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

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revision 38 by harbaum, Sun Aug 2 18:37:10 2009 UTC revision 45 by harbaum, Tue Aug 4 19:27:39 2009 UTC
# Line 24  Line 24 
24  #include "osm-gps-map.h"  #include "osm-gps-map.h"
25  #endif  #endif
26    
27    /* equatorial radius in meters */
28    #define EQ_RADIUS     (6378137.0)
29    
30    #define RAD2DEG(a)  (((a)*180.0)/M_PI)
31    #define DEG2RAD(a)  (((a)*M_PI)/180.0)
32    
33  typedef struct {  typedef struct {
34    appdata_t *appdata;    appdata_t *appdata;
35    GtkWidget *widget;    GtkWidget *widget;
36    GtkWidget *zoomin, *zoomout, *gps;    GtkWidget *zoomin, *zoomout, *gps;
37    gint handler_id;    gint handler_id;
38      cache_t *press_on;
39    #if MAEMO_VERSION_MAJOR == 5
40      GtkWidget *old_view;
41    #endif
42  } map_context_t;  } map_context_t;
43    
44  #define PROXY_KEY  "/system/http_proxy/"  #define PROXY_KEY  "/system/http_proxy/"
# Line 112  static GtkWidget Line 122  static GtkWidget
122                  char *tooltip) {                  char *tooltip) {
123    GtkWidget *button = gtk_button_new();    GtkWidget *button = gtk_button_new();
124    gtk_button_set_image(GTK_BUTTON(button),    gtk_button_set_image(GTK_BUTTON(button),
125                         gtk_image_new_from_stock(icon, GTK_ICON_SIZE_MENU));                         gtk_image_new_from_stock(icon, GTK_ICON_SIZE_BUTTON));
126    g_signal_connect(button, "clicked", cb, data);    g_signal_connect(button, "clicked", cb, data);
127  #ifndef USE_MAEMO  #ifndef USE_MAEMO
128    gtk_widget_set_tooltip_text(button, tooltip);    gtk_widget_set_tooltip_text(button, tooltip);
# Line 152  static void map_draw_cachelist(GtkWidget Line 162  static void map_draw_cachelist(GtkWidget
162    }    }
163  }  }
164    
165  void map(appdata_t *appdata) {  /* draw a nice popup */
166    map_context_t context;  typedef struct {
167    context.appdata = appdata;    appdata_t *appdata;
168      GtkWidget *window;
169      GMainLoop *loop;
170    } popup_context_t;
171    
   GtkWidget *dialog = gtk_dialog_new_with_buttons(_("Map"),  
                           GTK_WINDOW(appdata->window),  
                           GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,  
                           GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,  
                           NULL);  
172    
173  #ifndef USE_MAEMO  #ifndef USE_HILDON
174    gtk_window_set_default_size(GTK_WINDOW(dialog), 400, 350);  #define POPUP_WIDTH  300
175    #define POPUP_HEIGHT 100
176  #else  #else
177    gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480);  #define POPUP_WIDTH  600
178    #define POPUP_HEIGHT 200
179    #endif
180    
181    static gboolean
182    pointer_in_window(GtkWidget *widget, gint x_root, gint y_root) {
183      if(GTK_WIDGET_MAPPED(gtk_widget_get_toplevel(widget))) {
184        gint window_x, window_y;
185    
186        gdk_window_get_position(gtk_widget_get_toplevel(widget)->window,
187                                &window_x, &window_y);
188    
189        if(x_root >= window_x && x_root < window_x + widget->allocation.width &&
190            y_root >= window_y && y_root < window_y + widget->allocation.height)
191          return TRUE;
192      }
193    
194      return FALSE;
195    }
196    
197    static gboolean
198    on_button_press_event(GtkWidget *widget,
199                              GdkEventButton *event, popup_context_t *context) {
200      gboolean in = pointer_in_window(widget, event->x_root, event->y_root);
201    
202      printf("overlay button press (in = %d)\n", in);
203      return !in;
204    }
205    
206    static gboolean
207    on_button_release_event(GtkWidget *widget,
208                              GdkEventButton *event, popup_context_t *context) {
209      gboolean in = pointer_in_window(widget, event->x_root, event->y_root);
210    
211      printf("overlay button release (in = %d)\n", in);
212    
213      if(!in) {
214        printf("destroying popup\n");
215        gtk_widget_destroy(gtk_widget_get_toplevel(widget));
216      }
217    
218      return !in;
219    }
220    
221    static void
222    shutdown_loop(popup_context_t *context) {
223      if(g_main_loop_is_running(context->loop))
224        g_main_loop_quit(context->loop);
225    }
226    
227    static gint
228    run_delete_handler(GtkWindow *window, GdkEventAny *event,
229                       popup_context_t *context) {
230      shutdown_loop(context);
231      return TRUE; /* Do not destroy */
232    }
233    
234    static void
235    run_destroy_handler(GtkWindow *window, popup_context_t *context) {
236      /* shutdown_loop will be called by run_unmap_handler */
237      printf("popup destroyed\n");
238    }
239    
240    static void
241    run_unmap_handler(GtkWindow *window, popup_context_t *context) {
242      shutdown_loop(context);
243    }
244    
245    void cache_popup(map_context_t *mcontext, cache_t *cache) {
246      popup_context_t pcontext;
247      pcontext.appdata = mcontext->appdata;
248    
249      pcontext.window = gtk_window_new(GTK_WINDOW_POPUP);
250      gtk_widget_realize(pcontext.window);
251      gtk_window_set_default_size(GTK_WINDOW(pcontext.window),
252                                  POPUP_WIDTH, POPUP_HEIGHT);
253      gtk_window_resize(GTK_WINDOW(pcontext.window), POPUP_WIDTH, POPUP_HEIGHT);
254      //  gtk_window_set_resizable(GTK_WINDOW(pcontext.window), FALSE);
255      gtk_window_set_transient_for(GTK_WINDOW(pcontext.window),
256                                   GTK_WINDOW(mcontext->appdata->window));
257      gtk_window_set_keep_above(GTK_WINDOW(pcontext.window), TRUE);
258      gtk_window_set_destroy_with_parent(GTK_WINDOW(pcontext.window), TRUE);
259      gtk_window_set_gravity(GTK_WINDOW(pcontext.window), GDK_GRAVITY_STATIC);
260      gtk_window_set_modal(GTK_WINDOW(pcontext.window), TRUE);
261    
262      /* connect events */
263      g_signal_connect(G_OBJECT(pcontext.window), "button-press-event",
264                       G_CALLBACK(on_button_press_event), &pcontext);
265      g_signal_connect(G_OBJECT(pcontext.window), "button-release-event",
266                       G_CALLBACK(on_button_release_event), &pcontext);
267      g_signal_connect(G_OBJECT(pcontext.window), "delete-event",
268                       G_CALLBACK(run_delete_handler), &pcontext);
269      g_signal_connect(G_OBJECT(pcontext.window), "destroy",
270                       G_CALLBACK(run_destroy_handler), &pcontext);
271      g_signal_connect(G_OBJECT(pcontext.window), "unmap",
272                       G_CALLBACK(run_unmap_handler), &pcontext);
273    
274      gdk_pointer_grab(pcontext.window->window, TRUE,
275         GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK,
276                       NULL, NULL, GDK_CURRENT_TIME);
277      gtk_grab_add(pcontext.window);
278    
279      /* check whether cache is in upper or lower half of window */
280      gint x, y, sx, sy;
281      osm_gps_map_geographic_to_screen(OSM_GPS_MAP(mcontext->widget),
282                                       cache->pos.lat, cache->pos.lon,
283                                       &sx, &sy);
284    
285      printf("screen pos %d/%d\n", sx, sy);
286    
287      gdk_window_get_origin(mcontext->widget->window, &x, &y);
288      printf("window = %d/%d +%d+%d %d*%d\n", x, y,
289             mcontext->widget->allocation.x,
290             mcontext->widget->allocation.y,
291             mcontext->widget->allocation.width,
292             mcontext->widget->allocation.height
293             );
294    
295      gint ax = 0, ay = 0;
296      if(sx > mcontext->widget->allocation.width/2)
297        ax = POPUP_WIDTH;
298    
299      if(sy > mcontext->widget->allocation.height/2)
300        ay = POPUP_HEIGHT;
301    
302      gtk_window_move(GTK_WINDOW(pcontext.window),
303                      x + mcontext->widget->allocation.x + sx - ax,
304                      y + mcontext->widget->allocation.y + sy - ay);
305    
306      /* a frame with a vscale inside */
307      GtkWidget *frame = gtk_frame_new(NULL);
308      gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_OUT);
309    
310      gtk_container_add(GTK_CONTAINER(frame), gtk_label_new(cache->name));
311      gtk_container_add(GTK_CONTAINER(pcontext.window), frame);
312    
313      gtk_widget_show_all(pcontext.window);
314    
315      /* handle this popup until it's gone */
316    
317      pcontext.loop = g_main_loop_new(NULL, FALSE);
318    
319      GDK_THREADS_LEAVE();
320      g_main_loop_run(pcontext.loop);
321      GDK_THREADS_ENTER();
322    
323      g_main_loop_unref(pcontext.loop);
324    
325      printf("cache popup removed\n");
326    }
327    
328    static void
329    map_cachelist_nearest(cache_t *cache, pos_t *pos,
330                          cache_t **result, float *distance) {
331      while(cache) {
332        float dist =
333          pow(cache->pos.lat - pos->lat, 2) +
334          pow(cache->pos.lon - pos->lon, 2);
335    
336        if(!(dist > *distance)) {
337          *result = cache;
338          *distance = dist;
339        }
340    
341        cache = cache->next;
342      }
343    }
344    
345    static cache_t *map_closest(map_context_t *context, pos_t *pos) {
346      cache_t *result = NULL;
347      float distance = NAN;
348    
349    #ifdef USE_MAEMO
350      if(!context->appdata->cur_gpx) {
351    #endif
352        /* search all geocaches */
353        gpx_t *gpx = context->appdata->gpx;
354        while(gpx) {
355          map_cachelist_nearest(gpx->cache, pos, &result, &distance);
356          gpx = gpx->next;
357        }
358    #ifdef USE_MAEMO
359      } else {
360        map_cachelist_nearest(context->appdata->cur_gpx->cache,
361                              pos, &result, &distance);
362      }
363  #endif  #endif
364    
365      return result;
366    }
367    
368    /* translate between osm-gps-map positions and gpxview ones */
369    pos_t coord2pos(coord_t coo) {
370      pos_t pos;
371      pos.lat = RAD2DEG(coo.rlat);
372      pos.lon = RAD2DEG(coo.rlon);
373      return pos;
374    }
375    
376    static int dist2pixel(map_context_t *context, float km, float lat) {
377      int zoom;
378      g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL);
379    
380      /* world at zoom 1 == 512 pixels */
381      float m_per_pix =
382        cos(DEG2RAD(lat))*2*M_PI*EQ_RADIUS/(1<<(8+zoom));
383    
384      return 1000.0*km/m_per_pix;
385    }
386    
387    #define CLICK_FUZZ (16)
388    
389    static gboolean
390    on_map_button_press_event(GtkWidget *widget,
391                                GdkEventButton *event, map_context_t *context) {
392      OsmGpsMap *map = OSM_GPS_MAP(context->widget);
393    
394      /* got a press event without release event? eat it! */
395      if(context->press_on != NULL) {
396        printf("PRESS: already\n");
397        return TRUE;
398      }
399    
400      pos_t pos =
401        coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
402    
403      cache_t *nearest = map_closest(context, &pos);
404      if(nearest) {
405        float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);
406        if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ)
407          context->press_on = nearest;
408      }
409    
410      return FALSE;
411    }
412    
413    static gboolean
414    on_map_button_release_event(GtkWidget *widget,
415                                GdkEventButton *event, map_context_t *context) {
416      if(context->press_on) {
417        OsmGpsMap *map = OSM_GPS_MAP(context->widget);
418    
419        pos_t pos =
420          coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y));
421    
422        cache_t *nearest = map_closest(context, &pos);
423        if(nearest && nearest == context->press_on) {
424          float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE);
425          if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ)
426            cache_popup(context, nearest);
427        }
428        context->press_on = NULL;
429      }
430    
431      return FALSE;
432    }
433    
434    
435    #if MAEMO_VERSION_MAJOR == 5
436    static void on_window_destroy(GtkWidget *widget, map_context_t *context) {
437      printf("destroy map view\n");
438    
439      /* restore cur_view */
440      context->appdata->cur_view = context->old_view;
441    
442      gtk_timeout_remove(context->handler_id);
443      g_free(context);
444    }
445    #endif
446    
447    void map(appdata_t *appdata) {
448      map_context_t *context = g_new0(map_context_t, 1);
449      context->appdata = appdata;
450    
451    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);
452    
453    char *path = g_strdup_printf("%s/map/", appdata->image_path);    char *path = g_strdup_printf("%s/map/", appdata->image_path);
454    const char *proxy = get_proxy_uri(appdata);    const char *proxy = get_proxy_uri(appdata);
455    
456    context.widget = g_object_new(OSM_TYPE_GPS_MAP,    context->widget = g_object_new(OSM_TYPE_GPS_MAP,
457                  "repo-uri", MAP_SOURCE_OPENSTREETMAP,                  "repo-uri", MAP_SOURCE_OPENSTREETMAP,
458                  "tile-cache", path,                  "tile-cache", path,
459                  proxy?"proxy-uri":NULL, proxy,                  proxy?"proxy-uri":NULL, proxy,
# Line 181  void map(appdata_t *appdata) { Line 461  void map(appdata_t *appdata) {
461    
462    g_free(path);    g_free(path);
463    
464    /* draw all geocaches */    char *name = NULL;
465    gpx_t *gpx = appdata->gpx;  #ifdef USE_MAEMO
466    while(gpx) {    if(!appdata->cur_gpx) {
467      map_draw_cachelist(context.widget, gpx->cache);  #endif
468      gpx = gpx->next;      /* draw all geocaches */
469        gpx_t *gpx = appdata->gpx;
470        while(gpx) {
471          map_draw_cachelist(context->widget, gpx->cache);
472          gpx = gpx->next;
473        }
474        name = g_strdup(_("all geocaches"));
475    #ifdef USE_MAEMO
476      } else {
477        map_draw_cachelist(context->widget, appdata->cur_gpx->cache);
478        name = g_strdup(appdata->cur_gpx->name);
479    }    }
480    #endif
481    
482      char *title = g_strdup_printf(_("Map - %s"), name);
483      g_free(name);
484    
485    #if MAEMO_VERSION_MAJOR == 5
486      GtkWidget *window = hildon_stackable_window_new();
487      gtk_window_set_title(GTK_WINDOW(window), title);
488    #else
489      GtkWidget *dialog = gtk_dialog_new_with_buttons(title,
490                              GTK_WINDOW(appdata->window),
491                              GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
492                              GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
493                              NULL);
494    
495    g_signal_connect(G_OBJECT(context.widget), "configure-event",  #ifndef USE_MAEMO
496                     G_CALLBACK(on_map_configure), &context);    gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 480);
497  #if 0  #else
498    g_signal_connect(G_OBJECT(context.widget), "button-release-event",    gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480);
499                     G_CALLBACK(on_map_button_release_event), &context);  #endif
500  #endif  #endif
501    
502    gtk_box_pack_start_defaults(GTK_BOX(hbox), context.widget);    g_free(title);
503    
504      g_signal_connect(G_OBJECT(context->widget), "configure-event",
505                       G_CALLBACK(on_map_configure), context);
506    
507      g_signal_connect(G_OBJECT(context->widget), "button-press-event",
508                       G_CALLBACK(on_map_button_press_event), context);
509    
510      g_signal_connect(G_OBJECT(context->widget), "button-release-event",
511                       G_CALLBACK(on_map_button_release_event), context);
512    
513      gtk_box_pack_start_defaults(GTK_BOX(hbox), context->widget);
514    /* zoom button box */    /* zoom button box */
515    GtkWidget *vbox = gtk_vbox_new(FALSE,0);    GtkWidget *vbox = gtk_vbox_new(FALSE,0);
516    
517    context.zoomin =    context->zoomin =
518      map_add_button(GTK_STOCK_ZOOM_IN, G_CALLBACK(cb_map_zoomin),      map_add_button(GTK_STOCK_ZOOM_IN, G_CALLBACK(cb_map_zoomin),
519                     &context, _("Zoom in"));                     context, _("Zoom in"));
520    gtk_box_pack_start(GTK_BOX(vbox), context.zoomin, FALSE, FALSE, 0);    gtk_box_pack_start(GTK_BOX(vbox), context->zoomin, FALSE, FALSE, 0);
521    
522    context.zoomout =    context->zoomout =
523      map_add_button(GTK_STOCK_ZOOM_OUT, G_CALLBACK(cb_map_zoomout),      map_add_button(GTK_STOCK_ZOOM_OUT, G_CALLBACK(cb_map_zoomout),
524                     &context, _("Zoom out"));                     context, _("Zoom out"));
525    gtk_box_pack_start(GTK_BOX(vbox), context.zoomout, FALSE, FALSE, 0);    gtk_box_pack_start(GTK_BOX(vbox), context->zoomout, FALSE, FALSE, 0);
526    
527    context.gps =    context->gps =
528      map_add_button(GTK_STOCK_HOME, G_CALLBACK(cb_map_gps),      map_add_button(GTK_STOCK_HOME, G_CALLBACK(cb_map_gps),
529                     &context, _("Jump to GPS position"));                     context, _("Jump to GPS position"));
530    gtk_widget_set_sensitive(context.gps, FALSE);    gtk_widget_set_sensitive(context->gps, FALSE);
531    /* install handler for timed updates of the gps button */    /* install handler for timed updates of the gps button */
532    context.handler_id = gtk_timeout_add(1000, map_gps_update, &context);    context->handler_id = gtk_timeout_add(1000, map_gps_update, context);
533    gtk_box_pack_start(GTK_BOX(vbox), context.gps, FALSE, FALSE, 0);    gtk_box_pack_start(GTK_BOX(vbox), context->gps, FALSE, FALSE, 0);
534    
535    gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);    gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
536    
537    #if MAEMO_VERSION_MAJOR == 5
538      /* prevent some of the main screen things */
539      context->old_view = appdata->cur_view;
540      appdata->cur_view = NULL;
541    
542      g_signal_connect(G_OBJECT(window), "destroy",
543                       G_CALLBACK(on_window_destroy), context);
544    
545      gtk_container_add(GTK_CONTAINER(window), hbox);
546      gtk_widget_show_all(GTK_WIDGET(window));
547    
548    #else
549    gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox);    gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox);
   
550    gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);    gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);
   
551    gtk_widget_show_all(dialog);    gtk_widget_show_all(dialog);
   
552    gtk_dialog_run(GTK_DIALOG(dialog));    gtk_dialog_run(GTK_DIALOG(dialog));
553      gtk_timeout_remove(context->handler_id);
   gtk_timeout_remove(context.handler_id);  
   
554    gtk_widget_destroy(dialog);    gtk_widget_destroy(dialog);
555      g_free(context);
556    #endif
557  }  }
Legend:
Removed from v.38  
changed lines
  Added in v.45