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 "lib/widget.h"
  40
  41 #include "lib/tty/tty.h"
  42 #include "lib/tty/key.h"
  43 #include "lib/skin/skin.h"
  44
  45 /* Needed for the extern declarations of integer parameters */
  46 #include "dir.h"
  47 #include "panel.h"              /* Needed for the externs */
  48 #include "file.h"
  49 #include "layout.h"             /* repaint_screen() */
  50 #include "main.h"
  51 #include "listmode.h"
  52
  53 /*** global variables ****************************************************************************/
  54
  55 /*** file scope macro definitions ****************************************************************/
  56
  57 #define UX 5
  58 #define UY 2
  59
  60 #define BX 5
  61 #define BY 18
  62
  63 #define B_ADD    B_USER
  64 #define B_REMOVE (B_USER + 1)
  65
  66 #define B_PLUS B_USER
  67 #define B_MINUS (B_USER+1)
  68
  69 /*** file scope type declarations ****************************************************************/
  70
  71 struct listmode_button
  72 {
  73     int ret_cmd, flags, y, x;
  74     char *text;
  75     bcback callback;
  76 };
  77
  78 struct listmode_label
  79 {
  80     int y, x;
  81     char *text;
  82 };
  83
  84 /*** file scope variables ************************************************************************/
  85
  86 static WListbox *l_listmode;
  87
  88 static WLabel *pname;
  89
  90 static char *listmode_section = "[Listing format edit]";
  91
  92 static char *s_genwidth[2] = { "Half width", "Full width" };
  93
  94 static WRadio *radio_genwidth;
  95 static char *s_columns[2] = { "One column", "Two columns" };
  96
  97 static WRadio *radio_columns;
  98 static char *s_justify[3] = { "Left justified", "Default justification", "Right justified" };
  99
 100 static WRadio *radio_justify;
 101 static char *s_itemwidth[3] = { "Free width", "Fixed width", "Growable width" };
 102
 103 static WRadio *radio_itemwidth;
 104
 105 /*** file scope functions ************************************************************************/
 106 /* --------------------------------------------------------------------------------------------- */
 107
 108 static char *
 109 select_new_item (void)
 110 {
 111     char **possible_items;
 112     char *ret = NULL;
 113     int i;
 114     Listbox *mylistbox;
 115
 116     possible_items = panel_get_user_possible_fields (NULL);
 117
 118     mylistbox = create_listbox_window (20, 12, "Add listing format item", listmode_section);
 119     for (i = 0; possible_items[i]; i++)
 120     {
 121         listbox_add_item (mylistbox->list, LISTBOX_APPEND_AT_END, 0, possible_items[i], NULL);
 122     }
 123
 124     i = run_listbox (mylistbox);
 125     if (i >= 0)
 126         ret = g_strdup (possible_items[i]);
 127
 128     g_strfreev (possible_items);
 129     return ret;
 130 }
 131
 132 /* --------------------------------------------------------------------------------------------- */
 133
 134 static int
 135 bplus_cback (int action)
 136 {
 137     return 0;
 138 }
 139
 140 /* --------------------------------------------------------------------------------------------- */
 141
 142 static int
 143 bminus_cback (int action)
 144 {
 145     return 0;
 146 }
 147
 148 /* --------------------------------------------------------------------------------------------- */
 149
 150 static int
 151 badd_cback (int action)
 152 {
 153     char *s = select_new_item ();
 154     if (s)
 155     {
 156         listbox_add_item (l_listmode, LISTBOX_APPEND_AT_END, 0, s, NULL);
 157         g_free (s);
 158     }
 159     return 0;
 160 }
 161
 162 /* --------------------------------------------------------------------------------------------- */
 163
 164 static int
 165 bremove_cback (int action)
 166 {
 167     listbox_remove_current (l_listmode);
 168     return 0;
 169 }
 170
 171 /* --------------------------------------------------------------------------------------------- */
 172
 173 static Dlg_head *
 174 init_listmode (char *oldlistformat)
 175 {
 176     int i;
 177     char *s;
 178     int format_width = 0;
 179     int format_columns = 0;
 180     Dlg_head *listmode_dlg;
 181
 182     static struct listmode_label listmode_labels[] = {
 183         {UY + 13, UX + 22, "Item width:"}
 184     };
 185
 186     static struct listmode_button listmode_but[] = {
 187         {B_CANCEL, NORMAL_BUTTON, BY, BX + 53, "&Cancel", NULL},
 188         {B_ADD, NORMAL_BUTTON, BY, BX + 22, "&Add item", badd_cback},
 189         {B_REMOVE, NORMAL_BUTTON, BY, BX + 10, "&Remove", bremove_cback},
 190         {B_ENTER, DEFPUSH_BUTTON, BY, BX, "&OK", NULL},
 191         {B_PLUS, NARROW_BUTTON, UY + 13, UX + 37, "&+", bplus_cback},
 192         {B_MINUS, NARROW_BUTTON, UY + 13, UX + 34, "&-", bminus_cback},
 193     };
 194
 195     do_refresh ();
 196
 197     listmode_dlg =
 198         create_dlg (TRUE, 0, 0, 22, 74, dialog_colors, NULL, listmode_section,
 199                     "Listing format edit", DLG_CENTER | DLG_REVERSE);
 200
 201     add_widget (listmode_dlg, groupbox_new (UY, UX, 4, 63, "General options"));
 202     add_widget (listmode_dlg, groupbox_new (UY + 4, UX, 11, 18, "Items"));
 203     add_widget (listmode_dlg, groupbox_new (UY + 4, UX + 20, 11, 43, "Item options"));
 204
 205     for (i = 0; i < sizeof (listmode_but) / sizeof (struct listmode_button); i++)
 206         add_widget (listmode_dlg,
 207                     button_new (listmode_but[i].y, listmode_but[i].x,
 208                                 listmode_but[i].ret_cmd,
 209                                 listmode_but[i].flags,
 210                                 listmode_but[i].text, listmode_but[i].callback));
 211
 212     /* We add the labels. */
 213     for (i = 0; i < sizeof (listmode_labels) / sizeof (struct listmode_label); i++)
 214     {
 215         pname = label_new (listmode_labels[i].y, listmode_labels[i].x, listmode_labels[i].text);
 216         add_widget (listmode_dlg, pname);
 217     }
 218
 219     radio_itemwidth = radio_new (UY + 9, UX + 22, 3, s_itemwidth);
 220     add_widget (listmode_dlg, radio_itemwidth);
 221     radio_itemwidth = 0;
 222     radio_justify = radio_new (UY + 5, UX + 22, 3, s_justify);
 223     add_widget (listmode_dlg, radio_justify);
 224     radio_justify->sel = 1;
 225
 226     /* get new listbox */
 227     l_listmode = listbox_new (UY + 5, UX + 1, 9, 16, FALSE, NULL);
 228
 229     if (strncmp (oldlistformat, "full ", 5) == 0)
 230     {
 231         format_width = 1;
 232         oldlistformat += 5;
 233     }
 234     if (strncmp (oldlistformat, "half ", 5) == 0)
 235     {
 236         oldlistformat += 5;
 237     }
 238     if (strncmp (oldlistformat, "2 ", 2) == 0)
 239     {
 240         format_columns = 1;
 241         oldlistformat += 2;
 242     }
 243     if (strncmp (oldlistformat, "1 ", 2) == 0)
 244     {
 245         oldlistformat += 2;
 246     }
 247     s = strtok (oldlistformat, ",");
 248
 249     while (s)
 250     {
 251         listbox_add_item (l_listmode, LISTBOX_APPEND_AT_END, 0, s, NULL);
 252         s = strtok (NULL, ",");
 253     }
 254
 255     /* add listbox to the dialogs */
 256     add_widget (listmode_dlg, l_listmode);
 257
 258     radio_columns = radio_new (UY + 1, UX + 32, 2, s_columns);
 259     add_widget (listmode_dlg, radio_columns);
 260     radio_columns->sel = format_columns;
 261     radio_genwidth = radio_new (UY + 1, UX + 2, 2, s_genwidth);
 262     add_widget (listmode_dlg, radio_genwidth);
 263     radio_genwidth->sel = format_width;
 264
 265     return listmode_dlg;
 266 }
 267
 268 /* --------------------------------------------------------------------------------------------- */
 269
 270 static void
 271 listmode_done (Dlg_head * h)
 272 {
 273     destroy_dlg (h);
 274     if (0)
 275         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 276     repaint_screen ();
 277 }
 278
 279 /* --------------------------------------------------------------------------------------------- */
 280
 281 static char *
 282 collect_new_format (void)
 283 {
 284     char *newformat;
 285     int i;
 286     char *last;
 287     char *text, *extra;
 288
 289     newformat = g_malloc (1024);
 290     if (radio_genwidth->sel)
 291         strcpy (newformat, "full ");
 292     else
 293         strcpy (newformat, "half ");
 294     if (radio_columns->sel)
 295         strcat (newformat, "2 ");
 296     last = NULL;
 297     for (i = 0;; i++)
 298     {
 299         listbox_select_entry (l_listmode, i);
 300         listbox_get_current (l_listmode, &text, &extra);
 301         if (text == last)
 302             break;
 303         if (last != NULL)
 304             strcat (newformat, ",");
 305         strcat (newformat, text);
 306         last = text;
 307     }
 308     return newformat;
 309 }
 310
 311 /* --------------------------------------------------------------------------------------------- */
 312 /*** public functions ****************************************************************************/
 313 /* --------------------------------------------------------------------------------------------- */
 314
 315 /** Return new format or NULL if the user cancelled the dialog */
 316 char *
 317 listmode_edit (char *oldlistformat)
 318 {
 319     char *newformat = NULL;
 320     char *s;
 321     Dlg_head *listmode_dlg;
 322
 323     s = g_strdup (oldlistformat);
 324     listmode_dlg = init_listmode (s);
 325     g_free (s);
 326
 327     if (run_dlg (listmode_dlg) == B_ENTER)
 328     {
 329         newformat = collect_new_format ();
 330     }
 331
 332     listmode_done (listmode_dlg);
 333     return newformat;
 334 }
 335
 336 /* --------------------------------------------------------------------------------------------- */
 337
 338 #endif /* LISTMODE_EDITOR */