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

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revision 53 by harbaum, Wed Aug 12 19:18:53 2009 UTC revision 255 by harbaum, Tue Feb 9 19:25:36 2010 UTC
# Line 1  Line 1 
1  /*  /*
2   * Copyright (C) 2008 Till Harbaum <till@harbaum.org>.   * Copyright (C) 2008-2009 Till Harbaum <till@harbaum.org>.
3   *   *
4   * This file is part of GPXView.   * This file is part of GPXView.
5   *   *
# Line 17  Line 17 
17   * along with GPXView.  If not, see <http://www.gnu.org/licenses/>.   * along with GPXView.  If not, see <http://www.gnu.org/licenses/>.
18   */   */
19    
20    /*
21     * http://topo.geofabrik.de/relief/${z}/${x}/${y}.png  8-15
22     * http://topo.geofabrik.de/trail/${z}/${x}/${y}.png   8-15
23     */
24    
25    /*
26     * TODO:
27     * - make semi-transparent caches selectable
28     */
29    
30  #include "gpxview.h"  #include "gpxview.h"
31    #include "converter.h"
32  #include <math.h>    // for isnan  #include <math.h>    // for isnan
33    
34  #ifdef ENABLE_OSM_GPS_MAP  #ifdef ENABLE_OSM_GPS_MAP
35  #include "osm-gps-map.h"  #include "osm-gps-map.h"
36    #include "osm-gps-map-osd-classic.h"
37  #endif  #endif
38    
39  #define GPS_DEFAULT_ZOOM 13  #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5)
40    #include <gdk/gdkx.h>
41  /* equatorial radius in meters */  #include <X11/Xatom.h>
 #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;
141      int radius = 20;      int radius = 0;
142    
143      if(context->appdata->use_gps) {      if(context->appdata->use_gps) {
144        heading = gps_get_heading(context->appdata);        heading = gps_get_heading(context->appdata);
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;  
 }  
   
 static gboolean  
 on_button_press_event(GtkWidget *widget,  
                           GdkEventButton *event, popup_context_t *context) {  
   gboolean in = pointer_in_window(widget, event->x_root, event->y_root);  
   
   printf("overlay button press (in = %d)\n", in);  
   return !in;  
203  }  }
204    
205  static gboolean  static void map_draw_gpx(appdata_t *appdata, cache_display_t *caches,
206  on_button_release_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 release (in = %d)\n", in);      gpx->notes_loaded = TRUE;
   
   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));
   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;  
293    
294    if(sy > mcontext->widget->allocation.height/2)        if(context->caches_displayed) {
295      ay = POPUP_HEIGHT;          memset(context->caches_displayed, 0,
296                   (cache_num+1) * sizeof(cache_display_t));
297    
298            /* draw search results and all other gpx files are semi-transparent */
299            map_draw_gpx(context->appdata, context->caches_displayed,
300                         context->widget, context->appdata->search_results,
301                         NULL, FALSE);
302    
303            gpx_t *gpx = context->appdata->gpx;
304            while(gpx) {
305              map_draw_gpx(context->appdata, context->caches_displayed,
306                           context->widget, gpx, NULL, TRUE);
307    
308  #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5)            gpx = gpx->next;
309    GdkColor color;          }
310    gdk_color_parse("darkgray", &color);        }
311    gtk_widget_modify_bg(GTK_WIDGET(pcontext.window), GTK_STATE_NORMAL, &color);        name = g_strdup(_("Search results"));
312          context->state = MAP_SEARCH;
313        }
314      } else if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
315        if(context->state != MAP_ALL) {
316          printf("map_setup(ALL)\n");
317    
318          /* clear any pending balloon */
319          context->balloon = NULL;
320          osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
321    
322    #ifdef OSD_NAV
323          /* no navigation in this mode */
324          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
325  #endif  #endif
326    
327    gtk_window_move(GTK_WINDOW(pcontext.window),        /* clear all existing cache images */
328                    x + mcontext->widget->allocation.x + sx - ax,        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
329                    y + mcontext->widget->allocation.y + sy - ay);        if(context->caches_displayed) {
330            memset(context->caches_displayed, 0,
331                   (cache_num+1) * sizeof(cache_display_t));
332    GtkWidget *alignment = gtk_alignment_new(0.5, 0.5, 1.0, 1.0);  
333    gtk_alignment_set_padding(GTK_ALIGNMENT(alignment),          /* draw all geocaches and none is semi-transparent */
334                              CORNER_RADIUS/2 + (ay?0:ARROW_BORDER),          gpx_t *gpx = context->appdata->gpx;
335                              CORNER_RADIUS/2 + (ay?ARROW_BORDER:0),          while(gpx) {
336                              CORNER_RADIUS, CORNER_RADIUS);            map_draw_gpx(context->appdata, context->caches_displayed,
337                           context->widget, gpx, NULL, FALSE);
338    /* --- actual content ---- */            gpx = gpx->next;
339    GtkWidget *vbox = gtk_vbox_new(FALSE, 0);          }
340    
341    if(cache->id) {          {
342      GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);            int i=0;
343              while(context->caches_displayed[i].id) i++;
344      gtk_box_pack_start(GTK_BOX(ihbox),            printf("number of caches actually displayed: %d\n", i);
345         icon_get_widget(ICON_CACHE_TYPE, cache->type),          }
346         FALSE, FALSE, 5);        }
347          name = g_strdup(_("all"));
348      gtk_box_pack_start_defaults(GTK_BOX(ihbox),        context->state = MAP_ALL;
349                  gtk_label_big_left_new(cache->id));      }
350      } else if(!context->appdata->cur_cache) {
351        if(context->state != MAP_GPX) {
352          printf("map_setup(GPX)\n");
353    
354          /* clear any pending balloon */
355          context->balloon = NULL;
356          osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
357    
358    #ifdef OSD_NAV
359          /* no navigation in this mode */
360          osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget));
361    #endif
362    
363      gtk_box_pack_start_defaults(GTK_BOX(vbox), ihbox);        /* clear all existing cache images */
364    }        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
365          if(context->caches_displayed) {
366            memset(context->caches_displayed, 0,
367                   (cache_num+1) * sizeof(cache_display_t));
368    
369            /* draw all geocaches and all other gpx files are semi-transparent */
370            map_draw_gpx(context->appdata, context->caches_displayed,
371                         context->widget, context->appdata->cur_gpx, NULL, FALSE);
372    
373            gpx_t *gpx = context->appdata->gpx;
374            while(gpx) {
375              if(gpx != context->appdata->cur_gpx)
376                map_draw_gpx(context->appdata, context->caches_displayed,
377                             context->widget, gpx, NULL, TRUE);
378    
379              gpx = gpx->next;
380            }
381          }
382    
383    if(cache->name) {        name = g_strdup(context->appdata->cur_gpx->name);
384      GtkWidget *label = gtk_label_small_left_new(cache->name);        context->state = MAP_GPX;
385      gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END);      }
386      gtk_box_pack_start_defaults(GTK_BOX(vbox), label);    } else {
387    }      cache_t *cache = context->appdata->cur_cache;
388    
389        printf("map_setup(CACHE)\n");
390    
391        /* clear any pending balloon */
392        context->balloon = NULL;
393        osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget));
394    
395        /* clear all existing ccahe images */
396        osm_gps_map_clear_images (OSM_GPS_MAP(context->widget));
397        if(context->caches_displayed) {
398          memset(context->caches_displayed, 0,
399                 (cache_num+1) * sizeof(cache_display_t));
400    
401          /* Make sure we really work on the first copy in the list as */
402          /* only this is being used if duplicates exist */
403          cache = cache_search_first(context->appdata->gpx, cache);
404    
405          /* draw all geocaches and all but selected one are semi-transparent */
406          gpx_t *gpx = context->appdata->gpx;
407          while(gpx) {
408            map_draw_gpx(context->appdata, context->caches_displayed,
409                         context->widget, gpx, cache, FALSE);
410            gpx = gpx->next;
411          }
412        }
413    
414    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);      name = g_strdup(cache->name);
415    if(cache->terrain) {      context->state = MAP_CACHE;
416      GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);  
417      gtk_box_pack_start(GTK_BOX(ihbox),      /* navigation in this mode! */
418         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);  
   }  
419    
420    if(cache->difficulty) {  #ifdef OSD_NAV
421      GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);      osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget),
422      gtk_box_pack_start(GTK_BOX(ihbox),                                context->appdata->imperial,
423         gtk_label_small_left_new(_("Difficulty:")), FALSE, FALSE, 0);                                cpos.lat, cpos.lon, cache->name);
424      gtk_box_pack_start(GTK_BOX(ihbox),  #else
425         icon_get_widget(ICON_STARS, (int)(cache->difficulty*2-2)),  #warning OSD_NAV not defined!
426         FALSE, FALSE, 5);  #endif
     gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox);  
427    }    }
428    
429    gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);    /* also mark geomath position */
   
   gtk_container_add(GTK_CONTAINER(alignment), vbox);  
   /* ----------------------- */  
430    
431      /* remove all existing appearances of this icon first */
432    gtk_container_add(GTK_CONTAINER(pcontext.window), alignment);    osm_gps_map_remove_image(OSM_GPS_MAP(context->widget),
433                               icon_get(ICON_MISC, 4));
434    
435    /* give window its shape */    if(!isnan(context->appdata->geomath.lat) &&
436    popup_window_shape(pcontext.window, ax, ay);       !isnan(context->appdata->geomath.lon))  {
   
   gtk_widget_show_all(pcontext.window);  
437    
438    /* handle this popup until it's gone */      osm_gps_map_add_image(OSM_GPS_MAP(context->widget),
439                              context->appdata->geomath.lat,
440    pcontext.loop = g_main_loop_new(NULL, FALSE);                            context->appdata->geomath.lon,
441                              icon_get(ICON_MISC, 4));
442    GDK_THREADS_LEAVE();    }
   g_main_loop_run(pcontext.loop);  
   GDK_THREADS_ENTER();  
   
   g_main_loop_unref(pcontext.loop);  
443    
444    printf("cache popup removed\n");    if(name) {
445        gtk_window_set_title(GTK_WINDOW(context->window), name);
446        g_free(name);
447      } else
448        printf("map_setup(keep)\n");
449  }  }
450    
451  static void  static void
452  map_cachelist_nearest(cache_t *cache, pos_t *pos,  map_cachelist_nearest(cache_t *cache, pos_t *pos,
453                        cache_t **result, float *distance) {                        cache_t **result, float *distance) {
454    
455    while(cache) {    while(cache) {
456        pos_t cpos = gpx_cache_pos(cache);
457    
458      float dist =      float dist =
459        pow(cache->pos.lat - pos->lat, 2) +        pow(cpos.lat - pos->lat, 2) +
460        pow(cache->pos.lon - pos->lon, 2);        pow(cpos.lon - pos->lon, 2);
461    
462      if(!(dist > *distance)) {      if(!(dist > *distance)) {
463        *result = cache;        *result = cache;
# Line 548  map_cachelist_nearest(cache_t *cache, po Line 471  map_cachelist_nearest(cache_t *cache, po
471  static cache_t *map_closest(map_context_t *context, pos_t *pos) {  static cache_t *map_closest(map_context_t *context, pos_t *pos) {
472    cache_t *result = NULL;    cache_t *result = NULL;
473    float distance = NAN;    float distance = NAN;
474    
475  #ifdef USE_MAEMO    if(context->appdata->search_results && !context->appdata->cur_cache) {
476    if(!context->appdata->cur_gpx) {      /* search search results */
477  #endif      map_cachelist_nearest(context->appdata->search_results->cache,
478                              pos, &result, &distance);
479      } else if(!context->appdata->cur_gpx && !context->appdata->cur_cache) {
480      /* search all geocaches */      /* search all geocaches */
481      gpx_t *gpx = context->appdata->gpx;      gpx_t *gpx = context->appdata->gpx;
482      while(gpx) {      while(gpx) {
483        map_cachelist_nearest(gpx->cache, pos, &result, &distance);        map_cachelist_nearest(gpx->cache, pos, &result, &distance);
484        gpx = gpx->next;        gpx = gpx->next;
485      }      }
486  #ifdef USE_MAEMO    } else if(context->appdata->cur_gpx) {
487    } else {      /* search in current gpx file */
488      map_cachelist_nearest(context->appdata->cur_gpx->cache,      map_cachelist_nearest(context->appdata->cur_gpx->cache,
489                            pos, &result, &distance);                            pos, &result, &distance);
490    }    } else
491  #endif      result = context->appdata->cur_cache;
492    
493      /* make sure this is the first hit */
494      if(context->caches_displayed)
495        result = cache_search_first(context->appdata->gpx, result);
496    
497    return result;    return result;
498  }  }
# Line 571  static cache_t *map_closest(map_context_ Line 500  static cache_t *map_closest(map_context_
500  /* translate between osm-gps-map positions and gpxview ones */  /* translate between osm-gps-map positions and gpxview ones */
501  pos_t coord2pos(coord_t coo) {  pos_t coord2pos(coord_t coo) {
502    pos_t pos;    pos_t pos;
503    pos.lat = RAD2DEG(coo.rlat);    pos.lat = rad2deg(coo.rlat);
504    pos.lon = RAD2DEG(coo.rlon);    pos.lon = rad2deg(coo.rlon);
505    return pos;    return pos;
506  }  }
507    
 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;  
 }  
   
508  #define CLICK_FUZZ (24)  #define CLICK_FUZZ (24)
509    
510  static gboolean  static gboolean
511  on_map_button_press_event(GtkWidget *widget,  on_map_button_press_event(GtkWidget *widget,
512                              GdkEventButton *event, map_context_t *context) {                              GdkEventButton *event, map_context_t *context) {
513    
514    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
515    
516      /* check if we actually clicked parts of the OSD */
517      if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE)
518        return FALSE;
519    
520    /* got a press event without release event? eat it! */    /* got a press event without release event? eat it! */
521    if(context->press_on != NULL) {    if(context->press_on != NULL) {
522      printf("PRESS: already\n");      printf("PRESS: already\n");
523      return TRUE;      return FALSE;
524    }    }
525    
526    pos_t pos =    pos_t pos =
# Line 605  on_map_button_press_event(GtkWidget *wid Line 528  on_map_button_press_event(GtkWidget *wid
528    
529    cache_t *nearest = map_closest(context, &pos);    cache_t *nearest = map_closest(context, &pos);
530    if(nearest) {    if(nearest) {
531      float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);      pos_t cpos = gpx_cache_pos(nearest);
532      if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ)  
533        float dist = gpx_pos_get_distance(pos, cpos, FALSE);
534        if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ)
535        context->press_on = nearest;        context->press_on = nearest;
536    }    }
537    
538    return FALSE;    return FALSE;
539  }  }
540    
541    static void
542    cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf *buf, gint x, gint y) {
543      /* convert the pixbuf into something cairo can handle */
544    
545      // Create a new ImageSurface
546      cairo_surface_t *image_surface =
547        cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
548                                   gdk_pixbuf_get_width(buf),
549                                   gdk_pixbuf_get_height(buf));
550    
551      // Create the new Context for the ImageSurface
552      g_assert(image_surface);
553      cairo_t *context = cairo_create(image_surface);
554    
555      // Draw the image on the new Context
556      gdk_cairo_set_source_pixbuf(context, buf, 0.0, 0.0);
557      cairo_paint(context);
558    
559      // now draw this onto the original context
560      cairo_set_source_surface(cr, image_surface, x, y);
561    
562      cairo_paint(cr);
563    }
564    
565    #ifndef BIG_BALLOONS
566    #define ICON_SIZE  ICON_CACHE_TYPE
567    #else
568    #define ICON_SIZE  ICON_CACHE_TYPE_1_5X
569    #endif
570    
571    #ifndef BIG_BALLOONS
572    #define FONT_SIZE 14.0
573    #else
574    #define FONT_SIZE 22.0
575    #endif
576    #define LINE_SKIP  (FONT_SIZE/4)
577    
578    
579    static void
580    balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) {
581      printf("balloon event: ");
582    
583      map_context_t *context = (map_context_t*)data;
584      cache_t *cache = context->balloon;
585    
586      if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) {
587        printf("draw\n");
588    
589    #if 0
590        /* draw pink background to check clipping */
591        cairo_rectangle (event->data.draw.cr,
592                         event->data.draw.rect->x-20, event->data.draw.rect->y-20,
593                         event->data.draw.rect->w+40, event->data.draw.rect->h+40);
594        cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3);
595        cairo_fill_preserve (event->data.draw.cr);
596        cairo_set_line_width (event->data.draw.cr, 0);
597        cairo_stroke (event->data.draw.cr);
598    #endif
599    
600        /* leave a little border top and left */
601        gint x = event->data.draw.rect->x, y = event->data.draw.rect->y;
602    
603        /* draw the cache type icon ... */
604        GdkPixbuf *icon = icon_get(ICON_SIZE, cache->type);
605        cairo_draw_pixbuf(event->data.draw.cr, icon, x, y);
606    
607        if(cache->notes && cache->notes->override) {
608          GdkPixbuf *over = icon_get(ICON_SIZE, 11);
609          cairo_draw_pixbuf(event->data.draw.cr, over, x, y);
610        }
611    
612        /* ... and right of it the waypoint id */
613        cairo_text_extents_t extents;
614    
615        if(cache->id) {
616          cairo_select_font_face (event->data.draw.cr, "Sans",
617                                  CAIRO_FONT_SLANT_NORMAL,
618                                  CAIRO_FONT_WEIGHT_BOLD);
619    
620    #ifndef BIG_BALLOONS
621          cairo_set_font_size (event->data.draw.cr, 20.0);
622    #else
623          cairo_set_font_size (event->data.draw.cr, 36.0);
624    #endif
625    
626          cairo_text_extents (event->data.draw.cr, cache->id, &extents);
627    
628          /* display id right of icon vertically centered */
629          x += gdk_pixbuf_get_width(icon) + 5;
630          y += (gdk_pixbuf_get_height(icon) + extents.height)/2;
631          cairo_move_to (event->data.draw.cr, x, y);
632          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
633          cairo_show_text (event->data.draw.cr, cache->id);
634          cairo_stroke (event->data.draw.cr);
635    
636          y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP;
637        } else
638          y += gdk_pixbuf_get_height(icon);
639    
640        /* return to the left border and below icon/text */
641        x = event->data.draw.rect->x;
642    
643        /* everything from here uses the same font */
644        cairo_select_font_face (event->data.draw.cr, "Sans",
645                                CAIRO_FONT_SLANT_NORMAL,
646                                CAIRO_FONT_WEIGHT_NORMAL);
647    
648        cairo_set_font_size (event->data.draw.cr, FONT_SIZE);
649    
650        if(cache->name) {
651          /* draw cache name */
652          cairo_text_extents (event->data.draw.cr, cache->name, &extents);
653          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing);
654          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
655          cairo_show_text (event->data.draw.cr, cache->name);
656          cairo_stroke (event->data.draw.cr);
657    
658          /* return to the left border and below text */
659          y += LINE_SKIP + FONT_SIZE;
660          x = event->data.draw.rect->x;
661        }
662    
663        if(cache->terrain) {
664          int text_y = 0, icon_y = 0;
665    
666          /* draw cache rating */
667          const char *terrain = "Terrain:";
668          icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2));
669          cairo_text_extents (event->data.draw.cr, _(terrain), &extents);
670    
671          if(gdk_pixbuf_get_height(icon) > FONT_SIZE)
672            text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2;
673          else
674            icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2;
675    
676          /* draw "Terrain:" string */
677          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y);
678          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
679          cairo_show_text (event->data.draw.cr, _(terrain));
680          cairo_stroke (event->data.draw.cr);
681          x += extents.width + 2;
682    
683          /* draw terrain stars */
684          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y);
685    
686          x += gdk_pixbuf_get_width(icon) + FONT_SIZE/2;
687        }
688    
689        if(cache->difficulty) {
690          int text_y = 0, icon_y = 0;
691    
692          const char *difficulty = "Difficulty:";
693          icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2));
694          cairo_text_extents (event->data.draw.cr, _(difficulty), &extents);
695    
696          if(gdk_pixbuf_get_height(icon) > FONT_SIZE)
697            text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2;
698          else
699            icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2;
700    
701          /* draw "Difficulty:" string */
702          cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y);
703          cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1);
704          cairo_show_text (event->data.draw.cr, _(difficulty));
705          cairo_stroke (event->data.draw.cr);
706          x += extents.width + 2;
707    
708          cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y);
709        }
710    
711        /* draw container info */
712        /* TODO ... */
713    
714    
715      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) {
716        printf("click %s event at %d %d\n",
717               event->data.click.down?"down":"up",
718               event->data.click.x, event->data.click.y);
719    
720        /* make the main screen jump to that cache */
721        if(!event->data.click.down) {
722          if(context->appdata->cur_cache) {
723            printf("ERROR: no current cache should be visible!\n");
724          } else {
725            gpx_t *is_in = NULL;
726    
727            if(context->appdata->search_results) {
728              printf("click while in \"search results\" view\n");
729    
730              is_in = context->appdata->search_results;
731            } else if(!context->appdata->cur_gpx) {
732              printf("click while in \"all\" view\n");
733    
734              /* we first need to figure out which gpx file this cache */
735              /* is in so we can open it first */
736              gpx_t *gpx = context->appdata->gpx;
737              while(gpx && !is_in) {
738                cache_t *cur = gpx->cache;
739                while(cur && !is_in) {
740                  if(cur == cache)
741                    is_in = gpx;
742                  cur = cur->next;
743                }
744                gpx = gpx->next;
745              }
746    
747              if(is_in)
748                gpxlist_goto_cachelist(context->appdata, is_in);
749    
750            } else {
751              printf("click while in \"cachelist\" view\n");
752    
753              /* the simple case: there already is an open gpx file and */
754              /* we just jump into the "cache" view */
755              is_in = context->appdata->cur_gpx;
756            }
757    
758            if(is_in) {
759              printf("selecting %s in %s\n",
760                     cache->id,
761                     context->appdata->search_results?
762                     context->appdata->search_results->name:
763                     context->appdata->cur_gpx->name);
764    
765              cachelist_goto_cache(context->appdata, cache);
766    
767              /* give focus to main screen (important for maemo) */
768              printf("raising main window\n");
769              gtk_window_present(GTK_WINDOW(context->appdata->window));
770            }
771          }
772        }
773      } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) {
774        printf("removed\n");
775        context->balloon = NULL;
776      }
777    }
778    
779  static gboolean  static gboolean
780  on_map_button_release_event(GtkWidget *widget,  on_map_button_release_event(GtkWidget *widget,
781                              GdkEventButton *event, map_context_t *context) {                              GdkEventButton *event, map_context_t *context) {
782    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
783    
784      /* in "MAP_CACHE" state only one cache is visible */
785      /* and the map is in navigation mode. the balloon is */
786      /* pretty useless there */
787    if(context->press_on) {    if(context->press_on) {
788    
789        coord_t coo;
790        coo = osm_gps_map_get_co_ordinates(map, event->x, event->y);
791    
792      pos_t pos =      pos_t pos =
793        coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));        coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
794    
795      cache_t *nearest = map_closest(context, &pos);      cache_t *nearest = map_closest(context, &pos);
796      if(nearest && nearest == context->press_on) {      if(nearest && nearest == context->press_on) {
797        float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);        pos_t cpos = gpx_cache_pos(nearest);
798        if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ)  
799          cache_popup(context, nearest);        float dist = gpx_pos_get_distance(pos, cpos, FALSE);
800          if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) {
801    
802            context->balloon = nearest;
803            osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon,
804                                         balloon_cb, context);
805          }
806      }      }
807      context->press_on = NULL;      context->press_on = NULL;
808    } else {    } else {
# Line 640  on_map_button_release_event(GtkWidget *w Line 816  on_map_button_release_event(GtkWidget *w
816    return FALSE;    return FALSE;
817  }  }
818    
819  static void save_map_state(map_context_t *context) {  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {
820      appdata_t *appdata = context->appdata;
821    
822    /* save map parameters */    /* save map parameters */
823    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    OsmGpsMap *map = OSM_GPS_MAP(context->widget);
824    gint zoom;    gint zoom;
# Line 651  static void save_map_state(map_context_t Line 829  static void save_map_state(map_context_t
829    g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);    g_object_get(map, "latitude", &lat, "longitude", &lon, NULL);
830    context->appdata->map.pos.lat = lat;    context->appdata->map.pos.lat = lat;
831    context->appdata->map.pos.lon = lon;    context->appdata->map.pos.lon = lon;
 }  
832    
833  #if MAEMO_VERSION_MAJOR == 5    gint source;
834  static void on_window_destroy(GtkWidget *widget, map_context_t *context) {    g_object_get(map, "map-source", &source, NULL);
835    printf("destroy map view\n");    context->appdata->map.source = source;
   
   save_map_state(context);  
836    
837    #if MAEMO_VERSION_MAJOR == 5
838    /* restore cur_view */    /* restore cur_view */
839    context->appdata->cur_view = context->old_view;    context->appdata->cur_view = context->old_view;
840    #endif
841    
842    gtk_timeout_remove(context->handler_id);    gtk_timeout_remove(context->handler_id);
843      gps_unregister_callback(appdata, context->cb_id);
844    
845      if(context->caches_displayed) {
846        g_free(context->caches_displayed);
847        context->caches_displayed = NULL;
848      }
849    
850      printf("destroy map context\n");
851    g_free(context);    g_free(context);
852      appdata->map.context = NULL;
853    }
854    
855    #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
856    /* get access to zoom buttons */
857    static void
858    on_window_realize(GtkWidget *widget, gpointer data) {
859      if (widget->window) {
860        unsigned char value = 1;
861        Atom hildon_zoom_key_atom =
862          gdk_x11_get_xatom_by_name("_HILDON_ZOOM_KEY_ATOM"),
863          integer_atom = gdk_x11_get_xatom_by_name("INTEGER");
864        Display *dpy =
865          GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(widget->window));
866        Window w = GDK_WINDOW_XID(widget->window);
867    
868        XChangeProperty(dpy, w, hildon_zoom_key_atom,
869                        integer_atom, 8, PropModeReplace, &value, 1);
870      }
871  }  }
872  #endif  #endif
873    
874  void map(appdata_t *appdata) {  /* on maemo a window is either on top or completely invisible. this */
875    map_context_t *context = g_new0(map_context_t, 1);  /* means that we only need to update the map window if its raised.  */
876    context->appdata = appdata;  /* on ordinary desktops this is different and we always update */
877    
878    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);  static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event,
879                             gpointer data) {
880      map_context_t *context = (map_context_t*)data;
881    
882    char *path = g_strdup_printf("%s/map/", appdata->image_path);    printf("map got focus\n");
   const char *proxy = get_proxy_uri(appdata);  
883    
884    context->widget = g_object_new(OSM_TYPE_GPS_MAP,  #ifdef USE_MAEMO
885                   "repo-uri",             MAP_SOURCE_OPENSTREETMAP,    /* re-enable refresh of map */
886                   "tile-cache",           path,    if(!context->handler_id)
887                   "auto-center",          FALSE,      context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
888                   "record-trip-history",  FALSE,  #endif
                  "show-trip-history",    FALSE,  
                  NULL);  
889    
890    if(proxy)    map_setup(context);
891      g_object_set(OSM_GPS_MAP(context->widget), "proxy-uri", proxy, NULL);    return FALSE;
892    }
893    
894    g_free(path);  static gboolean on_focus_out(GtkWidget *widget, GdkEventFocus *event,
895                             gpointer data) {
896      map_context_t *context = (map_context_t*)data;
897    
898      printf("map lost focus\n");
899    
900      /* save new map position */
901      gfloat lat, lon;
902      g_object_get(widget, "latitude", &lat, "longitude", &lon, NULL);
903    
904      context->appdata->map.pos.lat = lat;
905      context->appdata->map.pos.lon = lon;
906    
   char *name = NULL;  
907  #ifdef USE_MAEMO  #ifdef USE_MAEMO
908    if(!appdata->cur_gpx) {    gtk_timeout_remove(context->handler_id);
909      context->handler_id = 0;
910  #endif  #endif
911      /* draw all geocaches */  
912      gpx_t *gpx = appdata->gpx;    return FALSE;
913      while(gpx) {  }
914        map_draw_cachelist(context->widget, gpx->cache);  
915        gpx = gpx->next;  void map_update(appdata_t *appdata) {
916      }    printf("map_update\n");
917      name = g_strdup(_("all geocaches"));  #ifndef USE_MAEMO
918  #ifdef USE_MAEMO    if(appdata->map.context)
919    } else {      map_setup(appdata->map.context);
     map_draw_cachelist(context->widget, appdata->cur_gpx->cache);  
     name = g_strdup(appdata->cur_gpx->name);  
   }  
920  #endif  #endif
921    }
922    
923    /* callback called by the gps layer whenever gps state changes */
924    static void
925    gps_callback(struct gps_state *state, gpointer data) {
926      printf("map: gps callback\n");
927    }
928    
929    void map(appdata_t *appdata) {
930      map_context_t *context = NULL;
931    
932    char *title = g_strdup_printf(_("Map - %s"), name);    /* if the map window already exists, just raise it */
933    g_free(name);    if(appdata->map.context) {
934        printf("using existing map!\n");
935        gtk_window_present(GTK_WINDOW(appdata->map.context->window));
936        map_setup(appdata->map.context);
937        return;
938      }
939    
940      context = appdata->map.context = g_new0(map_context_t, 1);
941      printf("allocated new context at %p\n", context);
942    
943      context->appdata = appdata;
944      context->state = MAP_NONE;
945    
946      /* cleanup old (pre 0.8.7) path if it exists */
947      char *old_path = g_strdup_printf("%s/map/", appdata->image_path);
948      if(g_file_test(old_path, G_FILE_TEST_IS_DIR)) {
949        printf("old file path %s exists\n", old_path);
950        rmdir_recursive(old_path);
951      }
952    
953      /* It is recommanded that all applications share these same */
954      /* map path, so data is only cached once. The path should be: */
955      /* ~/.osm-gps-map on standard PC     (users home) */
956      /* /home/user/.osm-gps-map on Maemo5 (ext3 on internal card) */
957      /* /media/mmc2/osm-gps-map on Maemo4 (vfat on internal card) */
958    #if !defined(USE_MAEMO)
959      char *p = getenv("HOME");
960      if(!p) p = "/tmp";
961      char *path = g_strdup_printf("%s/.osm-gps-map", p);
962    #else
963  #if MAEMO_VERSION_MAJOR == 5  #if MAEMO_VERSION_MAJOR == 5
964    GtkWidget *window = hildon_stackable_window_new();    char *path = g_strdup("/home/user/.osm-gps-map");
   gtk_window_set_title(GTK_WINDOW(window), title);  
965  #else  #else
966    GtkWidget *dialog = gtk_dialog_new_with_buttons(title,    char *path = g_strdup("/media/mmc2/osm-gps-map");
967                            GTK_WINDOW(appdata->window),  #endif
968                            GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,  #endif
                           GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,  
                           NULL);  
969    
970  #ifndef USE_MAEMO    const char *proxy = get_proxy_uri(appdata);
971    gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 480);  
972      gint source = context->appdata->map.source;
973      if(!source) source = MAP_SOURCE;
974    
975      context->widget = g_object_new(OSM_TYPE_GPS_MAP,
976                     "map-source",               source,
977                     "tile-cache",               path,
978                     "auto-center",              FALSE,
979                     "record-trip-history",      FALSE,
980                     "show-trip-history",        FALSE,
981                     proxy?"proxy-uri":NULL,     proxy,
982                     NULL);
983    
984      g_free(path);
985    
986      osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget));
987    
988      /* set default values if they are invalid */
989      if(!context->appdata->map.zoom ||
990         isnan(context->appdata->map.pos.lat) ||
991         isnan(context->appdata->map.pos.lon)) {
992        printf("no valid map position found\n");
993    
994        pos_t *refpos = get_pos(context->appdata);
995        if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
996          printf("use refpos\n");
997    
998            /* use gps position if present */
999          context->appdata->map.pos = *refpos;
1000          context->appdata->map.zoom = GPS_DEFAULT_ZOOM;
1001        } else {
1002          printf("use zero pos\n");
1003    
1004          /* use world map otherwise */
1005          context->appdata->map.pos.lat = 0.0;
1006          context->appdata->map.pos.lon = 0.0;
1007          context->appdata->map.zoom = 1;
1008        }
1009      }
1010    
1011      osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
1012                                context->appdata->map.pos.lat,
1013                                context->appdata->map.pos.lon,
1014                                context->appdata->map.zoom);
1015    
1016    #ifdef USE_MAEMO
1017      /* we don't use a stackable window here on fremantle, since */
1018      /* this leaves the main window independent from the map and */
1019      /* the user can e.g. still navigate the main menu */
1020      context->window = hildon_window_new();
1021    
1022    #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
1023      g_signal_connect(G_OBJECT(context->window), "realize",
1024                       G_CALLBACK(on_window_realize), NULL);
1025    #endif // MAEMO_VERSION
1026  #else  #else
1027    gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480);    context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1028  #endif  #endif
1029    
1030    #ifndef USE_MAEMO
1031      gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480);
1032  #endif  #endif
1033    
1034    g_free(title);    g_signal_connect(G_OBJECT(context->widget), "focus-in-event",
1035                       G_CALLBACK(on_focus_in), context);
1036    
1037    g_signal_connect(G_OBJECT(context->widget), "configure-event",    g_signal_connect(G_OBJECT(context->widget), "focus-out-event",
1038                     G_CALLBACK(on_map_configure), context);                     G_CALLBACK(on_focus_out), context);
1039    
1040    g_signal_connect(G_OBJECT(context->widget), "button-press-event",    g_signal_connect(G_OBJECT(context->widget), "button-press-event",
1041                     G_CALLBACK(on_map_button_press_event), context);                     G_CALLBACK(on_map_button_press_event), context);
# Line 738  void map(appdata_t *appdata) { Line 1043  void map(appdata_t *appdata) {
1043    g_signal_connect(G_OBJECT(context->widget), "button-release-event",    g_signal_connect(G_OBJECT(context->widget), "button-release-event",
1044                     G_CALLBACK(on_map_button_release_event), context);                     G_CALLBACK(on_map_button_release_event), context);
1045    
   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);  
1046    /* install handler for timed updates of the gps button */    /* install handler for timed updates of the gps button */
1047    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
1048    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);  
1049    
1050  #if MAEMO_VERSION_MAJOR == 5  #if MAEMO_VERSION_MAJOR == 5
1051    /* prevent some of the main screen things */    /* prevent some of the main screen things */
1052    context->old_view = appdata->cur_view;    context->old_view = appdata->cur_view;
1053    appdata->cur_view = NULL;    appdata->cur_view = NULL;
1054    #endif
1055    
1056    g_signal_connect(G_OBJECT(window), "destroy",    g_signal_connect(G_OBJECT(context->window), "destroy",
1057                     G_CALLBACK(on_window_destroy), context);                     G_CALLBACK(on_window_destroy), context);
1058    
1059    gtk_container_add(GTK_CONTAINER(window), hbox);    gtk_container_add(GTK_CONTAINER(context->window), context->widget);
1060    gtk_widget_show_all(GTK_WIDGET(window));    gtk_widget_show_all(GTK_WIDGET(context->window));
1061    
1062  #else    /* setup cache state */
1063    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  
1064  }  }
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