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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  */
  21
  22 #include <config.h>
  23
  24 #ifdef LISTMODE_EDITOR
  25
  26 #include <stdio.h>
  27 #include <string.h>
  28
  29 #include <sys/types.h>
  30 #include <sys/stat.h>
  31 #include <unistd.h>
  32
  33 #include "global.h"
  34 #include "tty.h"
  35 #include "win.h"
  36 #include "color.h"
  37 #include "dialog.h"
  38 #include "widget.h"
  39 #include "wtools.h"
  40
  41 /* Needed for the extern declarations of integer parameters */
  42 #include "dir.h"
  43 #include "panel.h"              /* Needed for the externs */
  44 #include "file.h"
  45 #include "main.h"
  46 #include "listmode.h"
  47
  48 #define UX              5
  49 #define UY              2
  50
  51 #define BX              5
  52 #define BY              18
  53
  54 #define B_ADD           B_USER
  55 #define B_REMOVE        (B_USER + 1)
  56
  57 static WListbox *l_listmode;
  58
  59 static WLabel *pname;
  60
  61 static char *listmode_section = "[Listing format edit]";
  62
  63 static char *s_genwidth[2] = { "Half width", "Full width" };
  64 static WRadio *radio_genwidth;
  65 static char *s_columns[2] = { "One column", "Two columns" };
  66 static WRadio *radio_columns;
  67 static char *s_justify[3] =
  68     { "Left justified", "Default justification", "Right justified" };
  69 static WRadio *radio_justify;
  70 static char *s_itemwidth[3] =
  71     { "Free width", "Fixed width", "Growable width" };
  72 static WRadio *radio_itemwidth;
  73
  74 struct listmode_button {
  75     int ret_cmd, flags, y, x;
  76     char *text;
  77     bcback callback;
  78 };
  79
  80 #define B_PLUS B_USER
  81 #define B_MINUS (B_USER+1)
  82
  83 struct listmode_label {
  84     int y, x;
  85     char *text;
  86 };
  87
  88 static char *
  89 select_new_item (void)
  90 {
  91     /* NOTE: The following array of possible items must match the
  92        formats array in screen.c. Better approach might be to make the
  93        formats array global */
  94     char *possible_items[] =
  95         { "name", "size", "type", "mtime", "perm", "mode", "|", "nlink",
  96         "owner", "group", "atime", "ctime", "space", "mark",
  97         "inode", NULL
  98     };
  99
 100     int i;
 101     Listbox *mylistbox;
 102
 103     mylistbox =
 104         create_listbox_window (12, 20, " Add listing format item ",
 105                                listmode_section);
 106     for (i = 0; possible_items[i]; i++) {
 107         listbox_add_item (mylistbox->list, 0, 0, possible_items[i], NULL);
 108     }
 109
 110     i = run_listbox (mylistbox);
 111     if (i >= 0)
 112         return possible_items[i];
 113     else
 114         return NULL;
 115 }
 116
 117 static int
 118 bplus_cback (int action)
 119 {
 120     return 0;
 121 }
 122
 123 static int
 124 bminus_cback (int action)
 125 {
 126     return 0;
 127 }
 128
 129 static int
 130 badd_cback (int action)
 131 {
 132     char *s = select_new_item ();
 133     if (s) {
 134         listbox_add_item (l_listmode, 0, 0, s, NULL);
 135     }
 136     return 0;
 137 }
 138
 139 static int
 140 bremove_cback (int action)
 141 {
 142     listbox_remove_current (l_listmode, 0);
 143     return 0;
 144 }
 145
 146 static Dlg_head *
 147 init_listmode (char *oldlistformat)
 148 {
 149     int i;
 150     char *s;
 151     int format_width = 0;
 152     int format_columns = 0;
 153     Dlg_head *listmode_dlg;
 154
 155     static struct listmode_label listmode_labels[] = {
 156         {UY + 13, UX + 22, "Item width:"}
 157     };
 158
 159     static struct listmode_button listmode_but[] = {
 160         {B_CANCEL, NORMAL_BUTTON, BY, BX + 53, "&Cancel", NULL},
 161         {B_ADD, NORMAL_BUTTON, BY, BX + 22, "&Add item", badd_cback},
 162         {B_REMOVE, NORMAL_BUTTON, BY, BX + 10, "&Remove", bremove_cback},
 163         {B_ENTER, DEFPUSH_BUTTON, BY, BX, "&OK", NULL},
 164         {B_PLUS, NARROW_BUTTON, UY + 13, UX + 37, "&+", bplus_cback},
 165         {B_MINUS, NARROW_BUTTON, UY + 13, UX + 34, "&-", bminus_cback},
 166     };
 167
 168     do_refresh ();
 169
 170     listmode_dlg =
 171         create_dlg (0, 0, 22, 74, dialog_colors, NULL, listmode_section,
 172                     "Listing format edit", DLG_CENTER | DLG_REVERSE);
 173
 174     add_widget (listmode_dlg,
 175                 groupbox_new (UX, UY, 63, 4, "General options"));
 176     add_widget (listmode_dlg, groupbox_new (UX, UY + 4, 18, 11, "Items"));
 177     add_widget (listmode_dlg,
 178                 groupbox_new (UX + 20, UY + 4, 43, 11, "Item options"));
 179
 180     for (i = 0;
 181          i < sizeof (listmode_but) / sizeof (struct listmode_button); i++)
 182         add_widget (listmode_dlg,
 183                     button_new (listmode_but[i].y, listmode_but[i].x,
 184                                 listmode_but[i].ret_cmd,
 185                                 listmode_but[i].flags,
 186                                 listmode_but[i].text,
 187                                 listmode_but[i].callback));
 188
 189     /* We add the labels. */
 190     for (i = 0;
 191          i < sizeof (listmode_labels) / sizeof (struct listmode_label);
 192          i++) {
 193         pname =
 194             label_new (listmode_labels[i].y, listmode_labels[i].x,
 195                        listmode_labels[i].text);
 196         add_widget (listmode_dlg, pname);
 197     }
 198
 199     radio_itemwidth = radio_new (UY + 9, UX + 22, 3, s_itemwidth, 1);
 200     add_widget (listmode_dlg, radio_itemwidth);
 201     radio_itemwidth = 0;
 202     radio_justify = radio_new (UY + 5, UX + 22, 3, s_justify, 1);
 203     add_widget (listmode_dlg, radio_justify);
 204     radio_justify->sel = 1;
 205
 206     /* get new listbox */
 207     l_listmode = listbox_new (UY + 5, UX + 1, 16, 9, NULL);
 208
 209     if (strncmp (oldlistformat, "full ", 5) == 0) {
 210         format_width = 1;
 211         oldlistformat += 5;
 212     }
 213     if (strncmp (oldlistformat, "half ", 5) == 0) {
 214         oldlistformat += 5;
 215     }
 216     if (strncmp (oldlistformat, "2 ", 2) == 0) {
 217         format_columns = 1;
 218         oldlistformat += 2;
 219     }
 220     if (strncmp (oldlistformat, "1 ", 2) == 0) {
 221         oldlistformat += 2;
 222     }
 223     s = strtok (oldlistformat, ",");
 224
 225     while (s) {
 226         listbox_add_item (l_listmode, 0, 0, s, NULL);
 227         s = strtok (NULL, ",");
 228     }
 229
 230     /* add listbox to the dialogs */
 231     add_widget (listmode_dlg, l_listmode);
 232
 233     radio_columns = radio_new (UY + 1, UX + 32, 2, s_columns, 1);
 234     add_widget (listmode_dlg, radio_columns);
 235     radio_columns->sel = format_columns;
 236     radio_genwidth = radio_new (UY + 1, UX + 2, 2, s_genwidth, 1);
 237     add_widget (listmode_dlg, radio_genwidth);
 238     radio_genwidth->sel = format_width;
 239
 240     return listmode_dlg;
 241 }
 242
 243 static void
 244 listmode_done (Dlg_head *h)
 245 {
 246     destroy_dlg (h);
 247     if (0)
 248         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 249     repaint_screen ();
 250 }
 251
 252 static char *
 253 collect_new_format (void)
 254 {
 255     char *newformat;
 256     int i;
 257     char *last;
 258     char *text, *extra;
 259
 260     newformat = g_malloc (1024);
 261     if (radio_genwidth->sel)
 262         strcpy (newformat, "full ");
 263     else
 264         strcpy (newformat, "half ");
 265     if (radio_columns->sel)
 266         strcat (newformat, "2 ");
 267     last = NULL;
 268     for (i = 0;; i++) {
 269         listbox_select_by_number (l_listmode, i);
 270         listbox_get_current (l_listmode, &text, &extra);
 271         if (text == last)
 272             break;
 273         if (last != NULL)
 274             strcat (newformat, ",");
 275         strcat (newformat, text);
 276         last = text;
 277     }
 278     return newformat;
 279 }
 280
 281 /* Return new format or NULL if the user cancelled the dialog */
 282 char *
 283 listmode_edit (char *oldlistformat)
 284 {
 285     char *newformat = NULL;
 286     char *s;
 287     Dlg_head *listmode_dlg;
 288
 289     s = g_strdup (oldlistformat);
 290     listmode_dlg = init_listmode (s);
 291     g_free (s);
 292
 293     if (run_dlg (listmode_dlg) == B_ENTER) {
 294         newformat = collect_new_format ();
 295     }
 296
 297     listmode_done (listmode_dlg);
 298     return newformat;
 299 }
 300
 301 #endif                          /* LISTMODE_EDITOR */