src/pan-calendar.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 The Geeqie Team
   5  *
   6  * Author: John Ellis
   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
  14 #include "main.h"
  15 #include "pan-types.h"
  16
  17 #include "debug.h"
  18
  19 #include <math.h>
  20
  21
  22 #define PAN_CAL_POPUP_COLOR 220, 220, 220
  23 #define PAN_CAL_POPUP_ALPHA 255
  24 #define PAN_CAL_POPUP_BORDER 1
  25 #define PAN_CAL_POPUP_BORDER_COLOR 0, 0, 0
  26 #define PAN_CAL_POPUP_TEXT_COLOR 0, 0, 0
  27
  28 #define PAN_CAL_DAY_WIDTH 100
  29 #define PAN_CAL_DAY_HEIGHT 80
  30
  31 #define PAN_CAL_DAY_COLOR 255, 255, 255
  32 #define PAN_CAL_DAY_ALPHA 220
  33 #define PAN_CAL_DAY_BORDER 2
  34 #define PAN_CAL_DAY_BORDER_COLOR 0, 0, 0
  35 #define PAN_CAL_DAY_TEXT_COLOR 0, 0, 0
  36
  37 #define PAN_CAL_MONTH_COLOR 255, 255, 255
  38 #define PAN_CAL_MONTH_ALPHA 200
  39 #define PAN_CAL_MONTH_BORDER 4
  40 #define PAN_CAL_MONTH_BORDER_COLOR 0, 0, 0
  41 #define PAN_CAL_MONTH_TEXT_COLOR 0, 0, 0
  42
  43 #define PAN_CAL_DOT_SIZE 3
  44 #define PAN_CAL_DOT_GAP 2
  45 #define PAN_CAL_DOT_COLOR 128, 128, 128
  46 #define PAN_CAL_DOT_ALPHA 128
  47
  48
  49 /*
  50  *-----------------------------------------------------------------------------
  51  * calendar
  52  *-----------------------------------------------------------------------------
  53  */
  54
  55 void pan_calendar_update(PanWindow *pw, PanItem *pi_day)
  56 {
  57         PanItem *pbox;
  58         PanItem *pi;
  59         GList *list;
  60         GList *work;
  61         gint x1, y1, x2, y2, x3, y3;
  62         gint x, y, w, h;
  63         gint grid;
  64         gint column;
  65
  66         while ((pi = pan_item_find_by_key(pw, PAN_ITEM_NONE, "day_bubble"))) pan_item_remove(pw, pi);
  67
  68         if (!pi_day || pi_day->type != PAN_ITEM_BOX ||
  69             !pi_day->key || strcmp(pi_day->key, "day") != 0) return;
  70
  71         list = pan_layout_intersect(pw, pi_day->x, pi_day->y, pi_day->width, pi_day->height);
  72
  73         work = list;
  74         while (work)
  75                 {
  76                 PanItem *dot;
  77                 GList *node;
  78
  79                 dot = work->data;
  80                 node = work;
  81                 work = work->next;
  82
  83                 if (dot->type != PAN_ITEM_BOX || !dot->fd ||
  84                     !dot->key || strcmp(dot->key, "dot") != 0)
  85                         {
  86                         list = g_list_delete_link(list, node);
  87                         }
  88                 }
  89
  90 #if 0
  91         if (!list) return;
  92 #endif
  93
  94         grid = (gint)(sqrt(g_list_length(list)) + 0.5);
  95
  96         x = pi_day->x + pi_day->width + 4;
  97         y = pi_day->y;
  98
  99 #if 0
 100         if (y + grid * (PAN_THUMB_SIZE + PAN_THUMB_GAP) + PAN_BOX_BORDER * 4 > pw->pr->image_height)
 101                 {
 102                 y = pw->pr->image_height - (grid * (PAN_THUMB_SIZE + PAN_THUMB_GAP) + PAN_BOX_BORDER * 4);
 103                 }
 104 #endif
 105
 106         pbox = pan_item_box_new(pw, NULL, x, y, PAN_BOX_BORDER, PAN_BOX_BORDER,
 107                                 PAN_CAL_POPUP_BORDER,
 108                                 PAN_CAL_POPUP_COLOR, PAN_CAL_POPUP_ALPHA,
 109                                 PAN_CAL_POPUP_BORDER_COLOR, PAN_CAL_POPUP_ALPHA);
 110         pan_item_set_key(pbox, "day_bubble");
 111
 112         if (pi_day->fd)
 113                 {
 114                 PanItem *plabel;
 115                 gchar *buf;
 116
 117                 buf = pan_date_value_string(pi_day->fd->date, PAN_DATE_LENGTH_WEEK);
 118                 plabel = pan_item_text_new(pw, x, y, buf, PAN_TEXT_ATTR_BOLD | PAN_TEXT_ATTR_HEADING,
 119                                            PAN_TEXT_BORDER_SIZE,
 120                                            PAN_CAL_POPUP_TEXT_COLOR, 255);
 121                 pan_item_set_key(plabel, "day_bubble");
 122                 g_free(buf);
 123
 124                 pan_item_size_by_item(pbox, plabel, 0);
 125
 126                 y += plabel->height;
 127                 }
 128
 129         if (list)
 130                 {
 131                 column = 0;
 132
 133                 x += PAN_BOX_BORDER;
 134                 y += PAN_BOX_BORDER;
 135
 136                 work = list;
 137                 while (work)
 138                         {
 139                         PanItem *dot;
 140
 141                         dot = work->data;
 142                         work = work->next;
 143
 144                         if (dot->fd)
 145                                 {
 146                                 PanItem *pimg;
 147
 148                                 pimg = pan_item_thumb_new(pw, file_data_ref(dot->fd), x, y);
 149                                 pan_item_set_key(pimg, "day_bubble");
 150
 151                                 pan_item_size_by_item(pbox, pimg, PAN_BOX_BORDER);
 152
 153                                 column++;
 154                                 if (column < grid)
 155                                         {
 156                                         x += PAN_THUMB_SIZE + PAN_THUMB_GAP;
 157                                         }
 158                                 else
 159                                         {
 160                                         column = 0;
 161                                         x = pbox->x + PAN_BOX_BORDER;
 162                                         y += PAN_THUMB_SIZE + PAN_THUMB_GAP;
 163                                         }
 164                                 }
 165                         }
 166                 }
 167
 168         x1 = pi_day->x + pi_day->width - 8;
 169         y1 = pi_day->y + 8;
 170         x2 = pbox->x + 1;
 171         y2 = pbox->y + MIN(42, pbox->height);
 172         x3 = pbox->x + 1;
 173         y3 = MAX(pbox->y, y2 - 30);
 174         util_clip_triangle(x1, y1, x2, y2, x3, y3,
 175                            &x, &y, &w, &h);
 176
 177         pi = pan_item_tri_new(pw, NULL, x, y, w, h,
 178                               x1, y1, x2, y2, x3, y3,
 179                               PAN_CAL_POPUP_COLOR, PAN_CAL_POPUP_ALPHA);
 180         pan_item_tri_border(pi, PAN_BORDER_1 | PAN_BORDER_3, PAN_CAL_POPUP_BORDER_COLOR, PAN_CAL_POPUP_ALPHA);
 181         pan_item_set_key(pi, "day_bubble");
 182         pan_item_added(pw, pi);
 183
 184         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
 185         pan_item_added(pw, pbox);
 186
 187         pan_layout_resize(pw);
 188 }
 189
 190 void pan_calendar_compute(PanWindow *pw, const gchar *path, gint *width, gint *height)
 191 {
 192         GList *list;
 193         GList *work;
 194         gint x, y;
 195         time_t tc;
 196         gint count;
 197         gint day_max;
 198         gint day_width;
 199         gint day_height;
 200         gint grid;
 201         gint year = 0;
 202         gint month = 0;
 203         gint end_year = 0;
 204         gint end_month = 0;
 205
 206         list = pan_list_tree(path, SORT_NONE, TRUE, pw->ignore_symlinks);
 207
 208         if (pw->cache_list && pw->exif_date_enable)
 209                 {
 210                 pw->cache_list = pan_cache_sort(pw->cache_list, SORT_NAME, TRUE);
 211                 list = filelist_sort(list, SORT_NAME, TRUE);
 212                 pan_cache_sync_date(pw, list);
 213                 }
 214
 215         pw->cache_list = pan_cache_sort(pw->cache_list, SORT_TIME, TRUE);
 216         list = filelist_sort(list, SORT_TIME, TRUE);
 217
 218         day_max = 0;
 219         count = 0;
 220         tc = 0;
 221         work = list;
 222         while (work)
 223                 {
 224                 FileData *fd;
 225
 226                 fd = work->data;
 227                 work = work->next;
 228
 229                 if (!pan_date_compare(fd->date, tc, PAN_DATE_LENGTH_DAY))
 230                         {
 231                         count = 0;
 232                         tc = fd->date;
 233                         }
 234                 else
 235                         {
 236                         count++;
 237                         if (day_max < count) day_max = count;
 238                         }
 239                 }
 240
 241         DEBUG_1("biggest day contains %d images", day_max);
 242
 243         grid = (gint)(sqrt((double)day_max) + 0.5) * (PAN_THUMB_SIZE + PAN_SHADOW_OFFSET * 2 + PAN_THUMB_GAP);
 244         day_width = MAX(PAN_CAL_DAY_WIDTH, grid);
 245         day_height = MAX(PAN_CAL_DAY_HEIGHT, grid);
 246
 247         if (list)
 248                 {
 249                 FileData *fd = list->data;
 250
 251                 year = pan_date_value(fd->date, PAN_DATE_LENGTH_YEAR);
 252                 month = pan_date_value(fd->date, PAN_DATE_LENGTH_MONTH);
 253                 }
 254
 255         work = g_list_last(list);
 256         if (work)
 257                 {
 258                 FileData *fd = work->data;
 259                 end_year = pan_date_value(fd->date, PAN_DATE_LENGTH_YEAR);
 260                 end_month = pan_date_value(fd->date, PAN_DATE_LENGTH_MONTH);
 261                 }
 262
 263         *width = PAN_BOX_BORDER * 2;
 264         *height = PAN_BOX_BORDER * 2;
 265
 266         x = PAN_BOX_BORDER;
 267         y = PAN_BOX_BORDER;
 268
 269         work = list;
 270         while (work && (year < end_year || (year == end_year && month <= end_month)))
 271                 {
 272                 PanItem *pi_month;
 273                 PanItem *pi_text;
 274                 gint day;
 275                 gint days;
 276                 gint col;
 277                 gint row;
 278                 time_t dt;
 279                 gchar *buf;
 280
 281                 /* figure last second of this month */
 282                 dt = pan_date_to_time((month == 12) ? year + 1 : year, (month == 12) ? 1 : month + 1, 1);
 283                 dt -= 60 * 60 * 24;
 284
 285                 /* anything to show this month? */
 286                 if (!pan_date_compare(((FileData *)(work->data))->date, dt, PAN_DATE_LENGTH_MONTH))
 287                         {
 288                         month ++;
 289                         if (month > 12)
 290                                 {
 291                                 year++;
 292                                 month = 1;
 293                                 }
 294                         continue;
 295                         }
 296
 297                 days = pan_date_value(dt, PAN_DATE_LENGTH_DAY);
 298                 dt = pan_date_to_time(year, month, 1);
 299                 col = pan_date_value(dt, PAN_DATE_LENGTH_WEEK);
 300                 row = 1;
 301
 302                 x = PAN_BOX_BORDER;
 303
 304                 pi_month = pan_item_box_new(pw, NULL, x, y, PAN_CAL_DAY_WIDTH * 7, PAN_CAL_DAY_HEIGHT / 4,
 305                                             PAN_CAL_MONTH_BORDER,
 306                                             PAN_CAL_MONTH_COLOR, PAN_CAL_MONTH_ALPHA,
 307                                             PAN_CAL_MONTH_BORDER_COLOR, PAN_CAL_MONTH_ALPHA);
 308                 buf = pan_date_value_string(dt, PAN_DATE_LENGTH_MONTH);
 309                 pi_text = pan_item_text_new(pw, x, y, buf,
 310                                             PAN_TEXT_ATTR_BOLD | PAN_TEXT_ATTR_HEADING,
 311                                             PAN_TEXT_BORDER_SIZE,
 312                                             PAN_CAL_MONTH_TEXT_COLOR, 255);
 313                 g_free(buf);
 314                 pi_text->x = pi_month->x + (pi_month->width - pi_text->width) / 2;
 315
 316                 pi_month->height = pi_text->y + pi_text->height - pi_month->y;
 317
 318                 x = PAN_BOX_BORDER + col * PAN_CAL_DAY_WIDTH;
 319                 y = pi_month->y + pi_month->height + PAN_BOX_BORDER;
 320
 321                 for (day = 1; day <= days; day++)
 322                         {
 323                         FileData *fd;
 324                         PanItem *pi_day;
 325                         gint dx, dy;
 326                         gint n = 0;
 327                         char fake_path[20];
 328
 329                         dt = pan_date_to_time(year, month, day);
 330
 331                         /*
 332                          * Create a FileData entry that represents the given day.
 333                          * It does not correspond to any real file
 334                          */
 335
 336                         g_snprintf(fake_path, sizeof(fake_path), "//%04d-%02d-%02d", year, month, day);
 337                         fd = file_data_new_simple(fake_path);
 338                         fd->date = dt;
 339                         pi_day = pan_item_box_new(pw, fd, x, y, PAN_CAL_DAY_WIDTH, PAN_CAL_DAY_HEIGHT,
 340                                                   PAN_CAL_DAY_BORDER,
 341                                                   PAN_CAL_DAY_COLOR, PAN_CAL_DAY_ALPHA,
 342                                                   PAN_CAL_DAY_BORDER_COLOR, PAN_CAL_DAY_ALPHA);
 343                         pan_item_set_key(pi_day, "day");
 344
 345                         dx = x + PAN_CAL_DOT_GAP * 2;
 346                         dy = y + PAN_CAL_DOT_GAP * 2;
 347
 348                         fd = (work) ? work->data : NULL;
 349                         while (fd && pan_date_compare(fd->date, dt, PAN_DATE_LENGTH_DAY))
 350                                 {
 351                                 PanItem *pi;
 352
 353                                 pi = pan_item_box_new(pw, fd, dx, dy, PAN_CAL_DOT_SIZE, PAN_CAL_DOT_SIZE,
 354                                                       0,
 355                                                       PAN_CAL_DOT_COLOR, PAN_CAL_DOT_ALPHA,
 356                                                       0, 0, 0, 0);
 357                                 pan_item_set_key(pi, "dot");
 358
 359                                 dx += PAN_CAL_DOT_SIZE + PAN_CAL_DOT_GAP;
 360                                 if (dx + PAN_CAL_DOT_SIZE > pi_day->x + pi_day->width - PAN_CAL_DOT_GAP * 2)
 361                                         {
 362                                         dx = x + PAN_CAL_DOT_GAP * 2;
 363                                         dy += PAN_CAL_DOT_SIZE + PAN_CAL_DOT_GAP;
 364                                         }
 365                                 if (dy + PAN_CAL_DOT_SIZE > pi_day->y + pi_day->height - PAN_CAL_DOT_GAP * 2)
 366                                         {
 367                                         /* must keep all dots within respective day even if it gets ugly */
 368                                         dy = y + PAN_CAL_DOT_GAP * 2;
 369                                         }
 370
 371                                 n++;
 372
 373                                 work = work->next;
 374                                 fd = (work) ? work->data : NULL;
 375                                 }
 376
 377                         if (n > 0)
 378                                 {
 379                                 PanItem *pi;
 380
 381                                 pi_day->color_r = MAX(pi_day->color_r - 61 - n * 3, 80);
 382                                 pi_day->color_g = pi_day->color_r;
 383
 384                                 buf = g_strdup_printf("( %d )", n);
 385                                 pi = pan_item_text_new(pw, x, y, buf, PAN_TEXT_ATTR_NONE,
 386                                                        PAN_TEXT_BORDER_SIZE,
 387                                                        PAN_CAL_DAY_TEXT_COLOR, 255);
 388                                 g_free(buf);
 389
 390                                 pi->x = pi_day->x + (pi_day->width - pi->width) / 2;
 391                                 pi->y = pi_day->y + (pi_day->height - pi->height) / 2;
 392                                 }
 393
 394                         buf = g_strdup_printf("%d", day);
 395                         pan_item_text_new(pw, x + 4, y + 4, buf, PAN_TEXT_ATTR_BOLD | PAN_TEXT_ATTR_HEADING,
 396                                           PAN_TEXT_BORDER_SIZE,
 397                                           PAN_CAL_DAY_TEXT_COLOR, 255);
 398                         g_free(buf);
 399
 400
 401                         pan_item_size_coordinates(pi_day, PAN_BOX_BORDER, width, height);
 402
 403                         col++;
 404                         if (col > 6)
 405                                 {
 406                                 col = 0;
 407                                 row++;
 408                                 x = PAN_BOX_BORDER;
 409                                 y += PAN_CAL_DAY_HEIGHT;
 410                                 }
 411                         else
 412                                 {
 413                                 x += PAN_CAL_DAY_WIDTH;
 414                                 }
 415                         }
 416
 417                 if (col > 0) y += PAN_CAL_DAY_HEIGHT;
 418                 y += PAN_BOX_BORDER * 2;
 419
 420                 month ++;
 421                 if (month > 12)
 422                         {
 423                         year++;
 424                         month = 1;
 425                         }
 426                 }
 427
 428         *width += grid;
 429         *height = MAX(*height, grid + PAN_BOX_BORDER * 2 * 2);
 430
 431         g_list_free(list);
 432 }