src/pan-timeline.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
  18 void pan_timeline_compute(PanWindow *pw, FileData *dir_fd, gint *width, gint *height)
  19 {
  20         GList *list;
  21         GList *work;
  22         gint x, y;
  23         time_t tc;
  24         gint total;
  25         gint count;
  26         PanItem *pi_month = NULL;
  27         PanItem *pi_day = NULL;
  28         gint month_start;
  29         gint day_start;
  30         gint x_width;
  31         gint y_height;
  32
  33         list = pan_list_tree(dir_fd, SORT_NONE, TRUE, pw->ignore_symlinks);
  34
  35         if (pw->cache_list && pw->exif_date_enable)
  36                 {
  37                 pw->cache_list = pan_cache_sort(pw->cache_list, SORT_NAME, TRUE);
  38                 list = filelist_sort(list, SORT_NAME, TRUE);
  39                 pan_cache_sync_date(pw, list);
  40                 }
  41
  42         pw->cache_list = pan_cache_sort(pw->cache_list, SORT_TIME, TRUE);
  43         list = filelist_sort(list, SORT_TIME, TRUE);
  44
  45         *width = PAN_BOX_BORDER * 2;
  46         *height = PAN_BOX_BORDER * 2;
  47
  48         x = 0;
  49         y = 0;
  50         month_start = y;
  51         day_start = month_start;
  52         x_width = 0;
  53         y_height = 0;
  54         tc = 0;
  55         total = 0;
  56         count = 0;
  57         work = list;
  58         while (work)
  59                 {
  60                 FileData *fd;
  61                 PanItem *pi;
  62
  63                 fd = work->data;
  64                 work = work->next;
  65
  66                 if (!pan_date_compare(fd->date, tc, PAN_DATE_LENGTH_DAY))
  67                         {
  68                         GList *needle;
  69                         gchar *buf;
  70
  71                         if (!pan_date_compare(fd->date, tc, PAN_DATE_LENGTH_MONTH))
  72                                 {
  73                                 pi_day = NULL;
  74
  75                                 if (pi_month)
  76                                         {
  77                                         x = pi_month->x + pi_month->width + PAN_BOX_BORDER;
  78                                         }
  79                                 else
  80                                         {
  81                                         x = PAN_BOX_BORDER;
  82                                         }
  83
  84                                 y = PAN_BOX_BORDER;
  85
  86                                 buf = pan_date_value_string(fd->date, PAN_DATE_LENGTH_MONTH);
  87                                 pi = pan_item_text_new(pw, x, y, buf,
  88                                                        PAN_TEXT_ATTR_BOLD | PAN_TEXT_ATTR_HEADING,
  89                                                        PAN_TEXT_BORDER_SIZE,
  90                                                        PAN_TEXT_COLOR, 255);
  91                                 g_free(buf);
  92                                 y += pi->height;
  93
  94                                 pi_month = pan_item_box_new(pw, file_data_ref(fd),
  95                                                             x, y, 0, 0,
  96                                                             PAN_BOX_OUTLINE_THICKNESS,
  97                                                             PAN_BOX_COLOR, PAN_BOX_ALPHA,
  98                                                             PAN_BOX_OUTLINE_COLOR, PAN_BOX_OUTLINE_ALPHA);
  99
 100                                 x += PAN_BOX_BORDER;
 101                                 y += PAN_BOX_BORDER;
 102                                 month_start = y;
 103                                 }
 104
 105                         if (pi_day) x = pi_day->x + pi_day->width + PAN_BOX_BORDER;
 106
 107                         tc = fd->date;
 108                         total = 1;
 109                         count = 0;
 110
 111                         needle = work;
 112                         while (needle)
 113                                 {
 114                                 FileData *nfd;
 115
 116                                 nfd = needle->data;
 117                                 if (pan_date_compare(nfd->date, tc, PAN_DATE_LENGTH_DAY))
 118                                         {
 119                                         needle = needle->next;
 120                                         total++;
 121                                         }
 122                                 else
 123                                         {
 124                                         needle = NULL;
 125                                         }
 126                                 }
 127
 128                         buf = pan_date_value_string(fd->date, PAN_DATE_LENGTH_WEEK);
 129                         pi = pan_item_text_new(pw, x, y, buf, PAN_TEXT_ATTR_NONE,
 130                                                PAN_TEXT_BORDER_SIZE,
 131                                                PAN_TEXT_COLOR, 255);
 132                         g_free(buf);
 133
 134                         y += pi->height;
 135
 136                         pi_day = pan_item_box_new(pw, file_data_ref(fd), x, y, 0, 0,
 137                                                   PAN_BOX_OUTLINE_THICKNESS,
 138                                                   PAN_BOX_COLOR, PAN_BOX_ALPHA,
 139                                                   PAN_BOX_OUTLINE_COLOR, PAN_BOX_OUTLINE_ALPHA);
 140
 141                         x += PAN_BOX_BORDER;
 142                         y += PAN_BOX_BORDER;
 143                         day_start = y;
 144                         }
 145
 146                 if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
 147                         {
 148                         pi = pan_item_image_new(pw, fd, x, y, 10, 10);
 149                         if (pi->width > x_width) x_width = pi->width;
 150                         y_height = pi->height;
 151                         }
 152                 else
 153                         {
 154                         pi = pan_item_thumb_new(pw, fd, x, y);
 155                         x_width = PAN_THUMB_SIZE;
 156                         y_height = PAN_THUMB_SIZE;
 157                         }
 158
 159                 pan_item_size_by_item(pi_day, pi, PAN_BOX_BORDER);
 160                 pan_item_size_by_item(pi_month, pi_day, PAN_BOX_BORDER);
 161
 162                 total--;
 163                 count++;
 164
 165                 if (total > 0 && count < PAN_GROUP_MAX)
 166                         {
 167                         y += y_height + PAN_THUMB_GAP;
 168                         }
 169                 else
 170                         {
 171                         x += x_width + PAN_THUMB_GAP;
 172                         x_width = 0;
 173                         count = 0;
 174
 175                         if (total > 0)
 176                                 y = day_start;
 177                         else
 178                                 y = month_start;
 179                         }
 180
 181                 pan_item_size_coordinates(pi_month, PAN_BOX_BORDER, width, height);
 182                 }
 183
 184         g_list_free(list);
 185 }
 186 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */