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

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revision 54 by harbaum, Wed Aug 12 19:20:00 2009 UTC revision 242 by harbaum, Sun Dec 13 19:57:02 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);  
   
   /* save new zoom */  
   context->appdata->map.zoom = zoom;  
 }  
89    
90  static gboolean    if(but == OSD_GPS) {
91  cb_map_zoomin(GtkButton *button, map_context_t *context) {      printf("clicked OSD_GPS %p\n", context);
92    map_zoom(context, +1);      printf("clicked OSD_GPS a %p\n", context->appdata);
   return FALSE;  
 }  
93    
94  static gboolean      pos_t *refpos = get_pos(context->appdata);
95  cb_map_zoomout(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                                      refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM);
101          else
102            osm_gps_map_set_center(OSM_GPS_MAP(context->widget),
103                                   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 = NAN;      float heading = NAN;
# Line 153  static gboolean map_gps_update(gpointer Line 145  static gboolean map_gps_update(gpointer
145    
146        /* get error */        /* get error */
147        float eph = gps_get_eph(context->appdata);        float eph = gps_get_eph(context->appdata);
148        if(!isnan(eph)) {        if(!isnan(eph))
149            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;  
       }  
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);      g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL);
155      osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),      osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget),
156                           refpos->lat, refpos->lon, heading);                           refpos->lat, refpos->lon, heading);
# Line 174  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;
168       isnan(context->appdata->map.pos.lat) ||  
169       isnan(context->appdata->map.pos.lon)) {    if(cache->mine)                   over = icon_get(type, 14);
170      printf("no valid map position found\n");    else if(cache->found)             over = icon_get(type, 12);
171      else if(cache->notes) {
172      pos_t *refpos = get_pos(context->appdata);      if(cache->notes->found)         over = icon_get(type, 12);
173      if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {      else if(cache->notes->override) over = icon_get(type, 11);
174        /* 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;  
     }  
175    }    }
176    
177    /* jump to initial position */    pos_t *pos = &cache->pos;
178    osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),    /* check if there's also an overwritten coordinate */
179                              context->appdata->map.pos.lat,    if(cache->notes && cache->notes->override)
180                              context->appdata->map.pos.lon,      pos = &cache->notes->pos;
                             context->appdata->map.zoom);  
   
   return FALSE;  
 }  
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          /* if nav is not given do what semi sais */
223          map_draw_cache(map, cache, nav?(cache != nav):semi);
224          caches[i].id = cache->id;
225    
226          /* also draw waypoints of nav cache */
227          if(nav && cache == nav) {
228            wpt_t *wpt = cache->wpt;
229            while(wpt) {
230              map_draw_wpt(map, cache, wpt);
231              wpt = wpt->next;
232            }
233          }
234        }
235    
236  static gint      cache = cache->next;
237  run_delete_handler(GtkWindow *window, GdkEventAny *event,    }
                    popup_context_t *context) {  
   shutdown_loop(context);  
   return TRUE; /* Do not destroy */  
238  }  }
239    
240  static void  static cache_t *cache_search_first(gpx_t *gpx, cache_t *cache) {
241  run_destroy_handler(GtkWindow *window, popup_context_t *context) {    while(gpx) {
242    /* shutdown_loop will be called by run_unmap_handler */      cache_t *cur = gpx->cache;
243    printf("popup destroyed\n");      while(cur) {
244  }        /* we do a string comparision to make sure that if copies */
245          /* exist, we get the original one */
246          if(!strcmp(cache->id, cur->id))
247             return cur;
248    
249  static void        cur = cur->next;
250  run_unmap_handler(GtkWindow *window, popup_context_t *context) {      }
251    shutdown_loop(context);      gpx = gpx->next;
252      }
253      g_assert(FALSE);
254      return NULL;
255  }  }
256    
257  static void popup_window_shape(GtkWidget *window, int tip_x, int tip_y) {  /* draw geocaches and set window title */
258    GdkBitmap *mask = gdk_pixmap_new(NULL, POPUP_WIDTH, POPUP_HEIGHT, 1);  static void map_setup(map_context_t *context) {
259      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);  
260    
261    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}};  
262    
263    int i;    if(context->caches_displayed && (cache_num != context->cache_list_len)) {
264    for(i=0;i<4;i++) {      //    printf("re-alloc because %p %d/%d\n", context->caches_displayed,
265      gdk_draw_arc(mask, gc, TRUE,      //     cache_num, context->cache_list_len);
266                   off[i][0]-CORNER_RADIUS, off[i][1]-CORNER_RADIUS,      g_free(context->caches_displayed);
267                   2*CORNER_RADIUS,         2*CORNER_RADIUS,      context->caches_displayed = NULL;
268                   0, 360*64);      context->cache_list_len = 0;
269    }    }
270    
271    GdkPoint points[3] = { {POPUP_WIDTH*1/3, POPUP_HEIGHT/2},    /* allocate buffer */
272                           {POPUP_WIDTH*2/3, POPUP_HEIGHT/2},    if(cache_num && !context->caches_displayed) {
273                           {tip_x,tip_y} };      context->cache_list_len = cache_num;
274    gdk_draw_polygon(mask, gc, TRUE, points, 3);      context->caches_displayed = g_new0(cache_display_t, cache_num+1);
275        printf("allocated space to handle %d map icons\n", cache_num);
276      }
   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;  
 }  
277    
278  /* the small labels are actually only on maemo small */    if(context->appdata->search_results && !context->appdata->cur_cache) {
279  #ifdef USE_MAEMO      if(context->state != MAP_SEARCH) {
280  #define MARKUP_SMALL "<span size='small'>%s</span>"        printf("map_setup(SEARCH)\n");
281  GtkWidget *gtk_label_small_left_new(char *str) {  
282    GtkWidget *label = gtk_label_new("");        /* clear any pending balloon */
283    char *markup = g_markup_printf_escaped(MARKUP_SMALL, str);        context->balloon = NULL;
284    gtk_label_set_markup(GTK_LABEL(label), markup);        osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
285    g_free(markup);  
286    gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f);  #ifdef OSD_NAV
287    return label;        /* no navigation in this mode */
288  }        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;  
 }  
289  #endif  #endif
290    
291  void cache_popup(map_context_t *mcontext, cache_t *cache) {        /* clear all existing cache images */
292    popup_context_t pcontext;        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
293    pcontext.appdata = mcontext->appdata;        memset(context->caches_displayed, 0,
294                 (cache_num+1) * sizeof(cache_display_t));
295    pcontext.window = gtk_window_new(GTK_WINDOW_POPUP);  
296    gtk_widget_realize(pcontext.window);        /* draw search results and all other gpx files are semi-transparent */
297    gtk_window_set_default_size(GTK_WINDOW(pcontext.window),        map_draw_gpx(context->appdata, context->caches_displayed,
298                                POPUP_WIDTH, POPUP_HEIGHT);                     context->widget, context->appdata->search_results,
299    gtk_window_resize(GTK_WINDOW(pcontext.window), POPUP_WIDTH, POPUP_HEIGHT);                     NULL, FALSE);
300    //  gtk_window_set_resizable(GTK_WINDOW(pcontext.window), FALSE);  
301    gtk_window_set_transient_for(GTK_WINDOW(pcontext.window),        gpx_t *gpx = context->appdata->gpx;
302                                 GTK_WINDOW(mcontext->appdata->window));        while(gpx) {
303    gtk_window_set_keep_above(GTK_WINDOW(pcontext.window), TRUE);          map_draw_gpx(context->appdata, context->caches_displayed,
304    gtk_window_set_destroy_with_parent(GTK_WINDOW(pcontext.window), TRUE);                       context->widget, gpx, NULL, 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;  
305    
306    if(sy > mcontext->widget->allocation.height/2)          gpx = gpx->next;
307      ay = POPUP_HEIGHT;        }
308    
309  #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5)        name = g_strdup(_("Search results"));
310    GdkColor color;        context->state = MAP_SEARCH;
311    gdk_color_parse("darkgray", &color);      }
312    gtk_widget_modify_bg(GTK_WIDGET(pcontext.window), GTK_STATE_NORMAL, &color);    } else if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
313        if(context->state != MAP_ALL) {
314          printf("map_setup(ALL)\n");
315    
316          /* clear any pending balloon */
317          context->balloon = NULL;
318          osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
319    
320    #ifdef OSD_NAV
321          /* no navigation in this mode */
322          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
323  #endif  #endif
324    
325    gtk_window_move(GTK_WINDOW(pcontext.window),        /* clear all existing cache images */
326                    x + mcontext->widget->allocation.x + sx - ax,        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
327                    y + mcontext->widget->allocation.y + sy - ay);        memset(context->caches_displayed, 0,
328                 (cache_num+1) * sizeof(cache_display_t));
329    
330    GtkWidget *alignment = gtk_alignment_new(0.5, 0.5, 1.0, 1.0);        /* draw all geocaches and none is semi-transparent */
331    gtk_alignment_set_padding(GTK_ALIGNMENT(alignment),        gpx_t *gpx = context->appdata->gpx;
332                              CORNER_RADIUS/2 + (ay?0:ARROW_BORDER),        while(gpx) {
333                              CORNER_RADIUS/2 + (ay?ARROW_BORDER:0),          map_draw_gpx(context->appdata, context->caches_displayed,
334                              CORNER_RADIUS, CORNER_RADIUS);                       context->widget, gpx, NULL, FALSE);
335            gpx = gpx->next;
336    /* --- actual content ---- */        }
   GtkWidget *vbox = gtk_vbox_new(FALSE, 0);  
337    
338    if(cache->id) {        {
339      GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);          int i=0;
340            while(context->caches_displayed[i].id) i++;
341            printf("number of caches actually displayed: %d\n", i);
342          }
343    
344      gtk_box_pack_start(GTK_BOX(ihbox),        name = g_strdup(_("all"));
345         icon_get_widget(ICON_CACHE_TYPE, cache->type),        context->state = MAP_ALL;
346         FALSE, FALSE, 5);      }
347      } else if(!context->appdata->cur_cache) {
348        if(context->state != MAP_GPX) {
349          printf("map_setup(GPX)\n");
350    
351          /* clear any pending balloon */
352          context->balloon = NULL;
353          osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
354    
355    #ifdef OSD_NAV
356          /* no navigation in this mode */
357          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
358    #endif
359    
360      gtk_box_pack_start_defaults(GTK_BOX(ihbox),        /* clear all existing cache images */
361                  gtk_label_big_left_new(cache->id));        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
362          memset(context->caches_displayed, 0,
363                 (cache_num+1) * sizeof(cache_display_t));
364    
365          /* draw all geocaches and all other gpx files are semi-transparent */
366          map_draw_gpx(context->appdata, context->caches_displayed,
367                       context->widget, context->appdata->cur_gpx, NULL, FALSE);
368    
369          gpx_t *gpx = context->appdata->gpx;
370          while(gpx) {
371            if(gpx != context->appdata->cur_gpx)
372              map_draw_gpx(context->appdata, context->caches_displayed,
373                           context->widget, gpx, NULL, TRUE);
374    
375      gtk_box_pack_start_defaults(GTK_BOX(vbox), ihbox);          gpx = gpx->next;
376    }        }
377    
378    if(cache->name) {        name = g_strdup(context->appdata->cur_gpx->name);
379      GtkWidget *label = gtk_label_small_left_new(cache->name);        context->state = MAP_GPX;
380      gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END);      }
381      gtk_box_pack_start_defaults(GTK_BOX(vbox), label);    } else {
382    }      cache_t *cache = context->appdata->cur_cache;
383    
384        printf("map_setup(CACHE)\n");
385    
386        /* clear any pending balloon */
387        context->balloon = NULL;
388        osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
389    
390        /* clear all existing ccahe images */
391        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
392        memset(context->caches_displayed, 0,
393               (cache_num+1) * sizeof(cache_display_t));
394    
395        /* Make sure we really work on the first copy in the list as */
396        /* only this is being used if duplicates exist */
397        cache = cache_search_first(context->appdata->gpx, cache);
398    
399        /* draw all geocaches and all but selected one are semi-transparent */
400        gpx_t *gpx = context->appdata->gpx;
401        while(gpx) {
402          map_draw_gpx(context->appdata, context->caches_displayed,
403                       context->widget, gpx, cache, FALSE);
404          gpx = gpx->next;
405        }
406    
407    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);      name = g_strdup(cache->name);
408    if(cache->terrain) {      context->state = MAP_CACHE;
409      GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);  
410      gtk_box_pack_start(GTK_BOX(ihbox),      /* navigation in this mode! */
411         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);  
   }  
412    
413    if(cache->difficulty) {  #ifdef OSD_NAV
414      GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);      osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget),
415      gtk_box_pack_start(GTK_BOX(ihbox),                                context->appdata->imperial,
416         gtk_label_small_left_new(_("Difficulty:")), FALSE, FALSE, 0);                                cpos.lat, cpos.lon, cache->name);
417      gtk_box_pack_start(GTK_BOX(ihbox),  #else
418         icon_get_widget(ICON_STARS, (int)(cache->difficulty*2-2)),  #warning OSD_NAV not defined!
419         FALSE, FALSE, 5);  #endif
     gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox);  
420    }    }
421    
422    gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);    /* also mark geomath position */
   
   gtk_container_add(GTK_CONTAINER(alignment), vbox);  
   /* ----------------------- */  
   
   
   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);  
423    
424    /* handle this popup until it's gone */    /* remove all existing appearances of this icon first */
425      osm_gps_map_remove_image(OSM_GPS_MAP(context->widget),
426                               icon_get(ICON_MISC, 4));
427    
428    pcontext.loop = g_main_loop_new(NULL, FALSE);    if(!isnan(context->appdata->geomath.lat) &&
429         !isnan(context->appdata->geomath.lon))  {
430    
431    GDK_THREADS_LEAVE();      osm_gps_map_add_image(OSM_GPS_MAP(context->widget),
432    g_main_loop_run(pcontext.loop);                            context->appdata->geomath.lat,
433    GDK_THREADS_ENTER();                            context->appdata->geomath.lon,
434                              icon_get(ICON_MISC, 4));
435    g_main_loop_unref(pcontext.loop);    }
436    
437    printf("cache popup removed\n");    if(name) {
438        gtk_window_set_title(GTK_WINDOW(context->window), name);
439        g_free(name);
440      } else
441        printf("map_setup(keep)\n");
442  }  }
443    
444  static void  static void
445  map_cachelist_nearest(cache_t *cache, pos_t *pos,  map_cachelist_nearest(cache_t *cache, pos_t *pos,
446                        cache_t **result, float *distance) {                        cache_t **result, float *distance) {
447    
448    while(cache) {    while(cache) {
449        pos_t cpos = gpx_cache_pos(cache);
450    
451      float dist =      float dist =
452        pow(cache->pos.lat - pos->lat, 2) +        pow(cpos.lat - pos->lat, 2) +
453        pow(cache->pos.lon - pos->lon, 2);        pow(cpos.lon - pos->lon, 2);
454    
455      if(!(dist > *distance)) {      if(!(dist > *distance)) {
456        *result = cache;        *result = cache;
# Line 548  map_cachelist_nearest(cache_t *cache, po Line 464  map_cachelist_nearest(cache_t *cache, po
464  static cache_t *map_closest(map_context_t *context, pos_t *pos) {  static cache_t *map_closest(map_context_t *context, pos_t *pos) {
465    cache_t *result = NULL;    cache_t *result = NULL;
466    float distance = NAN;    float distance = NAN;
467    
468  #ifdef USE_MAEMO    if(context->appdata->search_results && !context->appdata->cur_cache) {
469    if(!context->appdata->cur_gpx) {      /* search search results */
470  #endif      map_cachelist_nearest(context->appdata->search_results->cache,
471                              pos, &result, &distance);
472      } else if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
473      /* search all geocaches */      /* search all geocaches */
474      gpx_t *gpx = context->appdata->gpx;      gpx_t *gpx = context->appdata->gpx;
475      while(gpx) {      while(gpx) {
476        map_cachelist_nearest(gpx->cache, pos, &result, &distance);        map_cachelist_nearest(gpx->cache, pos, &result, &distance);
477        gpx = gpx->next;        gpx = gpx->next;
478      }      }
479  #ifdef USE_MAEMO    } else if(context->appdata->cur_gpx) {
480    } else {      /* search in current gpx file */
481      map_cachelist_nearest(context->appdata->cur_gpx->cache,      map_cachelist_nearest(context->appdata->cur_gpx->cache,
482                            pos, &result, &distance);                            pos, &result, &distance);
483    }    } else
484  #endif      result = context->appdata->cur_cache;
485    
486      /* make sure this is the first hit */
487      result = cache_search_first(context->appdata->gpx, result);
488    
489    return result;    return result;
490  }  }
# Line 571  static cache_t *map_closest(map_context_ Line 492  static cache_t *map_closest(map_context_
492  /* translate between osm-gps-map positions and gpxview ones */  /* translate between osm-gps-map positions and gpxview ones */
493  pos_t coord2pos(coord_t coo) {  pos_t coord2pos(coord_t coo) {
494    pos_t pos;    pos_t pos;
495    pos.lat = RAD2DEG(coo.rlat);    pos.lat = rad2deg(coo.rlat);
496    pos.lon = RAD2DEG(coo.rlon);    pos.lon = rad2deg(coo.rlon);
497    return pos;    return pos;
498  }  }
499    
 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;  
 }  
   
500  #define CLICK_FUZZ (24)  #define CLICK_FUZZ (24)
501    
502  static gboolean  static gboolean
503  on_map_button_press_event(GtkWidget *widget,  on_map_button_press_event(GtkWidget *widget,
504                              GdkEventButton *event, map_context_t *context) {                              GdkEventButton *event, map_context_t *context) {
505    
506    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
507    
508      /* check if we actually clicked parts of the OSD */
509      if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE)
510        return FALSE;
511    
512    /* got a press event without release event? eat it! */    /* got a press event without release event? eat it! */
513    if(context->press_on != NULL) {    if(context->press_on != NULL) {
514      printf("PRESS: already\n");      printf("PRESS: already\n");
515      return TRUE;      return FALSE;
516    }    }
517    
518    pos_t pos =    pos_t pos =
# Line 605  on_map_button_press_event(GtkWidget *wid Line 520  on_map_button_press_event(GtkWidget *wid
520    
521    cache_t *nearest = map_closest(context, &pos);    cache_t *nearest = map_closest(context, &pos);
522    if(nearest) {    if(nearest) {
523      float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);      pos_t cpos = gpx_cache_pos(nearest);
524      if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ)  
525        float dist = gpx_pos_get_distance(pos, cpos, FALSE);
526        if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ)
527        context->press_on = nearest;        context->press_on = nearest;
528    }    }
529    
530    return FALSE;    return FALSE;
531  }  }
532    
533    static void
534    cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf *buf, gint x, gint y) {
535      /* convert the pixbuf into something cairo can handle */
536    
537      // Create a new ImageSurface
538      cairo_surface_t *image_surface =
539        cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
540                                   gdk_pixbuf_get_width(buf),
541                                   gdk_pixbuf_get_height(buf));
542    
543      // Create the new Context for the ImageSurface
544      g_assert(image_surface);
545      cairo_t *context = cairo_create(image_surface);
546    
547      // Draw the image on the new Context
548      gdk_cairo_set_source_pixbuf(context, buf, 0.0, 0.0);
549      cairo_paint(context);
550    
551      // now draw this onto the original context
552      cairo_set_source_surface(cr, image_surface, x, y);
553    
554      cairo_paint(cr);
555    }
556    
557    #ifndef BIG_BALLOONS
558    #define ICON_SIZE  ICON_CACHE_TYPE
559    #else
560    #define ICON_SIZE  ICON_CACHE_TYPE_1_5X
561    #endif
562    
563    #ifndef BIG_BALLOONS
564    #define FONT_SIZE 14.0
565    #else
566    #define FONT_SIZE 22.0
567    #endif
568    #define LINE_SKIP  (FONT_SIZE/4)
569    
570    
571    static void
572    balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) {
573      printf("balloon event: ");
574    
575      map_context_t *context = (map_context_t*)data;
576      cache_t *cache = context->balloon;
577    
578      if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) {
579        printf("draw\n");
580    
581    #if 0
582        /* draw pink background to check clipping */
583        cairo_rectangle (event->data.draw.cr,
584                         event->data.draw.rect->x-20, event->data.draw.rect->y-20,
585                         event->data.draw.rect->w+40, event->data.draw.rect->h+40);
586        cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3);
587        cairo_fill_preserve (event->data.draw.cr);
588        cairo_set_line_width (event->data.draw.cr, 0);
589        cairo_stroke (event->data.draw.cr);
590    #endif
591    
592        /* leave a little border top and left */
593        gint x = event->data.draw.rect->x, y = event->data.draw.rect->y;
594    
595        /* draw the cache type icon ... */
596        GdkPixbuf *icon = icon_get(ICON_SIZE, cache->type);
597        cairo_draw_pixbuf(event->data.draw.cr, icon, x, y);
598    
599        if(cache->notes && cache->notes->override) {
600          GdkPixbuf *over = icon_get(ICON_SIZE, 11);
601          cairo_draw_pixbuf(event->data.draw.cr, over, x, y);
602        }
603    
604        /* ... and right of it the waypoint id */
605        cairo_text_extents_t extents;
606    
607        if(cache->id) {
608          cairo_select_font_face (event->data.draw.cr, "Sans",
609                                  CAIRO_FONT_SLANT_NORMAL,
610                                  CAIRO_FONT_WEIGHT_BOLD);
611    
612    #ifndef BIG_BALLOONS
613          cairo_set_font_size (event->data.draw.cr, 20.0);
614    #else
615          cairo_set_font_size (event->data.draw.cr, 36.0);
616    #endif
617    
618          cairo_text_extents (event->data.draw.cr, cache->id, &extents);
619    
620          /* display id right of icon vertically centered */
621          x += gdk_pixbuf_get_width(icon) + 5;
622          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
623          cairo_move_to (event->data.draw.cr, x, y);
624          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
625          cairo_show_text (event->data.draw.cr, cache->id);
626          cairo_stroke (event->data.draw.cr);
627    
628          y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP;
629        } else
630          y += gdk_pixbuf_get_height(icon);
631    
632        /* return to the left border and below icon/text */
633        x = event->data.draw.rect->x;
634    
635        /* everything from here uses the same font */
636        cairo_select_font_face (event->data.draw.cr, "Sans",
637                                CAIRO_FONT_SLANT_NORMAL,
638                                CAIRO_FONT_WEIGHT_NORMAL);
639    
640        cairo_set_font_size (event->data.draw.cr, FONT_SIZE);
641    
642        if(cache->name) {
643          /* draw cache name */
644          cairo_text_extents (event->data.draw.cr, cache->name, &extents);
645          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing);
646          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
647          cairo_show_text (event->data.draw.cr, cache->name);
648          cairo_stroke (event->data.draw.cr);
649    
650          /* return to the left border and below text */
651          y += LINE_SKIP + FONT_SIZE;
652          x = event->data.draw.rect->x;
653        }
654    
655        if(cache->terrain) {
656          int text_y = 0, icon_y = 0;
657    
658          /* draw cache rating */
659          const char *terrain = "Terrain:";
660          icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2));
661          cairo_text_extents (event->data.draw.cr, _(terrain), &extents);
662    
663          if(gdk_pixbuf_get_height(icon) > FONT_SIZE)
664            text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2;
665          else
666            icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2;
667    
668          /* draw "Terrain:" string */
669          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y);
670          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
671          cairo_show_text (event->data.draw.cr, _(terrain));
672          cairo_stroke (event->data.draw.cr);
673          x += extents.width + 2;
674    
675          /* draw terrain stars */
676          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y);
677    
678          x += gdk_pixbuf_get_width(icon) + FONT_SIZE/2;
679        }
680    
681        if(cache->difficulty) {
682          int text_y = 0, icon_y = 0;
683    
684          const char *difficulty = "Difficulty:";
685          icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2));
686          cairo_text_extents (event->data.draw.cr, _(difficulty), &extents);
687    
688          if(gdk_pixbuf_get_height(icon) > FONT_SIZE)
689            text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2;
690          else
691            icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2;
692    
693          /* draw "Difficulty:" string */
694          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y);
695          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
696          cairo_show_text (event->data.draw.cr, _(difficulty));
697          cairo_stroke (event->data.draw.cr);
698          x += extents.width + 2;
699    
700          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y);
701        }
702    
703        /* draw container info */
704        /* TODO ... */
705    
706    
707      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) {
708        printf("click %s event at %d %d\n",
709               event->data.click.down?"down":"up",
710               event->data.click.x, event->data.click.y);
711    
712        /* make the main screen jump to that cache */
713        if(!event->data.click.down) {
714          if(context->appdata->cur_cache) {
715            printf("ERROR: no current cache should be visible!\n");
716          } else {
717            gpx_t *is_in = NULL;
718    
719            if(!context->appdata->cur_gpx) {
720              printf("click while in \"all\" view\n");
721    
722              /* we first need to figure out which gpx file this cache */
723              /* is in so we can open it first */
724              gpx_t *gpx = context->appdata->gpx;
725              while(gpx && !is_in) {
726                cache_t *cur = gpx->cache;
727                while(cur && !is_in) {
728                  if(cur == cache)
729                    is_in = gpx;
730                  cur = cur->next;
731                }
732                gpx = gpx->next;
733              }
734    
735              if(is_in)
736                gpxlist_goto_cachelist(context->appdata, is_in);
737    
738            } else
739              /* the simple case: there already is an open gpx file and */
740              /* we just jump into the "cache" view */
741              is_in = context->appdata->cur_gpx;
742    
743            if(is_in) {
744              printf("selecting %s in %s\n",
745                     cache->id,
746                     context->appdata->cur_gpx->name);
747    
748              cachelist_goto_cache(context->appdata, cache);
749    
750              /* give focus to main screen (important for maemo) */
751              printf("raising main window\n");
752              gtk_window_present(GTK_WINDOW(context->appdata->window));
753            }
754          }
755        }
756      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) {
757        printf("removed\n");
758        context->balloon = NULL;
759      }
760    }
761    
762  static gboolean  static gboolean
763  on_map_button_release_event(GtkWidget *widget,  on_map_button_release_event(GtkWidget *widget,
764                              GdkEventButton *event, map_context_t *context) {                              GdkEventButton *event, map_context_t *context) {
765    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
766    
767      /* in "MAP_CACHE" state only one cache is visible */
768      /* and the map is in navigation mode. the balloon is */
769      /* pretty useless there */
770    if(context->press_on) {    if(context->press_on) {
771    
772        coord_t coo;
773        coo = osm_gps_map_get_co_ordinates(map, event->x, event->y);
774    
775      pos_t pos =      pos_t pos =
776        coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));        coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
777    
778      cache_t *nearest = map_closest(context, &pos);      cache_t *nearest = map_closest(context, &pos);
779      if(nearest && nearest == context->press_on) {      if(nearest && nearest == context->press_on) {
780        float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);        pos_t cpos = gpx_cache_pos(nearest);
781        if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ)  
782          cache_popup(context, nearest);        float dist = gpx_pos_get_distance(pos, cpos, FALSE);
783          if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) {
784    
785            context->balloon = nearest;
786            osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon,
787                                         balloon_cb, context);
788          }
789      }      }
790      context->press_on = NULL;      context->press_on = NULL;
791    } else {    } else {
# Line 640  on_map_button_release_event(GtkWidget *w Line 799  on_map_button_release_event(GtkWidget *w
799    return FALSE;    return FALSE;
800  }  }
801    
802  static void save_map_state(map_context_t *context) {  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {
803      appdata_t *appdata = context->appdata;
804    
805    /* save map parameters */    /* save map parameters */
806    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
807    gint zoom;    gint zoom;
# Line 651  static void save_map_state(map_context_t Line 812  static void save_map_state(map_context_t
812    g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);    g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);
813    context->appdata->map.pos.lat = lat;    context->appdata->map.pos.lat = lat;
814    context->appdata->map.pos.lon = lon;    context->appdata->map.pos.lon = lon;
 }  
815    
816  #if MAEMO_VERSION_MAJOR == 5    gint source;
817  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {    g_object_get(map, "map-source", &source, NULL);
818    printf("destroy map view\n");    context->appdata->map.source = source;
   
   save_map_state(context);  
819    
820    #if MAEMO_VERSION_MAJOR == 5
821    /* restore cur_view */    /* restore cur_view */
822    context->appdata->cur_view = context->old_view;    context->appdata->cur_view = context->old_view;
823    #endif
824    
825    gtk_timeout_remove(context->handler_id);    gtk_timeout_remove(context->handler_id);
826      gps_unregister_callback(appdata, context->cb_id);
827    
828      if(context->caches_displayed) {
829        g_free(context->caches_displayed);
830        context->caches_displayed = NULL;
831      }
832    
833      printf("destroy map context\n");
834    g_free(context);    g_free(context);
835      appdata->map.context = NULL;
836    }
837    
838    #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
839    /* get access to zoom buttons */
840    static void
841    on_window_realize(GtkWidget *widget, gpointer data) {
842      if (widget->window) {
843        unsigned char value = 1;
844        Atom hildon_zoom_key_atom =
845          gdk_x11_get_xatom_by_name("_HILDON_ZOOM_KEY_ATOM"),
846          integer_atom = gdk_x11_get_xatom_by_name("INTEGER");
847        Display *dpy =
848          GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(widget->window));
849        Window w = GDK_WINDOW_XID(widget->window);
850    
851        XChangeProperty(dpy, w, hildon_zoom_key_atom,
852                        integer_atom, 8, PropModeReplace, &value, 1);
853      }
854  }  }
855  #endif  #endif
856    
857  void map(appdata_t *appdata) {  /* on maemo a window is either on top or completely invisible. this */
858    map_context_t *context = g_new0(map_context_t, 1);  /* means that we only need to update the map window if its raised.  */
859    context->appdata = appdata;  /* on ordinary desktops this is different and we always update */
860    
861    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);  static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event,
862                             gpointer data) {
863      map_context_t *context = (map_context_t*)data;
864    
865    char *path = g_strdup_printf("%s/map/", appdata->image_path);    printf("map got focus\n");
   const char *proxy = get_proxy_uri(appdata);  
866    
867    context->widget = g_object_new(OSM_TYPE_GPS_MAP,  #ifdef USE_MAEMO
868                   "repo-uri",             MAP_SOURCE_OPENSTREETMAP,    /* re-enable refresh of map */
869                   "tile-cache",           path,    if(!context->handler_id)
870                   "auto-center",          FALSE,      context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
871                   "record-trip-history",  FALSE,  #endif
                  "show-trip-history",    FALSE,  
                  NULL);  
872    
873    if(proxy)    map_setup(context);
874      g_object_set(OSM_GPS_MAP(context->widget), "proxy-uri", proxy, NULL);    return FALSE;
875    }
876    
877    g_free(path);  static gboolean on_focus_out(GtkWidget *widget, GdkEventFocus *event,
878                             gpointer data) {
879      map_context_t *context = (map_context_t*)data;
880    
881      printf("map lost focus\n");
882    
883      /* save new map position */
884      gfloat lat, lon;
885      g_object_get(widget, "latitude", &lat, "longitude", &lon, NULL);
886    
887      context->appdata->map.pos.lat = lat;
888      context->appdata->map.pos.lon = lon;
889    
   char *name = NULL;  
890  #ifdef USE_MAEMO  #ifdef USE_MAEMO
891    if(!appdata->cur_gpx) {    gtk_timeout_remove(context->handler_id);
892      context->handler_id = 0;
893  #endif  #endif
894      /* draw all geocaches */  
895      gpx_t *gpx = appdata->gpx;    return FALSE;
896      while(gpx) {  }
897        map_draw_cachelist(context->widget, gpx->cache);  
898        gpx = gpx->next;  void map_update(appdata_t *appdata) {
899      }    printf("map_update\n");
900      name = g_strdup(_("all geocaches"));  #ifndef USE_MAEMO
901  #ifdef USE_MAEMO    if(appdata->map.context)
902    } else {      map_setup(appdata->map.context);
     map_draw_cachelist(context->widget, appdata->cur_gpx->cache);  
     name = g_strdup(appdata->cur_gpx->name);  
   }  
903  #endif  #endif
904    }
905    
906    /* callback called by the gps layer whenever gps state changes */
907    static void
908    gps_callback(struct gps_state *state, gpointer data) {
909      printf("map: gps callback\n");
910    }
911    
912    void map(appdata_t *appdata) {
913      map_context_t *context = NULL;
914    
915    char *title = g_strdup_printf(_("Map - %s"), name);    /* if the map window already exists, just raise it */
916    g_free(name);    if(appdata->map.context) {
917        printf("using existing map!\n");
918        gtk_window_present(GTK_WINDOW(appdata->map.context->window));
919        map_setup(appdata->map.context);
920        return;
921      }
922    
923      context = appdata->map.context = g_new0(map_context_t, 1);
924      printf("allocated new context at %p\n", context);
925    
926      context->appdata = appdata;
927      context->state = MAP_NONE;
928    
929      /* cleanup old (pre 0.8.7) path if it exists */
930      char *old_path = g_strdup_printf("%s/map/", appdata->image_path);
931      if(g_file_test(old_path, G_FILE_TEST_IS_DIR)) {
932        printf("old file path %s exists\n", old_path);
933        rmdir_recursive(old_path);
934      }
935    
936      /* It is recommanded that all applications share these same */
937      /* map path, so data is only cached once. The path should be: */
938      /* ~/.osm-gps-map on standard PC     (users home) */
939      /* /home/user/.osm-gps-map on Maemo5 (ext3 on internal card) */
940      /* /media/mmc2/osm-gps-map on Maemo4 (vfat on internal card) */
941    #if !defined(USE_MAEMO)
942      char *p = getenv("HOME");
943      if(!p) p = "/tmp";
944      char *path = g_strdup_printf("%s/.osm-gps-map", p);
945    #else
946  #if MAEMO_VERSION_MAJOR == 5  #if MAEMO_VERSION_MAJOR == 5
947    GtkWidget *window = hildon_stackable_window_new();    char *path = g_strdup("/home/user/.osm-gps-map");
   gtk_window_set_title(GTK_WINDOW(window), title);  
948  #else  #else
949    GtkWidget *dialog = gtk_dialog_new_with_buttons(title,    char *path = g_strdup("/media/mmc2/osm-gps-map");
950                            GTK_WINDOW(appdata->window),  #endif
951                            GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,  #endif
                           GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,  
                           NULL);  
952    
953  #ifndef USE_MAEMO    const char *proxy = get_proxy_uri(appdata);
954    gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 480);  
955      gint source = context->appdata->map.source;
956      if(!source) source = MAP_SOURCE;
957    
958      context->widget = g_object_new(OSM_TYPE_GPS_MAP,
959                     "map-source",               source,
960                     "tile-cache",               path,
961                     "auto-center",              FALSE,
962                     "record-trip-history",      FALSE,
963                     "show-trip-history",        FALSE,
964                     proxy?"proxy-uri":NULL,     proxy,
965                     NULL);
966    
967      g_free(path);
968    
969      osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget));
970    
971      /* set default values if they are invalid */
972      if(!context->appdata->map.zoom ||
973         isnan(context->appdata->map.pos.lat) ||
974         isnan(context->appdata->map.pos.lon)) {
975        printf("no valid map position found\n");
976    
977        pos_t *refpos = get_pos(context->appdata);
978        if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
979          printf("use refpos\n");
980    
981            /* use gps position if present */
982          context->appdata->map.pos = *refpos;
983          context->appdata->map.zoom = GPS_DEFAULT_ZOOM;
984        } else {
985          printf("use zero pos\n");
986    
987          /* use world map otherwise */
988          context->appdata->map.pos.lat = 0.0;
989          context->appdata->map.pos.lon = 0.0;
990          context->appdata->map.zoom = 1;
991        }
992      }
993    
994      osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
995                                context->appdata->map.pos.lat,
996                                context->appdata->map.pos.lon,
997                                context->appdata->map.zoom);
998    
999    #ifdef USE_MAEMO
1000      /* we don't use a stackable window here on fremantle, since */
1001      /* this leaves the main window independent from the map and */
1002      /* the user can e.g. still navigate the main menu */
1003      context->window = hildon_window_new();
1004    
1005    #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
1006      g_signal_connect(G_OBJECT(context->window), "realize",
1007                       G_CALLBACK(on_window_realize), NULL);
1008    #endif // MAEMO_VERSION
1009  #else  #else
1010    gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480);    context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1011  #endif  #endif
1012    
1013    #ifndef USE_MAEMO
1014      gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480);
1015  #endif  #endif
1016    
1017    g_free(title);    g_signal_connect(G_OBJECT(context->widget), "focus-in-event",
1018                       G_CALLBACK(on_focus_in), context);
1019    
1020    g_signal_connect(G_OBJECT(context->widget), "configure-event",    g_signal_connect(G_OBJECT(context->widget), "focus-out-event",
1021                     G_CALLBACK(on_map_configure), context);                     G_CALLBACK(on_focus_out), context);
1022    
1023    g_signal_connect(G_OBJECT(context->widget), "button-press-event",    g_signal_connect(G_OBJECT(context->widget), "button-press-event",
1024                     G_CALLBACK(on_map_button_press_event), context);                     G_CALLBACK(on_map_button_press_event), context);
# Line 738  void map(appdata_t *appdata) { Line 1026  void map(appdata_t *appdata) {
1026    g_signal_connect(G_OBJECT(context->widget), "button-release-event",    g_signal_connect(G_OBJECT(context->widget), "button-release-event",
1027                     G_CALLBACK(on_map_button_release_event), context);                     G_CALLBACK(on_map_button_release_event), context);
1028    
   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);  
1029    /* install handler for timed updates of the gps button */    /* install handler for timed updates of the gps button */
1030    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
1031    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);  
1032    
1033  #if MAEMO_VERSION_MAJOR == 5  #if MAEMO_VERSION_MAJOR == 5
1034    /* prevent some of the main screen things */    /* prevent some of the main screen things */
1035    context->old_view = appdata->cur_view;    context->old_view = appdata->cur_view;
1036    appdata->cur_view = NULL;    appdata->cur_view = NULL;
1037    #endif
1038    
1039    g_signal_connect(G_OBJECT(window), "destroy",    g_signal_connect(G_OBJECT(context->window), "destroy",
1040                     G_CALLBACK(on_window_destroy), context);                     G_CALLBACK(on_window_destroy), context);
1041    
1042    gtk_container_add(GTK_CONTAINER(window), hbox);    gtk_container_add(GTK_CONTAINER(context->window), context->widget);
1043    gtk_widget_show_all(GTK_WIDGET(window));    gtk_widget_show_all(GTK_WIDGET(context->window));
1044    
1045  #else    /* setup cache state */
1046    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  
1047  }  }
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