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

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revision 33 by harbaum, Tue Jul 28 13:21:40 2009 UTC revision 55 by harbaum, Thu Aug 13 12:01:52 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 18  Line 18 
18   */   */
19    
20  #include "gpxview.h"  #include "gpxview.h"
21    #include <math.h>    // for isnan
22    
23  #ifdef ENABLE_OSM_GPS_MAP  #ifdef ENABLE_OSM_GPS_MAP
24  #include "osm-gps-map.h"  #include "osm-gps-map.h"
25  #endif  #endif
26    
27    #define MAP_SOURCE  OSM_GPS_MAP_SOURCE_OPENSTREETMAP
28    #define GPS_DEFAULT_ZOOM 13
29    
30    /* equatorial radius in meters */
31    #define EQ_RADIUS     (6378137.0)
32    
33    #define RAD2DEG(a)  (((a)*180.0)/M_PI)
34    #define DEG2RAD(a)  (((a)*M_PI)/180.0)
35    
36  typedef struct {  typedef struct {
37      appdata_t *appdata;
38    GtkWidget *widget;    GtkWidget *widget;
39    GtkWidget *zoomin, *zoomout, *gps;    GtkWidget *zoomin, *zoomout, *gps;
40    gint handler_id;    gint handler_id;
41      cache_t *press_on;
42    #if MAEMO_VERSION_MAJOR == 5
43      GtkWidget *old_view;
44    #endif
45  } map_context_t;  } map_context_t;
46    
47  static const char *get_proxy_uri(void) {  #define PROXY_KEY  "/system/http_proxy/"
48    static char proxy_buffer[64];  
49    static const char *get_proxy_uri(appdata_t *appdata) {
50      static char proxy_buffer[64] = "";
51    
52    /* use environment settings if preset */    /* use environment settings if preset */
53    const char *proxy = g_getenv("http_proxy");    const char *proxy = g_getenv("http_proxy");
# Line 39  static const char *get_proxy_uri(void) { Line 56  static const char *get_proxy_uri(void) {
56      return proxy;      return proxy;
57    }    }
58    
59  #if 0    /* ------------- get proxy settings -------------------- */
60    /* otherwise try settings */    if(gconf_client_get_bool(appdata->gconf_client,
61    if(!settings || !settings->proxy ||                             PROXY_KEY "use_http_proxy", NULL)) {
62       !settings->proxy->host) return NULL;  
63        /* we can savely ignore things like "ignore_hosts" since we */
64    snprintf(proxy_buffer, sizeof(proxy_buffer), "%s%s:%u",      /* are pretty sure not inside the net of one of our map renderers */
65             strncmp(settings->proxy->host, "http://", 7)?"http://":"",      /* (unless the user works at google :-) */
66             settings->proxy->host, settings->proxy->port);  
67        /* get basic settings */
68    proxy_buffer[sizeof(proxy_buffer)-1] = 0;      char *host =
69    printf("gconf_proxy: %s\n", proxy_buffer);        gconf_client_get_string(appdata->gconf_client, PROXY_KEY "host", NULL);
70  #endif      if(host) {
71          int port =
72            gconf_client_get_int(appdata->gconf_client, PROXY_KEY "port", NULL);
73    
74          snprintf(proxy_buffer, sizeof(proxy_buffer),
75                   "http://%s:%u", host, port);
76    
77          g_free(host);
78        }
79        return proxy_buffer;
80      }
81    
82    return proxy_buffer;    return NULL;
83  }  }
84    
85  static void map_zoom(map_context_t *context, int step) {  static void map_zoom(map_context_t *context, int step) {
86    int zoom;    gint zoom;
87    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
88    g_object_get(map, "zoom", &zoom, NULL);    g_object_get(map, "zoom", &zoom, NULL);
89    zoom = osm_gps_map_set_zoom(map, zoom+step);    zoom = osm_gps_map_set_zoom(map, zoom+step);
90    
91    /* enable/disable zoom buttons as required */    /* enable/disable zoom buttons as required */
92    gtk_widget_set_sensitive(context->zoomin, zoom<17);    gtk_widget_set_sensitive(context->zoomin,
93    gtk_widget_set_sensitive(context->zoomout, zoom>1);             zoom < osm_gps_map_source_get_max_zoom(MAP_SOURCE));
94      gtk_widget_set_sensitive(context->zoomout,
95               zoom > osm_gps_map_source_get_min_zoom(MAP_SOURCE));
96    
97      /* save new zoom */
98      context->appdata->map.zoom = zoom;
99  }  }
100    
101  static gboolean  static gboolean
# Line 80  cb_map_zoomout(GtkButton *button, map_co Line 112  cb_map_zoomout(GtkButton *button, map_co
112    
113  static gboolean  static gboolean
114  cb_map_gps(GtkButton *button, map_context_t *context) {  cb_map_gps(GtkButton *button, map_context_t *context) {
115      pos_t *refpos = get_pos(context->appdata);
116    //  osm_gps_map_set_center(OSM_GPS_MAP(context->widget),    if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
117    //                     DEG2RAD(pos.lat), DEG2RAD(pos.lon));      osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
118                          refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM);
119      } else {
120        /* no coordinates given: display the entire world */
121        osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
122                                  0.0, 0.0, 1);
123      }
124    
125    return FALSE;    return FALSE;
126  }  }
127    
128  static GtkWidget  static GtkWidget
129  *map_add_button(const gchar *icon, GCallback cb, gpointer data,  *map_add_button(int icon, GCallback cb, gpointer data,
130                  char *tooltip) {                  char *tooltip) {
131    GtkWidget *button = gtk_button_new();    GtkWidget *button = gtk_button_new();
132    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));  
133    g_signal_connect(button, "clicked", cb, data);    g_signal_connect(button, "clicked", cb, data);
134  #ifndef USE_MAEMO  #ifndef USE_MAEMO
135    gtk_widget_set_tooltip_text(button, tooltip);    gtk_widget_set_tooltip_text(button, tooltip);
# Line 100  static GtkWidget Line 137  static GtkWidget
137    return button;    return button;
138  }  }
139    
140    static int dist2pixel(map_context_t *context, float km, float lat) {
141      return 1000.0*km/osm_gps_map_get_scale(OSM_GPS_MAP(context->widget));
142    }
143    
144  static gboolean map_gps_update(gpointer data) {  static gboolean map_gps_update(gpointer data) {
145    map_context_t *context = (map_context_t*)data;    map_context_t *context = (map_context_t*)data;
146    
147    //  gtk_widget_set_sensitive(context->map.gps, gps_fix);    /* get reference position ... */
148      pos_t *refpos = get_pos(context->appdata);
149      gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);
150    
151      /* ... and enable "goto" button if it's valid */
152      gtk_widget_set_sensitive(context->gps, ok);
153    
154      if(ok) {
155        float heading = NAN;
156        int radius = 0;
157    
158        if(context->appdata->use_gps) {
159          heading = gps_get_heading(context->appdata);
160    
161          /* get error */
162          float eph = gps_get_eph(context->appdata);
163          if(!isnan(eph))
164            radius = dist2pixel(context, eph/1000, refpos->lat);
165        }
166    
167        g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL);
168        osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),
169                             refpos->lat, refpos->lon, heading);
170      } else
171        osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget));
172    
173    return TRUE;    return TRUE;
174  }  }
175    
176    static gboolean on_map_configure(GtkWidget *widget,
177                                     GdkEventConfigure *event,
178                                     map_context_t *context) {
179    
180      /* set default values if they are invalid */
181      if(!context->appdata->map.zoom ||
182         isnan(context->appdata->map.pos.lat) ||
183         isnan(context->appdata->map.pos.lon)) {
184        printf("no valid map position found\n");
185    
186        pos_t *refpos = get_pos(context->appdata);
187        if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
188          /* use gps position if present */
189          context->appdata->map.pos = *refpos;
190          context->appdata->map.zoom = GPS_DEFAULT_ZOOM;
191        } else {
192          /* use world map otherwise */
193          context->appdata->map.pos.lat = 0.0;
194          context->appdata->map.pos.lon = 0.0;
195          context->appdata->map.zoom = 1;
196        }
197      }
198    
199  void map(appdata_t *appdata) {    /* jump to initial position */
200    map_context_t context;    osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
201                                context->appdata->map.pos.lat,
202                                context->appdata->map.pos.lon,
203                                context->appdata->map.zoom);
204    
205      return FALSE;
206    }
207    
208    GtkWidget *dialog = gtk_dialog_new_with_buttons(_("Map"),  static void map_draw_cachelist(GtkWidget *map, cache_t *cache) {
209                            GTK_WINDOW(appdata->window),    while(cache) {
210                            GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,      GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type);
211                            GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,  
212                            NULL);      osm_gps_map_add_image(OSM_GPS_MAP(map),
213                              cache->pos.lat, cache->pos.lon, icon);
214    
215        cache = cache->next;
216      }
217    }
218    
219    /* draw a nice popup */
220    typedef struct {
221      appdata_t *appdata;
222      GtkWidget *window;
223      GMainLoop *loop;
224      cache_t *cache;
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  360
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    static gboolean
397    on_cache_button_clicked(GtkButton *button, popup_context_t *context) {
398      printf("clicked %s\n", context->cache->name);
399      return FALSE;
400    }
401    
402    void cache_popup(map_context_t *mcontext, cache_t *cache) {
403      popup_context_t pcontext;
404      pcontext.appdata = mcontext->appdata;
405      pcontext.cache = cache;
406    
407      pcontext.window = gtk_window_new(GTK_WINDOW_POPUP);
408      gtk_widget_realize(pcontext.window);
409      gtk_window_set_default_size(GTK_WINDOW(pcontext.window),
410                                  POPUP_WIDTH, POPUP_HEIGHT);
411      gtk_window_resize(GTK_WINDOW(pcontext.window), POPUP_WIDTH, POPUP_HEIGHT);
412      //  gtk_window_set_resizable(GTK_WINDOW(pcontext.window), FALSE);
413      gtk_window_set_transient_for(GTK_WINDOW(pcontext.window),
414                                   GTK_WINDOW(mcontext->appdata->window));
415      gtk_window_set_keep_above(GTK_WINDOW(pcontext.window), TRUE);
416      gtk_window_set_destroy_with_parent(GTK_WINDOW(pcontext.window), TRUE);
417      gtk_window_set_gravity(GTK_WINDOW(pcontext.window), GDK_GRAVITY_STATIC);
418      gtk_window_set_modal(GTK_WINDOW(pcontext.window), TRUE);
419    
420      /* connect events */
421      g_signal_connect(G_OBJECT(pcontext.window), "button-press-event",
422                       G_CALLBACK(on_button_press_event), &pcontext);
423      g_signal_connect(G_OBJECT(pcontext.window), "button-release-event",
424                       G_CALLBACK(on_button_release_event), &pcontext);
425      g_signal_connect(G_OBJECT(pcontext.window), "delete-event",
426                       G_CALLBACK(run_delete_handler), &pcontext);
427      g_signal_connect(G_OBJECT(pcontext.window), "destroy",
428                       G_CALLBACK(run_destroy_handler), &pcontext);
429      g_signal_connect(G_OBJECT(pcontext.window), "unmap",
430                       G_CALLBACK(run_unmap_handler), &pcontext);
431    
432      gdk_pointer_grab(pcontext.window->window, TRUE,
433         GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK,
434                       NULL, NULL, GDK_CURRENT_TIME);
435      gtk_grab_add(pcontext.window);
436    
437      /* check whether cache is in upper or lower half of window */
438      gint x, y, sx, sy;
439      osm_gps_map_geographic_to_screen(OSM_GPS_MAP(mcontext->widget),
440                                       cache->pos.lat, cache->pos.lon,
441                                       &sx, &sy);
442    
443      gdk_window_get_origin(mcontext->widget->window, &x, &y);
444    
445      gint ax = 0, ay = 0;
446      if(sx > mcontext->widget->allocation.width/2)
447        ax = POPUP_WIDTH;
448    
449      if(sy > mcontext->widget->allocation.height/2)
450        ay = POPUP_HEIGHT;
451    
452    #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5)
453      GdkColor color;
454      gdk_color_parse("darkgray", &color);
455      gtk_widget_modify_bg(GTK_WIDGET(pcontext.window), GTK_STATE_NORMAL, &color);
456  #endif  #endif
457    
458      gtk_window_move(GTK_WINDOW(pcontext.window),
459                      x + mcontext->widget->allocation.x + sx - ax,
460                      y + mcontext->widget->allocation.y + sy - ay);
461    
462    
463      GtkWidget *alignment = gtk_alignment_new(0.5, 0.5, 1.0, 1.0);
464      gtk_alignment_set_padding(GTK_ALIGNMENT(alignment),
465                                CORNER_RADIUS/2 + (ay?0:ARROW_BORDER),
466                                CORNER_RADIUS/2 + (ay?ARROW_BORDER:0),
467                                CORNER_RADIUS, CORNER_RADIUS);
468    
469      /* --- actual content ---- */
470      GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
471      GtkWidget *hbox = gtk_hbox_new(FALSE, 0);
472    
473      gtk_box_pack_start(GTK_BOX(hbox),
474                         icon_get_widget(ICON_CACHE_TYPE, cache->type),
475                         FALSE, FALSE, 5);
476    
477      if(cache->id)
478        gtk_box_pack_start_defaults(GTK_BOX(hbox),
479                                    gtk_label_big_left_new(cache->id));
480    
481      GtkWidget *button = gtk_button_new();
482      gtk_button_set_image(GTK_BUTTON(button), icon_get_widget(ICON_MISC, 12));
483      g_signal_connect(button, "clicked",
484                       G_CALLBACK(on_cache_button_clicked), &pcontext);
485      gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
486    
487      gtk_box_pack_start_defaults(GTK_BOX(vbox), hbox);
488    
489      if(cache->name) {
490        GtkWidget *label = gtk_label_small_left_new(cache->name);
491        gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END);
492        gtk_box_pack_start_defaults(GTK_BOX(vbox), label);
493      }
494    
495      hbox = gtk_hbox_new(FALSE, 0);
496      if(cache->terrain) {
497        GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);
498        gtk_box_pack_start(GTK_BOX(ihbox),
499           gtk_label_small_left_new(_("Terrain:")), FALSE, FALSE, 0);
500        gtk_box_pack_start(GTK_BOX(ihbox),
501           icon_get_widget(ICON_STARS, (int)(cache->terrain*2-2)),
502           FALSE, FALSE, 5);
503        gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox);
504      }
505    
506      if(cache->difficulty) {
507        GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);
508        gtk_box_pack_start(GTK_BOX(ihbox),
509           gtk_label_small_left_new(_("Difficulty:")), FALSE, FALSE, 0);
510        gtk_box_pack_start(GTK_BOX(ihbox),
511           icon_get_widget(ICON_STARS, (int)(cache->difficulty*2-2)),
512           FALSE, FALSE, 5);
513        gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox);
514      }
515    
516      gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
517    
518      gtk_container_add(GTK_CONTAINER(alignment), vbox);
519      /* ----------------------- */
520    
521    
522      gtk_container_add(GTK_CONTAINER(pcontext.window), alignment);
523    
524      /* give window its shape */
525      popup_window_shape(pcontext.window, ax, ay);
526    
527      gtk_widget_show_all(pcontext.window);
528    
529      /* handle this popup until it's gone */
530    
531      pcontext.loop = g_main_loop_new(NULL, FALSE);
532    
533      GDK_THREADS_LEAVE();
534      g_main_loop_run(pcontext.loop);
535      GDK_THREADS_ENTER();
536    
537      g_main_loop_unref(pcontext.loop);
538    
539      printf("cache popup removed\n");
540    }
541    
542    static void
543    map_cachelist_nearest(cache_t *cache, pos_t *pos,
544                          cache_t **result, float *distance) {
545      while(cache) {
546        float dist =
547          pow(cache->pos.lat - pos->lat, 2) +
548          pow(cache->pos.lon - pos->lon, 2);
549    
550        if(!(dist > *distance)) {
551          *result = cache;
552          *distance = dist;
553        }
554    
555        cache = cache->next;
556      }
557    }
558    
559    static cache_t *map_closest(map_context_t *context, pos_t *pos) {
560      cache_t *result = NULL;
561      float distance = NAN;
562    
563    #ifdef USE_MAEMO
564      if(!context->appdata->cur_gpx) {
565    #endif
566        /* search all geocaches */
567        gpx_t *gpx = context->appdata->gpx;
568        while(gpx) {
569          map_cachelist_nearest(gpx->cache, pos, &result, &distance);
570          gpx = gpx->next;
571        }
572    #ifdef USE_MAEMO
573      } else {
574        map_cachelist_nearest(context->appdata->cur_gpx->cache,
575                              pos, &result, &distance);
576      }
577    #endif
578    
579      return result;
580    }
581    
582    /* translate between osm-gps-map positions and gpxview ones */
583    pos_t coord2pos(coord_t coo) {
584      pos_t pos;
585      pos.lat = RAD2DEG(coo.rlat);
586      pos.lon = RAD2DEG(coo.rlon);
587      return pos;
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);
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,                   "map-source",               MAP_SOURCE,
681                  "proxy-uri", get_proxy_uri(),                   "tile-cache",               path,
682                  "tile-cache", path,                   "auto-center",              FALSE,
683                     "record-trip-history",      FALSE,
684                     "show-trip-history",        FALSE,
685                     proxy?"proxy-uri":NULL,     proxy,
686                   NULL);                   NULL);
687    
688    g_free(path);    g_free(path);
689    
690  #if 0    char *name = NULL;
691    g_signal_connect(G_OBJECT(context.widget), "button-release-event",  #ifdef USE_MAEMO
692                     G_CALLBACK(on_map_button_release_event), &context);    if(!appdata->cur_gpx) {
693  #endif  #endif
694        /* draw all geocaches */
695        gpx_t *gpx = appdata->gpx;
696        while(gpx) {
697          map_draw_cachelist(context->widget, gpx->cache);
698          gpx = gpx->next;
699        }
700        name = g_strdup(_("all geocaches"));
701    #ifdef USE_MAEMO
702      } else {
703        map_draw_cachelist(context->widget, appdata->cur_gpx->cache);
704        name = g_strdup(appdata->cur_gpx->name);
705      }
706    #endif
707    
708      char *title = g_strdup_printf(_("Map - %s"), name);
709      g_free(name);
710    
711    gtk_box_pack_start_defaults(GTK_BOX(hbox), context.widget);  #if MAEMO_VERSION_MAJOR == 5
712      GtkWidget *window = hildon_stackable_window_new();
713      gtk_window_set_title(GTK_WINDOW(window), title);
714    #else
715      GtkWidget *dialog = gtk_dialog_new_with_buttons(title,
716                              GTK_WINDOW(appdata->window),
717                              GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
718                              GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
719                              NULL);
720    
721    #ifndef USE_MAEMO
722      gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 480);
723    #else
724      gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480);
725    #endif
726    #endif
727    
728      g_free(title);
729    
730      g_signal_connect(G_OBJECT(context->widget), "configure-event",
731                       G_CALLBACK(on_map_configure), context);
732    
733      g_signal_connect(G_OBJECT(context->widget), "button-press-event",
734                       G_CALLBACK(on_map_button_press_event), context);
735    
736      g_signal_connect(G_OBJECT(context->widget), "button-release-event",
737                       G_CALLBACK(on_map_button_release_event), context);
738    
739      gtk_box_pack_start_defaults(GTK_BOX(hbox), context->widget);
740    /* zoom button box */    /* zoom button box */
741    GtkWidget *vbox = gtk_vbox_new(FALSE,0);    GtkWidget *vbox = gtk_vbox_new(FALSE,0);
742    
743    context.zoomin =    context->zoomin =
744      map_add_button(GTK_STOCK_ZOOM_IN, G_CALLBACK(cb_map_zoomin),      map_add_button(10, G_CALLBACK(cb_map_zoomin),
745                     &context, _("Zoom in"));                     context, _("Zoom in"));
746    gtk_box_pack_start(GTK_BOX(vbox), context.zoomin, FALSE, FALSE, 0);    gtk_box_pack_start(GTK_BOX(vbox), context->zoomin, FALSE, FALSE, 0);
747    
748    context.zoomout =    context->zoomout =
749      map_add_button(GTK_STOCK_ZOOM_OUT, G_CALLBACK(cb_map_zoomout),      map_add_button(11, G_CALLBACK(cb_map_zoomout),
750                     &context, _("Zoom out"));                     context, _("Zoom out"));
751    gtk_box_pack_start(GTK_BOX(vbox), context.zoomout, FALSE, FALSE, 0);    gtk_box_pack_start(GTK_BOX(vbox), context->zoomout, FALSE, FALSE, 0);
752    
753    context.gps =    context->gps =
754      map_add_button(GTK_STOCK_HOME, G_CALLBACK(cb_map_gps),      map_add_button(9, G_CALLBACK(cb_map_gps),
755                     &context, _("Jump to GPS position"));                     context, _("Jump to GPS position"));
756    gtk_widget_set_sensitive(context.gps, FALSE);    gtk_widget_set_sensitive(context->gps, FALSE);
757    /* install handler for timed updates of the gps button */    /* install handler for timed updates of the gps button */
758    context.handler_id = gtk_timeout_add(1000, map_gps_update, &context);    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
759    gtk_box_pack_start(GTK_BOX(vbox), context.gps, FALSE, FALSE, 0);    gtk_box_pack_start(GTK_BOX(vbox), context->gps, FALSE, FALSE, 0);
760    
761    gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);    gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
762    
763    #if MAEMO_VERSION_MAJOR == 5
764      /* prevent some of the main screen things */
765      context->old_view = appdata->cur_view;
766      appdata->cur_view = NULL;
767    
768      g_signal_connect(G_OBJECT(window), "destroy",
769                       G_CALLBACK(on_window_destroy), context);
770    
771      gtk_container_add(GTK_CONTAINER(window), hbox);
772      gtk_widget_show_all(GTK_WIDGET(window));
773    
774    #else
775    gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox);    gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox);
   
776    gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);    gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);
   
777    gtk_widget_show_all(dialog);    gtk_widget_show_all(dialog);
   
778    gtk_dialog_run(GTK_DIALOG(dialog));    gtk_dialog_run(GTK_DIALOG(dialog));
779      save_map_state(context);
780      gtk_timeout_remove(context->handler_id);
781    gtk_widget_destroy(dialog);    gtk_widget_destroy(dialog);
782      g_free(context);
783    #endif
784  }  }

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