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

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revision 98 by harbaum, Mon Sep 7 13:20:37 2009 UTC revision 242 by harbaum, Sun Dec 13 19:57:02 2009 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 80  static const char *get_proxy_uri(appdata Line 86  static const char *get_proxy_uri(appdata
86    
87  static void  static void
88  cb_map_gps(osd_button_t but, map_context_t *context) {  cb_map_gps(osd_button_t but, map_context_t *context) {
89    
90    if(but == OSD_GPS) {    if(but == OSD_GPS) {
91        printf("clicked OSD_GPS %p\n", context);
92        printf("clicked OSD_GPS a %p\n", context->appdata);
93    
94      pos_t *refpos = get_pos(context->appdata);      pos_t *refpos = get_pos(context->appdata);
95      if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {      if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
96        gint zoom;        gint zoom;
# Line 109  static int dist2pixel(map_context_t *con Line 119  static int dist2pixel(map_context_t *con
119  static gboolean map_gps_update(gpointer data) {  static gboolean map_gps_update(gpointer data) {
120    map_context_t *context = (map_context_t*)data;    map_context_t *context = (map_context_t*)data;
121    
122    #ifdef USE_MAEMO
123      if(context->appdata->goto_disable_screensaver)
124        if(osso_display_blanking_pause(context->appdata->osso_context) != OSSO_OK)
125          fprintf(stderr, "error with display blank\n");
126    #endif
127    
128    /* get reference position ... */    /* get reference position ... */
129    pos_t *refpos = get_pos(context->appdata);    pos_t *refpos = get_pos(context->appdata);
130    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);
131    
132    /* ... and enable "goto" button if it's valid */    /* ... and enable "goto" button if it's valid */
133    osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget),    if(ok != context->goto_is_enabled) {
134                   OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context);      osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget),
135                    OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context);
136        context->goto_is_enabled = ok;
137      }
138    
139    if(ok) {    if(ok) {
140      float heading = NAN;      float heading = NAN;
# Line 130  static gboolean map_gps_update(gpointer Line 149  static gboolean map_gps_update(gpointer
149          radius = dist2pixel(context, eph/1000, refpos->lat);          radius = dist2pixel(context, eph/1000, refpos->lat);
150      }      }
151    
152        /* TODO: in order to save energy: only draw if state actually changed */
153    
154      g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL);      g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL);
155      osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),      osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),
156                           refpos->lat, refpos->lon, heading);                           refpos->lat, refpos->lon, heading);
# Line 139  static gboolean map_gps_update(gpointer Line 160  static gboolean map_gps_update(gpointer
160    return TRUE;    return TRUE;
161  }  }
162    
163  static gboolean on_map_configure(GtkWidget *widget,  static void map_draw_cache(GtkWidget *map, cache_t *cache, gboolean semi) {
164                                   GdkEventConfigure *event,    int type = semi?ICON_CACHE_TYPE_SEMI:ICON_CACHE_TYPE;
165                                   map_context_t *context) {  
166      GdkPixbuf *icon = icon_get(type, cache->type);
167    if(!context->map_complete) {    GdkPixbuf *over = NULL;
168    
169      /* set default values if they are invalid */    if(cache->mine)                   over = icon_get(type, 14);
170      if(!context->appdata->map.zoom ||    else if(cache->found)             over = icon_get(type, 12);
171         isnan(context->appdata->map.pos.lat) ||    else if(cache->notes) {
172         isnan(context->appdata->map.pos.lon)) {      if(cache->notes->found)         over = icon_get(type, 12);
173        printf("no valid map position found\n");      else if(cache->notes->override) over = icon_get(type, 11);
174        else                            over = icon_get(type, 13);
175      }
176    
177      pos_t *pos = &cache->pos;
178      /* check if there's also an overwritten coordinate */
179      if(cache->notes && cache->notes->override)
180        pos = &cache->notes->pos;
181    
182      if(!isnan(pos->lat) && !isnan(pos->lon)) {
183        osm_gps_map_add_image(OSM_GPS_MAP(map),
184                              pos->lat, pos->lon, icon);
185        if(over)
186          osm_gps_map_add_image(OSM_GPS_MAP(map),
187                                pos->lat, pos->lon, over);
188      }
189    }
190    
191    static void map_draw_wpt(GtkWidget *map, cache_t *cache, wpt_t *wpt) {
192      /* only draw wpts that don't equal the main point */
193      if(pos_differ(&cache->pos, &wpt->pos)) {
194        if(!isnan(wpt->pos.lat) && !isnan(wpt->pos.lon))  {
195          GdkPixbuf *icon =
196            icon_get(ICON_WPT, (wpt->sym!=WPT_SYM_UNKNOWN)?
197                     wpt->sym:WPT_SYM_REFPOINT);
198    
199        pos_t *refpos = get_pos(context->appdata);        osm_gps_map_add_image(OSM_GPS_MAP(map),
200        if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {                              wpt->pos.lat, wpt->pos.lon, icon);
201          /* use gps position if present */      }
202          context->appdata->map.pos = *refpos;    }
203          context->appdata->map.zoom = GPS_DEFAULT_ZOOM;  }
204        } else {  
205          /* use world map otherwise */  static void map_draw_gpx(appdata_t *appdata, cache_display_t *caches,
206          context->appdata->map.pos.lat = 0.0;                           GtkWidget *map, gpx_t *gpx,
207          context->appdata->map.pos.lon = 0.0;                           cache_t *nav, gboolean semi) {
208          context->appdata->map.zoom = 1;    if(!gpx->notes_loaded) {
209        notes_load_all(appdata, gpx);
210        gpx->notes_loaded = TRUE;
211      }
212    
213      cache_t *cache = gpx->cache;
214      while(cache) {
215        /* search if we have that cache already in our list/displayed */
216        int i=0;
217        while(caches[i].id && (strcmp(caches[i].id, cache->id) != 0))
218          i++;
219    
220        if(!caches[i].id) {
221          /* if nav is given draw all other caches semitransparent. */
222          /* if nav is not given do what semi sais */
223          map_draw_cache(map, cache, nav?(cache != nav):semi);
224          caches[i].id = cache->id;
225    
226          /* also draw waypoints of nav cache */
227          if(nav && cache == nav) {
228            wpt_t *wpt = cache->wpt;
229            while(wpt) {
230              map_draw_wpt(map, cache, wpt);
231              wpt = wpt->next;
232            }
233        }        }
234      }      }
235    
236      /* jump to initial position */      cache = cache->next;
     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;  
237    }    }
238    }
239    
240    return FALSE;  static cache_t *cache_search_first(gpx_t *gpx, cache_t *cache) {
241      while(gpx) {
242        cache_t *cur = gpx->cache;
243        while(cur) {
244          /* we do a string comparision to make sure that if copies */
245          /* exist, we get the original one */
246          if(!strcmp(cache->id, cur->id))
247             return cur;
248    
249          cur = cur->next;
250        }
251        gpx = gpx->next;
252      }
253      g_assert(FALSE);
254      return NULL;
255  }  }
256    
257  static void map_draw_cachelist(GtkWidget *map, cache_t *cache) {  /* draw geocaches and set window title */
258    while(cache) {  static void map_setup(map_context_t *context) {
259      GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type);    char *name = NULL;
260    
261      int cache_num = gpx_total_caches_global(context->appdata->gpx);
262    
263      if(context->caches_displayed && (cache_num != context->cache_list_len)) {
264        //    printf("re-alloc because %p %d/%d\n", context->caches_displayed,
265        //     cache_num, context->cache_list_len);
266        g_free(context->caches_displayed);
267        context->caches_displayed = NULL;
268        context->cache_list_len = 0;
269      }
270    
271      /* allocate buffer */
272      if(cache_num && !context->caches_displayed) {
273        context->cache_list_len = cache_num;
274        context->caches_displayed = g_new0(cache_display_t, cache_num+1);
275        printf("allocated space to handle %d map icons\n", cache_num);
276      }
277    
278      if(context->appdata->search_results && !context->appdata->cur_cache) {
279        if(context->state != MAP_SEARCH) {
280          printf("map_setup(SEARCH)\n");
281    
282          /* clear any pending balloon */
283          context->balloon = NULL;
284          osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
285    
286    #ifdef OSD_NAV
287          /* no navigation in this mode */
288          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
289    #endif
290    
291          /* clear all existing cache images */
292          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
293          memset(context->caches_displayed, 0,
294                 (cache_num+1) * sizeof(cache_display_t));
295    
296          /* draw search results and all other gpx files are semi-transparent */
297          map_draw_gpx(context->appdata, context->caches_displayed,
298                       context->widget, context->appdata->search_results,
299                       NULL, FALSE);
300    
301          gpx_t *gpx = context->appdata->gpx;
302          while(gpx) {
303            map_draw_gpx(context->appdata, context->caches_displayed,
304                         context->widget, gpx, NULL, TRUE);
305    
306            gpx = gpx->next;
307          }
308    
309          name = g_strdup(_("Search results"));
310          context->state = MAP_SEARCH;
311        }
312      } else if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
313        if(context->state != MAP_ALL) {
314          printf("map_setup(ALL)\n");
315    
316          /* clear any pending balloon */
317          context->balloon = NULL;
318          osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
319    
320    #ifdef OSD_NAV
321          /* no navigation in this mode */
322          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
323    #endif
324    
325          /* clear all existing cache images */
326          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
327          memset(context->caches_displayed, 0,
328                 (cache_num+1) * sizeof(cache_display_t));
329    
330          /* draw all geocaches and none is semi-transparent */
331          gpx_t *gpx = context->appdata->gpx;
332          while(gpx) {
333            map_draw_gpx(context->appdata, context->caches_displayed,
334                         context->widget, gpx, NULL, FALSE);
335            gpx = gpx->next;
336          }
337    
338          {
339            int i=0;
340            while(context->caches_displayed[i].id) i++;
341            printf("number of caches actually displayed: %d\n", i);
342          }
343    
344          name = g_strdup(_("all"));
345          context->state = MAP_ALL;
346        }
347      } else if(!context->appdata->cur_cache) {
348        if(context->state != MAP_GPX) {
349          printf("map_setup(GPX)\n");
350    
351          /* clear any pending balloon */
352          context->balloon = NULL;
353          osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
354    
355    #ifdef OSD_NAV
356          /* no navigation in this mode */
357          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
358    #endif
359    
360          /* clear all existing cache images */
361          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
362          memset(context->caches_displayed, 0,
363                 (cache_num+1) * sizeof(cache_display_t));
364    
365          /* draw all geocaches and all other gpx files are semi-transparent */
366          map_draw_gpx(context->appdata, context->caches_displayed,
367                       context->widget, context->appdata->cur_gpx, NULL, FALSE);
368    
369          gpx_t *gpx = context->appdata->gpx;
370          while(gpx) {
371            if(gpx != context->appdata->cur_gpx)
372              map_draw_gpx(context->appdata, context->caches_displayed,
373                           context->widget, gpx, NULL, TRUE);
374    
375            gpx = gpx->next;
376          }
377    
378          name = g_strdup(context->appdata->cur_gpx->name);
379          context->state = MAP_GPX;
380        }
381      } else {
382        cache_t *cache = context->appdata->cur_cache;
383    
384      osm_gps_map_add_image(OSM_GPS_MAP(map),      printf("map_setup(CACHE)\n");
385                            cache->pos.lat, cache->pos.lon, icon);  
386        /* clear any pending balloon */
387        context->balloon = NULL;
388        osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
389    
390        /* clear all existing ccahe images */
391        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
392        memset(context->caches_displayed, 0,
393               (cache_num+1) * sizeof(cache_display_t));
394    
395        /* Make sure we really work on the first copy in the list as */
396        /* only this is being used if duplicates exist */
397        cache = cache_search_first(context->appdata->gpx, cache);
398    
399        /* draw all geocaches and all but selected one are semi-transparent */
400        gpx_t *gpx = context->appdata->gpx;
401        while(gpx) {
402          map_draw_gpx(context->appdata, context->caches_displayed,
403                       context->widget, gpx, cache, FALSE);
404          gpx = gpx->next;
405        }
406    
407      cache = cache->next;      name = g_strdup(cache->name);
408        context->state = MAP_CACHE;
409    
410        /* navigation in this mode! */
411        pos_t cpos = gpx_cache_pos(cache);
412    
413    #ifdef OSD_NAV
414        osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget),
415                                  context->appdata->imperial,
416                                  cpos.lat, cpos.lon, cache->name);
417    #else
418    #warning OSD_NAV not defined!
419    #endif
420      }
421    
422      /* also mark geomath position */
423    
424      /* remove all existing appearances of this icon first */
425      osm_gps_map_remove_image(OSM_GPS_MAP(context->widget),
426                               icon_get(ICON_MISC, 4));
427    
428      if(!isnan(context->appdata->geomath.lat) &&
429         !isnan(context->appdata->geomath.lon))  {
430    
431        osm_gps_map_add_image(OSM_GPS_MAP(context->widget),
432                              context->appdata->geomath.lat,
433                              context->appdata->geomath.lon,
434                              icon_get(ICON_MISC, 4));
435    }    }
436    
437      if(name) {
438        gtk_window_set_title(GTK_WINDOW(context->window), name);
439        g_free(name);
440      } else
441        printf("map_setup(keep)\n");
442  }  }
443    
444  static void  static void
445  map_cachelist_nearest(cache_t *cache, pos_t *pos,  map_cachelist_nearest(cache_t *cache, pos_t *pos,
446                        cache_t **result, float *distance) {                        cache_t **result, float *distance) {
447    
448    while(cache) {    while(cache) {
449        pos_t cpos = gpx_cache_pos(cache);
450    
451      float dist =      float dist =
452        pow(cache->pos.lat - pos->lat, 2) +        pow(cpos.lat - pos->lat, 2) +
453        pow(cache->pos.lon - pos->lon, 2);        pow(cpos.lon - pos->lon, 2);
454    
455      if(!(dist > *distance)) {      if(!(dist > *distance)) {
456        *result = cache;        *result = cache;
# Line 206  map_cachelist_nearest(cache_t *cache, po Line 464  map_cachelist_nearest(cache_t *cache, po
464  static cache_t *map_closest(map_context_t *context, pos_t *pos) {  static cache_t *map_closest(map_context_t *context, pos_t *pos) {
465    cache_t *result = NULL;    cache_t *result = NULL;
466    float distance = NAN;    float distance = NAN;
467    
468  #ifdef USE_MAEMO    if(context->appdata->search_results && !context->appdata->cur_cache) {
469    if(!context->appdata->cur_gpx) {      /* search search results */
470  #endif      map_cachelist_nearest(context->appdata->search_results->cache,
471                              pos, &result, &distance);
472      } else if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
473      /* search all geocaches */      /* search all geocaches */
474      gpx_t *gpx = context->appdata->gpx;      gpx_t *gpx = context->appdata->gpx;
475      while(gpx) {      while(gpx) {
476        map_cachelist_nearest(gpx->cache, pos, &result, &distance);        map_cachelist_nearest(gpx->cache, pos, &result, &distance);
477        gpx = gpx->next;        gpx = gpx->next;
478      }      }
479  #ifdef USE_MAEMO    } else if(context->appdata->cur_gpx) {
480    } else {      /* search in current gpx file */
481      map_cachelist_nearest(context->appdata->cur_gpx->cache,      map_cachelist_nearest(context->appdata->cur_gpx->cache,
482                            pos, &result, &distance);                            pos, &result, &distance);
483    }    } else
484  #endif      result = context->appdata->cur_cache;
485    
486      /* make sure this is the first hit */
487      result = cache_search_first(context->appdata->gpx, result);
488    
489    return result;    return result;
490  }  }
# Line 239  pos_t coord2pos(coord_t coo) { Line 502  pos_t coord2pos(coord_t coo) {
502  static gboolean  static gboolean
503  on_map_button_press_event(GtkWidget *widget,  on_map_button_press_event(GtkWidget *widget,
504                              GdkEventButton *event, map_context_t *context) {                              GdkEventButton *event, map_context_t *context) {
505    
506    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
507    
508    /* check if we actually clicked parts of the OSD */    /* check if we actually clicked parts of the OSD */
509    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)
510      return FALSE;      return FALSE;
511    
512    /* got a press event without release event? eat it! */    /* got a press event without release event? eat it! */
# Line 256  on_map_button_press_event(GtkWidget *wid Line 520  on_map_button_press_event(GtkWidget *wid
520    
521    cache_t *nearest = map_closest(context, &pos);    cache_t *nearest = map_closest(context, &pos);
522    if(nearest) {    if(nearest) {
523      float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);      pos_t cpos = gpx_cache_pos(nearest);
524      if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ)  
525        float dist = gpx_pos_get_distance(pos, cpos, FALSE);
526        if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ)
527        context->press_on = nearest;        context->press_on = nearest;
528    }    }
529    
# Line 275  cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf Line 541  cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf
541                                 gdk_pixbuf_get_height(buf));                                 gdk_pixbuf_get_height(buf));
542    
543    // Create the new Context for the ImageSurface    // Create the new Context for the ImageSurface
544      g_assert(image_surface);
545    cairo_t *context = cairo_create(image_surface);    cairo_t *context = cairo_create(image_surface);
546    
547    // Draw the image on the new Context    // Draw the image on the new Context
# Line 288  cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf Line 555  cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf
555  }  }
556    
557  #ifndef BIG_BALLOONS  #ifndef BIG_BALLOONS
558  #define LINE_SKIP  7  #define ICON_SIZE  ICON_CACHE_TYPE
559    #else
560    #define ICON_SIZE  ICON_CACHE_TYPE_1_5X
561    #endif
562    
563    #ifndef BIG_BALLOONS
564    #define FONT_SIZE 14.0
565  #else  #else
566  #define LINE_SKIP  12  #define FONT_SIZE 22.0
567  #endif  #endif
568    #define LINE_SKIP  (FONT_SIZE/4)
569    
570    
571  static void  static void
572  balloon_draw_cb(cairo_t *cr, OsmGpsMapRect_t *rect, gpointer data) {  balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) {
573    cache_t *cache = (cache_t*)data;    printf("balloon event: ");
574    
575  #if 0    map_context_t *context = (map_context_t*)data;
576    /* draw pink background to check clipping */    cache_t *cache = context->balloon;
   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);  
 #endif  
   
   /* leave a little border top and left */  
   gint x = rect->x, y = rect->y;  
   
   /* draw the cache type icon ... */  
   GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type);  
   cairo_draw_pixbuf(cr, icon, x, y);  
577    
578    /* ... and right of it the waypoint id */    if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) {
579    cairo_text_extents_t extents;      printf("draw\n");
580    
581    if(cache->id) {  #if 0
582      cairo_select_font_face (cr, "Sans",      /* draw pink background to check clipping */
583                              CAIRO_FONT_SLANT_NORMAL,      cairo_rectangle (event->data.draw.cr,
584                              CAIRO_FONT_WEIGHT_BOLD);                       event->data.draw.rect->x-20, event->data.draw.rect->y-20,
585                         event->data.draw.rect->w+40, event->data.draw.rect->h+40);
586        cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3);
587        cairo_fill_preserve (event->data.draw.cr);
588        cairo_set_line_width (event->data.draw.cr, 0);
589        cairo_stroke (event->data.draw.cr);
590    #endif
591    
592        /* leave a little border top and left */
593        gint x = event->data.draw.rect->x, y = event->data.draw.rect->y;
594    
595        /* draw the cache type icon ... */
596        GdkPixbuf *icon = icon_get(ICON_SIZE, cache->type);
597        cairo_draw_pixbuf(event->data.draw.cr, icon, x, y);
598    
599        if(cache->notes && cache->notes->override) {
600          GdkPixbuf *over = icon_get(ICON_SIZE, 11);
601          cairo_draw_pixbuf(event->data.draw.cr, over, x, y);
602        }
603    
604        /* ... and right of it the waypoint id */
605        cairo_text_extents_t extents;
606    
607        if(cache->id) {
608          cairo_select_font_face (event->data.draw.cr, "Sans",
609                                  CAIRO_FONT_SLANT_NORMAL,
610                                  CAIRO_FONT_WEIGHT_BOLD);
611    
612  #ifndef BIG_BALLOONS  #ifndef BIG_BALLOONS
613      cairo_set_font_size (cr, 20.0);        cairo_set_font_size (event->data.draw.cr, 20.0);
614  #else  #else
615      cairo_set_font_size (cr, 36.0);        cairo_set_font_size (event->data.draw.cr, 36.0);
616  #endif  #endif
617    
618          cairo_text_extents (event->data.draw.cr, cache->id, &extents);
619    
620          /* display id right of icon vertically centered */
621          x += gdk_pixbuf_get_width(icon) + 5;
622          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
623          cairo_move_to (event->data.draw.cr, x, y);
624          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
625          cairo_show_text (event->data.draw.cr, cache->id);
626          cairo_stroke (event->data.draw.cr);
627    
628          y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP;
629        } else
630          y += gdk_pixbuf_get_height(icon);
631    
632        /* return to the left border and below icon/text */
633        x = event->data.draw.rect->x;
634    
635        /* everything from here uses the same font */
636        cairo_select_font_face (event->data.draw.cr, "Sans",
637                                CAIRO_FONT_SLANT_NORMAL,
638                                CAIRO_FONT_WEIGHT_NORMAL);
639    
640      cairo_text_extents (cr, cache->id, &extents);      cairo_set_font_size (event->data.draw.cr, FONT_SIZE);
641    
642        if(cache->name) {
643          /* draw cache name */
644          cairo_text_extents (event->data.draw.cr, cache->name, &extents);
645          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing);
646          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
647          cairo_show_text (event->data.draw.cr, cache->name);
648          cairo_stroke (event->data.draw.cr);
649    
650          /* return to the left border and below text */
651          y += LINE_SKIP + FONT_SIZE;
652          x = event->data.draw.rect->x;
653        }
654    
655        if(cache->terrain) {
656          int text_y = 0, icon_y = 0;
657    
658      /* display id right of icon vertically centered */        /* draw cache rating */
659      x += gdk_pixbuf_get_width(icon) + 5;        const char *terrain = "Terrain:";
660      y += (gdk_pixbuf_get_height(icon) + extents.height)/2;        icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2));
661      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);  
662    
663      y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP;        if(gdk_pixbuf_get_height(icon) > FONT_SIZE)
664    } else          text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2;
665      y += gdk_pixbuf_get_height(icon);        else
666            icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2;
667    
668    /* return to the left border and below icon/text */        /* draw "Terrain:" string */
669    x = rect->x;        cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y);
670          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
671          cairo_show_text (event->data.draw.cr, _(terrain));
672          cairo_stroke (event->data.draw.cr);
673          x += extents.width + 2;
674    
675          /* draw terrain stars */
676          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y);
677    
678          x += gdk_pixbuf_get_width(icon) + FONT_SIZE/2;
679        }
680    
681        if(cache->difficulty) {
682          int text_y = 0, icon_y = 0;
683    
684    /* everything from here uses the same font */        const char *difficulty = "Difficulty:";
685    cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_NORMAL,        icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2));
686                            CAIRO_FONT_WEIGHT_NORMAL);        cairo_text_extents (event->data.draw.cr, _(difficulty), &extents);
687  #ifndef BIG_BALLOONS  
688    cairo_set_font_size (cr, 14.0);        if(gdk_pixbuf_get_height(icon) > FONT_SIZE)
689  #else          text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2;
690    cairo_set_font_size (cr, 22.0);        else
691  #endif          icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2;
692    
693    if(cache->name) {        /* draw "Difficulty:" string */
694      /* draw cache name */        cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y);
695      cairo_text_extents (cr, cache->name, &extents);        cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
696      y += extents.height;        cairo_show_text (event->data.draw.cr, _(difficulty));
697      cairo_move_to (cr, x, y);        cairo_stroke (event->data.draw.cr);
698      cairo_set_source_rgba (cr, 0, 0, 0, 1);        x += extents.width + 2;
699      cairo_show_text (cr, cache->name);  
700      cairo_stroke (cr);        cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y);
701        }
702      /* return to the left border and below text */  
703      y += LINE_SKIP;      /* draw container info */
704      x = rect->x;      /* TODO ... */
705    }  
706    
707    if(cache->terrain) {    } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) {
708      /* draw cache rating */      printf("click %s event at %d %d\n",
709      const char *terrain = "Terrain:";             event->data.click.down?"down":"up",
710      icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2));             event->data.click.x, event->data.click.y);
711      cairo_text_extents (cr, _(terrain), &extents);  
712      y += (gdk_pixbuf_get_height(icon) + extents.height)/2;      /* make the main screen jump to that cache */
713        if(!event->data.click.down) {
714      /* draw "Terrain:" string */        if(context->appdata->cur_cache) {
715      cairo_move_to (cr, x, y);          printf("ERROR: no current cache should be visible!\n");
716      cairo_set_source_rgba (cr, 0, 0, 0, 1);        } else {
717      cairo_show_text (cr, _(terrain));          gpx_t *is_in = NULL;
718      cairo_stroke (cr);  
719      x += extents.width + 2;          if(!context->appdata->cur_gpx) {
720              printf("click while in \"all\" view\n");
721      /* draw terrain stars */  
722      cairo_draw_pixbuf(cr, icon, x, y -            /* we first need to figure out which gpx file this cache */
723                        (gdk_pixbuf_get_height(icon) + extents.height)/2);            /* is in so we can open it first */
724              gpx_t *gpx = context->appdata->gpx;
725      x += gdk_pixbuf_get_width(icon) + LINE_SKIP;            while(gpx && !is_in) {
726      y -= (gdk_pixbuf_get_height(icon) + extents.height)/2;              cache_t *cur = gpx->cache;
727    }              while(cur && !is_in) {
728                  if(cur == cache)
729    if(cache->difficulty) {                  is_in = gpx;
730      const char *difficulty = "Difficulty:";                cur = cur->next;
731      cairo_text_extents (cr, _(difficulty), &extents);              }
732      y += (gdk_pixbuf_get_height(icon) + extents.height)/2;              gpx = gpx->next;
733              }
734      /* draw "Difficulty:" string */  
735      cairo_move_to (cr, x, y);            if(is_in)
736      cairo_set_source_rgba (cr, 0, 0, 0, 1);              gpxlist_goto_cachelist(context->appdata, is_in);
737      cairo_show_text (cr, _(difficulty));  
738      cairo_stroke (cr);          } else
739      x += extents.width + 2;            /* the simple case: there already is an open gpx file and */
740              /* we just jump into the "cache" view */
741      icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2));            is_in = context->appdata->cur_gpx;
742      cairo_draw_pixbuf(cr, icon, x, y -  
743                        (gdk_pixbuf_get_height(icon) + extents.height)/2);          if(is_in) {
744              printf("selecting %s in %s\n",
745                     cache->id,
746                     context->appdata->cur_gpx->name);
747    
748              cachelist_goto_cache(context->appdata, cache);
749    
750              /* give focus to main screen (important for maemo) */
751              printf("raising main window\n");
752              gtk_window_present(GTK_WINDOW(context->appdata->window));
753            }
754          }
755        }
756      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) {
757        printf("removed\n");
758        context->balloon = NULL;
759    }    }
760  }  }
761    
# Line 412  on_map_button_release_event(GtkWidget *w Line 764  on_map_button_release_event(GtkWidget *w
764                              GdkEventButton *event, map_context_t *context) {                              GdkEventButton *event, map_context_t *context) {
765    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
766    
767      /* in "MAP_CACHE" state only one cache is visible */
768      /* and the map is in navigation mode. the balloon is */
769      /* pretty useless there */
770    if(context->press_on) {    if(context->press_on) {
771    
772      coord_t coo;      coord_t coo;
773      coo = osm_gps_map_get_co_ordinates(map, event->x, event->y);      coo = osm_gps_map_get_co_ordinates(map, event->x, event->y);
774    
# Line 421  on_map_button_release_event(GtkWidget *w Line 777  on_map_button_release_event(GtkWidget *w
777    
778      cache_t *nearest = map_closest(context, &pos);      cache_t *nearest = map_closest(context, &pos);
779      if(nearest && nearest == context->press_on) {      if(nearest && nearest == context->press_on) {
780        float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);        pos_t cpos = gpx_cache_pos(nearest);
781        if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ) {  
782          float dist = gpx_pos_get_distance(pos, cpos, FALSE);
783          if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) {
784    
785          osm_gps_map_draw_balloon(map, nearest->pos.lat, nearest->pos.lon,          context->balloon = nearest;
786                                   balloon_draw_cb, nearest);          osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon,
787                                         balloon_cb, context);
788        }        }
789      }      }
790      context->press_on = NULL;      context->press_on = NULL;
# Line 443  on_map_button_release_event(GtkWidget *w Line 802  on_map_button_release_event(GtkWidget *w
802  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {
803    appdata_t *appdata = context->appdata;    appdata_t *appdata = context->appdata;
804    
   printf("destroy map window\n");  
   
805    /* save map parameters */    /* save map parameters */
806    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
807    gint zoom;    gint zoom;
# Line 466  static void on_window_destroy(GtkWidget Line 823  static void on_window_destroy(GtkWidget
823  #endif  #endif
824    
825    gtk_timeout_remove(context->handler_id);    gtk_timeout_remove(context->handler_id);
826      gps_unregister_callback(appdata, context->cb_id);
827    
828      if(context->caches_displayed) {
829        g_free(context->caches_displayed);
830        context->caches_displayed = NULL;
831      }
832    
833      printf("destroy map context\n");
834    g_free(context);    g_free(context);
835    appdata->map.context = NULL;    appdata->map.context = NULL;
836  }  }
# Line 490  on_window_realize(GtkWidget *widget, gpo Line 854  on_window_realize(GtkWidget *widget, gpo
854  }  }
855  #endif  #endif
856    
857    /* on maemo a window is either on top or completely invisible. this */
858    /* means that we only need to update the map window if its raised.  */
859    /* on ordinary desktops this is different and we always update */
860    
861    static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event,
862                             gpointer data) {
863      map_context_t *context = (map_context_t*)data;
864    
865      printf("map got focus\n");
866    
867    #ifdef USE_MAEMO
868      /* re-enable refresh of map */
869      if(!context->handler_id)
870        context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
871    #endif
872    
873      map_setup(context);
874      return FALSE;
875    }
876    
877    static gboolean on_focus_out(GtkWidget *widget, GdkEventFocus *event,
878                             gpointer data) {
879      map_context_t *context = (map_context_t*)data;
880    
881      printf("map lost focus\n");
882    
883      /* save new map position */
884      gfloat lat, lon;
885      g_object_get(widget, "latitude", &lat, "longitude", &lon, NULL);
886    
887      context->appdata->map.pos.lat = lat;
888      context->appdata->map.pos.lon = lon;
889    
890    #ifdef USE_MAEMO
891      gtk_timeout_remove(context->handler_id);
892      context->handler_id = 0;
893    #endif
894    
895      return FALSE;
896    }
897    
898    void map_update(appdata_t *appdata) {
899      printf("map_update\n");
900    #ifndef USE_MAEMO
901      if(appdata->map.context)
902        map_setup(appdata->map.context);
903    #endif
904    }
905    
906    /* callback called by the gps layer whenever gps state changes */
907    static void
908    gps_callback(struct gps_state *state, gpointer data) {
909      printf("map: gps callback\n");
910    }
911    
912  void map(appdata_t *appdata) {  void map(appdata_t *appdata) {
913    map_context_t *context = NULL;    map_context_t *context = NULL;
914    
915    /* if the map window already exists, just raise it */    /* if the map window already exists, just raise it */
916    if(appdata->map.context) {    if(appdata->map.context) {
917        printf("using existing map!\n");
918      gtk_window_present(GTK_WINDOW(appdata->map.context->window));      gtk_window_present(GTK_WINDOW(appdata->map.context->window));
919        map_setup(appdata->map.context);
920      return;      return;
921    }    }
922    
923    context = appdata->map.context = g_new0(map_context_t, 1);    context = appdata->map.context = g_new0(map_context_t, 1);
924      printf("allocated new context at %p\n", context);
925    
926    context->appdata = appdata;    context->appdata = appdata;
927    context->map_complete = FALSE;    context->state = MAP_NONE;
928    
929    /* cleanup old (pre 0.8.7) path if it exists */    /* cleanup old (pre 0.8.7) path if it exists */
930    char *old_path = g_strdup_printf("%s/map/", appdata->image_path);    char *old_path = g_strdup_printf("%s/map/", appdata->image_path);
# Line 544  void map(appdata_t *appdata) { Line 967  void map(appdata_t *appdata) {
967    g_free(path);    g_free(path);
968    
969    osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget));    osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget));
970    
971    char *name = NULL;    /* set default values if they are invalid */
972  #ifdef USE_MAEMO    if(!context->appdata->map.zoom ||
973    if(!appdata->cur_gpx) {       isnan(context->appdata->map.pos.lat) ||
974  #endif       isnan(context->appdata->map.pos.lon)) {
975      /* draw all geocaches */      printf("no valid map position found\n");
976      gpx_t *gpx = appdata->gpx;  
977      while(gpx) {      pos_t *refpos = get_pos(context->appdata);
978        map_draw_cachelist(context->widget, gpx->cache);      if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
979        gpx = gpx->next;        printf("use refpos\n");
980    
981            /* use gps position if present */
982          context->appdata->map.pos = *refpos;
983          context->appdata->map.zoom = GPS_DEFAULT_ZOOM;
984        } else {
985          printf("use zero pos\n");
986    
987          /* use world map otherwise */
988          context->appdata->map.pos.lat = 0.0;
989          context->appdata->map.pos.lon = 0.0;
990          context->appdata->map.zoom = 1;
991      }      }
     name = g_strdup(_("all geocaches"));  
 #ifdef USE_MAEMO  
   } else {  
     map_draw_cachelist(context->widget, appdata->cur_gpx->cache);  
     name = g_strdup(appdata->cur_gpx->name);  
992    }    }
993  #endif  
994      osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
995    char *title = g_strdup_printf(_("Map - %s"), name);                              context->appdata->map.pos.lat,
996    g_free(name);                              context->appdata->map.pos.lon,
997                                context->appdata->map.zoom);
998    
999  #ifdef USE_MAEMO  #ifdef USE_MAEMO
1000  #ifdef USE_STACKABLE_WINDOW    /* we don't use a stackable window here on fremantle, since */
1001    context->window = hildon_stackable_window_new();    /* this leaves the main window independent from the map and */
1002    /* try to enable the zoom buttons. don't do this on x86 as it breaks */    /* the user can e.g. still navigate the main menu */
1003    /* at runtime with cygwin x */    context->window = hildon_window_new();
1004  #ifndef __i386__  
1005    #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
1006    g_signal_connect(G_OBJECT(context->window), "realize",    g_signal_connect(G_OBJECT(context->window), "realize",
1007                     G_CALLBACK(on_window_realize), NULL);                     G_CALLBACK(on_window_realize), NULL);
1008  #endif // MAEMO_VERSION  #endif // MAEMO_VERSION
1009  #else  #else
   context->window = hildon_window_new();  
 #endif  
 #else  
1010    context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);    context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1011  #endif  #endif
1012    
   gtk_window_set_title(GTK_WINDOW(context->window), title);  
   
1013  #ifndef USE_MAEMO  #ifndef USE_MAEMO
1014    gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480);    gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480);
1015  #endif  #endif
1016    
1017    g_free(title);    g_signal_connect(G_OBJECT(context->widget), "focus-in-event",
1018                       G_CALLBACK(on_focus_in), context);
1019    
1020    g_signal_connect(G_OBJECT(context->widget), "configure-event",    g_signal_connect(G_OBJECT(context->widget), "focus-out-event",
1021                     G_CALLBACK(on_map_configure), context);                     G_CALLBACK(on_focus_out), context);
1022    
1023    g_signal_connect(G_OBJECT(context->widget), "button-press-event",    g_signal_connect(G_OBJECT(context->widget), "button-press-event",
1024                     G_CALLBACK(on_map_button_press_event), context);                     G_CALLBACK(on_map_button_press_event), context);
# Line 601  void map(appdata_t *appdata) { Line 1028  void map(appdata_t *appdata) {
1028    
1029    /* install handler for timed updates of the gps button */    /* install handler for timed updates of the gps button */
1030    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
1031      context->cb_id = gps_register_callback(appdata, gps_callback, context);
1032    
1033  #if MAEMO_VERSION_MAJOR == 5  #if MAEMO_VERSION_MAJOR == 5
1034    /* prevent some of the main screen things */    /* prevent some of the main screen things */
# Line 613  void map(appdata_t *appdata) { Line 1041  void map(appdata_t *appdata) {
1041    
1042    gtk_container_add(GTK_CONTAINER(context->window), context->widget);    gtk_container_add(GTK_CONTAINER(context->window), context->widget);
1043    gtk_widget_show_all(GTK_WIDGET(context->window));    gtk_widget_show_all(GTK_WIDGET(context->window));
1044    
1045      /* setup cache state */
1046      map_setup(context);
1047  }  }
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