src/pan-grid.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 #include <math.h>
  26
  27
  28 void pan_grid_compute(PanWindow *pw, FileData *dir_fd, gint *width, gint *height)
  29 {
  30         GList *list;
  31         GList *work;
  32         gint x, y;
  33         gint grid_size;
  34         gint next_y;
  35
  36         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, pw->ignore_symlinks);
  37
  38         grid_size = (gint)sqrt((gdouble)g_list_length(list));
  39         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
  40                 {
  41                 grid_size = grid_size * (512 + PAN_THUMB_GAP) * pw->image_size / 100;
  42                 }
  43         else
  44                 {
  45                 grid_size = grid_size * (PAN_THUMB_SIZE + PAN_THUMB_GAP);
  46                 }
  47
  48         next_y = 0;
  49
  50         *width = PAN_BOX_BORDER * 2;
  51         *height = PAN_BOX_BORDER * 2;
  52
  53         x = PAN_THUMB_GAP;
  54         y = PAN_THUMB_GAP;
  55         work = list;
  56         while (work)
  57                 {
  58                 FileData *fd;
  59                 PanItem *pi;
  60
  61                 fd = work->data;
  62                 work = work->next;
  63
  64                 if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
  65                         {
  66                         pi = pan_item_image_new(pw, fd, x, y, 10, 10);
  67
  68                         x += pi->width + PAN_THUMB_GAP;
  69                         if (y + pi->height + PAN_THUMB_GAP > next_y) next_y = y + pi->height + PAN_THUMB_GAP;
  70                         if (x > grid_size)
  71                                 {
  72                                 x = PAN_THUMB_GAP;
  73                                 y = next_y;
  74                                 }
  75                         }
  76                 else
  77                         {
  78                         pi = pan_item_thumb_new(pw, fd, x, y);
  79
  80                         x += PAN_THUMB_SIZE + PAN_THUMB_GAP;
  81                         if (x > grid_size)
  82                                 {
  83                                 x = PAN_THUMB_GAP;
  84                                 y += PAN_THUMB_SIZE + PAN_THUMB_GAP;
  85                                 }
  86                         }
  87                 pan_item_size_coordinates(pi, PAN_THUMB_GAP, width, height);
  88                 }
  89
  90         g_list_free(list);
  91 }
  92 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */