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 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         { const_cast<gchar *>("text/uri-list"), 0, TARGET_URI_LIST },
  98         { const_cast<gchar *>("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 *UNUSED(gd), gpointer data)
 103 {
 104         PaneGPSData *pgd = static_cast<PaneGPSData *>(data);
 105
 106         g_list_free(pgd->geocode_list);
 107 }
 108
 109 static void bar_pane_gps_close_save_cb(GenericDialog *UNUSED(gd), gpointer data)
 110 {
 111         PaneGPSData *pgd = static_cast<PaneGPSData *>(data);
 112         FileData *fd;
 113         GList *work;
 114
 115         work = g_list_first(pgd->geocode_list);
 116         while (work)
 117                 {
 118                 fd = static_cast<FileData *>(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 *UNUSED(context),
 131                                                                           gint x, gint y,
 132                                                                           GtkSelectionData *selection_data, guint info,
 133                                                                           guint UNUSED(time), gpointer UNUSED(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 = static_cast<PaneGPSData *>(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 = static_cast<FileData *>(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 = static_cast<FileData *>(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 = static_cast<PaneGPSData *>(data);
 251
 252         gtk_drag_dest_set(pgd->widget,
 253                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP),
 254                           bar_pane_gps_drop_types, n_gps_entry_drop_types,
 255                           static_cast<GdkDragAction>(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 *UNUSED(canvas),
 262                                 cairo_t *cr, gpointer UNUSED(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 = static_cast<FileData *>(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 UNUSED(data))
 293 {
 294         thumb_loader_free(tl);
 295 }
 296
 297 static gboolean bar_pane_gps_marker_keypress_cb(GtkWidget *widget, ClutterButtonEvent *bevent, gpointer UNUSED(data))
 298 {
 299         //PaneGPSData *pgd = static_cast<//PaneGPSData *>(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;
 310         GdkPixbufRotation rotate;
 311         gchar *altitude = NULL;
 312         ThumbLoader *tl;
 313
 314         if (bevent->button == MOUSE_BUTTON_LEFT)
 315                 {
 316                 label_marker = CLUTTER_ACTOR(widget);
 317                 fd = static_cast<FileData *>(g_object_get_data(G_OBJECT(label_marker), "file_fd"));
 318
 319                 /* If the marker is showing a thumbnail, delete it
 320                  */
 321                 current_image = champlain_label_get_image(CHAMPLAIN_LABEL(label_marker));
 322                 if (current_image != NULL)
 323                         {
 324                         clutter_actor_destroy(CLUTTER_ACTOR(current_image));
 325                         champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), NULL);
 326                         }
 327
 328                 current_text = g_strdup(champlain_label_get_text(CHAMPLAIN_LABEL(label_marker)));
 329
 330                 /* If the marker is showing only the text character, replace it with a
 331                  * thumbnail and date and altitude
 332                  */
 333                 if (g_strcmp0(current_text, "i") == 0)
 334                         {
 335                         /* If a thumbail has already been generated, use that. If not try the pixbuf of the full image.
 336                          * If not, call the thumb_loader to generate a thumbnail and update the marker later in the
 337                          * thumb_loader callback
 338                          */
 339                          if (fd->thumb_pixbuf != NULL)
 340                                 {
 341                                 actor = gtk_clutter_texture_new();
 342                                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, NULL);
 343                                 champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), actor);
 344                                 }
 345                         else if (fd->pixbuf != NULL)
 346                                 {
 347                                 actor = gtk_clutter_texture_new();
 348                                 width = gdk_pixbuf_get_width (fd->pixbuf);
 349                                 height = gdk_pixbuf_get_height (fd->pixbuf);
 350                                 switch (fd->exif_orientation)
 351                                         {
 352                                         case 8:
 353                                                 rotate = GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE;
 354                                                 break;
 355                                         case 3:
 356                                                 rotate = GDK_PIXBUF_ROTATE_UPSIDEDOWN;
 357                                                 break;
 358                                         case 6:
 359                                                 rotate = GDK_PIXBUF_ROTATE_CLOCKWISE;
 360                                                 break;
 361                                         default:
 362                                                 rotate = GDK_PIXBUF_ROTATE_NONE;
 363                                         }
 364
 365                                         gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor),
 366                                                                                 gdk_pixbuf_rotate_simple(gdk_pixbuf_scale_simple(fd->pixbuf, THUMB_SIZE, height * THUMB_SIZE / width,
 367                                                                                 GDK_INTERP_NEAREST), rotate), NULL);
 368                                         champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), actor);
 369                                 }
 370                         else
 371                                 {
 372                                 tl = thumb_loader_new(THUMB_SIZE, THUMB_SIZE);
 373                                 thumb_loader_set_callbacks(tl,
 374                                                                                         bar_pane_gps_thumb_done_cb,
 375                                                                                         bar_pane_gps_thumb_error_cb,
 376                                                                                         NULL,
 377                                                                                         label_marker);
 378                                 thumb_loader_start(tl, fd);
 379                                 }
 380
 381                         text = g_string_new(fd->name);
 382                         g_string_append(text, "\n");
 383                         g_string_append(text, text_from_time(fd->date));
 384                         g_string_append(text, "\n");
 385                         altitude = metadata_read_string(fd, "formatted.GPSAltitude", METADATA_FORMATTED);
 386                         if (altitude != NULL)
 387                                 {
 388                                 g_string_append(text, altitude);
 389                                 }
 390
 391                         champlain_label_set_text(CHAMPLAIN_LABEL(label_marker), text->str);
 392                         champlain_label_set_font_name(CHAMPLAIN_LABEL(label_marker), "sans 8");
 393                         champlain_marker_set_selection_color(&thumb_colour);
 394                         champlain_marker_set_selection_text_color(&text_colour);
 395
 396                         g_free(altitude);
 397                         g_string_free(text, TRUE);
 398
 399                         parent_marker = clutter_actor_get_parent(label_marker);
 400                         if (clutter_actor_get_n_children(parent_marker ) > 1 )
 401                                 {
 402                                 direction = clutter_actor_get_child_at_index(parent_marker, 0);
 403                                 clutter_actor_set_opacity(direction, 255);
 404                                 }
 405                         }
 406                 /* otherwise, revert to the hidden text marker
 407                  */
 408                 else
 409                         {
 410                         champlain_label_set_text(CHAMPLAIN_LABEL(label_marker), "i");
 411                         champlain_label_set_font_name(CHAMPLAIN_LABEL(label_marker), "courier 5");
 412                         champlain_marker_set_selection_color(&marker_colour);
 413                         champlain_marker_set_selection_text_color(&marker_colour);
 414
 415                         parent_marker = clutter_actor_get_parent(label_marker);
 416                         if (clutter_actor_get_n_children(parent_marker ) > 1 )
 417                                 {
 418                                 direction = clutter_actor_get_child_at_index(parent_marker, 0);
 419                                 clutter_actor_set_opacity(direction, 0);
 420                                 }
 421                         }
 422
 423                 g_free(current_text);
 424
 425                 return TRUE;
 426                 }
 427         return TRUE;
 428 }
 429
 430 static gboolean bar_pane_gps_create_markers_cb(gpointer data)
 431 {
 432         PaneGPSData *pgd = static_cast<PaneGPSData *>(data);
 433         gdouble latitude;
 434         gdouble longitude;
 435         gdouble compass;
 436         FileData *fd;
 437         ClutterActor *parent_marker, *label_marker;
 438         ClutterActor *direction;
 439         ClutterColor marker_colour = { MARKER_COLOUR };
 440         ClutterColor thumb_colour = { THUMB_COLOUR };
 441         GString *message;
 442         ClutterContent *canvas;
 443
 444         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress),
 445                                                         (gdouble)(pgd->selection_count - g_list_length(pgd->not_added)) /
 446                                                         (gdouble)pgd->selection_count);
 447
 448         message = g_string_new("");
 449         g_string_printf(message, "%i/%i", (pgd->selection_count - g_list_length(pgd->not_added)),
 450                                                                                                                                                         pgd->selection_count);
 451         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), message->str);
 452         g_string_free(message, TRUE);
 453
 454         if(pgd->not_added)
 455                 {
 456                 fd = static_cast<FileData *>(pgd->not_added->data);
 457                 pgd->not_added = pgd->not_added->next;
 458
 459                 latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 0);
 460                 longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 0);
 461                 compass = metadata_read_GPS_direction(fd, "Xmp.exif.GPSImgDirection", 1000);
 462
 463                 if (!(latitude == 0 && longitude == 0))
 464                         {
 465                         pgd->num_added++;
 466
 467                         parent_marker = champlain_marker_new();
 468                         clutter_actor_set_reactive(parent_marker, FALSE);
 469                         label_marker = champlain_label_new_with_text("i","courier 5", &marker_colour, &marker_colour);
 470                         clutter_actor_set_reactive(label_marker, TRUE);
 471                         champlain_marker_set_selection_color(&thumb_colour);
 472
 473                         if (compass != 1000)
 474                                 {
 475                                 canvas = clutter_canvas_new();
 476                                 clutter_canvas_set_size(CLUTTER_CANVAS (canvas), DIRECTION_SIZE, 3);
 477                                 g_signal_connect(canvas, "draw", G_CALLBACK(bar_gps_draw_direction), NULL);
 478                                 direction = clutter_actor_new();
 479                                 clutter_actor_set_size(direction, DIRECTION_SIZE, 3);
 480                                 clutter_actor_set_position(direction, 0, 0);
 481                                 clutter_actor_set_rotation_angle(direction, CLUTTER_Z_AXIS, compass -90.00);
 482                                 clutter_actor_set_content(direction, canvas);
 483                                 clutter_content_invalidate(canvas);
 484                                 g_object_unref(canvas);
 485
 486                                 clutter_actor_add_child(parent_marker, direction);
 487                                 clutter_actor_set_opacity(direction, 0);
 488                                 }
 489
 490                         clutter_actor_add_child(parent_marker, label_marker);
 491
 492                         champlain_location_set_location(CHAMPLAIN_LOCATION(parent_marker), latitude, longitude);
 493                         champlain_marker_layer_add_marker(pgd->icon_layer, CHAMPLAIN_MARKER(parent_marker));
 494
 495                         g_signal_connect(G_OBJECT(label_marker), "button_release_event",
 496                                         G_CALLBACK(bar_pane_gps_marker_keypress_cb), pgd);
 497
 498                         g_object_set_data(G_OBJECT(label_marker), "file_fd", fd);
 499
 500                         champlain_bounding_box_extend(pgd->bbox, latitude, longitude);
 501
 502                         }
 503                 return TRUE;
 504                 }
 505
 506         if (pgd->centre_map_checked)
 507                 {
 508                 if (pgd->num_added == 1)
 509                         {
 510                         champlain_bounding_box_get_center(pgd->bbox, &latitude, &longitude);
 511                         champlain_view_go_to(CHAMPLAIN_VIEW(pgd->gps_view), latitude, longitude);
 512                         }
 513                  else if (pgd->num_added > 1)
 514                         {
 515                         champlain_view_ensure_visible(CHAMPLAIN_VIEW(pgd->gps_view), pgd->bbox, TRUE);
 516                         }
 517                 }
 518         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress), 0);
 519         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), NULL);
 520         pgd->create_markers_id = 0;
 521
 522         return FALSE;
 523 }
 524
 525 static void bar_pane_gps_update(PaneGPSData *pgd)
 526 {
 527         GList *list;
 528
 529         /* If a create-marker background process is running, kill it
 530          * and start again
 531          */
 532         if (pgd->create_markers_id != 0)
 533                 {
 534                 if (g_idle_remove_by_data(pgd))
 535                         {
 536                         pgd->create_markers_id = 0;
 537                         }
 538                 else
 539                         {
 540                         return;
 541                         }
 542                 }
 543
 544         /* Delete any markers currently displayed
 545          */
 546
 547         champlain_marker_layer_remove_all(pgd->icon_layer);
 548
 549         if (!pgd->enable_markers_checked)
 550                 {
 551                 return;
 552                 }
 553
 554         /* For each selected photo that has GPS data, create a marker containing
 555          * a single, small text character the same colour as the marker background.
 556          * Use a background process in case the user selects a large number of files.
 557          */
 558         filelist_free(pgd->selection_list);
 559         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 560
 561         list = layout_selection_list(pgd->pane.lw);
 562         list = file_data_process_groups_in_selection(list, FALSE, NULL);
 563
 564         pgd->selection_list = list;
 565         pgd->not_added = list;
 566
 567         pgd->bbox = champlain_bounding_box_new();
 568         pgd->selection_count = g_list_length(pgd->selection_list);
 569         pgd->create_markers_id = g_idle_add(bar_pane_gps_create_markers_cb, pgd);
 570         pgd->num_added = 0;
 571 }
 572
 573 void bar_pane_gps_set_map_source(PaneGPSData *pgd, const gchar *map_id)
 574 {
 575         ChamplainMapSource *map_source;
 576         ChamplainMapSourceFactory *map_factory;
 577
 578         map_factory = champlain_map_source_factory_dup_default();
 579         map_source = champlain_map_source_factory_create(map_factory, map_id);
 580
 581         if (map_source != NULL)
 582                 {
 583                 g_object_set(G_OBJECT(pgd->gps_view), "map-source", map_source, NULL);
 584                 }
 585
 586         g_object_unref(map_factory);
 587 }
 588
 589 void bar_pane_gps_enable_markers_checked_toggle_cb(GtkWidget *UNUSED(menu_widget), gpointer data)
 590 {
 591         PaneGPSData *pgd = static_cast<PaneGPSData *>(data);
 592
 593         if (pgd->enable_markers_checked)
 594                 {
 595                 pgd->enable_markers_checked = FALSE;
 596                 }
 597         else
 598                 {
 599                 pgd->enable_markers_checked = TRUE;
 600                 }
 601 }
 602
 603 static void bar_pane_gps_centre_map_checked_toggle_cb(GtkWidget *UNUSED(menu_widget), gpointer data)
 604 {
 605         PaneGPSData *pgd = static_cast<PaneGPSData *>(data);
 606
 607         if (pgd->centre_map_checked)
 608                 {
 609                 pgd->centre_map_checked = FALSE;
 610                 }
 611         else
 612                 {
 613                 pgd->centre_map_checked = TRUE;
 614                 }
 615 }
 616
 617 static void bar_pane_gps_change_map_cb(GtkWidget *widget, gpointer data)
 618 {
 619         PaneGPSData *pgd = static_cast<PaneGPSData *>(data);
 620         gchar *mapsource;
 621
 622         if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget)))
 623                 return;
 624
 625         if (!pgd) return;
 626
 627         mapsource = static_cast<gchar *>(g_object_get_data(G_OBJECT(widget), "menu_item_radio_data"));
 628         bar_pane_gps_set_map_source(pgd, mapsource);
 629 }
 630
 631 static void bar_pane_gps_notify_selection(GtkWidget *bar, gint count)
 632 {
 633         PaneGPSData *pgd;
 634
 635         if (count == 0) return;
 636
 637         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 638         if (!pgd) return;
 639
 640         bar_pane_gps_update(pgd);
 641 }
 642
 643 static void bar_pane_gps_set_fd(GtkWidget *bar, FileData *fd)
 644 {
 645         PaneGPSData *pgd;
 646
 647         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 648         if (!pgd) return;
 649
 650         file_data_unref(pgd->fd);
 651         pgd->fd = file_data_ref(fd);
 652
 653         bar_pane_gps_update(pgd);
 654 }
 655
 656 static gint bar_pane_gps_event(GtkWidget *bar, GdkEvent *event)
 657 {
 658         PaneGPSData *pgd;
 659
 660         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 661         if (!pgd) return FALSE;
 662
 663         if (gtk_widget_has_focus(pgd->widget)) return gtk_widget_event(GTK_WIDGET(pgd->widget), event);
 664
 665         return FALSE;
 666 }
 667
 668 static void bar_pane_gps_write_config(GtkWidget *pane, GString *outstr, gint indent)
 669 {
 670         PaneGPSData *pgd;
 671         gint zoom;
 672         ChamplainMapSource *mapsource;
 673         const gchar *map_id;
 674         gchar *str = NULL;
 675         GString *buffer = g_string_new(str);
 676         gdouble position;
 677         gint int_position;
 678         gint w, h;
 679
 680         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 681         if (!pgd) return;
 682
 683         WRITE_NL();
 684         WRITE_STRING("<pane_gps ");
 685         write_char_option(outstr, indent, "id", pgd->pane.id);
 686         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(pgd->pane.title)));
 687         WRITE_BOOL(pgd->pane, expanded);
 688
 689         gtk_widget_get_size_request(GTK_WIDGET(pane), &w, &h);
 690         pgd->height = h;
 691
 692         WRITE_INT(*pgd, height);
 693         indent++;
 694
 695         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 696         map_id = champlain_map_source_get_id(mapsource);
 697         WRITE_NL();
 698         write_char_option(outstr, indent, "map-id", map_id);
 699
 700         g_object_get(G_OBJECT(pgd->gps_view), "zoom-level", &zoom, NULL);
 701         g_string_printf(buffer, "%d", zoom);
 702         WRITE_NL();
 703         write_char_option(outstr, indent, "zoom-level", buffer->str);
 704
 705         g_object_get(G_OBJECT(pgd->gps_view), "latitude", &position, NULL);
 706         int_position = position * 1000000;
 707         g_string_printf(buffer, "%i", int_position);
 708         WRITE_NL();
 709         write_char_option(outstr, indent, "latitude", buffer->str);
 710
 711         g_object_get(G_OBJECT(pgd->gps_view), "longitude", &position, NULL);
 712         int_position = position * 1000000;
 713         g_string_printf(buffer, "%i", int_position);
 714         WRITE_NL();
 715         write_char_option(outstr, indent, "longitude", buffer->str);
 716
 717         indent--;
 718         WRITE_NL();
 719         WRITE_STRING("/>");
 720
 721   g_object_unref(mapsource);
 722
 723 }
 724
 725 static void bar_pane_gps_slider_changed_cb(GtkScaleButton *slider,
 726                                            gdouble zoom,
 727                                            gpointer data)
 728 {
 729         PaneGPSData *pgd = static_cast<PaneGPSData *>(data);
 730         GString *message;
 731
 732         message = g_string_new("");
 733         g_string_printf(message, _("Zoom %i"), (gint)zoom);
 734
 735         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", (gint)zoom, NULL);
 736         gtk_widget_set_tooltip_text(GTK_WIDGET(slider), message->str);
 737         g_string_free(message, TRUE);
 738
 739 }
 740 static void bar_pane_gps_view_state_changed_cb(ChamplainView *view,
 741                                                GParamSpec *UNUSED(gobject),
 742                                                gpointer data)
 743 {
 744         PaneGPSData *pgd = static_cast<PaneGPSData *>(data);
 745         ChamplainState status;
 746         gint zoom;
 747         GString *message;
 748
 749         g_object_get(G_OBJECT(view), "zoom-level", &zoom, NULL);
 750         message = g_string_new("");
 751         g_string_printf(message, _("Zoom level %i"), zoom);
 752
 753         g_object_get(G_OBJECT(view), "state", &status, NULL);
 754         if (status == CHAMPLAIN_STATE_LOADING)
 755                 {
 756                 gtk_label_set_text(GTK_LABEL(pgd->state), _("Loading map"));
 757                 }
 758         else
 759                 {
 760                 gtk_label_set_text(GTK_LABEL(pgd->state), message->str);
 761                 }
 762
 763         gtk_widget_set_tooltip_text(GTK_WIDGET(pgd->slider), message->str);
 764         gtk_scale_button_set_value(GTK_SCALE_BUTTON(pgd->slider), (gdouble)zoom);
 765
 766         g_string_free(message, TRUE);
 767 }
 768
 769 static void bar_pane_gps_notify_cb(FileData *fd, NotifyType type, gpointer data)
 770 {
 771         PaneGPSData *pgd = static_cast<PaneGPSData *>(data);
 772
 773         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) &&
 774             g_list_find(pgd->selection_list, fd))
 775                 {
 776                 bar_pane_gps_update(pgd);
 777                 }
 778 }
 779
 780 const gchar *bar_pane_gps_get_map_id(PaneGPSData *pgd)
 781 {
 782         const gchar *map_id;
 783         ChamplainMapSource *mapsource;
 784
 785         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 786         map_id = champlain_map_source_get_id(mapsource);
 787
 788         g_object_unref(mapsource);
 789
 790         return map_id;
 791 }
 792
 793 static GtkWidget *bar_pane_gps_menu(PaneGPSData *pgd)
 794 {
 795         GtkWidget *menu;
 796         GtkWidget *map_centre;
 797         ChamplainMapSourceFactory *map_factory;
 798         GSList *map_list;
 799         ChamplainMapSourceDesc *map_desc;
 800         const gchar *current;
 801
 802         menu = popup_menu_short_lived();
 803
 804         map_factory = champlain_map_source_factory_dup_default();
 805         map_list = champlain_map_source_factory_get_registered(map_factory);
 806         current = bar_pane_gps_get_map_id(pgd);
 807
 808         while (map_list)
 809                 {
 810                 map_desc = (ChamplainMapSourceDesc *)(map_list->data);
 811
 812                 menu_item_add_radio(menu,
 813                                     champlain_map_source_desc_get_name(map_desc),
 814                                     (gpointer)champlain_map_source_desc_get_id(map_desc),
 815                                     strcmp(champlain_map_source_desc_get_id(map_desc), current) == 0,
 816                                     G_CALLBACK(bar_pane_gps_change_map_cb), pgd);
 817
 818                 map_list = g_slist_next(map_list);
 819                 }
 820
 821         menu_item_add_divider(menu);
 822         menu_item_add_check(menu, _("Enable markers"), pgd->enable_markers_checked,
 823                             G_CALLBACK(bar_pane_gps_enable_markers_checked_toggle_cb), pgd);
 824         map_centre = menu_item_add_check(menu, _("Centre map on marker"), pgd->centre_map_checked,
 825                                          G_CALLBACK(bar_pane_gps_centre_map_checked_toggle_cb), pgd);
 826         if (!pgd->enable_markers_checked)
 827                 {
 828                 gtk_widget_set_sensitive(map_centre, FALSE);
 829                 }
 830
 831         g_slist_free(map_list);
 832         g_object_unref(map_factory);
 833
 834         return menu;
 835 }
 836
 837 /* Determine if the map is to be re-centred on the marker when another photo is selected
 838  */
 839 void bar_pane_gps_map_centreing(PaneGPSData *pgd)
 840 {
 841         GenericDialog *gd;
 842         GString *message = g_string_new("");
 843
 844         if (pgd->centre_map_checked)
 845                 {
 846                 message = g_string_append(message, _("Move map centre to marker\n is disabled"));
 847                 pgd->centre_map_checked = FALSE;
 848                 }
 849         else
 850                 {
 851                 message = g_string_append(message, _("Move map centre to marker\n is enabled"));
 852                 pgd->centre_map_checked = TRUE;
 853                 }
 854
 855         gd = generic_dialog_new(_("Map centering"),
 856                                 "map_centering", NULL, TRUE, NULL, pgd);
 857         generic_dialog_add_message(gd, GTK_STOCK_DIALOG_INFO,
 858                                 "Map Centering", message->str, TRUE);
 859         generic_dialog_add_button(gd, GTK_STOCK_OK, NULL, NULL, TRUE);
 860
 861         gtk_widget_show(gd->dialog);
 862
 863         g_string_free(message, TRUE);
 864 }
 865
 866 static gboolean bar_pane_gps_map_keypress_cb(GtkWidget *UNUSED(widget), GdkEventButton *bevent, gpointer data)
 867 {
 868         PaneGPSData *pgd = static_cast<PaneGPSData *>(data);
 869         GtkWidget *menu;
 870         GtkClipboard *clipboard;
 871         gchar *geo_coords;
 872
 873         if (bevent->button == MOUSE_BUTTON_RIGHT)
 874                 {
 875                 menu = bar_pane_gps_menu(pgd);
 876                 gtk_menu_popup_at_pointer(GTK_MENU(menu), NULL);
 877                 return TRUE;
 878                 }
 879         else if (bevent->button == MOUSE_BUTTON_MIDDLE)
 880                 {
 881                 bar_pane_gps_map_centreing(pgd);
 882                 return TRUE;
 883                 }
 884         else if (bevent->button == MOUSE_BUTTON_LEFT)
 885                 {
 886                 clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 887                 geo_coords = g_strdup_printf("%lf %lf",
 888                                                         champlain_view_y_to_latitude(
 889                                                                 CHAMPLAIN_VIEW(pgd->gps_view),bevent->y),
 890                                                         champlain_view_x_to_longitude(
 891                                                                 CHAMPLAIN_VIEW(pgd->gps_view),bevent->x));
 892                 gtk_clipboard_set_text(clipboard, geo_coords, -1);
 893
 894                 g_free(geo_coords);
 895
 896                 return TRUE;
 897                 }
 898         else
 899                 {
 900                 return FALSE;
 901                 }
 902 }
 903
 904 static void bar_pane_gps_destroy(GtkWidget *UNUSED(widget), gpointer data)
 905 {
 906         PaneGPSData *pgd = static_cast<PaneGPSData *>(data);
 907
 908         file_data_unregister_notify_func(bar_pane_gps_notify_cb, pgd);
 909
 910         g_idle_remove_by_data(pgd);
 911
 912         filelist_free(pgd->selection_list);
 913         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 914
 915         file_data_unref(pgd->fd);
 916         g_free(pgd->map_source);
 917         g_free(pgd->pane.id);
 918         clutter_actor_destroy(pgd->gps_view);
 919         g_free(pgd);
 920 }
 921
 922
 923 GtkWidget *bar_pane_gps_new(const gchar *id, const gchar *title, const gchar *map_id,
 924                                                 const gint zoom, const gdouble latitude, const gdouble longitude,
 925                                         gboolean expanded, gint height)
 926 {
 927         PaneGPSData *pgd;
 928         GtkWidget *vbox, *frame;
 929         GtkWidget *gpswidget;
 930         GtkWidget *status, *state, *progress, *slider;
 931         ChamplainMarkerLayer *layer;
 932         ChamplainView *view;
 933         const gchar *slider_list[] = {"zoom-in", "zoom-out", NULL};
 934         const gchar **slider_icons = slider_list;
 935
 936         pgd = g_new0(PaneGPSData, 1);
 937
 938         pgd->pane.pane_set_fd = bar_pane_gps_set_fd;
 939         pgd->pane.pane_notify_selection = bar_pane_gps_notify_selection;
 940         pgd->pane.pane_event = bar_pane_gps_event;
 941         pgd->pane.pane_write_config = bar_pane_gps_write_config;
 942         pgd->pane.title = bar_pane_expander_title(title);
 943         pgd->pane.id = g_strdup(id);
 944         pgd->pane.type = PANE_GPS;
 945         pgd->pane.expanded = expanded;
 946         pgd->height = height;
 947
 948         frame = gtk_frame_new(NULL);
 949         DEBUG_NAME(frame);
 950         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 951
 952         gpswidget = gtk_champlain_embed_new();
 953         view = gtk_champlain_embed_get_view(GTK_CHAMPLAIN_EMBED(gpswidget));
 954
 955         gtk_box_pack_start(GTK_BOX(vbox), gpswidget, TRUE, TRUE, 0);
 956         gtk_container_add(GTK_CONTAINER(frame), vbox);
 957
 958         status = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,0);
 959         slider = gtk_scale_button_new(GTK_ICON_SIZE_SMALL_TOOLBAR, 1, 17, 1, slider_icons);
 960         gtk_widget_set_tooltip_text(slider, _("Zoom"));
 961         gtk_scale_button_set_value(GTK_SCALE_BUTTON(slider), (gdouble)zoom);
 962
 963         progress = gtk_progress_bar_new();
 964         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "");
 965         gtk_progress_bar_set_show_text(GTK_PROGRESS_BAR(progress), TRUE);
 966
 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 = static_cast<PaneGPSData *>(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: */