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

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revision 129 by harbaum, Tue Sep 29 14:30:16 2009 UTC revision 283 by harbaum, Thu May 27 19:13:18 2010 UTC
# Line 22  Line 22 
22   * http://topo.geofabrik.de/trail/${z}/${x}/${y}.png   8-15   * http://topo.geofabrik.de/trail/${z}/${x}/${y}.png   8-15
23   */   */
24    
25    /*
26     * TODO:
27     * - make semi-transparent caches selectable
28     */
29    
30  #include "gpxview.h"  #include "gpxview.h"
31  #include "converter.h"  #include "converter.h"
32  #include <math.h>    // for isnan  #include <math.h>    // for isnan
# Line 48  static const char *get_proxy_uri(appdata Line 53  static const char *get_proxy_uri(appdata
53    /* use environment settings if preset */    /* use environment settings if preset */
54    const char *proxy = g_getenv("http_proxy");    const char *proxy = g_getenv("http_proxy");
55    if(proxy) {    if(proxy) {
56      printf("http_proxy: %s\n", proxy);      printf("map http proxy from env: %s\n", proxy);
57      return proxy;      return proxy;
58    }    }
59    
# Line 69  static const char *get_proxy_uri(appdata Line 74  static const char *get_proxy_uri(appdata
74    
75        snprintf(proxy_buffer, sizeof(proxy_buffer),        snprintf(proxy_buffer, sizeof(proxy_buffer),
76                 "http://%s:%u", host, port);                 "http://%s:%u", host, port);
77          printf("map http proxy from gconf: %s\n ", proxy_buffer);
78    
79        g_free(host);        g_free(host);
80      }      }
# Line 78  static const char *get_proxy_uri(appdata Line 84  static const char *get_proxy_uri(appdata
84    return NULL;    return NULL;
85  }  }
86    
87    
88    pos_t *map_gps_get_pos(map_context_t *context) {
89      static pos_t pos;
90    
91      if(context->gps.set & FIX_LATLON_SET) {
92        pos.lat = context->gps.fix.latitude;
93        pos.lon = context->gps.fix.longitude;
94        return &pos;
95      }
96    
97      return NULL;
98    }
99    
100    pos_t *map_get_pos(map_context_t *context) {
101      pos_t *pos = &context->appdata->home;
102    
103      if(context->appdata->active_location) {
104        int i = context->appdata->active_location-1;
105        location_t *loc = context->appdata->location;
106        while(i--) loc = loc->next;
107        pos = &loc->pos;
108      }
109    
110      if(context->appdata->use_gps)
111        pos = map_gps_get_pos(context);
112    
113      return pos;
114    }
115    
116    float map_gps_get_heading(map_context_t *context) {
117      if(context->gps.set & FIX_TRACK_SET)
118        return context->gps.fix.track;
119    
120      return NAN;
121    }
122    
123    float map_gps_get_eph(map_context_t *context) {
124      if(context->gps.set & FIX_HERR_SET)
125        return context->gps.fix.eph;
126    
127      return NAN;
128    }
129    
130    /* callback called by the gps layer whenever gps state changes */
131    static void
132    gps_callback(gps_mask_t set, struct gps_t *fix, void *data) {
133      map_context_t *context = (map_context_t*)data;
134    
135      printf("map: gps callback\n");
136    
137      context->gps.set = set;
138      memcpy(&context->gps.fix, fix, sizeof(struct gps_t));
139    }
140    
141  static void  static void
142  cb_map_gps(osd_button_t but, map_context_t *context) {  cb_map_gps(osd_button_t but, map_context_t *context) {
143    
144    if(but == OSD_GPS) {    if(but == OSD_GPS) {
145        printf("clicked OSD_GPS %p\n", context);
146        printf("clicked OSD_GPS a %p\n", context->appdata);
147    
148      pos_t *refpos = get_pos(context->appdata);      pos_t *refpos = get_pos(context->appdata);
149      if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {      if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
150        gint zoom;        gint zoom;
# Line 109  static int dist2pixel(map_context_t *con Line 173  static int dist2pixel(map_context_t *con
173  static gboolean map_gps_update(gpointer data) {  static gboolean map_gps_update(gpointer data) {
174    map_context_t *context = (map_context_t*)data;    map_context_t *context = (map_context_t*)data;
175    
176    #ifdef USE_MAEMO
177      if(context->appdata->goto_disable_screensaver)
178        if(osso_display_blanking_pause(context->appdata->osso_context) != OSSO_OK)
179          fprintf(stderr, "error with display blank\n");
180    #endif
181    
182    /* get reference position ... */    /* get reference position ... */
183    pos_t *refpos = get_pos(context->appdata);    pos_t *refpos = map_get_pos(context);
184    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);
185    
186    /* ... and enable "goto" button if it's valid */    /* ... and enable "goto" button if it's valid */
187    osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget),    if(ok != context->goto_is_enabled) {
188                   OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context);      osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget),
189                    OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context);
190        context->goto_is_enabled = ok;
191      }
192    
193    if(ok) {    if(ok) {
194      float heading = NAN;      float heading = NAN;
195      int radius = 0;      int radius = 0;
196    
197      if(context->appdata->use_gps) {      if(context->appdata->use_gps) {
198        heading = gps_get_heading(context->appdata);        heading = map_gps_get_heading(context);
199    
200        /* get error */        /* get error */
201        float eph = gps_get_eph(context->appdata);        float eph = map_gps_get_eph(context);
202        if(!isnan(eph))        if(!isnan(eph))
203          radius = dist2pixel(context, eph/1000, refpos->lat);          radius = dist2pixel(context, eph/1000, refpos->lat);
204      }      }
205    
206        /* TODO: in order to save energy: only draw if state actually changed */
207    
208      g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL);      g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL);
209      osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),      osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),
210                           refpos->lat, refpos->lon, heading);                           refpos->lat, refpos->lon, heading);
# Line 139  static gboolean map_gps_update(gpointer Line 214  static gboolean map_gps_update(gpointer
214    return TRUE;    return TRUE;
215  }  }
216    
217  static gboolean on_map_configure(GtkWidget *widget,  static void map_draw_cache(GtkWidget *map, cache_t *cache, gboolean semi) {
218                                   GdkEventConfigure *event,    int type = semi?ICON_CACHE_TYPE_SEMI:ICON_CACHE_TYPE;
                                  map_context_t *context) {  
   
   if(!context->map_complete) {  
   
     /* set default values if they are invalid */  
     if(!context->appdata->map.zoom ||  
        isnan(context->appdata->map.pos.lat) ||  
        isnan(context->appdata->map.pos.lon)) {  
       printf("no valid map position found\n");  
   
       pos_t *refpos = get_pos(context->appdata);  
       if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {  
         /* use gps position if present */  
         context->appdata->map.pos = *refpos;  
         context->appdata->map.zoom = GPS_DEFAULT_ZOOM;  
       } else {  
         /* use world map otherwise */  
         context->appdata->map.pos.lat = 0.0;  
         context->appdata->map.pos.lon = 0.0;  
         context->appdata->map.zoom = 1;  
       }  
     }  
   
     /* jump to initial position */  
     osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),  
                               context->appdata->map.pos.lat,  
                               context->appdata->map.pos.lon,  
                               context->appdata->map.zoom);  
     context->map_complete = TRUE;  
   }  
219    
220    return FALSE;    GdkPixbuf *icon = icon_get(type, cache->type);
221  }    GdkPixbuf *over = NULL;
222    
223  static void map_draw_cache(GtkWidget *map, cache_t *cache) {    if(cache->mine)                   over = icon_get(type, 14);
224    GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type);    else if(cache->found)             over = icon_get(type, 12);
225      else if(cache->notes) {
226    /* check if there's also an overwritten coordinate */      if(cache->notes->found)         over = icon_get(type, 12);
227    if(cache->notes && cache->notes->override) {      else if(cache->notes->override) over = icon_get(type, 11);
228      GdkPixbuf *over = icon_get(ICON_MISC, 1);      else                            over = icon_get(type, 13);
229      }
230    
231      osm_gps_map_add_image(OSM_GPS_MAP(map),    pos_t *pos = &cache->pos;
232            cache->notes->pos.lat, cache->notes->pos.lon, icon);    /* check if there's also an overwritten coordinate */
233      if(cache->notes && cache->notes->override)
234        pos = &cache->notes->pos;
235    
236      osm_gps_map_add_image(OSM_GPS_MAP(map),    if(!isnan(pos->lat) && !isnan(pos->lon)) {
           cache->notes->pos.lat, cache->notes->pos.lon, over);  
   } else  
237      osm_gps_map_add_image(OSM_GPS_MAP(map),      osm_gps_map_add_image(OSM_GPS_MAP(map),
238                            cache->pos.lat, cache->pos.lon, icon);                            pos->lat, pos->lon, icon);
239        if(over)
240          osm_gps_map_add_image(OSM_GPS_MAP(map),
241                                pos->lat, pos->lon, over);
242      }
243    }
244    
245    static void map_draw_wpt(GtkWidget *map, cache_t *cache, wpt_t *wpt) {
246      /* only draw wpts that don't equal the main point */
247      if(pos_differ(&cache->pos, &wpt->pos)) {
248        if(!isnan(wpt->pos.lat) && !isnan(wpt->pos.lon))  {
249          GdkPixbuf *icon =
250            icon_get(ICON_WPT, (wpt->sym!=WPT_SYM_UNKNOWN)?
251                     wpt->sym:WPT_SYM_REFPOINT);
252    
253          osm_gps_map_add_image(OSM_GPS_MAP(map),
254                                wpt->pos.lat, wpt->pos.lon, icon);
255        }
256      }
257  }  }
258    
259  static void map_draw_gpx(appdata_t *appdata, GtkWidget *map, gpx_t *gpx) {  static void map_draw_gpx(appdata_t *appdata, cache_display_t *caches,
260                             GtkWidget *map, gpx_t *gpx,
261                             cache_t *nav, gboolean semi) {
262    if(!gpx->notes_loaded) {    if(!gpx->notes_loaded) {
263      notes_load_all(appdata, gpx);      notes_load_all(appdata, gpx);
264      gpx->notes_loaded = TRUE;      gpx->notes_loaded = TRUE;
# Line 201  static void map_draw_gpx(appdata_t *appd Line 266  static void map_draw_gpx(appdata_t *appd
266    
267    cache_t *cache = gpx->cache;    cache_t *cache = gpx->cache;
268    while(cache) {    while(cache) {
269      map_draw_cache(map, cache);      /* search if we have that cache already in our list/displayed */
270        int i=0;
271        while(caches[i].id && (strcmp(caches[i].id, cache->id) != 0))
272          i++;
273    
274        if(!caches[i].id) {
275          /* if nav is given draw all other caches semitransparent. */
276          /* if nav is not given do what semi sais */
277          map_draw_cache(map, cache, nav?(cache != nav):semi);
278          caches[i].id = cache->id;
279    
280          /* also draw waypoints of nav cache */
281          if(nav && cache == nav) {
282            wpt_t *wpt = cache->wpt;
283            while(wpt) {
284              map_draw_wpt(map, cache, wpt);
285              wpt = wpt->next;
286            }
287          }
288        }
289    
290      cache = cache->next;      cache = cache->next;
291    }    }
292  }  }
293    
294    static cache_t *cache_search_first(gpx_t *gpx, cache_t *cache) {
295      while(gpx) {
296        cache_t *cur = gpx->cache;
297        while(cur) {
298          /* we do a string comparision to make sure that if copies */
299          /* exist, we get the original one */
300          if(!strcmp(cache->id, cur->id))
301             return cur;
302    
303          cur = cur->next;
304        }
305        gpx = gpx->next;
306      }
307      g_assert(FALSE);
308      return NULL;
309    }
310    
311    /* draw geocaches and set window title */
312    static void map_setup(map_context_t *context) {
313      char *name = NULL;
314    
315      int cache_num = gpx_total_caches_global(context->appdata->gpx);
316    
317      if(context->caches_displayed && (cache_num != context->cache_list_len)) {
318        //    printf("re-alloc because %p %d/%d\n", context->caches_displayed,
319        //     cache_num, context->cache_list_len);
320        g_free(context->caches_displayed);
321        context->caches_displayed = NULL;
322        context->cache_list_len = 0;
323      }
324    
325      /* allocate buffer */
326      if(cache_num && !context->caches_displayed) {
327        context->cache_list_len = cache_num;
328        context->caches_displayed = g_new0(cache_display_t, cache_num+1);
329        printf("allocated space to handle %d map icons\n", cache_num);
330      }
331    
332      if(context->appdata->search_results && !context->appdata->cur_cache) {
333        if(context->state != MAP_SEARCH) {
334          printf("map_setup(SEARCH)\n");
335    
336          /* clear any pending balloon */
337          context->balloon = NULL;
338          osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
339    
340    #ifdef OSD_NAV
341          /* no navigation in this mode */
342          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
343    #endif
344    
345          /* clear all existing cache images */
346          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
347    
348          if(context->caches_displayed) {
349            memset(context->caches_displayed, 0,
350                   (cache_num+1) * sizeof(cache_display_t));
351    
352            /* draw search results and all other gpx files are semi-transparent */
353            map_draw_gpx(context->appdata, context->caches_displayed,
354                         context->widget, context->appdata->search_results,
355                         NULL, FALSE);
356    
357            gpx_t *gpx = context->appdata->gpx;
358            while(gpx) {
359              map_draw_gpx(context->appdata, context->caches_displayed,
360                           context->widget, gpx, NULL, TRUE);
361    
362              gpx = gpx->next;
363            }
364          }
365          name = g_strdup(_("Search results"));
366          context->state = MAP_SEARCH;
367        }
368      } else if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
369        if(context->state != MAP_ALL) {
370          printf("map_setup(ALL)\n");
371    
372          /* clear any pending balloon */
373          context->balloon = NULL;
374          osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
375    
376    #ifdef OSD_NAV
377          /* no navigation in this mode */
378          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
379    #endif
380    
381          /* clear all existing cache images */
382          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
383          if(context->caches_displayed) {
384            memset(context->caches_displayed, 0,
385                   (cache_num+1) * sizeof(cache_display_t));
386    
387            /* draw all geocaches and none is semi-transparent */
388            gpx_t *gpx = context->appdata->gpx;
389            while(gpx) {
390              map_draw_gpx(context->appdata, context->caches_displayed,
391                           context->widget, gpx, NULL, FALSE);
392              gpx = gpx->next;
393            }
394    
395            {
396              int i=0;
397              while(context->caches_displayed[i].id) i++;
398              printf("number of caches actually displayed: %d\n", i);
399            }
400          }
401          name = g_strdup(_("all"));
402          context->state = MAP_ALL;
403        }
404      } else if(!context->appdata->cur_cache) {
405        if(context->state != MAP_GPX) {
406          printf("map_setup(GPX)\n");
407    
408          /* clear any pending balloon */
409          context->balloon = NULL;
410          osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
411    
412    #ifdef OSD_NAV
413          /* no navigation in this mode */
414          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
415    #endif
416    
417          /* clear all existing cache images */
418          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
419          if(context->caches_displayed) {
420            memset(context->caches_displayed, 0,
421                   (cache_num+1) * sizeof(cache_display_t));
422    
423            /* draw all geocaches and all other gpx files are semi-transparent */
424            map_draw_gpx(context->appdata, context->caches_displayed,
425                         context->widget, context->appdata->cur_gpx, NULL, FALSE);
426    
427            gpx_t *gpx = context->appdata->gpx;
428            while(gpx) {
429              if(gpx != context->appdata->cur_gpx)
430                map_draw_gpx(context->appdata, context->caches_displayed,
431                             context->widget, gpx, NULL, TRUE);
432    
433              gpx = gpx->next;
434            }
435          }
436    
437          name = g_strdup(context->appdata->cur_gpx->name);
438          context->state = MAP_GPX;
439        }
440      } else {
441        cache_t *cache = context->appdata->cur_cache;
442    
443        printf("map_setup(CACHE)\n");
444    
445        /* clear any pending balloon */
446        context->balloon = NULL;
447        osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
448    
449        /* clear all existing ccahe images */
450        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
451        if(context->caches_displayed) {
452          memset(context->caches_displayed, 0,
453                 (cache_num+1) * sizeof(cache_display_t));
454    
455          /* Make sure we really work on the first copy in the list as */
456          /* only this is being used if duplicates exist */
457          cache = cache_search_first(context->appdata->gpx, cache);
458    
459          /* draw all geocaches and all but selected one are semi-transparent */
460          gpx_t *gpx = context->appdata->gpx;
461          while(gpx) {
462            map_draw_gpx(context->appdata, context->caches_displayed,
463                         context->widget, gpx, cache, FALSE);
464            gpx = gpx->next;
465          }
466        }
467    
468        name = g_strdup(cache->name);
469        context->state = MAP_CACHE;
470    
471        /* navigation in this mode! */
472        pos_t cpos = gpx_cache_pos(cache);
473    
474    #ifdef OSD_NAV
475        osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget),
476                                  context->appdata->imperial,
477                                  cpos.lat, cpos.lon, cache->name);
478    #else
479    #warning OSD_NAV not defined!
480    #endif
481      }
482    
483      /* also mark geomath position */
484    
485      /* remove all existing appearances of this icon first */
486      osm_gps_map_remove_image(OSM_GPS_MAP(context->widget),
487                               icon_get(ICON_MISC, 4));
488    
489      if(!isnan(context->appdata->geomath.lat) &&
490         !isnan(context->appdata->geomath.lon))  {
491    
492        osm_gps_map_add_image(OSM_GPS_MAP(context->widget),
493                              context->appdata->geomath.lat,
494                              context->appdata->geomath.lon,
495                              icon_get(ICON_MISC, 4));
496      }
497    
498      if(name) {
499        gtk_window_set_title(GTK_WINDOW(context->window), name);
500        g_free(name);
501      } else
502        printf("map_setup(keep)\n");
503    }
504    
505  static void  static void
506  map_cachelist_nearest(cache_t *cache, pos_t *pos,  map_cachelist_nearest(cache_t *cache, pos_t *pos,
507                        cache_t **result, float *distance) {                        cache_t **result, float *distance) {
508    
509    while(cache) {    while(cache) {
510      pos_t cpos = gpx_cache_pos(cache);      pos_t cpos = gpx_cache_pos(cache);
511    
# Line 228  map_cachelist_nearest(cache_t *cache, po Line 525  map_cachelist_nearest(cache_t *cache, po
525  static cache_t *map_closest(map_context_t *context, pos_t *pos) {  static cache_t *map_closest(map_context_t *context, pos_t *pos) {
526    cache_t *result = NULL;    cache_t *result = NULL;
527    float distance = NAN;    float distance = NAN;
528    
529    if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {    if(context->appdata->search_results && !context->appdata->cur_cache) {
530        /* search search results */
531        map_cachelist_nearest(context->appdata->search_results->cache,
532                              pos, &result, &distance);
533      } else if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
534      /* search all geocaches */      /* search all geocaches */
535      gpx_t *gpx = context->appdata->gpx;      gpx_t *gpx = context->appdata->gpx;
536      while(gpx) {      while(gpx) {
# Line 237  static cache_t *map_closest(map_context_ Line 538  static cache_t *map_closest(map_context_
538        gpx = gpx->next;        gpx = gpx->next;
539      }      }
540    } else if(context->appdata->cur_gpx) {    } else if(context->appdata->cur_gpx) {
541        /* search in current gpx file */
542      map_cachelist_nearest(context->appdata->cur_gpx->cache,      map_cachelist_nearest(context->appdata->cur_gpx->cache,
543                            pos, &result, &distance);                            pos, &result, &distance);
544    } else    } else
545      result = context->appdata->cur_gpx->cache;      result = context->appdata->cur_cache;
546    
547      /* make sure this is the first hit */
548      if(context->caches_displayed)
549        result = cache_search_first(context->appdata->gpx, result);
550    
551    return result;    return result;
552  }  }
# Line 258  pos_t coord2pos(coord_t coo) { Line 564  pos_t coord2pos(coord_t coo) {
564  static gboolean  static gboolean
565  on_map_button_press_event(GtkWidget *widget,  on_map_button_press_event(GtkWidget *widget,
566                              GdkEventButton *event, map_context_t *context) {                              GdkEventButton *event, map_context_t *context) {
567    
568    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
569    
570    /* check if we actually clicked parts of the OSD */    /* check if we actually clicked parts of the OSD */
571    if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE)    if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE)
572      return FALSE;      return FALSE;
573    
574    /* got a press event without release event? eat it! */    /* got a press event without release event? eat it! */
# Line 296  cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf Line 603  cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf
603                                 gdk_pixbuf_get_height(buf));                                 gdk_pixbuf_get_height(buf));
604    
605    // Create the new Context for the ImageSurface    // Create the new Context for the ImageSurface
606      g_assert(image_surface);
607    cairo_t *context = cairo_create(image_surface);    cairo_t *context = cairo_create(image_surface);
608    
609    // Draw the image on the new Context    // Draw the image on the new Context
# Line 309  cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf Line 617  cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf
617  }  }
618    
619  #ifndef BIG_BALLOONS  #ifndef BIG_BALLOONS
620  #define LINE_SKIP  7  #define ICON_SIZE  ICON_CACHE_TYPE
621  #else  #else
622  #define LINE_SKIP  12  #define ICON_SIZE  ICON_CACHE_TYPE_1_5X
623  #endif  #endif
624    
625  static void  #ifndef BIG_BALLOONS
626  balloon_draw_cb(cairo_t *cr, OsmGpsMapRect_t *rect, gpointer data) {  #define FONT_SIZE 14.0
627    cache_t *cache = (cache_t*)data;  #else
628    #define FONT_SIZE 22.0
 #if 0  
   /* draw pink background to check clipping */  
   cairo_rectangle (cr, rect->x-20, rect->y-20, rect->w+40, rect->h+40);  
   cairo_set_source_rgba (cr, 1, 0, 0, 0.3);  
   cairo_fill_preserve (cr);  
   cairo_set_line_width (cr, 0);  
   cairo_stroke (cr);  
629  #endif  #endif
630    #define LINE_SKIP  (FONT_SIZE/4)
631    
   /* leave a little border top and left */  
   gint x = rect->x, y = rect->y;  
632    
633    /* draw the cache type icon ... */  static void
634    GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type);  balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) {
635    cairo_draw_pixbuf(cr, icon, x, y);    printf("balloon event: ");
636    
637    if(cache->notes && cache->notes->override) {    map_context_t *context = (map_context_t*)data;
638      GdkPixbuf *over = icon_get(ICON_MISC, 1);    cache_t *cache = context->balloon;
     cairo_draw_pixbuf(cr, over, x, y);  
   }  
639    
640    /* ... and right of it the waypoint id */    if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) {
641    cairo_text_extents_t extents;      printf("draw\n");
642    
643    if(cache->id) {  #if 0
644      cairo_select_font_face (cr, "Sans",      /* draw pink background to check clipping */
645                              CAIRO_FONT_SLANT_NORMAL,      cairo_rectangle (event->data.draw.cr,
646                              CAIRO_FONT_WEIGHT_BOLD);                       event->data.draw.rect->x-20, event->data.draw.rect->y-20,
647                         event->data.draw.rect->w+40, event->data.draw.rect->h+40);
648        cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3);
649        cairo_fill_preserve (event->data.draw.cr);
650        cairo_set_line_width (event->data.draw.cr, 0);
651        cairo_stroke (event->data.draw.cr);
652    #endif
653    
654        /* leave a little border top and left */
655        gint x = event->data.draw.rect->x, y = event->data.draw.rect->y;
656    
657        /* draw the cache type icon ... */
658        GdkPixbuf *icon = icon_get(ICON_SIZE, cache->type);
659        cairo_draw_pixbuf(event->data.draw.cr, icon, x, y);
660    
661        if(cache->notes && cache->notes->override) {
662          GdkPixbuf *over = icon_get(ICON_SIZE, 11);
663          cairo_draw_pixbuf(event->data.draw.cr, over, x, y);
664        }
665    
666        /* ... and right of it the waypoint id */
667        cairo_text_extents_t extents;
668    
669        if(cache->id) {
670          cairo_select_font_face (event->data.draw.cr, "Sans",
671                                  CAIRO_FONT_SLANT_NORMAL,
672                                  CAIRO_FONT_WEIGHT_BOLD);
673    
674  #ifndef BIG_BALLOONS  #ifndef BIG_BALLOONS
675      cairo_set_font_size (cr, 20.0);        cairo_set_font_size (event->data.draw.cr, 20.0);
676  #else  #else
677      cairo_set_font_size (cr, 36.0);        cairo_set_font_size (event->data.draw.cr, 36.0);
678  #endif  #endif
679    
680          cairo_text_extents (event->data.draw.cr, cache->id, &extents);
681    
682          /* display id right of icon vertically centered */
683          x += gdk_pixbuf_get_width(icon) + 5;
684          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
685          cairo_move_to (event->data.draw.cr, x, y);
686          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
687          cairo_show_text (event->data.draw.cr, cache->id);
688          cairo_stroke (event->data.draw.cr);
689    
690          y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP;
691        } else
692          y += gdk_pixbuf_get_height(icon);
693    
694        /* return to the left border and below icon/text */
695        x = event->data.draw.rect->x;
696    
697        /* everything from here uses the same font */
698        cairo_select_font_face (event->data.draw.cr, "Sans",
699                                CAIRO_FONT_SLANT_NORMAL,
700                                CAIRO_FONT_WEIGHT_NORMAL);
701    
702      cairo_text_extents (cr, cache->id, &extents);      cairo_set_font_size (event->data.draw.cr, FONT_SIZE);
703    
704        if(cache->name) {
705          /* draw cache name */
706          cairo_text_extents (event->data.draw.cr, cache->name, &extents);
707          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing);
708          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
709          cairo_show_text (event->data.draw.cr, cache->name);
710          cairo_stroke (event->data.draw.cr);
711    
712          /* return to the left border and below text */
713          y += LINE_SKIP + FONT_SIZE;
714          x = event->data.draw.rect->x;
715        }
716    
717        if(cache->terrain) {
718          int text_y = 0, icon_y = 0;
719    
720      /* display id right of icon vertically centered */        /* draw cache rating */
721      x += gdk_pixbuf_get_width(icon) + 5;        const char *terrain = "Terrain:";
722      y += (gdk_pixbuf_get_height(icon) + extents.height)/2;        icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2));
723      cairo_move_to (cr, x, y);        cairo_text_extents (event->data.draw.cr, _(terrain), &extents);
     cairo_set_source_rgba (cr, 0, 0, 0, 1);  
     cairo_show_text (cr, cache->id);  
     cairo_stroke (cr);  
724    
725      y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP;        if(gdk_pixbuf_get_height(icon) > FONT_SIZE)
726    } else          text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2;
727      y += gdk_pixbuf_get_height(icon);        else
728            icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2;
729    
730    /* return to the left border and below icon/text */        /* draw "Terrain:" string */
731    x = rect->x;        cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y);
732          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
733          cairo_show_text (event->data.draw.cr, _(terrain));
734          cairo_stroke (event->data.draw.cr);
735          x += extents.width + 2;
736    
737          /* draw terrain stars */
738          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y);
739    
740          x += gdk_pixbuf_get_width(icon) + FONT_SIZE/2;
741        }
742    
743        if(cache->difficulty) {
744          int text_y = 0, icon_y = 0;
745    
746    /* everything from here uses the same font */        const char *difficulty = "Difficulty:";
747    cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_NORMAL,        icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2));
748                            CAIRO_FONT_WEIGHT_NORMAL);        cairo_text_extents (event->data.draw.cr, _(difficulty), &extents);
749  #ifndef BIG_BALLOONS  
750    cairo_set_font_size (cr, 14.0);        if(gdk_pixbuf_get_height(icon) > FONT_SIZE)
751  #else          text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2;
752    cairo_set_font_size (cr, 22.0);        else
753  #endif          icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2;
754    
755    if(cache->name) {        /* draw "Difficulty:" string */
756      /* draw cache name */        cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y);
757      cairo_text_extents (cr, cache->name, &extents);        cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
758      y += extents.height;        cairo_show_text (event->data.draw.cr, _(difficulty));
759      cairo_move_to (cr, x, y);        cairo_stroke (event->data.draw.cr);
760      cairo_set_source_rgba (cr, 0, 0, 0, 1);        x += extents.width + 2;
761      cairo_show_text (cr, cache->name);  
762      cairo_stroke (cr);        cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y);
763        }
764      /* return to the left border and below text */  
765      y += LINE_SKIP;      /* draw container info */
766      x = rect->x;      /* TODO ... */
767    }  
768    
769    if(cache->terrain) {    } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) {
770      /* draw cache rating */      printf("click %s event at %d %d\n",
771      const char *terrain = "Terrain:";             event->data.click.down?"down":"up",
772      icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2));             event->data.click.x, event->data.click.y);
773      cairo_text_extents (cr, _(terrain), &extents);  
774      y += (gdk_pixbuf_get_height(icon) + extents.height)/2;      /* make the main screen jump to that cache */
775        if(!event->data.click.down) {
776      /* draw "Terrain:" string */        if(context->appdata->cur_cache) {
777      cairo_move_to (cr, x, y);          printf("ERROR: no current cache should be visible!\n");
778      cairo_set_source_rgba (cr, 0, 0, 0, 1);        } else {
779      cairo_show_text (cr, _(terrain));          gpx_t *is_in = NULL;
780      cairo_stroke (cr);  
781      x += extents.width + 2;          if(context->appdata->search_results) {
782              printf("click while in \"search results\" view\n");
783      /* draw terrain stars */  
784      cairo_draw_pixbuf(cr, icon, x, y -            is_in = context->appdata->search_results;
785                        (gdk_pixbuf_get_height(icon) + extents.height)/2);          } else if(!context->appdata->cur_gpx) {
786              printf("click while in \"all\" view\n");
787      x += gdk_pixbuf_get_width(icon) + LINE_SKIP;  
788      y -= (gdk_pixbuf_get_height(icon) + extents.height)/2;            /* we first need to figure out which gpx file this cache */
789    }            /* is in so we can open it first */
790              gpx_t *gpx = context->appdata->gpx;
791    if(cache->difficulty) {            while(gpx && !is_in) {
792      const char *difficulty = "Difficulty:";              cache_t *cur = gpx->cache;
793      cairo_text_extents (cr, _(difficulty), &extents);              while(cur && !is_in) {
794      y += (gdk_pixbuf_get_height(icon) + extents.height)/2;                if(cur == cache)
795                    is_in = gpx;
796      /* draw "Difficulty:" string */                cur = cur->next;
797      cairo_move_to (cr, x, y);              }
798      cairo_set_source_rgba (cr, 0, 0, 0, 1);              gpx = gpx->next;
799      cairo_show_text (cr, _(difficulty));            }
800      cairo_stroke (cr);  
801      x += extents.width + 2;            if(is_in)
802                gpxlist_goto_cachelist(context->appdata, is_in);
803      icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2));  
804      cairo_draw_pixbuf(cr, icon, x, y -          } else {
805                        (gdk_pixbuf_get_height(icon) + extents.height)/2);            printf("click while in \"cachelist\" view\n");
806    
807              /* the simple case: there already is an open gpx file and */
808              /* we just jump into the "cache" view */
809              is_in = context->appdata->cur_gpx;
810            }
811    
812            if(is_in) {
813              printf("selecting %s in %s\n",
814                     cache->id,
815                     context->appdata->search_results?
816                     context->appdata->search_results->name:
817                     context->appdata->cur_gpx->name);
818    
819              cachelist_goto_cache(context->appdata, cache);
820    
821              /* give focus to main screen (important for maemo) */
822              printf("raising main window\n");
823              gtk_window_present(GTK_WINDOW(context->appdata->window));
824            }
825          }
826        }
827      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) {
828        printf("removed\n");
829        context->balloon = NULL;
830    }    }
831  }  }
832    
# Line 438  on_map_button_release_event(GtkWidget *w Line 835  on_map_button_release_event(GtkWidget *w
835                              GdkEventButton *event, map_context_t *context) {                              GdkEventButton *event, map_context_t *context) {
836    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
837    
838      /* in "MAP_CACHE" state only one cache is visible */
839      /* and the map is in navigation mode. the balloon is */
840      /* pretty useless there */
841    if(context->press_on) {    if(context->press_on) {
842    
843      coord_t coo;      coord_t coo;
844      coo = osm_gps_map_get_co_ordinates(map, event->x, event->y);      coo = osm_gps_map_get_co_ordinates(map, event->x, event->y);
845    
# Line 452  on_map_button_release_event(GtkWidget *w Line 853  on_map_button_release_event(GtkWidget *w
853        float dist = gpx_pos_get_distance(pos, cpos, FALSE);        float dist = gpx_pos_get_distance(pos, cpos, FALSE);
854        if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) {        if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) {
855    
856            context->balloon = nearest;
857          osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon,          osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon,
858                                       balloon_draw_cb, nearest);                                       balloon_cb, context);
   
         osm_gps_map_osd_draw_nav (map, cpos.lat, cpos.lon, nearest->name);  
   
859        }        }
860      }      }
861      context->press_on = NULL;      context->press_on = NULL;
# Line 474  on_map_button_release_event(GtkWidget *w Line 873  on_map_button_release_event(GtkWidget *w
873  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {
874    appdata_t *appdata = context->appdata;    appdata_t *appdata = context->appdata;
875    
   printf("destroy map window\n");  
   
876    /* save map parameters */    /* save map parameters */
877    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
878    gint zoom;    gint zoom;
879    g_object_get(map, "zoom", &zoom, NULL);    g_object_get(map, "zoom", &zoom, NULL);
880    context->appdata->map.zoom = zoom;    context->appdata->map.zoom = zoom;
881    
882      gboolean dpix;
883      g_object_get(map, "double-pixel", &dpix, NULL);
884      context->appdata->map.dpix = dpix;
885    
886    gfloat lat, lon;    gfloat lat, lon;
887    g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);    g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);
888    context->appdata->map.pos.lat = lat;    context->appdata->map.pos.lat = lat;
# Line 497  static void on_window_destroy(GtkWidget Line 898  static void on_window_destroy(GtkWidget
898  #endif  #endif
899    
900    gtk_timeout_remove(context->handler_id);    gtk_timeout_remove(context->handler_id);
901      gps_unregister_callback(appdata->gps_state, gps_callback);
902    
903      if(context->caches_displayed) {
904        g_free(context->caches_displayed);
905        context->caches_displayed = NULL;
906      }
907    
908      printf("destroy map context\n");
909    g_free(context);    g_free(context);
910    appdata->map.context = NULL;    appdata->map.context = NULL;
911  }  }
# Line 521  on_window_realize(GtkWidget *widget, gpo Line 929  on_window_realize(GtkWidget *widget, gpo
929  }  }
930  #endif  #endif
931    
932  /* draw geocaches and set window title */  /* on maemo a window is either on top or completely invisible. this */
933  static void map_setup(map_context_t *context) {  /* means that we only need to update the map window if its raised.  */
934    char *name = NULL;  /* on ordinary desktops this is different and we always update */
   
   /* clear all existing ccahe images */  
   osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));  
935    
936    if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {  static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event,
937      /* draw all geocaches */                           gpointer data) {
938      gpx_t *gpx = context->appdata->gpx;    map_context_t *context = (map_context_t*)data;
     while(gpx) {  
       map_draw_gpx(context->appdata, context->widget, gpx);  
       gpx = gpx->next;  
     }  
     name = g_strdup(_("all"));  
     context->state = MAP_ALL;  
     context->gpx = context->appdata->gpx;  
   } else if(!context->appdata->cur_cache) {  
     map_draw_gpx(context->appdata, context->widget, context->appdata->cur_gpx);  
     name = g_strdup(context->appdata->cur_gpx->name);  
     context->state = MAP_GPX;  
     context->gpx = context->appdata->cur_gpx;  
   } else {  
     map_draw_cache(context->widget, context->appdata->cur_cache);  
     name = g_strdup(context->appdata->cur_cache->name);  
     context->state = MAP_CACHE;  
     context->cache = context->appdata->cur_cache;  
   }  
939    
940    char *title = g_strdup_printf(_("Map - %s"), name);    printf("map got focus\n");
   g_free(name);  
941    
942    gtk_window_set_title(GTK_WINDOW(context->window), title);  #ifdef USE_MAEMO
943      /* re-enable refresh of map */
944      if(!context->handler_id)
945        context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
946    #endif
947    
948    g_free(title);    map_setup(context);
949  }    return FALSE;
950    }
951    
952  /* on maemo a window is either on top or completely invisible. this means that */  static gboolean on_focus_out(GtkWidget *widget, GdkEventFocus *event,
 /* we only need to update the map window if its raised. on ordinary desktops this */  
 /* is different and we always update */  
 static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event,  
953                           gpointer data) {                           gpointer data) {
954    map_context_t *context = (map_context_t*)data;    map_context_t *context = (map_context_t*)data;
955    
956    printf("map focus in!\n");    printf("map lost focus\n");
957    
958      /* save new map position */
959      gfloat lat, lon;
960      g_object_get(widget, "latitude", &lat, "longitude", &lon, NULL);
961    
962      context->appdata->map.pos.lat = lat;
963      context->appdata->map.pos.lon = lon;
964    
965    #ifdef USE_MAEMO
966      gtk_timeout_remove(context->handler_id);
967      context->handler_id = 0;
968    #endif
969    
970    return FALSE;    return FALSE;
971  }  }
972    
973  void map_update(appdata_t *appdata) {  void map_update(appdata_t *appdata) {
974    if(appdata->map.context) {    printf("map_update\n");
975      printf("map update\n");  #ifndef USE_MAEMO
976    }    if(appdata->map.context)
977        map_setup(appdata->map.context);
978    #endif
979  }  }
980    
981  void map(appdata_t *appdata) {  void map(appdata_t *appdata) {
# Line 588  void map(appdata_t *appdata) { Line 990  void map(appdata_t *appdata) {
990    }    }
991    
992    context = appdata->map.context = g_new0(map_context_t, 1);    context = appdata->map.context = g_new0(map_context_t, 1);
993      printf("allocated new context at %p\n", context);
994    
995    context->appdata = appdata;    context->appdata = appdata;
996    context->map_complete = FALSE;    context->state = MAP_NONE;
997    
998    /* cleanup old (pre 0.8.7) path if it exists */    /* cleanup old (pre 0.8.7) path if it exists */
999    char *old_path = g_strdup_printf("%s/map/", appdata->image_path);    char *old_path = g_strdup_printf("%s/map/", appdata->image_path);
# Line 626  void map(appdata_t *appdata) { Line 1030  void map(appdata_t *appdata) {
1030                   "auto-center",              FALSE,                   "auto-center",              FALSE,
1031                   "record-trip-history",      FALSE,                   "record-trip-history",      FALSE,
1032                   "show-trip-history",        FALSE,                   "show-trip-history",        FALSE,
1033                     "double-pixel",             context->appdata->map.dpix,
1034                   proxy?"proxy-uri":NULL,     proxy,                   proxy?"proxy-uri":NULL,     proxy,
1035                   NULL);                   NULL);
1036    
# Line 633  void map(appdata_t *appdata) { Line 1038  void map(appdata_t *appdata) {
1038    
1039    osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget));    osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget));
1040    
1041      /* set default values if they are invalid */
1042      if(!context->appdata->map.zoom ||
1043         isnan(context->appdata->map.pos.lat) ||
1044         isnan(context->appdata->map.pos.lon)) {
1045        printf("no valid map position found\n");
1046    
1047        pos_t *refpos = get_pos(context->appdata);
1048        if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
1049          printf("use refpos\n");
1050    
1051            /* use gps position if present */
1052          context->appdata->map.pos = *refpos;
1053          context->appdata->map.zoom = GPS_DEFAULT_ZOOM;
1054        } else {
1055          printf("use zero pos\n");
1056    
1057          /* use world map otherwise */
1058          context->appdata->map.pos.lat = 0.0;
1059          context->appdata->map.pos.lon = 0.0;
1060          context->appdata->map.zoom = 1;
1061        }
1062      }
1063    
1064      osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
1065                                context->appdata->map.pos.lat,
1066                                context->appdata->map.pos.lon,
1067                                context->appdata->map.zoom);
1068    
1069  #ifdef USE_MAEMO  #ifdef USE_MAEMO
1070    /* we don't use a stackable window here on fremantle, since */    /* we don't use a stackable window here on fremantle, since */
1071    /* this leaves the main window independent from the map and */    /* this leaves the main window independent from the map and */
# Line 647  void map(appdata_t *appdata) { Line 1080  void map(appdata_t *appdata) {
1080    context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);    context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1081  #endif  #endif
1082    
   /* setup cache state */  
   map_setup(context);  
   
1083  #ifndef USE_MAEMO  #ifndef USE_MAEMO
1084    gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480);    gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480);
1085  #endif  #endif
# Line 657  void map(appdata_t *appdata) { Line 1087  void map(appdata_t *appdata) {
1087    g_signal_connect(G_OBJECT(context->widget), "focus-in-event",    g_signal_connect(G_OBJECT(context->widget), "focus-in-event",
1088                     G_CALLBACK(on_focus_in), context);                     G_CALLBACK(on_focus_in), context);
1089    
1090    g_signal_connect(G_OBJECT(context->widget), "configure-event",    g_signal_connect(G_OBJECT(context->widget), "focus-out-event",
1091                     G_CALLBACK(on_map_configure), context);                     G_CALLBACK(on_focus_out), context);
1092    
1093    g_signal_connect(G_OBJECT(context->widget), "button-press-event",    g_signal_connect(G_OBJECT(context->widget), "button-press-event",
1094                     G_CALLBACK(on_map_button_press_event), context);                     G_CALLBACK(on_map_button_press_event), context);
# Line 668  void map(appdata_t *appdata) { Line 1098  void map(appdata_t *appdata) {
1098    
1099    /* install handler for timed updates of the gps button */    /* install handler for timed updates of the gps button */
1100    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
1101      gps_register_callback(appdata->gps_state,
1102                            LATLON_CHANGED | HERR_CHANGED | TRACK_CHANGED,
1103                            gps_callback, context);
1104    
1105  #if MAEMO_VERSION_MAJOR == 5  #if MAEMO_VERSION_MAJOR == 5
1106    /* prevent some of the main screen things */    /* prevent some of the main screen things */
# Line 680  void map(appdata_t *appdata) { Line 1113  void map(appdata_t *appdata) {
1113    
1114    gtk_container_add(GTK_CONTAINER(context->window), context->widget);    gtk_container_add(GTK_CONTAINER(context->window), context->widget);
1115    gtk_widget_show_all(GTK_WIDGET(context->window));    gtk_widget_show_all(GTK_WIDGET(context->window));
1116    
1117      /* setup cache state */
1118      map_setup(context);
1119  }  }
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