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 the file has a parent, it must be a sidecar file. Do not process sidecar files
 231                 */
 232                 if (fd != NULL && fd->parent == NULL)
 233                         {
 234                         latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 1000);
 235                         longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 1000);
 236
 237                         if ((latitude != 1000) && (longitude != 1000))
 238                                 {
 239                                 marker = champlain_marker_new_with_text("i","courier 5", &marker_colour, &marker_colour);
 240
 241                                 champlain_base_marker_set_position(CHAMPLAIN_BASE_MARKER(marker), latitude, longitude);
 242                                 clutter_container_add(CLUTTER_CONTAINER(pgd->icon_layer), marker, NULL);
 243                                 clutter_actor_set_reactive(marker, TRUE);
 244
 245                                 g_signal_connect(G_OBJECT(marker), "button_press_event",
 246                                                                                 G_CALLBACK(bar_pane_gps_marker_keypress_cb), pgd);
 247
 248                                 g_object_set_data(G_OBJECT(marker), "file_fd", fd);
 249
 250                                 g_ptr_array_add(pgd->marker_list, marker);
 251                                 if (pgd->centre_map_checked)
 252                                         {
 253                                         g_ptr_array_add(pgd->marker_list, NULL);
 254                                         champlain_view_ensure_markers_visible(CHAMPLAIN_VIEW(pgd->gps_view),
 255                                                                                                         (void *)pgd->marker_list->pdata, FALSE);
 256                                         g_ptr_array_remove(pgd->marker_list, NULL);
 257                                         }
 258                                 }
 259                         }
 260                 return TRUE;
 261                 }
 262
 263         if (pgd->marker_list->len >= 1)
 264                 {
 265                 g_ptr_array_add(pgd->marker_list, NULL);
 266
 267                 if (pgd->centre_map_checked)
 268                         {
 269                         champlain_view_ensure_markers_visible(CHAMPLAIN_VIEW(pgd->gps_view), (void *)pgd->marker_list->pdata, FALSE);
 270                         }
 271                 }
 272
 273         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress), 0);
 274         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), NULL);
 275         g_list_free(pgd->selection_list);
 276         g_ptr_array_free(pgd->marker_list, TRUE);
 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         GList *work;
 286
 287         /* The widget does not have a parent during bar_pane_gps_new, so calling gtk_widget_show_all there gives a
 288          * "Gtk-CRITICAL **: gtk_widget_realize: assertion `GTK_WIDGET_ANCHORED (widget) || GTK_IS_INVISIBLE (widget)' failed"
 289          * error. gtk_widget_show_all can be given after it has been added to the bar.
 290          */
 291         if (gtk_widget_get_parent(pgd->widget) != NULL)
 292                 gtk_widget_show_all(pgd->widget);
 293
 294         /* If a create-marker background process is running, kill it
 295          * and start again
 296          */
 297         if (pgd->create_markers_id != 0)
 298                 {
 299                 if (g_idle_remove_by_data(pgd))
 300                         {
 301                         pgd->create_markers_id = 0;
 302                         }
 303                 else
 304                         {
 305                         return;
 306                         }
 307                 }
 308
 309         /* Delete any markers currently displayed
 310          */
 311         work = clutter_container_get_children(CLUTTER_CONTAINER(pgd->icon_layer));
 312         while (work)
 313                 {
 314                 clutter_container_remove(CLUTTER_CONTAINER(pgd->icon_layer), work->data, NULL);
 315                 work = work->next;
 316                 }
 317         g_list_free(work);
 318
 319         if (!pgd->enable_markers_checked)
 320                 {
 321                 return;
 322                 }
 323
 324         /* For each selected photo that has GPS data, create a marker containing
 325          * a single, small text character the same colour as the marker background.
 326          * Use a background process in case the user selects a large number of files.
 327          */
 328         list = layout_selection_list(pgd->pane.lw);
 329
 330         if (list != NULL)
 331                 {
 332                 pgd->selection_list = g_list_copy(list);
 333                 pgd->marker_list = g_ptr_array_new();
 334                 pgd->selection_count = g_list_length(pgd->selection_list);
 335                 pgd->create_markers_id = g_idle_add(bar_pane_gps_create_markers_cb, pgd);
 336                 }
 337
 338         g_list_free(list);
 339         g_list_free(work);
 340 }
 341
 342 void bar_pane_gps_set_map_source(PaneGPSData *pgd, const gchar *map_id)
 343 {
 344         ChamplainMapSource *map_source;
 345         ChamplainMapSourceFactory *map_factory;
 346
 347 #if CHAMPLAIN_CHECK_VERSION(0,3,2)
 348         map_factory = champlain_map_source_factory_dup_default();
 349 #else
 350         map_factory = champlain_map_source_factory_get_default();
 351 #endif
 352         map_source = champlain_map_source_factory_create(map_factory, map_id);
 353
 354         if (map_source != NULL)
 355                 {
 356                 g_object_set(G_OBJECT(pgd->gps_view), "map-source", map_source, NULL);
 357                 g_object_unref(map_factory);
 358                 }
 359
 360         g_object_unref(map_source);
 361 }
 362
 363 void bar_pane_gps_enable_markers_checked_toggle_cb(GtkWidget *menu_widget, gpointer data)
 364 {
 365         PaneGPSData *pgd = data;
 366
 367         if (pgd->enable_markers_checked)
 368                 {
 369                 pgd->enable_markers_checked = FALSE;
 370                 }
 371         else
 372                 {
 373                 pgd->enable_markers_checked = TRUE;
 374                 }
 375 }
 376
 377 static void bar_pane_gps_centre_map_checked_toggle_cb(GtkWidget *menu_widget, gpointer data)
 378 {
 379         PaneGPSData *pgd = data;
 380
 381         if (pgd->centre_map_checked)
 382                 {
 383                 pgd->centre_map_checked = FALSE;
 384                 }
 385         else
 386                 {
 387                 pgd->centre_map_checked = TRUE;
 388                 }
 389 }
 390
 391 static void bar_pane_gps_change_map_cb(GtkWidget *widget, gpointer data)
 392 {
 393         PaneGPSData *pgd = data;
 394         gchar *mapsource;
 395
 396         if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget)))
 397                 return;
 398
 399         if (!pgd) return;
 400
 401         mapsource = g_object_get_data(G_OBJECT(widget), "menu_item_radio_data");
 402         bar_pane_gps_set_map_source(pgd, mapsource);
 403 }
 404
 405 static void bar_pane_gps_notify_selection(GtkWidget *bar, gint count)
 406 {
 407         PaneGPSData *pgd;
 408
 409         if (count == 0) return;
 410
 411         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 412         if (!pgd) return;
 413
 414         bar_pane_gps_update(pgd);
 415 }
 416
 417 static void bar_pane_gps_set_fd(GtkWidget *bar, FileData *fd)
 418 {
 419         PaneGPSData *pgd;
 420
 421         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 422         if (!pgd) return;
 423
 424         file_data_unref(pgd->fd);
 425         pgd->fd = file_data_ref(fd);
 426
 427         bar_pane_gps_update(pgd);
 428 }
 429
 430 static gint bar_pane_gps_event(GtkWidget *bar, GdkEvent *event)
 431 {
 432         PaneGPSData *pgd;
 433
 434         pgd = g_object_get_data(G_OBJECT(bar), "pane_data");
 435         if (!pgd) return FALSE;
 436
 437         if (GTK_WIDGET_HAS_FOCUS(pgd->widget)) return gtk_widget_event(GTK_WIDGET(pgd->widget), event);
 438
 439         return FALSE;
 440 }
 441
 442 static void bar_pane_gps_write_config(GtkWidget *pane, GString *outstr, gint indent)
 443 {
 444         PaneGPSData *pgd;
 445         gint zoom;
 446         ChamplainMapSource *mapsource;
 447         const gchar *map_id;
 448         gchar *str = NULL;
 449         GString *buffer = g_string_new(str);
 450         gdouble position;
 451         gint int_position;
 452
 453         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 454         if (!pgd) return;
 455
 456         WRITE_NL();
 457         WRITE_STRING("<pane_gps ");
 458         write_char_option(outstr, indent, "id", pgd->pane.id);
 459         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(pgd->pane.title)));
 460         WRITE_BOOL(pgd->pane, expanded);
 461         WRITE_INT(*pgd, height);
 462         indent++;
 463
 464         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 465         map_id = champlain_map_source_get_id(mapsource);
 466         WRITE_NL();
 467         write_char_option(outstr, indent, "map-id", map_id);
 468
 469         g_object_get(G_OBJECT(pgd->gps_view), "zoom-level", &zoom, NULL);
 470         g_string_printf(buffer, "%d", zoom);
 471         WRITE_NL();
 472         write_char_option(outstr, indent, "zoom-level", buffer->str);
 473
 474         g_object_get(G_OBJECT(pgd->gps_view), "latitude", &position, NULL);
 475         int_position = position * 1000000;
 476         g_string_printf(buffer, "%i", int_position);
 477         WRITE_NL();
 478         write_char_option(outstr, indent, "latitude", buffer->str);
 479
 480         g_object_get(G_OBJECT(pgd->gps_view), "longitude", &position, NULL);
 481         int_position = position * 1000000;
 482         g_string_printf(buffer, "%i", int_position);
 483         WRITE_NL();
 484         write_char_option(outstr, indent, "longitude", buffer->str);
 485
 486         indent--;
 487         WRITE_NL();
 488         WRITE_STRING("/>");
 489
 490   g_object_unref(mapsource);
 491
 492 }
 493
 494 static void bar_pane_gps_slider_changed_cb(GtkScaleButton *slider,
 495                                            gdouble zoom,
 496                                            gpointer data)
 497 {
 498         PaneGPSData *pgd = data;
 499         GString *message;
 500
 501         message = g_string_new("");
 502         g_string_printf(message, _("Zoom %i"), (gint)zoom);
 503
 504         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", (gint)zoom, NULL);
 505         gtk_widget_set_tooltip_text(GTK_WIDGET(slider), message->str);
 506         g_string_free(message, TRUE);
 507
 508 }
 509 static void bar_pane_gps_view_state_changed_cb(ChamplainView *view,
 510                                                GParamSpec *gobject,
 511                                                gpointer data)
 512 {
 513         PaneGPSData *pgd = data;
 514         ChamplainState status;
 515         gint zoom;
 516         GString *message;
 517
 518         g_object_get(G_OBJECT(view), "zoom-level", &zoom, NULL);
 519         message = g_string_new("");
 520         g_string_printf(message, _("Zoom level %i"), zoom);
 521
 522         g_object_get(G_OBJECT(view), "state", &status, NULL);
 523         if (status == CHAMPLAIN_STATE_LOADING)
 524                 {
 525                 gtk_label_set_text(GTK_LABEL(pgd->state), _("Loading map"));
 526                 }
 527         else
 528                 {
 529                 gtk_label_set_text(GTK_LABEL(pgd->state), message->str);
 530                 }
 531
 532         gtk_widget_set_tooltip_text(GTK_WIDGET(pgd->slider), message->str);
 533         gtk_scale_button_set_value(GTK_SCALE_BUTTON(pgd->slider), (gdouble)zoom);
 534
 535         g_string_free(message, TRUE);
 536 }
 537
 538 static void bar_pane_gps_notify_cb(FileData *fd, NotifyType type, gpointer data)
 539 {
 540         PaneGPSData *pgd = data;
 541
 542         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) && fd == pgd->fd)
 543                 {
 544                 bar_pane_gps_update(pgd);
 545                 }
 546 }
 547
 548 const gchar *bar_pane_gps_get_map_id(PaneGPSData *pgd)
 549 {
 550         const gchar *map_id;
 551         ChamplainMapSource *mapsource;
 552
 553         g_object_get(G_OBJECT(pgd->gps_view), "map-source", &mapsource, NULL);
 554         map_id = champlain_map_source_get_id(mapsource);
 555
 556         g_object_unref(mapsource);
 557
 558         return map_id;
 559 }
 560
 561 static GtkWidget *bar_pane_gps_menu(PaneGPSData *pgd)
 562 {
 563         GtkWidget *menu;
 564         GtkWidget *map_centre;
 565         GtkWidget *parent;
 566         ChamplainMapSourceFactory *map_factory;
 567         GSList *map_list;
 568         ChamplainMapSourceDesc *map_desc;
 569         const gchar *current;
 570
 571         menu = popup_menu_short_lived();
 572
 573 #if CHAMPLAIN_CHECK_VERSION(0,3,2)
 574         map_factory = champlain_map_source_factory_dup_default();
 575         map_list = champlain_map_source_factory_dup_list(map_factory);
 576 #else
 577         map_factory = champlain_map_source_factory_get_default();
 578         map_list = champlain_map_source_factory_get_list(map_factory);
 579 #endif
 580         current = bar_pane_gps_get_map_id(pgd);
 581
 582         while (map_list)
 583                 {
 584                 map_desc = (ChamplainMapSourceDesc *)(map_list->data);
 585
 586                 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);
 587
 588                 map_list = g_slist_next(map_list);
 589                 }
 590
 591         menu_item_add_divider(menu);
 592         menu_item_add_check(menu, _("Enable markers"), pgd->enable_markers_checked,
 593                                                                                         G_CALLBACK(bar_pane_gps_enable_markers_checked_toggle_cb), pgd);
 594         map_centre = menu_item_add_check(menu, _("Centre map on marker"), pgd->centre_map_checked,
 595                                                                                         G_CALLBACK(bar_pane_gps_centre_map_checked_toggle_cb), pgd);
 596         if (!pgd->enable_markers_checked)
 597                 {
 598                 gtk_widget_set_sensitive(map_centre, FALSE);
 599                 }
 600
 601         g_slist_free(map_list);
 602         g_object_unref(map_factory);
 603         //g_object_unref(map_centre);
 604
 605         return menu;
 606 }
 607
 608 /* Determine if the map is to be re-centred on the marker when another photo is selected
 609  */
 610 void bar_pane_gps_map_centreing(PaneGPSData *pgd)
 611 {
 612         GtkWidget *dialog;
 613         GString *message = g_string_new("");
 614
 615         if (pgd->centre_map_checked)
 616                 {
 617                 message = g_string_append(message, _("Move map centre to marker\n is disabled"));
 618                 pgd->centre_map_checked = FALSE;
 619                 }
 620         else
 621                 {
 622                 message = g_string_append(message, _("Move map centre to marker\n is enabled"));
 623                 pgd->centre_map_checked = TRUE;
 624                 }
 625
 626         dialog = gtk_message_dialog_new(NULL,
 627                                                           GTK_DIALOG_DESTROY_WITH_PARENT,
 628                                                           GTK_MESSAGE_INFO,
 629                                                           GTK_BUTTONS_CLOSE,
 630                                                           "%s", message->str);
 631         gtk_window_set_title(GTK_WINDOW(dialog), _("Map Centreing"));
 632         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_MOUSE);
 633         gtk_dialog_run(GTK_DIALOG(dialog));
 634
 635         gtk_widget_destroy(dialog);
 636         g_string_free(message, TRUE);
 637 }
 638
 639 static gboolean bar_pane_gps_map_keypress_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 640 {
 641         PaneGPSData *pgd = data;
 642         GtkWidget *menu;
 643
 644         if (bevent->button == MOUSE_BUTTON_RIGHT)
 645                 {
 646                 menu = bar_pane_gps_menu(pgd);
 647                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, bevent->button, bevent->time);
 648                 return TRUE;
 649                 }
 650         else if (bevent->button == MOUSE_BUTTON_MIDDLE)
 651                 {
 652                 bar_pane_gps_map_centreing(pgd);
 653                 return TRUE;
 654                 }
 655         else if (bevent->button == MOUSE_BUTTON_LEFT)
 656                 {
 657                 return FALSE;
 658                 }
 659         else
 660                 {
 661                 return FALSE;
 662                 }
 663 }
 664
 665 static void bar_pane_gps_destroy(GtkWidget *widget, gpointer data)
 666 {
 667         PaneGPSData *pgd = data;
 668
 669         file_data_unregister_notify_func(bar_pane_gps_notify_cb, pgd);
 670
 671         file_data_unref(pgd->fd);
 672         g_free(pgd->map_source);
 673         g_free(pgd->pane.id);
 674         clutter_actor_destroy(pgd->gps_view);
 675         g_free(pgd);
 676 }
 677
 678
 679 GtkWidget *bar_pane_gps_new(const gchar *id, const gchar *title, const gchar *map_id,
 680                                                 const gint zoom, const gdouble latitude, const gdouble longitude,
 681                                         gboolean expanded, gint height)
 682 {
 683         PaneGPSData *pgd;
 684         GtkWidget *vbox, *scrolled;
 685         GtkWidget *gpswidget, *viewport;
 686         GtkWidget *status, *state, *progress, *slider;
 687         ChamplainLayer *layer;
 688         ChamplainView *view;
 689         const gchar *slider_list[] = {GTK_STOCK_ZOOM_IN, GTK_STOCK_ZOOM_OUT, NULL};
 690         const gchar **slider_icons = slider_list;
 691
 692         pgd = g_new0(PaneGPSData, 1);
 693
 694         pgd->pane.pane_set_fd = bar_pane_gps_set_fd;
 695         pgd->pane.pane_notify_selection = bar_pane_gps_notify_selection;
 696         pgd->pane.pane_event = bar_pane_gps_event;
 697         pgd->pane.pane_write_config = bar_pane_gps_write_config;
 698         pgd->pane.title = bar_pane_expander_title(title);
 699         pgd->pane.id = g_strdup(id);
 700         pgd->pane.type = PANE_GPS;
 701         pgd->pane.expanded = expanded;
 702         pgd->height = height;
 703
 704         scrolled = gtk_scrolled_window_new(NULL, NULL);
 705         vbox = gtk_vbox_new(FALSE, 0);
 706
 707 #ifdef GTK_CHAMPLAIN_EMBED
 708         gpswidget = gtk_champlain_embed_new();
 709         view = gtk_champlain_embed_get_view(GTK_CHAMPLAIN_EMBED(gpswidget));
 710 #else
 711         view = champlain_view_new();
 712         gpswidget = champlain_view_embed_new(view);
 713 #endif
 714         viewport = gtk_viewport_new(NULL, NULL);
 715
 716         gtk_container_add(GTK_CONTAINER(viewport), gpswidget);
 717         gtk_box_pack_start(GTK_BOX(vbox),viewport, TRUE, TRUE, 0);
 718         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolled), vbox);
 719
 720         status = gtk_hbox_new(FALSE,0);
 721         slider = gtk_scale_button_new(GTK_ICON_SIZE_SMALL_TOOLBAR, 1, 17, 1, slider_icons);
 722         gtk_widget_set_tooltip_text(slider, "Zoom");
 723         gtk_scale_button_set_value(GTK_SCALE_BUTTON(slider), (gdouble)zoom);
 724
 725         progress = gtk_progress_bar_new();
 726         state = gtk_label_new("");
 727         gtk_label_set_justify(GTK_LABEL(state), GTK_JUSTIFY_CENTER);
 728
 729         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(slider), FALSE, FALSE, 0);
 730         gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(state), FALSE, FALSE, 5);
 731         gtk_box_pack_end(GTK_BOX(status), GTK_WIDGET(progress), FALSE, FALSE, 0);
 732         gtk_box_pack_end(GTK_BOX(vbox),GTK_WIDGET(status), FALSE, FALSE, 0);
 733
 734         layer = champlain_layer_new();
 735         champlain_view_add_layer(view, layer);
 736
 737         pgd->icon_layer = layer;
 738         pgd->gps_view = CLUTTER_ACTOR(view);
 739         pgd->widget = scrolled;
 740         pgd->progress = progress;
 741         pgd->slider = slider;
 742         pgd->state = state;
 743
 744         bar_pane_gps_set_map_source(pgd, map_id);
 745
 746         g_object_set(G_OBJECT(view), "scroll-mode", CHAMPLAIN_SCROLL_MODE_KINETIC,
 747                                      "zoom-level", zoom,
 748                                      "keep-center-on-resize", TRUE,
 749                                      "decel-rate", 1.0,
 750                                      "show-license", TRUE,
 751                                      "zoom-on-double-click", FALSE,
 752                                      "max-zoom-level", 17,
 753                                      "min-zoom-level", 1,
 754                                      NULL);
 755         champlain_view_center_on(view, latitude, longitude);
 756         pgd->centre_map_checked = TRUE;
 757         g_object_set_data(G_OBJECT(pgd->widget), "pane_data", pgd);
 758         g_signal_connect(G_OBJECT(pgd->widget), "destroy", G_CALLBACK(bar_pane_gps_destroy), pgd);
 759
 760         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
 761         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
 762
 763         gtk_widget_set_size_request(pgd->widget, -1, height);
 764
 765         clutter_set_motion_events_enabled(TRUE);
 766         g_signal_connect(G_OBJECT(vbox), "button_press_event", G_CALLBACK(bar_pane_gps_map_keypress_cb), pgd);
 767         g_signal_connect(pgd->gps_view, "notify::state", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
 768         g_signal_connect(pgd->gps_view, "notify::zoom-level", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
 769         g_signal_connect(G_OBJECT(slider), "value-changed", G_CALLBACK(bar_pane_gps_slider_changed_cb), pgd);
 770
 771         file_data_register_notify_func(bar_pane_gps_notify_cb, pgd, NOTIFY_PRIORITY_LOW);
 772
 773         pgd->create_markers_id = 0;
 774         pgd->enable_markers_checked = TRUE;
 775         pgd->centre_map_checked = TRUE;
 776
 777         return pgd->widget;
 778 }
 779
 780 GtkWidget *bar_pane_gps_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
 781 {
 782         gchar *title = g_strdup(_("GPS Map"));
 783         gchar *map_id = NULL;
 784         gboolean expanded = TRUE;
 785         gint height = 350;
 786         gint zoom = 7;
 787         gdouble latitude;
 788         gdouble longitude;
 789         /* Latitude and longitude are stored in the config file as an integer of
 790          * (actual value * 1,000,000). There is no READ_DOUBLE utilty function.
 791          */
 792         gint int_latitude = 54000000;
 793         gint int_longitude = -4000000;
 794         gchar *id = g_strdup("gps");
 795         GtkWidget *ret;
 796
 797         while (*attribute_names)
 798                 {
 799                 const gchar *option = *attribute_names++;
 800                 const gchar *value = *attribute_values++;
 801
 802                 if (READ_CHAR_FULL("title", title))
 803                         continue;
 804                 if (READ_CHAR_FULL("map-id", map_id))
 805                         continue;
 806                 /* There is a bug in the libchamplain libraries which prevents correct
 807                  * initialisation if the zoom level starts higher than 8
 808                  */
 809                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
 810                         continue;
 811                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
 812                         continue;
 813                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
 814                         continue;
 815                 if (READ_BOOL_FULL("expanded", expanded))
 816                         continue;
 817                 if (READ_INT_FULL("height", height))
 818                         continue;
 819                 if (READ_CHAR_FULL("id", id))
 820                         continue;
 821
 822                 log_printf("unknown attribute %s = %s\n", option, value);
 823                 }
 824
 825         bar_pane_translate_title(PANE_COMMENT, id, &title);
 826         latitude = int_latitude / 1000000;
 827         longitude = int_longitude / 1000000;
 828         ret = bar_pane_gps_new(id, title, map_id, zoom, latitude, longitude, expanded, height);
 829         g_free(title);
 830         g_free(map_id);
 831         g_free(id);
 832         return ret;
 833 }
 834
 835 void bar_pane_gps_update_from_config(GtkWidget *pane, const gchar **attribute_names,
 836                                                                                 const gchar **attribute_values)
 837 {
 838         PaneGPSData *pgd;
 839         gint zoom;
 840         gint int_longitude, int_latitude;
 841         gdouble longitude, latitude;
 842
 843         pgd = g_object_get_data(G_OBJECT(pane), "pane_data");
 844         if (!pgd)
 845                 return;
 846
 847         gchar *title = NULL;
 848
 849         while (*attribute_names)
 850         {
 851                 const gchar *option = *attribute_names++;
 852                 const gchar *value = *attribute_values++;
 853
 854                 if (READ_CHAR_FULL("title", title))
 855                         continue;
 856                 if (READ_CHAR_FULL("map-id", pgd->map_source))
 857                         continue;
 858                 if (READ_BOOL_FULL("expanded", pgd->pane.expanded))
 859                         continue;
 860                 if (READ_INT_FULL("height", pgd->height))
 861                         continue;
 862                 if (READ_CHAR_FULL("id", pgd->pane.id))
 863                         continue;
 864                 if (READ_INT_CLAMP_FULL("zoom-level", zoom, 1, 8))
 865                         {
 866                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", zoom, NULL);
 867                         continue;
 868                         }
 869                 if (READ_INT_CLAMP_FULL("longitude", int_longitude, -90000000, +90000000))
 870                         {
 871                         longitude = int_longitude / 1000000;
 872                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "longitude", longitude, NULL);
 873                         continue;
 874                         }
 875                 if (READ_INT_CLAMP_FULL("latitude", int_latitude, -90000000, +90000000))
 876                         {
 877                         latitude = int_latitude / 1000000;
 878                         g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "latitude", latitude, NULL);
 879                         continue;
 880                         }
 881                 log_printf("unknown attribute %s = %s\n", option, value);
 882         }
 883
 884         if (title)
 885                 {
 886                 bar_pane_translate_title(PANE_COMMENT, pgd->pane.id, &title);
 887                 gtk_label_set_text(GTK_LABEL(pgd->pane.title), title);
 888                 g_free(title);
 889                 }
 890
 891         gtk_widget_set_size_request(pgd->widget, -1, pgd->height);
 892         bar_update_expander(pane);
 893 }
 894
 895 #endif
 896 #endif
 897
 898 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */