src/bar_gps.c

   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 typedef struct _PaneGPSData PaneGPSData;
  58 struct _PaneGPSData
  59 {
  60         PaneData pane;
  61         GtkWidget *widget;
  62         gchar *map_source;
  63         gint height;
  64         FileData *fd;
  65         ClutterActor *gps_view;
  66         ChamplainMarkerLayer *icon_layer;
  67         GList *selection_list;
  68         GList *not_added;
  69         ChamplainBoundingBox *bbox;
  70         guint num_added;
  71         guint create_markers_id;
  72         GtkWidget *progress;
  73         GtkWidget *slider;
  74         GtkWidget *state;
  75         gint selection_count;
  76         gboolean centre_map_checked;
  77         gboolean enable_markers_checked;
  78         gdouble dest_latitude;
  79         gdouble dest_longitude;
  80         GList *geocode_list;
  81 };
  82
  83 /*
  84  *-------------------------------------------------------------------
  85  * drag-and-drop
  86  *-------------------------------------------------------------------
  87  */
  88 enum {
  89         TARGET_APP_COLLECTION_MEMBER,
  90         TARGET_APP_EXIF_ENTRY,
  91         TARGET_APP_KEYWORD_PATH,
  92         TARGET_URI_LIST,
  93         TARGET_TEXT_PLAIN
  94 };
  95
  96 static GtkTargetEntry bar_pane_gps_drop_types[] = {
  97         { "text/uri-list", 0, TARGET_URI_LIST },
  98         { "text/plain", 0, TARGET_TEXT_PLAIN }
  99 };
 100 static gint n_gps_entry_drop_types = 2;
 101
 102 static void bar_pane_gps_close_cancel_cb(GenericDialog *gd, gpointer data)
 103 {
 104         PaneGPSData *pgd = data;
 105
 106         g_list_free(pgd->geocode_list);
 107 }
 108
 109 static void bar_pane_gps_close_save_cb(GenericDialog *gd, gpointer data)
 110 {
 111         PaneGPSData *pgd = data;
 112         FileData *fd;
 113         GList *work;
 114
 115         work = g_list_first(pgd->geocode_list);
 116         while (work)
 117                 {
 118                 fd = work->data;
 119                 if (fd->name && !fd->parent)
 120                         {
 121                         work = work->next;
 122                         metadata_write_GPS_coord(fd, "Xmp.exif.GPSLatitude", pgd->dest_latitude);
 123                         metadata_write_GPS_coord(fd, "Xmp.exif.GPSLongitude", pgd->dest_longitude);
 124                         }
 125                 }
 126         g_list_free(work);
 127         g_list_free(pgd->geocode_list);
 128 }
 129
 130  static void bar_pane_gps_dnd_receive(GtkWidget *pane, GdkDragContext *context,
 131                                                                           gint x, gint y,
 132                                                                           GtkSelectionData *selection_data, guint info,
 133                                                                           guint time, gpointer data)
 134 {
 135         PaneGPSData *pgd;
 136         GenericDialog *gd;
 137         FileData *fd, *fd_found;
 138         GList *work, *list;
 139         gint count, geocoded_count;
 140         gdouble latitude, longitude;
 141         GString *message;
 142         gchar *location;
 143         gchar **latlong;
 144
 145         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 146         if (!pgd) return;
 147
 148         if (info == TARGET_URI_LIST)
 149                 {
 150                 pgd->dest_longitude = champlain_view_x_to_longitude(CHAMPLAIN_VIEW(pgd->gps_view), x);
 151                 pgd->dest_latitude = champlain_view_y_to_latitude(CHAMPLAIN_VIEW(pgd->gps_view), y);
 152
 153                 count = 0;
 154                 geocoded_count = 0;
 155                 pgd->geocode_list = NULL;
 156
 157                 list = uri_filelist_from_gtk_selection_data(selection_data);
 158
 159                 if (list)
 160                         {
 161                         work = list;
 162                         while (work)
 163                                 {
 164                                 fd = work->data;
 165                                 work = work->next;
 166                                 if (fd->name && !fd->parent)
 167                                         {
 168                                         count++;
 169                                         pgd->geocode_list = g_list_append(pgd->geocode_list, fd);
 170                                         latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 1000);
 171                                         longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 1000);
 172                                         if (latitude != 1000 && longitude != 1000)
 173                                                 {
 174                                                 geocoded_count++;
 175                                                 }
 176                                         }
 177                                 }
 178                         g_list_free(work);
 179
 180                         if(count)
 181                                 {
 182                                 message = g_string_new("");
 183                                 if (count == 1)
 184                                         {
 185                                         fd_found = g_list_first(pgd->geocode_list)->data;
 186                                         g_string_append_printf(message,
 187                                                         _("\nDo you want to geocode image %s?"), fd_found->name);
 188                                         }
 189                                 else
 190                                         {
 191                                         g_string_append_printf(message,
 192                                                         _("\nDo you want to geocode %i images?"), count);
 193                                         }
 194                                 if (geocoded_count == 1 && count == 1)
 195                                         {
 196                                         g_string_append_printf(message,
 197                                                         _("\nThis image is already geocoded!"));
 198                                         }
 199                                 else if (geocoded_count == 1 && count > 1)
 200                                         {
 201                                         g_string_append_printf(message,
 202                                                         _("\nOne image is already geocoded!"));
 203                                         }
 204                                 else if (geocoded_count > 1 && count > 1)
 205                                         {
 206                                         g_string_append_printf(message,
 207                                                         _("\n%i Images are already geocoded!"), geocoded_count);
 208                                         }
 209
 210                                 location = g_strdup_printf("%lf %lf", pgd->dest_latitude,
 211                                                                                                                 pgd->dest_longitude);
 212                                 g_string_append_printf(message, _("\n\nPosition: %s \n"), location);
 213
 214                                 gd = generic_dialog_new(_("Geocode images"),
 215                                                         "geocode_images", NULL, TRUE,
 216                                                         bar_pane_gps_close_cancel_cb, pgd);
 217                                 generic_dialog_add_message(gd, GTK_STOCK_DIALOG_QUESTION,
 218                                                         _("Write lat/long to meta-data?"),
 219                                                         message->str, TRUE);
 220
 221                                 generic_dialog_add_button(gd, GTK_STOCK_SAVE, NULL,
 222                                                                                                 bar_pane_gps_close_save_cb, TRUE);
 223
 224                                 gtk_widget_show(gd->dialog);
 225                                 g_free(location);
 226                                 g_string_free(message, TRUE);
 227                                 }
 228                         }
 229                 }
 230
 231         if (info == TARGET_TEXT_PLAIN)
 232                 {
 233                 location = decode_geo_parameters((gchar *)gtk_selection_data_get_data(selection_data));
 234                 if (!(g_strstr_len(location,-1,"Error")))
 235                         {
 236                         latlong = g_strsplit(location, " ", 2);
 237                         champlain_view_center_on(CHAMPLAIN_VIEW(pgd->gps_view),
 238                                                         g_ascii_strtod(latlong[0],NULL),
 239                                                         g_ascii_strtod(latlong[1],NULL));
 240                         g_strfreev(latlong);
 241                         }
 242                 g_free(location);
 243                 }
 244
 245         return;
 246 }
 247
 248 static void bar_pane_gps_dnd_init(gpointer data)
 249 {
 250         PaneGPSData *pgd = data;
 251
 252         gtk_drag_dest_set(pgd->widget,
 253                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP,
 254                           bar_pane_gps_drop_types, n_gps_entry_drop_types,
 255                           GDK_ACTION_COPY | GDK_ACTION_MOVE);
 256         g_signal_connect(G_OBJECT(pgd->widget), "drag_data_received",
 257                          G_CALLBACK(bar_pane_gps_dnd_receive), NULL);
 258
 259 }
 260
 261 static gboolean bar_gps_draw_direction (ClutterCanvas *canvas,
 262                                 cairo_t *cr, gpointer data)
 263 {
 264         cairo_set_source_rgb(cr, 255, 0, 0);
 265
 266         cairo_set_line_width(cr, 2);
 267         cairo_move_to(cr, 0, 1);
 268         cairo_line_to(cr, DIRECTION_SIZE, 1);
 269
 270         cairo_stroke(cr);
 271
 272         return TRUE;
 273 }
 274
 275 static void bar_pane_gps_thumb_done_cb(ThumbLoader *tl, gpointer data)
 276 {
 277         FileData *fd;
 278         ClutterActor *marker;
 279         ClutterActor *actor;
 280
 281         marker = CLUTTER_ACTOR(data);
 282         fd = g_object_get_data(G_OBJECT(marker), "file_fd");
 283         if (fd->thumb_pixbuf != NULL)
 284                 {
 285                 actor = gtk_clutter_texture_new();
 286                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, NULL);
 287                 champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
 288                 }
 289         thumb_loader_free(tl);
 290 }
 291
 292 static void bar_pane_gps_thumb_error_cb(ThumbLoader *tl, gpointer data)
 293 {
 294         thumb_loader_free(tl);
 295 }
 296
 297 static gboolean bar_pane_gps_marker_keypress_cb(GtkWidget *widget, ClutterButtonEvent *bevent, gpointer data)
 298 {
 299         //PaneGPSData *pgd = data;
 300         FileData *fd;
 301         ClutterActor *label_marker, *parent_marker;
 302         ClutterColor marker_colour = { MARKER_COLOUR };
 303         ClutterColor text_colour = { TEXT_COLOUR };
 304         ClutterColor thumb_colour = { THUMB_COLOUR };
 305         gchar *current_text;
 306         ClutterActor *actor, *direction;
 307         ClutterActor *current_image;
 308         GString *text;
 309         gint height, width, rotate;
 310         gchar *altitude = NULL;
 311         ThumbLoader *tl;
 312
 313         if (bevent->button == MOUSE_BUTTON_LEFT)
 314                 {
 315                 label_marker = CLUTTER_ACTOR(widget);
 316                 fd = g_object_get_data(G_OBJECT(label_marker), "file_fd");
 317
 318                 /* If the marker is showing a thumbnail, delete it
 319                  */
 320                 current_image = champlain_label_get_image(CHAMPLAIN_LABEL(label_marker));
 321                 if (current_image != NULL)
 322                         {
 323                         clutter_actor_destroy(CLUTTER_ACTOR(current_image));
 324                         champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), NULL);
 325                         }
 326
 327                 current_text = g_strdup(champlain_label_get_text(CHAMPLAIN_LABEL(label_marker)));
 328
 329                 /* If the marker is showing only the text character, replace it with a
 330                  * thumbnail and date and altitude
 331                  */
 332                 if (g_strcmp0(current_text, "i") == 0)
 333                         {
 334                         /* If a thumbail has already been generated, use that. If not try the pixbuf of the full image.
 335                          * If not, call the thumb_loader to generate a thumbnail and update the marker later in the
 336                          * thumb_loader callback
 337                          */
 338                          if (fd->thumb_pixbuf != NULL)
 339                                 {
 340                                 actor = gtk_clutter_texture_new();
 341                                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, NULL);
 342                                 champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), actor);
 343                                 }
 344                         else if (fd->pixbuf != NULL)
 345                                 {
 346                                 actor = gtk_clutter_texture_new();
 347                                 width = gdk_pixbuf_get_width (fd->pixbuf);
 348                                 height = gdk_pixbuf_get_height (fd->pixbuf);
 349                                 switch (fd->exif_orientation)
 350                                         {
 351                                         case 8:
 352                                                 rotate = GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE;
 353                                                 break;
 354                                         case 3:
 355                                                 rotate = GDK_PIXBUF_ROTATE_UPSIDEDOWN;
 356                                                 break;
 357                                         case 6:
 358                                                 rotate = GDK_PIXBUF_ROTATE_CLOCKWISE;
 359                                                 break;
 360                                         default:
 361                                                 rotate = GDK_PIXBUF_ROTATE_NONE;
 362                                         }
 363
 364                                         gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor),
 365                                                                                 gdk_pixbuf_rotate_simple(gdk_pixbuf_scale_simple(fd->pixbuf, THUMB_SIZE, height * THUMB_SIZE / width,
 366                                                                                 GDK_INTERP_NEAREST), rotate), NULL);
 367                                         champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), actor);
 368                                 }
 369                         else
 370                                 {
 371                                 tl = thumb_loader_new(THUMB_SIZE, THUMB_SIZE);
 372                                 thumb_loader_set_callbacks(tl,
 373                                                                                         bar_pane_gps_thumb_done_cb,
 374                                                                                         bar_pane_gps_thumb_error_cb,
 375                                                                                         NULL,
 376                                                                                         label_marker);
 377                                 thumb_loader_start(tl, fd);
 378                                 }
 379
 380                         text = g_string_new(fd->name);
 381                         g_string_append(text, "\n");
 382                         g_string_append(text, text_from_time(fd->date));
 383                         g_string_append(text, "\n");
 384                         altitude = metadata_read_string(fd, "formatted.GPSAltitude", METADATA_FORMATTED);
 385                         if (altitude != NULL)
 386                                 {
 387                                 g_string_append(text, altitude);
 388                                 }
 389
 390                         champlain_label_set_text(CHAMPLAIN_LABEL(label_marker), text->str);
 391                         champlain_label_set_font_name(CHAMPLAIN_LABEL(label_marker), "sans 8");
 392                         champlain_marker_set_selection_color(&thumb_colour);
 393                         champlain_marker_set_selection_text_color(&text_colour);
 394
 395                         g_free(altitude);
 396                         g_string_free(text, TRUE);
 397
 398                         parent_marker = clutter_actor_get_parent(label_marker);
 399                         if (clutter_actor_get_n_children(parent_marker ) > 1 )
 400                                 {
 401                                 direction = clutter_actor_get_child_at_index(parent_marker, 0);
 402                                 clutter_actor_set_opacity(direction, 255);
 403                                 }
 404                         }
 405                 /* otherwise, revert to the hidden text marker
 406                  */
 407                 else
 408                         {
 409                         champlain_label_set_text(CHAMPLAIN_LABEL(label_marker), "i");
 410                         champlain_label_set_font_name(CHAMPLAIN_LABEL(label_marker), "courier 5");
 411                         champlain_marker_set_selection_color(&marker_colour);
 412                         champlain_marker_set_selection_text_color(&marker_colour);
 413
 414                         parent_marker = clutter_actor_get_parent(label_marker);
 415                         if (clutter_actor_get_n_children(parent_marker ) > 1 )
 416                                 {
 417                                 direction = clutter_actor_get_child_at_index(parent_marker, 0);
 418                                 clutter_actor_set_opacity(direction, 0);
 419                                 }
 420                         }
 421
 422                 g_free(current_text);
 423
 424                 return TRUE;
 425                 }
 426         return TRUE;
 427 }
 428
 429 static gboolean bar_pane_gps_create_markers_cb(gpointer data)
 430 {
 431         PaneGPSData *pgd = data;
 432         gdouble latitude;
 433         gdouble longitude;
 434         gdouble compass;
 435         FileData *fd;
 436         ClutterActor *parent_marker, *label_marker;
 437         ClutterActor *direction;
 438         ClutterColor marker_colour = { MARKER_COLOUR };
 439         ClutterColor thumb_colour = { THUMB_COLOUR };
 440         GString *message;
 441         ClutterContent *canvas;
 442
 443         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress),
 444                                                         (gdouble)(pgd->selection_count - g_list_length(pgd->not_added)) /
 445                                                         (gdouble)pgd->selection_count);
 446
 447         message = g_string_new("");
 448         g_string_printf(message, "%i/%i", (pgd->selection_count - g_list_length(pgd->not_added)),
 449                                                                                                                                                         pgd->selection_count);
 450         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), message->str);
 451         g_string_free(message, TRUE);
 452
 453         if(pgd->not_added)
 454                 {
 455                 fd = pgd->not_added->data;
 456                 pgd->not_added = pgd->not_added->next;
 457
 458                 latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 0);
 459                 longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 0);
 460                 compass = metadata_read_GPS_direction(fd, "Xmp.exif.GPSImgDirection", 1000);
 461
 462                 if (!(latitude == 0 && longitude == 0))
 463                         {
 464                         pgd->num_added++;
 465
 466                         parent_marker = champlain_marker_new();
 467                         clutter_actor_set_reactive(parent_marker, FALSE);
 468                         label_marker = champlain_label_new_with_text("i","courier 5", &marker_colour, &marker_colour);
 469                         clutter_actor_set_reactive(label_marker, TRUE);
 470                         champlain_marker_set_selection_color(&thumb_colour);
 471
 472                         if (compass != 1000)
 473                                 {
 474                                 canvas = clutter_canvas_new();
 475                                 clutter_canvas_set_size(CLUTTER_CANVAS (canvas), DIRECTION_SIZE, 3);
 476                                 g_signal_connect(canvas, "draw", G_CALLBACK(bar_gps_draw_direction), NULL);
 477                                 direction = clutter_actor_new();
 478                                 clutter_actor_set_size(direction, DIRECTION_SIZE, 3);
 479                                 clutter_actor_set_position(direction, 0, 0);
 480                                 clutter_actor_set_rotation_angle(direction, CLUTTER_Z_AXIS, compass -90.00);
 481                                 clutter_actor_set_content(direction, canvas);
 482                                 clutter_content_invalidate(canvas);
 483                                 g_object_unref(canvas);
 484
 485                                 clutter_actor_add_child(parent_marker, direction);
 486                                 clutter_actor_set_opacity(direction, 0);
 487                                 }
 488
 489                         clutter_actor_add_child(parent_marker, label_marker);
 490
 491                         champlain_location_set_location(CHAMPLAIN_LOCATION(parent_marker), latitude, longitude);
 492                         champlain_marker_layer_add_marker(pgd->icon_layer, CHAMPLAIN_MARKER(parent_marker));
 493
 494                         g_signal_connect(G_OBJECT(label_marker), "button_release_event",
 495                                         G_CALLBACK(bar_pane_gps_marker_keypress_cb), pgd);
 496
 497                         g_object_set_data(G_OBJECT(label_marker), "file_fd", fd);
 498
 499                         champlain_bounding_box_extend(pgd->bbox, latitude, longitude);
 500
 501                         }
 502                 return TRUE;
 503                 }
 504
 505         if (pgd->centre_map_checked)
 506                 {
 507                 if (pgd->num_added == 1)
 508                         {
 509                         champlain_bounding_box_get_center(pgd->bbox, &latitude, &longitude);
 510                         champlain_view_go_to(CHAMPLAIN_VIEW(pgd->gps_view), latitude, longitude);
 511                         }
 512                  else if (pgd->num_added > 1)
 513                         {
 514                         champlain_view_ensure_visible(CHAMPLAIN_VIEW(pgd->gps_view), pgd->bbox, TRUE);
 515                         }
 516                 }
 517         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress), 0);
 518         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), NULL);
 519         pgd->create_markers_id = 0;
 520
 521         return FALSE;
 522 }
 523
 524 static void bar_pane_gps_update(PaneGPSData *pgd)
 525 {
 526         GList *list;
 527
 528         /* If a create-marker background process is running, kill it
 529          * and start again
 530          */
 531         if (pgd->create_markers_id != 0)
 532                 {
 533                 if (g_idle_remove_by_data(pgd))
 534                         {
 535                         pgd->create_markers_id = 0;
 536                         }
 537                 else
 538                         {
 539                         return;
 540                         }
 541                 }
 542
 543         /* Delete any markers currently displayed
 544          */
 545
 546         champlain_marker_layer_remove_all(pgd->icon_layer);
 547
 548         if (!pgd->enable_markers_checked)
 549                 {
 550                 return;
 551                 }
 552
 553         /* For each selected photo that has GPS data, create a marker containing
 554          * a single, small text character the same colour as the marker background.
 555          * Use a background process in case the user selects a large number of files.
 556          */
 557         filelist_free(pgd->selection_list);
 558         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 559
 560         list = layout_selection_list(pgd->pane.lw);
 561         list = file_data_process_groups_in_selection(list, FALSE, NULL);
 562
 563         pgd->selection_list = list;
 564         pgd->not_added = list;
 565
 566         pgd->bbox = champlain_bounding_box_new();
 567         pgd->selection_count = g_list_length(pgd->selection_list);
 568         pgd->create_markers_id = g_idle_add(bar_pane_gps_create_markers_cb, pgd);
 569         pgd->num_added = 0;
 570 }
 571
 572 void bar_pane_gps_set_map_source(PaneGPSData *pgd, const gchar *map_id)
 573 {
 574         ChamplainMapSource *map_source;
 575         ChamplainMapSourceFactory *map_factory;
 576
 577         map_factory = champlain_map_source_factory_dup_default();
 578         map_source = champlain_map_source_factory_create(map_factory, map_id);
 579
 580         if (map_source != NULL)
 581                 {
 582                 g_object_set(G_OBJECT(pgd->gps_view), "map-source", map_source, NULL);
 583                 }
 584
 585         g_object_unref(map_factory);
 586 }
 587
 588 void bar_pane_gps_enable_markers_checked_toggle_cb(GtkWidget *menu_widget, gpointer data)
 589 {
 590         PaneGPSData *pgd = data;
 591
 592         if (pgd->enable_markers_checked)
 593                 {
 594                 pgd->enable_markers_checked = FALSE;
 595                 }
 596         else
 597                 {
 598                 pgd->enable_markers_checked = TRUE;
 599                 }
 600 }
 601
 602 static void bar_pane_gps_centre_map_checked_toggle_cb(GtkWidget *menu_widget, gpointer data)
 603 {
 604         PaneGPSData *pgd = data;
 605
 606         if (pgd->centre_map_checked)
 607                 {
 608                 pgd->centre_map_checked = FALSE;
 609                 }
 610         else
 611                 {
 612                 pgd->centre_map_checked = TRUE;
 613                 }
 614 }
 615
 616 static void bar_pane_gps_change_map_cb(GtkWidget *widget, gpointer data)
 617 {
 618         PaneGPSData *pgd = data;
 619         gchar *mapsource;
 620
 621         if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget)))
 622                 return;
 623
 624         if (!pgd) return;
 625
 626         mapsource = g_object_get_data(G_OBJECT(widget), "menu_item_radio_data");
 627         bar_pane_gps_set_map_source(pgd, mapsource);
 628 }
 629
 630 static void bar_pane_gps_notify_selection(GtkWidget *bar, gint count)
 631 {
 632         PaneGPSData *pgd;
 633
 634         if (count == 0) return;
 635
 636         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 637         if (!pgd) return;
 638
 639         bar_pane_gps_update(pgd);
 640 }
 641
 642 static void bar_pane_gps_set_fd(GtkWidget *bar, FileData *fd)
 643 {
 644         PaneGPSData *pgd;
 645
 646         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 647         if (!pgd) return;
 648
 649         file_data_unref(pgd->fd);
 650         pgd->fd = file_data_ref(fd);
 651
 652         bar_pane_gps_update(pgd);
 653 }
 654
 655 static gint bar_pane_gps_event(GtkWidget *bar, GdkEvent *event)
 656 {
 657         PaneGPSData *pgd;
 658
 659         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 660         if (!pgd) return FALSE;
 661
 662         if (gtk_widget_has_focus(pgd->widget)) return gtk_widget_event(GTK_WIDGET(pgd->widget), event);
 663
 664         return FALSE;
 665 }
 666
 667 static void bar_pane_gps_write_config(GtkWidget *pane, GString *outstr, gint indent)
 668 {
 669         PaneGPSData *pgd;
 670         gint zoom;
 671         ChamplainMapSource *mapsource;
 672         const gchar *map_id;
 673         gchar *str = NULL;
 674         GString *buffer = g_string_new(str);
 675         gdouble position;
 676         gint int_position;
 677         gint w, h;
 678
 679         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 680         if (!pgd) return;
 681
 682         WRITE_NL();
 683         WRITE_STRING("<pane_gps ");
 684         write_char_option(outstr, indent, "id", pgd->pane.id);
 685         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(pgd->pane.title)));
 686         WRITE_BOOL(pgd->pane, expanded);
 687
 688         gtk_widget_get_size_request(GTK_WIDGET(pane), &w, &h);
 689         pgd->height = h;
 690
 691         WRITE_INT(*pgd, height);
 692         indent++;
 693
 694         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 695         map_id = champlain_map_source_get_id(mapsource);
 696         WRITE_NL();
 697         write_char_option(outstr, indent, "map-id", map_id);
 698
 699         g_object_get(G_OBJECT(pgd->gps_view), "zoom-level", &zoom, NULL);
 700         g_string_printf(buffer, "%d", zoom);
 701         WRITE_NL();
 702         write_char_option(outstr, indent, "zoom-level", buffer->str);
 703
 704         g_object_get(G_OBJECT(pgd->gps_view), "latitude", &position, NULL);
 705         int_position = position * 1000000;
 706         g_string_printf(buffer, "%i", int_position);
 707         WRITE_NL();
 708         write_char_option(outstr, indent, "latitude", buffer->str);
 709
 710         g_object_get(G_OBJECT(pgd->gps_view), "longitude", &position, NULL);
 711         int_position = position * 1000000;
 712         g_string_printf(buffer, "%i", int_position);
 713         WRITE_NL();
 714         write_char_option(outstr, indent, "longitude", buffer->str);
 715
 716         indent--;
 717         WRITE_NL();
 718         WRITE_STRING("/>");
 719
 720   g_object_unref(mapsource);
 721
 722 }
 723
 724 static void bar_pane_gps_slider_changed_cb(GtkScaleButton *slider,
 725                                            gdouble zoom,
 726                                            gpointer data)
 727 {
 728         PaneGPSData *pgd = data;
 729         GString *message;
 730
 731         message = g_string_new("");
 732         g_string_printf(message, _("Zoom %i"), (gint)zoom);
 733
 734         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", (gint)zoom, NULL);
 735         gtk_widget_set_tooltip_text(GTK_WIDGET(slider), message->str);
 736         g_string_free(message, TRUE);
 737
 738 }
 739 static void bar_pane_gps_view_state_changed_cb(ChamplainView *view,
 740                                                GParamSpec *gobject,
 741                                                gpointer data)
 742 {
 743         PaneGPSData *pgd = data;
 744         ChamplainState status;
 745         gint zoom;
 746         GString *message;
 747
 748         g_object_get(G_OBJECT(view), "zoom-level", &zoom, NULL);
 749         message = g_string_new("");
 750         g_string_printf(message, _("Zoom level %i"), zoom);
 751
 752         g_object_get(G_OBJECT(view), "state", &status, NULL);
 753         if (status == CHAMPLAIN_STATE_LOADING)
 754                 {
 755                 gtk_label_set_text(GTK_LABEL(pgd->state), _("Loading map"));
 756                 }
 757         else
 758                 {
 759                 gtk_label_set_text(GTK_LABEL(pgd->state), message->str);
 760                 }
 761
 762         gtk_widget_set_tooltip_text(GTK_WIDGET(pgd->slider), message->str);
 763         gtk_scale_button_set_value(GTK_SCALE_BUTTON(pgd->slider), (gdouble)zoom);
 764
 765         g_string_free(message, TRUE);
 766 }
 767
 768 static void bar_pane_gps_notify_cb(FileData *fd, NotifyType type, gpointer data)
 769 {
 770         PaneGPSData *pgd = data;
 771
 772         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) &&
 773             g_list_find(pgd->selection_list, fd))
 774                 {
 775                 bar_pane_gps_update(pgd);
 776                 }
 777 }
 778
 779 const gchar *bar_pane_gps_get_map_id(PaneGPSData *pgd)
 780 {
 781         const gchar *map_id;
 782         ChamplainMapSource *mapsource;
 783
 784         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 785         map_id = champlain_map_source_get_id(mapsource);
 786
 787         g_object_unref(mapsource);
 788
 789         return map_id;
 790 }
 791
 792 static GtkWidget *bar_pane_gps_menu(PaneGPSData *pgd)
 793 {
 794         GtkWidget *menu;
 795         GtkWidget *map_centre;
 796         ChamplainMapSourceFactory *map_factory;
 797         GSList *map_list;
 798         ChamplainMapSourceDesc *map_desc;
 799         const gchar *current;
 800
 801         menu = popup_menu_short_lived();
 802
 803         map_factory = champlain_map_source_factory_dup_default();
 804         map_list = champlain_map_source_factory_get_registered(map_factory);
 805         current = bar_pane_gps_get_map_id(pgd);
 806
 807         while (map_list)
 808                 {
 809                 map_desc = (ChamplainMapSourceDesc *)(map_list->data);
 810
 811                 menu_item_add_radio(menu,
 812                                     champlain_map_source_desc_get_name(map_desc),
 813                                     (gpointer)champlain_map_source_desc_get_id(map_desc),
 814                                     strcmp(champlain_map_source_desc_get_id(map_desc), current) == 0,
 815                                     G_CALLBACK(bar_pane_gps_change_map_cb), pgd);
 816
 817                 map_list = g_slist_next(map_list);
 818                 }
 819
 820         menu_item_add_divider(menu);
 821         menu_item_add_check(menu, _("Enable markers"), pgd->enable_markers_checked,
 822                             G_CALLBACK(bar_pane_gps_enable_markers_checked_toggle_cb), pgd);
 823         map_centre = menu_item_add_check(menu, _("Centre map on marker"), pgd->centre_map_checked,
 824                                          G_CALLBACK(bar_pane_gps_centre_map_checked_toggle_cb), pgd);
 825         if (!pgd->enable_markers_checked)
 826                 {
 827                 gtk_widget_set_sensitive(map_centre, FALSE);
 828                 }
 829
 830         g_slist_free(map_list);
 831         g_object_unref(map_factory);
 832
 833         return menu;
 834 }
 835
 836 /* Determine if the map is to be re-centred on the marker when another photo is selected
 837  */
 838 void bar_pane_gps_map_centreing(PaneGPSData *pgd)
 839 {
 840         GenericDialog *gd;
 841         GString *message = g_string_new("");
 842
 843         if (pgd->centre_map_checked)
 844                 {
 845                 message = g_string_append(message, _("Move map centre to marker\n is disabled"));
 846                 pgd->centre_map_checked = FALSE;
 847                 }
 848         else
 849                 {
 850                 message = g_string_append(message, _("Move map centre to marker\n is enabled"));
 851                 pgd->centre_map_checked = TRUE;
 852                 }
 853
 854         gd = generic_dialog_new(_("Map centering"),
 855                                 "map_centering", NULL, TRUE, NULL, pgd);
 856         generic_dialog_add_message(gd, GTK_STOCK_DIALOG_INFO,
 857                                 "Map Centering", message->str, TRUE);
 858         generic_dialog_add_button(gd, GTK_STOCK_OK, NULL, NULL, TRUE);
 859
 860         gtk_widget_show(gd->dialog);
 861
 862         g_string_free(message, TRUE);
 863 }
 864
 865 static gboolean bar_pane_gps_map_keypress_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 866 {
 867         PaneGPSData *pgd = data;
 868         GtkWidget *menu;
 869         GtkClipboard *clipboard;
 870         gchar *geo_coords;
 871
 872         if (bevent->button == MOUSE_BUTTON_RIGHT)
 873                 {
 874                 menu = bar_pane_gps_menu(pgd);
 875                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, bevent->button, bevent->time);
 876                 return TRUE;
 877                 }
 878         else if (bevent->button == MOUSE_BUTTON_MIDDLE)
 879                 {
 880                 bar_pane_gps_map_centreing(pgd);
 881                 return TRUE;
 882                 }
 883         else if (bevent->button == MOUSE_BUTTON_LEFT)
 884                 {
 885                 clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 886                 geo_coords = g_strdup_printf("%lf %lf",
 887                                                         champlain_view_y_to_latitude(
 888                                                                 CHAMPLAIN_VIEW(pgd->gps_view),bevent->y),
 889                                                         champlain_view_x_to_longitude(
 890                                                                 CHAMPLAIN_VIEW(pgd->gps_view),bevent->x));
 891                 gtk_clipboard_set_text(clipboard, geo_coords, -1);
 892
 893                 g_free(geo_coords);
 894
 895                 return TRUE;
 896                 }
 897         else
 898                 {
 899                 return FALSE;
 900                 }
 901 }
 902
 903 static void bar_pane_gps_destroy(GtkWidget *widget, gpointer data)
 904 {
 905         PaneGPSData *pgd = data;
 906
 907         file_data_unregister_notify_func(bar_pane_gps_notify_cb, pgd);
 908
 909         g_idle_remove_by_data(pgd);
 910
 911         filelist_free(pgd->selection_list);
 912         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 913
 914         file_data_unref(pgd->fd);
 915         g_free(pgd->map_source);
 916         g_free(pgd->pane.id);
 917         clutter_actor_destroy(pgd->gps_view);
 918         g_free(pgd);
 919 }
 920
 921
 922 GtkWidget *bar_pane_gps_new(const gchar *id, const gchar *title, const gchar *map_id,
 923                                                 const gint zoom, const gdouble latitude, const gdouble longitude,
 924                                         gboolean expanded, gint height)
 925 {
 926         PaneGPSData *pgd;
 927         GtkWidget *vbox, *frame;
 928         GtkWidget *gpswidget;
 929         GtkWidget *status, *state, *progress, *slider;
 930         ChamplainMarkerLayer *layer;
 931         ChamplainView *view;
 932         const gchar *slider_list[] = {"zoom-in", "zoom-out", NULL};
 933         const gchar **slider_icons = slider_list;
 934
 935         pgd = g_new0(PaneGPSData, 1);
 936
 937         pgd->pane.pane_set_fd = bar_pane_gps_set_fd;
 938         pgd->pane.pane_notify_selection = bar_pane_gps_notify_selection;
 939         pgd->pane.pane_event = bar_pane_gps_event;
 940         pgd->pane.pane_write_config = bar_pane_gps_write_config;
 941         pgd->pane.title = bar_pane_expander_title(title);
 942         pgd->pane.id = g_strdup(id);
 943         pgd->pane.type = PANE_GPS;
 944         pgd->pane.expanded = expanded;
 945         pgd->height = height;
 946
 947         frame = gtk_frame_new(NULL);
 948         DEBUG_NAME(frame);
 949         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 950
 951         gpswidget = gtk_champlain_embed_new();
 952         view = gtk_champlain_embed_get_view(GTK_CHAMPLAIN_EMBED(gpswidget));
 953
 954         gtk_box_pack_start(GTK_BOX(vbox), gpswidget, TRUE, TRUE, 0);
 955         gtk_container_add(GTK_CONTAINER(frame), vbox);
 956
 957         status = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,0);
 958         slider = gtk_scale_button_new(GTK_ICON_SIZE_SMALL_TOOLBAR, 1, 17, 1, slider_icons);
 959         gtk_widget_set_tooltip_text(slider, _("Zoom"));
 960         gtk_scale_button_set_value(GTK_SCALE_BUTTON(slider), (gdouble)zoom);
 961
 962         progress = gtk_progress_bar_new();
 963 #if GTK_CHECK_VERSION(3,0,0)
 964         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "");
 965         gtk_progress_bar_set_show_text(GTK_PROGRESS_BAR(progress), TRUE);
 966 #endif
 967         state = gtk_label_new("");
 968         gtk_label_set_justify(GTK_LABEL(state), GTK_JUSTIFY_LEFT);
 969         gtk_label_set_ellipsize(GTK_LABEL(state), PANGO_ELLIPSIZE_START);
 970         gtk_widget_set_tooltip_text(state, _("Zoom level"));
 971
 972         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(slider), FALSE, FALSE, 0);
 973         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(state), FALSE, FALSE, 5);
 974         gtk_box_pack_end(GTK_BOX(status), GTK_WIDGET(progress), FALSE, FALSE, 0);
 975         gtk_box_pack_end(GTK_BOX(vbox),GTK_WIDGET(status), FALSE, FALSE, 0);
 976
 977         layer = champlain_marker_layer_new();
 978         champlain_view_add_layer(view, CHAMPLAIN_LAYER(layer));
 979
 980         pgd->icon_layer = layer;
 981         pgd->gps_view = CLUTTER_ACTOR(view);
 982         pgd->widget = frame;
 983         pgd->progress = progress;
 984         pgd->slider = slider;
 985         pgd->state = state;
 986
 987         bar_pane_gps_set_map_source(pgd, map_id);
 988
 989         g_object_set(G_OBJECT(view), "kinetic-mode", TRUE,
 990                                      "zoom-level", zoom,
 991                                      "keep-center-on-resize", TRUE,
 992                                      "deceleration", 1.1,
 993                                      "zoom-on-double-click", FALSE,
 994                                      "max-zoom-level", 17,
 995                                      "min-zoom-level", 1,
 996                                      NULL);
 997         champlain_view_center_on(view, latitude, longitude);
 998         pgd->centre_map_checked = TRUE;
 999         g_object_set_data(G_OBJECT(pgd->widget), "pane_data", pgd);
1000         g_signal_connect(G_OBJECT(pgd->widget), "destroy", G_CALLBACK(bar_pane_gps_destroy), pgd);
1001
1002         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1003
1004         gtk_widget_set_size_request(pgd->widget, -1, height);
1005
1006         g_signal_connect(G_OBJECT(gpswidget), "button_press_event", G_CALLBACK(bar_pane_gps_map_keypress_cb), pgd);
1007         g_signal_connect(pgd->gps_view, "notify::state", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
1008         g_signal_connect(pgd->gps_view, "notify::zoom-level", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
1009         g_signal_connect(G_OBJECT(slider), "value-changed", G_CALLBACK(bar_pane_gps_slider_changed_cb), pgd);
1010
1011         bar_pane_gps_dnd_init(pgd);
1012
1013         file_data_register_notify_func(bar_pane_gps_notify_cb, pgd, NOTIFY_PRIORITY_LOW);
1014
1015         pgd->create_markers_id = 0;
1016         pgd->enable_markers_checked = TRUE;
1017         pgd->centre_map_checked = TRUE;
1018
1019         return pgd->widget;
1020 }
1021
1022 GtkWidget *bar_pane_gps_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
1023 {
1024         gchar *title = g_strdup(_("GPS Map"));
1025         gchar *map_id = NULL;
1026         gboolean expanded = TRUE;
1027         gint height = 350;
1028         gint zoom = 7;
1029         gdouble latitude;
1030         gdouble longitude;
1031         /* Latitude and longitude are stored in the config file as an integer of
1032          * (actual value * 1,000,000). There is no READ_DOUBLE utility function.
1033          */
1034         gint int_latitude = 54000000;
1035         gint int_longitude = -4000000;
1036         gchar *id = g_strdup("gps");
1037         GtkWidget *ret;
1038
1039         while (*attribute_names)
1040                 {
1041                 const gchar *option = *attribute_names++;
1042                 const gchar *value = *attribute_values++;
1043
1044                 if (READ_CHAR_FULL("title", title))
1045                         continue;
1046                 if (READ_CHAR_FULL("map-id", map_id))
1047                         continue;
1048                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 20))
1049                         continue;
1050                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
1051                         continue;
1052                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
1053                         continue;
1054                 if (READ_BOOL_FULL("expanded", expanded))
1055                         continue;
1056                 if (READ_INT_FULL("height", height))
1057                         continue;
1058                 if (READ_CHAR_FULL("id", id))
1059                         continue;
1060
1061                 log_printf("unknown attribute %s = %s\n", option, value);
1062                 }
1063
1064         bar_pane_translate_title(PANE_COMMENT, id, &title);
1065         latitude = (gdouble)int_latitude / 1000000;
1066         longitude = (gdouble)int_longitude / 1000000;
1067         ret = bar_pane_gps_new(id, title, map_id, zoom, latitude, longitude, expanded, height);
1068         g_free(title);
1069         g_free(map_id);
1070         g_free(id);
1071         return ret;
1072 }
1073
1074 void bar_pane_gps_update_from_config(GtkWidget *pane, const gchar **attribute_names,
1075                                                                                 const gchar **attribute_values)
1076 {
1077         PaneGPSData *pgd;
1078         gint zoom;
1079         gint int_longitude, int_latitude;
1080         gdouble longitude, latitude;
1081
1082         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
1083         if (!pgd)
1084                 return;
1085
1086         gchar *title = NULL;
1087
1088         while (*attribute_names)
1089         {
1090                 const gchar *option = *attribute_names++;
1091                 const gchar *value = *attribute_values++;
1092
1093                 if (READ_CHAR_FULL("title", title))
1094                         continue;
1095                 if (READ_CHAR_FULL("map-id", pgd->map_source))
1096                         continue;
1097                 if (READ_BOOL_FULL("expanded", pgd->pane.expanded))
1098                         continue;
1099                 if (READ_INT_FULL("height", pgd->height))
1100                         continue;
1101                 if (READ_CHAR_FULL("id", pgd->pane.id))
1102                         continue;
1103                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
1104                         {
1105                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", zoom, NULL);
1106                         continue;
1107                         }
1108                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
1109                         {
1110                         longitude = int_longitude / 1000000;
1111                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "longitude", longitude, NULL);
1112                         continue;
1113                         }
1114                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
1115                         {
1116                         latitude = int_latitude / 1000000;
1117                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "latitude", latitude, NULL);
1118                         continue;
1119                         }
1120                 log_printf("unknown attribute %s = %s\n", option, value);
1121         }
1122
1123         if (title)
1124                 {
1125                 bar_pane_translate_title(PANE_COMMENT, pgd->pane.id, &title);
1126                 gtk_label_set_text(GTK_LABEL(pgd->pane.title), title);
1127                 g_free(title);
1128                 }
1129
1130         gtk_widget_set_size_request(pgd->widget, -1, pgd->height);
1131         bar_update_expander(pane);
1132 }
1133
1134 #endif
1135 #endif
1136
1137 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */