24 |
#include "osm-gps-map.h" |
#include "osm-gps-map.h" |
25 |
#endif |
#endif |
26 |
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27 |
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#define GPS_DEFAULT_ZOOM 13 |
28 |
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29 |
/* equatorial radius in meters */ |
/* equatorial radius in meters */ |
30 |
#define EQ_RADIUS (6378137.0) |
#define EQ_RADIUS (6378137.0) |
31 |
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82 |
} |
} |
83 |
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84 |
static void map_zoom(map_context_t *context, int step) { |
static void map_zoom(map_context_t *context, int step) { |
85 |
int zoom; |
gint zoom; |
86 |
OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
87 |
g_object_get(map, "zoom", &zoom, NULL); |
g_object_get(map, "zoom", &zoom, NULL); |
88 |
zoom = osm_gps_map_set_zoom(map, zoom+step); |
zoom = osm_gps_map_set_zoom(map, zoom+step); |
90 |
/* enable/disable zoom buttons as required */ |
/* enable/disable zoom buttons as required */ |
91 |
gtk_widget_set_sensitive(context->zoomin, zoom<17); |
gtk_widget_set_sensitive(context->zoomin, zoom<17); |
92 |
gtk_widget_set_sensitive(context->zoomout, zoom>1); |
gtk_widget_set_sensitive(context->zoomout, zoom>1); |
93 |
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94 |
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/* save new zoom */ |
95 |
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context->appdata->map.zoom = zoom; |
96 |
} |
} |
97 |
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98 |
static gboolean |
static gboolean |
112 |
pos_t *refpos = get_pos(context->appdata); |
pos_t *refpos = get_pos(context->appdata); |
113 |
if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
114 |
osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
115 |
refpos->lat, refpos->lon, 14); |
refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM); |
116 |
} else { |
} else { |
117 |
/* no coordinates given: display the entire world */ |
/* no coordinates given: display the entire world */ |
118 |
osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
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GdkEventConfigure *event, |
GdkEventConfigure *event, |
152 |
map_context_t *context) { |
map_context_t *context) { |
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154 |
cb_map_gps(NULL, context); |
/* set default values if they are invalid */ |
155 |
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if(!context->appdata->map.zoom || |
156 |
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isnan(context->appdata->map.pos.lat) || |
157 |
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isnan(context->appdata->map.pos.lon)) { |
158 |
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printf("no valid map position found\n"); |
159 |
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160 |
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pos_t *refpos = get_pos(context->appdata); |
161 |
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if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
162 |
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/* use gps position if present */ |
163 |
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context->appdata->map.pos = *refpos; |
164 |
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context->appdata->map.zoom = GPS_DEFAULT_ZOOM; |
165 |
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} else { |
166 |
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/* use world map otherwise */ |
167 |
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context->appdata->map.pos.lat = 0.0; |
168 |
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context->appdata->map.pos.lon = 0.0; |
169 |
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context->appdata->map.zoom = 1; |
170 |
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} |
171 |
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} |
172 |
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173 |
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/* jump to initial position */ |
174 |
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osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
175 |
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context->appdata->map.pos.lat, |
176 |
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context->appdata->map.pos.lon, |
177 |
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context->appdata->map.zoom); |
178 |
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179 |
return FALSE; |
return FALSE; |
180 |
} |
} |
181 |
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550 |
} |
} |
551 |
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552 |
static int dist2pixel(map_context_t *context, float km, float lat) { |
static int dist2pixel(map_context_t *context, float km, float lat) { |
553 |
int zoom; |
gint zoom; |
554 |
g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL); |
g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL); |
555 |
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556 |
/* world at zoom 1 == 512 pixels */ |
/* world at zoom 1 == 512 pixels */ |
589 |
static gboolean |
static gboolean |
590 |
on_map_button_release_event(GtkWidget *widget, |
on_map_button_release_event(GtkWidget *widget, |
591 |
GdkEventButton *event, map_context_t *context) { |
GdkEventButton *event, map_context_t *context) { |
592 |
if(context->press_on) { |
OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
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OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
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593 |
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594 |
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if(context->press_on) { |
595 |
pos_t pos = |
pos_t pos = |
596 |
coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
597 |
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602 |
cache_popup(context, nearest); |
cache_popup(context, nearest); |
603 |
} |
} |
604 |
context->press_on = NULL; |
context->press_on = NULL; |
605 |
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} else { |
606 |
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/* save new map position */ |
607 |
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gfloat lat, lon; |
608 |
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g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
609 |
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context->appdata->map.pos.lat = lat; |
610 |
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context->appdata->map.pos.lon = lon; |
611 |
} |
} |
612 |
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613 |
return FALSE; |
return FALSE; |
614 |
} |
} |
615 |
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616 |
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static void save_map_state(map_context_t *context) { |
617 |
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/* save map parameters */ |
618 |
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OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
619 |
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gint zoom; |
620 |
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g_object_get(map, "zoom", &zoom, NULL); |
621 |
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context->appdata->map.zoom = zoom; |
622 |
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623 |
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gfloat lat, lon; |
624 |
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g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
625 |
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context->appdata->map.pos.lat = lat; |
626 |
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context->appdata->map.pos.lon = lon; |
627 |
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} |
628 |
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629 |
#if MAEMO_VERSION_MAJOR == 5 |
#if MAEMO_VERSION_MAJOR == 5 |
630 |
static void on_window_destroy(GtkWidget *widget, map_context_t *context) { |
static void on_window_destroy(GtkWidget *widget, map_context_t *context) { |
631 |
printf("destroy map view\n"); |
printf("destroy map view\n"); |
632 |
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633 |
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save_map_state(context); |
634 |
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635 |
/* restore cur_view */ |
/* restore cur_view */ |
636 |
context->appdata->cur_view = context->old_view; |
context->appdata->cur_view = context->old_view; |
637 |
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746 |
gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE); |
gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE); |
747 |
gtk_widget_show_all(dialog); |
gtk_widget_show_all(dialog); |
748 |
gtk_dialog_run(GTK_DIALOG(dialog)); |
gtk_dialog_run(GTK_DIALOG(dialog)); |
749 |
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save_map_state(context); |
750 |
gtk_timeout_remove(context->handler_id); |
gtk_timeout_remove(context->handler_id); |
751 |
gtk_widget_destroy(dialog); |
gtk_widget_destroy(dialog); |
752 |
g_free(context); |
g_free(context); |