src/pan-calendar.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 - 2012 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 <glib/gprintf.h>
  18 #include <math.h>
  19
  20
  21 #define PAN_CAL_POPUP_COLOR 220, 220, 220
  22 #define PAN_CAL_POPUP_ALPHA 255
  23 #define PAN_CAL_POPUP_BORDER 1
  24 #define PAN_CAL_POPUP_BORDER_COLOR 0, 0, 0
  25 #define PAN_CAL_POPUP_TEXT_COLOR 0, 0, 0
  26
  27 #define PAN_CAL_DAY_WIDTH 100
  28 #define PAN_CAL_DAY_HEIGHT 80
  29
  30 #define PAN_CAL_DAY_COLOR 255, 255, 255
  31 #define PAN_CAL_DAY_ALPHA 220
  32 #define PAN_CAL_DAY_BORDER 2
  33 #define PAN_CAL_DAY_BORDER_COLOR 0, 0, 0
  34 #define PAN_CAL_DAY_TEXT_COLOR 0, 0, 0
  35
  36 #define PAN_CAL_MONTH_COLOR 255, 255, 255
  37 #define PAN_CAL_MONTH_ALPHA 200
  38 #define PAN_CAL_MONTH_BORDER 4
  39 #define PAN_CAL_MONTH_BORDER_COLOR 0, 0, 0
  40 #define PAN_CAL_MONTH_TEXT_COLOR 0, 0, 0
  41
  42 #define PAN_CAL_DOT_SIZE 3
  43 #define PAN_CAL_DOT_GAP 2
  44 #define PAN_CAL_DOT_COLOR 128, 128, 128
  45 #define PAN_CAL_DOT_ALPHA 128
  46
  47
  48 /*
  49  *-----------------------------------------------------------------------------
  50  * calendar
  51  *-----------------------------------------------------------------------------
  52  */
  53
  54 void pan_calendar_update(PanWindow *pw, PanItem *pi_day)
  55 {
  56         PanItem *pbox;
  57         PanItem *pi;
  58         GList *list;
  59         GList *work;
  60         gint x1, y1, x2, y2, x3, y3;
  61         gint x, y, w, h;
  62         gint grid;
  63         gint column;
  64
  65         while ((pi = pan_item_find_by_key(pw, PAN_ITEM_NONE, "day_bubble"))) pan_item_remove(pw, pi);
  66
  67         if (!pi_day || pi_day->type != PAN_ITEM_BOX ||
  68             !pi_day->key || strcmp(pi_day->key, "day") != 0) return;
  69
  70         list = pan_layout_intersect(pw, pi_day->x, pi_day->y, pi_day->width, pi_day->height);
  71
  72         work = list;
  73         while (work)
  74                 {
  75                 PanItem *dot;
  76                 GList *node;
  77
  78                 dot = work->data;
  79                 node = work;
  80                 work = work->next;
  81
  82                 if (dot->type != PAN_ITEM_BOX || !dot->fd ||
  83                     !dot->key || strcmp(dot->key, "dot") != 0)
  84                         {
  85                         list = g_list_delete_link(list, node);
  86                         }
  87                 }
  88
  89 #if 0
  90         if (!list) return;
  91 #endif
  92
  93         grid = (gint)(sqrt(g_list_length(list)) + 0.5);
  94
  95         x = pi_day->x + pi_day->width + 4;
  96         y = pi_day->y;
  97
  98 #if 0
  99         if (y + grid * (PAN_THUMB_SIZE + PAN_THUMB_GAP) + PAN_BOX_BORDER * 4 > pw->pr->image_height)
 100                 {
 101                 y = pw->pr->image_height - (grid * (PAN_THUMB_SIZE + PAN_THUMB_GAP) + PAN_BOX_BORDER * 4);
 102                 }
 103 #endif
 104
 105         pbox = pan_item_box_new(pw, NULL, x, y, PAN_BOX_BORDER, PAN_BOX_BORDER,
 106                                 PAN_CAL_POPUP_BORDER,
 107                                 PAN_CAL_POPUP_COLOR, PAN_CAL_POPUP_ALPHA,
 108                                 PAN_CAL_POPUP_BORDER_COLOR, PAN_CAL_POPUP_ALPHA);
 109         pan_item_set_key(pbox, "day_bubble");
 110
 111         if (pi_day->fd)
 112                 {
 113                 PanItem *plabel;
 114                 gchar *buf;
 115
 116                 buf = pan_date_value_string(pi_day->fd->date, PAN_DATE_LENGTH_WEEK);
 117                 plabel = pan_item_text_new(pw, x, y, buf, PAN_TEXT_ATTR_BOLD | PAN_TEXT_ATTR_HEADING,
 118                                            PAN_TEXT_BORDER_SIZE,
 119                                            PAN_CAL_POPUP_TEXT_COLOR, 255);
 120                 pan_item_set_key(plabel, "day_bubble");
 121                 g_free(buf);
 122
 123                 pan_item_size_by_item(pbox, plabel, 0);
 124
 125                 y += plabel->height;
 126                 }
 127
 128         if (list)
 129                 {
 130                 column = 0;
 131
 132                 x += PAN_BOX_BORDER;
 133                 y += PAN_BOX_BORDER;
 134
 135                 work = list;
 136                 while (work)
 137                         {
 138                         PanItem *dot;
 139
 140                         dot = work->data;
 141                         work = work->next;
 142
 143                         if (dot->fd)
 144                                 {
 145                                 PanItem *pimg;
 146
 147                                 pimg = pan_item_thumb_new(pw, file_data_ref(dot->fd), x, y);
 148                                 pan_item_set_key(pimg, "day_bubble");
 149
 150                                 pan_item_size_by_item(pbox, pimg, PAN_BOX_BORDER);
 151
 152                                 column++;
 153                                 if (column < grid)
 154                                         {
 155                                         x += PAN_THUMB_SIZE + PAN_THUMB_GAP;
 156                                         }
 157                                 else
 158                                         {
 159                                         column = 0;
 160                                         x = pbox->x + PAN_BOX_BORDER;
 161                                         y += PAN_THUMB_SIZE + PAN_THUMB_GAP;
 162                                         }
 163                                 }
 164                         }
 165                 }
 166
 167         x1 = pi_day->x + pi_day->width - 8;
 168         y1 = pi_day->y + 8;
 169         x2 = pbox->x + 1;
 170         y2 = pbox->y + MIN(42, pbox->height);
 171         x3 = pbox->x + 1;
 172         y3 = MAX(pbox->y, y2 - 30);
 173         util_clip_triangle(x1, y1, x2, y2, x3, y3,
 174                            &x, &y, &w, &h);
 175
 176         pi = pan_item_tri_new(pw, NULL, x, y, w, h,
 177                               x1, y1, x2, y2, x3, y3,
 178                               PAN_CAL_POPUP_COLOR, PAN_CAL_POPUP_ALPHA);
 179         pan_item_tri_border(pi, PAN_BORDER_1 | PAN_BORDER_3, PAN_CAL_POPUP_BORDER_COLOR, PAN_CAL_POPUP_ALPHA);
 180         pan_item_set_key(pi, "day_bubble");
 181         pan_item_added(pw, pi);
 182
 183         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
 184         pan_item_added(pw, pbox);
 185
 186         pan_layout_resize(pw);
 187 }
 188
 189 void pan_calendar_compute(PanWindow *pw, FileData *dir_fd, gint *width, gint *height)
 190 {
 191         GList *list;
 192         GList *work;
 193         gint x, y;
 194         time_t tc;
 195         gint count;
 196         gint day_max;
 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(dir_fd, 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         DEBUG_1("biggest day contains %d images", day_max);
 239
 240         grid = (gint)(sqrt((gdouble)day_max) + 0.5) * (PAN_THUMB_SIZE + PAN_SHADOW_OFFSET * 2 + PAN_THUMB_GAP);
 241
 242         if (list)
 243                 {
 244                 FileData *fd = list->data;
 245
 246                 year = pan_date_value(fd->date, PAN_DATE_LENGTH_YEAR);
 247                 month = pan_date_value(fd->date, PAN_DATE_LENGTH_MONTH);
 248                 }
 249
 250         work = g_list_last(list);
 251         if (work)
 252                 {
 253                 FileData *fd = work->data;
 254                 end_year = pan_date_value(fd->date, PAN_DATE_LENGTH_YEAR);
 255                 end_month = pan_date_value(fd->date, PAN_DATE_LENGTH_MONTH);
 256                 }
 257
 258         *width = PAN_BOX_BORDER * 2;
 259         *height = PAN_BOX_BORDER * 2;
 260
 261         x = PAN_BOX_BORDER;
 262         y = PAN_BOX_BORDER;
 263
 264         work = list;
 265         while (work && (year < end_year || (year == end_year && month <= end_month)))
 266                 {
 267                 PanItem *pi_month;
 268                 PanItem *pi_text;
 269                 gint day;
 270                 gint days;
 271                 gint col;
 272                 gint row;
 273                 time_t dt;
 274                 gchar *buf;
 275
 276                 /* figure last second of this month */
 277                 dt = pan_date_to_time((month == 12) ? year + 1 : year, (month == 12) ? 1 : month + 1, 1);
 278                 dt -= 60 * 60 * 24;
 279
 280                 /* anything to show this month? */
 281                 if (!pan_date_compare(((FileData *)(work->data))->date, dt, PAN_DATE_LENGTH_MONTH))
 282                         {
 283                         month ++;
 284                         if (month > 12)
 285                                 {
 286                                 year++;
 287                                 month = 1;
 288                                 }
 289                         continue;
 290                         }
 291
 292                 days = pan_date_value(dt, PAN_DATE_LENGTH_DAY);
 293                 dt = pan_date_to_time(year, month, 1);
 294                 col = pan_date_value(dt, PAN_DATE_LENGTH_WEEK);
 295                 row = 1;
 296
 297                 x = PAN_BOX_BORDER;
 298
 299                 pi_month = pan_item_box_new(pw, NULL, x, y, PAN_CAL_DAY_WIDTH * 7, PAN_CAL_DAY_HEIGHT / 4,
 300                                             PAN_CAL_MONTH_BORDER,
 301                                             PAN_CAL_MONTH_COLOR, PAN_CAL_MONTH_ALPHA,
 302                                             PAN_CAL_MONTH_BORDER_COLOR, PAN_CAL_MONTH_ALPHA);
 303                 buf = pan_date_value_string(dt, PAN_DATE_LENGTH_MONTH);
 304                 pi_text = pan_item_text_new(pw, x, y, buf,
 305                                             PAN_TEXT_ATTR_BOLD | PAN_TEXT_ATTR_HEADING,
 306                                             PAN_TEXT_BORDER_SIZE,
 307                                             PAN_CAL_MONTH_TEXT_COLOR, 255);
 308                 g_free(buf);
 309                 pi_text->x = pi_month->x + (pi_month->width - pi_text->width) / 2;
 310
 311                 pi_month->height = pi_text->y + pi_text->height - pi_month->y;
 312
 313                 x = PAN_BOX_BORDER + col * PAN_CAL_DAY_WIDTH;
 314                 y = pi_month->y + pi_month->height + PAN_BOX_BORDER;
 315
 316                 for (day = 1; day <= days; day++)
 317                         {
 318                         FileData *fd;
 319                         PanItem *pi_day;
 320                         gint dx, dy;
 321                         gint n = 0;
 322                         gchar fake_path[20];
 323
 324                         dt = pan_date_to_time(year, month, day);
 325
 326                         /*
 327                          * Create a FileData entry that represents the given day.
 328                          * It does not correspond to any real file
 329                          */
 330
 331                         g_snprintf(fake_path, sizeof(fake_path), "//%04d-%02d-%02d", year, month, day);
 332                         fd = file_data_new_no_grouping(fake_path);
 333                         fd->date = dt;
 334                         pi_day = pan_item_box_new(pw, fd, x, y, PAN_CAL_DAY_WIDTH, PAN_CAL_DAY_HEIGHT,
 335                                                   PAN_CAL_DAY_BORDER,
 336                                                   PAN_CAL_DAY_COLOR, PAN_CAL_DAY_ALPHA,
 337                                                   PAN_CAL_DAY_BORDER_COLOR, PAN_CAL_DAY_ALPHA);
 338                         pan_item_set_key(pi_day, "day");
 339
 340                         dx = x + PAN_CAL_DOT_GAP * 2;
 341                         dy = y + PAN_CAL_DOT_GAP * 2;
 342
 343                         fd = (work) ? work->data : NULL;
 344                         while (fd && pan_date_compare(fd->date, dt, PAN_DATE_LENGTH_DAY))
 345                                 {
 346                                 PanItem *pi;
 347
 348                                 pi = pan_item_box_new(pw, fd, dx, dy, PAN_CAL_DOT_SIZE, PAN_CAL_DOT_SIZE,
 349                                                       0,
 350                                                       PAN_CAL_DOT_COLOR, PAN_CAL_DOT_ALPHA,
 351                                                       0, 0, 0, 0);
 352                                 pan_item_set_key(pi, "dot");
 353
 354                                 dx += PAN_CAL_DOT_SIZE + PAN_CAL_DOT_GAP;
 355                                 if (dx + PAN_CAL_DOT_SIZE > pi_day->x + pi_day->width - PAN_CAL_DOT_GAP * 2)
 356                                         {
 357                                         dx = x + PAN_CAL_DOT_GAP * 2;
 358                                         dy += PAN_CAL_DOT_SIZE + PAN_CAL_DOT_GAP;
 359                                         }
 360                                 if (dy + PAN_CAL_DOT_SIZE > pi_day->y + pi_day->height - PAN_CAL_DOT_GAP * 2)
 361                                         {
 362                                         /* must keep all dots within respective day even if it gets ugly */
 363                                         dy = y + PAN_CAL_DOT_GAP * 2;
 364                                         }
 365
 366                                 n++;
 367
 368                                 work = work->next;
 369                                 fd = (work) ? work->data : NULL;
 370                                 }
 371
 372                         if (n > 0)
 373                                 {
 374                                 PanItem *pi;
 375
 376                                 pi_day->color_r = MAX(pi_day->color_r - 61 - n * 3, 80);
 377                                 pi_day->color_g = pi_day->color_r;
 378
 379                                 buf = g_strdup_printf("( %d )", n);
 380                                 pi = pan_item_text_new(pw, x, y, buf, PAN_TEXT_ATTR_NONE,
 381                                                        PAN_TEXT_BORDER_SIZE,
 382                                                        PAN_CAL_DAY_TEXT_COLOR, 255);
 383                                 g_free(buf);
 384
 385                                 pi->x = pi_day->x + (pi_day->width - pi->width) / 2;
 386                                 pi->y = pi_day->y + (pi_day->height - pi->height) / 2;
 387                                 }
 388
 389                         buf = g_strdup_printf("%d", day);
 390                         pan_item_text_new(pw, x + 4, y + 4, buf, PAN_TEXT_ATTR_BOLD | PAN_TEXT_ATTR_HEADING,
 391                                           PAN_TEXT_BORDER_SIZE,
 392                                           PAN_CAL_DAY_TEXT_COLOR, 255);
 393                         g_free(buf);
 394
 395
 396                         pan_item_size_coordinates(pi_day, PAN_BOX_BORDER, width, height);
 397
 398                         col++;
 399                         if (col > 6)
 400                                 {
 401                                 col = 0;
 402                                 row++;
 403                                 x = PAN_BOX_BORDER;
 404                                 y += PAN_CAL_DAY_HEIGHT;
 405                                 }
 406                         else
 407                                 {
 408                                 x += PAN_CAL_DAY_WIDTH;
 409                                 }
 410                         }
 411
 412                 if (col > 0) y += PAN_CAL_DAY_HEIGHT;
 413                 y += PAN_BOX_BORDER * 2;
 414
 415                 month ++;
 416                 if (month > 12)
 417                         {
 418                         year++;
 419                         month = 1;
 420                         }
 421                 }
 422
 423         *width += grid;
 424         *height = MAX(*height, grid + PAN_BOX_BORDER * 2 * 2);
 425
 426         g_list_free(list);
 427 }
 428 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */