src/filemanager/listmode.c

   1 /*
   2    Directory panel listing format editor -- for the Midnight Commander
   3
   4    Copyright (C) 1994-2016
   5    Free Software Foundation, Inc.
   6
   7    Written by:
   8    Radek Doulik, 1994
   9    Janne Kukonlehto, 1995
  10
  11    This file is part of the Midnight Commander.
  12
  13    The Midnight Commander is free software: you can redistribute it
  14    and/or modify it under the terms of the GNU General Public License as
  15    published by the Free Software Foundation, either version 3 of the License,
  16    or (at your option) any later version.
  17
  18    The Midnight Commander is distributed in the hope that it will be useful,
  19    but WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21    GNU General Public License for more details.
  22
  23    You should have received a copy of the GNU General Public License
  24    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  25  */
  26
  27 /** \file listmode.c
  28  *  \brief Source: directory panel listing format editor
  29  */
  30
  31 #include <config.h>
  32
  33 #ifdef LISTMODE_EDITOR
  34
  35 #include <stdio.h>
  36 #include <string.h>
  37
  38 #include <sys/types.h>
  39 #include <sys/stat.h>
  40 #include <unistd.h>
  41
  42 #include "lib/global.h"
  43 #include "lib/widget.h"
  44
  45 #include "lib/tty/tty.h"
  46 #include "lib/tty/key.h"
  47 #include "lib/skin/skin.h"
  48
  49 /* Needed for the extern declarations of integer parameters */
  50 #include "dir.h"
  51 #include "panel.h"              /* Needed for the externs */
  52 #include "file.h"
  53 #include "listmode.h"
  54
  55 /*** global variables ****************************************************************************/
  56
  57 /*** file scope macro definitions ****************************************************************/
  58
  59 #define UX 5
  60 #define UY 2
  61
  62 #define BX 5
  63 #define BY 18
  64
  65 #define B_ADD    B_USER
  66 #define B_REMOVE (B_USER + 1)
  67
  68 #define B_PLUS B_USER
  69 #define B_MINUS (B_USER+1)
  70
  71 /*** file scope type declarations ****************************************************************/
  72
  73 struct listmode_button
  74 {
  75     int ret_cmd, flags, y, x;
  76     char *text;
  77     bcback callback;
  78 };
  79
  80 struct listmode_label
  81 {
  82     int y, x;
  83     char *text;
  84 };
  85
  86 /*** file scope variables ************************************************************************/
  87
  88 static WListbox *l_listmode;
  89
  90 static WLabel *pname;
  91
  92 static char *listmode_section = "[Listing format edit]";
  93
  94 static char *s_genwidth[2] = { "Half width", "Full width" };
  95
  96 static WRadio *radio_genwidth;
  97 static char *s_columns[2] = { "One column", "Two columns" };
  98
  99 static WRadio *radio_columns;
 100 static char *s_justify[3] = { "Left justified", "Default justification", "Right justified" };
 101
 102 static WRadio *radio_justify;
 103 static char *s_itemwidth[3] = { "Free width", "Fixed width", "Growable width" };
 104
 105 static WRadio *radio_itemwidth;
 106
 107 /*** file scope functions ************************************************************************/
 108 /* --------------------------------------------------------------------------------------------- */
 109
 110 static char *
 111 select_new_item (void)
 112 {
 113     char **possible_items;
 114     char *ret = NULL;
 115     int i;
 116     Listbox *mylistbox;
 117
 118     possible_items = panel_get_user_possible_fields (NULL);
 119
 120     mylistbox = create_listbox_window (20, 12, "Add listing format item", listmode_section);
 121     for (i = 0; possible_items[i]; i++)
 122     {
 123         listbox_add_item (mylistbox->list, LISTBOX_APPEND_AT_END, 0, possible_items[i], NULL,
 124                           FALSE);
 125     }
 126
 127     i = run_listbox (mylistbox);
 128     if (i >= 0)
 129         ret = g_strdup (possible_items[i]);
 130
 131     g_strfreev (possible_items);
 132     return ret;
 133 }
 134
 135 /* --------------------------------------------------------------------------------------------- */
 136
 137 static int
 138 bplus_cback (int action)
 139 {
 140     return 0;
 141 }
 142
 143 /* --------------------------------------------------------------------------------------------- */
 144
 145 static int
 146 bminus_cback (int action)
 147 {
 148     return 0;
 149 }
 150
 151 /* --------------------------------------------------------------------------------------------- */
 152
 153 static int
 154 badd_cback (int action)
 155 {
 156     char *s = select_new_item ();
 157     if (s)
 158     {
 159         listbox_add_item (l_listmode, LISTBOX_APPEND_AT_END, 0, s, NULL, FALSE);
 160         g_free (s);
 161     }
 162     return 0;
 163 }
 164
 165 /* --------------------------------------------------------------------------------------------- */
 166
 167 static int
 168 bremove_cback (int action)
 169 {
 170     listbox_remove_current (l_listmode);
 171     return 0;
 172 }
 173
 174 /* --------------------------------------------------------------------------------------------- */
 175
 176 static WDialog *
 177 init_listmode (char *oldlistformat)
 178 {
 179     int i;
 180     char *s;
 181     int format_width = 0;
 182     int format_columns = 0;
 183     WDialog *listmode_dlg;
 184
 185     static struct listmode_label listmode_labels[] = {
 186         {UY + 13, UX + 22, "Item width:"}
 187     };
 188
 189     static struct listmode_button listmode_but[] = {
 190         {B_CANCEL, NORMAL_BUTTON, BY, BX + 53, "&Cancel", NULL},
 191         {B_ADD, NORMAL_BUTTON, BY, BX + 22, "&Add item", badd_cback},
 192         {B_REMOVE, NORMAL_BUTTON, BY, BX + 10, "&Remove", bremove_cback},
 193         {B_ENTER, DEFPUSH_BUTTON, BY, BX, "&OK", NULL},
 194         {B_PLUS, NARROW_BUTTON, UY + 13, UX + 37, "&+", bplus_cback},
 195         {B_MINUS, NARROW_BUTTON, UY + 13, UX + 34, "&-", bminus_cback},
 196     };
 197
 198     do_refresh ();
 199
 200     listmode_dlg =
 201         dlg_create (TRUE, 0, 0, 22, 74, WPOS_CENTER, FALSE, dialog_colors, NULL, NULL,
 202                     listmode_section, "Listing format edit");
 203
 204     add_widget (listmode_dlg, groupbox_new (UY, UX, 4, 63, "General options"));
 205     add_widget (listmode_dlg, groupbox_new (UY + 4, UX, 11, 18, "Items"));
 206     add_widget (listmode_dlg, groupbox_new (UY + 4, UX + 20, 11, 43, "Item options"));
 207
 208     for (i = 0; i < sizeof (listmode_but) / sizeof (struct listmode_button); i++)
 209         add_widget (listmode_dlg,
 210                     button_new (listmode_but[i].y, listmode_but[i].x,
 211                                 listmode_but[i].ret_cmd,
 212                                 listmode_but[i].flags,
 213                                 listmode_but[i].text, listmode_but[i].callback));
 214
 215     /* We add the labels. */
 216     for (i = 0; i < sizeof (listmode_labels) / sizeof (struct listmode_label); i++)
 217     {
 218         pname = label_new (listmode_labels[i].y, listmode_labels[i].x, listmode_labels[i].text);
 219         add_widget (listmode_dlg, pname);
 220     }
 221
 222     radio_itemwidth = radio_new (UY + 9, UX + 22, 3, s_itemwidth);
 223     add_widget (listmode_dlg, radio_itemwidth);
 224     radio_itemwidth = 0;
 225     radio_justify = radio_new (UY + 5, UX + 22, 3, s_justify);
 226     add_widget (listmode_dlg, radio_justify);
 227     radio_justify->sel = 1;
 228
 229     /* get new listbox */
 230     l_listmode = listbox_new (UY + 5, UX + 1, 9, 16, FALSE, NULL);
 231
 232     if (strncmp (oldlistformat, "full ", 5) == 0)
 233     {
 234         format_width = 1;
 235         oldlistformat += 5;
 236     }
 237     if (strncmp (oldlistformat, "half ", 5) == 0)
 238     {
 239         oldlistformat += 5;
 240     }
 241     if (strncmp (oldlistformat, "2 ", 2) == 0)
 242     {
 243         format_columns = 1;
 244         oldlistformat += 2;
 245     }
 246     if (strncmp (oldlistformat, "1 ", 2) == 0)
 247     {
 248         oldlistformat += 2;
 249     }
 250     s = strtok (oldlistformat, ",");
 251
 252     while (s)
 253     {
 254         listbox_add_item (l_listmode, LISTBOX_APPEND_AT_END, 0, s, NULL, FALSE);
 255         s = strtok (NULL, ",");
 256     }
 257
 258     /* add listbox to the dialogs */
 259     add_widget (listmode_dlg, l_listmode);
 260
 261     radio_columns = radio_new (UY + 1, UX + 32, 2, s_columns);
 262     add_widget (listmode_dlg, radio_columns);
 263     radio_columns->sel = format_columns;
 264     radio_genwidth = radio_new (UY + 1, UX + 2, 2, s_genwidth);
 265     add_widget (listmode_dlg, radio_genwidth);
 266     radio_genwidth->sel = format_width;
 267
 268     return listmode_dlg;
 269 }
 270
 271 /* --------------------------------------------------------------------------------------------- */
 272
 273 static void
 274 listmode_done (WDialog * h)
 275 {
 276     dlg_destroy (h);
 277     if (0)
 278         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 279     repaint_screen ();
 280 }
 281
 282 /* --------------------------------------------------------------------------------------------- */
 283
 284 static char *
 285 collect_new_format (void)
 286 {
 287     char *newformat;
 288     int i;
 289     char *last;
 290     char *text, *extra;
 291
 292     newformat = g_malloc (1024);
 293     if (radio_genwidth->sel)
 294         strcpy (newformat, "full ");
 295     else
 296         strcpy (newformat, "half ");
 297     if (radio_columns->sel)
 298         strcat (newformat, "2 ");
 299     last = NULL;
 300     for (i = 0;; i++)
 301     {
 302         listbox_select_entry (l_listmode, i);
 303         listbox_get_current (l_listmode, &text, &extra);
 304         if (text == last)
 305             break;
 306         if (last != NULL)
 307             strcat (newformat, ",");
 308         strcat (newformat, text);
 309         last = text;
 310     }
 311     return newformat;
 312 }
 313
 314 /* --------------------------------------------------------------------------------------------- */
 315 /*** public functions ****************************************************************************/
 316 /* --------------------------------------------------------------------------------------------- */
 317
 318 /** Return new format or NULL if the user cancelled the dialog */
 319 char *
 320 listmode_edit (char *oldlistformat)
 321 {
 322     char *newformat = NULL;
 323     char *s;
 324     WDialog *listmode_dlg;
 325
 326     s = g_strdup (oldlistformat);
 327     listmode_dlg = init_listmode (s);
 328     g_free (s);
 329
 330     if (dlg_run (listmode_dlg) == B_ENTER)
 331     {
 332         newformat = collect_new_format ();
 333     }
 334
 335     listmode_done (listmode_dlg);
 336     return newformat;
 337 }
 338
 339 /* --------------------------------------------------------------------------------------------- */
 340
 341 #endif /* LISTMODE_EDITOR */