src/bar-gps.cc

   1 /*
   2  * Copyright (C) 2004 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: Colin Clark
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "main.h"
  23 #ifdef HAVE_LIBCHAMPLAIN
  24 #ifdef HAVE_LIBCHAMPLAIN_GTK
  25
  26 #include "bar-gps.h"
  27
  28 #include "bar.h"
  29 #include "filedata.h"
  30 #include "layout.h"
  31 #include "metadata.h"
  32 #include "menu.h"
  33 #include "misc.h"
  34 #include "rcfile.h"
  35 #include "thumb.h"
  36 #include "ui-menu.h"
  37 #include "uri-utils.h"
  38 #include "ui-utildlg.h"
  39
  40 #include <clutter-gtk/clutter-gtk.h>
  41 #include <champlain/champlain.h>
  42 #include <champlain-gtk/champlain-gtk.h>
  43
  44 #define MARKER_COLOUR 0x00, 0x00, 0xff, 0xff
  45 #define TEXT_COLOUR 0x00, 0x00, 0x00, 0xff
  46 #define THUMB_COLOUR 0xff, 0xff, 0xff, 0xff
  47 #define THUMB_SIZE 100
  48
  49 #define DIRECTION_SIZE 300
  50
  51 /*
  52  *-------------------------------------------------------------------
  53  * GPS Map utils
  54  *-------------------------------------------------------------------
  55  */
  56
  57 struct PaneGPSData
  58 {
  59         PaneData pane;
  60         GtkWidget *widget;
  61         gchar *map_source;
  62         gint height;
  63         FileData *fd;
  64         ClutterActor *gps_view;
  65         ChamplainMarkerLayer *icon_layer;
  66         GList *selection_list;
  67         GList *not_added;
  68         ChamplainBoundingBox *bbox;
  69         guint num_added;
  70         guint create_markers_id;
  71         GtkWidget *progress;
  72         GtkWidget *slider;
  73         GtkWidget *state;
  74         gint selection_count;
  75         gboolean centre_map_checked;
  76         gboolean enable_markers_checked;
  77         gdouble dest_latitude;
  78         gdouble dest_longitude;
  79         GList *geocode_list;
  80 };
  81
  82 /*
  83  *-------------------------------------------------------------------
  84  * drag-and-drop
  85  *-------------------------------------------------------------------
  86  */
  87 enum {
  88         TARGET_APP_COLLECTION_MEMBER,
  89         TARGET_APP_EXIF_ENTRY,
  90         TARGET_APP_KEYWORD_PATH,
  91         TARGET_URI_LIST,
  92         TARGET_TEXT_PLAIN
  93 };
  94
  95 static GtkTargetEntry bar_pane_gps_drop_types[] = {
  96         { const_cast<gchar *>("text/uri-list"), 0, TARGET_URI_LIST },
  97         { const_cast<gchar *>("text/plain"), 0, TARGET_TEXT_PLAIN }
  98 };
  99 static gint n_gps_entry_drop_types = 2;
 100
 101 static void bar_pane_gps_close_cancel_cb(GenericDialog *, gpointer data)
 102 {
 103         auto pgd = static_cast<PaneGPSData *>(data);
 104
 105         g_list_free(pgd->geocode_list);
 106 }
 107
 108 static void bar_pane_gps_close_save_cb(GenericDialog *, gpointer data)
 109 {
 110         auto pgd = static_cast<PaneGPSData *>(data);
 111         FileData *fd;
 112         GList *work;
 113
 114         work = g_list_first(pgd->geocode_list);
 115         while (work)
 116                 {
 117                 fd = static_cast<FileData *>(work->data);
 118                 if (fd->name && !fd->parent)
 119                         {
 120                         work = work->next;
 121                         metadata_write_GPS_coord(fd, "Xmp.exif.GPSLatitude", pgd->dest_latitude);
 122                         metadata_write_GPS_coord(fd, "Xmp.exif.GPSLongitude", pgd->dest_longitude);
 123                         }
 124                 }
 125         g_list_free(pgd->geocode_list);
 126 }
 127
 128  static void bar_pane_gps_dnd_receive(GtkWidget *pane, GdkDragContext *,
 129                                                                           gint x, gint y,
 130                                                                           GtkSelectionData *selection_data, guint info,
 131                                                                           guint, gpointer)
 132 {
 133         PaneGPSData *pgd;
 134         GenericDialog *gd;
 135         FileData *fd, *fd_found;
 136         GList *work, *list;
 137         gint count, geocoded_count;
 138         gdouble latitude, longitude;
 139         GString *message;
 140         gchar *location;
 141         gchar **latlong;
 142
 143         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 144         if (!pgd) return;
 145
 146         if (info == TARGET_URI_LIST)
 147                 {
 148                 pgd->dest_longitude = champlain_view_x_to_longitude(CHAMPLAIN_VIEW(pgd->gps_view), x);
 149                 pgd->dest_latitude = champlain_view_y_to_latitude(CHAMPLAIN_VIEW(pgd->gps_view), y);
 150
 151                 count = 0;
 152                 geocoded_count = 0;
 153                 pgd->geocode_list = nullptr;
 154
 155                 list = uri_filelist_from_gtk_selection_data(selection_data);
 156
 157                 if (list)
 158                         {
 159                         work = list;
 160                         while (work)
 161                                 {
 162                                 fd = static_cast<FileData *>(work->data);
 163                                 work = work->next;
 164                                 if (fd->name && !fd->parent)
 165                                         {
 166                                         count++;
 167                                         pgd->geocode_list = g_list_append(pgd->geocode_list, fd);
 168                                         latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 1000);
 169                                         longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 1000);
 170                                         if (latitude != 1000 && longitude != 1000)
 171                                                 {
 172                                                 geocoded_count++;
 173                                                 }
 174                                         }
 175                                 }
 176                         g_list_free(list);
 177
 178                         if(count)
 179                                 {
 180                                 message = g_string_new("");
 181                                 if (count == 1)
 182                                         {
 183                                         fd_found = static_cast<FileData *>(g_list_first(pgd->geocode_list)->data);
 184                                         g_string_append_printf(message,
 185                                                         _("\nDo you want to geocode image %s?"), fd_found->name);
 186                                         }
 187                                 else
 188                                         {
 189                                         g_string_append_printf(message,
 190                                                         _("\nDo you want to geocode %i images?"), count);
 191                                         }
 192                                 if (geocoded_count == 1 && count == 1)
 193                                         {
 194                                         g_string_append(message,
 195                                                         _("\nThis image is already geocoded!"));
 196                                         }
 197                                 else if (geocoded_count == 1 && count > 1)
 198                                         {
 199                                         g_string_append(message,
 200                                                         _("\nOne image is already geocoded!"));
 201                                         }
 202                                 else if (geocoded_count > 1 && count > 1)
 203                                         {
 204                                         g_string_append_printf(message,
 205                                                         _("\n%i Images are already geocoded!"), geocoded_count);
 206                                         }
 207
 208                                 g_string_append_printf(message, _("\n\nPosition: %lf %lf \n"), pgd->dest_latitude, pgd->dest_longitude);
 209
 210                                 gd = generic_dialog_new(_("Geocode images"),
 211                                                         "geocode_images", nullptr, TRUE,
 212                                                         bar_pane_gps_close_cancel_cb, pgd);
 213                                 generic_dialog_add_message(gd, GQ_ICON_DIALOG_QUESTION,
 214                                                         _("Write lat/long to meta-data?"),
 215                                                         message->str, TRUE);
 216
 217                                 generic_dialog_add_button(gd, GQ_ICON_SAVE, _("Save"),
 218                                                                                                 bar_pane_gps_close_save_cb, TRUE);
 219
 220                                 gtk_widget_show(gd->dialog);
 221                                 g_string_free(message, TRUE);
 222                                 }
 223                         }
 224                 }
 225
 226         if (info == TARGET_TEXT_PLAIN)
 227                 {
 228                 location = decode_geo_parameters(reinterpret_cast<const gchar *>(gtk_selection_data_get_data(selection_data)));
 229                 if (!(g_strstr_len(location,-1,"Error")))
 230                         {
 231                         latlong = g_strsplit(location, " ", 2);
 232                         champlain_view_center_on(CHAMPLAIN_VIEW(pgd->gps_view),
 233                                                         g_ascii_strtod(latlong[0],nullptr),
 234                                                         g_ascii_strtod(latlong[1],nullptr));
 235                         g_strfreev(latlong);
 236                         }
 237                 g_free(location);
 238                 }
 239 }
 240
 241 static void bar_pane_gps_dnd_init(gpointer data)
 242 {
 243         auto pgd = static_cast<PaneGPSData *>(data);
 244
 245         gtk_drag_dest_set(pgd->widget,
 246                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP),
 247                           bar_pane_gps_drop_types, n_gps_entry_drop_types,
 248                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE));
 249         g_signal_connect(G_OBJECT(pgd->widget), "drag_data_received",
 250                          G_CALLBACK(bar_pane_gps_dnd_receive), NULL);
 251
 252 }
 253
 254 static gboolean bar_gps_draw_direction (ClutterCanvas *, cairo_t *cr, gpointer)
 255 {
 256         cairo_set_source_rgb(cr, 255, 0, 0);
 257
 258         cairo_set_line_width(cr, 2);
 259         cairo_move_to(cr, 0, 1);
 260         cairo_line_to(cr, DIRECTION_SIZE, 1);
 261
 262         cairo_stroke(cr);
 263
 264         return TRUE;
 265 }
 266
 267 static void bar_pane_gps_thumb_done_cb(ThumbLoader *tl, gpointer data)
 268 {
 269         FileData *fd;
 270         ClutterActor *marker;
 271         ClutterActor *actor;
 272
 273         marker = CLUTTER_ACTOR(data);
 274         fd = static_cast<FileData *>(g_object_get_data(G_OBJECT(marker), "file_fd"));
 275         if (fd->thumb_pixbuf != nullptr)
 276                 {
 277                 actor = gtk_clutter_texture_new();
 278                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, nullptr);
 279                 champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
 280                 }
 281         thumb_loader_free(tl);
 282 }
 283
 284 static void bar_pane_gps_thumb_error_cb(ThumbLoader *tl, gpointer)
 285 {
 286         thumb_loader_free(tl);
 287 }
 288
 289 static gboolean bar_pane_gps_marker_keypress_cb(GtkWidget *widget, ClutterButtonEvent *bevent, gpointer)
 290 {
 291         FileData *fd;
 292         ClutterActor *label_marker, *parent_marker;
 293         ClutterColor marker_colour = { MARKER_COLOUR };
 294         ClutterColor text_colour = { TEXT_COLOUR };
 295         ClutterColor thumb_colour = { THUMB_COLOUR };
 296         gchar *current_text;
 297         ClutterActor *actor, *direction;
 298         ClutterActor *current_image;
 299         GString *text;
 300         gint height, width;
 301         GdkPixbufRotation rotate;
 302         gchar *altitude = nullptr;
 303         ThumbLoader *tl;
 304
 305         if (bevent->button == MOUSE_BUTTON_LEFT)
 306                 {
 307                 label_marker = CLUTTER_ACTOR(widget);
 308                 fd = static_cast<FileData *>(g_object_get_data(G_OBJECT(label_marker), "file_fd"));
 309
 310                 /* If the marker is showing a thumbnail, delete it
 311                  */
 312                 current_image = champlain_label_get_image(CHAMPLAIN_LABEL(label_marker));
 313                 if (current_image != nullptr)
 314                         {
 315                         clutter_actor_destroy(CLUTTER_ACTOR(current_image));
 316                         champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), nullptr);
 317                         }
 318
 319                 current_text = g_strdup(champlain_label_get_text(CHAMPLAIN_LABEL(label_marker)));
 320
 321                 /* If the marker is showing only the text character, replace it with a
 322                  * thumbnail and date and altitude
 323                  */
 324                 if (g_strcmp0(current_text, "i") == 0)
 325                         {
 326                         /* If a thumbail has already been generated, use that. If not try the pixbuf of the full image.
 327                          * If not, call the thumb_loader to generate a thumbnail and update the marker later in the
 328                          * thumb_loader callback
 329                          */
 330                          if (fd->thumb_pixbuf != nullptr)
 331                                 {
 332                                 actor = gtk_clutter_texture_new();
 333                                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, nullptr);
 334                                 champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), actor);
 335                                 }
 336                         else if (fd->pixbuf != nullptr)
 337                                 {
 338                                 actor = gtk_clutter_texture_new();
 339                                 width = gdk_pixbuf_get_width (fd->pixbuf);
 340                                 height = gdk_pixbuf_get_height (fd->pixbuf);
 341                                 switch (fd->exif_orientation)
 342                                         {
 343                                         case 8:
 344                                                 rotate = GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE;
 345                                                 break;
 346                                         case 3:
 347                                                 rotate = GDK_PIXBUF_ROTATE_UPSIDEDOWN;
 348                                                 break;
 349                                         case 6:
 350                                                 rotate = GDK_PIXBUF_ROTATE_CLOCKWISE;
 351                                                 break;
 352                                         default:
 353                                                 rotate = GDK_PIXBUF_ROTATE_NONE;
 354                                         }
 355
 356                                         gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor),
 357                                                                                 gdk_pixbuf_rotate_simple(gdk_pixbuf_scale_simple(fd->pixbuf, THUMB_SIZE, height * THUMB_SIZE / width,
 358                                                                                 GDK_INTERP_NEAREST), rotate), nullptr);
 359                                         champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), actor);
 360                                 }
 361                         else
 362                                 {
 363                                 tl = thumb_loader_new(THUMB_SIZE, THUMB_SIZE);
 364                                 thumb_loader_set_callbacks(tl,
 365                                                                                         bar_pane_gps_thumb_done_cb,
 366                                                                                         bar_pane_gps_thumb_error_cb,
 367                                                                                         nullptr,
 368                                                                                         label_marker);
 369                                 thumb_loader_start(tl, fd);
 370                                 }
 371
 372                         text = g_string_new(fd->name);
 373                         g_string_append(text, "\n");
 374                         g_string_append(text, text_from_time(fd->date));
 375                         g_string_append(text, "\n");
 376                         altitude = metadata_read_string(fd, "formatted.GPSAltitude", METADATA_FORMATTED);
 377                         if (altitude != nullptr)
 378                                 {
 379                                 g_string_append(text, altitude);
 380                                 }
 381
 382                         champlain_label_set_text(CHAMPLAIN_LABEL(label_marker), text->str);
 383                         champlain_label_set_font_name(CHAMPLAIN_LABEL(label_marker), "sans 8");
 384                         champlain_marker_set_selection_color(&thumb_colour);
 385                         champlain_marker_set_selection_text_color(&text_colour);
 386
 387                         g_free(altitude);
 388                         g_string_free(text, TRUE);
 389
 390                         parent_marker = clutter_actor_get_parent(label_marker);
 391                         if (clutter_actor_get_n_children(parent_marker ) > 1 )
 392                                 {
 393                                 direction = clutter_actor_get_child_at_index(parent_marker, 0);
 394                                 clutter_actor_set_opacity(direction, 255);
 395                                 }
 396                         }
 397                 /* otherwise, revert to the hidden text marker
 398                  */
 399                 else
 400                         {
 401                         champlain_label_set_text(CHAMPLAIN_LABEL(label_marker), "i");
 402                         champlain_label_set_font_name(CHAMPLAIN_LABEL(label_marker), "courier 5");
 403                         champlain_marker_set_selection_color(&marker_colour);
 404                         champlain_marker_set_selection_text_color(&marker_colour);
 405
 406                         parent_marker = clutter_actor_get_parent(label_marker);
 407                         if (clutter_actor_get_n_children(parent_marker ) > 1 )
 408                                 {
 409                                 direction = clutter_actor_get_child_at_index(parent_marker, 0);
 410                                 clutter_actor_set_opacity(direction, 0);
 411                                 }
 412                         }
 413
 414                 g_free(current_text);
 415
 416                 return TRUE;
 417                 }
 418         return TRUE;
 419 }
 420
 421 static gboolean bar_pane_gps_create_markers_cb(gpointer data)
 422 {
 423         auto pgd = static_cast<PaneGPSData *>(data);
 424         gdouble latitude;
 425         gdouble longitude;
 426         gdouble compass;
 427         FileData *fd;
 428         ClutterActor *parent_marker, *label_marker;
 429         ClutterActor *direction;
 430         ClutterColor marker_colour = { MARKER_COLOUR };
 431         ClutterColor thumb_colour = { THUMB_COLOUR };
 432         GString *message;
 433         ClutterContent *canvas;
 434
 435         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress),
 436                                                         static_cast<gdouble>(pgd->selection_count - g_list_length(pgd->not_added)) /
 437                                                         static_cast<gdouble>(pgd->selection_count));
 438
 439         message = g_string_new("");
 440         g_string_printf(message, "%i/%i", (pgd->selection_count - g_list_length(pgd->not_added)),
 441                                                                                                                                                         pgd->selection_count);
 442         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), message->str);
 443         g_string_free(message, TRUE);
 444
 445         if(pgd->not_added)
 446                 {
 447                 fd = static_cast<FileData *>(pgd->not_added->data);
 448                 pgd->not_added = pgd->not_added->next;
 449
 450                 latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 0);
 451                 longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 0);
 452                 compass = metadata_read_GPS_direction(fd, "Xmp.exif.GPSImgDirection", 1000);
 453
 454                 if (!(latitude == 0 && longitude == 0))
 455                         {
 456                         pgd->num_added++;
 457
 458                         parent_marker = champlain_marker_new();
 459                         clutter_actor_set_reactive(parent_marker, FALSE);
 460                         label_marker = champlain_label_new_with_text("i","courier 5", &marker_colour, &marker_colour);
 461                         clutter_actor_set_reactive(label_marker, TRUE);
 462                         champlain_marker_set_selection_color(&thumb_colour);
 463
 464                         if (compass != 1000)
 465                                 {
 466                                 canvas = clutter_canvas_new();
 467                                 clutter_canvas_set_size(CLUTTER_CANVAS (canvas), DIRECTION_SIZE, 3);
 468                                 g_signal_connect(canvas, "draw", G_CALLBACK(bar_gps_draw_direction), NULL);
 469                                 direction = clutter_actor_new();
 470                                 clutter_actor_set_size(direction, DIRECTION_SIZE, 3);
 471                                 clutter_actor_set_position(direction, 0, 0);
 472                                 clutter_actor_set_rotation_angle(direction, CLUTTER_Z_AXIS, compass -90.00);
 473                                 clutter_actor_set_content(direction, canvas);
 474                                 clutter_content_invalidate(canvas);
 475                                 g_object_unref(canvas);
 476
 477                                 clutter_actor_add_child(parent_marker, direction);
 478                                 clutter_actor_set_opacity(direction, 0);
 479                                 }
 480
 481                         clutter_actor_add_child(parent_marker, label_marker);
 482
 483                         champlain_location_set_location(CHAMPLAIN_LOCATION(parent_marker), latitude, longitude);
 484                         champlain_marker_layer_add_marker(pgd->icon_layer, CHAMPLAIN_MARKER(parent_marker));
 485
 486                         g_signal_connect(G_OBJECT(label_marker), "button_release_event",
 487                                         G_CALLBACK(bar_pane_gps_marker_keypress_cb), pgd);
 488
 489                         g_object_set_data(G_OBJECT(label_marker), "file_fd", fd);
 490
 491                         champlain_bounding_box_extend(pgd->bbox, latitude, longitude);
 492
 493                         }
 494                 return G_SOURCE_CONTINUE;
 495                 }
 496
 497         if (pgd->centre_map_checked)
 498                 {
 499                 if (pgd->num_added == 1)
 500                         {
 501                         champlain_bounding_box_get_center(pgd->bbox, &latitude, &longitude);
 502                         champlain_view_go_to(CHAMPLAIN_VIEW(pgd->gps_view), latitude, longitude);
 503                         }
 504                  else if (pgd->num_added > 1)
 505                         {
 506                         champlain_view_ensure_visible(CHAMPLAIN_VIEW(pgd->gps_view), pgd->bbox, TRUE);
 507                         }
 508                 }
 509         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress), 0);
 510         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), nullptr);
 511         pgd->create_markers_id = 0;
 512
 513         return G_SOURCE_REMOVE;
 514 }
 515
 516 static void bar_pane_gps_update(PaneGPSData *pgd)
 517 {
 518         GList *list;
 519
 520         /* If a create-marker background process is running, kill it
 521          * and start again
 522          */
 523         if (pgd->create_markers_id != 0)
 524                 {
 525                 if (g_idle_remove_by_data(pgd))
 526                         {
 527                         pgd->create_markers_id = 0;
 528                         }
 529                 else
 530                         {
 531                         return;
 532                         }
 533                 }
 534
 535         /* Delete any markers currently displayed
 536          */
 537
 538         champlain_marker_layer_remove_all(pgd->icon_layer);
 539
 540         if (!pgd->enable_markers_checked)
 541                 {
 542                 return;
 543                 }
 544
 545         /* For each selected photo that has GPS data, create a marker containing
 546          * a single, small text character the same colour as the marker background.
 547          * Use a background process in case the user selects a large number of files.
 548          */
 549         filelist_free(pgd->selection_list);
 550         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 551
 552         list = layout_selection_list(pgd->pane.lw);
 553         list = file_data_process_groups_in_selection(list, FALSE, nullptr);
 554
 555         pgd->selection_list = list;
 556         pgd->not_added = list;
 557
 558         pgd->bbox = champlain_bounding_box_new();
 559         pgd->selection_count = g_list_length(pgd->selection_list);
 560         pgd->create_markers_id = g_idle_add(bar_pane_gps_create_markers_cb, pgd);
 561         pgd->num_added = 0;
 562 }
 563
 564 static void bar_pane_gps_set_map_source(PaneGPSData *pgd, const gchar *map_id)
 565 {
 566         ChamplainMapSource *map_source;
 567         ChamplainMapSourceFactory *map_factory;
 568
 569         map_factory = champlain_map_source_factory_dup_default();
 570         map_source = champlain_map_source_factory_create(map_factory, map_id);
 571
 572         if (map_source != nullptr)
 573                 {
 574                 g_object_set(G_OBJECT(pgd->gps_view), "map-source", map_source, NULL);
 575                 }
 576
 577         g_object_unref(map_factory);
 578 }
 579
 580 static void bar_pane_gps_enable_markers_checked_toggle_cb(GtkWidget *, gpointer data)
 581 {
 582         auto pgd = static_cast<PaneGPSData *>(data);
 583
 584         if (pgd->enable_markers_checked)
 585                 {
 586                 pgd->enable_markers_checked = FALSE;
 587                 }
 588         else
 589                 {
 590                 pgd->enable_markers_checked = TRUE;
 591                 }
 592 }
 593
 594 static void bar_pane_gps_centre_map_checked_toggle_cb(GtkWidget *, gpointer data)
 595 {
 596         auto pgd = static_cast<PaneGPSData *>(data);
 597
 598         if (pgd->centre_map_checked)
 599                 {
 600                 pgd->centre_map_checked = FALSE;
 601                 }
 602         else
 603                 {
 604                 pgd->centre_map_checked = TRUE;
 605                 }
 606 }
 607
 608 static void bar_pane_gps_change_map_cb(GtkWidget *widget, gpointer data)
 609 {
 610         auto pgd = static_cast<PaneGPSData *>(data);
 611         gchar *mapsource;
 612
 613         if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget)))
 614                 return;
 615
 616         if (!pgd) return;
 617
 618         mapsource = static_cast<gchar *>(g_object_get_data(G_OBJECT(widget), "menu_item_radio_data"));
 619         bar_pane_gps_set_map_source(pgd, mapsource);
 620 }
 621
 622 static void bar_pane_gps_notify_selection(GtkWidget *bar, gint count)
 623 {
 624         PaneGPSData *pgd;
 625
 626         if (count == 0) return;
 627
 628         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 629         if (!pgd) return;
 630
 631         bar_pane_gps_update(pgd);
 632 }
 633
 634 static void bar_pane_gps_set_fd(GtkWidget *bar, FileData *fd)
 635 {
 636         PaneGPSData *pgd;
 637
 638         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 639         if (!pgd) return;
 640
 641         file_data_unref(pgd->fd);
 642         pgd->fd = file_data_ref(fd);
 643
 644         bar_pane_gps_update(pgd);
 645 }
 646
 647 static gint bar_pane_gps_event(GtkWidget *bar, GdkEvent *event)
 648 {
 649         PaneGPSData *pgd;
 650
 651         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 652         if (!pgd) return FALSE;
 653
 654         if (gtk_widget_has_focus(pgd->widget)) return gtk_widget_event(GTK_WIDGET(pgd->widget), event);
 655
 656         return FALSE;
 657 }
 658
 659 static void bar_pane_gps_write_config(GtkWidget *pane, GString *outstr, gint indent)
 660 {
 661         PaneGPSData *pgd;
 662         gint zoom;
 663         ChamplainMapSource *mapsource;
 664         const gchar *map_id;
 665         gdouble position;
 666         gint int_position;
 667         gint w, h;
 668
 669         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 670         if (!pgd) return;
 671
 672         WRITE_NL();
 673         WRITE_STRING("<pane_gps ");
 674         write_char_option(outstr, indent, "id", pgd->pane.id);
 675         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(pgd->pane.title)));
 676         WRITE_BOOL(pgd->pane, expanded);
 677
 678         gtk_widget_get_size_request(GTK_WIDGET(pane), &w, &h);
 679         pgd->height = h;
 680
 681         WRITE_INT(*pgd, height);
 682         indent++;
 683
 684         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 685         map_id = champlain_map_source_get_id(mapsource);
 686         WRITE_NL();
 687         write_char_option(outstr, indent, "map-id", map_id);
 688
 689         GString *buffer = g_string_new(nullptr);
 690
 691         g_object_get(G_OBJECT(pgd->gps_view), "zoom-level", &zoom, NULL);
 692         g_string_printf(buffer, "%d", zoom);
 693         WRITE_NL();
 694         write_char_option(outstr, indent, "zoom-level", buffer->str);
 695
 696         g_object_get(G_OBJECT(pgd->gps_view), "latitude", &position, NULL);
 697         int_position = position * 1000000;
 698         g_string_printf(buffer, "%i", int_position);
 699         WRITE_NL();
 700         write_char_option(outstr, indent, "latitude", buffer->str);
 701
 702         g_object_get(G_OBJECT(pgd->gps_view), "longitude", &position, NULL);
 703         int_position = position * 1000000;
 704         g_string_printf(buffer, "%i", int_position);
 705         WRITE_NL();
 706         write_char_option(outstr, indent, "longitude", buffer->str);
 707
 708         indent--;
 709         WRITE_NL();
 710         WRITE_STRING("/>");
 711
 712         g_string_free(buffer, TRUE);
 713         g_object_unref(mapsource);
 714 }
 715
 716 static void bar_pane_gps_slider_changed_cb(GtkScaleButton *slider,
 717                                            gdouble zoom,
 718                                            gpointer data)
 719 {
 720         auto pgd = static_cast<PaneGPSData *>(data);
 721         GString *message;
 722
 723         message = g_string_new("");
 724         g_string_printf(message, _("Zoom %i"), static_cast<gint>(zoom));
 725
 726         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", static_cast<gint>(zoom), NULL);
 727         gtk_widget_set_tooltip_text(GTK_WIDGET(slider), message->str);
 728         g_string_free(message, TRUE);
 729
 730 }
 731 static void bar_pane_gps_view_state_changed_cb(ChamplainView *view, GParamSpec *, gpointer data)
 732 {
 733         auto pgd = static_cast<PaneGPSData *>(data);
 734         ChamplainState status;
 735         gint zoom;
 736         GString *message;
 737
 738         g_object_get(G_OBJECT(view), "zoom-level", &zoom, NULL);
 739         message = g_string_new("");
 740         g_string_printf(message, _("Zoom level %i"), zoom);
 741
 742         g_object_get(G_OBJECT(view), "state", &status, NULL);
 743         if (status == CHAMPLAIN_STATE_LOADING)
 744                 {
 745                 gtk_label_set_text(GTK_LABEL(pgd->state), _("Loading map"));
 746                 }
 747         else
 748                 {
 749                 gtk_label_set_text(GTK_LABEL(pgd->state), message->str);
 750                 }
 751
 752         gtk_widget_set_tooltip_text(GTK_WIDGET(pgd->slider), message->str);
 753         gtk_scale_button_set_value(GTK_SCALE_BUTTON(pgd->slider), static_cast<gdouble>(zoom));
 754
 755         g_string_free(message, TRUE);
 756 }
 757
 758 static void bar_pane_gps_notify_cb(FileData *fd, NotifyType type, gpointer data)
 759 {
 760         auto pgd = static_cast<PaneGPSData *>(data);
 761
 762         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) &&
 763             g_list_find(pgd->selection_list, fd))
 764                 {
 765                 bar_pane_gps_update(pgd);
 766                 }
 767 }
 768
 769 static const gchar *bar_pane_gps_get_map_id(PaneGPSData *pgd)
 770 {
 771         const gchar *map_id;
 772         ChamplainMapSource *mapsource;
 773
 774         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 775         map_id = champlain_map_source_get_id(mapsource);
 776
 777         g_object_unref(mapsource);
 778
 779         return map_id;
 780 }
 781
 782 static GtkWidget *bar_pane_gps_menu(PaneGPSData *pgd)
 783 {
 784         GtkWidget *menu;
 785         GtkWidget *map_centre;
 786         ChamplainMapSourceFactory *map_factory;
 787         GSList *map_list;
 788         ChamplainMapSourceDesc *map_desc;
 789         const gchar *current;
 790
 791         menu = popup_menu_short_lived();
 792
 793         map_factory = champlain_map_source_factory_dup_default();
 794         map_list = champlain_map_source_factory_get_registered(map_factory);
 795         current = bar_pane_gps_get_map_id(pgd);
 796
 797         while (map_list)
 798                 {
 799                 map_desc = static_cast<ChamplainMapSourceDesc *>(map_list->data);
 800
 801                 menu_item_add_radio(menu,
 802                                     champlain_map_source_desc_get_name(map_desc),
 803                                     const_cast<gchar *>(champlain_map_source_desc_get_id(map_desc)),
 804                                     strcmp(champlain_map_source_desc_get_id(map_desc), current) == 0,
 805                                     G_CALLBACK(bar_pane_gps_change_map_cb), pgd);
 806
 807                 map_list = g_slist_next(map_list);
 808                 }
 809
 810         menu_item_add_divider(menu);
 811         menu_item_add_check(menu, _("Enable markers"), pgd->enable_markers_checked,
 812                             G_CALLBACK(bar_pane_gps_enable_markers_checked_toggle_cb), pgd);
 813         map_centre = menu_item_add_check(menu, _("Centre map on marker"), pgd->centre_map_checked,
 814                                          G_CALLBACK(bar_pane_gps_centre_map_checked_toggle_cb), pgd);
 815         if (!pgd->enable_markers_checked)
 816                 {
 817                 gtk_widget_set_sensitive(map_centre, FALSE);
 818                 }
 819
 820         g_slist_free(map_list);
 821         g_object_unref(map_factory);
 822
 823         return menu;
 824 }
 825
 826 /* Determine if the map is to be re-centred on the marker when another photo is selected
 827  */
 828 static void bar_pane_gps_map_centreing(PaneGPSData *pgd)
 829 {
 830         GenericDialog *gd;
 831         GString *message = g_string_new("");
 832
 833         if (pgd->centre_map_checked)
 834                 {
 835                 message = g_string_append(message, _("Move map centre to marker\n is disabled"));
 836                 pgd->centre_map_checked = FALSE;
 837                 }
 838         else
 839                 {
 840                 message = g_string_append(message, _("Move map centre to marker\n is enabled"));
 841                 pgd->centre_map_checked = TRUE;
 842                 }
 843
 844         gd = generic_dialog_new(_("Map centering"),
 845                                 "map_centering", nullptr, TRUE, nullptr, pgd);
 846         generic_dialog_add_message(gd, GQ_ICON_DIALOG_INFO,
 847                                 "Map Centering", message->str, TRUE);
 848         generic_dialog_add_button(gd, GQ_ICON_OK, "OK", nullptr, TRUE);
 849
 850         gtk_widget_show(gd->dialog);
 851
 852         g_string_free(message, TRUE);
 853 }
 854
 855 #ifdef HAVE_GTK4
 856 static gboolean bar_pane_gps_map_keypress_cb(GtkWidget *, GdkEventButton *bevent, gpointer data)
 857 {
 858 /* @FIXME GTK4 stub */
 859         return FALSE;
 860 }
 861 #else
 862 static gboolean bar_pane_gps_map_keypress_cb(GtkWidget *, GdkEventButton *bevent, gpointer data)
 863 {
 864         auto pgd = static_cast<PaneGPSData *>(data);
 865         GtkWidget *menu;
 866         GtkClipboard *clipboard;
 867         gchar *geo_coords;
 868
 869         if (bevent->button == MOUSE_BUTTON_RIGHT)
 870                 {
 871                 menu = bar_pane_gps_menu(pgd);
 872                 gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
 873                 return TRUE;
 874                 }
 875         else if (bevent->button == MOUSE_BUTTON_MIDDLE)
 876                 {
 877                 bar_pane_gps_map_centreing(pgd);
 878                 return TRUE;
 879                 }
 880         else if (bevent->button == MOUSE_BUTTON_LEFT)
 881                 {
 882                 clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 883                 geo_coords = g_strdup_printf("%lf %lf",
 884                                                         champlain_view_y_to_latitude(
 885                                                                 CHAMPLAIN_VIEW(pgd->gps_view),bevent->y),
 886                                                         champlain_view_x_to_longitude(
 887                                                                 CHAMPLAIN_VIEW(pgd->gps_view),bevent->x));
 888                 gtk_clipboard_set_text(clipboard, geo_coords, -1);
 889
 890                 g_free(geo_coords);
 891
 892                 return TRUE;
 893                 }
 894         else
 895                 {
 896                 return FALSE;
 897                 }
 898 }
 899 #endif
 900
 901 static void bar_pane_gps_destroy(GtkWidget *, gpointer data)
 902 {
 903         auto pgd = static_cast<PaneGPSData *>(data);
 904
 905         file_data_unregister_notify_func(bar_pane_gps_notify_cb, pgd);
 906
 907         g_idle_remove_by_data(pgd);
 908
 909         filelist_free(pgd->selection_list);
 910         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 911
 912         file_data_unref(pgd->fd);
 913         g_free(pgd->map_source);
 914         g_free(pgd->pane.id);
 915         clutter_actor_destroy(pgd->gps_view);
 916         g_free(pgd);
 917 }
 918
 919
 920 GtkWidget *bar_pane_gps_new(const gchar *id, const gchar *title, const gchar *map_id,
 921                                                 const gint zoom, const gdouble latitude, const gdouble longitude,
 922                                         gboolean expanded, gint height)
 923 {
 924         PaneGPSData *pgd;
 925         GtkWidget *vbox, *frame;
 926         GtkWidget *gpswidget;
 927         GtkWidget *status, *state, *progress, *slider;
 928         ChamplainMarkerLayer *layer;
 929         ChamplainView *view;
 930         const gchar *slider_list[] = {GQ_ICON_ZOOM_IN, GQ_ICON_ZOOM_OUT, nullptr};
 931         const gchar **slider_icons = slider_list;
 932
 933         pgd = g_new0(PaneGPSData, 1);
 934
 935         pgd->pane.pane_set_fd = bar_pane_gps_set_fd;
 936         pgd->pane.pane_notify_selection = bar_pane_gps_notify_selection;
 937         pgd->pane.pane_event = bar_pane_gps_event;
 938         pgd->pane.pane_write_config = bar_pane_gps_write_config;
 939         pgd->pane.title = bar_pane_expander_title(title);
 940         pgd->pane.id = g_strdup(id);
 941         pgd->pane.type = PANE_GPS;
 942         pgd->pane.expanded = expanded;
 943         pgd->height = height;
 944
 945         frame = gtk_frame_new(nullptr);
 946         DEBUG_NAME(frame);
 947         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 948
 949         gpswidget = gtk_champlain_embed_new();
 950         view = gtk_champlain_embed_get_view(GTK_CHAMPLAIN_EMBED(gpswidget));
 951
 952         gq_gtk_box_pack_start(GTK_BOX(vbox), gpswidget, TRUE, TRUE, 0);
 953         gtk_container_add(GTK_CONTAINER(frame), vbox);
 954
 955         status = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,0);
 956 #ifdef HAVE_GTK4
 957         slider = gtk_scale_button_new(1, 17, 1, slider_icons);
 958 #else
 959         slider = gtk_scale_button_new(GTK_ICON_SIZE_SMALL_TOOLBAR, 1, 17, 1, slider_icons);
 960 #endif
 961         gtk_widget_set_tooltip_text(slider, _("Zoom"));
 962         gtk_scale_button_set_value(GTK_SCALE_BUTTON(slider), static_cast<gdouble>(zoom));
 963
 964         progress = gtk_progress_bar_new();
 965         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "");
 966         gtk_progress_bar_set_show_text(GTK_PROGRESS_BAR(progress), TRUE);
 967
 968         state = gtk_label_new("");
 969         gtk_label_set_justify(GTK_LABEL(state), GTK_JUSTIFY_LEFT);
 970         gtk_label_set_ellipsize(GTK_LABEL(state), PANGO_ELLIPSIZE_START);
 971         gtk_widget_set_tooltip_text(state, _("Zoom level"));
 972
 973         gq_gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(slider), FALSE, FALSE, 0);
 974         gq_gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(state), FALSE, FALSE, 5);
 975         gq_gtk_box_pack_end(GTK_BOX(status), GTK_WIDGET(progress), FALSE, FALSE, 0);
 976         gq_gtk_box_pack_end(GTK_BOX(vbox),GTK_WIDGET(status), FALSE, FALSE, 0);
 977
 978         layer = champlain_marker_layer_new();
 979         champlain_view_add_layer(view, CHAMPLAIN_LAYER(layer));
 980
 981         pgd->icon_layer = layer;
 982         pgd->gps_view = CLUTTER_ACTOR(view);
 983         pgd->widget = frame;
 984         pgd->progress = progress;
 985         pgd->slider = slider;
 986         pgd->state = state;
 987
 988         bar_pane_gps_set_map_source(pgd, map_id);
 989
 990         g_object_set(G_OBJECT(view), "kinetic-mode", TRUE,
 991                                      "zoom-level", zoom,
 992                                      "keep-center-on-resize", TRUE,
 993                                      "deceleration", 1.1,
 994                                      "zoom-on-double-click", FALSE,
 995                                      "max-zoom-level", 17,
 996                                      "min-zoom-level", 1,
 997                                      NULL);
 998         champlain_view_center_on(view, latitude, longitude);
 999         pgd->centre_map_checked = TRUE;
1000         g_object_set_data(G_OBJECT(pgd->widget), "pane_data", pgd);
1001         g_signal_connect(G_OBJECT(pgd->widget), "destroy", G_CALLBACK(bar_pane_gps_destroy), pgd);
1002
1003         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1004
1005         gtk_widget_set_size_request(pgd->widget, -1, height);
1006
1007         g_signal_connect(G_OBJECT(gpswidget), "button_press_event", G_CALLBACK(bar_pane_gps_map_keypress_cb), pgd);
1008         g_signal_connect(pgd->gps_view, "notify::state", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
1009         g_signal_connect(pgd->gps_view, "notify::zoom-level", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
1010         g_signal_connect(G_OBJECT(slider), "value-changed", G_CALLBACK(bar_pane_gps_slider_changed_cb), pgd);
1011
1012         bar_pane_gps_dnd_init(pgd);
1013
1014         file_data_register_notify_func(bar_pane_gps_notify_cb, pgd, NOTIFY_PRIORITY_LOW);
1015
1016         pgd->create_markers_id = 0;
1017         pgd->enable_markers_checked = TRUE;
1018         pgd->centre_map_checked = TRUE;
1019
1020         return pgd->widget;
1021 }
1022
1023 GtkWidget *bar_pane_gps_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
1024 {
1025         gchar *title = g_strdup(_("GPS Map"));
1026         gchar *map_id = nullptr;
1027         gboolean expanded = TRUE;
1028         gint height = 350;
1029         gint zoom = 7;
1030         gdouble latitude;
1031         gdouble longitude;
1032         /* Latitude and longitude are stored in the config file as an integer of
1033          * (actual value * 1,000,000). There is no READ_DOUBLE utility function.
1034          */
1035         gint int_latitude = 54000000;
1036         gint int_longitude = -4000000;
1037         gchar *id = g_strdup("gps");
1038         GtkWidget *ret;
1039
1040         while (*attribute_names)
1041                 {
1042                 const gchar *option = *attribute_names++;
1043                 const gchar *value = *attribute_values++;
1044
1045                 if (READ_CHAR_FULL("title", title))
1046                         continue;
1047                 if (READ_CHAR_FULL("map-id", map_id))
1048                         continue;
1049                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 20))
1050                         continue;
1051                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
1052                         continue;
1053                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
1054                         continue;
1055                 if (READ_BOOL_FULL("expanded", expanded))
1056                         continue;
1057                 if (READ_INT_FULL("height", height))
1058                         continue;
1059                 if (READ_CHAR_FULL("id", id))
1060                         continue;
1061
1062                 log_printf("unknown attribute %s = %s\n", option, value);
1063                 }
1064
1065         bar_pane_translate_title(PANE_COMMENT, id, &title);
1066         latitude = static_cast<gdouble>(int_latitude) / 1000000;
1067         longitude = static_cast<gdouble>(int_longitude) / 1000000;
1068         ret = bar_pane_gps_new(id, title, map_id, zoom, latitude, longitude, expanded, height);
1069         g_free(title);
1070         g_free(map_id);
1071         g_free(id);
1072         return ret;
1073 }
1074
1075 void bar_pane_gps_update_from_config(GtkWidget *pane, const gchar **attribute_names,
1076                                                                                 const gchar **attribute_values)
1077 {
1078         PaneGPSData *pgd;
1079         gint zoom;
1080         gint int_longitude, int_latitude;
1081         gdouble longitude, latitude;
1082
1083         pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
1084         if (!pgd)
1085                 return;
1086
1087         gchar *title = nullptr;
1088
1089         while (*attribute_names)
1090         {
1091                 const gchar *option = *attribute_names++;
1092                 const gchar *value = *attribute_values++;
1093
1094                 if (READ_CHAR_FULL("title", title))
1095                         continue;
1096                 if (READ_CHAR_FULL("map-id", pgd->map_source))
1097                         continue;
1098                 if (READ_BOOL_FULL("expanded", pgd->pane.expanded))
1099                         continue;
1100                 if (READ_INT_FULL("height", pgd->height))
1101                         continue;
1102                 if (READ_CHAR_FULL("id", pgd->pane.id))
1103                         continue;
1104                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
1105                         {
1106                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", zoom, NULL);
1107                         continue;
1108                         }
1109                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
1110                         {
1111                         longitude = int_longitude / 1000000;
1112                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "longitude", longitude, NULL);
1113                         continue;
1114                         }
1115                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
1116                         {
1117                         latitude = int_latitude / 1000000;
1118                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "latitude", latitude, NULL);
1119                         continue;
1120                         }
1121                 log_printf("unknown attribute %s = %s\n", option, value);
1122         }
1123
1124         if (title)
1125                 {
1126                 bar_pane_translate_title(PANE_COMMENT, pgd->pane.id, &title);
1127                 gtk_label_set_text(GTK_LABEL(pgd->pane.title), title);
1128                 g_free(title);
1129                 }
1130
1131         gtk_widget_set_size_request(pgd->widget, -1, pgd->height);
1132         bar_update_expander(pane);
1133 }
1134
1135 #endif
1136 #endif
1137
1138 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */