src/pan-grid.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 #include <math.h>
  18
  19
  20 void pan_grid_compute(PanWindow *pw, FileData *dir_fd, gint *width, gint *height)
  21 {
  22         GList *list;
  23         GList *work;
  24         gint x, y;
  25         gint grid_size;
  26         gint next_y;
  27
  28         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, pw->ignore_symlinks);
  29
  30         grid_size = (gint)sqrt((gdouble)g_list_length(list));
  31         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
  32                 {
  33                 grid_size = grid_size * (512 + PAN_THUMB_GAP) * pw->image_size / 100;
  34                 }
  35         else
  36                 {
  37                 grid_size = grid_size * (PAN_THUMB_SIZE + PAN_THUMB_GAP);
  38                 }
  39
  40         next_y = 0;
  41
  42         *width = PAN_BOX_BORDER * 2;
  43         *height = PAN_BOX_BORDER * 2;
  44
  45         x = PAN_THUMB_GAP;
  46         y = PAN_THUMB_GAP;
  47         work = list;
  48         while (work)
  49                 {
  50                 FileData *fd;
  51                 PanItem *pi;
  52
  53                 fd = work->data;
  54                 work = work->next;
  55
  56                 if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
  57                         {
  58                         pi = pan_item_image_new(pw, fd, x, y, 10, 10);
  59
  60                         x += pi->width + PAN_THUMB_GAP;
  61                         if (y + pi->height + PAN_THUMB_GAP > next_y) next_y = y + pi->height + PAN_THUMB_GAP;
  62                         if (x > grid_size)
  63                                 {
  64                                 x = PAN_THUMB_GAP;
  65                                 y = next_y;
  66                                 }
  67                         }
  68                 else
  69                         {
  70                         pi = pan_item_thumb_new(pw, fd, x, y);
  71
  72                         x += PAN_THUMB_SIZE + PAN_THUMB_GAP;
  73                         if (x > grid_size)
  74                                 {
  75                                 x = PAN_THUMB_GAP;
  76                                 y += PAN_THUMB_SIZE + PAN_THUMB_GAP;
  77                                 }
  78                         }
  79                 pan_item_size_coordinates(pi, PAN_THUMB_GAP, width, height);
  80                 }
  81
  82         g_list_free(list);
  83 }
  84 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */