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 *, 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 *, 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 *,
 129                                                                           gint x, gint y,
 130                                                                           GtkSelectionData *selection_data, guint info,
 131                                                                           guint, gpointer)
 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, GQ_ICON_DIALOG_QUESTION,
 216                                                         _("Write lat/long to meta-data?"),
 217                                                         message->str, TRUE);
 218
 219                                 generic_dialog_add_button(gd, GQ_ICON_SAVE, _("Save"),
 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 *, cairo_t *cr, gpointer)
 258 {
 259         cairo_set_source_rgb(cr, 255, 0, 0);
 260
 261         cairo_set_line_width(cr, 2);
 262         cairo_move_to(cr, 0, 1);
 263         cairo_line_to(cr, DIRECTION_SIZE, 1);
 264
 265         cairo_stroke(cr);
 266
 267         return TRUE;
 268 }
 269
 270 static void bar_pane_gps_thumb_done_cb(ThumbLoader *tl, gpointer data)
 271 {
 272         FileData *fd;
 273         ClutterActor *marker;
 274         ClutterActor *actor;
 275
 276         marker = CLUTTER_ACTOR(data);
 277         fd = static_cast<FileData *>(g_object_get_data(G_OBJECT(marker), "file_fd"));
 278         if (fd->thumb_pixbuf != nullptr)
 279                 {
 280                 actor = gtk_clutter_texture_new();
 281                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, nullptr);
 282                 champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
 283                 }
 284         thumb_loader_free(tl);
 285 }
 286
 287 static void bar_pane_gps_thumb_error_cb(ThumbLoader *tl, gpointer)
 288 {
 289         thumb_loader_free(tl);
 290 }
 291
 292 static gboolean bar_pane_gps_marker_keypress_cb(GtkWidget *widget, ClutterButtonEvent *bevent, gpointer)
 293 {
 294         FileData *fd;
 295         ClutterActor *label_marker, *parent_marker;
 296         ClutterColor marker_colour = { MARKER_COLOUR };
 297         ClutterColor text_colour = { TEXT_COLOUR };
 298         ClutterColor thumb_colour = { THUMB_COLOUR };
 299         gchar *current_text;
 300         ClutterActor *actor, *direction;
 301         ClutterActor *current_image;
 302         GString *text;
 303         gint height, width;
 304         GdkPixbufRotation rotate;
 305         gchar *altitude = nullptr;
 306         ThumbLoader *tl;
 307
 308         if (bevent->button == MOUSE_BUTTON_LEFT)
 309                 {
 310                 label_marker = CLUTTER_ACTOR(widget);
 311                 fd = static_cast<FileData *>(g_object_get_data(G_OBJECT(label_marker), "file_fd"));
 312
 313                 /* If the marker is showing a thumbnail, delete it
 314                  */
 315                 current_image = champlain_label_get_image(CHAMPLAIN_LABEL(label_marker));
 316                 if (current_image != nullptr)
 317                         {
 318                         clutter_actor_destroy(CLUTTER_ACTOR(current_image));
 319                         champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), nullptr);
 320                         }
 321
 322                 current_text = g_strdup(champlain_label_get_text(CHAMPLAIN_LABEL(label_marker)));
 323
 324                 /* If the marker is showing only the text character, replace it with a
 325                  * thumbnail and date and altitude
 326                  */
 327                 if (g_strcmp0(current_text, "i") == 0)
 328                         {
 329                         /* If a thumbail has already been generated, use that. If not try the pixbuf of the full image.
 330                          * If not, call the thumb_loader to generate a thumbnail and update the marker later in the
 331                          * thumb_loader callback
 332                          */
 333                          if (fd->thumb_pixbuf != nullptr)
 334                                 {
 335                                 actor = gtk_clutter_texture_new();
 336                                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, nullptr);
 337                                 champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), actor);
 338                                 }
 339                         else if (fd->pixbuf != nullptr)
 340                                 {
 341                                 actor = gtk_clutter_texture_new();
 342                                 width = gdk_pixbuf_get_width (fd->pixbuf);
 343                                 height = gdk_pixbuf_get_height (fd->pixbuf);
 344                                 switch (fd->exif_orientation)
 345                                         {
 346                                         case 8:
 347                                                 rotate = GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE;
 348                                                 break;
 349                                         case 3:
 350                                                 rotate = GDK_PIXBUF_ROTATE_UPSIDEDOWN;
 351                                                 break;
 352                                         case 6:
 353                                                 rotate = GDK_PIXBUF_ROTATE_CLOCKWISE;
 354                                                 break;
 355                                         default:
 356                                                 rotate = GDK_PIXBUF_ROTATE_NONE;
 357                                         }
 358
 359                                         gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor),
 360                                                                                 gdk_pixbuf_rotate_simple(gdk_pixbuf_scale_simple(fd->pixbuf, THUMB_SIZE, height * THUMB_SIZE / width,
 361                                                                                 GDK_INTERP_NEAREST), rotate), nullptr);
 362                                         champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), actor);
 363                                 }
 364                         else
 365                                 {
 366                                 tl = thumb_loader_new(THUMB_SIZE, THUMB_SIZE);
 367                                 thumb_loader_set_callbacks(tl,
 368                                                                                         bar_pane_gps_thumb_done_cb,
 369                                                                                         bar_pane_gps_thumb_error_cb,
 370                                                                                         nullptr,
 371                                                                                         label_marker);
 372                                 thumb_loader_start(tl, fd);
 373                                 }
 374
 375                         text = g_string_new(fd->name);
 376                         g_string_append(text, "\n");
 377                         g_string_append(text, text_from_time(fd->date));
 378                         g_string_append(text, "\n");
 379                         altitude = metadata_read_string(fd, "formatted.GPSAltitude", METADATA_FORMATTED);
 380                         if (altitude != nullptr)
 381                                 {
 382                                 g_string_append(text, altitude);
 383                                 }
 384
 385                         champlain_label_set_text(CHAMPLAIN_LABEL(label_marker), text->str);
 386                         champlain_label_set_font_name(CHAMPLAIN_LABEL(label_marker), "sans 8");
 387                         champlain_marker_set_selection_color(&thumb_colour);
 388                         champlain_marker_set_selection_text_color(&text_colour);
 389
 390                         g_free(altitude);
 391                         g_string_free(text, TRUE);
 392
 393                         parent_marker = clutter_actor_get_parent(label_marker);
 394                         if (clutter_actor_get_n_children(parent_marker ) > 1 )
 395                                 {
 396                                 direction = clutter_actor_get_child_at_index(parent_marker, 0);
 397                                 clutter_actor_set_opacity(direction, 255);
 398                                 }
 399                         }
 400                 /* otherwise, revert to the hidden text marker
 401                  */
 402                 else
 403                         {
 404                         champlain_label_set_text(CHAMPLAIN_LABEL(label_marker), "i");
 405                         champlain_label_set_font_name(CHAMPLAIN_LABEL(label_marker), "courier 5");
 406                         champlain_marker_set_selection_color(&marker_colour);
 407                         champlain_marker_set_selection_text_color(&marker_colour);
 408
 409                         parent_marker = clutter_actor_get_parent(label_marker);
 410                         if (clutter_actor_get_n_children(parent_marker ) > 1 )
 411                                 {
 412                                 direction = clutter_actor_get_child_at_index(parent_marker, 0);
 413                                 clutter_actor_set_opacity(direction, 0);
 414                                 }
 415                         }
 416
 417                 g_free(current_text);
 418
 419                 return TRUE;
 420                 }
 421         return TRUE;
 422 }
 423
 424 static gboolean bar_pane_gps_create_markers_cb(gpointer data)
 425 {
 426         auto pgd = static_cast<PaneGPSData *>(data);
 427         gdouble latitude;
 428         gdouble longitude;
 429         gdouble compass;
 430         FileData *fd;
 431         ClutterActor *parent_marker, *label_marker;
 432         ClutterActor *direction;
 433         ClutterColor marker_colour = { MARKER_COLOUR };
 434         ClutterColor thumb_colour = { THUMB_COLOUR };
 435         GString *message;
 436         ClutterContent *canvas;
 437
 438         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress),
 439                                                         static_cast<gdouble>(pgd->selection_count - g_list_length(pgd->not_added)) /
 440                                                         static_cast<gdouble>(pgd->selection_count));
 441
 442         message = g_string_new("");
 443         g_string_printf(message, "%i/%i", (pgd->selection_count - g_list_length(pgd->not_added)),
 444                                                                                                                                                         pgd->selection_count);
 445         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), message->str);
 446         g_string_free(message, TRUE);
 447
 448         if(pgd->not_added)
 449                 {
 450                 fd = static_cast<FileData *>(pgd->not_added->data);
 451                 pgd->not_added = pgd->not_added->next;
 452
 453                 latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 0);
 454                 longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 0);
 455                 compass = metadata_read_GPS_direction(fd, "Xmp.exif.GPSImgDirection", 1000);
 456
 457                 if (!(latitude == 0 && longitude == 0))
 458                         {
 459                         pgd->num_added++;
 460
 461                         parent_marker = champlain_marker_new();
 462                         clutter_actor_set_reactive(parent_marker, FALSE);
 463                         label_marker = champlain_label_new_with_text("i","courier 5", &marker_colour, &marker_colour);
 464                         clutter_actor_set_reactive(label_marker, TRUE);
 465                         champlain_marker_set_selection_color(&thumb_colour);
 466
 467                         if (compass != 1000)
 468                                 {
 469                                 canvas = clutter_canvas_new();
 470                                 clutter_canvas_set_size(CLUTTER_CANVAS (canvas), DIRECTION_SIZE, 3);
 471                                 g_signal_connect(canvas, "draw", G_CALLBACK(bar_gps_draw_direction), NULL);
 472                                 direction = clutter_actor_new();
 473                                 clutter_actor_set_size(direction, DIRECTION_SIZE, 3);
 474                                 clutter_actor_set_position(direction, 0, 0);
 475                                 clutter_actor_set_rotation_angle(direction, CLUTTER_Z_AXIS, compass -90.00);
 476                                 clutter_actor_set_content(direction, canvas);
 477                                 clutter_content_invalidate(canvas);
 478                                 g_object_unref(canvas);
 479
 480                                 clutter_actor_add_child(parent_marker, direction);
 481                                 clutter_actor_set_opacity(direction, 0);
 482                                 }
 483
 484                         clutter_actor_add_child(parent_marker, label_marker);
 485
 486                         champlain_location_set_location(CHAMPLAIN_LOCATION(parent_marker), latitude, longitude);
 487                         champlain_marker_layer_add_marker(pgd->icon_layer, CHAMPLAIN_MARKER(parent_marker));
 488
 489                         g_signal_connect(G_OBJECT(label_marker), "button_release_event",
 490                                         G_CALLBACK(bar_pane_gps_marker_keypress_cb), pgd);
 491
 492                         g_object_set_data(G_OBJECT(label_marker), "file_fd", fd);
 493
 494                         champlain_bounding_box_extend(pgd->bbox, latitude, longitude);
 495
 496                         }
 497                 return G_SOURCE_CONTINUE;
 498                 }
 499
 500         if (pgd->centre_map_checked)
 501                 {
 502                 if (pgd->num_added == 1)
 503                         {
 504                         champlain_bounding_box_get_center(pgd->bbox, &latitude, &longitude);
 505                         champlain_view_go_to(CHAMPLAIN_VIEW(pgd->gps_view), latitude, longitude);
 506                         }
 507                  else if (pgd->num_added > 1)
 508                         {
 509                         champlain_view_ensure_visible(CHAMPLAIN_VIEW(pgd->gps_view), pgd->bbox, TRUE);
 510                         }
 511                 }
 512         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress), 0);
 513         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), nullptr);
 514         pgd->create_markers_id = 0;
 515
 516         return G_SOURCE_REMOVE;
 517 }
 518
 519 static void bar_pane_gps_update(PaneGPSData *pgd)
 520 {
 521         GList *list;
 522
 523         /* If a create-marker background process is running, kill it
 524          * and start again
 525          */
 526         if (pgd->create_markers_id != 0)
 527                 {
 528                 if (g_idle_remove_by_data(pgd))
 529                         {
 530                         pgd->create_markers_id = 0;
 531                         }
 532                 else
 533                         {
 534                         return;
 535                         }
 536                 }
 537
 538         /* Delete any markers currently displayed
 539          */
 540
 541         champlain_marker_layer_remove_all(pgd->icon_layer);
 542
 543         if (!pgd->enable_markers_checked)
 544                 {
 545                 return;
 546                 }
 547
 548         /* For each selected photo that has GPS data, create a marker containing
 549          * a single, small text character the same colour as the marker background.
 550          * Use a background process in case the user selects a large number of files.
 551          */
 552         filelist_free(pgd->selection_list);
 553         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 554
 555         list = layout_selection_list(pgd->pane.lw);
 556         list = file_data_process_groups_in_selection(list, FALSE, nullptr);
 557
 558         pgd->selection_list = list;
 559         pgd->not_added = list;
 560
 561         pgd->bbox = champlain_bounding_box_new();
 562         pgd->selection_count = g_list_length(pgd->selection_list);
 563         pgd->create_markers_id = g_idle_add(bar_pane_gps_create_markers_cb, pgd);
 564         pgd->num_added = 0;
 565 }
 566
 567 static void bar_pane_gps_set_map_source(PaneGPSData *pgd, const gchar *map_id)
 568 {
 569         ChamplainMapSource *map_source;
 570         ChamplainMapSourceFactory *map_factory;
 571
 572         map_factory = champlain_map_source_factory_dup_default();
 573         map_source = champlain_map_source_factory_create(map_factory, map_id);
 574
 575         if (map_source != nullptr)
 576                 {
 577                 g_object_set(G_OBJECT(pgd->gps_view), "map-source", map_source, NULL);
 578                 }
 579
 580         g_object_unref(map_factory);
 581 }
 582
 583 static void bar_pane_gps_enable_markers_checked_toggle_cb(GtkWidget *, gpointer data)
 584 {
 585         auto pgd = static_cast<PaneGPSData *>(data);
 586
 587         if (pgd->enable_markers_checked)
 588                 {
 589                 pgd->enable_markers_checked = FALSE;
 590                 }
 591         else
 592                 {
 593                 pgd->enable_markers_checked = TRUE;
 594                 }
 595 }
 596
 597 static void bar_pane_gps_centre_map_checked_toggle_cb(GtkWidget *, gpointer data)
 598 {
 599         auto pgd = static_cast<PaneGPSData *>(data);
 600
 601         if (pgd->centre_map_checked)
 602                 {
 603                 pgd->centre_map_checked = FALSE;
 604                 }
 605         else
 606                 {
 607                 pgd->centre_map_checked = TRUE;
 608                 }
 609 }
 610
 611 static void bar_pane_gps_change_map_cb(GtkWidget *widget, gpointer data)
 612 {
 613         auto pgd = static_cast<PaneGPSData *>(data);
 614         gchar *mapsource;
 615
 616         if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget)))
 617                 return;
 618
 619         if (!pgd) return;
 620
 621         mapsource = static_cast<gchar *>(g_object_get_data(G_OBJECT(widget), "menu_item_radio_data"));
 622         bar_pane_gps_set_map_source(pgd, mapsource);
 623 }
 624
 625 static void bar_pane_gps_notify_selection(GtkWidget *bar, gint count)
 626 {
 627         PaneGPSData *pgd;
 628
 629         if (count == 0) return;
 630
 631         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 632         if (!pgd) return;
 633
 634         bar_pane_gps_update(pgd);
 635 }
 636
 637 static void bar_pane_gps_set_fd(GtkWidget *bar, FileData *fd)
 638 {
 639         PaneGPSData *pgd;
 640
 641         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 642         if (!pgd) return;
 643
 644         file_data_unref(pgd->fd);
 645         pgd->fd = file_data_ref(fd);
 646
 647         bar_pane_gps_update(pgd);
 648 }
 649
 650 static gint bar_pane_gps_event(GtkWidget *bar, GdkEvent *event)
 651 {
 652         PaneGPSData *pgd;
 653
 654         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 655         if (!pgd) return FALSE;
 656
 657         if (gtk_widget_has_focus(pgd->widget)) return gtk_widget_event(GTK_WIDGET(pgd->widget), event);
 658
 659         return FALSE;
 660 }
 661
 662 static void bar_pane_gps_write_config(GtkWidget *pane, GString *outstr, gint indent)
 663 {
 664         PaneGPSData *pgd;
 665         gint zoom;
 666         ChamplainMapSource *mapsource;
 667         const gchar *map_id;
 668         gdouble position;
 669         gint int_position;
 670         gint w, h;
 671
 672         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 673         if (!pgd) return;
 674
 675         WRITE_NL();
 676         WRITE_STRING("<pane_gps ");
 677         write_char_option(outstr, indent, "id", pgd->pane.id);
 678         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(pgd->pane.title)));
 679         WRITE_BOOL(pgd->pane, expanded);
 680
 681         gtk_widget_get_size_request(GTK_WIDGET(pane), &w, &h);
 682         pgd->height = h;
 683
 684         WRITE_INT(*pgd, height);
 685         indent++;
 686
 687         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 688         map_id = champlain_map_source_get_id(mapsource);
 689         WRITE_NL();
 690         write_char_option(outstr, indent, "map-id", map_id);
 691
 692         GString *buffer = g_string_new(nullptr);
 693
 694         g_object_get(G_OBJECT(pgd->gps_view), "zoom-level", &zoom, NULL);
 695         g_string_printf(buffer, "%d", zoom);
 696         WRITE_NL();
 697         write_char_option(outstr, indent, "zoom-level", buffer->str);
 698
 699         g_object_get(G_OBJECT(pgd->gps_view), "latitude", &position, NULL);
 700         int_position = position * 1000000;
 701         g_string_printf(buffer, "%i", int_position);
 702         WRITE_NL();
 703         write_char_option(outstr, indent, "latitude", buffer->str);
 704
 705         g_object_get(G_OBJECT(pgd->gps_view), "longitude", &position, NULL);
 706         int_position = position * 1000000;
 707         g_string_printf(buffer, "%i", int_position);
 708         WRITE_NL();
 709         write_char_option(outstr, indent, "longitude", buffer->str);
 710
 711         indent--;
 712         WRITE_NL();
 713         WRITE_STRING("/>");
 714
 715         g_string_free(buffer, TRUE);
 716         g_object_unref(mapsource);
 717 }
 718
 719 static void bar_pane_gps_slider_changed_cb(GtkScaleButton *slider,
 720                                            gdouble zoom,
 721                                            gpointer data)
 722 {
 723         auto pgd = static_cast<PaneGPSData *>(data);
 724         GString *message;
 725
 726         message = g_string_new("");
 727         g_string_printf(message, _("Zoom %i"), static_cast<gint>(zoom));
 728
 729         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", static_cast<gint>(zoom), NULL);
 730         gtk_widget_set_tooltip_text(GTK_WIDGET(slider), message->str);
 731         g_string_free(message, TRUE);
 732
 733 }
 734 static void bar_pane_gps_view_state_changed_cb(ChamplainView *view, GParamSpec *, gpointer data)
 735 {
 736         auto pgd = static_cast<PaneGPSData *>(data);
 737         ChamplainState status;
 738         gint zoom;
 739         GString *message;
 740
 741         g_object_get(G_OBJECT(view), "zoom-level", &zoom, NULL);
 742         message = g_string_new("");
 743         g_string_printf(message, _("Zoom level %i"), zoom);
 744
 745         g_object_get(G_OBJECT(view), "state", &status, NULL);
 746         if (status == CHAMPLAIN_STATE_LOADING)
 747                 {
 748                 gtk_label_set_text(GTK_LABEL(pgd->state), _("Loading map"));
 749                 }
 750         else
 751                 {
 752                 gtk_label_set_text(GTK_LABEL(pgd->state), message->str);
 753                 }
 754
 755         gtk_widget_set_tooltip_text(GTK_WIDGET(pgd->slider), message->str);
 756         gtk_scale_button_set_value(GTK_SCALE_BUTTON(pgd->slider), static_cast<gdouble>(zoom));
 757
 758         g_string_free(message, TRUE);
 759 }
 760
 761 static void bar_pane_gps_notify_cb(FileData *fd, NotifyType type, gpointer data)
 762 {
 763         auto pgd = static_cast<PaneGPSData *>(data);
 764
 765         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) &&
 766             g_list_find(pgd->selection_list, fd))
 767                 {
 768                 bar_pane_gps_update(pgd);
 769                 }
 770 }
 771
 772 static const gchar *bar_pane_gps_get_map_id(PaneGPSData *pgd)
 773 {
 774         const gchar *map_id;
 775         ChamplainMapSource *mapsource;
 776
 777         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 778         map_id = champlain_map_source_get_id(mapsource);
 779
 780         g_object_unref(mapsource);
 781
 782         return map_id;
 783 }
 784
 785 static GtkWidget *bar_pane_gps_menu(PaneGPSData *pgd)
 786 {
 787         GtkWidget *menu;
 788         GtkWidget *map_centre;
 789         ChamplainMapSourceFactory *map_factory;
 790         GSList *map_list;
 791         ChamplainMapSourceDesc *map_desc;
 792         const gchar *current;
 793
 794         menu = popup_menu_short_lived();
 795
 796         map_factory = champlain_map_source_factory_dup_default();
 797         map_list = champlain_map_source_factory_get_registered(map_factory);
 798         current = bar_pane_gps_get_map_id(pgd);
 799
 800         while (map_list)
 801                 {
 802                 map_desc = static_cast<ChamplainMapSourceDesc *>(map_list->data);
 803
 804                 menu_item_add_radio(menu,
 805                                     champlain_map_source_desc_get_name(map_desc),
 806                                     const_cast<gchar *>(champlain_map_source_desc_get_id(map_desc)),
 807                                     strcmp(champlain_map_source_desc_get_id(map_desc), current) == 0,
 808                                     G_CALLBACK(bar_pane_gps_change_map_cb), pgd);
 809
 810                 map_list = g_slist_next(map_list);
 811                 }
 812
 813         menu_item_add_divider(menu);
 814         menu_item_add_check(menu, _("Enable markers"), pgd->enable_markers_checked,
 815                             G_CALLBACK(bar_pane_gps_enable_markers_checked_toggle_cb), pgd);
 816         map_centre = menu_item_add_check(menu, _("Centre map on marker"), pgd->centre_map_checked,
 817                                          G_CALLBACK(bar_pane_gps_centre_map_checked_toggle_cb), pgd);
 818         if (!pgd->enable_markers_checked)
 819                 {
 820                 gtk_widget_set_sensitive(map_centre, FALSE);
 821                 }
 822
 823         g_slist_free(map_list);
 824         g_object_unref(map_factory);
 825
 826         return menu;
 827 }
 828
 829 /* Determine if the map is to be re-centred on the marker when another photo is selected
 830  */
 831 static void bar_pane_gps_map_centreing(PaneGPSData *pgd)
 832 {
 833         GenericDialog *gd;
 834         GString *message = g_string_new("");
 835
 836         if (pgd->centre_map_checked)
 837                 {
 838                 message = g_string_append(message, _("Move map centre to marker\n is disabled"));
 839                 pgd->centre_map_checked = FALSE;
 840                 }
 841         else
 842                 {
 843                 message = g_string_append(message, _("Move map centre to marker\n is enabled"));
 844                 pgd->centre_map_checked = TRUE;
 845                 }
 846
 847         gd = generic_dialog_new(_("Map centering"),
 848                                 "map_centering", nullptr, TRUE, nullptr, pgd);
 849         generic_dialog_add_message(gd, GQ_ICON_DIALOG_INFO,
 850                                 "Map Centering", message->str, TRUE);
 851         generic_dialog_add_button(gd, GQ_ICON_OK, "OK", NULL, TRUE);
 852
 853         gtk_widget_show(gd->dialog);
 854
 855         g_string_free(message, TRUE);
 856 }
 857
 858 static gboolean bar_pane_gps_map_keypress_cb(GtkWidget *, GdkEventButton *bevent, gpointer data)
 859 {
 860         auto pgd = static_cast<PaneGPSData *>(data);
 861         GtkWidget *menu;
 862         GtkClipboard *clipboard;
 863         gchar *geo_coords;
 864
 865         if (bevent->button == MOUSE_BUTTON_RIGHT)
 866                 {
 867                 menu = bar_pane_gps_menu(pgd);
 868                 gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
 869                 return TRUE;
 870                 }
 871         else if (bevent->button == MOUSE_BUTTON_MIDDLE)
 872                 {
 873                 bar_pane_gps_map_centreing(pgd);
 874                 return TRUE;
 875                 }
 876         else if (bevent->button == MOUSE_BUTTON_LEFT)
 877                 {
 878                 clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 879                 geo_coords = g_strdup_printf("%lf %lf",
 880                                                         champlain_view_y_to_latitude(
 881                                                                 CHAMPLAIN_VIEW(pgd->gps_view),bevent->y),
 882                                                         champlain_view_x_to_longitude(
 883                                                                 CHAMPLAIN_VIEW(pgd->gps_view),bevent->x));
 884                 gtk_clipboard_set_text(clipboard, geo_coords, -1);
 885
 886                 g_free(geo_coords);
 887
 888                 return TRUE;
 889                 }
 890         else
 891                 {
 892                 return FALSE;
 893                 }
 894 }
 895
 896 static void bar_pane_gps_destroy(GtkWidget *, gpointer data)
 897 {
 898         auto pgd = static_cast<PaneGPSData *>(data);
 899
 900         file_data_unregister_notify_func(bar_pane_gps_notify_cb, pgd);
 901
 902         g_idle_remove_by_data(pgd);
 903
 904         filelist_free(pgd->selection_list);
 905         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 906
 907         file_data_unref(pgd->fd);
 908         g_free(pgd->map_source);
 909         g_free(pgd->pane.id);
 910         clutter_actor_destroy(pgd->gps_view);
 911         g_free(pgd);
 912 }
 913
 914
 915 GtkWidget *bar_pane_gps_new(const gchar *id, const gchar *title, const gchar *map_id,
 916                                                 const gint zoom, const gdouble latitude, const gdouble longitude,
 917                                         gboolean expanded, gint height)
 918 {
 919         PaneGPSData *pgd;
 920         GtkWidget *vbox, *frame;
 921         GtkWidget *gpswidget;
 922         GtkWidget *status, *state, *progress, *slider;
 923         ChamplainMarkerLayer *layer;
 924         ChamplainView *view;
 925         const gchar *slider_list[] = {GQ_ICON_ZOOM_IN, GQ_ICON_ZOOM_OUT, nullptr};
 926         const gchar **slider_icons = slider_list;
 927
 928         pgd = g_new0(PaneGPSData, 1);
 929
 930         pgd->pane.pane_set_fd = bar_pane_gps_set_fd;
 931         pgd->pane.pane_notify_selection = bar_pane_gps_notify_selection;
 932         pgd->pane.pane_event = bar_pane_gps_event;
 933         pgd->pane.pane_write_config = bar_pane_gps_write_config;
 934         pgd->pane.title = bar_pane_expander_title(title);
 935         pgd->pane.id = g_strdup(id);
 936         pgd->pane.type = PANE_GPS;
 937         pgd->pane.expanded = expanded;
 938         pgd->height = height;
 939
 940         frame = gtk_frame_new(nullptr);
 941         DEBUG_NAME(frame);
 942         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 943
 944         gpswidget = gtk_champlain_embed_new();
 945         view = gtk_champlain_embed_get_view(GTK_CHAMPLAIN_EMBED(gpswidget));
 946
 947         gtk_box_pack_start(GTK_BOX(vbox), gpswidget, TRUE, TRUE, 0);
 948         gtk_container_add(GTK_CONTAINER(frame), vbox);
 949
 950         status = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,0);
 951         slider = gtk_scale_button_new(GTK_ICON_SIZE_SMALL_TOOLBAR, 1, 17, 1, slider_icons);
 952         gtk_widget_set_tooltip_text(slider, _("Zoom"));
 953         gtk_scale_button_set_value(GTK_SCALE_BUTTON(slider), static_cast<gdouble>(zoom));
 954
 955         progress = gtk_progress_bar_new();
 956         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "");
 957         gtk_progress_bar_set_show_text(GTK_PROGRESS_BAR(progress), TRUE);
 958
 959         state = gtk_label_new("");
 960         gtk_label_set_justify(GTK_LABEL(state), GTK_JUSTIFY_LEFT);
 961         gtk_label_set_ellipsize(GTK_LABEL(state), PANGO_ELLIPSIZE_START);
 962         gtk_widget_set_tooltip_text(state, _("Zoom level"));
 963
 964         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(slider), FALSE, FALSE, 0);
 965         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(state), FALSE, FALSE, 5);
 966         gtk_box_pack_end(GTK_BOX(status), GTK_WIDGET(progress), FALSE, FALSE, 0);
 967         gtk_box_pack_end(GTK_BOX(vbox),GTK_WIDGET(status), FALSE, FALSE, 0);
 968
 969         layer = champlain_marker_layer_new();
 970         champlain_view_add_layer(view, CHAMPLAIN_LAYER(layer));
 971
 972         pgd->icon_layer = layer;
 973         pgd->gps_view = CLUTTER_ACTOR(view);
 974         pgd->widget = frame;
 975         pgd->progress = progress;
 976         pgd->slider = slider;
 977         pgd->state = state;
 978
 979         bar_pane_gps_set_map_source(pgd, map_id);
 980
 981         g_object_set(G_OBJECT(view), "kinetic-mode", TRUE,
 982                                      "zoom-level", zoom,
 983                                      "keep-center-on-resize", TRUE,
 984                                      "deceleration", 1.1,
 985                                      "zoom-on-double-click", FALSE,
 986                                      "max-zoom-level", 17,
 987                                      "min-zoom-level", 1,
 988                                      NULL);
 989         champlain_view_center_on(view, latitude, longitude);
 990         pgd->centre_map_checked = TRUE;
 991         g_object_set_data(G_OBJECT(pgd->widget), "pane_data", pgd);
 992         g_signal_connect(G_OBJECT(pgd->widget), "destroy", G_CALLBACK(bar_pane_gps_destroy), pgd);
 993
 994         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
 995
 996         gtk_widget_set_size_request(pgd->widget, -1, height);
 997
 998         g_signal_connect(G_OBJECT(gpswidget), "button_press_event", G_CALLBACK(bar_pane_gps_map_keypress_cb), pgd);
 999         g_signal_connect(pgd->gps_view, "notify::state", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
1000         g_signal_connect(pgd->gps_view, "notify::zoom-level", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
1001         g_signal_connect(G_OBJECT(slider), "value-changed", G_CALLBACK(bar_pane_gps_slider_changed_cb), pgd);
1002
1003         bar_pane_gps_dnd_init(pgd);
1004
1005         file_data_register_notify_func(bar_pane_gps_notify_cb, pgd, NOTIFY_PRIORITY_LOW);
1006
1007         pgd->create_markers_id = 0;
1008         pgd->enable_markers_checked = TRUE;
1009         pgd->centre_map_checked = TRUE;
1010
1011         return pgd->widget;
1012 }
1013
1014 GtkWidget *bar_pane_gps_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
1015 {
1016         gchar *title = g_strdup(_("GPS Map"));
1017         gchar *map_id = nullptr;
1018         gboolean expanded = TRUE;
1019         gint height = 350;
1020         gint zoom = 7;
1021         gdouble latitude;
1022         gdouble longitude;
1023         /* Latitude and longitude are stored in the config file as an integer of
1024          * (actual value * 1,000,000). There is no READ_DOUBLE utility function.
1025          */
1026         gint int_latitude = 54000000;
1027         gint int_longitude = -4000000;
1028         gchar *id = g_strdup("gps");
1029         GtkWidget *ret;
1030
1031         while (*attribute_names)
1032                 {
1033                 const gchar *option = *attribute_names++;
1034                 const gchar *value = *attribute_values++;
1035
1036                 if (READ_CHAR_FULL("title", title))
1037                         continue;
1038                 if (READ_CHAR_FULL("map-id", map_id))
1039                         continue;
1040                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 20))
1041                         continue;
1042                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
1043                         continue;
1044                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
1045                         continue;
1046                 if (READ_BOOL_FULL("expanded", expanded))
1047                         continue;
1048                 if (READ_INT_FULL("height", height))
1049                         continue;
1050                 if (READ_CHAR_FULL("id", id))
1051                         continue;
1052
1053                 log_printf("unknown attribute %s = %s\n", option, value);
1054                 }
1055
1056         bar_pane_translate_title(PANE_COMMENT, id, &title);
1057         latitude = static_cast<gdouble>(int_latitude) / 1000000;
1058         longitude = static_cast<gdouble>(int_longitude) / 1000000;
1059         ret = bar_pane_gps_new(id, title, map_id, zoom, latitude, longitude, expanded, height);
1060         g_free(title);
1061         g_free(map_id);
1062         g_free(id);
1063         return ret;
1064 }
1065
1066 void bar_pane_gps_update_from_config(GtkWidget *pane, const gchar **attribute_names,
1067                                                                                 const gchar **attribute_values)
1068 {
1069         PaneGPSData *pgd;
1070         gint zoom;
1071         gint int_longitude, int_latitude;
1072         gdouble longitude, latitude;
1073
1074         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
1075         if (!pgd)
1076                 return;
1077
1078         gchar *title = nullptr;
1079
1080         while (*attribute_names)
1081         {
1082                 const gchar *option = *attribute_names++;
1083                 const gchar *value = *attribute_values++;
1084
1085                 if (READ_CHAR_FULL("title", title))
1086                         continue;
1087                 if (READ_CHAR_FULL("map-id", pgd->map_source))
1088                         continue;
1089                 if (READ_BOOL_FULL("expanded", pgd->pane.expanded))
1090                         continue;
1091                 if (READ_INT_FULL("height", pgd->height))
1092                         continue;
1093                 if (READ_CHAR_FULL("id", pgd->pane.id))
1094                         continue;
1095                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
1096                         {
1097                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", zoom, NULL);
1098                         continue;
1099                         }
1100                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
1101                         {
1102                         longitude = int_longitude / 1000000;
1103                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "longitude", longitude, NULL);
1104                         continue;
1105                         }
1106                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
1107                         {
1108                         latitude = int_latitude / 1000000;
1109                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "latitude", latitude, NULL);
1110                         continue;
1111                         }
1112                 log_printf("unknown attribute %s = %s\n", option, value);
1113         }
1114
1115         if (title)
1116                 {
1117                 bar_pane_translate_title(PANE_COMMENT, pgd->pane.id, &title);
1118                 gtk_label_set_text(GTK_LABEL(pgd->pane.title), title);
1119                 g_free(title);
1120                 }
1121
1122         gtk_widget_set_size_request(pgd->widget, -1, pgd->height);
1123         bar_update_expander(pane);
1124 }
1125
1126 #endif
1127 #endif
1128
1129 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */