color=\"#00933B\">l</span><span color=\"#F90101\">e</span>"
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"</a>.");
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gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
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gtk_label_set_max_width_chars (GTK_LABEL (label), 40);
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gtk_label_set_wrap (GTK_LABEL (label), TRUE);
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gtk_label_set_wrap_mode (GTK_LABEL (label), PANGO_WRAP_WORD);
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g_signal_connect (label, "activate-link", G_CALLBACK (activate_link), NULL);
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gtk_widget_set_margin_start (label, 20);
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gtk_widget_set_margin_end (label, 20);
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gtk_widget_set_margin_top (label, 20);
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gtk_widget_set_margin_bottom (label, 20);
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gtk_window_set_child (GTK_WINDOW (window), label);
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gtk_widget_show (label);
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}
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if (!gtk_widget_get_visible (window))
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gtk_widget_show (window);
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else
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gtk_window_destroy (GTK_WINDOW (window));
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return window;
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}
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