src/viktrwlayer_tpwin.c

   1 /*
   2  * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
   3  *
   4  * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include "config.h"
  24 #endif
  25
  26 #include <gtk/gtk.h>
  27 #include <glib/gi18n.h>
  28 #include <time.h>
  29
  30 #include "coords.h"
  31 #include "vikcoord.h"
  32 #include "viktrack.h"
  33 #include "viktrwlayer_tpwin.h"
  34 #include "vikwaypoint.h"
  35 #include "dialog.h"
  36
  37 #define SET_BUTTON_SENSITIVE(tpwin,num,sens) gtk_widget_set_sensitive ( GTK_WIDGET(g_list_nth_data((tpwin->buttons),(num))), (sens));
  38
  39 struct _VikTrwLayerTpwin {
  40   GtkDialog parent;
  41   GtkSpinButton *lat, *lon, *alt;
  42   GtkLabel *track_name, *ts, *localtime, *diff_dist, *diff_time, *diff_speed;
  43   GList *buttons;
  44   VikTrackpoint *cur_tp;
  45   gboolean cur_tp_is_endpoint; /* for join */
  46
  47   gboolean sync_to_tp_block;
  48 };
  49
  50 GType vik_trw_layer_tpwin_get_type (void)
  51 {
  52   static GType tpwin_type = 0;
  53
  54   if (!tpwin_type)
  55   {
  56     static const GTypeInfo tpwin_info =
  57     {
  58       sizeof (VikTrwLayerTpwinClass),
  59       NULL, /* base_init */
  60       NULL, /* base_finalize */
  61       NULL, /* class init */
  62       NULL, /* class_finalize */
  63       NULL, /* class_data */
  64       sizeof (VikTrwLayerTpwin),
  65       0,
  66       NULL /* instance init */
  67     };
  68     tpwin_type = g_type_register_static ( GTK_TYPE_DIALOG, "VikTrwLayerTpwin", &tpwin_info, 0 );
  69   }
  70
  71   return tpwin_type;
  72 }
  73
  74 static void tpwin_sync_ll_to_tp ( VikTrwLayerTpwin *tpwin )
  75 {
  76   if ( tpwin->cur_tp && (!tpwin->sync_to_tp_block) )
  77   {
  78     struct LatLon ll;
  79     VikCoord coord;
  80     ll.lat = gtk_spin_button_get_value ( tpwin->lat );
  81     ll.lon = gtk_spin_button_get_value ( tpwin->lon );
  82     vik_coord_load_from_latlon ( &coord, tpwin->cur_tp->coord.mode, &ll );
  83
  84     /* don't redraw unless we really have to */
  85     if ( vik_coord_diff(&(tpwin->cur_tp->coord), &coord) > 0.05 ) /* may not be exact due to rounding */
  86     {
  87       tpwin->cur_tp->coord = coord;
  88       gtk_dialog_response ( GTK_DIALOG(tpwin), VIK_TRW_LAYER_TPWIN_DATA_CHANGED );
  89     }
  90   }
  91 }
  92
  93 static void tpwin_sync_alt_to_tp ( VikTrwLayerTpwin *tpwin )
  94 {
  95   if ( tpwin->cur_tp && (!tpwin->sync_to_tp_block) )
  96     tpwin->cur_tp->altitude = gtk_spin_button_get_value ( tpwin->alt );
  97 }
  98
  99 VikTrwLayerTpwin *vik_trw_layer_tpwin_new ( GtkWindow *parent )
 100 {
 101   static gchar *left_label_texts[] = { N_("<b>Part of Track:</b>"),
 102                                        N_("<b>Latitude:</b>"),
 103                                        N_("<b>Longitude:</b>"),
 104                                        N_("<b>Altitude:</b>"),
 105                                        N_("<b>Timestamp:</b>"),
 106                                        N_("<b>Time:</b>") };
 107   static gchar *right_label_texts[] = { N_("<b>Distance Difference:</b>"),
 108                                         N_("<b>Time Difference:</b>"),
 109                                         N_("<b>\"Speed\" Between:</b>") };
 110
 111   VikTrwLayerTpwin *tpwin = VIK_TRW_LAYER_TPWIN ( g_object_new ( VIK_TRW_LAYER_TPWIN_TYPE, NULL ) );
 112   GtkWidget *main_hbox, *left_vbox, *right_vbox;
 113   GtkWidget *diff_left_vbox, *diff_right_vbox;
 114
 115
 116   gtk_window_set_transient_for ( GTK_WINDOW(tpwin), parent );
 117   gtk_window_set_title ( GTK_WINDOW(tpwin), _("Trackpoint") );
 118
 119   gtk_dialog_add_buttons ( GTK_DIALOG(tpwin),
 120       GTK_STOCK_CLOSE, VIK_TRW_LAYER_TPWIN_CLOSE,
 121       GTK_STOCK_DELETE, VIK_TRW_LAYER_TPWIN_DELETE,
 122       _("Split Here"), VIK_TRW_LAYER_TPWIN_SPLIT,
 123       _("Join With Last"), VIK_TRW_LAYER_TPWIN_JOIN,
 124       GTK_STOCK_GO_BACK, VIK_TRW_LAYER_TPWIN_BACK,
 125       GTK_STOCK_GO_FORWARD, VIK_TRW_LAYER_TPWIN_FORWARD,
 126       NULL );
 127   tpwin->buttons = gtk_container_get_children(GTK_CONTAINER(GTK_DIALOG(tpwin)->action_area));
 128
 129   /* main track info */
 130   left_vbox = a_dialog_create_label_vbox ( left_label_texts, sizeof(left_label_texts) / sizeof(left_label_texts[0]) );
 131
 132   tpwin->track_name = GTK_LABEL(gtk_label_new(NULL));
 133   tpwin->ts = GTK_LABEL(gtk_label_new(NULL));
 134   tpwin->localtime = GTK_LABEL(gtk_label_new(NULL));
 135
 136   tpwin->lat = GTK_SPIN_BUTTON(gtk_spin_button_new( GTK_ADJUSTMENT(gtk_adjustment_new (
 137                                  0, -90, 90, 0.00005, 0.01, 0 )), 0.00005, 6));
 138   tpwin->lon = GTK_SPIN_BUTTON(gtk_spin_button_new( GTK_ADJUSTMENT(gtk_adjustment_new (
 139                                  0, -180, 180, 0.00005, 0.01, 0 )), 0.00005, 6));
 140
 141   g_signal_connect_swapped ( G_OBJECT(tpwin->lat), "value-changed", G_CALLBACK(tpwin_sync_ll_to_tp), tpwin );
 142   g_signal_connect_swapped ( G_OBJECT(tpwin->lon), "value-changed", G_CALLBACK(tpwin_sync_ll_to_tp), tpwin );
 143
 144   tpwin->alt = GTK_SPIN_BUTTON(gtk_spin_button_new( GTK_ADJUSTMENT(gtk_adjustment_new (
 145                                  0, -1000, 25000, 10, 100, 0 )), 10, 2));
 146
 147   g_signal_connect_swapped ( G_OBJECT(tpwin->alt), "value-changed", G_CALLBACK(tpwin_sync_alt_to_tp), tpwin );
 148
 149   right_vbox = gtk_vbox_new( TRUE, 3 );
 150   gtk_box_pack_start ( GTK_BOX(right_vbox), GTK_WIDGET(tpwin->track_name), FALSE, TRUE, 0 );
 151   gtk_box_pack_start ( GTK_BOX(right_vbox), GTK_WIDGET(tpwin->lat), FALSE, TRUE, 0 );
 152   gtk_box_pack_start ( GTK_BOX(right_vbox), GTK_WIDGET(tpwin->lon), FALSE, TRUE, 0 );
 153   gtk_box_pack_start ( GTK_BOX(right_vbox), GTK_WIDGET(tpwin->alt), FALSE, TRUE, 0 );
 154   gtk_box_pack_start ( GTK_BOX(right_vbox), GTK_WIDGET(tpwin->ts), FALSE, TRUE, 5 );
 155   gtk_box_pack_start ( GTK_BOX(right_vbox), GTK_WIDGET(tpwin->localtime), FALSE, TRUE, 5 );
 156
 157   /* diff info */
 158   diff_left_vbox = a_dialog_create_label_vbox ( right_label_texts, sizeof(right_label_texts) / sizeof(right_label_texts[0]) );
 159
 160   tpwin->diff_dist = GTK_LABEL(gtk_label_new(NULL));
 161   tpwin->diff_time = GTK_LABEL(gtk_label_new(NULL));
 162   tpwin->diff_speed = GTK_LABEL(gtk_label_new(NULL));
 163
 164   diff_right_vbox = gtk_vbox_new ( TRUE, 3 );
 165   gtk_box_pack_start ( GTK_BOX(diff_right_vbox), GTK_WIDGET(tpwin->diff_dist), FALSE, TRUE, 5 );
 166   gtk_box_pack_start ( GTK_BOX(diff_right_vbox), GTK_WIDGET(tpwin->diff_time), FALSE, TRUE, 5 );
 167   gtk_box_pack_start ( GTK_BOX(diff_right_vbox), GTK_WIDGET(tpwin->diff_speed), FALSE, TRUE, 5 );
 168
 169   main_hbox = gtk_hbox_new( TRUE, 0 );
 170   gtk_box_pack_start ( GTK_BOX(main_hbox), left_vbox, TRUE, TRUE, 0 );
 171   gtk_box_pack_start ( GTK_BOX(main_hbox), right_vbox, TRUE, TRUE, 0 );
 172   gtk_box_pack_start ( GTK_BOX(main_hbox), diff_left_vbox, TRUE, TRUE, 0 );
 173   gtk_box_pack_start ( GTK_BOX(main_hbox), diff_right_vbox, TRUE, TRUE, 0 );
 174
 175   gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(tpwin)->vbox), main_hbox, FALSE, FALSE, 0 );
 176
 177   tpwin->cur_tp = NULL;
 178
 179   return tpwin;
 180 }
 181
 182 void vik_trw_layer_tpwin_set_empty ( VikTrwLayerTpwin *tpwin )
 183 {
 184   gtk_label_set_text ( tpwin->track_name, NULL );
 185   gtk_label_set_text ( tpwin->ts, NULL );
 186   gtk_label_set_text ( tpwin->localtime, NULL );
 187
 188   gtk_widget_set_sensitive ( GTK_WIDGET(tpwin->lat), FALSE );
 189   gtk_widget_set_sensitive ( GTK_WIDGET(tpwin->lon), FALSE );
 190   gtk_widget_set_sensitive ( GTK_WIDGET(tpwin->alt), FALSE );
 191
 192   SET_BUTTON_SENSITIVE ( tpwin, VIK_TRW_LAYER_TPWIN_SPLIT, FALSE );
 193   SET_BUTTON_SENSITIVE ( tpwin, VIK_TRW_LAYER_TPWIN_DELETE, FALSE );
 194   SET_BUTTON_SENSITIVE ( tpwin, VIK_TRW_LAYER_TPWIN_FORWARD, FALSE );
 195   SET_BUTTON_SENSITIVE ( tpwin, VIK_TRW_LAYER_TPWIN_BACK, FALSE );
 196   SET_BUTTON_SENSITIVE ( tpwin, VIK_TRW_LAYER_TPWIN_JOIN, FALSE );
 197   gtk_label_set_text ( tpwin->diff_dist, NULL );
 198   gtk_label_set_text ( tpwin->diff_time, NULL );
 199   gtk_label_set_text ( tpwin->diff_speed, NULL );
 200   tpwin->cur_tp = NULL;
 201 }
 202
 203 void vik_trw_layer_tpwin_disable_join ( VikTrwLayerTpwin *tpwin )
 204 {
 205   SET_BUTTON_SENSITIVE ( tpwin, VIK_TRW_LAYER_TPWIN_JOIN, FALSE );
 206 }
 207
 208 void vik_trw_layer_tpwin_set_tp ( VikTrwLayerTpwin *tpwin, GList *tpl, gchar *track_name )
 209 {
 210   static char tmp_str[25];
 211   static struct LatLon ll;
 212   VikTrackpoint *tp = VIK_TRACKPOINT(tpl->data);
 213
 214   SET_BUTTON_SENSITIVE ( tpwin, VIK_TRW_LAYER_TPWIN_DELETE, TRUE );
 215
 216   /* We can only split up a track if it's not an endpoint. Makes sense to me. */
 217   SET_BUTTON_SENSITIVE ( tpwin, VIK_TRW_LAYER_TPWIN_SPLIT, tpl->next && tpl->prev );
 218
 219   SET_BUTTON_SENSITIVE ( tpwin, VIK_TRW_LAYER_TPWIN_FORWARD, (gboolean) GPOINTER_TO_INT (tpl->next) );
 220   SET_BUTTON_SENSITIVE ( tpwin, VIK_TRW_LAYER_TPWIN_BACK, (gboolean) GPOINTER_TO_INT (tpl->prev) );
 221
 222   /* we can only join tracks if there was a last tp, the last tp was an endpoint, _AND_ this tp is an endpoint */
 223   SET_BUTTON_SENSITIVE ( tpwin, VIK_TRW_LAYER_TPWIN_JOIN, tpwin->cur_tp && tpwin->cur_tp_is_endpoint && (!(tpl->next && tpl->prev)) );
 224
 225   gtk_widget_set_sensitive ( GTK_WIDGET(tpwin->lat), TRUE );
 226   gtk_widget_set_sensitive ( GTK_WIDGET(tpwin->lon), TRUE );
 227
 228   gtk_label_set_text ( tpwin->track_name, track_name );
 229
 230   tpwin->sync_to_tp_block = TRUE; /* don't update while setting data. */
 231
 232   vik_coord_to_latlon ( &(tp->coord), &ll );
 233   gtk_spin_button_set_value ( tpwin->lat, ll.lat );
 234   gtk_spin_button_set_value ( tpwin->lon, ll.lon );
 235   gtk_spin_button_set_value ( tpwin->alt, tp->altitude );
 236
 237   tpwin->sync_to_tp_block = FALSE; /* don't update whlie setting data. */
 238
 239
 240   if ( tp->has_timestamp )
 241   {
 242     g_snprintf ( tmp_str, sizeof(tmp_str), "%ld", tp->timestamp );
 243     gtk_label_set_text ( tpwin->ts, tmp_str );
 244     g_snprintf ( tmp_str, MIN(25,sizeof(tmp_str)), "%s", ctime(&(tp->timestamp)) );
 245     /* max. len of 25 will snip off newline, which is good since it messes stuff up */
 246     gtk_label_set_text ( tpwin->localtime, tmp_str );
 247   }
 248   else
 249   {
 250     gtk_label_set_text (tpwin->ts, NULL );
 251     gtk_label_set_text (tpwin->localtime, NULL );
 252   }
 253
 254   if ( tpwin->cur_tp )
 255   {
 256     g_snprintf ( tmp_str, sizeof(tmp_str), "%.3f m", vik_coord_diff(&(tp->coord), &(tpwin->cur_tp->coord)));
 257     gtk_label_set_text ( tpwin->diff_dist, tmp_str );
 258     if ( tp->has_timestamp && tpwin->cur_tp->has_timestamp )
 259     {
 260       g_snprintf ( tmp_str, sizeof(tmp_str), "%ld s", tp->timestamp - tpwin->cur_tp->timestamp);
 261       gtk_label_set_text ( tpwin->diff_time, tmp_str );
 262       if ( tp->timestamp == tpwin->cur_tp->timestamp )
 263         gtk_label_set_text ( tpwin->diff_speed, "--" );
 264       else
 265       {
 266         g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f m/s", vik_coord_diff(&(tp->coord), &(tpwin->cur_tp->coord)) / ABS(tp->timestamp - tpwin->cur_tp->timestamp) );
 267         gtk_label_set_text ( tpwin->diff_speed, tmp_str );
 268       }
 269     }
 270     else
 271     {
 272       gtk_label_set_text ( tpwin->diff_time, NULL );
 273       gtk_label_set_text ( tpwin->diff_speed, NULL );
 274     }
 275   }
 276
 277
 278   tpwin->cur_tp = tp;
 279   tpwin->cur_tp_is_endpoint = ! (tpl->next && tpl->prev);
 280 }
 281
 282 void vik_trw_layer_tpwin_set_track_name ( VikTrwLayerTpwin *tpwin, const gchar *track_name )
 283 {
 284   gtk_label_set_text ( tpwin->track_name, track_name );
 285 }