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

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revision 60 by harbaum, Mon Aug 17 19:44:00 2009 UTC revision 85 by harbaum, Fri Aug 28 12:07:16 2009 UTC
# Line 18  Line 18 
18   */   */
19    
20  #include "gpxview.h"  #include "gpxview.h"
21    #include "converter.h"
22  #include <math.h>    // for isnan  #include <math.h>    // for isnan
23    
24  #ifdef ENABLE_OSM_GPS_MAP  #ifdef ENABLE_OSM_GPS_MAP
25  #include "osm-gps-map.h"  #include "osm-gps-map.h"
26    #include "osm-gps-map-osd-classic.h"
27  #endif  #endif
28    
29  #define MAP_SOURCE  OSM_GPS_MAP_SOURCE_OPENSTREETMAP  #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5)
30  #define GPS_DEFAULT_ZOOM 13  #include <gdk/gdkx.h>
31    #include <X11/Xatom.h>
32  /* equatorial radius in meters */  #endif
 #define EQ_RADIUS     (6378137.0)  
33    
34  #define RAD2DEG(a)  (((a)*180.0)/M_PI)  // #define MAP_SOURCE  OSM_GPS_MAP_SOURCE_OPENSTREETMAP
35  #define DEG2RAD(a)  (((a)*M_PI)/180.0)  #define MAP_SOURCE  OSM_GPS_MAP_SOURCE_OPENCYCLEMAP
36    #define GPS_DEFAULT_ZOOM 13
37    
38  #define PROXY_KEY  "/system/http_proxy/"  #define PROXY_KEY  "/system/http_proxy/"
39    
# Line 71  static const char *get_proxy_uri(appdata Line 73  static const char *get_proxy_uri(appdata
73    return NULL;    return NULL;
74  }  }
75    
76  static void map_zoom(map_context_t *context, int step) {  static void
77    gint zoom;  cb_map_gps(osd_button_t but, map_context_t *context) {
78    OsmGpsMap *map = OSM_GPS_MAP(context->widget);    if(but == OSD_GPS) {
79    g_object_get(map, "zoom", &zoom, NULL);      pos_t *refpos = get_pos(context->appdata);
80    zoom = osm_gps_map_set_zoom(map, zoom+step);      if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
81          gint zoom;
82    /* enable/disable zoom buttons as required */        g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL);
83    gtk_widget_set_sensitive(context->zoomin,        if(zoom < 10)
84             zoom < osm_gps_map_source_get_max_zoom(MAP_SOURCE));          osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
85    gtk_widget_set_sensitive(context->zoomout,                                    refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM);
86             zoom > osm_gps_map_source_get_min_zoom(MAP_SOURCE));        else
87            osm_gps_map_set_center(OSM_GPS_MAP(context->widget),
88    /* hmm ... this doesn't really work */                                 refpos->lat, refpos->lon);
   osm_gps_map_osd_speed(map, zoom);  
   
   /* save new zoom */  
   context->appdata->map.zoom = zoom;  
 }  
   
 static gboolean  
 cb_map_zoomin(GtkButton *button, map_context_t *context) {  
   map_zoom(context, +1);  
   return FALSE;  
 }  
   
 static gboolean  
 cb_map_zoomout(GtkButton *button, map_context_t *context) {  
   map_zoom(context, -1);  
   return FALSE;  
 }  
89    
90  static gboolean        /* re-enable centering */
91  cb_map_gps(GtkButton *button, map_context_t *context) {        g_object_set(context->widget, "auto-center", TRUE, NULL);
92    pos_t *refpos = get_pos(context->appdata);      } else {
93    if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {        /* no coordinates given: display the entire world */
94      osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),        osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
95                        refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM);                                  0.0, 0.0, 1);
96    } else {      }
     /* no coordinates given: display the entire world */  
     osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),  
                               0.0, 0.0, 1);  
97    }    }
   
   return FALSE;  
 }  
   
 static GtkWidget  
 *map_add_button(int icon, GCallback cb, gpointer data,  
                 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;  
98  }  }
99    
100  static int dist2pixel(map_context_t *context, float km, float lat) {  static int dist2pixel(map_context_t *context, float km, float lat) {
# Line 141  static gboolean map_gps_update(gpointer Line 109  static gboolean map_gps_update(gpointer
109    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);    gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon);
110    
111    /* ... and enable "goto" button if it's valid */    /* ... and enable "goto" button if it's valid */
112    gtk_widget_set_sensitive(context->gps, ok);    osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget),
113                     OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context);
114    
115    if(ok) {    if(ok) {
116      float heading = NAN;      float heading = NAN;
# Line 169  static gboolean on_map_configure(GtkWidg Line 138  static gboolean on_map_configure(GtkWidg
138                                   GdkEventConfigure *event,                                   GdkEventConfigure *event,
139                                   map_context_t *context) {                                   map_context_t *context) {
140    
141    /* set default values if they are invalid */    if(!context->map_complete) {
142    if(!context->appdata->map.zoom ||  
143       isnan(context->appdata->map.pos.lat) ||      /* set default values if they are invalid */
144       isnan(context->appdata->map.pos.lon)) {      if(!context->appdata->map.zoom ||
145      printf("no valid map position found\n");         isnan(context->appdata->map.pos.lat) ||
146           isnan(context->appdata->map.pos.lon)) {
147      pos_t *refpos = get_pos(context->appdata);        printf("no valid map position found\n");
148      if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {  
149        /* use gps position if present */        pos_t *refpos = get_pos(context->appdata);
150        context->appdata->map.pos = *refpos;        if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) {
151        context->appdata->map.zoom = GPS_DEFAULT_ZOOM;          /* use gps position if present */
152      } else {          context->appdata->map.pos = *refpos;
153        /* use world map otherwise */          context->appdata->map.zoom = GPS_DEFAULT_ZOOM;
154        context->appdata->map.pos.lat = 0.0;        } else {
155        context->appdata->map.pos.lon = 0.0;          /* use world map otherwise */
156        context->appdata->map.zoom = 1;          context->appdata->map.pos.lat = 0.0;
157            context->appdata->map.pos.lon = 0.0;
158            context->appdata->map.zoom = 1;
159          }
160      }      }
161    
162        /* jump to initial position */
163        osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),
164                                  context->appdata->map.pos.lat,
165                                  context->appdata->map.pos.lon,
166                                  context->appdata->map.zoom);
167        context->map_complete = TRUE;
168    }    }
169    
   /* jump to initial position */  
   osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget),  
                             context->appdata->map.pos.lat,  
                             context->appdata->map.pos.lon,  
                             context->appdata->map.zoom);  
   
170    return FALSE;    return FALSE;
171  }  }
172    
# Line 251  static cache_t *map_closest(map_context_ Line 224  static cache_t *map_closest(map_context_
224  /* translate between osm-gps-map positions and gpxview ones */  /* translate between osm-gps-map positions and gpxview ones */
225  pos_t coord2pos(coord_t coo) {  pos_t coord2pos(coord_t coo) {
226    pos_t pos;    pos_t pos;
227    pos.lat = RAD2DEG(coo.rlat);    pos.lat = rad2deg(coo.rlat);
228    pos.lon = RAD2DEG(coo.rlon);    pos.lon = rad2deg(coo.rlon);
229    return pos;    return pos;
230  }  }
231    
# Line 305  cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf Line 278  cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf
278    cairo_paint(cr);    cairo_paint(cr);
279  }  }
280    
281    #ifndef BIG_BALLOONS
282  #define LINE_SKIP  7  #define LINE_SKIP  7
283    #else
284    #define LINE_SKIP  12
285    #endif
286    
287  static void  static void
288  balloon_draw_cb(cairo_t *cr, OsmGpsMapRect_t *rect, gpointer data) {  balloon_draw_cb(cairo_t *cr, OsmGpsMapRect_t *rect, gpointer data) {
289    cache_t *cache = (cache_t*)data;    cache_t *cache = (cache_t*)data;
290    
   //  printf("draw cb for \"%s\"\n", cache->name);  
   
291  #if 0  #if 0
292    /* draw pink background to check clipping */    /* draw pink background to check clipping */
293    cairo_rectangle (cr, rect->x-20, rect->y-20, rect->w+40, rect->h+40);    cairo_rectangle (cr, rect->x-20, rect->y-20, rect->w+40, rect->h+40);
# Line 337  balloon_draw_cb(cairo_t *cr, OsmGpsMapRe Line 312  balloon_draw_cb(cairo_t *cr, OsmGpsMapRe
312                              CAIRO_FONT_SLANT_NORMAL,                              CAIRO_FONT_SLANT_NORMAL,
313                              CAIRO_FONT_WEIGHT_BOLD);                              CAIRO_FONT_WEIGHT_BOLD);
314    
315    #ifndef BIG_BALLOONS
316      cairo_set_font_size (cr, 20.0);      cairo_set_font_size (cr, 20.0);
317    #else
318        cairo_set_font_size (cr, 36.0);
319    #endif
320    
321      cairo_text_extents (cr, cache->id, &extents);      cairo_text_extents (cr, cache->id, &extents);
322    
323      /* display id right of icon vertically centered */      /* display id right of icon vertically centered */
# Line 358  balloon_draw_cb(cairo_t *cr, OsmGpsMapRe Line 338  balloon_draw_cb(cairo_t *cr, OsmGpsMapRe
338    /* everything from here uses the same font */    /* everything from here uses the same font */
339    cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_NORMAL,    cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_NORMAL,
340                            CAIRO_FONT_WEIGHT_NORMAL);                            CAIRO_FONT_WEIGHT_NORMAL);
341    #ifndef BIG_BALLOONS
342    cairo_set_font_size (cr, 14.0);    cairo_set_font_size (cr, 14.0);
343    #else
344      cairo_set_font_size (cr, 22.0);
345    #endif
346    
347    if(cache->name) {    if(cache->name) {
348      /* draw cache name */      /* draw cache name */
# Line 474  static void on_window_destroy(GtkWidget Line 458  static void on_window_destroy(GtkWidget
458    appdata->map.context = NULL;    appdata->map.context = NULL;
459  }  }
460    
461    #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__)
462    /* get access to zoom buttons */
463    static void
464    on_window_realize(GtkWidget *widget, gpointer data) {
465      if (widget->window) {
466        unsigned char value = 1;
467        Atom hildon_zoom_key_atom =
468          gdk_x11_get_xatom_by_name("_HILDON_ZOOM_KEY_ATOM"),
469          integer_atom = gdk_x11_get_xatom_by_name("INTEGER");
470        Display *dpy =
471          GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(widget->window));
472        Window w = GDK_WINDOW_XID(widget->window);
473    
474        XChangeProperty(dpy, w, hildon_zoom_key_atom,
475                        integer_atom, 8, PropModeReplace, &value, 1);
476      }
477    }
478    #endif
479    
480  void map(appdata_t *appdata) {  void map(appdata_t *appdata) {
481    map_context_t *context = NULL;    map_context_t *context = NULL;
482    
# Line 485  void map(appdata_t *appdata) { Line 488  void map(appdata_t *appdata) {
488    
489    context = appdata->map.context = g_new0(map_context_t, 1);    context = appdata->map.context = g_new0(map_context_t, 1);
490    context->appdata = appdata;    context->appdata = appdata;
491      context->map_complete = FALSE;
492    
493    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);    /* cleanup old (pre 0.8.7) path if it exists */
494      char *old_path = g_strdup_printf("%s/map/", appdata->image_path);
495      if(g_file_test(old_path, G_FILE_TEST_IS_DIR)) {
496        printf("old file path %s exists\n", old_path);
497        rmdir_recursive(old_path);
498      }
499    
500      /* It is recommanded that all applications share these same */
501      /* map path, so data is only cached once. The path should be: */
502      /* ~/.osm-gps-map on standard PC     (users home) */
503      /* /home/user/.osm-gps-map on Maemo5 (ext3 on internal card) */
504      /* /media/mmc2/osm-gps-map on Maemo4 (vfat on internal card) */
505    #if !defined(USE_MAEMO)
506      char *p = getenv("HOME");
507      if(!p) p = "/tmp";
508      char *path = g_strdup_printf("%s/.osm-gps-map", p);
509    #else
510    #if MAEMO_VERSION_MAJOR == 5
511      char *path = g_strdup("/home/user/.osm-gps-map");
512    #else
513      char *path = g_strdup("/media/mmc2/osm-gps-map");
514    #endif
515    #endif
516    
   char *path = g_strdup_printf("%s/map/", appdata->image_path);  
517    const char *proxy = get_proxy_uri(appdata);    const char *proxy = get_proxy_uri(appdata);
518    
519    context->widget = g_object_new(OSM_TYPE_GPS_MAP,    context->widget = g_object_new(OSM_TYPE_GPS_MAP,
# Line 502  void map(appdata_t *appdata) { Line 527  void map(appdata_t *appdata) {
527    
528    g_free(path);    g_free(path);
529    
530      osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget));
531    
532    char *name = NULL;    char *name = NULL;
533  #ifdef USE_MAEMO  #ifdef USE_MAEMO
534    if(!appdata->cur_gpx) {    if(!appdata->cur_gpx) {
# Line 526  void map(appdata_t *appdata) { Line 553  void map(appdata_t *appdata) {
553  #ifdef USE_MAEMO  #ifdef USE_MAEMO
554  #ifdef USE_STACKABLE_WINDOW  #ifdef USE_STACKABLE_WINDOW
555    context->window = hildon_stackable_window_new();    context->window = hildon_stackable_window_new();
556      /* try to enable the zoom buttons. don't do this on x86 as it breaks */
557      /* at runtime with cygwin x */
558    #ifndef __i386__
559      g_signal_connect(G_OBJECT(context->window), "realize",
560                       G_CALLBACK(on_window_realize), NULL);
561    #endif // MAEMO_VERSION
562  #else  #else
563    context->window = hildon_window_new();    context->window = hildon_window_new();
564  #endif  #endif
# Line 550  void map(appdata_t *appdata) { Line 583  void map(appdata_t *appdata) {
583    g_signal_connect(G_OBJECT(context->widget), "button-release-event",    g_signal_connect(G_OBJECT(context->widget), "button-release-event",
584                     G_CALLBACK(on_map_button_release_event), context);                     G_CALLBACK(on_map_button_release_event), context);
585    
   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);  
   
586    /* install handler for timed updates of the gps button */    /* install handler for timed updates of the gps button */
587    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
   gtk_box_pack_start(GTK_BOX(vbox), context->gps, FALSE, FALSE, 0);  
   
   gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);  
588    
589  #if MAEMO_VERSION_MAJOR == 5  #if MAEMO_VERSION_MAJOR == 5
590    /* prevent some of the main screen things */    /* prevent some of the main screen things */
# Line 584  void map(appdata_t *appdata) { Line 595  void map(appdata_t *appdata) {
595    g_signal_connect(G_OBJECT(context->window), "destroy",    g_signal_connect(G_OBJECT(context->window), "destroy",
596                     G_CALLBACK(on_window_destroy), context);                     G_CALLBACK(on_window_destroy), context);
597    
598    gtk_container_add(GTK_CONTAINER(context->window), hbox);    gtk_container_add(GTK_CONTAINER(context->window), context->widget);
599    gtk_widget_show_all(GTK_WIDGET(context->window));    gtk_widget_show_all(GTK_WIDGET(context->window));
600  }  }
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