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 "win.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 "main.h"
  51 #include "listmode.h"
  52
  53 #define UX              5
  54 #define UY              2
  55
  56 #define BX              5
  57 #define BY              18
  58
  59 #define B_ADD           B_USER
  60 #define B_REMOVE        (B_USER + 1)
  61
  62 static WListbox *l_listmode;
  63
  64 static WLabel *pname;
  65
  66 static char *listmode_section = "[Listing format edit]";
  67
  68 static char *s_genwidth[2] = { "Half width", "Full width" };
  69 static WRadio *radio_genwidth;
  70 static char *s_columns[2] = { "One column", "Two columns" };
  71 static WRadio *radio_columns;
  72 static char *s_justify[3] =
  73     { "Left justified", "Default justification", "Right justified" };
  74 static WRadio *radio_justify;
  75 static char *s_itemwidth[3] =
  76     { "Free width", "Fixed width", "Growable width" };
  77 static WRadio *radio_itemwidth;
  78
  79 struct listmode_button {
  80     int ret_cmd, flags, y, x;
  81     char *text;
  82     bcback callback;
  83 };
  84
  85 #define B_PLUS B_USER
  86 #define B_MINUS (B_USER+1)
  87
  88 struct listmode_label {
  89     int y, x;
  90     char *text;
  91 };
  92
  93 static char *
  94 select_new_item (void)
  95 {
  96     /* NOTE: The following array of possible items must match the
  97        formats array in screen.c. Better approach might be to make the
  98        formats array global */
  99     char *possible_items[] =
 100         { "name", "size", "type", "mtime", "perm", "mode", "|", "nlink",
 101         "owner", "group", "atime", "ctime", "space", "mark",
 102         "inode", NULL
 103     };
 104
 105     int i;
 106     Listbox *mylistbox;
 107
 108     mylistbox =
 109         create_listbox_window (12, 20, " Add listing format item ",
 110                                listmode_section);
 111     for (i = 0; possible_items[i]; i++) {
 112         listbox_add_item (mylistbox->list, 0, 0, possible_items[i], NULL);
 113     }
 114
 115     i = run_listbox (mylistbox);
 116     if (i >= 0)
 117         return possible_items[i];
 118     else
 119         return NULL;
 120 }
 121
 122 static int
 123 bplus_cback (int action)
 124 {
 125     return 0;
 126 }
 127
 128 static int
 129 bminus_cback (int action)
 130 {
 131     return 0;
 132 }
 133
 134 static int
 135 badd_cback (int action)
 136 {
 137     char *s = select_new_item ();
 138     if (s) {
 139         listbox_add_item (l_listmode, 0, 0, s, NULL);
 140     }
 141     return 0;
 142 }
 143
 144 static int
 145 bremove_cback (int action)
 146 {
 147     listbox_remove_current (l_listmode, 0);
 148     return 0;
 149 }
 150
 151 static Dlg_head *
 152 init_listmode (char *oldlistformat)
 153 {
 154     int i;
 155     char *s;
 156     int format_width = 0;
 157     int format_columns = 0;
 158     Dlg_head *listmode_dlg;
 159
 160     static struct listmode_label listmode_labels[] = {
 161         {UY + 13, UX + 22, "Item width:"}
 162     };
 163
 164     static struct listmode_button listmode_but[] = {
 165         {B_CANCEL, NORMAL_BUTTON, BY, BX + 53, "&Cancel", NULL},
 166         {B_ADD, NORMAL_BUTTON, BY, BX + 22, "&Add item", badd_cback},
 167         {B_REMOVE, NORMAL_BUTTON, BY, BX + 10, "&Remove", bremove_cback},
 168         {B_ENTER, DEFPUSH_BUTTON, BY, BX, "&OK", NULL},
 169         {B_PLUS, NARROW_BUTTON, UY + 13, UX + 37, "&+", bplus_cback},
 170         {B_MINUS, NARROW_BUTTON, UY + 13, UX + 34, "&-", bminus_cback},
 171     };
 172
 173     do_refresh ();
 174
 175     listmode_dlg =
 176         create_dlg (0, 0, 22, 74, dialog_colors, NULL, listmode_section,
 177                     "Listing format edit", DLG_CENTER | DLG_REVERSE);
 178
 179     add_widget (listmode_dlg,
 180                 groupbox_new (UX, UY, 63, 4, "General options"));
 181     add_widget (listmode_dlg, groupbox_new (UX, UY + 4, 18, 11, "Items"));
 182     add_widget (listmode_dlg,
 183                 groupbox_new (UX + 20, UY + 4, 43, 11, "Item options"));
 184
 185     for (i = 0;
 186          i < sizeof (listmode_but) / sizeof (struct listmode_button); i++)
 187         add_widget (listmode_dlg,
 188                     button_new (listmode_but[i].y, listmode_but[i].x,
 189                                 listmode_but[i].ret_cmd,
 190                                 listmode_but[i].flags,
 191                                 listmode_but[i].text,
 192                                 listmode_but[i].callback));
 193
 194     /* We add the labels. */
 195     for (i = 0;
 196          i < sizeof (listmode_labels) / sizeof (struct listmode_label);
 197          i++) {
 198         pname =
 199             label_new (listmode_labels[i].y, listmode_labels[i].x,
 200                        listmode_labels[i].text);
 201         add_widget (listmode_dlg, pname);
 202     }
 203
 204     radio_itemwidth = radio_new (UY + 9, UX + 22, 3, s_itemwidth);
 205     add_widget (listmode_dlg, radio_itemwidth);
 206     radio_itemwidth = 0;
 207     radio_justify = radio_new (UY + 5, UX + 22, 3, s_justify);
 208     add_widget (listmode_dlg, radio_justify);
 209     radio_justify->sel = 1;
 210
 211     /* get new listbox */
 212     l_listmode = listbox_new (UY + 5, UX + 1, 16, 9, NULL);
 213
 214     if (strncmp (oldlistformat, "full ", 5) == 0) {
 215         format_width = 1;
 216         oldlistformat += 5;
 217     }
 218     if (strncmp (oldlistformat, "half ", 5) == 0) {
 219         oldlistformat += 5;
 220     }
 221     if (strncmp (oldlistformat, "2 ", 2) == 0) {
 222         format_columns = 1;
 223         oldlistformat += 2;
 224     }
 225     if (strncmp (oldlistformat, "1 ", 2) == 0) {
 226         oldlistformat += 2;
 227     }
 228     s = strtok (oldlistformat, ",");
 229
 230     while (s) {
 231         listbox_add_item (l_listmode, 0, 0, s, NULL);
 232         s = strtok (NULL, ",");
 233     }
 234
 235     /* add listbox to the dialogs */
 236     add_widget (listmode_dlg, l_listmode);
 237
 238     radio_columns = radio_new (UY + 1, UX + 32, 2, s_columns);
 239     add_widget (listmode_dlg, radio_columns);
 240     radio_columns->sel = format_columns;
 241     radio_genwidth = radio_new (UY + 1, UX + 2, 2, s_genwidth);
 242     add_widget (listmode_dlg, radio_genwidth);
 243     radio_genwidth->sel = format_width;
 244
 245     return listmode_dlg;
 246 }
 247
 248 static void
 249 listmode_done (Dlg_head *h)
 250 {
 251     destroy_dlg (h);
 252     if (0)
 253         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 254     repaint_screen ();
 255 }
 256
 257 static char *
 258 collect_new_format (void)
 259 {
 260     char *newformat;
 261     int i;
 262     char *last;
 263     char *text, *extra;
 264
 265     newformat = g_malloc (1024);
 266     if (radio_genwidth->sel)
 267         strcpy (newformat, "full ");
 268     else
 269         strcpy (newformat, "half ");
 270     if (radio_columns->sel)
 271         strcat (newformat, "2 ");
 272     last = NULL;
 273     for (i = 0;; i++) {
 274         listbox_select_by_number (l_listmode, i);
 275         listbox_get_current (l_listmode, &text, &extra);
 276         if (text == last)
 277             break;
 278         if (last != NULL)
 279             strcat (newformat, ",");
 280         strcat (newformat, text);
 281         last = text;
 282     }
 283     return newformat;
 284 }
 285
 286 /* Return new format or NULL if the user cancelled the dialog */
 287 char *
 288 listmode_edit (char *oldlistformat)
 289 {
 290     char *newformat = NULL;
 291     char *s;
 292     Dlg_head *listmode_dlg;
 293
 294     s = g_strdup (oldlistformat);
 295     listmode_dlg = init_listmode (s);
 296     g_free (s);
 297
 298     if (run_dlg (listmode_dlg) == B_ENTER) {
 299         newformat = collect_new_format ();
 300     }
 301
 302     listmode_done (listmode_dlg);
 303     return newformat;
 304 }
 305
 306 #endif                          /* LISTMODE_EDITOR */