src/bar_gps.c

   1 /*
   2  * Geeqie
   3  * (C) 2004 John Ellis
   4  * Copyright (C) 2008 - 2012 The Geeqie Team
   5  *
   6  * Author: Colin Clark
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13 #include "main.h"
  14 #ifdef HAVE_LIBCHAMPLAIN
  15 #ifdef HAVE_LIBCHAMPLAIN_GTK
  16
  17 #include "bar_gps.h"
  18
  19 #include "bar.h"
  20 #include "filedata.h"
  21 #include "layout.h"
  22 #include "metadata.h"
  23 #include "menu.h"
  24 #include "rcfile.h"
  25 #include "thumb.h"
  26 #include "ui_menu.h"
  27
  28 #include <clutter-gtk/clutter-gtk.h>
  29 #include <champlain/champlain.h>
  30 #include <champlain-gtk/champlain-gtk.h>
  31
  32 #define MARKER_COLOUR 0x00, 0x00, 0xff, 0xff
  33 #define TEXT_COLOUR 0x00, 0x00, 0x00, 0xff
  34 #define THUMB_COLOUR 0xff, 0xff, 0xff, 0xff
  35 #define THUMB_SIZE 100
  36
  37 /*
  38  *-------------------------------------------------------------------
  39  * GPS Map utils
  40  *-------------------------------------------------------------------
  41  */
  42
  43 typedef struct _PaneGPSData PaneGPSData;
  44 struct _PaneGPSData
  45 {
  46         PaneData pane;
  47         GtkWidget *widget;
  48         gchar *map_source;
  49         gint height;
  50         FileData *fd;
  51         ClutterActor *gps_view;
  52         ChamplainMarkerLayer *icon_layer;
  53         GList *selection_list;
  54         GList *not_added;
  55         ChamplainBoundingBox *bbox;
  56         guint num_added;
  57         guint create_markers_id;
  58         GtkWidget *progress;
  59         GtkWidget *slider;
  60         GtkWidget *state;
  61         gint selection_count;
  62         gboolean centre_map_checked;
  63         gboolean enable_markers_checked;
  64 };
  65
  66 static void bar_pane_gps_thumb_done_cb(ThumbLoader *tl, gpointer data)
  67 {
  68         FileData *fd;
  69         ClutterActor *marker;
  70         ClutterActor *actor;
  71
  72         marker = CLUTTER_ACTOR(data);
  73         fd = g_object_get_data(G_OBJECT(marker), "file_fd");
  74         if (fd->thumb_pixbuf != NULL)
  75                 {
  76                 actor = gtk_clutter_texture_new();
  77                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, NULL);
  78                 champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
  79                 }
  80         thumb_loader_free(tl);
  81 }
  82
  83 static void bar_pane_gps_thumb_error_cb(ThumbLoader *tl, gpointer data)
  84 {
  85         thumb_loader_free(tl);
  86 }
  87
  88 static gboolean bar_pane_gps_marker_keypress_cb(GtkWidget *widget, ClutterButtonEvent *bevent, gpointer data)
  89 {
  90         //PaneGPSData *pgd = data;
  91         FileData *fd;
  92         ClutterActor *marker;
  93         ClutterColor marker_colour = { MARKER_COLOUR };
  94         ClutterColor text_colour = { TEXT_COLOUR };
  95         ClutterColor thumb_colour = { THUMB_COLOUR };
  96         gchar *current_text;
  97         ClutterActor *actor;
  98         ClutterActor *current_image;
  99         GString *text;
 100         gint height, width, rotate;
 101         gchar *altitude = NULL;
 102         ThumbLoader *tl;
 103
 104         if (bevent->button == MOUSE_BUTTON_LEFT)
 105                 {
 106                 marker = CLUTTER_ACTOR(widget);
 107                 fd = g_object_get_data(G_OBJECT(marker), "file_fd");
 108
 109                 /* If the marker is showing a thumbnail, delete it
 110                  */
 111                 current_image = champlain_label_get_image(CHAMPLAIN_LABEL(marker));
 112                 if (current_image != NULL)
 113                         {
 114                         clutter_actor_destroy(CLUTTER_ACTOR(current_image));
 115                         champlain_label_set_image(CHAMPLAIN_LABEL(marker), NULL);
 116                         }
 117
 118                 current_text = g_strdup(champlain_label_get_text(CHAMPLAIN_LABEL(marker)));
 119
 120                 /* If the marker is showing only the text character, replace it with a
 121                  * thumbnail and date and altitude
 122                  */
 123                 if (g_strcmp0(current_text, "i") == 0)
 124                         {
 125                         /* If a thumbail has already been generated, use that. If not try the pixbuf of the full image.
 126                          * If not, call the thumb_loader to generate a thumbnail and update the marker later in the
 127                          * thumb_loader callback
 128                          */
 129                          if (fd->thumb_pixbuf != NULL)
 130                                 {
 131                                 actor = gtk_clutter_texture_new();
 132                                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, NULL);
 133                                 champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
 134                                 }
 135                         else if (fd->pixbuf != NULL)
 136                                 {
 137                                 actor = gtk_clutter_texture_new();
 138                                 width = gdk_pixbuf_get_width (fd->pixbuf);
 139                                 height = gdk_pixbuf_get_height (fd->pixbuf);
 140                                 switch (fd->exif_orientation)
 141                                         {
 142                                         case 8:
 143                                                 rotate = GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE;
 144                                                 break;
 145                                         case 3:
 146                                                 rotate = GDK_PIXBUF_ROTATE_UPSIDEDOWN;
 147                                                 break;
 148                                         case 6:
 149                                                 rotate = GDK_PIXBUF_ROTATE_CLOCKWISE;
 150                                                 break;
 151                                         default:
 152                                                 rotate = GDK_PIXBUF_ROTATE_NONE;
 153                                         }
 154
 155                                         gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor),
 156                                                                                 gdk_pixbuf_rotate_simple(gdk_pixbuf_scale_simple(fd->pixbuf, THUMB_SIZE, height * THUMB_SIZE / width,
 157                                                                                 GDK_INTERP_NEAREST), rotate), NULL);
 158                                         champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
 159                                 }
 160                         else
 161                                 {
 162                                 tl = thumb_loader_new(THUMB_SIZE, THUMB_SIZE);
 163                                 thumb_loader_set_callbacks(tl,
 164                                                                                         bar_pane_gps_thumb_done_cb,
 165                                                                                         bar_pane_gps_thumb_error_cb,
 166                                                                                         NULL,
 167                                                                                         marker);
 168                                 thumb_loader_start(tl, fd);
 169                                 }
 170
 171                         text = g_string_new(fd->name);
 172                         g_string_append(text, "\n");
 173                         g_string_append(text, text_from_time(fd->date));
 174                         g_string_append(text, "\n");
 175                         altitude = metadata_read_string(fd, "formatted.GPSAltitude", METADATA_FORMATTED);
 176                         if (altitude != NULL)
 177                                 {
 178                                 g_string_append(text, altitude);
 179                                 }
 180
 181                         champlain_label_set_text(CHAMPLAIN_LABEL(marker), text->str);
 182                         champlain_label_set_color(CHAMPLAIN_LABEL(marker), &thumb_colour);
 183                         champlain_label_set_text_color(CHAMPLAIN_LABEL(marker), &text_colour);
 184                         champlain_label_set_font_name(CHAMPLAIN_LABEL(marker), "sans 8");
 185
 186                         g_free(altitude);
 187                         g_string_free(text, TRUE);
 188                         }
 189                 /* otherwise, revert to the hidden text marker
 190                  */
 191                 else
 192                         {
 193                         champlain_label_set_text(CHAMPLAIN_LABEL(marker), "i");
 194                         champlain_label_set_color(CHAMPLAIN_LABEL(marker), &marker_colour);
 195                         champlain_label_set_text_color(CHAMPLAIN_LABEL(marker), &marker_colour);
 196                         champlain_label_set_font_name(CHAMPLAIN_LABEL(marker), "courier 5");
 197                         }
 198
 199                 g_free(current_text);
 200
 201                 return TRUE;
 202                 }
 203         return TRUE;
 204 }
 205
 206 static gboolean bar_pane_gps_create_markers_cb(gpointer data)
 207 {
 208         PaneGPSData *pgd = data;
 209         gdouble latitude;
 210         gdouble longitude;
 211         GList *work;
 212         ClutterActor *marker;
 213         FileData *fd;
 214         ClutterColor marker_colour = { MARKER_COLOUR };
 215         GString *message;
 216
 217         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress),
 218                                                         (gdouble)(pgd->selection_count - g_list_length(pgd->not_added)) /
 219                                                         (gdouble)pgd->selection_count);
 220
 221         message = g_string_new("");
 222         g_string_printf(message, "%i/%i", (pgd->selection_count - g_list_length(pgd->not_added)),
 223                                                                                                                                                         pgd->selection_count);
 224         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), message->str);
 225         g_string_free(message, TRUE);
 226
 227         if(pgd->not_added)
 228                 {
 229                 fd = pgd->not_added->data;
 230                 pgd->not_added = pgd->not_added->next;
 231
 232                 latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 1000);
 233                 longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 1000);
 234
 235                 if ((latitude != 1000) && (longitude != 1000))
 236                         {
 237                         pgd->num_added++;
 238
 239                         marker = champlain_label_new_with_text("i","courier 5", &marker_colour, &marker_colour);
 240
 241                         champlain_location_set_location(CHAMPLAIN_LOCATION(marker), latitude, longitude);
 242                         champlain_marker_layer_add_marker(pgd->icon_layer, CHAMPLAIN_MARKER(marker));
 243                         clutter_actor_set_reactive(marker, TRUE);
 244
 245                         g_signal_connect(G_OBJECT(marker), "button_release_event",
 246                                         G_CALLBACK(bar_pane_gps_marker_keypress_cb), pgd);
 247
 248                         g_object_set_data(G_OBJECT(marker), "file_fd", fd);
 249
 250                         champlain_bounding_box_extend(pgd->bbox, latitude, longitude);
 251                         }
 252                 return TRUE;
 253                 }
 254
 255         if (pgd->centre_map_checked)
 256                 {
 257                 if (pgd->num_added == 1)
 258                         {
 259                         champlain_bounding_box_get_center(pgd->bbox, &latitude, &longitude);
 260                         champlain_view_go_to(CHAMPLAIN_VIEW(pgd->gps_view), latitude, longitude);
 261                         }
 262                  else if (pgd->num_added > 1)
 263                         {
 264                         champlain_view_ensure_visible(CHAMPLAIN_VIEW(pgd->gps_view), pgd->bbox, TRUE);
 265                         }
 266                 }
 267         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress), 0);
 268         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), NULL);
 269         pgd->create_markers_id = 0;
 270
 271         return FALSE;
 272 }
 273
 274 static void bar_pane_gps_update(PaneGPSData *pgd)
 275 {
 276         GList *list;
 277
 278         /* The widget does not have a parent during bar_pane_gps_new, so calling gtk_widget_show_all there gives a
 279          * "Gtk-CRITICAL **: gtk_widget_realize: assertion `GTK_WIDGET_ANCHORED (widget) || GTK_IS_INVISIBLE (widget)' failed"
 280          * error. gtk_widget_show_all can be given after it has been added to the bar.
 281          */
 282         if (gtk_widget_get_parent(pgd->widget) != NULL)
 283                 gtk_widget_show_all(pgd->widget);
 284
 285         /* If a create-marker background process is running, kill it
 286          * and start again
 287          */
 288         if (pgd->create_markers_id != 0)
 289                 {
 290                 if (g_idle_remove_by_data(pgd))
 291                         {
 292                         pgd->create_markers_id = 0;
 293                         }
 294                 else
 295                         {
 296                         return;
 297                         }
 298                 }
 299
 300         /* Delete any markers currently displayed
 301          */
 302
 303         champlain_marker_layer_remove_all(pgd->icon_layer);
 304
 305         if (!pgd->enable_markers_checked)
 306                 {
 307                 return;
 308                 }
 309
 310         /* For each selected photo that has GPS data, create a marker containing
 311          * a single, small text character the same colour as the marker background.
 312          * Use a background process in case the user selects a large number of files.
 313          */
 314         filelist_free(pgd->selection_list);
 315         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 316
 317         list = layout_selection_list(pgd->pane.lw);
 318         list = file_data_process_groups_in_selection(list, FALSE, NULL);
 319
 320         pgd->selection_list = list;
 321         pgd->not_added = list;
 322
 323         pgd->bbox = champlain_bounding_box_new();
 324         pgd->selection_count = g_list_length(pgd->selection_list);
 325         pgd->create_markers_id = g_idle_add(bar_pane_gps_create_markers_cb, pgd);
 326         pgd->num_added = 0;
 327 }
 328
 329 void bar_pane_gps_set_map_source(PaneGPSData *pgd, const gchar *map_id)
 330 {
 331         ChamplainMapSource *map_source;
 332         ChamplainMapSourceFactory *map_factory;
 333
 334         map_factory = champlain_map_source_factory_dup_default();
 335         map_source = champlain_map_source_factory_create(map_factory, map_id);
 336
 337         if (map_source != NULL)
 338                 {
 339                 g_object_set(G_OBJECT(pgd->gps_view), "map-source", map_source, NULL);
 340                 //g_object_unref(map_source);
 341                 }
 342
 343         g_object_unref(map_factory);
 344 }
 345
 346 void bar_pane_gps_enable_markers_checked_toggle_cb(GtkWidget *menu_widget, gpointer data)
 347 {
 348         PaneGPSData *pgd = data;
 349
 350         if (pgd->enable_markers_checked)
 351                 {
 352                 pgd->enable_markers_checked = FALSE;
 353                 }
 354         else
 355                 {
 356                 pgd->enable_markers_checked = TRUE;
 357                 }
 358 }
 359
 360 static void bar_pane_gps_centre_map_checked_toggle_cb(GtkWidget *menu_widget, gpointer data)
 361 {
 362         PaneGPSData *pgd = data;
 363
 364         if (pgd->centre_map_checked)
 365                 {
 366                 pgd->centre_map_checked = FALSE;
 367                 }
 368         else
 369                 {
 370                 pgd->centre_map_checked = TRUE;
 371                 }
 372 }
 373
 374 static void bar_pane_gps_change_map_cb(GtkWidget *widget, gpointer data)
 375 {
 376         PaneGPSData *pgd = data;
 377         gchar *mapsource;
 378
 379         if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget)))
 380                 return;
 381
 382         if (!pgd) return;
 383
 384         mapsource = g_object_get_data(G_OBJECT(widget), "menu_item_radio_data");
 385         bar_pane_gps_set_map_source(pgd, mapsource);
 386 }
 387
 388 static void bar_pane_gps_notify_selection(GtkWidget *bar, gint count)
 389 {
 390         PaneGPSData *pgd;
 391
 392         if (count == 0) return;
 393
 394         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 395         if (!pgd) return;
 396
 397         bar_pane_gps_update(pgd);
 398 }
 399
 400 static void bar_pane_gps_set_fd(GtkWidget *bar, FileData *fd)
 401 {
 402         PaneGPSData *pgd;
 403
 404         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 405         if (!pgd) return;
 406
 407         file_data_unref(pgd->fd);
 408         pgd->fd = file_data_ref(fd);
 409
 410         bar_pane_gps_update(pgd);
 411 }
 412
 413 static gint bar_pane_gps_event(GtkWidget *bar, GdkEvent *event)
 414 {
 415         PaneGPSData *pgd;
 416
 417         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 418         if (!pgd) return FALSE;
 419
 420         if (gtk_widget_has_focus(pgd->widget)) return gtk_widget_event(GTK_WIDGET(pgd->widget), event);
 421
 422         return FALSE;
 423 }
 424
 425 static void bar_pane_gps_write_config(GtkWidget *pane, GString *outstr, gint indent)
 426 {
 427         PaneGPSData *pgd;
 428         gint zoom;
 429         ChamplainMapSource *mapsource;
 430         const gchar *map_id;
 431         gchar *str = NULL;
 432         GString *buffer = g_string_new(str);
 433         gdouble position;
 434         gint int_position;
 435
 436         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 437         if (!pgd) return;
 438
 439         WRITE_NL();
 440         WRITE_STRING("<pane_gps ");
 441         write_char_option(outstr, indent, "id", pgd->pane.id);
 442         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(pgd->pane.title)));
 443         WRITE_BOOL(pgd->pane, expanded);
 444         WRITE_INT(*pgd, height);
 445         indent++;
 446
 447         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 448         map_id = champlain_map_source_get_id(mapsource);
 449         WRITE_NL();
 450         write_char_option(outstr, indent, "map-id", map_id);
 451
 452         g_object_get(G_OBJECT(pgd->gps_view), "zoom-level", &zoom, NULL);
 453         g_string_printf(buffer, "%d", zoom);
 454         WRITE_NL();
 455         write_char_option(outstr, indent, "zoom-level", buffer->str);
 456
 457         g_object_get(G_OBJECT(pgd->gps_view), "latitude", &position, NULL);
 458         int_position = position * 1000000;
 459         g_string_printf(buffer, "%i", int_position);
 460         WRITE_NL();
 461         write_char_option(outstr, indent, "latitude", buffer->str);
 462
 463         g_object_get(G_OBJECT(pgd->gps_view), "longitude", &position, NULL);
 464         int_position = position * 1000000;
 465         g_string_printf(buffer, "%i", int_position);
 466         WRITE_NL();
 467         write_char_option(outstr, indent, "longitude", buffer->str);
 468
 469         indent--;
 470         WRITE_NL();
 471         WRITE_STRING("/>");
 472
 473   g_object_unref(mapsource);
 474
 475 }
 476
 477 static void bar_pane_gps_slider_changed_cb(GtkScaleButton *slider,
 478                                            gdouble zoom,
 479                                            gpointer data)
 480 {
 481         PaneGPSData *pgd = data;
 482         GString *message;
 483
 484         message = g_string_new("");
 485         g_string_printf(message, _("Zoom %i"), (gint)zoom);
 486
 487         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", (gint)zoom, NULL);
 488         gtk_widget_set_tooltip_text(GTK_WIDGET(slider), message->str);
 489         g_string_free(message, TRUE);
 490
 491 }
 492 static void bar_pane_gps_view_state_changed_cb(ChamplainView *view,
 493                                                GParamSpec *gobject,
 494                                                gpointer data)
 495 {
 496         PaneGPSData *pgd = data;
 497         ChamplainState status;
 498         gint zoom;
 499         GString *message;
 500
 501         g_object_get(G_OBJECT(view), "zoom-level", &zoom, NULL);
 502         message = g_string_new("");
 503         g_string_printf(message, _("Zoom level %i"), zoom);
 504
 505         g_object_get(G_OBJECT(view), "state", &status, NULL);
 506         if (status == CHAMPLAIN_STATE_LOADING)
 507                 {
 508                 gtk_label_set_text(GTK_LABEL(pgd->state), _("Loading map"));
 509                 }
 510         else
 511                 {
 512                 gtk_label_set_text(GTK_LABEL(pgd->state), message->str);
 513                 }
 514
 515         gtk_widget_set_tooltip_text(GTK_WIDGET(pgd->slider), message->str);
 516         gtk_scale_button_set_value(GTK_SCALE_BUTTON(pgd->slider), (gdouble)zoom);
 517
 518         g_string_free(message, TRUE);
 519 }
 520
 521 static void bar_pane_gps_notify_cb(FileData *fd, NotifyType type, gpointer data)
 522 {
 523         PaneGPSData *pgd = data;
 524
 525         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) &&
 526             g_list_find(pgd->selection_list, fd))
 527                 {
 528                 bar_pane_gps_update(pgd);
 529                 }
 530 }
 531
 532 const gchar *bar_pane_gps_get_map_id(PaneGPSData *pgd)
 533 {
 534         const gchar *map_id;
 535         ChamplainMapSource *mapsource;
 536
 537         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 538         map_id = champlain_map_source_get_id(mapsource);
 539
 540         g_object_unref(mapsource);
 541
 542         return map_id;
 543 }
 544
 545 static GtkWidget *bar_pane_gps_menu(PaneGPSData *pgd)
 546 {
 547         GtkWidget *menu;
 548         GtkWidget *map_centre;
 549         GtkWidget *parent;
 550         ChamplainMapSourceFactory *map_factory;
 551         GSList *map_list;
 552         ChamplainMapSourceDesc *map_desc;
 553         const gchar *current;
 554
 555         menu = popup_menu_short_lived();
 556
 557         map_factory = champlain_map_source_factory_dup_default();
 558         map_list = champlain_map_source_factory_get_registered(map_factory);
 559         current = bar_pane_gps_get_map_id(pgd);
 560
 561         while (map_list)
 562                 {
 563                 map_desc = (ChamplainMapSourceDesc *)(map_list->data);
 564
 565                 menu_item_add_radio(menu,
 566                                     champlain_map_source_desc_get_name(map_desc),
 567                                     (gpointer)champlain_map_source_desc_get_id(map_desc),
 568                                     strcmp(champlain_map_source_desc_get_id(map_desc), current) == 0,
 569                                     G_CALLBACK(bar_pane_gps_change_map_cb), pgd);
 570
 571                 map_list = g_slist_next(map_list);
 572                 }
 573
 574         menu_item_add_divider(menu);
 575         menu_item_add_check(menu, _("Enable markers"), pgd->enable_markers_checked,
 576                             G_CALLBACK(bar_pane_gps_enable_markers_checked_toggle_cb), pgd);
 577         map_centre = menu_item_add_check(menu, _("Centre map on marker"), pgd->centre_map_checked,
 578                                          G_CALLBACK(bar_pane_gps_centre_map_checked_toggle_cb), pgd);
 579         if (!pgd->enable_markers_checked)
 580                 {
 581                 gtk_widget_set_sensitive(map_centre, FALSE);
 582                 }
 583
 584         g_slist_free(map_list);
 585         g_object_unref(map_factory);
 586         //g_object_unref(map_centre);
 587
 588         return menu;
 589 }
 590
 591 /* Determine if the map is to be re-centred on the marker when another photo is selected
 592  */
 593 void bar_pane_gps_map_centreing(PaneGPSData *pgd)
 594 {
 595         GtkWidget *dialog;
 596         GString *message = g_string_new("");
 597
 598         if (pgd->centre_map_checked)
 599                 {
 600                 message = g_string_append(message, _("Move map centre to marker\n is disabled"));
 601                 pgd->centre_map_checked = FALSE;
 602                 }
 603         else
 604                 {
 605                 message = g_string_append(message, _("Move map centre to marker\n is enabled"));
 606                 pgd->centre_map_checked = TRUE;
 607                 }
 608
 609         dialog = gtk_message_dialog_new(NULL,
 610                                                           GTK_DIALOG_DESTROY_WITH_PARENT,
 611                                                           GTK_MESSAGE_INFO,
 612                                                           GTK_BUTTONS_CLOSE,
 613                                                           "%s", message->str);
 614         gtk_window_set_title(GTK_WINDOW(dialog), _("Map Centreing"));
 615         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_MOUSE);
 616         gtk_dialog_run(GTK_DIALOG(dialog));
 617
 618         gtk_widget_destroy(dialog);
 619         g_string_free(message, TRUE);
 620 }
 621
 622 static gboolean bar_pane_gps_map_keypress_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 623 {
 624         PaneGPSData *pgd = data;
 625         GtkWidget *menu;
 626
 627         if (bevent->button == MOUSE_BUTTON_RIGHT)
 628                 {
 629                 menu = bar_pane_gps_menu(pgd);
 630                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, bevent->button, bevent->time);
 631                 return TRUE;
 632                 }
 633         else if (bevent->button == MOUSE_BUTTON_MIDDLE)
 634                 {
 635                 bar_pane_gps_map_centreing(pgd);
 636                 return TRUE;
 637                 }
 638         else if (bevent->button == MOUSE_BUTTON_LEFT)
 639                 {
 640                 return FALSE;
 641                 }
 642         else
 643                 {
 644                 return FALSE;
 645                 }
 646 }
 647
 648 static void bar_pane_gps_destroy(GtkWidget *widget, gpointer data)
 649 {
 650         PaneGPSData *pgd = data;
 651
 652         file_data_unregister_notify_func(bar_pane_gps_notify_cb, pgd);
 653
 654         g_idle_remove_by_data(pgd);
 655
 656         filelist_free(pgd->selection_list);
 657         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 658
 659         file_data_unref(pgd->fd);
 660         g_free(pgd->map_source);
 661         g_free(pgd->pane.id);
 662         clutter_actor_destroy(pgd->gps_view);
 663         g_free(pgd);
 664 }
 665
 666
 667 GtkWidget *bar_pane_gps_new(const gchar *id, const gchar *title, const gchar *map_id,
 668                                                 const gint zoom, const gdouble latitude, const gdouble longitude,
 669                                         gboolean expanded, gint height)
 670 {
 671         PaneGPSData *pgd;
 672         GtkWidget *vbox, *frame;
 673         GtkWidget *gpswidget, *viewport;
 674         GtkWidget *status, *state, *progress, *slider;
 675         ChamplainMarkerLayer *layer;
 676         ChamplainView *view;
 677         const gchar *slider_list[] = {GTK_STOCK_ZOOM_IN, GTK_STOCK_ZOOM_OUT, NULL};
 678         const gchar **slider_icons = slider_list;
 679
 680         pgd = g_new0(PaneGPSData, 1);
 681
 682         pgd->pane.pane_set_fd = bar_pane_gps_set_fd;
 683         pgd->pane.pane_notify_selection = bar_pane_gps_notify_selection;
 684         pgd->pane.pane_event = bar_pane_gps_event;
 685         pgd->pane.pane_write_config = bar_pane_gps_write_config;
 686         pgd->pane.title = bar_pane_expander_title(title);
 687         pgd->pane.id = g_strdup(id);
 688         pgd->pane.type = PANE_GPS;
 689         pgd->pane.expanded = expanded;
 690         pgd->height = height;
 691
 692         frame = gtk_frame_new(NULL);
 693         vbox = gtk_vbox_new(FALSE, 0);
 694
 695         gpswidget = gtk_champlain_embed_new();
 696         view = gtk_champlain_embed_get_view(GTK_CHAMPLAIN_EMBED(gpswidget));
 697
 698         gtk_box_pack_start(GTK_BOX(vbox), gpswidget, TRUE, TRUE, 0);
 699         gtk_container_add(GTK_CONTAINER(frame), vbox);
 700
 701         status = gtk_hbox_new(FALSE,0);
 702         slider = gtk_scale_button_new(GTK_ICON_SIZE_SMALL_TOOLBAR, 1, 17, 1, slider_icons);
 703         gtk_widget_set_tooltip_text(slider, "Zoom");
 704         gtk_scale_button_set_value(GTK_SCALE_BUTTON(slider), (gdouble)zoom);
 705
 706         progress = gtk_progress_bar_new();
 707         state = gtk_label_new("");
 708         gtk_label_set_justify(GTK_LABEL(state), GTK_JUSTIFY_CENTER);
 709
 710         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(slider), FALSE, FALSE, 0);
 711         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(state), FALSE, FALSE, 5);
 712         gtk_box_pack_end(GTK_BOX(status), GTK_WIDGET(progress), FALSE, FALSE, 0);
 713         gtk_box_pack_end(GTK_BOX(vbox),GTK_WIDGET(status), FALSE, FALSE, 0);
 714
 715         layer = champlain_marker_layer_new();
 716         champlain_view_add_layer(view, CHAMPLAIN_LAYER(layer));
 717
 718         pgd->icon_layer = layer;
 719         pgd->gps_view = CLUTTER_ACTOR(view);
 720         pgd->widget = frame;
 721         pgd->progress = progress;
 722         pgd->slider = slider;
 723         pgd->state = state;
 724
 725         bar_pane_gps_set_map_source(pgd, map_id);
 726
 727         g_object_set(G_OBJECT(view), "kinetic-mode", TRUE,
 728                                      "zoom-level", zoom,
 729                                      "keep-center-on-resize", TRUE,
 730 /* This seems to be broken, https://bugzilla.gnome.org/show_bug.cgi?id=596419
 731                                      "decel-rate", 1.0,
 732 */
 733                                      "zoom-on-double-click", FALSE,
 734                                      "max-zoom-level", 17,
 735                                      "min-zoom-level", 1,
 736                                      NULL);
 737         champlain_view_center_on(view, latitude, longitude);
 738         pgd->centre_map_checked = TRUE;
 739         g_object_set_data(G_OBJECT(pgd->widget), "pane_data", pgd);
 740         g_signal_connect(G_OBJECT(pgd->widget), "destroy", G_CALLBACK(bar_pane_gps_destroy), pgd);
 741
 742         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
 743
 744         gtk_widget_set_size_request(pgd->widget, -1, height);
 745
 746         clutter_set_motion_events_enabled(TRUE);
 747         g_signal_connect(G_OBJECT(gpswidget), "button_press_event", G_CALLBACK(bar_pane_gps_map_keypress_cb), pgd);
 748         g_signal_connect(pgd->gps_view, "notify::state", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
 749         g_signal_connect(pgd->gps_view, "notify::zoom-level", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
 750         g_signal_connect(G_OBJECT(slider), "value-changed", G_CALLBACK(bar_pane_gps_slider_changed_cb), pgd);
 751
 752         file_data_register_notify_func(bar_pane_gps_notify_cb, pgd, NOTIFY_PRIORITY_LOW);
 753
 754         pgd->create_markers_id = 0;
 755         pgd->enable_markers_checked = TRUE;
 756         pgd->centre_map_checked = TRUE;
 757
 758         return pgd->widget;
 759 }
 760
 761 GtkWidget *bar_pane_gps_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
 762 {
 763         gchar *title = g_strdup(_("GPS Map"));
 764         gchar *map_id = NULL;
 765         gboolean expanded = TRUE;
 766         gint height = 350;
 767         gint zoom = 7;
 768         gdouble latitude;
 769         gdouble longitude;
 770         /* Latitude and longitude are stored in the config file as an integer of
 771          * (actual value * 1,000,000). There is no READ_DOUBLE utilty function.
 772          */
 773         gint int_latitude = 54000000;
 774         gint int_longitude = -4000000;
 775         gchar *id = g_strdup("gps");
 776         GtkWidget *ret;
 777
 778         while (*attribute_names)
 779                 {
 780                 const gchar *option = *attribute_names++;
 781                 const gchar *value = *attribute_values++;
 782
 783                 if (READ_CHAR_FULL("title", title))
 784                         continue;
 785                 if (READ_CHAR_FULL("map-id", map_id))
 786                         continue;
 787                 /* There is a bug in the libchamplain libraries which prevents correct
 788                  * initialisation if the zoom level starts higher than 8
 789                  */
 790                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
 791                         continue;
 792                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
 793                         continue;
 794                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
 795                         continue;
 796                 if (READ_BOOL_FULL("expanded", expanded))
 797                         continue;
 798                 if (READ_INT_FULL("height", height))
 799                         continue;
 800                 if (READ_CHAR_FULL("id", id))
 801                         continue;
 802
 803                 log_printf("unknown attribute %s = %s\n", option, value);
 804                 }
 805
 806         bar_pane_translate_title(PANE_COMMENT, id, &title);
 807         latitude = int_latitude / 1000000;
 808         longitude = int_longitude / 1000000;
 809         ret = bar_pane_gps_new(id, title, map_id, zoom, latitude, longitude, expanded, height);
 810         g_free(title);
 811         g_free(map_id);
 812         g_free(id);
 813         return ret;
 814 }
 815
 816 void bar_pane_gps_update_from_config(GtkWidget *pane, const gchar **attribute_names,
 817                                                                                 const gchar **attribute_values)
 818 {
 819         PaneGPSData *pgd;
 820         gint zoom;
 821         gint int_longitude, int_latitude;
 822         gdouble longitude, latitude;
 823
 824         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 825         if (!pgd)
 826                 return;
 827
 828         gchar *title = NULL;
 829
 830         while (*attribute_names)
 831         {
 832                 const gchar *option = *attribute_names++;
 833                 const gchar *value = *attribute_values++;
 834
 835                 if (READ_CHAR_FULL("title", title))
 836                         continue;
 837                 if (READ_CHAR_FULL("map-id", pgd->map_source))
 838                         continue;
 839                 if (READ_BOOL_FULL("expanded", pgd->pane.expanded))
 840                         continue;
 841                 if (READ_INT_FULL("height", pgd->height))
 842                         continue;
 843                 if (READ_CHAR_FULL("id", pgd->pane.id))
 844                         continue;
 845                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
 846                         {
 847                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", zoom, NULL);
 848                         continue;
 849                         }
 850                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
 851                         {
 852                         longitude = int_longitude / 1000000;
 853                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "longitude", longitude, NULL);
 854                         continue;
 855                         }
 856                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
 857                         {
 858                         latitude = int_latitude / 1000000;
 859                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "latitude", latitude, NULL);
 860                         continue;
 861                         }
 862                 log_printf("unknown attribute %s = %s\n", option, value);
 863         }
 864
 865         if (title)
 866                 {
 867                 bar_pane_translate_title(PANE_COMMENT, pgd->pane.id, &title);
 868                 gtk_label_set_text(GTK_LABEL(pgd->pane.title), title);
 869                 g_free(title);
 870                 }
 871
 872         gtk_widget_set_size_request(pgd->widget, -1, pgd->height);
 873         bar_update_expander(pane);
 874 }
 875
 876 #endif
 877 #endif
 878
 879 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */