src/pan-grid.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  *
   5  * Author: John Ellis
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12
  13 #include "main.h"
  14 #include "pan-types.h"
  15
  16 #include <math.h>
  17
  18
  19 void pan_grid_compute(PanWindow *pw, const gchar *path, gint *width, gint *height)
  20 {
  21         GList *list;
  22         GList *work;
  23         gint x, y;
  24         gint grid_size;
  25         gint next_y;
  26
  27         list = pan_list_tree(path, SORT_NAME, TRUE, pw->ignore_symlinks);
  28
  29         grid_size = (gint)sqrt((double)g_list_length(list));
  30         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
  31                 {
  32                 grid_size = grid_size * (512 + PAN_THUMB_GAP) * pw->image_size / 100;
  33                 }
  34         else
  35                 {
  36                 grid_size = grid_size * (PAN_THUMB_SIZE + PAN_THUMB_GAP);
  37                 }
  38
  39         next_y = 0;
  40
  41         *width = PAN_BOX_BORDER * 2;
  42         *height = PAN_BOX_BORDER * 2;
  43
  44         x = PAN_THUMB_GAP;
  45         y = PAN_THUMB_GAP;
  46         work = list;
  47         while (work)
  48                 {
  49                 FileData *fd;
  50                 PanItem *pi;
  51
  52                 fd = work->data;
  53                 work = work->next;
  54
  55                 if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
  56                         {
  57                         pi = pan_item_image_new(pw, fd, x, y, 10, 10);
  58
  59                         x += pi->width + PAN_THUMB_GAP;
  60                         if (y + pi->height + PAN_THUMB_GAP > next_y) next_y = y + pi->height + PAN_THUMB_GAP;
  61                         if (x > grid_size)
  62                                 {
  63                                 x = PAN_THUMB_GAP;
  64                                 y = next_y;
  65                                 }
  66                         }
  67                 else
  68                         {
  69                         pi = pan_item_thumb_new(pw, fd, x, y);
  70
  71                         x += PAN_THUMB_SIZE + PAN_THUMB_GAP;
  72                         if (x > grid_size)
  73                                 {
  74                                 x = PAN_THUMB_GAP;
  75                                 y += PAN_THUMB_SIZE + PAN_THUMB_GAP;
  76                                 }
  77                         }
  78                 pan_item_size_coordinates(pi, PAN_THUMB_GAP, width, height);
  79                 }
  80
  81         g_list_free(list);
  82 }
  83