src/viewer/dialogs.c

src/viewer/dialogs.c
Manual pages: mc • mcdiff • mcedit • mcview
/* */
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 #include "lib/charsets.h"
  46 
  47 #include "src/history.h"
  48 
  49 #include "internal.h"
  50 
  51 /*** global variables ****************************************************************************/
  52 
  53 /*** file scope macro definitions ****************************************************************/
  54 
  55 /*** file scope type declarations ****************************************************************/
  56 
  57 /*** file scope variables ************************************************************************/
  58 
  59 /*** file scope functions ************************************************************************/
  60 /* --------------------------------------------------------------------------------------------- */
  61 
  62 /* --------------------------------------------------------------------------------------------- */
  63 /*** public functions ****************************************************************************/
  64 /* --------------------------------------------------------------------------------------------- */
  65 
  66 gboolean
  67 mcview_dialog_search (WView *view)
     /*   */
  68 {
  69     char *exp = NULL;
  70     int qd_result;
  71     size_t num_of_types = 0;
  72     gchar **list_of_types;
  73 
  74     list_of_types = mc_search_get_types_strings_array (&num_of_types);
  75 
  76     {
  77         quick_widget_t quick_widgets[] = {
  78             // clang-format off
  79             QUICK_LABELED_INPUT (N_ ("Enter search string:"), input_label_above, INPUT_LAST_TEXT,
  80                                  MC_HISTORY_SHARED_SEARCH, &exp, NULL, FALSE, FALSE,
  81                                  INPUT_COMPLETE_NONE),
  82             QUICK_SEPARATOR (TRUE),
  83             QUICK_START_COLUMNS,
  84                 QUICK_RADIO (num_of_types, (const char **) list_of_types,
  85                              (int *) &mcview_search_options.type, NULL),
  86             QUICK_NEXT_COLUMN,
  87                 QUICK_CHECKBOX (N_ ("Cas&e sensitive"), &mcview_search_options.case_sens, NULL),
  88                 QUICK_CHECKBOX (N_ ("&Backwards"), &mcview_search_options.backwards, NULL),
  89                 QUICK_CHECKBOX (N_ ("&Whole words"), &mcview_search_options.whole_words, NULL),
  90                 QUICK_CHECKBOX (N_ ("&All charsets"), &mcview_search_options.all_codepages, NULL),
  91             QUICK_STOP_COLUMNS,
  92             QUICK_BUTTONS_OK_CANCEL,
  93             QUICK_END,
  94             // clang-format on
  95         };
  96 
  97         WRect r = { -1, -1, 0, 58 };
  98 
  99         quick_dialog_t qdlg = {
 100             .rect = r,
 101             .title = N_ ("Search"),
 102             .help = "[Input Line Keys]",
 103             .widgets = quick_widgets,
 104             .callback = NULL,
 105             .mouse_callback = 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     {
 120         GString *tmp;
 121 
 122         tmp = str_convert_to_input (exp);
 123         g_free (exp);
 124         if (tmp != NULL)
 125             exp = g_string_free (tmp, FALSE);
 126         else
 127             exp = g_strdup ("");
 128     }
 129 
 130     mcview_search_deinit (view);
 131     view->last_search_string = exp;
 132 
 133     return mcview_search_init (view);
 134 }
 135 
 136 /* --------------------------------------------------------------------------------------------- */
 137 
 138 gboolean
 139 mcview_dialog_goto (WView *view, off_t *offset)
     /*   */
 140 {
 141     typedef enum
 142     {
 143         MC_VIEW_GOTO_LINENUM = 0,
 144         MC_VIEW_GOTO_PERCENT = 1,
 145         MC_VIEW_GOTO_OFFSET_DEC = 2,
 146         MC_VIEW_GOTO_OFFSET_HEX = 3
 147     } mcview_goto_type_t;
 148 
 149     const char *mc_view_goto_str[] = {
 150         N_ ("&Line number"),
 151         N_ ("Pe&rcents"),
 152         N_ ("&Decimal offset"),
 153         N_ ("He&xadecimal offset"),
 154     };
 155 
 156     static mcview_goto_type_t current_goto_type = MC_VIEW_GOTO_LINENUM;
 157 
 158     size_t num_of_types;
 159     char *exp = NULL;
 160     int qd_result;
 161     gboolean res;
 162 
 163     num_of_types = G_N_ELEMENTS (mc_view_goto_str);
 164 
 165 #ifdef ENABLE_NLS
 166     {
 167         size_t i;
 168 
 169         for (i = 0; i < num_of_types; i++)
 170             mc_view_goto_str[i] = _ (mc_view_goto_str[i]);
 171     }
 172 #endif
 173 
 174     {
 175         quick_widget_t quick_widgets[] = {
 176             QUICK_INPUT (INPUT_LAST_TEXT, MC_HISTORY_VIEW_GOTO, &exp, NULL, FALSE, FALSE,
 177                          INPUT_COMPLETE_NONE),
 178             QUICK_RADIO (num_of_types, (const char **) mc_view_goto_str, (int *) &current_goto_type,
 179                          NULL),
 180             QUICK_BUTTONS_OK_CANCEL,
 181             QUICK_END,
 182         };
 183 
 184         WRect r = { -1, -1, 0, 40 };
 185 
 186         quick_dialog_t qdlg = {
 187             .rect = r,
 188             .title = N_ ("Goto"),
 189             .help = "[Input Line Keys]",
 190             .widgets = quick_widgets,
 191             .callback = NULL,
 192             .mouse_callback = 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
