Diff of /trunk/src/map-tool.c

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revision 33 by harbaum, Tue Jul 28 13:21:40 2009 UTC revision 136 by harbaum, Mon Oct 19 13:02:41 2009 UTC
# Line 1  Line 1 
1  /*  /*
2   * Copyright (C) 2008 Till Harbaum <till@harbaum.org>.   * Copyright (C) 2008-2009 Till Harbaum <till@harbaum.org>.
3   *   *
4   * This file is part of GPXView.   * This file is part of GPXView.
5   *   *
# Line 17  Line 17 
17   * along with GPXView.  If not, see <http://www.gnu.org/licenses/>.   * along with GPXView.  If not, see <http://www.gnu.org/licenses/>.
18   */   */
19    
20    /*
21     * http://topo.geofabrik.de/relief/${z}/${x}/${y}.png  8-15
22     * http://topo.geofabrik.de/trail/${z}/${x}/${y}.png   8-15
23     */
24    
25  #include "gpxview.h"  #include "gpxview.h"
26    #include "converter.h"
27    #include <math.h>    // for isnan
28    
29  #ifdef ENABLE_OSM_GPS_MAP  #ifdef ENABLE_OSM_GPS_MAP
30  #include "osm-gps-map.h"  #include "osm-gps-map.h"
31    #include "osm-gps-map-osd-classic.h"
32  #endif  #endif
33    
34  typedef struct {  #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5)
35    GtkWidget *widget;  #include <gdk/gdkx.h>
36    GtkWidget *zoomin, *zoomout, *gps;  #include <X11/Xatom.h>
37    gint handler_id;  #endif
 } map_context_t;  
38    
39  static const char *get_proxy_uri(void) {  /* default values */
40    static char proxy_buffer[64];  #define MAP_SOURCE  OSM_GPS_MAP_SOURCE_OPENCYCLEMAP
41    #define GPS_DEFAULT_ZOOM 13
42    
43    #define PROXY_KEY  "/system/http_proxy/"
44    
45    static const char *get_proxy_uri(appdata_t *appdata) {
46      static char proxy_buffer[64] = "";
47    
48    /* use environment settings if preset */    /* use environment settings if preset */
49    const char *proxy = g_getenv("http_proxy");    const char *proxy = g_getenv("http_proxy");
# Line 39  static const char *get_proxy_uri(void) { Line 52  static const char *get_proxy_uri(void) {
52      return proxy;      return proxy;
53    }    }
54    
55  #if 0    /* ------------- get proxy settings -------------------- */
56    /* otherwise try settings */    if(gconf_client_get_bool(appdata->gconf_client,
57    if(!settings || !settings->proxy ||                             PROXY_KEY "use_http_proxy", NULL)) {
58       !settings->proxy->host) return NULL;  
59        /* we can savely ignore things like "ignore_hosts" since we */
60        /* are pretty sure not inside the net of one of our map renderers */
61        /* (unless the user works at google :-) */
62    
63        /* get basic settings */
64        char *host =
65          gconf_client_get_string(appdata->gconf_client, PROXY_KEY "host", NULL);
66        if(host) {
67          int port =
68            gconf_client_get_int(appdata->gconf_client, PROXY_KEY "port", NULL);
69    
70          snprintf(proxy_buffer, sizeof(proxy_buffer),
71                   "http://%s:%u", host, port);
72    
73          g_free(host);
74        }
75        return proxy_buffer;
76      }
77    
78    snprintf(proxy_buffer, sizeof(proxy_buffer), "%s%s:%u",    return NULL;
79             strncmp(settings->proxy->host, "http://", 7)?"http://":"",  }
            settings->proxy->host, settings->proxy->port);  
80    
81    proxy_buffer[sizeof(proxy_buffer)-1] = 0;  static void
82    printf("gconf_proxy: %s\n", proxy_buffer);  cb_map_gps(osd_button_t but, map_context_t *context) {
83  #endif    if(but == OSD_GPS) {
84        pos_t *refpos = get_pos(context->appdata);
85        if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
86          gint zoom;
87          g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL);
88          if(zoom < 10)
89            osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
90                                      refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM);
91          else
92            osm_gps_map_set_center(OSM_GPS_MAP(context->widget),
93                                   refpos->lat, refpos->lon);
94    
95          /* re-enable centering */
96          g_object_set(context->widget, "auto-center", TRUE, NULL);
97        } else {
98          /* no coordinates given: display the entire world */
99          osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
100                                    0.0, 0.0, 1);
101        }
102      }
103    }
104    
105    return proxy_buffer;  static int dist2pixel(map_context_t *context, float km, float lat) {
106      return 1000.0*km/osm_gps_map_get_scale(OSM_GPS_MAP(context->widget));
107  }  }
108    
109  static void map_zoom(map_context_t *context, int step) {  static gboolean map_gps_update(gpointer data) {
110    int zoom;    map_context_t *context = (map_context_t*)data;
   OsmGpsMap *map = OSM_GPS_MAP(context->widget);  
   g_object_get(map, "zoom", &zoom, NULL);  
   zoom = osm_gps_map_set_zoom(map, zoom+step);  
111    
112    /* enable/disable zoom buttons as required */    /* get reference position ... */
113    gtk_widget_set_sensitive(context->zoomin, zoom<17);    pos_t *refpos = get_pos(context->appdata);
114    gtk_widget_set_sensitive(context->zoomout, zoom>1);    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);
115    
116      /* ... and enable "goto" button if it's valid */
117      osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget),
118                     OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context);
119    
120      if(ok) {
121        float heading = NAN;
122        int radius = 0;
123    
124        if(context->appdata->use_gps) {
125          heading = gps_get_heading(context->appdata);
126    
127          /* get error */
128          float eph = gps_get_eph(context->appdata);
129          if(!isnan(eph))
130            radius = dist2pixel(context, eph/1000, refpos->lat);
131        }
132    
133        g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL);
134        osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),
135                             refpos->lat, refpos->lon, heading);
136      } else
137        osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget));
138    
139      return TRUE;
140  }  }
141    
142  static gboolean  static gboolean on_map_configure(GtkWidget *widget,
143  cb_map_zoomin(GtkButton *button, map_context_t *context) {                                   GdkEventConfigure *event,
144    map_zoom(context, +1);                                   map_context_t *context) {
145    
146      if(!context->map_complete) {
147    
148        /* set default values if they are invalid */
149        if(!context->appdata->map.zoom ||
150           isnan(context->appdata->map.pos.lat) ||
151           isnan(context->appdata->map.pos.lon)) {
152          printf("no valid map position found\n");
153    
154          pos_t *refpos = get_pos(context->appdata);
155          if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
156            /* use gps position if present */
157            context->appdata->map.pos = *refpos;
158            context->appdata->map.zoom = GPS_DEFAULT_ZOOM;
159          } else {
160            /* use world map otherwise */
161            context->appdata->map.pos.lat = 0.0;
162            context->appdata->map.pos.lon = 0.0;
163            context->appdata->map.zoom = 1;
164          }
165        }
166    
167        /* jump to initial position */
168        osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
169                                  context->appdata->map.pos.lat,
170                                  context->appdata->map.pos.lon,
171                                  context->appdata->map.zoom);
172        context->map_complete = TRUE;
173      }
174    
175    return FALSE;    return FALSE;
176  }  }
177    
178    static void map_draw_cache(GtkWidget *map, cache_t *cache) {
179      GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type);
180    
181      /* check if there's also an overwritten coordinate */
182      if(cache->notes && cache->notes->override) {
183        GdkPixbuf *over = icon_get(ICON_MISC, 1);
184    
185        osm_gps_map_add_image(OSM_GPS_MAP(map),
186              cache->notes->pos.lat, cache->notes->pos.lon, icon);
187    
188        osm_gps_map_add_image(OSM_GPS_MAP(map),
189              cache->notes->pos.lat, cache->notes->pos.lon, over);
190      } else
191        osm_gps_map_add_image(OSM_GPS_MAP(map),
192                              cache->pos.lat, cache->pos.lon, icon);
193    
194    }
195    
196    static void map_draw_gpx(appdata_t *appdata, GtkWidget *map, gpx_t *gpx) {
197      if(!gpx->notes_loaded) {
198        notes_load_all(appdata, gpx);
199        gpx->notes_loaded = TRUE;
200      }
201    
202      cache_t *cache = gpx->cache;
203      while(cache) {
204        map_draw_cache(map, cache);
205        cache = cache->next;
206      }
207    }
208    
209    static void
210    map_cachelist_nearest(cache_t *cache, pos_t *pos,
211                          cache_t **result, float *distance) {
212      while(cache) {
213        pos_t cpos = gpx_cache_pos(cache);
214    
215        float dist =
216          pow(cpos.lat - pos->lat, 2) +
217          pow(cpos.lon - pos->lon, 2);
218    
219        if(!(dist > *distance)) {
220          *result = cache;
221          *distance = dist;
222        }
223    
224        cache = cache->next;
225      }
226    }
227    
228    static cache_t *map_closest(map_context_t *context, pos_t *pos) {
229      cache_t *result = NULL;
230      float distance = NAN;
231    
232      if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
233        /* search all geocaches */
234        gpx_t *gpx = context->appdata->gpx;
235        while(gpx) {
236          map_cachelist_nearest(gpx->cache, pos, &result, &distance);
237          gpx = gpx->next;
238        }
239      } else if(context->appdata->cur_gpx) {
240        map_cachelist_nearest(context->appdata->cur_gpx->cache,
241                              pos, &result, &distance);
242      } else
243        result = context->appdata->cur_gpx->cache;
244    
245      return result;
246    }
247    
248    /* translate between osm-gps-map positions and gpxview ones */
249    pos_t coord2pos(coord_t coo) {
250      pos_t pos;
251      pos.lat = rad2deg(coo.rlat);
252      pos.lon = rad2deg(coo.rlon);
253      return pos;
254    }
255    
256    #define CLICK_FUZZ (24)
257    
258  static gboolean  static gboolean
259  cb_map_zoomout(GtkButton *button, map_context_t *context) {  on_map_button_press_event(GtkWidget *widget,
260    map_zoom(context, -1);                              GdkEventButton *event, map_context_t *context) {
261      OsmGpsMap *map = OSM_GPS_MAP(context->widget);
262    
263      /* check if we actually clicked parts of the OSD */
264      if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE)
265        return FALSE;
266    
267      /* got a press event without release event? eat it! */
268      if(context->press_on != NULL) {
269        printf("PRESS: already\n");
270        return FALSE;
271      }
272    
273      pos_t pos =
274        coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
275    
276      cache_t *nearest = map_closest(context, &pos);
277      if(nearest) {
278        pos_t cpos = gpx_cache_pos(nearest);
279    
280        float dist = gpx_pos_get_distance(pos, cpos, FALSE);
281        if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ)
282          context->press_on = nearest;
283      }
284    
285    return FALSE;    return FALSE;
286  }  }
287    
288    static void
289    cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf *buf, gint x, gint y) {
290      /* convert the pixbuf into something cairo can handle */
291    
292      // Create a new ImageSurface
293      cairo_surface_t *image_surface =
294        cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
295                                   gdk_pixbuf_get_width(buf),
296                                   gdk_pixbuf_get_height(buf));
297    
298      // Create the new Context for the ImageSurface
299      cairo_t *context = cairo_create(image_surface);
300    
301      // Draw the image on the new Context
302      gdk_cairo_set_source_pixbuf(context, buf, 0.0, 0.0);
303      cairo_paint(context);
304    
305      // now draw this onto the original context
306      cairo_set_source_surface(cr, image_surface, x, y);
307    
308      cairo_paint(cr);
309    }
310    
311    #ifndef BIG_BALLOONS
312    #define LINE_SKIP  7
313    #else
314    #define LINE_SKIP  12
315    #endif
316    
317    static void
318    balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) {
319      map_context_t *context = (map_context_t*)data;
320      cache_t *cache = context->balloon;
321    
322      printf("balloon event: ");
323    
324      if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) {
325        printf("draw\n");
326    
327    #if 0
328        /* draw pink background to check clipping */
329        cairo_rectangle (event->data.draw.cr,
330                         event->data.draw.rect->x-20, event->data.draw.rect->y-20,
331                         event->data.draw.rect->w+40, event->data.draw.rect->h+40);
332        cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3);
333        cairo_fill_preserve (event->data.draw.cr);
334        cairo_set_line_width (event->data.draw.cr, 0);
335        cairo_stroke (event->data.draw.cr);
336    #endif
337    
338        /* leave a little border top and left */
339        gint x = event->data.draw.rect->x, y = event->data.draw.rect->y;
340    
341        /* draw the cache type icon ... */
342        GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type);
343        cairo_draw_pixbuf(event->data.draw.cr, icon, x, y);
344    
345        if(cache->notes && cache->notes->override) {
346          GdkPixbuf *over = icon_get(ICON_MISC, 1);
347          cairo_draw_pixbuf(event->data.draw.cr, over, x, y);
348        }
349    
350        /* ... and right of it the waypoint id */
351        cairo_text_extents_t extents;
352    
353        if(cache->id) {
354          cairo_select_font_face (event->data.draw.cr, "Sans",
355                                  CAIRO_FONT_SLANT_NORMAL,
356                                  CAIRO_FONT_WEIGHT_BOLD);
357    
358    #ifndef BIG_BALLOONS
359          cairo_set_font_size (event->data.draw.cr, 20.0);
360    #else
361          cairo_set_font_size (event->data.draw.cr, 36.0);
362    #endif
363    
364          cairo_text_extents (event->data.draw.cr, cache->id, &extents);
365    
366          /* display id right of icon vertically centered */
367          x += gdk_pixbuf_get_width(icon) + 5;
368          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
369          cairo_move_to (event->data.draw.cr, x, y);
370          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
371          cairo_show_text (event->data.draw.cr, cache->id);
372          cairo_stroke (event->data.draw.cr);
373    
374          y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP;
375        } else
376          y += gdk_pixbuf_get_height(icon);
377    
378        /* return to the left border and below icon/text */
379        x = event->data.draw.rect->x;
380    
381        /* everything from here uses the same font */
382        cairo_select_font_face (event->data.draw.cr, "Sans", CAIRO_FONT_SLANT_NORMAL,
383                                CAIRO_FONT_WEIGHT_NORMAL);
384    #ifndef BIG_BALLOONS
385        cairo_set_font_size (event->data.draw.cr, 14.0);
386    #else
387        cairo_set_font_size (event->data.draw.cr, 22.0);
388    #endif
389    
390        if(cache->name) {
391          /* draw cache name */
392          cairo_text_extents (event->data.draw.cr, cache->name, &extents);
393          y += extents.height;
394          cairo_move_to (event->data.draw.cr, x, y);
395          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
396          cairo_show_text (event->data.draw.cr, cache->name);
397          cairo_stroke (event->data.draw.cr);
398    
399          /* return to the left border and below text */
400          y += LINE_SKIP;
401          x = event->data.draw.rect->x;
402        }
403    
404        if(cache->terrain) {
405          /* draw cache rating */
406          const char *terrain = "Terrain:";
407          icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2));
408          cairo_text_extents (event->data.draw.cr, _(terrain), &extents);
409          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
410    
411          /* draw "Terrain:" string */
412          cairo_move_to (event->data.draw.cr, x, y);
413          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
414          cairo_show_text (event->data.draw.cr, _(terrain));
415          cairo_stroke (event->data.draw.cr);
416          x += extents.width + 2;
417    
418          /* draw terrain stars */
419          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y -
420                            (gdk_pixbuf_get_height(icon) + extents.height)/2);
421    
422          x += gdk_pixbuf_get_width(icon) + LINE_SKIP;
423        y -= (gdk_pixbuf_get_height(icon) + extents.height)/2;
424        }
425    
426        if(cache->difficulty) {
427          const char *difficulty = "Difficulty:";
428          cairo_text_extents (event->data.draw.cr, _(difficulty), &extents);
429          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
430    
431          /* draw "Difficulty:" string */
432          cairo_move_to (event->data.draw.cr, x, y);
433          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
434          cairo_show_text (event->data.draw.cr, _(difficulty));
435          cairo_stroke (event->data.draw.cr);
436          x += extents.width + 2;
437    
438          icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2));
439          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y -
440                          (gdk_pixbuf_get_height(icon) + extents.height)/2);
441        }
442      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) {
443        printf("click %s event at %d %d\n",
444               event->data.click.down?"down":"up",
445               event->data.click.x, event->data.click.y);
446    
447      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) {
448        printf("removed\n");
449        context->balloon = NULL;
450      }
451    }
452    
453  static gboolean  static gboolean
454  cb_map_gps(GtkButton *button, map_context_t *context) {  on_map_button_release_event(GtkWidget *widget,
455                                GdkEventButton *event, map_context_t *context) {
456      OsmGpsMap *map = OSM_GPS_MAP(context->widget);
457    
458    //  osm_gps_map_set_center(OSM_GPS_MAP(context->widget),    /* in "MAP_CACHE" state only one cache is visible */
459    //                     DEG2RAD(pos.lat), DEG2RAD(pos.lon));    /* and the map is in navigation mode. the balloon is */
460      /* pretty useless there */
461      if(context->press_on && (context->state != MAP_CACHE)) {
462    
463        coord_t coo;
464        coo = osm_gps_map_get_co_ordinates(map, event->x, event->y);
465    
466        pos_t pos =
467          coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
468    
469        cache_t *nearest = map_closest(context, &pos);
470        if(nearest && nearest == context->press_on) {
471          pos_t cpos = gpx_cache_pos(nearest);
472    
473          float dist = gpx_pos_get_distance(pos, cpos, FALSE);
474          if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) {
475    
476            context->balloon = nearest;
477            osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon,
478                                         balloon_cb, context);
479          }
480        }
481        context->press_on = NULL;
482      } else {
483        /* save new map position */
484        gfloat lat, lon;
485        g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);
486        context->appdata->map.pos.lat = lat;
487        context->appdata->map.pos.lon = lon;
488      }
489    
490    return FALSE;    return FALSE;
491  }  }
492    
493  static GtkWidget  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {
494  *map_add_button(const gchar *icon, GCallback cb, gpointer data,    appdata_t *appdata = context->appdata;
495                  char *tooltip) {  
496    GtkWidget *button = gtk_button_new();    printf("destroy map window\n");
497    gtk_button_set_image(GTK_BUTTON(button),  
498                         gtk_image_new_from_stock(icon, GTK_ICON_SIZE_MENU));    /* save map parameters */
499    g_signal_connect(button, "clicked", cb, data);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
500  #ifndef USE_MAEMO    gint zoom;
501    gtk_widget_set_tooltip_text(button, tooltip);    g_object_get(map, "zoom", &zoom, NULL);
502      context->appdata->map.zoom = zoom;
503    
504      gfloat lat, lon;
505      g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);
506      context->appdata->map.pos.lat = lat;
507      context->appdata->map.pos.lon = lon;
508    
509      gint source;
510      g_object_get(map, "map-source", &source, NULL);
511      context->appdata->map.source = source;
512    
513    #if MAEMO_VERSION_MAJOR == 5
514      /* restore cur_view */
515      context->appdata->cur_view = context->old_view;
516  #endif  #endif
517    return button;  
518      gtk_timeout_remove(context->handler_id);
519    
520      g_free(context);
521      appdata->map.context = NULL;
522  }  }
523    
524  static gboolean map_gps_update(gpointer data) {  #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
525    map_context_t *context = (map_context_t*)data;  /* get access to zoom buttons */
526    static void
527    on_window_realize(GtkWidget *widget, gpointer data) {
528      if (widget->window) {
529        unsigned char value = 1;
530        Atom hildon_zoom_key_atom =
531          gdk_x11_get_xatom_by_name("_HILDON_ZOOM_KEY_ATOM"),
532          integer_atom = gdk_x11_get_xatom_by_name("INTEGER");
533        Display *dpy =
534          GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(widget->window));
535        Window w = GDK_WINDOW_XID(widget->window);
536    
537    //  gtk_widget_set_sensitive(context->map.gps, gps_fix);      XChangeProperty(dpy, w, hildon_zoom_key_atom,
538                        integer_atom, 8, PropModeReplace, &value, 1);
539      }
540    }
541    #endif
542    
543    return TRUE;  /* draw geocaches and set window title */
544    static void map_setup(map_context_t *context) {
545      char *name = NULL;
546    
547      if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
548        if(context->state != MAP_ALL) {
549          printf("map_setp(ALL)\n");
550    
551          /* no navigation in this mode */
552          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
553    
554          /* clear all existing ccahe images */
555          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
556    
557          /* draw all geocaches */
558          gpx_t *gpx = context->appdata->gpx;
559          while(gpx) {
560            map_draw_gpx(context->appdata, context->widget, gpx);
561            gpx = gpx->next;
562          }
563          name = g_strdup(_("all"));
564          context->state = MAP_ALL;
565        }
566      } else if(!context->appdata->cur_cache) {
567        if(context->state != MAP_GPX) {
568          printf("map_setp(GPX)\n");
569    
570          /* no navigation in this mode */
571          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
572    
573          /* clear all existing ccahe images */
574          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
575    
576          map_draw_gpx(context->appdata, context->widget,
577                       context->appdata->cur_gpx);
578          name = g_strdup(context->appdata->cur_gpx->name);
579          context->state = MAP_GPX;
580        }
581      } else {
582        cache_t *cache = context->appdata->cur_cache;
583    
584        printf("map_setp(CACHE)\n");
585    
586        /* no balloons in this mode */
587        context->balloon = NULL;
588        osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
589    
590        /* clear all existing ccahe images */
591        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
592    
593        map_draw_cache(context->widget, cache);
594        name = g_strdup(cache->name);
595        context->state = MAP_CACHE;
596    
597        /* navigation in this mode! */
598        pos_t cpos = gpx_cache_pos(cache);
599        osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget),
600                                  context->appdata->imperial,
601                                  cpos.lat, cpos.lon, cache->name);
602      }
603    
604      if(name) {
605        char *title = g_strdup_printf(_("Map - %s"), name);
606        g_free(name);
607    
608        gtk_window_set_title(GTK_WINDOW(context->window), title);
609    
610        g_free(title);
611      } else
612        printf("map_setup(keep)\n");
613  }  }
614    
615    /* on maemo a window is either on top or completely invisible. this means that */
616    /* we only need to update the map window if its raised. on ordinary desktops this */
617    /* is different and we always update */
618    static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event,
619                             gpointer data) {
620      printf("map got focus\n");
621      map_setup((map_context_t*)data);
622      return FALSE;
623    }
624    
625    void map_update(appdata_t *appdata) {
626    #ifndef USE_MAEMO
627      if(appdata->map.context)
628        map_setup(appdata->map.context);
629    #endif
630    }
631    
632  void map(appdata_t *appdata) {  void map(appdata_t *appdata) {
633    map_context_t context;    map_context_t *context = NULL;
634    
635    GtkWidget *dialog = gtk_dialog_new_with_buttons(_("Map"),    /* if the map window already exists, just raise it */
636                            GTK_WINDOW(appdata->window),    if(appdata->map.context) {
637                            GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,      printf("using existing map!\n");
638                            GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,      gtk_window_present(GTK_WINDOW(appdata->map.context->window));
639                            NULL);      map_setup(appdata->map.context);
640        return;
641      }
642    
643  #ifndef USE_MAEMO    context = appdata->map.context = g_new0(map_context_t, 1);
644    gtk_window_set_default_size(GTK_WINDOW(dialog), 400, 350);    context->appdata = appdata;
645      context->map_complete = FALSE;
646      context->state = MAP_NONE;
647    
648      /* cleanup old (pre 0.8.7) path if it exists */
649      char *old_path = g_strdup_printf("%s/map/", appdata->image_path);
650      if(g_file_test(old_path, G_FILE_TEST_IS_DIR)) {
651        printf("old file path %s exists\n", old_path);
652        rmdir_recursive(old_path);
653      }
654    
655      /* It is recommanded that all applications share these same */
656      /* map path, so data is only cached once. The path should be: */
657      /* ~/.osm-gps-map on standard PC     (users home) */
658      /* /home/user/.osm-gps-map on Maemo5 (ext3 on internal card) */
659      /* /media/mmc2/osm-gps-map on Maemo4 (vfat on internal card) */
660    #if !defined(USE_MAEMO)
661      char *p = getenv("HOME");
662      if(!p) p = "/tmp";
663      char *path = g_strdup_printf("%s/.osm-gps-map", p);
664  #else  #else
665    gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480);  #if MAEMO_VERSION_MAJOR == 5
666      char *path = g_strdup("/home/user/.osm-gps-map");
667    #else
668      char *path = g_strdup("/media/mmc2/osm-gps-map");
669    #endif
670  #endif  #endif
671    
672    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);    const char *proxy = get_proxy_uri(appdata);
673    
674    char *path = g_strdup_printf("%s/map/", appdata->image_path);    gint source = context->appdata->map.source;
675      if(!source) source = MAP_SOURCE;
676    
677    context.widget = g_object_new(OSM_TYPE_GPS_MAP,    context->widget = g_object_new(OSM_TYPE_GPS_MAP,
678                  "repo-uri", MAP_SOURCE_OPENSTREETMAP,                   "map-source",               source,
679                  "proxy-uri", get_proxy_uri(),                   "tile-cache",               path,
680                  "tile-cache", path,                   "auto-center",              FALSE,
681                     "record-trip-history",      FALSE,
682                     "show-trip-history",        FALSE,
683                     proxy?"proxy-uri":NULL,     proxy,
684                   NULL);                   NULL);
685    
686    g_free(path);    g_free(path);
687    
688  #if 0    osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget));
689    g_signal_connect(G_OBJECT(context.widget), "button-release-event",  
690                     G_CALLBACK(on_map_button_release_event), &context);  #ifdef USE_MAEMO
691      /* we don't use a stackable window here on fremantle, since */
692      /* this leaves the main window independent from the map and */
693      /* the user can e.g. still navigate the main menu */
694      context->window = hildon_window_new();
695    
696    #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
697      g_signal_connect(G_OBJECT(context->window), "realize",
698                       G_CALLBACK(on_window_realize), NULL);
699    #endif // MAEMO_VERSION
700    #else
701      context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
702  #endif  #endif
703    
704    gtk_box_pack_start_defaults(GTK_BOX(hbox), context.widget);    /* setup cache state */
705    /* zoom button box */    map_setup(context);
   GtkWidget *vbox = gtk_vbox_new(FALSE,0);  
   
   context.zoomin =  
     map_add_button(GTK_STOCK_ZOOM_IN, G_CALLBACK(cb_map_zoomin),  
                    &context, _("Zoom in"));  
   gtk_box_pack_start(GTK_BOX(vbox), context.zoomin, FALSE, FALSE, 0);  
   
   context.zoomout =  
     map_add_button(GTK_STOCK_ZOOM_OUT, G_CALLBACK(cb_map_zoomout),  
                    &context, _("Zoom out"));  
   gtk_box_pack_start(GTK_BOX(vbox), context.zoomout, FALSE, FALSE, 0);  
   
   context.gps =  
     map_add_button(GTK_STOCK_HOME, G_CALLBACK(cb_map_gps),  
                    &context, _("Jump to GPS position"));  
   gtk_widget_set_sensitive(context.gps, FALSE);  
   /* install handler for timed updates of the gps button */  
   context.handler_id = gtk_timeout_add(1000, map_gps_update, &context);  
   gtk_box_pack_start(GTK_BOX(vbox), context.gps, FALSE, FALSE, 0);  
706    
707    gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);  #ifndef USE_MAEMO
708      gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480);
709    #endif
710    
711    gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox);    g_signal_connect(G_OBJECT(context->widget), "focus-in-event",
712                       G_CALLBACK(on_focus_in), context);
713    
714    gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);    g_signal_connect(G_OBJECT(context->widget), "configure-event",
715                       G_CALLBACK(on_map_configure), context);
716    
717    gtk_widget_show_all(dialog);    g_signal_connect(G_OBJECT(context->widget), "button-press-event",
718                       G_CALLBACK(on_map_button_press_event), context);
719    
720    gtk_dialog_run(GTK_DIALOG(dialog));    g_signal_connect(G_OBJECT(context->widget), "button-release-event",
721                       G_CALLBACK(on_map_button_release_event), context);
722    gtk_widget_destroy(dialog);  
723      /* install handler for timed updates of the gps button */
724      context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
725    
726    #if MAEMO_VERSION_MAJOR == 5
727      /* prevent some of the main screen things */
728      context->old_view = appdata->cur_view;
729      appdata->cur_view = NULL;
730    #endif
731    
732      g_signal_connect(G_OBJECT(context->window), "destroy",
733                       G_CALLBACK(on_window_destroy), context);
734    
735      gtk_container_add(GTK_CONTAINER(context->window), context->widget);
736      gtk_widget_show_all(GTK_WIDGET(context->window));
737  }  }
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