src/image-overlay.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  *
   5  * Author: John Ellis
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12 #include "main.h"
  13 #include "image-overlay.h"
  14
  15 #include "collect.h"
  16 #include "exif.h"
  17 #include "filelist.h"
  18 #include "image.h"
  19 #include "img-view.h"
  20 #include "layout.h"
  21 #include "pixbuf-renderer.h"
  22 #include "pixbuf_util.h"
  23 #include "histogram.h"
  24
  25
  26 /*
  27  *----------------------------------------------------------------------------
  28  * image overlay
  29  *----------------------------------------------------------------------------
  30  */
  31
  32 typedef struct _OverlayStateData OverlayStateData;
  33 struct _OverlayStateData {
  34         ImageWindow *imd;
  35         ImageState changed_states;
  36
  37         gint show_info;
  38         gint show_status;
  39
  40         gint ovl_info;
  41
  42         gint icon_time[IMAGE_OSD_COUNT];
  43         gint icon_id[IMAGE_OSD_COUNT];
  44
  45         gint idle_id;
  46         gint timer_id;
  47         gulong destroy_id;
  48 };
  49
  50
  51 typedef struct _OSDIcon OSDIcon;
  52 struct _OSDIcon {
  53         gint reset;     /* reset on new image */
  54         gint x;         /* x, y offset */
  55         gint y;
  56         gchar *key;     /* inline pixbuf */
  57 };
  58
  59 static OSDIcon osd_icons[] = {
  60         {  TRUE,   0,   0, NULL },                      /* none */
  61         {  TRUE, -10, -10, NULL },                      /* auto rotated */
  62         {  TRUE, -10, -10, NULL },                      /* user rotated */
  63         {  TRUE, -40, -10, NULL },                      /* color embedded */
  64         {  TRUE, -70, -10, NULL },                      /* first image */
  65         {  TRUE, -70, -10, NULL },                      /* last image */
  66         { FALSE, -70, -10, NULL },                      /* osd enabled */
  67         { FALSE, 0, 0, NULL }
  68 };
  69
  70 #define OSD_DATA "overlay-data"
  71
  72 #define OSD_INFO_X 10
  73 #define OSD_INFO_Y -10
  74
  75 #define IMAGE_OSD_DEFAULT_DURATION 30
  76
  77 #define HISTOGRAM_HEIGHT 140
  78 /*
  79  *----------------------------------------------------------------------------
  80  * image histogram
  81  *----------------------------------------------------------------------------
  82  */
  83
  84
  85 #define HIST_PREPARE(imd, lw)                          \
  86        LayoutWindow *lw = NULL;                        \
  87        if (imd)                                        \
  88                lw = layout_find_by_image(imd);
  89
  90 void image_osd_histogram_onoff_toggle(ImageWindow *imd, gint x)
  91 {
  92         HIST_PREPARE(imd, lw)
  93         if (lw)
  94                 {
  95                 lw->histogram_enabled = !!(x);
  96                 if (lw->histogram_enabled && !lw->histogram)
  97                         lw->histogram = histogram_new();
  98                 }
  99 }
 100
 101 gint image_osd_histogram_onoff_status(ImageWindow *imd)
 102 {
 103        HIST_PREPARE(imd, lw)
 104        return lw ?  lw->histogram_enabled : FALSE;
 105 }
 106
 107 void image_osd_histogram_chan_toggle(ImageWindow *imd)
 108 {
 109        HIST_PREPARE(imd, lw)
 110        if (lw && lw->histogram)
 111                histogram_set_channel(lw->histogram, (histogram_get_channel(lw->histogram) +1)%HCHAN_COUNT);
 112 }
 113
 114 void image_osd_histogram_log_toggle(ImageWindow *imd)
 115 {
 116        HIST_PREPARE(imd,lw)
 117        if (lw && lw->histogram)
 118                histogram_set_mode(lw->histogram, !histogram_get_mode(lw->histogram));
 119 }
 120
 121
 122
 123 static void image_osd_timer_schedule(OverlayStateData *osd);
 124
 125 static gchar *image_osd_mkinfo(const gchar *str, ImageWindow *imd, GHashTable *vars)
 126 {
 127         gchar delim = '%', imp = '|', sep[] = " - ";
 128         gchar *start, *end;
 129         gint pos, prev;
 130         gint last;
 131         gchar *name, *data;
 132         GString *new = g_string_new(str);
 133         gchar *ret;
 134         ExifData *exif;
 135
 136         exif = exif_read_fd(imd->image_fd, FALSE);
 137         prev = 0;
 138         last = FALSE;
 139
 140         while (TRUE)
 141                 {
 142                 gint was_digit = 0;
 143                 gint limit = 0;
 144                 gchar *trunc = NULL;
 145                 gchar *p;
 146
 147                 start = strchr(new->str, delim);
 148                 if (!start)
 149                         break;
 150                 end = strchr(start+1, delim);
 151                 if (!end)
 152                         break;
 153
 154                 for (p = end; p > start; p--)
 155                         {
 156                         if (*p == ':' && was_digit)
 157                                 {
 158                                 trunc = p;
 159                                 break;
 160                                 }
 161                         was_digit = g_ascii_isdigit(*p);
 162                         }
 163
 164                 if (trunc) limit = atoi(trunc+1);
 165
 166                 name = g_strndup(start+1, ((limit > 0) ? trunc : end)-start-1);
 167
 168                 pos = start-new->str;
 169                 data = g_strdup(g_hash_table_lookup(vars, name));
 170                 if (!data && exif)
 171                         data = exif_get_data_as_text(exif, name);
 172                 if (data && *data && limit > 0 && strlen(data) > limit + 3)
 173                         {
 174                         gchar *new_data = g_strdup_printf("%-*.*s...", limit, limit, data);
 175                         g_free(data);
 176                         data = new_data;
 177                         }
 178
 179                 g_string_erase(new, pos, end-start+1);
 180                 if (data)
 181                         g_string_insert(new, pos, data);
 182                 if (pos-prev == 2 && new->str[pos-1] == imp)
 183                         {
 184                         g_string_erase(new, --pos, 1);
 185                         if (last && data)
 186                                 {
 187                                 g_string_insert(new, pos, sep);
 188                                 pos += strlen(sep);
 189                                 }
 190                         }
 191
 192                 prev = data ? pos+strlen(data)-1 : pos-1;
 193                 last = data ? TRUE : last;
 194                 g_free(name);
 195                 g_free(data);
 196                 }
 197
 198         /* search and destroy empty lines */
 199         end = new->str;
 200         while ((start = strchr(end, '\n')))
 201                 {
 202                 end = start;
 203                 while (*++(end) == '\n')
 204                         ;
 205                 g_string_erase(new, start-new->str, end-start-1);
 206                 }
 207
 208         g_strchomp(new->str);
 209
 210         ret = new->str;
 211         g_string_free(new, FALSE);
 212
 213         return ret;
 214 }
 215
 216 static GdkPixbuf *image_osd_info_render(ImageWindow *imd)
 217 {
 218         GdkPixbuf *pixbuf;
 219         gint width, height;
 220         PangoLayout *layout;
 221         const gchar *name;
 222         gchar *name_escaped;
 223         gchar *text;
 224         gchar *size;
 225         gint n, t;
 226         CollectionData *cd;
 227         CollectInfo *info;
 228         GdkPixbuf *imgpixbuf = NULL;
 229         LayoutWindow *lw = NULL;
 230         gint with_hist = 0;
 231         gchar *ct;
 232         gint w, h;
 233         GHashTable *vars;
 234
 235         vars = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, g_free);
 236
 237         name = image_get_name(imd);
 238         if (name)
 239                 {
 240                 name_escaped = g_markup_escape_text(name, -1);
 241                 }
 242         else
 243                 {
 244                 name_escaped = NULL;
 245                 }
 246
 247         cd = image_get_collection(imd, &info);
 248         if (cd)
 249                 {
 250                 gchar *buf;
 251
 252                 t = g_list_length(cd->list);
 253                 n = g_list_index(cd->list, info) + 1;
 254                 buf = g_markup_escape_text((cd->name) ? cd->name : _("Untitled"), -1);
 255                 ct = g_strdup_printf("<i>%s</i>\n", buf);
 256                 g_free(buf);
 257                 }
 258         else
 259                 {
 260                 lw = layout_find_by_image(imd);
 261                 if (lw)
 262                         {
 263                         if (lw->slideshow)
 264                                 {
 265                                 n = g_list_length(lw->slideshow->list_done);
 266                                 t = n + g_list_length(lw->slideshow->list);
 267                                 if (n == 0) n = t;
 268                                 }
 269                         else
 270                                 {
 271                                 t = layout_list_count(lw, NULL);
 272                                 n = layout_list_get_index(lw, image_get_path(lw->image)) + 1;
 273                                 }
 274                         }
 275                 else if (view_window_find_image(imd, &n, &t))
 276                         {
 277                         n++;
 278                         }
 279                 else
 280                         {
 281                         t = 1;
 282                         n = 1;
 283                         }
 284
 285                 if (n < 1) n = 1;
 286                 if (t < 1) t = 1;
 287
 288                 ct = g_strdup("");
 289                 }
 290
 291         size = text_from_size_abrev(imd->size);
 292         if (!imd->unknown)
 293                 {
 294                 if (imd->delay_flip &&
 295                     imd->il && imd->il->pixbuf &&
 296                     image_get_pixbuf(imd) != imd->il->pixbuf)
 297                         {
 298                         w = gdk_pixbuf_get_width(imd->il->pixbuf);
 299                         h = gdk_pixbuf_get_height(imd->il->pixbuf);
 300                         imgpixbuf = imd->il->pixbuf;
 301                         }
 302                 else
 303                         {
 304                         pixbuf_renderer_get_image_size(PIXBUF_RENDERER(imd->pr), &w, &h);
 305                         imgpixbuf = (PIXBUF_RENDERER(imd->pr))->pixbuf;
 306                         }
 307                 if (!lw)
 308                         lw = layout_find_by_image(imd);
 309
 310                 if (imgpixbuf && lw->histogram && lw->histogram_enabled
 311                               && (!imd->il || imd->il->done))
 312                         with_hist=1;
 313
 314                 g_hash_table_insert(vars, "width", g_strdup_printf("%d", w));
 315                 g_hash_table_insert(vars, "height", g_strdup_printf("%d", h));
 316                 g_hash_table_insert(vars, "res", g_strdup_printf("%d × %d", w, h));
 317                 }
 318
 319         g_hash_table_insert(vars, "collection", g_strdup(ct));
 320         g_hash_table_insert(vars, "number", g_strdup_printf("%d", n));
 321         g_hash_table_insert(vars, "total", g_strdup_printf("%d", t));
 322         g_hash_table_insert(vars, "name", g_strdup(name_escaped));
 323         g_hash_table_insert(vars, "date", g_strdup(text_from_time(imd->mtime)));
 324         g_hash_table_insert(vars, "size", g_strdup(size));
 325
 326         if (!name_escaped)
 327                 {
 328                 text = g_strdup_printf(_("Untitled"));
 329                 }
 330         else
 331                 {
 332                 text = image_osd_mkinfo(fullscreen_info, imd, vars);
 333                 }
 334
 335         g_free(size);
 336         g_free(ct);
 337         g_free(name_escaped);
 338         g_hash_table_destroy(vars);
 339
 340         {
 341         FileData *fd = image_get_fd(imd);
 342
 343         if (fd) /* fd may be null after file deletion */
 344                 {
 345                 gint active_marks = 0;
 346                 gint mark;
 347                 gchar *text2;
 348
 349                 for (mark = 0; mark < FILEDATA_MARKS_SIZE; mark++)
 350                         {
 351                         active_marks += fd->marks[mark];
 352                         }
 353
 354
 355                 if (active_marks > 0)
 356                         {
 357                         GString *buf = g_string_sized_new(FILEDATA_MARKS_SIZE * 2);
 358
 359                         for (mark = 0; mark < FILEDATA_MARKS_SIZE; mark++)
 360                                 {
 361                                 g_string_append_printf(buf, fd->marks[mark] ? " <span background='#FF00FF'>%c</span>" : " %c", '1' + mark);
 362                                 }
 363
 364                         text2 = g_strdup_printf("%s\n%s", text, buf->str);
 365                         g_string_free(buf, TRUE);
 366                         g_free(text);
 367                         text = text2;
 368                         }
 369
 370                 if (with_hist)
 371                         {
 372                         text2 = g_strdup_printf("%s\n%s", text, histogram_label(lw->histogram));
 373                         g_free(text);
 374                         text = text2;
 375                         }
 376                 }
 377         }
 378
 379         layout = gtk_widget_create_pango_layout(imd->pr, NULL);
 380         pango_layout_set_markup(layout, text, -1);
 381         g_free(text);
 382
 383         pango_layout_get_pixel_size(layout, &width, &height);
 384
 385         width += 10;
 386         height += 10;
 387
 388         if (with_hist)
 389                 {
 390                 histogram_read(lw->histogram, imgpixbuf);
 391                 if (width < 266) width = 266;
 392                 height += HISTOGRAM_HEIGHT + 5;
 393                 }
 394
 395
 396         /* TODO: make osd color configurable --Zas */
 397         pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, width, height);
 398         pixbuf_set_rect_fill(pixbuf, 3, 3, width-6, height-6, 240, 240, 240, 210);
 399         pixbuf_set_rect(pixbuf, 0, 0, width, height, 240, 240, 240, 80, 1, 1, 1, 1);
 400         pixbuf_set_rect(pixbuf, 1, 1, width-2, height-2, 240, 240, 240, 130, 1, 1, 1, 1);
 401         pixbuf_set_rect(pixbuf, 2, 2, width-4, height-4, 240, 240, 240, 180, 1, 1, 1, 1);
 402         pixbuf_pixel_set(pixbuf, 0, 0, 0, 0, 0, 0);
 403         pixbuf_pixel_set(pixbuf, width - 1, 0, 0, 0, 0, 0);
 404         pixbuf_pixel_set(pixbuf, 0, height - 1, 0, 0, 0, 0);
 405         pixbuf_pixel_set(pixbuf, width - 1, height - 1, 0, 0, 0, 0);
 406
 407         if (with_hist)
 408                 histogram_draw(lw->histogram, pixbuf, 5, height - HISTOGRAM_HEIGHT - 5 , width - 10, HISTOGRAM_HEIGHT);
 409
 410         pixbuf_draw_layout(pixbuf, layout, imd->pr, 5, 5, 0, 0, 0, 255);
 411
 412         g_object_unref(G_OBJECT(layout));
 413
 414         return pixbuf;
 415 }
 416
 417 static GdkPixbuf *image_osd_icon_pixbuf(ImageOSDFlag flag)
 418 {
 419         static GdkPixbuf **icons = NULL;
 420         GdkPixbuf *icon = NULL;
 421
 422         if (!icons) icons = g_new0(GdkPixbuf *, IMAGE_OSD_COUNT);
 423         if (icons[flag]) return icons[flag];
 424
 425         if (osd_icons[flag].key)
 426                 {
 427                 icon = pixbuf_inline(osd_icons[flag].key);
 428                 }
 429
 430         if (!icon)
 431                 {
 432                 icon = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 24, 24);
 433                 pixbuf_set_rect_fill(icon, 1, 1, 22, 22, 255, 255, 255, 200);
 434                 pixbuf_set_rect(icon, 0, 0, 24, 24, 0, 0, 0, 128, 1, 1, 1, 1);
 435                 switch (flag)
 436                         {
 437                         case IMAGE_OSD_ROTATE_AUTO:
 438                                 pixbuf_set_rect(icon, 3, 8, 11, 12,
 439                                                 0, 0, 0, 255,
 440                                                 3, 0, 3, 0);
 441                                 pixbuf_draw_triangle(icon, 14, 3, 6, 12,
 442                                                      20, 9, 14, 15, 14, 3,
 443                                                      0, 0, 0, 255);
 444                                 break;
 445                         case IMAGE_OSD_ROTATE_USER:
 446                                 break;
 447                         case IMAGE_OSD_COLOR:
 448                                 pixbuf_set_rect_fill(icon, 3, 3, 18, 6, 200, 0, 0, 255);
 449                                 pixbuf_set_rect_fill(icon, 3, 9, 18, 6, 0, 200, 0, 255);
 450                                 pixbuf_set_rect_fill(icon, 3, 15, 18, 6, 0, 0, 200, 255);
 451                                 break;
 452                         case IMAGE_OSD_FIRST:
 453                                 pixbuf_set_rect(icon, 3, 3, 18, 18, 0, 0, 0, 200, 3, 3, 3, 0);
 454                                 pixbuf_draw_triangle(icon, 6, 5, 12, 6,
 455                                                      12, 5, 18, 11, 6, 11,
 456                                                      0, 0, 0, 255);
 457                                 break;
 458                         case IMAGE_OSD_LAST:
 459                                 pixbuf_set_rect(icon, 3, 3, 18, 18, 0, 0, 0, 200, 3, 3, 0, 3);
 460                                 pixbuf_draw_triangle(icon, 6, 12, 12, 6,
 461                                                      12, 18, 6, 12, 18, 12,
 462                                                      0, 0, 0, 255);
 463                                 break;
 464                         case IMAGE_OSD_ICON:
 465                                 pixbuf_set_rect_fill(icon, 11, 3, 3, 12, 0, 0, 0, 255);
 466                                 pixbuf_set_rect_fill(icon, 11, 17, 3, 3, 0, 0, 0, 255);
 467                                 break;
 468                         default:
 469                                 break;
 470                         }
 471                 }
 472
 473         icons[flag] = icon;
 474
 475         return icon;
 476 }
 477
 478 static void image_osd_icon_show(OverlayStateData *osd, ImageOSDFlag flag)
 479 {
 480         GdkPixbuf *pixbuf;
 481
 482         if (osd->icon_id[flag]) return;
 483
 484         pixbuf = image_osd_icon_pixbuf(flag);
 485         if (!pixbuf) return;
 486
 487         osd->icon_id[flag] = image_overlay_add(osd->imd, pixbuf,
 488                                                osd_icons[flag].x, osd_icons[flag].y,
 489                                                TRUE, FALSE);
 490 }
 491
 492 static void image_osd_icon_hide(OverlayStateData *osd, ImageOSDFlag flag)
 493 {
 494         if (osd->icon_id[flag])
 495                 {
 496                 image_overlay_remove(osd->imd, osd->icon_id[flag]);
 497                 osd->icon_id[flag] = 0;
 498                 }
 499 }
 500
 501 static gint image_osd_update_cb(gpointer data)
 502 {
 503         OverlayStateData *osd = data;
 504
 505         if (osd->show_info)
 506                 {
 507                 if (osd->changed_states & IMAGE_STATE_IMAGE)
 508                         {
 509                         GdkPixbuf *pixbuf;
 510
 511                         pixbuf = image_osd_info_render(osd->imd);
 512                         if (osd->ovl_info == 0)
 513                                 {
 514                                 osd->ovl_info = image_overlay_add(osd->imd, pixbuf,
 515                                                                   OSD_INFO_X, OSD_INFO_Y, TRUE, FALSE);
 516                                 }
 517                         else
 518                                 {
 519                                 image_overlay_set(osd->imd, osd->ovl_info, pixbuf, OSD_INFO_X, OSD_INFO_Y);
 520                                 }
 521                         g_object_unref(pixbuf);
 522                         }
 523                 }
 524         else
 525                 {
 526                 if (osd->ovl_info)
 527                         {
 528                         image_overlay_remove(osd->imd, osd->ovl_info);
 529                         osd->ovl_info = 0;
 530                         }
 531                 }
 532
 533         if (osd->show_status)
 534                 {
 535                 gint i;
 536
 537                 if (osd->changed_states & IMAGE_STATE_IMAGE)
 538                         {
 539                         for (i = 0; i < IMAGE_OSD_COUNT; i++)
 540                                 {
 541                                 if (osd_icons[i].reset) osd->icon_time[i] = 0;
 542                                 }
 543                         }
 544
 545                 if (osd->changed_states & IMAGE_STATE_COLOR_ADJ)
 546                         {
 547                         osd->icon_time[IMAGE_OSD_COLOR] = IMAGE_OSD_DEFAULT_DURATION + 1;
 548                         image_osd_timer_schedule(osd);
 549                         }
 550
 551                 if (osd->changed_states & IMAGE_STATE_ROTATE_AUTO)
 552                         {
 553                         gint n = 0;
 554
 555                         if (osd->imd->state & IMAGE_STATE_ROTATE_AUTO)
 556                                 {
 557                                 n = 1;
 558                                 if (!osd->imd->cm) n += IMAGE_OSD_DEFAULT_DURATION;
 559                                 }
 560
 561                         osd->icon_time[IMAGE_OSD_ROTATE_AUTO] = n;
 562                         image_osd_timer_schedule(osd);
 563                         }
 564
 565                 for (i = 0; i < IMAGE_OSD_COUNT; i++)
 566                         {
 567                         if (osd->icon_time[i] > 0)
 568                                 {
 569                                 image_osd_icon_show(osd, i);
 570                                 }
 571                         else
 572                                 {
 573                                 image_osd_icon_hide(osd, i);
 574                                 }
 575                         }
 576                 }
 577         else
 578                 {
 579                 gint i;
 580
 581                 for (i = 0; i < IMAGE_OSD_COUNT; i++)
 582                         {
 583                         image_osd_icon_hide(osd, i);
 584                         }
 585                 }
 586
 587         if (osd->imd->il && osd->imd->il->done)
 588                 osd->changed_states = IMAGE_STATE_NONE;
 589         osd->idle_id = -1;
 590         return FALSE;
 591 }
 592
 593 static void image_osd_update_schedule(OverlayStateData *osd, gint force)
 594 {
 595         if (force) osd->changed_states |= IMAGE_STATE_IMAGE;
 596
 597         if (osd->idle_id == -1)
 598                 {
 599                 osd->idle_id = g_idle_add_full(G_PRIORITY_HIGH, image_osd_update_cb, osd, NULL);
 600                 }
 601 }
 602
 603 void image_osd_update(ImageWindow *imd)
 604 {
 605         OverlayStateData *osd;
 606
 607         if (!imd) return;
 608
 609         osd = g_object_get_data(G_OBJECT(imd->pr), "IMAGE_OVERLAY_DATA");
 610         if (!osd) return;
 611
 612         image_osd_update_schedule(osd, TRUE);
 613 }
 614
 615 static gint image_osd_timer_cb(gpointer data)
 616 {
 617         OverlayStateData *osd = data;
 618         gint done = TRUE;
 619         gint changed = FALSE;
 620         gint i;
 621
 622         for (i = 0; i < IMAGE_OSD_COUNT; i++)
 623                 {
 624                 if (osd->icon_time[i] > 1)
 625                         {
 626                         osd->icon_time[i]--;
 627                         if (osd->icon_time[i] < 2)
 628                                 {
 629                                 osd->icon_time[i] = 0;
 630                                 changed = TRUE;
 631                                 }
 632                         else
 633                                 {
 634                                 done = FALSE;
 635                                 }
 636                         }
 637                 }
 638
 639         if (changed) image_osd_update_schedule(osd, FALSE);
 640
 641         if (done)
 642                 {
 643                 osd->timer_id = -1;
 644                 return FALSE;
 645                 }
 646
 647         return TRUE;
 648 }
 649
 650 static void image_osd_timer_schedule(OverlayStateData *osd)
 651 {
 652         if (osd->timer_id == -1)
 653                 {
 654                 osd->timer_id = g_timeout_add(100, image_osd_timer_cb, osd);
 655                 }
 656 }
 657
 658 static void image_osd_state_cb(ImageWindow *imd, ImageState state, gpointer data)
 659 {
 660         OverlayStateData *osd = data;
 661
 662         osd->changed_states |= state;
 663         image_osd_update_schedule(osd, FALSE);
 664 }
 665
 666 static void image_osd_free(OverlayStateData *osd)
 667 {
 668         if (!osd) return;
 669
 670         if (osd->idle_id != -1) g_source_remove(osd->idle_id);
 671         if (osd->timer_id != -1) g_source_remove(osd->timer_id);
 672
 673         if (osd->imd)
 674                 {
 675                 gint i;
 676
 677                 g_object_set_data(G_OBJECT(osd->imd->pr), "IMAGE_OVERLAY_DATA", NULL);
 678                 g_signal_handler_disconnect(osd->imd->pr, osd->destroy_id);
 679
 680                 image_set_state_func(osd->imd, NULL, NULL);
 681                 image_overlay_remove(osd->imd, osd->ovl_info);
 682
 683                 for (i = 0; i < IMAGE_OSD_COUNT; i++)
 684                         {
 685                         image_osd_icon_hide(osd, i);
 686                         }
 687                 }
 688
 689         g_free(osd);
 690 }
 691
 692 static void image_osd_remove(ImageWindow *imd)
 693 {
 694         OverlayStateData *osd;
 695
 696         osd = g_object_get_data(G_OBJECT(imd->pr), "IMAGE_OVERLAY_DATA");
 697         image_osd_free(osd);
 698 }
 699
 700 static void image_osd_destroy_cb(GtkWidget *widget, gpointer data)
 701 {
 702         OverlayStateData *osd = data;
 703
 704         osd->imd = NULL;
 705         image_osd_free(osd);
 706 }
 707
 708 static void image_osd_enable(ImageWindow *imd, gint info, gint status)
 709 {
 710         OverlayStateData *osd;
 711
 712         osd = g_object_get_data(G_OBJECT(imd->pr), "IMAGE_OVERLAY_DATA");
 713         if (!osd)
 714                 {
 715                 osd = g_new0(OverlayStateData, 1);
 716                 osd->imd = imd;
 717                 osd->idle_id = -1;
 718                 osd->timer_id = -1;
 719
 720                 osd->destroy_id = g_signal_connect(G_OBJECT(imd->pr), "destroy",
 721                                                    G_CALLBACK(image_osd_destroy_cb), osd);
 722                 g_object_set_data(G_OBJECT(imd->pr), "IMAGE_OVERLAY_DATA", osd);
 723
 724                 image_set_state_func(osd->imd, image_osd_state_cb, osd);
 725                 }
 726
 727         if (osd->show_info != info ||
 728             osd->show_status != status)
 729                 {
 730                 osd->show_info = info;
 731                 osd->show_status = status;
 732
 733                 image_osd_update_schedule(osd, TRUE);
 734                 }
 735 }
 736
 737 void image_osd_set(ImageWindow *imd, gint info, gint status)
 738 {
 739         if (!imd) return;
 740
 741         if (!info && !status)
 742                 {
 743                 image_osd_remove(imd);
 744                 return;
 745                 }
 746
 747         image_osd_enable(imd, info, status);
 748 }
 749
 750 gint image_osd_get(ImageWindow *imd, gint *info, gint *status)
 751 {
 752         OverlayStateData *osd;
 753
 754         if (!imd) return FALSE;
 755
 756         osd = g_object_get_data(G_OBJECT(imd->pr), "IMAGE_OVERLAY_DATA");
 757         if (!osd) return FALSE;
 758
 759         if (info) *info = osd->show_info;
 760         if (status) *status = osd->show_status;
 761
 762         return TRUE;
 763 }
 764
 765 /* duration:
 766     0 = hide
 767     1 = show
 768    2+ = show for duration tenths of a second
 769    -1 = use default duration
 770  */
 771 void image_osd_icon(ImageWindow *imd, ImageOSDFlag flag, gint duration)
 772 {
 773         OverlayStateData *osd;
 774
 775         if (!imd) return;
 776
 777         osd = g_object_get_data(G_OBJECT(imd->pr), "IMAGE_OVERLAY_DATA");
 778         if (!osd) return;
 779
 780         if (flag < IMAGE_OSD_NONE || flag >= IMAGE_OSD_COUNT) return;
 781         if (duration < 0) duration = IMAGE_OSD_DEFAULT_DURATION;
 782         if (duration > 1) duration += 1;
 783
 784         osd->icon_time[flag] = duration;
 785
 786         image_osd_update_schedule(osd, FALSE);
 787         image_osd_timer_schedule(osd);
 788 }