Diff of /trunk/src/osm-gps-map.c

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revision 55 by harbaum, Thu Aug 13 12:01:52 2009 UTC revision 91 by harbaum, Tue Sep 1 19:55:49 2009 UTC
# Line 49  Line 49 
49    
50  #define EXTRA_BORDER (TILESIZE / 2)  #define EXTRA_BORDER (TILESIZE / 2)
51    
52    #define OSM_GPS_MAP_SCROLL_STEP 10
53    
54    /* any defined key enables key support */
55    #if (defined(OSM_GPS_MAP_KEY_FULLSCREEN) || \
56         defined(OSM_GPS_MAP_KEY_ZOOMIN) || \
57         defined(OSM_GPS_MAP_KEY_ZOOMOUT) || \
58         defined(OSM_GPS_MAP_KEY_UP) || \
59         defined(OSM_GPS_MAP_KEY_DOWN) || \
60         defined(OSM_GPS_MAP_KEY_LEFT) || \
61         defined(OSM_GPS_MAP_KEY_RIGHT))
62    #define OSM_GPS_MAP_KEYS
63    #endif
64    
65    #ifdef OSM_GPS_MAP_KEYS
66    #include <gdk/gdkkeysyms.h>
67    #endif
68    
69    #define USER_AGENT "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11"
70    
71  struct _OsmGpsMapPrivate  struct _OsmGpsMapPrivate
72  {  {
73      GHashTable *tile_queue;      GHashTable *tile_queue;
# Line 78  struct _OsmGpsMapPrivate Line 97  struct _OsmGpsMapPrivate
97      char *proxy_uri;      char *proxy_uri;
98    
99      //where downloaded tiles are cached      //where downloaded tiles are cached
100        char *tile_dir;
101      char *cache_dir;      char *cache_dir;
     gboolean cache_dir_is_full_path;  
102    
103      //contains flags indicating the various special characters      //contains flags indicating the various special characters
104      //the uri string contains, that will be replaced when calculating      //the uri string contains, that will be replaced when calculating
# Line 98  struct _OsmGpsMapPrivate Line 117  struct _OsmGpsMapPrivate
117      coord_t *gps;      coord_t *gps;
118      gboolean gps_valid;      gboolean gps_valid;
119    
120    #ifdef ENABLE_BALLOON
121        //a balloon with additional info
122        struct {
123            coord_t *coo;
124            gboolean valid;
125            OsmGpsMapRect_t rect;
126            OsmGpsMapBalloonCallback cb;
127            gpointer data;
128        } balloon;
129    #endif
130    
131    #ifdef ENABLE_OSD
132        //the osd controls (if present)
133        osm_gps_map_osd_t *osd;
134    #ifdef OSD_DOUBLE_BUFFER
135        GdkPixmap *dbuf_pixmap;
136    #endif
137    #endif
138    
139    #ifdef OSM_GPS_MAP_KEY_FULLSCREEN
140        gboolean fullscreen;
141    #endif
142    
143      //additional images or tracks added to the map      //additional images or tracks added to the map
144      GSList *tracks;      GSList *tracks;
145      GSList *images;      GSList *images;
# Line 149  enum Line 191  enum
191      PROP_REPO_URI,      PROP_REPO_URI,
192      PROP_PROXY_URI,      PROP_PROXY_URI,
193      PROP_TILE_CACHE_DIR,      PROP_TILE_CACHE_DIR,
     PROP_TILE_CACHE_DIR_IS_FULL_PATH,  
194      PROP_ZOOM,      PROP_ZOOM,
195      PROP_MAX_ZOOM,      PROP_MAX_ZOOM,
196      PROP_MIN_ZOOM,      PROP_MIN_ZOOM,
# Line 310  static void Line 351  static void
351  inspect_map_uri(OsmGpsMap *map)  inspect_map_uri(OsmGpsMap *map)
352  {  {
353      OsmGpsMapPrivate *priv = map->priv;      OsmGpsMapPrivate *priv = map->priv;
354        priv->uri_format = 0;
355        priv->the_google = FALSE;
356    
357      if (g_strrstr(priv->repo_uri, URI_MARKER_X))      if (g_strrstr(priv->repo_uri, URI_MARKER_X))
358          priv->uri_format |= URI_HAS_X;          priv->uri_format |= URI_HAS_X;
# Line 631  osm_gps_map_draw_gps_point (OsmGpsMap *m Line 674  osm_gps_map_draw_gps_point (OsmGpsMap *m
674                                      (mr*2)+lw+lw);                                      (mr*2)+lw+lw);
675  #endif  #endif
676      }      }
677    }
678    
679    #ifdef ENABLE_BALLOON
680    /* most visual effects are hardcoded by now, but may be made */
681    /* available via properties later */
682    #ifndef BALLOON_AREA_WIDTH
683    #define BALLOON_AREA_WIDTH           290
684    #endif
685    #ifndef BALLOON_AREA_HEIGHT
686    #define BALLOON_AREA_HEIGHT           75
687    #endif
688    #ifndef BALLOON_CORNER_RADIUS
689    #define BALLOON_CORNER_RADIUS         10
690    #endif
691    
692    #define BALLOON_BORDER               (BALLOON_CORNER_RADIUS/2)
693    #define BALLOON_WIDTH                (BALLOON_AREA_WIDTH + 2 * BALLOON_BORDER)
694    #define BALLOON_HEIGHT               (BALLOON_AREA_HEIGHT + 2 * BALLOON_BORDER)
695    #define BALLOON_TRANSPARENCY         0.8
696    #define POINTER_HEIGHT                20
697    #define POINTER_FOOT_WIDTH            20
698    #define POINTER_OFFSET               (BALLOON_CORNER_RADIUS*3/4)
699    #define BALLOON_SHADOW               (BALLOON_CORNER_RADIUS/2)
700    #define BALLOON_SHADOW_TRANSPARENCY  0.2
701    
702    #define CLOSE_BUTTON_RADIUS   (BALLOON_CORNER_RADIUS)
703    
704    
705    /* draw the bubble shape. this is used twice, once for the shape and once */
706    /* for the shadow */
707    static void
708    osm_gps_map_draw_balloon_shape (cairo_t *cr, int x0, int y0, int x1, int y1,
709           gboolean bottom, int px, int py, int px0, int px1) {
710    
711        cairo_move_to (cr, x0, y0 + BALLOON_CORNER_RADIUS);
712        cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS,
713                   BALLOON_CORNER_RADIUS, -M_PI, -M_PI/2);
714        if(!bottom) {
715            /* insert top pointer */
716            cairo_line_to (cr, px1, y0);
717            cairo_line_to (cr, px, py);
718            cairo_line_to (cr, px0, y0);
719        }
720    
721        cairo_line_to (cr, x1 - BALLOON_CORNER_RADIUS, y0);
722        cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS,
723                   BALLOON_CORNER_RADIUS, -M_PI/2, 0);
724        cairo_line_to (cr, x1 , y1 - BALLOON_CORNER_RADIUS);
725        cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS,
726                   BALLOON_CORNER_RADIUS, 0, M_PI/2);
727        if(bottom) {
728            /* insert bottom pointer */
729            cairo_line_to (cr, px0, y1);
730            cairo_line_to (cr, px, py);
731            cairo_line_to (cr, px1, y1);
732        }
733    
734        cairo_line_to (cr, x0 + BALLOON_CORNER_RADIUS, y1);
735        cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS,
736                   BALLOON_CORNER_RADIUS, M_PI/2, M_PI);
737    
738        cairo_close_path (cr);
739    }
740    
741    static void
742    osm_gps_map_draw_balloon_int (OsmGpsMap *map)
743    {
744        OsmGpsMapPrivate *priv = map->priv;
745    
746        if (priv->balloon.valid) {
747    
748            /* ------- convert given coordinate into screen position --------- */
749            int x0 = lon2pixel(priv->map_zoom, priv->balloon.coo->rlon) -
750                priv->map_x + EXTRA_BORDER;
751            int y0 = lat2pixel(priv->map_zoom, priv->balloon.coo->rlat) -
752                priv->map_y + EXTRA_BORDER;
753    
754            /* check position of this relative to screen center to determine */
755            /* pointer direction ... */
756            int pointer_x = x0, pointer_x0, pointer_x1;
757            int pointer_y = y0;
758    
759            /* ... and calculate position */
760            if((x0 - EXTRA_BORDER) > GTK_WIDGET(map)->allocation.width/2) {
761                x0 -= BALLOON_WIDTH - POINTER_OFFSET;
762                pointer_x0 = pointer_x - (BALLOON_CORNER_RADIUS - POINTER_OFFSET);
763                pointer_x1 = pointer_x0 - POINTER_FOOT_WIDTH;
764            } else {
765                x0 -= POINTER_OFFSET;
766                pointer_x1 = pointer_x + (BALLOON_CORNER_RADIUS - POINTER_OFFSET);
767                pointer_x0 = pointer_x1 + POINTER_FOOT_WIDTH;
768            }
769    
770            gboolean bottom = FALSE;
771            if((y0 - EXTRA_BORDER) > GTK_WIDGET(map)->allocation.height/2) {
772                bottom = TRUE;
773                y0 -= BALLOON_HEIGHT + POINTER_HEIGHT;
774            } else
775                y0 += POINTER_HEIGHT;
776    
777            /* calculate bottom/right of box */
778            int x1 = x0 + BALLOON_WIDTH, y1 = y0 + BALLOON_HEIGHT;
779    
780            /* save balloon screen coordinates for later use */
781            priv->balloon.rect.x = x0 + BALLOON_BORDER;
782            priv->balloon.rect.y = y0 + BALLOON_BORDER;
783            priv->balloon.rect.w = x1 - x0 - 2*BALLOON_BORDER;
784            priv->balloon.rect.h = y1 - y0 - 2*BALLOON_BORDER;
785    
786    #ifdef USE_CAIRO
787            cairo_t *cr = gdk_cairo_create(priv->pixmap);
788    
789            /* --------- draw shadow --------------- */
790            osm_gps_map_draw_balloon_shape (cr,
791                        x0 + BALLOON_SHADOW, y0 + BALLOON_SHADOW,
792                        x1 + BALLOON_SHADOW, y1 + BALLOON_SHADOW,
793                        bottom, pointer_x, pointer_y,
794                        pointer_x0 + BALLOON_SHADOW, pointer_x1 + BALLOON_SHADOW);
795    
796            cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_SHADOW_TRANSPARENCY);
797            cairo_fill_preserve (cr);
798            cairo_set_source_rgba (cr, 1, 0, 0, 1.0);
799            cairo_set_line_width (cr, 0);
800            cairo_stroke (cr);
801    
802            /* --------- draw main shape ----------- */
803            osm_gps_map_draw_balloon_shape (cr, x0, y0, x1, y1,
804                        bottom, pointer_x, pointer_y, pointer_x0, pointer_x1);
805    
806            cairo_set_source_rgba (cr, 1, 1, 1, BALLOON_TRANSPARENCY);
807            cairo_fill_preserve (cr);
808            cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_TRANSPARENCY);
809            cairo_set_line_width (cr, 1);
810            cairo_stroke (cr);
811    
812    
813            /* ---------- draw close button --------- */
814    
815            int cx = x1 - BALLOON_BORDER - CLOSE_BUTTON_RADIUS;
816            int cy = y0 + BALLOON_BORDER + CLOSE_BUTTON_RADIUS;
817            int crad = CLOSE_BUTTON_RADIUS;
818    
819            cairo_arc (cr, cx, cy, crad, 0, 2 * M_PI);
820            cairo_set_source_rgba (cr, 0.8, 0, 0, 1.0);
821            cairo_fill_preserve (cr);
822            cairo_set_source_rgba (cr, 0.3, 0, 0, 1.0);
823            cairo_set_line_width (cr, 2);
824            cairo_stroke(cr);
825    
826            cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
827            cairo_set_line_width (cr, BALLOON_CORNER_RADIUS/3.3);
828            cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
829            cairo_move_to (cr, cx - crad/2, cy - crad/2);
830            cairo_line_to (cr, cx + crad/2, cy + crad/2);
831            cairo_stroke (cr);
832            cairo_move_to (cr, cx + crad/2, cy - crad/2);
833            cairo_line_to (cr, cx - crad/2, cy + crad/2);
834            cairo_stroke (cr);
835    
836            if (priv->balloon.cb) {
837                /* clip in case application tries to draw in */
838                /* exceed of the balloon */
839                cairo_rectangle (cr, priv->balloon.rect.x, priv->balloon.rect.y,
840                                 priv->balloon.rect.w, priv->balloon.rect.h);
841                cairo_clip (cr);
842                cairo_new_path (cr);  /* current path is not
843                                         consumed by cairo_clip() */
844    
845                priv->balloon.cb(cr, &priv->balloon.rect, priv->balloon.data);
846            }
847    
848            cairo_destroy(cr);
849    
850            gtk_widget_queue_draw_area (GTK_WIDGET(map),
851                                        x0, y0, BALLOON_WIDTH,
852                                        BALLOON_HEIGHT + POINTER_HEIGHT);
853    #else
854    #warning "Balloon display lacks a non-cairo implementation!"
855    #endif
856        }
857  }  }
858    
859    /* the user clicked into the balloons main area. handle this */
860    static void
861    osm_gps_map_handle_balloon_click(OsmGpsMap *map, gint x, gint y)
862    {
863        OsmGpsMapPrivate *priv = map->priv;
864    
865        if (!priv->balloon.valid)
866            return;
867    
868        /* check if the close button was clicked */
869        if ((x > priv->balloon.rect.w - 2*CLOSE_BUTTON_RADIUS) &&
870            (x < priv->balloon.rect.w) &&
871            (y > 0) && (y < 2*CLOSE_BUTTON_RADIUS)) {
872    
873            priv->balloon.valid = FALSE;
874            osm_gps_map_map_redraw_idle(map);
875        }
876    }
877    
878    /* return true if balloon is being displayed and if */
879    /* the given coordinate is within this balloon */
880    static gboolean
881    osm_gps_map_in_balloon(OsmGpsMapPrivate *priv, gint x, gint y)
882    {
883        return (priv->balloon.valid &&
884                (x > priv->balloon.rect.x) &&
885                (x < priv->balloon.rect.x + priv->balloon.rect.w) &&
886                (y > priv->balloon.rect.y) &&
887                (y < priv->balloon.rect.y + priv->balloon.rect.h));
888    }
889    #endif // ENABLE_BALLOON
890    
891  static void  static void
892  osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y)  osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y)
893  {  {
# Line 695  osm_gps_map_tile_download_complete (Soup Line 950  osm_gps_map_tile_download_complete (Soup
950              }              }
951              else              else
952              {              {
953                  g_warning("Error creating tile download directory: %s", dl->folder);                  g_warning("Error creating tile download directory: %s",
954                              dl->folder);
955                    perror("perror:");
956              }              }
957          }          }
958    
# Line 842  osm_gps_map_download_tile (OsmGpsMap *ma Line 1099  osm_gps_map_download_tile (OsmGpsMap *ma
1099                  }                  }
1100              }              }
1101    
1102    #ifdef LIBSOUP22
1103                soup_message_headers_append(msg->request_headers,
1104                                            "User-Agent", USER_AGENT);
1105    #endif
1106    
1107              g_hash_table_insert (priv->tile_queue, dl->uri, msg);              g_hash_table_insert (priv->tile_queue, dl->uri, msg);
1108              soup_session_queue_message (priv->soup_session, msg, osm_gps_map_tile_download_complete, dl);              soup_session_queue_message (priv->soup_session, msg, osm_gps_map_tile_download_complete, dl);
1109          } else {          } else {
# Line 1194  osm_gps_map_map_redraw (OsmGpsMap *map) Line 1456  osm_gps_map_map_redraw (OsmGpsMap *map)
1456    
1457      priv->idle_map_redraw = 0;      priv->idle_map_redraw = 0;
1458    
1459        /* don't redraw the entire map while the OSD is doing */
1460        /* some animation or the like. This is to keep the animation */
1461        /* fluid */
1462        if (priv->osd->busy(priv->osd))
1463            return FALSE;
1464    
1465      /* the motion_notify handler uses priv->pixmap to redraw the area; if we      /* the motion_notify handler uses priv->pixmap to redraw the area; if we
1466       * change it while we are dragging, we will end up showing it in the wrong       * change it while we are dragging, we will end up showing it in the wrong
1467       * place. This could be fixed by carefully recompute the coordinates, but       * place. This could be fixed by carefully recompute the coordinates, but
# Line 1217  osm_gps_map_map_redraw (OsmGpsMap *map) Line 1485  osm_gps_map_map_redraw (OsmGpsMap *map)
1485      osm_gps_map_print_tracks(map);      osm_gps_map_print_tracks(map);
1486      osm_gps_map_draw_gps_point(map);      osm_gps_map_draw_gps_point(map);
1487      osm_gps_map_print_images(map);      osm_gps_map_print_images(map);
1488    #ifdef ENABLE_BALLOON
1489        osm_gps_map_draw_balloon_int(map);
1490    #endif
1491    
1492      //osm_gps_map_osd_speed(map, 1.5);      //osm_gps_map_osd_speed(map, 1.5);
1493      osm_gps_map_purge_cache(map);      osm_gps_map_purge_cache(map);
# Line 1234  osm_gps_map_map_redraw_idle (OsmGpsMap * Line 1505  osm_gps_map_map_redraw_idle (OsmGpsMap *
1505          priv->idle_map_redraw = g_idle_add ((GSourceFunc)osm_gps_map_map_redraw, map);          priv->idle_map_redraw = g_idle_add ((GSourceFunc)osm_gps_map_map_redraw, map);
1506  }  }
1507    
1508    #ifdef OSM_GPS_MAP_KEYS
1509    static gboolean
1510    on_window_key_press(GtkWidget *widget,
1511                             GdkEventKey *event, OsmGpsMapPrivate *priv) {
1512      gboolean handled = FALSE;
1513      int step = GTK_WIDGET(widget)->allocation.width/OSM_GPS_MAP_SCROLL_STEP;
1514    
1515      // the map handles some keys on its own ...
1516      switch(event->keyval) {
1517    #ifdef OSM_GPS_MAP_KEY_FULLSCREEN
1518      case OSM_GPS_MAP_KEY_FULLSCREEN: {
1519          GtkWidget *toplevel = gtk_widget_get_toplevel(GTK_WIDGET(widget));
1520          if(!priv->fullscreen)
1521              gtk_window_fullscreen(GTK_WINDOW(toplevel));
1522          else
1523              gtk_window_unfullscreen(GTK_WINDOW(toplevel));
1524    
1525          priv->fullscreen = !priv->fullscreen;
1526          handled = TRUE;
1527          } break;
1528    #endif
1529    
1530    #ifdef OSM_GPS_MAP_KEY_ZOOMIN
1531      case OSM_GPS_MAP_KEY_ZOOMIN:
1532          osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom+1);
1533          handled = TRUE;
1534          break;
1535    #endif
1536    
1537    #ifdef OSM_GPS_MAP_KEY_ZOOMOUT
1538      case OSM_GPS_MAP_KEY_ZOOMOUT:
1539          osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom-1);
1540          handled = TRUE;
1541          break;
1542    #endif
1543    
1544    #ifdef OSM_GPS_MAP_KEY_UP
1545      case OSM_GPS_MAP_KEY_UP:
1546          priv->map_y -= step;
1547          priv->center_coord_set = FALSE;
1548          osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget));
1549          handled = TRUE;
1550          break;
1551    #endif
1552    
1553    #ifdef OSM_GPS_MAP_KEY_DOWN
1554      case OSM_GPS_MAP_KEY_DOWN:
1555          priv->map_y += step;
1556          priv->center_coord_set = FALSE;
1557          osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget));
1558          handled = TRUE;
1559          break;
1560    #endif
1561    
1562    #ifdef OSM_GPS_MAP_KEY_LEFT
1563      case OSM_GPS_MAP_KEY_LEFT:
1564          priv->map_x -= step;
1565          priv->center_coord_set = FALSE;
1566          osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget));
1567          handled = TRUE;
1568          break;
1569    #endif
1570    
1571    #ifdef OSM_GPS_MAP_KEY_RIGHT
1572      case OSM_GPS_MAP_KEY_RIGHT:
1573          priv->map_x += step;
1574          priv->center_coord_set = FALSE;
1575          osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget));
1576          handled = TRUE;
1577          break;
1578    #endif
1579    
1580      default:
1581          break;
1582      }
1583    
1584      return handled;
1585    }
1586    #endif
1587    
1588  static void  static void
1589  osm_gps_map_init (OsmGpsMap *object)  osm_gps_map_init (OsmGpsMap *object)
1590  {  {
# Line 1248  osm_gps_map_init (OsmGpsMap *object) Line 1599  osm_gps_map_init (OsmGpsMap *object)
1599      priv->gps = g_new0(coord_t, 1);      priv->gps = g_new0(coord_t, 1);
1600      priv->gps_valid = FALSE;      priv->gps_valid = FALSE;
1601    
1602    #ifdef ENABLE_BALLOON
1603        priv->balloon.coo = g_new0(coord_t, 1);
1604        priv->balloon.valid = FALSE;
1605        priv->balloon.cb = NULL;
1606    #endif
1607    
1608    #ifdef ENABLE_OSD
1609        priv->osd = NULL;
1610    #endif
1611    
1612    #ifdef OSM_GPS_MAP_BUTTON_FULLSCREEN
1613        priv->fullscreen = FALSE;
1614    #endif
1615    
1616      priv->tracks = NULL;      priv->tracks = NULL;
1617      priv->images = NULL;      priv->images = NULL;
1618    
# Line 1264  osm_gps_map_init (OsmGpsMap *object) Line 1629  osm_gps_map_init (OsmGpsMap *object)
1629    
1630  #ifndef LIBSOUP22  #ifndef LIBSOUP22
1631      //Change naumber of concurrent connections option?      //Change naumber of concurrent connections option?
1632      priv->soup_session = soup_session_async_new_with_options(      priv->soup_session =
1633                                                               SOUP_SESSION_USER_AGENT,          soup_session_async_new_with_options(SOUP_SESSION_USER_AGENT,
1634                                                               "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11",                                              USER_AGENT, NULL);
                                                              NULL);  
1635  #else  #else
1636      /* libsoup-2.2 seems not to be able to set the user agent */      /* libsoup-2.2 has no special way to set the user agent, so we */
1637        /* set it seperately as an extra header field for each reuest */
1638      priv->soup_session = soup_session_async_new();      priv->soup_session = soup_session_async_new();
1639  #endif  #endif
1640    
# Line 1292  osm_gps_map_init (OsmGpsMap *object) Line 1657  osm_gps_map_init (OsmGpsMap *object)
1657      GTK_WIDGET_SET_FLAGS (object, GTK_CAN_FOCUS);      GTK_WIDGET_SET_FLAGS (object, GTK_CAN_FOCUS);
1658    
1659      g_log_set_handler (G_LOG_DOMAIN, G_LOG_LEVEL_MASK, my_log_handler, NULL);      g_log_set_handler (G_LOG_DOMAIN, G_LOG_LEVEL_MASK, my_log_handler, NULL);
 }  
1660    
1661  #ifndef G_CHECKSUM_MD5  #ifdef OSM_GPS_MAP_KEYS
1662  /* simple hash algorithm hack if md5 is not present */      g_signal_connect(G_OBJECT(object), "key_press_event",
1663  static char *simple_hash(char *str) {                       G_CALLBACK(on_window_key_press), priv);
     union {  
         char str[4];  
         gulong val;  
     } hash = { .val = 0x55555555 };  
   
     while(*str) {  
         hash.str[(int)str & 3] ^= *str;  
         str++;  
     }  
     return g_strdup_printf("%08lX", hash.val);  
 }  
1664  #endif  #endif
1665    }
1666    
1667  static GObject *  static void
1668  osm_gps_map_constructor (GType gtype, guint n_properties, GObjectConstructParam *properties)  osm_gps_map_setup(OsmGpsMapPrivate *priv) {
 {  
     GObject *object;  
     OsmGpsMapPrivate *priv;  
     OsmGpsMap *map;  
1669      const char *uri;      const char *uri;
1670    
     //Always chain up to the parent constructor  
     object = G_OBJECT_CLASS(osm_gps_map_parent_class)->constructor(gtype, n_properties, properties);  
     map = OSM_GPS_MAP(object);  
     priv = OSM_GPS_MAP_PRIVATE(object);  
   
1671      //user can specify a map source ID, or a repo URI as the map source      //user can specify a map source ID, or a repo URI as the map source
1672      uri = osm_gps_map_source_get_repo_uri(OSM_GPS_MAP_SOURCE_NULL);      uri = osm_gps_map_source_get_repo_uri(OSM_GPS_MAP_SOURCE_NULL);
1673      if ( (priv->map_source == 0) || (strcmp(priv->repo_uri, uri) == 0) ) {      if ( (priv->map_source == 0) || (strcmp(priv->repo_uri, uri) == 0) ) {
# Line 1347  osm_gps_map_constructor (GType gtype, gu Line 1692  osm_gps_map_constructor (GType gtype, gu
1692          }          }
1693      }      }
1694    
1695      if (!priv->cache_dir_is_full_path) {      const char *fname = osm_gps_map_source_get_friendly_name(priv->map_source);
1696  #ifdef G_CHECKSUM_MD5      if(!fname) fname = "_unknown_";
         char *md5 = g_compute_checksum_for_string (G_CHECKSUM_MD5, priv->repo_uri, -1);  
 #else  
         char *md5 = simple_hash(priv->repo_uri);  
 #endif  
1697    
1698          if (priv->cache_dir) {      if (priv->tile_dir) {
1699              char *old = priv->cache_dir;          //the new cachedir is the given cache dir + the friendly name of the repo_uri
1700              //the new cachedir is the given cache dir + the md5 of the repo_uri          priv->cache_dir = g_strdup_printf("%s%c%s", priv->tile_dir, G_DIR_SEPARATOR, fname);
1701              priv->cache_dir = g_strdup_printf("%s%c%s", old, G_DIR_SEPARATOR, md5);          g_debug("Adjusting cache dir %s -> %s", priv->tile_dir, priv->cache_dir);
             g_debug("Adjusting cache dir %s -> %s", old, priv->cache_dir);  
             g_free(old);  
         } else {  
             //the new cachedir is the current dir + the md5 of the repo_uri  
             priv->cache_dir = g_strdup(md5);  
         }  
   
         g_free(md5);  
1702      }      }
1703    }
1704    
1705      inspect_map_uri(map);  static GObject *
1706    osm_gps_map_constructor (GType gtype, guint n_properties, GObjectConstructParam *properties)
1707    {
1708        //Always chain up to the parent constructor
1709        GObject *object =
1710            G_OBJECT_CLASS(osm_gps_map_parent_class)->constructor(gtype, n_properties, properties);
1711    
1712        osm_gps_map_setup(OSM_GPS_MAP_PRIVATE(object));
1713    
1714        inspect_map_uri(OSM_GPS_MAP(object));
1715    
1716      return object;      return object;
1717  }  }
# Line 1405  osm_gps_map_dispose (GObject *object) Line 1748  osm_gps_map_dispose (GObject *object)
1748      if (priv->idle_map_redraw != 0)      if (priv->idle_map_redraw != 0)
1749          g_source_remove (priv->idle_map_redraw);          g_source_remove (priv->idle_map_redraw);
1750    
1751        g_free(priv->gps);
1752    
1753    #ifdef ENABLE_BALLOON
1754        g_free(priv->balloon.coo);
1755    #endif
1756    
1757    #ifdef ENABLE_OSD
1758        if(priv->osd)
1759            priv->osd->free(priv->osd);
1760    
1761    #ifdef OSD_DOUBLE_BUFFER
1762        if(priv->dbuf_pixmap)
1763            g_object_unref (priv->dbuf_pixmap);
1764    #endif
1765    #endif
1766    
1767      G_OBJECT_CLASS (osm_gps_map_parent_class)->dispose (object);      G_OBJECT_CLASS (osm_gps_map_parent_class)->dispose (object);
1768  }  }
1769    
# Line 1414  osm_gps_map_finalize (GObject *object) Line 1773  osm_gps_map_finalize (GObject *object)
1773      OsmGpsMap *map = OSM_GPS_MAP(object);      OsmGpsMap *map = OSM_GPS_MAP(object);
1774      OsmGpsMapPrivate *priv = map->priv;      OsmGpsMapPrivate *priv = map->priv;
1775    
1776      g_free(priv->cache_dir);      if(priv->tile_dir)
1777            g_free(priv->tile_dir);
1778    
1779        if(priv->cache_dir)
1780            g_free(priv->cache_dir);
1781    
1782      g_free(priv->repo_uri);      g_free(priv->repo_uri);
1783      g_free(priv->image_format);      g_free(priv->image_format);
1784    
# Line 1471  osm_gps_map_set_property (GObject *objec Line 1835  osm_gps_map_set_property (GObject *objec
1835              break;              break;
1836          case PROP_TILE_CACHE_DIR:          case PROP_TILE_CACHE_DIR:
1837              if ( g_value_get_string(value) )              if ( g_value_get_string(value) )
1838                  priv->cache_dir = g_value_dup_string (value);                  priv->tile_dir = g_value_dup_string (value);
             break;  
         case PROP_TILE_CACHE_DIR_IS_FULL_PATH:  
             priv->cache_dir_is_full_path = g_value_get_boolean (value);  
1839              break;              break;
1840          case PROP_ZOOM:          case PROP_ZOOM:
1841              priv->map_zoom = g_value_get_int (value);              priv->map_zoom = g_value_get_int (value);
# Line 1502  osm_gps_map_set_property (GObject *objec Line 1863  osm_gps_map_set_property (GObject *objec
1863          case PROP_GPS_POINT_R2:          case PROP_GPS_POINT_R2:
1864              priv->ui_gps_point_outer_radius = g_value_get_int (value);              priv->ui_gps_point_outer_radius = g_value_get_int (value);
1865              break;              break;
1866          case PROP_MAP_SOURCE:          case PROP_MAP_SOURCE: {
1867                gint old = priv->map_source;
1868              priv->map_source = g_value_get_int (value);              priv->map_source = g_value_get_int (value);
1869              break;              if(old >= OSM_GPS_MAP_SOURCE_NULL &&
1870                   priv->map_source != old &&
1871                   priv->map_source >= OSM_GPS_MAP_SOURCE_NULL &&
1872                   priv->map_source <= OSM_GPS_MAP_SOURCE_LAST) {
1873    
1874                    /* we now have to switch the entire map */
1875    
1876                    /* flush the ram cache */
1877                    g_hash_table_remove_all(priv->tile_cache);
1878    
1879                    osm_gps_map_setup(priv);
1880    
1881                    inspect_map_uri(map);
1882    
1883                    /* adjust zoom if necessary */
1884                    if(priv->map_zoom > priv->max_zoom)
1885                        osm_gps_map_set_zoom(map, priv->max_zoom);
1886    
1887                    if(priv->map_zoom < priv->min_zoom)
1888                        osm_gps_map_set_zoom(map, priv->min_zoom);
1889    
1890                } } break;
1891          case PROP_IMAGE_FORMAT:          case PROP_IMAGE_FORMAT:
1892              priv->image_format = g_value_dup_string (value);              priv->image_format = g_value_dup_string (value);
1893              break;              break;
# Line 1545  osm_gps_map_get_property (GObject *objec Line 1928  osm_gps_map_get_property (GObject *objec
1928          case PROP_TILE_CACHE_DIR:          case PROP_TILE_CACHE_DIR:
1929              g_value_set_string(value, priv->cache_dir);              g_value_set_string(value, priv->cache_dir);
1930              break;              break;
         case PROP_TILE_CACHE_DIR_IS_FULL_PATH:  
             g_value_set_boolean(value, priv->cache_dir_is_full_path);  
             break;  
1931          case PROP_ZOOM:          case PROP_ZOOM:
1932              g_value_set_int(value, priv->map_zoom);              g_value_set_int(value, priv->map_zoom);
1933              break;              break;
# Line 1620  osm_gps_map_button_press (GtkWidget *wid Line 2000  osm_gps_map_button_press (GtkWidget *wid
2000  {  {
2001      OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget);      OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget);
2002    
2003    #ifdef ENABLE_BALLOON
2004        /* don't drag if the user clicked within the balloon */
2005        if (osm_gps_map_in_balloon(priv,
2006                       event->x + EXTRA_BORDER,
2007                       event->y + EXTRA_BORDER))
2008        {
2009            priv->drag_counter = -1;
2010            return FALSE;
2011        }
2012    #endif
2013    
2014    #ifdef ENABLE_OSD
2015        /* pressed inside OSD control? */
2016        if(priv->osd) {
2017            osd_button_t but = priv->osd->check(priv->osd, event->x, event->y);
2018            if(but != OSD_NONE)
2019            {
2020                int step = GTK_WIDGET(widget)->allocation.width/OSM_GPS_MAP_SCROLL_STEP;
2021                priv->drag_counter = -1;
2022    
2023                switch(but) {
2024                case OSD_UP:
2025                    priv->map_y -= step;
2026                    priv->center_coord_set = FALSE;
2027                    osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget));
2028                    break;
2029    
2030                case OSD_DOWN:
2031                    priv->map_y += step;
2032                    priv->center_coord_set = FALSE;
2033                    osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget));
2034                    break;
2035    
2036                case OSD_LEFT:
2037                    priv->map_x -= step;
2038                    priv->center_coord_set = FALSE;
2039                    osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget));
2040                    break;
2041    
2042                case OSD_RIGHT:
2043                    priv->map_x += step;
2044                    priv->center_coord_set = FALSE;
2045                    osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget));
2046                    break;
2047    
2048                case OSD_IN:
2049                    osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom+1);
2050                    break;
2051    
2052                case OSD_OUT:
2053                    osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom-1);
2054                    break;
2055    
2056                default:
2057                    /* all custom buttons are forwarded to the application */
2058                    if(priv->osd->cb)
2059                        priv->osd->cb(but, priv->osd->data);
2060                    break;
2061                }
2062    
2063                return FALSE;
2064            }
2065        }
2066    #endif
2067    
2068      priv->drag_counter = 0;      priv->drag_counter = 0;
2069      priv->drag_start_mouse_x = (int) event->x;      priv->drag_start_mouse_x = (int) event->x;
2070      priv->drag_start_mouse_y = (int) event->y;      priv->drag_start_mouse_y = (int) event->y;
# Line 1634  osm_gps_map_button_release (GtkWidget *w Line 2079  osm_gps_map_button_release (GtkWidget *w
2079  {  {
2080      OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget);      OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget);
2081    
2082    #ifdef ENABLE_BALLOON
2083        /* released inside the balloon? */
2084        if (osm_gps_map_in_balloon(priv,
2085                       event->x + EXTRA_BORDER,
2086                       event->y + EXTRA_BORDER))
2087        {
2088            osm_gps_map_handle_balloon_click(OSM_GPS_MAP(widget),
2089                 event->x - priv->balloon.rect.x + EXTRA_BORDER,
2090                 event->y - priv->balloon.rect.y + EXTRA_BORDER);
2091        }
2092    #endif
2093    
2094      if (priv->dragging)      if (priv->dragging)
2095      {      {
2096          priv->dragging = FALSE;          priv->dragging = FALSE;
# Line 1651  osm_gps_map_button_release (GtkWidget *w Line 2108  osm_gps_map_button_release (GtkWidget *w
2108    
2109      priv->drag_mouse_dx = 0;      priv->drag_mouse_dx = 0;
2110      priv->drag_mouse_dy = 0;      priv->drag_mouse_dy = 0;
2111      priv->drag_counter = 0;      priv->drag_counter = -1;
2112    
2113      return FALSE;      return FALSE;
2114  }  }
2115    
2116  static gboolean  static gboolean
2117    osm_gps_map_expose (GtkWidget *widget, GdkEventExpose  *event);
2118    
2119    static gboolean
2120  osm_gps_map_motion_notify (GtkWidget *widget, GdkEventMotion  *event)  osm_gps_map_motion_notify (GtkWidget *widget, GdkEventMotion  *event)
2121  {  {
2122      int x, y;      int x, y;
# Line 1676  osm_gps_map_motion_notify (GtkWidget *wi Line 2136  osm_gps_map_motion_notify (GtkWidget *wi
2136      if (!(state & GDK_BUTTON1_MASK))      if (!(state & GDK_BUTTON1_MASK))
2137          return FALSE;          return FALSE;
2138    
2139        if (priv->drag_counter < 0)
2140            return FALSE;
2141    
2142      priv->drag_counter++;      priv->drag_counter++;
2143    
2144      // we havent dragged more than 6 pixels      // we havent dragged more than 6 pixels
2145      if (priv->drag_counter < 6)      if (priv->drag_counter < 6)
2146          return FALSE;          return FALSE;
2147    
2148    #ifdef OSM_GPS_MAP_REFRESH
2149        /* reduce update frequency on maemo to keep screen update fluid */
2150        static guint32 last_time = 0;
2151    
2152        if(event->time - last_time < (1000/OSM_GPS_MAP_REFRESH)) return FALSE;
2153        last_time = event->time;
2154    #endif
2155    
2156      priv->dragging = TRUE;      priv->dragging = TRUE;
2157    
2158      if (priv->map_auto_center)      if (priv->map_auto_center)
# Line 1690  osm_gps_map_motion_notify (GtkWidget *wi Line 2161  osm_gps_map_motion_notify (GtkWidget *wi
2161      priv->drag_mouse_dx = x - priv->drag_start_mouse_x;      priv->drag_mouse_dx = x - priv->drag_start_mouse_x;
2162      priv->drag_mouse_dy = y - priv->drag_start_mouse_y;      priv->drag_mouse_dy = y - priv->drag_start_mouse_y;
2163    
2164      gdk_draw_drawable (      osm_gps_map_expose (widget, NULL);
                        widget->window,  
                        widget->style->fg_gc[GTK_WIDGET_STATE (widget)],  
                        priv->pixmap,  
                        0,0,  
                        priv->drag_mouse_dx - EXTRA_BORDER, priv->drag_mouse_dy - EXTRA_BORDER,  
                        -1,-1);  
   
     //Paint white outside of the map if dragging. Its less  
     //ugly than painting the corrupted map  
     if(priv->drag_mouse_dx>EXTRA_BORDER) {  
         gdk_draw_rectangle (  
                             widget->window,  
                             widget->style->white_gc,  
                             TRUE,  
                             0, 0,  
                             priv->drag_mouse_dx - EXTRA_BORDER,  
                             widget->allocation.height);  
     }  
     else if (-priv->drag_mouse_dx > EXTRA_BORDER)  
     {  
         gdk_draw_rectangle (  
                             widget->window,  
                             widget->style->white_gc,  
                             TRUE,  
                             priv->drag_mouse_dx + widget->allocation.width + EXTRA_BORDER, 0,  
                             -priv->drag_mouse_dx - EXTRA_BORDER,  
                             widget->allocation.height);  
     }  
   
     if (priv->drag_mouse_dy>EXTRA_BORDER) {  
         gdk_draw_rectangle (  
                             widget->window,  
                             widget->style->white_gc,  
                             TRUE,  
                             0, 0,  
                             widget->allocation.width,  
                             priv->drag_mouse_dy - EXTRA_BORDER);  
     }  
     else if (-priv->drag_mouse_dy > EXTRA_BORDER)  
     {  
         gdk_draw_rectangle (  
                             widget->window,  
                             widget->style->white_gc,  
                             TRUE,  
                             0, priv->drag_mouse_dy + widget->allocation.height + EXTRA_BORDER,  
                             widget->allocation.width,  
                             -priv->drag_mouse_dy - EXTRA_BORDER);  
     }  
2165    
2166      return FALSE;      return FALSE;
2167  }  }
# Line 1753  osm_gps_map_configure (GtkWidget *widget Line 2176  osm_gps_map_configure (GtkWidget *widget
2176          g_object_unref (priv->pixmap);          g_object_unref (priv->pixmap);
2177    
2178      priv->pixmap = gdk_pixmap_new (      priv->pixmap = gdk_pixmap_new (
2179                                     widget->window,                          widget->window,
2180                                     widget->allocation.width + EXTRA_BORDER * 2,                          widget->allocation.width + EXTRA_BORDER * 2,
2181                                     widget->allocation.height + EXTRA_BORDER * 2,                          widget->allocation.height + EXTRA_BORDER * 2,
2182                                     -1);                          -1);
2183    
2184    #ifdef ENABLE_OSD
2185    
2186    #ifdef OSD_DOUBLE_BUFFER
2187        if (priv->dbuf_pixmap)
2188            g_object_unref (priv->dbuf_pixmap);
2189    
2190        priv->dbuf_pixmap = gdk_pixmap_new (
2191                            widget->window,
2192                            widget->allocation.width,
2193                            widget->allocation.height,
2194                            -1);
2195    #endif
2196    
2197        /* the osd needs some references to map internal objects */
2198        if(priv->osd)
2199            priv->osd->widget = widget;
2200    #endif
2201    
2202      /* and gc, used for clipping (I think......) */      /* and gc, used for clipping (I think......) */
2203      if(priv->gc_map)      if(priv->gc_map)
# Line 1774  osm_gps_map_expose (GtkWidget *widget, G Line 2215  osm_gps_map_expose (GtkWidget *widget, G
2215  {  {
2216      OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget);      OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget);
2217    
2218      gdk_draw_drawable (  #if defined(ENABLE_OSD) && defined(OSD_DOUBLE_BUFFER)
2219                         widget->window,      GdkDrawable *drawable = priv->dbuf_pixmap;
2220    #else
2221        GdkDrawable *drawable = widget->window;
2222    #endif
2223    
2224        if (!priv->dragging && event)
2225        {
2226            gdk_draw_drawable (drawable,
2227                               widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
2228                               priv->pixmap,
2229                               event->area.x + EXTRA_BORDER, event->area.y + EXTRA_BORDER,
2230                               event->area.x, event->area.y,
2231                               event->area.width, event->area.height);
2232        }
2233        else
2234        {
2235            gdk_draw_drawable (drawable,
2236                               widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
2237                               priv->pixmap,
2238                               0,0,
2239                               priv->drag_mouse_dx - EXTRA_BORDER,
2240                               priv->drag_mouse_dy - EXTRA_BORDER,
2241                               -1,-1);
2242    
2243            //Paint white outside of the map if dragging. Its less
2244            //ugly than painting the corrupted map
2245            if(priv->drag_mouse_dx>EXTRA_BORDER) {
2246                gdk_draw_rectangle (drawable,
2247                                    widget->style->white_gc,
2248                                    TRUE,
2249                                    0, 0,
2250                                    priv->drag_mouse_dx - EXTRA_BORDER,
2251                                    widget->allocation.height);
2252            }
2253            else if (-priv->drag_mouse_dx > EXTRA_BORDER)
2254            {
2255                gdk_draw_rectangle (drawable,
2256                                    widget->style->white_gc,
2257                                    TRUE,
2258                                    priv->drag_mouse_dx + widget->allocation.width + EXTRA_BORDER, 0,
2259                                    -priv->drag_mouse_dx - EXTRA_BORDER,
2260                                    widget->allocation.height);
2261            }
2262    
2263            if (priv->drag_mouse_dy>EXTRA_BORDER) {
2264                gdk_draw_rectangle (drawable,
2265                                    widget->style->white_gc,
2266                                    TRUE,
2267                                    0, 0,
2268                                    widget->allocation.width,
2269                                    priv->drag_mouse_dy - EXTRA_BORDER);
2270            }
2271            else if (-priv->drag_mouse_dy > EXTRA_BORDER)
2272            {
2273                gdk_draw_rectangle (drawable,
2274                                    widget->style->white_gc,
2275                                    TRUE,
2276                                    0, priv->drag_mouse_dy + widget->allocation.height + EXTRA_BORDER,
2277                                    widget->allocation.width,
2278                                    -priv->drag_mouse_dy - EXTRA_BORDER);
2279            }
2280        }
2281    
2282    #ifdef ENABLE_OSD
2283        /* draw new OSD */
2284        if(priv->osd)
2285            priv->osd->draw (priv->osd, drawable);
2286    
2287    #ifdef OSD_DOUBLE_BUFFER
2288        gdk_draw_drawable (widget->window,
2289                         widget->style->fg_gc[GTK_WIDGET_STATE (widget)],                         widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
2290                         priv->pixmap,                         priv->dbuf_pixmap,
2291                         event->area.x + EXTRA_BORDER, event->area.y + EXTRA_BORDER,                         0,0,0,0,-1,-1);
2292                         event->area.x, event->area.y,  #endif
                        event->area.width, event->area.height);  
2293    
2294    #endif
2295    
2296      return FALSE;      return FALSE;
2297  }  }
2298    
# Line 1863  osm_gps_map_class_init (OsmGpsMapClass * Line 2374  osm_gps_map_class_init (OsmGpsMapClass *
2374                                                            G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));                                                            G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
2375    
2376      g_object_class_install_property (object_class,      g_object_class_install_property (object_class,
                                      PROP_TILE_CACHE_DIR_IS_FULL_PATH,  
                                      g_param_spec_boolean ("tile-cache-is-full-path",  
                                                            "tile cache is full path",  
                                                            "if true, the path passed to tile-cache is interpreted as the full cache path",  
                                                            FALSE,  
                                                            G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));  
   
     g_object_class_install_property (object_class,  
2377                                       PROP_ZOOM,                                       PROP_ZOOM,
2378                                       g_param_spec_int ("zoom",                                       g_param_spec_int ("zoom",
2379                                                         "zoom",                                                         "zoom",
# Line 1967  osm_gps_map_class_init (OsmGpsMapClass * Line 2470  osm_gps_map_class_init (OsmGpsMapClass *
2470                                                         "radius of the gps point inner circle",                                                         "radius of the gps point inner circle",
2471                                                         0,           /* minimum property value */                                                         0,           /* minimum property value */
2472                                                         G_MAXINT,    /* maximum property value */                                                         G_MAXINT,    /* maximum property value */
2473                                                         5,                                                         10,
2474                                                         G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));                                                         G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
2475    
2476      g_object_class_install_property (object_class,      g_object_class_install_property (object_class,
# Line 1988  osm_gps_map_class_init (OsmGpsMapClass * Line 2491  osm_gps_map_class_init (OsmGpsMapClass *
2491                                                         -1,           /* minimum property value */                                                         -1,           /* minimum property value */
2492                                                         G_MAXINT,    /* maximum property value */                                                         G_MAXINT,    /* maximum property value */
2493                                                         -1,                                                         -1,
2494                                                         G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));                                                         G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
2495    
2496      g_object_class_install_property (object_class,      g_object_class_install_property (object_class,
2497                                       PROP_IMAGE_FORMAT,                                       PROP_IMAGE_FORMAT,
# Line 2007  osm_gps_map_source_get_friendly_name(Osm Line 2510  osm_gps_map_source_get_friendly_name(Osm
2510          case OSM_GPS_MAP_SOURCE_NULL:          case OSM_GPS_MAP_SOURCE_NULL:
2511              return "None";              return "None";
2512          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:
2513              return "OpenStreetMap";              return "OpenStreetMap I";
2514          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:
2515              return "OpenStreetMap Renderer";              return "OpenStreetMap II";
2516          case OSM_GPS_MAP_SOURCE_OPENAERIALMAP:          case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP:
2517              return "OpenAerialMap";              return "OpenCycleMap";
2518          case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:          case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:
2519              return "Maps-For-Free";              return "Maps-For-Free";
2520          case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:          case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:
# Line 2053  osm_gps_map_source_get_repo_uri(OsmGpsMa Line 2556  osm_gps_map_source_get_repo_uri(OsmGpsMa
2556              return OSM_REPO_URI;              return OSM_REPO_URI;
2557          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:
2558              return "http://tah.openstreetmap.org/Tiles/tile/#Z/#X/#Y.png";              return "http://tah.openstreetmap.org/Tiles/tile/#Z/#X/#Y.png";
2559          case OSM_GPS_MAP_SOURCE_OPENAERIALMAP:          case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP:
2560              return "http://tile.openaerialmap.org/tiles/1.0.0/openaerialmap-900913/#Z/#X/#Y.jpg";              return "http://c.andy.sandbox.cloudmade.com/tiles/cycle/#Z/#X/#Y.png";
2561          case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:          case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:
2562              return "http://maps-for-free.com/layer/relief/z#Z/row#Y/#Z_#X-#Y.jpg";              return "http://maps-for-free.com/layer/relief/z#Z/row#Y/#Z_#X-#Y.jpg";
2563          case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:          case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:
# Line 2092  osm_gps_map_source_get_image_format(OsmG Line 2595  osm_gps_map_source_get_image_format(OsmG
2595          case OSM_GPS_MAP_SOURCE_NULL:          case OSM_GPS_MAP_SOURCE_NULL:
2596          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:
2597          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:
2598            case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP:
2599              return "png";              return "png";
2600          case OSM_GPS_MAP_SOURCE_OPENAERIALMAP:          case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:
2601          case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:          case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:
2602            case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE:
2603          case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID:          case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID:
2604          case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET:          case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET:
2605          case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE:          case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE:
# Line 2102  osm_gps_map_source_get_image_format(OsmG Line 2607  osm_gps_map_source_get_image_format(OsmG
2607          case OSM_GPS_MAP_SOURCE_YAHOO_STREET:          case OSM_GPS_MAP_SOURCE_YAHOO_STREET:
2608          case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE:          case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE:
2609          case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID:          case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID:
         case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:  
         case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE:  
2610              return "jpg";              return "jpg";
2611          default:          default:
2612              return "bin";              return "bin";
# Line 2127  osm_gps_map_source_get_max_zoom(OsmGpsMa Line 2630  osm_gps_map_source_get_max_zoom(OsmGpsMa
2630          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:
2631              return OSM_MAX_ZOOM;              return OSM_MAX_ZOOM;
2632          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:          case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:
2633          case OSM_GPS_MAP_SOURCE_OPENAERIALMAP:          case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP:
2634          case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:          case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:
2635          case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID:          case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID:
2636          case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET:          case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET:
# Line 2361  osm_gps_map_clear_images (OsmGpsMap *map Line 2864  osm_gps_map_clear_images (OsmGpsMap *map
2864  }  }
2865    
2866  void  void
 osm_gps_map_osd_speed (OsmGpsMap *map, float speed)  
 {  
     OsmGpsMapPrivate *priv;  
   
     PangoContext        *context = NULL;  
     PangoLayout     *layout  = NULL;  
     PangoFontDescription    *desc    = NULL;  
   
     GdkColor color;  
     GdkGC *gc;  
   
     gchar *buffer;  
     //static int x = 10, y = 10;  
     static int width = 0, height = 0;  
   
     g_return_if_fail (OSM_IS_GPS_MAP (map));  
     priv = map->priv;  
   
     buffer = g_strdup_printf("%.0f", speed);  
   
     /* pango initialisation */  
     context = gtk_widget_get_pango_context (GTK_WIDGET(map));  
     layout  = pango_layout_new (context);  
     desc    = pango_font_description_new();  
   
     pango_font_description_set_size (desc, 40 * PANGO_SCALE);  
     pango_layout_set_font_description (layout, desc);  
     pango_layout_set_text (layout, buffer, strlen(buffer));  
   
     gc = gdk_gc_new (GTK_WIDGET(map)->window);  
   
     color.red = (0 > 50) ? 0xffff : 0;  
     color.green = 0;  
     color.blue = 0;  
   
     gdk_gc_set_rgb_fg_color (gc, &color);  
   
     /* faster / less flicker alternative:*/  
     gdk_draw_drawable (  
                        GTK_WIDGET(map)->window,  
                        GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(map)],  
                        priv->pixmap,  
                        0,0,  
                        0,0,  
                        width+10,width+10);  
   
     gdk_draw_layout(GTK_WIDGET(map)->window,  
                     gc,  
                     0, 0,  
                     layout);  
   
     /* set width and height */  
     pango_layout_get_pixel_size(layout, &width, &height);  
   
     g_free(buffer);  
     pango_font_description_free (desc);  
     g_object_unref (layout);  
     g_object_unref (gc);  
 }  
   
 void  
2867  osm_gps_map_draw_gps (OsmGpsMap *map, float latitude, float longitude, float heading)  osm_gps_map_draw_gps (OsmGpsMap *map, float latitude, float longitude, float heading)
2868  {  {
2869      int pixel_x, pixel_y;      int pixel_x, pixel_y;
# Line 2553  osm_gps_map_get_scale(OsmGpsMap *map) Line 2995  osm_gps_map_get_scale(OsmGpsMap *map)
2995      return osm_gps_map_get_scale_at_point(priv->map_zoom, priv->center_rlat, priv->center_rlon);      return osm_gps_map_get_scale_at_point(priv->map_zoom, priv->center_rlat, priv->center_rlon);
2996  }  }
2997    
2998    #ifdef ENABLE_BALLOON
2999    void
3000    osm_gps_map_draw_balloon (OsmGpsMap *map, float latitude, float longitude,
3001                              OsmGpsMapBalloonCallback cb, gpointer data)
3002    {
3003        OsmGpsMapPrivate *priv;
3004    
3005        /* remove and previously installed balloon */
3006        osm_gps_map_clear_balloon (map);
3007    
3008        g_return_if_fail (OSM_IS_GPS_MAP (map));
3009        priv = map->priv;
3010    
3011        priv->balloon.coo->rlat = deg2rad(latitude);
3012        priv->balloon.coo->rlon = deg2rad(longitude);
3013        priv->balloon.valid = TRUE;
3014    
3015        priv->balloon.cb = cb;
3016        priv->balloon.data = data;
3017    
3018        // this redraws the map
3019        osm_gps_map_map_redraw_idle(map);
3020    }
3021    
3022    void
3023    osm_gps_map_clear_balloon (OsmGpsMap *map)
3024    {
3025        OsmGpsMapPrivate *priv;
3026    
3027        g_return_if_fail (OSM_IS_GPS_MAP (map));
3028        priv = map->priv;
3029    
3030        priv->balloon.valid = FALSE;
3031    
3032        osm_gps_map_map_redraw_idle(map);
3033    }
3034    #endif
3035    
3036    #ifdef ENABLE_OSD
3037    
3038    void
3039    osm_gps_map_redraw (OsmGpsMap *map)
3040    {
3041        osm_gps_map_map_redraw_idle(map);
3042    }
3043    
3044    osm_gps_map_osd_t *osm_gps_map_osd_get(OsmGpsMap *map) {
3045        g_return_val_if_fail (OSM_IS_GPS_MAP (map), NULL);
3046        return map->priv->osd;
3047    }
3048    
3049    void osm_gps_map_register_osd(OsmGpsMap *map, osm_gps_map_osd_t *osd) {
3050        OsmGpsMapPrivate *priv;
3051    
3052        g_return_if_fail (OSM_IS_GPS_MAP (map));
3053    
3054        priv = map->priv;
3055        g_return_if_fail (!priv->osd);
3056    
3057        priv->osd = osd;
3058    }
3059    
3060    void
3061    osm_gps_map_repaint (OsmGpsMap *map) {
3062        osm_gps_map_expose (GTK_WIDGET(map), NULL);
3063    }
3064    
3065    #endif
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