From 1c5bb5671fd1cf54dcf801f78b0b1ab0e96c0fb9 Mon Sep 17 00:00:00 2001
From: "Ira W. Snyder" <devel@irasnyder.com>
Date: Mon, 14 Jan 2008 19:53:40 -0800
Subject: [PATCH] [Terminal] Add URL matching support

This adds the excellent URL matching support, mostly copied from the old
tilda_terminal.c.
---
 tilda-terminal.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)

diff --git a/tilda-terminal.c b/tilda-terminal.c
index 78a91bf..0accb98 100644
--- a/tilda-terminal.c
+++ b/tilda-terminal.c
@@ -7,6 +7,10 @@
 #define _(X) X
 #define N_(X) X
 
+#define DINGUS1 "(((news|telnet|nttp|file|http|ftp|https)://)|(www|ftp)[-A-Za-z0-9]*\\.)[-A-Za-z0-9\\.]+(:[0-9]*)?"
+#define DINGUS2 "(((news|telnet|nttp|file|http|ftp|https)://)|(www|ftp)[-A-Za-z0-9]*\\.)[-A-Za-z0-9\\.]+(:[0-9]*)?/[-A-Za-z0-9_\\$\\.\\+\\!\\*\\(\\),;:@&=\\?/~\\#\\%]*[^]'\\.}>\\) ,\\\"]"
+
+
 static void
 tilda_terminal_dbus_register_object (TildaTerminal *tt)
 {
@@ -175,6 +179,76 @@ tilda_terminal_window_title_changed_cb (GtkWidget *widget, gpointer data)
 	g_free (new_title);
 }
 
+/**
+ * Gets called whenever there is a button-press event in the VteTerminal. It
+ * is used to open the user's web browser, for example.
+ */
+static gint
+tilda_terminal_button_press_cb (GtkWidget      *widget,
+								GdkEventButton *event,
+								gpointer        data)
+{
+	GError *error = NULL;
+	TildaTerminal *self = TILDA_TERMINAL(data);
+	VteTerminal *terminal = VTE_TERMINAL(self->vte_term);
+	gint tag, xpad, ypad;
+	gchar *match, *cmd, *web_browser_cmd;
+	gboolean ret = FALSE;
+
+	switch (event->button)
+	{
+		case 3: /* Right Click */
+			// FIXME: need to add this
+			//popup_menu (tt->tw, tt);
+			g_print ("FIXME: popup_menu() here\n");
+			break;
+
+		case 2: /* Middle Click */
+			break;
+
+		case 1: /* Left Click */
+			vte_terminal_get_padding (terminal, &xpad, &ypad);
+			match = vte_terminal_match_check (terminal,
+					(event->x - ypad) / terminal->char_width,
+					(event->y - ypad) / terminal->char_height,
+					&tag);
+
+			/* Check if we can launch a web browser, and do so if possible */
+			if ((event->state & GDK_CONTROL_MASK) && match != NULL)
+			{
+#if DEBUG
+				g_print ("Got a Ctrl+Left Click -- Matched: `%s' (%d)\n", match, tag);
+#endif
+				web_browser_cmd = g_strescape (self->web_browser, NULL);
+				cmd = g_strdup_printf ("%s %s", web_browser_cmd, match);
+#if DEBUG
+				g_print ("Launching command: `%s'\n", cmd);
+#endif
+				ret = g_spawn_command_line_async(cmd, &error);
+
+				/* Check that the command launched */
+				if (!ret)
+				{
+					g_printerr (_("Failed to launch web browser command: `%s'\n"), cmd);
+					g_printerr (_("Error message: %s\n"), error->message);
+				}
+
+				/* Free allocated memory */
+				g_free (web_browser_cmd);
+				g_free (cmd);
+			}
+
+			/* Always free match if it is non NULL */
+			g_free (match);
+			break;
+
+		default:
+			break;
+	}
+
+	return FALSE;
+}
+
 /**
  * Set the given TildaTerminal to the appropriate transparency level
  * based on the self->transparency_percent member. */
@@ -552,6 +626,7 @@ tilda_terminal_constructor (GType                  type,
 {
 	GObject *obj;
 	TildaTerminal *self;
+	gint ret;
 
 	/* Invoke parent constructor */
 	TildaTerminalClass *klass;
@@ -571,6 +646,11 @@ tilda_terminal_constructor (GType                  type,
 	gtk_box_pack_end (GTK_BOX(self->hbox), self->vte_term, TRUE, TRUE, 0);
 	gtk_widget_show (self->scrollbar);
 
+	/* Match URL's, etc */
+	ret = vte_terminal_match_add (VTE_TERMINAL(self->vte_term), DINGUS1);
+	vte_terminal_match_set_cursor_type (VTE_TERMINAL(self->vte_term), ret, GDK_HAND2);
+	ret = vte_terminal_match_add(VTE_TERMINAL(self->vte_term), DINGUS2);
+	vte_terminal_match_set_cursor_type (VTE_TERMINAL(self->vte_term), ret, GDK_HAND2);
 
 	/* Connect Signals */
 	g_signal_connect (G_OBJECT(self->vte_term), "child-exited",
@@ -579,6 +659,8 @@ tilda_terminal_constructor (GType                  type,
 					  G_CALLBACK(tilda_terminal_child_exited_cb), self);
 	g_signal_connect (G_OBJECT(self->vte_term), "window-title-changed",
 					  G_CALLBACK(tilda_terminal_window_title_changed_cb), self);
+	g_signal_connect (G_OBJECT(self->vte_term), "button-press-event",
+					  G_CALLBACK(tilda_terminal_button_press_cb), self);
 
 	tilda_terminal_start_shell (self);
 	tilda_terminal_dbus_register_object (self);
-- 
2.25.1