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