]> err.no Git - mapper/blobdiff - src/gtkmap.c
GpsBluez: cleanups
[mapper] / src / gtkmap.c
index b0b7446f3fe751011ad34bed754e62cc3d31af4c..e4d9c10375aacf3b40fa76ce26c3474231b4d396 100644 (file)
@@ -17,6 +17,8 @@
  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "config.h"
+
 #include <stdlib.h>
 #include <glib/gstdio.h>
 #include <glib-object.h>
 #define BUF_WIDTH_PIXELS (1024)
 #define BUF_HEIGHT_PIXELS (768)
 
-#define SCALE_WIDTH (300)
+/* Filename buffer */
+#define BUFFER_SIZE (2048)
+
+#define SCALE_WIDTH (256)
 
 #define MAP_CACHE_DEFAULT (64)
 
@@ -65,6 +70,8 @@ struct _GtkMapPriv
        cairo_t *ct;
 #endif
 
+       GtkMenu *menu;
+
        PangoContext *context;
        PangoLayout *layout;
        PangoFontDescription *fontdesc;
@@ -77,30 +84,32 @@ struct _GtkMapPriv
        PangoLayout *scale_layout;
        PangoFontDescription *scale_font;
 
-       GdkGC *gc_h;
-       GdkGC *gc_w;
-       GdkGC *gc_d;
+       GdkGC *gc_track;
+       GdkGC *gc_route;
+       GdkGC *gc_waypoint;
+       GdkGC *gc_break;
+
+       GdkGC *gc_mark;
+       GdkGC *gc_velvec;
 
        GdkGC *speed_gc1;
        GdkGC *speed_gc2;
        GdkGC *speed_gc;
 
+       /* OpenGL data */
+#ifdef WITH_GL
+       GdkGLConfig* gl_config;
+#endif
+       gboolean gl;
+
        GdkRectangle scale_rect;
 
        RepoData *curr_repo;
 
        GTimer *timer;
        ImageCache *icache;
-       GList *markers;
 
-       /* OpenGL data */
-#ifdef WITH_GL
-       GdkGLConfig* gl_config;
-#endif
-       gboolean gl;
-
-       GdkGC *gc_mark;
-       GdkGC *gc_velvec;
+       GSList *markers;
 
        /* Cached Location dot x,y values */
        gint mark_x1;
@@ -110,7 +119,6 @@ struct _GtkMapPriv
        GdkRectangle mark_rect;
 
        GtkMapCenterMode center_mode;
-
        Point center;
        Point min_center;
        Point max_center;
@@ -132,6 +140,7 @@ struct _GtkMapPriv
        gint zoom;
        gint max_zoom;
        gint min_zoom;
+       gboolean zoom_to_mouse;
 
        gfloat units_conv;
        gchar *units_str;
@@ -156,26 +165,46 @@ struct _GtkMapPriv
        gboolean show_location;
        gboolean show_velvec;
        gboolean show_markers;
+       gboolean show_speed;
+       gboolean click_to_center;
+       gboolean zoom_in_on_2button;
+       gboolean rotate_view;
+       gfloat rotate_angle;
 
        guint draw_width;
 
+       gboolean button_down;
+       gint mouse_x;
+       gint mouse_y;
+       gdouble mouse_lat;
+       gdouble mouse_lon;
+
        gboolean fast_render;
 
        guint key_zoom_new;
        guint key_zoom_timeout_sid;
+
+       /* Paths */
+       GSList *paths;                  /* A list with paths to draw (tracks, routes, friends) */
+       Path *current_track;    /* Pointer to main track */
+       Path *current_route;    /* Pointer to main route */
 };
 
 #define tile2grid(tile) ((tile) << 3)
 #define grid2tile(grid) ((grid) >> 3)
+
 #define tile2pixel(tile) ((tile) << 8)
 #define pixel2tile(pixel) ((pixel) >> 8)
+
 #define tile2unit(tile) ((tile) << (8 + priv->zoom))
 #define unit2tile(unit) ((unit) >> (8 + priv->zoom))
+
 #define tile2zunit(tile, zoom) ((tile) << (8 + zoom))
 #define unit2ztile(unit, zoom) ((unit) >> (8 + zoom))
 
 #define grid2pixel(grid) ((grid) << 5)
 #define pixel2grid(pixel) ((pixel) >> 5)
+
 #define grid2unit(grid) ((grid) << (5 + priv->zoom))
 #define unit2grid(unit) ((unit) >> (5 + priv->zoom))
 
@@ -201,7 +230,7 @@ struct _GtkMapPriv
 
 /* #define GTK_MAP_WORLD_SIZE_UNITS(max_zoom) (2 << (max_zoom + GTK_MAP_TILE_SIZE_P2)) */
 
-#define GTK_MAP_WORLD_SIZE_UNITS (1<<31)
+#define GTK_MAP_WORLD_SIZE_UNITS (2<<26)
 #define WORLD_SIZE_UNITS GTK_MAP_WORLD_SIZE_UNITS
 
 /* Pans are done two "grids" at a time, or 64 pixels. */
@@ -220,10 +249,14 @@ static void gtk_map_size_request(GtkWidget *widget, GtkRequisition *requisition)
 static void gtk_map_size_allocate(GtkWidget *widget, GtkAllocation *allocate);
 static void gtk_map_realize(GtkWidget *widget);
 static gboolean gtk_map_expose(GtkWidget *widget, GdkEventExpose *event);
-static gboolean gtk_map_configure(GtkWidget *widget, GdkEventConfigure *event);
 
 static void gtk_map_scale_draw(GtkWidget *widget, GdkEventExpose *event);
 static void gtk_map_mark_draw(GtkWidget *widget, GdkEventExpose *event);
+static void gtk_map_speed_draw(GtkWidget *widget, GdkEventExpose *event);
+
+static void gtk_map_render_buffer(GtkWidget *widget, GdkEventExpose *event);
+static void gtk_map_render_markers(GtkWidget *widget, GdkEventExpose *event);
+static void gtk_map_render_paths(GtkWidget *widget, GdkEventExpose *event);
 
 static gboolean gtk_map_update_buffer_size(GtkWidget *widget, gint new_width, gint new_height);
 static void gtk_map_update_size(GtkWidget *widget, gint width, gint height);
@@ -231,17 +264,19 @@ static void gtk_map_update_size(GtkWidget *widget, gint width, gint height);
 static void gtk_map_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
 static void gtk_map_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
 
+static gboolean gtk_map_button_press_cb(GtkWidget *widget, GdkEventButton *event);
+static gboolean gtk_map_button_release_cb(GtkWidget *widget, GdkEventButton *event);
+static gboolean gtk_map_scroll_event_cb(GtkWidget *widget, GdkEventScroll *event); 
+static gboolean gtk_map_motion_notify_cb(GtkWidget *widget, GdkEventMotion *event, gpointer data);
+
+
 /* Signal IDs */
 enum {
        MAP_LOCATION_CHANGED,
-       
-       MAP_ZOOMED_IN,
-       MAP_ZOOMED_OUT,
-
+       MAP_ZOOM_CHANGED,
        MAP_PANNED,
-
+       MAP_CENTER_MODE_CHANGED,
        MARKER_CLICK,
-
        LAST_SIGNAL
 };
 
@@ -267,11 +302,23 @@ object_class->get_property = gtk_map_get_property;
        
 widget_class->size_request = gtk_map_size_request;
 widget_class->expose_event = gtk_map_expose;
-/* widget_class->configure_event = gtk_map_configure; */
 widget_class->realize = gtk_map_realize;
 widget_class->size_allocate = gtk_map_size_allocate;
 
 g_type_class_add_private (object_class, sizeof(GtkMapPriv));
+
+gtk_map_signals[MAP_ZOOM_CHANGED]=g_signal_new("zoom-changed", G_OBJECT_CLASS_TYPE(object_class),
+       G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET(GtkMapClass, zoom_changed),
+       NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
+
+gtk_map_signals[MAP_LOCATION_CHANGED]=g_signal_new("location-changed", G_OBJECT_CLASS_TYPE(object_class),
+       G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET(GtkMapClass, location_changed),
+       NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
+
+gtk_map_signals[MAP_LOCATION_CHANGED]=g_signal_new("center-mode-changed", G_OBJECT_CLASS_TYPE(object_class),
+       G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET(GtkMapClass, center_mode_changed),
+       NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
+
 }
 
 static inline void 
@@ -287,11 +334,9 @@ switch(priv->center_mode) {
                priv->center.unitx = priv->location.unitx;
                priv->center.unity = priv->location.unity;
        break;
+       case CENTER_MANUAL:
        default:
-#if 0
-               priv->center.unitx = center->unitx;
-               priv->center.unity = center->unity;
-#endif
+               /* Do nothing, use priv->center.* */
        break;
 }
 }
@@ -338,16 +383,20 @@ GtkMapPriv *priv;
 g_debug("GTKMAP: %s", __PRETTY_FUNCTION__);
 priv=GTK_MAP_GET_PRIVATE(map);
 
-#ifdef WITH_CAIRO
-priv->ct=gdk_cairo_create(GTK_WIDGET(map)->window);
-#endif
-
-priv->zoom=3;
-priv->center_mode=CENTER_LATLON;
 priv->base_tilex=-5;
 priv->base_tiley=-5;
+
 priv->draw_width=4;
 
+priv->zoom=3;
+priv->min_zoom=0;
+priv->max_zoom=17;
+priv->zoom_to_mouse=TRUE;
+
+priv->center_mode=CENTER_LATLON;
+priv->center.unitx=0;
+priv->center.unity=0;
+
 priv->speed=-1;
 priv->speed_gc=priv->speed_gc1;
 
@@ -360,50 +409,19 @@ priv->show_velvec=TRUE;
 priv->show_markers=TRUE;
 priv->show_location=TRUE;
 
-priv->gl=FALSE;
+priv->button_down=FALSE;
+priv->click_to_center=FALSE;
+priv->zoom_in_on_2button=FALSE;
 
-#ifdef WITH_GL
-priv->gl_config=gdk_gl_config_new_by_mode(GDK_GL_MODE_RGB | GDK_GL_MODE_DEPTH);
-if (priv->gl_config) {
-    g_print("OpenGL version: %s\n", glGetString (GL_VERSION));
-    g_print("OpenGL vendor: %s\n", glGetString (GL_VENDOR));
-    g_print("OpenGL renderer: %s\n", glGetString (GL_RENDERER));
-       gtk_widget_set_gl_capability(map->widget, priv->gl_config, NULL, TRUE, GDK_GL_RGBA_TYPE);
-       priv->gl=TRUE;
-}
-#endif
+priv->rotate_angle=M_PI;
+priv->rotate_view=FALSE;
 
+priv->gl=FALSE;
 priv->buffer=NULL;
-
-gtk_widget_set_extension_events(GTK_WIDGET(map), GDK_EXTENSION_EVENTS_ALL);
-
-gtk_widget_add_events(GTK_WIDGET(map), GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
-       | GDK_LEAVE_NOTIFY_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);
-
-#if 0
-g_signal_connect(G_OBJECT(map), "button_press_event", G_CALLBACK(gtk_map_cb_button_press), NULL);
-#endif
-
 }
 
-static gboolean 
-gtk_map_configure(GtkWidget *widget, GdkEventConfigure *event)
-{
-GtkMap *map;
-GtkMapPriv *priv;
-
-g_return_val_if_fail(GTK_IS_MAP(widget), TRUE);
-map=GTK_MAP(widget);
-priv=GTK_MAP_GET_PRIVATE(map);
-
-g_debug("GTKMAP: %s", __PRETTY_FUNCTION__);
-
-return TRUE;
-}
-
-
 static void
-gtk_map_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+gtk_map_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
 {
 GtkMap *map;
 g_return_if_fail(GTK_IS_MAP(object));
@@ -419,6 +437,7 @@ static void
 gtk_map_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec   *pspec)
 {
 GtkMap *map;
+
 g_return_if_fail(GTK_IS_MAP(object));
 map=GTK_MAP(object);
 switch (prop_id) {
@@ -439,12 +458,19 @@ static void
 gtk_map_finalize(GObject *object)
 {
 GtkMap *map;
+GtkMapPriv *priv;
        
 g_return_if_fail(GTK_IS_MAP(object));
 map=GTK_MAP(object);
+priv=GTK_MAP_GET_PRIVATE(map);
 
 g_debug("GTKMAP: %s", __PRETTY_FUNCTION__);
 
+#ifdef WITH_CAIRO
+if (priv->ct)
+       cairo_destroy(priv->ct);
+#endif
+
 if (GTK_WIDGET(object)->parent && GTK_WIDGET_MAPPED(object)) {
        gtk_widget_unmap(GTK_WIDGET(object));
 }
@@ -466,19 +492,11 @@ priv=GTK_MAP_GET_PRIVATE(map);
 tw=GTK_MAP_TILE_SIZE_PIXELS*((width/GTK_MAP_TILE_SIZE_PIXELS)+2);
 th=GTK_MAP_TILE_SIZE_PIXELS*((height/GTK_MAP_TILE_SIZE_PIXELS)+2);
 
-gtk_map_update_buffer_size(GTK_MAP(widget), tw, th);
+gtk_map_update_buffer_size(widget, tw, th);
 if (!priv->buffer) {
        return;
 }
 
-map->width=width;
-map->height=height;
-
-priv->buf_width_pixels=tw;
-priv->buf_height_pixels=th;
-priv->buf_width_tiles=priv->buf_width_pixels/GTK_MAP_TILE_SIZE_PIXELS;
-priv->buf_height_tiles=priv->buf_height_pixels/GTK_MAP_TILE_SIZE_PIXELS;
-
 priv->screen_width_pixels = width;
 priv->screen_height_pixels = height;
 priv->screen_grids_halfwidth = pixel2grid(priv->screen_width_pixels) / 2;
@@ -510,10 +528,12 @@ widget->allocation = *allocation;
 
 g_debug("GTKMAP: Size allocate (%d, %d)", widget->allocation.width, widget->allocation.height);
 
-if (GTK_WIDGET_REALIZED(widget))
+if (GTK_WIDGET_REALIZED(widget)) {
        gdk_window_move_resize(widget->window, allocation->x, allocation->y, allocation->width, allocation->height);
+       gtk_map_update_size(widget, allocation->width, allocation->height);
+       gtk_map_refresh(widget);
+}
 
-gtk_map_update_size(widget, allocation->width, allocation->height);
 }
 
 static void
@@ -526,11 +546,8 @@ g_return_if_fail(requisition != NULL);
        
 map=GTK_MAP(widget);
 
-g_debug("GTKMAP: Size request");
-       
 requisition->width=GTK_MAP_TILE_SIZE_PIXELS/2;
 requisition->height=GTK_MAP_TILE_SIZE_PIXELS/2;
-gtk_map_update_size(widget, requisition->width, requisition->height);
 }
 
 static gboolean
@@ -547,15 +564,16 @@ priv=GTK_MAP_GET_PRIVATE(map);
 
 g_debug("GTKMAP: %s (%d, %d)", __PRETTY_FUNCTION__, new_width, new_height);
 
-if (priv->buffer==NULL) {
-       priv->buffer=gdk_pixmap_new(widget->window, 
-               new_width<GTK_MAP_TILE_SIZE_PIXELS ? GTK_MAP_TILE_SIZE_PIXELS : new_width, 
-               new_height<GTK_MAP_TILE_SIZE_PIXELS ? GTK_MAP_TILE_SIZE_PIXELS : new_height, -1);
-       return TRUE;
-} else if (new_width>priv->buf_width_pixels || new_height>priv->buf_height_pixels || 
-               new_width<priv->buf_width_pixels-(GTK_MAP_TILE_SIZE_PIXELS*2) || new_height<priv->buf_height_pixels-(GTK_MAP_TILE_SIZE_PIXELS*2) ) {
-       g_object_unref(priv->buffer);
-       priv->buffer=gdk_pixmap_new(widget->window, new_width, new_height, -1);
+if ( (priv->buffer==NULL) || (new_width>priv->buf_width_pixels || new_height>priv->buf_height_pixels || new_width<priv->buf_width_pixels-(GTK_MAP_TILE_SIZE_PIXELS*2) || new_height<priv->buf_height_pixels-(GTK_MAP_TILE_SIZE_PIXELS*2) )) {
+       priv->buf_width_pixels=new_width<GTK_MAP_TILE_SIZE_PIXELS ? GTK_MAP_TILE_SIZE_PIXELS : new_width;
+       priv->buf_height_pixels=new_height<GTK_MAP_TILE_SIZE_PIXELS ? GTK_MAP_TILE_SIZE_PIXELS : new_height;
+       priv->buf_width_tiles=priv->buf_width_pixels/GTK_MAP_TILE_SIZE_PIXELS;
+       priv->buf_height_tiles=priv->buf_height_pixels/GTK_MAP_TILE_SIZE_PIXELS;
+       if (priv->buffer)
+               g_object_unref(priv->buffer);
+       priv->buffer=gdk_pixmap_new(widget->window, priv->buf_width_pixels, priv->buf_height_pixels, -1);
+       if (priv->buffer)
+               gdk_draw_rectangle(priv->buffer, widget->style->black_gc, TRUE, 0, 0, priv->buf_width_pixels, priv->buf_height_pixels);
        return TRUE;
 }
 return FALSE;
@@ -584,7 +602,7 @@ attributes.width=widget->allocation.width;
 attributes.height=widget->allocation.height;
 
 attributes.wclass=GDK_INPUT_OUTPUT;
-attributes.event_mask=gtk_widget_get_events(widget) | GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK;
+attributes.event_mask=gtk_widget_get_events(widget) | GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK;
 attributes_mask=GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 
 attributes.visual=gtk_widget_get_visual(widget);
@@ -597,6 +615,19 @@ gdk_window_set_user_data(widget->window, widget);
 widget->style=gtk_style_attach(widget->style, widget->window);
 gtk_style_set_background(widget->style, widget->window, GTK_STATE_NORMAL);
 
+gtk_widget_set_extension_events(widget, GDK_EXTENSION_EVENTS_ALL);
+
+#ifdef WITH_GL
+priv->gl_config=gdk_gl_config_new_by_mode(GDK_GL_MODE_RGB | GDK_GL_MODE_DEPTH);
+if (priv->gl_config) {
+    g_print("OpenGL version: %s\n", glGetString (GL_VERSION));
+    g_print("OpenGL vendor: %s\n", glGetString (GL_VENDOR));
+    g_print("OpenGL renderer: %s\n", glGetString (GL_RENDERER));
+       gtk_widget_set_gl_capability(widget, priv->gl_config, NULL, TRUE, GDK_GL_RGBA_TYPE);
+       priv->gl=TRUE;
+}
+#endif
+
 priv->scale_context=gtk_widget_get_pango_context(widget);
 priv->scale_layout=pango_layout_new(priv->scale_context);
 priv->scale_font=pango_font_description_new();
@@ -617,12 +648,85 @@ color.green=0x1000;
 color.blue=0;
 gdk_gc_set_rgb_fg_color(priv->speed_gc2, &color);
 
+priv->gc_track=gdk_gc_new(widget->window);
+color.red=0xffff;
+color.green=0;
+color.blue=0;
+gdk_gc_set_rgb_fg_color(priv->gc_track, &color);
+
+priv->gc_route=gdk_gc_new(widget->window);
+color.red=0;
+color.green=0xffff;
+color.blue=0;
+gdk_gc_set_rgb_fg_color(priv->gc_route, &color);
+
+priv->gc_waypoint=gdk_gc_new(widget->window);
+color.red=0xffff;
+color.green=0xffff;
+color.blue=0;
+gdk_gc_set_rgb_fg_color(priv->gc_waypoint, &color);
+
+priv->gc_break=gdk_gc_new(widget->window);
+color.red=0xffff;
+color.green=0;
+color.blue=0xffff;
+gdk_gc_set_rgb_fg_color(priv->gc_break, &color);
+
 priv->speed_context=gtk_widget_get_pango_context(widget);
 priv->speed_layout=pango_layout_new(priv->speed_context);
 priv->speed_font=pango_font_description_new();
 pango_font_description_set_size(priv->speed_font, 48 * PANGO_SCALE);
 pango_layout_set_font_description(priv->speed_layout, priv->speed_font);
 pango_layout_set_alignment(priv->speed_layout, PANGO_ALIGN_LEFT);
+
+g_signal_connect(G_OBJECT(map), "button_press_event", G_CALLBACK(gtk_map_button_press_cb), NULL);
+g_signal_connect(G_OBJECT(map), "button_release_event",G_CALLBACK(gtk_map_button_release_cb), NULL);
+g_signal_connect(G_OBJECT(map), "scroll_event",  G_CALLBACK(gtk_map_scroll_event_cb), NULL);
+g_signal_connect(G_OBJECT(map), "motion_notify_event", G_CALLBACK(gtk_map_motion_notify_cb), NULL);
+
+gtk_widget_queue_resize(widget);
+}
+
+static void 
+gtk_map_render_buffer(GtkWidget *widget, GdkEventExpose *event)
+{
+GtkMap *map;
+GtkMapPriv *priv;
+
+g_return_if_fail(GTK_IS_MAP(widget));
+g_return_if_fail(event != NULL);
+
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
+
+if (!priv->buffer)
+       return
+
+g_debug("GTKMAP: expose (%d, %d)-(%d, %d)", event->area.x, event->area.y, event->area.width, event->area.height);
+g_debug("GTKMAP: expose (%d, %d)", event->area.x + priv->offsetx, event->area.y + priv->offsety);
+g_debug("GTKMAP: expose (%d, %d)", unit2x(priv->center.unitx), unit2y(priv->center.unity));
+
+#ifdef WITH_CAIROa
+cairo_save(priv->ct);
+cairo_rectangle(priv->ct, event->area.x, event->area.y, event->area.width, event->area.height);
+cairo_clip(priv->ct);
+#if 0
+if (priv->rotate_view) {
+       cairo_translate(priv->ct, (gdouble)-unit2x(priv->center.unitx), (gdouble)-unit2y(priv->center.unity) );
+       cairo_rotate(priv->ct, (gdouble)priv->rotate_angle);
+       cairo_translate(priv->ct, (gdouble)unit2x(priv->center.unitx), (gdouble)unit2y(priv->center.unity) );
+}
+#endif
+cairo_translate(priv->ct, -(event->area.x+priv->offsetx), -(event->area.y+priv->offsety));
+gdk_cairo_set_source_pixmap(priv->ct, priv->buffer, event->area.x, event->area.y);
+cairo_set_operator (priv->ct, CAIRO_OPERATOR_SOURCE);
+cairo_paint(priv->ct);
+cairo_restore(priv->ct);
+#else
+gdk_draw_drawable(widget->window, widget->style->fg_gc[GTK_STATE_NORMAL], priv->buffer,
+       event->area.x + priv->offsetx, event->area.y + priv->offsety,
+       event->area.x, event->area.y, event->area.width, event->area.height);
+#endif
 }
 
 static gboolean
@@ -637,22 +741,20 @@ g_return_val_if_fail(event != NULL, FALSE);
 map=GTK_MAP(widget);
 priv=GTK_MAP_GET_PRIVATE(map);
 
-g_debug("GTKMAP: expose (%d, %d)-(%d, %d)", event->area.x, event->area.y, event->area.width, event->area.height);
+#ifdef WITH_CAIRO
+priv->ct=gdk_cairo_create(widget->window);
+#endif
 
-if (priv->buffer)
-       gdk_draw_drawable(widget->window, widget->style->fg_gc[GTK_STATE_NORMAL], priv->buffer,
-               event->area.x + priv->offsetx, event->area.y + priv->offsety,
-               event->area.x, event->area.y, event->area.width, event->area.height);
+gtk_map_render_buffer(widget, event);
 
-#if 0
-gtk_map_paths_draw(widget, event);
+if (priv->show_paths!=0)
+       gtk_map_render_paths(widget, event);
 
 if (priv->show_markers)
-       gtk_map_markers_draw(widget, event);
+       gtk_map_render_markers(widget, event);
 
 if (priv->show_speed)
        gtk_map_speed_draw(widget, event);
-#endif
 
 if (priv->show_location)
        gtk_map_mark_draw(widget, event);
@@ -660,6 +762,156 @@ if (priv->show_location)
 if (priv->show_scale)
        gtk_map_scale_draw(widget, event);
 
+#ifdef WITH_CAIRO
+cairo_destroy(priv->ct);
+priv->ct=NULL;
+#endif
+
+return TRUE;
+}
+
+static void 
+gtk_map_render_markers(GtkWidget *widget, GdkEventExpose *event)
+{
+
+}
+
+static void
+gtk_map_render_waypoint(GtkWidget *widget, guint x1, guint y1)
+{
+GtkMap *map;
+GtkMapPriv *priv;
+GdkGC *gc;
+
+g_return_if_fail(GTK_IS_MAP(widget));
+
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
+
+gc=priv->gc_waypoint;
+
+if ((x1 > priv->buf_width_pixels) || (y1 > priv->buf_height_pixels))
+       return;
+gdk_draw_arc(widget->window, gc, FALSE, x1 - priv->draw_width, y1 - priv->draw_width, 2 * priv->draw_width, 2 * priv->draw_width, 0, 360 * 64);
+}
+
+static void
+gtk_map_render_path_segment(GtkWidget *widget, guint unitx1, guint unity1, guint unitx2, guint unity2)
+{
+GtkMap *map;
+GtkMapPriv *priv;
+GdkGC *gc;
+gint x1, y1, x2, y2;
+
+g_return_if_fail(GTK_IS_MAP(widget));
+
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
+
+x1=unit2bufx(unitx1);
+y1=unit2bufy(unity1);
+x2=unit2bufx(unitx2);
+y2=unit2bufy(unity2);
+
+/* Make sure this line could possibly be visible. */
+if (!((x1 > priv->buf_width_pixels && x2 > priv->buf_width_pixels) || (x1 < 0 && x2 < 0)
+      || (y1 > priv->buf_height_pixels && y2 > priv->buf_height_pixels) || (y1 < 0 && y2 < 0))) {
+       gc=priv->gc_track;
+       gdk_draw_line(widget->window, gc, x1, y1, x2, y2);
+}
+}
+
+static void
+gtk_map_render_path(GtkWidget *widget, Path *path, GdkEventExpose *event)
+{
+GtkMap *map;
+GtkMapPriv *priv;
+Point *curr;
+WayPoint *wcurr;
+
+g_return_if_fail(path);
+
+if (path->head==path->tail)
+       return;
+
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
+
+for (curr = path->head, wcurr = path->whead; curr++ != path->tail;) {
+       /* Draw the line from (curr - 1) to (curr). */
+
+       gtk_map_render_path_segment(widget, curr[-1].unitx, curr[-1].unity, curr->unitx, curr->unity);
+       /* Now, check if curr is a waypoint. */
+       if (wcurr && wcurr <= path->wtail && wcurr->point == curr) {
+               guint x1 = unit2bufx(wcurr->point->unitx);
+               guint y1 = unit2bufy(wcurr->point->unity);
+
+               gtk_map_render_waypoint(widget, x1, y1);
+               wcurr++;
+       }
+}
+#if 0
+if (path->type==PATH_TYPE_ROUTE)
+       gtk_map_render_next_waypoint(widget, path);
+#endif
+}
+
+static void 
+gtk_map_render_paths(GtkWidget *widget, GdkEventExpose *event)
+{
+GtkMap *map;
+GtkMapPriv *priv;
+GSList *iter;
+
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
+
+/* No paths defined so return */
+if (!priv->paths)
+       return;
+
+for (iter=priv->paths; iter!=NULL; iter=iter->next) {
+       Path *p=(Path *)iter->data;
+
+       if ( (!(priv->show_paths & ROUTES_MASK) && p->type==PATH_TYPE_ROUTE) || 
+                       (!(priv->show_paths & TRACKS_MASK) && p->type==PATH_TYPE_ROUTE) )
+               continue;
+
+       gtk_map_render_path(widget, p, event);
+}
+}
+
+gboolean
+gtk_map_add_path(GtkWidget *widget, Path *path)
+{
+GtkMap *map;
+GtkMapPriv *priv;
+
+g_return_val_if_fail(GTK_IS_MAP(widget), FALSE);
+g_return_val_if_fail(path, FALSE);
+
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
+
+/* Don't allow duplicates */
+if (g_slist_find(priv->paths, path)!=NULL)
+       return FALSE;
+priv->paths=g_slist_append(priv->paths, path);
+return TRUE;
+}
+
+gboolean
+gtk_map_remove_path(GtkWidget *widget, Path *path)
+{
+GtkMap *map;
+GtkMapPriv *priv;
+
+g_return_val_if_fail(GTK_IS_MAP(widget), FALSE);
+g_return_val_if_fail(path, FALSE);
+
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
+priv->paths=g_slist_remove(priv->paths, path);
 return TRUE;
 }
 
@@ -677,32 +929,32 @@ g_debug("GTKMAP: %s", __PRETTY_FUNCTION__);
 if (!gdk_rectangle_intersect(&event->area, &priv->mark_rect, NULL))
        return;
 
+return;
+
 #ifdef WITH_CAIRO
-cairo_arc(priv->ct, priv->mark_x1, priv->marky1, priv->draw_width*2, 0, 2 * M_PI);
+cairo_save(priv->ct);
+cairo_arc(priv->ct, priv->mark_x1, priv->mark_y1, priv->draw_width*2, 0, 2 * M_PI);
 cairo_set_source_rgb(priv->ct, 1, 1, 1);
 cairo_fill_preserve(priv->ct);
-cairo_set_source_rgb(priv->ct, 0, 0, 0);
+cairo_set_source_rgba(priv->ct, 0.2, 0.2, 0.8, 0.7);
 if (priv->show_velvec) {
        cairo_save(priv->ct);
        cairo_set_line_width(priv->ct, priv->draw_width);
-       cairo_move_to(priv->ct, priv->mark_x1, priv->marky1);
-       cairo_line_to(priv->ct, priv->mark_x2, priv->marky2);
+       cairo_move_to(priv->ct, priv->mark_x1, priv->mark_y1);
+       cairo_line_to(priv->ct, priv->mark_x2, priv->mark_y2);
        cairo_restore(priv->ct);
 }
 cairo_stroke(priv->ct);
+cairo_restore(priv->ct);
 #else
-gdk_draw_arc(widget->window,
-       priv->gc_mark,
-       FALSE,
+gdk_draw_arc(widget->window, priv->gc_mark, FALSE,
        priv->mark_x1 - priv->draw_width,
        priv->mark_y1 - priv->draw_width,
-       2 * priv->draw_width,
-       2 * priv->draw_width,
+       2 * priv->draw_width, 2 * priv->draw_width,
        0, 360 * 64);
 
 if (priv->show_velvec)
-       gdk_draw_line(widget->window, 
-               priv->gc_velvec,
+       gdk_draw_line(widget->window, priv->gc_velvec,
                priv->mark_x1, priv->mark_y1, 
                priv->mark_x2, priv->mark_y2);
 #endif
@@ -728,6 +980,8 @@ priv->mark_rect.width = abs(priv->mark_x1 - priv->mark_x2) + (4 * priv->draw_wid
 priv->mark_rect.height = abs(priv->mark_y1 - priv->mark_y2) + (4 * priv->draw_width);
 }
 
+#define SCALE_PADDING (4)
+
 static void 
 gtk_map_scale_draw(GtkWidget *widget, GdkEventExpose *event)
 {
@@ -751,17 +1005,9 @@ priv->scale_rect.y = priv->screen_height_pixels - priv->scale_rect.height - 1;
 if (!gdk_rectangle_intersect(&event->area, &priv->scale_rect, NULL))
        return;
 
-gdk_draw_rectangle(widget->window, widget->style->bg_gc[GTK_WIDGET_STATE(widget)],
-          TRUE, priv->scale_rect.x, priv->scale_rect.y,
-          priv->scale_rect.width, priv->scale_rect.height);
-
-gdk_draw_rectangle(widget->window, widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
-          FALSE, priv->scale_rect.x, priv->scale_rect.y,
-          priv->scale_rect.width, priv->scale_rect.height);
-
 /* Now calculate and draw the distance. */
-unit2latlon(priv->center.unitx - pixel2unit(SCALE_WIDTH / 2 - 4), priv->center.unity, lat1, lon1);
-unit2latlon(priv->center.unitx + pixel2unit(SCALE_WIDTH / 2 - 4), priv->center.unity, lat2, lon2);
+unit2latlon(priv->center.unitx - pixel2unit(SCALE_WIDTH / 2 - SCALE_PADDING), priv->center.unity, lat1, lon1);
+unit2latlon(priv->center.unitx + pixel2unit(SCALE_WIDTH / 2 - SCALE_PADDING), priv->center.unity, lat2, lon2);
 distance=calculate_distance(lat1, lon1, lat2, lon2) * priv->units_conv;
 
 if (distance < 1.f)
@@ -773,40 +1019,58 @@ else
 
 g_debug("SCALE: %s", buffer);
 
+#ifdef WITH_CAIRO
+cairo_save(priv->ct);
+cairo_rectangle(priv->ct, priv->scale_rect.x, priv->scale_rect.y, priv->scale_rect.width, priv->scale_rect.height);
+cairo_set_source_rgba(priv->ct, 1, 1, 1, 0.65);
+cairo_fill_preserve(priv->ct);
+cairo_set_source_rgba(priv->ct, 0, 0, 0, 0.81);
+#else
+gdk_draw_rectangle(widget->window, widget->style->bg_gc[GTK_WIDGET_STATE(widget)],
+          TRUE, priv->scale_rect.x, priv->scale_rect.y, priv->scale_rect.width, priv->scale_rect.height);
+gdk_draw_rectangle(widget->window, widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
+          FALSE, priv->scale_rect.x, priv->scale_rect.y, priv->scale_rect.width, priv->scale_rect.height);
+#endif
+
 pango_layout_set_text(priv->scale_layout, buffer, -1);
 pango_layout_get_pixel_size(priv->scale_layout, &width, NULL);
 
+/* Draw little hashes on the ends. */
+#ifdef WITH_CAIRO
+cairo_set_source_rgb(priv->ct, 0, 0, 0);
+cairo_move_to(priv->ct, priv->scale_rect.x + SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2 - SCALE_PADDING);
+cairo_line_to(priv->ct, priv->scale_rect.x + SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2 + SCALE_PADDING);
+
+cairo_move_to(priv->ct, priv->scale_rect.x + SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2);
+cairo_line_to(priv->ct, priv->scale_rect.x + (priv->scale_rect.width - width) / 2 - SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2);
+
+cairo_move_to(priv->ct, priv->scale_rect.x + priv->scale_rect.width - SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2 - SCALE_PADDING);
+cairo_line_to(priv->ct, priv->scale_rect.x + priv->scale_rect.width - SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2 + SCALE_PADDING);
+
+cairo_move_to(priv->ct, priv->scale_rect.x + priv->scale_rect.width - SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2);
+cairo_line_to(priv->ct, priv->scale_rect.x + (priv->scale_rect.width + width) / 2 + SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2);
+
+cairo_stroke(priv->ct);
+cairo_restore(priv->ct);
+#else
+gdk_draw_line(widget->window, widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
+           priv->scale_rect.x + SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2 - SCALE_PADDING,
+           priv->scale_rect.x + SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2 + SCALE_PADDING);
+gdk_draw_line(widget->window, widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
+               priv->scale_rect.x + SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2,
+           priv->scale_rect.x + (priv->scale_rect.width - width) / 2 - SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2);
+gdk_draw_line(widget->window, widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
+           priv->scale_rect.x + priv->scale_rect.width - SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2 - SCALE_PADDING,
+           priv->scale_rect.x + priv->scale_rect.width - SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2 + SCALE_PADDING);
+gdk_draw_line(widget->window, widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
+           priv->scale_rect.x + priv->scale_rect.width - SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2,
+           priv->scale_rect.x + (priv->scale_rect.width + width) / 2 + SCALE_PADDING, priv->scale_rect.y + priv->scale_rect.height / 2);
+#endif
+
 /* Draw the layout itself. */
-gdk_draw_layout(widget->window,
-               widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
-               priv->scale_rect.x + (priv->scale_rect.width - width) / 2,
-               priv->scale_rect.y, priv->scale_layout);
+gdk_draw_layout(widget->window,        widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
+               priv->scale_rect.x + (priv->scale_rect.width - width) / 2, priv->scale_rect.y, priv->scale_layout);
 
-/* Draw little hashes on the ends. */
-gdk_draw_line(widget->window,
-           widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
-           priv->scale_rect.x + 4,
-           priv->scale_rect.y + priv->scale_rect.height / 2 - 4,
-           priv->scale_rect.x + 4,
-           priv->scale_rect.y + priv->scale_rect.height / 2 + 4);
-gdk_draw_line(widget->window,
-           widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
-               priv->scale_rect.x + 4,
-           priv->scale_rect.y + priv->scale_rect.height / 2,
-           priv->scale_rect.x + (priv->scale_rect.width - width) / 2 - 4,
-           priv->scale_rect.y + priv->scale_rect.height / 2);
-gdk_draw_line(widget->window,
-           widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
-           priv->scale_rect.x + priv->scale_rect.width - 4,
-           priv->scale_rect.y + priv->scale_rect.height / 2 - 4,
-           priv->scale_rect.x + priv->scale_rect.width - 4,
-           priv->scale_rect.y + priv->scale_rect.height / 2 + 4);
-gdk_draw_line(widget->window,
-           widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
-           priv->scale_rect.x + priv->scale_rect.width - 4,
-           priv->scale_rect.y + priv->scale_rect.height / 2,
-           priv->scale_rect.x + (priv->scale_rect.width + width) / 2 + 4,
-           priv->scale_rect.y + priv->scale_rect.height / 2);
 }
 
 static void
@@ -843,7 +1107,7 @@ if (priv->speed<0)
        return;
 
 g_snprintf(buffer, sizeof(buffer), "%0.0f %s", priv->speed * priv->units_conv, priv->units_str);
-map_information_text(10, 10, priv->speed_gc, buffer);
+gtk_map_information_text(widget, 10, 10, priv->speed_gc, buffer);
 }
 
 void
@@ -919,12 +1183,75 @@ gtk_map_tile_load(GtkWidget *widget, guint tilex, guint tiley, gint zoff, gboole
 {
 GtkMap *map;
 GtkMapPriv *priv;
+GdkPixbuf *pixbuf;
+GError *error = NULL;
+gchar buffer[BUFFER_SIZE];
+gchar key[BUFFER_SIZE];
+struct stat tstat;
+gint se;
 
 g_return_val_if_fail(GTK_IS_MAP(widget), FALSE);
 map=GTK_MAP(widget);
 priv=GTK_MAP_GET_PRIVATE(map);
 
-return NULL;
+g_snprintf(buffer, sizeof(buffer), "%s/%u/%u/%u.jpg", priv->curr_repo->cache_dir, priv->zoom + zoff, (tilex >> zoff), (tiley >> zoff));
+g_snprintf(key, sizeof(key), "%s/%u/%u/%u", priv->curr_repo->cache_dir, priv->zoom + zoff, (tilex >> zoff), (tiley >> zoff));
+
+g_debug("LOAD: %u, %u @ (%d+%d): %s", tilex, tiley, priv->zoom, zoff, buffer);
+
+pixbuf=image_cache_get(priv->icache, key, buffer);
+if (!pixbuf) {
+#if 0
+       g_unlink(buffer);
+
+       if (_auto_download && _curr_repo->type != REPOTYPE_NONE && !((_zoom + zoff - (_curr_repo->double_size ? 1 : 0)) % _curr_repo->dl_zoom_steps)) {
+               if (download)
+                       map_initiate_download(tilex >> zoff, tiley >> zoff, _zoom + zoff, -INITIAL_DOWNLOAD_RETRIES);
+       }
+#endif
+       return NULL;
+}
+
+g_object_ref(pixbuf);
+
+#if 0
+/* Check if we need to trim. */
+if (gdk_pixbuf_get_width(pixbuf) != TILE_SIZE_PIXELS || gdk_pixbuf_get_height(pixbuf) != TILE_SIZE_PIXELS)
+       pixbuf=pixbuf_trim(pixbuf);
+#endif
+
+#if 0
+/* Check tile age, if file date is ower a week old, redownload if autodownload enabled */
+se=stat(buffer, &tstat);
+if (se==0) {
+       time_t t;
+       t=time(NULL);
+       if (t-tstat.st_mtime>TILE_MAX_AGE) {
+               if (_auto_download && _curr_repo->type != REPOTYPE_NONE && !((_zoom + zoff - (_curr_repo->double_size ? 1 : 0)) % _curr_repo->dl_zoom_steps)) {
+                       if (download) {
+                               g_debug("Tile: %s is old, re-downloading\n", buffer);
+                               map_initiate_download(tilex >> zoff, tiley >> zoff, _zoom + zoff, -INITIAL_DOWNLOAD_RETRIES);
+                               image_cache_invalidate(map_ic, key);
+                       }
+               }
+       }
+}
+#endif
+
+return pixbuf;
+}
+
+void 
+gtk_map_set_tile_repository(GtkWidget *widget, RepoData *rd)
+{
+GtkMap *map;
+GtkMapPriv *priv;
+
+g_return_if_fail(GTK_IS_MAP(widget));
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
+
+priv->curr_repo=rd;
 }
 
 static gboolean
@@ -939,6 +1266,9 @@ g_return_val_if_fail(GTK_IS_MAP(widget), FALSE);
 map=GTK_MAP(widget);
 priv=GTK_MAP_GET_PRIVATE(map);
 
+g_debug("RT: %u %u (%u) %u %u (%u, %u)", tilex, tiley, 
+       priv->world_size_tiles, destx, desty, priv->buf_width_tiles, priv->buf_height_tiles);
+
 g_return_val_if_fail(priv->buffer, FALSE);
 g_return_val_if_fail(priv->curr_repo, FALSE);
 
@@ -948,8 +1278,6 @@ if (destx > priv->buf_width_pixels || desty > priv->buf_height_pixels)
 if (tilex > priv->world_size_tiles || tiley > priv->world_size_tiles)
        return FALSE;
 
-/* g_debug("MAP RT: %u %u (%u) %u %u (%u, %u)", tilex, tiley, priv->world_size_tiles, destx, desty, buf_width_tiles, buf_height_tiles); */
-
 for (zoff = (priv->curr_repo->double_size ? 1 : 0); !pixbuf && (priv->zoom + zoff) <= priv->max_zoom && zoff <= GTK_MAP_TILE_SIZE_P2; zoff += 1) {
        pixbuf=gtk_map_tile_load(map, tilex, tiley, zoff, !fast_fail);
        if (!pixbuf) {
@@ -984,12 +1312,15 @@ gdk_draw_rectangle(priv->buffer,
 return TRUE;
 }
 
-gboolean
-gtk_map_set_center(GtkWidget *widget, guint new_center_unitx, guint new_center_unity)
+void
+gtk_map_set_center(GtkWidget *widget, guint unitx, guint unity)
 {
 GtkMap *map;
 GtkMapPriv *priv;
 GtkStyle *style;
+gint new_base_tilex, new_base_tiley;
+guint new_x, new_y;
+guint j, k, base_new_x, base_old_x, old_x, old_y, iox, ioy;
 
 g_return_val_if_fail(GTK_IS_MAP(widget), FALSE);
 
@@ -997,16 +1328,14 @@ map=GTK_MAP(widget);
 priv=GTK_MAP_GET_PRIVATE(map);
 style=widget->style;
 
-gint new_base_tilex, new_base_tiley;
-guint new_x, new_y;
-guint j, k, base_new_x, base_old_x, old_x, old_y, iox, ioy;
+priv->center_mode=CENTER_MANUAL;
 
 /* Assure that _center.unitx/y are bounded. */
-BOUND(new_center_unitx, priv->min_center.unitx, priv->max_center.unitx);
-BOUND(new_center_unity, priv->min_center.unity, priv->max_center.unity);
+BOUND(unitx, priv->min_center.unitx, priv->max_center.unitx);
+BOUND(unity, priv->min_center.unity, priv->max_center.unity);
 
-priv->center.unitx = new_center_unitx;
-priv->center.unity = new_center_unity;
+priv->center.unitx = unitx;
+priv->center.unity = unity;
 
 new_base_tilex = grid2tile((gint) pixel2grid((gint)unit2pixel((gint) priv->center.unitx)) - (gint)priv->screen_grids_halfwidth);
 new_base_tiley = grid2tile(pixel2grid(unit2pixel(priv->center.unity)) - priv->screen_grids_halfheight);
@@ -1073,19 +1402,48 @@ if (new_base_tilex != priv->base_tilex || new_base_tiley != priv->base_tiley) {
 
 gtk_map_recalc_offset(priv);
 gtk_map_recalc_focus_base(priv);
+gtk_map_refresh(widget);
+g_signal_emit(widget, gtk_map_signals[MAP_LOCATION_CHANGED], 0, priv->zoom);
+}
+
+void
+gtk_map_set_center_latlon(GtkWidget *widget, gdouble lat, gdouble lon)
+{
+guint unitx, unity;
 
-gtk_map_refresh(map);
+latlon2unit(lat, lon, unitx, unity);
+gtk_map_set_center(widget, unitx, unity);
 }
 
 void
-gtk_map_refresh(GtkWidget *widget)
+gtk_map_pan(GtkWidget *widget, gint delta_x, gint delta_y)
 {
 GtkMap *map;
+GtkMapPriv *priv;
 
 g_return_if_fail(GTK_IS_MAP(widget));
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
 
+gtk_map_set_center(widget, priv->center.unitx + delta_x*GTK_MAP_PAN_UNITS, priv->center.unity + delta_y*GTK_MAP_PAN_UNITS);
+}
+
+void
+gtk_map_refresh(GtkWidget *widget)
+{
+GtkMap *map;
+GtkMapPriv *priv;
+guint x, y;
+
+g_return_if_fail(GTK_IS_MAP(widget));
 map=GTK_MAP(widget);
-gtk_widget_queue_draw_area(widget, 0, 0, map->width, map->height);
+priv=GTK_MAP_GET_PRIVATE(map);
+
+for (y = 0; y < priv->buf_height_tiles; ++y)
+       for (x = 0; x < priv->buf_width_tiles; ++x)
+               gtk_map_render_tile(map, priv->base_tilex + x, priv->base_tiley + y, x * GTK_MAP_TILE_SIZE_PIXELS, y * GTK_MAP_TILE_SIZE_PIXELS, FALSE);
+
+gtk_widget_queue_draw(widget);
 }
 
 gint 
@@ -1113,13 +1471,19 @@ g_return_val_if_fail(GTK_IS_MAP(widget), FALSE);
 map=GTK_MAP(widget);
 priv=GTK_MAP_GET_PRIVATE(map);
 
+g_debug("GTKMAP: zoom %d", new_zoom);
+
 if (new_zoom > (priv->max_zoom - 1))
        return FALSE;
 
 if (new_zoom == priv->zoom)
        return FALSE;
 
-priv->zoom = new_zoom / priv->curr_repo->view_zoom_steps * priv->curr_repo->view_zoom_steps;
+if (priv->curr_repo)
+       priv->zoom = new_zoom / priv->curr_repo->view_zoom_steps * priv->curr_repo->view_zoom_steps;
+else
+       priv->zoom = new_zoom;
+
 priv->world_size_tiles = unit2tile(GTK_MAP_WORLD_SIZE_UNITS);
 
 /* If we're leading, update the center to reflect new zoom level. */
@@ -1142,7 +1506,8 @@ gtk_map_recalc_offset(priv);
 gtk_map_recalc_focus_base(priv);
 gtk_map_recalc_focus_size(priv);
 
-gtk_map_refresh(GTK_WIDGET(map));
+gtk_map_refresh(widget);
+g_signal_emit(widget, gtk_map_signals[MAP_ZOOM_CHANGED], 0, priv->zoom);
 
 return TRUE;
 }
@@ -1195,3 +1560,103 @@ if (cache_size>512)
        cache_size=512;
 image_cache_set_size(priv->icache, cache_size);
 }
+
+/******************************************************************************/
+/* Internal widget callback handlers                                          */
+/******************************************************************************/
+
+/**
+ * Mouse scroller zoom in/out callback
+ */
+static gboolean
+gtk_map_scroll_event_cb(GtkWidget *widget, GdkEventScroll *event)
+{
+GtkMap *map;
+GtkMapPriv *priv;
+
+g_return_val_if_fail(GTK_IS_MAP(widget), FALSE);
+
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
+gtk_map_zoom(widget, event->direction==GDK_SCROLL_UP ? -1 : 1);
+if (priv->zoom_to_mouse)
+       gtk_map_set_center(widget, x2unit((gint) (event->x + 0.5)), y2unit((gint) (event->y + 0.5)));
+return FALSE;
+}
+
+static gboolean 
+gtk_map_motion_notify_cb(GtkWidget *widget, GdkEventMotion *event, gpointer data)
+{
+GtkMap *map;
+GtkMapPriv *priv;
+
+g_return_val_if_fail(GTK_IS_MAP(widget), FALSE);
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
+
+priv->mouse_x=(gint)event->x;
+priv->mouse_y=(gint)event->y;
+unit2latlon(x2unit((gint) (event->x+0.5)), y2unit((gint) (event->y+0.5)), priv->mouse_lat, priv->mouse_lon);
+
+g_debug("MOUSE: %d,%d (%f,%f)", priv->mouse_x, priv->mouse_y, priv->mouse_lat, priv->mouse_lon);
+
+return FALSE;
+}
+
+static gboolean
+gtk_map_button_press_cb(GtkWidget *widget, GdkEventButton *event)
+{
+GtkMap *map;
+GtkMapPriv *priv;
+
+g_return_val_if_fail(GTK_IS_MAP(widget), FALSE);
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
+
+switch (event->button) {
+case 1:
+       priv->button_down=TRUE;
+       if (priv->click_to_center) {
+               gtk_map_set_center(widget, x2unit((gint) (event->x+0.5)), y2unit((gint) (event->y+0.5)));
+               return FALSE;
+       } else if (event->type==GDK_2BUTTON_PRESS) {
+               gtk_map_set_center(widget, x2unit((gint) (event->x+0.5)), y2unit((gint) (event->y+0.5)));
+               if (priv->zoom_in_on_2button)
+                       gtk_map_zoom_in(widget);
+               return FALSE;
+       }
+break;
+case 2:
+
+break;
+case 3:
+       if (priv->menu)
+               gtk_menu_popup(GTK_MENU(priv->menu), NULL, NULL, NULL, NULL, event->button, gtk_get_current_event_time());
+break;
+}
+return FALSE;
+}
+
+static gboolean
+gtk_map_button_release_cb(GtkWidget *widget, GdkEventButton *event)
+{
+GtkMap *map;
+GtkMapPriv *priv;
+
+g_return_val_if_fail(GTK_IS_MAP(widget), FALSE);
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
+
+switch (event->button) {
+case 1:
+       priv->button_down=FALSE;
+break;
+case 2:
+
+break;
+case 3:
+
+break;
+}
+return FALSE;
+}