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

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revision 33 by harbaum, Tue Jul 28 13:21:40 2009 UTC revision 143 by harbaum, Mon Oct 26 19:55:00 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
33    
34    #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5)
35    #include <gdk/gdkx.h>
36    #include <X11/Xatom.h>
37  #endif  #endif
38    
39  typedef struct {  /* default values */
40    GtkWidget *widget;  #define MAP_SOURCE  OSM_GPS_MAP_SOURCE_OPENCYCLEMAP
41    GtkWidget *zoomin, *zoomout, *gps;  #define GPS_DEFAULT_ZOOM 13
   gint handler_id;  
 } map_context_t;  
42    
43  static const char *get_proxy_uri(void) {  #define PROXY_KEY  "/system/http_proxy/"
44    static char proxy_buffer[64];  
45    static const char *get_proxy_uri(appdata_t *appdata) {
46      static char proxy_buffer[64] = "";
47    
48      printf("get_proxy_uri in\n");
49    
50    /* use environment settings if preset */    /* use environment settings if preset */
51    const char *proxy = g_getenv("http_proxy");    const char *proxy = g_getenv("http_proxy");
52    if(proxy) {    if(proxy) {
# Line 39  static const char *get_proxy_uri(void) { Line 54  static const char *get_proxy_uri(void) {
54      return proxy;      return proxy;
55    }    }
56    
57  #if 0    /* ------------- get proxy settings -------------------- */
58    /* otherwise try settings */    if(gconf_client_get_bool(appdata->gconf_client,
59    if(!settings || !settings->proxy ||                             PROXY_KEY "use_http_proxy", NULL)) {
60       !settings->proxy->host) return NULL;  
61        /* we can savely ignore things like "ignore_hosts" since we */
62        /* are pretty sure not inside the net of one of our map renderers */
63        /* (unless the user works at google :-) */
64    
65        /* get basic settings */
66        char *host =
67          gconf_client_get_string(appdata->gconf_client, PROXY_KEY "host", NULL);
68        if(host) {
69          int port =
70            gconf_client_get_int(appdata->gconf_client, PROXY_KEY "port", NULL);
71    
72          snprintf(proxy_buffer, sizeof(proxy_buffer),
73                   "http://%s:%u", host, port);
74    
75          g_free(host);
76        }
77        return proxy_buffer;
78      }
79    
80    snprintf(proxy_buffer, sizeof(proxy_buffer), "%s%s:%u",    printf("get_proxy_uri out\n");
81             strncmp(settings->proxy->host, "http://", 7)?"http://":"",    return NULL;
82             settings->proxy->host, settings->proxy->port);  }
83    
84    proxy_buffer[sizeof(proxy_buffer)-1] = 0;  static void
85    printf("gconf_proxy: %s\n", proxy_buffer);  cb_map_gps(osd_button_t but, map_context_t *context) {
86  #endif    printf("cb_map_gps in\n");
87    
88      if(but == OSD_GPS) {
89        pos_t *refpos = get_pos(context->appdata);
90        if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
91          gint zoom;
92          g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL);
93          if(zoom < 10)
94            osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
95                                      refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM);
96          else
97            osm_gps_map_set_center(OSM_GPS_MAP(context->widget),
98                                   refpos->lat, refpos->lon);
99    
100          /* re-enable centering */
101          g_object_set(context->widget, "auto-center", TRUE, NULL);
102        } else {
103          /* no coordinates given: display the entire world */
104          osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
105                                    0.0, 0.0, 1);
106        }
107      }
108      printf("cb_map_gps out\n");
109    }
110    
111    return proxy_buffer;  static int dist2pixel(map_context_t *context, float km, float lat) {
112      return 1000.0*km/osm_gps_map_get_scale(OSM_GPS_MAP(context->widget));
113  }  }
114    
115  static void map_zoom(map_context_t *context, int step) {  static gboolean map_gps_update(gpointer data) {
116    int zoom;    map_context_t *context = (map_context_t*)data;
117    OsmGpsMap *map = OSM_GPS_MAP(context->widget);  
118    g_object_get(map, "zoom", &zoom, NULL);    printf("map_gps_update in\n");
   zoom = osm_gps_map_set_zoom(map, zoom+step);  
119    
120    /* enable/disable zoom buttons as required */    /* get reference position ... */
121    gtk_widget_set_sensitive(context->zoomin, zoom<17);    pos_t *refpos = get_pos(context->appdata);
122    gtk_widget_set_sensitive(context->zoomout, zoom>1);    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);
123    
124      /* ... and enable "goto" button if it's valid */
125      osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget),
126                     OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context);
127    
128      if(ok) {
129        float heading = NAN;
130        int radius = 0;
131    
132        if(context->appdata->use_gps) {
133          heading = gps_get_heading(context->appdata);
134    
135          /* get error */
136          float eph = gps_get_eph(context->appdata);
137          if(!isnan(eph))
138            radius = dist2pixel(context, eph/1000, refpos->lat);
139        }
140    
141        g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL);
142        osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),
143                             refpos->lat, refpos->lon, heading);
144      } else
145        osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget));
146    
147      printf("map_gps_update out\n");
148      return TRUE;
149  }  }
150    
151  static gboolean  static void map_draw_cache(GtkWidget *map, cache_t *cache) {
152  cb_map_zoomin(GtkButton *button, map_context_t *context) {    printf("map_draw_cache in\n");
153    map_zoom(context, +1);  
154      GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type);
155    
156      /* check if there's also an overwritten coordinate */
157      if(cache->notes && cache->notes->override) {
158        GdkPixbuf *over = icon_get(ICON_MISC, 1);
159    
160        osm_gps_map_add_image(OSM_GPS_MAP(map),
161              cache->notes->pos.lat, cache->notes->pos.lon, icon);
162    
163        osm_gps_map_add_image(OSM_GPS_MAP(map),
164              cache->notes->pos.lat, cache->notes->pos.lon, over);
165      } else {
166        if(!isnan(cache->pos.lat) && !isnan(cache->pos.lon))
167          osm_gps_map_add_image(OSM_GPS_MAP(map),
168                                cache->pos.lat, cache->pos.lon, icon);
169      }
170      printf("map_draw_cache out\n");
171    }
172    
173    static void map_draw_gpx(appdata_t *appdata, GtkWidget *map, gpx_t *gpx) {
174      printf("map_draw_gpx in\n");
175    
176      if(!gpx->notes_loaded) {
177        notes_load_all(appdata, gpx);
178        gpx->notes_loaded = TRUE;
179      }
180    
181      cache_t *cache = gpx->cache;
182      while(cache) {
183        map_draw_cache(map, cache);
184        cache = cache->next;
185      }
186      printf("map_draw_gpx out\n");
187    }
188    
189    /* draw geocaches and set window title */
190    static void map_setup(map_context_t *context) {
191      char *name = NULL;
192    
193      printf("map_setup in\n");
194    
195      if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
196        if(context->state != MAP_ALL) {
197          printf("map_setup(ALL)\n");
198    
199    #ifdef OSD_NAV
200          /* no navigation in this mode */
201          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
202    #endif
203    
204          /* clear all existing ccahe images */
205          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
206    
207          /* draw all geocaches */
208          gpx_t *gpx = context->appdata->gpx;
209          while(gpx) {
210            map_draw_gpx(context->appdata, context->widget, gpx);
211            gpx = gpx->next;
212          }
213          name = g_strdup(_("all"));
214          context->state = MAP_ALL;
215        }
216      } else if(!context->appdata->cur_cache) {
217        if(context->state != MAP_GPX) {
218          printf("map_setup(GPX)\n");
219    
220    #ifdef OSD_NAV
221          /* no navigation in this mode */
222          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
223    #endif
224    
225          /* clear all existing ccahe images */
226          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
227    
228          map_draw_gpx(context->appdata, context->widget,
229                       context->appdata->cur_gpx);
230          name = g_strdup(context->appdata->cur_gpx->name);
231          context->state = MAP_GPX;
232        }
233      } else {
234        cache_t *cache = context->appdata->cur_cache;
235    
236        printf("map_setp(CACHE)\n");
237    
238        /* no balloons in this mode */
239        context->balloon = NULL;
240        osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
241    
242        /* clear all existing ccahe images */
243        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
244    
245        map_draw_cache(context->widget, cache);
246        name = g_strdup(cache->name);
247        context->state = MAP_CACHE;
248    
249        /* navigation in this mode! */
250        pos_t cpos = gpx_cache_pos(cache);
251    
252    #ifdef OSD_NAV
253        osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget),
254                                  context->appdata->imperial,
255                                  cpos.lat, cpos.lon, cache->name);
256    #else
257    #warning OSD_NAV not defined!
258    #endif
259      }
260    
261      if(name) {
262        char *title = g_strdup_printf(_("Map - %s"), name);
263        g_free(name);
264    
265        gtk_window_set_title(GTK_WINDOW(context->window), title);
266    
267        g_free(title);
268      } else
269        printf("map_setup(keep)\n");
270    
271      printf("map_setup out\n");
272    }
273    
274    static gboolean on_map_configure(GtkWidget *widget,
275                                     GdkEventConfigure *event,
276                                     map_context_t *context) {
277    
278      /* for some reason there's a configure event with 1/1 */
279      /* on diablo. We just ignore this! */
280    
281      printf("on_map_configure %d %d\n",
282             widget->allocation.width,
283             widget->allocation.height);
284    
285      if(!context->map_complete &&
286         (widget->allocation.width > 100) &&
287         (widget->allocation.height > 100)) {
288    
289        /* setup cache state */
290        map_setup(context);
291    
292        /* set default values if they are invalid */
293        if(!context->appdata->map.zoom ||
294           isnan(context->appdata->map.pos.lat) ||
295           isnan(context->appdata->map.pos.lon)) {
296          printf("no valid map position found\n");
297    
298          pos_t *refpos = get_pos(context->appdata);
299          if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
300            printf("use refpos\n");
301    
302            /* use gps position if present */
303            context->appdata->map.pos = *refpos;
304            context->appdata->map.zoom = GPS_DEFAULT_ZOOM;
305          } else {
306            printf("use zero pos\n");
307    
308            /* use world map otherwise */
309            context->appdata->map.pos.lat = 0.0;
310            context->appdata->map.pos.lon = 0.0;
311            context->appdata->map.zoom = 1;
312          }
313        }
314    
315        /* jump to initial position */
316        printf("osm_gps_map_set_mapcenter(%f,%f,%d)\n",
317               context->appdata->map.pos.lat,
318               context->appdata->map.pos.lon,
319               context->appdata->map.zoom);
320    
321        osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
322                                  context->appdata->map.pos.lat,
323                                  context->appdata->map.pos.lon,
324                                  context->appdata->map.zoom);
325        context->map_complete = TRUE;
326      }
327    
328      printf("map configure done\n");
329    return FALSE;    return FALSE;
330  }  }
331    
332    static void
333    map_cachelist_nearest(cache_t *cache, pos_t *pos,
334                          cache_t **result, float *distance) {
335      printf("map_cachelist_nearest in\n");
336      while(cache) {
337        pos_t cpos = gpx_cache_pos(cache);
338    
339        float dist =
340          pow(cpos.lat - pos->lat, 2) +
341          pow(cpos.lon - pos->lon, 2);
342    
343        if(!(dist > *distance)) {
344          *result = cache;
345          *distance = dist;
346        }
347    
348        cache = cache->next;
349      }
350      printf("map_cachelist_nearest out\n");
351    }
352    
353    static cache_t *map_closest(map_context_t *context, pos_t *pos) {
354      cache_t *result = NULL;
355      float distance = NAN;
356    
357      printf("map_closest in\n");
358    
359      if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
360        /* search all geocaches */
361        gpx_t *gpx = context->appdata->gpx;
362        while(gpx) {
363          map_cachelist_nearest(gpx->cache, pos, &result, &distance);
364          gpx = gpx->next;
365        }
366      } else if(context->appdata->cur_gpx) {
367        map_cachelist_nearest(context->appdata->cur_gpx->cache,
368                              pos, &result, &distance);
369      } else
370        result = context->appdata->cur_gpx->cache;
371    
372      printf("map_closest out\n");
373      return result;
374    }
375    
376    /* translate between osm-gps-map positions and gpxview ones */
377    pos_t coord2pos(coord_t coo) {
378      pos_t pos;
379      pos.lat = rad2deg(coo.rlat);
380      pos.lon = rad2deg(coo.rlon);
381      return pos;
382    }
383    
384    #define CLICK_FUZZ (24)
385    
386  static gboolean  static gboolean
387  cb_map_zoomout(GtkButton *button, map_context_t *context) {  on_map_button_press_event(GtkWidget *widget,
388    map_zoom(context, -1);                              GdkEventButton *event, map_context_t *context) {
389      printf("on_map_button_press_event in\n");
390    
391      OsmGpsMap *map = OSM_GPS_MAP(context->widget);
392    
393      /* check if we actually clicked parts of the OSD */
394      if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE) {
395        printf("on_map_button_press_event out 1\n");
396        return FALSE;
397      }
398    
399      /* got a press event without release event? eat it! */
400      if(context->press_on != NULL) {
401        printf("PRESS: already\n");
402        return FALSE;
403      }
404    
405      pos_t pos =
406        coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
407    
408      cache_t *nearest = map_closest(context, &pos);
409      if(nearest) {
410        pos_t cpos = gpx_cache_pos(nearest);
411    
412        float dist = gpx_pos_get_distance(pos, cpos, FALSE);
413        if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ)
414          context->press_on = nearest;
415      }
416    
417      printf("on_map_button_press_event out\n");
418    return FALSE;    return FALSE;
419  }  }
420    
421    static void
422    cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf *buf, gint x, gint y) {
423      /* convert the pixbuf into something cairo can handle */
424    
425      printf("cairo_draw_pixbuf in\n");
426    
427      // Create a new ImageSurface
428      cairo_surface_t *image_surface =
429        cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
430                                   gdk_pixbuf_get_width(buf),
431                                   gdk_pixbuf_get_height(buf));
432    
433      // Create the new Context for the ImageSurface
434      cairo_t *context = cairo_create(image_surface);
435    
436      // Draw the image on the new Context
437      gdk_cairo_set_source_pixbuf(context, buf, 0.0, 0.0);
438      cairo_paint(context);
439    
440      // now draw this onto the original context
441      cairo_set_source_surface(cr, image_surface, x, y);
442    
443      cairo_paint(cr);
444      printf("cairo_draw_pixbuf out\n");
445    }
446    
447    #ifndef BIG_BALLOONS
448    #define LINE_SKIP  7
449    #else
450    #define LINE_SKIP  12
451    #endif
452    
453    static void
454    balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) {
455      printf("balloon event:\n");
456    
457      map_context_t *context = (map_context_t*)data;
458      cache_t *cache = context->balloon;
459    
460      if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) {
461        printf("draw\n");
462    
463    #if 0
464        /* draw pink background to check clipping */
465        cairo_rectangle (event->data.draw.cr,
466                         event->data.draw.rect->x-20, event->data.draw.rect->y-20,
467                         event->data.draw.rect->w+40, event->data.draw.rect->h+40);
468        cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3);
469        cairo_fill_preserve (event->data.draw.cr);
470        cairo_set_line_width (event->data.draw.cr, 0);
471        cairo_stroke (event->data.draw.cr);
472    #endif
473    
474        /* leave a little border top and left */
475        gint x = event->data.draw.rect->x, y = event->data.draw.rect->y;
476    
477        /* draw the cache type icon ... */
478        GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type);
479        cairo_draw_pixbuf(event->data.draw.cr, icon, x, y);
480    
481        if(cache->notes && cache->notes->override) {
482          GdkPixbuf *over = icon_get(ICON_MISC, 1);
483          cairo_draw_pixbuf(event->data.draw.cr, over, x, y);
484        }
485    
486        /* ... and right of it the waypoint id */
487        cairo_text_extents_t extents;
488    
489        if(cache->id) {
490          cairo_select_font_face (event->data.draw.cr, "Sans",
491                                  CAIRO_FONT_SLANT_NORMAL,
492                                  CAIRO_FONT_WEIGHT_BOLD);
493    
494    #ifndef BIG_BALLOONS
495          cairo_set_font_size (event->data.draw.cr, 20.0);
496    #else
497          cairo_set_font_size (event->data.draw.cr, 36.0);
498    #endif
499    
500          cairo_text_extents (event->data.draw.cr, cache->id, &extents);
501    
502          /* display id right of icon vertically centered */
503          x += gdk_pixbuf_get_width(icon) + 5;
504          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
505          cairo_move_to (event->data.draw.cr, x, y);
506          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
507          cairo_show_text (event->data.draw.cr, cache->id);
508          cairo_stroke (event->data.draw.cr);
509    
510          y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP;
511        } else
512          y += gdk_pixbuf_get_height(icon);
513    
514        /* return to the left border and below icon/text */
515        x = event->data.draw.rect->x;
516    
517        /* everything from here uses the same font */
518        cairo_select_font_face (event->data.draw.cr, "Sans", CAIRO_FONT_SLANT_NORMAL,
519                                CAIRO_FONT_WEIGHT_NORMAL);
520    #ifndef BIG_BALLOONS
521        cairo_set_font_size (event->data.draw.cr, 14.0);
522    #else
523        cairo_set_font_size (event->data.draw.cr, 22.0);
524    #endif
525    
526        if(cache->name) {
527          /* draw cache name */
528          cairo_text_extents (event->data.draw.cr, cache->name, &extents);
529          y += extents.height;
530          cairo_move_to (event->data.draw.cr, x, y);
531          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
532          cairo_show_text (event->data.draw.cr, cache->name);
533          cairo_stroke (event->data.draw.cr);
534    
535          /* return to the left border and below text */
536          y += LINE_SKIP;
537          x = event->data.draw.rect->x;
538        }
539    
540        if(cache->terrain) {
541          /* draw cache rating */
542          const char *terrain = "Terrain:";
543          icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2));
544          cairo_text_extents (event->data.draw.cr, _(terrain), &extents);
545          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
546    
547          /* draw "Terrain:" string */
548          cairo_move_to (event->data.draw.cr, x, y);
549          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
550          cairo_show_text (event->data.draw.cr, _(terrain));
551          cairo_stroke (event->data.draw.cr);
552          x += extents.width + 2;
553    
554          /* draw terrain stars */
555          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y -
556                            (gdk_pixbuf_get_height(icon) + extents.height)/2);
557    
558          x += gdk_pixbuf_get_width(icon) + LINE_SKIP;
559        y -= (gdk_pixbuf_get_height(icon) + extents.height)/2;
560        }
561    
562        if(cache->difficulty) {
563          const char *difficulty = "Difficulty:";
564          cairo_text_extents (event->data.draw.cr, _(difficulty), &extents);
565          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
566    
567          /* draw "Difficulty:" string */
568          cairo_move_to (event->data.draw.cr, x, y);
569          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
570          cairo_show_text (event->data.draw.cr, _(difficulty));
571          cairo_stroke (event->data.draw.cr);
572          x += extents.width + 2;
573    
574          icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2));
575          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y -
576                          (gdk_pixbuf_get_height(icon) + extents.height)/2);
577        }
578      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) {
579        printf("click %s event at %d %d\n",
580               event->data.click.down?"down":"up",
581               event->data.click.x, event->data.click.y);
582    
583        /* make the main screen jump to that cache */
584        if(!event->data.click.down) {
585          if(context->appdata->cur_cache) {
586            printf("ERROR: no current cache should be visible!\n");
587          } else {
588            gpx_t *is_in = NULL;
589    
590            if(!context->appdata->cur_gpx) {
591              printf("click while in \"all\" view\n");
592    
593              /* we first need to figure out which gpx file this cache */
594              /* is in so we can open it first */
595              gpx_t *gpx = context->appdata->gpx;
596              while(gpx && !is_in) {
597                cache_t *cur = gpx->cache;
598                while(cur && !is_in) {
599                  if(cur == cache)
600                    is_in = gpx;
601                  cur = cur->next;
602                }
603                gpx = gpx->next;
604              }
605    
606              if(is_in)
607                gpxlist_goto_cachelist(context->appdata, is_in);
608    
609            } else
610              /* the simple case: there already is an open gpx file and */
611              /* we just jump into the "cache" view */
612              is_in = context->appdata->cur_gpx;
613    
614            if(is_in) {
615              printf("selecting %s in %s\n",
616                     cache->id,
617                     context->appdata->cur_gpx->name);
618    
619              cachelist_goto_cache(context->appdata, cache);
620    
621              /* give focus to main screen (important for maemo) */
622              printf("raising main window\n");
623              gtk_window_present(GTK_WINDOW(context->appdata->window));
624            }
625          }
626        }
627      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) {
628        printf("removed\n");
629        context->balloon = NULL;
630      }
631      printf("balloon out\n");
632    }
633    
634  static gboolean  static gboolean
635  cb_map_gps(GtkButton *button, map_context_t *context) {  on_map_button_release_event(GtkWidget *widget,
636                                GdkEventButton *event, map_context_t *context) {
637      OsmGpsMap *map = OSM_GPS_MAP(context->widget);
638    
639    //  osm_gps_map_set_center(OSM_GPS_MAP(context->widget),    printf("on_map_button_release_event in\n");
   //                     DEG2RAD(pos.lat), DEG2RAD(pos.lon));  
640    
641      /* in "MAP_CACHE" state only one cache is visible */
642      /* and the map is in navigation mode. the balloon is */
643      /* pretty useless there */
644      if(context->press_on && (context->state != MAP_CACHE)) {
645    
646        coord_t coo;
647        coo = osm_gps_map_get_co_ordinates(map, event->x, event->y);
648    
649        pos_t pos =
650          coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
651    
652        cache_t *nearest = map_closest(context, &pos);
653        if(nearest && nearest == context->press_on) {
654          pos_t cpos = gpx_cache_pos(nearest);
655    
656          float dist = gpx_pos_get_distance(pos, cpos, FALSE);
657          if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) {
658    
659            context->balloon = nearest;
660            osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon,
661                                         balloon_cb, context);
662          }
663        }
664        context->press_on = NULL;
665      } else {
666        /* save new map position */
667        gfloat lat, lon;
668        g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);
669        context->appdata->map.pos.lat = lat;
670        context->appdata->map.pos.lon = lon;
671      }
672    
673      printf("on_map_button_release_event out\n");
674    return FALSE;    return FALSE;
675  }  }
676    
677  static GtkWidget  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {
678  *map_add_button(const gchar *icon, GCallback cb, gpointer data,    appdata_t *appdata = context->appdata;
679                  char *tooltip) {  
680    GtkWidget *button = gtk_button_new();    printf("destroy map window\n");
681    gtk_button_set_image(GTK_BUTTON(button),  
682                         gtk_image_new_from_stock(icon, GTK_ICON_SIZE_MENU));    /* save map parameters */
683    g_signal_connect(button, "clicked", cb, data);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
684  #ifndef USE_MAEMO    gint zoom;
685    gtk_widget_set_tooltip_text(button, tooltip);    g_object_get(map, "zoom", &zoom, NULL);
686      context->appdata->map.zoom = zoom;
687    
688      gfloat lat, lon;
689      g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);
690      context->appdata->map.pos.lat = lat;
691      context->appdata->map.pos.lon = lon;
692    
693      gint source;
694      g_object_get(map, "map-source", &source, NULL);
695      context->appdata->map.source = source;
696    
697    #if MAEMO_VERSION_MAJOR == 5
698      /* restore cur_view */
699      context->appdata->cur_view = context->old_view;
700  #endif  #endif
   return button;  
 }  
701    
702  static gboolean map_gps_update(gpointer data) {    gtk_timeout_remove(context->handler_id);
   map_context_t *context = (map_context_t*)data;  
703    
704    //  gtk_widget_set_sensitive(context->map.gps, gps_fix);    g_free(context);
705      appdata->map.context = NULL;
706    }
707    
708    return TRUE;  #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
709    /* get access to zoom buttons */
710    static void
711    on_window_realize(GtkWidget *widget, gpointer data) {
712      if (widget->window) {
713        unsigned char value = 1;
714        Atom hildon_zoom_key_atom =
715          gdk_x11_get_xatom_by_name("_HILDON_ZOOM_KEY_ATOM"),
716          integer_atom = gdk_x11_get_xatom_by_name("INTEGER");
717        Display *dpy =
718          GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(widget->window));
719        Window w = GDK_WINDOW_XID(widget->window);
720    
721        XChangeProperty(dpy, w, hildon_zoom_key_atom,
722                        integer_atom, 8, PropModeReplace, &value, 1);
723      }
724  }  }
725    #endif
726    
727    /* on maemo a window is either on top or completely invisible. this */
728    /* means that we only need to update the map window if its raised.  */
729    /* on ordinary desktops this is different and we always update */
730    
731    static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event,
732                             gpointer data) {
733      printf("map got focus\n");
734      map_setup((map_context_t*)data);
735      return FALSE;
736    }
737    
738    void map_update(appdata_t *appdata) {
739      printf("map_update\n");
740    #ifndef USE_MAEMO
741      if(appdata->map.context)
742        map_setup(appdata->map.context);
743    #endif
744    }
745    
746  void map(appdata_t *appdata) {  void map(appdata_t *appdata) {
747    map_context_t context;    map_context_t *context = NULL;
748    
749    GtkWidget *dialog = gtk_dialog_new_with_buttons(_("Map"),    printf("map 1\n");
                           GTK_WINDOW(appdata->window),  
                           GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,  
                           GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,  
                           NULL);  
750    
751  #ifndef USE_MAEMO    /* if the map window already exists, just raise it */
752    gtk_window_set_default_size(GTK_WINDOW(dialog), 400, 350);    if(appdata->map.context) {
753        printf("using existing map!\n");
754        gtk_window_present(GTK_WINDOW(appdata->map.context->window));
755        map_setup(appdata->map.context);
756        return;
757      }
758    
759      printf("map 2\n");
760    
761      context = appdata->map.context = g_new0(map_context_t, 1);
762      context->appdata = appdata;
763      context->map_complete = FALSE;
764      context->state = MAP_NONE;
765    
766      /* cleanup old (pre 0.8.7) path if it exists */
767      char *old_path = g_strdup_printf("%s/map/", appdata->image_path);
768      if(g_file_test(old_path, G_FILE_TEST_IS_DIR)) {
769        printf("old file path %s exists\n", old_path);
770        rmdir_recursive(old_path);
771      }
772    
773      printf("map 3\n");
774    
775      /* It is recommanded that all applications share these same */
776      /* map path, so data is only cached once. The path should be: */
777      /* ~/.osm-gps-map on standard PC     (users home) */
778      /* /home/user/.osm-gps-map on Maemo5 (ext3 on internal card) */
779      /* /media/mmc2/osm-gps-map on Maemo4 (vfat on internal card) */
780    #if !defined(USE_MAEMO)
781      char *p = getenv("HOME");
782      if(!p) p = "/tmp";
783      char *path = g_strdup_printf("%s/.osm-gps-map", p);
784  #else  #else
785    gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480);  #if MAEMO_VERSION_MAJOR == 5
786      char *path = g_strdup("/home/user/.osm-gps-map");
787    #else
788      char *path = g_strdup("/media/mmc2/osm-gps-map");
789    #endif
790  #endif  #endif
791    
792    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);    const char *proxy = get_proxy_uri(appdata);
793    
794    char *path = g_strdup_printf("%s/map/", appdata->image_path);    gint source = context->appdata->map.source;
795      if(!source) source = MAP_SOURCE;
796    
797    context.widget = g_object_new(OSM_TYPE_GPS_MAP,    printf("map 4\n");
798                  "repo-uri", MAP_SOURCE_OPENSTREETMAP,  
799                  "proxy-uri", get_proxy_uri(),    context->widget = g_object_new(OSM_TYPE_GPS_MAP,
800                  "tile-cache", path,                   "map-source",               source,
801                     "tile-cache",               path,
802                     "auto-center",              FALSE,
803                     "record-trip-history",      FALSE,
804                     "show-trip-history",        FALSE,
805                     proxy?"proxy-uri":NULL,     proxy,
806                   NULL);                   NULL);
807    
808    g_free(path);    g_free(path);
809    
810  #if 0    osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget));
811    g_signal_connect(G_OBJECT(context.widget), "button-release-event",  
812                     G_CALLBACK(on_map_button_release_event), &context);    printf("map 5\n");
813    
814    #ifdef USE_MAEMO
815      /* we don't use a stackable window here on fremantle, since */
816      /* this leaves the main window independent from the map and */
817      /* the user can e.g. still navigate the main menu */
818      context->window = hildon_window_new();
819    
820    #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
821      g_signal_connect(G_OBJECT(context->window), "realize",
822                       G_CALLBACK(on_window_realize), NULL);
823    #endif // MAEMO_VERSION
824    #else
825      context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
826    #endif
827    
828      printf("map 6\n");
829    
830    #ifndef USE_MAEMO
831      gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480);
832  #endif  #endif
833    
834    gtk_box_pack_start_defaults(GTK_BOX(hbox), context.widget);    g_signal_connect(G_OBJECT(context->widget), "focus-in-event",
835    /* zoom button box */                     G_CALLBACK(on_focus_in), context);
836    GtkWidget *vbox = gtk_vbox_new(FALSE,0);  
837      g_signal_connect(G_OBJECT(context->widget), "configure-event",
838    context.zoomin =                     G_CALLBACK(on_map_configure), context);
839      map_add_button(GTK_STOCK_ZOOM_IN, G_CALLBACK(cb_map_zoomin),  
840                     &context, _("Zoom in"));    g_signal_connect(G_OBJECT(context->widget), "button-press-event",
841    gtk_box_pack_start(GTK_BOX(vbox), context.zoomin, FALSE, FALSE, 0);                     G_CALLBACK(on_map_button_press_event), context);
842    
843    context.zoomout =    g_signal_connect(G_OBJECT(context->widget), "button-release-event",
844      map_add_button(GTK_STOCK_ZOOM_OUT, G_CALLBACK(cb_map_zoomout),                     G_CALLBACK(on_map_button_release_event), context);
845                     &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);  
846    /* install handler for timed updates of the gps button */    /* install handler for timed updates of the gps button */
847    context.handler_id = gtk_timeout_add(1000, map_gps_update, &context);    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
   gtk_box_pack_start(GTK_BOX(vbox), context.gps, FALSE, FALSE, 0);  
848    
849    gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);    printf("map 7\n");
850    
851    gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox);  #if MAEMO_VERSION_MAJOR == 5
852      /* prevent some of the main screen things */
853      context->old_view = appdata->cur_view;
854      appdata->cur_view = NULL;
855    #endif
856    
857    gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);    printf("map 8\n");
858    
859    gtk_widget_show_all(dialog);    g_signal_connect(G_OBJECT(context->window), "destroy",
860                       G_CALLBACK(on_window_destroy), context);
861    
862    gtk_dialog_run(GTK_DIALOG(dialog));    printf("map 9\n");
863      gtk_container_add(GTK_CONTAINER(context->window), context->widget);
864    gtk_widget_destroy(dialog);    printf("map 10\n");
865      gtk_widget_show_all(GTK_WIDGET(context->window));
866    
867      printf("map 11\n");
868  }  }
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  Added in v.143