src/pan-view/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 "pan-grid.h"
  23
  24 #include <math.h>
  25
  26 #include "pan-item.h"
  27 #include "pan-util.h"
  28
  29 void pan_grid_compute(PanWindow *pw, FileData *dir_fd, gint *width, gint *height)
  30 {
  31         GList *list;
  32         GList *work;
  33         gint x, y;
  34         gint grid_size;
  35         gint next_y;
  36
  37         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, pw->ignore_symlinks);
  38
  39         grid_size = (gint)sqrt((gdouble)g_list_length(list));
  40         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
  41                 {
  42                 grid_size = grid_size * (512 + PAN_THUMB_GAP) * pw->image_size / 100;
  43                 }
  44         else
  45                 {
  46                 grid_size = grid_size * (PAN_THUMB_SIZE + PAN_THUMB_GAP);
  47                 }
  48
  49         next_y = 0;
  50
  51         *width = PAN_BOX_BORDER * 2;
  52         *height = PAN_BOX_BORDER * 2;
  53
  54         x = PAN_THUMB_GAP;
  55         y = PAN_THUMB_GAP;
  56         work = list;
  57         while (work)
  58                 {
  59                 FileData *fd;
  60                 PanItem *pi;
  61
  62                 fd = work->data;
  63                 work = work->next;
  64
  65                 if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
  66                         {
  67                         pi = pan_item_image_new(pw, fd, x, y, 10, 10);
  68
  69                         x += pi->width + PAN_THUMB_GAP;
  70                         if (y + pi->height + PAN_THUMB_GAP > next_y) next_y = y + pi->height + PAN_THUMB_GAP;
  71                         if (x > grid_size)
  72                                 {
  73                                 x = PAN_THUMB_GAP;
  74                                 y = next_y;
  75                                 }
  76                         }
  77                 else
  78                         {
  79                         pi = pan_item_thumb_new(pw, fd, x, y);
  80
  81                         x += PAN_THUMB_SIZE + PAN_THUMB_GAP;
  82                         if (x > grid_size)
  83                                 {
  84                                 x = PAN_THUMB_GAP;
  85                                 y += PAN_THUMB_SIZE + PAN_THUMB_GAP;
  86                                 }
  87                         }
  88                 pan_item_size_coordinates(pi, PAN_THUMB_GAP, width, height);
  89                 }
  90
  91         g_list_free(list);
  92 }
  93 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */