source/blender/editors/space_file/filesel.c

   1 /**
   2  * $Id$
   3  *
   4  * ***** BEGIN GPL LICENSE BLOCK *****
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19  *
  20  * The Original Code is Copyright (C) 2008 Blender Foundation.
  21  * All rights reserved.
  22  *
  23  *
  24  * Contributor(s): Blender Foundation
  25  *
  26  * ***** END GPL LICENSE BLOCK *****
  27  */
  28
  29 #include <string.h>
  30 #include <stdio.h>
  31 #include <math.h>
  32
  33 #include <sys/stat.h>
  34 #include <sys/types.h>
  35
  36 #ifdef WIN32
  37 #include <io.h>
  38 #include <direct.h>
  39 #include "BLI_winstuff.h"
  40 #else
  41 #include <unistd.h>
  42 #include <sys/times.h>
  43 #endif
  44
  45 #include "DNA_space_types.h"
  46 #include "DNA_scene_types.h"
  47 #include "DNA_screen_types.h"
  48 #include "DNA_userdef_types.h"
  49 #include "DNA_windowmanager_types.h"
  50
  51 #include "MEM_guardedalloc.h"
  52
  53 #include "BLI_blenlib.h"
  54 #include "BLI_linklist.h"
  55 #include "BLI_storage_types.h"
  56 #include "BLI_dynstr.h"
  57
  58 #include "BKE_context.h"
  59 #include "BKE_screen.h"
  60 #include "BKE_global.h"
  61
  62 #include "BLF_api.h"
  63
  64 #include "DNA_userdef_types.h"
  65
  66 #include "ED_screen.h"
  67 #include "ED_util.h"
  68 #include "ED_fileselect.h"
  69
  70 #include "WM_api.h"
  71 #include "WM_types.h"
  72
  73 #include "BIF_gl.h"
  74 #include "BIF_glutil.h"
  75
  76 #include "UI_interface.h"
  77 #include "UI_resources.h"
  78 #include "UI_view2d.h"
  79
  80 #include "file_intern.h"
  81 #include "filelist.h"
  82
  83
  84 FileSelectParams* ED_fileselect_get_params(struct SpaceFile *sfile)
  85 {
  86         if (!sfile->params) {
  87                 ED_fileselect_set_params(sfile, "", "/", 0, FILE_SHORTDISPLAY, 0, FILE_SORTALPHA);
  88         }
  89         return sfile->params;
  90 }
  91
  92 short ED_fileselect_set_params(SpaceFile *sfile, const char *title, const char *path,
  93                                                            short flag, short display, short filter, short sort)
  94 {
  95         char name[FILE_MAX], dir[FILE_MAX], file[FILE_MAX];
  96         FileSelectParams *params;
  97
  98         if (!sfile->params) {
  99                 sfile->params= MEM_callocN(sizeof(FileSelectParams), "fileselparams");
 100         }
 101
 102         params = sfile->params;
 103
 104         params->flag = flag;
 105         params->display = display;
 106         params->filter = filter;
 107         params->sort = sort;
 108
 109         BLI_strncpy(params->title, title, sizeof(params->title));
 110
 111         BLI_strncpy(name, path, sizeof(name));
 112         BLI_convertstringcode(name, G.sce);
 113
 114         BLI_split_dirfile(name, dir, file);
 115         BLI_strncpy(params->file, file, sizeof(params->file));
 116         BLI_strncpy(params->dir, dir, sizeof(params->dir));
 117         BLI_make_file_string(G.sce, params->dir, dir, ""); /* XXX needed ? - also solve G.sce */
 118
 119         return 1;
 120 }
 121
 122 void ED_fileselect_reset_params(SpaceFile *sfile)
 123 {
 124         sfile->params->flag = 0;
 125         sfile->params->title[0] = '\0';
 126 }
 127
 128
 129 int ED_fileselect_layout_offset(FileLayout* layout, int x, int y)
 130 {
 131         int offsetx, offsety;
 132         int active_file;
 133
 134         if (layout == NULL)
 135                 return NULL;
 136
 137         offsetx = (x)/(layout->tile_w + 2*layout->tile_border_x);
 138         offsety = (y)/(layout->tile_h + 2*layout->tile_border_y);
 139
 140         if (offsetx > layout->columns-1) offsetx = -1 ;
 141         if (offsety > layout->rows-1) offsety = -1 ;
 142
 143         if (layout->flag & FILE_LAYOUT_HOR)
 144                 active_file = layout->rows*offsetx + offsety;
 145         else
 146                 active_file = offsetx + layout->columns*offsety;
 147         return active_file;
 148 }
 149
 150 void ED_fileselect_layout_tilepos(FileLayout* layout, int tile, short *x, short *y)
 151 {
 152         if (layout->flag == FILE_LAYOUT_HOR) {
 153                 *x = layout->tile_border_x + (tile/layout->rows)*(layout->tile_w+2*layout->tile_border_x);
 154                 *y = layout->tile_border_y + (tile%layout->rows)*(layout->tile_h+2*layout->tile_border_y);
 155         } else {
 156                 *x = layout->tile_border_x + ((tile)%layout->columns)*(layout->tile_w+2*layout->tile_border_x);
 157                 *y = layout->tile_border_y + ((tile)/layout->columns)*(layout->tile_h+2*layout->tile_border_y);
 158         }
 159 }
 160
 161 float file_string_width(const char* str)
 162 {
 163         uiStyle *style= U.uistyles.first;
 164         uiStyleFontSet(&style->widget);
 165         return BLF_width(str);
 166 }
 167
 168 float file_font_pointsize()
 169 {
 170         float s;
 171         char tmp[2] = "X";
 172         uiStyle *style= U.uistyles.first;
 173         uiStyleFontSet(&style->widget);
 174         s = BLF_height(tmp);
 175         return style->widget.points;
 176 }
 177
 178 static void column_widths(struct FileList* files, struct FileLayout* layout)
 179 {
 180         int i;
 181         int numfiles = filelist_numfiles(files);
 182
 183         for (i=0; i<MAX_FILE_COLUMN; ++i) {
 184                 layout->column_widths[i] = 0;
 185         }
 186
 187         for (i=0; (i < numfiles); ++i)
 188         {
 189                 struct direntry* file = filelist_file(files, i);
 190                 if (file) {
 191                         int len;
 192                         len = file_string_width(file->relname);
 193                         if (len > layout->column_widths[COLUMN_NAME]) layout->column_widths[COLUMN_NAME] = len;
 194                         len = file_string_width(file->date);
 195                         if (len > layout->column_widths[COLUMN_DATE]) layout->column_widths[COLUMN_DATE] = len;
 196                         len = file_string_width(file->time);
 197                         if (len > layout->column_widths[COLUMN_TIME]) layout->column_widths[COLUMN_TIME] = len;
 198                         len = file_string_width(file->size);
 199                         if (len > layout->column_widths[COLUMN_SIZE]) layout->column_widths[COLUMN_SIZE] = len;
 200                         len = file_string_width(file->mode1);
 201                         if (len > layout->column_widths[COLUMN_MODE1]) layout->column_widths[COLUMN_MODE1] = len;
 202                         len = file_string_width(file->mode2);
 203                         if (len > layout->column_widths[COLUMN_MODE2]) layout->column_widths[COLUMN_MODE2] = len;
 204                         len = file_string_width(file->mode3);
 205                         if (len > layout->column_widths[COLUMN_MODE3]) layout->column_widths[COLUMN_MODE3] = len;
 206                         len = file_string_width(file->owner);
 207                         if (len > layout->column_widths[COLUMN_OWNER]) layout->column_widths[COLUMN_OWNER] = len;
 208                 }
 209         }
 210 }
 211
 212 void ED_fileselect_init_layout(struct SpaceFile *sfile, struct ARegion *ar)
 213 {
 214         FileSelectParams* params = ED_fileselect_get_params(sfile);
 215         View2D *v2d= &ar->v2d;
 216         int maxlen = 0;
 217         int numfiles = filelist_numfiles(sfile->files);
 218         int textheight = file_font_pointsize();
 219         if (sfile->layout == 0) {
 220                 sfile->layout = MEM_callocN(sizeof(struct FileLayout), "file_layout");
 221         }
 222         if (params->display == FILE_IMGDISPLAY) {
 223                 sfile->layout->prv_w = 96;
 224                 sfile->layout->prv_h = 96;
 225                 sfile->layout->tile_border_x = 6;
 226                 sfile->layout->tile_border_y = 6;
 227                 sfile->layout->prv_border_x = 6;
 228                 sfile->layout->prv_border_y = 6;
 229                 sfile->layout->tile_w = sfile->layout->prv_w + 2*sfile->layout->prv_border_x;
 230                 sfile->layout->tile_h = sfile->layout->prv_h + 2*sfile->layout->prv_border_y + textheight;
 231                 sfile->layout->width= (v2d->cur.xmax - v2d->cur.xmin - 2*sfile->layout->tile_border_x);
 232                 sfile->layout->columns= sfile->layout->width / (sfile->layout->tile_w + 2*sfile->layout->tile_border_x);
 233                 if(sfile->layout->columns > 0)
 234                         sfile->layout->rows= numfiles/sfile->layout->columns + 1; // XXX dirty, modulo is zero
 235                 else {
 236                         sfile->layout->columns = 1;
 237                         sfile->layout->rows= numfiles + 1; // XXX dirty, modulo is zero
 238                 }
 239                 sfile->layout->height= sfile->layout->rows*(sfile->layout->tile_h+2*sfile->layout->tile_border_y) + sfile->layout->tile_border_y*2;
 240                 sfile->layout->flag = FILE_LAYOUT_VER;
 241         } else {
 242                 sfile->layout->prv_w = 0;
 243                 sfile->layout->prv_h = 0;
 244                 sfile->layout->tile_border_x = 8;
 245                 sfile->layout->tile_border_y = 2;
 246                 sfile->layout->prv_border_x = 0;
 247                 sfile->layout->prv_border_y = 0;
 248                 sfile->layout->tile_h = textheight*3/2;
 249                 sfile->layout->height= v2d->cur.ymax - v2d->cur.ymin;
 250                 sfile->layout->rows = sfile->layout->height / (sfile->layout->tile_h + 2*sfile->layout->tile_border_y);;
 251
 252                 column_widths(sfile->files, sfile->layout);
 253
 254                 if (params->display == FILE_SHORTDISPLAY) {
 255                         maxlen = sfile->layout->column_widths[COLUMN_NAME] +
 256                                          sfile->layout->column_widths[COLUMN_SIZE];
 257                         maxlen += 20+2*10; // for icon and space between columns
 258                 } else {
 259                         maxlen = sfile->layout->column_widths[COLUMN_NAME] +
 260                                          sfile->layout->column_widths[COLUMN_DATE] +
 261                                          sfile->layout->column_widths[COLUMN_TIME] +
 262                                          sfile->layout->column_widths[COLUMN_SIZE];
 263                                         /* XXX add mode1, mode2, mode3, owner columns for non-windows platforms */
 264                         maxlen += 20+4*10; // for icon and space between columns
 265                 }
 266                 sfile->layout->tile_w = maxlen + 40;
 267                 if(sfile->layout->rows > 0)
 268                         sfile->layout->columns = numfiles/sfile->layout->rows + 1; // XXX dirty, modulo is zero
 269                 else {
 270                         sfile->layout->rows = 1;
 271                         sfile->layout->columns = numfiles + 1; // XXX dirty, modulo is zero
 272                 }
 273                 sfile->layout->width = sfile->layout->columns * (sfile->layout->tile_w + 2*sfile->layout->tile_border_x) + sfile->layout->tile_border_x*2;
 274                 sfile->layout->flag = FILE_LAYOUT_HOR;
 275         }
 276 }
 277
 278 FileLayout* ED_fileselect_get_layout(struct SpaceFile *sfile, struct ARegion *ar)
 279 {
 280         if (!sfile->layout) {
 281                 ED_fileselect_init_layout(sfile, ar);
 282         }
 283         return sfile->layout;
 284 }