src/pan-calendar.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
  13 #include "gqview.h"
  14 #include "pan-types.h"
  15
  16 #include <math.h>
  17
  18
  19 #define PAN_CAL_POPUP_COLOR 220, 220, 220
  20 #define PAN_CAL_POPUP_ALPHA 255
  21 #define PAN_CAL_POPUP_BORDER 1
  22 #define PAN_CAL_POPUP_BORDER_COLOR 0, 0, 0
  23 #define PAN_CAL_POPUP_TEXT_COLOR 0, 0, 0
  24
  25 #define PAN_CAL_DAY_WIDTH 100
  26 #define PAN_CAL_DAY_HEIGHT 80
  27
  28 #define PAN_CAL_DAY_COLOR 255, 255, 255
  29 #define PAN_CAL_DAY_ALPHA 220
  30 #define PAN_CAL_DAY_BORDER 2
  31 #define PAN_CAL_DAY_BORDER_COLOR 0, 0, 0
  32 #define PAN_CAL_DAY_TEXT_COLOR 0, 0, 0
  33
  34 #define PAN_CAL_MONTH_COLOR 255, 255, 255
  35 #define PAN_CAL_MONTH_ALPHA 200
  36 #define PAN_CAL_MONTH_BORDER 4
  37 #define PAN_CAL_MONTH_BORDER_COLOR 0, 0, 0
  38 #define PAN_CAL_MONTH_TEXT_COLOR 0, 0, 0
  39
  40 #define PAN_CAL_DOT_SIZE 3
  41 #define PAN_CAL_DOT_GAP 2
  42 #define PAN_CAL_DOT_COLOR 128, 128, 128
  43 #define PAN_CAL_DOT_ALPHA 128
  44
  45
  46 /*
  47  *-----------------------------------------------------------------------------
  48  * calendar
  49  *-----------------------------------------------------------------------------
  50  */
  51
  52 void pan_calendar_update(PanWindow *pw, PanItem *pi_day)
  53 {
  54         PanItem *pbox;
  55         PanItem *pi;
  56         GList *list;
  57         GList *work;
  58         gint x1, y1, x2, y2, x3, y3;
  59         gint x, y, w, h;
  60         gint grid;
  61         gint column;
  62
  63         while ((pi = pan_item_find_by_key(pw, PAN_ITEM_NONE, "day_bubble"))) pan_item_remove(pw, pi);
  64
  65         if (!pi_day || pi_day->type != PAN_ITEM_BOX ||
  66             !pi_day->key || strcmp(pi_day->key, "day") != 0) return;
  67
  68         list = pan_layout_intersect(pw, pi_day->x, pi_day->y, pi_day->width, pi_day->height);
  69
  70         work = list;
  71         while (work)
  72                 {
  73                 PanItem *dot;
  74                 GList *node;
  75
  76                 dot = work->data;
  77                 node = work;
  78                 work = work->next;
  79
  80                 if (dot->type != PAN_ITEM_BOX || !dot->fd ||
  81                     !dot->key || strcmp(dot->key, "dot") != 0)
  82                         {
  83                         list = g_list_delete_link(list, node);
  84                         }
  85                 }
  86
  87 #if 0
  88         if (!list) return;
  89 #endif
  90
  91         grid = (gint)(sqrt(g_list_length(list)) + 0.5);
  92
  93         x = pi_day->x + pi_day->width + 4;
  94         y = pi_day->y;
  95
  96 #if 0
  97         if (y + grid * (PAN_THUMB_SIZE + PAN_THUMB_GAP) + PAN_BOX_BORDER * 4 > pw->pr->image_height)
  98                 {
  99                 y = pw->pr->image_height - (grid * (PAN_THUMB_SIZE + PAN_THUMB_GAP) + PAN_BOX_BORDER * 4);
 100                 }
 101 #endif
 102
 103         pbox = pan_item_box_new(pw, NULL, x, y, PAN_BOX_BORDER, PAN_BOX_BORDER,
 104                                 PAN_CAL_POPUP_BORDER,
 105                                 PAN_CAL_POPUP_COLOR, PAN_CAL_POPUP_ALPHA,
 106                                 PAN_CAL_POPUP_BORDER_COLOR, PAN_CAL_POPUP_ALPHA);
 107         pan_item_set_key(pbox, "day_bubble");
 108
 109         if (pi_day->fd)
 110                 {
 111                 PanItem *plabel;
 112                 gchar *buf;
 113
 114                 buf = pan_date_value_string(pi_day->fd->date, PAN_DATE_LENGTH_WEEK);
 115                 plabel = pan_item_text_new(pw, x, y, buf, PAN_TEXT_ATTR_BOLD | PAN_TEXT_ATTR_HEADING,
 116                                            PAN_TEXT_BORDER_SIZE,
 117                                            PAN_CAL_POPUP_TEXT_COLOR, 255);
 118                 pan_item_set_key(plabel, "day_bubble");
 119                 g_free(buf);
 120
 121                 pan_item_size_by_item(pbox, plabel, 0);
 122
 123                 y += plabel->height;
 124                 }
 125
 126         if (list)
 127                 {
 128                 column = 0;
 129
 130                 x += PAN_BOX_BORDER;
 131                 y += PAN_BOX_BORDER;
 132
 133                 work = list;
 134                 while (work)
 135                         {
 136                         PanItem *dot;
 137
 138                         dot = work->data;
 139                         work = work->next;
 140
 141                         if (dot->fd)
 142                                 {
 143                                 PanItem *pimg;
 144
 145                                 pimg = pan_item_thumb_new(pw, file_data_ref(dot->fd), x, y);
 146                                 pan_item_set_key(pimg, "day_bubble");
 147
 148                                 pan_item_size_by_item(pbox, pimg, PAN_BOX_BORDER);
 149
 150                                 column++;
 151                                 if (column < grid)
 152                                         {
 153                                         x += PAN_THUMB_SIZE + PAN_THUMB_GAP;
 154                                         }
 155                                 else
 156                                         {
 157                                         column = 0;
 158                                         x = pbox->x + PAN_BOX_BORDER;
 159                                         y += PAN_THUMB_SIZE + PAN_THUMB_GAP;
 160                                         }
 161                                 }
 162                         }
 163                 }
 164
 165         x1 = pi_day->x + pi_day->width - 8;
 166         y1 = pi_day->y + 8;
 167         x2 = pbox->x + 1;
 168         y2 = pbox->y + MIN(42, pbox->height);
 169         x3 = pbox->x + 1;
 170         y3 = MAX(pbox->y, y2 - 30);
 171         util_clip_triangle(x1, y1, x2, y2, x3, y3,
 172                            &x, &y, &w, &h);
 173
 174         pi = pan_item_tri_new(pw, NULL, x, y, w, h,
 175                               x1, y1, x2, y2, x3, y3,
 176                               PAN_CAL_POPUP_COLOR, PAN_CAL_POPUP_ALPHA);
 177         pan_item_tri_border(pi, PAN_BORDER_1 | PAN_BORDER_3, PAN_CAL_POPUP_BORDER_COLOR, PAN_CAL_POPUP_ALPHA);
 178         pan_item_set_key(pi, "day_bubble");
 179         pan_item_added(pw, pi);
 180
 181         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
 182         pan_item_added(pw, pbox);
 183
 184         pan_layout_resize(pw);
 185 }
 186
 187 void pan_calendar_compute(PanWindow *pw, const gchar *path, gint *width, gint *height)
 188 {
 189         GList *list;
 190         GList *work;
 191         gint x, y;
 192         time_t tc;
 193         gint count;
 194         gint day_max;
 195         gint day_width;
 196         gint day_height;
 197         gint grid;
 198         gint year = 0;
 199         gint month = 0;
 200         gint end_year = 0;
 201         gint end_month = 0;
 202
 203         list = pan_list_tree(path, SORT_NONE, TRUE, pw->ignore_symlinks);
 204
 205         if (pw->cache_list && pw->exif_date_enable)
 206                 {
 207                 pw->cache_list = pan_cache_sort(pw->cache_list, SORT_NAME, TRUE);
 208                 list = filelist_sort(list, SORT_NAME, TRUE);
 209                 pan_cache_sync_date(pw, list);
 210                 }
 211
 212         pw->cache_list = pan_cache_sort(pw->cache_list, SORT_TIME, TRUE);
 213         list = filelist_sort(list, SORT_TIME, TRUE);
 214
 215         day_max = 0;
 216         count = 0;
 217         tc = 0;
 218         work = list;
 219         while (work)
 220                 {
 221                 FileData *fd;
 222
 223                 fd = work->data;
 224                 work = work->next;
 225
 226                 if (!pan_date_compare(fd->date, tc, PAN_DATE_LENGTH_DAY))
 227                         {
 228                         count = 0;
 229                         tc = fd->date;
 230                         }
 231                 else
 232                         {
 233                         count++;
 234                         if (day_max < count) day_max = count;
 235                         }
 236                 }
 237
 238         if (debug) printf("biggest day contains %d images\n", day_max);
 239
 240         grid = (gint)(sqrt((double)day_max) + 0.5) * (PAN_THUMB_SIZE + PAN_SHADOW_OFFSET * 2 + PAN_THUMB_GAP);
 241         day_width = MAX(PAN_CAL_DAY_WIDTH, grid);
 242         day_height = MAX(PAN_CAL_DAY_HEIGHT, grid);
 243
 244         if (list)
 245                 {
 246                 FileData *fd = list->data;
 247
 248                 year = pan_date_value(fd->date, PAN_DATE_LENGTH_YEAR);
 249                 month = pan_date_value(fd->date, PAN_DATE_LENGTH_MONTH);
 250                 }
 251
 252         work = g_list_last(list);
 253         if (work)
 254                 {
 255                 FileData *fd = work->data;
 256                 end_year = pan_date_value(fd->date, PAN_DATE_LENGTH_YEAR);
 257                 end_month = pan_date_value(fd->date, PAN_DATE_LENGTH_MONTH);
 258                 }
 259
 260         *width = PAN_BOX_BORDER * 2;
 261         *height = PAN_BOX_BORDER * 2;
 262
 263         x = PAN_BOX_BORDER;
 264         y = PAN_BOX_BORDER;
 265
 266         work = list;
 267         while (work && (year < end_year || (year == end_year && month <= end_month)))
 268                 {
 269                 PanItem *pi_month;
 270                 PanItem *pi_text;
 271                 gint day;
 272                 gint days;
 273                 gint col;
 274                 gint row;
 275                 time_t dt;
 276                 gchar *buf;
 277
 278                 /* figure last second of this month */
 279                 dt = pan_date_to_time((month == 12) ? year + 1 : year, (month == 12) ? 1 : month + 1, 1);
 280                 dt -= 60 * 60 * 24;
 281
 282                 /* anything to show this month? */
 283                 if (!pan_date_compare(((FileData *)(work->data))->date, dt, PAN_DATE_LENGTH_MONTH))
 284                         {
 285                         month ++;
 286                         if (month > 12)
 287                                 {
 288                                 year++;
 289                                 month = 1;
 290                                 }
 291                         continue;
 292                         }
 293
 294                 days = pan_date_value(dt, PAN_DATE_LENGTH_DAY);
 295                 dt = pan_date_to_time(year, month, 1);
 296                 col = pan_date_value(dt, PAN_DATE_LENGTH_WEEK);
 297                 row = 1;
 298
 299                 x = PAN_BOX_BORDER;
 300
 301                 pi_month = pan_item_box_new(pw, NULL, x, y, PAN_CAL_DAY_WIDTH * 7, PAN_CAL_DAY_HEIGHT / 4,
 302                                             PAN_CAL_MONTH_BORDER,
 303                                             PAN_CAL_MONTH_COLOR, PAN_CAL_MONTH_ALPHA,
 304                                             PAN_CAL_MONTH_BORDER_COLOR, PAN_CAL_MONTH_ALPHA);
 305                 buf = pan_date_value_string(dt, PAN_DATE_LENGTH_MONTH);
 306                 pi_text = pan_item_text_new(pw, x, y, buf,
 307                                             PAN_TEXT_ATTR_BOLD | PAN_TEXT_ATTR_HEADING,
 308                                             PAN_TEXT_BORDER_SIZE,
 309                                             PAN_CAL_MONTH_TEXT_COLOR, 255);
 310                 g_free(buf);
 311                 pi_text->x = pi_month->x + (pi_month->width - pi_text->width) / 2;
 312
 313                 pi_month->height = pi_text->y + pi_text->height - pi_month->y;
 314
 315                 x = PAN_BOX_BORDER + col * PAN_CAL_DAY_WIDTH;
 316                 y = pi_month->y + pi_month->height + PAN_BOX_BORDER;
 317
 318                 for (day = 1; day <= days; day++)
 319                         {
 320                         FileData *fd;
 321                         PanItem *pi_day;
 322                         gint dx, dy;
 323                         gint n = 0;
 324
 325                         dt = pan_date_to_time(year, month, day);
 326
 327                         fd = g_new0(FileData, 1);
 328                         /* path and name must be non NULL, so make them an invalid filename */
 329                         fd->path = g_strdup("//");
 330                         fd->name = path;
 331                         fd->date = dt;
 332                         pi_day = pan_item_box_new(pw, fd, x, y, PAN_CAL_DAY_WIDTH, PAN_CAL_DAY_HEIGHT,
 333                                                   PAN_CAL_DAY_BORDER,
 334                                                   PAN_CAL_DAY_COLOR, PAN_CAL_DAY_ALPHA,
 335                                                   PAN_CAL_DAY_BORDER_COLOR, PAN_CAL_DAY_ALPHA);
 336                         pan_item_set_key(pi_day, "day");
 337
 338                         dx = x + PAN_CAL_DOT_GAP * 2;
 339                         dy = y + PAN_CAL_DOT_GAP * 2;
 340
 341                         fd = (work) ? work->data : NULL;
 342                         while (fd && pan_date_compare(fd->date, dt, PAN_DATE_LENGTH_DAY))
 343                                 {
 344                                 PanItem *pi;
 345
 346                                 pi = pan_item_box_new(pw, fd, dx, dy, PAN_CAL_DOT_SIZE, PAN_CAL_DOT_SIZE,
 347                                                       0,
 348                                                       PAN_CAL_DOT_COLOR, PAN_CAL_DOT_ALPHA,
 349                                                       0, 0, 0, 0);
 350                                 pan_item_set_key(pi, "dot");
 351
 352                                 dx += PAN_CAL_DOT_SIZE + PAN_CAL_DOT_GAP;
 353                                 if (dx + PAN_CAL_DOT_SIZE > pi_day->x + pi_day->width - PAN_CAL_DOT_GAP * 2)
 354                                         {
 355                                         dx = x + PAN_CAL_DOT_GAP * 2;
 356                                         dy += PAN_CAL_DOT_SIZE + PAN_CAL_DOT_GAP;
 357                                         }
 358                                 if (dy + PAN_CAL_DOT_SIZE > pi_day->y + pi_day->height - PAN_CAL_DOT_GAP * 2)
 359                                         {
 360                                         /* must keep all dots within respective day even if it gets ugly */
 361                                         dy = y + PAN_CAL_DOT_GAP * 2;
 362                                         }
 363
 364                                 n++;
 365
 366                                 work = work->next;
 367                                 fd = (work) ? work->data : NULL;
 368                                 }
 369
 370                         if (n > 0)
 371                                 {
 372                                 PanItem *pi;
 373
 374                                 pi_day->color_r = MAX(pi_day->color_r - 61 - n * 3, 80);
 375                                 pi_day->color_g = pi_day->color_r;
 376
 377                                 buf = g_strdup_printf("( %d )", n);
 378                                 pi = pan_item_text_new(pw, x, y, buf, PAN_TEXT_ATTR_NONE,
 379                                                        PAN_TEXT_BORDER_SIZE,
 380                                                        PAN_CAL_DAY_TEXT_COLOR, 255);
 381                                 g_free(buf);
 382
 383                                 pi->x = pi_day->x + (pi_day->width - pi->width) / 2;
 384                                 pi->y = pi_day->y + (pi_day->height - pi->height) / 2;
 385                                 }
 386
 387                         buf = g_strdup_printf("%d", day);
 388                         pan_item_text_new(pw, x + 4, y + 4, buf, PAN_TEXT_ATTR_BOLD | PAN_TEXT_ATTR_HEADING,
 389                                           PAN_TEXT_BORDER_SIZE,
 390                                           PAN_CAL_DAY_TEXT_COLOR, 255);
 391                         g_free(buf);
 392
 393
 394                         pan_item_size_coordinates(pi_day, PAN_BOX_BORDER, width, height);
 395
 396                         col++;
 397                         if (col > 6)
 398                                 {
 399                                 col = 0;
 400                                 row++;
 401                                 x = PAN_BOX_BORDER;
 402                                 y += PAN_CAL_DAY_HEIGHT;
 403                                 }
 404                         else
 405                                 {
 406                                 x += PAN_CAL_DAY_WIDTH;
 407                                 }
 408                         }
 409
 410                 if (col > 0) y += PAN_CAL_DAY_HEIGHT;
 411                 y += PAN_BOX_BORDER * 2;
 412
 413                 month ++;
 414                 if (month > 12)
 415                         {
 416                         year++;
 417                         month = 1;
 418                         }
 419                 }
 420
 421         *width += grid;
 422         *height = MAX(*height, grid + PAN_BOX_BORDER * 2 * 2);
 423
 424         g_list_free(list);
 425 }
 426
 427