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) 1994-2025
   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 <https://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             // clang-format off
  81             QUICK_LABELED_INPUT (N_ ("Enter search string:"), input_label_above, INPUT_LAST_TEXT,
  82                                  MC_HISTORY_SHARED_SEARCH, &exp, NULL, FALSE, FALSE,
  83                                  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             // clang-format on
  99         };
 100 
 101         WRect r = { -1, -1, 0, 58 };
 102 
 103         quick_dialog_t qdlg = {
 104             .rect = r,
 105             .title = N_ ("Search"),
 106             .help = "[Input Line Keys]",
 107             .widgets = quick_widgets,
 108             .callback = NULL,
 109             .mouse_callback = NULL,
 110         };
 111 
 112         qd_result = quick_dialog (&qdlg);
 113     }
 114 
 115     g_strfreev (list_of_types);
 116 
 117     if (qd_result == B_CANCEL || exp[0] == '\0')
 118     {
 119         g_free (exp);
 120         return FALSE;
 121     }
 122 
 123 #ifdef HAVE_CHARSET
 124     {
 125         GString *tmp;
 126 
 127         tmp = str_convert_to_input (exp);
 128         g_free (exp);
 129         if (tmp != NULL)
 130             exp = g_string_free (tmp, FALSE);
 131         else
 132             exp = g_strdup ("");
 133     }
 134 #endif
 135 
 136     mcview_search_deinit (view);
 137     view->last_search_string = exp;
 138 
 139     return mcview_search_init (view);
 140 }
 141 
 142 /* --------------------------------------------------------------------------------------------- */
 143 
 144 gboolean
 145 mcview_dialog_goto (WView *view, off_t *offset)
     /*   */
 146 {
 147     typedef enum
 148     {
 149         MC_VIEW_GOTO_LINENUM = 0,
 150         MC_VIEW_GOTO_PERCENT = 1,
 151         MC_VIEW_GOTO_OFFSET_DEC = 2,
 152         MC_VIEW_GOTO_OFFSET_HEX = 3
 153     } mcview_goto_type_t;
 154 
 155     const char *mc_view_goto_str[] = {
 156         N_ ("&Line number"),
 157         N_ ("Pe&rcents"),
 158         N_ ("&Decimal offset"),
 159         N_ ("He&xadecimal offset"),
 160     };
 161 
 162     static mcview_goto_type_t current_goto_type = MC_VIEW_GOTO_LINENUM;
 163 
 164     size_t num_of_types;
 165     char *exp = NULL;
 166     int qd_result;
 167     gboolean res;
 168 
 169     num_of_types = G_N_ELEMENTS (mc_view_goto_str);
 170 
 171 #ifdef ENABLE_NLS
 172     {
 173         size_t i;
 174 
 175         for (i = 0; i < num_of_types; i++)
 176             mc_view_goto_str[i] = _ (mc_view_goto_str[i]);
 177     }
 178 #endif
 179 
 180     {
 181         quick_widget_t quick_widgets[] = {
 182             QUICK_INPUT (INPUT_LAST_TEXT, MC_HISTORY_VIEW_GOTO, &exp, NULL, FALSE, FALSE,
 183                          INPUT_COMPLETE_NONE),
 184             QUICK_RADIO (num_of_types, (const char **) mc_view_goto_str, (int *) &current_goto_type,
 185                          NULL),
 186             QUICK_BUTTONS_OK_CANCEL,
 187             QUICK_END,
 188         };
 189 
 190         WRect r = { -1, -1, 0, 40 };
 191 
 192         quick_dialog_t qdlg = {
 193             .rect = r,
 194             .title = N_ ("Goto"),
 195             .help = "[Input Line Keys]",
 196             .widgets = quick_widgets,
 197             .callback = NULL,
 198             .mouse_callback = NULL,
 199         };
 200 
 201         // run dialog
 202         qd_result = quick_dialog (&qdlg);
 203     }
 204 
 205     *offset = -1;
 206 
 207     // check input line value
 208     res = (qd_result != B_CANCEL && exp[0] != '\0');
 209     if (res)
 210     {
 211         int base = (current_goto_type == MC_VIEW_GOTO_OFFSET_HEX) ? 16 : 10;
 212         off_t addr;
 213         char *error;
 214 
 215         addr = (off_t) g_ascii_strtoll (exp, &error, base);
 216         if ((*error == '\0') && (addr >= 0))
 217         {
 218             switch (current_goto_type)
 219             {
 220             case MC_VIEW_GOTO_LINENUM:
 221                 // Line number entered by user is 1-based.
 222                 if (addr > 0)
 223                     addr--;
 224                 mcview_coord_to_offset (view, offset, addr, 0);
 225                 *offset = mcview_bol (view, *offset, 0);
 226                 break;
 227             case MC_VIEW_GOTO_PERCENT:
 228                 if (addr > 100)
 229                     addr = 100;
 230                 // read all data from pipe to get real size
 231                 if (view->growbuf_in_use)
 232                     mcview_growbuf_read_all_data (view);
 233                 *offset = addr * mcview_get_filesize (view) / 100;
 234                 if (!view->mode_flags.hex)
 235                     *offset = mcview_bol (view, *offset, 0);
 236                 break;
 237             case MC_VIEW_GOTO_OFFSET_DEC:
 238             case MC_VIEW_GOTO_OFFSET_HEX:
 239                 if (!view->mode_flags.hex)
 240                 {
 241                     if (view->growbuf_in_use)
 242                         mcview_growbuf_read_until (view, addr);
 243 
 244                     *offset = mcview_bol (view, addr, 0);
 245                 }
 246                 else
 247                 {
 248                     // read all data from pipe to get real size
 249                     if (view->growbuf_in_use)
 250                         mcview_growbuf_read_all_data (view);
 251 
 252                     *offset = addr;
 253                     addr = mcview_get_filesize (view);
 254                     if (*offset > addr)
 255                         *offset = addr;
 256                 }
 257                 break;
 258             default:
 259                 *offset = 0;
 260                 break;
 261             }
 262         }
 263     }
 264 
 265     g_free (exp);
 266     return res;
 267 }
 268 
 269 /* --------------------------------------------------------------------------------------------- */
/* */
root/src/viewer/dialogs.c

DEFINITIONS
