src/pan-timeline.c

   1 /*
   2  * Copyright (C) 2006 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "main.h"
  23 #include "pan-types.h"
  24
  25
  26 void pan_timeline_compute(PanWindow *pw, FileData *dir_fd, gint *width, gint *height)
  27 {
  28         GList *list;
  29         GList *work;
  30         gint x, y;
  31         time_t tc;
  32         gint total;
  33         gint count;
  34         PanItem *pi_month = NULL;
  35         PanItem *pi_day = NULL;
  36         gint month_start;
  37         gint day_start;
  38         gint x_width;
  39         gint y_height;
  40
  41         list = pan_list_tree(dir_fd, SORT_NONE, TRUE, pw->ignore_symlinks);
  42
  43         if (pw->cache_list && pw->exif_date_enable)
  44                 {
  45                 pw->cache_list = pan_cache_sort(pw->cache_list, SORT_NAME, TRUE);
  46                 list = filelist_sort(list, SORT_NAME, TRUE);
  47                 pan_cache_sync_date(pw, list);
  48                 }
  49
  50         pw->cache_list = pan_cache_sort(pw->cache_list, SORT_TIME, TRUE);
  51         list = filelist_sort(list, SORT_TIME, TRUE);
  52
  53         *width = PAN_BOX_BORDER * 2;
  54         *height = PAN_BOX_BORDER * 2;
  55
  56         x = 0;
  57         y = 0;
  58         month_start = y;
  59         day_start = month_start;
  60         x_width = 0;
  61         y_height = 0;
  62         tc = 0;
  63         total = 0;
  64         count = 0;
  65         work = list;
  66         while (work)
  67                 {
  68                 FileData *fd;
  69                 PanItem *pi;
  70
  71                 fd = work->data;
  72                 work = work->next;
  73
  74                 if (!pan_date_compare(fd->date, tc, PAN_DATE_LENGTH_DAY))
  75                         {
  76                         GList *needle;
  77                         gchar *buf;
  78
  79                         if (!pan_date_compare(fd->date, tc, PAN_DATE_LENGTH_MONTH))
  80                                 {
  81                                 pi_day = NULL;
  82
  83                                 if (pi_month)
  84                                         {
  85                                         x = pi_month->x + pi_month->width + PAN_BOX_BORDER;
  86                                         }
  87                                 else
  88                                         {
  89                                         x = PAN_BOX_BORDER;
  90                                         }
  91
  92                                 y = PAN_BOX_BORDER;
  93
  94                                 buf = pan_date_value_string(fd->date, PAN_DATE_LENGTH_MONTH);
  95                                 pi = pan_item_text_new(pw, x, y, buf,
  96                                                        PAN_TEXT_ATTR_BOLD | PAN_TEXT_ATTR_HEADING,
  97                                                        PAN_TEXT_BORDER_SIZE,
  98                                                        PAN_TEXT_COLOR, 255);
  99                                 g_free(buf);
 100                                 y += pi->height;
 101
 102                                 pi_month = pan_item_box_new(pw, file_data_ref(fd),
 103                                                             x, y, 0, 0,
 104                                                             PAN_BOX_OUTLINE_THICKNESS,
 105                                                             PAN_BOX_COLOR, PAN_BOX_ALPHA,
 106                                                             PAN_BOX_OUTLINE_COLOR, PAN_BOX_OUTLINE_ALPHA);
 107
 108                                 x += PAN_BOX_BORDER;
 109                                 y += PAN_BOX_BORDER;
 110                                 month_start = y;
 111                                 }
 112
 113                         if (pi_day) x = pi_day->x + pi_day->width + PAN_BOX_BORDER;
 114
 115                         tc = fd->date;
 116                         total = 1;
 117                         count = 0;
 118
 119                         needle = work;
 120                         while (needle)
 121                                 {
 122                                 FileData *nfd;
 123
 124                                 nfd = needle->data;
 125                                 if (pan_date_compare(nfd->date, tc, PAN_DATE_LENGTH_DAY))
 126                                         {
 127                                         needle = needle->next;
 128                                         total++;
 129                                         }
 130                                 else
 131                                         {
 132                                         needle = NULL;
 133                                         }
 134                                 }
 135
 136                         buf = pan_date_value_string(fd->date, PAN_DATE_LENGTH_WEEK);
 137                         pi = pan_item_text_new(pw, x, y, buf, PAN_TEXT_ATTR_NONE,
 138                                                PAN_TEXT_BORDER_SIZE,
 139                                                PAN_TEXT_COLOR, 255);
 140                         g_free(buf);
 141
 142                         y += pi->height;
 143
 144                         pi_day = pan_item_box_new(pw, file_data_ref(fd), x, y, 0, 0,
 145                                                   PAN_BOX_OUTLINE_THICKNESS,
 146                                                   PAN_BOX_COLOR, PAN_BOX_ALPHA,
 147                                                   PAN_BOX_OUTLINE_COLOR, PAN_BOX_OUTLINE_ALPHA);
 148
 149                         x += PAN_BOX_BORDER;
 150                         y += PAN_BOX_BORDER;
 151                         day_start = y;
 152                         }
 153
 154                 if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
 155                         {
 156                         pi = pan_item_image_new(pw, fd, x, y, 10, 10);
 157                         if (pi->width > x_width) x_width = pi->width;
 158                         y_height = pi->height;
 159                         }
 160                 else
 161                         {
 162                         pi = pan_item_thumb_new(pw, fd, x, y);
 163                         x_width = PAN_THUMB_SIZE;
 164                         y_height = PAN_THUMB_SIZE;
 165                         }
 166
 167                 pan_item_size_by_item(pi_day, pi, PAN_BOX_BORDER);
 168                 pan_item_size_by_item(pi_month, pi_day, PAN_BOX_BORDER);
 169
 170                 total--;
 171                 count++;
 172
 173                 if (total > 0 && count < PAN_GROUP_MAX)
 174                         {
 175                         y += y_height + PAN_THUMB_GAP;
 176                         }
 177                 else
 178                         {
 179                         x += x_width + PAN_THUMB_GAP;
 180                         x_width = 0;
 181                         count = 0;
 182
 183                         if (total > 0)
 184                                 y = day_start;
 185                         else
 186                                 y = month_start;
 187                         }
 188
 189                 pan_item_size_coordinates(pi_month, PAN_BOX_BORDER, width, height);
 190                 }
 191
 192         g_list_free(list);
 193 }
 194 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */