src/pan-view/pan-grid.cc

   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 <cmath>
  25
  26 #include "pan-item.h"
  27 #include "pan-types.h"
  28 #include "pan-util.h"
  29 #include "pan-view-filter.h"
  30 #include "typedefs.h"
  31
  32 void pan_grid_compute(PanWindow *pw, FileData *dir_fd, gint *width, gint *height)
  33 {
  34         GList *list;
  35         GList *work;
  36         gint x;
  37         gint y;
  38         gint grid_size;
  39         gint next_y;
  40
  41         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, TRUE, pw->ignore_symlinks);
  42         pan_filter_fd_list(&list, pw->filter_ui->filter_elements, pw->filter_ui->filter_classes);
  43
  44         grid_size = static_cast<gint>(sqrt(static_cast<gdouble>(g_list_length(list))));
  45         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
  46                 {
  47                 grid_size = grid_size * (512 + PAN_THUMB_GAP) * pw->image_size / 100;
  48                 }
  49         else
  50                 {
  51                 grid_size = grid_size * (PAN_THUMB_SIZE + PAN_THUMB_GAP);
  52                 }
  53
  54         next_y = 0;
  55
  56         *width = PAN_BOX_BORDER * 2;
  57         *height = PAN_BOX_BORDER * 2;
  58
  59         x = PAN_THUMB_GAP;
  60         y = PAN_THUMB_GAP;
  61         work = list;
  62         while (work)
  63                 {
  64                 FileData *fd;
  65                 PanItem *pi;
  66
  67                 fd = static_cast<FileData *>(work->data);
  68                 work = work->next;
  69
  70                 if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
  71                         {
  72                         pi = pan_item_image_new(pw, fd, x, y, 10, 10);
  73
  74                         x += pi->width + PAN_THUMB_GAP;
  75                         if (y + pi->height + PAN_THUMB_GAP > next_y) next_y = y + pi->height + PAN_THUMB_GAP;
  76                         if (x > grid_size)
  77                                 {
  78                                 x = PAN_THUMB_GAP;
  79                                 y = next_y;
  80                                 }
  81                         }
  82                 else
  83                         {
  84                         pi = pan_item_thumb_new(pw, fd, x, y);
  85
  86                         x += PAN_THUMB_SIZE + PAN_THUMB_GAP;
  87                         if (x > grid_size)
  88                                 {
  89                                 x = PAN_THUMB_GAP;
  90                                 y += PAN_THUMB_SIZE + PAN_THUMB_GAP;
  91                                 }
  92                         }
  93                 pan_item_size_coordinates(pi, PAN_THUMB_GAP, width, height);
  94                 }
  95
  96         g_list_free(list);
  97 }
  98 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */