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