src/bar_gps.c

   1 /*
   2  * Copyright (C) 2004 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: Colin Clark
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "main.h"
  23 #ifdef HAVE_LIBCHAMPLAIN
  24 #ifdef HAVE_LIBCHAMPLAIN_GTK
  25
  26 #include "bar_gps.h"
  27
  28 #include "bar.h"
  29 #include "filedata.h"
  30 #include "layout.h"
  31 #include "metadata.h"
  32 #include "menu.h"
  33 #include "rcfile.h"
  34 #include "thumb.h"
  35 #include "ui_menu.h"
  36
  37 #include <clutter-gtk/clutter-gtk.h>
  38 #include <champlain/champlain.h>
  39 #include <champlain-gtk/champlain-gtk.h>
  40
  41 #define MARKER_COLOUR 0x00, 0x00, 0xff, 0xff
  42 #define TEXT_COLOUR 0x00, 0x00, 0x00, 0xff
  43 #define THUMB_COLOUR 0xff, 0xff, 0xff, 0xff
  44 #define THUMB_SIZE 100
  45
  46 /*
  47  *-------------------------------------------------------------------
  48  * GPS Map utils
  49  *-------------------------------------------------------------------
  50  */
  51
  52 typedef struct _PaneGPSData PaneGPSData;
  53 struct _PaneGPSData
  54 {
  55         PaneData pane;
  56         GtkWidget *widget;
  57         gchar *map_source;
  58         gint height;
  59         FileData *fd;
  60         ClutterActor *gps_view;
  61         ChamplainMarkerLayer *icon_layer;
  62         GList *selection_list;
  63         GList *not_added;
  64         ChamplainBoundingBox *bbox;
  65         guint num_added;
  66         guint create_markers_id;
  67         GtkWidget *progress;
  68         GtkWidget *slider;
  69         GtkWidget *state;
  70         gint selection_count;
  71         gboolean centre_map_checked;
  72         gboolean enable_markers_checked;
  73 };
  74
  75 static void bar_pane_gps_thumb_done_cb(ThumbLoader *tl, gpointer data)
  76 {
  77         FileData *fd;
  78         ClutterActor *marker;
  79         ClutterActor *actor;
  80
  81         marker = CLUTTER_ACTOR(data);
  82         fd = g_object_get_data(G_OBJECT(marker), "file_fd");
  83         if (fd->thumb_pixbuf != NULL)
  84                 {
  85                 actor = gtk_clutter_texture_new();
  86                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, NULL);
  87                 champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
  88                 }
  89         thumb_loader_free(tl);
  90 }
  91
  92 static void bar_pane_gps_thumb_error_cb(ThumbLoader *tl, gpointer data)
  93 {
  94         thumb_loader_free(tl);
  95 }
  96
  97 static gboolean bar_pane_gps_marker_keypress_cb(GtkWidget *widget, ClutterButtonEvent *bevent, gpointer data)
  98 {
  99         //PaneGPSData *pgd = data;
 100         FileData *fd;
 101         ClutterActor *marker;
 102         ClutterColor marker_colour = { MARKER_COLOUR };
 103         ClutterColor text_colour = { TEXT_COLOUR };
 104         ClutterColor thumb_colour = { THUMB_COLOUR };
 105         gchar *current_text;
 106         ClutterActor *actor;
 107         ClutterActor *current_image;
 108         GString *text;
 109         gint height, width, rotate;
 110         gchar *altitude = NULL;
 111         ThumbLoader *tl;
 112
 113         if (bevent->button == MOUSE_BUTTON_LEFT)
 114                 {
 115                 marker = CLUTTER_ACTOR(widget);
 116                 fd = g_object_get_data(G_OBJECT(marker), "file_fd");
 117
 118                 /* If the marker is showing a thumbnail, delete it
 119                  */
 120                 current_image = champlain_label_get_image(CHAMPLAIN_LABEL(marker));
 121                 if (current_image != NULL)
 122                         {
 123                         clutter_actor_destroy(CLUTTER_ACTOR(current_image));
 124                         champlain_label_set_image(CHAMPLAIN_LABEL(marker), NULL);
 125                         }
 126
 127                 current_text = g_strdup(champlain_label_get_text(CHAMPLAIN_LABEL(marker)));
 128
 129                 /* If the marker is showing only the text character, replace it with a
 130                  * thumbnail and date and altitude
 131                  */
 132                 if (g_strcmp0(current_text, "i") == 0)
 133                         {
 134                         /* If a thumbail has already been generated, use that. If not try the pixbuf of the full image.
 135                          * If not, call the thumb_loader to generate a thumbnail and update the marker later in the
 136                          * thumb_loader callback
 137                          */
 138                          if (fd->thumb_pixbuf != NULL)
 139                                 {
 140                                 actor = gtk_clutter_texture_new();
 141                                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, NULL);
 142                                 champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
 143                                 }
 144                         else if (fd->pixbuf != NULL)
 145                                 {
 146                                 actor = gtk_clutter_texture_new();
 147                                 width = gdk_pixbuf_get_width (fd->pixbuf);
 148                                 height = gdk_pixbuf_get_height (fd->pixbuf);
 149                                 switch (fd->exif_orientation)
 150                                         {
 151                                         case 8:
 152                                                 rotate = GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE;
 153                                                 break;
 154                                         case 3:
 155                                                 rotate = GDK_PIXBUF_ROTATE_UPSIDEDOWN;
 156                                                 break;
 157                                         case 6:
 158                                                 rotate = GDK_PIXBUF_ROTATE_CLOCKWISE;
 159                                                 break;
 160                                         default:
 161                                                 rotate = GDK_PIXBUF_ROTATE_NONE;
 162                                         }
 163
 164                                         gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor),
 165                                                                                 gdk_pixbuf_rotate_simple(gdk_pixbuf_scale_simple(fd->pixbuf, THUMB_SIZE, height * THUMB_SIZE / width,
 166                                                                                 GDK_INTERP_NEAREST), rotate), NULL);
 167                                         champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
 168                                 }
 169                         else
 170                                 {
 171                                 tl = thumb_loader_new(THUMB_SIZE, THUMB_SIZE);
 172                                 thumb_loader_set_callbacks(tl,
 173                                                                                         bar_pane_gps_thumb_done_cb,
 174                                                                                         bar_pane_gps_thumb_error_cb,
 175                                                                                         NULL,
 176                                                                                         marker);
 177                                 thumb_loader_start(tl, fd);
 178                                 }
 179
 180                         text = g_string_new(fd->name);
 181                         g_string_append(text, "\n");
 182                         g_string_append(text, text_from_time(fd->date));
 183                         g_string_append(text, "\n");
 184                         altitude = metadata_read_string(fd, "formatted.GPSAltitude", METADATA_FORMATTED);
 185                         if (altitude != NULL)
 186                                 {
 187                                 g_string_append(text, altitude);
 188                                 }
 189
 190                         champlain_label_set_text(CHAMPLAIN_LABEL(marker), text->str);
 191                         champlain_label_set_color(CHAMPLAIN_LABEL(marker), &thumb_colour);
 192                         champlain_label_set_text_color(CHAMPLAIN_LABEL(marker), &text_colour);
 193                         champlain_label_set_font_name(CHAMPLAIN_LABEL(marker), "sans 8");
 194
 195                         g_free(altitude);
 196                         g_string_free(text, TRUE);
 197                         }
 198                 /* otherwise, revert to the hidden text marker
 199                  */
 200                 else
 201                         {
 202                         champlain_label_set_text(CHAMPLAIN_LABEL(marker), "i");
 203                         champlain_label_set_color(CHAMPLAIN_LABEL(marker), &marker_colour);
 204                         champlain_label_set_text_color(CHAMPLAIN_LABEL(marker), &marker_colour);
 205                         champlain_label_set_font_name(CHAMPLAIN_LABEL(marker), "courier 5");
 206                         }
 207
 208                 g_free(current_text);
 209
 210                 return TRUE;
 211                 }
 212         return TRUE;
 213 }
 214
 215 static gboolean bar_pane_gps_create_markers_cb(gpointer data)
 216 {
 217         PaneGPSData *pgd = data;
 218         gdouble latitude;
 219         gdouble longitude;
 220         ClutterActor *marker;
 221         FileData *fd;
 222         ClutterColor marker_colour = { MARKER_COLOUR };
 223         GString *message;
 224
 225         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress),
 226                                                         (gdouble)(pgd->selection_count - g_list_length(pgd->not_added)) /
 227                                                         (gdouble)pgd->selection_count);
 228
 229         message = g_string_new("");
 230         g_string_printf(message, "%i/%i", (pgd->selection_count - g_list_length(pgd->not_added)),
 231                                                                                                                                                         pgd->selection_count);
 232         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), message->str);
 233         g_string_free(message, TRUE);
 234
 235         if(pgd->not_added)
 236                 {
 237                 fd = pgd->not_added->data;
 238                 pgd->not_added = pgd->not_added->next;
 239
 240                 latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 1000);
 241                 longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 1000);
 242
 243                 if ((latitude != 1000) && (longitude != 1000))
 244                         {
 245                         pgd->num_added++;
 246
 247                         marker = champlain_label_new_with_text("i","courier 5", &marker_colour, &marker_colour);
 248
 249                         champlain_location_set_location(CHAMPLAIN_LOCATION(marker), latitude, longitude);
 250                         champlain_marker_layer_add_marker(pgd->icon_layer, CHAMPLAIN_MARKER(marker));
 251                         clutter_actor_set_reactive(marker, TRUE);
 252
 253                         g_signal_connect(G_OBJECT(marker), "button_release_event",
 254                                         G_CALLBACK(bar_pane_gps_marker_keypress_cb), pgd);
 255
 256                         g_object_set_data(G_OBJECT(marker), "file_fd", fd);
 257
 258                         champlain_bounding_box_extend(pgd->bbox, latitude, longitude);
 259                         }
 260                 return TRUE;
 261                 }
 262
 263         if (pgd->centre_map_checked)
 264                 {
 265                 if (pgd->num_added == 1)
 266                         {
 267                         champlain_bounding_box_get_center(pgd->bbox, &latitude, &longitude);
 268                         champlain_view_go_to(CHAMPLAIN_VIEW(pgd->gps_view), latitude, longitude);
 269                         }
 270                  else if (pgd->num_added > 1)
 271                         {
 272                         champlain_view_ensure_visible(CHAMPLAIN_VIEW(pgd->gps_view), pgd->bbox, TRUE);
 273                         }
 274                 }
 275         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress), 0);
 276         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), NULL);
 277         pgd->create_markers_id = 0;
 278
 279         return FALSE;
 280 }
 281
 282 static void bar_pane_gps_update(PaneGPSData *pgd)
 283 {
 284         GList *list;
 285
 286         /* The widget does not have a parent during bar_pane_gps_new, so calling gtk_widget_show_all there gives a
 287          * "Gtk-CRITICAL **: gtk_widget_realize: assertion `GTK_WIDGET_ANCHORED (widget) || GTK_IS_INVISIBLE (widget)' failed"
 288          * error. gtk_widget_show_all can be given after it has been added to the bar.
 289          */
 290         if (gtk_widget_get_parent(pgd->widget) != NULL)
 291                 gtk_widget_show_all(pgd->widget);
 292
 293         /* If a create-marker background process is running, kill it
 294          * and start again
 295          */
 296         if (pgd->create_markers_id != 0)
 297                 {
 298                 if (g_idle_remove_by_data(pgd))
 299                         {
 300                         pgd->create_markers_id = 0;
 301                         }
 302                 else
 303                         {
 304                         return;
 305                         }
 306                 }
 307
 308         /* Delete any markers currently displayed
 309          */
 310
 311         champlain_marker_layer_remove_all(pgd->icon_layer);
 312
 313         if (!pgd->enable_markers_checked)
 314                 {
 315                 return;
 316                 }
 317
 318         /* For each selected photo that has GPS data, create a marker containing
 319          * a single, small text character the same colour as the marker background.
 320          * Use a background process in case the user selects a large number of files.
 321          */
 322         filelist_free(pgd->selection_list);
 323         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 324
 325         list = layout_selection_list(pgd->pane.lw);
 326         list = file_data_process_groups_in_selection(list, FALSE, NULL);
 327
 328         pgd->selection_list = list;
 329         pgd->not_added = list;
 330
 331         pgd->bbox = champlain_bounding_box_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         pgd->num_added = 0;
 335 }
 336
 337 void bar_pane_gps_set_map_source(PaneGPSData *pgd, const gchar *map_id)
 338 {
 339         ChamplainMapSource *map_source;
 340         ChamplainMapSourceFactory *map_factory;
 341
 342         map_factory = champlain_map_source_factory_dup_default();
 343         map_source = champlain_map_source_factory_create(map_factory, map_id);
 344
 345         if (map_source != NULL)
 346                 {
 347                 g_object_set(G_OBJECT(pgd->gps_view), "map-source", map_source, NULL);
 348                 }
 349
 350         g_object_unref(map_factory);
 351 }
 352
 353 void bar_pane_gps_enable_markers_checked_toggle_cb(GtkWidget *menu_widget, gpointer data)
 354 {
 355         PaneGPSData *pgd = data;
 356
 357         if (pgd->enable_markers_checked)
 358                 {
 359                 pgd->enable_markers_checked = FALSE;
 360                 }
 361         else
 362                 {
 363                 pgd->enable_markers_checked = TRUE;
 364                 }
 365 }
 366
 367 static void bar_pane_gps_centre_map_checked_toggle_cb(GtkWidget *menu_widget, gpointer data)
 368 {
 369         PaneGPSData *pgd = data;
 370
 371         if (pgd->centre_map_checked)
 372                 {
 373                 pgd->centre_map_checked = FALSE;
 374                 }
 375         else
 376                 {
 377                 pgd->centre_map_checked = TRUE;
 378                 }
 379 }
 380
 381 static void bar_pane_gps_change_map_cb(GtkWidget *widget, gpointer data)
 382 {
 383         PaneGPSData *pgd = data;
 384         gchar *mapsource;
 385
 386         if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget)))
 387                 return;
 388
 389         if (!pgd) return;
 390
 391         mapsource = g_object_get_data(G_OBJECT(widget), "menu_item_radio_data");
 392         bar_pane_gps_set_map_source(pgd, mapsource);
 393 }
 394
 395 static void bar_pane_gps_notify_selection(GtkWidget *bar, gint count)
 396 {
 397         PaneGPSData *pgd;
 398
 399         if (count == 0) return;
 400
 401         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 402         if (!pgd) return;
 403
 404         bar_pane_gps_update(pgd);
 405 }
 406
 407 static void bar_pane_gps_set_fd(GtkWidget *bar, FileData *fd)
 408 {
 409         PaneGPSData *pgd;
 410
 411         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 412         if (!pgd) return;
 413
 414         file_data_unref(pgd->fd);
 415         pgd->fd = file_data_ref(fd);
 416
 417         bar_pane_gps_update(pgd);
 418 }
 419
 420 static gint bar_pane_gps_event(GtkWidget *bar, GdkEvent *event)
 421 {
 422         PaneGPSData *pgd;
 423
 424         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 425         if (!pgd) return FALSE;
 426
 427         if (gtk_widget_has_focus(pgd->widget)) return gtk_widget_event(GTK_WIDGET(pgd->widget), event);
 428
 429         return FALSE;
 430 }
 431
 432 static void bar_pane_gps_write_config(GtkWidget *pane, GString *outstr, gint indent)
 433 {
 434         PaneGPSData *pgd;
 435         gint zoom;
 436         ChamplainMapSource *mapsource;
 437         const gchar *map_id;
 438         gchar *str = NULL;
 439         GString *buffer = g_string_new(str);
 440         gdouble position;
 441         gint int_position;
 442
 443         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 444         if (!pgd) return;
 445
 446         WRITE_NL();
 447         WRITE_STRING("<pane_gps ");
 448         write_char_option(outstr, indent, "id", pgd->pane.id);
 449         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(pgd->pane.title)));
 450         WRITE_BOOL(pgd->pane, expanded);
 451         WRITE_INT(*pgd, height);
 452         indent++;
 453
 454         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 455         map_id = champlain_map_source_get_id(mapsource);
 456         WRITE_NL();
 457         write_char_option(outstr, indent, "map-id", map_id);
 458
 459         g_object_get(G_OBJECT(pgd->gps_view), "zoom-level", &zoom, NULL);
 460         g_string_printf(buffer, "%d", zoom);
 461         WRITE_NL();
 462         write_char_option(outstr, indent, "zoom-level", buffer->str);
 463
 464         g_object_get(G_OBJECT(pgd->gps_view), "latitude", &position, NULL);
 465         int_position = position * 1000000;
 466         g_string_printf(buffer, "%i", int_position);
 467         WRITE_NL();
 468         write_char_option(outstr, indent, "latitude", buffer->str);
 469
 470         g_object_get(G_OBJECT(pgd->gps_view), "longitude", &position, NULL);
 471         int_position = position * 1000000;
 472         g_string_printf(buffer, "%i", int_position);
 473         WRITE_NL();
 474         write_char_option(outstr, indent, "longitude", buffer->str);
 475
 476         indent--;
 477         WRITE_NL();
 478         WRITE_STRING("/>");
 479
 480   g_object_unref(mapsource);
 481
 482 }
 483
 484 static void bar_pane_gps_slider_changed_cb(GtkScaleButton *slider,
 485                                            gdouble zoom,
 486                                            gpointer data)
 487 {
 488         PaneGPSData *pgd = data;
 489         GString *message;
 490
 491         message = g_string_new("");
 492         g_string_printf(message, _("Zoom %i"), (gint)zoom);
 493
 494         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", (gint)zoom, NULL);
 495         gtk_widget_set_tooltip_text(GTK_WIDGET(slider), message->str);
 496         g_string_free(message, TRUE);
 497
 498 }
 499 static void bar_pane_gps_view_state_changed_cb(ChamplainView *view,
 500                                                GParamSpec *gobject,
 501                                                gpointer data)
 502 {
 503         PaneGPSData *pgd = data;
 504         ChamplainState status;
 505         gint zoom;
 506         GString *message;
 507
 508         g_object_get(G_OBJECT(view), "zoom-level", &zoom, NULL);
 509         message = g_string_new("");
 510         g_string_printf(message, _("Zoom level %i"), zoom);
 511
 512         g_object_get(G_OBJECT(view), "state", &status, NULL);
 513         if (status == CHAMPLAIN_STATE_LOADING)
 514                 {
 515                 gtk_label_set_text(GTK_LABEL(pgd->state), _("Loading map"));
 516                 }
 517         else
 518                 {
 519                 gtk_label_set_text(GTK_LABEL(pgd->state), message->str);
 520                 }
 521
 522         gtk_widget_set_tooltip_text(GTK_WIDGET(pgd->slider), message->str);
 523         gtk_scale_button_set_value(GTK_SCALE_BUTTON(pgd->slider), (gdouble)zoom);
 524
 525         g_string_free(message, TRUE);
 526 }
 527
 528 static void bar_pane_gps_notify_cb(FileData *fd, NotifyType type, gpointer data)
 529 {
 530         PaneGPSData *pgd = data;
 531
 532         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) &&
 533             g_list_find(pgd->selection_list, fd))
 534                 {
 535                 bar_pane_gps_update(pgd);
 536                 }
 537 }
 538
 539 const gchar *bar_pane_gps_get_map_id(PaneGPSData *pgd)
 540 {
 541         const gchar *map_id;
 542         ChamplainMapSource *mapsource;
 543
 544         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 545         map_id = champlain_map_source_get_id(mapsource);
 546
 547         g_object_unref(mapsource);
 548
 549         return map_id;
 550 }
 551
 552 static GtkWidget *bar_pane_gps_menu(PaneGPSData *pgd)
 553 {
 554         GtkWidget *menu;
 555         GtkWidget *map_centre;
 556         ChamplainMapSourceFactory *map_factory;
 557         GSList *map_list;
 558         ChamplainMapSourceDesc *map_desc;
 559         const gchar *current;
 560
 561         menu = popup_menu_short_lived();
 562
 563         map_factory = champlain_map_source_factory_dup_default();
 564         map_list = champlain_map_source_factory_get_registered(map_factory);
 565         current = bar_pane_gps_get_map_id(pgd);
 566
 567         while (map_list)
 568                 {
 569                 map_desc = (ChamplainMapSourceDesc *)(map_list->data);
 570
 571                 menu_item_add_radio(menu,
 572                                     champlain_map_source_desc_get_name(map_desc),
 573                                     (gpointer)champlain_map_source_desc_get_id(map_desc),
 574                                     strcmp(champlain_map_source_desc_get_id(map_desc), current) == 0,
 575                                     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
 593         return menu;
 594 }
 595
 596 /* Determine if the map is to be re-centred on the marker when another photo is selected
 597  */
 598 void bar_pane_gps_map_centreing(PaneGPSData *pgd)
 599 {
 600         GtkWidget *dialog;
 601         GString *message = g_string_new("");
 602
 603         if (pgd->centre_map_checked)
 604                 {
 605                 message = g_string_append(message, _("Move map centre to marker\n is disabled"));
 606                 pgd->centre_map_checked = FALSE;
 607                 }
 608         else
 609                 {
 610                 message = g_string_append(message, _("Move map centre to marker\n is enabled"));
 611                 pgd->centre_map_checked = TRUE;
 612                 }
 613
 614         dialog = gtk_message_dialog_new(NULL,
 615                                                           GTK_DIALOG_DESTROY_WITH_PARENT,
 616                                                           GTK_MESSAGE_INFO,
 617                                                           GTK_BUTTONS_CLOSE,
 618                                                           "%s", message->str);
 619         gtk_window_set_title(GTK_WINDOW(dialog), _("Map Centreing"));
 620         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_MOUSE);
 621         gtk_dialog_run(GTK_DIALOG(dialog));
 622
 623         gtk_widget_destroy(dialog);
 624         g_string_free(message, TRUE);
 625 }
 626
 627 static gboolean bar_pane_gps_map_keypress_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 628 {
 629         PaneGPSData *pgd = data;
 630         GtkWidget *menu;
 631
 632         if (bevent->button == MOUSE_BUTTON_RIGHT)
 633                 {
 634                 menu = bar_pane_gps_menu(pgd);
 635                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, bevent->button, bevent->time);
 636                 return TRUE;
 637                 }
 638         else if (bevent->button == MOUSE_BUTTON_MIDDLE)
 639                 {
 640                 bar_pane_gps_map_centreing(pgd);
 641                 return TRUE;
 642                 }
 643         else if (bevent->button == MOUSE_BUTTON_LEFT)
 644                 {
 645                 return FALSE;
 646                 }
 647         else
 648                 {
 649                 return FALSE;
 650                 }
 651 }
 652
 653 static void bar_pane_gps_destroy(GtkWidget *widget, gpointer data)
 654 {
 655         PaneGPSData *pgd = data;
 656
 657         file_data_unregister_notify_func(bar_pane_gps_notify_cb, pgd);
 658
 659         g_idle_remove_by_data(pgd);
 660
 661         filelist_free(pgd->selection_list);
 662         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 663
 664         file_data_unref(pgd->fd);
 665         g_free(pgd->map_source);
 666         g_free(pgd->pane.id);
 667         clutter_actor_destroy(pgd->gps_view);
 668         g_free(pgd);
 669 }
 670
 671
 672 GtkWidget *bar_pane_gps_new(const gchar *id, const gchar *title, const gchar *map_id,
 673                                                 const gint zoom, const gdouble latitude, const gdouble longitude,
 674                                         gboolean expanded, gint height)
 675 {
 676         PaneGPSData *pgd;
 677         GtkWidget *vbox, *frame;
 678         GtkWidget *gpswidget;
 679         GtkWidget *status, *state, *progress, *slider;
 680         ChamplainMarkerLayer *layer;
 681         ChamplainView *view;
 682         const gchar *slider_list[] = {"zoom-in", "zoom-out", NULL};
 683         const gchar **slider_icons = slider_list;
 684
 685         pgd = g_new0(PaneGPSData, 1);
 686
 687         pgd->pane.pane_set_fd = bar_pane_gps_set_fd;
 688         pgd->pane.pane_notify_selection = bar_pane_gps_notify_selection;
 689         pgd->pane.pane_event = bar_pane_gps_event;
 690         pgd->pane.pane_write_config = bar_pane_gps_write_config;
 691         pgd->pane.title = bar_pane_expander_title(title);
 692         pgd->pane.id = g_strdup(id);
 693         pgd->pane.type = PANE_GPS;
 694         pgd->pane.expanded = expanded;
 695         pgd->height = height;
 696
 697         frame = gtk_frame_new(NULL);
 698         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 699
 700         gpswidget = gtk_champlain_embed_new();
 701         view = gtk_champlain_embed_get_view(GTK_CHAMPLAIN_EMBED(gpswidget));
 702
 703         gtk_box_pack_start(GTK_BOX(vbox), gpswidget, TRUE, TRUE, 0);
 704         gtk_container_add(GTK_CONTAINER(frame), vbox);
 705
 706         status = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,0);
 707         slider = gtk_scale_button_new(GTK_ICON_SIZE_SMALL_TOOLBAR, 1, 17, 1, slider_icons);
 708         gtk_widget_set_tooltip_text(slider, "Zoom");
 709         gtk_scale_button_set_value(GTK_SCALE_BUTTON(slider), (gdouble)zoom);
 710
 711         progress = gtk_progress_bar_new();
 712         state = gtk_label_new("");
 713         gtk_label_set_justify(GTK_LABEL(state), GTK_JUSTIFY_CENTER);
 714
 715         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(slider), FALSE, FALSE, 0);
 716         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(state), FALSE, FALSE, 5);
 717         gtk_box_pack_end(GTK_BOX(status), GTK_WIDGET(progress), FALSE, FALSE, 0);
 718         gtk_box_pack_end(GTK_BOX(vbox),GTK_WIDGET(status), FALSE, FALSE, 0);
 719
 720         layer = champlain_marker_layer_new();
 721         champlain_view_add_layer(view, CHAMPLAIN_LAYER(layer));
 722
 723         pgd->icon_layer = layer;
 724         pgd->gps_view = CLUTTER_ACTOR(view);
 725         pgd->widget = frame;
 726         pgd->progress = progress;
 727         pgd->slider = slider;
 728         pgd->state = state;
 729
 730         bar_pane_gps_set_map_source(pgd, map_id);
 731
 732         g_object_set(G_OBJECT(view), "kinetic-mode", TRUE,
 733                                      "zoom-level", zoom,
 734                                      "keep-center-on-resize", TRUE,
 735                                      "deceleration", 1.1,
 736                                      "zoom-on-double-click", FALSE,
 737                                      "max-zoom-level", 17,
 738                                      "min-zoom-level", 1,
 739                                      NULL);
 740         champlain_view_center_on(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_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
 746
 747         gtk_widget_set_size_request(pgd->widget, -1, height);
 748
 749         g_signal_connect(G_OBJECT(gpswidget), "button_press_event", G_CALLBACK(bar_pane_gps_map_keypress_cb), pgd);
 750         g_signal_connect(pgd->gps_view, "notify::state", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
 751         g_signal_connect(pgd->gps_view, "notify::zoom-level", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
 752         g_signal_connect(G_OBJECT(slider), "value-changed", G_CALLBACK(bar_pane_gps_slider_changed_cb), pgd);
 753
 754         file_data_register_notify_func(bar_pane_gps_notify_cb, pgd, NOTIFY_PRIORITY_LOW);
 755
 756         pgd->create_markers_id = 0;
 757         pgd->enable_markers_checked = TRUE;
 758         pgd->centre_map_checked = TRUE;
 759
 760         return pgd->widget;
 761 }
 762
 763 GtkWidget *bar_pane_gps_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
 764 {
 765         gchar *title = g_strdup(_("GPS Map"));
 766         gchar *map_id = NULL;
 767         gboolean expanded = TRUE;
 768         gint height = 350;
 769         gint zoom = 7;
 770         gdouble latitude;
 771         gdouble longitude;
 772         /* Latitude and longitude are stored in the config file as an integer of
 773          * (actual value * 1,000,000). There is no READ_DOUBLE utilty function.
 774          */
 775         gint int_latitude = 54000000;
 776         gint int_longitude = -4000000;
 777         gchar *id = g_strdup("gps");
 778         GtkWidget *ret;
 779
 780         while (*attribute_names)
 781                 {
 782                 const gchar *option = *attribute_names++;
 783                 const gchar *value = *attribute_values++;
 784
 785                 if (READ_CHAR_FULL("title", title))
 786                         continue;
 787                 if (READ_CHAR_FULL("map-id", map_id))
 788                         continue;
 789                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 20))
 790                         continue;
 791                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
 792                         continue;
 793                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
 794                         continue;
 795                 if (READ_BOOL_FULL("expanded", expanded))
 796                         continue;
 797                 if (READ_INT_FULL("height", height))
 798                         continue;
 799                 if (READ_CHAR_FULL("id", id))
 800                         continue;
 801
 802                 log_printf("unknown attribute %s = %s\n", option, value);
 803                 }
 804
 805         bar_pane_translate_title(PANE_COMMENT, id, &title);
 806         latitude = int_latitude / 1000000;
 807         longitude = int_longitude / 1000000;
 808         ret = bar_pane_gps_new(id, title, map_id, zoom, latitude, longitude, expanded, height);
 809         g_free(title);
 810         g_free(map_id);
 811         g_free(id);
 812         return ret;
 813 }
 814
 815 void bar_pane_gps_update_from_config(GtkWidget *pane, const gchar **attribute_names,
 816                                                                                 const gchar **attribute_values)
 817 {
 818         PaneGPSData *pgd;
 819         gint zoom;
 820         gint int_longitude, int_latitude;
 821         gdouble longitude, latitude;
 822
 823         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 824         if (!pgd)
 825                 return;
 826
 827         gchar *title = NULL;
 828
 829         while (*attribute_names)
 830         {
 831                 const gchar *option = *attribute_names++;
 832                 const gchar *value = *attribute_values++;
 833
 834                 if (READ_CHAR_FULL("title", title))
 835                         continue;
 836                 if (READ_CHAR_FULL("map-id", pgd->map_source))
 837                         continue;
 838                 if (READ_BOOL_FULL("expanded", pgd->pane.expanded))
 839                         continue;
 840                 if (READ_INT_FULL("height", pgd->height))
 841                         continue;
 842                 if (READ_CHAR_FULL("id", pgd->pane.id))
 843                         continue;
 844                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
 845                         {
 846                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", zoom, NULL);
 847                         continue;
 848                         }
 849                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
 850                         {
 851                         longitude = int_longitude / 1000000;
 852                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "longitude", longitude, NULL);
 853                         continue;
 854                         }
 855                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
 856                         {
 857                         latitude = int_latitude / 1000000;
 858                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "latitude", latitude, NULL);
 859                         continue;
 860                         }
 861                 log_printf("unknown attribute %s = %s\n", option, value);
 862         }
 863
 864         if (title)
 865                 {
 866                 bar_pane_translate_title(PANE_COMMENT, pgd->pane.id, &title);
 867                 gtk_label_set_text(GTK_LABEL(pgd->pane.title), title);
 868                 g_free(title);
 869                 }
 870
 871         gtk_widget_set_size_request(pgd->widget, -1, pgd->height);
 872         bar_update_expander(pane);
 873 }
 874
 875 #endif
 876 #endif
 877
 878 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */