src/bar_gps.c

   1 /*
   2  * Geeqie
   3  * (C) 2004 John Ellis
   4  * Copyright (C) 2008 - 2012 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/clutter-gtk.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         gchar *map_source;
  49         gint height;
  50         FileData *fd;
  51         ClutterActor *gps_view;
  52         ChamplainMarkerLayer *icon_layer;
  53         GList *selection_list;
  54         GList *not_added;
  55         ChamplainBoundingBox *bbox;
  56         guint num_added;
  57         guint create_markers_id;
  58         GtkWidget *progress;
  59         GtkWidget *slider;
  60         GtkWidget *state;
  61         gint selection_count;
  62         gboolean centre_map_checked;
  63         gboolean enable_markers_checked;
  64 };
  65
  66 static void bar_pane_gps_thumb_done_cb(ThumbLoader *tl, gpointer data)
  67 {
  68         FileData *fd;
  69         ClutterActor *marker;
  70         ClutterActor *actor;
  71
  72         marker = CLUTTER_ACTOR(data);
  73         fd = g_object_get_data(G_OBJECT(marker), "file_fd");
  74         if (fd->thumb_pixbuf != NULL)
  75                 {
  76                 actor = gtk_clutter_texture_new();
  77                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, NULL);
  78                 champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
  79                 }
  80         thumb_loader_free(tl);
  81 }
  82
  83 static void bar_pane_gps_thumb_error_cb(ThumbLoader *tl, gpointer data)
  84 {
  85         thumb_loader_free(tl);
  86 }
  87
  88 static gboolean bar_pane_gps_marker_keypress_cb(GtkWidget *widget, ClutterButtonEvent *bevent, gpointer data)
  89 {
  90         //PaneGPSData *pgd = data;
  91         FileData *fd;
  92         ClutterActor *marker;
  93         ClutterColor marker_colour = { MARKER_COLOUR };
  94         ClutterColor text_colour = { TEXT_COLOUR };
  95         ClutterColor thumb_colour = { THUMB_COLOUR };
  96         gchar *current_text;
  97         ClutterActor *actor;
  98         ClutterActor *current_image;
  99         GString *text;
 100         gint height, width, rotate;
 101         gchar *altitude = NULL;
 102         ThumbLoader *tl;
 103
 104         if (bevent->button == MOUSE_BUTTON_LEFT)
 105                 {
 106                 marker = CLUTTER_ACTOR(widget);
 107                 fd = g_object_get_data(G_OBJECT(marker), "file_fd");
 108
 109                 /* If the marker is showing a thumbnail, delete it
 110                  */
 111                 current_image = champlain_label_get_image(CHAMPLAIN_LABEL(marker));
 112                 if (current_image != NULL)
 113                         {
 114                         clutter_actor_destroy(CLUTTER_ACTOR(current_image));
 115                         champlain_label_set_image(CHAMPLAIN_LABEL(marker), NULL);
 116                         }
 117
 118                 current_text = g_strdup(champlain_label_get_text(CHAMPLAIN_LABEL(marker)));
 119
 120                 /* If the marker is showing only the text character, replace it with a
 121                  * thumbnail and date and altitude
 122                  */
 123                 if (g_strcmp0(current_text, "i") == 0)
 124                         {
 125                         /* If a thumbail has already been generated, use that. If not try the pixbuf of the full image.
 126                          * If not, call the thumb_loader to generate a thumbnail and update the marker later in the
 127                          * thumb_loader callback
 128                          */
 129                          if (fd->thumb_pixbuf != NULL)
 130                                 {
 131                                 actor = gtk_clutter_texture_new();
 132                                 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, NULL);
 133                                 champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
 134                                 }
 135                         else if (fd->pixbuf != NULL)
 136                                 {
 137                                 actor = gtk_clutter_texture_new();
 138                                 width = gdk_pixbuf_get_width (fd->pixbuf);
 139                                 height = gdk_pixbuf_get_height (fd->pixbuf);
 140                                 switch (fd->exif_orientation)
 141                                         {
 142                                         case 8:
 143                                                 rotate = GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE;
 144                                                 break;
 145                                         case 3:
 146                                                 rotate = GDK_PIXBUF_ROTATE_UPSIDEDOWN;
 147                                                 break;
 148                                         case 6:
 149                                                 rotate = GDK_PIXBUF_ROTATE_CLOCKWISE;
 150                                                 break;
 151                                         default:
 152                                                 rotate = GDK_PIXBUF_ROTATE_NONE;
 153                                         }
 154
 155                                         gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor),
 156                                                                                 gdk_pixbuf_rotate_simple(gdk_pixbuf_scale_simple(fd->pixbuf, THUMB_SIZE, height * THUMB_SIZE / width,
 157                                                                                 GDK_INTERP_NEAREST), rotate), NULL);
 158                                         champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
 159                                 }
 160                         else
 161                                 {
 162                                 tl = thumb_loader_new(THUMB_SIZE, THUMB_SIZE);
 163                                 thumb_loader_set_callbacks(tl,
 164                                                                                         bar_pane_gps_thumb_done_cb,
 165                                                                                         bar_pane_gps_thumb_error_cb,
 166                                                                                         NULL,
 167                                                                                         marker);
 168                                 thumb_loader_start(tl, fd);
 169                                 }
 170
 171                         text = g_string_new(fd->name);
 172                         g_string_append(text, "\n");
 173                         g_string_append(text, text_from_time(fd->date));
 174                         g_string_append(text, "\n");
 175                         altitude = metadata_read_string(fd, "formatted.GPSAltitude", METADATA_FORMATTED);
 176                         if (altitude != NULL)
 177                                 {
 178                                 g_string_append(text, altitude);
 179                                 }
 180
 181                         champlain_label_set_text(CHAMPLAIN_LABEL(marker), text->str);
 182                         champlain_label_set_color(CHAMPLAIN_LABEL(marker), &thumb_colour);
 183                         champlain_label_set_text_color(CHAMPLAIN_LABEL(marker), &text_colour);
 184                         champlain_label_set_font_name(CHAMPLAIN_LABEL(marker), "sans 8");
 185
 186                         g_free(altitude);
 187                         g_string_free(text, TRUE);
 188                         }
 189                 /* otherwise, revert to the hidden text marker
 190                  */
 191                 else
 192                         {
 193                         champlain_label_set_text(CHAMPLAIN_LABEL(marker), "i");
 194                         champlain_label_set_color(CHAMPLAIN_LABEL(marker), &marker_colour);
 195                         champlain_label_set_text_color(CHAMPLAIN_LABEL(marker), &marker_colour);
 196                         champlain_label_set_font_name(CHAMPLAIN_LABEL(marker), "courier 5");
 197                         }
 198
 199                 g_free(current_text);
 200
 201                 return TRUE;
 202                 }
 203         return TRUE;
 204 }
 205
 206 static gboolean bar_pane_gps_create_markers_cb(gpointer data)
 207 {
 208         PaneGPSData *pgd = data;
 209         gdouble latitude;
 210         gdouble longitude;
 211         ClutterActor *marker;
 212         FileData *fd;
 213         ClutterColor marker_colour = { MARKER_COLOUR };
 214         GString *message;
 215
 216         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress),
 217                                                         (gdouble)(pgd->selection_count - g_list_length(pgd->not_added)) /
 218                                                         (gdouble)pgd->selection_count);
 219
 220         message = g_string_new("");
 221         g_string_printf(message, "%i/%i", (pgd->selection_count - g_list_length(pgd->not_added)),
 222                                                                                                                                                         pgd->selection_count);
 223         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), message->str);
 224         g_string_free(message, TRUE);
 225
 226         if(pgd->not_added)
 227                 {
 228                 fd = pgd->not_added->data;
 229                 pgd->not_added = pgd->not_added->next;
 230
 231                 latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 1000);
 232                 longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 1000);
 233
 234                 if ((latitude != 1000) && (longitude != 1000))
 235                         {
 236                         pgd->num_added++;
 237
 238                         marker = champlain_label_new_with_text("i","courier 5", &marker_colour, &marker_colour);
 239
 240                         champlain_location_set_location(CHAMPLAIN_LOCATION(marker), latitude, longitude);
 241                         champlain_marker_layer_add_marker(pgd->icon_layer, CHAMPLAIN_MARKER(marker));
 242                         clutter_actor_set_reactive(marker, TRUE);
 243
 244                         g_signal_connect(G_OBJECT(marker), "button_release_event",
 245                                         G_CALLBACK(bar_pane_gps_marker_keypress_cb), pgd);
 246
 247                         g_object_set_data(G_OBJECT(marker), "file_fd", fd);
 248
 249                         champlain_bounding_box_extend(pgd->bbox, latitude, longitude);
 250                         }
 251                 return TRUE;
 252                 }
 253
 254         if (pgd->centre_map_checked)
 255                 {
 256                 if (pgd->num_added == 1)
 257                         {
 258                         champlain_bounding_box_get_center(pgd->bbox, &latitude, &longitude);
 259                         champlain_view_go_to(CHAMPLAIN_VIEW(pgd->gps_view), latitude, longitude);
 260                         }
 261                  else if (pgd->num_added > 1)
 262                         {
 263                         champlain_view_ensure_visible(CHAMPLAIN_VIEW(pgd->gps_view), pgd->bbox, TRUE);
 264                         }
 265                 }
 266         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress), 0);
 267         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), NULL);
 268         pgd->create_markers_id = 0;
 269
 270         return FALSE;
 271 }
 272
 273 static void bar_pane_gps_update(PaneGPSData *pgd)
 274 {
 275         GList *list;
 276
 277         /* The widget does not have a parent during bar_pane_gps_new, so calling gtk_widget_show_all there gives a
 278          * "Gtk-CRITICAL **: gtk_widget_realize: assertion `GTK_WIDGET_ANCHORED (widget) || GTK_IS_INVISIBLE (widget)' failed"
 279          * error. gtk_widget_show_all can be given after it has been added to the bar.
 280          */
 281         if (gtk_widget_get_parent(pgd->widget) != NULL)
 282                 gtk_widget_show_all(pgd->widget);
 283
 284         /* If a create-marker background process is running, kill it
 285          * and start again
 286          */
 287         if (pgd->create_markers_id != 0)
 288                 {
 289                 if (g_idle_remove_by_data(pgd))
 290                         {
 291                         pgd->create_markers_id = 0;
 292                         }
 293                 else
 294                         {
 295                         return;
 296                         }
 297                 }
 298
 299         /* Delete any markers currently displayed
 300          */
 301
 302         champlain_marker_layer_remove_all(pgd->icon_layer);
 303
 304         if (!pgd->enable_markers_checked)
 305                 {
 306                 return;
 307                 }
 308
 309         /* For each selected photo that has GPS data, create a marker containing
 310          * a single, small text character the same colour as the marker background.
 311          * Use a background process in case the user selects a large number of files.
 312          */
 313         filelist_free(pgd->selection_list);
 314         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 315
 316         list = layout_selection_list(pgd->pane.lw);
 317         list = file_data_process_groups_in_selection(list, FALSE, NULL);
 318
 319         pgd->selection_list = list;
 320         pgd->not_added = list;
 321
 322         pgd->bbox = champlain_bounding_box_new();
 323         pgd->selection_count = g_list_length(pgd->selection_list);
 324         pgd->create_markers_id = g_idle_add(bar_pane_gps_create_markers_cb, pgd);
 325         pgd->num_added = 0;
 326 }
 327
 328 void bar_pane_gps_set_map_source(PaneGPSData *pgd, const gchar *map_id)
 329 {
 330         ChamplainMapSource *map_source;
 331         ChamplainMapSourceFactory *map_factory;
 332
 333         map_factory = champlain_map_source_factory_dup_default();
 334         map_source = champlain_map_source_factory_create(map_factory, map_id);
 335
 336         if (map_source != NULL)
 337                 {
 338                 g_object_set(G_OBJECT(pgd->gps_view), "map-source", map_source, NULL);
 339                 }
 340
 341         g_object_unref(map_factory);
 342 }
 343
 344 void bar_pane_gps_enable_markers_checked_toggle_cb(GtkWidget *menu_widget, gpointer data)
 345 {
 346         PaneGPSData *pgd = data;
 347
 348         if (pgd->enable_markers_checked)
 349                 {
 350                 pgd->enable_markers_checked = FALSE;
 351                 }
 352         else
 353                 {
 354                 pgd->enable_markers_checked = TRUE;
 355                 }
 356 }
 357
 358 static void bar_pane_gps_centre_map_checked_toggle_cb(GtkWidget *menu_widget, gpointer data)
 359 {
 360         PaneGPSData *pgd = data;
 361
 362         if (pgd->centre_map_checked)
 363                 {
 364                 pgd->centre_map_checked = FALSE;
 365                 }
 366         else
 367                 {
 368                 pgd->centre_map_checked = TRUE;
 369                 }
 370 }
 371
 372 static void bar_pane_gps_change_map_cb(GtkWidget *widget, gpointer data)
 373 {
 374         PaneGPSData *pgd = data;
 375         gchar *mapsource;
 376
 377         if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget)))
 378                 return;
 379
 380         if (!pgd) return;
 381
 382         mapsource = g_object_get_data(G_OBJECT(widget), "menu_item_radio_data");
 383         bar_pane_gps_set_map_source(pgd, mapsource);
 384 }
 385
 386 static void bar_pane_gps_notify_selection(GtkWidget *bar, gint count)
 387 {
 388         PaneGPSData *pgd;
 389
 390         if (count == 0) return;
 391
 392         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 393         if (!pgd) return;
 394
 395         bar_pane_gps_update(pgd);
 396 }
 397
 398 static void bar_pane_gps_set_fd(GtkWidget *bar, FileData *fd)
 399 {
 400         PaneGPSData *pgd;
 401
 402         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 403         if (!pgd) return;
 404
 405         file_data_unref(pgd->fd);
 406         pgd->fd = file_data_ref(fd);
 407
 408         bar_pane_gps_update(pgd);
 409 }
 410
 411 static gint bar_pane_gps_event(GtkWidget *bar, GdkEvent *event)
 412 {
 413         PaneGPSData *pgd;
 414
 415         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 416         if (!pgd) return FALSE;
 417
 418         if (gtk_widget_has_focus(pgd->widget)) return gtk_widget_event(GTK_WIDGET(pgd->widget), event);
 419
 420         return FALSE;
 421 }
 422
 423 static void bar_pane_gps_write_config(GtkWidget *pane, GString *outstr, gint indent)
 424 {
 425         PaneGPSData *pgd;
 426         gint zoom;
 427         ChamplainMapSource *mapsource;
 428         const gchar *map_id;
 429         gchar *str = NULL;
 430         GString *buffer = g_string_new(str);
 431         gdouble position;
 432         gint int_position;
 433
 434         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 435         if (!pgd) return;
 436
 437         WRITE_NL();
 438         WRITE_STRING("<pane_gps ");
 439         write_char_option(outstr, indent, "id", pgd->pane.id);
 440         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(pgd->pane.title)));
 441         WRITE_BOOL(pgd->pane, expanded);
 442         WRITE_INT(*pgd, height);
 443         indent++;
 444
 445         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 446         map_id = champlain_map_source_get_id(mapsource);
 447         WRITE_NL();
 448         write_char_option(outstr, indent, "map-id", map_id);
 449
 450         g_object_get(G_OBJECT(pgd->gps_view), "zoom-level", &zoom, NULL);
 451         g_string_printf(buffer, "%d", zoom);
 452         WRITE_NL();
 453         write_char_option(outstr, indent, "zoom-level", buffer->str);
 454
 455         g_object_get(G_OBJECT(pgd->gps_view), "latitude", &position, NULL);
 456         int_position = position * 1000000;
 457         g_string_printf(buffer, "%i", int_position);
 458         WRITE_NL();
 459         write_char_option(outstr, indent, "latitude", buffer->str);
 460
 461         g_object_get(G_OBJECT(pgd->gps_view), "longitude", &position, NULL);
 462         int_position = position * 1000000;
 463         g_string_printf(buffer, "%i", int_position);
 464         WRITE_NL();
 465         write_char_option(outstr, indent, "longitude", buffer->str);
 466
 467         indent--;
 468         WRITE_NL();
 469         WRITE_STRING("/>");
 470
 471   g_object_unref(mapsource);
 472
 473 }
 474
 475 static void bar_pane_gps_slider_changed_cb(GtkScaleButton *slider,
 476                                            gdouble zoom,
 477                                            gpointer data)
 478 {
 479         PaneGPSData *pgd = data;
 480         GString *message;
 481
 482         message = g_string_new("");
 483         g_string_printf(message, _("Zoom %i"), (gint)zoom);
 484
 485         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", (gint)zoom, NULL);
 486         gtk_widget_set_tooltip_text(GTK_WIDGET(slider), message->str);
 487         g_string_free(message, TRUE);
 488
 489 }
 490 static void bar_pane_gps_view_state_changed_cb(ChamplainView *view,
 491                                                GParamSpec *gobject,
 492                                                gpointer data)
 493 {
 494         PaneGPSData *pgd = data;
 495         ChamplainState status;
 496         gint zoom;
 497         GString *message;
 498
 499         g_object_get(G_OBJECT(view), "zoom-level", &zoom, NULL);
 500         message = g_string_new("");
 501         g_string_printf(message, _("Zoom level %i"), zoom);
 502
 503         g_object_get(G_OBJECT(view), "state", &status, NULL);
 504         if (status == CHAMPLAIN_STATE_LOADING)
 505                 {
 506                 gtk_label_set_text(GTK_LABEL(pgd->state), _("Loading map"));
 507                 }
 508         else
 509                 {
 510                 gtk_label_set_text(GTK_LABEL(pgd->state), message->str);
 511                 }
 512
 513         gtk_widget_set_tooltip_text(GTK_WIDGET(pgd->slider), message->str);
 514         gtk_scale_button_set_value(GTK_SCALE_BUTTON(pgd->slider), (gdouble)zoom);
 515
 516         g_string_free(message, TRUE);
 517 }
 518
 519 static void bar_pane_gps_notify_cb(FileData *fd, NotifyType type, gpointer data)
 520 {
 521         PaneGPSData *pgd = data;
 522
 523         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) &&
 524             g_list_find(pgd->selection_list, fd))
 525                 {
 526                 bar_pane_gps_update(pgd);
 527                 }
 528 }
 529
 530 const gchar *bar_pane_gps_get_map_id(PaneGPSData *pgd)
 531 {
 532         const gchar *map_id;
 533         ChamplainMapSource *mapsource;
 534
 535         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 536         map_id = champlain_map_source_get_id(mapsource);
 537
 538         g_object_unref(mapsource);
 539
 540         return map_id;
 541 }
 542
 543 static GtkWidget *bar_pane_gps_menu(PaneGPSData *pgd)
 544 {
 545         GtkWidget *menu;
 546         GtkWidget *map_centre;
 547         ChamplainMapSourceFactory *map_factory;
 548         GSList *map_list;
 549         ChamplainMapSourceDesc *map_desc;
 550         const gchar *current;
 551
 552         menu = popup_menu_short_lived();
 553
 554         map_factory = champlain_map_source_factory_dup_default();
 555         map_list = champlain_map_source_factory_get_registered(map_factory);
 556         current = bar_pane_gps_get_map_id(pgd);
 557
 558         while (map_list)
 559                 {
 560                 map_desc = (ChamplainMapSourceDesc *)(map_list->data);
 561
 562                 menu_item_add_radio(menu,
 563                                     champlain_map_source_desc_get_name(map_desc),
 564                                     (gpointer)champlain_map_source_desc_get_id(map_desc),
 565                                     strcmp(champlain_map_source_desc_get_id(map_desc), current) == 0,
 566                                     G_CALLBACK(bar_pane_gps_change_map_cb), pgd);
 567
 568                 map_list = g_slist_next(map_list);
 569                 }
 570
 571         menu_item_add_divider(menu);
 572         menu_item_add_check(menu, _("Enable markers"), pgd->enable_markers_checked,
 573                             G_CALLBACK(bar_pane_gps_enable_markers_checked_toggle_cb), pgd);
 574         map_centre = menu_item_add_check(menu, _("Centre map on marker"), pgd->centre_map_checked,
 575                                          G_CALLBACK(bar_pane_gps_centre_map_checked_toggle_cb), pgd);
 576         if (!pgd->enable_markers_checked)
 577                 {
 578                 gtk_widget_set_sensitive(map_centre, FALSE);
 579                 }
 580
 581         g_slist_free(map_list);
 582         g_object_unref(map_factory);
 583
 584         return menu;
 585 }
 586
 587 /* Determine if the map is to be re-centred on the marker when another photo is selected
 588  */
 589 void bar_pane_gps_map_centreing(PaneGPSData *pgd)
 590 {
 591         GtkWidget *dialog;
 592         GString *message = g_string_new("");
 593
 594         if (pgd->centre_map_checked)
 595                 {
 596                 message = g_string_append(message, _("Move map centre to marker\n is disabled"));
 597                 pgd->centre_map_checked = FALSE;
 598                 }
 599         else
 600                 {
 601                 message = g_string_append(message, _("Move map centre to marker\n is enabled"));
 602                 pgd->centre_map_checked = TRUE;
 603                 }
 604
 605         dialog = gtk_message_dialog_new(NULL,
 606                                                           GTK_DIALOG_DESTROY_WITH_PARENT,
 607                                                           GTK_MESSAGE_INFO,
 608                                                           GTK_BUTTONS_CLOSE,
 609                                                           "%s", message->str);
 610         gtk_window_set_title(GTK_WINDOW(dialog), _("Map Centreing"));
 611         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_MOUSE);
 612         gtk_dialog_run(GTK_DIALOG(dialog));
 613
 614         gtk_widget_destroy(dialog);
 615         g_string_free(message, TRUE);
 616 }
 617
 618 static gboolean bar_pane_gps_map_keypress_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 619 {
 620         PaneGPSData *pgd = data;
 621         GtkWidget *menu;
 622
 623         if (bevent->button == MOUSE_BUTTON_RIGHT)
 624                 {
 625                 menu = bar_pane_gps_menu(pgd);
 626                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, bevent->button, bevent->time);
 627                 return TRUE;
 628                 }
 629         else if (bevent->button == MOUSE_BUTTON_MIDDLE)
 630                 {
 631                 bar_pane_gps_map_centreing(pgd);
 632                 return TRUE;
 633                 }
 634         else if (bevent->button == MOUSE_BUTTON_LEFT)
 635                 {
 636                 return FALSE;
 637                 }
 638         else
 639                 {
 640                 return FALSE;
 641                 }
 642 }
 643
 644 static void bar_pane_gps_destroy(GtkWidget *widget, gpointer data)
 645 {
 646         PaneGPSData *pgd = data;
 647
 648         file_data_unregister_notify_func(bar_pane_gps_notify_cb, pgd);
 649
 650         g_idle_remove_by_data(pgd);
 651
 652         filelist_free(pgd->selection_list);
 653         if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
 654
 655         file_data_unref(pgd->fd);
 656         g_free(pgd->map_source);
 657         g_free(pgd->pane.id);
 658         clutter_actor_destroy(pgd->gps_view);
 659         g_free(pgd);
 660 }
 661
 662
 663 GtkWidget *bar_pane_gps_new(const gchar *id, const gchar *title, const gchar *map_id,
 664                                                 const gint zoom, const gdouble latitude, const gdouble longitude,
 665                                         gboolean expanded, gint height)
 666 {
 667         PaneGPSData *pgd;
 668         GtkWidget *vbox, *frame;
 669         GtkWidget *gpswidget;
 670         GtkWidget *status, *state, *progress, *slider;
 671         ChamplainMarkerLayer *layer;
 672         ChamplainView *view;
 673         const gchar *slider_list[] = {"zoom-in", "zoom-out", NULL};
 674         const gchar **slider_icons = slider_list;
 675
 676         pgd = g_new0(PaneGPSData, 1);
 677
 678         pgd->pane.pane_set_fd = bar_pane_gps_set_fd;
 679         pgd->pane.pane_notify_selection = bar_pane_gps_notify_selection;
 680         pgd->pane.pane_event = bar_pane_gps_event;
 681         pgd->pane.pane_write_config = bar_pane_gps_write_config;
 682         pgd->pane.title = bar_pane_expander_title(title);
 683         pgd->pane.id = g_strdup(id);
 684         pgd->pane.type = PANE_GPS;
 685         pgd->pane.expanded = expanded;
 686         pgd->height = height;
 687
 688         frame = gtk_frame_new(NULL);
 689         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 690
 691         gpswidget = gtk_champlain_embed_new();
 692         view = gtk_champlain_embed_get_view(GTK_CHAMPLAIN_EMBED(gpswidget));
 693
 694         gtk_box_pack_start(GTK_BOX(vbox), gpswidget, TRUE, TRUE, 0);
 695         gtk_container_add(GTK_CONTAINER(frame), vbox);
 696
 697         status = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,0);
 698         slider = gtk_scale_button_new(GTK_ICON_SIZE_SMALL_TOOLBAR, 1, 17, 1, slider_icons);
 699         gtk_widget_set_tooltip_text(slider, "Zoom");
 700         gtk_scale_button_set_value(GTK_SCALE_BUTTON(slider), (gdouble)zoom);
 701
 702         progress = gtk_progress_bar_new();
 703         state = gtk_label_new("");
 704         gtk_label_set_justify(GTK_LABEL(state), GTK_JUSTIFY_CENTER);
 705
 706         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(slider), FALSE, FALSE, 0);
 707         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(state), FALSE, FALSE, 5);
 708         gtk_box_pack_end(GTK_BOX(status), GTK_WIDGET(progress), FALSE, FALSE, 0);
 709         gtk_box_pack_end(GTK_BOX(vbox),GTK_WIDGET(status), FALSE, FALSE, 0);
 710
 711         layer = champlain_marker_layer_new();
 712         champlain_view_add_layer(view, CHAMPLAIN_LAYER(layer));
 713
 714         pgd->icon_layer = layer;
 715         pgd->gps_view = CLUTTER_ACTOR(view);
 716         pgd->widget = frame;
 717         pgd->progress = progress;
 718         pgd->slider = slider;
 719         pgd->state = state;
 720
 721         bar_pane_gps_set_map_source(pgd, map_id);
 722
 723         g_object_set(G_OBJECT(view), "kinetic-mode", TRUE,
 724                                      "zoom-level", zoom,
 725                                      "keep-center-on-resize", TRUE,
 726                                      "deceleration", 1.1,
 727                                      "zoom-on-double-click", FALSE,
 728                                      "max-zoom-level", 17,
 729                                      "min-zoom-level", 1,
 730                                      NULL);
 731         champlain_view_center_on(view, latitude, longitude);
 732         pgd->centre_map_checked = TRUE;
 733         g_object_set_data(G_OBJECT(pgd->widget), "pane_data", pgd);
 734         g_signal_connect(G_OBJECT(pgd->widget), "destroy", G_CALLBACK(bar_pane_gps_destroy), pgd);
 735
 736         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
 737
 738         gtk_widget_set_size_request(pgd->widget, -1, height);
 739
 740         g_signal_connect(G_OBJECT(gpswidget), "button_press_event", G_CALLBACK(bar_pane_gps_map_keypress_cb), pgd);
 741         g_signal_connect(pgd->gps_view, "notify::state", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
 742         g_signal_connect(pgd->gps_view, "notify::zoom-level", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
 743         g_signal_connect(G_OBJECT(slider), "value-changed", G_CALLBACK(bar_pane_gps_slider_changed_cb), pgd);
 744
 745         file_data_register_notify_func(bar_pane_gps_notify_cb, pgd, NOTIFY_PRIORITY_LOW);
 746
 747         pgd->create_markers_id = 0;
 748         pgd->enable_markers_checked = TRUE;
 749         pgd->centre_map_checked = TRUE;
 750
 751         return pgd->widget;
 752 }
 753
 754 GtkWidget *bar_pane_gps_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
 755 {
 756         gchar *title = g_strdup(_("GPS Map"));
 757         gchar *map_id = NULL;
 758         gboolean expanded = TRUE;
 759         gint height = 350;
 760         gint zoom = 7;
 761         gdouble latitude;
 762         gdouble longitude;
 763         /* Latitude and longitude are stored in the config file as an integer of
 764          * (actual value * 1,000,000). There is no READ_DOUBLE utilty function.
 765          */
 766         gint int_latitude = 54000000;
 767         gint int_longitude = -4000000;
 768         gchar *id = g_strdup("gps");
 769         GtkWidget *ret;
 770
 771         while (*attribute_names)
 772                 {
 773                 const gchar *option = *attribute_names++;
 774                 const gchar *value = *attribute_values++;
 775
 776                 if (READ_CHAR_FULL("title", title))
 777                         continue;
 778                 if (READ_CHAR_FULL("map-id", map_id))
 779                         continue;
 780                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 20))
 781                         continue;
 782                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
 783                         continue;
 784                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
 785                         continue;
 786                 if (READ_BOOL_FULL("expanded", expanded))
 787                         continue;
 788                 if (READ_INT_FULL("height", height))
 789                         continue;
 790                 if (READ_CHAR_FULL("id", id))
 791                         continue;
 792
 793                 log_printf("unknown attribute %s = %s\n", option, value);
 794                 }
 795
 796         bar_pane_translate_title(PANE_COMMENT, id, &title);
 797         latitude = int_latitude / 1000000;
 798         longitude = int_longitude / 1000000;
 799         ret = bar_pane_gps_new(id, title, map_id, zoom, latitude, longitude, expanded, height);
 800         g_free(title);
 801         g_free(map_id);
 802         g_free(id);
 803         return ret;
 804 }
 805
 806 void bar_pane_gps_update_from_config(GtkWidget *pane, const gchar **attribute_names,
 807                                                                                 const gchar **attribute_values)
 808 {
 809         PaneGPSData *pgd;
 810         gint zoom;
 811         gint int_longitude, int_latitude;
 812         gdouble longitude, latitude;
 813
 814         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 815         if (!pgd)
 816                 return;
 817
 818         gchar *title = NULL;
 819
 820         while (*attribute_names)
 821         {
 822                 const gchar *option = *attribute_names++;
 823                 const gchar *value = *attribute_values++;
 824
 825                 if (READ_CHAR_FULL("title", title))
 826                         continue;
 827                 if (READ_CHAR_FULL("map-id", pgd->map_source))
 828                         continue;
 829                 if (READ_BOOL_FULL("expanded", pgd->pane.expanded))
 830                         continue;
 831                 if (READ_INT_FULL("height", pgd->height))
 832                         continue;
 833                 if (READ_CHAR_FULL("id", pgd->pane.id))
 834                         continue;
 835                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
 836                         {
 837                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", zoom, NULL);
 838                         continue;
 839                         }
 840                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
 841                         {
 842                         longitude = int_longitude / 1000000;
 843                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "longitude", longitude, NULL);
 844                         continue;
 845                         }
 846                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
 847                         {
 848                         latitude = int_latitude / 1000000;
 849                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "latitude", latitude, NULL);
 850                         continue;
 851                         }
 852                 log_printf("unknown attribute %s = %s\n", option, value);
 853         }
 854
 855         if (title)
 856                 {
 857                 bar_pane_translate_title(PANE_COMMENT, pgd->pane.id, &title);
 858                 gtk_label_set_text(GTK_LABEL(pgd->pane.title), title);
 859                 g_free(title);
 860                 }
 861
 862         gtk_widget_set_size_request(pgd->widget, -1, pgd->height);
 863         bar_update_expander(pane);
 864 }
 865
 866 #endif
 867 #endif
 868
 869 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */