From 996e6c76e8fd58973a9ccbf07ab2227d6052fd76 Mon Sep 17 00:00:00 2001
From: Andrea Zagli <andrea.zagli@email.it>
Date: Tue, 18 Aug 2015 22:08:17 +0200
Subject: [PATCH] Added function ::set_home (and showing the home map).

---
 src/gtkmapserver.c   | 87 +++++++++++++++++++++++++++++++++++++++++---
 src/gtkmapserver.h   |  2 +
 tests/gtkmapserver.c |  2 +
 3 files changed, 85 insertions(+), 6 deletions(-)

diff --git a/src/gtkmapserver.c b/src/gtkmapserver.c
index 59519d6..cb55098 100644
--- a/src/gtkmapserver.c
+++ b/src/gtkmapserver.c
@@ -32,6 +32,8 @@
 	#include <windows.h>
 #endif
 
+#include <libsoup/soup.h>
+
 #include "gtkmapserver.h"
 
 static void gtk_mapserver_class_init (GtkMapserverClass *klass);
@@ -51,7 +53,9 @@ static void gtk_mapserver_get_property (GObject *object,
 typedef struct _GtkMapserverPrivate GtkMapserverPrivate;
 struct _GtkMapserverPrivate
 	{
-		gpointer nothing;
+		GooCanvasItem *root;
+		GooCanvasItem *img;
+		SoupSession *soup_session;
 	};
 
 G_DEFINE_TYPE (GtkMapserver, gtk_mapserver, GOO_TYPE_CANVAS)
@@ -90,6 +94,8 @@ static void
 gtk_mapserver_init (GtkMapserver *gtk_mapserver)
 {
 	GtkMapserverPrivate *priv = GTK_MAPSERVER_GET_PRIVATE (gtk_mapserver);
+
+	priv->img = NULL;
 }
 
 GtkWidget
@@ -138,16 +144,85 @@ GtkWidget
 				  "background-color", "white",
 				  NULL);
 
-	GooCanvasItem *root = goo_canvas_get_root_item (GOO_CANVAS (gtk_mapserver));
+	priv->root = goo_canvas_get_root_item (GOO_CANVAS (gtk_mapserver));
+
+	priv->img = goo_canvas_image_new (priv->root,
+									  NULL,
+									  0, 0,
+									  NULL);
 
-	/* Add a few simple items. */
-	goo_canvas_path_new (root,
-						"M 100 100 L 500 100 L 500 500 L 100 500 z",
-		                NULL);
+	/* Soup */
+	priv->soup_session = soup_session_sync_new_with_options (SOUP_SESSION_SSL_CA_FILE, NULL,
+															 SOUP_SESSION_ADD_FEATURE_BY_TYPE, SOUP_TYPE_CONTENT_DECODER,
+															 SOUP_SESSION_ADD_FEATURE_BY_TYPE, SOUP_TYPE_COOKIE_JAR,
+															 SOUP_SESSION_USER_AGENT, "get ",
+															 SOUP_SESSION_ACCEPT_LANGUAGE_AUTO, TRUE,
+															 SOUP_SESSION_USE_NTLM, FALSE,
+															 NULL);
 
 	return gtk_mapserver;
 }
 
+void
+gtk_mapserver_set_home (GtkMapserver *gtkm,
+						const gchar *url)
+{
+	GError *error;
+	SoupMessage *msg;
+	GdkPixbufLoader *pxb_loader;
+
+	GtkMapserverPrivate *priv = GTK_MAPSERVER_GET_PRIVATE (gtkm);
+
+	msg = soup_message_new (SOUP_METHOD_GET, url);
+	if (SOUP_IS_MESSAGE (msg))
+		{
+			soup_message_set_flags (msg, SOUP_MESSAGE_NO_REDIRECT);
+			soup_session_send_message (priv->soup_session, msg);
+		}
+
+	if (!SOUP_IS_MESSAGE (msg) || !SOUP_STATUS_IS_SUCCESSFUL (msg->status_code))
+		{
+			g_warning ("Error on retrieving url.");
+			pxb_loader = NULL;
+		}
+	else
+		{
+			error = NULL;
+			pxb_loader = gdk_pixbuf_loader_new ();
+			if (!gdk_pixbuf_loader_write (pxb_loader,
+										  msg->response_body->data,
+										  msg->response_body->length,
+										  &error)
+				|| error != NULL)
+				{
+					g_warning ("Error on retrieving map image: %s.",
+							   error != NULL && error->message != NULL ? error->message : "no details");
+					g_object_unref (pxb_loader);
+					pxb_loader = NULL;
+				}
+			else
+				{
+					gdk_pixbuf_loader_close (pxb_loader, NULL);
+				}
+		}
+	g_object_unref (msg);
+	if (pxb_loader != NULL)
+		{
+			g_object_set (G_OBJECT (priv->img),
+						  "pixbuf", gdk_pixbuf_loader_get_pixbuf (pxb_loader),
+						  NULL);
+
+			g_object_unref (pxb_loader);
+			pxb_loader = NULL;
+		}
+	else
+		{
+			g_object_set (G_OBJECT (priv->img),
+						  "pixbuf", NULL,
+						  NULL);
+		}
+}
+
 /* PRIVATE */
 static void
 gtk_mapserver_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec)
diff --git a/src/gtkmapserver.h b/src/gtkmapserver.h
index 4d572f8..0d50cee 100644
--- a/src/gtkmapserver.h
+++ b/src/gtkmapserver.h
@@ -59,6 +59,8 @@ GType gtk_mapserver_get_type (void) G_GNUC_CONST;
 
 GtkWidget *gtk_mapserver_new (void);
 
+void gtk_mapserver_set_home (GtkMapserver *gtkm, const gchar *url);
+
 
 G_END_DECLS
 
diff --git a/tests/gtkmapserver.c b/tests/gtkmapserver.c
index 9b556bb..762551f 100644
--- a/tests/gtkmapserver.c
+++ b/tests/gtkmapserver.c
@@ -51,6 +51,8 @@ main (int argc, char **argv)
 
 	gtk_widget_show_all (window);
 
+	gtk_mapserver_set_home (GTK_MAPSERVER (gtkmap), "http://atlante/cgi-bin/mapserv?map=/var/www_mapper/www_pm4/config/cdu/RU_cdu.map&mode=map&layers=catasto");
+
 	/* Pass control to the GTK+ main event loop. */
 	gtk_main ();
 
-- 
2.49.0