src/viewer/dialogs.c

src/viewer/dialogs.c
/* */
This source file includes following definitions.
mcview_dialog_search
mcview_dialog_goto
   1 /*
   2    Internal file viewer for the Midnight Commander
   3    Function for paint dialogs
   4 
   5    Copyright (C) 1994-2024
   6    Free Software Foundation, Inc.
   7 
   8    Written by:
   9    Miguel de Icaza, 1994, 1995, 1998
  10    Janne Kukonlehto, 1994, 1995
  11    Jakub Jelinek, 1995
  12    Joseph M. Hinkle, 1996
  13    Norbert Warmuth, 1997
  14    Pavel Machek, 1998
  15    Roland Illig <roland.illig@gmx.de>, 2004, 2005
  16    Slava Zanko <slavazanko@google.com>, 2009
  17    Andrew Borodin <aborodin@vmail.ru>, 2009-2022
  18    Ilia Maslakov <il.smind@gmail.com>, 2009
  19 
  20    This file is part of the Midnight Commander.
  21 
  22    The Midnight Commander is free software: you can redistribute it
  23    and/or modify it under the terms of the GNU General Public License as
  24    published by the Free Software Foundation, either version 3 of the License,
  25    or (at your option) any later version.
  26 
  27    The Midnight Commander is distributed in the hope that it will be useful,
  28    but WITHOUT ANY WARRANTY; without even the implied warranty of
  29    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  30    GNU General Public License for more details.
  31 
  32    You should have received a copy of the GNU General Public License
  33    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  34  */
  35 
  36 #include <config.h>
  37 
  38 #include <stdlib.h>
  39 #include <sys/types.h>
  40 
  41 #include "lib/global.h"
  42 #include "lib/search.h"
  43 #include "lib/strutil.h"
  44 #include "lib/widget.h"
  45 #ifdef HAVE_CHARSET
  46 #include "lib/charsets.h"
  47 #endif
  48 
  49 #include "src/history.h"
  50 
  51 #include "internal.h"
  52 
  53 /*** global variables ****************************************************************************/
  54 
  55 /*** file scope macro definitions ****************************************************************/
  56 
  57 /*** file scope type declarations ****************************************************************/
  58 
  59 /*** file scope variables ************************************************************************/
  60 
  61 /*** file scope functions ************************************************************************/
  62 /* --------------------------------------------------------------------------------------------- */
  63 
  64 /* --------------------------------------------------------------------------------------------- */
  65 /*** public functions ****************************************************************************/
  66 /* --------------------------------------------------------------------------------------------- */
  67 
  68 gboolean
  69 mcview_dialog_search (WView * view)
     /*   */
  70 {
  71     char *exp = NULL;
  72     int qd_result;
  73     size_t num_of_types = 0;
  74     gchar **list_of_types;
  75 
  76     list_of_types = mc_search_get_types_strings_array (&num_of_types);
  77 
  78     {
  79         quick_widget_t quick_widgets[] = {
  80             /* *INDENT-OFF* */
  81             QUICK_LABELED_INPUT (N_("Enter search string:"), input_label_above,
  82                                  INPUT_LAST_TEXT, MC_HISTORY_SHARED_SEARCH, &exp,
  83                                  NULL, FALSE, FALSE, INPUT_COMPLETE_NONE),
  84             QUICK_SEPARATOR (TRUE),
  85             QUICK_START_COLUMNS,
  86                 QUICK_RADIO (num_of_types, (const char **) list_of_types,
  87                              (int *) &mcview_search_options.type, NULL),
  88             QUICK_NEXT_COLUMN,
  89                 QUICK_CHECKBOX (N_("Cas&e sensitive"), &mcview_search_options.case_sens, NULL),
  90                 QUICK_CHECKBOX (N_("&Backwards"), &mcview_search_options.backwards, NULL),
  91                 QUICK_CHECKBOX (N_("&Whole words"), &mcview_search_options.whole_words, NULL),
  92 #ifdef HAVE_CHARSET
  93                 QUICK_CHECKBOX (N_("&All charsets"), &mcview_search_options.all_codepages, NULL),
  94 #endif
  95             QUICK_STOP_COLUMNS,
  96             QUICK_BUTTONS_OK_CANCEL,
  97             QUICK_END
  98             /* *INDENT-ON* */
  99         };
 100 
 101         WRect r = { -1, -1, 0, 58 };
 102 
 103         quick_dialog_t qdlg = {
 104             r, N_("Search"), "[Input Line Keys]",
 105             quick_widgets, NULL, NULL
 106         };
 107 
 108         qd_result = quick_dialog (&qdlg);
 109     }
 110 
 111     g_strfreev (list_of_types);
 112 
 113     if (qd_result == B_CANCEL || exp[0] == '\0')
 114     {
 115         g_free (exp);
 116         return FALSE;
 117     }
 118 
 119 #ifdef HAVE_CHARSET
 120     {
 121         GString *tmp;
 122 
 123         tmp = str_convert_to_input (exp);
 124         g_free (exp);
 125         if (tmp != NULL)
 126             exp = g_string_free (tmp, FALSE);
 127         else
 128             exp = g_strdup ("");
 129     }
 130 #endif
 131 
 132     mcview_search_deinit (view);
 133     view->last_search_string = exp;
 134 
 135     return mcview_search_init (view);
 136 }
 137 
 138 /* --------------------------------------------------------------------------------------------- */
 139 
 140 gboolean
 141 mcview_dialog_goto (WView * view, off_t * offset)
     /*   */
 142 {
 143     typedef enum
 144     {
 145         MC_VIEW_GOTO_LINENUM = 0,
 146         MC_VIEW_GOTO_PERCENT = 1,
 147         MC_VIEW_GOTO_OFFSET_DEC = 2,
 148         MC_VIEW_GOTO_OFFSET_HEX = 3
 149     } mcview_goto_type_t;
 150 
 151     const char *mc_view_goto_str[] = {
 152         N_("&Line number"),
 153         N_("Pe&rcents"),
 154         N_("&Decimal offset"),
 155         N_("He&xadecimal offset")
 156     };
 157 
 158     static mcview_goto_type_t current_goto_type = MC_VIEW_GOTO_LINENUM;
 159 
 160     size_t num_of_types;
 161     char *exp = NULL;
 162     int qd_result;
 163     gboolean res;
 164 
 165     num_of_types = G_N_ELEMENTS (mc_view_goto_str);
 166 
 167 #ifdef ENABLE_NLS
 168     {
 169         size_t i;
 170 
 171         for (i = 0; i < num_of_types; i++)
 172             mc_view_goto_str[i] = _(mc_view_goto_str[i]);
 173     }
 174 #endif
 175 
 176     {
 177         quick_widget_t quick_widgets[] = {
 178             /* *INDENT-OFF* */
 179             QUICK_INPUT (INPUT_LAST_TEXT, MC_HISTORY_VIEW_GOTO, &exp, NULL,
 180                          FALSE, FALSE, INPUT_COMPLETE_NONE),
 181             QUICK_RADIO (num_of_types, (const char **) mc_view_goto_str, (int *) &current_goto_type,
 182                          NULL),
 183             QUICK_BUTTONS_OK_CANCEL,
 184             QUICK_END
 185             /* *INDENT-ON* */
 186         };
 187 
 188         WRect r = { -1, -1, 0, 40 };
 189 
 190         quick_dialog_t qdlg = {
 191             r, N_("Goto"), "[Input Line Keys]",
 192             quick_widgets, NULL, NULL
 193         };
 194 
 195         /* run dialog */
 196         qd_result = quick_dialog (&qdlg);
 197     }
 198 
 199     *offset = -1;
 200 
 201     /* check input line value */
 202     res = (qd_result != B_CANCEL && exp[0] != '\0');
 203     if (res)
 204     {
 205         int base = (current_goto_type == MC_VIEW_GOTO_OFFSET_HEX) ? 16 : 10;
 206         off_t addr;
 207         char *error;
 208 
 209         addr = (off_t) g_ascii_strtoll (exp, &error, base);
 210         if ((*error == '\0') && (addr >= 0))
 211         {
 212             switch (current_goto_type)
 213             {
 214             case MC_VIEW_GOTO_LINENUM:
 215                 /* Line number entered by user is 1-based. */
 216                 if (addr > 0)
 217                     addr--;
 218                 mcview_coord_to_offset (view, offset, addr, 0);
 219                 *offset = mcview_bol (view, *offset, 0);
 220                 break;
 221             case MC_VIEW_GOTO_PERCENT:
 222                 if (addr > 100)
 223                     addr = 100;
 224                 /* read all data from pipe to get real size */
 225                 if (view->growbuf_in_use)
 226                     mcview_growbuf_read_all_data (view);
 227                 *offset = addr * mcview_get_filesize (view) / 100;
 228                 if (!view->mode_flags.hex)
 229                     *offset = mcview_bol (view, *offset, 0);
 230                 break;
 231             case MC_VIEW_GOTO_OFFSET_DEC:
 232             case MC_VIEW_GOTO_OFFSET_HEX:
 233                 if (!view->mode_flags.hex)
 234                 {
 235                     if (view->growbuf_in_use)
 236                         mcview_growbuf_read_until (view, addr);
 237 
 238                     *offset = mcview_bol (view, addr, 0);
 239                 }
 240                 else
 241                 {
 242                     /* read all data from pipe to get real size */
 243                     if (view->growbuf_in_use)
 244                         mcview_growbuf_read_all_data (view);
 245 
 246                     *offset = addr;
 247                     addr = mcview_get_filesize (view);
 248                     if (*offset > addr)
 249                         *offset = addr;
 250                 }
 251                 break;
 252             default:
 253                 *offset = 0;
 254                 break;
 255             }
 256         }
 257     }
 258 
 259     g_free (exp);
 260     return res;
 261 }
 262 
 263 /* --------------------------------------------------------------------------------------------- */
/* */
root/src/viewer/dialogs.c

DEFINITIONS
