src/listmode.c

   1 /* Directory panel listing format editor -- for the Midnight Commander
   2    Copyright (C) 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2005,
   3    2006, 2007 Free Software Foundation, Inc.
   4
   5    Written by: 1994 Radek Doulik
   6                1995 Janne Kukonlehto
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  21  */
  22
  23 /** \file listmode.c
  24  *  \brief Source: directory panel listing format editor
  25  */
  26
  27 #include <config.h>
  28
  29 #ifdef LISTMODE_EDITOR
  30
  31 #include <stdio.h>
  32 #include <string.h>
  33
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  36 #include <unistd.h>
  37
  38 #include "global.h"
  39 #include "tty.h"
  40 #include "key.h"
  41 #include "color.h"
  42 #include "dialog.h"
  43 #include "widget.h"
  44 #include "wtools.h"
  45
  46 /* Needed for the extern declarations of integer parameters */
  47 #include "dir.h"
  48 #include "panel.h"              /* Needed for the externs */
  49 #include "file.h"
  50 #include "layout.h"             /* repaint_screen() */
  51 #include "main.h"
  52 #include "listmode.h"
  53
  54 #define UX              5
  55 #define UY              2
  56
  57 #define BX              5
  58 #define BY              18
  59
  60 #define B_ADD           B_USER
  61 #define B_REMOVE        (B_USER + 1)
  62
  63 static WListbox *l_listmode;
  64
  65 static WLabel *pname;
  66
  67 static char *listmode_section = "[Listing format edit]";
  68
  69 static char *s_genwidth[2] = { "Half width", "Full width" };
  70 static WRadio *radio_genwidth;
  71 static char *s_columns[2] = { "One column", "Two columns" };
  72 static WRadio *radio_columns;
  73 static char *s_justify[3] =
  74     { "Left justified", "Default justification", "Right justified" };
  75 static WRadio *radio_justify;
  76 static char *s_itemwidth[3] =
  77     { "Free width", "Fixed width", "Growable width" };
  78 static WRadio *radio_itemwidth;
  79
  80 struct listmode_button {
  81     int ret_cmd, flags, y, x;
  82     char *text;
  83     bcback callback;
  84 };
  85
  86 #define B_PLUS B_USER
  87 #define B_MINUS (B_USER+1)
  88
  89 struct listmode_label {
  90     int y, x;
  91     char *text;
  92 };
  93
  94 static char *
  95 select_new_item (void)
  96 {
  97     /* NOTE: The following array of possible items must match the
  98        formats array in screen.c. Better approach might be to make the
  99        formats array global */
 100     char *possible_items[] =
 101         { "name", "size", "type", "mtime", "perm", "mode", "|", "nlink",
 102         "owner", "group", "atime", "ctime", "space", "mark",
 103         "inode", NULL
 104     };
 105
 106     int i;
 107     Listbox *mylistbox;
 108
 109     mylistbox =
 110         create_listbox_window (12, 20, " Add listing format item ",
 111                                listmode_section);
 112     for (i = 0; possible_items[i]; i++) {
 113         listbox_add_item (mylistbox->list, 0, 0, possible_items[i], NULL);
 114     }
 115
 116     i = run_listbox (mylistbox);
 117     if (i >= 0)
 118         return possible_items[i];
 119     else
 120         return NULL;
 121 }
 122
 123 static int
 124 bplus_cback (int action)
 125 {
 126     return 0;
 127 }
 128
 129 static int
 130 bminus_cback (int action)
 131 {
 132     return 0;
 133 }
 134
 135 static int
 136 badd_cback (int action)
 137 {
 138     char *s = select_new_item ();
 139     if (s) {
 140         listbox_add_item (l_listmode, 0, 0, s, NULL);
 141     }
 142     return 0;
 143 }
 144
 145 static int
 146 bremove_cback (int action)
 147 {
 148     listbox_remove_current (l_listmode, 0);
 149     return 0;
 150 }
 151
 152 static Dlg_head *
 153 init_listmode (char *oldlistformat)
 154 {
 155     int i;
 156     char *s;
 157     int format_width = 0;
 158     int format_columns = 0;
 159     Dlg_head *listmode_dlg;
 160
 161     static struct listmode_label listmode_labels[] = {
 162         {UY + 13, UX + 22, "Item width:"}
 163     };
 164
 165     static struct listmode_button listmode_but[] = {
 166         {B_CANCEL, NORMAL_BUTTON, BY, BX + 53, "&Cancel", NULL},
 167         {B_ADD, NORMAL_BUTTON, BY, BX + 22, "&Add item", badd_cback},
 168         {B_REMOVE, NORMAL_BUTTON, BY, BX + 10, "&Remove", bremove_cback},
 169         {B_ENTER, DEFPUSH_BUTTON, BY, BX, "&OK", NULL},
 170         {B_PLUS, NARROW_BUTTON, UY + 13, UX + 37, "&+", bplus_cback},
 171         {B_MINUS, NARROW_BUTTON, UY + 13, UX + 34, "&-", bminus_cback},
 172     };
 173
 174     do_refresh ();
 175
 176     listmode_dlg =
 177         create_dlg (0, 0, 22, 74, dialog_colors, NULL, listmode_section,
 178                     "Listing format edit", DLG_CENTER | DLG_REVERSE);
 179
 180     add_widget (listmode_dlg,
 181                 groupbox_new (UY, UX, 4, 63, "General options"));
 182     add_widget (listmode_dlg, groupbox_new (UY + 4, UX, 11, 18, "Items"));
 183     add_widget (listmode_dlg,
 184                 groupbox_new (UY + 4, UX + 20, 11, 43, "Item options"));
 185
 186     for (i = 0;
 187          i < sizeof (listmode_but) / sizeof (struct listmode_button); i++)
 188         add_widget (listmode_dlg,
 189                     button_new (listmode_but[i].y, listmode_but[i].x,
 190                                 listmode_but[i].ret_cmd,
 191                                 listmode_but[i].flags,
 192                                 listmode_but[i].text,
 193                                 listmode_but[i].callback));
 194
 195     /* We add the labels. */
 196     for (i = 0;
 197          i < sizeof (listmode_labels) / sizeof (struct listmode_label);
 198          i++) {
 199         pname =
 200             label_new (listmode_labels[i].y, listmode_labels[i].x,
 201                        listmode_labels[i].text);
 202         add_widget (listmode_dlg, pname);
 203     }
 204
 205     radio_itemwidth = radio_new (UY + 9, UX + 22, 3, s_itemwidth);
 206     add_widget (listmode_dlg, radio_itemwidth);
 207     radio_itemwidth = 0;
 208     radio_justify = radio_new (UY + 5, UX + 22, 3, s_justify);
 209     add_widget (listmode_dlg, radio_justify);
 210     radio_justify->sel = 1;
 211
 212     /* get new listbox */
 213     l_listmode = listbox_new (UY + 5, UX + 1, 9, 16, NULL);
 214
 215     if (strncmp (oldlistformat, "full ", 5) == 0) {
 216         format_width = 1;
 217         oldlistformat += 5;
 218     }
 219     if (strncmp (oldlistformat, "half ", 5) == 0) {
 220         oldlistformat += 5;
 221     }
 222     if (strncmp (oldlistformat, "2 ", 2) == 0) {
 223         format_columns = 1;
 224         oldlistformat += 2;
 225     }
 226     if (strncmp (oldlistformat, "1 ", 2) == 0) {
 227         oldlistformat += 2;
 228     }
 229     s = strtok (oldlistformat, ",");
 230
 231     while (s) {
 232         listbox_add_item (l_listmode, 0, 0, s, NULL);
 233         s = strtok (NULL, ",");
 234     }
 235
 236     /* add listbox to the dialogs */
 237     add_widget (listmode_dlg, l_listmode);
 238
 239     radio_columns = radio_new (UY + 1, UX + 32, 2, s_columns);
 240     add_widget (listmode_dlg, radio_columns);
 241     radio_columns->sel = format_columns;
 242     radio_genwidth = radio_new (UY + 1, UX + 2, 2, s_genwidth);
 243     add_widget (listmode_dlg, radio_genwidth);
 244     radio_genwidth->sel = format_width;
 245
 246     return listmode_dlg;
 247 }
 248
 249 static void
 250 listmode_done (Dlg_head *h)
 251 {
 252     destroy_dlg (h);
 253     if (0)
 254         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 255     repaint_screen ();
 256 }
 257
 258 static char *
 259 collect_new_format (void)
 260 {
 261     char *newformat;
 262     int i;
 263     char *last;
 264     char *text, *extra;
 265
 266     newformat = g_malloc (1024);
 267     if (radio_genwidth->sel)
 268         strcpy (newformat, "full ");
 269     else
 270         strcpy (newformat, "half ");
 271     if (radio_columns->sel)
 272         strcat (newformat, "2 ");
 273     last = NULL;
 274     for (i = 0;; i++) {
 275         listbox_select_by_number (l_listmode, i);
 276         listbox_get_current (l_listmode, &text, &extra);
 277         if (text == last)
 278             break;
 279         if (last != NULL)
 280             strcat (newformat, ",");
 281         strcat (newformat, text);
 282         last = text;
 283     }
 284     return newformat;
 285 }
 286
 287 /* Return new format or NULL if the user cancelled the dialog */
 288 char *
 289 listmode_edit (char *oldlistformat)
 290 {
 291     char *newformat = NULL;
 292     char *s;
 293     Dlg_head *listmode_dlg;
 294
 295     s = g_strdup (oldlistformat);
 296     listmode_dlg = init_listmode (s);
 297     g_free (s);
 298
 299     if (run_dlg (listmode_dlg) == B_ENTER) {
 300         newformat = collect_new_format ();
 301     }
 302
 303     listmode_done (listmode_dlg);
 304     return newformat;
 305 }
 306 #else
 307 void listmode__unused(void)
 308 {
 309 /*
 310     CFLAGS="-ansi -pedantic -Wall -Wextra -Werror"
 311 */
 312 }
 313
 314 #endif                          /* LISTMODE_EDITOR */