src/bar_gps.c

   1 /*
   2  * Geeqie
   3  * (C) 2004 John Ellis
   4  * Copyright (C) 2008 - 2009 The Geeqie Team
   5  *
   6  * Author: Colin Clark
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13 #include "main.h"
  14 #ifdef HAVE_LIBCHAMPLAIN
  15 #ifdef HAVE_LIBCHAMPLAIN_GTK
  16
  17 #include "bar_gps.h"
  18
  19 #include "bar.h"
  20 #include "filedata.h"
  21 #include "layout.h"
  22 #include "metadata.h"
  23 #include "menu.h"
  24 #include "rcfile.h"
  25 #include "thumb.h"
  26 #include "ui_menu.h"
  27
  28 #include <clutter-gtk/gtk-clutter-embed.h>
  29 #include <champlain/champlain.h>
  30 #include <champlain-gtk/champlain-gtk.h>
  31
  32 #define MARKER_COLOUR 0x00, 0x00, 0xff, 0xff
  33 #define TEXT_COLOUR 0x00, 0x00, 0x00, 0xff
  34 #define THUMB_COLOUR 0xff, 0xff, 0xff, 0xff
  35 #define THUMB_SIZE 100
  36
  37 /*
  38  *-------------------------------------------------------------------
  39  * GPS Map utils
  40  *-------------------------------------------------------------------
  41  */
  42
  43 typedef struct _PaneGPSData PaneGPSData;
  44 struct _PaneGPSData
  45 {
  46         PaneData pane;
  47         GtkWidget *widget;
  48         FileData *fd;
  49         gchar *map_source;
  50         gint height;
  51         ClutterActor *gps_view;
  52         ChamplainLayer *icon_layer;
  53         GList *selection_list;
  54         GPtrArray *marker_list;
  55         guint create_markers_id;
  56         GtkWidget *progress;
  57         GtkWidget *slider;
  58         GtkWidget *state;
  59         gint selection_count;
  60         gboolean centre_map_checked;
  61         gboolean enable_markers_checked;
  62 };
  63
  64 static void bar_pane_gps_thumb_done_cb(ThumbLoader *tl, gpointer data)
  65 {
  66         FileData *fd;
  67         ClutterActor *marker;
  68         ClutterActor *actor;
  69
  70         marker = CLUTTER_ACTOR(data);
  71         fd = g_object_get_data(G_OBJECT(marker), "file_fd");
  72         if (fd->thumb_pixbuf != NULL)
  73                 {
  74                 actor = clutter_texture_new();
  75                 gtk_clutter_texture_set_from_pixbuf(CLUTTER_TEXTURE(actor), fd->thumb_pixbuf);
  76                 champlain_marker_set_image(CHAMPLAIN_MARKER(marker), actor);
  77                 }
  78         thumb_loader_free(tl);
  79 }
  80
  81 static void bar_pane_gps_thumb_error_cb(ThumbLoader *tl, gpointer data)
  82 {
  83         thumb_loader_free(tl);
  84 }
  85
  86 static gboolean bar_pane_gps_marker_keypress_cb(GtkWidget *widget, ClutterButtonEvent *bevent, gpointer data)
  87 {
  88         //PaneGPSData *pgd = data;
  89         FileData *fd;
  90         ClutterActor *marker;
  91         ClutterColor marker_colour = { MARKER_COLOUR };
  92         ClutterColor text_colour = { TEXT_COLOUR };
  93         ClutterColor thumb_colour = { THUMB_COLOUR };
  94         gchar *current_text;
  95         ClutterActor *actor;
  96         ClutterActor *current_image;
  97         GString *text;
  98         gint height, width, rotate;
  99         gchar *altitude = NULL;
 100         ThumbLoader *tl;
 101
 102         if (bevent->button == MOUSE_BUTTON_LEFT)
 103                 {
 104                 marker = CLUTTER_ACTOR(widget);
 105                 fd = g_object_get_data(G_OBJECT(marker), "file_fd");
 106
 107                 /* If the marker is showing a thumbnail, delete it
 108                  */
 109                 current_image = champlain_marker_get_image(CHAMPLAIN_MARKER(marker));
 110                 if (current_image != NULL)
 111                         {
 112                         clutter_actor_destroy(CLUTTER_ACTOR(current_image));
 113                         champlain_marker_set_image(CHAMPLAIN_MARKER(marker), NULL);
 114                         }
 115
 116                 current_text = g_strdup(champlain_marker_get_text(CHAMPLAIN_MARKER(marker)));
 117
 118                 /* If the marker is showing only the text character, replace it with a
 119                  * thumbnail and date and altitude
 120                  */
 121                 if (g_strcmp0(current_text, "i") == 0)
 122                         {
 123                         /* If a thumbail has already been generated, use that. If not try the pixbuf of the full image.
 124                          * If not, call the thumb_loader to generate a thumbnail and update the marker later in the
 125                          * thumb_loader callback
 126                          */
 127                          if (fd->thumb_pixbuf != NULL)
 128                                 {
 129                                 actor = clutter_texture_new();
 130                                 gtk_clutter_texture_set_from_pixbuf(CLUTTER_TEXTURE(actor), fd->thumb_pixbuf);
 131                                 champlain_marker_set_image(CHAMPLAIN_MARKER(marker), actor);
 132                                 }
 133                         else if (fd->pixbuf != NULL)
 134                                 {
 135                                 actor = clutter_texture_new();
 136                                 width = gdk_pixbuf_get_width (fd->pixbuf);
 137                                 height = gdk_pixbuf_get_height (fd->pixbuf);
 138                                 switch (fd->exif_orientation)
 139                                         {
 140                                         case 8:
 141                                                 rotate = GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE;
 142                                                 break;
 143                                         case 3:
 144                                                 rotate = GDK_PIXBUF_ROTATE_UPSIDEDOWN;
 145                                                 break;
 146                                         case 6:
 147                                                 rotate = GDK_PIXBUF_ROTATE_CLOCKWISE;
 148                                                 break;
 149                                         default:
 150                                                 rotate = GDK_PIXBUF_ROTATE_NONE;
 151                                         }
 152
 153                                         gtk_clutter_texture_set_from_pixbuf(CLUTTER_TEXTURE(actor),
 154                                                                                 gdk_pixbuf_rotate_simple(gdk_pixbuf_scale_simple(fd->pixbuf, THUMB_SIZE, height * THUMB_SIZE / width,
 155                                                                                 GDK_INTERP_NEAREST), rotate));
 156                                         champlain_marker_set_image(CHAMPLAIN_MARKER(marker), actor);
 157                                 }
 158                         else
 159                                 {
 160                                 tl = thumb_loader_new(THUMB_SIZE, THUMB_SIZE);
 161                                 thumb_loader_set_callbacks(tl,
 162                                                                                         bar_pane_gps_thumb_done_cb,
 163                                                                                         bar_pane_gps_thumb_error_cb,
 164                                                                                         NULL,
 165                                                                                         marker);
 166                                 thumb_loader_start(tl, fd);
 167                                 }
 168
 169                         text = g_string_new(fd->name);
 170                         g_string_append(text, "\n");
 171                         g_string_append(text, text_from_time(fd->date));
 172                         g_string_append(text, "\n");
 173                         altitude = metadata_read_string(fd, "formatted.GPSAltitude", METADATA_FORMATTED);
 174                         if (altitude != NULL)
 175                                 {
 176                                 g_string_append(text, altitude);
 177                                 }
 178
 179                         champlain_marker_set_text(CHAMPLAIN_MARKER(marker), text->str);
 180                         champlain_marker_set_color(CHAMPLAIN_MARKER(marker), &thumb_colour);
 181                         champlain_marker_set_text_color(CHAMPLAIN_MARKER(marker), &text_colour);
 182                         champlain_marker_set_font_name(CHAMPLAIN_MARKER(marker), "sans 8");
 183
 184                         g_free(altitude);
 185                         g_string_free(text, TRUE);
 186                         }
 187                 /* otherwise, revert to the hidden text marker
 188                  */
 189                 else
 190                         {
 191                         champlain_marker_set_text(CHAMPLAIN_MARKER(marker), "i");
 192                         champlain_marker_set_color(CHAMPLAIN_MARKER(marker), &marker_colour);
 193                         champlain_marker_set_text_color(CHAMPLAIN_MARKER(marker), &marker_colour);
 194                         champlain_marker_set_font_name(CHAMPLAIN_MARKER(marker), "courier 5");
 195                         }
 196
 197                 g_free(current_text);
 198
 199                 return TRUE;
 200                 }
 201         return TRUE;
 202 }
 203
 204 static gboolean bar_pane_gps_create_markers_cb(gpointer data)
 205 {
 206         PaneGPSData *pgd = data;
 207         gdouble latitude;
 208         gdouble longitude;
 209         GList *work;
 210         ClutterActor *marker;
 211         FileData *fd;
 212         ClutterColor marker_colour = { MARKER_COLOUR };
 213         GString *message;
 214
 215         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress),
 216                                                         (gdouble)(pgd->selection_count - g_list_length(pgd->selection_list)) /
 217                                                         (gdouble)pgd->selection_count);
 218
 219         message = g_string_new("");
 220         g_string_printf(message, "%i/%i", (pgd->selection_count - g_list_length(pgd->selection_list)),
 221                                                                                                                                                         pgd->selection_count);
 222         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), message->str);
 223         g_string_free(message, TRUE);
 224
 225         work = pgd->selection_list;
 226         while (work)
 227                 {
 228                 fd = work->data;
 229                 pgd->selection_list = g_list_remove(pgd->selection_list, work->data);
 230                 if (fd != NULL)
 231                         {
 232                         latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 1000);
 233                         longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 1000);
 234
 235                         if ((latitude != 1000) && (longitude != 1000))
 236                                 {
 237                                 marker = champlain_marker_new_with_text("i","courier 5", &marker_colour, &marker_colour);
 238
 239                                 champlain_base_marker_set_position(CHAMPLAIN_BASE_MARKER(marker), latitude, longitude);
 240                                 clutter_container_add(CLUTTER_CONTAINER(pgd->icon_layer), marker, NULL);
 241                                 clutter_actor_set_reactive(marker, TRUE);
 242
 243                                 g_signal_connect(G_OBJECT(marker), "button_press_event",
 244                                                                                 G_CALLBACK(bar_pane_gps_marker_keypress_cb), pgd);
 245
 246                                 g_object_set_data(G_OBJECT(marker), "file_fd", fd);
 247
 248                                 g_ptr_array_add(pgd->marker_list, marker);
 249                                 if (pgd->centre_map_checked)
 250                                         {
 251                                         g_ptr_array_add(pgd->marker_list, NULL);
 252                                         champlain_view_ensure_markers_visible(CHAMPLAIN_VIEW(pgd->gps_view),
 253                                                                                                         (void *)pgd->marker_list->pdata, FALSE);
 254                                         g_ptr_array_remove(pgd->marker_list, NULL);
 255                                         }
 256                                 }
 257                         }
 258                 return TRUE;
 259                 }
 260
 261         if (pgd->marker_list->len >= 1)
 262                 {
 263                 g_ptr_array_add(pgd->marker_list, NULL);
 264
 265                 if (pgd->centre_map_checked)
 266                         {
 267                         champlain_view_ensure_markers_visible(CHAMPLAIN_VIEW(pgd->gps_view), (void *)pgd->marker_list->pdata, FALSE);
 268                         }
 269                 }
 270
 271         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress), 0);
 272         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), NULL);
 273         g_list_free(pgd->selection_list);
 274         g_ptr_array_free(pgd->marker_list, TRUE);
 275         pgd->create_markers_id = 0;
 276
 277         return FALSE;
 278 }
 279
 280 static void bar_pane_gps_update(PaneGPSData *pgd)
 281 {
 282         GList *list;
 283         GList *work;
 284
 285         /* The widget does not have a parent during bar_pane_gps_new, so calling gtk_widget_show_all there gives a
 286          * "Gtk-CRITICAL **: gtk_widget_realize: assertion `GTK_WIDGET_ANCHORED (widget) || GTK_IS_INVISIBLE (widget)' failed"
 287          * error. gtk_widget_show_all can be given after it has been added to the bar.
 288          */
 289         if (gtk_widget_get_parent(pgd->widget) != NULL)
 290                 gtk_widget_show_all(pgd->widget);
 291
 292         /* If a create-marker background process is running, kill it
 293          * and start again
 294          */
 295         if (pgd->create_markers_id != 0)
 296                 {
 297                 if (g_idle_remove_by_data(pgd))
 298                         {
 299                         pgd->create_markers_id = 0;
 300                         }
 301                 else
 302                         {
 303                         return;
 304                         }
 305                 }
 306
 307         /* Delete any markers currently displayed
 308          */
 309         work = clutter_container_get_children(CLUTTER_CONTAINER(pgd->icon_layer));
 310         while (work)
 311                 {
 312                 clutter_container_remove(CLUTTER_CONTAINER(pgd->icon_layer), work->data, NULL);
 313                 work = work->next;
 314                 }
 315         g_list_free(work);
 316
 317         if (!pgd->enable_markers_checked)
 318                 {
 319                 return;
 320                 }
 321
 322         /* For each selected photo that has GPS data, create a marker containing
 323          * a single, small text character the same colour as the marker background.
 324          * Use a background process in case the user selects a large number of files.
 325          */
 326         list = layout_selection_list(pgd->pane.lw);
 327
 328         if (list != NULL)
 329                 {
 330                 pgd->selection_list = g_list_copy(list);
 331                 pgd->marker_list = g_ptr_array_new();
 332                 pgd->selection_count = g_list_length(pgd->selection_list);
 333                 pgd->create_markers_id = g_idle_add(bar_pane_gps_create_markers_cb, pgd);
 334                 }
 335
 336         g_list_free(list);
 337         g_list_free(work);
 338 }
 339
 340 void bar_pane_gps_set_map_source(PaneGPSData *pgd, const gchar *map_id)
 341 {
 342         ChamplainMapSource *map_source;
 343         ChamplainMapSourceFactory *map_factory;
 344
 345         map_factory = champlain_map_source_factory_get_default();
 346         map_source = champlain_map_source_factory_create(map_factory, map_id);
 347
 348         if (map_source != NULL)
 349                 {
 350                 g_object_set(G_OBJECT(pgd->gps_view), "map-source", map_source, NULL);
 351                 g_object_unref(map_factory);
 352                 }
 353
 354         g_object_unref(map_source);
 355 }
 356
 357 void bar_pane_gps_enable_markers_checked_toggle_cb(GtkWidget *menu_widget, gpointer data)
 358 {
 359         PaneGPSData *pgd = data;
 360
 361         if (pgd->enable_markers_checked)
 362                 {
 363                 pgd->enable_markers_checked = FALSE;
 364                 }
 365         else
 366                 {
 367                 pgd->enable_markers_checked = TRUE;
 368                 }
 369 }
 370
 371 static void bar_pane_gps_centre_map_checked_toggle_cb(GtkWidget *menu_widget, gpointer data)
 372 {
 373         PaneGPSData *pgd = data;
 374
 375         if (pgd->centre_map_checked)
 376                 {
 377                 pgd->centre_map_checked = FALSE;
 378                 }
 379         else
 380                 {
 381                 pgd->centre_map_checked = TRUE;
 382                 }
 383 }
 384
 385 static void bar_pane_gps_change_map_cb(GtkWidget *widget, gpointer data)
 386 {
 387         PaneGPSData *pgd;
 388         gchar *mapsource;
 389
 390         if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget)))
 391                 return;
 392
 393         pgd = (PaneGPSData *) submenu_item_get_data(widget);
 394
 395         if (!pgd) return;
 396
 397         mapsource = data;
 398         bar_pane_gps_set_map_source(pgd, mapsource);
 399 }
 400
 401 static void bar_pane_gps_notify_selection(GtkWidget *bar, gint count)
 402 {
 403         PaneGPSData *pgd;
 404
 405         if (count == 0) return;
 406
 407         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 408         if (!pgd) return;
 409
 410         bar_pane_gps_update(pgd);
 411 }
 412
 413 static void bar_pane_gps_set_fd(GtkWidget *bar, FileData *fd)
 414 {
 415         PaneGPSData *pgd;
 416
 417         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 418         if (!pgd) return;
 419
 420         file_data_unref(pgd->fd);
 421         pgd->fd = file_data_ref(fd);
 422
 423         bar_pane_gps_update(pgd);
 424 }
 425
 426 static gint bar_pane_gps_event(GtkWidget *bar, GdkEvent *event)
 427 {
 428         PaneGPSData *pgd;
 429
 430         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 431         if (!pgd) return FALSE;
 432
 433         if (GTK_WIDGET_HAS_FOCUS(pgd->widget)) return gtk_widget_event(GTK_WIDGET(pgd->widget), event);
 434
 435         return FALSE;
 436 }
 437
 438 static void bar_pane_gps_write_config(GtkWidget *pane, GString *outstr, gint indent)
 439 {
 440         PaneGPSData *pgd;
 441         gint zoom;
 442         ChamplainMapSource *mapsource;
 443         const gchar *map_id;
 444         gchar *str = NULL;
 445         GString *buffer = g_string_new(str);
 446         gdouble position;
 447         gint int_position;
 448
 449         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 450         if (!pgd) return;
 451
 452         WRITE_NL();
 453         WRITE_STRING("<pane_gps ");
 454         write_char_option(outstr, indent, "id", pgd->pane.id);
 455         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(pgd->pane.title)));
 456         WRITE_BOOL(pgd->pane, expanded);
 457         WRITE_INT(*pgd, height);
 458         indent++;
 459
 460         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 461         map_id = champlain_map_source_get_id(mapsource);
 462         WRITE_NL();
 463         write_char_option(outstr, indent, "map-id", map_id);
 464
 465         g_object_get(G_OBJECT(pgd->gps_view), "zoom-level", &zoom, NULL);
 466         g_string_printf(buffer, "%d", zoom);
 467         WRITE_NL();
 468         write_char_option(outstr, indent, "zoom-level", buffer->str);
 469
 470         g_object_get(G_OBJECT(pgd->gps_view), "latitude", &position, NULL);
 471         int_position = position * 1000000;
 472         g_string_printf(buffer, "%i", int_position);
 473         WRITE_NL();
 474         write_char_option(outstr, indent, "latitude", buffer->str);
 475
 476         g_object_get(G_OBJECT(pgd->gps_view), "longitude", &position, NULL);
 477         int_position = position * 1000000;
 478         g_string_printf(buffer, "%i", int_position);
 479         WRITE_NL();
 480         write_char_option(outstr, indent, "longitude", buffer->str);
 481
 482         indent--;
 483         WRITE_NL();
 484         WRITE_STRING("/>");
 485
 486   g_object_unref(mapsource);
 487
 488 }
 489
 490 static void bar_pane_gps_slider_changed_cb(GtkScaleButton *slider,
 491                                                                                                         gdouble zoom,
 492                                                                                                         gpointer data)
 493 {
 494         PaneGPSData *pgd = data;
 495         GString *message;
 496
 497         message = g_string_new("");
 498         g_string_printf(message, _("Zoom %i"), (gint)zoom);
 499
 500         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", (gint)zoom, NULL);
 501         gtk_widget_set_tooltip_text(GTK_WIDGET(slider), message->str);
 502         g_string_free(message, TRUE);
 503
 504 }
 505 static void bar_pane_gps_view_state_changed_cb(ChamplainView *view,
 506                                                                                                 GParamSpec *gobject,
 507                                                                                                 gpointer data)
 508 {
 509         PaneGPSData *pgd = data;
 510         ChamplainState status;
 511         gint zoom;
 512         GString *message;
 513
 514         g_object_get(G_OBJECT(view), "zoom-level", &zoom, NULL);
 515         message = g_string_new("");
 516         g_string_printf(message, _("Zoom level %i"), zoom);
 517
 518         g_object_get(G_OBJECT(view), "state", &status, NULL);
 519         if (status == CHAMPLAIN_STATE_LOADING)
 520                 {
 521                 gtk_label_set_text(GTK_LABEL(pgd->state), _("Loading map"));
 522                 }
 523         else
 524                 {
 525                 gtk_label_set_text(GTK_LABEL(pgd->state), message->str);
 526                 }
 527
 528         gtk_widget_set_tooltip_text(GTK_WIDGET(pgd->slider), message->str);
 529         gtk_scale_button_set_value(GTK_SCALE_BUTTON(pgd->slider), (gdouble)zoom);
 530
 531         g_string_free(message, TRUE);
 532 }
 533
 534 static void bar_pane_gps_notify_cb(FileData *fd, NotifyType type, gpointer data)
 535 {
 536         PaneGPSData *pgd = data;
 537
 538         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) && fd == pgd->fd)
 539                 {
 540                 bar_pane_gps_update(pgd);
 541                 }
 542 }
 543
 544 const gchar *bar_pane_gps_get_map_id(PaneGPSData *pgd)
 545 {
 546         const gchar *map_id;
 547         ChamplainMapSource *mapsource;
 548
 549         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 550         map_id = champlain_map_source_get_id(mapsource);
 551
 552         g_object_unref(mapsource);
 553
 554         return map_id;
 555 }
 556
 557 static GtkWidget *bar_pane_gps_add_radio(GtkWidget *menu, GtkWidget *parent,
 558                                                                         const gchar *label, GCallback func, gchar *value,
 559                                                                         gboolean show_current, const gchar *current_value)
 560 {
 561         GtkWidget *item;
 562
 563         if (show_current)
 564                 {
 565                 item = menu_item_add_radio(menu, parent,
 566                                                 label, (g_strcmp0(value, current_value) == 0), func, value);
 567                 }
 568                 else
 569                 {
 570                 item = menu_item_add(menu, label, func, value);
 571                 }
 572
 573         return item;
 574 }
 575
 576 static GtkWidget *bar_pane_gps_menu(PaneGPSData *pgd)
 577 {
 578         GtkWidget *menu;
 579         GtkWidget *map_centre;
 580         static gboolean show_current = TRUE;
 581         GtkWidget *parent;
 582         ChamplainMapSourceFactory *map_factory;
 583         GSList *map_list;
 584         ChamplainMapSourceDesc *map_desc;
 585
 586         menu = popup_menu_short_lived();
 587
 588         map_factory = champlain_map_source_factory_get_default();
 589         map_list = champlain_map_source_factory_get_list(map_factory);
 590         map_desc = (ChamplainMapSourceDesc *)(map_list->data);
 591         map_list = g_slist_next(map_list);
 592
 593         g_object_set_data(G_OBJECT(menu), "submenu_data", pgd);
 594
 595         parent = bar_pane_gps_add_radio(menu, NULL, (map_desc->name),  G_CALLBACK(bar_pane_gps_change_map_cb), map_desc->id, show_current, bar_pane_gps_get_map_id(pgd));
 596
 597         while (map_list)
 598                 {
 599             map_desc = (ChamplainMapSourceDesc *)(map_list->data);
 600                 bar_pane_gps_add_radio(menu, parent, (map_desc->name), G_CALLBACK(bar_pane_gps_change_map_cb), map_desc->id,
 601                                                                                         show_current, bar_pane_gps_get_map_id(pgd));
 602                 map_list = g_slist_next(map_list);
 603                 }
 604
 605         menu_item_add_divider(menu);
 606         menu_item_add_check(menu, _("Enable markers"), pgd->enable_markers_checked,
 607                                                                                         G_CALLBACK(bar_pane_gps_enable_markers_checked_toggle_cb), pgd);
 608         map_centre = menu_item_add_check(menu, _("Centre map on marker"), pgd->centre_map_checked,
 609                                                                                         G_CALLBACK(bar_pane_gps_centre_map_checked_toggle_cb), pgd);
 610         if (!pgd->enable_markers_checked)
 611                 {
 612                 gtk_widget_set_sensitive(map_centre, FALSE);
 613                 }
 614
 615         g_slist_free(map_list);
 616         g_object_unref(map_factory);
 617         //g_object_unref(map_centre);
 618
 619         return menu;
 620 }
 621
 622 /* Determine if the map is to be re-centred on the marker when another photo is selected
 623  */
 624 void bar_pane_gps_map_centreing(PaneGPSData *pgd)
 625 {
 626         GtkWidget *dialog;
 627         GString *message = g_string_new("");
 628
 629         if (pgd->centre_map_checked)
 630                 {
 631                 message = g_string_append(message, _("Move map centre to marker\n is disabled"));
 632                 pgd->centre_map_checked = FALSE;
 633                 }
 634         else
 635                 {
 636                 message = g_string_append(message, _("Move map centre to marker\n is enabled"));
 637                 pgd->centre_map_checked = TRUE;
 638                 }
 639
 640         dialog = gtk_message_dialog_new(NULL,
 641                                                           GTK_DIALOG_DESTROY_WITH_PARENT,
 642                                                           GTK_MESSAGE_INFO,
 643                                                           GTK_BUTTONS_CLOSE,
 644                                                           "%s", message->str);
 645         gtk_window_set_title(GTK_WINDOW(dialog), _("Map Centreing"));
 646         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_MOUSE);
 647         gtk_dialog_run(GTK_DIALOG(dialog));
 648
 649         gtk_widget_destroy(dialog);
 650         g_string_free(message, TRUE);
 651 }
 652
 653 static gboolean bar_pane_gps_map_keypress_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 654 {
 655         PaneGPSData *pgd = data;
 656         GtkWidget *menu;
 657
 658         if (bevent->button == MOUSE_BUTTON_RIGHT)
 659                 {
 660                 menu = bar_pane_gps_menu(pgd);
 661                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, bevent->button, bevent->time);
 662                 return TRUE;
 663                 }
 664         else if (bevent->button == MOUSE_BUTTON_MIDDLE)
 665                 {
 666                 bar_pane_gps_map_centreing(pgd);
 667                 return TRUE;
 668                 }
 669         else if (bevent->button == MOUSE_BUTTON_LEFT)
 670                 {
 671                 return FALSE;
 672                 }
 673         else
 674                 {
 675                 return FALSE;
 676                 }
 677 }
 678
 679 static void bar_pane_gps_destroy(GtkWidget *widget, gpointer data)
 680 {
 681         PaneGPSData *pgd = data;
 682
 683         file_data_unregister_notify_func(bar_pane_gps_notify_cb, pgd);
 684
 685         file_data_unref(pgd->fd);
 686         g_free(pgd->map_source);
 687         g_free(pgd->pane.id);
 688         clutter_actor_destroy(pgd->gps_view);
 689         g_free(pgd);
 690 }
 691
 692
 693 GtkWidget *bar_pane_gps_new(const gchar *id, const gchar *title, const gchar *map_id,
 694                                                 const gint zoom, const gdouble latitude, const gdouble longitude,
 695                                         gboolean expanded, gint height)
 696 {
 697         PaneGPSData *pgd;
 698         GtkWidget *vbox, *scrolled;
 699         GtkWidget *gpswidget, *viewport;
 700         GtkWidget *status, *state, *progress, *slider;
 701         ChamplainLayer *layer;
 702         ClutterActor *view;
 703         const gchar *slider_list[] = {GTK_STOCK_ZOOM_IN, GTK_STOCK_ZOOM_OUT, NULL};
 704         const gchar **slider_icons = slider_list;
 705
 706         pgd = g_new0(PaneGPSData, 1);
 707
 708         pgd->pane.pane_set_fd = bar_pane_gps_set_fd;
 709         pgd->pane.pane_notify_selection = bar_pane_gps_notify_selection;
 710         pgd->pane.pane_event = bar_pane_gps_event;
 711         pgd->pane.pane_write_config = bar_pane_gps_write_config;
 712         pgd->pane.title = bar_pane_expander_title(title);
 713         pgd->pane.id = g_strdup(id);
 714         pgd->pane.type = PANE_GPS;
 715         pgd->pane.expanded = expanded;
 716         pgd->height = height;
 717
 718         scrolled = gtk_scrolled_window_new(NULL, NULL);
 719         vbox = gtk_vbox_new(FALSE, 0);
 720         view = champlain_view_new();
 721         gpswidget = champlain_view_embed_new(CHAMPLAIN_VIEW(view));
 722         viewport = gtk_viewport_new(NULL, NULL);
 723
 724         gtk_container_add(GTK_CONTAINER(viewport), gpswidget);
 725         gtk_box_pack_start(GTK_BOX(vbox),viewport, TRUE, TRUE, 0);
 726         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolled), vbox);
 727
 728         status = gtk_hbox_new(FALSE,0);
 729         slider = gtk_scale_button_new(GTK_ICON_SIZE_SMALL_TOOLBAR, 1, 17, 1, slider_icons);
 730         gtk_widget_set_tooltip_text(slider, "Zoom");
 731         gtk_scale_button_set_value(GTK_SCALE_BUTTON(slider), (gdouble)zoom);
 732
 733         progress = gtk_progress_bar_new();
 734         state = gtk_label_new("");
 735         gtk_label_set_justify(GTK_LABEL(state), GTK_JUSTIFY_CENTER);
 736
 737         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(slider), FALSE, FALSE, 0);
 738         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(state), FALSE, FALSE, 5);
 739         gtk_box_pack_end(GTK_BOX(status), GTK_WIDGET(progress), FALSE, FALSE, 0);
 740         gtk_box_pack_end(GTK_BOX(vbox),GTK_WIDGET(status), FALSE, FALSE, 0);
 741
 742         layer = champlain_layer_new();
 743         champlain_view_add_layer(CHAMPLAIN_VIEW(view), layer);
 744
 745         pgd->icon_layer = layer;
 746         pgd->gps_view = view;
 747         pgd->widget = scrolled;
 748         pgd->progress = progress;
 749         pgd->slider = slider;
 750         pgd->state = state;
 751
 752         bar_pane_gps_set_map_source(pgd, map_id);
 753
 754         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(view)), "scroll-mode", CHAMPLAIN_SCROLL_MODE_KINETIC,
 755                                                                                                 "zoom-level", zoom,
 756                                                                                                 "keep-center-on-resize", TRUE,
 757                                                                                                 "decel-rate", 1.0,
 758                                                                                                 "show-license", TRUE,
 759                                                                                                 "zoom-on-double-click", FALSE,
 760                                                                                                 "max-zoom-level", 17,
 761                                                                                                 "min-zoom-level", 1,
 762                                                                                                 NULL);
 763         champlain_view_center_on(CHAMPLAIN_VIEW(view), latitude, longitude);
 764         pgd->centre_map_checked = TRUE;
 765         g_object_set_data(G_OBJECT(pgd->widget), "pane_data", pgd);
 766         g_signal_connect(G_OBJECT(pgd->widget), "destroy", G_CALLBACK(bar_pane_gps_destroy), pgd);
 767
 768         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
 769         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
 770
 771         gtk_widget_set_size_request(pgd->widget, -1, height);
 772
 773         clutter_set_motion_events_enabled(TRUE);
 774         g_signal_connect(G_OBJECT(vbox), "button_press_event", G_CALLBACK(bar_pane_gps_map_keypress_cb), pgd);
 775         g_signal_connect(pgd->gps_view, "notify::state", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
 776         g_signal_connect(pgd->gps_view, "notify::zoom-level", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
 777         g_signal_connect(G_OBJECT(slider), "value-changed", G_CALLBACK(bar_pane_gps_slider_changed_cb), pgd);
 778
 779         file_data_register_notify_func(bar_pane_gps_notify_cb, pgd, NOTIFY_PRIORITY_LOW);
 780
 781         pgd->create_markers_id = 0;
 782         pgd->enable_markers_checked = TRUE;
 783         pgd->centre_map_checked = TRUE;
 784
 785         return pgd->widget;
 786 }
 787
 788 GtkWidget *bar_pane_gps_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
 789 {
 790         gchar *title = g_strdup(_("GPS Map"));
 791         gchar *map_id = NULL;
 792         gboolean expanded = TRUE;
 793         gint height = 350;
 794         gint zoom = 7;
 795         gdouble latitude;
 796         gdouble longitude;
 797         /* Latitude and longitude are stored in the config file as an integer of
 798          * (actual value * 1,000,000). There is no READ_DOUBLE utilty function.
 799          */
 800         gint int_latitude = 54000000;
 801         gint int_longitude = -4000000;
 802         gchar *id = g_strdup("gps");
 803         GtkWidget *ret;
 804
 805         while (*attribute_names)
 806                 {
 807                 const gchar *option = *attribute_names++;
 808                 const gchar *value = *attribute_values++;
 809
 810                 if (READ_CHAR_FULL("title", title))
 811                         continue;
 812                 if (READ_CHAR_FULL("map-id", map_id))
 813                         continue;
 814                 /* There is a bug in the libchamplain libraries which prevents correct
 815                  * initialisation if the zoom level starts higher than 8
 816                  */
 817                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
 818                         continue;
 819                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
 820                         continue;
 821                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
 822                         continue;
 823                 if (READ_BOOL_FULL("expanded", expanded))
 824                         continue;
 825                 if (READ_INT_FULL("height", height))
 826                         continue;
 827                 if (READ_CHAR_FULL("id", id))
 828                         continue;
 829
 830                 log_printf("unknown attribute %s = %s\n", option, value);
 831                 }
 832
 833         bar_pane_translate_title(PANE_COMMENT, id, &title);
 834         latitude = int_latitude / 1000000;
 835         longitude = int_longitude / 1000000;
 836         ret = bar_pane_gps_new(id, title, map_id, zoom, latitude, longitude, expanded, height);
 837         g_free(title);
 838         g_free(map_id);
 839         g_free(id);
 840         return ret;
 841 }
 842
 843 void bar_pane_gps_update_from_config(GtkWidget *pane, const gchar **attribute_names,
 844                                                                                 const gchar **attribute_values)
 845 {
 846         PaneGPSData *pgd;
 847         gint zoom;
 848         gint int_longitude, int_latitude;
 849         gdouble longitude, latitude;
 850
 851         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 852         if (!pgd)
 853                 return;
 854
 855         gchar *title = NULL;
 856
 857         while (*attribute_names)
 858         {
 859                 const gchar *option = *attribute_names++;
 860                 const gchar *value = *attribute_values++;
 861
 862                 if (READ_CHAR_FULL("title", title))
 863                         continue;
 864                 if (READ_CHAR_FULL("map-id", pgd->map_source))
 865                         continue;
 866                 if (READ_BOOL_FULL("expanded", pgd->pane.expanded))
 867                         continue;
 868                 if (READ_INT_FULL("height", pgd->height))
 869                         continue;
 870                 if (READ_CHAR_FULL("id", pgd->pane.id))
 871                         continue;
 872                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
 873                         {
 874                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", zoom, NULL);
 875                         continue;
 876                         }
 877                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
 878                         {
 879                         longitude = int_longitude / 1000000;
 880                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "longitude", longitude, NULL);
 881                         continue;
 882                         }
 883                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
 884                         {
 885                         latitude = int_latitude / 1000000;
 886                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "latitude", latitude, NULL);
 887                         continue;
 888                         }
 889                 log_printf("unknown attribute %s = %s\n", option, value);
 890         }
 891
 892         if (title)
 893                 {
 894                 bar_pane_translate_title(PANE_COMMENT, pgd->pane.id, &title);
 895                 gtk_label_set_text(GTK_LABEL(pgd->pane.title), title);
 896                 g_free(title);
 897                 }
 898
 899         gtk_widget_set_size_request(pgd->widget, -1, pgd->height);
 900         bar_update_expander(pane);
 901 }
 902
 903 #endif
 904 #endif
 905
 906 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */