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 "lib/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     char **possible_items;
  98     char *ret = NULL;
  99     int i;
 100     Listbox *mylistbox;
 101
 102     possible_items = panel_get_user_possible_fields(NULL);
 103
 104     mylistbox =
 105         create_listbox_window (20, 12, " Add listing format item ",
 106                                listmode_section);
 107     for (i = 0; possible_items[i]; i++) {
 108         listbox_add_item (mylistbox->list, LISTBOX_APPEND_AT_END, 0, possible_items[i], NULL);
 109     }
 110
 111     i = run_listbox (mylistbox);
 112     if (i >= 0)
 113         ret = g_strdup(possible_items[i]);
 114
 115     g_strfreev (possible_items);
 116     return ret;
 117 }
 118
 119 static int
 120 bplus_cback (int action)
 121 {
 122     return 0;
 123 }
 124
 125 static int
 126 bminus_cback (int action)
 127 {
 128     return 0;
 129 }
 130
 131 static int
 132 badd_cback (int action)
 133 {
 134     char *s = select_new_item ();
 135     if (s) {
 136         listbox_add_item (l_listmode, LISTBOX_APPEND_AT_END, 0, s, NULL);
 137         g_free(s);
 138     }
 139     return 0;
 140 }
 141
 142 static int
 143 bremove_cback (int action)
 144 {
 145     listbox_remove_current (l_listmode);
 146     return 0;
 147 }
 148
 149 static Dlg_head *
 150 init_listmode (char *oldlistformat)
 151 {
 152     int i;
 153     char *s;
 154     int format_width = 0;
 155     int format_columns = 0;
 156     Dlg_head *listmode_dlg;
 157
 158     static struct listmode_label listmode_labels[] = {
 159         {UY + 13, UX + 22, "Item width:"}
 160     };
 161
 162     static struct listmode_button listmode_but[] = {
 163         {B_CANCEL, NORMAL_BUTTON, BY, BX + 53, "&Cancel", NULL},
 164         {B_ADD, NORMAL_BUTTON, BY, BX + 22, "&Add item", badd_cback},
 165         {B_REMOVE, NORMAL_BUTTON, BY, BX + 10, "&Remove", bremove_cback},
 166         {B_ENTER, DEFPUSH_BUTTON, BY, BX, "&OK", NULL},
 167         {B_PLUS, NARROW_BUTTON, UY + 13, UX + 37, "&+", bplus_cback},
 168         {B_MINUS, NARROW_BUTTON, UY + 13, UX + 34, "&-", bminus_cback},
 169     };
 170
 171     do_refresh ();
 172
 173     listmode_dlg =
 174         create_dlg (0, 0, 22, 74, dialog_colors, NULL, listmode_section,
 175                     "Listing format edit", DLG_CENTER | DLG_REVERSE);
 176
 177     add_widget (listmode_dlg,
 178                 groupbox_new (UY, UX, 4, 63, "General options"));
 179     add_widget (listmode_dlg, groupbox_new (UY + 4, UX, 11, 18, "Items"));
 180     add_widget (listmode_dlg,
 181                 groupbox_new (UY + 4, UX + 20, 11, 43, "Item options"));
 182
 183     for (i = 0;
 184          i < sizeof (listmode_but) / sizeof (struct listmode_button); i++)
 185         add_widget (listmode_dlg,
 186                     button_new (listmode_but[i].y, listmode_but[i].x,
 187                                 listmode_but[i].ret_cmd,
 188                                 listmode_but[i].flags,
 189                                 listmode_but[i].text,
 190                                 listmode_but[i].callback));
 191
 192     /* We add the labels. */
 193     for (i = 0;
 194          i < sizeof (listmode_labels) / sizeof (struct listmode_label);
 195          i++) {
 196         pname =
 197             label_new (listmode_labels[i].y, listmode_labels[i].x,
 198                        listmode_labels[i].text);
 199         add_widget (listmode_dlg, pname);
 200     }
 201
 202     radio_itemwidth = radio_new (UY + 9, UX + 22, 3, s_itemwidth);
 203     add_widget (listmode_dlg, radio_itemwidth);
 204     radio_itemwidth = 0;
 205     radio_justify = radio_new (UY + 5, UX + 22, 3, s_justify);
 206     add_widget (listmode_dlg, radio_justify);
 207     radio_justify->sel = 1;
 208
 209     /* get new listbox */
 210     l_listmode = listbox_new (UY + 5, UX + 1, 9, 16, FALSE, NULL);
 211
 212     if (strncmp (oldlistformat, "full ", 5) == 0) {
 213         format_width = 1;
 214         oldlistformat += 5;
 215     }
 216     if (strncmp (oldlistformat, "half ", 5) == 0) {
 217         oldlistformat += 5;
 218     }
 219     if (strncmp (oldlistformat, "2 ", 2) == 0) {
 220         format_columns = 1;
 221         oldlistformat += 2;
 222     }
 223     if (strncmp (oldlistformat, "1 ", 2) == 0) {
 224         oldlistformat += 2;
 225     }
 226     s = strtok (oldlistformat, ",");
 227
 228     while (s) {
 229         listbox_add_item (l_listmode, LISTBOX_APPEND_AT_END, 0, s, NULL);
 230         s = strtok (NULL, ",");
 231     }
 232
 233     /* add listbox to the dialogs */
 234     add_widget (listmode_dlg, l_listmode);
 235
 236     radio_columns = radio_new (UY + 1, UX + 32, 2, s_columns);
 237     add_widget (listmode_dlg, radio_columns);
 238     radio_columns->sel = format_columns;
 239     radio_genwidth = radio_new (UY + 1, UX + 2, 2, s_genwidth);
 240     add_widget (listmode_dlg, radio_genwidth);
 241     radio_genwidth->sel = format_width;
 242
 243     return listmode_dlg;
 244 }
 245
 246 static void
 247 listmode_done (Dlg_head *h)
 248 {
 249     destroy_dlg (h);
 250     if (0)
 251         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 252     repaint_screen ();
 253 }
 254
 255 static char *
 256 collect_new_format (void)
 257 {
 258     char *newformat;
 259     int i;
 260     char *last;
 261     char *text, *extra;
 262
 263     newformat = g_malloc (1024);
 264     if (radio_genwidth->sel)
 265         strcpy (newformat, "full ");
 266     else
 267         strcpy (newformat, "half ");
 268     if (radio_columns->sel)
 269         strcat (newformat, "2 ");
 270     last = NULL;
 271     for (i = 0;; i++) {
 272         listbox_select_entry (l_listmode, i);
 273         listbox_get_current (l_listmode, &text, &extra);
 274         if (text == last)
 275             break;
 276         if (last != NULL)
 277             strcat (newformat, ",");
 278         strcat (newformat, text);
 279         last = text;
 280     }
 281     return newformat;
 282 }
 283
 284 /* Return new format or NULL if the user cancelled the dialog */
 285 char *
 286 listmode_edit (char *oldlistformat)
 287 {
 288     char *newformat = NULL;
 289     char *s;
 290     Dlg_head *listmode_dlg;
 291
 292     s = g_strdup (oldlistformat);
 293     listmode_dlg = init_listmode (s);
 294     g_free (s);
 295
 296     if (run_dlg (listmode_dlg) == B_ENTER) {
 297         newformat = collect_new_format ();
 298     }
 299
 300     listmode_done (listmode_dlg);
 301     return newformat;
 302 }
 303 #endif                          /* LISTMODE_EDITOR */