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

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revision 33 by harbaum, Tue Jul 28 13:21:40 2009 UTC revision 144 by harbaum, Tue Oct 27 08:38:31 2009 UTC
# Line 1  Line 1 
1  /*  /*
2   * Copyright (C) 2008 Till Harbaum <till@harbaum.org>.   * Copyright (C) 2008-2009 Till Harbaum <till@harbaum.org>.
3   *   *
4   * This file is part of GPXView.   * This file is part of GPXView.
5   *   *
# Line 17  Line 17 
17   * along with GPXView.  If not, see <http://www.gnu.org/licenses/>.   * along with GPXView.  If not, see <http://www.gnu.org/licenses/>.
18   */   */
19    
20    /*
21     * http://topo.geofabrik.de/relief/${z}/${x}/${y}.png  8-15
22     * http://topo.geofabrik.de/trail/${z}/${x}/${y}.png   8-15
23     */
24    
25  #include "gpxview.h"  #include "gpxview.h"
26    #include "converter.h"
27    #include <math.h>    // for isnan
28    
29  #ifdef ENABLE_OSM_GPS_MAP  #ifdef ENABLE_OSM_GPS_MAP
30  #include "osm-gps-map.h"  #include "osm-gps-map.h"
31    #include "osm-gps-map-osd-classic.h"
32    #endif
33    
34    #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5)
35    #include <gdk/gdkx.h>
36    #include <X11/Xatom.h>
37  #endif  #endif
38    
39  typedef struct {  /* default values */
40    GtkWidget *widget;  #define MAP_SOURCE  OSM_GPS_MAP_SOURCE_OPENCYCLEMAP
41    GtkWidget *zoomin, *zoomout, *gps;  #define GPS_DEFAULT_ZOOM 13
42    gint handler_id;  
43  } map_context_t;  #define PROXY_KEY  "/system/http_proxy/"
44    
45  static const char *get_proxy_uri(void) {  static const char *get_proxy_uri(appdata_t *appdata) {
46    static char proxy_buffer[64];    static char proxy_buffer[64] = "";
47    
48    /* use environment settings if preset */    /* use environment settings if preset */
49    const char *proxy = g_getenv("http_proxy");    const char *proxy = g_getenv("http_proxy");
# Line 39  static const char *get_proxy_uri(void) { Line 52  static const char *get_proxy_uri(void) {
52      return proxy;      return proxy;
53    }    }
54    
55  #if 0    /* ------------- get proxy settings -------------------- */
56    /* otherwise try settings */    if(gconf_client_get_bool(appdata->gconf_client,
57    if(!settings || !settings->proxy ||                             PROXY_KEY "use_http_proxy", NULL)) {
58       !settings->proxy->host) return NULL;  
59        /* we can savely ignore things like "ignore_hosts" since we */
60        /* are pretty sure not inside the net of one of our map renderers */
61        /* (unless the user works at google :-) */
62    
63        /* get basic settings */
64        char *host =
65          gconf_client_get_string(appdata->gconf_client, PROXY_KEY "host", NULL);
66        if(host) {
67          int port =
68            gconf_client_get_int(appdata->gconf_client, PROXY_KEY "port", NULL);
69    
70          snprintf(proxy_buffer, sizeof(proxy_buffer),
71                   "http://%s:%u", host, port);
72    
73          g_free(host);
74        }
75        return proxy_buffer;
76      }
77    
78    snprintf(proxy_buffer, sizeof(proxy_buffer), "%s%s:%u",    return NULL;
79             strncmp(settings->proxy->host, "http://", 7)?"http://":"",  }
            settings->proxy->host, settings->proxy->port);  
80    
81    proxy_buffer[sizeof(proxy_buffer)-1] = 0;  static void
82    printf("gconf_proxy: %s\n", proxy_buffer);  cb_map_gps(osd_button_t but, map_context_t *context) {
 #endif  
83    
84    return proxy_buffer;    if(but == OSD_GPS) {
85        pos_t *refpos = get_pos(context->appdata);
86        if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
87          gint zoom;
88          g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL);
89          if(zoom < 10)
90            osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
91                                      refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM);
92          else
93            osm_gps_map_set_center(OSM_GPS_MAP(context->widget),
94                                   refpos->lat, refpos->lon);
95    
96          /* re-enable centering */
97          g_object_set(context->widget, "auto-center", TRUE, NULL);
98        } else {
99          /* no coordinates given: display the entire world */
100          osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
101                                    0.0, 0.0, 1);
102        }
103      }
104  }  }
105    
106  static void map_zoom(map_context_t *context, int step) {  static int dist2pixel(map_context_t *context, float km, float lat) {
107    int zoom;    return 1000.0*km/osm_gps_map_get_scale(OSM_GPS_MAP(context->widget));
108    OsmGpsMap *map = OSM_GPS_MAP(context->widget);  }
   g_object_get(map, "zoom", &zoom, NULL);  
   zoom = osm_gps_map_set_zoom(map, zoom+step);  
109    
110    /* enable/disable zoom buttons as required */  static gboolean map_gps_update(gpointer data) {
111    gtk_widget_set_sensitive(context->zoomin, zoom<17);    map_context_t *context = (map_context_t*)data;
112    gtk_widget_set_sensitive(context->zoomout, zoom>1);  
113      /* get reference position ... */
114      pos_t *refpos = get_pos(context->appdata);
115      gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);
116    
117      /* ... and enable "goto" button if it's valid */
118      osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget),
119                     OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context);
120    
121      if(ok) {
122        float heading = NAN;
123        int radius = 0;
124    
125        if(context->appdata->use_gps) {
126          heading = gps_get_heading(context->appdata);
127    
128          /* get error */
129          float eph = gps_get_eph(context->appdata);
130          if(!isnan(eph))
131            radius = dist2pixel(context, eph/1000, refpos->lat);
132        }
133    
134        g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL);
135        osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),
136                             refpos->lat, refpos->lon, heading);
137      } else
138        osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget));
139    
140      return TRUE;
141  }  }
142    
143  static gboolean  static void map_draw_cache(GtkWidget *map, cache_t *cache) {
144  cb_map_zoomin(GtkButton *button, map_context_t *context) {    GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type);
145    map_zoom(context, +1);  
146      /* check if there's also an overwritten coordinate */
147      if(cache->notes && cache->notes->override) {
148        GdkPixbuf *over = icon_get(ICON_MISC, 1);
149    
150        osm_gps_map_add_image(OSM_GPS_MAP(map),
151              cache->notes->pos.lat, cache->notes->pos.lon, icon);
152    
153        osm_gps_map_add_image(OSM_GPS_MAP(map),
154              cache->notes->pos.lat, cache->notes->pos.lon, over);
155      } else {
156        if(!isnan(cache->pos.lat) && !isnan(cache->pos.lon))
157          osm_gps_map_add_image(OSM_GPS_MAP(map),
158                                cache->pos.lat, cache->pos.lon, icon);
159      }
160    }
161    
162    static void map_draw_gpx(appdata_t *appdata, GtkWidget *map, gpx_t *gpx) {
163      if(!gpx->notes_loaded) {
164        notes_load_all(appdata, gpx);
165        gpx->notes_loaded = TRUE;
166      }
167    
168      cache_t *cache = gpx->cache;
169      while(cache) {
170        map_draw_cache(map, cache);
171        cache = cache->next;
172      }
173    }
174    
175    /* draw geocaches and set window title */
176    static void map_setup(map_context_t *context) {
177      char *name = NULL;
178    
179      if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
180        if(context->state != MAP_ALL) {
181          printf("map_setup(ALL)\n");
182    
183    #ifdef OSD_NAV
184          /* no navigation in this mode */
185          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
186    #endif
187    
188          /* clear all existing ccahe images */
189          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
190    
191          /* draw all geocaches */
192          gpx_t *gpx = context->appdata->gpx;
193          while(gpx) {
194            map_draw_gpx(context->appdata, context->widget, gpx);
195            gpx = gpx->next;
196          }
197          name = g_strdup(_("all"));
198          context->state = MAP_ALL;
199        }
200      } else if(!context->appdata->cur_cache) {
201        if(context->state != MAP_GPX) {
202          printf("map_setup(GPX)\n");
203    
204    #ifdef OSD_NAV
205          /* no navigation in this mode */
206          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
207    #endif
208    
209          /* clear all existing ccahe images */
210          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
211    
212          map_draw_gpx(context->appdata, context->widget,
213                       context->appdata->cur_gpx);
214          name = g_strdup(context->appdata->cur_gpx->name);
215          context->state = MAP_GPX;
216        }
217      } else {
218        cache_t *cache = context->appdata->cur_cache;
219    
220        printf("map_setp(CACHE)\n");
221    
222        /* no balloons in this mode */
223        context->balloon = NULL;
224        osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
225    
226        /* clear all existing ccahe images */
227        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
228    
229        map_draw_cache(context->widget, cache);
230        name = g_strdup(cache->name);
231        context->state = MAP_CACHE;
232    
233        /* navigation in this mode! */
234        pos_t cpos = gpx_cache_pos(cache);
235    
236    #ifdef OSD_NAV
237        osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget),
238                                  context->appdata->imperial,
239                                  cpos.lat, cpos.lon, cache->name);
240    #else
241    #warning OSD_NAV not defined!
242    #endif
243      }
244    
245      if(name) {
246        char *title = g_strdup_printf(_("Map - %s"), name);
247        g_free(name);
248    
249        gtk_window_set_title(GTK_WINDOW(context->window), title);
250    
251        g_free(title);
252      } else
253        printf("map_setup(keep)\n");
254    }
255    
256    static gboolean on_map_configure(GtkWidget *widget,
257                                     GdkEventConfigure *event,
258                                     map_context_t *context) {
259    
260      /* for some reason there's a configure event with 1/1 */
261      /* on diablo. We just ignore this! */
262    
263      printf("on_map_configure %d %d\n",
264             widget->allocation.width,
265             widget->allocation.height);
266    
267      if(!context->map_complete &&
268         (widget->allocation.width > 100) &&
269         (widget->allocation.height > 100)) {
270    
271        /* setup cache state */
272        map_setup(context);
273    
274        /* set default values if they are invalid */
275        if(!context->appdata->map.zoom ||
276           isnan(context->appdata->map.pos.lat) ||
277           isnan(context->appdata->map.pos.lon)) {
278          printf("no valid map position found\n");
279    
280          pos_t *refpos = get_pos(context->appdata);
281          if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
282            printf("use refpos\n");
283    
284            /* use gps position if present */
285            context->appdata->map.pos = *refpos;
286            context->appdata->map.zoom = GPS_DEFAULT_ZOOM;
287          } else {
288            printf("use zero pos\n");
289    
290            /* use world map otherwise */
291            context->appdata->map.pos.lat = 0.0;
292            context->appdata->map.pos.lon = 0.0;
293            context->appdata->map.zoom = 1;
294          }
295        }
296    
297        /* jump to initial position */
298        printf("osm_gps_map_set_mapcenter(%f,%f,%d)\n",
299               context->appdata->map.pos.lat,
300               context->appdata->map.pos.lon,
301               context->appdata->map.zoom);
302    
303        osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
304                                  context->appdata->map.pos.lat,
305                                  context->appdata->map.pos.lon,
306                                  context->appdata->map.zoom);
307        context->map_complete = TRUE;
308      }
309    
310    return FALSE;    return FALSE;
311  }  }
312    
313    static void
314    map_cachelist_nearest(cache_t *cache, pos_t *pos,
315                          cache_t **result, float *distance) {
316    
317      while(cache) {
318        pos_t cpos = gpx_cache_pos(cache);
319    
320        float dist =
321          pow(cpos.lat - pos->lat, 2) +
322          pow(cpos.lon - pos->lon, 2);
323    
324        if(!(dist > *distance)) {
325          *result = cache;
326          *distance = dist;
327        }
328    
329        cache = cache->next;
330      }
331    }
332    
333    static cache_t *map_closest(map_context_t *context, pos_t *pos) {
334      cache_t *result = NULL;
335      float distance = NAN;
336    
337      if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
338        /* search all geocaches */
339        gpx_t *gpx = context->appdata->gpx;
340        while(gpx) {
341          map_cachelist_nearest(gpx->cache, pos, &result, &distance);
342          gpx = gpx->next;
343        }
344      } else if(context->appdata->cur_gpx) {
345        map_cachelist_nearest(context->appdata->cur_gpx->cache,
346                              pos, &result, &distance);
347      } else
348        result = context->appdata->cur_gpx->cache;
349    
350      return result;
351    }
352    
353    /* translate between osm-gps-map positions and gpxview ones */
354    pos_t coord2pos(coord_t coo) {
355      pos_t pos;
356      pos.lat = rad2deg(coo.rlat);
357      pos.lon = rad2deg(coo.rlon);
358      return pos;
359    }
360    
361    #define CLICK_FUZZ (24)
362    
363  static gboolean  static gboolean
364  cb_map_zoomout(GtkButton *button, map_context_t *context) {  on_map_button_press_event(GtkWidget *widget,
365    map_zoom(context, -1);                              GdkEventButton *event, map_context_t *context) {
366    
367      OsmGpsMap *map = OSM_GPS_MAP(context->widget);
368    
369      /* check if we actually clicked parts of the OSD */
370      if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE)
371        return FALSE;
372    
373      /* got a press event without release event? eat it! */
374      if(context->press_on != NULL) {
375        printf("PRESS: already\n");
376        return FALSE;
377      }
378    
379      pos_t pos =
380        coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
381    
382      cache_t *nearest = map_closest(context, &pos);
383      if(nearest) {
384        pos_t cpos = gpx_cache_pos(nearest);
385    
386        float dist = gpx_pos_get_distance(pos, cpos, FALSE);
387        if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ)
388          context->press_on = nearest;
389      }
390    
391    return FALSE;    return FALSE;
392  }  }
393    
394    static void
395    cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf *buf, gint x, gint y) {
396      /* convert the pixbuf into something cairo can handle */
397    
398      // Create a new ImageSurface
399      cairo_surface_t *image_surface =
400        cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
401                                   gdk_pixbuf_get_width(buf),
402                                   gdk_pixbuf_get_height(buf));
403    
404      // Create the new Context for the ImageSurface
405      cairo_t *context = cairo_create(image_surface);
406    
407      // Draw the image on the new Context
408      gdk_cairo_set_source_pixbuf(context, buf, 0.0, 0.0);
409      cairo_paint(context);
410    
411      // now draw this onto the original context
412      cairo_set_source_surface(cr, image_surface, x, y);
413    
414      cairo_paint(cr);
415    }
416    
417    #ifndef BIG_BALLOONS
418    #define LINE_SKIP  7
419    #else
420    #define LINE_SKIP  12
421    #endif
422    
423    static void
424    balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) {
425      printf("balloon event: ");
426    
427      map_context_t *context = (map_context_t*)data;
428      cache_t *cache = context->balloon;
429    
430      if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) {
431        printf("draw\n");
432    
433    #if 0
434        /* draw pink background to check clipping */
435        cairo_rectangle (event->data.draw.cr,
436                         event->data.draw.rect->x-20, event->data.draw.rect->y-20,
437                         event->data.draw.rect->w+40, event->data.draw.rect->h+40);
438        cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3);
439        cairo_fill_preserve (event->data.draw.cr);
440        cairo_set_line_width (event->data.draw.cr, 0);
441        cairo_stroke (event->data.draw.cr);
442    #endif
443    
444        /* leave a little border top and left */
445        gint x = event->data.draw.rect->x, y = event->data.draw.rect->y;
446    
447        /* draw the cache type icon ... */
448        GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type);
449        cairo_draw_pixbuf(event->data.draw.cr, icon, x, y);
450    
451        if(cache->notes && cache->notes->override) {
452          GdkPixbuf *over = icon_get(ICON_MISC, 1);
453          cairo_draw_pixbuf(event->data.draw.cr, over, x, y);
454        }
455    
456        /* ... and right of it the waypoint id */
457        cairo_text_extents_t extents;
458    
459        if(cache->id) {
460          cairo_select_font_face (event->data.draw.cr, "Sans",
461                                  CAIRO_FONT_SLANT_NORMAL,
462                                  CAIRO_FONT_WEIGHT_BOLD);
463    
464    #ifndef BIG_BALLOONS
465          cairo_set_font_size (event->data.draw.cr, 20.0);
466    #else
467          cairo_set_font_size (event->data.draw.cr, 36.0);
468    #endif
469    
470          cairo_text_extents (event->data.draw.cr, cache->id, &extents);
471    
472          /* display id right of icon vertically centered */
473          x += gdk_pixbuf_get_width(icon) + 5;
474          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
475          cairo_move_to (event->data.draw.cr, x, y);
476          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
477          cairo_show_text (event->data.draw.cr, cache->id);
478          cairo_stroke (event->data.draw.cr);
479    
480          y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP;
481        } else
482          y += gdk_pixbuf_get_height(icon);
483    
484        /* return to the left border and below icon/text */
485        x = event->data.draw.rect->x;
486    
487        /* everything from here uses the same font */
488        cairo_select_font_face (event->data.draw.cr, "Sans", CAIRO_FONT_SLANT_NORMAL,
489                                CAIRO_FONT_WEIGHT_NORMAL);
490    #ifndef BIG_BALLOONS
491        cairo_set_font_size (event->data.draw.cr, 14.0);
492    #else
493        cairo_set_font_size (event->data.draw.cr, 22.0);
494    #endif
495    
496        if(cache->name) {
497          /* draw cache name */
498          cairo_text_extents (event->data.draw.cr, cache->name, &extents);
499          y += extents.height;
500          cairo_move_to (event->data.draw.cr, x, y);
501          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
502          cairo_show_text (event->data.draw.cr, cache->name);
503          cairo_stroke (event->data.draw.cr);
504    
505          /* return to the left border and below text */
506          y += LINE_SKIP;
507          x = event->data.draw.rect->x;
508        }
509    
510        if(cache->terrain) {
511          /* draw cache rating */
512          const char *terrain = "Terrain:";
513          icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2));
514          cairo_text_extents (event->data.draw.cr, _(terrain), &extents);
515          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
516    
517          /* draw "Terrain:" string */
518          cairo_move_to (event->data.draw.cr, x, y);
519          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
520          cairo_show_text (event->data.draw.cr, _(terrain));
521          cairo_stroke (event->data.draw.cr);
522          x += extents.width + 2;
523    
524          /* draw terrain stars */
525          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y -
526                            (gdk_pixbuf_get_height(icon) + extents.height)/2);
527    
528          x += gdk_pixbuf_get_width(icon) + LINE_SKIP;
529        y -= (gdk_pixbuf_get_height(icon) + extents.height)/2;
530        }
531    
532        if(cache->difficulty) {
533          const char *difficulty = "Difficulty:";
534          cairo_text_extents (event->data.draw.cr, _(difficulty), &extents);
535          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
536    
537          /* draw "Difficulty:" string */
538          cairo_move_to (event->data.draw.cr, x, y);
539          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
540          cairo_show_text (event->data.draw.cr, _(difficulty));
541          cairo_stroke (event->data.draw.cr);
542          x += extents.width + 2;
543    
544          icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2));
545          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y -
546                          (gdk_pixbuf_get_height(icon) + extents.height)/2);
547        }
548      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) {
549        printf("click %s event at %d %d\n",
550               event->data.click.down?"down":"up",
551               event->data.click.x, event->data.click.y);
552    
553        /* make the main screen jump to that cache */
554        if(!event->data.click.down) {
555          if(context->appdata->cur_cache) {
556            printf("ERROR: no current cache should be visible!\n");
557          } else {
558            gpx_t *is_in = NULL;
559    
560            if(!context->appdata->cur_gpx) {
561              printf("click while in \"all\" view\n");
562    
563              /* we first need to figure out which gpx file this cache */
564              /* is in so we can open it first */
565              gpx_t *gpx = context->appdata->gpx;
566              while(gpx && !is_in) {
567                cache_t *cur = gpx->cache;
568                while(cur && !is_in) {
569                  if(cur == cache)
570                    is_in = gpx;
571                  cur = cur->next;
572                }
573                gpx = gpx->next;
574              }
575    
576              if(is_in)
577                gpxlist_goto_cachelist(context->appdata, is_in);
578    
579            } else
580              /* the simple case: there already is an open gpx file and */
581              /* we just jump into the "cache" view */
582              is_in = context->appdata->cur_gpx;
583    
584            if(is_in) {
585              printf("selecting %s in %s\n",
586                     cache->id,
587                     context->appdata->cur_gpx->name);
588    
589              cachelist_goto_cache(context->appdata, cache);
590    
591              /* give focus to main screen (important for maemo) */
592              printf("raising main window\n");
593              gtk_window_present(GTK_WINDOW(context->appdata->window));
594            }
595          }
596        }
597      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) {
598        printf("removed\n");
599        context->balloon = NULL;
600      }
601    }
602    
603  static gboolean  static gboolean
604  cb_map_gps(GtkButton *button, map_context_t *context) {  on_map_button_release_event(GtkWidget *widget,
605                                GdkEventButton *event, map_context_t *context) {
606      OsmGpsMap *map = OSM_GPS_MAP(context->widget);
607    
608    //  osm_gps_map_set_center(OSM_GPS_MAP(context->widget),    /* in "MAP_CACHE" state only one cache is visible */
609    //                     DEG2RAD(pos.lat), DEG2RAD(pos.lon));    /* and the map is in navigation mode. the balloon is */
610      /* pretty useless there */
611      if(context->press_on && (context->state != MAP_CACHE)) {
612    
613        coord_t coo;
614        coo = osm_gps_map_get_co_ordinates(map, event->x, event->y);
615    
616        pos_t pos =
617          coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
618    
619        cache_t *nearest = map_closest(context, &pos);
620        if(nearest && nearest == context->press_on) {
621          pos_t cpos = gpx_cache_pos(nearest);
622    
623          float dist = gpx_pos_get_distance(pos, cpos, FALSE);
624          if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) {
625    
626            context->balloon = nearest;
627            osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon,
628                                         balloon_cb, context);
629          }
630        }
631        context->press_on = NULL;
632      } else {
633        /* save new map position */
634        gfloat lat, lon;
635        g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);
636        context->appdata->map.pos.lat = lat;
637        context->appdata->map.pos.lon = lon;
638      }
639    
640    return FALSE;    return FALSE;
641  }  }
642    
643  static GtkWidget  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {
644  *map_add_button(const gchar *icon, GCallback cb, gpointer data,    appdata_t *appdata = context->appdata;
645                  char *tooltip) {  
646    GtkWidget *button = gtk_button_new();    /* save map parameters */
647    gtk_button_set_image(GTK_BUTTON(button),    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
648                         gtk_image_new_from_stock(icon, GTK_ICON_SIZE_MENU));    gint zoom;
649    g_signal_connect(button, "clicked", cb, data);    g_object_get(map, "zoom", &zoom, NULL);
650  #ifndef USE_MAEMO    context->appdata->map.zoom = zoom;
651    gtk_widget_set_tooltip_text(button, tooltip);  
652      gfloat lat, lon;
653      g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);
654      context->appdata->map.pos.lat = lat;
655      context->appdata->map.pos.lon = lon;
656    
657      gint source;
658      g_object_get(map, "map-source", &source, NULL);
659      context->appdata->map.source = source;
660    
661    #if MAEMO_VERSION_MAJOR == 5
662      /* restore cur_view */
663      context->appdata->cur_view = context->old_view;
664  #endif  #endif
   return button;  
 }  
665    
666  static gboolean map_gps_update(gpointer data) {    gtk_timeout_remove(context->handler_id);
667    map_context_t *context = (map_context_t*)data;  
668      g_free(context);
669      appdata->map.context = NULL;
670    }
671    
672    //  gtk_widget_set_sensitive(context->map.gps, gps_fix);  #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
673    /* get access to zoom buttons */
674    static void
675    on_window_realize(GtkWidget *widget, gpointer data) {
676      if (widget->window) {
677        unsigned char value = 1;
678        Atom hildon_zoom_key_atom =
679          gdk_x11_get_xatom_by_name("_HILDON_ZOOM_KEY_ATOM"),
680          integer_atom = gdk_x11_get_xatom_by_name("INTEGER");
681        Display *dpy =
682          GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(widget->window));
683        Window w = GDK_WINDOW_XID(widget->window);
684    
685    return TRUE;      XChangeProperty(dpy, w, hildon_zoom_key_atom,
686                        integer_atom, 8, PropModeReplace, &value, 1);
687      }
688  }  }
689    #endif
690    
691    /* on maemo a window is either on top or completely invisible. this */
692    /* means that we only need to update the map window if its raised.  */
693    /* on ordinary desktops this is different and we always update */
694    
695    static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event,
696                             gpointer data) {
697      printf("map got focus\n");
698      map_setup((map_context_t*)data);
699      return FALSE;
700    }
701    
702    void map_update(appdata_t *appdata) {
703      printf("map_update\n");
704    #ifndef USE_MAEMO
705      if(appdata->map.context)
706        map_setup(appdata->map.context);
707    #endif
708    }
709    
710  void map(appdata_t *appdata) {  void map(appdata_t *appdata) {
711    map_context_t context;    map_context_t *context = NULL;
712    
713    GtkWidget *dialog = gtk_dialog_new_with_buttons(_("Map"),    /* if the map window already exists, just raise it */
714                            GTK_WINDOW(appdata->window),    if(appdata->map.context) {
715                            GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,      printf("using existing map!\n");
716                            GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,      gtk_window_present(GTK_WINDOW(appdata->map.context->window));
717                            NULL);      map_setup(appdata->map.context);
718        return;
719      }
720    
721  #ifndef USE_MAEMO    context = appdata->map.context = g_new0(map_context_t, 1);
722    gtk_window_set_default_size(GTK_WINDOW(dialog), 400, 350);    context->appdata = appdata;
723      context->map_complete = FALSE;
724      context->state = MAP_NONE;
725    
726      /* cleanup old (pre 0.8.7) path if it exists */
727      char *old_path = g_strdup_printf("%s/map/", appdata->image_path);
728      if(g_file_test(old_path, G_FILE_TEST_IS_DIR)) {
729        printf("old file path %s exists\n", old_path);
730        rmdir_recursive(old_path);
731      }
732    
733      /* It is recommanded that all applications share these same */
734      /* map path, so data is only cached once. The path should be: */
735      /* ~/.osm-gps-map on standard PC     (users home) */
736      /* /home/user/.osm-gps-map on Maemo5 (ext3 on internal card) */
737      /* /media/mmc2/osm-gps-map on Maemo4 (vfat on internal card) */
738    #if !defined(USE_MAEMO)
739      char *p = getenv("HOME");
740      if(!p) p = "/tmp";
741      char *path = g_strdup_printf("%s/.osm-gps-map", p);
742  #else  #else
743    gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480);  #if MAEMO_VERSION_MAJOR == 5
744      char *path = g_strdup("/home/user/.osm-gps-map");
745    #else
746      char *path = g_strdup("/media/mmc2/osm-gps-map");
747    #endif
748  #endif  #endif
749    
750    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);    const char *proxy = get_proxy_uri(appdata);
751    
752    char *path = g_strdup_printf("%s/map/", appdata->image_path);    gint source = context->appdata->map.source;
753      if(!source) source = MAP_SOURCE;
754    
755    context.widget = g_object_new(OSM_TYPE_GPS_MAP,    context->widget = g_object_new(OSM_TYPE_GPS_MAP,
756                  "repo-uri", MAP_SOURCE_OPENSTREETMAP,                   "map-source",               source,
757                  "proxy-uri", get_proxy_uri(),                   "tile-cache",               path,
758                  "tile-cache", path,                   "auto-center",              FALSE,
759                     "record-trip-history",      FALSE,
760                     "show-trip-history",        FALSE,
761                     proxy?"proxy-uri":NULL,     proxy,
762                   NULL);                   NULL);
763    
764    g_free(path);    g_free(path);
765    
766  #if 0    osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget));
767    g_signal_connect(G_OBJECT(context.widget), "button-release-event",  
768                     G_CALLBACK(on_map_button_release_event), &context);  #ifdef USE_MAEMO
769      /* we don't use a stackable window here on fremantle, since */
770      /* this leaves the main window independent from the map and */
771      /* the user can e.g. still navigate the main menu */
772      context->window = hildon_window_new();
773    
774    #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
775      g_signal_connect(G_OBJECT(context->window), "realize",
776                       G_CALLBACK(on_window_realize), NULL);
777    #endif // MAEMO_VERSION
778    #else
779      context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
780  #endif  #endif
781    
782    gtk_box_pack_start_defaults(GTK_BOX(hbox), context.widget);  #ifndef USE_MAEMO
783    /* zoom button box */    gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480);
784    GtkWidget *vbox = gtk_vbox_new(FALSE,0);  #endif
   
   context.zoomin =  
     map_add_button(GTK_STOCK_ZOOM_IN, G_CALLBACK(cb_map_zoomin),  
                    &context, _("Zoom in"));  
   gtk_box_pack_start(GTK_BOX(vbox), context.zoomin, FALSE, FALSE, 0);  
   
   context.zoomout =  
     map_add_button(GTK_STOCK_ZOOM_OUT, G_CALLBACK(cb_map_zoomout),  
                    &context, _("Zoom out"));  
   gtk_box_pack_start(GTK_BOX(vbox), context.zoomout, FALSE, FALSE, 0);  
   
   context.gps =  
     map_add_button(GTK_STOCK_HOME, G_CALLBACK(cb_map_gps),  
                    &context, _("Jump to GPS position"));  
   gtk_widget_set_sensitive(context.gps, FALSE);  
   /* install handler for timed updates of the gps button */  
   context.handler_id = gtk_timeout_add(1000, map_gps_update, &context);  
   gtk_box_pack_start(GTK_BOX(vbox), context.gps, FALSE, FALSE, 0);  
785    
786    gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);    g_signal_connect(G_OBJECT(context->widget), "focus-in-event",
787                       G_CALLBACK(on_focus_in), context);
788    
789    gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox);    g_signal_connect(G_OBJECT(context->widget), "configure-event",
790                       G_CALLBACK(on_map_configure), context);
791    
792    gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);    g_signal_connect(G_OBJECT(context->widget), "button-press-event",
793                       G_CALLBACK(on_map_button_press_event), context);
794    
795    gtk_widget_show_all(dialog);    g_signal_connect(G_OBJECT(context->widget), "button-release-event",
796                       G_CALLBACK(on_map_button_release_event), context);
797    
798    gtk_dialog_run(GTK_DIALOG(dialog));    /* install handler for timed updates of the gps button */
799      context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
800    gtk_widget_destroy(dialog);  
801    #if MAEMO_VERSION_MAJOR == 5
802      /* prevent some of the main screen things */
803      context->old_view = appdata->cur_view;
804      appdata->cur_view = NULL;
805    #endif
806    
807      g_signal_connect(G_OBJECT(context->window), "destroy",
808                       G_CALLBACK(on_window_destroy), context);
809    
810      gtk_container_add(GTK_CONTAINER(context->window), context->widget);
811      gtk_widget_show_all(GTK_WIDGET(context->window));
812  }  }
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