Diff of /trunk/src/goto.c

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revision 231 by harbaum, Mon Dec 7 16:14:50 2009 UTC revision 282 by harbaum, Wed May 26 19:21:47 2010 UTC
# Line 38  Line 38 
38  #define SAT_WIDTH 330  #define SAT_WIDTH 330
39  #define SAT_HEIGHT 60  #define SAT_HEIGHT 60
40    
41    #ifdef ESPEAK
42    #include <espeak/speak_lib.h>
43    
44    #define ESPEAK_TIMEOUT (15000)   // every 15 seconds
45    
46    char *espeak_make_string(float dist, gboolean imperial) {
47      char *retval = NULL;
48    
49      if(!imperial) {
50        /* distance is in kilometers */
51        if(dist < 2.0/1000.0)
52          retval = g_strdup(_("1 meter"));
53        else if(dist < 1.0)
54          retval = g_strdup_printf(_("%u meters"), (int)(dist*1000));
55        else if(dist < 2.0)
56          retval = g_strdup(_("1 kilometer"));
57        else
58          retval = g_strdup_printf(_("%u kilometers"), (int)dist);
59      } else {
60    
61        /* 1 mil = 1760 yd = 5280 ft ... */
62        if(dist < (2.0/5280.0))
63          retval = g_strdup(_("1 foot"));
64        else if(dist < (1.0/1760.0))
65          retval = g_strdup_printf(_("%u feet"), (int)(dist*5280));
66        else if(dist < (2.0/1760.0))
67          retval = g_strdup(_("1 yard"));
68        else if(dist < 1.0)
69          retval = g_strdup_printf(_("%u yard"), (int)(dist*1760));
70        else if(dist < 2.0)
71          retval = g_strdup(_("1 mile"));
72        else
73          retval = g_strdup_printf(_("%u miles"), (int)dist);
74      }
75      return retval;
76    }
77    
78    static gboolean espeak_do(gpointer data) {
79      cache_context_t *context = (cache_context_t*)data;
80    
81      pos_t *pos = gps_get_pos(context->appdata);
82      if(pos && !isnan(pos->lat) && !isnan(pos->lon) &&
83         !isnan(context->gotoc.pos.lat) && !isnan(context->gotoc.pos.lon)) {
84    
85        /* build distance */
86        float dist =
87          gpx_pos_get_distance(*pos, context->gotoc.pos,
88                               context->appdata->imperial);
89    
90        char *talk = espeak_make_string(dist, context->appdata->imperial);
91    
92        unsigned int unique_identifier=0;
93        espeak_Synth(talk, strlen(talk)+1, 0, 0, 0, espeakCHARS_AUTO,
94                     &unique_identifier, NULL);
95    
96        g_free(talk);
97      }
98    
99      return TRUE;  // speak again
100    }
101    
102    static void espeak_enable(cache_context_t *context, gboolean enable) {
103      if(enable) {
104        g_assert(!context->gotoc.espeak_handler);
105    
106        context->gotoc.espeak_handler =
107          gtk_timeout_add(ESPEAK_TIMEOUT, espeak_do, context);
108    
109        espeak_do(context);
110    
111      } else {
112        if(context->gotoc.espeak_handler) {
113          gtk_timeout_remove(context->gotoc.espeak_handler);
114          context->gotoc.espeak_handler = 0;
115        }
116      }
117    }
118    #endif
119    
120  static float rad2deg(float rad) {  static float rad2deg(float rad) {
121    return fmodf(360.0 + (180.0/M_PI) * rad, 360.0);    return fmodf(360.0 + (180.0/M_PI) * rad, 360.0);
122  }  }
# Line 192  static void compass_draw(GtkWidget *widg Line 271  static void compass_draw(GtkWidget *widg
271    
272      pos_t *pos = gps_get_pos(context->appdata);      pos_t *pos = gps_get_pos(context->appdata);
273      if(pos && !isnan(pos->lat) && !isnan(pos->lon)) {      if(pos && !isnan(pos->lat) && !isnan(pos->lon)) {
274        context->appdata->gps = *pos;   /* save position */        context->appdata->gps.saved = *pos;   /* save position */
275    
276        float arot =        float arot =
277          gpx_pos_get_bearing(*pos, context->gotoc.pos) *          gpx_pos_get_bearing(*pos, context->gotoc.pos) *
# Line 274  static void sat_draw(GtkWidget *widget, Line 353  static void sat_draw(GtkWidget *widget,
353                       0, 0, width, height);                       0, 0, width, height);
354    
355    gps_sat_t *sat = gps_get_sats(context->appdata);    gps_sat_t *sat = gps_get_sats(context->appdata);
356    if(sat && sat->num) {    gint sat_num = gps_get_satnum(context->appdata);
357    
358      if(sat && sat_num) {
359      /* setup required colors */      /* setup required colors */
360      GdkGC *used_gc = gdk_gc_new(context->gotoc.sat_pixmap);      GdkGC *used_gc = gdk_gc_new(context->gotoc.sat_pixmap);
361      gdk_gc_copy(used_gc, widget->style->black_gc);      gdk_gc_copy(used_gc, widget->style->black_gc);
# Line 284  static void sat_draw(GtkWidget *widget, Line 365  static void sat_draw(GtkWidget *widget,
365    
366  #define SAT_SPACING 3  #define SAT_SPACING 3
367      int i, x;      int i, x;
368      int swid = (width-SAT_SPACING*(sat->num-1))/sat->num;      int swid = (width-SAT_SPACING*(sat_num-1))/sat_num;
369    
370      /* as of xgps, a ss of 40 and more is "plenty" */      /* as of xgps, a ss of 40 and more is "plenty" */
371      int max_ss = 40;      int max_ss = 40;
372      for(i=0;i<sat->num;i++)      for(i=0;i<sat_num;i++)
373        if(sat->ss[i] > max_ss) sat->ss[i] = max_ss;        if(sat[i].ss > max_ss) sat[i].ss = max_ss;
374    
375      if(swid > 40) {      if(swid > 40) {
376        swid = 40;        swid = 40;
377        x = (width-sat->num*swid)/2;        x = (width-sat_num*swid)/2;
378      } else      } else
379        x = 0;        x = 0;
380    
381      for(i=0;i<sat->num;i++) {      for(i=0;i<sat_num;i++) {
382        char str[32];        char str[32];
383  #ifdef USE_MAEMO  #ifdef USE_MAEMO
384        snprintf(str, sizeof(str), "<span size=\"small\">%d</span>", sat->PRN[i]);        snprintf(str, sizeof(str), "<span size=\"small\">%d</span>", sat[i].prn);
385        PangoLayout *layout = gtk_widget_create_pango_layout(widget, NULL);        PangoLayout *layout = gtk_widget_create_pango_layout(widget, NULL);
386        pango_layout_set_markup(layout, str, strlen(str));        pango_layout_set_markup(layout, str, strlen(str));
387  #else  #else
388        snprintf(str, sizeof(str), "%d", sat->PRN[i]);        snprintf(str, sizeof(str), "%d", sat[i].prn);
389        PangoLayout *layout = gtk_widget_create_pango_layout(widget, str);        PangoLayout *layout = gtk_widget_create_pango_layout(widget, str);
390  #endif  #endif
391    
# Line 316  static void sat_draw(GtkWidget *widget, Line 397  static void sat_draw(GtkWidget *widget,
397    
398        g_object_unref(layout);        g_object_unref(layout);
399    
400        int h = (height-th) * sat->ss[i] / max_ss;        int h = (height-th) * sat[i].ss / max_ss;
401    
402        gdk_draw_rectangle(context->gotoc.sat_pixmap,        gdk_draw_rectangle(context->gotoc.sat_pixmap,
403                   sat->used[i]?used_gc:widget->style->fg_gc[GTK_STATE_NORMAL],                   sat[i].used?used_gc:widget->style->fg_gc[GTK_STATE_NORMAL],
404                   TRUE, x, height-h-th, swid, h);                   TRUE, x, height-h-th, swid, h);
405    
406        x += SAT_SPACING+swid;        x += SAT_SPACING+swid;
407      }      }
408    
     /* free sat infos */  
     free(sat->PRN);  
     free(sat->ss);  
     free(sat->used);  
409    } else {    } else {
410      PangoLayout *layout =      PangoLayout *layout =
411        gtk_widget_create_pango_layout(widget, _("No SAT info"));        gtk_widget_create_pango_layout(widget, _("No SAT info"));
# Line 340  static void sat_draw(GtkWidget *widget, Line 417  static void sat_draw(GtkWidget *widget,
417    
418      g_object_unref(layout);      g_object_unref(layout);
419    }    }
   
   /* free the sat structure */  
   if(sat)  
     free(sat);  
420  }  }
421    
422  /* Create a new backing pixmap of the appropriate size */  /* Create a new backing pixmap of the appropriate size */
# Line 383  gint goto_destroy_event(GtkWidget *widge Line 456  gint goto_destroy_event(GtkWidget *widge
456    
457    printf("destroying goto view\n");    printf("destroying goto view\n");
458    
459    #ifdef ESPEAK
460      espeak_enable(context, FALSE);
461    #endif
462    
463    /* stop timer */    /* stop timer */
464    if(context->gotoc.handler_id)    if(context->gotoc.handler_id)
465      gtk_timeout_remove(context->gotoc.handler_id);      gtk_timeout_remove(context->gotoc.handler_id);
# Line 477  static void pos_modified(GtkWidget *widg Line 554  static void pos_modified(GtkWidget *widg
554    goto_update(context);    goto_update(context);
555  }  }
556    
557    #ifdef ESPEAK
558    static void espeak_clicked(GtkWidget *widget, gpointer data) {
559      cache_context_t *context = (cache_context_t*)data;
560    
561      GtkWidget *icon = gtk_button_get_image(GTK_BUTTON(widget));
562      gtk_widget_destroy(icon);
563      context->appdata->espeak.enabled = !context->appdata->espeak.enabled;
564      gtk_button_set_image(GTK_BUTTON(widget), icon_get_widget(ICON_MISC,
565                           context->appdata->espeak.enabled?6:7));
566    
567      espeak_enable(context, context->appdata->espeak.enabled);
568    }
569    #endif
570    
571    /* create "goto" tab */
572  GtkWidget *goto_cache(cache_context_t *context) {  GtkWidget *goto_cache(cache_context_t *context) {
573    int i;    int i;
574    
# Line 534  GtkWidget *goto_cache(cache_context_t *c Line 626  GtkWidget *goto_cache(cache_context_t *c
626    /* -------------- distance label ------------------------- */    /* -------------- distance label ------------------------- */
627    gtk_table_attach_defaults(GTK_TABLE(table), left_label_new(_("Distance:")), 0,1,2,3);    gtk_table_attach_defaults(GTK_TABLE(table), left_label_new(_("Distance:")), 0,1,2,3);
628    gtk_table_attach_defaults(GTK_TABLE(table),    gtk_table_attach_defaults(GTK_TABLE(table),
629              (context->gotoc.distance_label = left_label_new("-----")), 1,2,2,3);              (context->gotoc.distance_label = gtk_label_new("-----")), 1,2,2,3);
630    
631    /* -------------- bearing label ------------------------- */    /* -------------- bearing label ------------------------- */
632    gtk_table_attach_defaults(GTK_TABLE(table), left_label_new(_("Bearing:")), 0,1,3,4);    gtk_table_attach_defaults(GTK_TABLE(table), left_label_new(_("Bearing:")), 0,1,3,4);
633    gtk_table_attach_defaults(GTK_TABLE(table),    gtk_table_attach_defaults(GTK_TABLE(table),
634              (context->gotoc.bearing_label = left_label_new("-----")), 1,2,3,4);              (context->gotoc.bearing_label = gtk_label_new("-----")), 1,2,3,4);
635    
636    /* -------------- error label ------------------------- */    /* -------------- error label ------------------------- */
637    gtk_table_attach_defaults(GTK_TABLE(table), left_label_new(_("Est. error:")), 0,1,4,5);    gtk_table_attach_defaults(GTK_TABLE(table), left_label_new(_("Est. error:")), 0,1,4,5);
638    gtk_table_attach_defaults(GTK_TABLE(table),    gtk_table_attach_defaults(GTK_TABLE(table),
639              (context->gotoc.eph_label = left_label_new("-----")), 1,2,4,5);              (context->gotoc.eph_label = gtk_label_new("-----")), 1,2,4,5);
640    
641    gtk_table_set_row_spacing(GTK_TABLE(table), 4, 16);    gtk_table_set_row_spacing(GTK_TABLE(table), 4, 16);
642    
# Line 564  GtkWidget *goto_cache(cache_context_t *c Line 656  GtkWidget *goto_cache(cache_context_t *c
656    
657    gtk_box_pack_start(GTK_BOX(ihbox), context->gotoc.sat_area, 1,0,0);    gtk_box_pack_start(GTK_BOX(ihbox), context->gotoc.sat_area, 1,0,0);
658    
659    #ifdef ESPEAK
660      GtkWidget *ivbox = gtk_vbox_new(FALSE, 0);
661      GtkWidget *button = button_new();
662      gtk_button_set_image(GTK_BUTTON(button), icon_get_widget(ICON_MISC,
663                           context->appdata->espeak.enabled?6:7));
664      gtk_signal_connect (GTK_OBJECT(button), "clicked",
665                          GTK_SIGNAL_FUNC(espeak_clicked), context);
666      if(context->appdata->espeak.sample_rate < 0)
667        gtk_widget_set_sensitive(button, FALSE);
668      else
669        if(context->appdata->espeak.enabled)
670          espeak_enable(context, TRUE);
671    
672      gtk_box_pack_start(GTK_BOX(ivbox), button, 1,0,0);
673      gtk_box_pack_start(GTK_BOX(ihbox), ivbox, 1,0,0);
674    #endif
675    
676    gtk_table_attach_defaults(GTK_TABLE(table), ihbox, 0,3,5,6);    gtk_table_attach_defaults(GTK_TABLE(table), ihbox, 0,3,5,6);
677    
678    /* ------------------------------------------------------- */    /* ------------------------------------------------------- */
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