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

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revision 54 by harbaum, Wed Aug 12 19:20:00 2009 UTC revision 297 by harbaum, Wed Aug 25 12:24:38 2010 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    /*
26     * TODO:
27     * - make semi-transparent caches selectable
28     */
29    
30  #include "gpxview.h"  #include "gpxview.h"
31    #include "converter.h"
32  #include <math.h>    // for isnan  #include <math.h>    // for isnan
33    
34  #ifdef ENABLE_OSM_GPS_MAP  #ifdef ENABLE_OSM_GPS_MAP
35  #include "osm-gps-map.h"  #include "osm-gps-map.h"
36    #include "osm-gps-map-osd-classic.h"
37  #endif  #endif
38    
39  #define GPS_DEFAULT_ZOOM 13  #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5)
40    #include <gdk/gdkx.h>
41  /* equatorial radius in meters */  #include <X11/Xatom.h>
42  #define EQ_RADIUS     (6378137.0)  #endif
   
 #define RAD2DEG(a)  (((a)*180.0)/M_PI)  
 #define DEG2RAD(a)  (((a)*M_PI)/180.0)  
43    
44  typedef struct {  /* any defined key enables key support */
45    appdata_t *appdata;  #if (defined(MAP_KEY_FULLSCREEN) || \
46    GtkWidget *widget;       defined(MAP_KEY_ZOOMIN) || \
47    GtkWidget *zoomin, *zoomout, *gps;       defined(MAP_KEY_ZOOMOUT) || \
48    gint handler_id;       defined(MAP_KEY_UP) || \
49    cache_t *press_on;       defined(MAP_KEY_DOWN) || \
50  #if MAEMO_VERSION_MAJOR == 5       defined(MAP_KEY_LEFT) || \
51    GtkWidget *old_view;       defined(MAP_KEY_RIGHT))
52    #include <gdk/gdkkeysyms.h>
53  #endif  #endif
54  } map_context_t;  
55    /* default values */
56    #define MAP_SOURCE  OSM_GPS_MAP_SOURCE_OPENCYCLEMAP
57    #define GPS_DEFAULT_ZOOM 13
58    
59  #define PROXY_KEY  "/system/http_proxy/"  #define PROXY_KEY  "/system/http_proxy/"
60    
# Line 51  static const char *get_proxy_uri(appdata Line 64  static const char *get_proxy_uri(appdata
64    /* use environment settings if preset */    /* use environment settings if preset */
65    const char *proxy = g_getenv("http_proxy");    const char *proxy = g_getenv("http_proxy");
66    if(proxy) {    if(proxy) {
67      printf("http_proxy: %s\n", proxy);      printf("map http proxy from env: %s\n", proxy);
68      return proxy;      return proxy;
69    }    }
70    
# Line 72  static const char *get_proxy_uri(appdata Line 85  static const char *get_proxy_uri(appdata
85    
86        snprintf(proxy_buffer, sizeof(proxy_buffer),        snprintf(proxy_buffer, sizeof(proxy_buffer),
87                 "http://%s:%u", host, port);                 "http://%s:%u", host, port);
88          printf("map http proxy from gconf: %s\n ", proxy_buffer);
89    
90        g_free(host);        g_free(host);
91      }      }
# Line 81  static const char *get_proxy_uri(appdata Line 95  static const char *get_proxy_uri(appdata
95    return NULL;    return NULL;
96  }  }
97    
 static void map_zoom(map_context_t *context, int step) {  
   gint zoom;  
   OsmGpsMap *map = OSM_GPS_MAP(context->widget);  
   g_object_get(map, "zoom", &zoom, NULL);  
   zoom = osm_gps_map_set_zoom(map, zoom+step);  
98    
99    /* enable/disable zoom buttons as required */  pos_t *map_gps_get_pos(map_context_t *context) {
100    gtk_widget_set_sensitive(context->zoomin, zoom<17);    static pos_t pos;
   gtk_widget_set_sensitive(context->zoomout, zoom>1);  
101    
102    /* save new zoom */    if(context->gps.set & FIX_LATLON_SET) {
103    context->appdata->map.zoom = zoom;      pos.lat = context->gps.fix.latitude;
104        pos.lon = context->gps.fix.longitude;
105        return &pos;
106      }
107    
108      return NULL;
109  }  }
110    
111  static gboolean  pos_t *map_get_pos(map_context_t *context) {
112  cb_map_zoomin(GtkButton *button, map_context_t *context) {    pos_t *pos = &context->appdata->home;
113    map_zoom(context, +1);  
114    return FALSE;    if(context->appdata->active_location) {
115        int i = context->appdata->active_location-1;
116        location_t *loc = context->appdata->location;
117        while(i--) loc = loc->next;
118        pos = &loc->pos;
119      }
120    
121      if(context->appdata->use_gps)
122        pos = map_gps_get_pos(context);
123    
124      return pos;
125  }  }
126    
127  static gboolean  float map_gps_get_heading(map_context_t *context) {
128  cb_map_zoomout(GtkButton *button, map_context_t *context) {    if(context->gps.set & FIX_TRACK_SET)
129    map_zoom(context, -1);      return context->gps.fix.track;
130    return FALSE;  
131      return NAN;
132  }  }
133    
134  static gboolean  float map_gps_get_eph(map_context_t *context) {
135  cb_map_gps(GtkButton *button, map_context_t *context) {    if(context->gps.set & FIX_HERR_SET)
136    pos_t *refpos = get_pos(context->appdata);      return context->gps.fix.eph;
   if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {  
     osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),  
                       refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM);  
   } else {  
     /* no coordinates given: display the entire world */  
     osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),  
                               0.0, 0.0, 1);  
   }  
137    
138    return FALSE;    return NAN;
139  }  }
140    
141  static GtkWidget  /* callback called by the gps layer whenever gps state changes */
142  *map_add_button(int icon, GCallback cb, gpointer data,  static void
143                  char *tooltip) {  gps_callback(gps_mask_t set, struct gps_t *fix, void *data) {
144    GtkWidget *button = gtk_button_new();    map_context_t *context = (map_context_t*)data;
145    gtk_button_set_image(GTK_BUTTON(button), icon_get_widget(ICON_MISC, icon));  
146    g_signal_connect(button, "clicked", cb, data);    printf("map: gps callback\n");
147  #ifndef USE_MAEMO  
148    gtk_widget_set_tooltip_text(button, tooltip);    context->gps.set = set;
149  #endif    memcpy(&context->gps.fix, fix, sizeof(struct gps_t));
150    return button;  }
151    
152    static void
153    cb_map_gps(osd_button_t but, map_context_t *context) {
154    
155      if(but == OSD_GPS) {
156        pos_t *refpos = get_pos(context->appdata);
157        if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
158          gint zoom;
159          g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL);
160          if(zoom < 10)
161            osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
162                                      refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM);
163          else
164            osm_gps_map_set_center(OSM_GPS_MAP(context->widget),
165                                   refpos->lat, refpos->lon);
166    
167          /* re-enable centering */
168          g_object_set(context->widget, "auto-center", TRUE, NULL);
169        } else {
170          /* no coordinates given: display the entire world */
171          osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
172                                    0.0, 0.0, 1);
173        }
174      }
175    }
176    
177    static int dist2pixel(map_context_t *context, float km, float lat) {
178      return 1000.0*km/osm_gps_map_get_scale(OSM_GPS_MAP(context->widget));
179  }  }
180    
181  static gboolean map_gps_update(gpointer data) {  static gboolean map_gps_update(gpointer data) {
182    map_context_t *context = (map_context_t*)data;    map_context_t *context = (map_context_t*)data;
183    
184    #ifdef USE_MAEMO
185      if(context->appdata->goto_disable_screensaver)
186        if(osso_display_blanking_pause(context->appdata->osso_context) != OSSO_OK)
187          fprintf(stderr, "error with display blank\n");
188    #endif
189    
190    /* get reference position ... */    /* get reference position ... */
191    pos_t *refpos = get_pos(context->appdata);    pos_t *refpos = map_get_pos(context);
192    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);
193    
194    /* ... and enable "goto" button if it's valid */    /* ... and enable "goto" button if it's valid */
195    gtk_widget_set_sensitive(context->gps, ok);    if(ok != context->goto_is_enabled) {
196        osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget),
197                    OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context);
198        context->goto_is_enabled = ok;
199      }
200    
201    if(ok) {    if(ok) {
202      float heading = NAN;      float heading = NAN;
203      int radius = 0;      int radius = 0;
204    
205      if(context->appdata->use_gps) {      if(context->appdata->use_gps) {
206        heading = gps_get_heading(context->appdata);        heading = map_gps_get_heading(context);
207    
208        /* get error */        /* get error */
209        float eph = gps_get_eph(context->appdata);        float eph = map_gps_get_eph(context);
210        if(!isnan(eph)) {        if(!isnan(eph))
211            radius = dist2pixel(context, eph/1000, refpos->lat);
         /* world at zoom 1 == 512 pixels */  
         gint zoom;  
         g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL);  
         float m_per_pix =  
           cos(DEG2RAD(refpos->lat))*2*M_PI*EQ_RADIUS/(1<<(8+zoom));  
   
         radius = eph/m_per_pix;  
       }  
212      }      }
213    
214        /* TODO: in order to save energy: only draw if state actually changed */
215    
216      g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL);      g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL);
217      osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),      osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),
218                           refpos->lat, refpos->lon, heading);                           refpos->lat, refpos->lon, heading);
# Line 174  static gboolean map_gps_update(gpointer Line 222  static gboolean map_gps_update(gpointer
222    return TRUE;    return TRUE;
223  }  }
224    
225  static gboolean on_map_configure(GtkWidget *widget,  static void map_draw_cache(GtkWidget *map, cache_t *cache, gboolean semi) {
226                                   GdkEventConfigure *event,    int type = semi?ICON_CACHE_TYPE_SEMI:ICON_CACHE_TYPE;
                                  map_context_t *context) {  
227    
228    /* set default values if they are invalid */    GdkPixbuf *icon = icon_get(type, cache->type);
229    if(!context->appdata->map.zoom ||    GdkPixbuf *over = NULL;
230       isnan(context->appdata->map.pos.lat) ||  
231       isnan(context->appdata->map.pos.lon)) {    if(cache->mine)                   over = icon_get(type, 14);
232      printf("no valid map position found\n");    else if(cache->found)             over = icon_get(type, 12);
233      else if(cache->notes) {
234      pos_t *refpos = get_pos(context->appdata);      if(cache->notes->found)         over = icon_get(type, 12);
235      if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {      else if(cache->notes->override) over = icon_get(type, 11);
236        /* use gps position if present */      else                            over = icon_get(type, 13);
       context->appdata->map.pos = *refpos;  
       context->appdata->map.zoom = GPS_DEFAULT_ZOOM;  
     } else {  
       /* use world map otherwise */  
       context->appdata->map.pos.lat = 0.0;  
       context->appdata->map.pos.lon = 0.0;  
       context->appdata->map.zoom = 1;  
     }  
237    }    }
238    
239    /* jump to initial position */    pos_t *pos = &cache->pos;
240    osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),    /* check if there's also an overwritten coordinate */
241                              context->appdata->map.pos.lat,    if(cache->notes && cache->notes->override)
242                              context->appdata->map.pos.lon,      pos = &cache->notes->pos;
                             context->appdata->map.zoom);  
   
   return FALSE;  
 }  
243    
244  static void map_draw_cachelist(GtkWidget *map, cache_t *cache) {    if(!isnan(pos->lat) && !isnan(pos->lon)) {
   while(cache) {  
     GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type);  
   
245      osm_gps_map_add_image(OSM_GPS_MAP(map),      osm_gps_map_add_image(OSM_GPS_MAP(map),
246                            cache->pos.lat, cache->pos.lon, icon);                            pos->lat, pos->lon, icon);
247        if(over)
248      cache = cache->next;        osm_gps_map_add_image(OSM_GPS_MAP(map),
249                                pos->lat, pos->lon, over);
250    }    }
251  }  }
252    
253  /* draw a nice popup */  static void map_draw_wpt(GtkWidget *map, cache_t *cache, wpt_t *wpt) {
254  typedef struct {    /* only draw wpts that don't equal the main point */
255    appdata_t *appdata;    if(pos_differ(&cache->pos, &wpt->pos)) {
256    GtkWidget *window;      if(!isnan(wpt->pos.lat) && !isnan(wpt->pos.lon))  {
257    GMainLoop *loop;        GdkPixbuf *icon =
258  } popup_context_t;          icon_get(ICON_WPT, (wpt->sym!=WPT_SYM_UNKNOWN)?
259                     wpt->sym:WPT_SYM_REFPOINT);
260  /* draw shape */  
261  #define ARROW_BORDER   20        osm_gps_map_add_image(OSM_GPS_MAP(map),
262  #define CORNER_RADIUS  10                              wpt->pos.lat, wpt->pos.lon, icon);
263        }
 #ifndef USE_MAEMO  
 #define POPUP_WIDTH  300  
 #define POPUP_HEIGHT 100  
 #else  
 #define POPUP_WIDTH  350  
 #define POPUP_HEIGHT 120  
 #endif  
   
 static gboolean  
 pointer_in_window(GtkWidget *widget, gint x_root, gint y_root) {  
   if(GTK_WIDGET_MAPPED(gtk_widget_get_toplevel(widget))) {  
     gint window_x, window_y;  
   
     gdk_window_get_position(gtk_widget_get_toplevel(widget)->window,  
                             &window_x, &window_y);  
   
     if(x_root >= window_x && x_root < window_x + widget->allocation.width &&  
         y_root >= window_y && y_root < window_y + widget->allocation.height)  
       return TRUE;  
264    }    }
   
   return FALSE;  
 }  
   
 static gboolean  
 on_button_press_event(GtkWidget *widget,  
                           GdkEventButton *event, popup_context_t *context) {  
   gboolean in = pointer_in_window(widget, event->x_root, event->y_root);  
   
   printf("overlay button press (in = %d)\n", in);  
   return !in;  
265  }  }
266    
267  static gboolean  static void map_draw_gpx(appdata_t *appdata, cache_display_t *caches,
268  on_button_release_event(GtkWidget *widget,                           GtkWidget *map, gpx_t *gpx,
269                            GdkEventButton *event, popup_context_t *context) {                           cache_t *nav, gboolean semi) {
270    gboolean in = pointer_in_window(widget, event->x_root, event->y_root);    if(!gpx->notes_loaded) {
271        notes_load_all(appdata, gpx);
272    printf("overlay button release (in = %d)\n", in);      gpx->notes_loaded = TRUE;
   
   if(!in) {  
     printf("destroying popup\n");  
     gtk_widget_destroy(gtk_widget_get_toplevel(widget));  
273    }    }
274    
275    return !in;    cache_t *cache = gpx->cache;
276  }    while(cache) {
277        /* search if we have that cache already in our list/displayed */
278  static void      int i=0;
279  shutdown_loop(popup_context_t *context) {      while(caches[i].id && (strcmp(caches[i].id, cache->id) != 0))
280    if(g_main_loop_is_running(context->loop))        i++;
281      g_main_loop_quit(context->loop);  
282  }      if(!caches[i].id) {
283          /* if nav is given draw all other caches semitransparent. */
284          /* if nav is not given do what semi sais */
285          map_draw_cache(map, cache, nav?(cache != nav):semi);
286          caches[i].id = cache->id;
287    
288          /* also draw waypoints of nav cache */
289          if(nav && cache == nav) {
290            wpt_t *wpt = cache->wpt;
291            while(wpt) {
292              map_draw_wpt(map, cache, wpt);
293              wpt = wpt->next;
294            }
295          }
296        }
297    
298  static gint      cache = cache->next;
299  run_delete_handler(GtkWindow *window, GdkEventAny *event,    }
                    popup_context_t *context) {  
   shutdown_loop(context);  
   return TRUE; /* Do not destroy */  
300  }  }
301    
302  static void  static cache_t *cache_search_first(gpx_t *gpx, cache_t *cache) {
303  run_destroy_handler(GtkWindow *window, popup_context_t *context) {    while(gpx) {
304    /* shutdown_loop will be called by run_unmap_handler */      cache_t *cur = gpx->cache;
305    printf("popup destroyed\n");      while(cur) {
306  }        /* we do a string comparision to make sure that if copies */
307          /* exist, we get the original one */
308          if(!strcmp(cache->id, cur->id))
309             return cur;
310    
311  static void        cur = cur->next;
312  run_unmap_handler(GtkWindow *window, popup_context_t *context) {      }
313    shutdown_loop(context);      gpx = gpx->next;
314      }
315      g_assert(FALSE);
316      return NULL;
317  }  }
318    
319  static void popup_window_shape(GtkWidget *window, int tip_x, int tip_y) {  /* draw geocaches and set window title */
320    GdkBitmap *mask = gdk_pixmap_new(NULL, POPUP_WIDTH, POPUP_HEIGHT, 1);  static void map_setup(map_context_t *context) {
321      char *name = NULL;
   GdkGC *gc = gdk_gc_new(mask);  
   GdkColormap *colormap;  
   GdkColor black;  
   GdkColor white;  
   
   /* get black/white color values */  
   colormap = gdk_colormap_get_system();  
   gdk_color_black(colormap, &black);  
   gdk_color_white(colormap, &white);  
   
   /* erase */  
   gdk_gc_set_foreground(gc, &black);  
   gdk_gc_set_background(gc, &white);  
   
   /* erase background */  
   gdk_draw_rectangle(mask, gc, TRUE, 0, 0, POPUP_WIDTH, POPUP_HEIGHT);  
   
   gdk_gc_set_foreground(gc, &white);  
   gdk_gc_set_background(gc, &black);  
   
   /* the tip is always above or below the "bubble" but never at its side */  
   guint tip_offset = (tip_y == 0)?ARROW_BORDER:0;  
   
   gdk_draw_rectangle(mask, gc, TRUE,  
                      0, tip_offset + CORNER_RADIUS,  
                      POPUP_WIDTH,  
                      POPUP_HEIGHT - 2*CORNER_RADIUS - ARROW_BORDER);  
322    
323    gdk_draw_rectangle(mask, gc, TRUE,    int cache_num = gpx_total_caches_global(context->appdata->gpx);
                      CORNER_RADIUS, tip_offset,  
                      POPUP_WIDTH  - 2*CORNER_RADIUS,  
                      POPUP_HEIGHT - ARROW_BORDER);  
   
   int off[][2] = {  
           { CORNER_RADIUS,               tip_offset + CORNER_RADIUS },  
           { POPUP_WIDTH - CORNER_RADIUS, tip_offset + CORNER_RADIUS },  
           { POPUP_WIDTH - CORNER_RADIUS,  
             POPUP_HEIGHT - CORNER_RADIUS - ARROW_BORDER + tip_offset},  
           { CORNER_RADIUS,  
             POPUP_HEIGHT - CORNER_RADIUS  - ARROW_BORDER + tip_offset}};  
324    
325    int i;    if(context->caches_displayed && (cache_num != context->cache_list_len)) {
326    for(i=0;i<4;i++) {      //    printf("re-alloc because %p %d/%d\n", context->caches_displayed,
327      gdk_draw_arc(mask, gc, TRUE,      //     cache_num, context->cache_list_len);
328                   off[i][0]-CORNER_RADIUS, off[i][1]-CORNER_RADIUS,      g_free(context->caches_displayed);
329                   2*CORNER_RADIUS,         2*CORNER_RADIUS,      context->caches_displayed = NULL;
330                   0, 360*64);      context->cache_list_len = 0;
331    }    }
332    
333    GdkPoint points[3] = { {POPUP_WIDTH*1/3, POPUP_HEIGHT/2},    /* allocate buffer */
334                           {POPUP_WIDTH*2/3, POPUP_HEIGHT/2},    if(cache_num && !context->caches_displayed) {
335                           {tip_x,tip_y} };      context->cache_list_len = cache_num;
336    gdk_draw_polygon(mask, gc, TRUE, points, 3);      context->caches_displayed = g_new0(cache_display_t, cache_num+1);
337        printf("allocated space to handle %d map icons\n", cache_num);
338      }
   gdk_window_shape_combine_mask(window->window, mask, 0, 0);  
 }  
   
 /* create a left aligned label (normal ones are centered) */  
 static GtkWidget *gtk_label_left_new(char *str) {  
   GtkWidget *label = gtk_label_new(str);  
   gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f);  
   return label;  
 }  
339    
340  /* the small labels are actually only on maemo small */    if(context->appdata->search_results && !context->appdata->cur_cache) {
341  #ifdef USE_MAEMO      if(context->state != MAP_SEARCH) {
342  #define MARKUP_SMALL "<span size='small'>%s</span>"        printf("map_setup(SEARCH)\n");
343  GtkWidget *gtk_label_small_left_new(char *str) {  
344    GtkWidget *label = gtk_label_new("");        /* clear any pending balloon */
345    char *markup = g_markup_printf_escaped(MARKUP_SMALL, str);        context->balloon = NULL;
346    gtk_label_set_markup(GTK_LABEL(label), markup);        osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
347    g_free(markup);  
348    gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f);  #ifdef OSD_NAV
349    return label;        /* no navigation in this mode */
350  }        osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
 #define gtk_label_big_left_new(a) gtk_label_left_new(a)  
 #else  
 #define gtk_label_small_left_new(a) gtk_label_left_new(a)  
 #define MARKUP_BIG "<span size='x-large'>%s</span>"  
 GtkWidget *gtk_label_big_left_new(char *str) {  
   GtkWidget *label = gtk_label_new("");  
   char *markup = g_markup_printf_escaped(MARKUP_BIG, str);  
   gtk_label_set_markup(GTK_LABEL(label), markup);  
   g_free(markup);  
   gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f);  
   return label;  
 }  
351  #endif  #endif
352    
353  void cache_popup(map_context_t *mcontext, cache_t *cache) {        /* clear all existing cache images */
354    popup_context_t pcontext;        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
   pcontext.appdata = mcontext->appdata;  
   
   pcontext.window = gtk_window_new(GTK_WINDOW_POPUP);  
   gtk_widget_realize(pcontext.window);  
   gtk_window_set_default_size(GTK_WINDOW(pcontext.window),  
                               POPUP_WIDTH, POPUP_HEIGHT);  
   gtk_window_resize(GTK_WINDOW(pcontext.window), POPUP_WIDTH, POPUP_HEIGHT);  
   //  gtk_window_set_resizable(GTK_WINDOW(pcontext.window), FALSE);  
   gtk_window_set_transient_for(GTK_WINDOW(pcontext.window),  
                                GTK_WINDOW(mcontext->appdata->window));  
   gtk_window_set_keep_above(GTK_WINDOW(pcontext.window), TRUE);  
   gtk_window_set_destroy_with_parent(GTK_WINDOW(pcontext.window), TRUE);  
   gtk_window_set_gravity(GTK_WINDOW(pcontext.window), GDK_GRAVITY_STATIC);  
   gtk_window_set_modal(GTK_WINDOW(pcontext.window), TRUE);  
   
   /* connect events */  
   g_signal_connect(G_OBJECT(pcontext.window), "button-press-event",  
                    G_CALLBACK(on_button_press_event), &pcontext);  
   g_signal_connect(G_OBJECT(pcontext.window), "button-release-event",  
                    G_CALLBACK(on_button_release_event), &pcontext);  
   g_signal_connect(G_OBJECT(pcontext.window), "delete-event",  
                    G_CALLBACK(run_delete_handler), &pcontext);  
   g_signal_connect(G_OBJECT(pcontext.window), "destroy",  
                    G_CALLBACK(run_destroy_handler), &pcontext);  
   g_signal_connect(G_OBJECT(pcontext.window), "unmap",  
                    G_CALLBACK(run_unmap_handler), &pcontext);  
   
   gdk_pointer_grab(pcontext.window->window, TRUE,  
      GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK,  
                    NULL, NULL, GDK_CURRENT_TIME);  
   gtk_grab_add(pcontext.window);  
   
   /* check whether cache is in upper or lower half of window */  
   gint x, y, sx, sy;  
   osm_gps_map_geographic_to_screen(OSM_GPS_MAP(mcontext->widget),  
                                    cache->pos.lat, cache->pos.lon,  
                                    &sx, &sy);  
   
   gdk_window_get_origin(mcontext->widget->window, &x, &y);  
   
   gint ax = 0, ay = 0;  
   if(sx > mcontext->widget->allocation.width/2)  
     ax = POPUP_WIDTH;  
355    
356    if(sy > mcontext->widget->allocation.height/2)        if(context->caches_displayed) {
357      ay = POPUP_HEIGHT;          memset(context->caches_displayed, 0,
358                   (cache_num+1) * sizeof(cache_display_t));
359    
360            /* draw search results and all other gpx files are semi-transparent */
361            map_draw_gpx(context->appdata, context->caches_displayed,
362                         context->widget, context->appdata->search_results,
363                         NULL, FALSE);
364    
365            gpx_t *gpx = context->appdata->gpx;
366            while(gpx) {
367              map_draw_gpx(context->appdata, context->caches_displayed,
368                           context->widget, gpx, NULL, TRUE);
369    
370  #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5)            gpx = gpx->next;
371    GdkColor color;          }
372    gdk_color_parse("darkgray", &color);        }
373    gtk_widget_modify_bg(GTK_WIDGET(pcontext.window), GTK_STATE_NORMAL, &color);        name = g_strdup(_("Search results"));
374          context->state = MAP_SEARCH;
375        }
376      } else if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
377        if(context->state != MAP_ALL) {
378          printf("map_setup(ALL)\n");
379    
380          /* clear any pending balloon */
381          context->balloon = NULL;
382          osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
383    
384    #ifdef OSD_NAV
385          /* no navigation in this mode */
386          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
387  #endif  #endif
388    
389    gtk_window_move(GTK_WINDOW(pcontext.window),        /* clear all existing cache images */
390                    x + mcontext->widget->allocation.x + sx - ax,        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
391                    y + mcontext->widget->allocation.y + sy - ay);        if(context->caches_displayed) {
392            memset(context->caches_displayed, 0,
393                   (cache_num+1) * sizeof(cache_display_t));
394    GtkWidget *alignment = gtk_alignment_new(0.5, 0.5, 1.0, 1.0);  
395    gtk_alignment_set_padding(GTK_ALIGNMENT(alignment),          /* draw all geocaches and none is semi-transparent */
396                              CORNER_RADIUS/2 + (ay?0:ARROW_BORDER),          gpx_t *gpx = context->appdata->gpx;
397                              CORNER_RADIUS/2 + (ay?ARROW_BORDER:0),          while(gpx) {
398                              CORNER_RADIUS, CORNER_RADIUS);            map_draw_gpx(context->appdata, context->caches_displayed,
399                           context->widget, gpx, NULL, FALSE);
400    /* --- actual content ---- */            gpx = gpx->next;
401    GtkWidget *vbox = gtk_vbox_new(FALSE, 0);          }
402    
403    if(cache->id) {          {
404      GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);            int i=0;
405              while(context->caches_displayed[i].id) i++;
406      gtk_box_pack_start(GTK_BOX(ihbox),            printf("number of caches actually displayed: %d\n", i);
407         icon_get_widget(ICON_CACHE_TYPE, cache->type),          }
408         FALSE, FALSE, 5);        }
409          name = g_strdup(_("all"));
410      gtk_box_pack_start_defaults(GTK_BOX(ihbox),        context->state = MAP_ALL;
411                  gtk_label_big_left_new(cache->id));      }
412      } else if(!context->appdata->cur_cache) {
413        if(context->state != MAP_GPX) {
414          printf("map_setup(GPX)\n");
415    
416          /* clear any pending balloon */
417          context->balloon = NULL;
418          osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
419    
420    #ifdef OSD_NAV
421          /* no navigation in this mode */
422          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
423    #endif
424    
425      gtk_box_pack_start_defaults(GTK_BOX(vbox), ihbox);        /* clear all existing cache images */
426    }        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
427          if(context->caches_displayed) {
428            memset(context->caches_displayed, 0,
429                   (cache_num+1) * sizeof(cache_display_t));
430    
431            /* draw all geocaches and all other gpx files are semi-transparent */
432            map_draw_gpx(context->appdata, context->caches_displayed,
433                         context->widget, context->appdata->cur_gpx, NULL, FALSE);
434    
435            gpx_t *gpx = context->appdata->gpx;
436            while(gpx) {
437              if(gpx != context->appdata->cur_gpx)
438                map_draw_gpx(context->appdata, context->caches_displayed,
439                             context->widget, gpx, NULL, TRUE);
440    
441              gpx = gpx->next;
442            }
443          }
444    
445    if(cache->name) {        name = g_strdup(context->appdata->cur_gpx->name);
446      GtkWidget *label = gtk_label_small_left_new(cache->name);        context->state = MAP_GPX;
447      gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END);      }
448      gtk_box_pack_start_defaults(GTK_BOX(vbox), label);    } else {
449    }      cache_t *cache = context->appdata->cur_cache;
450    
451        printf("map_setup(CACHE)\n");
452    
453        /* clear any pending balloon */
454        context->balloon = NULL;
455        osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
456    
457        /* clear all existing ccahe images */
458        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
459        if(context->caches_displayed) {
460          memset(context->caches_displayed, 0,
461                 (cache_num+1) * sizeof(cache_display_t));
462    
463          /* Make sure we really work on the first copy in the list as */
464          /* only this is being used if duplicates exist */
465          cache = cache_search_first(context->appdata->gpx, cache);
466    
467          /* draw all geocaches and all but selected one are semi-transparent */
468          gpx_t *gpx = context->appdata->gpx;
469          while(gpx) {
470            map_draw_gpx(context->appdata, context->caches_displayed,
471                         context->widget, gpx, cache, FALSE);
472            gpx = gpx->next;
473          }
474        }
475    
476    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);      name = g_strdup(cache->name);
477    if(cache->terrain) {      context->state = MAP_CACHE;
478      GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);  
479      gtk_box_pack_start(GTK_BOX(ihbox),      /* navigation in this mode! */
480         gtk_label_small_left_new(_("Terrain:")), FALSE, FALSE, 0);      pos_t cpos = gpx_cache_pos(cache);
     gtk_box_pack_start(GTK_BOX(ihbox),  
        icon_get_widget(ICON_STARS, (int)(cache->terrain*2-2)),  
        FALSE, FALSE, 5);  
     gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox);  
   }  
481    
482    if(cache->difficulty) {  #ifdef OSD_NAV
483      GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);      osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget),
484      gtk_box_pack_start(GTK_BOX(ihbox),                                context->appdata->imperial,
485         gtk_label_small_left_new(_("Difficulty:")), FALSE, FALSE, 0);                                cpos.lat, cpos.lon, cache->name);
486      gtk_box_pack_start(GTK_BOX(ihbox),  #else
487         icon_get_widget(ICON_STARS, (int)(cache->difficulty*2-2)),  #warning OSD_NAV not defined!
488         FALSE, FALSE, 5);  #endif
     gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox);  
489    }    }
490    
491    gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);    /* also mark geomath position */
492    
493    gtk_container_add(GTK_CONTAINER(alignment), vbox);    /* remove all existing appearances of this icon first */
494    /* ----------------------- */    osm_gps_map_remove_image(OSM_GPS_MAP(context->widget),
495                               icon_get(ICON_MISC, 4));
   
   gtk_container_add(GTK_CONTAINER(pcontext.window), alignment);  
   
   /* give window its shape */  
   popup_window_shape(pcontext.window, ax, ay);  
   
   gtk_widget_show_all(pcontext.window);  
   
   /* handle this popup until it's gone */  
496    
497    pcontext.loop = g_main_loop_new(NULL, FALSE);    if(!isnan(context->appdata->geomath.lat) &&
498         !isnan(context->appdata->geomath.lon))  {
   GDK_THREADS_LEAVE();  
   g_main_loop_run(pcontext.loop);  
   GDK_THREADS_ENTER();  
499    
500    g_main_loop_unref(pcontext.loop);      osm_gps_map_add_image(OSM_GPS_MAP(context->widget),
501                              context->appdata->geomath.lat,
502                              context->appdata->geomath.lon,
503                              icon_get(ICON_MISC, 4));
504      }
505    
506    printf("cache popup removed\n");    if(name) {
507        gtk_window_set_title(GTK_WINDOW(context->window), name);
508        g_free(name);
509      } else
510        printf("map_setup(keep)\n");
511  }  }
512    
513  static void  static void
514  map_cachelist_nearest(cache_t *cache, pos_t *pos,  map_cachelist_nearest(cache_t *cache, pos_t *pos,
515                        cache_t **result, float *distance) {                        cache_t **result, float *distance) {
516    
517    while(cache) {    while(cache) {
518        pos_t cpos = gpx_cache_pos(cache);
519    
520      float dist =      float dist =
521        pow(cache->pos.lat - pos->lat, 2) +        pow(cpos.lat - pos->lat, 2) +
522        pow(cache->pos.lon - pos->lon, 2);        pow(cpos.lon - pos->lon, 2);
523    
524      if(!(dist > *distance)) {      if(!(dist > *distance)) {
525        *result = cache;        *result = cache;
# Line 548  map_cachelist_nearest(cache_t *cache, po Line 533  map_cachelist_nearest(cache_t *cache, po
533  static cache_t *map_closest(map_context_t *context, pos_t *pos) {  static cache_t *map_closest(map_context_t *context, pos_t *pos) {
534    cache_t *result = NULL;    cache_t *result = NULL;
535    float distance = NAN;    float distance = NAN;
536    
537  #ifdef USE_MAEMO    if(context->appdata->search_results && !context->appdata->cur_cache) {
538    if(!context->appdata->cur_gpx) {      /* search search results */
539  #endif      map_cachelist_nearest(context->appdata->search_results->cache,
540                              pos, &result, &distance);
541      } else if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
542      /* search all geocaches */      /* search all geocaches */
543      gpx_t *gpx = context->appdata->gpx;      gpx_t *gpx = context->appdata->gpx;
544      while(gpx) {      while(gpx) {
545        map_cachelist_nearest(gpx->cache, pos, &result, &distance);        map_cachelist_nearest(gpx->cache, pos, &result, &distance);
546        gpx = gpx->next;        gpx = gpx->next;
547      }      }
548  #ifdef USE_MAEMO    } else if(context->appdata->cur_gpx) {
549    } else {      /* search in current gpx file */
550      map_cachelist_nearest(context->appdata->cur_gpx->cache,      map_cachelist_nearest(context->appdata->cur_gpx->cache,
551                            pos, &result, &distance);                            pos, &result, &distance);
552    }    } else
553  #endif      result = context->appdata->cur_cache;
554    
555      /* make sure this is the first hit */
556      if(context->caches_displayed)
557        result = cache_search_first(context->appdata->gpx, result);
558    
559    return result;    return result;
560  }  }
# Line 571  static cache_t *map_closest(map_context_ Line 562  static cache_t *map_closest(map_context_
562  /* translate between osm-gps-map positions and gpxview ones */  /* translate between osm-gps-map positions and gpxview ones */
563  pos_t coord2pos(coord_t coo) {  pos_t coord2pos(coord_t coo) {
564    pos_t pos;    pos_t pos;
565    pos.lat = RAD2DEG(coo.rlat);    pos.lat = rad2deg(coo.rlat);
566    pos.lon = RAD2DEG(coo.rlon);    pos.lon = rad2deg(coo.rlon);
567    return pos;    return pos;
568  }  }
569    
 static int dist2pixel(map_context_t *context, float km, float lat) {  
   gint zoom;  
   g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL);  
   
   /* world at zoom 1 == 512 pixels */  
   float m_per_pix =  
     cos(DEG2RAD(lat))*2*M_PI*EQ_RADIUS/(1<<(8+zoom));  
   
   return 1000.0*km/m_per_pix;  
 }  
   
570  #define CLICK_FUZZ (24)  #define CLICK_FUZZ (24)
571    
572  static gboolean  static gboolean
573  on_map_button_press_event(GtkWidget *widget,  on_map_button_press_event(GtkWidget *widget,
574                              GdkEventButton *event, map_context_t *context) {                              GdkEventButton *event, map_context_t *context) {
575    
576    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
577    
578      /* check if we actually clicked parts of the OSD */
579      if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE)
580        return FALSE;
581    
582    /* got a press event without release event? eat it! */    /* got a press event without release event? eat it! */
583    if(context->press_on != NULL) {    if(context->press_on != NULL) {
584      printf("PRESS: already\n");      printf("PRESS: already\n");
585      return TRUE;      return FALSE;
586    }    }
587    
588    pos_t pos =    pos_t pos =
# Line 605  on_map_button_press_event(GtkWidget *wid Line 590  on_map_button_press_event(GtkWidget *wid
590    
591    cache_t *nearest = map_closest(context, &pos);    cache_t *nearest = map_closest(context, &pos);
592    if(nearest) {    if(nearest) {
593      float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);      pos_t cpos = gpx_cache_pos(nearest);
594      if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ)  
595        float dist = gpx_pos_get_distance(pos, cpos, FALSE);
596        if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ)
597        context->press_on = nearest;        context->press_on = nearest;
598    }    }
599    
600    return FALSE;    return FALSE;
601  }  }
602    
603    static void
604    cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf *buf, gint x, gint y) {
605      /* convert the pixbuf into something cairo can handle */
606    
607      // Create a new ImageSurface
608      cairo_surface_t *image_surface =
609        cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
610                                   gdk_pixbuf_get_width(buf),
611                                   gdk_pixbuf_get_height(buf));
612    
613      // Create the new Context for the ImageSurface
614      g_assert(image_surface);
615      cairo_t *context = cairo_create(image_surface);
616    
617      // Draw the image on the new Context
618      gdk_cairo_set_source_pixbuf(context, buf, 0.0, 0.0);
619      cairo_paint(context);
620    
621      // now draw this onto the original context
622      cairo_set_source_surface(cr, image_surface, x, y);
623    
624      cairo_paint(cr);
625    }
626    
627    #ifndef BIG_BALLOONS
628    #define ICON_SIZE  ICON_CACHE_TYPE
629    #else
630    #define ICON_SIZE  ICON_CACHE_TYPE_1_5X
631    #endif
632    
633    #ifndef BIG_BALLOONS
634    #define FONT_SIZE 14.0
635    #else
636    #define FONT_SIZE 22.0
637    #endif
638    #define LINE_SKIP  (FONT_SIZE/4)
639    
640    
641    static void
642    balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) {
643      printf("balloon event: ");
644    
645      map_context_t *context = (map_context_t*)data;
646      cache_t *cache = context->balloon;
647    
648      if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) {
649        printf("draw\n");
650    
651    #if 0
652        /* draw pink background to check clipping */
653        cairo_rectangle (event->data.draw.cr,
654                         event->data.draw.rect->x-20, event->data.draw.rect->y-20,
655                         event->data.draw.rect->w+40, event->data.draw.rect->h+40);
656        cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3);
657        cairo_fill_preserve (event->data.draw.cr);
658        cairo_set_line_width (event->data.draw.cr, 0);
659        cairo_stroke (event->data.draw.cr);
660    #endif
661    
662        /* leave a little border top and left */
663        gint x = event->data.draw.rect->x, y = event->data.draw.rect->y;
664    
665        /* draw the cache type icon ... */
666        GdkPixbuf *icon = icon_get(ICON_SIZE, cache->type);
667        cairo_draw_pixbuf(event->data.draw.cr, icon, x, y);
668    
669        if(cache->notes && cache->notes->override) {
670          GdkPixbuf *over = icon_get(ICON_SIZE, 11);
671          cairo_draw_pixbuf(event->data.draw.cr, over, x, y);
672        }
673    
674        /* ... and right of it the waypoint id */
675        cairo_text_extents_t extents;
676    
677        if(cache->id) {
678          cairo_select_font_face (event->data.draw.cr, "Sans",
679                                  CAIRO_FONT_SLANT_NORMAL,
680                                  CAIRO_FONT_WEIGHT_BOLD);
681    
682    #ifndef BIG_BALLOONS
683          cairo_set_font_size (event->data.draw.cr, 20.0);
684    #else
685          cairo_set_font_size (event->data.draw.cr, 36.0);
686    #endif
687    
688          cairo_text_extents (event->data.draw.cr, cache->id, &extents);
689    
690          /* display id right of icon vertically centered */
691          x += gdk_pixbuf_get_width(icon) + 5;
692          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
693          cairo_move_to (event->data.draw.cr, x, y);
694          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
695          cairo_show_text (event->data.draw.cr, cache->id);
696          cairo_stroke (event->data.draw.cr);
697    
698          y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP;
699        } else
700          y += gdk_pixbuf_get_height(icon);
701    
702        /* return to the left border and below icon/text */
703        x = event->data.draw.rect->x;
704    
705        /* everything from here uses the same font */
706        cairo_select_font_face (event->data.draw.cr, "Sans",
707                                CAIRO_FONT_SLANT_NORMAL,
708                                CAIRO_FONT_WEIGHT_NORMAL);
709    
710        cairo_set_font_size (event->data.draw.cr, FONT_SIZE);
711    
712        if(cache->name) {
713          /* draw cache name */
714          cairo_text_extents (event->data.draw.cr, cache->name, &extents);
715          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing);
716          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
717          cairo_show_text (event->data.draw.cr, cache->name);
718          cairo_stroke (event->data.draw.cr);
719    
720          /* return to the left border and below text */
721          y += LINE_SKIP + FONT_SIZE;
722          x = event->data.draw.rect->x;
723        }
724    
725        if(cache->terrain) {
726          int text_y = 0, icon_y = 0;
727    
728          /* draw cache rating */
729          const char *terrain = "Terrain:";
730          icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2));
731          cairo_text_extents (event->data.draw.cr, _(terrain), &extents);
732    
733          if(gdk_pixbuf_get_height(icon) > FONT_SIZE)
734            text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2;
735          else
736            icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2;
737    
738          /* draw "Terrain:" string */
739          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y);
740          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
741          cairo_show_text (event->data.draw.cr, _(terrain));
742          cairo_stroke (event->data.draw.cr);
743          x += extents.width + 2;
744    
745          /* draw terrain stars */
746          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y);
747    
748          x += gdk_pixbuf_get_width(icon) + FONT_SIZE/2;
749        }
750    
751        if(cache->difficulty) {
752          int text_y = 0, icon_y = 0;
753    
754          const char *difficulty = "Difficulty:";
755          icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2));
756          cairo_text_extents (event->data.draw.cr, _(difficulty), &extents);
757    
758          if(gdk_pixbuf_get_height(icon) > FONT_SIZE)
759            text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2;
760          else
761            icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2;
762    
763          /* draw "Difficulty:" string */
764          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y);
765          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
766          cairo_show_text (event->data.draw.cr, _(difficulty));
767          cairo_stroke (event->data.draw.cr);
768          x += extents.width + 2;
769    
770          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y);
771        }
772    
773        /* draw container info */
774        /* TODO ... */
775    
776    
777      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) {
778        printf("click %s event at %d %d\n",
779               event->data.click.down?"down":"up",
780               event->data.click.x, event->data.click.y);
781    
782        /* make the main screen jump to that cache */
783        if(!event->data.click.down) {
784          if(context->appdata->cur_cache) {
785            printf("ERROR: no current cache should be visible!\n");
786          } else {
787            gpx_t *is_in = NULL;
788    
789            if(context->appdata->search_results) {
790              printf("click while in \"search results\" view\n");
791    
792              is_in = context->appdata->search_results;
793            } else if(!context->appdata->cur_gpx) {
794              printf("click while in \"all\" view\n");
795    
796              /* we first need to figure out which gpx file this cache */
797              /* is in so we can open it first */
798              gpx_t *gpx = context->appdata->gpx;
799              while(gpx && !is_in) {
800                cache_t *cur = gpx->cache;
801                while(cur && !is_in) {
802                  if(cur == cache)
803                    is_in = gpx;
804                  cur = cur->next;
805                }
806                gpx = gpx->next;
807              }
808    
809              if(is_in)
810                gpxlist_goto_cachelist(context->appdata, is_in);
811    
812            } else {
813              printf("click while in \"cachelist\" view\n");
814    
815              /* the simple case: there already is an open gpx file and */
816              /* we just jump into the "cache" view */
817              is_in = context->appdata->cur_gpx;
818            }
819    
820            if(is_in) {
821              printf("selecting %s in %s\n",
822                     cache->id,
823                     context->appdata->search_results?
824                     context->appdata->search_results->name:
825                     context->appdata->cur_gpx->name);
826    
827              cachelist_goto_cache(context->appdata, cache);
828    
829              /* give focus to main screen (important for maemo) */
830              printf("raising main window\n");
831              gtk_window_present(GTK_WINDOW(context->appdata->window));
832            }
833          }
834        }
835      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) {
836        printf("removed\n");
837        context->balloon = NULL;
838      }
839    }
840    
841  static gboolean  static gboolean
842  on_map_button_release_event(GtkWidget *widget,  on_map_button_release_event(GtkWidget *widget,
843                              GdkEventButton *event, map_context_t *context) {                              GdkEventButton *event, map_context_t *context) {
844    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
845    
846      /* in "MAP_CACHE" state only one cache is visible */
847      /* and the map is in navigation mode. the balloon is */
848      /* pretty useless there */
849    if(context->press_on) {    if(context->press_on) {
850    
851        coord_t coo;
852        coo = osm_gps_map_get_co_ordinates(map, event->x, event->y);
853    
854      pos_t pos =      pos_t pos =
855        coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));        coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
856    
857      cache_t *nearest = map_closest(context, &pos);      cache_t *nearest = map_closest(context, &pos);
858      if(nearest && nearest == context->press_on) {      if(nearest && nearest == context->press_on) {
859        float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);        pos_t cpos = gpx_cache_pos(nearest);
860        if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ)  
861          cache_popup(context, nearest);        float dist = gpx_pos_get_distance(pos, cpos, FALSE);
862          if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) {
863    
864            context->balloon = nearest;
865            osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon,
866                                         balloon_cb, context);
867          }
868      }      }
869      context->press_on = NULL;      context->press_on = NULL;
870    } else {    } else {
# Line 640  on_map_button_release_event(GtkWidget *w Line 878  on_map_button_release_event(GtkWidget *w
878    return FALSE;    return FALSE;
879  }  }
880    
881  static void save_map_state(map_context_t *context) {  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {
882      appdata_t *appdata = context->appdata;
883    
884    /* save map parameters */    /* save map parameters */
885    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
886    gint zoom;    gint zoom;
887    g_object_get(map, "zoom", &zoom, NULL);    g_object_get(map, "zoom", &zoom, NULL);
888    context->appdata->map.zoom = zoom;    context->appdata->map.zoom = zoom;
889    
890      gboolean dpix;
891      g_object_get(map, "double-pixel", &dpix, NULL);
892      context->appdata->map.dpix = dpix;
893    
894    gfloat lat, lon;    gfloat lat, lon;
895    g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);    g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);
896    context->appdata->map.pos.lat = lat;    context->appdata->map.pos.lat = lat;
897    context->appdata->map.pos.lon = lon;    context->appdata->map.pos.lon = lon;
 }  
   
 #if MAEMO_VERSION_MAJOR == 5  
 static void on_window_destroy(GtkWidget *widget, map_context_t *context) {  
   printf("destroy map view\n");  
898    
899    save_map_state(context);    gint source;
900      g_object_get(map, "map-source", &source, NULL);
901      context->appdata->map.source = source;
902    
903    #if MAEMO_VERSION_MAJOR == 5
904    /* restore cur_view */    /* restore cur_view */
905    context->appdata->cur_view = context->old_view;    context->appdata->cur_view = context->old_view;
906    #endif
907    
908    gtk_timeout_remove(context->handler_id);    gtk_timeout_remove(context->handler_id);
909    
910      if(context->caches_displayed) {
911        g_free(context->caches_displayed);
912        context->caches_displayed = NULL;
913      }
914    
915      printf("destroy map context\n");
916    g_free(context);    g_free(context);
917      appdata->map.context = NULL;
918    }
919    
920    #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
921    /* get access to zoom buttons */
922    static void
923    on_window_realize(GtkWidget *widget, gpointer data) {
924      if (widget->window) {
925        unsigned char value = 1;
926        Atom hildon_zoom_key_atom =
927          gdk_x11_get_xatom_by_name("_HILDON_ZOOM_KEY_ATOM"),
928          integer_atom = gdk_x11_get_xatom_by_name("INTEGER");
929        Display *dpy =
930          GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(widget->window));
931        Window w = GDK_WINDOW_XID(widget->window);
932    
933        XChangeProperty(dpy, w, hildon_zoom_key_atom,
934                        integer_atom, 8, PropModeReplace, &value, 1);
935      }
936  }  }
937  #endif  #endif
938    
939    /* on maemo a window is either on top or completely invisible. this */
940    /* means that we only need to update the map window if its raised.  */
941    /* on ordinary desktops this is different and we always update */
942    
943    static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event,
944                             gpointer data) {
945      map_context_t *context = (map_context_t*)data;
946    
947      printf("map got focus\n");
948    
949    #ifdef USE_MAEMO
950      /* re-enable refresh of map */
951      if(!context->handler_id)
952        context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
953    #endif
954    
955      gps_register_callback(context->appdata->gps_state,
956                            LATLON_CHANGED | HERR_CHANGED | TRACK_CHANGED,
957                            gps_callback, context);
958    
959      map_setup(context);
960      return FALSE;
961    }
962    
963    static gboolean on_focus_out(GtkWidget *widget, GdkEventFocus *event,
964                             gpointer data) {
965      map_context_t *context = (map_context_t*)data;
966    
967      printf("map lost focus\n");
968    
969      /* save new map position */
970      gfloat lat, lon;
971      g_object_get(widget, "latitude", &lat, "longitude", &lon, NULL);
972    
973      context->appdata->map.pos.lat = lat;
974      context->appdata->map.pos.lon = lon;
975    
976    #ifdef USE_MAEMO
977      gtk_timeout_remove(context->handler_id);
978      context->handler_id = 0;
979    #endif
980    
981      gps_unregister_callback(context->appdata->gps_state, gps_callback);
982    
983      return FALSE;
984    }
985    
986    void map_update(appdata_t *appdata) {
987      printf("map_update\n");
988    #ifndef USE_MAEMO
989      if(appdata->map.context)
990        map_setup(appdata->map.context);
991    #endif
992    }
993    
994    static gboolean
995    on_map_window_key_press(GtkWidget *window, GdkEventKey *event, GtkWidget *map)  {
996    #ifdef USE_MAEMO
997      if((event->keyval == HILDON_HARDKEY_FULLSCREEN) ||
998         (event->keyval == HILDON_HARDKEY_INCREASE) ||
999         (event->keyval == HILDON_HARDKEY_DECREASE))
1000    #else
1001      if(event->keyval == GDK_F11)
1002    #endif
1003      {
1004        gboolean return_val;
1005        g_signal_emit_by_name(GTK_OBJECT(map), "key_press_event",
1006                              event, &return_val);
1007        return return_val;
1008      }
1009    
1010      return FALSE;
1011    }
1012    
1013  void map(appdata_t *appdata) {  void map(appdata_t *appdata) {
1014    map_context_t *context = g_new0(map_context_t, 1);    map_context_t *context = NULL;
1015    
1016      /* if the map window already exists, just raise it */
1017      if(appdata->map.context) {
1018        printf("using existing map!\n");
1019        gtk_window_present(GTK_WINDOW(appdata->map.context->window));
1020        map_setup(appdata->map.context);
1021        return;
1022      }
1023    
1024      context = appdata->map.context = g_new0(map_context_t, 1);
1025      printf("allocated new context at %p\n", context);
1026    
1027    context->appdata = appdata;    context->appdata = appdata;
1028      context->state = MAP_NONE;
1029    
1030      /* cleanup old (pre 0.8.7) path if it exists */
1031      char *old_path = g_strdup_printf("%s/map/", appdata->image_path);
1032      if(g_file_test(old_path, G_FILE_TEST_IS_DIR)) {
1033        printf("old file path %s exists\n", old_path);
1034        rmdir_recursive(old_path);
1035      }
1036    
1037    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);    /* It is recommanded that all applications share these same */
1038      /* map path, so data is only cached once. The path should be: */
1039      /* ~/.osm-gps-map on standard PC     (users home) */
1040      /* /home/user/.osm-gps-map on Maemo5 (ext3 on internal card) */
1041      /* /media/mmc2/osm-gps-map on Maemo4 (vfat on internal card) */
1042    #if !defined(USE_MAEMO)
1043      char *p = getenv("HOME");
1044      if(!p) p = "/tmp";
1045      char *path = g_strdup_printf("%s/.osm-gps-map", p);
1046    #else
1047    #if MAEMO_VERSION_MAJOR == 5
1048      char *path = g_strdup("/home/user/.osm-gps-map");
1049    #else
1050      char *path = g_strdup("/media/mmc2/osm-gps-map");
1051    #endif
1052    #endif
1053    
   char *path = g_strdup_printf("%s/map/", appdata->image_path);  
1054    const char *proxy = get_proxy_uri(appdata);    const char *proxy = get_proxy_uri(appdata);
1055    
1056      gint source = context->appdata->map.source;
1057      if(!source) source = MAP_SOURCE;
1058    
1059    context->widget = g_object_new(OSM_TYPE_GPS_MAP,    context->widget = g_object_new(OSM_TYPE_GPS_MAP,
1060                   "repo-uri",             MAP_SOURCE_OPENSTREETMAP,                   "map-source",               source,
1061                   "tile-cache",           path,                   "tile-cache",               OSM_GPS_MAP_CACHE_FRIENDLY,
1062                   "auto-center",          FALSE,                   "tile-cache-base",          path,
1063                   "record-trip-history",  FALSE,                   "auto-center",              FALSE,
1064                   "show-trip-history",    FALSE,                   "record-trip-history",      FALSE,
1065                     "show-trip-history",        FALSE,
1066                     "double-pixel",             context->appdata->map.dpix,
1067                     proxy?"proxy-uri":NULL,     proxy,
1068                   NULL);                   NULL);
1069    
   if(proxy)  
     g_object_set(OSM_GPS_MAP(context->widget), "proxy-uri", proxy, NULL);  
   
1070    g_free(path);    g_free(path);
1071    
1072    char *name = NULL;    osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget));
1073  #ifdef USE_MAEMO  
1074    if(!appdata->cur_gpx) {    /* set default values if they are invalid */
1075  #endif    if(!context->appdata->map.zoom ||
1076      /* draw all geocaches */       isnan(context->appdata->map.pos.lat) ||
1077      gpx_t *gpx = appdata->gpx;       isnan(context->appdata->map.pos.lon)) {
1078      while(gpx) {      printf("no valid map position found\n");
1079        map_draw_cachelist(context->widget, gpx->cache);  
1080        gpx = gpx->next;      pos_t *refpos = get_pos(context->appdata);
1081        if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
1082          printf("use refpos\n");
1083    
1084            /* use gps position if present */
1085          context->appdata->map.pos = *refpos;
1086          context->appdata->map.zoom = GPS_DEFAULT_ZOOM;
1087        } else {
1088          printf("use zero pos\n");
1089    
1090          /* use world map otherwise */
1091          context->appdata->map.pos.lat = 0.0;
1092          context->appdata->map.pos.lon = 0.0;
1093          context->appdata->map.zoom = 1;
1094      }      }
     name = g_strdup(_("all geocaches"));  
 #ifdef USE_MAEMO  
   } else {  
     map_draw_cachelist(context->widget, appdata->cur_gpx->cache);  
     name = g_strdup(appdata->cur_gpx->name);  
1095    }    }
 #endif  
1096    
1097    char *title = g_strdup_printf(_("Map - %s"), name);    int key_maps[][2] = {
1098    g_free(name);      { OSM_GPS_MAP_KEY_FULLSCREEN, MAP_KEY_FULLSCREEN },
1099        { OSM_GPS_MAP_KEY_ZOOMIN, MAP_KEY_ZOOMIN },
1100        { OSM_GPS_MAP_KEY_ZOOMOUT, MAP_KEY_ZOOMOUT },
1101        { OSM_GPS_MAP_KEY_UP, MAP_KEY_UP },
1102        { OSM_GPS_MAP_KEY_DOWN, MAP_KEY_DOWN },
1103        { OSM_GPS_MAP_KEY_LEFT, MAP_KEY_LEFT },
1104        { OSM_GPS_MAP_KEY_RIGHT, MAP_KEY_RIGHT },
1105        { OSM_GPS_MAP_KEY_MAX, 0 } };
1106    
1107      int i;
1108      for(i=0;key_maps[i][0] != OSM_GPS_MAP_KEY_MAX;i++)
1109        osm_gps_map_set_keyboard_shortcut(OSM_GPS_MAP(context->widget),
1110                                          key_maps[i][0], key_maps[i][1]);
1111    
1112  #if MAEMO_VERSION_MAJOR == 5    osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
1113    GtkWidget *window = hildon_stackable_window_new();                              context->appdata->map.pos.lat,
1114    gtk_window_set_title(GTK_WINDOW(window), title);                              context->appdata->map.pos.lon,
1115                                context->appdata->map.zoom);
1116    
1117    #ifdef USE_MAEMO
1118      /* we don't use a stackable window here on fremantle, since */
1119      /* this leaves the main window independent from the map and */
1120      /* the user can e.g. still navigate the main menu */
1121      context->window = hildon_window_new();
1122    
1123    #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
1124      g_signal_connect(G_OBJECT(context->window), "realize",
1125                       G_CALLBACK(on_window_realize), NULL);
1126    #endif // MAEMO_VERSION
1127  #else  #else
1128    GtkWidget *dialog = gtk_dialog_new_with_buttons(title,    context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1129                            GTK_WINDOW(appdata->window),  #endif
                           GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,  
                           GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,  
                           NULL);  
1130    
1131  #ifndef USE_MAEMO  #ifndef USE_MAEMO
1132    gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 480);    gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480);
 #else  
   gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480);  
 #endif  
1133  #endif  #endif
1134    
1135    g_free(title);    g_signal_connect(G_OBJECT(context->widget), "focus-in-event",
1136                       G_CALLBACK(on_focus_in), context);
1137    
1138    g_signal_connect(G_OBJECT(context->widget), "configure-event",    g_signal_connect(G_OBJECT(context->widget), "focus-out-event",
1139                     G_CALLBACK(on_map_configure), context);                     G_CALLBACK(on_focus_out), context);
1140    
1141    g_signal_connect(G_OBJECT(context->widget), "button-press-event",    g_signal_connect(G_OBJECT(context->widget), "button-press-event",
1142                     G_CALLBACK(on_map_button_press_event), context);                     G_CALLBACK(on_map_button_press_event), context);
# Line 738  void map(appdata_t *appdata) { Line 1144  void map(appdata_t *appdata) {
1144    g_signal_connect(G_OBJECT(context->widget), "button-release-event",    g_signal_connect(G_OBJECT(context->widget), "button-release-event",
1145                     G_CALLBACK(on_map_button_release_event), context);                     G_CALLBACK(on_map_button_release_event), context);
1146    
   gtk_box_pack_start_defaults(GTK_BOX(hbox), context->widget);  
   /* zoom button box */  
   GtkWidget *vbox = gtk_vbox_new(FALSE,0);  
   
   context->zoomin =  
     map_add_button(10, 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(11, 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(9, G_CALLBACK(cb_map_gps),  
                    context, _("Jump to GPS position"));  
   gtk_widget_set_sensitive(context->gps, FALSE);  
1147    /* install handler for timed updates of the gps button */    /* install handler for timed updates of the gps button */
1148    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
   gtk_box_pack_start(GTK_BOX(vbox), context->gps, FALSE, FALSE, 0);  
   
   gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);  
1149    
1150  #if MAEMO_VERSION_MAJOR == 5  #if MAEMO_VERSION_MAJOR == 5
1151    /* prevent some of the main screen things */    /* prevent some of the main screen things */
1152    context->old_view = appdata->cur_view;    context->old_view = appdata->cur_view;
1153    appdata->cur_view = NULL;    appdata->cur_view = NULL;
1154    #endif
1155    
1156    g_signal_connect(G_OBJECT(window), "destroy",    g_signal_connect(G_OBJECT(context->window), "destroy",
1157                     G_CALLBACK(on_window_destroy), context);                     G_CALLBACK(on_window_destroy), context);
1158    
1159    gtk_container_add(GTK_CONTAINER(window), hbox);    /* connect a key handler to forward global shortcuts (function keys) */
1160    gtk_widget_show_all(GTK_WIDGET(window));    /* to the ap widget */
1161      g_signal_connect(G_OBJECT(context->window), "key_press_event",
1162  #else                     G_CALLBACK(on_map_window_key_press), context->widget);
1163    gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox);  
1164    gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);    gtk_container_add(GTK_CONTAINER(context->window), context->widget);
1165    gtk_widget_show_all(dialog);    gtk_widget_show_all(GTK_WIDGET(context->window));
1166    gtk_dialog_run(GTK_DIALOG(dialog));  
1167    save_map_state(context);    /* setup cache state */
1168    gtk_timeout_remove(context->handler_id);    map_setup(context);
   gtk_widget_destroy(dialog);  
   g_free(context);  
 #endif  
1169  }  }
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