src/bar-gps.cc

   1 /*
   2  * Copyright (C) 2004 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: Colin Clark
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "main.h"
  23 #ifdef HAVE_LIBCHAMPLAIN
  24 #ifdef HAVE_LIBCHAMPLAIN_GTK
  25
  26 #include "bar-gps.h"
  27
  28 #include "bar.h"
  29 #include "filedata.h"
  30 #include "layout.h"
  31 #include "metadata.h"
  32 #include "menu.h"
  33 #include "misc.h"
  34 #include "rcfile.h"
  35 #include "thumb.h"
  36 #include "ui-menu.h"
  37 #include "uri-utils.h"
  38 #include "ui-utildlg.h"
  39
  40 #include <clutter-gtk/clutter-gtk.h>
  41 #include <champlain/champlain.h>
  42 #include <champlain-gtk/champlain-gtk.h>
  43
  44 #define MARKER_COLOUR 0x00, 0x00, 0xff, 0xff
  45 #define TEXT_COLOUR 0x00, 0x00, 0x00, 0xff
  46 #define THUMB_COLOUR 0xff, 0xff, 0xff, 0xff
  47 #define THUMB_SIZE 100
  48
  49 #define DIRECTION_SIZE 300
  50
  51 /*
  52  *-------------------------------------------------------------------
  53  * GPS Map utils
  54  *-------------------------------------------------------------------
  55  */
  56
  57 struct PaneGPSData
  58 {
  59         PaneData pane;
  60         GtkWidget *widget;
  61         gchar *map_source;
  62         gint height;
  63         FileData *fd;
  64         ClutterActor *gps_view;
  65         ChamplainMarkerLayer *icon_layer;
  66         GList *selection_list;
  67         GList *not_added;
  68         ChamplainBoundingBox *bbox;
  69         guint num_added;
  70         guint create_markers_id;
  71         GtkWidget *progress;
  72         GtkWidget *slider;
  73         GtkWidget *state;
  74         gint selection_count;
  75         gboolean centre_map_checked;
  76         gboolean enable_markers_checked;
  77         gdouble dest_latitude;
  78         gdouble dest_longitude;
  79         GList *geocode_list;
  80 };
  81
  82 /*
  83  *-------------------------------------------------------------------
  84  * drag-and-drop
  85  *-------------------------------------------------------------------
  86  */
  87 enum {
  88         TARGET_APP_COLLECTION_MEMBER,
  89         TARGET_APP_EXIF_ENTRY,
  90         TARGET_APP_KEYWORD_PATH,
  91         TARGET_URI_LIST,
  92         TARGET_TEXT_PLAIN
  93 };
  94
  95 static GtkTargetEntry bar_pane_gps_drop_types[] = {
  96         { const_cast<gchar *>("text/uri-list"), 0, TARGET_URI_LIST },
  97         { const_cast<gchar *>("text/plain"), 0, TARGET_TEXT_PLAIN }
  98 };
  99 static gint n_gps_entry_drop_types = 2;
 100
 101 static void bar_pane_gps_close_cancel_cb(GenericDialog *UNUSED(gd), gpointer data)
 102 {
 103         auto pgd = static_cast<PaneGPSData *>(data);
 104
 105         g_list_free(pgd->geocode_list);
 106 }
 107
 108 static void bar_pane_gps_close_save_cb(GenericDialog *UNUSED(gd), gpointer data)
 109 {
 110         auto pgd = static_cast<PaneGPSData *>(data);
 111         FileData *fd;
 112         GList *work;
 113
 114         work = g_list_first(pgd->geocode_list);
 115         while (work)
 116                 {
 117                 fd = static_cast<FileData *>(work->data);
 118                 if (fd->name && !fd->parent)
 119                         {
 120                         work = work->next;
 121                         metadata_write_GPS_coord(fd, "Xmp.exif.GPSLatitude", pgd->dest_latitude);
 122                         metadata_write_GPS_coord(fd, "Xmp.exif.GPSLongitude", pgd->dest_longitude);
 123                         }
 124                 }
 125         g_list_free(pgd->geocode_list);
 126 }
 127
 128  static void bar_pane_gps_dnd_receive(GtkWidget *pane, GdkDragContext *UNUSED(context),
 129                                                                           gint x, gint y,
 130                                                                           GtkSelectionData *selection_data, guint info,
 131                                                                           guint UNUSED(time), gpointer UNUSED(data))
 132 {
 133         PaneGPSData *pgd;
 134         GenericDialog *gd;
 135         FileData *fd, *fd_found;
 136         GList *work, *list;
 137         gint count, geocoded_count;
 138         gdouble latitude, longitude;
 139         GString *message;
 140         gchar *location;
 141         gchar **latlong;
 142
 143         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 144         if (!pgd) return;
 145
 146         if (info == TARGET_URI_LIST)
 147                 {
 148                 pgd->dest_longitude = champlain_view_x_to_longitude(CHAMPLAIN_VIEW(pgd->gps_view), x);
 149                 pgd->dest_latitude = champlain_view_y_to_latitude(CHAMPLAIN_VIEW(pgd->gps_view), y);
 150
 151                 count = 0;
 152                 geocoded_count = 0;
 153                 pgd->geocode_list = nullptr;
 154
 155                 list = uri_filelist_from_gtk_selection_data(selection_data);
 156
 157                 if (list)
 158                         {
 159                         work = list;
 160                         while (work)
 161                                 {
 162                                 fd = static_cast<FileData *>(work->data);
 163                                 work = work->next;
 164                                 if (fd->name && !fd->parent)
 165                                         {
 166                                         count++;
 167                                         pgd->geocode_list = g_list_append(pgd->geocode_list, fd);
 168                                         latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 1000);
 169                                         longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 1000);
 170                                         if (latitude != 1000 && longitude != 1000)
 171                                                 {
 172                                                 geocoded_count++;
 173                                                 }
 174                                         }
 175                                 }
 176                         g_list_free(list);
 177
 178                         if(count)
 179                                 {
 180                                 message = g_string_new("");
 181                                 if (count == 1)
 182                                         {
 183                                         fd_found = static_cast<FileData *>(g_list_first(pgd->geocode_list)->data);
 184                                         g_string_append_printf(message,
 185                                                         _("\nDo you want to geocode image %s?"), fd_found->name);
 186                                         }
 187                                 else
 188                                         {
 189                                         g_string_append_printf(message,
 190                                                         _("\nDo you want to geocode %i images?"), count);
 191                                         }
 192                                 if (geocoded_count == 1 && count == 1)
 193                                         {
 194                                         g_string_append_printf(message,
 195                                                         _("\nThis image is already geocoded!"));
 196                                         }
 197                                 else if (geocoded_count == 1 && count > 1)
 198                                         {
 199                                         g_string_append_printf(message,
 200                                                         _("\nOne image is already geocoded!"));
 201                                         }
 202                                 else if (geocoded_count > 1 && count > 1)
 203                                         {
 204                                         g_string_append_printf(message,
 205                                                         _("\n%i Images are already geocoded!"), geocoded_count);
 206                                         }
 207
 208                                 location = g_strdup_printf("%lf %lf", pgd->dest_latitude,
 209                                                                                                                 pgd->dest_longitude);
 210                                 g_string_append_printf(message, _("\n\nPosition: %s \n"), location);
 211
 212                                 gd = generic_dialog_new(_("Geocode images"),
 213                                                         "geocode_images", nullptr, TRUE,
 214                                                         bar_pane_gps_close_cancel_cb, pgd);
 215                                 generic_dialog_add_message(gd, GTK_STOCK_DIALOG_QUESTION,
 216                                                         _("Write lat/long to meta-data?"),
 217                                                         message->str, TRUE);
 218
 219                                 generic_dialog_add_button(gd, GTK_STOCK_SAVE, nullptr,
 220                                                                                                 bar_pane_gps_close_save_cb, TRUE);
 221
 222                                 gtk_widget_show(gd->dialog);
 223                                 g_free(location);
 224                                 g_string_free(message, TRUE);
 225                                 }
 226                         }
 227                 }
 228
 229         if (info == TARGET_TEXT_PLAIN)
 230                 {
 231                 location = decode_geo_parameters(reinterpret_cast<const gchar *>(gtk_selection_data_get_data(selection_data)));
 232                 if (!(g_strstr_len(location,-1,"Error")))
 233                         {
 234                         latlong = g_strsplit(location, " ", 2);
 235                         champlain_view_center_on(CHAMPLAIN_VIEW(pgd->gps_view),
 236                                                         g_ascii_strtod(latlong[0],nullptr),
 237                                                         g_ascii_strtod(latlong[1],nullptr));
 238                         g_strfreev(latlong);
 239                         }
 240                 g_free(location);
 241                 }
 242 }
 243
 244 static void bar_pane_gps_dnd_init(gpointer data)
 245 {
 246         auto pgd = static_cast<PaneGPSData *>(data);
 247
 248         gtk_drag_dest_set(pgd->widget,
 249                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP),
 250                           bar_pane_gps_drop_types, n_gps_entry_drop_types,
 251                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE));
 252         g_signal_connect(G_OBJECT(pgd->widget), "drag_data_received",
 253                          G_CALLBACK(bar_pane_gps_dnd_receive), NULL);
 254
 255 }
 256
 257 static gboolean bar_gps_draw_direction (ClutterCanvas *UNUSED(canvas),
 258                                 cairo_t *cr, gpointer UNUSED(data))
 259 {
 260         cairo_set_source_rgb(cr, 255, 0, 0);
 261
 262         cairo_set_line_width(cr, 2);
 263         cairo_move_to(cr, 0, 1);
 264         cairo_line_to(cr, DIRECTION_SIZE, 1);
 265
 266         cairo_stroke(cr);
 267
 268         return TRUE;
 269 }
 270
 271 static void bar_pane_gps_thumb_done_cb(ThumbLoader *tl, gpointer data)
 272 {
 273         FileData *fd;
 274         ClutterActor *marker;
 275         ClutterActor *actor;
 276
 277         marker = CLUTTER_ACTOR(data);
 278         fd = static_cast<FileData *>(g_object_get_data(G_OBJECT(marker), "file_fd"));
 279         if (fd->thumb_pixbuf != nullptr)
 280                 {
 281                 actor = gtk_clutter_texture_new();
 282                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, nullptr);
 283                 champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
 284                 }
 285         thumb_loader_free(tl);
 286 }
 287
 288 static void bar_pane_gps_thumb_error_cb(ThumbLoader *tl, gpointer UNUSED(data))
 289 {
 290         thumb_loader_free(tl);
 291 }
 292
 293 static gboolean bar_pane_gps_marker_keypress_cb(GtkWidget *widget, ClutterButtonEvent *bevent, gpointer UNUSED(data))
 294 {
 295         FileData *fd;
 296         ClutterActor *label_marker, *parent_marker;
 297         ClutterColor marker_colour = { MARKER_COLOUR };
 298         ClutterColor text_colour = { TEXT_COLOUR };
 299         ClutterColor thumb_colour = { THUMB_COLOUR };
 300         gchar *current_text;
 301         ClutterActor *actor, *direction;
 302         ClutterActor *current_image;
 303         GString *text;
 304         gint height, width;
 305         GdkPixbufRotation rotate;
 306         gchar *altitude = nullptr;
 307         ThumbLoader *tl;
 308
 309         if (bevent->button == MOUSE_BUTTON_LEFT)
 310                 {
 311                 label_marker = CLUTTER_ACTOR(widget);
 312                 fd = static_cast<FileData *>(g_object_get_data(G_OBJECT(label_marker), "file_fd"));
 313
 314                 /* If the marker is showing a thumbnail, delete it
 315                  */
 316                 current_image = champlain_label_get_image(CHAMPLAIN_LABEL(label_marker));
 317                 if (current_image != nullptr)
 318                         {
 319                         clutter_actor_destroy(CLUTTER_ACTOR(current_image));
 320                         champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), nullptr);
 321                         }
 322
 323                 current_text = g_strdup(champlain_label_get_text(CHAMPLAIN_LABEL(label_marker)));
 324
 325                 /* If the marker is showing only the text character, replace it with a
 326                  * thumbnail and date and altitude
 327                  */
 328                 if (g_strcmp0(current_text, "i") == 0)
 329                         {
 330                         /* If a thumbail has already been generated, use that. If not try the pixbuf of the full image.
 331                          * If not, call the thumb_loader to generate a thumbnail and update the marker later in the
 332                          * thumb_loader callback
 333                          */
 334                          if (fd->thumb_pixbuf != nullptr)
 335                                 {
 336                                 actor = gtk_clutter_texture_new();
 337                                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, nullptr);
 338                                 champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), actor);
 339                                 }
 340                         else if (fd->pixbuf != nullptr)
 341                                 {
 342                                 actor = gtk_clutter_texture_new();
 343                                 width = gdk_pixbuf_get_width (fd->pixbuf);
 344                                 height = gdk_pixbuf_get_height (fd->pixbuf);
 345                                 switch (fd->exif_orientation)
 346                                         {
 347                                         case 8:
 348                                                 rotate = GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE;
 349                                                 break;
 350                                         case 3:
 351                                                 rotate = GDK_PIXBUF_ROTATE_UPSIDEDOWN;
 352                                                 break;
 353                                         case 6:
 354                                                 rotate = GDK_PIXBUF_ROTATE_CLOCKWISE;
 355                                                 break;
 356                                         default:
 357                                                 rotate = GDK_PIXBUF_ROTATE_NONE;
 358                                         }
 359
 360                                         gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor),
 361                                                                                 gdk_pixbuf_rotate_simple(gdk_pixbuf_scale_simple(fd->pixbuf, THUMB_SIZE, height * THUMB_SIZE / width,
 362                                                                                 GDK_INTERP_NEAREST), rotate), nullptr);
 363                                         champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), actor);
 364                                 }
 365                         else
 366                                 {
 367                                 tl = thumb_loader_new(THUMB_SIZE, THUMB_SIZE);
 368                                 thumb_loader_set_callbacks(tl,
 369                                                                                         bar_pane_gps_thumb_done_cb,
 370                                                                                         bar_pane_gps_thumb_error_cb,
 371                                                                                         nullptr,
 372                                                                                         label_marker);
 373                                 thumb_loader_start(tl, fd);
 374                                 }
 375
 376                         text = g_string_new(fd->name);
 377                         g_string_append(text, "\n");
 378                         g_string_append(text, text_from_time(fd->date));
 379                         g_string_append(text, "\n");
 380                         altitude = metadata_read_string(fd, "formatted.GPSAltitude", METADATA_FORMATTED);
 381                         if (altitude != nullptr)
 382                                 {
 383                                 g_string_append(text, altitude);
 384                                 }
 385
 386                         champlain_label_set_text(CHAMPLAIN_LABEL(label_marker), text->str);
 387                         champlain_label_set_font_name(CHAMPLAIN_LABEL(label_marker), "sans 8");
 388                         champlain_marker_set_selection_color(&thumb_colour);
 389                         champlain_marker_set_selection_text_color(&text_colour);
 390
 391                         g_free(altitude);
 392                         g_string_free(text, TRUE);
 393
 394                         parent_marker = clutter_actor_get_parent(label_marker);
 395                         if (clutter_actor_get_n_children(parent_marker ) > 1 )
 396                                 {
 397                                 direction = clutter_actor_get_child_at_index(parent_marker, 0);
 398                                 clutter_actor_set_opacity(direction, 255);
 399                                 }
 400                         }
 401                 /* otherwise, revert to the hidden text marker
 402                  */
 403                 else
 404                         {
 405                         champlain_label_set_text(CHAMPLAIN_LABEL(label_marker), "i");
 406                         champlain_label_set_font_name(CHAMPLAIN_LABEL(label_marker), "courier 5");
 407                         champlain_marker_set_selection_color(&marker_colour);
 408                         champlain_marker_set_selection_text_color(&marker_colour);
 409
 410                         parent_marker = clutter_actor_get_parent(label_marker);
 411                         if (clutter_actor_get_n_children(parent_marker ) > 1 )
 412                                 {
 413                                 direction = clutter_actor_get_child_at_index(parent_marker, 0);
 414                                 clutter_actor_set_opacity(direction, 0);
 415                                 }
 416                         }
 417
 418                 g_free(current_text);
 419
 420                 return TRUE;
 421                 }
 422         return TRUE;
 423 }
 424
 425 static gboolean bar_pane_gps_create_markers_cb(gpointer data)
 426 {
 427         auto pgd = static_cast<PaneGPSData *>(data);
 428         gdouble latitude;
 429         gdouble longitude;
 430         gdouble compass;
 431         FileData *fd;
 432         ClutterActor *parent_marker, *label_marker;
 433         ClutterActor *direction;
 434         ClutterColor marker_colour = { MARKER_COLOUR };
 435         ClutterColor thumb_colour = { THUMB_COLOUR };
 436         GString *message;
 437         ClutterContent *canvas;
 438
 439         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress),
 440                                                         static_cast<gdouble>(pgd->selection_count - g_list_length(pgd->not_added)) /
 441                                                         static_cast<gdouble>(pgd->selection_count));
 442
 443         message = g_string_new("");
 444         g_string_printf(message, "%i/%i", (pgd->selection_count - g_list_length(pgd->not_added)),
 445                                                                                                                                                         pgd->selection_count);
 446         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), message->str);
 447         g_string_free(message, TRUE);
 448
 449         if(pgd->not_added)
 450                 {
 451                 fd = static_cast<FileData *>(pgd->not_added->data);
 452                 pgd->not_added = pgd->not_added->next;
 453
 454                 latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 0);
 455                 longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 0);
 456                 compass = metadata_read_GPS_direction(fd, "Xmp.exif.GPSImgDirection", 1000);
 457
 458                 if (!(latitude == 0 && longitude == 0))
 459                         {
 460                         pgd->num_added++;
 461
 462                         parent_marker = champlain_marker_new();
 463                         clutter_actor_set_reactive(parent_marker, FALSE);
 464                         label_marker = champlain_label_new_with_text("i","courier 5", &marker_colour, &marker_colour);
 465                         clutter_actor_set_reactive(label_marker, TRUE);
 466                         champlain_marker_set_selection_color(&thumb_colour);
 467
 468                         if (compass != 1000)
 469                                 {
 470                                 canvas = clutter_canvas_new();
 471                                 clutter_canvas_set_size(CLUTTER_CANVAS (canvas), DIRECTION_SIZE, 3);
 472                                 g_signal_connect(canvas, "draw", G_CALLBACK(bar_gps_draw_direction), NULL);
 473                                 direction = clutter_actor_new();
 474                                 clutter_actor_set_size(direction, DIRECTION_SIZE, 3);
 475                                 clutter_actor_set_position(direction, 0, 0);
 476                                 clutter_actor_set_rotation_angle(direction, CLUTTER_Z_AXIS, compass -90.00);
 477                                 clutter_actor_set_content(direction, canvas);
 478                                 clutter_content_invalidate(canvas);
 479                                 g_object_unref(canvas);
 480
 481                                 clutter_actor_add_child(parent_marker, direction);
 482                                 clutter_actor_set_opacity(direction, 0);
 483                                 }
 484
 485                         clutter_actor_add_child(parent_marker, label_marker);
 486
 487                         champlain_location_set_location(CHAMPLAIN_LOCATION(parent_marker), latitude, longitude);
 488                         champlain_marker_layer_add_marker(pgd->icon_layer, CHAMPLAIN_MARKER(parent_marker));
 489
 490                         g_signal_connect(G_OBJECT(label_marker), "button_release_event",
 491                                         G_CALLBACK(bar_pane_gps_marker_keypress_cb), pgd);
 492
 493                         g_object_set_data(G_OBJECT(label_marker), "file_fd", fd);
 494
 495                         champlain_bounding_box_extend(pgd->bbox, latitude, longitude);
 496
 497                         }
 498                 return G_SOURCE_CONTINUE;
 499                 }
 500
 501         if (pgd->centre_map_checked)
 502                 {
 503                 if (pgd->num_added == 1)
 504                         {
 505                         champlain_bounding_box_get_center(pgd->bbox, &latitude, &longitude);
 506                         champlain_view_go_to(CHAMPLAIN_VIEW(pgd->gps_view), latitude, longitude);
 507                         }
 508                  else if (pgd->num_added > 1)
 509                         {
 510                         champlain_view_ensure_visible(CHAMPLAIN_VIEW(pgd->gps_view), pgd->bbox, TRUE);
 511                         }
 512                 }
 513         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress), 0);
 514         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), nullptr);
 515         pgd->create_markers_id = 0;
 516
 517         return G_SOURCE_REMOVE;
 518 }
 519
 520 static void bar_pane_gps_update(PaneGPSData *pgd)
 521 {
 522         GList *list;
 523
 524         /* If a create-marker background process is running, kill it
 525          * and start again
 526          */
 527         if (pgd->create_markers_id != 0)
 528                 {
 529                 if (g_idle_remove_by_data(pgd))
 530                         {
 531                         pgd->create_markers_id = 0;
 532                         }
 533                 else
 534                         {
 535                         return;
 536                         }
 537                 }
 538
 539         /* Delete any markers currently displayed
 540          */
 541
 542         champlain_marker_layer_remove_all(pgd->icon_layer);
 543
 544         if (!pgd->enable_markers_checked)
 545                 {
 546                 return;
 547                 }
 548
 549         /* For each selected photo that has GPS data, create a marker containing
 550          * a single, small text character the same colour as the marker background.
 551          * Use a background process in case the user selects a large number of files.
 552          */
 553         filelist_free(pgd->selection_list);
 554         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 555
 556         list = layout_selection_list(pgd->pane.lw);
 557         list = file_data_process_groups_in_selection(list, FALSE, nullptr);
 558
 559         pgd->selection_list = list;
 560         pgd->not_added = list;
 561
 562         pgd->bbox = champlain_bounding_box_new();
 563         pgd->selection_count = g_list_length(pgd->selection_list);
 564         pgd->create_markers_id = g_idle_add(bar_pane_gps_create_markers_cb, pgd);
 565         pgd->num_added = 0;
 566 }
 567
 568 void bar_pane_gps_set_map_source(PaneGPSData *pgd, const gchar *map_id)
 569 {
 570         ChamplainMapSource *map_source;
 571         ChamplainMapSourceFactory *map_factory;
 572
 573         map_factory = champlain_map_source_factory_dup_default();
 574         map_source = champlain_map_source_factory_create(map_factory, map_id);
 575
 576         if (map_source != nullptr)
 577                 {
 578                 g_object_set(G_OBJECT(pgd->gps_view), "map-source", map_source, NULL);
 579                 }
 580
 581         g_object_unref(map_factory);
 582 }
 583
 584 void bar_pane_gps_enable_markers_checked_toggle_cb(GtkWidget *UNUSED(menu_widget), gpointer data)
 585 {
 586         auto pgd = static_cast<PaneGPSData *>(data);
 587
 588         if (pgd->enable_markers_checked)
 589                 {
 590                 pgd->enable_markers_checked = FALSE;
 591                 }
 592         else
 593                 {
 594                 pgd->enable_markers_checked = TRUE;
 595                 }
 596 }
 597
 598 static void bar_pane_gps_centre_map_checked_toggle_cb(GtkWidget *UNUSED(menu_widget), gpointer data)
 599 {
 600         auto pgd = static_cast<PaneGPSData *>(data);
 601
 602         if (pgd->centre_map_checked)
 603                 {
 604                 pgd->centre_map_checked = FALSE;
 605                 }
 606         else
 607                 {
 608                 pgd->centre_map_checked = TRUE;
 609                 }
 610 }
 611
 612 static void bar_pane_gps_change_map_cb(GtkWidget *widget, gpointer data)
 613 {
 614         auto pgd = static_cast<PaneGPSData *>(data);
 615         gchar *mapsource;
 616
 617         if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget)))
 618                 return;
 619
 620         if (!pgd) return;
 621
 622         mapsource = static_cast<gchar *>(g_object_get_data(G_OBJECT(widget), "menu_item_radio_data"));
 623         bar_pane_gps_set_map_source(pgd, mapsource);
 624 }
 625
 626 static void bar_pane_gps_notify_selection(GtkWidget *bar, gint count)
 627 {
 628         PaneGPSData *pgd;
 629
 630         if (count == 0) return;
 631
 632         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 633         if (!pgd) return;
 634
 635         bar_pane_gps_update(pgd);
 636 }
 637
 638 static void bar_pane_gps_set_fd(GtkWidget *bar, FileData *fd)
 639 {
 640         PaneGPSData *pgd;
 641
 642         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 643         if (!pgd) return;
 644
 645         file_data_unref(pgd->fd);
 646         pgd->fd = file_data_ref(fd);
 647
 648         bar_pane_gps_update(pgd);
 649 }
 650
 651 static gint bar_pane_gps_event(GtkWidget *bar, GdkEvent *event)
 652 {
 653         PaneGPSData *pgd;
 654
 655         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 656         if (!pgd) return FALSE;
 657
 658         if (gtk_widget_has_focus(pgd->widget)) return gtk_widget_event(GTK_WIDGET(pgd->widget), event);
 659
 660         return FALSE;
 661 }
 662
 663 static void bar_pane_gps_write_config(GtkWidget *pane, GString *outstr, gint indent)
 664 {
 665         PaneGPSData *pgd;
 666         gint zoom;
 667         ChamplainMapSource *mapsource;
 668         const gchar *map_id;
 669         gdouble position;
 670         gint int_position;
 671         gint w, h;
 672
 673         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 674         if (!pgd) return;
 675
 676         WRITE_NL();
 677         WRITE_STRING("<pane_gps ");
 678         write_char_option(outstr, indent, "id", pgd->pane.id);
 679         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(pgd->pane.title)));
 680         WRITE_BOOL(pgd->pane, expanded);
 681
 682         gtk_widget_get_size_request(GTK_WIDGET(pane), &w, &h);
 683         pgd->height = h;
 684
 685         WRITE_INT(*pgd, height);
 686         indent++;
 687
 688         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 689         map_id = champlain_map_source_get_id(mapsource);
 690         WRITE_NL();
 691         write_char_option(outstr, indent, "map-id", map_id);
 692
 693         GString *buffer = g_string_new(nullptr);
 694
 695         g_object_get(G_OBJECT(pgd->gps_view), "zoom-level", &zoom, NULL);
 696         g_string_printf(buffer, "%d", zoom);
 697         WRITE_NL();
 698         write_char_option(outstr, indent, "zoom-level", buffer->str);
 699
 700         g_object_get(G_OBJECT(pgd->gps_view), "latitude", &position, NULL);
 701         int_position = position * 1000000;
 702         g_string_printf(buffer, "%i", int_position);
 703         WRITE_NL();
 704         write_char_option(outstr, indent, "latitude", buffer->str);
 705
 706         g_object_get(G_OBJECT(pgd->gps_view), "longitude", &position, NULL);
 707         int_position = position * 1000000;
 708         g_string_printf(buffer, "%i", int_position);
 709         WRITE_NL();
 710         write_char_option(outstr, indent, "longitude", buffer->str);
 711
 712         indent--;
 713         WRITE_NL();
 714         WRITE_STRING("/>");
 715
 716         g_string_free(buffer, TRUE);
 717         g_object_unref(mapsource);
 718 }
 719
 720 static void bar_pane_gps_slider_changed_cb(GtkScaleButton *slider,
 721                                            gdouble zoom,
 722                                            gpointer data)
 723 {
 724         auto pgd = static_cast<PaneGPSData *>(data);
 725         GString *message;
 726
 727         message = g_string_new("");
 728         g_string_printf(message, _("Zoom %i"), static_cast<gint>(zoom));
 729
 730         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", static_cast<gint>(zoom), NULL);
 731         gtk_widget_set_tooltip_text(GTK_WIDGET(slider), message->str);
 732         g_string_free(message, TRUE);
 733
 734 }
 735 static void bar_pane_gps_view_state_changed_cb(ChamplainView *view,
 736                                                GParamSpec *UNUSED(gobject),
 737                                                gpointer data)
 738 {
 739         auto pgd = static_cast<PaneGPSData *>(data);
 740         ChamplainState status;
 741         gint zoom;
 742         GString *message;
 743
 744         g_object_get(G_OBJECT(view), "zoom-level", &zoom, NULL);
 745         message = g_string_new("");
 746         g_string_printf(message, _("Zoom level %i"), zoom);
 747
 748         g_object_get(G_OBJECT(view), "state", &status, NULL);
 749         if (status == CHAMPLAIN_STATE_LOADING)
 750                 {
 751                 gtk_label_set_text(GTK_LABEL(pgd->state), _("Loading map"));
 752                 }
 753         else
 754                 {
 755                 gtk_label_set_text(GTK_LABEL(pgd->state), message->str);
 756                 }
 757
 758         gtk_widget_set_tooltip_text(GTK_WIDGET(pgd->slider), message->str);
 759         gtk_scale_button_set_value(GTK_SCALE_BUTTON(pgd->slider), static_cast<gdouble>(zoom));
 760
 761         g_string_free(message, TRUE);
 762 }
 763
 764 static void bar_pane_gps_notify_cb(FileData *fd, NotifyType type, gpointer data)
 765 {
 766         auto pgd = static_cast<PaneGPSData *>(data);
 767
 768         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) &&
 769             g_list_find(pgd->selection_list, fd))
 770                 {
 771                 bar_pane_gps_update(pgd);
 772                 }
 773 }
 774
 775 const gchar *bar_pane_gps_get_map_id(PaneGPSData *pgd)
 776 {
 777         const gchar *map_id;
 778         ChamplainMapSource *mapsource;
 779
 780         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 781         map_id = champlain_map_source_get_id(mapsource);
 782
 783         g_object_unref(mapsource);
 784
 785         return map_id;
 786 }
 787
 788 static GtkWidget *bar_pane_gps_menu(PaneGPSData *pgd)
 789 {
 790         GtkWidget *menu;
 791         GtkWidget *map_centre;
 792         ChamplainMapSourceFactory *map_factory;
 793         GSList *map_list;
 794         ChamplainMapSourceDesc *map_desc;
 795         const gchar *current;
 796
 797         menu = popup_menu_short_lived();
 798
 799         map_factory = champlain_map_source_factory_dup_default();
 800         map_list = champlain_map_source_factory_get_registered(map_factory);
 801         current = bar_pane_gps_get_map_id(pgd);
 802
 803         while (map_list)
 804                 {
 805                 map_desc = static_cast<ChamplainMapSourceDesc *>(map_list->data);
 806
 807                 menu_item_add_radio(menu,
 808                                     champlain_map_source_desc_get_name(map_desc),
 809                                     const_cast<gchar *>(champlain_map_source_desc_get_id(map_desc)),
 810                                     strcmp(champlain_map_source_desc_get_id(map_desc), current) == 0,
 811                                     G_CALLBACK(bar_pane_gps_change_map_cb), pgd);
 812
 813                 map_list = g_slist_next(map_list);
 814                 }
 815
 816         menu_item_add_divider(menu);
 817         menu_item_add_check(menu, _("Enable markers"), pgd->enable_markers_checked,
 818                             G_CALLBACK(bar_pane_gps_enable_markers_checked_toggle_cb), pgd);
 819         map_centre = menu_item_add_check(menu, _("Centre map on marker"), pgd->centre_map_checked,
 820                                          G_CALLBACK(bar_pane_gps_centre_map_checked_toggle_cb), pgd);
 821         if (!pgd->enable_markers_checked)
 822                 {
 823                 gtk_widget_set_sensitive(map_centre, FALSE);
 824                 }
 825
 826         g_slist_free(map_list);
 827         g_object_unref(map_factory);
 828
 829         return menu;
 830 }
 831
 832 /* Determine if the map is to be re-centred on the marker when another photo is selected
 833  */
 834 void bar_pane_gps_map_centreing(PaneGPSData *pgd)
 835 {
 836         GenericDialog *gd;
 837         GString *message = g_string_new("");
 838
 839         if (pgd->centre_map_checked)
 840                 {
 841                 message = g_string_append(message, _("Move map centre to marker\n is disabled"));
 842                 pgd->centre_map_checked = FALSE;
 843                 }
 844         else
 845                 {
 846                 message = g_string_append(message, _("Move map centre to marker\n is enabled"));
 847                 pgd->centre_map_checked = TRUE;
 848                 }
 849
 850         gd = generic_dialog_new(_("Map centering"),
 851                                 "map_centering", nullptr, TRUE, nullptr, pgd);
 852         generic_dialog_add_message(gd, GTK_STOCK_DIALOG_INFO,
 853                                 "Map Centering", message->str, TRUE);
 854         generic_dialog_add_button(gd, GTK_STOCK_OK, nullptr, nullptr, TRUE);
 855
 856         gtk_widget_show(gd->dialog);
 857
 858         g_string_free(message, TRUE);
 859 }
 860
 861 static gboolean bar_pane_gps_map_keypress_cb(GtkWidget *UNUSED(widget), GdkEventButton *bevent, gpointer data)
 862 {
 863         auto pgd = static_cast<PaneGPSData *>(data);
 864         GtkWidget *menu;
 865         GtkClipboard *clipboard;
 866         gchar *geo_coords;
 867
 868         if (bevent->button == MOUSE_BUTTON_RIGHT)
 869                 {
 870                 menu = bar_pane_gps_menu(pgd);
 871                 gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
 872                 return TRUE;
 873                 }
 874         else if (bevent->button == MOUSE_BUTTON_MIDDLE)
 875                 {
 876                 bar_pane_gps_map_centreing(pgd);
 877                 return TRUE;
 878                 }
 879         else if (bevent->button == MOUSE_BUTTON_LEFT)
 880                 {
 881                 clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 882                 geo_coords = g_strdup_printf("%lf %lf",
 883                                                         champlain_view_y_to_latitude(
 884                                                                 CHAMPLAIN_VIEW(pgd->gps_view),bevent->y),
 885                                                         champlain_view_x_to_longitude(
 886                                                                 CHAMPLAIN_VIEW(pgd->gps_view),bevent->x));
 887                 gtk_clipboard_set_text(clipboard, geo_coords, -1);
 888
 889                 g_free(geo_coords);
 890
 891                 return TRUE;
 892                 }
 893         else
 894                 {
 895                 return FALSE;
 896                 }
 897 }
 898
 899 static void bar_pane_gps_destroy(GtkWidget *UNUSED(widget), gpointer data)
 900 {
 901         auto pgd = static_cast<PaneGPSData *>(data);
 902
 903         file_data_unregister_notify_func(bar_pane_gps_notify_cb, pgd);
 904
 905         g_idle_remove_by_data(pgd);
 906
 907         filelist_free(pgd->selection_list);
 908         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 909
 910         file_data_unref(pgd->fd);
 911         g_free(pgd->map_source);
 912         g_free(pgd->pane.id);
 913         clutter_actor_destroy(pgd->gps_view);
 914         g_free(pgd);
 915 }
 916
 917
 918 GtkWidget *bar_pane_gps_new(const gchar *id, const gchar *title, const gchar *map_id,
 919                                                 const gint zoom, const gdouble latitude, const gdouble longitude,
 920                                         gboolean expanded, gint height)
 921 {
 922         PaneGPSData *pgd;
 923         GtkWidget *vbox, *frame;
 924         GtkWidget *gpswidget;
 925         GtkWidget *status, *state, *progress, *slider;
 926         ChamplainMarkerLayer *layer;
 927         ChamplainView *view;
 928         const gchar *slider_list[] = {"zoom-in", "zoom-out", nullptr};
 929         const gchar **slider_icons = slider_list;
 930
 931         pgd = g_new0(PaneGPSData, 1);
 932
 933         pgd->pane.pane_set_fd = bar_pane_gps_set_fd;
 934         pgd->pane.pane_notify_selection = bar_pane_gps_notify_selection;
 935         pgd->pane.pane_event = bar_pane_gps_event;
 936         pgd->pane.pane_write_config = bar_pane_gps_write_config;
 937         pgd->pane.title = bar_pane_expander_title(title);
 938         pgd->pane.id = g_strdup(id);
 939         pgd->pane.type = PANE_GPS;
 940         pgd->pane.expanded = expanded;
 941         pgd->height = height;
 942
 943         frame = gtk_frame_new(nullptr);
 944         DEBUG_NAME(frame);
 945         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 946
 947         gpswidget = gtk_champlain_embed_new();
 948         view = gtk_champlain_embed_get_view(GTK_CHAMPLAIN_EMBED(gpswidget));
 949
 950         gtk_box_pack_start(GTK_BOX(vbox), gpswidget, TRUE, TRUE, 0);
 951         gtk_container_add(GTK_CONTAINER(frame), vbox);
 952
 953         status = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,0);
 954         slider = gtk_scale_button_new(GTK_ICON_SIZE_SMALL_TOOLBAR, 1, 17, 1, slider_icons);
 955         gtk_widget_set_tooltip_text(slider, _("Zoom"));
 956         gtk_scale_button_set_value(GTK_SCALE_BUTTON(slider), static_cast<gdouble>(zoom));
 957
 958         progress = gtk_progress_bar_new();
 959         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "");
 960         gtk_progress_bar_set_show_text(GTK_PROGRESS_BAR(progress), TRUE);
 961
 962         state = gtk_label_new("");
 963         gtk_label_set_justify(GTK_LABEL(state), GTK_JUSTIFY_LEFT);
 964         gtk_label_set_ellipsize(GTK_LABEL(state), PANGO_ELLIPSIZE_START);
 965         gtk_widget_set_tooltip_text(state, _("Zoom level"));
 966
 967         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(slider), FALSE, FALSE, 0);
 968         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(state), FALSE, FALSE, 5);
 969         gtk_box_pack_end(GTK_BOX(status), GTK_WIDGET(progress), FALSE, FALSE, 0);
 970         gtk_box_pack_end(GTK_BOX(vbox),GTK_WIDGET(status), FALSE, FALSE, 0);
 971
 972         layer = champlain_marker_layer_new();
 973         champlain_view_add_layer(view, CHAMPLAIN_LAYER(layer));
 974
 975         pgd->icon_layer = layer;
 976         pgd->gps_view = CLUTTER_ACTOR(view);
 977         pgd->widget = frame;
 978         pgd->progress = progress;
 979         pgd->slider = slider;
 980         pgd->state = state;
 981
 982         bar_pane_gps_set_map_source(pgd, map_id);
 983
 984         g_object_set(G_OBJECT(view), "kinetic-mode", TRUE,
 985                                      "zoom-level", zoom,
 986                                      "keep-center-on-resize", TRUE,
 987                                      "deceleration", 1.1,
 988                                      "zoom-on-double-click", FALSE,
 989                                      "max-zoom-level", 17,
 990                                      "min-zoom-level", 1,
 991                                      NULL);
 992         champlain_view_center_on(view, latitude, longitude);
 993         pgd->centre_map_checked = TRUE;
 994         g_object_set_data(G_OBJECT(pgd->widget), "pane_data", pgd);
 995         g_signal_connect(G_OBJECT(pgd->widget), "destroy", G_CALLBACK(bar_pane_gps_destroy), pgd);
 996
 997         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
 998
 999         gtk_widget_set_size_request(pgd->widget, -1, height);
1000
1001         g_signal_connect(G_OBJECT(gpswidget), "button_press_event", G_CALLBACK(bar_pane_gps_map_keypress_cb), pgd);
1002         g_signal_connect(pgd->gps_view, "notify::state", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
1003         g_signal_connect(pgd->gps_view, "notify::zoom-level", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
1004         g_signal_connect(G_OBJECT(slider), "value-changed", G_CALLBACK(bar_pane_gps_slider_changed_cb), pgd);
1005
1006         bar_pane_gps_dnd_init(pgd);
1007
1008         file_data_register_notify_func(bar_pane_gps_notify_cb, pgd, NOTIFY_PRIORITY_LOW);
1009
1010         pgd->create_markers_id = 0;
1011         pgd->enable_markers_checked = TRUE;
1012         pgd->centre_map_checked = TRUE;
1013
1014         return pgd->widget;
1015 }
1016
1017 GtkWidget *bar_pane_gps_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
1018 {
1019         gchar *title = g_strdup(_("GPS Map"));
1020         gchar *map_id = nullptr;
1021         gboolean expanded = TRUE;
1022         gint height = 350;
1023         gint zoom = 7;
1024         gdouble latitude;
1025         gdouble longitude;
1026         /* Latitude and longitude are stored in the config file as an integer of
1027          * (actual value * 1,000,000). There is no READ_DOUBLE utility function.
1028          */
1029         gint int_latitude = 54000000;
1030         gint int_longitude = -4000000;
1031         gchar *id = g_strdup("gps");
1032         GtkWidget *ret;
1033
1034         while (*attribute_names)
1035                 {
1036                 const gchar *option = *attribute_names++;
1037                 const gchar *value = *attribute_values++;
1038
1039                 if (READ_CHAR_FULL("title", title))
1040                         continue;
1041                 if (READ_CHAR_FULL("map-id", map_id))
1042                         continue;
1043                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 20))
1044                         continue;
1045                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
1046                         continue;
1047                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
1048                         continue;
1049                 if (READ_BOOL_FULL("expanded", expanded))
1050                         continue;
1051                 if (READ_INT_FULL("height", height))
1052                         continue;
1053                 if (READ_CHAR_FULL("id", id))
1054                         continue;
1055
1056                 log_printf("unknown attribute %s = %s\n", option, value);
1057                 }
1058
1059         bar_pane_translate_title(PANE_COMMENT, id, &title);
1060         latitude = static_cast<gdouble>(int_latitude) / 1000000;
1061         longitude = static_cast<gdouble>(int_longitude) / 1000000;
1062         ret = bar_pane_gps_new(id, title, map_id, zoom, latitude, longitude, expanded, height);
1063         g_free(title);
1064         g_free(map_id);
1065         g_free(id);
1066         return ret;
1067 }
1068
1069 void bar_pane_gps_update_from_config(GtkWidget *pane, const gchar **attribute_names,
1070                                                                                 const gchar **attribute_values)
1071 {
1072         PaneGPSData *pgd;
1073         gint zoom;
1074         gint int_longitude, int_latitude;
1075         gdouble longitude, latitude;
1076
1077         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
1078         if (!pgd)
1079                 return;
1080
1081         gchar *title = nullptr;
1082
1083         while (*attribute_names)
1084         {
1085                 const gchar *option = *attribute_names++;
1086                 const gchar *value = *attribute_values++;
1087
1088                 if (READ_CHAR_FULL("title", title))
1089                         continue;
1090                 if (READ_CHAR_FULL("map-id", pgd->map_source))
1091                         continue;
1092                 if (READ_BOOL_FULL("expanded", pgd->pane.expanded))
1093                         continue;
1094                 if (READ_INT_FULL("height", pgd->height))
1095                         continue;
1096                 if (READ_CHAR_FULL("id", pgd->pane.id))
1097                         continue;
1098                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
1099                         {
1100                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", zoom, NULL);
1101                         continue;
1102                         }
1103                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
1104                         {
1105                         longitude = int_longitude / 1000000;
1106                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "longitude", longitude, NULL);
1107                         continue;
1108                         }
1109                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
1110                         {
1111                         latitude = int_latitude / 1000000;
1112                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "latitude", latitude, NULL);
1113                         continue;
1114                         }
1115                 log_printf("unknown attribute %s = %s\n", option, value);
1116         }
1117
1118         if (title)
1119                 {
1120                 bar_pane_translate_title(PANE_COMMENT, pgd->pane.id, &title);
1121                 gtk_label_set_text(GTK_LABEL(pgd->pane.title), title);
1122                 g_free(title);
1123                 }
1124
1125         gtk_widget_set_size_request(pgd->widget, -1, pgd->height);
1126         bar_update_expander(pane);
1127 }
1128
1129 #endif
1130 #endif
1131
1132 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */