]> git.street.me.uk Git - andy/viking.git/blobdiff - src/viktrwlayer_propwin.c
[QA] Fix clang warning: format string is not a string literal
[andy/viking.git] / src / viktrwlayer_propwin.c
index 43e86df1138509842284b868626edd55fb4b3997..be96f509a6786bd39a042e92ab5ca7d3dcf0d318 100644 (file)
@@ -4,7 +4,7 @@
  * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
  * Copyright (C) 2005-2007, Alex Foobarian <foobarian@gmail.com>
  * Copyright (C) 2007-2008, Quy Tonthat <qtonthat@gmail.com>
- * Copyright (C) 2011, Rob Norris <rw_norris@hotmail.com>
+ * Copyright (C) 2012-2014, Rob Norris <rw_norris@hotmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
 #ifdef HAVE_STRING_H
 #include <string.h>
 #endif
-#include "coords.h"
-#include "vikcoord.h"
-#include "viktrack.h"
 #include "viktrwlayer.h"
 #include "viktrwlayer_propwin.h"
-#include "vikwaypoint.h"
-#include "dialog.h"
-#include "globals.h"
 #include "dems.h"
-
+#include "viking.h"
 #include "vikviewport.h" /* ugh */
-#include "viktreeview.h" /* ugh */
+#include "vikutils.h"
+#include "ui_util.h"
 #include <gdk-pixbuf/gdk-pixdata.h>
-#include "viklayer.h" /* ugh */
-#include "vikaggregatelayer.h"
-#include "viklayerspanel.h" /* ugh */
-
-#define PROPWIN_PROFILE_WIDTH 600
-#define PROPWIN_PROFILE_HEIGHT 300
-
-#define PROPWIN_LABEL_FONT "Sans 7"
 
 typedef enum {
   PROPWIN_GRAPH_TYPE_ELEVATION_DISTANCE,
@@ -78,7 +65,10 @@ static const gdouble chunksa[] = {2.0, 5.0, 10.0, 15.0, 20.0,
 static const gdouble chunksg[] = {1.0, 2.0, 3.0, 4.0, 5.0, 8.0, 10.0,
                                  12.0, 15.0, 20.0, 25.0, 30.0, 35.0, 40.0, 45.0, 50.0, 75.0,
                                  100.0, 150.0, 200.0, 250.0, 375.0, 500.0,
-                                 750.0, 1000.0, 10000.0};
+                                 750.0, 1000.0, 10000.0, 100000.0};
+// Normally gradients should range up to couple hundred precent at most,
+//  however there are possibilities of having points with no altitude after a point with a big altitude
+//  (such as places with invalid DEM values in otherwise mountainous regions) - thus giving huge negative gradients.
 
 /* (Hopefully!) Human friendly grid sizes - note no fixed 'ratio' just numbers that look nice...*/
 /* As need to cover walking speeds - have many low numbers (but also may go up to airplane speeds!) */
@@ -88,11 +78,39 @@ static const gdouble chunkss[] = {1.0, 2.0, 3.0, 4.0, 5.0, 8.0, 10.0,
                                  750.0, 1000.0, 10000.0};
 
 /* (Hopefully!) Human friendly distance grid sizes - note no fixed 'ratio' just numbers that look nice...*/
-static const gdouble chunksd[] = {0.1, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 8.0, 10.0,
+static const gdouble chunksd[] = {0.1, 0.2, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 8.0, 10.0,
                                  15.0, 20.0, 25.0, 40.0, 50.0, 75.0,
                                  100.0, 150.0, 200.0, 250.0, 375.0, 500.0,
                                  750.0, 1000.0, 10000.0};
 
+// Time chunks in seconds
+static const time_t chunkst[] = {
+  60,     // 1 minute
+  120,    // 2 minutes
+  300,    // 5 minutes
+  900,    // 15 minutes
+  1800,   // half hour
+  3600,   // 1 hour
+  10800,  // 3 hours
+  21600,  // 6 hours
+  43200,  // 12 hours
+  86400,  // 1 day
+  172800, // 2 days
+  604800, // 1 week
+  1209600,// 2 weeks
+  2419200,// 4 weeks
+};
+
+// Local show settings to restore on dialog opening
+static gboolean show_dem                = TRUE;
+static gboolean show_alt_gps_speed      = TRUE;
+static gboolean show_gps_speed          = TRUE;
+static gboolean show_gradient_gps_speed = TRUE;
+static gboolean show_dist_speed         = FALSE;
+static gboolean show_elev_speed         = FALSE;
+static gboolean show_elev_dem           = FALSE;
+static gboolean show_sd_gps_speed       = TRUE;
+
 typedef struct _propsaved {
   gboolean saved;
   GdkImage *img;
@@ -102,7 +120,8 @@ typedef struct _propwidgets {
   gboolean  configure_dialog;
   VikTrwLayer *vtl;
   VikTrack *tr;
-  gchar *track_name;
+  VikViewport *vvp;
+  VikLayersPanel *vlp;
   gint      profile_width;
   gint      profile_height;
   gint      profile_width_old;
@@ -111,6 +130,7 @@ typedef struct _propwidgets {
   gint      profile_height_offset;
   GtkWidget *dialog;
   GtkWidget *w_comment;
+  GtkWidget *w_description;
   GtkWidget *w_track_length;
   GtkWidget *w_tp_count;
   GtkWidget *w_segment_count;
@@ -124,16 +144,22 @@ typedef struct _propwidgets {
   GtkWidget *w_time_start;
   GtkWidget *w_time_end;
   GtkWidget *w_time_dur;
+  GtkWidget *w_color;
+  GtkWidget *w_namelabel;
+  GtkWidget *w_number_distlabels;
   GtkWidget *w_cur_dist; /*< Current distance */
   GtkWidget *w_cur_elevation;
   GtkWidget *w_cur_gradient_dist; /*< Current distance on gradient graph */
   GtkWidget *w_cur_gradient_gradient; /*< Current gradient on gradient graph */
-  GtkWidget *w_cur_time; /*< Current time */
+  GtkWidget *w_cur_time; /*< Current track time */
+  GtkWidget *w_cur_time_real; /*< Actual time as on a clock */
   GtkWidget *w_cur_speed;
   GtkWidget *w_cur_dist_dist; /*< Current distance on distance graph */
-  GtkWidget *w_cur_dist_time; /*< Current time on distance graph */
+  GtkWidget *w_cur_dist_time; /*< Current track time on distance graph */
+  GtkWidget *w_cur_dist_time_real; // Clock time
   GtkWidget *w_cur_elev_elev;
-  GtkWidget *w_cur_elev_time;
+  GtkWidget *w_cur_elev_time; // Track time
+  GtkWidget *w_cur_elev_time_real; // Clock time
   GtkWidget *w_cur_speed_dist;
   GtkWidget *w_cur_speed_speed;
   GtkWidget *w_show_dem;
@@ -142,6 +168,7 @@ typedef struct _propwidgets {
   GtkWidget *w_show_gradient_gps_speed;
   GtkWidget *w_show_dist_speed;
   GtkWidget *w_show_elev_speed;
+  GtkWidget *w_show_elev_dem;
   GtkWidget *w_show_sd_gps_speed;
   gdouble   track_length;
   gdouble   track_length_inc_gaps;
@@ -186,6 +213,8 @@ typedef struct _propwidgets {
   gboolean  is_marker_drawn;
   VikTrackpoint *blob_tp;
   gboolean  is_blob_drawn;
+  time_t    duration;
+  gchar     *tz; // TimeZone at track's location
 } PropWidgets;
 
 static PropWidgets *prop_widgets_new()
@@ -239,26 +268,31 @@ static void minmax_array(const gdouble *array, gdouble *min, gdouble *max, gbool
   }
 }
 
-#define MARGIN 70
+#define MARGIN_X 70
+#define MARGIN_Y 20
 #define LINES 5
 /**
+ * get_new_min_and_chunk_index:
  * Returns via pointers:
- *   the new minimum value to be used for the altitude graph
- *   the index in to the altitudes chunk sizes array (ci = Chunk Index)
+ *   the new minimum value to be used for the graph
+ *   the index in to the chunk sizes array (ci = Chunk Index)
  */
-static void get_new_min_and_chunk_index_altitude (gdouble mina, gdouble maxa, gdouble *new_min, gint *ci)
+static void get_new_min_and_chunk_index (gdouble mina, gdouble maxa, const gdouble *chunks, size_t chunky, gdouble *new_min, gint *ci)
 {
   /* Get unitized chunk */
   /* Find suitable chunk index */
   *ci = 0;
-  gdouble diffa_chunk = (maxa - mina)/LINES;
+  gdouble diff_chunk = (maxa - mina)/LINES;
 
   /* Loop through to find best match */
-  while (diffa_chunk > chunksa[*ci]) {
+  while (diff_chunk > chunks[*ci]) {
     (*ci)++;
     /* Last Resort Check */
-    if ( *ci == sizeof(chunksa)/sizeof(chunksa[0]) )
+    if ( *ci == chunky ) {
+      // Use previous value and exit loop
+      (*ci)--;
       break;
+    }
   }
 
   /* Ensure adjusted minimum .. maximum covers mina->maxa */
@@ -266,87 +300,71 @@ static void get_new_min_and_chunk_index_altitude (gdouble mina, gdouble maxa, gd
   // Now work out adjusted minimum point to the nearest lowest chunk divisor value
   // When negative ensure logic uses lowest value
   if ( mina < 0 )
-    *new_min = (gdouble) ( ( (gint)(mina - chunksa[*ci]) / (gint)chunksa[*ci] ) * (gint)chunksa[*ci] );
+    *new_min = (gdouble) ( (gint)((mina - chunks[*ci]) / chunks[*ci]) * chunks[*ci] );
   else
-    *new_min = (gdouble) ( ( (gint)mina / (gint)chunksa[*ci] ) * (gint)chunksa[*ci] );
+    *new_min = (gdouble) ( (gint)(mina / chunks[*ci]) * chunks[*ci] );
 
   // Range not big enough - as new minimum has lowered
-  if ((*new_min + (chunksa[*ci] * LINES) < maxa)) {
+  if ((*new_min + (chunks[*ci] * LINES) < maxa)) {
     // Next chunk should cover it
-    if ( *ci < sizeof(chunksa)/sizeof(chunksa[0]) ) {
+    if ( *ci < chunky-1 ) {
       (*ci)++;
       // Remember to adjust the minimum too...
       if ( mina < 0 )
-       *new_min = (gdouble) ( ( (gint)(mina - chunksa[*ci]) / (gint)chunksa[*ci] ) * (gint)chunksa[*ci] );
+        *new_min = (gdouble) ( (gint)((mina - chunks[*ci]) / chunks[*ci]) * chunks[*ci] );
       else
-       *new_min = (gdouble) ( ( (gint)mina / (gint)chunksa[*ci] ) * (gint)chunksa[*ci] );
+        *new_min = (gdouble) ( (gint)(mina / chunks[*ci]) * chunks[*ci] );
     }
   }
 }
 
-/**
- * Returns via pointers:
- *   the new minimum value to be used for the altitude graph
- *   the index in to the altitudes chunk sizes array (ci = Chunk Index)
- */
-static void get_new_min_and_chunk_index_gradient (gdouble mina, gdouble maxa, gdouble *new_min, gint *ci)
+static guint get_time_chunk_index (time_t duration)
 {
-  /* Get unitized chunk */
-  /* Find suitable chunk index */
-  *ci = 0;
-  gdouble diffa_chunk = (maxa - mina)/LINES;
-
-  /* Loop through to find best match */
-  while (diffa_chunk > chunksg[*ci]) {
-    (*ci)++;
-    /* Last Resort Check */
-    if ( *ci == sizeof(chunksg)/sizeof(chunksg[0]) )
+  // Grid split
+  time_t myduration = duration / LINES;
+
+  // Search nearest chunk index
+  guint ci = 0;
+  guint last_chunk = G_N_ELEMENTS(chunkst);
+
+  // Loop through to find best match
+  while (myduration > chunkst[ci]) {
+    ci++;
+    // Last Resort Check
+    if ( ci == last_chunk )
       break;
   }
+  // Use previous value
+  if ( ci != 0 )
+   ci--;
 
-  /* Ensure adjusted minimum .. maximum covers mina->maxa */
-
-  // Now work out adjusted minimum point to the nearest lowest chunk divisor value
-  // When negative ensure logic uses lowest value
-  if ( mina < 0 )
-    *new_min = (gdouble) ( ( (gint)(mina - chunksg[*ci]) / (gint)chunksg[*ci] ) * (gint)chunksg[*ci] );
-  else
-    *new_min = (gdouble) ( ( (gint)mina / (gint)chunksg[*ci] ) * (gint)chunksg[*ci] );
-
-  // Range not big enough - as new minimum has lowered
-  if ((*new_min + (chunksg[*ci] * LINES) < maxa)) {
-    // Next chunk should cover it
-    if ( *ci < sizeof(chunksg)/sizeof(chunksg[0]) ) {
-      (*ci)++;
-      // Remember to adjust the minimum too...
-      if ( mina < 0 )
-       *new_min = (gdouble) ( ( (gint)(mina - chunksg[*ci]) / (gint)chunksg[*ci] ) * (gint)chunksg[*ci] );
-      else
-       *new_min = (gdouble) ( ( (gint)mina / (gint)chunksg[*ci] ) * (gint)chunksg[*ci] );
-    }
-  }
+  return ci;
 }
 
 /**
- * Returns via pointers:
- *   the new minimum value to be used for the appropriate graph
- *   the index in to that array (ci = Chunk Index)
+ *
  */
-static void get_new_min_and_chunk_index (gdouble mins, gdouble maxs, const gdouble *chunks, size_t chunky, gdouble *new_min, gint *ci)
+static guint get_distance_chunk_index (gdouble length)
 {
-  *ci = 0;
-  gdouble diff_chunk = (maxs - mins)/LINES;
-
-  /* Loop through to find best match */
-  while (diff_chunk > chunks[*ci]) {
-    (*ci)++;
-    /* Last Resort Check */
-    if ( *ci == chunky )
+  // Grid split
+  gdouble mylength = length / LINES;
+
+  // Search nearest chunk index
+  guint ci = 0;
+  guint last_chunk = G_N_ELEMENTS(chunksd);
+
+  // Loop through to find best match
+  while (mylength > chunksd[ci]) {
+    ci++;
+    // Last Resort Check
+    if ( ci == last_chunk )
       break;
   }
-  *new_min = (gdouble) ( (gint)((mins / chunks[*ci] ) * chunks[*ci]) );
+  // Use previous value
+  if ( ci != 0 )
+   ci--;
 
-  // Speeds are never negative so don't need to worry about a negative new minimum
+  return ci;
 }
 
 static VikTrackpoint *set_center_at_graph_position(gdouble event_x,
@@ -359,7 +377,7 @@ static VikTrackpoint *set_center_at_graph_position(gdouble event_x,
                                                   gint PROFILE_WIDTH)
 {
   VikTrackpoint *trackpoint;
-  gdouble x = event_x - img_width / 2 + PROFILE_WIDTH / 2 - MARGIN / 2;
+  gdouble x = event_x - img_width / 2 + PROFILE_WIDTH / 2 - MARGIN_X / 2;
   if (x < 0)
     x = 0;
   if (x > PROFILE_WIDTH)
@@ -373,14 +391,14 @@ static VikTrackpoint *set_center_at_graph_position(gdouble event_x,
   if ( trackpoint ) {
     VikCoord coord = trackpoint->coord;
     if ( vlp ) {
-      vik_viewport_set_center_coord ( vik_layers_panel_get_viewport(vlp), &coord );
+      vik_viewport_set_center_coord ( vik_layers_panel_get_viewport(vlp), &coord, TRUE );
       vik_layers_panel_emit_update ( vlp );
     }
     else {
       /* since vlp not set, vvp should be valid instead! */
       if ( vvp )
-       vik_viewport_set_center_coord ( vvp, &coord );
-      vik_layer_emit_update ( VIK_LAYER(vtl), FALSE );
+        vik_viewport_set_center_coord ( vvp, &coord, TRUE );
+      vik_layer_emit_update ( VIK_LAYER(vtl) );
     }
   }
   return trackpoint;
@@ -406,26 +424,26 @@ static void save_image_and_draw_graph_marks (GtkWidget *image,
 
   /* Restore previously saved image */
   if (saved_img->saved) {
-    gdk_draw_image(GDK_DRAWABLE(pix), gc, saved_img->img, 0, 0, 0, 0, MARGIN+PROFILE_WIDTH, PROFILE_HEIGHT);
+    gdk_draw_image(GDK_DRAWABLE(pix), gc, saved_img->img, 0, 0, 0, 0, MARGIN_X+PROFILE_WIDTH, MARGIN_Y+PROFILE_HEIGHT);
     saved_img->saved = FALSE;
   }
 
   // ATM always save whole image - as anywhere could have changed
   if (saved_img->img)
-    gdk_drawable_copy_to_image(GDK_DRAWABLE(pix), saved_img->img, 0, 0, 0, 0, MARGIN+PROFILE_WIDTH, PROFILE_HEIGHT);
+    gdk_drawable_copy_to_image(GDK_DRAWABLE(pix), saved_img->img, 0, 0, 0, 0, MARGIN_X+PROFILE_WIDTH, MARGIN_Y+PROFILE_HEIGHT);
   else
-    saved_img->img = gdk_drawable_copy_to_image(GDK_DRAWABLE(pix), saved_img->img, 0, 0, 0, 0, MARGIN+PROFILE_WIDTH, PROFILE_HEIGHT);
+    saved_img->img = gdk_drawable_copy_to_image(GDK_DRAWABLE(pix), saved_img->img, 0, 0, 0, 0, MARGIN_X+PROFILE_WIDTH, MARGIN_Y+PROFILE_HEIGHT);
   saved_img->saved = TRUE;
 
-  if ((marker_x >= MARGIN) && (marker_x < (PROFILE_WIDTH + MARGIN))) {
-    gdk_draw_line (GDK_DRAWABLE(pix), gc, marker_x, 0, marker_x, image->allocation.height);
+  if ((marker_x >= MARGIN_X) && (marker_x < (PROFILE_WIDTH + MARGIN_X))) {
+    gdk_draw_line (GDK_DRAWABLE(pix), gc, marker_x, MARGIN_Y, marker_x, PROFILE_HEIGHT + MARGIN_Y);
     *marker_drawn = TRUE;
   }
   else
     *marker_drawn = FALSE;
 
   // Draw a square blob to indicate where we are on track for this graph
-  if ( (blob_x >= MARGIN) && (blob_x < (PROFILE_WIDTH + MARGIN)) && (blob_y < PROFILE_HEIGHT) ) {
+  if ( (blob_x >= MARGIN_X) && (blob_x < (PROFILE_WIDTH + MARGIN_X)) && (blob_y < PROFILE_HEIGHT+MARGIN_Y) ) {
     gdk_draw_rectangle (GDK_DRAWABLE(pix), gc, TRUE, blob_x-3, blob_y-3, 6, 6);
     *blob_drawn = TRUE;
   }
@@ -475,19 +493,17 @@ static gdouble tp_percentage_by_distance ( VikTrack *tr, VikTrackpoint *trackpoi
   return pc;
 }
 
-static void track_graph_click( GtkWidget *event_box, GdkEventButton *event, gpointer *pass_along, VikPropWinGraphType_t graph_type )
+static void track_graph_click( GtkWidget *event_box, GdkEventButton *event, PropWidgets *widgets, VikPropWinGraphType_t graph_type )
 {
-  VikTrack *tr = pass_along[0];
-  VikLayersPanel *vlp = pass_along[1];
-  VikViewport *vvp = pass_along[2];
-  PropWidgets *widgets = pass_along[3];
-
   gboolean is_time_graph =
     ( graph_type == PROPWIN_GRAPH_TYPE_SPEED_TIME ||
       graph_type == PROPWIN_GRAPH_TYPE_DISTANCE_TIME ||
       graph_type == PROPWIN_GRAPH_TYPE_ELEVATION_TIME );
 
-  VikTrackpoint *trackpoint = set_center_at_graph_position(event->x, event_box->allocation.width, widgets->vtl, vlp, vvp, tr, is_time_graph, widgets->profile_width);
+  GtkAllocation allocation;
+  gtk_widget_get_allocation ( event_box, &allocation );
+
+  VikTrackpoint *trackpoint = set_center_at_graph_position(event->x, allocation.width, widgets->vtl, widgets->vlp, widgets->vvp, widgets->tr, is_time_graph, widgets->profile_width);
   // Unable to get the point so give up
   if ( trackpoint == NULL ) {
     gtk_dialog_set_response_sensitive(GTK_DIALOG(widgets->dialog), VIK_TRW_LAYER_PROPWIN_SPLIT_MARKER, FALSE);
@@ -551,15 +567,15 @@ static void track_graph_click( GtkWidget *event_box, GdkEventButton *event, gpoi
       image = GTK_WIDGET(child->data);
 
       if (is_time_graph)
-       pc = tp_percentage_by_time ( tr, trackpoint );
+       pc = tp_percentage_by_time ( widgets->tr, trackpoint );
       else
-       pc = tp_percentage_by_distance ( tr, trackpoint, widgets->track_length_inc_gaps );
+       pc = tp_percentage_by_distance ( widgets->tr, trackpoint, widgets->track_length_inc_gaps );
 
       if (!isnan(pc)) {
-       gdouble marker_x = (pc * widgets->profile_width) + MARGIN;
+        gdouble marker_x = (pc * widgets->profile_width) + MARGIN_X;
        save_image_and_draw_graph_marks(image,
                                        marker_x,
-                                       window->style->black_gc,
+                                       gtk_widget_get_style(window)->black_gc,
                                        -1, // Don't draw blob on clicks
                                        0,
                                        graph_saved_img,
@@ -575,39 +591,39 @@ static void track_graph_click( GtkWidget *event_box, GdkEventButton *event, gpoi
   gtk_dialog_set_response_sensitive(GTK_DIALOG(widgets->dialog), VIK_TRW_LAYER_PROPWIN_SPLIT_MARKER, widgets->is_marker_drawn);
 }
 
-static gboolean track_profile_click( GtkWidget *event_box, GdkEventButton *event, gpointer *pass_along )
+static gboolean track_profile_click( GtkWidget *event_box, GdkEventButton *event, gpointer ptr )
 {
-  track_graph_click(event_box, event, pass_along, PROPWIN_GRAPH_TYPE_ELEVATION_DISTANCE);
+  track_graph_click(event_box, event, ptr, PROPWIN_GRAPH_TYPE_ELEVATION_DISTANCE);
   return TRUE;  /* don't call other (further) callbacks */
 }
 
-static gboolean track_gradient_click( GtkWidget *event_box, GdkEventButton *event, gpointer *pass_along )
+static gboolean track_gradient_click( GtkWidget *event_box, GdkEventButton *event, gpointer ptr )
 {
-  track_graph_click(event_box, event, pass_along, PROPWIN_GRAPH_TYPE_GRADIENT_DISTANCE);
+  track_graph_click(event_box, event, ptr, PROPWIN_GRAPH_TYPE_GRADIENT_DISTANCE);
   return TRUE;  /* don't call other (further) callbacks */
 }
 
-static gboolean track_vt_click( GtkWidget *event_box, GdkEventButton *event, gpointer *pass_along )
+static gboolean track_vt_click( GtkWidget *event_box, GdkEventButton *event, gpointer ptr )
 {
-  track_graph_click(event_box, event, pass_along, PROPWIN_GRAPH_TYPE_SPEED_TIME);
+  track_graph_click(event_box, event, ptr, PROPWIN_GRAPH_TYPE_SPEED_TIME);
   return TRUE;  /* don't call other (further) callbacks */
 }
 
-static gboolean track_dt_click( GtkWidget *event_box, GdkEventButton *event, gpointer *pass_along )
+static gboolean track_dt_click( GtkWidget *event_box, GdkEventButton *event, gpointer ptr )
 {
-  track_graph_click(event_box, event, pass_along, PROPWIN_GRAPH_TYPE_DISTANCE_TIME);
+  track_graph_click(event_box, event, ptr, PROPWIN_GRAPH_TYPE_DISTANCE_TIME);
   return TRUE;  /* don't call other (further) callbacks */
 }
 
-static gboolean track_et_click( GtkWidget *event_box, GdkEventButton *event, gpointer *pass_along )
+static gboolean track_et_click( GtkWidget *event_box, GdkEventButton *event, gpointer ptr )
 {
-  track_graph_click(event_box, event, pass_along, PROPWIN_GRAPH_TYPE_ELEVATION_TIME);
+  track_graph_click(event_box, event, ptr, PROPWIN_GRAPH_TYPE_ELEVATION_TIME);
   return TRUE;  /* don't call other (further) callbacks */
 }
 
-static gboolean track_sd_click( GtkWidget *event_box, GdkEventButton *event, gpointer *pass_along )
+static gboolean track_sd_click( GtkWidget *event_box, GdkEventButton *event, gpointer ptr )
 {
-  track_graph_click(event_box, event, pass_along, PROPWIN_GRAPH_TYPE_SPEED_DISTANCE);
+  track_graph_click(event_box, event, ptr, PROPWIN_GRAPH_TYPE_SPEED_DISTANCE);
   return TRUE;  /* don't call other (further) callbacks */
 }
 
@@ -702,10 +718,8 @@ static gint blobby_speed_dist ( gdouble x_blob, PropWidgets *widgets )
 }
 
 
-void track_profile_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_along )
+void track_profile_move( GtkWidget *event_box, GdkEventMotion *event, PropWidgets *widgets )
 {
-  VikTrack *tr = pass_along[0];
-  PropWidgets *widgets = pass_along[3];
   int mouse_x, mouse_y;
   GdkModifierType state;
 
@@ -714,14 +728,17 @@ void track_profile_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *
   else
     mouse_x = event->x;
 
-  gdouble x = mouse_x - event_box->allocation.width / 2 + widgets->profile_width / 2 - MARGIN / 2;
+  GtkAllocation allocation;
+  gtk_widget_get_allocation ( event_box, &allocation );
+
+  gdouble x = mouse_x - allocation.width / 2 + widgets->profile_width / 2 - MARGIN_X / 2;
   if (x < 0)
     x = 0;
   if (x > widgets->profile_width)
     x = widgets->profile_width;
 
   gdouble meters_from_start;
-  VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_dist ( tr, (gdouble) x / widgets->profile_width, &meters_from_start );
+  VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_dist ( widgets->tr, (gdouble) x / widgets->profile_width, &meters_from_start );
   if (trackpoint && widgets->w_cur_dist) {
     static gchar tmp_buf[20];
     vik_units_distance_t dist_units = a_vik_get_units_distance ();
@@ -732,6 +749,9 @@ void track_profile_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *
     case VIK_UNITS_DISTANCE_MILES:
       g_snprintf(tmp_buf, sizeof(tmp_buf), "%.2f miles", VIK_METERS_TO_MILES(meters_from_start) );
       break;
+    case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
+      g_snprintf(tmp_buf, sizeof(tmp_buf), "%.2f NM", VIK_METERS_TO_NAUTICAL_MILES(meters_from_start) );
+      break;
     default:
       g_critical("Houston, we've had a problem. distance=%d", dist_units);
     }
@@ -761,17 +781,17 @@ void track_profile_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *
 
   gdouble marker_x = -1.0; // i.e. Don't draw unless we get a valid value
   if (widgets->is_marker_drawn) {
-    gdouble pc = tp_percentage_by_distance ( tr, widgets->marker_tp, widgets->track_length_inc_gaps );
+    gdouble pc = tp_percentage_by_distance ( widgets->tr, widgets->marker_tp, widgets->track_length_inc_gaps );
     if (!isnan(pc)) {
-      marker_x = (pc * widgets->profile_width) + MARGIN;
+      marker_x = (pc * widgets->profile_width) + MARGIN_X;
     }
   }
 
   save_image_and_draw_graph_marks (image,
                                   marker_x,
-                                  window->style->black_gc,
-                                  MARGIN+x,
-                                  y_blob,
+                                  gtk_widget_get_style(window)->black_gc,
+                                  MARGIN_X+x,
+                                  MARGIN_Y+y_blob,
                                   &widgets->elev_graph_saved_img,
                                   widgets->profile_width,
                                   widgets->profile_height,
@@ -781,10 +801,8 @@ void track_profile_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *
   g_list_free(child);
 }
 
-void track_gradient_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_along )
+void track_gradient_move( GtkWidget *event_box, GdkEventMotion *event, PropWidgets *widgets )
 {
-  VikTrack *tr = pass_along[0];
-  PropWidgets *widgets = pass_along[3];
   int mouse_x, mouse_y;
   GdkModifierType state;
 
@@ -793,14 +811,17 @@ void track_gradient_move( GtkWidget *event_box, GdkEventMotion *event, gpointer
   else
     mouse_x = event->x;
 
-  gdouble x = mouse_x - event_box->allocation.width / 2 + widgets->profile_width / 2 - MARGIN / 2;
+  GtkAllocation allocation;
+  gtk_widget_get_allocation ( event_box, &allocation );
+
+  gdouble x = mouse_x - allocation.width / 2 + widgets->profile_width / 2 - MARGIN_X / 2;
   if (x < 0)
     x = 0;
   if (x > widgets->profile_width)
     x = widgets->profile_width;
 
   gdouble meters_from_start;
-  VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_dist ( tr, (gdouble) x / widgets->profile_width, &meters_from_start );
+  VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_dist ( widgets->tr, (gdouble) x / widgets->profile_width, &meters_from_start );
   if (trackpoint && widgets->w_cur_gradient_dist) {
     static gchar tmp_buf[20];
     vik_units_distance_t dist_units = a_vik_get_units_distance ();
@@ -811,6 +832,9 @@ void track_gradient_move( GtkWidget *event_box, GdkEventMotion *event, gpointer
     case VIK_UNITS_DISTANCE_MILES:
       g_snprintf(tmp_buf, sizeof(tmp_buf), "%.2f miles", VIK_METERS_TO_MILES(meters_from_start) );
       break;
+    case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
+      g_snprintf(tmp_buf, sizeof(tmp_buf), "%.2f NM", VIK_METERS_TO_NAUTICAL_MILES(meters_from_start) );
+      break;
     default:
       g_critical("Houston, we've had a problem. distance=%d", dist_units);
     }
@@ -840,17 +864,17 @@ void track_gradient_move( GtkWidget *event_box, GdkEventMotion *event, gpointer
 
   gdouble marker_x = -1.0; // i.e. Don't draw unless we get a valid value
   if (widgets->is_marker_drawn) {
-    gdouble pc = tp_percentage_by_distance ( tr, widgets->marker_tp, widgets->track_length_inc_gaps );
+    gdouble pc = tp_percentage_by_distance ( widgets->tr, widgets->marker_tp, widgets->track_length_inc_gaps );
     if (!isnan(pc)) {
-      marker_x = (pc * widgets->profile_width) + MARGIN;
+      marker_x = (pc * widgets->profile_width) + MARGIN_X;
     }
   }
 
   save_image_and_draw_graph_marks (image,
                                   marker_x,
-                                  window->style->black_gc,
-                                  MARGIN+x,
-                                  y_blob,
+                                  gtk_widget_get_style(window)->black_gc,
+                                  MARGIN_X+x,
+                                  MARGIN_Y+y_blob,
                                   &widgets->gradient_graph_saved_img,
                                   widgets->profile_width,
                                   widgets->profile_height,
@@ -860,10 +884,33 @@ void track_gradient_move( GtkWidget *event_box, GdkEventMotion *event, gpointer
   g_list_free(child);
 }
 
-void track_vt_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_along )
+//
+static void time_label_update (GtkWidget *widget, time_t seconds_from_start)
+{
+  static gchar tmp_buf[20];
+  guint h = seconds_from_start/3600;
+  guint m = (seconds_from_start - h*3600)/60;
+  guint s = seconds_from_start - (3600*h) - (60*m);
+  g_snprintf(tmp_buf, sizeof(tmp_buf), "%02d:%02d:%02d", h, m, s);
+  gtk_label_set_text(GTK_LABEL(widget), tmp_buf);
+}
+
+//
+static void real_time_label_update ( PropWidgets *widgets, GtkWidget *widget, VikTrackpoint *trackpoint)
+{
+  static gchar tmp_buf[64];
+  if ( trackpoint->has_timestamp ) {
+    // Alternatively could use %c format but I prefer a slightly more compact form here
+    //  The full date can of course be seen on the Statistics tab
+    strftime (tmp_buf, sizeof(tmp_buf), "%X %x %Z", localtime(&(trackpoint->timestamp)));
+  }
+  else
+    g_snprintf (tmp_buf, sizeof(tmp_buf), _("No Data"));
+  gtk_label_set_text(GTK_LABEL(widget), tmp_buf);
+}
+
+void track_vt_move( GtkWidget *event_box, GdkEventMotion *event, PropWidgets *widgets )
 {
-  VikTrack *tr = pass_along[0];
-  PropWidgets *widgets = pass_along[3];
   int mouse_x, mouse_y;
   GdkModifierType state;
 
@@ -872,23 +919,22 @@ void track_vt_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_
   else
     mouse_x = event->x;
 
-  gdouble x = mouse_x - event_box->allocation.width / 2 + widgets->profile_width / 2 - MARGIN / 2;
+  GtkAllocation allocation;
+  gtk_widget_get_allocation ( event_box, &allocation );
+  gdouble x = mouse_x - allocation.width / 2 + widgets->profile_width / 2 - MARGIN_X / 2;
   if (x < 0)
     x = 0;
   if (x > widgets->profile_width)
     x = widgets->profile_width;
 
   time_t seconds_from_start;
-  VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_time ( tr, (gdouble) x / widgets->profile_width, &seconds_from_start );
+  VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_time ( widgets->tr, (gdouble) x / widgets->profile_width, &seconds_from_start );
   if (trackpoint && widgets->w_cur_time) {
-    static gchar tmp_buf[20];
-    guint h, m, s;
-    h = seconds_from_start/3600;
-    m = (seconds_from_start - h*3600)/60;
-    s = seconds_from_start - (3600*h) - (60*m);
-    g_snprintf(tmp_buf, sizeof(tmp_buf), "%02d:%02d:%02d", h, m, s);
+    time_label_update ( widgets->w_cur_time, seconds_from_start );
+  }
 
-    gtk_label_set_text(GTK_LABEL(widgets->w_cur_time), tmp_buf);
+  if (trackpoint && widgets->w_cur_time_real) {
+    real_time_label_update ( widgets, widgets->w_cur_time_real, trackpoint );
   }
 
   gint ix = (gint)x;
@@ -933,17 +979,17 @@ void track_vt_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_
 
   gdouble marker_x = -1.0; // i.e. Don't draw unless we get a valid value
   if (widgets->is_marker_drawn) {
-    gdouble pc = tp_percentage_by_time ( tr, widgets->marker_tp );
+    gdouble pc = tp_percentage_by_time ( widgets->tr, widgets->marker_tp );
     if (!isnan(pc)) {
-      marker_x = (pc * widgets->profile_width) + MARGIN;
+      marker_x = (pc * widgets->profile_width) + MARGIN_X;
     }
   }
 
   save_image_and_draw_graph_marks (image,
                                   marker_x,
-                                  window->style->black_gc,
-                                  MARGIN+x,
-                                  y_blob,
+                                  gtk_widget_get_style(window)->black_gc,
+                                  MARGIN_X+x,
+                                  MARGIN_Y+y_blob,
                                   &widgets->speed_graph_saved_img,
                                   widgets->profile_width,
                                   widgets->profile_height,
@@ -956,10 +1002,8 @@ void track_vt_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_
 /**
  * Update labels and blob marker on mouse moves in the distance/time graph
  */
-void track_dt_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_along )
+void track_dt_move( GtkWidget *event_box, GdkEventMotion *event, PropWidgets *widgets )
 {
-  VikTrack *tr = pass_along[0];
-  PropWidgets *widgets = pass_along[3];
   int mouse_x, mouse_y;
   GdkModifierType state;
 
@@ -968,23 +1012,23 @@ void track_dt_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_
   else
     mouse_x = event->x;
 
-  gdouble x = mouse_x - event_box->allocation.width / 2 + widgets->profile_width / 2 - MARGIN / 2;
+  GtkAllocation allocation;
+  gtk_widget_get_allocation ( event_box, &allocation );
+
+  gdouble x = mouse_x - allocation.width / 2 + widgets->profile_width / 2 - MARGIN_X / 2;
   if (x < 0)
     x = 0;
   if (x > widgets->profile_width)
     x = widgets->profile_width;
 
   time_t seconds_from_start;
-  VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_time ( tr, (gdouble) x / widgets->profile_width, &seconds_from_start );
+  VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_time ( widgets->tr, (gdouble) x / widgets->profile_width, &seconds_from_start );
   if (trackpoint && widgets->w_cur_dist_time) {
-    static gchar tmp_buf[20];
-    guint h, m, s;
-    h = seconds_from_start/3600;
-    m = (seconds_from_start - h*3600)/60;
-    s = seconds_from_start - (3600*h) - (60*m);
-    g_snprintf(tmp_buf, sizeof(tmp_buf), "%02d:%02d:%02d", h, m, s);
+    time_label_update ( widgets->w_cur_dist_time, seconds_from_start );
+  }
 
-    gtk_label_set_text(GTK_LABEL(widgets->w_cur_dist_time), tmp_buf);
+  if (trackpoint && widgets->w_cur_dist_time_real) {
+    real_time_label_update ( widgets, widgets->w_cur_dist_time_real, trackpoint );
   }
 
   gint ix = (gint)x;
@@ -994,10 +1038,17 @@ void track_dt_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_
 
   if (trackpoint && widgets->w_cur_dist_dist) {
     static gchar tmp_buf[20];
-    if ( a_vik_get_units_distance () == VIK_UNITS_DISTANCE_MILES )
+    switch ( a_vik_get_units_distance () ) {
+    case VIK_UNITS_DISTANCE_MILES:
       g_snprintf(tmp_buf, sizeof(tmp_buf), "%.2f miles", widgets->distances[ix]);
-    else
+      break;
+    case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
+      g_snprintf(tmp_buf, sizeof(tmp_buf), "%.2f NM", widgets->distances[ix]);
+      break;
+    default:
       g_snprintf(tmp_buf, sizeof(tmp_buf), "%.2f km", widgets->distances[ix]);
+      break;
+    }
     gtk_label_set_text(GTK_LABEL(widgets->w_cur_dist_dist), tmp_buf);
   }
 
@@ -1014,17 +1065,17 @@ void track_dt_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_
 
   gdouble marker_x = -1.0; // i.e. Don't draw unless we get a valid value
   if (widgets->is_marker_drawn) {
-    gdouble pc = tp_percentage_by_time ( tr, widgets->marker_tp );
+    gdouble pc = tp_percentage_by_time ( widgets->tr, widgets->marker_tp );
     if (!isnan(pc)) {
-      marker_x = (pc * widgets->profile_width) + MARGIN;
+      marker_x = (pc * widgets->profile_width) + MARGIN_X;
     }
   }
 
   save_image_and_draw_graph_marks (image,
                                   marker_x,
-                                  window->style->black_gc,
-                                  MARGIN+x,
-                                  y_blob,
+                                  gtk_widget_get_style(window)->black_gc,
+                                  MARGIN_X+x,
+                                  MARGIN_Y+y_blob,
                                   &widgets->dist_graph_saved_img,
                                   widgets->profile_width,
                                   widgets->profile_height,
@@ -1037,10 +1088,8 @@ void track_dt_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_
 /**
  * Update labels and blob marker on mouse moves in the elevation/time graph
  */
-void track_et_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_along )
+void track_et_move( GtkWidget *event_box, GdkEventMotion *event, PropWidgets *widgets )
 {
-  VikTrack *tr = pass_along[0];
-  PropWidgets *widgets = pass_along[3];
   int mouse_x, mouse_y;
   GdkModifierType state;
 
@@ -1049,23 +1098,23 @@ void track_et_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_
   else
     mouse_x = event->x;
 
-  gdouble x = mouse_x - event_box->allocation.width / 2 + widgets->profile_width / 2 - MARGIN / 2;
+  GtkAllocation allocation;
+  gtk_widget_get_allocation ( event_box, &allocation );
+
+  gdouble x = mouse_x - allocation.width / 2 + widgets->profile_width / 2 - MARGIN_X / 2;
   if (x < 0)
     x = 0;
   if (x > widgets->profile_width)
     x = widgets->profile_width;
 
   time_t seconds_from_start;
-  VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_time ( tr, (gdouble) x / widgets->profile_width, &seconds_from_start );
+  VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_time ( widgets->tr, (gdouble) x / widgets->profile_width, &seconds_from_start );
   if (trackpoint && widgets->w_cur_elev_time) {
-    static gchar tmp_buf[20];
-    guint h, m, s;
-    h = seconds_from_start/3600;
-    m = (seconds_from_start - h*3600)/60;
-    s = seconds_from_start - (3600*h) - (60*m);
-    g_snprintf(tmp_buf, sizeof(tmp_buf), "%02d:%02d:%02d", h, m, s);
+    time_label_update ( widgets->w_cur_elev_time, seconds_from_start );
+  }
 
-    gtk_label_set_text(GTK_LABEL(widgets->w_cur_elev_time), tmp_buf);
+  if (trackpoint && widgets->w_cur_elev_time_real) {
+    real_time_label_update ( widgets, widgets->w_cur_elev_time_real, trackpoint );
   }
 
   gint ix = (gint)x;
@@ -1095,17 +1144,17 @@ void track_et_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_
 
   gdouble marker_x = -1.0; // i.e. Don't draw unless we get a valid value
   if (widgets->is_marker_drawn) {
-    gdouble pc = tp_percentage_by_time ( tr, widgets->marker_tp );
+    gdouble pc = tp_percentage_by_time ( widgets->tr, widgets->marker_tp );
     if (!isnan(pc)) {
-      marker_x = (pc * widgets->profile_width) + MARGIN;
+      marker_x = (pc * widgets->profile_width) + MARGIN_X;
     }
   }
 
   save_image_and_draw_graph_marks (image,
                                   marker_x,
-                                  window->style->black_gc,
-                                  MARGIN+x,
-                                  y_blob,
+                                  gtk_widget_get_style(window)->black_gc,
+                                  MARGIN_X+x,
+                                  MARGIN_Y+y_blob,
                                   &widgets->elev_time_graph_saved_img,
                                   widgets->profile_width,
                                   widgets->profile_height,
@@ -1115,10 +1164,8 @@ void track_et_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_
   g_list_free(child);
 }
 
-void track_sd_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_along )
+void track_sd_move( GtkWidget *event_box, GdkEventMotion *event, PropWidgets *widgets )
 {
-  VikTrack *tr = pass_along[0];
-  PropWidgets *widgets = pass_along[3];
   int mouse_x, mouse_y;
   GdkModifierType state;
 
@@ -1127,14 +1174,17 @@ void track_sd_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_
   else
     mouse_x = event->x;
 
-  gdouble x = mouse_x - event_box->allocation.width / 2 + widgets->profile_width / 2 - MARGIN / 2;
+  GtkAllocation allocation;
+  gtk_widget_get_allocation ( event_box, &allocation );
+
+  gdouble x = mouse_x - allocation.width / 2 + widgets->profile_width / 2 - MARGIN_X / 2;
   if (x < 0)
     x = 0;
   if (x > widgets->profile_width)
     x = widgets->profile_width;
 
   gdouble meters_from_start;
-  VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_dist ( tr, (gdouble) x / widgets->profile_width, &meters_from_start );
+  VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_dist ( widgets->tr, (gdouble) x / widgets->profile_width, &meters_from_start );
   if (trackpoint && widgets->w_cur_speed_dist) {
     static gchar tmp_buf[20];
     vik_units_distance_t dist_units = a_vik_get_units_distance ();
@@ -1145,6 +1195,9 @@ void track_sd_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_
     case VIK_UNITS_DISTANCE_MILES:
       g_snprintf(tmp_buf, sizeof(tmp_buf), "%.2f miles", VIK_METERS_TO_MILES(meters_from_start) );
       break;
+    case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
+      g_snprintf(tmp_buf, sizeof(tmp_buf), "%.2f NM", VIK_METERS_TO_NAUTICAL_MILES(meters_from_start) );
+      break;
     default:
       g_critical("Houston, we've had a problem. distance=%d", dist_units);
     }
@@ -1193,17 +1246,17 @@ void track_sd_move( GtkWidget *event_box, GdkEventMotion *event, gpointer *pass_
 
   gdouble marker_x = -1.0; // i.e. Don't draw unless we get a valid value
   if (widgets->is_marker_drawn) {
-    gdouble pc = tp_percentage_by_distance ( tr, widgets->marker_tp, widgets->track_length_inc_gaps );
+    gdouble pc = tp_percentage_by_distance ( widgets->tr, widgets->marker_tp, widgets->track_length_inc_gaps );
     if (!isnan(pc)) {
-      marker_x = (pc * widgets->profile_width) + MARGIN;
+      marker_x = (pc * widgets->profile_width) + MARGIN_X;
     }
   }
 
   save_image_and_draw_graph_marks (image,
                                   marker_x,
-                                  window->style->black_gc,
-                                  MARGIN+x,
-                                  y_blob,
+                                  gtk_widget_get_style(window)->black_gc,
+                                  MARGIN_X+x,
+                                  MARGIN_Y+y_blob,
                                   &widgets->speed_dist_graph_saved_img,
                                   widgets->profile_width,
                                   widgets->profile_height,
@@ -1240,6 +1293,9 @@ static void draw_dem_alt_speed_dist(VikTrack *tr,
     max_speed = max_speed_in * 110 / 100;
 
   gdouble dist = 0;
+  gint h2 = height + MARGIN_Y; // Adjust height for x axis labelling offset
+  gint achunk = chunksa[cia]*LINES;
+
   for (iter = tr->trackpoints->next; iter; iter = iter->next) {
     int x;
     dist += vik_coord_diff ( &(VIK_TRACKPOINT(iter->data)->coord),
@@ -1254,29 +1310,205 @@ static void draw_dem_alt_speed_dist(VikTrack *tr,
          elev =  VIK_METERS_TO_FEET(elev);
        // No conversion needed if already in metres
 
-       // consider chunk size
-       int y_alt = height - ((height * elev)/(chunksa[cia]*LINES) );
-       gdk_draw_rectangle(GDK_DRAWABLE(pix), alt_gc, TRUE, x-2, y_alt-2, 4, 4);
+        // consider chunk size
+        int y_alt = h2 - ((height * elev)/achunk );
+        gdk_draw_rectangle(GDK_DRAWABLE(pix), alt_gc, TRUE, x-2, y_alt-2, 4, 4);
       }
     }
     if (do_speed) {
       // This is just a speed indicator - no actual values can be inferred by user
       if (!isnan(VIK_TRACKPOINT(iter->data)->speed)) {
-       int y_speed = height - (height * VIK_TRACKPOINT(iter->data)->speed)/max_speed;
-       gdk_draw_rectangle(GDK_DRAWABLE(pix), speed_gc, TRUE, x-2, y_speed-2, 4, 4);
+        int y_speed = h2 - (height * VIK_TRACKPOINT(iter->data)->speed)/max_speed;
+        gdk_draw_rectangle(GDK_DRAWABLE(pix), speed_gc, TRUE, x-2, y_speed-2, 4, 4);
       }
     }
   }
 }
 
+/**
+ * draw_grid_y:
+ *
+ * A common way to draw the grid with y axis labels
+ *
+ */
+static void draw_grid_y ( GtkWidget *window, GtkWidget *image, PropWidgets *widgets, GdkPixmap *pix, gchar *ss, gint i )
+{
+  PangoLayout *pl = gtk_widget_create_pango_layout (GTK_WIDGET(image), NULL);
+
+  pango_layout_set_alignment (pl, PANGO_ALIGN_RIGHT);
+  pango_layout_set_font_description (pl, gtk_widget_get_style(window)->font_desc);
+
+  gchar *label_markup = g_strdup_printf ( "<span size=\"small\">%s</span>", ss );
+  pango_layout_set_markup ( pl, label_markup, -1 );
+  g_free ( label_markup );
+
+  int w, h;
+  pango_layout_get_pixel_size ( pl, &w, &h );
+
+  gdk_draw_layout ( GDK_DRAWABLE(pix), gtk_widget_get_style(window)->fg_gc[0],
+                    MARGIN_X-w-3,
+                    CLAMP((int)i*widgets->profile_height/LINES - h/2 + MARGIN_Y, 0, widgets->profile_height-h+MARGIN_Y),
+                    pl );
+  g_object_unref ( G_OBJECT ( pl ) );
+
+  gdk_draw_line ( GDK_DRAWABLE(pix), gtk_widget_get_style(window)->dark_gc[0],
+                  MARGIN_X, MARGIN_Y + widgets->profile_height/LINES * i,
+                  MARGIN_X + widgets->profile_width, MARGIN_Y + widgets->profile_height/LINES * i );
+}
+
+/**
+ * draw_grid_x_time:
+ *
+ * A common way to draw the grid with x axis labels for time graphs
+ *
+ */
+static void draw_grid_x_time ( GtkWidget *window, GtkWidget *image, PropWidgets *widgets, GdkPixmap *pix, guint ii, guint tt, guint xx )
+{
+  gchar *label_markup = NULL;
+  switch (ii) {
+    case 0:
+    case 1:
+    case 2:
+    case 3:
+      // Minutes
+      label_markup = g_strdup_printf ( "<span size=\"small\">%d %s</span>", tt/60, _("mins") );
+      break;
+    case 4:
+    case 5:
+    case 6:
+    case 7:
+      // Hours
+      label_markup = g_strdup_printf ( "<span size=\"small\">%.1f %s</span>", (gdouble)tt/(60*60), _("h") );
+      break;
+    case 8:
+    case 9:
+    case 10:
+      // Days
+      label_markup = g_strdup_printf ( "<span size=\"small\">%.1f %s</span>", (gdouble)tt/(60*60*24), _("d") );
+      break;
+    case 11:
+    case 12:
+      // Weeks
+      label_markup = g_strdup_printf ( "<span size=\"small\">%.1f %s</span>", (gdouble)tt/(60*60*24*7), _("w") );
+      break;
+    case 13:
+      // 'Months'
+      label_markup = g_strdup_printf ( "<span size=\"small\">%.1f %s</span>", (gdouble)tt/(60*60*24*28), _("M") );
+      break;
+    default:
+      break;
+  }
+  if ( label_markup ) {
+
+    PangoLayout *pl = gtk_widget_create_pango_layout (GTK_WIDGET(image), NULL);
+    pango_layout_set_font_description (pl, gtk_widget_get_style(window)->font_desc);
+
+    pango_layout_set_markup ( pl, label_markup, -1 );
+    g_free ( label_markup );
+    int ww, hh;
+    pango_layout_get_pixel_size ( pl, &ww, &hh );
+
+    gdk_draw_layout ( GDK_DRAWABLE(pix), gtk_widget_get_style(window)->fg_gc[0],
+                      MARGIN_X+xx-ww/2, MARGIN_Y/2-hh/2, pl );
+    g_object_unref ( G_OBJECT ( pl ) );
+  }
+
+  gdk_draw_line ( GDK_DRAWABLE(pix), gtk_widget_get_style(window)->dark_gc[0],
+                  MARGIN_X+xx, MARGIN_Y, MARGIN_X+xx, MARGIN_Y+widgets->profile_height );
+}
+
+/**
+ * draw_grid_x_distance:
+ *
+ * A common way to draw the grid with x axis labels for distance graphs
+ *
+ */
+static void draw_grid_x_distance ( GtkWidget *window, GtkWidget *image, PropWidgets *widgets, GdkPixmap *pix, guint ii, gdouble dd, guint xx, vik_units_distance_t dist_units )
+{
+  gchar *label_markup = NULL;
+  switch ( dist_units ) {
+  case VIK_UNITS_DISTANCE_MILES:
+    if ( ii > 4 )
+      label_markup = g_strdup_printf ( "<span size=\"small\">%d %s</span>", (guint)dd, _("miles") );
+    else
+      label_markup = g_strdup_printf ( "<span size=\"small\">%.1f %s</span>", dd, _("miles") );
+    break;
+  case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
+    if ( ii > 4 )
+      label_markup = g_strdup_printf ( "<span size=\"small\">%d %s</span>", (guint)dd, _("NM") );
+    else
+      label_markup = g_strdup_printf ( "<span size=\"small\">%.1f %s</span>", dd, _("NM") );
+    break;
+  default:
+    // VIK_UNITS_DISTANCE_KILOMETRES:
+    if ( ii > 4 )
+      label_markup = g_strdup_printf ( "<span size=\"small\">%d %s</span>", (guint)dd, _("km") );
+    else
+      label_markup = g_strdup_printf ( "<span size=\"small\">%.1f %s</span>", dd, _("km") );
+    break;
+  }
+
+  if ( label_markup ) {
+    PangoLayout *pl = gtk_widget_create_pango_layout (GTK_WIDGET(image), NULL);
+    pango_layout_set_font_description (pl, gtk_widget_get_style(window)->font_desc);
+
+    pango_layout_set_markup ( pl, label_markup, -1 );
+    g_free ( label_markup );
+    int ww, hh;
+    pango_layout_get_pixel_size ( pl, &ww, &hh );
+
+    gdk_draw_layout ( GDK_DRAWABLE(pix), gtk_widget_get_style(window)->fg_gc[0],
+                      MARGIN_X+xx-ww/2, MARGIN_Y/2-hh/2, pl );
+    g_object_unref ( G_OBJECT ( pl ) );
+  }
+
+  gdk_draw_line ( GDK_DRAWABLE(pix), gtk_widget_get_style(window)->dark_gc[0],
+                  MARGIN_X+xx, MARGIN_Y, MARGIN_X+xx, MARGIN_Y+widgets->profile_height );
+}
+
+/**
+ * clear the images (scale texts & actual graph)
+ */
+static void clear_images (GdkPixmap *pix, GtkWidget *window, PropWidgets *widgets)
+{
+  gdk_draw_rectangle(GDK_DRAWABLE(pix), gtk_widget_get_style(window)->bg_gc[0],
+                     TRUE, 0, 0, widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y);
+  gdk_draw_rectangle(GDK_DRAWABLE(pix), gtk_widget_get_style(window)->mid_gc[0],
+                     TRUE, 0, 0, widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y);
+}
+
+/**
+ *
+ */
+static void draw_distance_divisions ( GtkWidget *window, GtkWidget *image, GdkPixmap *pix, PropWidgets *widgets, vik_units_distance_t dist_units )
+{
+  // Set to display units from length in metres.
+  gdouble length = widgets->track_length_inc_gaps;
+  switch (dist_units) {
+    case VIK_UNITS_DISTANCE_MILES:
+      length = VIK_METERS_TO_MILES(length);
+      break;
+    case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
+      length = VIK_METERS_TO_NAUTICAL_MILES(length);
+      break;
+    default:
+      // KM
+      length = length/1000.0;
+      break;
+  }
+  guint index = get_distance_chunk_index ( length );
+  gdouble dist_per_pixel = length/widgets->profile_width;
+
+  for (guint i=1; chunksd[index]*i <= length; i++) {
+    draw_grid_x_distance ( window, image, widgets, pix, index, chunksd[index]*i, (guint)(chunksd[index]*i/dist_per_pixel), dist_units );
+  }
+}
+
 /**
  * Draw just the height profile image
  */
 static void draw_elevations (GtkWidget *image, VikTrack *tr, PropWidgets *widgets )
 {
-  GtkWidget *window;
-  GdkPixmap *pix;
-  gdouble mina, maxa;
   guint i;
 
   GdkGC *no_alt_info;
@@ -1303,39 +1535,27 @@ static void draw_elevations (GtkWidget *image, VikTrack *tr, PropWidgets *widget
 
   minmax_array(widgets->altitudes, &widgets->min_altitude, &widgets->max_altitude, TRUE, widgets->profile_width);
 
-  get_new_min_and_chunk_index_altitude (widgets->min_altitude, widgets->max_altitude, &widgets->draw_min_altitude, &widgets->cia);
+  get_new_min_and_chunk_index (widgets->min_altitude, widgets->max_altitude, chunksa, G_N_ELEMENTS(chunksa), &widgets->draw_min_altitude, &widgets->cia);
 
   // Assign locally
-  mina = widgets->draw_min_altitude;
-  maxa = widgets->max_altitude;
-
-  window = gtk_widget_get_toplevel (widgets->elev_box);
+  gdouble mina = widgets->draw_min_altitude;
 
-  pix = gdk_pixmap_new( window->window, widgets->profile_width + MARGIN, widgets->profile_height, -1 );
+  GtkWidget *window = gtk_widget_get_toplevel (widgets->elev_box);
+  GdkPixmap *pix = gdk_pixmap_new( gtk_widget_get_window(window), widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y, -1 );
 
   gtk_image_set_from_pixmap ( GTK_IMAGE(image), pix, NULL );
 
-  no_alt_info = gdk_gc_new ( window->window );
+  no_alt_info = gdk_gc_new ( gtk_widget_get_window(window) );
   gdk_color_parse ( "yellow", &color );
   gdk_gc_set_rgb_fg_color ( no_alt_info, &color);
 
-  /* clear the image */
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->bg_gc[0], 
-                    TRUE, 0, 0, MARGIN, widgets->profile_height);
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->mid_gc[0], 
-                    TRUE, MARGIN, 0, widgets->profile_width, widgets->profile_height);
-  
+  // Reset before redrawing
+  clear_images (pix, window, widgets);
+
   /* draw grid */
   for (i=0; i<=LINES; i++) {
-    PangoFontDescription *pfd;
-    PangoLayout *pl = gtk_widget_create_pango_layout (GTK_WIDGET(image), NULL);
     gchar s[32];
-    int w, h;
 
-    pango_layout_set_alignment (pl, PANGO_ALIGN_RIGHT);
-    pfd = pango_font_description_from_string (PROPWIN_LABEL_FONT);
-    pango_layout_set_font_description (pl, pfd);
-    pango_font_description_free (pfd);
     switch (height_units) {
     case VIK_UNITS_HEIGHT_METRES:
       sprintf(s, "%8dm", (int)(mina + (LINES-i)*chunksa[widgets->cia]));
@@ -1348,31 +1568,27 @@ static void draw_elevations (GtkWidget *image, VikTrack *tr, PropWidgets *widget
       sprintf(s, "--");
       g_critical("Houston, we've had a problem. height=%d", height_units);
     }
-    pango_layout_set_text(pl, s, -1);
-    pango_layout_get_pixel_size (pl, &w, &h);
-    gdk_draw_layout(GDK_DRAWABLE(pix), window->style->fg_gc[0], MARGIN-w-3, 
-                   CLAMP((int)i*widgets->profile_height/LINES - h/2, 0, widgets->profile_height-h), pl);
 
-    gdk_draw_line (GDK_DRAWABLE(pix), window->style->dark_gc[0], 
-                  MARGIN, widgets->profile_height/LINES * i, MARGIN + widgets->profile_width, widgets->profile_height/LINES * i);
-    g_object_unref ( G_OBJECT ( pl ) );
-    pl = NULL;
+    draw_grid_y ( window, image, widgets, pix, s, i );
   }
 
+  draw_distance_divisions ( window, image, pix, widgets, a_vik_get_units_distance() );
+
   /* draw elevations */
+  guint height = MARGIN_Y+widgets->profile_height;
   for ( i = 0; i < widgets->profile_width; i++ )
     if ( widgets->altitudes[i] == VIK_DEFAULT_ALTITUDE )
       gdk_draw_line ( GDK_DRAWABLE(pix), no_alt_info, 
-                     i + MARGIN, 0, i + MARGIN, widgets->profile_height );
+                      i + MARGIN_X, MARGIN_Y, i + MARGIN_X, height );
     else 
-      gdk_draw_line ( GDK_DRAWABLE(pix), window->style->dark_gc[3], 
-                     i + MARGIN, widgets->profile_height, i + MARGIN, widgets->profile_height-widgets->profile_height*(widgets->altitudes[i]-mina)/(chunksa[widgets->cia]*LINES) );
+      gdk_draw_line ( GDK_DRAWABLE(pix), gtk_widget_get_style(window)->dark_gc[3],
+                      i + MARGIN_X, height, i + MARGIN_X, height-widgets->profile_height*(widgets->altitudes[i]-mina)/(chunksa[widgets->cia]*LINES) );
 
   if ( gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(widgets->w_show_dem)) ||
        gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(widgets->w_show_alt_gps_speed)) ) {
 
-    GdkGC *dem_alt_gc = gdk_gc_new ( window->window );
-    GdkGC *gps_speed_gc = gdk_gc_new ( window->window );
+    GdkGC *dem_alt_gc = gdk_gc_new ( gtk_widget_get_window(window) );
+    GdkGC *gps_speed_gc = gdk_gc_new ( gtk_widget_get_window(window) );
 
     gdk_color_parse ( "green", &color );
     gdk_gc_set_rgb_fg_color ( dem_alt_gc, &color);
@@ -1389,12 +1605,12 @@ static void draw_elevations (GtkWidget *image, VikTrack *tr, PropWidgets *widget
                            dem_alt_gc,
                            gps_speed_gc,
                            mina,
-                           maxa - mina,
+                           widgets->max_altitude - mina,
                            widgets->max_speed,
                            widgets->cia,
                            widgets->profile_width,
                            widgets->profile_height,
-                           MARGIN,
+                           MARGIN_X,
                            gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(widgets->w_show_dem)),
                            gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(widgets->w_show_alt_gps_speed)));
     
@@ -1403,7 +1619,7 @@ static void draw_elevations (GtkWidget *image, VikTrack *tr, PropWidgets *widget
   }
 
   /* draw border */
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->black_gc, FALSE, MARGIN, 0, widgets->profile_width-1, widgets->profile_height-1);
+  gdk_draw_rectangle(GDK_DRAWABLE(pix), gtk_widget_get_style(window)->black_gc, FALSE, MARGIN_X, MARGIN_Y, widgets->profile_width-1, widgets->profile_height-1);
 
   g_object_unref ( G_OBJECT(pix) );
   g_object_unref ( G_OBJECT(no_alt_info) );
@@ -1435,7 +1651,7 @@ static void draw_speed_dist(VikTrack *tr,
     int x;
     dist += vik_coord_diff ( &(VIK_TRACKPOINT(iter->data)->coord),
                             &(VIK_TRACKPOINT(iter->prev->data)->coord) );
-    x = (width * dist)/total_length + margin;
+    x = (width * dist)/total_length + MARGIN_X;
     if (do_speed) {
       // This is just a speed indicator - no actual values can be inferred by user
       if (!isnan(VIK_TRACKPOINT(iter->data)->speed)) {
@@ -1451,13 +1667,8 @@ static void draw_speed_dist(VikTrack *tr,
  */
 static void draw_gradients (GtkWidget *image, VikTrack *tr, PropWidgets *widgets )
 {
-  GtkWidget *window;
-  GdkPixmap *pix;
-  gdouble mina;
   guint i;
 
-  GdkColor color;
-
   // Free previous allocation
   if ( widgets->gradients )
     g_free ( widgets->gradients );
@@ -1469,54 +1680,40 @@ static void draw_gradients (GtkWidget *image, VikTrack *tr, PropWidgets *widgets
 
   minmax_array(widgets->gradients, &widgets->min_gradient, &widgets->max_gradient, TRUE, widgets->profile_width);
 
-  get_new_min_and_chunk_index_gradient (widgets->min_gradient, widgets->max_gradient, &widgets->draw_min_gradient, &widgets->cig);
+  get_new_min_and_chunk_index (widgets->min_gradient, widgets->max_gradient, chunksg, G_N_ELEMENTS(chunksg), &widgets->draw_min_gradient, &widgets->cig);
 
   // Assign locally
-  mina = widgets->draw_min_gradient;
-
-  window = gtk_widget_get_toplevel (widgets->gradient_box);
+  gdouble mina = widgets->draw_min_gradient;
 
-  pix = gdk_pixmap_new( window->window, widgets->profile_width + MARGIN, widgets->profile_height, -1 );
+  GtkWidget *window = gtk_widget_get_toplevel (widgets->gradient_box);
+  GdkPixmap *pix = gdk_pixmap_new( gtk_widget_get_window(window), widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y, -1 );
 
   gtk_image_set_from_pixmap ( GTK_IMAGE(image), pix, NULL );
 
-  /* clear the image */
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->bg_gc[0], 
-                    TRUE, 0, 0, MARGIN, widgets->profile_height);
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->mid_gc[0], 
-                    TRUE, MARGIN, 0, widgets->profile_width, widgets->profile_height);
-  
+  // Reset before redrawing
+  clear_images (pix, window, widgets);
+
   /* draw grid */
   for (i=0; i<=LINES; i++) {
-    PangoFontDescription *pfd;
-    PangoLayout *pl = gtk_widget_create_pango_layout (GTK_WIDGET(image), NULL);
     gchar s[32];
-    int w, h;
 
-    pango_layout_set_alignment (pl, PANGO_ALIGN_RIGHT);
-    pfd = pango_font_description_from_string (PROPWIN_LABEL_FONT);
-    pango_layout_set_font_description (pl, pfd);
-    pango_font_description_free (pfd);
     sprintf(s, "%8d%%", (int)(mina + (LINES-i)*chunksg[widgets->cig]));
-    pango_layout_set_text(pl, s, -1);
-    pango_layout_get_pixel_size (pl, &w, &h);
-    gdk_draw_layout(GDK_DRAWABLE(pix), window->style->fg_gc[0], MARGIN-w-3, 
-                   CLAMP((int)i*widgets->profile_height/LINES - h/2, 0, widgets->profile_height-h), pl);
 
-    gdk_draw_line (GDK_DRAWABLE(pix), window->style->dark_gc[0], 
-                  MARGIN, widgets->profile_height/LINES * i, MARGIN + widgets->profile_width, widgets->profile_height/LINES * i);
-    g_object_unref ( G_OBJECT ( pl ) );
-    pl = NULL;
+    draw_grid_y ( window, image, widgets, pix, s, i );
   }
 
+  draw_distance_divisions ( window, image, pix, widgets, a_vik_get_units_distance() );
+
   /* draw gradients */
+  guint height = widgets->profile_height + MARGIN_Y;
   for ( i = 0; i < widgets->profile_width; i++ )
-      gdk_draw_line ( GDK_DRAWABLE(pix), window->style->dark_gc[3], 
-                     i + MARGIN, widgets->profile_height, i + MARGIN, widgets->profile_height-widgets->profile_height*(widgets->gradients[i]-mina)/(chunksg[widgets->cig]*LINES) );
+    gdk_draw_line ( GDK_DRAWABLE(pix), gtk_widget_get_style(window)->dark_gc[3],
+                    i + MARGIN_X, height, i + MARGIN_X, height - widgets->profile_height*(widgets->gradients[i]-mina)/(chunksg[widgets->cig]*LINES) );
 
   if ( gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(widgets->w_show_gradient_gps_speed)) ) {
-    GdkGC *gps_speed_gc = gdk_gc_new ( window->window );
+    GdkGC *gps_speed_gc = gdk_gc_new ( gtk_widget_get_window(window) );
 
+    GdkColor color;
     gdk_color_parse ( "red", &color );
     gdk_gc_set_rgb_fg_color ( gps_speed_gc, &color);
 
@@ -1530,26 +1727,37 @@ static void draw_gradients (GtkWidget *image, VikTrack *tr, PropWidgets *widgets
                            widgets->max_speed,
                            widgets->profile_width,
                            widgets->profile_height,
-                           MARGIN,
+                           MARGIN_X,
                            gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(widgets->w_show_alt_gps_speed)));
     
     g_object_unref ( G_OBJECT(gps_speed_gc) );
   }
 
   /* draw border */
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->black_gc, FALSE, MARGIN, 0, widgets->profile_width-1, widgets->profile_height-1);
+  gdk_draw_rectangle(GDK_DRAWABLE(pix), gtk_widget_get_style(window)->black_gc, FALSE, MARGIN_X, MARGIN_Y, widgets->profile_width-1, widgets->profile_height-1);
 
   g_object_unref ( G_OBJECT(pix) );
 }
 
+static void draw_time_lines ( GtkWidget *window, GtkWidget *image, GdkPixmap *pix, PropWidgets *widgets )
+{
+  guint index = get_time_chunk_index ( widgets->duration );
+  gdouble time_per_pixel = (gdouble)(widgets->duration)/widgets->profile_width;
+
+  // If stupidly long track in time - don't bother trying to draw grid lines
+  if ( widgets->duration > chunkst[G_N_ELEMENTS(chunkst)-1]*LINES*LINES )
+    return;
+
+  for (guint i=1; chunkst[index]*i <= widgets->duration; i++) {
+    draw_grid_x_time ( window, image, widgets, pix, index, chunkst[index]*i, (guint)(chunkst[index]*i/time_per_pixel) );
+  }
+}
+
 /**
  * Draw just the speed (velocity)/time image
  */
 static void draw_vt ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets)
 {
-  GtkWidget *window;
-  GdkPixmap *pix;
-  gdouble mins;
   guint i;
 
   // Free previous allocation
@@ -1560,6 +1768,11 @@ static void draw_vt ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets)
   if ( widgets->speeds == NULL )
     return;
 
+  widgets->duration = vik_track_get_duration ( tr );
+  // Negative time or other problem
+  if ( widgets->duration <= 0 )
+    return;
+
   // Convert into appropriate units
   vik_units_speed_t speed_units = a_vik_get_units_speed ();
   switch (speed_units) {
@@ -1584,9 +1797,8 @@ static void draw_vt ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets)
     break;
   }
 
-  window = gtk_widget_get_toplevel (widgets->speed_box);
-
-  pix = gdk_pixmap_new( window->window, widgets->profile_width + MARGIN, widgets->profile_height, -1 );
+  GtkWidget *window = gtk_widget_get_toplevel (widgets->speed_box);
+  GdkPixmap *pix = gdk_pixmap_new( gtk_widget_get_window(window), widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y, -1 );
 
   gtk_image_set_from_pixmap ( GTK_IMAGE(image), pix, NULL );
 
@@ -1595,28 +1807,18 @@ static void draw_vt ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets)
     widgets->min_speed = 0; /* splines sometimes give negative speeds */
 
   /* Find suitable chunk index */
-  get_new_min_and_chunk_index (widgets->min_speed, widgets->max_speed, chunkss, sizeof(chunkss)/sizeof(chunkss[0]), &widgets->draw_min_speed, &widgets->cis);
+  get_new_min_and_chunk_index (widgets->min_speed, widgets->max_speed, chunkss, G_N_ELEMENTS(chunkss), &widgets->draw_min_speed, &widgets->cis);
 
   // Assign locally
-  mins = widgets->draw_min_speed;
-  
-  /* clear the image */
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->bg_gc[0], 
-                    TRUE, 0, 0, MARGIN, widgets->profile_height);
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->mid_gc[0], 
-                    TRUE, MARGIN, 0, widgets->profile_width, widgets->profile_height);
+  gdouble mins = widgets->draw_min_speed;
+
+  // Reset before redrawing
+  clear_images (pix, window, widgets);
 
   /* draw grid */
   for (i=0; i<=LINES; i++) {
-    PangoFontDescription *pfd;
-    PangoLayout *pl = gtk_widget_create_pango_layout (GTK_WIDGET(image), NULL);
     gchar s[32];
-    int w, h;
 
-    pango_layout_set_alignment (pl, PANGO_ALIGN_RIGHT);
-    pfd = pango_font_description_from_string (PROPWIN_LABEL_FONT);
-    pango_layout_set_font_description (pl, pfd);
-    pango_font_description_free (pfd);
     // NB: No need to convert here anymore as numbers are in the appropriate units
     switch (speed_units) {
     case VIK_UNITS_SPEED_KILOMETRES_PER_HOUR:
@@ -1636,27 +1838,20 @@ static void draw_vt ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets)
       g_critical("Houston, we've had a problem. speed=%d", speed_units);
     }
 
-    pango_layout_set_text(pl, s, -1);
-    pango_layout_get_pixel_size (pl, &w, &h);
-    gdk_draw_layout(GDK_DRAWABLE(pix), window->style->fg_gc[0], MARGIN-w-3, 
-                   CLAMP((int)i*widgets->profile_height/LINES - h/2, 0, widgets->profile_height-h), pl);
-
-    gdk_draw_line (GDK_DRAWABLE(pix), window->style->dark_gc[0], 
-                  MARGIN, widgets->profile_height/LINES * i, MARGIN + widgets->profile_width, widgets->profile_height/LINES * i);
-    g_object_unref ( G_OBJECT ( pl ) );
-    pl = NULL;
+    draw_grid_y ( window, image, widgets, pix, s, i );
   }
-  
+
+  draw_time_lines ( window, image, pix, widgets );
 
   /* draw speeds */
+  guint height = widgets->profile_height + MARGIN_Y;
   for ( i = 0; i < widgets->profile_width; i++ )
-      gdk_draw_line ( GDK_DRAWABLE(pix), window->style->dark_gc[3], 
-                     i + MARGIN, widgets->profile_height, i + MARGIN, widgets->profile_height-widgets->profile_height*(widgets->speeds[i]-mins)/(chunkss[widgets->cis]*LINES) );
-
+    gdk_draw_line ( GDK_DRAWABLE(pix), gtk_widget_get_style(window)->dark_gc[3],
+                    i + MARGIN_X, height, i + MARGIN_X, height - widgets->profile_height*(widgets->speeds[i]-mins)/(chunkss[widgets->cis]*LINES) );
 
   if ( gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widgets->w_show_gps_speed)) ) {
 
-    GdkGC *gps_speed_gc = gdk_gc_new ( window->window );
+    GdkGC *gps_speed_gc = gdk_gc_new ( gtk_widget_get_window(window) );
     GdkColor color;
     gdk_color_parse ( "red", &color );
     gdk_gc_set_rgb_fg_color ( gps_speed_gc, &color);
@@ -1684,15 +1879,15 @@ static void draw_vt ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets)
        // No need to convert as already in m/s
        break;
       }
-      int x = MARGIN + widgets->profile_width * (VIK_TRACKPOINT(iter->data)->timestamp - beg_time) / dur;
-      int y = widgets->profile_height - widgets->profile_height*(gps_speed - mins)/(chunkss[widgets->cis]*LINES);
+      int x = MARGIN_X + widgets->profile_width * (VIK_TRACKPOINT(iter->data)->timestamp - beg_time) / dur;
+      int y = height - widgets->profile_height*(gps_speed - mins)/(chunkss[widgets->cis]*LINES);
       gdk_draw_rectangle(GDK_DRAWABLE(pix), gps_speed_gc, TRUE, x-2, y-2, 4, 4);
     }
     g_object_unref ( G_OBJECT(gps_speed_gc) );
   }
 
   /* draw border */
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->black_gc, FALSE, MARGIN, 0, widgets->profile_width-1, widgets->profile_height-1);
+  gdk_draw_rectangle(GDK_DRAWABLE(pix), gtk_widget_get_style(window)->black_gc, FALSE, MARGIN_X, MARGIN_Y, widgets->profile_width-1, widgets->profile_height-1);
 
   g_object_unref ( G_OBJECT(pix) );
 }
@@ -1702,9 +1897,6 @@ static void draw_vt ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets)
  */
 static void draw_dt ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets )
 {
-  GtkWidget *window;
-  GdkPixmap *pix;
-  gdouble maxd;
   guint i;
 
   // Free previous allocation
@@ -1717,77 +1909,88 @@ static void draw_dt ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets )
 
   // Convert into appropriate units
   vik_units_distance_t dist_units = a_vik_get_units_distance ();
-  if ( dist_units == VIK_UNITS_DISTANCE_MILES ) {
-    for ( i = 0; i < widgets->profile_width; i++ ) {
-      widgets->distances[i] = VIK_METERS_TO_MILES(widgets->distances[i]);
-    }
-  }
-  else {
-    // Metres - but want in kms
-    for ( i = 0; i < widgets->profile_width; i++ ) {
-      widgets->distances[i] = widgets->distances[i]/1000.0;
-    }
+  switch ( dist_units ) {
+    case VIK_UNITS_DISTANCE_MILES:
+      for ( i = 0; i < widgets->profile_width; i++ ) {
+        widgets->distances[i] = VIK_METERS_TO_MILES(widgets->distances[i]);
+      }
+      break;
+    case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
+      for ( i = 0; i < widgets->profile_width; i++ ) {
+        widgets->distances[i] = VIK_METERS_TO_NAUTICAL_MILES(widgets->distances[i]);
+      }
+      break;
+    default:
+      // Metres - but want in kms
+      for ( i = 0; i < widgets->profile_width; i++ ) {
+        widgets->distances[i] = widgets->distances[i]/1000.0;
+      }
+      break;
   }
 
-  window = gtk_widget_get_toplevel (widgets->dist_box);
+  widgets->duration = vik_track_get_duration ( widgets->tr );
+  // Negative time or other problem
+  if ( widgets->duration <= 0 )
+    return;
 
-  pix = gdk_pixmap_new( window->window, widgets->profile_width + MARGIN, widgets->profile_height, -1 );
+  GtkWidget *window = gtk_widget_get_toplevel (widgets->dist_box);
+  GdkPixmap *pix = gdk_pixmap_new( gtk_widget_get_window(window), widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y, -1 );
 
   gtk_image_set_from_pixmap ( GTK_IMAGE(image), pix, NULL );
 
   // easy to work out min / max of distance!
   // Assign locally
   // mind = 0.0; - Thus not used
-  if ( dist_units == VIK_UNITS_DISTANCE_MILES )
+  gdouble maxd;
+  switch ( dist_units ) {
+  case VIK_UNITS_DISTANCE_MILES:
     maxd = VIK_METERS_TO_MILES(vik_track_get_length_including_gaps (tr));
-  else
+    break;
+  case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
+    maxd = VIK_METERS_TO_NAUTICAL_MILES(vik_track_get_length_including_gaps (tr));
+    break;
+  default:
     maxd = vik_track_get_length_including_gaps (tr) / 1000.0;
+    break;
+  }
 
   /* Find suitable chunk index */
   gdouble dummy = 0.0; // expect this to remain the same! (not that it's used)
-  get_new_min_and_chunk_index (0, maxd, chunksd, sizeof(chunksd)/sizeof(chunksd[0]), &dummy, &widgets->cid);
+  get_new_min_and_chunk_index (0, maxd, chunksd, G_N_ELEMENTS(chunksd), &dummy, &widgets->cid);
 
-  /* clear the image */
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->bg_gc[0],
-                    TRUE, 0, 0, MARGIN, widgets->profile_height);
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->mid_gc[0],
-                    TRUE, MARGIN, 0, widgets->profile_width, widgets->profile_height);
+  // Reset before redrawing
+  clear_images (pix, window, widgets);
 
   /* draw grid */
   for (i=0; i<=LINES; i++) {
-    PangoFontDescription *pfd;
-    PangoLayout *pl = gtk_widget_create_pango_layout (GTK_WIDGET(image), NULL);
     gchar s[32];
-    int w, h;
 
-    pango_layout_set_alignment (pl, PANGO_ALIGN_RIGHT);
-    pfd = pango_font_description_from_string (PROPWIN_LABEL_FONT);
-    pango_layout_set_font_description (pl, pfd);
-    pango_font_description_free (pfd);
-    if ( dist_units == VIK_UNITS_DISTANCE_MILES )
+    switch ( dist_units ) {
+    case VIK_UNITS_DISTANCE_MILES:
       sprintf(s, _("%.1f miles"), ((LINES-i)*chunksd[widgets->cid]));
-    else
+      break;
+    case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
+      sprintf(s, _("%.1f NM"), ((LINES-i)*chunksd[widgets->cid]));
+      break;
+    default:
       sprintf(s, _("%.1f km"), ((LINES-i)*chunksd[widgets->cid]));
+      break;
+    }
 
-    pango_layout_set_text(pl, s, -1);
-    pango_layout_get_pixel_size (pl, &w, &h);
-    gdk_draw_layout(GDK_DRAWABLE(pix), window->style->fg_gc[0], MARGIN-w-3,
-                   CLAMP((int)i*widgets->profile_height/LINES - h/2, 0, widgets->profile_height-h), pl);
-
-    gdk_draw_line (GDK_DRAWABLE(pix), window->style->dark_gc[0],
-                  MARGIN, widgets->profile_height/LINES * i, MARGIN + widgets->profile_width, widgets->profile_height/LINES * i);
-    g_object_unref ( G_OBJECT ( pl ) );
-    pl = NULL;
+    draw_grid_y ( window, image, widgets, pix, s, i );
   }
   
+  draw_time_lines ( window, image, pix, widgets );
+
   /* draw distance */
+  guint height = widgets->profile_height + MARGIN_Y;
   for ( i = 0; i < widgets->profile_width; i++ )
-      gdk_draw_line ( GDK_DRAWABLE(pix), window->style->dark_gc[3],
-                     i + MARGIN, widgets->profile_height, i + MARGIN, widgets->profile_height-widgets->profile_height*(widgets->distances[i])/(chunksd[widgets->cid]*LINES) );
+    gdk_draw_line ( GDK_DRAWABLE(pix), gtk_widget_get_style(window)->dark_gc[3],
+                    i + MARGIN_X, height, i + MARGIN_X, height - widgets->profile_height*(widgets->distances[i])/(chunksd[widgets->cid]*LINES) );
 
   // Show speed indicator
   if ( gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widgets->w_show_dist_speed)) ) {
-    GdkGC *dist_speed_gc = gdk_gc_new ( window->window );
+    GdkGC *dist_speed_gc = gdk_gc_new ( gtk_widget_get_window(window) );
     GdkColor color;
     gdk_color_parse ( "red", &color );
     gdk_gc_set_rgb_fg_color ( dist_speed_gc, &color);
@@ -1796,16 +1999,15 @@ static void draw_dt ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets )
     max_speed = widgets->max_speed * 110 / 100;
 
     // This is just an indicator - no actual values can be inferred by user
-    gint i;
     for ( i = 0; i < widgets->profile_width; i++ ) {
       int y_speed = widgets->profile_height - (widgets->profile_height * widgets->speeds[i])/max_speed;
-      gdk_draw_rectangle(GDK_DRAWABLE(pix), dist_speed_gc, TRUE, i+MARGIN-2, y_speed-2, 4, 4);
+      gdk_draw_rectangle(GDK_DRAWABLE(pix), dist_speed_gc, TRUE, i+MARGIN_X-2, y_speed-2, 4, 4);
     }
     g_object_unref ( G_OBJECT(dist_speed_gc) );
   }
 
   /* draw border */
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->black_gc, FALSE, MARGIN, 0, widgets->profile_width-1, widgets->profile_height-1);
+  gdk_draw_rectangle(GDK_DRAWABLE(pix), gtk_widget_get_style(window)->black_gc, FALSE, MARGIN_X, MARGIN_Y, widgets->profile_width-1, widgets->profile_height-1);
 
   g_object_unref ( G_OBJECT(pix) );
 
@@ -1816,9 +2018,6 @@ static void draw_dt ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets )
  */
 static void draw_et ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets )
 {
-  GtkWidget *window;
-  GdkPixmap *pix;
-  gdouble mina;
   guint i;
 
   // Free previous allocation
@@ -1842,34 +2041,28 @@ static void draw_et ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets )
 
   minmax_array(widgets->ats, &widgets->min_altitude, &widgets->max_altitude, TRUE, widgets->profile_width);
 
-  get_new_min_and_chunk_index_altitude (widgets->min_altitude, widgets->max_altitude, &widgets->draw_min_altitude_time, &widgets->ciat);
+  get_new_min_and_chunk_index (widgets->min_altitude, widgets->max_altitude, chunksa, G_N_ELEMENTS(chunksa), &widgets->draw_min_altitude_time, &widgets->ciat);
 
   // Assign locally
-  mina = widgets->draw_min_altitude_time;
+  gdouble mina = widgets->draw_min_altitude_time;
 
-  window = gtk_widget_get_toplevel (widgets->elev_time_box);
+  widgets->duration = vik_track_get_duration ( widgets->tr );
+  // Negative time or other problem
+  if ( widgets->duration <= 0 )
+    return;
 
-  pix = gdk_pixmap_new( window->window, widgets->profile_width + MARGIN, widgets->profile_height, -1 );
+  GtkWidget *window = gtk_widget_get_toplevel (widgets->elev_time_box);
+  GdkPixmap *pix = gdk_pixmap_new( gtk_widget_get_window(window), widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y, -1 );
 
   gtk_image_set_from_pixmap ( GTK_IMAGE(image), pix, NULL );
 
-  /* clear the image */
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->bg_gc[0],
-                    TRUE, 0, 0, MARGIN, widgets->profile_height);
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->mid_gc[0],
-                    TRUE, MARGIN, 0, widgets->profile_width, widgets->profile_height);
+  // Reset before redrawing
+  clear_images (pix, window, widgets);
 
   /* draw grid */
   for (i=0; i<=LINES; i++) {
-    PangoFontDescription *pfd;
-    PangoLayout *pl = gtk_widget_create_pango_layout (GTK_WIDGET(image), NULL);
     gchar s[32];
-    int w, h;
 
-    pango_layout_set_alignment (pl, PANGO_ALIGN_RIGHT);
-    pfd = pango_font_description_from_string (PROPWIN_LABEL_FONT);
-    pango_layout_set_font_description (pl, pfd);
-    pango_font_description_free (pfd);
     switch (height_units) {
     case VIK_UNITS_HEIGHT_METRES:
       sprintf(s, "%8dm", (int)(mina + (LINES-i)*chunksa[widgets->ciat]));
@@ -1882,46 +2075,71 @@ static void draw_et ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets )
       sprintf(s, "--");
       g_critical("Houston, we've had a problem. height=%d", height_units);
     }
-    pango_layout_set_text(pl, s, -1);
-    pango_layout_get_pixel_size (pl, &w, &h);
-    gdk_draw_layout(GDK_DRAWABLE(pix), window->style->fg_gc[0], MARGIN-w-3,
-                   CLAMP((int)i*widgets->profile_height/LINES - h/2, 0, widgets->profile_height-h), pl);
 
-    gdk_draw_line (GDK_DRAWABLE(pix), window->style->dark_gc[0],
-                  MARGIN, widgets->profile_height/LINES * i, MARGIN + widgets->profile_width, widgets->profile_height/LINES * i);
-    g_object_unref ( G_OBJECT ( pl ) );
-    pl = NULL;
+    draw_grid_y ( window, image, widgets, pix, s, i );
   }
 
+  draw_time_lines ( window, image, pix, widgets );
+
   /* draw elevations */
+  guint height = widgets->profile_height + MARGIN_Y;
   for ( i = 0; i < widgets->profile_width; i++ )
-      gdk_draw_line ( GDK_DRAWABLE(pix), window->style->dark_gc[3],
-                     i + MARGIN, widgets->profile_height, i + MARGIN, widgets->profile_height-widgets->profile_height*(widgets->ats[i]-mina)/(chunksa[widgets->ciat]*LINES) );
+    gdk_draw_line ( GDK_DRAWABLE(pix), gtk_widget_get_style(window)->dark_gc[3],
+                    i + MARGIN_X, height, i + MARGIN_X, height-widgets->profile_height*(widgets->ats[i]-mina)/(chunksa[widgets->ciat]*LINES) );
 
-  // Show speed indicator
+  // Show DEMS
+  if ( gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widgets->w_show_elev_dem)) )  {
+    GdkColor color;
+    GdkGC *dem_alt_gc = gdk_gc_new ( gtk_widget_get_window(window) );
+    gdk_color_parse ( "green", &color );
+    gdk_gc_set_rgb_fg_color ( dem_alt_gc, &color);
+
+    gint h2 = widgets->profile_height + MARGIN_Y; // Adjust height for x axis labelling offset
+    gint achunk = chunksa[widgets->ciat]*LINES;
+
+    for ( i = 0; i < widgets->profile_width; i++ ) {
+      // This could be slow doing this each time...
+      VikTrackpoint *tp = vik_track_get_closest_tp_by_percentage_time ( widgets->tr, ((gdouble)i/(gdouble)widgets->profile_width), NULL );
+      if ( tp ) {
+        gint16 elev = a_dems_get_elev_by_coord(&(tp->coord), VIK_DEM_INTERPOL_SIMPLE);
+        elev -= mina; //?
+        if ( elev != VIK_DEM_INVALID_ELEVATION ) {
+          // Convert into height units
+          if ( a_vik_get_units_height () == VIK_UNITS_HEIGHT_FEET )
+            elev = VIK_METERS_TO_FEET(elev);
+          // No conversion needed if already in metres
+
+          // consider chunk size
+          int y_alt = h2 - ((widgets->profile_height * elev)/achunk );
+          gdk_draw_rectangle(GDK_DRAWABLE(pix), dem_alt_gc, TRUE, i+MARGIN_X-2, y_alt-2, 4, 4);
+        }
+      }
+    }
+    g_object_unref ( G_OBJECT(dem_alt_gc) );
+  }
+
+  // Show speeds
   if ( gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widgets->w_show_elev_speed)) ) {
-    GdkGC *elev_speed_gc = gdk_gc_new ( window->window );
     GdkColor color;
+    // This is just an indicator - no actual values can be inferred by user
+    GdkGC *elev_speed_gc = gdk_gc_new ( gtk_widget_get_window(window) );
     gdk_color_parse ( "red", &color );
     gdk_gc_set_rgb_fg_color ( elev_speed_gc, &color);
 
-    gdouble max_speed = 0;
-    max_speed = widgets->max_speed * 110 / 100;
+    gdouble max_speed = widgets->max_speed * 110 / 100;
 
-    // This is just an indicator - no actual values can be inferred by user
-    gint i;
     for ( i = 0; i < widgets->profile_width; i++ ) {
       int y_speed = widgets->profile_height - (widgets->profile_height * widgets->speeds[i])/max_speed;
-      gdk_draw_rectangle(GDK_DRAWABLE(pix), elev_speed_gc, TRUE, i+MARGIN-2, y_speed-2, 4, 4);
+      gdk_draw_rectangle(GDK_DRAWABLE(pix), elev_speed_gc, TRUE, i+MARGIN_X-2, y_speed-2, 4, 4);
     }
+
     g_object_unref ( G_OBJECT(elev_speed_gc) );
   }
 
   /* draw border */
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->black_gc, FALSE, MARGIN, 0, widgets->profile_width-1, widgets->profile_height-1);
+  gdk_draw_rectangle(GDK_DRAWABLE(pix), gtk_widget_get_style(window)->black_gc, FALSE, MARGIN_X, MARGIN_Y, widgets->profile_width-1, widgets->profile_height-1);
 
   g_object_unref ( G_OBJECT(pix) );
-
 }
 
 /**
@@ -1929,8 +2147,6 @@ static void draw_et ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets )
  */
 static void draw_sd ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets)
 {
-  GtkWidget *window;
-  GdkPixmap *pix;
   gdouble mins;
   guint i;
 
@@ -1966,9 +2182,8 @@ static void draw_sd ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets)
     break;
   }
 
-  window = gtk_widget_get_toplevel (widgets->speed_dist_box);
-
-  pix = gdk_pixmap_new( window->window, widgets->profile_width + MARGIN, widgets->profile_height, -1 );
+  GtkWidget *window = gtk_widget_get_toplevel (widgets->speed_dist_box);
+  GdkPixmap *pix = gdk_pixmap_new( gtk_widget_get_window(window), widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y, -1 );
 
   gtk_image_set_from_pixmap ( GTK_IMAGE(image), pix, NULL );
 
@@ -1978,28 +2193,18 @@ static void draw_sd ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets)
     widgets->min_speed = 0; /* splines sometimes give negative speeds */
 
   /* Find suitable chunk index */
-  get_new_min_and_chunk_index (widgets->min_speed, widgets->max_speed_dist, chunkss, sizeof(chunkss)/sizeof(chunkss[0]), &widgets->draw_min_speed, &widgets->cisd);
+  get_new_min_and_chunk_index (widgets->min_speed, widgets->max_speed_dist, chunkss, G_N_ELEMENTS(chunkss), &widgets->draw_min_speed, &widgets->cisd);
 
   // Assign locally
   mins = widgets->draw_min_speed;
   
-  /* clear the image */
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->bg_gc[0],
-                    TRUE, 0, 0, MARGIN, widgets->profile_height);
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->mid_gc[0],
-                    TRUE, MARGIN, 0, widgets->profile_width, widgets->profile_height);
+  // Reset before redrawing
+  clear_images (pix, window, widgets);
 
   /* draw grid */
   for (i=0; i<=LINES; i++) {
-    PangoFontDescription *pfd;
-    PangoLayout *pl = gtk_widget_create_pango_layout (GTK_WIDGET(image), NULL);
     gchar s[32];
-    int w, h;
 
-    pango_layout_set_alignment (pl, PANGO_ALIGN_RIGHT);
-    pfd = pango_font_description_from_string (PROPWIN_LABEL_FONT);
-    pango_layout_set_font_description (pl, pfd);
-    pango_font_description_free (pfd);
     // NB: No need to convert here anymore as numbers are in the appropriate units
     switch (speed_units) {
     case VIK_UNITS_SPEED_KILOMETRES_PER_HOUR:
@@ -2019,27 +2224,21 @@ static void draw_sd ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets)
       g_critical("Houston, we've had a problem. speed=%d", speed_units);
     }
 
-    pango_layout_set_text(pl, s, -1);
-    pango_layout_get_pixel_size (pl, &w, &h);
-    gdk_draw_layout(GDK_DRAWABLE(pix), window->style->fg_gc[0], MARGIN-w-3,
-                   CLAMP((int)i*widgets->profile_height/LINES - h/2, 0, widgets->profile_height-h), pl);
-
-    gdk_draw_line (GDK_DRAWABLE(pix), window->style->dark_gc[0],
-                  MARGIN, widgets->profile_height/LINES * i, MARGIN + widgets->profile_width, widgets->profile_height/LINES * i);
-    g_object_unref ( G_OBJECT ( pl ) );
-    pl = NULL;
+    draw_grid_y ( window, image, widgets, pix, s, i );
   }
-  
+
+  draw_distance_divisions ( window, image, pix, widgets, a_vik_get_units_distance() );
 
   /* draw speeds */
+  guint height = widgets->profile_height + MARGIN_Y;
   for ( i = 0; i < widgets->profile_width; i++ )
-      gdk_draw_line ( GDK_DRAWABLE(pix), window->style->dark_gc[3],
-                     i + MARGIN, widgets->profile_height, i + MARGIN, widgets->profile_height-widgets->profile_height*(widgets->speeds_dist[i]-mins)/(chunkss[widgets->cisd]*LINES) );
+    gdk_draw_line ( GDK_DRAWABLE(pix), gtk_widget_get_style(window)->dark_gc[3],
+                    i + MARGIN_X, height, i + MARGIN_X, height - widgets->profile_height*(widgets->speeds_dist[i]-mins)/(chunkss[widgets->cisd]*LINES) );
 
 
   if ( gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widgets->w_show_sd_gps_speed)) ) {
 
-    GdkGC *gps_speed_gc = gdk_gc_new ( window->window );
+    GdkGC *gps_speed_gc = gdk_gc_new ( gtk_widget_get_window(window) );
     GdkColor color;
     gdk_color_parse ( "red", &color );
     gdk_gc_set_rgb_fg_color ( gps_speed_gc, &color);
@@ -2068,15 +2267,15 @@ static void draw_sd ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets)
        break;
       }
       dist_tp += vik_coord_diff ( &(VIK_TRACKPOINT(iter->data)->coord), &(VIK_TRACKPOINT(iter->prev->data)->coord) );
-      int x = MARGIN + (widgets->profile_width * dist_tp / dist);
-      int y = widgets->profile_height - widgets->profile_height*(gps_speed - mins)/(chunkss[widgets->cisd]*LINES);
+      int x = MARGIN_X + (widgets->profile_width * dist_tp / dist);
+      int y = height - widgets->profile_height*(gps_speed - mins)/(chunkss[widgets->cisd]*LINES);
       gdk_draw_rectangle(GDK_DRAWABLE(pix), gps_speed_gc, TRUE, x-2, y-2, 4, 4);
     }
     g_object_unref ( G_OBJECT(gps_speed_gc) );
   }
 
   /* draw border */
-  gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->black_gc, FALSE, MARGIN, 0, widgets->profile_width-1, widgets->profile_height-1);
+  gdk_draw_rectangle(GDK_DRAWABLE(pix), gtk_widget_get_style(window)->black_gc, FALSE, MARGIN_X, MARGIN_Y, widgets->profile_width-1, widgets->profile_height-1);
 
   g_object_unref ( G_OBJECT(pix) );
 }
@@ -2085,11 +2284,8 @@ static void draw_sd ( GtkWidget *image, VikTrack *tr, PropWidgets *widgets)
 /**
  * Draw all graphs
  */
-static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean resized )
+static void draw_all_graphs ( GtkWidget *widget, PropWidgets *widgets, gboolean resized )
 {
-  VikTrack *tr = pass_along[0];
-  PropWidgets *widgets = pass_along[3];
-
   // Draw graphs even if they are not visible
 
   GList *child = NULL;
@@ -2109,7 +2305,7 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
     }
 
     child = gtk_container_get_children(GTK_CONTAINER(widgets->elev_box));
-    draw_elevations (GTK_WIDGET(child->data), tr, widgets );
+    draw_elevations (GTK_WIDGET(child->data), widgets->tr, widgets );
 
     image = GTK_WIDGET(child->data);
     g_list_free(child);
@@ -2117,11 +2313,11 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
     // Ensure marker or blob are redrawn if necessary
     if (widgets->is_marker_drawn || widgets->is_blob_drawn) {
 
-      pc = tp_percentage_by_distance ( tr, widgets->marker_tp, widgets->track_length_inc_gaps );
-      gdouble x_blob = -MARGIN - 1.0; // i.e. Don't draw unless we get a valid value
+      pc = tp_percentage_by_distance ( widgets->tr, widgets->marker_tp, widgets->track_length_inc_gaps );
+      gdouble x_blob = -MARGIN_X - 1.0; // i.e. Don't draw unless we get a valid value
       gint y_blob = 0;
       if (widgets->is_blob_drawn) {
-       pc_blob = tp_percentage_by_distance ( tr, widgets->blob_tp, widgets->track_length_inc_gaps );
+       pc_blob = tp_percentage_by_distance ( widgets->tr, widgets->blob_tp, widgets->track_length_inc_gaps );
        if (!isnan(pc_blob)) {
          x_blob = (pc_blob * widgets->profile_width);
        }
@@ -2130,14 +2326,14 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
 
       gdouble marker_x = -1.0; // i.e. Don't draw unless we get a valid value
       if (!isnan(pc)) {
-       marker_x = (pc * widgets->profile_width) + MARGIN;
+        marker_x = (pc * widgets->profile_width) + MARGIN_X;
       }
 
       save_image_and_draw_graph_marks (image,
                                       marker_x,
-                                      window->style->black_gc,
-                                      x_blob+MARGIN,
-                                      y_blob,
+                                      gtk_widget_get_style(window)->black_gc,
+                                      x_blob+MARGIN_X,
+                                      y_blob+MARGIN_Y,
                                       &widgets->elev_graph_saved_img,
                                       widgets->profile_width,
                                       widgets->profile_height,
@@ -2157,7 +2353,7 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
     }
 
     child = gtk_container_get_children(GTK_CONTAINER(widgets->gradient_box));
-    draw_gradients (GTK_WIDGET(child->data), tr, widgets );
+    draw_gradients (GTK_WIDGET(child->data), widgets->tr, widgets );
 
     image = GTK_WIDGET(child->data);
     g_list_free(child);
@@ -2165,11 +2361,11 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
     // Ensure marker or blob are redrawn if necessary
     if (widgets->is_marker_drawn || widgets->is_blob_drawn) {
 
-      pc = tp_percentage_by_distance ( tr, widgets->marker_tp, widgets->track_length_inc_gaps );
-      gdouble x_blob = -MARGIN - 1.0; // i.e. Don't draw unless we get a valid value
+      pc = tp_percentage_by_distance ( widgets->tr, widgets->marker_tp, widgets->track_length_inc_gaps );
+      gdouble x_blob = -MARGIN_X - 1.0; // i.e. Don't draw unless we get a valid value
       gint y_blob = 0;
       if (widgets->is_blob_drawn) {
-       pc_blob = tp_percentage_by_distance ( tr, widgets->blob_tp, widgets->track_length_inc_gaps );
+       pc_blob = tp_percentage_by_distance ( widgets->tr, widgets->blob_tp, widgets->track_length_inc_gaps );
        if (!isnan(pc_blob)) {
          x_blob = (pc_blob * widgets->profile_width);
        }
@@ -2178,14 +2374,14 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
 
       gdouble marker_x = -1.0; // i.e. Don't draw unless we get a valid value
       if (!isnan(pc)) {
-       marker_x = (pc * widgets->profile_width) + MARGIN;
+        marker_x = (pc * widgets->profile_width) + MARGIN_X;
       }
 
       save_image_and_draw_graph_marks (image,
                                       marker_x,
-                                      window->style->black_gc,
-                                      x_blob+MARGIN,
-                                      y_blob,
+                                      gtk_widget_get_style(window)->black_gc,
+                                      x_blob+MARGIN_X,
+                                      y_blob+MARGIN_Y,
                                       &widgets->gradient_graph_saved_img,
                                       widgets->profile_width,
                                       widgets->profile_height,
@@ -2205,7 +2401,7 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
     }
 
     child = gtk_container_get_children(GTK_CONTAINER(widgets->speed_box));
-    draw_vt (GTK_WIDGET(child->data), tr, widgets );
+    draw_vt (GTK_WIDGET(child->data), widgets->tr, widgets );
 
     image = GTK_WIDGET(child->data);
     g_list_free(child);
@@ -2213,12 +2409,12 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
     // Ensure marker or blob are redrawn if necessary
     if (widgets->is_marker_drawn || widgets->is_blob_drawn) {
 
-      pc = tp_percentage_by_time ( tr, widgets->marker_tp );
+      pc = tp_percentage_by_time ( widgets->tr, widgets->marker_tp );
 
-      gdouble x_blob = -MARGIN - 1.0; // i.e. Don't draw unless we get a valid value
+      gdouble x_blob = -MARGIN_X - 1.0; // i.e. Don't draw unless we get a valid value
       gint    y_blob = 0;
       if (widgets->is_blob_drawn) {
-       pc_blob = tp_percentage_by_time ( tr, widgets->blob_tp );
+       pc_blob = tp_percentage_by_time ( widgets->tr, widgets->blob_tp );
        if (!isnan(pc_blob)) {
          x_blob = (pc_blob * widgets->profile_width);
        }
@@ -2228,14 +2424,14 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
 
       gdouble marker_x = -1.0; // i.e. Don't draw unless we get a valid value
       if (!isnan(pc)) {
-       marker_x = (pc * widgets->profile_width) + MARGIN;
+        marker_x = (pc * widgets->profile_width) + MARGIN_X;
       }
 
       save_image_and_draw_graph_marks (image,
                                       marker_x,
-                                      window->style->black_gc,
-                                      x_blob+MARGIN,
-                                      y_blob,
+                                      gtk_widget_get_style(window)->black_gc,
+                                      x_blob+MARGIN_X,
+                                      y_blob+MARGIN_Y,
                                       &widgets->speed_graph_saved_img,
                                       widgets->profile_width,
                                       widgets->profile_height,
@@ -2255,7 +2451,7 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
     }
 
     child = gtk_container_get_children(GTK_CONTAINER(widgets->dist_box));
-    draw_dt (GTK_WIDGET(child->data), tr, widgets );
+    draw_dt (GTK_WIDGET(child->data), widgets->tr, widgets );
 
     image = GTK_WIDGET(child->data);
     g_list_free(child);
@@ -2263,12 +2459,12 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
     // Ensure marker or blob are redrawn if necessary
     if (widgets->is_marker_drawn || widgets->is_blob_drawn) {
 
-      pc = tp_percentage_by_time ( tr, widgets->marker_tp );
+      pc = tp_percentage_by_time ( widgets->tr, widgets->marker_tp );
 
-      gdouble x_blob = -MARGIN - 1.0; // i.e. Don't draw unless we get a valid value
+      gdouble x_blob = -MARGIN_X - 1.0; // i.e. Don't draw unless we get a valid value
       gint    y_blob = 0;
       if (widgets->is_blob_drawn) {
-       pc_blob = tp_percentage_by_time ( tr, widgets->blob_tp );
+       pc_blob = tp_percentage_by_time ( widgets->tr, widgets->blob_tp );
        if (!isnan(pc_blob)) {
          x_blob = (pc_blob * widgets->profile_width);
        }
@@ -2278,14 +2474,14 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
 
       gdouble marker_x = -1.0; // i.e. Don't draw unless we get a valid value
       if (!isnan(pc)) {
-       marker_x = (pc * widgets->profile_width) + MARGIN;
+        marker_x = (pc * widgets->profile_width) + MARGIN_X;
       }
 
       save_image_and_draw_graph_marks (image,
                                       marker_x,
-                                      window->style->black_gc,
-                                      x_blob+MARGIN,
-                                      y_blob,
+                                      gtk_widget_get_style(window)->black_gc,
+                                      x_blob+MARGIN_X,
+                                      y_blob+MARGIN_Y,
                                       &widgets->dist_graph_saved_img,
                                       widgets->profile_width,
                                       widgets->profile_height,
@@ -2305,7 +2501,7 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
     }
 
     child = gtk_container_get_children(GTK_CONTAINER(widgets->elev_time_box));
-    draw_et (GTK_WIDGET(child->data), tr, widgets );
+    draw_et (GTK_WIDGET(child->data), widgets->tr, widgets );
 
     image = GTK_WIDGET(child->data);
     g_list_free(child);
@@ -2313,12 +2509,12 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
     // Ensure marker or blob are redrawn if necessary
     if (widgets->is_marker_drawn || widgets->is_blob_drawn) {
 
-      pc = tp_percentage_by_time ( tr, widgets->marker_tp );
+      pc = tp_percentage_by_time ( widgets->tr, widgets->marker_tp );
 
-      gdouble x_blob = -MARGIN - 1.0; // i.e. Don't draw unless we get a valid value
+      gdouble x_blob = -MARGIN_X - 1.0; // i.e. Don't draw unless we get a valid value
       gint    y_blob = 0;
       if (widgets->is_blob_drawn) {
-       pc_blob = tp_percentage_by_time ( tr, widgets->blob_tp );
+       pc_blob = tp_percentage_by_time ( widgets->tr, widgets->blob_tp );
        if (!isnan(pc_blob)) {
          x_blob = (pc_blob * widgets->profile_width);
        }
@@ -2327,14 +2523,14 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
 
       gdouble marker_x = -1.0; // i.e. Don't draw unless we get a valid value
       if (!isnan(pc)) {
-       marker_x = (pc * widgets->profile_width) + MARGIN;
+        marker_x = (pc * widgets->profile_width) + MARGIN_X;
       }
 
       save_image_and_draw_graph_marks (image,
                                       marker_x,
-                                      window->style->black_gc,
-                                      x_blob+MARGIN,
-                                      y_blob,
+                                      gtk_widget_get_style(window)->black_gc,
+                                      x_blob+MARGIN_X,
+                                      y_blob+MARGIN_Y,
                                       &widgets->elev_time_graph_saved_img,
                                       widgets->profile_width,
                                       widgets->profile_height,
@@ -2354,7 +2550,7 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
     }
 
     child = gtk_container_get_children(GTK_CONTAINER(widgets->speed_dist_box));
-    draw_sd (GTK_WIDGET(child->data), tr, widgets );
+    draw_sd (GTK_WIDGET(child->data), widgets->tr, widgets );
 
     image = GTK_WIDGET(child->data);
     g_list_free(child);
@@ -2362,11 +2558,11 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
     // Ensure marker or blob are redrawn if necessary
     if (widgets->is_marker_drawn || widgets->is_blob_drawn) {
 
-      pc = tp_percentage_by_distance ( tr, widgets->marker_tp, widgets->track_length_inc_gaps );
-      gdouble x_blob = -MARGIN - 1.0; // i.e. Don't draw unless we get a valid value
+      pc = tp_percentage_by_distance ( widgets->tr, widgets->marker_tp, widgets->track_length_inc_gaps );
+      gdouble x_blob = -MARGIN_X - 1.0; // i.e. Don't draw unless we get a valid value
       gint y_blob = 0;
       if (widgets->is_blob_drawn) {
-       pc_blob = tp_percentage_by_distance ( tr, widgets->blob_tp, widgets->track_length_inc_gaps );
+       pc_blob = tp_percentage_by_distance ( widgets->tr, widgets->blob_tp, widgets->track_length_inc_gaps );
        if (!isnan(pc_blob)) {
          x_blob = (pc_blob * widgets->profile_width);
        }
@@ -2375,14 +2571,14 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
 
       gdouble marker_x = -1.0; // i.e. Don't draw unless we get a valid value
       if (!isnan(pc)) {
-       marker_x = (pc * widgets->profile_width) + MARGIN;
+        marker_x = (pc * widgets->profile_width) + MARGIN_X;
       }
 
       save_image_and_draw_graph_marks (image,
                                       marker_x,
-                                      window->style->black_gc,
-                                      x_blob+MARGIN,
-                                      y_blob,
+                                      gtk_widget_get_style(window)->black_gc,
+                                      x_blob+MARGIN_X,
+                                      y_blob+MARGIN_Y,
                                       &widgets->speed_dist_graph_saved_img,
                                       widgets->profile_width,
                                       widgets->profile_height,
@@ -2396,10 +2592,8 @@ static void draw_all_graphs ( GtkWidget *widget, gpointer *pass_along, gboolean
 /**
  * Configure/Resize the profile & speed/time images
  */
-static gboolean configure_event ( GtkWidget *widget, GdkEventConfigure *event, gpointer *pass_along )
+static gboolean configure_event ( GtkWidget *widget, GdkEventConfigure *event, PropWidgets *widgets )
 {
-  PropWidgets *widgets = pass_along[3];
-
   if (widgets->configure_dialog) {
     // Determine size offsets between dialog size and size for images
     // Only on the initialisation of the dialog
@@ -2408,8 +2602,11 @@ static gboolean configure_event ( GtkWidget *widget, GdkEventConfigure *event, g
     widgets->configure_dialog = FALSE;
 
     // Without this the settting, the dialog will only grow in vertical size - one can not then make it smaller!
-    gtk_widget_set_size_request ( widget, widgets->profile_width+widgets->profile_width_offset, widgets->profile_height );
-    // In fact this allows one to compress it a bit more vertically as I don't add on the height offset
+    gtk_widget_set_size_request ( widget, widgets->profile_width+widgets->profile_width_offset, widgets->profile_height+widgets->profile_height_offset );
+
+    // Allow resizing back down to a minimal size (especially useful if the initial size has been made bigger after restoring from the saved settings)
+    GdkGeometry geom = { 600+widgets->profile_width_offset, 300+widgets->profile_height_offset, 0, 0, 0, 0, 0, 0, 0, 0, GDK_GRAVITY_STATIC };
+    gdk_window_set_geometry_hints ( gtk_widget_get_window(widget), &geom, GDK_HINT_MIN_SIZE );
   }
   else {
     widgets->profile_width_old = widgets->profile_width;
@@ -2426,7 +2623,7 @@ static gboolean configure_event ( GtkWidget *widget, GdkEventConfigure *event, g
     return FALSE;
 
   // Draw stuff
-  draw_all_graphs ( widget, pass_along, TRUE );
+  draw_all_graphs ( widget, widgets, TRUE );
 
   return FALSE;
 }
@@ -2434,15 +2631,14 @@ static gboolean configure_event ( GtkWidget *widget, GdkEventConfigure *event, g
 /**
  * Create height profile widgets including the image and callbacks
  */
-GtkWidget *vik_trw_layer_create_profile ( GtkWidget *window, VikTrack *tr, gpointer vlp, VikViewport *vvp, PropWidgets *widgets, gdouble *min_alt, gdouble *max_alt)
+GtkWidget *vik_trw_layer_create_profile ( GtkWidget *window, PropWidgets *widgets, gdouble *min_alt, gdouble *max_alt)
 {
   GdkPixmap *pix;
   GtkWidget *image;
   GtkWidget *eventbox;
-  gpointer *pass_along;
 
   // First allocation
-  widgets->altitudes = vik_track_make_elevation_map ( tr, widgets->profile_width );
+  widgets->altitudes = vik_track_make_elevation_map ( widgets->tr, widgets->profile_width );
 
   if ( widgets->altitudes == NULL ) {
     *min_alt = *max_alt = VIK_DEFAULT_ALTITUDE;
@@ -2451,21 +2647,14 @@ GtkWidget *vik_trw_layer_create_profile ( GtkWidget *window, VikTrack *tr, gpoin
 
   minmax_array(widgets->altitudes, min_alt, max_alt, TRUE, widgets->profile_width);
   
-  pix = gdk_pixmap_new( window->window, widgets->profile_width + MARGIN, widgets->profile_height, -1 );
+  pix = gdk_pixmap_new( gtk_widget_get_window(window), widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y, -1 );
   image = gtk_image_new_from_pixmap ( pix, NULL );
 
   g_object_unref ( G_OBJECT(pix) );
 
-  pass_along = g_malloc ( sizeof(gpointer) * 4 ); /* FIXME: mem leak -- never be freed */
-  pass_along[0] = tr;
-  pass_along[1] = vlp;
-  pass_along[2] = vvp;
-  pass_along[3] = widgets;
-
   eventbox = gtk_event_box_new ();
-  g_signal_connect ( G_OBJECT(eventbox), "button_press_event", G_CALLBACK(track_profile_click), pass_along );
-  g_signal_connect ( G_OBJECT(eventbox), "motion_notify_event", G_CALLBACK(track_profile_move), pass_along );
-  g_signal_connect_swapped ( G_OBJECT(eventbox), "destroy", G_CALLBACK(g_free), pass_along );
+  g_signal_connect ( G_OBJECT(eventbox), "button_press_event", G_CALLBACK(track_profile_click), widgets );
+  g_signal_connect ( G_OBJECT(eventbox), "motion_notify_event", G_CALLBACK(track_profile_move), widgets );
   gtk_container_add ( GTK_CONTAINER(eventbox), image );
   gtk_widget_set_events (eventbox, GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_STRUCTURE_MASK);
 
@@ -2475,35 +2664,27 @@ GtkWidget *vik_trw_layer_create_profile ( GtkWidget *window, VikTrack *tr, gpoin
 /**
  * Create height profile widgets including the image and callbacks
  */
-GtkWidget *vik_trw_layer_create_gradient ( GtkWidget *window, VikTrack *tr, gpointer vlp, VikViewport *vvp, PropWidgets *widgets)
+GtkWidget *vik_trw_layer_create_gradient ( GtkWidget *window, PropWidgets *widgets)
 {
   GdkPixmap *pix;
   GtkWidget *image;
   GtkWidget *eventbox;
-  gpointer *pass_along;
 
   // First allocation
-  widgets->gradients = vik_track_make_gradient_map ( tr, widgets->profile_width );
+  widgets->gradients = vik_track_make_gradient_map ( widgets->tr, widgets->profile_width );
 
   if ( widgets->gradients == NULL ) {
     return NULL;
   }
 
-  pix = gdk_pixmap_new( window->window, widgets->profile_width + MARGIN, widgets->profile_height, -1 );
+  pix = gdk_pixmap_new( gtk_widget_get_window(window), widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y, -1 );
   image = gtk_image_new_from_pixmap ( pix, NULL );
 
   g_object_unref ( G_OBJECT(pix) );
 
-  pass_along = g_malloc ( sizeof(gpointer) * 4 ); /* FIXME: mem leak -- never be freed */
-  pass_along[0] = tr;
-  pass_along[1] = vlp;
-  pass_along[2] = vvp;
-  pass_along[3] = widgets;
-
   eventbox = gtk_event_box_new ();
-  g_signal_connect ( G_OBJECT(eventbox), "button_press_event", G_CALLBACK(track_gradient_click), pass_along );
-  g_signal_connect ( G_OBJECT(eventbox), "motion_notify_event", G_CALLBACK(track_gradient_move), pass_along );
-  g_signal_connect_swapped ( G_OBJECT(eventbox), "destroy", G_CALLBACK(g_free), pass_along );
+  g_signal_connect ( G_OBJECT(eventbox), "button_press_event", G_CALLBACK(track_gradient_click), widgets );
+  g_signal_connect ( G_OBJECT(eventbox), "motion_notify_event", G_CALLBACK(track_gradient_move), widgets );
   gtk_container_add ( GTK_CONTAINER(eventbox), image );
   gtk_widget_set_events (eventbox, GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_STRUCTURE_MASK);
 
@@ -2513,44 +2694,37 @@ GtkWidget *vik_trw_layer_create_gradient ( GtkWidget *window, VikTrack *tr, gpoi
 /**
  * Create speed/time widgets including the image and callbacks
  */
-GtkWidget *vik_trw_layer_create_vtdiag ( GtkWidget *window, VikTrack *tr, gpointer vlp, VikViewport *vvp, PropWidgets *widgets)
+GtkWidget *vik_trw_layer_create_vtdiag ( GtkWidget *window, PropWidgets *widgets)
 {
   GdkPixmap *pix;
   GtkWidget *image;
   GtkWidget *eventbox;
-  gpointer *pass_along;
 
   // First allocation
-  widgets->speeds = vik_track_make_speed_map ( tr, widgets->profile_width );
+  widgets->speeds = vik_track_make_speed_map ( widgets->tr, widgets->profile_width );
   if ( widgets->speeds == NULL )
     return NULL;
 
-  pass_along = g_malloc ( sizeof(gpointer) * 4 ); /* FIXME: mem leak -- never be freed */
-  pass_along[0] = tr;
-  pass_along[1] = vlp;
-  pass_along[2] = vvp;
-  pass_along[3] = widgets;
-
-  pix = gdk_pixmap_new( window->window, widgets->profile_width + MARGIN, widgets->profile_height, -1 );
+  pix = gdk_pixmap_new( gtk_widget_get_window(window), widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y, -1 );
   image = gtk_image_new_from_pixmap ( pix, NULL );
 
 #if 0
   /* XXX this can go out, it's just a helpful dev tool */
   {
     int j;
-    GdkGC **colors[8] = { window->style->bg_gc,
-                         window->style->fg_gc,
-                         window->style->light_gc,
-                         window->style->dark_gc,
-                         window->style->mid_gc,
-                         window->style->text_gc,
-                         window->style->base_gc,
-                         window->style->text_aa_gc };
+    GdkGC **colors[8] = { gtk_widget_get_style(window)->bg_gc,
+                         gtk_widget_get_style(window)->fg_gc,
+                         gtk_widget_get_style(window)->light_gc,
+                         gtk_widget_get_style(window)->dark_gc,
+                         gtk_widget_get_style(window)->mid_gc,
+                         gtk_widget_get_style(window)->text_gc,
+                         gtk_widget_get_style(window)->base_gc,
+                         gtk_widget_get_style(window)->text_aa_gc };
     for (i=0; i<5; i++) {
       for (j=0; j<8; j++) {
        gdk_draw_rectangle(GDK_DRAWABLE(pix), colors[j][i],
                           TRUE, i*20, j*20, 20, 20);
-       gdk_draw_rectangle(GDK_DRAWABLE(pix), window->style->black_gc,
+       gdk_draw_rectangle(GDK_DRAWABLE(pix), gtk_widget_get_style(window)->black_gc,
                           FALSE, i*20, j*20, 20, 20);
       }
     }
@@ -2560,9 +2734,8 @@ GtkWidget *vik_trw_layer_create_vtdiag ( GtkWidget *window, VikTrack *tr, gpoint
   g_object_unref ( G_OBJECT(pix) );
 
   eventbox = gtk_event_box_new ();
-  g_signal_connect ( G_OBJECT(eventbox), "button_press_event", G_CALLBACK(track_vt_click), pass_along );
-  g_signal_connect ( G_OBJECT(eventbox), "motion_notify_event", G_CALLBACK(track_vt_move), pass_along );
-  g_signal_connect_swapped ( G_OBJECT(eventbox), "destroy", G_CALLBACK(g_free), pass_along );
+  g_signal_connect ( G_OBJECT(eventbox), "button_press_event", G_CALLBACK(track_vt_click), widgets );
+  g_signal_connect ( G_OBJECT(eventbox), "motion_notify_event", G_CALLBACK(track_vt_move), widgets );
   gtk_container_add ( GTK_CONTAINER(eventbox), image );
   gtk_widget_set_events (eventbox, GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);
 
@@ -2572,33 +2745,26 @@ GtkWidget *vik_trw_layer_create_vtdiag ( GtkWidget *window, VikTrack *tr, gpoint
 /**
  * Create distance / time widgets including the image and callbacks
  */
-GtkWidget *vik_trw_layer_create_dtdiag ( GtkWidget *window, VikTrack *tr, gpointer vlp, VikViewport *vvp, PropWidgets *widgets)
+GtkWidget *vik_trw_layer_create_dtdiag ( GtkWidget *window, PropWidgets *widgets)
 {
   GdkPixmap *pix;
   GtkWidget *image;
   GtkWidget *eventbox;
-  gpointer *pass_along;
 
   // First allocation
-  widgets->distances = vik_track_make_distance_map ( tr, widgets->profile_width );
+  widgets->distances = vik_track_make_distance_map ( widgets->tr, widgets->profile_width );
   if ( widgets->distances == NULL )
     return NULL;
 
-  pass_along = g_malloc ( sizeof(gpointer) * 4 ); /* FIXME: mem leak -- never be freed */
-  pass_along[0] = tr;
-  pass_along[1] = vlp;
-  pass_along[2] = vvp;
-  pass_along[3] = widgets;
-
-  pix = gdk_pixmap_new( window->window, widgets->profile_width + MARGIN, widgets->profile_height, -1 );
+  pix = gdk_pixmap_new( gtk_widget_get_window(window), widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y, -1 );
   image = gtk_image_new_from_pixmap ( pix, NULL );
 
   g_object_unref ( G_OBJECT(pix) );
 
   eventbox = gtk_event_box_new ();
-  g_signal_connect ( G_OBJECT(eventbox), "button_press_event", G_CALLBACK(track_dt_click), pass_along );
-  g_signal_connect ( G_OBJECT(eventbox), "motion_notify_event", G_CALLBACK(track_dt_move), pass_along );
-  g_signal_connect_swapped ( G_OBJECT(eventbox), "destroy", G_CALLBACK(g_free), pass_along );
+  g_signal_connect ( G_OBJECT(eventbox), "button_press_event", G_CALLBACK(track_dt_click), widgets );
+  g_signal_connect ( G_OBJECT(eventbox), "motion_notify_event", G_CALLBACK(track_dt_move), widgets );
+  //g_signal_connect_swapped ( G_OBJECT(eventbox), "destroy", G_CALLBACK(g_free), widgets );
   gtk_container_add ( GTK_CONTAINER(eventbox), image );
   gtk_widget_set_events (eventbox, GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);
 
@@ -2608,33 +2774,25 @@ GtkWidget *vik_trw_layer_create_dtdiag ( GtkWidget *window, VikTrack *tr, gpoint
 /**
  * Create elevation / time widgets including the image and callbacks
  */
-GtkWidget *vik_trw_layer_create_etdiag ( GtkWidget *window, VikTrack *tr, gpointer vlp, VikViewport *vvp, PropWidgets *widgets)
+GtkWidget *vik_trw_layer_create_etdiag ( GtkWidget *window, PropWidgets *widgets)
 {
   GdkPixmap *pix;
   GtkWidget *image;
   GtkWidget *eventbox;
-  gpointer *pass_along;
 
   // First allocation
-  widgets->ats = vik_track_make_elevation_time_map ( tr, widgets->profile_width );
+  widgets->ats = vik_track_make_elevation_time_map ( widgets->tr, widgets->profile_width );
   if ( widgets->ats == NULL )
     return NULL;
 
-  pass_along = g_malloc ( sizeof(gpointer) * 4 ); /* FIXME: mem leak -- never be freed */
-  pass_along[0] = tr;
-  pass_along[1] = vlp;
-  pass_along[2] = vvp;
-  pass_along[3] = widgets;
-
-  pix = gdk_pixmap_new( window->window, widgets->profile_width + MARGIN, widgets->profile_height, -1 );
+  pix = gdk_pixmap_new( gtk_widget_get_window(window), widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y, -1 );
   image = gtk_image_new_from_pixmap ( pix, NULL );
 
   g_object_unref ( G_OBJECT(pix) );
 
   eventbox = gtk_event_box_new ();
-  g_signal_connect ( G_OBJECT(eventbox), "button_press_event", G_CALLBACK(track_et_click), pass_along );
-  g_signal_connect ( G_OBJECT(eventbox), "motion_notify_event", G_CALLBACK(track_et_move), pass_along );
-  g_signal_connect_swapped ( G_OBJECT(eventbox), "destroy", G_CALLBACK(g_free), pass_along );
+  g_signal_connect ( G_OBJECT(eventbox), "button_press_event", G_CALLBACK(track_et_click), widgets );
+  g_signal_connect ( G_OBJECT(eventbox), "motion_notify_event", G_CALLBACK(track_et_move), widgets );
   gtk_container_add ( GTK_CONTAINER(eventbox), image );
   gtk_widget_set_events (eventbox, GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);
 
@@ -2644,41 +2802,59 @@ GtkWidget *vik_trw_layer_create_etdiag ( GtkWidget *window, VikTrack *tr, gpoint
 /**
  * Create speed/distance widgets including the image and callbacks
  */
-GtkWidget *vik_trw_layer_create_sddiag ( GtkWidget *window, VikTrack *tr, gpointer vlp, VikViewport *vvp, PropWidgets *widgets)
+GtkWidget *vik_trw_layer_create_sddiag ( GtkWidget *window, PropWidgets *widgets)
 {
   GdkPixmap *pix;
   GtkWidget *image;
   GtkWidget *eventbox;
-  gpointer *pass_along;
 
   // First allocation
-  widgets->speeds_dist = vik_track_make_speed_dist_map ( tr, widgets->profile_width );
+  widgets->speeds_dist = vik_track_make_speed_dist_map ( widgets->tr, widgets->profile_width );
   if ( widgets->speeds_dist == NULL )
     return NULL;
 
-  pass_along = g_malloc ( sizeof(gpointer) * 4 ); /* FIXME: mem leak -- never be freed */
-  pass_along[0] = tr;
-  pass_along[1] = vlp;
-  pass_along[2] = vvp;
-  pass_along[3] = widgets;
-
-  pix = gdk_pixmap_new( window->window, widgets->profile_width + MARGIN, widgets->profile_height, -1 );
+  pix = gdk_pixmap_new( gtk_widget_get_window(window), widgets->profile_width+MARGIN_X, widgets->profile_height+MARGIN_Y, -1 );
   image = gtk_image_new_from_pixmap ( pix, NULL );
 
   g_object_unref ( G_OBJECT(pix) );
 
   eventbox = gtk_event_box_new ();
-  g_signal_connect ( G_OBJECT(eventbox), "button_press_event", G_CALLBACK(track_sd_click), pass_along );
-  g_signal_connect ( G_OBJECT(eventbox), "motion_notify_event", G_CALLBACK(track_sd_move), pass_along );
-  g_signal_connect_swapped ( G_OBJECT(eventbox), "destroy", G_CALLBACK(g_free), pass_along );
+  g_signal_connect ( G_OBJECT(eventbox), "button_press_event", G_CALLBACK(track_sd_click), widgets );
+  g_signal_connect ( G_OBJECT(eventbox), "motion_notify_event", G_CALLBACK(track_sd_move), widgets );
   gtk_container_add ( GTK_CONTAINER(eventbox), image );
   gtk_widget_set_events (eventbox, GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);
 
   return eventbox;
 }
-#undef MARGIN
+#undef MARGIN_X
+
+#define VIK_SETTINGS_TRACK_PROFILE_WIDTH "track_profile_display_width"
+#define VIK_SETTINGS_TRACK_PROFILE_HEIGHT "track_profile_display_height"
+
+static void save_values ( PropWidgets *widgets )
+{
+  // Session settings
+  a_settings_set_integer ( VIK_SETTINGS_TRACK_PROFILE_WIDTH, widgets->profile_width );
+  a_settings_set_integer ( VIK_SETTINGS_TRACK_PROFILE_HEIGHT, widgets->profile_height );
+
+  // Just for this session ATM
+  show_dem                = gtk_toggle_button_get_active ( GTK_TOGGLE_BUTTON(widgets->w_show_dem) );
+  show_alt_gps_speed      = gtk_toggle_button_get_active ( GTK_TOGGLE_BUTTON(widgets->w_show_alt_gps_speed) );
+  show_gps_speed          = gtk_toggle_button_get_active ( GTK_TOGGLE_BUTTON(widgets->w_show_gps_speed) );
+  show_gradient_gps_speed = gtk_toggle_button_get_active ( GTK_TOGGLE_BUTTON(widgets->w_show_gradient_gps_speed) );
+  show_dist_speed         = gtk_toggle_button_get_active ( GTK_TOGGLE_BUTTON(widgets->w_show_dist_speed) );
+  show_elev_dem           = gtk_toggle_button_get_active ( GTK_TOGGLE_BUTTON(widgets->w_show_elev_dem) );
+  show_elev_speed         = gtk_toggle_button_get_active ( GTK_TOGGLE_BUTTON(widgets->w_show_elev_speed) );
+  show_sd_gps_speed       = gtk_toggle_button_get_active ( GTK_TOGGLE_BUTTON(widgets->w_show_sd_gps_speed) );
+}
+
+static void destroy_cb ( GtkDialog *dialog, PropWidgets *widgets )
+{
+  save_values(widgets);
+  prop_widgets_free(widgets);
+}
 
-static void propwin_response_cb( GtkDialog *dialog, gint resp, PropWidgets *widgets)
+static void propwin_response_cb( GtkDialog *dialog, gint resp, PropWidgets *widgets )
 {
   VikTrack *tr = widgets->tr;
   VikTrwLayer *vtl = widgets->vtl;
@@ -2692,53 +2868,59 @@ static void propwin_response_cb( GtkDialog *dialog, gint resp, PropWidgets *widg
       break;
     case GTK_RESPONSE_ACCEPT:
       vik_track_set_comment(tr, gtk_entry_get_text(GTK_ENTRY(widgets->w_comment)));
+      vik_track_set_description(tr, gtk_entry_get_text(GTK_ENTRY(widgets->w_description)));
+      gtk_color_button_get_color ( GTK_COLOR_BUTTON(widgets->w_color), &(tr->color) );
+      tr->draw_name_mode = gtk_combo_box_get_active ( GTK_COMBO_BOX(widgets->w_namelabel) );
+      tr->max_number_dist_labels = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widgets->w_number_distlabels) );
+      trw_layer_update_treeview ( widgets->vtl, widgets->tr );
+      vik_layer_emit_update ( VIK_LAYER(vtl) );
       break;
     case VIK_TRW_LAYER_PROPWIN_REVERSE:
       vik_track_reverse(tr);
-      vik_layer_emit_update ( VIK_LAYER(vtl), FALSE );
+      vik_layer_emit_update ( VIK_LAYER(vtl) );
       break;
     case VIK_TRW_LAYER_PROPWIN_DEL_DUP:
-      vik_track_remove_dup_points(tr);
+      vik_track_remove_dup_points(tr); // NB ignore the returned answer
+      // As we could have seen the nuber of dulplicates that would be deleted in the properties statistics tab,
+      //   choose not to inform the user unnecessarily
+
       /* above operation could have deleted current_tp or last_tp */
-      trw_layer_cancel_tps_of_track ( vtl, widgets->track_name );
-      vik_layer_emit_update ( VIK_LAYER(vtl), FALSE );
+      trw_layer_cancel_tps_of_track ( vtl, tr );
+      vik_layer_emit_update ( VIK_LAYER(vtl) );
       break;
     case VIK_TRW_LAYER_PROPWIN_SPLIT:
       {
-        /* get new tracks, add them, resolve naming conflicts (free if cancel), and delete old. old can still exist on clipboard. */
+        /* get new tracks, add them and then the delete old one. old can still exist on clipboard. */
         guint ntracks;
+       
         VikTrack **tracks = vik_track_split_into_segments(tr, &ntracks);
         gchar *new_tr_name;
         guint i;
         for ( i = 0; i < ntracks; i++ )
         {
-          g_assert ( tracks[i] );
-          new_tr_name = g_strdup_printf("%s #%d", widgets->track_name, i+1);
-          /* if ( (wp_exists) && (! overwrite) ) */
-          /* don't need to upper case new_tr_name because old tr name was uppercase */
-          if ( vik_trw_layer_get_track(vtl, new_tr_name ) && 
-             ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_LAYER(vtl), "The track \"%s\" exists, do you wish to overwrite it?", new_tr_name ) ) )
-          {
-            gchar *new_new_tr_name = a_dialog_new_track ( VIK_GTK_WINDOW_FROM_LAYER(vtl), vik_trw_layer_get_tracks(vtl), NULL );
-            g_free ( new_tr_name );
-            if (new_new_tr_name)
-              new_tr_name = new_new_tr_name;
+          if ( tracks[i] ) {
+           new_tr_name = trw_layer_new_unique_sublayer_name ( vtl,
+                                                               widgets->tr->is_route ? VIK_TRW_LAYER_SUBLAYER_ROUTE : VIK_TRW_LAYER_SUBLAYER_TRACK,
+                                                               widgets->tr->name);
+            if ( widgets->tr->is_route )
+              vik_trw_layer_add_route ( vtl, new_tr_name, tracks[i] );
             else
-            {
-              new_tr_name = NULL;
-              vik_track_free ( tracks[i] );
-            }
-          }
-          if ( new_tr_name )
-            vik_trw_layer_add_track ( vtl, new_tr_name, tracks[i] );
+              vik_trw_layer_add_track ( vtl, new_tr_name, tracks[i] );
+            vik_track_calculate_bounds ( tracks[i] );
+
+            g_free ( new_tr_name );
+         }
         }
         if ( tracks )
         {
           g_free ( tracks );
           /* Don't let track destroy this dialog */
           vik_track_clear_property_dialog(tr);
-          vik_trw_layer_delete_track ( vtl, widgets->track_name );
-          vik_layer_emit_update ( VIK_LAYER(vtl), FALSE ); /* chase thru the hoops */
+          if ( widgets->tr->is_route )
+            vik_trw_layer_delete_route ( vtl, tr );
+          else
+            vik_trw_layer_delete_track ( vtl, tr );
+          vik_layer_emit_update ( VIK_LAYER(vtl) ); /* chase thru the hoops */
         }
       }
       break;
@@ -2756,33 +2938,28 @@ static void propwin_response_cb( GtkDialog *dialog, gint resp, PropWidgets *widg
           break;
         }
 
-        gchar *r_name = g_strdup_printf("%s #2", widgets->track_name);
-        if (vik_trw_layer_get_track(vtl, r_name ) && 
-             ( ! a_dialog_yes_or_no( VIK_GTK_WINDOW_FROM_LAYER(vtl),
-              "The track \"%s\" exists, do you wish to overwrite it?", r_name)))
-        {
-         gchar *new_r_name = a_dialog_new_track( VIK_GTK_WINDOW_FROM_LAYER(vtl), vik_trw_layer_get_tracks(vtl), NULL );
-            if (new_r_name) {
-              g_free( r_name );
-              r_name = new_r_name;
-            }
-            else {
-              a_dialog_msg(VIK_GTK_WINDOW_FROM_LAYER(vtl), GTK_MESSAGE_WARNING,
-                  _("Operation Aborted. Track unchanged"), NULL);
-              keep_dialog = TRUE;
-              break;
-            }
-        }
+        gchar *r_name = trw_layer_new_unique_sublayer_name(vtl,
+                                                           widgets->tr->is_route ? VIK_TRW_LAYER_SUBLAYER_ROUTE : VIK_TRW_LAYER_SUBLAYER_TRACK,
+                                                           widgets->tr->name);
         iter->prev->next = NULL;
         iter->prev = NULL;
         VikTrack *tr_right = vik_track_new();
         if ( tr->comment )
           vik_track_set_comment ( tr_right, tr->comment );
         tr_right->visible = tr->visible;
+        tr_right->is_route = tr->is_route;
         tr_right->trackpoints = iter;
 
-        vik_trw_layer_add_track(vtl, r_name, tr_right);
-        vik_layer_emit_update ( VIK_LAYER(vtl), FALSE );
+        if ( widgets->tr->is_route )
+          vik_trw_layer_add_route(vtl, r_name, tr_right);
+        else
+          vik_trw_layer_add_track(vtl, r_name, tr_right);
+        vik_track_calculate_bounds ( tr );
+        vik_track_calculate_bounds ( tr_right );
+
+        g_free ( r_name );
+
+        vik_layer_emit_update ( VIK_LAYER(vtl) );
       }
       break;
     default:
@@ -2792,7 +2969,6 @@ static void propwin_response_cb( GtkDialog *dialog, gint resp, PropWidgets *widg
 
   /* Keep same behaviour for now: destroy dialog if click on any button */
   if (!keep_dialog) {
-    prop_widgets_free(widgets);
     vik_track_clear_property_dialog(tr);
     gtk_widget_destroy ( GTK_WIDGET(dialog) );
   }
@@ -2801,12 +2977,11 @@ static void propwin_response_cb( GtkDialog *dialog, gint resp, PropWidgets *widg
 /**
  * Force a redraw when checkbutton has been toggled to show/hide that information
  */
-static void checkbutton_toggle_cb ( GtkToggleButton *togglebutton, gpointer *pass_along, gpointer dummy)
+static void checkbutton_toggle_cb ( GtkToggleButton *togglebutton, PropWidgets *widgets, gpointer dummy )
 {
-  PropWidgets *widgets = pass_along[3];
   // Even though not resized, we'll pretend it is -
   //  as this invalidates the saved images (since the image may have changed)
-  draw_all_graphs ( widgets->dialog, pass_along, TRUE);
+  draw_all_graphs ( widgets->dialog, widgets, TRUE );
 }
 
 /**
@@ -2817,6 +2992,8 @@ static GtkWidget *create_graph_page ( GtkWidget *graph,
                                      GtkWidget *value,
                                      const gchar *markup2,
                                      GtkWidget *value2,
+                                     const gchar *markup3,
+                                     GtkWidget *value3,
                                      GtkWidget *checkbutton1,
                                      gboolean checkbutton1_default,
                                      GtkWidget *checkbutton2,
@@ -2826,13 +3003,19 @@ static GtkWidget *create_graph_page ( GtkWidget *graph,
   GtkWidget *vbox = gtk_vbox_new ( FALSE, 10 );
   GtkWidget *label = gtk_label_new (NULL);
   GtkWidget *label2 = gtk_label_new (NULL);
+  GtkWidget *label3 = gtk_label_new (NULL);
   gtk_box_pack_start (GTK_BOX(vbox), graph, FALSE, FALSE, 0);
   gtk_label_set_markup ( GTK_LABEL(label), markup );
   gtk_label_set_markup ( GTK_LABEL(label2), markup2 );
+  gtk_label_set_markup ( GTK_LABEL(label3), markup3 );
   gtk_box_pack_start (GTK_BOX(hbox), label, FALSE, FALSE, 0);
   gtk_box_pack_start (GTK_BOX(hbox), value, FALSE, FALSE, 0);
   gtk_box_pack_start (GTK_BOX(hbox), label2, FALSE, FALSE, 0);
   gtk_box_pack_start (GTK_BOX(hbox), value2, FALSE, FALSE, 0);
+  if ( value3 ) {
+    gtk_box_pack_start (GTK_BOX(hbox), label3, FALSE, FALSE, 0);
+    gtk_box_pack_start (GTK_BOX(hbox), value3, FALSE, FALSE, 0);
+  }
   if (checkbutton2) {
     gtk_box_pack_end (GTK_BOX(hbox), checkbutton2, FALSE, FALSE, 0);
     gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(checkbutton2), checkbutton2_default);
@@ -2846,16 +3029,62 @@ static GtkWidget *create_graph_page ( GtkWidget *graph,
   return vbox;
 }
 
-void vik_trw_layer_propwin_run ( GtkWindow *parent, VikTrwLayer *vtl, VikTrack *tr, gpointer vlp, gchar *track_name, VikViewport *vvp )
+static GtkWidget *create_table (int cnt, char *labels[], GtkWidget *contents[])
+{
+  GtkTable *table;
+  int i;
+
+  table = GTK_TABLE(gtk_table_new (cnt, 2, FALSE));
+  gtk_table_set_col_spacing (table, 0, 10);
+  for (i=0; i<cnt; i++) {
+    GtkWidget *label;
+
+    // Settings so the text positioning only moves around vertically when the dialog is resized
+    // This also gives more room to see the track comment
+    label = gtk_label_new(NULL);
+    gtk_misc_set_alignment ( GTK_MISC(label), 1, 0.5 ); // Position text centrally in vertical plane
+    gtk_label_set_markup ( GTK_LABEL(label), _(labels[i]) );
+    gtk_table_attach ( table, label, 0, 1, i, i+1, GTK_FILL, GTK_SHRINK, 0, 0 );
+    if (GTK_IS_MISC(contents[i])) {
+      gtk_misc_set_alignment ( GTK_MISC(contents[i]), 0, 0.5 );
+    }
+    if ( GTK_IS_COLOR_BUTTON(contents[i]) || GTK_IS_COMBO_BOX(contents[i]) )
+      // Buttons compressed - otherwise look weird (to me) if vertically massive
+      gtk_table_attach ( table, contents[i], 1, 2, i, i+1, GTK_FILL, GTK_SHRINK, 0, 5 );
+    else
+      // Expand for comments + descriptions / labels
+      gtk_table_attach_defaults ( table, contents[i], 1, 2, i, i+1 );
+  }
+
+  return GTK_WIDGET (table);
+}
+
+void vik_trw_layer_propwin_run ( GtkWindow *parent,
+                                 VikTrwLayer *vtl,
+                                 VikTrack *tr,
+                                 gpointer vlp,
+                                 VikViewport *vvp,
+                                 gboolean start_on_stats )
 {
-  /* FIXME: free widgets when destroy signal received */
   PropWidgets *widgets = prop_widgets_new();
   widgets->vtl = vtl;
+  widgets->vvp = vvp;
+  widgets->vlp = vlp;
   widgets->tr = tr;
-  widgets->profile_width  = PROPWIN_PROFILE_WIDTH;
-  widgets->profile_height = PROPWIN_PROFILE_HEIGHT;
-  widgets->track_name = track_name;
-  gchar *title = g_strdup_printf(_("%s - Track Properties"), track_name);
+
+  gint profile_size_value;
+  // Ensure minimum values
+  widgets->profile_width = 600;
+  if ( a_settings_get_integer ( VIK_SETTINGS_TRACK_PROFILE_WIDTH, &profile_size_value ) )
+    if ( profile_size_value > widgets->profile_width )
+      widgets->profile_width = profile_size_value;
+
+  widgets->profile_height = 300;
+  if ( a_settings_get_integer ( VIK_SETTINGS_TRACK_PROFILE_HEIGHT, &profile_size_value ) )
+    if ( profile_size_value > widgets->profile_height )
+      widgets->profile_height = profile_size_value;
+
+  gchar *title = g_strdup_printf(_("%s - Track Properties"), tr->name);
   GtkWidget *dialog = gtk_dialog_new_with_buttons (title,
                          parent,
                          GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_NO_SEPARATOR,
@@ -2867,35 +3096,93 @@ void vik_trw_layer_propwin_run ( GtkWindow *parent, VikTrwLayer *vtl, VikTrack *
                          GTK_STOCK_OK,     GTK_RESPONSE_ACCEPT,
                          NULL);
   widgets->dialog = dialog;
+  g_signal_connect( G_OBJECT(dialog), "response", G_CALLBACK(propwin_response_cb), widgets);
+
   g_free(title);
-  g_signal_connect(dialog, "response", G_CALLBACK(propwin_response_cb), widgets);
-  GtkTable *table;
+  GtkWidget *table;
   gdouble tr_len;
-  guint32 tp_count, seg_count;
+  gulong tp_count;
+  guint seg_count;
 
   gdouble min_alt, max_alt;
-  widgets->elev_box = vik_trw_layer_create_profile(GTK_WIDGET(parent), tr, vlp, vvp, widgets, &min_alt, &max_alt);
-  widgets->gradient_box = vik_trw_layer_create_gradient(GTK_WIDGET(parent), tr, vlp, vvp, widgets);
-  widgets->speed_box = vik_trw_layer_create_vtdiag(GTK_WIDGET(parent), tr, vlp, vvp, widgets);
-  widgets->dist_box = vik_trw_layer_create_dtdiag(GTK_WIDGET(parent), tr, vlp, vvp, widgets);
-  widgets->elev_time_box = vik_trw_layer_create_etdiag(GTK_WIDGET(parent), tr, vlp, vvp, widgets);
-  widgets->speed_dist_box = vik_trw_layer_create_sddiag(GTK_WIDGET(parent), tr, vlp, vvp, widgets);
+  widgets->elev_box = vik_trw_layer_create_profile(GTK_WIDGET(parent), widgets, &min_alt, &max_alt);
+  widgets->gradient_box = vik_trw_layer_create_gradient(GTK_WIDGET(parent), widgets);
+  widgets->speed_box = vik_trw_layer_create_vtdiag(GTK_WIDGET(parent), widgets);
+  widgets->dist_box = vik_trw_layer_create_dtdiag(GTK_WIDGET(parent), widgets);
+  widgets->elev_time_box = vik_trw_layer_create_etdiag(GTK_WIDGET(parent), widgets);
+  widgets->speed_dist_box = vik_trw_layer_create_sddiag(GTK_WIDGET(parent), widgets);
   GtkWidget *graphs = gtk_notebook_new();
 
-  GtkWidget *content[20];
-  int cnt;
-  int i;
-
-  static gchar *label_texts[] = { N_("<b>Comment:</b>"), N_("<b>Track Length:</b>"), N_("<b>Trackpoints:</b>"), N_("<b>Segments:</b>"), N_("<b>Duplicate Points:</b>"), N_("<b>Max Speed:</b>"), N_("<b>Avg. Speed:</b>"), N_("<b>Moving Avg. Speed:</b>"), N_("<b>Avg. Dist. Between TPs:</b>"), N_("<b>Elevation Range:</b>"), N_("<b>Total Elevation Gain/Loss:</b>"), N_("<b>Start:</b>"), N_("<b>End:</b>"), N_("<b>Duration:</b>") };
+  GtkWidget *content_prop[20];
+  int cnt_prop = 0;
+
+  static gchar *label_texts[] = {
+    N_("<b>Comment:</b>"),
+    N_("<b>Description:</b>"),
+    N_("<b>Color:</b>"),
+    N_("<b>Draw Name:</b>"),
+    N_("<b>Distance Labels:</b>"),
+  };
+  static gchar *stats_texts[] = {
+    N_("<b>Track Length:</b>"),
+    N_("<b>Trackpoints:</b>"),
+    N_("<b>Segments:</b>"),
+    N_("<b>Duplicate Points:</b>"),
+    N_("<b>Max Speed:</b>"),
+    N_("<b>Avg. Speed:</b>"),
+    N_("<b>Moving Avg. Speed:</b>"),
+    N_("<b>Avg. Dist. Between TPs:</b>"),
+    N_("<b>Elevation Range:</b>"),
+    N_("<b>Total Elevation Gain/Loss:</b>"),
+    N_("<b>Start:</b>"),
+    N_("<b>End:</b>"),
+    N_("<b>Duration:</b>"),
+  };
   static gchar tmp_buf[50];
   gdouble tmp_speed;
 
-  cnt = 0;
+  // Properties
   widgets->w_comment = gtk_entry_new ();
   if ( tr->comment )
     gtk_entry_set_text ( GTK_ENTRY(widgets->w_comment), tr->comment );
   g_signal_connect_swapped ( widgets->w_comment, "activate", G_CALLBACK(a_dialog_response_accept), GTK_DIALOG(dialog) );
-  content[cnt++] = widgets->w_comment;
+  content_prop[cnt_prop++] = widgets->w_comment;
+
+  widgets->w_description = gtk_entry_new ();
+  if ( tr->description )
+    gtk_entry_set_text ( GTK_ENTRY(widgets->w_description), tr->description );
+  g_signal_connect_swapped ( widgets->w_description, "activate", G_CALLBACK(a_dialog_response_accept), GTK_DIALOG(dialog) );
+  content_prop[cnt_prop++] = widgets->w_description;
+
+  widgets->w_color = content_prop[cnt_prop++] = gtk_color_button_new_with_color ( &(tr->color) );
+
+  static gchar *draw_name_labels[] = {
+    N_("No"),
+    N_("Centre"),
+    N_("Start only"),
+    N_("End only"),
+    N_("Start and End"),
+    N_("Centre, Start and End"),
+    NULL
+  };
+
+  widgets->w_namelabel = content_prop[cnt_prop++] = vik_combo_box_text_new ();
+  gchar **pstr = draw_name_labels;
+  while ( *pstr )
+    vik_combo_box_text_append ( widgets->w_namelabel, *(pstr++) );
+  gtk_combo_box_set_active ( GTK_COMBO_BOX(widgets->w_namelabel), tr->draw_name_mode );
+
+  widgets->w_number_distlabels = content_prop[cnt_prop++] =
+   gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new(tr->max_number_dist_labels, 0, 100, 1, 1, 0)), 1, 0 );
+  gtk_widget_set_tooltip_text ( GTK_WIDGET(widgets->w_number_distlabels), _("Maximum number of distance labels to be shown") );
+
+  table = create_table (cnt_prop, label_texts, content_prop);
+
+  gtk_notebook_append_page(GTK_NOTEBOOK(graphs), GTK_WIDGET(table), gtk_label_new(_("Properties")));
+
+  // Statistics
+  GtkWidget *content[20];
+  int cnt = 0;
 
   vik_units_distance_t dist_units = a_vik_get_units_distance ();
 
@@ -2910,21 +3197,24 @@ void vik_trw_layer_propwin_run ( GtkWindow *parent, VikTrwLayer *vtl, VikTrack *
   case VIK_UNITS_DISTANCE_MILES:
     g_snprintf(tmp_buf, sizeof(tmp_buf), "%.2f miles", VIK_METERS_TO_MILES(tr_len) );
     break;
+  case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
+    g_snprintf(tmp_buf, sizeof(tmp_buf), "%.2f NM", VIK_METERS_TO_NAUTICAL_MILES(tr_len) );
+    break;
   default:
     g_critical("Houston, we've had a problem. distance=%d", dist_units);
   }
-  widgets->w_track_length = content[cnt++] = gtk_label_new ( tmp_buf );
+  widgets->w_track_length = content[cnt++] = ui_label_new_selectable ( tmp_buf );
 
   tp_count = vik_track_get_tp_count(tr);
-  g_snprintf(tmp_buf, sizeof(tmp_buf), "%u", tp_count );
-  widgets->w_tp_count = content[cnt++] = gtk_label_new ( tmp_buf );
+  g_snprintf(tmp_buf, sizeof(tmp_buf), "%lu", tp_count );
+  widgets->w_tp_count = content[cnt++] = ui_label_new_selectable ( tmp_buf );
 
   seg_count = vik_track_get_segment_count(tr) ;
   g_snprintf(tmp_buf, sizeof(tmp_buf), "%u", seg_count );
-  widgets->w_segment_count = content[cnt++] = gtk_label_new ( tmp_buf );
+  widgets->w_segment_count = content[cnt++] = ui_label_new_selectable ( tmp_buf );
 
   g_snprintf(tmp_buf, sizeof(tmp_buf), "%lu", vik_track_get_dup_point_count(tr) );
-  widgets->w_duptp_count = content[cnt++] = gtk_label_new ( tmp_buf );
+  widgets->w_duptp_count = content[cnt++] = ui_label_new_selectable ( tmp_buf );
 
   vik_units_speed_t speed_units = a_vik_get_units_speed ();
   tmp_speed = vik_track_get_max_speed(tr);
@@ -2949,7 +3239,7 @@ void vik_trw_layer_propwin_run ( GtkWindow *parent, VikTrwLayer *vtl, VikTrack *
       g_critical("Houston, we've had a problem. speed=%d", speed_units);
     }
   }
-  widgets->w_max_speed = content[cnt++] = gtk_label_new ( tmp_buf );
+  widgets->w_max_speed = content[cnt++] = ui_label_new_selectable ( tmp_buf );
 
   tmp_speed = vik_track_get_average_speed(tr);
   if ( tmp_speed == 0 )
@@ -2973,7 +3263,7 @@ void vik_trw_layer_propwin_run ( GtkWindow *parent, VikTrwLayer *vtl, VikTrack *
       g_critical("Houston, we've had a problem. speed=%d", speed_units);
     }
   }
-  widgets->w_avg_speed = content[cnt++] = gtk_label_new ( tmp_buf );
+  widgets->w_avg_speed = content[cnt++] = ui_label_new_selectable ( tmp_buf );
 
   // Use 60sec as the default period to be considered stopped
   //  this is the TrackWaypoint draw stops default value 'vtl->stop_length'
@@ -3001,7 +3291,7 @@ void vik_trw_layer_propwin_run ( GtkWindow *parent, VikTrwLayer *vtl, VikTrack *
       g_critical("Houston, we've had a problem. speed=%d", speed_units);
     }
   }
-  widgets->w_mvg_speed = content[cnt++] = gtk_label_new ( tmp_buf );
+  widgets->w_mvg_speed = content[cnt++] = ui_label_new_selectable ( tmp_buf );
 
   switch (dist_units) {
   case VIK_UNITS_DISTANCE_KILOMETRES:
@@ -3011,10 +3301,13 @@ void vik_trw_layer_propwin_run ( GtkWindow *parent, VikTrwLayer *vtl, VikTrack *
   case VIK_UNITS_DISTANCE_MILES:
     g_snprintf(tmp_buf, sizeof(tmp_buf), "%.3f miles", (tp_count - seg_count) == 0 ? 0 : VIK_METERS_TO_MILES(tr_len / ( tp_count - seg_count )) );
     break;
+  case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
+    g_snprintf(tmp_buf, sizeof(tmp_buf), "%.3f NM", (tp_count - seg_count) == 0 ? 0 : VIK_METERS_TO_NAUTICAL_MILES(tr_len / ( tp_count - seg_count )) );
+    break;
   default:
     g_critical("Houston, we've had a problem. distance=%d", dist_units);
   }
-  widgets->w_avg_dist = content[cnt++] = gtk_label_new ( tmp_buf );
+  widgets->w_avg_dist = content[cnt++] = ui_label_new_selectable ( tmp_buf );
 
   vik_units_height_t height_units = a_vik_get_units_height ();
   if ( min_alt == VIK_DEFAULT_ALTITUDE )
@@ -3032,7 +3325,7 @@ void vik_trw_layer_propwin_run ( GtkWindow *parent, VikTrwLayer *vtl, VikTrack *
       g_critical("Houston, we've had a problem. height=%d", height_units);
     }
   }
-  widgets->w_elev_range = content[cnt++] = gtk_label_new ( tmp_buf );
+  widgets->w_elev_range = content[cnt++] = ui_label_new_selectable ( tmp_buf );
 
   vik_track_get_total_elevation_gain(tr, &max_alt, &min_alt );
   if ( min_alt == VIK_DEFAULT_ALTITUDE )
@@ -3050,7 +3343,7 @@ void vik_trw_layer_propwin_run ( GtkWindow *parent, VikTrwLayer *vtl, VikTrack *
       g_critical("Houston, we've had a problem. height=%d", height_units);
     }
   }
-  widgets->w_elev_gain = content[cnt++] = gtk_label_new ( tmp_buf );
+  widgets->w_elev_gain = content[cnt++] = ui_label_new_selectable ( tmp_buf );
 
 #if 0
 #define PACK(w) gtk_box_pack_start (GTK_BOX(right_vbox), w, FALSE, FALSE, 0);
@@ -3073,137 +3366,132 @@ void vik_trw_layer_propwin_run ( GtkWindow *parent, VikTrwLayer *vtl, VikTrack *
     t1 = VIK_TRACKPOINT(tr->trackpoints->data)->timestamp;
     t2 = VIK_TRACKPOINT(g_list_last(tr->trackpoints)->data)->timestamp;
 
-    strncpy(tmp_buf, ctime(&t1), sizeof(tmp_buf));
-    tmp_buf[sizeof(tmp_buf)-1] = 0;
-    g_strchomp(tmp_buf);
-    widgets->w_time_start = content[cnt++] = gtk_label_new(tmp_buf);
+    VikCoord vc;
+    // Notional center of a track is simply an average of the bounding box extremities
+    struct LatLon center = { (tr->bbox.north+tr->bbox.south)/2, (tr->bbox.east+tr->bbox.west)/2 };
+    vik_coord_load_from_latlon ( &vc, vik_trw_layer_get_coord_mode(vtl), &center );
 
-    strncpy(tmp_buf, ctime(&t2), sizeof(tmp_buf));
-    tmp_buf[sizeof(tmp_buf)-1] = 0;
-    g_strchomp(tmp_buf);
-    widgets->w_time_end = content[cnt++] = gtk_label_new(tmp_buf);
+    widgets->tz = vu_get_tz_at_location ( &vc );
+
+    gchar *msg;
+    msg = vu_get_time_string ( &t1, "%c", &vc, widgets->tz );
+    widgets->w_time_start = content[cnt++] = ui_label_new_selectable(msg);
+    g_free ( msg );
+
+    msg = vu_get_time_string ( &t2, "%c", &vc, widgets->tz );
+    widgets->w_time_end = content[cnt++] = ui_label_new_selectable(msg);
+    g_free ( msg );
 
     g_snprintf(tmp_buf, sizeof(tmp_buf), _("%d minutes"), (int)(t2-t1)/60);
-    widgets->w_time_dur = content[cnt++] = gtk_label_new(tmp_buf);
+    widgets->w_time_dur = content[cnt++] = ui_label_new_selectable(tmp_buf);
   } else {
     widgets->w_time_start = content[cnt++] = gtk_label_new(_("No Data"));
     widgets->w_time_end = content[cnt++] = gtk_label_new(_("No Data"));
     widgets->w_time_dur = content[cnt++] = gtk_label_new(_("No Data"));
   }
 
-  table = GTK_TABLE(gtk_table_new (cnt, 2, FALSE));
-  gtk_table_set_col_spacing (table, 0, 10);
-  for (i=0; i<cnt; i++) {
-    GtkWidget *label;
-
-    // Settings so the text positioning only moves around vertically when the dialog is resized
-    // This also gives more room to see the track comment
-    label = gtk_label_new(NULL);
-    gtk_misc_set_alignment ( GTK_MISC(label), 1, 0.5 ); // Position text centrally in vertical plane
-    gtk_label_set_markup ( GTK_LABEL(label), _(label_texts[i]) );
-    gtk_table_attach ( table, label, 0, 1, i, i+1, GTK_FILL, GTK_SHRINK, 0, 0 );
-    if (GTK_IS_MISC(content[i])) {
-      gtk_misc_set_alignment ( GTK_MISC(content[i]), 0, 0.5 );
-    }
-    gtk_table_attach_defaults ( table, content[i], 1, 2, i, i+1 );
-  }
+  table = create_table (cnt, stats_texts, content);
 
   gtk_notebook_append_page(GTK_NOTEBOOK(graphs), GTK_WIDGET(table), gtk_label_new(_("Statistics")));
 
-  gpointer *pass_along;
-  pass_along = g_malloc ( sizeof(gpointer) * 4 ); /* FIXME: mem leak -- never be freed */
-  pass_along[0] = tr;
-  pass_along[1] = vlp;
-  pass_along[2] = vvp;
-  pass_along[3] = widgets;
-
   if ( widgets->elev_box ) {
     GtkWidget *page = NULL;
-    widgets->w_cur_dist = gtk_label_new(_("No Data"));
-    widgets->w_cur_elevation = gtk_label_new(_("No Data"));
+    widgets->w_cur_dist = ui_label_new_selectable(_("No Data"));
+    widgets->w_cur_elevation = ui_label_new_selectable(_("No Data"));
     widgets->w_show_dem = gtk_check_button_new_with_mnemonic(_("Show D_EM"));
     widgets->w_show_alt_gps_speed = gtk_check_button_new_with_mnemonic(_("Show _GPS Speed"));
     page = create_graph_page (widgets->elev_box,
-                             _("<b>Track Distance:</b>"), widgets->w_cur_dist,
-                             _("<b>Track Height:</b>"), widgets->w_cur_elevation,
-                             widgets->w_show_dem, TRUE,
-                             widgets->w_show_alt_gps_speed, TRUE);
-    g_signal_connect (widgets->w_show_dem, "toggled", G_CALLBACK (checkbutton_toggle_cb), pass_along);
-    g_signal_connect (widgets->w_show_alt_gps_speed, "toggled", G_CALLBACK (checkbutton_toggle_cb), pass_along);
+                              _("<b>Track Distance:</b>"), widgets->w_cur_dist,
+                              _("<b>Track Height:</b>"), widgets->w_cur_elevation,
+                              NULL, NULL,
+                              widgets->w_show_dem, show_dem,
+                              widgets->w_show_alt_gps_speed, show_alt_gps_speed);
+    g_signal_connect (widgets->w_show_dem, "toggled", G_CALLBACK (checkbutton_toggle_cb), widgets);
+    g_signal_connect (widgets->w_show_alt_gps_speed, "toggled", G_CALLBACK (checkbutton_toggle_cb), widgets);
     gtk_notebook_append_page(GTK_NOTEBOOK(graphs), page, gtk_label_new(_("Elevation-distance")));
   }
 
   if ( widgets->gradient_box ) {
     GtkWidget *page = NULL;
-    widgets->w_cur_gradient_dist = gtk_label_new(_("No Data"));
-    widgets->w_cur_gradient_gradient = gtk_label_new(_("No Data"));
+    widgets->w_cur_gradient_dist = ui_label_new_selectable(_("No Data"));
+    widgets->w_cur_gradient_gradient = ui_label_new_selectable(_("No Data"));
     widgets->w_show_gradient_gps_speed = gtk_check_button_new_with_mnemonic(_("Show _GPS Speed"));
     page = create_graph_page (widgets->gradient_box,
-                             _("<b>Track Distance:</b>"), widgets->w_cur_gradient_dist,
-                             _("<b>Track Gradient:</b>"), widgets->w_cur_gradient_gradient,
-                             widgets->w_show_gradient_gps_speed, TRUE,
-                  NULL, FALSE);
-    g_signal_connect (widgets->w_show_gradient_gps_speed, "toggled", G_CALLBACK (checkbutton_toggle_cb), pass_along);
+                              _("<b>Track Distance:</b>"), widgets->w_cur_gradient_dist,
+                              _("<b>Track Gradient:</b>"), widgets->w_cur_gradient_gradient,
+                              NULL, NULL,
+                              widgets->w_show_gradient_gps_speed, show_gradient_gps_speed,
+                              NULL, FALSE);
+    g_signal_connect (widgets->w_show_gradient_gps_speed, "toggled", G_CALLBACK (checkbutton_toggle_cb), widgets);
     gtk_notebook_append_page(GTK_NOTEBOOK(graphs), page, gtk_label_new(_("Gradient-distance")));
   }
 
   if ( widgets->speed_box ) {
     GtkWidget *page = NULL;
-    widgets->w_cur_time = gtk_label_new(_("No Data"));
-    widgets->w_cur_speed = gtk_label_new(_("No Data"));
+    widgets->w_cur_time = ui_label_new_selectable(_("No Data"));
+    widgets->w_cur_speed = ui_label_new_selectable(_("No Data"));
+    widgets->w_cur_time_real = ui_label_new_selectable(_("No Data"));
     widgets->w_show_gps_speed = gtk_check_button_new_with_mnemonic(_("Show _GPS Speed"));
     page = create_graph_page (widgets->speed_box,
-                             _("<b>Track Time:</b>"), widgets->w_cur_time,
-                             _("<b>Track Speed:</b>"), widgets->w_cur_speed,
-                             widgets->w_show_gps_speed, TRUE,
-                             NULL, FALSE);
-    g_signal_connect (widgets->w_show_gps_speed, "toggled", G_CALLBACK (checkbutton_toggle_cb), pass_along);
+                              _("<b>Track Time:</b>"), widgets->w_cur_time,
+                              _("<b>Track Speed:</b>"), widgets->w_cur_speed,
+                              _("<b>Time/Date:</b>"), widgets->w_cur_time_real,
+                              widgets->w_show_gps_speed, show_gps_speed,
+                              NULL, FALSE);
+    g_signal_connect (widgets->w_show_gps_speed, "toggled", G_CALLBACK (checkbutton_toggle_cb), widgets);
     gtk_notebook_append_page(GTK_NOTEBOOK(graphs), page, gtk_label_new(_("Speed-time")));
   }
 
   if ( widgets->dist_box ) {
     GtkWidget *page = NULL;
-    widgets->w_cur_dist_time = gtk_label_new(_("No Data"));
-    widgets->w_cur_dist_dist = gtk_label_new(_("No Data"));
+    widgets->w_cur_dist_time = ui_label_new_selectable(_("No Data"));
+    widgets->w_cur_dist_dist = ui_label_new_selectable(_("No Data"));
+    widgets->w_cur_dist_time_real = ui_label_new_selectable(_("No Data"));
     widgets->w_show_dist_speed = gtk_check_button_new_with_mnemonic(_("Show S_peed"));
     page = create_graph_page (widgets->dist_box,
-                             _("<b>Track Distance:</b>"), widgets->w_cur_dist_dist,
-                             _("<b>Track Time:</b>"), widgets->w_cur_dist_time,
-                             widgets->w_show_dist_speed, FALSE,
-                             NULL, FALSE);
-    g_signal_connect (widgets->w_show_dist_speed, "toggled", G_CALLBACK (checkbutton_toggle_cb), pass_along);
+                              _("<b>Track Distance:</b>"), widgets->w_cur_dist_dist,
+                              _("<b>Track Time:</b>"), widgets->w_cur_dist_time,
+                              _("<b>Time/Date:</b>"), widgets->w_cur_dist_time_real,
+                              widgets->w_show_dist_speed, show_dist_speed,
+                              NULL, FALSE);
+    g_signal_connect (widgets->w_show_dist_speed, "toggled", G_CALLBACK (checkbutton_toggle_cb), widgets);
     gtk_notebook_append_page(GTK_NOTEBOOK(graphs), page, gtk_label_new(_("Distance-time")));
   }
 
   if ( widgets->elev_time_box ) {
     GtkWidget *page = NULL;
-    widgets->w_cur_elev_time = gtk_label_new(_("No Data"));
-    widgets->w_cur_elev_elev = gtk_label_new(_("No Data"));
+    widgets->w_cur_elev_time = ui_label_new_selectable(_("No Data"));
+    widgets->w_cur_elev_elev = ui_label_new_selectable(_("No Data"));
+    widgets->w_cur_elev_time_real = ui_label_new_selectable(_("No Data"));
     widgets->w_show_elev_speed = gtk_check_button_new_with_mnemonic(_("Show S_peed"));
+    widgets->w_show_elev_dem = gtk_check_button_new_with_mnemonic(_("Show D_EM"));
     page = create_graph_page (widgets->elev_time_box,
-                             _("<b>Track Time:</b>"), widgets->w_cur_elev_time,
-                             _("<b>Track Height:</b>"), widgets->w_cur_elev_elev,
-                             widgets->w_show_elev_speed, FALSE,
-                             NULL, FALSE);
-    g_signal_connect (widgets->w_show_elev_speed, "toggled", G_CALLBACK (checkbutton_toggle_cb), pass_along);
+                              _("<b>Track Time:</b>"), widgets->w_cur_elev_time,
+                              _("<b>Track Height:</b>"), widgets->w_cur_elev_elev,
+                              _("<b>Time/Date:</b>"), widgets->w_cur_elev_time_real,
+                              widgets->w_show_elev_dem, show_elev_dem,
+                              widgets->w_show_elev_speed, show_elev_speed);
+    g_signal_connect (widgets->w_show_elev_dem, "toggled", G_CALLBACK (checkbutton_toggle_cb), widgets);
+    g_signal_connect (widgets->w_show_elev_speed, "toggled", G_CALLBACK (checkbutton_toggle_cb), widgets);
     gtk_notebook_append_page(GTK_NOTEBOOK(graphs), page, gtk_label_new(_("Elevation-time")));
   }
 
   if ( widgets->speed_dist_box ) {
     GtkWidget *page = NULL;
-    widgets->w_cur_speed_dist = gtk_label_new(_("No Data"));
-    widgets->w_cur_speed_speed = gtk_label_new(_("No Data"));
+    widgets->w_cur_speed_dist = ui_label_new_selectable(_("No Data"));
+    widgets->w_cur_speed_speed = ui_label_new_selectable(_("No Data"));
     widgets->w_show_sd_gps_speed = gtk_check_button_new_with_mnemonic(_("Show _GPS Speed"));
     page = create_graph_page (widgets->speed_dist_box,
-                             _("<b>Track Distance:</b>"), widgets->w_cur_speed_dist,
-                             _("<b>Track Speed:</b>"), widgets->w_cur_speed_speed,
-                             widgets->w_show_sd_gps_speed, TRUE,
-                             NULL, FALSE);
-    g_signal_connect (widgets->w_show_sd_gps_speed, "toggled", G_CALLBACK (checkbutton_toggle_cb), pass_along);
+                              _("<b>Track Distance:</b>"), widgets->w_cur_speed_dist,
+                              _("<b>Track Speed:</b>"), widgets->w_cur_speed_speed,
+                              NULL, NULL,
+                              widgets->w_show_sd_gps_speed, show_sd_gps_speed,
+                              NULL, FALSE);
+    g_signal_connect (widgets->w_show_sd_gps_speed, "toggled", G_CALLBACK (checkbutton_toggle_cb), widgets);
     gtk_notebook_append_page(GTK_NOTEBOOK(graphs), page, gtk_label_new(_("Speed-distance")));
   }
 
-  gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), graphs, FALSE, FALSE, 0);
+  gtk_box_pack_start (GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), graphs, FALSE, FALSE, 0);
 
   gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog), VIK_TRW_LAYER_PROPWIN_SPLIT_MARKER, FALSE);
   if (seg_count <= 1)
@@ -3211,11 +3499,37 @@ void vik_trw_layer_propwin_run ( GtkWindow *parent, VikTrwLayer *vtl, VikTrack *
   if (vik_track_get_dup_point_count(tr) <= 0)
     gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog), VIK_TRW_LAYER_PROPWIN_DEL_DUP, FALSE);
 
-  // On dialog realization configure_event casues the graphs to be initially drawn
+  // On dialog realization configure_event causes the graphs to be initially drawn
   widgets->configure_dialog = TRUE;
-  g_signal_connect ( G_OBJECT(dialog), "configure-event", G_CALLBACK (configure_event), pass_along);
+  g_signal_connect ( G_OBJECT(dialog), "configure-event", G_CALLBACK (configure_event), widgets );
+
+  g_signal_connect ( G_OBJECT(dialog), "destroy", G_CALLBACK (destroy_cb), widgets );
 
   vik_track_set_property_dialog(tr, dialog);
   gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
   gtk_widget_show_all ( dialog );
+
+  // Gtk note: due to historical reasons, this must be done after widgets are shown
+  if ( start_on_stats )
+    gtk_notebook_set_current_page ( GTK_NOTEBOOK(graphs), 1 );
+}
+
+
+/**
+ * Update this property dialog
+ * e.g. if the track has been renamed
+ */
+void vik_trw_layer_propwin_update ( VikTrack *trk )
+{
+  // If not displayed do nothing
+  if ( !trk->property_dialog )
+    return;
+
+  // Update title with current name
+  if ( trk->name ) {
+    gchar *title = g_strdup_printf ( _("%s - Track Properties"), trk->name );
+    gtk_window_set_title ( GTK_WINDOW(trk->property_dialog), title );
+    g_free(title);
+  }
+
 }