rosapps/mc/src/listmode.c

   1 /* Directory panel listing format editor -- for the Midnight Commander
   2    Copyright (C) 1994, 1995 The Free Software Foundation
   3
   4    Written by: 1994 Radek Doulik
   5                1995 Janne Kukonlehto
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include <config.h>
  23 #ifdef HAVE_UNISTD_H
  24 #   include <unistd.h>
  25 #endif
  26 #include <string.h>
  27 #include <stdio.h>
  28 #include <stdlib.h>             /* For malloc() */
  29 #include <sys/types.h>
  30 #include <sys/param.h>
  31 #include <sys/stat.h>
  32 #ifndef OS2_NT
  33 #    include <grp.h>
  34 #    include <pwd.h>
  35 #endif
  36 #include "tty.h"
  37 #include "mad.h"
  38 #include "util.h"               /* Needed for the externs */
  39 #include "win.h"
  40 #include "color.h"
  41 #include "dlg.h"
  42 #include "widget.h"
  43 #include "dialog.h"             /* For do_refresh() */
  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 "main.h"
  51 #include "global.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 BUTTONS         4
  61 #define LABELS          4
  62 #define B_ADD           B_USER
  63 #define B_REMOVE        B_USER + 1
  64
  65 static WListbox *l_listmode;
  66
  67 static Dlg_head *listmode_dlg;
  68
  69 static WLabel *pname;
  70
  71 static char *listmode_section = "[Listing format edit]";
  72
  73 static char *s_genwidth [2] = {"Half width", "Full width"};
  74 WRadio *radio_genwidth;
  75 static char *s_columns [2] = {"One column", "Two columns"};
  76 WRadio *radio_columns;
  77 static char *s_justify [3] =
  78 {"Left justified", "Default justification", "Right justified"};
  79 WRadio *radio_justify;
  80 static char *s_itemwidth [3] =
  81 {"Free width", "Fixed width", "Growable width"};
  82 WRadio *radio_itemwidth;
  83
  84 struct {
  85     int ret_cmd, flags, y, x;
  86     char *text;
  87 } listmode_but[BUTTONS] = {
  88     { B_CANCEL, NORMAL_BUTTON, 0, 53, "&Cancel" },
  89     { B_ADD, NORMAL_BUTTON,    0, 22, "&Add item"},
  90     { B_REMOVE, NORMAL_BUTTON, 0, 10, "&Remove" },
  91     { B_ENTER, DEFPUSH_BUTTON, 0,  0, "&Ok" },
  92 };
  93
  94 #define B_PLUS B_USER
  95 #define B_MINUS B_USER+1
  96
  97 struct {
  98     int y, x;
  99     char *text;
 100 } listmode_text [LABELS] = {
 101     { UY, UX + 1, " General options " },
 102     { UY+4, UX+1, " Items "},
 103     { UY+4, UX+21, " Item options" },
 104     { UY+13, UX+22, "Item width:" }
 105 };
 106
 107 #ifndef HAVE_X
 108 static void listmode_refresh (void)
 109 {
 110     attrset (COLOR_NORMAL);
 111     dlg_erase (listmode_dlg);
 112
 113     draw_box (listmode_dlg, 1, 2, 20, 70);
 114     draw_box (listmode_dlg, UY, UX, 4, 63);
 115     draw_box (listmode_dlg, UY + 4, UX, 11, 18);
 116     draw_box (listmode_dlg, UY + 4, UX+20, 11, 43);
 117 }
 118 #endif
 119
 120 static int bplus_cback (int action, void *data)
 121 {
 122     return 0;
 123 }
 124
 125 static int bminus_cback (int action, void *data)
 126 {
 127     return 0;
 128 }
 129
 130 static int listmode_callback (Dlg_head * h, int Par, int Msg)
 131 {
 132     switch (Msg) {
 133 #ifndef HAVE_X
 134     case DLG_DRAW:
 135         listmode_refresh ();
 136         break;
 137 #endif
 138
 139     case DLG_POST_KEY:
 140         /* fall */
 141     case DLG_INIT:
 142         attrset (COLOR_NORMAL);
 143         dlg_move (h, UY+13, UX+35);
 144         printw ("%02d", 99);
 145         attrset (MENU_ENTRY_COLOR);
 146         break;
 147     }
 148     return 0;
 149 }
 150
 151 static int l_call (void *data)
 152 {
 153     return 1;
 154 }
 155
 156 static void init_listmode (char *oldlistformat)
 157 {
 158     int i;
 159     char *s;
 160     int format_width = 0;
 161     int format_columns = 0;
 162
 163     do_refresh ();
 164
 165     listmode_dlg = create_dlg (0, 0, 22, 74, dialog_colors,
 166                               listmode_callback, listmode_section, "listmode",
 167                               DLG_CENTER);
 168     x_set_dialog_title (listmode_dlg, "Listing format edit");
 169
 170 #define XTRACT(i) BY+listmode_but[i].y, BX+listmode_but[i].x, listmode_but[i].ret_cmd, listmode_but[i].flags, listmode_but[i].text, 0, 0, NULL
 171
 172     for (i = 0; i < BUTTONS; i++)
 173         add_widgetl (listmode_dlg, button_new (XTRACT (i)), (i == BUTTONS - 1) ?
 174             XV_WLAY_CENTERROW : XV_WLAY_RIGHTOF);
 175
 176     /* We add the labels. */
 177     for (i = 0; i < LABELS; i++){
 178         pname = label_new (listmode_text [i].y,
 179                            listmode_text [i].x, listmode_text [i].text, NULL);
 180         add_widget (listmode_dlg, pname);
 181     }
 182
 183     add_widget (listmode_dlg, button_new (UY+13, UX+37, B_MINUS, NORMAL_BUTTON,
 184                                           "&-", bminus_cback, 0, NULL));
 185     add_widget (listmode_dlg, button_new (UY+13, UX+34, B_PLUS, NORMAL_BUTTON,
 186                                           "&+", bplus_cback, 0, NULL));
 187     radio_itemwidth = radio_new (UY+9, UX+22, 3, s_itemwidth, 1, NULL);
 188     add_widget (listmode_dlg, radio_itemwidth);
 189     radio_itemwidth = 0;
 190     radio_justify = radio_new (UY+5, UX+22, 3, s_justify, 1, NULL);
 191     add_widget (listmode_dlg, radio_justify);
 192     radio_justify->sel = 1;
 193
 194     /* get new listbox */
 195     l_listmode = listbox_new (UY + 5, UX + 1, 16, 9, 0, l_call, NULL);
 196
 197     if (strncmp (oldlistformat, "full ", 5) == 0){
 198         format_width = 1;
 199         oldlistformat += 5;
 200     }
 201     if (strncmp (oldlistformat, "half ", 5) == 0){
 202         oldlistformat += 5;
 203     }
 204     if (strncmp (oldlistformat, "2 ", 2) == 0){
 205         format_columns = 1;
 206         oldlistformat += 2;
 207     }
 208     if (strncmp (oldlistformat, "1 ", 2) == 0){
 209         oldlistformat += 2;
 210     }
 211     s = strtok (oldlistformat, ",");
 212
 213     while (s){
 214         listbox_add_item (l_listmode, 0, 0, s, NULL);
 215         s = strtok (NULL, ",");
 216     }
 217
 218     /* add listbox to the dialogs */
 219     add_widgetl (listmode_dlg, l_listmode, XV_WLAY_EXTENDWIDTH);
 220
 221     radio_columns = radio_new (UY+1, UX+32, 2, s_columns, 1, NULL);
 222     add_widget (listmode_dlg, radio_columns);
 223     radio_columns->sel = format_columns;
 224     radio_genwidth = radio_new (UY+1, UX+2, 2, s_genwidth, 1, NULL);
 225     add_widget (listmode_dlg, radio_genwidth);
 226     radio_genwidth->sel = format_width;
 227 }
 228
 229 static void listmode_done (void)
 230 {
 231     destroy_dlg (listmode_dlg);
 232     if (0)
 233         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 234     repaint_screen ();
 235 }
 236
 237 char *select_new_item (void)
 238 {
 239     /* NOTE: The following array of possible items must match the
 240        formats array in screen.c. Better approach might be to make the
 241        formats array global */
 242     char *possible_items [] =
 243     { "name", "size", "type", "mtime", "perm", "mode", "|", "nlink",
 244           "owner", "group", "atime", "ctime", "space", "mark",
 245           "inode", NULL };
 246
 247     int i;
 248     Listbox *mylistbox;
 249
 250     mylistbox = create_listbox_window (12, 20, " Add listing format item ", listmode_section);
 251     for (i = 0; possible_items [i]; i++){
 252         listbox_add_item (mylistbox->list, 0, 0, possible_items [i], NULL);
 253     }
 254
 255     i = run_listbox (mylistbox);
 256     if (i >= 0)
 257         return possible_items [i];
 258     else
 259         return NULL;
 260 }
 261
 262 char *collect_new_format (void)
 263 {
 264     char *newformat;
 265     int i;
 266     char *last;
 267     char *text, *extra;
 268
 269     newformat = xmalloc (1024, "collect_new_format");
 270     if (radio_genwidth->sel)
 271         strcpy (newformat, "full ");
 272     else
 273         strcpy (newformat, "half ");
 274     if (radio_columns->sel)
 275         strcat (newformat, "2 ");
 276     last = NULL;
 277     for (i = 0;;i++){
 278         listbox_select_by_number (l_listmode, i);
 279         listbox_get_current (l_listmode, &text, &extra);
 280         if (text == last)
 281             break;
 282         if (last != NULL)
 283             strcat (newformat, ",");
 284         strcat (newformat, text);
 285         last = text;
 286     }
 287     return newformat;
 288 }
 289
 290 char *listmode_edit (char *oldlistformat)
 291 {
 292     char *newformat = NULL;
 293     char *s;
 294
 295     s = strdup (oldlistformat);
 296     init_listmode (s);
 297     free (s);
 298
 299     while (newformat == NULL)
 300     {
 301         /* display file info */
 302         attrset (SELECTED_COLOR);
 303
 304         run_dlg (listmode_dlg);
 305
 306         switch (listmode_dlg->ret_value) {
 307         case B_CANCEL:
 308             newformat = strdup (oldlistformat);
 309             break;
 310
 311         case B_ADD:
 312             s = select_new_item ();
 313             if (s)
 314                 listbox_add_item (l_listmode, 0, 0, s, NULL);
 315             break;
 316
 317         case B_REMOVE:
 318             listbox_remove_current (l_listmode, 0);
 319             break;
 320
 321         case B_ENTER:
 322             newformat = collect_new_format ();
 323             break;
 324         }
 325     }
 326
 327     listmode_done ();
 328     return newformat;
 329 }