src/listmode.c

   1 /* Directory panel listing format editor -- for the Midnight Commander
   2    Copyright (C) 1994, 1995 The Free Software Foundation
   3
   4    Written by: 1994 Radek Doulik
   5                1995 Janne Kukonlehto
   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
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include <config.h>
  23
  24 #ifdef LISTMODE_EDITOR
  25
  26 #ifdef HAVE_UNISTD_H
  27 #   include <unistd.h>
  28 #endif
  29 #include <string.h>
  30 #include <stdio.h>
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33
  34 #include "global.h"
  35 #include "tty.h"
  36 #include "win.h"
  37 #include "color.h"
  38 #include "dlg.h"
  39 #include "widget.h"
  40 #include "dialog.h"             /* For do_refresh() */
  41 #include "wtools.h"
  42
  43 /* Needed for the extern declarations of integer parameters */
  44 #include "dir.h"
  45 #include "panel.h"              /* Needed for the externs */
  46 #include "file.h"
  47 #include "main.h"
  48 #include "listmode.h"
  49
  50 #define UX              5
  51 #define UY              2
  52
  53 #define BX              5
  54 #define BY              18
  55
  56 #define BUTTONS         4
  57 #define LABELS          4
  58 #define B_ADD           B_USER
  59 #define B_REMOVE        B_USER + 1
  60
  61 static WListbox *l_listmode;
  62
  63 static WLabel *pname;
  64
  65 static char *listmode_section = "[Listing format edit]";
  66
  67 static char *s_genwidth[2] = { "Half width", "Full width" };
  68 static WRadio *radio_genwidth;
  69 static char *s_columns[2] = { "One column", "Two columns" };
  70 static WRadio *radio_columns;
  71 static char *s_justify[3] =
  72     { "Left justified", "Default justification", "Right justified" };
  73 static WRadio *radio_justify;
  74 static char *s_itemwidth[3] =
  75     { "Free width", "Fixed width", "Growable width" };
  76 static WRadio *radio_itemwidth;
  77
  78 struct listmode_button {
  79     int ret_cmd, flags, y, x;
  80     char *text;
  81 };
  82
  83 static struct listmode_button listmode_but[BUTTONS] = {
  84     {B_CANCEL, NORMAL_BUTTON, 0, 53, "&Cancel"},
  85     {B_ADD, NORMAL_BUTTON, 0, 22, "&Add item"},
  86     {B_REMOVE, NORMAL_BUTTON, 0, 10, "&Remove"},
  87     {B_ENTER, DEFPUSH_BUTTON, 0, 0, "&OK"},
  88 };
  89
  90 #define B_PLUS B_USER
  91 #define B_MINUS B_USER+1
  92
  93 struct listmode_label {
  94     int y, x;
  95     char *text;
  96 };
  97
  98 static struct listmode_label listmode_labels[LABELS] = {
  99     {UY, UX + 1, " General options "},
 100     {UY + 4, UX + 1, " Items "},
 101     {UY + 4, UX + 21, " Item options"},
 102     {UY + 13, UX + 22, "Item width:"}
 103 };
 104
 105 static void
 106 listmode_refresh (Dlg_head * h)
 107 {
 108     common_dialog_repaint (h);
 109
 110     attrset (COLOR_NORMAL);
 111     draw_box (h, UY, UX, 4, 63);
 112     draw_box (h, UY + 4, UX, 11, 18);
 113     draw_box (h, UY + 4, UX + 20, 11, 43);
 114 }
 115
 116 static int
 117 bplus_cback (int action, void *data)
 118 {
 119     return 0;
 120 }
 121
 122 static int
 123 bminus_cback (int action, void *data)
 124 {
 125     return 0;
 126 }
 127
 128 static int
 129 listmode_callback (Dlg_head * h, int Par, int Msg)
 130 {
 131     switch (Msg) {
 132
 133     case DLG_DRAW:
 134         listmode_refresh (h);
 135         break;
 136
 137     case DLG_POST_KEY:
 138         /* fall */
 139
 140     case DLG_INIT:
 141         attrset (COLOR_NORMAL);
 142         dlg_move (h, UY + 13, UX + 35);
 143         printw ("%02d", 99);
 144         attrset (MENU_ENTRY_COLOR);
 145         break;
 146     }
 147     return 0;
 148 }
 149
 150 static int
 151 l_call (void *data)
 152 {
 153     return 1;
 154 }
 155
 156 static Dlg_head *
 157 init_listmode (char *oldlistformat)
 158 {
 159     int i;
 160     char *s;
 161     int format_width = 0;
 162     int format_columns = 0;
 163     Dlg_head *listmode_dlg;
 164
 165     do_refresh ();
 166
 167     listmode_dlg =
 168         create_dlg (0, 0, 22, 74, dialog_colors, listmode_callback,
 169                     listmode_section, "Listing format edit", DLG_CENTER);
 170
 171 #define XTRACT(i) BY+listmode_but[i].y, BX+listmode_but[i].x, listmode_but[i].ret_cmd, listmode_but[i].flags, listmode_but[i].text, 0, 0, NULL
 172
 173     for (i = 0; i < BUTTONS; i++)
 174         add_widget (listmode_dlg, button_new (XTRACT (i)));
 175
 176     /* We add the labels. */
 177     for (i = 0; i < LABELS; i++) {
 178         pname =
 179             label_new (listmode_labels[i].y, listmode_labels[i].x,
 180                        listmode_labels[i].text, NULL);
 181         add_widget (listmode_dlg, pname);
 182     }
 183
 184     add_widget (listmode_dlg,
 185                 button_new (UY + 13, UX + 37, B_MINUS, NORMAL_BUTTON, "&-",
 186                             bminus_cback, 0, NULL));
 187     add_widget (listmode_dlg,
 188                 button_new (UY + 13, UX + 34, B_PLUS, NORMAL_BUTTON, "&+",
 189                             bplus_cback, 0, NULL));
 190     radio_itemwidth = radio_new (UY + 9, UX + 22, 3, s_itemwidth, 1, NULL);
 191     add_widget (listmode_dlg, radio_itemwidth);
 192     radio_itemwidth = 0;
 193     radio_justify = radio_new (UY + 5, UX + 22, 3, s_justify, 1, NULL);
 194     add_widget (listmode_dlg, radio_justify);
 195     radio_justify->sel = 1;
 196
 197     /* get new listbox */
 198     l_listmode = listbox_new (UY + 5, UX + 1, 16, 9, 0, l_call, NULL);
 199
 200     if (strncmp (oldlistformat, "full ", 5) == 0) {
 201         format_width = 1;
 202         oldlistformat += 5;
 203     }
 204     if (strncmp (oldlistformat, "half ", 5) == 0) {
 205         oldlistformat += 5;
 206     }
 207     if (strncmp (oldlistformat, "2 ", 2) == 0) {
 208         format_columns = 1;
 209         oldlistformat += 2;
 210     }
 211     if (strncmp (oldlistformat, "1 ", 2) == 0) {
 212         oldlistformat += 2;
 213     }
 214     s = strtok (oldlistformat, ",");
 215
 216     while (s) {
 217         listbox_add_item (l_listmode, 0, 0, s, NULL);
 218         s = strtok (NULL, ",");
 219     }
 220
 221     /* add listbox to the dialogs */
 222     add_widget (listmode_dlg, l_listmode);
 223
 224     radio_columns = radio_new (UY + 1, UX + 32, 2, s_columns, 1, NULL);
 225     add_widget (listmode_dlg, radio_columns);
 226     radio_columns->sel = format_columns;
 227     radio_genwidth = radio_new (UY + 1, UX + 2, 2, s_genwidth, 1, NULL);
 228     add_widget (listmode_dlg, radio_genwidth);
 229     radio_genwidth->sel = format_width;
 230
 231     return listmode_dlg;
 232 }
 233
 234 static void
 235 listmode_done (Dlg_head * h)
 236 {
 237     destroy_dlg (h);
 238     if (0)
 239         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 240     repaint_screen ();
 241 }
 242
 243 static char *
 244 select_new_item (void)
 245 {
 246     /* NOTE: The following array of possible items must match the
 247        formats array in screen.c. Better approach might be to make the
 248        formats array global */
 249     char *possible_items[] =
 250         { "name", "size", "type", "mtime", "perm", "mode", "|", "nlink",
 251         "owner", "group", "atime", "ctime", "space", "mark",
 252         "inode", NULL
 253     };
 254
 255     int i;
 256     Listbox *mylistbox;
 257
 258     mylistbox =
 259         create_listbox_window (12, 20, " Add listing format item ",
 260                                listmode_section);
 261     for (i = 0; possible_items[i]; i++) {
 262         listbox_add_item (mylistbox->list, 0, 0, possible_items[i], NULL);
 263     }
 264
 265     i = run_listbox (mylistbox);
 266     if (i >= 0)
 267         return possible_items[i];
 268     else
 269         return NULL;
 270 }
 271
 272 static char *
 273 collect_new_format (void)
 274 {
 275     char *newformat;
 276     int i;
 277     char *last;
 278     char *text, *extra;
 279
 280     newformat = g_malloc (1024);
 281     if (radio_genwidth->sel)
 282         strcpy (newformat, "full ");
 283     else
 284         strcpy (newformat, "half ");
 285     if (radio_columns->sel)
 286         strcat (newformat, "2 ");
 287     last = NULL;
 288     for (i = 0;; i++) {
 289         listbox_select_by_number (l_listmode, i);
 290         listbox_get_current (l_listmode, &text, &extra);
 291         if (text == last)
 292             break;
 293         if (last != NULL)
 294             strcat (newformat, ",");
 295         strcat (newformat, text);
 296         last = text;
 297     }
 298     return newformat;
 299 }
 300
 301 char *
 302 listmode_edit (char *oldlistformat)
 303 {
 304     char *newformat = NULL;
 305     char *s;
 306     Dlg_head *listmode_dlg;
 307
 308     s = g_strdup (oldlistformat);
 309     listmode_dlg = init_listmode (s);
 310     g_free (s);
 311
 312     while (newformat == NULL) {
 313         /* display file info */
 314         attrset (SELECTED_COLOR);
 315
 316         /*
 317          * FIXME: Calling run_dlg() more than once doesn't work.
 318          * This code is broken.
 319          */
 320         run_dlg (listmode_dlg);
 321
 322         switch (listmode_dlg->ret_value) {
 323         case B_CANCEL:
 324             newformat = g_strdup (oldlistformat);
 325             break;
 326
 327         case B_ADD:
 328             s = select_new_item ();
 329             if (s)
 330                 listbox_add_item (l_listmode, 0, 0, s, NULL);
 331             break;
 332
 333         case B_REMOVE:
 334             listbox_remove_current (l_listmode, 0);
 335             break;
 336
 337         case B_ENTER:
 338             newformat = collect_new_format ();
 339             break;
 340         }
 341     }
 342
 343     listmode_done (listmode_dlg);
 344     return newformat;
 345 }
 346
 347 #endif                          /* LISTMODE_EDITOR */