edit/editcmd_dialogs.c

   1 /*
   2    Editor dialogs for high level editing commands
   3
   4    Copyright (C) 2009 The Free Software Foundation, Inc.
   5
   6    Written by:
   7    Slava Zanko <slavazanko@gmail.com>, 2009.
   8
   9    This file is part of the Midnight Commander.
  10
  11    The Midnight Commander is free software; you can redistribute it
  12    and/or modify it under the terms of the GNU General Public License as
  13    published by the Free Software Foundation; either version 2 of the
  14    License, or (at your option) any later version.
  15
  16    The Midnight Commander is distributed in the hope that it will be
  17    useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  18    of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19    General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program; if not, write to the Free Software
  23    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  24    MA 02110-1301, USA.
  25  */
  26
  27 #include <config.h>
  28
  29 #include "../src/global.h"
  30
  31 #include "../src/tty/tty.h"
  32 #include "../src/tty/color.h"           /* INPUT_COLOR */
  33 #include "../src/tty/key.h"
  34
  35 #include "../src/search/search.h"
  36
  37 #include "../src/strutil.h"
  38 #include "../src/widget.h"
  39 #include "../src/wtools.h"
  40 #include "../src/dialog.h"      /* do_refresh() */
  41 #include "../src/main.h"
  42 #include "../src/history.h"
  43
  44 #include "../edit/edit-widget.h"
  45 #include "../edit/etags.h"
  46 #include "../edit/editcmd_dialogs.h"
  47
  48
  49 /*** global variables **************************************************/
  50
  51 /*** file scope macro definitions **************************************/
  52
  53 #define SEARCH_DLG_WIDTH 58
  54 #define SEARCH_DLG_MIN_HEIGHT 13
  55 #define SEARCH_DLG_HEIGHT_SUPPLY 3
  56
  57 #define REPLACE_DLG_WIDTH 58
  58 #define REPLACE_DLG_MIN_HEIGHT 17
  59 #define REPLACE_DLG_HEIGHT_SUPPLY 5
  60
  61 /*** file scope type declarations **************************************/
  62
  63 /*** file scope variables **********************************************/
  64
  65
  66 /*** file scope functions **********************************************/
  67
  68 static cb_ret_t
  69 editcmd_dialog_raw_key_query_cb (struct Dlg_head *h, dlg_msg_t msg, int parm)
  70 {
  71     switch (msg) {
  72     case DLG_KEY:
  73         dlg_stop (h);
  74         h->ret_value = parm;
  75         return MSG_HANDLED;
  76     default:
  77         return default_dlg_callback (h, msg, parm);
  78     }
  79 }
  80
  81 /*** public functions **************************************************/
  82
  83 void
  84 editcmd_dialog_replace_show (WEdit * edit, const char *search_default, const char *replace_default,
  85                              /*@out@ */ char **search_text, /*@out@ */ char **replace_text)
  86 {
  87     if (*search_default == '\0')
  88         search_default = INPUT_LAST_TEXT;
  89
  90     {
  91         gchar **list_of_types = mc_search_get_types_strings_array();
  92         int REPLACE_DLG_HEIGHT = REPLACE_DLG_MIN_HEIGHT + g_strv_length (list_of_types) - REPLACE_DLG_HEIGHT_SUPPLY;
  93
  94         QuickWidget quick_widgets[] =
  95         {
  96             /*  0 */ QUICK_BUTTON (6, 10, 13, REPLACE_DLG_HEIGHT, N_("&Cancel"), B_CANCEL, NULL),
  97             /*  1 */ QUICK_BUTTON (2, 10, 13, REPLACE_DLG_HEIGHT, N_("&OK"),     B_ENTER,  NULL),
  98 #ifdef HAVE_CHARSET
  99             /*  2 */ QUICK_CHECKBOX (33, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("All charsets"), &edit->all_codepages),
 100 #endif
 101             /*  3 */ QUICK_CHECKBOX (33, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("&Whole words"), &edit->whole_words),
 102             /*  4 */ QUICK_CHECKBOX (33, REPLACE_DLG_WIDTH,  9, REPLACE_DLG_HEIGHT, N_("In se&lection"), &edit->only_in_selection),
 103             /*  5 */ QUICK_CHECKBOX (33, REPLACE_DLG_WIDTH,  8, REPLACE_DLG_HEIGHT, N_("&Backwards"), &edit->replace_backwards),
 104             /*  6 */ QUICK_CHECKBOX (33, REPLACE_DLG_WIDTH,  7, REPLACE_DLG_HEIGHT, N_("case &Sensitive"), &edit->replace_case),
 105             /*  7 */ QUICK_RADIO (3, REPLACE_DLG_WIDTH,   7, REPLACE_DLG_HEIGHT,
 106                                 g_strv_length (list_of_types), (const char **) list_of_types, &edit->search_type),
 107             /*  8 */ QUICK_LABEL (2, REPLACE_DLG_WIDTH,   4, REPLACE_DLG_HEIGHT, N_(" Enter replacement string:")),
 108             /*  9 */ QUICK_INPUT (3, REPLACE_DLG_WIDTH,   5, REPLACE_DLG_HEIGHT,
 109                                 replace_default, REPLACE_DLG_WIDTH - 6, 0, "replace", replace_text),
 110             /* 10 */ QUICK_LABEL (2, REPLACE_DLG_WIDTH,   2, REPLACE_DLG_HEIGHT, N_(" Enter search string:")),
 111             /* 11 */ QUICK_INPUT (3, REPLACE_DLG_WIDTH,   3, REPLACE_DLG_HEIGHT,
 112                                 search_default, REPLACE_DLG_WIDTH - 6, 0, MC_HISTORY_SHARED_SEARCH, search_text),
 113             QUICK_END
 114         };
 115
 116         QuickDialog Quick_input =
 117         {
 118             REPLACE_DLG_WIDTH, REPLACE_DLG_HEIGHT, -1, -1, N_(" Replace "),
 119             "[Input Line Keys]", quick_widgets, FALSE
 120         };
 121
 122         if (quick_dialog (&Quick_input) != B_CANCEL) {
 123             edit->replace_mode = 0;
 124         } else {
 125             *replace_text = NULL;
 126             *search_text = NULL;
 127         }
 128
 129         g_strfreev (list_of_types);
 130     }
 131 }
 132
 133 /* --------------------------------------------------------------------------------------------- */
 134
 135 void
 136 editcmd_dialog_search_show (WEdit * edit, char **search_text)
 137 {
 138     if (*search_text == '\0')
 139         *search_text = INPUT_LAST_TEXT;
 140
 141     {
 142         gchar **list_of_types = mc_search_get_types_strings_array();
 143         int SEARCH_DLG_HEIGHT = SEARCH_DLG_MIN_HEIGHT + g_strv_length (list_of_types) - SEARCH_DLG_HEIGHT_SUPPLY;
 144
 145         QuickWidget quick_widgets[] =
 146         {
 147             /* 0 */ QUICK_BUTTON (6, 10, 11, SEARCH_DLG_HEIGHT, N_("&Cancel"), B_CANCEL, NULL),
 148             /* 1 */ QUICK_BUTTON (2, 10, 11, SEARCH_DLG_HEIGHT, N_("&OK"),     B_ENTER,  NULL),
 149 #ifdef HAVE_CHARSET
 150             /* 2 */ QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 9, SEARCH_DLG_HEIGHT, N_("All charsets"), &edit->all_codepages),
 151 #endif
 152             /* 3 */ QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 8, SEARCH_DLG_HEIGHT, N_("&Whole words"), &edit->whole_words),
 153             /* 4 */ QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 7, SEARCH_DLG_HEIGHT, N_("In se&lection"), &edit->only_in_selection),
 154             /* 5 */ QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("&Backwards"), &edit->replace_backwards),
 155             /* 6 */ QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("case &Sensitive"), &edit->replace_case),
 156             /* 7 */ QUICK_RADIO ( 3, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT,
 157                                     g_strv_length (list_of_types), (const char **) list_of_types, &edit->search_type),
 158             /* 8 */ QUICK_INPUT (3, SEARCH_DLG_WIDTH, 3, SEARCH_DLG_HEIGHT,
 159                                     *search_text, SEARCH_DLG_WIDTH - 6, 0, MC_HISTORY_SHARED_SEARCH, search_text),
 160             /* 9 */ QUICK_LABEL (2, SEARCH_DLG_WIDTH, 2, SEARCH_DLG_HEIGHT, N_(" Enter search string:")),
 161             QUICK_END
 162         };
 163
 164         QuickDialog Quick_input =
 165         {
 166             SEARCH_DLG_WIDTH, SEARCH_DLG_HEIGHT, -1, -1, N_("Search"),
 167             "[Input Line Keys]", quick_widgets, FALSE
 168         };
 169
 170         if (quick_dialog (&Quick_input) == B_CANCEL)
 171             *search_text = NULL;
 172     }
 173 }
 174
 175 /* --------------------------------------------------------------------------------------------- */
 176
 177 /* gets a raw key from the keyboard. Passing cancel = 1 draws
 178    a cancel button thus allowing c-c etc.  Alternatively, cancel = 0
 179    will return the next key pressed.  ctrl-a (=B_CANCEL), ctrl-g, ctrl-c,
 180    and Esc are cannot returned */
 181
 182 int
 183 editcmd_dialog_raw_key_query (const char *heading, const char *query, int cancel)
 184 {
 185     int w = str_term_width1 (query) + 7;
 186     struct Dlg_head *raw_dlg =
 187         create_dlg (0, 0, 7, w, dialog_colors, editcmd_dialog_raw_key_query_cb,
 188                     NULL, heading,
 189                     DLG_CENTER | DLG_TRYUP | DLG_WANT_TAB);
 190     add_widget (raw_dlg,
 191                 input_new (3 - cancel, w - 5, INPUT_COLOR, 2, "", 0, INPUT_COMPLETE_DEFAULT));
 192     add_widget (raw_dlg, label_new (3 - cancel, 2, query));
 193     if (cancel)
 194         add_widget (raw_dlg, button_new (4, w / 2 - 5, B_CANCEL, NORMAL_BUTTON, _("Cancel"), 0));
 195     w = run_dlg (raw_dlg);
 196     destroy_dlg (raw_dlg);
 197     if (cancel) {
 198         if (w == XCTRL ('g') || w == XCTRL ('c') || w == ESC_CHAR || w == B_CANCEL)
 199             return 0;
 200     }
 201
 202     return w;
 203 }
 204
 205 /* --------------------------------------------------------------------------------------------- */
 206
 207 /* let the user select its preferred completion */
 208 void
 209 editcmd_dialog_completion_show (WEdit * edit, int max_len, int word_len,
 210                                 struct selection *compl, int num_compl)
 211 {
 212
 213     int start_x, start_y, offset, i;
 214     char *curr = NULL;
 215     Dlg_head *compl_dlg;
 216     WListbox *compl_list;
 217     int compl_dlg_h;            /* completion dialog height */
 218     int compl_dlg_w;            /* completion dialog width */
 219
 220     /* calculate the dialog metrics */
 221     compl_dlg_h = num_compl + 2;
 222     compl_dlg_w = max_len + 4;
 223     start_x = edit->curs_col + edit->start_col - (compl_dlg_w / 2) +
 224               EDIT_TEXT_HORIZONTAL_OFFSET + option_line_state_width;
 225     start_y = edit->curs_row + EDIT_TEXT_VERTICAL_OFFSET + 1;
 226
 227     if (start_x < 0)
 228         start_x = 0;
 229     if (compl_dlg_w > COLS)
 230         compl_dlg_w = COLS;
 231     if (compl_dlg_h > LINES - 2)
 232         compl_dlg_h = LINES - 2;
 233
 234     offset = start_x + compl_dlg_w - COLS;
 235     if (offset > 0)
 236         start_x -= offset;
 237     offset = start_y + compl_dlg_h - LINES;
 238     if (offset > 0)
 239         start_y -= (offset + 1);
 240
 241     /* create the dialog */
 242     compl_dlg =
 243         create_dlg (start_y, start_x, compl_dlg_h, compl_dlg_w,
 244                     dialog_colors, NULL, "[Completion]", NULL, DLG_COMPACT);
 245
 246     /* create the listbox */
 247     compl_list = listbox_new (1, 1, compl_dlg_h - 2, compl_dlg_w - 2, NULL);
 248
 249     /* add the dialog */
 250     add_widget (compl_dlg, compl_list);
 251
 252     /* fill the listbox with the completions */
 253     for (i = 0; i < num_compl; i++)
 254         listbox_add_item (compl_list, LISTBOX_APPEND_AT_END, 0, (char *) compl[i].text, NULL);
 255
 256     /* pop up the dialog and apply the choosen completion */
 257     if (run_dlg (compl_dlg) == B_ENTER) {
 258         listbox_get_current (compl_list, &curr, NULL);
 259         if (curr)
 260             for (curr += word_len; *curr; curr++)
 261                 edit_insert (edit, *curr);
 262     }
 263
 264     /* destroy dialog before return */
 265     destroy_dlg (compl_dlg);
 266 }
 267
 268 /* --------------------------------------------------------------------------------------------- */
 269
 270 /* let the user select where function definition */
 271 void
 272 editcmd_dialog_select_definition_show (WEdit * edit, char *match_expr, int max_len, int word_len,
 273                                        etags_hash_t * def_hash, int num_lines)
 274 {
 275
 276     int start_x, start_y, offset, i;
 277     char *curr = NULL;
 278     etags_hash_t *curr_def = NULL;
 279     Dlg_head *def_dlg;
 280     WListbox *def_list;
 281     int def_dlg_h;              /* dialog height */
 282     int def_dlg_w;              /* dialog width */
 283     char *label_def = NULL;
 284
 285     (void) word_len;
 286     /* calculate the dialog metrics */
 287     def_dlg_h = num_lines + 2;
 288     def_dlg_w = max_len + 4;
 289     start_x = edit->curs_col + edit->start_col - (def_dlg_w / 2) +
 290               EDIT_TEXT_HORIZONTAL_OFFSET + option_line_state_width;
 291     start_y = edit->curs_row + EDIT_TEXT_VERTICAL_OFFSET + 1;
 292
 293     if (start_x < 0)
 294         start_x = 0;
 295     if (def_dlg_w > COLS)
 296         def_dlg_w = COLS;
 297     if (def_dlg_h > LINES - 2)
 298         def_dlg_h = LINES - 2;
 299
 300     offset = start_x + def_dlg_w - COLS;
 301     if (offset > 0)
 302         start_x -= offset;
 303     offset = start_y + def_dlg_h - LINES;
 304     if (offset > 0)
 305         start_y -= (offset + 1);
 306
 307     /* create the dialog */
 308     def_dlg = create_dlg (start_y, start_x, def_dlg_h, def_dlg_w,
 309                           dialog_colors, NULL, "[Definitions]", match_expr, DLG_COMPACT);
 310
 311     /* create the listbox */
 312     def_list = listbox_new (1, 1, def_dlg_h - 2, def_dlg_w - 2, NULL);
 313
 314     /* add the dialog */
 315     add_widget (def_dlg, def_list);
 316
 317
 318     /* fill the listbox with the completions */
 319     for (i = 0; i < num_lines; i++) {
 320         label_def =
 321             g_strdup_printf ("%s -> %s:%ld", def_hash[i].short_define, def_hash[i].filename,
 322                              def_hash[i].line);
 323         listbox_add_item (def_list, LISTBOX_APPEND_AT_END, 0, label_def, &def_hash[i]);
 324         g_free (label_def);
 325     }
 326     /* pop up the dialog */
 327     run_dlg (def_dlg);
 328
 329     /* apply the choosen completion */
 330     if (def_dlg->ret_value == B_ENTER) {
 331         char *tmp_curr_def = (char *) curr_def;
 332         int do_moveto = 0;
 333
 334         listbox_get_current (def_list, &curr, &tmp_curr_def);
 335         curr_def = (etags_hash_t *) tmp_curr_def;
 336         if (edit->modified) {
 337             if (!edit_query_dialog2
 338                 (_("Warning"),
 339                  _(" Current text was modified without a file save. \n"
 340                    " Continue discards these changes. "), _("C&ontinue"), _("&Cancel"))) {
 341                 edit->force |= REDRAW_COMPLETELY;
 342                 do_moveto = 1;
 343             }
 344         } else {
 345             do_moveto = 1;
 346         }
 347         if (curr && do_moveto) {
 348             if (edit_stack_iterator + 1 < MAX_HISTORY_MOVETO) {
 349                 g_free (edit_history_moveto[edit_stack_iterator].filename);
 350                 if (edit->dir) {
 351                     edit_history_moveto[edit_stack_iterator].filename =
 352                         g_strdup_printf ("%s/%s", edit->dir, edit->filename);
 353                 } else {
 354                     edit_history_moveto[edit_stack_iterator].filename = g_strdup (edit->filename);
 355                 }
 356                 edit_history_moveto[edit_stack_iterator].line = edit->start_line +
 357                     edit->curs_row + 1;
 358                 edit_stack_iterator++;
 359                 g_free (edit_history_moveto[edit_stack_iterator].filename);
 360                 edit_history_moveto[edit_stack_iterator].filename =
 361                     g_strdup ((char *) curr_def->fullpath);
 362                 edit_history_moveto[edit_stack_iterator].line = curr_def->line;
 363                 edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename,
 364                                   edit_history_moveto[edit_stack_iterator].line);
 365             }
 366         }
 367     }
 368
 369     /* clear definition hash */
 370     for (i = 0; i < MAX_DEFINITIONS; i++) {
 371         g_free (def_hash[i].filename);
 372     }
 373
 374     /* destroy dialog before return */
 375     destroy_dlg (def_dlg);
 376 }
 377
 378 /* --------------------------------------------------------------------------------------------- */
 379
 380 int
 381 editcmd_dialog_replace_prompt_show (WEdit * edit, char *from_text, char *to_text, int xpos, int ypos)
 382 {
 383     /* dialog sizes */
 384     int dlg_height = 9;
 385     int dlg_width = 8;
 386
 387     int retval;
 388     int i;
 389     int btn_pos;
 390
 391     char *repl_from, *repl_to;
 392     char tmp [BUF_MEDIUM];
 393
 394     QuickWidget quick_widgets[] =
 395     {
 396         /* 0 */ QUICK_BUTTON (44, dlg_width, 6, dlg_height, N_("&Cancel"),  B_CANCEL,       NULL),
 397         /* 1 */ QUICK_BUTTON (29, dlg_width, 6, dlg_height, N_("&Skip"),    B_SKIP_REPLACE, NULL),
 398         /* 2 */ QUICK_BUTTON (21, dlg_width, 6, dlg_height, N_("A&ll"),     B_REPLACE_ALL,  NULL),
 399         /* 3 */ QUICK_BUTTON ( 4, dlg_width, 6, dlg_height, N_("&Replace"), B_ENTER,        NULL),
 400         /* 4 */ QUICK_LABEL  ( 3, dlg_width, 2, dlg_height, NULL),
 401         /* 5 */ QUICK_LABEL  ( 2, dlg_width, 3, dlg_height, N_(" Replace with: ")),
 402         /* 6 */ QUICK_LABEL  ( 3, dlg_width, 4, dlg_height, NULL),
 403         QUICK_END
 404     };
 405
 406 #ifdef ENABLE_NLS
 407         for (i = 0; i < 4; i++)
 408             quick_widgets[i].u.button.text = _(quick_widgets[i].u.button.text);
 409 #endif
 410
 411     /* calculate button positions */
 412     btn_pos = 4;
 413
 414     for (i = 3; i > -1; i--) {
 415         quick_widgets[i].relative_x = btn_pos;
 416         btn_pos += str_term_width1 (quick_widgets[i].u.button.text) + 5;
 417         if (i == 3) /* default button */
 418             btn_pos += 2;
 419     }
 420
 421     dlg_width = btn_pos + 2;
 422
 423     /* correct widget coordinates */
 424     for (i = 0; i <  7; i++)
 425         quick_widgets[i].x_divisions = dlg_width;
 426
 427     g_snprintf (tmp, sizeof (tmp), " '%s'", from_text);
 428     repl_from = g_strdup (str_fit_to_term (tmp, dlg_width - 7, J_LEFT));
 429
 430     g_snprintf (tmp, sizeof (tmp), " '%s'", to_text);
 431     repl_to =  g_strdup (str_fit_to_term (tmp, dlg_width - 7, J_LEFT));
 432
 433     quick_widgets[4].u.label.text = repl_from;
 434     quick_widgets[6].u.label.text = repl_to;
 435
 436     if (xpos == -1)
 437         xpos = (edit->num_widget_columns - dlg_width) / 2;
 438
 439     if (ypos == -1)
 440         ypos = edit->num_widget_lines * 2 / 3;
 441
 442     {
 443         QuickDialog Quick_input =
 444         {
 445             dlg_width, dlg_height, 0, 0, N_ (" Confirm replace "),
 446             "[Input Line Keys]", quick_widgets, FALSE
 447         };
 448
 449         /* Sometimes menu can hide replaced text. I don't like it */
 450         if ((edit->curs_row >= ypos - 1) && (edit->curs_row <= ypos + dlg_height - 1))
 451             ypos -= dlg_height;
 452
 453         Quick_input.ypos = ypos;
 454         Quick_input.xpos = xpos;
 455
 456         retval = quick_dialog (&Quick_input);
 457         g_free (repl_from);
 458         g_free (repl_to);
 459
 460         return retval;
 461     }
 462 }
 463
 464 /* --------------------------------------------------------------------------------------------- */