From 7eb1bbf26ed51b71f65572ebec58a6be1fbb969f Mon Sep 17 00:00:00 2001
From: horwitz <horwitz@ffa7fe5e-494d-0410-b361-a75ebd5db220>
Date: Sat, 11 Aug 2007 14:38:17 +0000
Subject: [PATCH] Reenable orient north button and improve placement map
 reposistioning

git-svn-id: https://navit.svn.sourceforge.net/svnroot/navit/trunk@383 ffa7fe5e-494d-0410-b361-a75ebd5db220
---
 navit/src/gui/gtk/gui_gtk_action.c | 10 +---------
 navit/src/navit.c                  | 15 +++++++++++++--
 navit/src/navit.h                  |  1 +
 3 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/navit/src/gui/gtk/gui_gtk_action.c b/navit/src/gui/gtk/gui_gtk_action.c
index 7932d40..b2684da 100644
--- a/navit/src/gui/gtk/gui_gtk_action.c
+++ b/navit/src/gui/gtk/gui_gtk_action.c
@@ -55,26 +55,18 @@ static void
 cursor_action(GtkWidget *w, struct gui_priv *gui, void *dummy)
 {
 	navit_toggle_cursor(gui->nav);
-#if 0
-	ac->gui->co->flags->track=gtk_toggle_action_get_active(GTK_TOGGLE_ACTION(w));
-#endif
 }
 
 static void
 tracking_action(GtkWidget *w, struct gui_priv *gui, void *dummy)
 {
 	navit_toggle_tracking(gui->nav);
-#if 0
-	ac->gui->co->flags->track=gtk_toggle_action_get_active(GTK_TOGGLE_ACTION(w));
-#endif
 }
 
 static void
 orient_north_action(GtkWidget *w, struct gui_priv *gui, void *dummy)
 {
-#if 0
-	ac->gui->co->flags->orient_north=gtk_toggle_action_get_active(GTK_TOGGLE_ACTION(w));
-#endif
+	navit_toggle_orient_north(gui->nav);
 }
 
 static void
diff --git a/navit/src/navit.c b/navit/src/navit.c
index aa2450f..ed6b2b2 100644
--- a/navit/src/navit.c
+++ b/navit/src/navit.c
@@ -5,6 +5,7 @@
 #include <fcntl.h>
 #include <glib.h>
 #include <libintl.h>
+#include <math.h>
 #include "debug.h"
 #include "navit.h"
 #include "callback.h"
@@ -66,6 +67,7 @@ struct navit {
 	struct displaylist *displaylist;
 	int cursor_flag;
 	int tracking_flag;
+	int orient_north_flag;
 	GList *vehicles;
 	GList *windows_items;
 	struct navit_vehicle *vehicle;
@@ -855,6 +857,12 @@ navit_toggle_tracking(struct navit *this_)
 	this_->tracking_flag=1-this_->tracking_flag;
 }
 
+void
+navit_toggle_orient_north(struct navit *this_)
+{
+	this_->orient_north_flag=1-this_->orient_north_flag;
+}
+
 static void
 navit_cursor_update(struct navit *this_, struct cursor *cursor)
 {
@@ -863,7 +871,7 @@ navit_cursor_update(struct navit *this_, struct cursor *cursor)
 	int dir=cursor_get_dir(cursor);
 	int speed=cursor_get_speed(cursor);
 	enum projection pro;
-	int border=10;
+	int border=30;
 
 	if (!this_->vehicle || this_->vehicle->cursor != cursor)
 		return;
@@ -876,7 +884,10 @@ navit_cursor_update(struct navit *this_, struct cursor *cursor)
 	if (!transform(this_->trans, pro, cursor_c, &pnt) || !transform_within_border(this_->trans, &pnt, border)) {
 		if (!this_->cursor_flag)
 			return;
-		navit_set_center(this_, cursor_c);
+		if(this_->orient_north_flag)
+			navit_set_center_cursor(this_, cursor_c, 0, 50 - 30.*sin(M_PI*dir/180.), 50 + 30.*cos(M_PI*dir/180.));
+		else
+			navit_set_center_cursor(this_, cursor_c, dir, 50, 80);
 		transform(this_->trans, pro, cursor_c, &pnt);
 	}
 
diff --git a/navit/src/navit.h b/navit/src/navit.h
index 48399e6..9a3094e 100644
--- a/navit/src/navit.h
+++ b/navit/src/navit.h
@@ -53,6 +53,7 @@ void navit_set_center(struct navit *this_, struct coord *center);
 void navit_set_center_screen(struct navit *this_, struct point *p);
 void navit_toggle_cursor(struct navit *this_);
 void navit_toggle_tracking(struct navit *this_);
+void navit_toggle_orient_north(struct navit *this_);
 void navit_set_position(struct navit *this_, struct coord *c);
 struct navit_vehicle *navit_add_vehicle(struct navit *this_, struct vehicle *v, const char *name, struct color *c, int update, int follow);
 void navit_add_vehicle_cb(struct navit *this_, struct callback *cb);
-- 
2.7.4