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 #include <config.h>
  24
  25 #ifdef LISTMODE_EDITOR
  26
  27 #include <stdio.h>
  28 #include <string.h>
  29
  30 #include <sys/types.h>
  31 #include <sys/stat.h>
  32 #include <unistd.h>
  33
  34 #include "global.h"
  35 #include "tty.h"
  36 #include "win.h"
  37 #include "color.h"
  38 #include "dialog.h"
  39 #include "widget.h"
  40 #include "wtools.h"
  41
  42 /* Needed for the extern declarations of integer parameters */
  43 #include "dir.h"
  44 #include "panel.h"              /* Needed for the externs */
  45 #include "file.h"
  46 #include "main.h"
  47 #include "listmode.h"
  48
  49 #define UX              5
  50 #define UY              2
  51
  52 #define BX              5
  53 #define BY              18
  54
  55 #define B_ADD           B_USER
  56 #define B_REMOVE        (B_USER + 1)
  57
  58 static WListbox *l_listmode;
  59
  60 static WLabel *pname;
  61
  62 static char *listmode_section = "[Listing format edit]";
  63
  64 static char *s_genwidth[2] = { "Half width", "Full width" };
  65 static WRadio *radio_genwidth;
  66 static char *s_columns[2] = { "One column", "Two columns" };
  67 static WRadio *radio_columns;
  68 static char *s_justify[3] =
  69     { "Left justified", "Default justification", "Right justified" };
  70 static WRadio *radio_justify;
  71 static char *s_itemwidth[3] =
  72     { "Free width", "Fixed width", "Growable width" };
  73 static WRadio *radio_itemwidth;
  74
  75 struct listmode_button {
  76     int ret_cmd, flags, y, x;
  77     char *text;
  78     bcback callback;
  79 };
  80
  81 #define B_PLUS B_USER
  82 #define B_MINUS (B_USER+1)
  83
  84 struct listmode_label {
  85     int y, x;
  86     char *text;
  87 };
  88
  89 static char *
  90 select_new_item (void)
  91 {
  92     /* NOTE: The following array of possible items must match the
  93        formats array in screen.c. Better approach might be to make the
  94        formats array global */
  95     char *possible_items[] =
  96         { "name", "size", "type", "mtime", "perm", "mode", "|", "nlink",
  97         "owner", "group", "atime", "ctime", "space", "mark",
  98         "inode", NULL
  99     };
 100
 101     int i;
 102     Listbox *mylistbox;
 103
 104     mylistbox =
 105         create_listbox_window (12, 20, " Add listing format item ",
 106                                listmode_section);
 107     for (i = 0; possible_items[i]; i++) {
 108         listbox_add_item (mylistbox->list, 0, 0, possible_items[i], NULL);
 109     }
 110
 111     i = run_listbox (mylistbox);
 112     if (i >= 0)
 113         return possible_items[i];
 114     else
 115         return NULL;
 116 }
 117
 118 static int
 119 bplus_cback (int action)
 120 {
 121     return 0;
 122 }
 123
 124 static int
 125 bminus_cback (int action)
 126 {
 127     return 0;
 128 }
 129
 130 static int
 131 badd_cback (int action)
 132 {
 133     char *s = select_new_item ();
 134     if (s) {
 135         listbox_add_item (l_listmode, 0, 0, s, NULL);
 136     }
 137     return 0;
 138 }
 139
 140 static int
 141 bremove_cback (int action)
 142 {
 143     listbox_remove_current (l_listmode, 0);
 144     return 0;
 145 }
 146
 147 static Dlg_head *
 148 init_listmode (char *oldlistformat)
 149 {
 150     int i;
 151     char *s;
 152     int format_width = 0;
 153     int format_columns = 0;
 154     Dlg_head *listmode_dlg;
 155
 156     static struct listmode_label listmode_labels[] = {
 157         {UY + 13, UX + 22, "Item width:"}
 158     };
 159
 160     static struct listmode_button listmode_but[] = {
 161         {B_CANCEL, NORMAL_BUTTON, BY, BX + 53, "&Cancel", NULL},
 162         {B_ADD, NORMAL_BUTTON, BY, BX + 22, "&Add item", badd_cback},
 163         {B_REMOVE, NORMAL_BUTTON, BY, BX + 10, "&Remove", bremove_cback},
 164         {B_ENTER, DEFPUSH_BUTTON, BY, BX, "&OK", NULL},
 165         {B_PLUS, NARROW_BUTTON, UY + 13, UX + 37, "&+", bplus_cback},
 166         {B_MINUS, NARROW_BUTTON, UY + 13, UX + 34, "&-", bminus_cback},
 167     };
 168
 169     do_refresh ();
 170
 171     listmode_dlg =
 172         create_dlg (0, 0, 22, 74, dialog_colors, NULL, listmode_section,
 173                     "Listing format edit", DLG_CENTER | DLG_REVERSE);
 174
 175     add_widget (listmode_dlg,
 176                 groupbox_new (UX, UY, 63, 4, "General options"));
 177     add_widget (listmode_dlg, groupbox_new (UX, UY + 4, 18, 11, "Items"));
 178     add_widget (listmode_dlg,
 179                 groupbox_new (UX + 20, UY + 4, 43, 11, "Item options"));
 180
 181     for (i = 0;
 182          i < sizeof (listmode_but) / sizeof (struct listmode_button); i++)
 183         add_widget (listmode_dlg,
 184                     button_new (listmode_but[i].y, listmode_but[i].x,
 185                                 listmode_but[i].ret_cmd,
 186                                 listmode_but[i].flags,
 187                                 listmode_but[i].text,
 188                                 listmode_but[i].callback));
 189
 190     /* We add the labels. */
 191     for (i = 0;
 192          i < sizeof (listmode_labels) / sizeof (struct listmode_label);
 193          i++) {
 194         pname =
 195             label_new (listmode_labels[i].y, listmode_labels[i].x,
 196                        listmode_labels[i].text);
 197         add_widget (listmode_dlg, pname);
 198     }
 199
 200     radio_itemwidth = radio_new (UY + 9, UX + 22, 3, s_itemwidth);
 201     add_widget (listmode_dlg, radio_itemwidth);
 202     radio_itemwidth = 0;
 203     radio_justify = radio_new (UY + 5, UX + 22, 3, s_justify);
 204     add_widget (listmode_dlg, radio_justify);
 205     radio_justify->sel = 1;
 206
 207     /* get new listbox */
 208     l_listmode = listbox_new (UY + 5, UX + 1, 16, 9, NULL);
 209
 210     if (strncmp (oldlistformat, "full ", 5) == 0) {
 211         format_width = 1;
 212         oldlistformat += 5;
 213     }
 214     if (strncmp (oldlistformat, "half ", 5) == 0) {
 215         oldlistformat += 5;
 216     }
 217     if (strncmp (oldlistformat, "2 ", 2) == 0) {
 218         format_columns = 1;
 219         oldlistformat += 2;
 220     }
 221     if (strncmp (oldlistformat, "1 ", 2) == 0) {
 222         oldlistformat += 2;
 223     }
 224     s = strtok (oldlistformat, ",");
 225
 226     while (s) {
 227         listbox_add_item (l_listmode, 0, 0, s, NULL);
 228         s = strtok (NULL, ",");
 229     }
 230
 231     /* add listbox to the dialogs */
 232     add_widget (listmode_dlg, l_listmode);
 233
 234     radio_columns = radio_new (UY + 1, UX + 32, 2, s_columns);
 235     add_widget (listmode_dlg, radio_columns);
 236     radio_columns->sel = format_columns;
 237     radio_genwidth = radio_new (UY + 1, UX + 2, 2, s_genwidth);
 238     add_widget (listmode_dlg, radio_genwidth);
 239     radio_genwidth->sel = format_width;
 240
 241     return listmode_dlg;
 242 }
 243
 244 static void
 245 listmode_done (Dlg_head *h)
 246 {
 247     destroy_dlg (h);
 248     if (0)
 249         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 250     repaint_screen ();
 251 }
 252
 253 static char *
 254 collect_new_format (void)
 255 {
 256     char *newformat;
 257     int i;
 258     char *last;
 259     char *text, *extra;
 260
 261     newformat = g_malloc (1024);
 262     if (radio_genwidth->sel)
 263         strcpy (newformat, "full ");
 264     else
 265         strcpy (newformat, "half ");
 266     if (radio_columns->sel)
 267         strcat (newformat, "2 ");
 268     last = NULL;
 269     for (i = 0;; i++) {
 270         listbox_select_by_number (l_listmode, i);
 271         listbox_get_current (l_listmode, &text, &extra);
 272         if (text == last)
 273             break;
 274         if (last != NULL)
 275             strcat (newformat, ",");
 276         strcat (newformat, text);
 277         last = text;
 278     }
 279     return newformat;
 280 }
 281
 282 /* Return new format or NULL if the user cancelled the dialog */
 283 char *
 284 listmode_edit (char *oldlistformat)
 285 {
 286     char *newformat = NULL;
 287     char *s;
 288     Dlg_head *listmode_dlg;
 289
 290     s = g_strdup (oldlistformat);
 291     listmode_dlg = init_listmode (s);
 292     g_free (s);
 293
 294     if (run_dlg (listmode_dlg) == B_ENTER) {
 295         newformat = collect_new_format ();
 296     }
 297
 298     listmode_done (listmode_dlg);
 299     return newformat;
 300 }
 301
 302 #endif                          /* LISTMODE_EDITOR */