src/pan-view/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 "pan-timeline.h"
  23
  24 #include "pan-item.h"
  25 #include "pan-util.h"
  26 #include "pan-view.h"
  27
  28 void pan_timeline_compute(PanWindow *pw, FileData *dir_fd, gint *width, gint *height)
  29 {
  30         GList *list;
  31         GList *work;
  32         gint x, y;
  33         time_t tc;
  34         gint total;
  35         gint count;
  36         PanItem *pi_month = NULL;
  37         PanItem *pi_day = NULL;
  38         gint month_start;
  39         gint day_start;
  40         gint x_width;
  41         gint y_height;
  42
  43         list = pan_list_tree(dir_fd, SORT_NONE, TRUE, pw->ignore_symlinks);
  44
  45         if (pw->cache_list && pw->exif_date_enable)
  46                 {
  47                 pw->cache_list = pan_cache_sort(pw->cache_list, SORT_NAME, TRUE);
  48                 list = filelist_sort(list, SORT_NAME, TRUE);
  49                 pan_cache_sync_date(pw, list);
  50                 }
  51
  52         pw->cache_list = pan_cache_sort(pw->cache_list, SORT_TIME, TRUE);
  53         list = filelist_sort(list, SORT_TIME, TRUE);
  54
  55         *width = PAN_BOX_BORDER * 2;
  56         *height = PAN_BOX_BORDER * 2;
  57
  58         x = 0;
  59         y = 0;
  60         month_start = y;
  61         day_start = month_start;
  62         x_width = 0;
  63         y_height = 0;
  64         tc = 0;
  65         total = 0;
  66         count = 0;
  67         work = list;
  68         while (work)
  69                 {
  70                 FileData *fd;
  71                 PanItem *pi;
  72
  73                 fd = work->data;
  74                 work = work->next;
  75
  76                 if (!pan_date_compare(fd->date, tc, PAN_DATE_LENGTH_DAY))
  77                         {
  78                         GList *needle;
  79                         gchar *buf;
  80
  81                         if (!pan_date_compare(fd->date, tc, PAN_DATE_LENGTH_MONTH))
  82                                 {
  83                                 pi_day = NULL;
  84
  85                                 if (pi_month)
  86                                         {
  87                                         x = pi_month->x + pi_month->width + PAN_BOX_BORDER;
  88                                         }
  89                                 else
  90                                         {
  91                                         x = PAN_BOX_BORDER;
  92                                         }
  93
  94                                 y = PAN_BOX_BORDER;
  95
  96                                 buf = pan_date_value_string(fd->date, PAN_DATE_LENGTH_MONTH);
  97                                 pi = pan_item_text_new(pw, x, y, buf,
  98                                                        PAN_TEXT_ATTR_BOLD | PAN_TEXT_ATTR_HEADING,
  99                                                        PAN_TEXT_BORDER_SIZE,
 100                                                        PAN_TEXT_COLOR, 255);
 101                                 g_free(buf);
 102                                 y += pi->height;
 103
 104                                 pi_month = pan_item_box_new(pw, file_data_ref(fd),
 105                                                             x, y, 0, 0,
 106                                                             PAN_BOX_OUTLINE_THICKNESS,
 107                                                             PAN_BOX_COLOR, PAN_BOX_ALPHA,
 108                                                             PAN_BOX_OUTLINE_COLOR, PAN_BOX_OUTLINE_ALPHA);
 109
 110                                 x += PAN_BOX_BORDER;
 111                                 y += PAN_BOX_BORDER;
 112                                 month_start = y;
 113                                 }
 114
 115                         if (pi_day) x = pi_day->x + pi_day->width + PAN_BOX_BORDER;
 116
 117                         tc = fd->date;
 118                         total = 1;
 119                         count = 0;
 120
 121                         needle = work;
 122                         while (needle)
 123                                 {
 124                                 FileData *nfd;
 125
 126                                 nfd = needle->data;
 127                                 if (pan_date_compare(nfd->date, tc, PAN_DATE_LENGTH_DAY))
 128                                         {
 129                                         needle = needle->next;
 130                                         total++;
 131                                         }
 132                                 else
 133                                         {
 134                                         needle = NULL;
 135                                         }
 136                                 }
 137
 138                         buf = pan_date_value_string(fd->date, PAN_DATE_LENGTH_WEEK);
 139                         pi = pan_item_text_new(pw, x, y, buf, PAN_TEXT_ATTR_NONE,
 140                                                PAN_TEXT_BORDER_SIZE,
 141                                                PAN_TEXT_COLOR, 255);
 142                         g_free(buf);
 143
 144                         y += pi->height;
 145
 146                         pi_day = pan_item_box_new(pw, file_data_ref(fd), x, y, 0, 0,
 147                                                   PAN_BOX_OUTLINE_THICKNESS,
 148                                                   PAN_BOX_COLOR, PAN_BOX_ALPHA,
 149                                                   PAN_BOX_OUTLINE_COLOR, PAN_BOX_OUTLINE_ALPHA);
 150
 151                         x += PAN_BOX_BORDER;
 152                         y += PAN_BOX_BORDER;
 153                         day_start = y;
 154                         }
 155
 156                 if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
 157                         {
 158                         pi = pan_item_image_new(pw, fd, x, y, 10, 10);
 159                         if (pi->width > x_width) x_width = pi->width;
 160                         y_height = pi->height;
 161                         }
 162                 else
 163                         {
 164                         pi = pan_item_thumb_new(pw, fd, x, y);
 165                         x_width = PAN_THUMB_SIZE;
 166                         y_height = PAN_THUMB_SIZE;
 167                         }
 168
 169                 pan_item_size_by_item(pi_day, pi, PAN_BOX_BORDER);
 170                 pan_item_size_by_item(pi_month, pi_day, PAN_BOX_BORDER);
 171
 172                 total--;
 173                 count++;
 174
 175                 if (total > 0 && count < PAN_GROUP_MAX)
 176                         {
 177                         y += y_height + PAN_THUMB_GAP;
 178                         }
 179                 else
 180                         {
 181                         x += x_width + PAN_THUMB_GAP;
 182                         x_width = 0;
 183                         count = 0;
 184
 185                         if (total > 0)
 186                                 y = day_start;
 187                         else
 188                                 y = month_start;
 189                         }
 190
 191                 pan_item_size_coordinates(pi_month, PAN_BOX_BORDER, width, height);
 192                 }
 193
 194         g_list_free(list);
 195 }
 196 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */