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

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revision 51 by harbaum, Wed Aug 12 12:16:05 2009 UTC revision 238 by harbaum, Sat Dec 12 12:54:37 2009 UTC
# Line 1  Line 1 
1  /*  /*
2   * Copyright (C) 2008 Till Harbaum <till@harbaum.org>.   * Copyright (C) 2008-2009 Till Harbaum <till@harbaum.org>.
3   *   *
4   * This file is part of GPXView.   * This file is part of GPXView.
5   *   *
# Line 17  Line 17 
17   * along with GPXView.  If not, see <http://www.gnu.org/licenses/>.   * along with GPXView.  If not, see <http://www.gnu.org/licenses/>.
18   */   */
19    
20    /*
21     * http://topo.geofabrik.de/relief/${z}/${x}/${y}.png  8-15
22     * http://topo.geofabrik.de/trail/${z}/${x}/${y}.png   8-15
23     */
24    
25    /*
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>
 #define EQ_RADIUS     (6378137.0)  
   
 #define RAD2DEG(a)  (((a)*180.0)/M_PI)  
 #define DEG2RAD(a)  (((a)*M_PI)/180.0)  
   
 typedef struct {  
   appdata_t *appdata;  
   GtkWidget *widget;  
   GtkWidget *zoomin, *zoomout, *gps;  
   gint handler_id;  
   cache_t *press_on;  
 #if MAEMO_VERSION_MAJOR == 5  
   GtkWidget *old_view;  
42  #endif  #endif
43  } map_context_t;  
44    /* default values */
45    #define MAP_SOURCE  OSM_GPS_MAP_SOURCE_OPENCYCLEMAP
46    #define GPS_DEFAULT_ZOOM 13
47    
48  #define PROXY_KEY  "/system/http_proxy/"  #define PROXY_KEY  "/system/http_proxy/"
49    
# Line 51  static const char *get_proxy_uri(appdata Line 53  static const char *get_proxy_uri(appdata
53    /* use environment settings if preset */    /* use environment settings if preset */
54    const char *proxy = g_getenv("http_proxy");    const char *proxy = g_getenv("http_proxy");
55    if(proxy) {    if(proxy) {
56      printf("http_proxy: %s\n", proxy);      printf("map http proxy from env: %s\n", proxy);
57      return proxy;      return proxy;
58    }    }
59    
# Line 72  static const char *get_proxy_uri(appdata Line 74  static const char *get_proxy_uri(appdata
74    
75        snprintf(proxy_buffer, sizeof(proxy_buffer),        snprintf(proxy_buffer, sizeof(proxy_buffer),
76                 "http://%s:%u", host, port);                 "http://%s:%u", host, port);
77          printf("map http proxy from gconf: %s\n ", proxy_buffer);
78    
79        g_free(host);        g_free(host);
80      }      }
# Line 81  static const char *get_proxy_uri(appdata Line 84  static const char *get_proxy_uri(appdata
84    return NULL;    return NULL;
85  }  }
86    
87  static void map_zoom(map_context_t *context, int step) {  static void
88    gint zoom;  cb_map_gps(osd_button_t but, map_context_t *context) {
   OsmGpsMap *map = OSM_GPS_MAP(context->widget);  
   g_object_get(map, "zoom", &zoom, NULL);  
   zoom = osm_gps_map_set_zoom(map, zoom+step);  
   
   /* enable/disable zoom buttons as required */  
   gtk_widget_set_sensitive(context->zoomin, zoom<17);  
   gtk_widget_set_sensitive(context->zoomout, zoom>1);  
89    
90    /* save new zoom */    if(but == OSD_GPS) {
91    context->appdata->map.zoom = zoom;      printf("clicked OSD_GPS %p\n", context);
92  }      printf("clicked OSD_GPS a %p\n", context->appdata);
93    
94  static gboolean      pos_t *refpos = get_pos(context->appdata);
95  cb_map_zoomin(GtkButton *button, map_context_t *context) {      if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
96    map_zoom(context, +1);        gint zoom;
97    return FALSE;        g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL);
98  }        if(zoom < 10)
99            osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
100  static gboolean                                    refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM);
101  cb_map_zoomout(GtkButton *button, map_context_t *context) {        else
102    map_zoom(context, -1);          osm_gps_map_set_center(OSM_GPS_MAP(context->widget),
103    return FALSE;                                 refpos->lat, refpos->lon);
 }  
104    
105  static gboolean        /* re-enable centering */
106  cb_map_gps(GtkButton *button, map_context_t *context) {        g_object_set(context->widget, "auto-center", TRUE, NULL);
107    pos_t *refpos = get_pos(context->appdata);      } else {
108    if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {        /* no coordinates given: display the entire world */
109      osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),        osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
110                        refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM);                                  0.0, 0.0, 1);
111    } else {      }
     /* no coordinates given: display the entire world */  
     osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),  
                               0.0, 0.0, 1);  
112    }    }
   
   return FALSE;  
113  }  }
114    
115  static GtkWidget  static int dist2pixel(map_context_t *context, float km, float lat) {
116  *map_add_button(int icon, GCallback cb, gpointer data,    return 1000.0*km/osm_gps_map_get_scale(OSM_GPS_MAP(context->widget));
                 char *tooltip) {  
   GtkWidget *button = gtk_button_new();  
   gtk_button_set_image(GTK_BUTTON(button), icon_get_widget(ICON_MISC, icon));  
   g_signal_connect(button, "clicked", cb, data);  
 #ifndef USE_MAEMO  
   gtk_widget_set_tooltip_text(button, tooltip);  
 #endif  
   return button;  
117  }  }
118    
119  static gboolean map_gps_update(gpointer data) {  static gboolean map_gps_update(gpointer data) {
120    map_context_t *context = (map_context_t*)data;    map_context_t *context = (map_context_t*)data;
121    
122    #ifdef USE_MAEMO
123      if(context->appdata->goto_disable_screensaver)
124        if(osso_display_blanking_pause(context->appdata->osso_context) != OSSO_OK)
125          fprintf(stderr, "error with display blank\n");
126    #endif
127    
128    /* get reference position ... */    /* get reference position ... */
129    pos_t *refpos = get_pos(context->appdata);    pos_t *refpos = get_pos(context->appdata);
130    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);
131    
132    /* ... and enable "goto" button if it's valid */    /* ... and enable "goto" button if it's valid */
133    gtk_widget_set_sensitive(context->gps, ok);    if(ok != context->goto_is_enabled) {
134        osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget),
135                    OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context);
136        context->goto_is_enabled = ok;
137      }
138    
139    if(ok) {    if(ok) {
140      float heading = context->appdata->use_gps?      float heading = NAN;
141        gps_get_heading(context->appdata):NAN;      int radius = 0;
142    
143     osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),      if(context->appdata->use_gps) {
144          heading = gps_get_heading(context->appdata);
145    
146          /* get error */
147          float eph = gps_get_eph(context->appdata);
148          if(!isnan(eph))
149            radius = dist2pixel(context, eph/1000, refpos->lat);
150        }
151    
152        /* TODO: in order to save energy: only draw if state actually changed */
153    
154        g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL);
155        osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),
156                           refpos->lat, refpos->lon, heading);                           refpos->lat, refpos->lon, heading);
157    } else    } else
158      osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget));      osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget));
# Line 156  static gboolean map_gps_update(gpointer Line 160  static gboolean map_gps_update(gpointer
160    return TRUE;    return TRUE;
161  }  }
162    
163  static gboolean on_map_configure(GtkWidget *widget,  static void map_draw_cache(GtkWidget *map, cache_t *cache, gboolean semi) {
164                                   GdkEventConfigure *event,    int type = semi?ICON_CACHE_TYPE_SEMI:ICON_CACHE_TYPE;
                                  map_context_t *context) {  
165    
166    /* set default values if they are invalid */    GdkPixbuf *icon = icon_get(type, cache->type);
167    if(!context->appdata->map.zoom ||    GdkPixbuf *over = NULL;
      isnan(context->appdata->map.pos.lat) ||  
      isnan(context->appdata->map.pos.lon)) {  
     printf("no valid map position found\n");  
   
     pos_t *refpos = get_pos(context->appdata);  
     if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {  
       /* use gps position if present */  
       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;  
     }  
   }  
168    
169    /* jump to initial position */    if(cache->mine)                   over = icon_get(type, 14);
170    osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),    else if(cache->found)             over = icon_get(type, 12);
171                              context->appdata->map.pos.lat,    else if(cache->notes) {
172                              context->appdata->map.pos.lon,      if(cache->notes->found)         over = icon_get(type, 12);
173                              context->appdata->map.zoom);      else if(cache->notes->override) over = icon_get(type, 11);
174        else                            over = icon_get(type, 13);
175    return FALSE;    }
176  }  
177      pos_t *pos = &cache->pos;
178      /* check if there's also an overwritten coordinate */
179      if(cache->notes && cache->notes->override)
180        pos = &cache->notes->pos;
181    
182  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);  
   
183      osm_gps_map_add_image(OSM_GPS_MAP(map),      osm_gps_map_add_image(OSM_GPS_MAP(map),
184                            cache->pos.lat, cache->pos.lon, icon);                            pos->lat, pos->lon, icon);
185        if(over)
186      cache = cache->next;        osm_gps_map_add_image(OSM_GPS_MAP(map),
187                                pos->lat, pos->lon, over);
188    }    }
189  }  }
190    
191  /* draw a nice popup */  static void map_draw_wpt(GtkWidget *map, cache_t *cache, wpt_t *wpt) {
192  typedef struct {    /* only draw wpts that don't equal the main point */
193    appdata_t *appdata;    if(pos_differ(&cache->pos, &wpt->pos)) {
194    GtkWidget *window;      if(!isnan(wpt->pos.lat) && !isnan(wpt->pos.lon))  {
195    GMainLoop *loop;        GdkPixbuf *icon =
196  } popup_context_t;          icon_get(ICON_WPT, (wpt->sym!=WPT_SYM_UNKNOWN)?
197                     wpt->sym:WPT_SYM_REFPOINT);
198  /* draw shape */  
199  #define ARROW_BORDER   20        osm_gps_map_add_image(OSM_GPS_MAP(map),
200  #define CORNER_RADIUS  10                              wpt->pos.lat, wpt->pos.lon, icon);
201        }
 #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;  
202    }    }
   
   return FALSE;  
203  }  }
204    
205  static gboolean  static void map_draw_gpx(appdata_t *appdata, cache_display_t *caches,
206  on_button_press_event(GtkWidget *widget,                           GtkWidget *map, gpx_t *gpx,
207                            GdkEventButton *event, popup_context_t *context) {                           cache_t *nav, gboolean semi) {
208    gboolean in = pointer_in_window(widget, event->x_root, event->y_root);    if(!gpx->notes_loaded) {
209        notes_load_all(appdata, gpx);
210    printf("overlay button press (in = %d)\n", in);      gpx->notes_loaded = TRUE;
   return !in;  
 }  
   
 static gboolean  
 on_button_release_event(GtkWidget *widget,  
                           GdkEventButton *event, popup_context_t *context) {  
   gboolean in = pointer_in_window(widget, event->x_root, event->y_root);  
   
   printf("overlay button release (in = %d)\n", in);  
   
   if(!in) {  
     printf("destroying popup\n");  
     gtk_widget_destroy(gtk_widget_get_toplevel(widget));  
211    }    }
212    
213    return !in;    cache_t *cache = gpx->cache;
214  }    while(cache) {
215        /* search if we have that cache already in our list/displayed */
216  static void      int i=0;
217  shutdown_loop(popup_context_t *context) {      while(caches[i].id && (strcmp(caches[i].id, cache->id) != 0))
218    if(g_main_loop_is_running(context->loop))        i++;
219      g_main_loop_quit(context->loop);  
220  }      if(!caches[i].id) {
221          /* if nav is given draw all other caches semitransparent. */
222  static gint        /* if nav is not given do what semi sais */
223  run_delete_handler(GtkWindow *window, GdkEventAny *event,        map_draw_cache(map, cache, nav?(cache != nav):semi);
224                     popup_context_t *context) {        caches[i].id = cache->id;
225    shutdown_loop(context);  
226    return TRUE; /* Do not destroy */        /* also draw waypoints of nav cache */
227  }        if(nav && cache == nav) {
228            wpt_t *wpt = cache->wpt;
229  static void          while(wpt) {
230  run_destroy_handler(GtkWindow *window, popup_context_t *context) {            map_draw_wpt(map, cache, wpt);
231    /* shutdown_loop will be called by run_unmap_handler */            wpt = wpt->next;
232    printf("popup destroyed\n");          }
233  }        }
234        }
235    
236  static void      cache = cache->next;
237  run_unmap_handler(GtkWindow *window, popup_context_t *context) {    }
   shutdown_loop(context);  
238  }  }
239    
240  static void popup_window_shape(GtkWidget *window, int tip_x, int tip_y) {  /* draw geocaches and set window title */
241    GdkBitmap *mask = gdk_pixmap_new(NULL, POPUP_WIDTH, POPUP_HEIGHT, 1);  static void map_setup(map_context_t *context) {
242      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;  
243    
244    gdk_draw_rectangle(mask, gc, TRUE,    int cache_num = gpx_total_caches_global(context->appdata->gpx);
                      0, tip_offset + CORNER_RADIUS,  
                      POPUP_WIDTH,  
                      POPUP_HEIGHT - 2*CORNER_RADIUS - ARROW_BORDER);  
245    
246    gdk_draw_rectangle(mask, gc, TRUE,    if(context->caches_displayed && (cache_num != context->cache_list_len)) {
247                       CORNER_RADIUS, tip_offset,      //    printf("re-alloc because %p %d/%d\n", context->caches_displayed,
248                       POPUP_WIDTH  - 2*CORNER_RADIUS,      //     cache_num, context->cache_list_len);
249                       POPUP_HEIGHT - ARROW_BORDER);      g_free(context->caches_displayed);
250        context->caches_displayed = NULL;
251    int off[][2] = {      context->cache_list_len = 0;
252            { CORNER_RADIUS,               tip_offset + CORNER_RADIUS },    }
253            { POPUP_WIDTH - CORNER_RADIUS, tip_offset + CORNER_RADIUS },  
254            { POPUP_WIDTH - CORNER_RADIUS,    /* allocate buffer */
255              POPUP_HEIGHT - CORNER_RADIUS - ARROW_BORDER + tip_offset},    if(cache_num && !context->caches_displayed) {
256            { CORNER_RADIUS,      context->cache_list_len = cache_num;
257              POPUP_HEIGHT - CORNER_RADIUS  - ARROW_BORDER + tip_offset}};      context->caches_displayed = g_new0(cache_display_t, cache_num+1);
258        printf("allocated space to handle %d map icons\n", cache_num);
259      }
260    
261      if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
262        if(context->state != MAP_ALL) {
263          printf("map_setup(ALL)\n");
264    
265          /* clear any pending balloon */
266          context->balloon = NULL;
267          osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
268    
269    #ifdef OSD_NAV
270          /* no navigation in this mode */
271          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
272    #endif
273    
274          /* clear all existing cache images */
275          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
276          memset(context->caches_displayed, 0,
277                 (cache_num+1) * sizeof(cache_display_t));
278    
279          /* draw all geocaches and none is semi-transparent */
280          gpx_t *gpx = context->appdata->gpx;
281          while(gpx) {
282            map_draw_gpx(context->appdata, context->caches_displayed,
283                         context->widget, gpx, NULL, FALSE);
284            gpx = gpx->next;
285          }
286    
287          {
288            int i=0;
289            while(context->caches_displayed[i].id) i++;
290            printf("number of caches actually displayed: %d\n", i);
291          }
292    
293    int i;        name = g_strdup(_("all"));
294    for(i=0;i<4;i++) {        context->state = MAP_ALL;
295      gdk_draw_arc(mask, gc, TRUE,      }
296                   off[i][0]-CORNER_RADIUS, off[i][1]-CORNER_RADIUS,    } else if(!context->appdata->cur_cache) {
297                   2*CORNER_RADIUS,         2*CORNER_RADIUS,      if(context->state != MAP_GPX) {
298                   0, 360*64);        printf("map_setup(GPX)\n");
299    }  
300          /* clear any pending balloon */
301    GdkPoint points[3] = { {POPUP_WIDTH*1/3, POPUP_HEIGHT/2},        context->balloon = NULL;
302                           {POPUP_WIDTH*2/3, POPUP_HEIGHT/2},        osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
303                           {tip_x,tip_y} };  
304    gdk_draw_polygon(mask, gc, TRUE, points, 3);  #ifdef OSD_NAV
305          /* no navigation in this mode */
306          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
307    #endif
308    
309          /* clear all existing cache images */
310          osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
311          memset(context->caches_displayed, 0,
312                 (cache_num+1) * sizeof(cache_display_t));
313    
314          /* draw all geocaches and all other gpx files are semi-transparent */
315          map_draw_gpx(context->appdata, context->caches_displayed,
316                       context->widget, context->appdata->cur_gpx, NULL, FALSE);
317    
318          gpx_t *gpx = context->appdata->gpx;
319          while(gpx) {
320            if(gpx != context->appdata->cur_gpx)
321              map_draw_gpx(context->appdata, context->caches_displayed,
322                           context->widget, gpx, NULL, TRUE);
323    
324            gpx = gpx->next;
325          }
326    
327    gdk_window_shape_combine_mask(window->window, mask, 0, 0);        name = g_strdup(context->appdata->cur_gpx->name);
328  }        context->state = MAP_GPX;
329        }
330      } else {
331        cache_t *cache = context->appdata->cur_cache;
332    
333        printf("map_setup(CACHE)\n");
334    
335        /* clear any pending balloon */
336        context->balloon = NULL;
337        osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
338    
339        /* clear all existing ccahe images */
340        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
341        memset(context->caches_displayed, 0,
342               (cache_num+1) * sizeof(cache_display_t));
343    
344        /* draw all geocaches and all but selected one are semi-transparent */
345        gpx_t *gpx = context->appdata->gpx;
346        while(gpx) {
347          map_draw_gpx(context->appdata, context->caches_displayed,
348                       context->widget, gpx, cache, FALSE);
349          gpx = gpx->next;
350        }
351    
352  /* create a left aligned label (normal ones are centered) */      name = g_strdup(cache->name);
353  static GtkWidget *gtk_label_left_new(char *str) {      context->state = MAP_CACHE;
354    GtkWidget *label = gtk_label_new(str);  
355    gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f);      /* navigation in this mode! */
356    return label;      pos_t cpos = gpx_cache_pos(cache);
 }  
357    
358  /* the small labels are actually only on maemo small */  #ifdef OSD_NAV
359  #ifdef USE_MAEMO      osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget),
360  #define MARKUP_SMALL "<span size='small'>%s</span>"                                context->appdata->imperial,
361  GtkWidget *gtk_label_small_left_new(char *str) {                                cpos.lat, cpos.lon, cache->name);
   GtkWidget *label = gtk_label_new("");  
   char *markup = g_markup_printf_escaped(MARKUP_SMALL, str);  
   gtk_label_set_markup(GTK_LABEL(label), markup);  
   g_free(markup);  
   gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f);  
   return label;  
 }  
 #define gtk_label_big_left_new(a) gtk_label_left_new(a)  
362  #else  #else
363  #define gtk_label_small_left_new(a) gtk_label_left_new(a)  #warning OSD_NAV not defined!
 #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;  
 }  
 #endif  
   
 void cache_popup(map_context_t *mcontext, cache_t *cache) {  
   popup_context_t pcontext;  
   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;  
   
   if(sy > mcontext->widget->allocation.height/2)  
     ay = POPUP_HEIGHT;  
   
 #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5)  
   GdkColor color;  
   gdk_color_parse("darkgray", &color);  
   gtk_widget_modify_bg(GTK_WIDGET(pcontext.window), GTK_STATE_NORMAL, &color);  
364  #endif  #endif
   
   gtk_window_move(GTK_WINDOW(pcontext.window),  
                   x + mcontext->widget->allocation.x + sx - ax,  
                   y + mcontext->widget->allocation.y + sy - ay);  
   
   
   GtkWidget *alignment = gtk_alignment_new(0.5, 0.5, 1.0, 1.0);  
   gtk_alignment_set_padding(GTK_ALIGNMENT(alignment),  
                             CORNER_RADIUS/2 + (ay?0:ARROW_BORDER),  
                             CORNER_RADIUS/2 + (ay?ARROW_BORDER:0),  
                             CORNER_RADIUS, CORNER_RADIUS);  
   
   /* --- actual content ---- */  
   GtkWidget *vbox = gtk_vbox_new(FALSE, 0);  
   
   if(cache->id) {  
     GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);  
   
     gtk_box_pack_start(GTK_BOX(ihbox),  
        icon_get_widget(ICON_CACHE_TYPE, cache->type),  
        FALSE, FALSE, 5);  
   
     gtk_box_pack_start_defaults(GTK_BOX(ihbox),  
                 gtk_label_big_left_new(cache->id));  
   
     gtk_box_pack_start_defaults(GTK_BOX(vbox), ihbox);  
   }  
   
   if(cache->name) {  
     GtkWidget *label = gtk_label_small_left_new(cache->name);  
     gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END);  
     gtk_box_pack_start_defaults(GTK_BOX(vbox), label);  
365    }    }
366    
367    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);    /* also mark geomath position */
   if(cache->terrain) {  
     GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);  
     gtk_box_pack_start(GTK_BOX(ihbox),  
        gtk_label_small_left_new(_("Terrain:")), FALSE, FALSE, 0);  
     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);  
   }  
   
   if(cache->difficulty) {  
     GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);  
     gtk_box_pack_start(GTK_BOX(ihbox),  
        gtk_label_small_left_new(_("Difficulty:")), FALSE, FALSE, 0);  
     gtk_box_pack_start(GTK_BOX(ihbox),  
        icon_get_widget(ICON_STARS, (int)(cache->difficulty*2-2)),  
        FALSE, FALSE, 5);  
     gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox);  
   }  
   
   gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);  
   
   gtk_container_add(GTK_CONTAINER(alignment), vbox);  
   /* ----------------------- */  
   
368    
369    gtk_container_add(GTK_CONTAINER(pcontext.window), alignment);    /* remove all existing appearances of this icon first */
370      osm_gps_map_remove_image(OSM_GPS_MAP(context->widget),
371                               icon_get(ICON_MISC, 4));
372    
373    /* give window its shape */    if(!isnan(context->appdata->geomath.lat) &&
374    popup_window_shape(pcontext.window, ax, ay);       !isnan(context->appdata->geomath.lon))  {
375    
376    gtk_widget_show_all(pcontext.window);      osm_gps_map_add_image(OSM_GPS_MAP(context->widget),
377                              context->appdata->geomath.lat,
378    /* handle this popup until it's gone */                            context->appdata->geomath.lon,
379                              icon_get(ICON_MISC, 4));
380    pcontext.loop = g_main_loop_new(NULL, FALSE);    }
   
   GDK_THREADS_LEAVE();  
   g_main_loop_run(pcontext.loop);  
   GDK_THREADS_ENTER();  
381    
382    g_main_loop_unref(pcontext.loop);    if(name) {
383        char *title = g_strdup_printf(_("Map - %s"), name);
384        g_free(name);
385    
386    printf("cache popup removed\n");      gtk_window_set_title(GTK_WINDOW(context->window), title);
387    
388        g_free(title);
389      } else
390        printf("map_setup(keep)\n");
391  }  }
392    
393  static void  static void
394  map_cachelist_nearest(cache_t *cache, pos_t *pos,  map_cachelist_nearest(cache_t *cache, pos_t *pos,
395                        cache_t **result, float *distance) {                        cache_t **result, float *distance) {
396    
397    while(cache) {    while(cache) {
398        pos_t cpos = gpx_cache_pos(cache);
399    
400      float dist =      float dist =
401        pow(cache->pos.lat - pos->lat, 2) +        pow(cpos.lat - pos->lat, 2) +
402        pow(cache->pos.lon - pos->lon, 2);        pow(cpos.lon - pos->lon, 2);
403    
404      if(!(dist > *distance)) {      if(!(dist > *distance)) {
405        *result = cache;        *result = cache;
# Line 531  static cache_t *map_closest(map_context_ Line 414  static cache_t *map_closest(map_context_
414    cache_t *result = NULL;    cache_t *result = NULL;
415    float distance = NAN;    float distance = NAN;
416    
417  #ifdef USE_MAEMO    if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
   if(!context->appdata->cur_gpx) {  
 #endif  
418      /* search all geocaches */      /* search all geocaches */
419      gpx_t *gpx = context->appdata->gpx;      gpx_t *gpx = context->appdata->gpx;
420      while(gpx) {      while(gpx) {
421        map_cachelist_nearest(gpx->cache, pos, &result, &distance);        map_cachelist_nearest(gpx->cache, pos, &result, &distance);
422        gpx = gpx->next;        gpx = gpx->next;
423      }      }
424  #ifdef USE_MAEMO    } else if(context->appdata->cur_gpx) {
   } else {  
425      map_cachelist_nearest(context->appdata->cur_gpx->cache,      map_cachelist_nearest(context->appdata->cur_gpx->cache,
426                            pos, &result, &distance);                            pos, &result, &distance);
427    }    } else
428  #endif      result = context->appdata->cur_gpx->cache;
429    
430    return result;    return result;
431  }  }
# Line 553  static cache_t *map_closest(map_context_ Line 433  static cache_t *map_closest(map_context_
433  /* translate between osm-gps-map positions and gpxview ones */  /* translate between osm-gps-map positions and gpxview ones */
434  pos_t coord2pos(coord_t coo) {  pos_t coord2pos(coord_t coo) {
435    pos_t pos;    pos_t pos;
436    pos.lat = RAD2DEG(coo.rlat);    pos.lat = rad2deg(coo.rlat);
437    pos.lon = RAD2DEG(coo.rlon);    pos.lon = rad2deg(coo.rlon);
438    return pos;    return pos;
439  }  }
440    
 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;  
 }  
   
441  #define CLICK_FUZZ (24)  #define CLICK_FUZZ (24)
442    
443  static gboolean  static gboolean
444  on_map_button_press_event(GtkWidget *widget,  on_map_button_press_event(GtkWidget *widget,
445                              GdkEventButton *event, map_context_t *context) {                              GdkEventButton *event, map_context_t *context) {
446    
447    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
448    
449      /* check if we actually clicked parts of the OSD */
450      if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE)
451        return FALSE;
452    
453    /* got a press event without release event? eat it! */    /* got a press event without release event? eat it! */
454    if(context->press_on != NULL) {    if(context->press_on != NULL) {
455      printf("PRESS: already\n");      printf("PRESS: already\n");
456      return TRUE;      return FALSE;
457    }    }
458    
459    pos_t pos =    pos_t pos =
# Line 587  on_map_button_press_event(GtkWidget *wid Line 461  on_map_button_press_event(GtkWidget *wid
461    
462    cache_t *nearest = map_closest(context, &pos);    cache_t *nearest = map_closest(context, &pos);
463    if(nearest) {    if(nearest) {
464      float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);      pos_t cpos = gpx_cache_pos(nearest);
465      if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ)  
466        float dist = gpx_pos_get_distance(pos, cpos, FALSE);
467        if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ)
468        context->press_on = nearest;        context->press_on = nearest;
469    }    }
470    
471    return FALSE;    return FALSE;
472  }  }
473    
474    static void
475    cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf *buf, gint x, gint y) {
476      /* convert the pixbuf into something cairo can handle */
477    
478      // Create a new ImageSurface
479      cairo_surface_t *image_surface =
480        cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
481                                   gdk_pixbuf_get_width(buf),
482                                   gdk_pixbuf_get_height(buf));
483    
484      // Create the new Context for the ImageSurface
485      g_assert(image_surface);
486      cairo_t *context = cairo_create(image_surface);
487    
488      // Draw the image on the new Context
489      gdk_cairo_set_source_pixbuf(context, buf, 0.0, 0.0);
490      cairo_paint(context);
491    
492      // now draw this onto the original context
493      cairo_set_source_surface(cr, image_surface, x, y);
494    
495      cairo_paint(cr);
496    }
497    
498    #ifndef BIG_BALLOONS
499    #define ICON_SIZE  ICON_CACHE_TYPE
500    #else
501    #define ICON_SIZE  ICON_CACHE_TYPE_1_5X
502    #endif
503    
504    #ifndef BIG_BALLOONS
505    #define FONT_SIZE 14.0
506    #else
507    #define FONT_SIZE 22.0
508    #endif
509    #define LINE_SKIP  (FONT_SIZE/4)
510    
511    
512    static void
513    balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) {
514      printf("balloon event: ");
515    
516      map_context_t *context = (map_context_t*)data;
517      cache_t *cache = context->balloon;
518    
519      if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) {
520        printf("draw\n");
521    
522    #if 0
523        /* draw pink background to check clipping */
524        cairo_rectangle (event->data.draw.cr,
525                         event->data.draw.rect->x-20, event->data.draw.rect->y-20,
526                         event->data.draw.rect->w+40, event->data.draw.rect->h+40);
527        cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3);
528        cairo_fill_preserve (event->data.draw.cr);
529        cairo_set_line_width (event->data.draw.cr, 0);
530        cairo_stroke (event->data.draw.cr);
531    #endif
532    
533        /* leave a little border top and left */
534        gint x = event->data.draw.rect->x, y = event->data.draw.rect->y;
535    
536        /* draw the cache type icon ... */
537        GdkPixbuf *icon = icon_get(ICON_SIZE, cache->type);
538        cairo_draw_pixbuf(event->data.draw.cr, icon, x, y);
539    
540        if(cache->notes && cache->notes->override) {
541          GdkPixbuf *over = icon_get(ICON_SIZE, 11);
542          cairo_draw_pixbuf(event->data.draw.cr, over, x, y);
543        }
544    
545        /* ... and right of it the waypoint id */
546        cairo_text_extents_t extents;
547    
548        if(cache->id) {
549          cairo_select_font_face (event->data.draw.cr, "Sans",
550                                  CAIRO_FONT_SLANT_NORMAL,
551                                  CAIRO_FONT_WEIGHT_BOLD);
552    
553    #ifndef BIG_BALLOONS
554          cairo_set_font_size (event->data.draw.cr, 20.0);
555    #else
556          cairo_set_font_size (event->data.draw.cr, 36.0);
557    #endif
558    
559          cairo_text_extents (event->data.draw.cr, cache->id, &extents);
560    
561          /* display id right of icon vertically centered */
562          x += gdk_pixbuf_get_width(icon) + 5;
563          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
564          cairo_move_to (event->data.draw.cr, x, y);
565          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
566          cairo_show_text (event->data.draw.cr, cache->id);
567          cairo_stroke (event->data.draw.cr);
568    
569          y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP;
570        } else
571          y += gdk_pixbuf_get_height(icon);
572    
573        /* return to the left border and below icon/text */
574        x = event->data.draw.rect->x;
575    
576        /* everything from here uses the same font */
577        cairo_select_font_face (event->data.draw.cr, "Sans",
578                                CAIRO_FONT_SLANT_NORMAL,
579                                CAIRO_FONT_WEIGHT_NORMAL);
580    
581        cairo_set_font_size (event->data.draw.cr, FONT_SIZE);
582    
583        if(cache->name) {
584          /* draw cache name */
585          cairo_text_extents (event->data.draw.cr, cache->name, &extents);
586          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing);
587          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
588          cairo_show_text (event->data.draw.cr, cache->name);
589          cairo_stroke (event->data.draw.cr);
590    
591          /* return to the left border and below text */
592          y += LINE_SKIP + FONT_SIZE;
593          x = event->data.draw.rect->x;
594        }
595    
596        if(cache->terrain) {
597          int text_y = 0, icon_y = 0;
598    
599          /* draw cache rating */
600          const char *terrain = "Terrain:";
601          icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2));
602          cairo_text_extents (event->data.draw.cr, _(terrain), &extents);
603    
604          if(gdk_pixbuf_get_height(icon) > FONT_SIZE)
605            text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2;
606          else
607            icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2;
608    
609          /* draw "Terrain:" string */
610          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y);
611          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
612          cairo_show_text (event->data.draw.cr, _(terrain));
613          cairo_stroke (event->data.draw.cr);
614          x += extents.width + 2;
615    
616          /* draw terrain stars */
617          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y);
618    
619          x += gdk_pixbuf_get_width(icon) + FONT_SIZE/2;
620        }
621    
622        if(cache->difficulty) {
623          int text_y = 0, icon_y = 0;
624    
625          const char *difficulty = "Difficulty:";
626          icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2));
627          cairo_text_extents (event->data.draw.cr, _(difficulty), &extents);
628    
629          if(gdk_pixbuf_get_height(icon) > FONT_SIZE)
630            text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2;
631          else
632            icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2;
633    
634          /* draw "Difficulty:" string */
635          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y);
636          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
637          cairo_show_text (event->data.draw.cr, _(difficulty));
638          cairo_stroke (event->data.draw.cr);
639          x += extents.width + 2;
640    
641          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y);
642        }
643    
644        /* draw container info */
645        /* TODO ... */
646    
647    
648      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) {
649        printf("click %s event at %d %d\n",
650               event->data.click.down?"down":"up",
651               event->data.click.x, event->data.click.y);
652    
653        /* make the main screen jump to that cache */
654        if(!event->data.click.down) {
655          if(context->appdata->cur_cache) {
656            printf("ERROR: no current cache should be visible!\n");
657          } else {
658            gpx_t *is_in = NULL;
659    
660            if(!context->appdata->cur_gpx) {
661              printf("click while in \"all\" view\n");
662    
663              /* we first need to figure out which gpx file this cache */
664              /* is in so we can open it first */
665              gpx_t *gpx = context->appdata->gpx;
666              while(gpx && !is_in) {
667                cache_t *cur = gpx->cache;
668                while(cur && !is_in) {
669                  if(cur == cache)
670                    is_in = gpx;
671                  cur = cur->next;
672                }
673                gpx = gpx->next;
674              }
675    
676              if(is_in)
677                gpxlist_goto_cachelist(context->appdata, is_in);
678    
679            } else
680              /* the simple case: there already is an open gpx file and */
681              /* we just jump into the "cache" view */
682              is_in = context->appdata->cur_gpx;
683    
684            if(is_in) {
685              printf("selecting %s in %s\n",
686                     cache->id,
687                     context->appdata->cur_gpx->name);
688    
689              cachelist_goto_cache(context->appdata, cache);
690    
691              /* give focus to main screen (important for maemo) */
692              printf("raising main window\n");
693              gtk_window_present(GTK_WINDOW(context->appdata->window));
694            }
695          }
696        }
697      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) {
698        printf("removed\n");
699        context->balloon = NULL;
700      }
701    }
702    
703  static gboolean  static gboolean
704  on_map_button_release_event(GtkWidget *widget,  on_map_button_release_event(GtkWidget *widget,
705                              GdkEventButton *event, map_context_t *context) {                              GdkEventButton *event, map_context_t *context) {
706    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
707    
708      /* in "MAP_CACHE" state only one cache is visible */
709      /* and the map is in navigation mode. the balloon is */
710      /* pretty useless there */
711    if(context->press_on) {    if(context->press_on) {
712    
713        coord_t coo;
714        coo = osm_gps_map_get_co_ordinates(map, event->x, event->y);
715    
716      pos_t pos =      pos_t pos =
717        coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));        coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
718    
719      cache_t *nearest = map_closest(context, &pos);      cache_t *nearest = map_closest(context, &pos);
720      if(nearest && nearest == context->press_on) {      if(nearest && nearest == context->press_on) {
721        float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);        pos_t cpos = gpx_cache_pos(nearest);
722        if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ)  
723          cache_popup(context, nearest);        float dist = gpx_pos_get_distance(pos, cpos, FALSE);
724          if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) {
725    
726            context->balloon = nearest;
727            osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon,
728                                         balloon_cb, context);
729          }
730      }      }
731      context->press_on = NULL;      context->press_on = NULL;
732    } else {    } else {
# Line 622  on_map_button_release_event(GtkWidget *w Line 740  on_map_button_release_event(GtkWidget *w
740    return FALSE;    return FALSE;
741  }  }
742    
743  static void save_map_state(map_context_t *context) {  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {
744      appdata_t *appdata = context->appdata;
745    
746    /* save map parameters */    /* save map parameters */
747    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
748    gint zoom;    gint zoom;
# Line 633  static void save_map_state(map_context_t Line 753  static void save_map_state(map_context_t
753    g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);    g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);
754    context->appdata->map.pos.lat = lat;    context->appdata->map.pos.lat = lat;
755    context->appdata->map.pos.lon = lon;    context->appdata->map.pos.lon = lon;
 }  
756    
757  #if MAEMO_VERSION_MAJOR == 5    gint source;
758  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {    g_object_get(map, "map-source", &source, NULL);
759    printf("destroy map view\n");    context->appdata->map.source = source;
   
   save_map_state(context);  
760    
761    #if MAEMO_VERSION_MAJOR == 5
762    /* restore cur_view */    /* restore cur_view */
763    context->appdata->cur_view = context->old_view;    context->appdata->cur_view = context->old_view;
764    #endif
765    
766    gtk_timeout_remove(context->handler_id);    gtk_timeout_remove(context->handler_id);
767      gps_unregister_callback(appdata, context->cb_id);
768    
769      if(context->caches_displayed) {
770        g_free(context->caches_displayed);
771        context->caches_displayed = NULL;
772      }
773    
774      printf("destroy map context\n");
775    g_free(context);    g_free(context);
776      appdata->map.context = NULL;
777    }
778    
779    #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
780    /* get access to zoom buttons */
781    static void
782    on_window_realize(GtkWidget *widget, gpointer data) {
783      if (widget->window) {
784        unsigned char value = 1;
785        Atom hildon_zoom_key_atom =
786          gdk_x11_get_xatom_by_name("_HILDON_ZOOM_KEY_ATOM"),
787          integer_atom = gdk_x11_get_xatom_by_name("INTEGER");
788        Display *dpy =
789          GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(widget->window));
790        Window w = GDK_WINDOW_XID(widget->window);
791    
792        XChangeProperty(dpy, w, hildon_zoom_key_atom,
793                        integer_atom, 8, PropModeReplace, &value, 1);
794      }
795  }  }
796  #endif  #endif
797    
798  void map(appdata_t *appdata) {  /* on maemo a window is either on top or completely invisible. this */
799    map_context_t *context = g_new0(map_context_t, 1);  /* means that we only need to update the map window if its raised.  */
800    context->appdata = appdata;  /* on ordinary desktops this is different and we always update */
801    
802    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);  static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event,
803                             gpointer data) {
804      map_context_t *context = (map_context_t*)data;
805    
806    char *path = g_strdup_printf("%s/map/", appdata->image_path);    printf("map got focus\n");
   const char *proxy = get_proxy_uri(appdata);  
807    
808    context->widget = g_object_new(OSM_TYPE_GPS_MAP,  #ifdef USE_MAEMO
809                   "repo-uri",             MAP_SOURCE_OPENSTREETMAP,    /* re-enable refresh of map */
810                   "tile-cache",           path,    if(!context->handler_id)
811                   "auto-center",          FALSE,      context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
812                   "record-trip-history",  FALSE,  #endif
                  "show-trip-history",    FALSE,  
                  NULL);  
813    
814    if(proxy)    map_setup(context);
815      g_object_set(OSM_GPS_MAP(context->widget),    return FALSE;
816                   "proxy-uri", proxy, NULL);  }
817    
818    g_free(path);  static gboolean on_focus_out(GtkWidget *widget, GdkEventFocus *event,
819                             gpointer data) {
820      map_context_t *context = (map_context_t*)data;
821    
822      printf("map lost focus\n");
823    
824      /* save new map position */
825      gfloat lat, lon;
826      g_object_get(widget, "latitude", &lat, "longitude", &lon, NULL);
827    
828      context->appdata->map.pos.lat = lat;
829      context->appdata->map.pos.lon = lon;
830    
   char *name = NULL;  
831  #ifdef USE_MAEMO  #ifdef USE_MAEMO
832    if(!appdata->cur_gpx) {    gtk_timeout_remove(context->handler_id);
833      context->handler_id = 0;
834  #endif  #endif
835      /* draw all geocaches */  
836      gpx_t *gpx = appdata->gpx;    return FALSE;
837      while(gpx) {  }
838        map_draw_cachelist(context->widget, gpx->cache);  
839        gpx = gpx->next;  void map_update(appdata_t *appdata) {
840      }    printf("map_update\n");
841      name = g_strdup(_("all geocaches"));  #ifndef USE_MAEMO
842  #ifdef USE_MAEMO    if(appdata->map.context)
843    } else {      map_setup(appdata->map.context);
     map_draw_cachelist(context->widget, appdata->cur_gpx->cache);  
     name = g_strdup(appdata->cur_gpx->name);  
   }  
844  #endif  #endif
845    }
846    
847    char *title = g_strdup_printf(_("Map - %s"), name);  /* callback called by the gps layer whenever gps state changes */
848    g_free(name);  static void
849    gps_callback(struct gps_state *state, gpointer data) {
850      printf("map: gps callback\n");
851    }
852    
853    void map(appdata_t *appdata) {
854      map_context_t *context = NULL;
855    
856      /* if the map window already exists, just raise it */
857      if(appdata->map.context) {
858        printf("using existing map!\n");
859        gtk_window_present(GTK_WINDOW(appdata->map.context->window));
860        map_setup(appdata->map.context);
861        return;
862      }
863    
864      context = appdata->map.context = g_new0(map_context_t, 1);
865      printf("allocated new context at %p\n", context);
866    
867      context->appdata = appdata;
868      context->state = MAP_NONE;
869    
870      /* cleanup old (pre 0.8.7) path if it exists */
871      char *old_path = g_strdup_printf("%s/map/", appdata->image_path);
872      if(g_file_test(old_path, G_FILE_TEST_IS_DIR)) {
873        printf("old file path %s exists\n", old_path);
874        rmdir_recursive(old_path);
875      }
876    
877      /* It is recommanded that all applications share these same */
878      /* map path, so data is only cached once. The path should be: */
879      /* ~/.osm-gps-map on standard PC     (users home) */
880      /* /home/user/.osm-gps-map on Maemo5 (ext3 on internal card) */
881      /* /media/mmc2/osm-gps-map on Maemo4 (vfat on internal card) */
882    #if !defined(USE_MAEMO)
883      char *p = getenv("HOME");
884      if(!p) p = "/tmp";
885      char *path = g_strdup_printf("%s/.osm-gps-map", p);
886    #else
887  #if MAEMO_VERSION_MAJOR == 5  #if MAEMO_VERSION_MAJOR == 5
888    GtkWidget *window = hildon_stackable_window_new();    char *path = g_strdup("/home/user/.osm-gps-map");
   gtk_window_set_title(GTK_WINDOW(window), title);  
889  #else  #else
890    GtkWidget *dialog = gtk_dialog_new_with_buttons(title,    char *path = g_strdup("/media/mmc2/osm-gps-map");
891                            GTK_WINDOW(appdata->window),  #endif
892                            GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,  #endif
                           GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,  
                           NULL);  
893    
894  #ifndef USE_MAEMO    const char *proxy = get_proxy_uri(appdata);
895    gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 480);  
896      gint source = context->appdata->map.source;
897      if(!source) source = MAP_SOURCE;
898    
899      context->widget = g_object_new(OSM_TYPE_GPS_MAP,
900                     "map-source",               source,
901                     "tile-cache",               path,
902                     "auto-center",              FALSE,
903                     "record-trip-history",      FALSE,
904                     "show-trip-history",        FALSE,
905                     proxy?"proxy-uri":NULL,     proxy,
906                     NULL);
907    
908      g_free(path);
909    
910      osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget));
911    
912      /* set default values if they are invalid */
913      if(!context->appdata->map.zoom ||
914         isnan(context->appdata->map.pos.lat) ||
915         isnan(context->appdata->map.pos.lon)) {
916        printf("no valid map position found\n");
917    
918        pos_t *refpos = get_pos(context->appdata);
919        if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
920          printf("use refpos\n");
921    
922            /* use gps position if present */
923          context->appdata->map.pos = *refpos;
924          context->appdata->map.zoom = GPS_DEFAULT_ZOOM;
925        } else {
926          printf("use zero pos\n");
927    
928          /* use world map otherwise */
929          context->appdata->map.pos.lat = 0.0;
930          context->appdata->map.pos.lon = 0.0;
931          context->appdata->map.zoom = 1;
932        }
933      }
934    
935      osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
936                                context->appdata->map.pos.lat,
937                                context->appdata->map.pos.lon,
938                                context->appdata->map.zoom);
939    
940    #ifdef USE_MAEMO
941      /* we don't use a stackable window here on fremantle, since */
942      /* this leaves the main window independent from the map and */
943      /* the user can e.g. still navigate the main menu */
944      context->window = hildon_window_new();
945    
946    #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
947      g_signal_connect(G_OBJECT(context->window), "realize",
948                       G_CALLBACK(on_window_realize), NULL);
949    #endif // MAEMO_VERSION
950  #else  #else
951    gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480);    context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
952  #endif  #endif
953    
954    #ifndef USE_MAEMO
955      gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480);
956  #endif  #endif
957    
958    g_free(title);    g_signal_connect(G_OBJECT(context->widget), "focus-in-event",
959                       G_CALLBACK(on_focus_in), context);
960    
961    g_signal_connect(G_OBJECT(context->widget), "configure-event",    g_signal_connect(G_OBJECT(context->widget), "focus-out-event",
962                     G_CALLBACK(on_map_configure), context);                     G_CALLBACK(on_focus_out), context);
963    
964    g_signal_connect(G_OBJECT(context->widget), "button-press-event",    g_signal_connect(G_OBJECT(context->widget), "button-press-event",
965                     G_CALLBACK(on_map_button_press_event), context);                     G_CALLBACK(on_map_button_press_event), context);
# Line 721  void map(appdata_t *appdata) { Line 967  void map(appdata_t *appdata) {
967    g_signal_connect(G_OBJECT(context->widget), "button-release-event",    g_signal_connect(G_OBJECT(context->widget), "button-release-event",
968                     G_CALLBACK(on_map_button_release_event), context);                     G_CALLBACK(on_map_button_release_event), context);
969    
   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);  
970    /* install handler for timed updates of the gps button */    /* install handler for timed updates of the gps button */
971    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
972    gtk_box_pack_start(GTK_BOX(vbox), context->gps, FALSE, FALSE, 0);    context->cb_id = gps_register_callback(appdata, gps_callback, context);
   
   gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);  
973    
974  #if MAEMO_VERSION_MAJOR == 5  #if MAEMO_VERSION_MAJOR == 5
975    /* prevent some of the main screen things */    /* prevent some of the main screen things */
976    context->old_view = appdata->cur_view;    context->old_view = appdata->cur_view;
977    appdata->cur_view = NULL;    appdata->cur_view = NULL;
978    #endif
979    
980    g_signal_connect(G_OBJECT(window), "destroy",    g_signal_connect(G_OBJECT(context->window), "destroy",
981                     G_CALLBACK(on_window_destroy), context);                     G_CALLBACK(on_window_destroy), context);
982    
983    gtk_container_add(GTK_CONTAINER(window), hbox);    gtk_container_add(GTK_CONTAINER(context->window), context->widget);
984    gtk_widget_show_all(GTK_WIDGET(window));    gtk_widget_show_all(GTK_WIDGET(context->window));
985    
986  #else    /* setup cache state */
987    gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox);    map_setup(context);
   gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);  
   gtk_widget_show_all(dialog);  
   gtk_dialog_run(GTK_DIALOG(dialog));  
   save_map_state(context);  
   gtk_timeout_remove(context->handler_id);  
   gtk_widget_destroy(dialog);  
   g_free(context);  
 #endif  
988  }  }
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