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 = data;
 388         gchar *mapsource;
 389
 390         if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget)))
 391                 return;
 392
 393         if (!pgd) return;
 394
 395         mapsource = g_object_get_data(G_OBJECT(widget), "menu_item_radio_data");
 396         bar_pane_gps_set_map_source(pgd, mapsource);
 397 }
 398
 399 static void bar_pane_gps_notify_selection(GtkWidget *bar, gint count)
 400 {
 401         PaneGPSData *pgd;
 402
 403         if (count == 0) return;
 404
 405         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 406         if (!pgd) return;
 407
 408         bar_pane_gps_update(pgd);
 409 }
 410
 411 static void bar_pane_gps_set_fd(GtkWidget *bar, FileData *fd)
 412 {
 413         PaneGPSData *pgd;
 414
 415         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 416         if (!pgd) return;
 417
 418         file_data_unref(pgd->fd);
 419         pgd->fd = file_data_ref(fd);
 420
 421         bar_pane_gps_update(pgd);
 422 }
 423
 424 static gint bar_pane_gps_event(GtkWidget *bar, GdkEvent *event)
 425 {
 426         PaneGPSData *pgd;
 427
 428         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 429         if (!pgd) return FALSE;
 430
 431         if (GTK_WIDGET_HAS_FOCUS(pgd->widget)) return gtk_widget_event(GTK_WIDGET(pgd->widget), event);
 432
 433         return FALSE;
 434 }
 435
 436 static void bar_pane_gps_write_config(GtkWidget *pane, GString *outstr, gint indent)
 437 {
 438         PaneGPSData *pgd;
 439         gint zoom;
 440         ChamplainMapSource *mapsource;
 441         const gchar *map_id;
 442         gchar *str = NULL;
 443         GString *buffer = g_string_new(str);
 444         gdouble position;
 445         gint int_position;
 446
 447         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 448         if (!pgd) return;
 449
 450         WRITE_NL();
 451         WRITE_STRING("<pane_gps ");
 452         write_char_option(outstr, indent, "id", pgd->pane.id);
 453         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(pgd->pane.title)));
 454         WRITE_BOOL(pgd->pane, expanded);
 455         WRITE_INT(*pgd, height);
 456         indent++;
 457
 458         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 459         map_id = champlain_map_source_get_id(mapsource);
 460         WRITE_NL();
 461         write_char_option(outstr, indent, "map-id", map_id);
 462
 463         g_object_get(G_OBJECT(pgd->gps_view), "zoom-level", &zoom, NULL);
 464         g_string_printf(buffer, "%d", zoom);
 465         WRITE_NL();
 466         write_char_option(outstr, indent, "zoom-level", buffer->str);
 467
 468         g_object_get(G_OBJECT(pgd->gps_view), "latitude", &position, NULL);
 469         int_position = position * 1000000;
 470         g_string_printf(buffer, "%i", int_position);
 471         WRITE_NL();
 472         write_char_option(outstr, indent, "latitude", buffer->str);
 473
 474         g_object_get(G_OBJECT(pgd->gps_view), "longitude", &position, NULL);
 475         int_position = position * 1000000;
 476         g_string_printf(buffer, "%i", int_position);
 477         WRITE_NL();
 478         write_char_option(outstr, indent, "longitude", buffer->str);
 479
 480         indent--;
 481         WRITE_NL();
 482         WRITE_STRING("/>");
 483
 484   g_object_unref(mapsource);
 485
 486 }
 487
 488 static void bar_pane_gps_slider_changed_cb(GtkScaleButton *slider,
 489                                                                                                         gdouble zoom,
 490                                                                                                         gpointer data)
 491 {
 492         PaneGPSData *pgd = data;
 493         GString *message;
 494
 495         message = g_string_new("");
 496         g_string_printf(message, _("Zoom %i"), (gint)zoom);
 497
 498         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", (gint)zoom, NULL);
 499         gtk_widget_set_tooltip_text(GTK_WIDGET(slider), message->str);
 500         g_string_free(message, TRUE);
 501
 502 }
 503 static void bar_pane_gps_view_state_changed_cb(ChamplainView *view,
 504                                                                                                 GParamSpec *gobject,
 505                                                                                                 gpointer data)
 506 {
 507         PaneGPSData *pgd = data;
 508         ChamplainState status;
 509         gint zoom;
 510         GString *message;
 511
 512         g_object_get(G_OBJECT(view), "zoom-level", &zoom, NULL);
 513         message = g_string_new("");
 514         g_string_printf(message, _("Zoom level %i"), zoom);
 515
 516         g_object_get(G_OBJECT(view), "state", &status, NULL);
 517         if (status == CHAMPLAIN_STATE_LOADING)
 518                 {
 519                 gtk_label_set_text(GTK_LABEL(pgd->state), _("Loading map"));
 520                 }
 521         else
 522                 {
 523                 gtk_label_set_text(GTK_LABEL(pgd->state), message->str);
 524                 }
 525
 526         gtk_widget_set_tooltip_text(GTK_WIDGET(pgd->slider), message->str);
 527         gtk_scale_button_set_value(GTK_SCALE_BUTTON(pgd->slider), (gdouble)zoom);
 528
 529         g_string_free(message, TRUE);
 530 }
 531
 532 static void bar_pane_gps_notify_cb(FileData *fd, NotifyType type, gpointer data)
 533 {
 534         PaneGPSData *pgd = data;
 535
 536         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) && fd == pgd->fd)
 537                 {
 538                 bar_pane_gps_update(pgd);
 539                 }
 540 }
 541
 542 const gchar *bar_pane_gps_get_map_id(PaneGPSData *pgd)
 543 {
 544         const gchar *map_id;
 545         ChamplainMapSource *mapsource;
 546
 547         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 548         map_id = champlain_map_source_get_id(mapsource);
 549
 550         g_object_unref(mapsource);
 551
 552         return map_id;
 553 }
 554
 555 static GtkWidget *bar_pane_gps_menu(PaneGPSData *pgd)
 556 {
 557         GtkWidget *menu;
 558         GtkWidget *map_centre;
 559         GtkWidget *parent;
 560         ChamplainMapSourceFactory *map_factory;
 561         GSList *map_list;
 562         ChamplainMapSourceDesc *map_desc;
 563         const gchar *current;
 564
 565         menu = popup_menu_short_lived();
 566
 567         map_factory = champlain_map_source_factory_get_default();
 568         map_list = champlain_map_source_factory_get_list(map_factory);
 569         current = bar_pane_gps_get_map_id(pgd);
 570
 571         while (map_list)
 572                 {
 573                 map_desc = (ChamplainMapSourceDesc *)(map_list->data);
 574
 575                 menu_item_add_radio(menu, map_desc->name, map_desc->id, strcmp(map_desc->id, current) == 0, G_CALLBACK(bar_pane_gps_change_map_cb), pgd);
 576
 577                 map_list = g_slist_next(map_list);
 578                 }
 579
 580         menu_item_add_divider(menu);
 581         menu_item_add_check(menu, _("Enable markers"), pgd->enable_markers_checked,
 582                                                                                         G_CALLBACK(bar_pane_gps_enable_markers_checked_toggle_cb), pgd);
 583         map_centre = menu_item_add_check(menu, _("Centre map on marker"), pgd->centre_map_checked,
 584                                                                                         G_CALLBACK(bar_pane_gps_centre_map_checked_toggle_cb), pgd);
 585         if (!pgd->enable_markers_checked)
 586                 {
 587                 gtk_widget_set_sensitive(map_centre, FALSE);
 588                 }
 589
 590         g_slist_free(map_list);
 591         g_object_unref(map_factory);
 592         //g_object_unref(map_centre);
 593
 594         return menu;
 595 }
 596
 597 /* Determine if the map is to be re-centred on the marker when another photo is selected
 598  */
 599 void bar_pane_gps_map_centreing(PaneGPSData *pgd)
 600 {
 601         GtkWidget *dialog;
 602         GString *message = g_string_new("");
 603
 604         if (pgd->centre_map_checked)
 605                 {
 606                 message = g_string_append(message, _("Move map centre to marker\n is disabled"));
 607                 pgd->centre_map_checked = FALSE;
 608                 }
 609         else
 610                 {
 611                 message = g_string_append(message, _("Move map centre to marker\n is enabled"));
 612                 pgd->centre_map_checked = TRUE;
 613                 }
 614
 615         dialog = gtk_message_dialog_new(NULL,
 616                                                           GTK_DIALOG_DESTROY_WITH_PARENT,
 617                                                           GTK_MESSAGE_INFO,
 618                                                           GTK_BUTTONS_CLOSE,
 619                                                           "%s", message->str);
 620         gtk_window_set_title(GTK_WINDOW(dialog), _("Map Centreing"));
 621         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_MOUSE);
 622         gtk_dialog_run(GTK_DIALOG(dialog));
 623
 624         gtk_widget_destroy(dialog);
 625         g_string_free(message, TRUE);
 626 }
 627
 628 static gboolean bar_pane_gps_map_keypress_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 629 {
 630         PaneGPSData *pgd = data;
 631         GtkWidget *menu;
 632
 633         if (bevent->button == MOUSE_BUTTON_RIGHT)
 634                 {
 635                 menu = bar_pane_gps_menu(pgd);
 636                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, bevent->button, bevent->time);
 637                 return TRUE;
 638                 }
 639         else if (bevent->button == MOUSE_BUTTON_MIDDLE)
 640                 {
 641                 bar_pane_gps_map_centreing(pgd);
 642                 return TRUE;
 643                 }
 644         else if (bevent->button == MOUSE_BUTTON_LEFT)
 645                 {
 646                 return FALSE;
 647                 }
 648         else
 649                 {
 650                 return FALSE;
 651                 }
 652 }
 653
 654 static void bar_pane_gps_destroy(GtkWidget *widget, gpointer data)
 655 {
 656         PaneGPSData *pgd = data;
 657
 658         file_data_unregister_notify_func(bar_pane_gps_notify_cb, pgd);
 659
 660         file_data_unref(pgd->fd);
 661         g_free(pgd->map_source);
 662         g_free(pgd->pane.id);
 663         clutter_actor_destroy(pgd->gps_view);
 664         g_free(pgd);
 665 }
 666
 667
 668 GtkWidget *bar_pane_gps_new(const gchar *id, const gchar *title, const gchar *map_id,
 669                                                 const gint zoom, const gdouble latitude, const gdouble longitude,
 670                                         gboolean expanded, gint height)
 671 {
 672         PaneGPSData *pgd;
 673         GtkWidget *vbox, *scrolled;
 674         GtkWidget *gpswidget, *viewport;
 675         GtkWidget *status, *state, *progress, *slider;
 676         ChamplainLayer *layer;
 677         ClutterActor *view;
 678         const gchar *slider_list[] = {GTK_STOCK_ZOOM_IN, GTK_STOCK_ZOOM_OUT, NULL};
 679         const gchar **slider_icons = slider_list;
 680
 681         pgd = g_new0(PaneGPSData, 1);
 682
 683         pgd->pane.pane_set_fd = bar_pane_gps_set_fd;
 684         pgd->pane.pane_notify_selection = bar_pane_gps_notify_selection;
 685         pgd->pane.pane_event = bar_pane_gps_event;
 686         pgd->pane.pane_write_config = bar_pane_gps_write_config;
 687         pgd->pane.title = bar_pane_expander_title(title);
 688         pgd->pane.id = g_strdup(id);
 689         pgd->pane.type = PANE_GPS;
 690         pgd->pane.expanded = expanded;
 691         pgd->height = height;
 692
 693         scrolled = gtk_scrolled_window_new(NULL, NULL);
 694         vbox = gtk_vbox_new(FALSE, 0);
 695
 696         gpswidget = gtk_champlain_embed_new ();
 697         view = gtk_champlain_embed_get_view (GTK_CHAMPLAIN_EMBED (gpswidget));
 698
 699         viewport = gtk_viewport_new(NULL, NULL);
 700
 701         gtk_container_add(GTK_CONTAINER(viewport), gpswidget);
 702         gtk_box_pack_start(GTK_BOX(vbox),viewport, TRUE, TRUE, 0);
 703         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolled), vbox);
 704
 705         status = gtk_hbox_new(FALSE,0);
 706         slider = gtk_scale_button_new(GTK_ICON_SIZE_SMALL_TOOLBAR, 1, 17, 1, slider_icons);
 707         gtk_widget_set_tooltip_text(slider, "Zoom");
 708         gtk_scale_button_set_value(GTK_SCALE_BUTTON(slider), (gdouble)zoom);
 709
 710         progress = gtk_progress_bar_new();
 711         state = gtk_label_new("");
 712         gtk_label_set_justify(GTK_LABEL(state), GTK_JUSTIFY_CENTER);
 713
 714         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(slider), FALSE, FALSE, 0);
 715         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(state), FALSE, FALSE, 5);
 716         gtk_box_pack_end(GTK_BOX(status), GTK_WIDGET(progress), FALSE, FALSE, 0);
 717         gtk_box_pack_end(GTK_BOX(vbox),GTK_WIDGET(status), FALSE, FALSE, 0);
 718
 719         layer = champlain_layer_new();
 720         champlain_view_add_layer(CHAMPLAIN_VIEW(view), layer);
 721
 722         pgd->icon_layer = layer;
 723         pgd->gps_view = view;
 724         pgd->widget = scrolled;
 725         pgd->progress = progress;
 726         pgd->slider = slider;
 727         pgd->state = state;
 728
 729         bar_pane_gps_set_map_source(pgd, map_id);
 730
 731         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(view)), "scroll-mode", CHAMPLAIN_SCROLL_MODE_KINETIC,
 732                                                                                                 "zoom-level", zoom,
 733                                                                                                 "keep-center-on-resize", TRUE,
 734                                                                                                 "decel-rate", 1.0,
 735                                                                                                 "show-license", TRUE,
 736                                                                                                 "zoom-on-double-click", FALSE,
 737                                                                                                 "max-zoom-level", 17,
 738                                                                                                 "min-zoom-level", 1,
 739                                                                                                 NULL);
 740         champlain_view_center_on(CHAMPLAIN_VIEW(view), latitude, longitude);
 741         pgd->centre_map_checked = TRUE;
 742         g_object_set_data(G_OBJECT(pgd->widget), "pane_data", pgd);
 743         g_signal_connect(G_OBJECT(pgd->widget), "destroy", G_CALLBACK(bar_pane_gps_destroy), pgd);
 744
 745         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
 746         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
 747
 748         gtk_widget_set_size_request(pgd->widget, -1, height);
 749
 750         clutter_set_motion_events_enabled(TRUE);
 751         g_signal_connect(G_OBJECT(vbox), "button_press_event", G_CALLBACK(bar_pane_gps_map_keypress_cb), pgd);
 752         g_signal_connect(pgd->gps_view, "notify::state", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
 753         g_signal_connect(pgd->gps_view, "notify::zoom-level", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
 754         g_signal_connect(G_OBJECT(slider), "value-changed", G_CALLBACK(bar_pane_gps_slider_changed_cb), pgd);
 755
 756         file_data_register_notify_func(bar_pane_gps_notify_cb, pgd, NOTIFY_PRIORITY_LOW);
 757
 758         pgd->create_markers_id = 0;
 759         pgd->enable_markers_checked = TRUE;
 760         pgd->centre_map_checked = TRUE;
 761
 762         return pgd->widget;
 763 }
 764
 765 GtkWidget *bar_pane_gps_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
 766 {
 767         gchar *title = g_strdup(_("GPS Map"));
 768         gchar *map_id = NULL;
 769         gboolean expanded = TRUE;
 770         gint height = 350;
 771         gint zoom = 7;
 772         gdouble latitude;
 773         gdouble longitude;
 774         /* Latitude and longitude are stored in the config file as an integer of
 775          * (actual value * 1,000,000). There is no READ_DOUBLE utilty function.
 776          */
 777         gint int_latitude = 54000000;
 778         gint int_longitude = -4000000;
 779         gchar *id = g_strdup("gps");
 780         GtkWidget *ret;
 781
 782         while (*attribute_names)
 783                 {
 784                 const gchar *option = *attribute_names++;
 785                 const gchar *value = *attribute_values++;
 786
 787                 if (READ_CHAR_FULL("title", title))
 788                         continue;
 789                 if (READ_CHAR_FULL("map-id", map_id))
 790                         continue;
 791                 /* There is a bug in the libchamplain libraries which prevents correct
 792                  * initialisation if the zoom level starts higher than 8
 793                  */
 794                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
 795                         continue;
 796                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
 797                         continue;
 798                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
 799                         continue;
 800                 if (READ_BOOL_FULL("expanded", expanded))
 801                         continue;
 802                 if (READ_INT_FULL("height", height))
 803                         continue;
 804                 if (READ_CHAR_FULL("id", id))
 805                         continue;
 806
 807                 log_printf("unknown attribute %s = %s\n", option, value);
 808                 }
 809
 810         bar_pane_translate_title(PANE_COMMENT, id, &title);
 811         latitude = int_latitude / 1000000;
 812         longitude = int_longitude / 1000000;
 813         ret = bar_pane_gps_new(id, title, map_id, zoom, latitude, longitude, expanded, height);
 814         g_free(title);
 815         g_free(map_id);
 816         g_free(id);
 817         return ret;
 818 }
 819
 820 void bar_pane_gps_update_from_config(GtkWidget *pane, const gchar **attribute_names,
 821                                                                                 const gchar **attribute_values)
 822 {
 823         PaneGPSData *pgd;
 824         gint zoom;
 825         gint int_longitude, int_latitude;
 826         gdouble longitude, latitude;
 827
 828         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 829         if (!pgd)
 830                 return;
 831
 832         gchar *title = NULL;
 833
 834         while (*attribute_names)
 835         {
 836                 const gchar *option = *attribute_names++;
 837                 const gchar *value = *attribute_values++;
 838
 839                 if (READ_CHAR_FULL("title", title))
 840                         continue;
 841                 if (READ_CHAR_FULL("map-id", pgd->map_source))
 842                         continue;
 843                 if (READ_BOOL_FULL("expanded", pgd->pane.expanded))
 844                         continue;
 845                 if (READ_INT_FULL("height", pgd->height))
 846                         continue;
 847                 if (READ_CHAR_FULL("id", pgd->pane.id))
 848                         continue;
 849                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
 850                         {
 851                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", zoom, NULL);
 852                         continue;
 853                         }
 854                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
 855                         {
 856                         longitude = int_longitude / 1000000;
 857                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "longitude", longitude, NULL);
 858                         continue;
 859                         }
 860                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
 861                         {
 862                         latitude = int_latitude / 1000000;
 863                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "latitude", latitude, NULL);
 864                         continue;
 865                         }
 866                 log_printf("unknown attribute %s = %s\n", option, value);
 867         }
 868
 869         if (title)
 870                 {
 871                 bar_pane_translate_title(PANE_COMMENT, pgd->pane.id, &title);
 872                 gtk_label_set_text(GTK_LABEL(pgd->pane.title), title);
 873                 g_free(title);
 874                 }
 875
 876         gtk_widget_set_size_request(pgd->widget, -1, pgd->height);
 877         bar_update_expander(pane);
 878 }
 879
 880 #endif
 881 #endif
 882
 883 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */