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