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