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

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revision 35 by harbaum, Thu Jul 30 08:29:52 2009 UTC revision 54 by harbaum, Wed Aug 12 19:20:00 2009 UTC
# Line 24  Line 24 
24  #include "osm-gps-map.h"  #include "osm-gps-map.h"
25  #endif  #endif
26    
27    #define GPS_DEFAULT_ZOOM 13
28    
29    /* equatorial radius in meters */
30    #define EQ_RADIUS     (6378137.0)
31    
32    #define RAD2DEG(a)  (((a)*180.0)/M_PI)
33    #define DEG2RAD(a)  (((a)*M_PI)/180.0)
34    
35  typedef struct {  typedef struct {
36    appdata_t *appdata;    appdata_t *appdata;
37    GtkWidget *widget;    GtkWidget *widget;
38    GtkWidget *zoomin, *zoomout, *gps;    GtkWidget *zoomin, *zoomout, *gps;
39    gint handler_id;    gint handler_id;
40      cache_t *press_on;
41    #if MAEMO_VERSION_MAJOR == 5
42      GtkWidget *old_view;
43    #endif
44  } map_context_t;  } map_context_t;
45    
46  #define PROXY_KEY  "/system/http_proxy/"  #define PROXY_KEY  "/system/http_proxy/"
# Line 70  static const char *get_proxy_uri(appdata Line 82  static const char *get_proxy_uri(appdata
82  }  }
83    
84  static void map_zoom(map_context_t *context, int step) {  static void map_zoom(map_context_t *context, int step) {
85    int zoom;    gint zoom;
86    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
87    g_object_get(map, "zoom", &zoom, NULL);    g_object_get(map, "zoom", &zoom, NULL);
88    zoom = osm_gps_map_set_zoom(map, zoom+step);    zoom = osm_gps_map_set_zoom(map, zoom+step);
# Line 78  static void map_zoom(map_context_t *cont Line 90  static void map_zoom(map_context_t *cont
90    /* enable/disable zoom buttons as required */    /* enable/disable zoom buttons as required */
91    gtk_widget_set_sensitive(context->zoomin, zoom<17);    gtk_widget_set_sensitive(context->zoomin, zoom<17);
92    gtk_widget_set_sensitive(context->zoomout, zoom>1);    gtk_widget_set_sensitive(context->zoomout, zoom>1);
93    
94      /* save new zoom */
95      context->appdata->map.zoom = zoom;
96  }  }
97    
98  static gboolean  static gboolean
# Line 97  cb_map_gps(GtkButton *button, map_contex Line 112  cb_map_gps(GtkButton *button, map_contex
112    pos_t *refpos = get_pos(context->appdata);    pos_t *refpos = get_pos(context->appdata);
113    if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {    if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
114      osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),      osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
115                                refpos->lat, refpos->lon, 14);                        refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM);
116    } else {    } else {
117      /* no coordinates given: display the entire world */      /* no coordinates given: display the entire world */
118      osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),      osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
# Line 108  cb_map_gps(GtkButton *button, map_contex Line 123  cb_map_gps(GtkButton *button, map_contex
123  }  }
124    
125  static GtkWidget  static GtkWidget
126  *map_add_button(const gchar *icon, GCallback cb, gpointer data,  *map_add_button(int icon, GCallback cb, gpointer data,
127                  char *tooltip) {                  char *tooltip) {
128    GtkWidget *button = gtk_button_new();    GtkWidget *button = gtk_button_new();
129    gtk_button_set_image(GTK_BUTTON(button),    gtk_button_set_image(GTK_BUTTON(button), icon_get_widget(ICON_MISC, icon));
                        gtk_image_new_from_stock(icon, GTK_ICON_SIZE_MENU));  
130    g_signal_connect(button, "clicked", cb, data);    g_signal_connect(button, "clicked", cb, data);
131  #ifndef USE_MAEMO  #ifndef USE_MAEMO
132    gtk_widget_set_tooltip_text(button, tooltip);    gtk_widget_set_tooltip_text(button, tooltip);
# Line 123  static GtkWidget Line 137  static GtkWidget
137  static gboolean map_gps_update(gpointer data) {  static gboolean map_gps_update(gpointer data) {
138    map_context_t *context = (map_context_t*)data;    map_context_t *context = (map_context_t*)data;
139    
140      /* get reference position ... */
141    pos_t *refpos = get_pos(context->appdata);    pos_t *refpos = get_pos(context->appdata);
142    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);
143    
144    /* get reference position and go there */    /* ... and enable "goto" button if it's valid */
145    gtk_widget_set_sensitive(context->gps, ok);    gtk_widget_set_sensitive(context->gps, ok);
146    
147      if(ok) {
148        float heading = NAN;
149        int radius = 0;
150    
151        if(context->appdata->use_gps) {
152          heading = gps_get_heading(context->appdata);
153    
154          /* get error */
155          float eph = gps_get_eph(context->appdata);
156          if(!isnan(eph)) {
157    
158            /* world at zoom 1 == 512 pixels */
159            gint zoom;
160            g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL);
161            float m_per_pix =
162              cos(DEG2RAD(refpos->lat))*2*M_PI*EQ_RADIUS/(1<<(8+zoom));
163    
164            radius = eph/m_per_pix;
165          }
166        }
167    
168        g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL);
169        osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),
170                             refpos->lat, refpos->lon, heading);
171      } else
172        osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget));
173    
174    return TRUE;    return TRUE;
175  }  }
176    
# Line 136  static gboolean on_map_configure(GtkWidg Line 178  static gboolean on_map_configure(GtkWidg
178                                   GdkEventConfigure *event,                                   GdkEventConfigure *event,
179                                   map_context_t *context) {                                   map_context_t *context) {
180    
181    cb_map_gps(NULL, context);    /* set default values if they are invalid */
182      if(!context->appdata->map.zoom ||
183         isnan(context->appdata->map.pos.lat) ||
184         isnan(context->appdata->map.pos.lon)) {
185        printf("no valid map position found\n");
186    
187        pos_t *refpos = get_pos(context->appdata);
188        if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
189          /* use gps position if present */
190          context->appdata->map.pos = *refpos;
191          context->appdata->map.zoom = GPS_DEFAULT_ZOOM;
192        } else {
193          /* use world map otherwise */
194          context->appdata->map.pos.lat = 0.0;
195          context->appdata->map.pos.lon = 0.0;
196          context->appdata->map.zoom = 1;
197        }
198      }
199    
200      /* jump to initial position */
201      osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
202                                context->appdata->map.pos.lat,
203                                context->appdata->map.pos.lon,
204                                context->appdata->map.zoom);
205    
206    return FALSE;    return FALSE;
207  }  }
208    
209  void map(appdata_t *appdata) {  static void map_draw_cachelist(GtkWidget *map, cache_t *cache) {
210    map_context_t context;    while(cache) {
211    context.appdata = appdata;      GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type);
212    
213        osm_gps_map_add_image(OSM_GPS_MAP(map),
214                              cache->pos.lat, cache->pos.lon, icon);
215    
216    GtkWidget *dialog = gtk_dialog_new_with_buttons(_("Map"),      cache = cache->next;
217                            GTK_WINDOW(appdata->window),    }
218                            GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,  }
219                            GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,  
220                            NULL);  /* draw a nice popup */
221    typedef struct {
222      appdata_t *appdata;
223      GtkWidget *window;
224      GMainLoop *loop;
225    } popup_context_t;
226    
227    /* draw shape */
228    #define ARROW_BORDER   20
229    #define CORNER_RADIUS  10
230    
231  #ifndef USE_MAEMO  #ifndef USE_MAEMO
232    gtk_window_set_default_size(GTK_WINDOW(dialog), 400, 350);  #define POPUP_WIDTH  300
233    #define POPUP_HEIGHT 100
234  #else  #else
235    gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480);  #define POPUP_WIDTH  350
236    #define POPUP_HEIGHT 120
237    #endif
238    
239    static gboolean
240    pointer_in_window(GtkWidget *widget, gint x_root, gint y_root) {
241      if(GTK_WIDGET_MAPPED(gtk_widget_get_toplevel(widget))) {
242        gint window_x, window_y;
243    
244        gdk_window_get_position(gtk_widget_get_toplevel(widget)->window,
245                                &window_x, &window_y);
246    
247        if(x_root >= window_x && x_root < window_x + widget->allocation.width &&
248            y_root >= window_y && y_root < window_y + widget->allocation.height)
249          return TRUE;
250      }
251    
252      return FALSE;
253    }
254    
255    static gboolean
256    on_button_press_event(GtkWidget *widget,
257                              GdkEventButton *event, popup_context_t *context) {
258      gboolean in = pointer_in_window(widget, event->x_root, event->y_root);
259    
260      printf("overlay button press (in = %d)\n", in);
261      return !in;
262    }
263    
264    static gboolean
265    on_button_release_event(GtkWidget *widget,
266                              GdkEventButton *event, popup_context_t *context) {
267      gboolean in = pointer_in_window(widget, event->x_root, event->y_root);
268    
269      printf("overlay button release (in = %d)\n", in);
270    
271      if(!in) {
272        printf("destroying popup\n");
273        gtk_widget_destroy(gtk_widget_get_toplevel(widget));
274      }
275    
276      return !in;
277    }
278    
279    static void
280    shutdown_loop(popup_context_t *context) {
281      if(g_main_loop_is_running(context->loop))
282        g_main_loop_quit(context->loop);
283    }
284    
285    static gint
286    run_delete_handler(GtkWindow *window, GdkEventAny *event,
287                       popup_context_t *context) {
288      shutdown_loop(context);
289      return TRUE; /* Do not destroy */
290    }
291    
292    static void
293    run_destroy_handler(GtkWindow *window, popup_context_t *context) {
294      /* shutdown_loop will be called by run_unmap_handler */
295      printf("popup destroyed\n");
296    }
297    
298    static void
299    run_unmap_handler(GtkWindow *window, popup_context_t *context) {
300      shutdown_loop(context);
301    }
302    
303    static void popup_window_shape(GtkWidget *window, int tip_x, int tip_y) {
304      GdkBitmap *mask = gdk_pixmap_new(NULL, POPUP_WIDTH, POPUP_HEIGHT, 1);
305    
306      GdkGC *gc = gdk_gc_new(mask);
307      GdkColormap *colormap;
308      GdkColor black;
309      GdkColor white;
310    
311      /* get black/white color values */
312      colormap = gdk_colormap_get_system();
313      gdk_color_black(colormap, &black);
314      gdk_color_white(colormap, &white);
315    
316      /* erase */
317      gdk_gc_set_foreground(gc, &black);
318      gdk_gc_set_background(gc, &white);
319    
320      /* erase background */
321      gdk_draw_rectangle(mask, gc, TRUE, 0, 0, POPUP_WIDTH, POPUP_HEIGHT);
322    
323      gdk_gc_set_foreground(gc, &white);
324      gdk_gc_set_background(gc, &black);
325    
326      /* the tip is always above or below the "bubble" but never at its side */
327      guint tip_offset = (tip_y == 0)?ARROW_BORDER:0;
328    
329      gdk_draw_rectangle(mask, gc, TRUE,
330                         0, tip_offset + CORNER_RADIUS,
331                         POPUP_WIDTH,
332                         POPUP_HEIGHT - 2*CORNER_RADIUS - ARROW_BORDER);
333    
334      gdk_draw_rectangle(mask, gc, TRUE,
335                         CORNER_RADIUS, tip_offset,
336                         POPUP_WIDTH  - 2*CORNER_RADIUS,
337                         POPUP_HEIGHT - ARROW_BORDER);
338    
339      int off[][2] = {
340              { CORNER_RADIUS,               tip_offset + CORNER_RADIUS },
341              { POPUP_WIDTH - CORNER_RADIUS, tip_offset + CORNER_RADIUS },
342              { POPUP_WIDTH - CORNER_RADIUS,
343                POPUP_HEIGHT - CORNER_RADIUS - ARROW_BORDER + tip_offset},
344              { CORNER_RADIUS,
345                POPUP_HEIGHT - CORNER_RADIUS  - ARROW_BORDER + tip_offset}};
346    
347      int i;
348      for(i=0;i<4;i++) {
349        gdk_draw_arc(mask, gc, TRUE,
350                     off[i][0]-CORNER_RADIUS, off[i][1]-CORNER_RADIUS,
351                     2*CORNER_RADIUS,         2*CORNER_RADIUS,
352                     0, 360*64);
353      }
354    
355      GdkPoint points[3] = { {POPUP_WIDTH*1/3, POPUP_HEIGHT/2},
356                             {POPUP_WIDTH*2/3, POPUP_HEIGHT/2},
357                             {tip_x,tip_y} };
358      gdk_draw_polygon(mask, gc, TRUE, points, 3);
359    
360    
361      gdk_window_shape_combine_mask(window->window, mask, 0, 0);
362    }
363    
364    /* create a left aligned label (normal ones are centered) */
365    static GtkWidget *gtk_label_left_new(char *str) {
366      GtkWidget *label = gtk_label_new(str);
367      gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f);
368      return label;
369    }
370    
371    /* the small labels are actually only on maemo small */
372    #ifdef USE_MAEMO
373    #define MARKUP_SMALL "<span size='small'>%s</span>"
374    GtkWidget *gtk_label_small_left_new(char *str) {
375      GtkWidget *label = gtk_label_new("");
376      char *markup = g_markup_printf_escaped(MARKUP_SMALL, str);
377      gtk_label_set_markup(GTK_LABEL(label), markup);
378      g_free(markup);
379      gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f);
380      return label;
381    }
382    #define gtk_label_big_left_new(a) gtk_label_left_new(a)
383    #else
384    #define gtk_label_small_left_new(a) gtk_label_left_new(a)
385    #define MARKUP_BIG "<span size='x-large'>%s</span>"
386    GtkWidget *gtk_label_big_left_new(char *str) {
387      GtkWidget *label = gtk_label_new("");
388      char *markup = g_markup_printf_escaped(MARKUP_BIG, str);
389      gtk_label_set_markup(GTK_LABEL(label), markup);
390      g_free(markup);
391      gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f);
392      return label;
393    }
394    #endif
395    
396    void cache_popup(map_context_t *mcontext, cache_t *cache) {
397      popup_context_t pcontext;
398      pcontext.appdata = mcontext->appdata;
399    
400      pcontext.window = gtk_window_new(GTK_WINDOW_POPUP);
401      gtk_widget_realize(pcontext.window);
402      gtk_window_set_default_size(GTK_WINDOW(pcontext.window),
403                                  POPUP_WIDTH, POPUP_HEIGHT);
404      gtk_window_resize(GTK_WINDOW(pcontext.window), POPUP_WIDTH, POPUP_HEIGHT);
405      //  gtk_window_set_resizable(GTK_WINDOW(pcontext.window), FALSE);
406      gtk_window_set_transient_for(GTK_WINDOW(pcontext.window),
407                                   GTK_WINDOW(mcontext->appdata->window));
408      gtk_window_set_keep_above(GTK_WINDOW(pcontext.window), TRUE);
409      gtk_window_set_destroy_with_parent(GTK_WINDOW(pcontext.window), TRUE);
410      gtk_window_set_gravity(GTK_WINDOW(pcontext.window), GDK_GRAVITY_STATIC);
411      gtk_window_set_modal(GTK_WINDOW(pcontext.window), TRUE);
412    
413      /* connect events */
414      g_signal_connect(G_OBJECT(pcontext.window), "button-press-event",
415                       G_CALLBACK(on_button_press_event), &pcontext);
416      g_signal_connect(G_OBJECT(pcontext.window), "button-release-event",
417                       G_CALLBACK(on_button_release_event), &pcontext);
418      g_signal_connect(G_OBJECT(pcontext.window), "delete-event",
419                       G_CALLBACK(run_delete_handler), &pcontext);
420      g_signal_connect(G_OBJECT(pcontext.window), "destroy",
421                       G_CALLBACK(run_destroy_handler), &pcontext);
422      g_signal_connect(G_OBJECT(pcontext.window), "unmap",
423                       G_CALLBACK(run_unmap_handler), &pcontext);
424    
425      gdk_pointer_grab(pcontext.window->window, TRUE,
426         GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK,
427                       NULL, NULL, GDK_CURRENT_TIME);
428      gtk_grab_add(pcontext.window);
429    
430      /* check whether cache is in upper or lower half of window */
431      gint x, y, sx, sy;
432      osm_gps_map_geographic_to_screen(OSM_GPS_MAP(mcontext->widget),
433                                       cache->pos.lat, cache->pos.lon,
434                                       &sx, &sy);
435    
436      gdk_window_get_origin(mcontext->widget->window, &x, &y);
437    
438      gint ax = 0, ay = 0;
439      if(sx > mcontext->widget->allocation.width/2)
440        ax = POPUP_WIDTH;
441    
442      if(sy > mcontext->widget->allocation.height/2)
443        ay = POPUP_HEIGHT;
444    
445    #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5)
446      GdkColor color;
447      gdk_color_parse("darkgray", &color);
448      gtk_widget_modify_bg(GTK_WIDGET(pcontext.window), GTK_STATE_NORMAL, &color);
449    #endif
450    
451      gtk_window_move(GTK_WINDOW(pcontext.window),
452                      x + mcontext->widget->allocation.x + sx - ax,
453                      y + mcontext->widget->allocation.y + sy - ay);
454    
455    
456      GtkWidget *alignment = gtk_alignment_new(0.5, 0.5, 1.0, 1.0);
457      gtk_alignment_set_padding(GTK_ALIGNMENT(alignment),
458                                CORNER_RADIUS/2 + (ay?0:ARROW_BORDER),
459                                CORNER_RADIUS/2 + (ay?ARROW_BORDER:0),
460                                CORNER_RADIUS, CORNER_RADIUS);
461    
462      /* --- actual content ---- */
463      GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
464    
465      if(cache->id) {
466        GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);
467    
468        gtk_box_pack_start(GTK_BOX(ihbox),
469           icon_get_widget(ICON_CACHE_TYPE, cache->type),
470           FALSE, FALSE, 5);
471    
472        gtk_box_pack_start_defaults(GTK_BOX(ihbox),
473                    gtk_label_big_left_new(cache->id));
474    
475        gtk_box_pack_start_defaults(GTK_BOX(vbox), ihbox);
476      }
477    
478      if(cache->name) {
479        GtkWidget *label = gtk_label_small_left_new(cache->name);
480        gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END);
481        gtk_box_pack_start_defaults(GTK_BOX(vbox), label);
482      }
483    
484      GtkWidget *hbox = gtk_hbox_new(FALSE, 0);
485      if(cache->terrain) {
486        GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);
487        gtk_box_pack_start(GTK_BOX(ihbox),
488           gtk_label_small_left_new(_("Terrain:")), FALSE, FALSE, 0);
489        gtk_box_pack_start(GTK_BOX(ihbox),
490           icon_get_widget(ICON_STARS, (int)(cache->terrain*2-2)),
491           FALSE, FALSE, 5);
492        gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox);
493      }
494    
495      if(cache->difficulty) {
496        GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);
497        gtk_box_pack_start(GTK_BOX(ihbox),
498           gtk_label_small_left_new(_("Difficulty:")), FALSE, FALSE, 0);
499        gtk_box_pack_start(GTK_BOX(ihbox),
500           icon_get_widget(ICON_STARS, (int)(cache->difficulty*2-2)),
501           FALSE, FALSE, 5);
502        gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox);
503      }
504    
505      gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
506    
507      gtk_container_add(GTK_CONTAINER(alignment), vbox);
508      /* ----------------------- */
509    
510    
511      gtk_container_add(GTK_CONTAINER(pcontext.window), alignment);
512    
513      /* give window its shape */
514      popup_window_shape(pcontext.window, ax, ay);
515    
516      gtk_widget_show_all(pcontext.window);
517    
518      /* handle this popup until it's gone */
519    
520      pcontext.loop = g_main_loop_new(NULL, FALSE);
521    
522      GDK_THREADS_LEAVE();
523      g_main_loop_run(pcontext.loop);
524      GDK_THREADS_ENTER();
525    
526      g_main_loop_unref(pcontext.loop);
527    
528      printf("cache popup removed\n");
529    }
530    
531    static void
532    map_cachelist_nearest(cache_t *cache, pos_t *pos,
533                          cache_t **result, float *distance) {
534      while(cache) {
535        float dist =
536          pow(cache->pos.lat - pos->lat, 2) +
537          pow(cache->pos.lon - pos->lon, 2);
538    
539        if(!(dist > *distance)) {
540          *result = cache;
541          *distance = dist;
542        }
543    
544        cache = cache->next;
545      }
546    }
547    
548    static cache_t *map_closest(map_context_t *context, pos_t *pos) {
549      cache_t *result = NULL;
550      float distance = NAN;
551    
552    #ifdef USE_MAEMO
553      if(!context->appdata->cur_gpx) {
554    #endif
555        /* search all geocaches */
556        gpx_t *gpx = context->appdata->gpx;
557        while(gpx) {
558          map_cachelist_nearest(gpx->cache, pos, &result, &distance);
559          gpx = gpx->next;
560        }
561    #ifdef USE_MAEMO
562      } else {
563        map_cachelist_nearest(context->appdata->cur_gpx->cache,
564                              pos, &result, &distance);
565      }
566  #endif  #endif
567    
568      return result;
569    }
570    
571    /* translate between osm-gps-map positions and gpxview ones */
572    pos_t coord2pos(coord_t coo) {
573      pos_t pos;
574      pos.lat = RAD2DEG(coo.rlat);
575      pos.lon = RAD2DEG(coo.rlon);
576      return pos;
577    }
578    
579    static int dist2pixel(map_context_t *context, float km, float lat) {
580      gint zoom;
581      g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL);
582    
583      /* world at zoom 1 == 512 pixels */
584      float m_per_pix =
585        cos(DEG2RAD(lat))*2*M_PI*EQ_RADIUS/(1<<(8+zoom));
586    
587      return 1000.0*km/m_per_pix;
588    }
589    
590    #define CLICK_FUZZ (24)
591    
592    static gboolean
593    on_map_button_press_event(GtkWidget *widget,
594                                GdkEventButton *event, map_context_t *context) {
595      OsmGpsMap *map = OSM_GPS_MAP(context->widget);
596    
597      /* got a press event without release event? eat it! */
598      if(context->press_on != NULL) {
599        printf("PRESS: already\n");
600        return TRUE;
601      }
602    
603      pos_t pos =
604        coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
605    
606      cache_t *nearest = map_closest(context, &pos);
607      if(nearest) {
608        float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);
609        if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ)
610          context->press_on = nearest;
611      }
612    
613      return FALSE;
614    }
615    
616    static gboolean
617    on_map_button_release_event(GtkWidget *widget,
618                                GdkEventButton *event, map_context_t *context) {
619      OsmGpsMap *map = OSM_GPS_MAP(context->widget);
620    
621      if(context->press_on) {
622        pos_t pos =
623          coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
624    
625        cache_t *nearest = map_closest(context, &pos);
626        if(nearest && nearest == context->press_on) {
627          float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);
628          if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ)
629            cache_popup(context, nearest);
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;
641    }
642    
643    static void save_map_state(map_context_t *context) {
644      /* save map parameters */
645      OsmGpsMap *map = OSM_GPS_MAP(context->widget);
646      gint zoom;
647      g_object_get(map, "zoom", &zoom, NULL);
648      context->appdata->map.zoom = zoom;
649    
650      gfloat lat, lon;
651      g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);
652      context->appdata->map.pos.lat = lat;
653      context->appdata->map.pos.lon = lon;
654    }
655    
656    #if MAEMO_VERSION_MAJOR == 5
657    static void on_window_destroy(GtkWidget *widget, map_context_t *context) {
658      printf("destroy map view\n");
659    
660      save_map_state(context);
661    
662      /* restore cur_view */
663      context->appdata->cur_view = context->old_view;
664    
665      gtk_timeout_remove(context->handler_id);
666      g_free(context);
667    }
668    #endif
669    
670    void map(appdata_t *appdata) {
671      map_context_t *context = g_new0(map_context_t, 1);
672      context->appdata = appdata;
673    
674    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);
675    
676    char *path = g_strdup_printf("%s/map/", appdata->image_path);    char *path = g_strdup_printf("%s/map/", appdata->image_path);
677    const char *proxy = get_proxy_uri(appdata);    const char *proxy = get_proxy_uri(appdata);
678    
679    context.widget = g_object_new(OSM_TYPE_GPS_MAP,    context->widget = g_object_new(OSM_TYPE_GPS_MAP,
680                  "repo-uri", MAP_SOURCE_OPENSTREETMAP,                   "repo-uri",             MAP_SOURCE_OPENSTREETMAP,
681                  "tile-cache", path,                   "tile-cache",           path,
682                  proxy?"proxy-uri":NULL, proxy,                   "auto-center",          FALSE,
683                     "record-trip-history",  FALSE,
684                     "show-trip-history",    FALSE,
685                   NULL);                   NULL);
686    
687      if(proxy)
688        g_object_set(OSM_GPS_MAP(context->widget), "proxy-uri", proxy, NULL);
689    
690    g_free(path);    g_free(path);
691    
692    g_signal_connect(G_OBJECT(context.widget), "configure-event",    char *name = NULL;
693                     G_CALLBACK(on_map_configure), &context);  #ifdef USE_MAEMO
694  #if 0    if(!appdata->cur_gpx) {
695    g_signal_connect(G_OBJECT(context.widget), "button-release-event",  #endif
696                     G_CALLBACK(on_map_button_release_event), &context);      /* draw all geocaches */
697        gpx_t *gpx = appdata->gpx;
698        while(gpx) {
699          map_draw_cachelist(context->widget, gpx->cache);
700          gpx = gpx->next;
701        }
702        name = g_strdup(_("all geocaches"));
703    #ifdef USE_MAEMO
704      } else {
705        map_draw_cachelist(context->widget, appdata->cur_gpx->cache);
706        name = g_strdup(appdata->cur_gpx->name);
707      }
708    #endif
709    
710      char *title = g_strdup_printf(_("Map - %s"), name);
711      g_free(name);
712    
713    #if MAEMO_VERSION_MAJOR == 5
714      GtkWidget *window = hildon_stackable_window_new();
715      gtk_window_set_title(GTK_WINDOW(window), title);
716    #else
717      GtkWidget *dialog = gtk_dialog_new_with_buttons(title,
718                              GTK_WINDOW(appdata->window),
719                              GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
720                              GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
721                              NULL);
722    
723    #ifndef USE_MAEMO
724      gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 480);
725    #else
726      gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480);
727    #endif
728  #endif  #endif
729    
730    gtk_box_pack_start_defaults(GTK_BOX(hbox), context.widget);    g_free(title);
731    
732      g_signal_connect(G_OBJECT(context->widget), "configure-event",
733                       G_CALLBACK(on_map_configure), context);
734    
735      g_signal_connect(G_OBJECT(context->widget), "button-press-event",
736                       G_CALLBACK(on_map_button_press_event), context);
737    
738      g_signal_connect(G_OBJECT(context->widget), "button-release-event",
739                       G_CALLBACK(on_map_button_release_event), context);
740    
741      gtk_box_pack_start_defaults(GTK_BOX(hbox), context->widget);
742    /* zoom button box */    /* zoom button box */
743    GtkWidget *vbox = gtk_vbox_new(FALSE,0);    GtkWidget *vbox = gtk_vbox_new(FALSE,0);
744    
745    context.zoomin =    context->zoomin =
746      map_add_button(GTK_STOCK_ZOOM_IN, G_CALLBACK(cb_map_zoomin),      map_add_button(10, G_CALLBACK(cb_map_zoomin),
747                     &context, _("Zoom in"));                     context, _("Zoom in"));
748    gtk_box_pack_start(GTK_BOX(vbox), context.zoomin, FALSE, FALSE, 0);    gtk_box_pack_start(GTK_BOX(vbox), context->zoomin, FALSE, FALSE, 0);
749    
750    context.zoomout =    context->zoomout =
751      map_add_button(GTK_STOCK_ZOOM_OUT, G_CALLBACK(cb_map_zoomout),      map_add_button(11, G_CALLBACK(cb_map_zoomout),
752                     &context, _("Zoom out"));                     context, _("Zoom out"));
753    gtk_box_pack_start(GTK_BOX(vbox), context.zoomout, FALSE, FALSE, 0);    gtk_box_pack_start(GTK_BOX(vbox), context->zoomout, FALSE, FALSE, 0);
754    
755    context.gps =    context->gps =
756      map_add_button(GTK_STOCK_HOME, G_CALLBACK(cb_map_gps),      map_add_button(9, G_CALLBACK(cb_map_gps),
757                     &context, _("Jump to GPS position"));                     context, _("Jump to GPS position"));
758    gtk_widget_set_sensitive(context.gps, FALSE);    gtk_widget_set_sensitive(context->gps, FALSE);
759    /* install handler for timed updates of the gps button */    /* install handler for timed updates of the gps button */
760    context.handler_id = gtk_timeout_add(1000, map_gps_update, &context);    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
761    gtk_box_pack_start(GTK_BOX(vbox), context.gps, FALSE, FALSE, 0);    gtk_box_pack_start(GTK_BOX(vbox), context->gps, FALSE, FALSE, 0);
762    
763    gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);    gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
764    
765    #if MAEMO_VERSION_MAJOR == 5
766      /* prevent some of the main screen things */
767      context->old_view = appdata->cur_view;
768      appdata->cur_view = NULL;
769    
770      g_signal_connect(G_OBJECT(window), "destroy",
771                       G_CALLBACK(on_window_destroy), context);
772    
773      gtk_container_add(GTK_CONTAINER(window), hbox);
774      gtk_widget_show_all(GTK_WIDGET(window));
775    
776    #else
777    gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox);    gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox);
   
778    gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);    gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);
   
779    gtk_widget_show_all(dialog);    gtk_widget_show_all(dialog);
   
780    gtk_dialog_run(GTK_DIALOG(dialog));    gtk_dialog_run(GTK_DIALOG(dialog));
781      save_map_state(context);
782    gtk_timeout_remove(context.handler_id);    gtk_timeout_remove(context->handler_id);
   
783    gtk_widget_destroy(dialog);    gtk_widget_destroy(dialog);
784      g_free(context);
785    #endif
786  }  }
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