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