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 11
  55 #define SEARCH_DLG_HEIGHT_SUPPLY 3
  56
  57 #define REPLACE_DLG_WIDTH 58
  58 #define REPLACE_DLG_MIN_HEIGHT 16
  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         h->running = 0;
  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     int treplace_backwards = edit->replace_backwards;
  88     int treplace_case = edit->replace_case;
  89     int tall_codepages = edit->all_codepages;
  90     mc_search_type_t ttype_of_search = edit->search_type;
  91     int dialog_result;
  92     gchar **list_of_types = mc_search_get_types_strings_array();
  93
  94     int REPLACE_DLG_HEIGHT = REPLACE_DLG_MIN_HEIGHT + g_strv_length (list_of_types) - REPLACE_DLG_HEIGHT_SUPPLY;
  95
  96     if (!*search_default)
  97         search_default = INPUT_LAST_TEXT;
  98
  99     QuickWidget quick_widgets[] = {
 100
 101         {quick_button, 6, 10, 12, REPLACE_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL,
 102          0, 0, NULL, NULL, NULL},
 103
 104         {quick_button, 2, 10, 12, REPLACE_DLG_HEIGHT, N_("&OK"), 0, B_ENTER,
 105          0, 0, NULL, NULL, NULL},
 106
 107 #ifdef HAVE_CHARSET
 108         {quick_checkbox, 33, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("All charsets"), 0, 0,
 109          &tall_codepages, 0, NULL, NULL, NULL},
 110 #endif
 111
 112         {quick_checkbox, 33, REPLACE_DLG_WIDTH, 8, REPLACE_DLG_HEIGHT, N_("&Backwards"), 0, 0,
 113          &treplace_backwards, 0, NULL, NULL, NULL},
 114
 115         {quick_checkbox, 33, REPLACE_DLG_WIDTH, 7, REPLACE_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
 116          &treplace_case, 0, NULL, NULL, NULL},
 117
 118
 119         {quick_radio, 3, REPLACE_DLG_WIDTH, 7, REPLACE_DLG_HEIGHT, "", g_strv_length (list_of_types), ttype_of_search,
 120          (void *) &ttype_of_search, const_cast (char **, list_of_types), NULL, NULL, NULL},
 121
 122         {quick_label, 2, REPLACE_DLG_WIDTH, 4, REPLACE_DLG_HEIGHT, N_(" Enter replacement string:"),
 123          0, 0, 0, 0, 0, NULL, NULL},
 124
 125         {quick_input, 3, REPLACE_DLG_WIDTH, 5, REPLACE_DLG_HEIGHT, replace_default, 52, 0,
 126          0, replace_text, "replace", NULL, NULL},
 127
 128
 129         {quick_label, 2, REPLACE_DLG_WIDTH, 2, REPLACE_DLG_HEIGHT, N_(" Enter search string:"), 0,
 130          0, 0, 0, 0, NULL, NULL},
 131
 132         {quick_input, 3, REPLACE_DLG_WIDTH, 3, REPLACE_DLG_HEIGHT, search_default, 52, 0,
 133          0, search_text, MC_HISTORY_SHARED_SEARCH, NULL, NULL},
 134
 135
 136         NULL_QuickWidget
 137     };
 138
 139
 140     QuickDialog Quick_input = {
 141         REPLACE_DLG_WIDTH,
 142         REPLACE_DLG_HEIGHT,
 143         -1,
 144         0,
 145         N_(" Replace "),
 146         "[Input Line Keys]",
 147         quick_widgets,
 148         0
 149     };
 150
 151     dialog_result = quick_dialog (&Quick_input);
 152     g_strfreev (list_of_types);
 153
 154     if (dialog_result != B_CANCEL) {
 155         edit->search_type = ttype_of_search;
 156         edit->replace_mode = 0;
 157         edit->all_codepages = tall_codepages;
 158         edit->replace_backwards = treplace_backwards;
 159         edit->replace_case = treplace_case;
 160         return;
 161     } else {
 162         *replace_text = NULL;
 163         *search_text = NULL;
 164         return;
 165     }
 166 }
 167
 168 /* --------------------------------------------------------------------------------------------- */
 169
 170 void
 171 editcmd_dialog_search_show (WEdit * edit, char **search_text)
 172 {
 173     int tsearch_case = edit->replace_case;
 174     int tsearch_backwards = edit->replace_backwards;
 175     int tall_codepages = edit->all_codepages;
 176     mc_search_type_t ttype_of_search = edit->search_type;
 177     gchar **list_of_types = mc_search_get_types_strings_array();
 178     int SEARCH_DLG_HEIGHT = SEARCH_DLG_MIN_HEIGHT + g_strv_length (list_of_types) - SEARCH_DLG_HEIGHT_SUPPLY;
 179
 180     if (!*search_text)
 181         *search_text = INPUT_LAST_TEXT;
 182
 183     QuickWidget quick_widgets[] = {
 184         {quick_button, 6, 10, 9, SEARCH_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
 185          0, NULL, NULL, NULL},
 186         {quick_button, 2, 10, 9, SEARCH_DLG_HEIGHT, N_("&OK"), 0, B_ENTER, 0,
 187          0, NULL, NULL, NULL},
 188
 189 #ifdef HAVE_CHARSET
 190         {quick_checkbox, 33, SEARCH_DLG_WIDTH, 7, SEARCH_DLG_HEIGHT, N_("All charsets"), 0, 0,
 191          &tall_codepages, 0, NULL, NULL, NULL},
 192 #endif
 193
 194         {quick_checkbox, 33, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("&Backwards"), 0, 0,
 195          &tsearch_backwards, 0, NULL, NULL, NULL},
 196         {quick_checkbox, 33, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
 197          &tsearch_case, 0, NULL, NULL, NULL},
 198
 199
 200         {quick_radio, 3, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, 0, g_strv_length (list_of_types), ttype_of_search,
 201          (void *) &ttype_of_search, const_cast (char **, list_of_types), NULL, NULL, NULL},
 202
 203         {quick_input, 3, SEARCH_DLG_WIDTH, 3, SEARCH_DLG_HEIGHT, *search_text, 52, 0, 0,
 204          search_text, MC_HISTORY_SHARED_SEARCH, NULL, NULL},
 205         {quick_label, 2, SEARCH_DLG_WIDTH, 2, SEARCH_DLG_HEIGHT, N_(" Enter search string:"), 0, 0,
 206          0, 0, 0, NULL, NULL},
 207
 208         NULL_QuickWidget
 209     };
 210
 211
 212     QuickDialog Quick_input = { SEARCH_DLG_WIDTH, SEARCH_DLG_HEIGHT, -1, 0, N_("Search"),
 213         "[Input Line Keys]", quick_widgets, 0
 214     };
 215
 216
 217     if (quick_dialog (&Quick_input) != B_CANCEL) {
 218         edit->search_type = ttype_of_search;
 219         edit->replace_backwards = tsearch_backwards;
 220         edit->all_codepages = tall_codepages;
 221         edit->replace_case = tsearch_case;
 222     } else {
 223         *search_text = NULL;
 224     }
 225 }
 226
 227 /* --------------------------------------------------------------------------------------------- */
 228
 229 /* gets a raw key from the keyboard. Passing cancel = 1 draws
 230    a cancel button thus allowing c-c etc.  Alternatively, cancel = 0
 231    will return the next key pressed.  ctrl-a (=B_CANCEL), ctrl-g, ctrl-c,
 232    and Esc are cannot returned */
 233
 234 int
 235 editcmd_dialog_raw_key_query (const char *heading, const char *query, int cancel)
 236 {
 237     int w = str_term_width1 (query) + 7;
 238     struct Dlg_head *raw_dlg =
 239         create_dlg (0, 0, 7, w, dialog_colors, editcmd_dialog_raw_key_query_cb,
 240                     NULL, heading,
 241                     DLG_CENTER | DLG_TRYUP | DLG_WANT_TAB);
 242     add_widget (raw_dlg,
 243                 input_new (3 - cancel, w - 5, INPUT_COLOR, 2, "", 0, INPUT_COMPLETE_DEFAULT));
 244     add_widget (raw_dlg, label_new (3 - cancel, 2, query));
 245     if (cancel)
 246         add_widget (raw_dlg, button_new (4, w / 2 - 5, B_CANCEL, NORMAL_BUTTON, _("Cancel"), 0));
 247     run_dlg (raw_dlg);
 248     w = raw_dlg->ret_value;
 249     destroy_dlg (raw_dlg);
 250     if (cancel) {
 251         if (w == XCTRL ('g') || w == XCTRL ('c') || w == ESC_CHAR || w == B_CANCEL)
 252             return 0;
 253     }
 254
 255     return w;
 256 }
 257
 258 /* --------------------------------------------------------------------------------------------- */
 259
 260 /* let the user select its preferred completion */
 261 void
 262 editcmd_dialog_completion_show (WEdit * edit, int max_len, int word_len,
 263                                 struct selection *compl, int num_compl)
 264 {
 265
 266     int start_x, start_y, offset, i;
 267     char *curr = NULL;
 268     Dlg_head *compl_dlg;
 269     WListbox *compl_list;
 270     int compl_dlg_h;            /* completion dialog height */
 271     int compl_dlg_w;            /* completion dialog width */
 272
 273     /* calculate the dialog metrics */
 274     compl_dlg_h = num_compl + 2;
 275     compl_dlg_w = max_len + 4;
 276     start_x = edit->curs_col + edit->start_col - (compl_dlg_w / 2) +
 277               EDIT_TEXT_HORIZONTAL_OFFSET + option_line_state_width;
 278     start_y = edit->curs_row + EDIT_TEXT_VERTICAL_OFFSET + 1;
 279
 280     if (start_x < 0)
 281         start_x = 0;
 282     if (compl_dlg_w > COLS)
 283         compl_dlg_w = COLS;
 284     if (compl_dlg_h > LINES - 2)
 285         compl_dlg_h = LINES - 2;
 286
 287     offset = start_x + compl_dlg_w - COLS;
 288     if (offset > 0)
 289         start_x -= offset;
 290     offset = start_y + compl_dlg_h - LINES;
 291     if (offset > 0)
 292         start_y -= (offset + 1);
 293
 294     /* create the dialog */
 295     compl_dlg =
 296         create_dlg (start_y, start_x, compl_dlg_h, compl_dlg_w,
 297                     dialog_colors, NULL, "[Completion]", NULL, DLG_COMPACT);
 298
 299     /* create the listbox */
 300     compl_list = listbox_new (1, 1, compl_dlg_h - 2, compl_dlg_w - 2, NULL);
 301
 302     /* add the dialog */
 303     add_widget (compl_dlg, compl_list);
 304
 305     /* fill the listbox with the completions */
 306     for (i = 0; i < num_compl; i++)
 307         listbox_add_item (compl_list, LISTBOX_APPEND_AT_END, 0, (char *) compl[i].text, NULL);
 308
 309     /* pop up the dialog */
 310     run_dlg (compl_dlg);
 311
 312     /* apply the choosen completion */
 313     if (compl_dlg->ret_value == B_ENTER) {
 314         listbox_get_current (compl_list, &curr, NULL);
 315         if (curr)
 316             for (curr += word_len; *curr; curr++)
 317                 edit_insert (edit, *curr);
 318     }
 319
 320     /* destroy dialog before return */
 321     destroy_dlg (compl_dlg);
 322 }
 323
 324 /* --------------------------------------------------------------------------------------------- */
 325
 326 /* let the user select where function definition */
 327 void
 328 editcmd_dialog_select_definition_show (WEdit * edit, char *match_expr, int max_len, int word_len,
 329                                        etags_hash_t * def_hash, int num_lines)
 330 {
 331
 332     int start_x, start_y, offset, i;
 333     char *curr = NULL;
 334     etags_hash_t *curr_def = NULL;
 335     Dlg_head *def_dlg;
 336     WListbox *def_list;
 337     int def_dlg_h;              /* dialog height */
 338     int def_dlg_w;              /* dialog width */
 339     char *label_def = NULL;
 340
 341     (void) word_len;
 342     /* calculate the dialog metrics */
 343     def_dlg_h = num_lines + 2;
 344     def_dlg_w = max_len + 4;
 345     start_x = edit->curs_col + edit->start_col - (def_dlg_w / 2) +
 346               EDIT_TEXT_HORIZONTAL_OFFSET + option_line_state_width;
 347     start_y = edit->curs_row + EDIT_TEXT_VERTICAL_OFFSET + 1;
 348
 349     if (start_x < 0)
 350         start_x = 0;
 351     if (def_dlg_w > COLS)
 352         def_dlg_w = COLS;
 353     if (def_dlg_h > LINES - 2)
 354         def_dlg_h = LINES - 2;
 355
 356     offset = start_x + def_dlg_w - COLS;
 357     if (offset > 0)
 358         start_x -= offset;
 359     offset = start_y + def_dlg_h - LINES;
 360     if (offset > 0)
 361         start_y -= (offset + 1);
 362
 363     /* create the dialog */
 364     def_dlg = create_dlg (start_y, start_x, def_dlg_h, def_dlg_w,
 365                           dialog_colors, NULL, "[Definitions]", match_expr, DLG_COMPACT);
 366
 367     /* create the listbox */
 368     def_list = listbox_new (1, 1, def_dlg_h - 2, def_dlg_w - 2, NULL);
 369
 370     /* add the dialog */
 371     add_widget (def_dlg, def_list);
 372
 373
 374     /* fill the listbox with the completions */
 375     for (i = 0; i < num_lines; i++) {
 376         label_def =
 377             g_strdup_printf ("%s -> %s:%ld", def_hash[i].short_define, def_hash[i].filename,
 378                              def_hash[i].line);
 379         listbox_add_item (def_list, LISTBOX_APPEND_AT_END, 0, label_def, &def_hash[i]);
 380         g_free (label_def);
 381     }
 382     /* pop up the dialog */
 383     run_dlg (def_dlg);
 384
 385     /* apply the choosen completion */
 386     if (def_dlg->ret_value == B_ENTER) {
 387         char *tmp_curr_def = (char *) curr_def;
 388         int do_moveto = 0;
 389
 390         listbox_get_current (def_list, &curr, &tmp_curr_def);
 391         curr_def = (etags_hash_t *) tmp_curr_def;
 392         if (edit->modified) {
 393             if (!edit_query_dialog2
 394                 (_("Warning"),
 395                  _(" Current text was modified without a file save. \n"
 396                    " Continue discards these changes. "), _("C&ontinue"), _("&Cancel"))) {
 397                 edit->force |= REDRAW_COMPLETELY;
 398                 do_moveto = 1;
 399             }
 400         } else {
 401             do_moveto = 1;
 402         }
 403         if (curr && do_moveto) {
 404             if (edit_stack_iterator + 1 < MAX_HISTORY_MOVETO) {
 405                 g_free (edit_history_moveto[edit_stack_iterator].filename);
 406                 if (edit->dir) {
 407                     edit_history_moveto[edit_stack_iterator].filename =
 408                         g_strdup_printf ("%s/%s", edit->dir, edit->filename);
 409                 } else {
 410                     edit_history_moveto[edit_stack_iterator].filename = g_strdup (edit->filename);
 411                 }
 412                 edit_history_moveto[edit_stack_iterator].line = edit->start_line +
 413                     edit->curs_row + 1;
 414                 edit_stack_iterator++;
 415                 g_free (edit_history_moveto[edit_stack_iterator].filename);
 416                 edit_history_moveto[edit_stack_iterator].filename =
 417                     g_strdup ((char *) curr_def->fullpath);
 418                 edit_history_moveto[edit_stack_iterator].line = curr_def->line;
 419                 edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename,
 420                                   edit_history_moveto[edit_stack_iterator].line);
 421             }
 422         }
 423     }
 424
 425     /* clear definition hash */
 426     for (i = 0; i < MAX_DEFINITIONS; i++) {
 427         g_free (def_hash[i].filename);
 428     }
 429
 430     /* destroy dialog before return */
 431     destroy_dlg (def_dlg);
 432 }
 433
 434 /* --------------------------------------------------------------------------------------------- */
 435
 436 int
 437 editcmd_dialog_replace_prompt_show (WEdit * edit, char *from_text, char *to_text, int xpos, int ypos)
 438 {
 439     /* dialog sizes */
 440     int dlg_height = 9;
 441     int dlg_width = 8;
 442
 443     int retval;
 444     int i;
 445     int btn_pos;
 446
 447     char *repl_from, *repl_to;
 448     char tmp [BUF_MEDIUM];
 449
 450     QuickWidget quick_widgets[] = {
 451         {quick_button, 44, dlg_width, 6, dlg_height, N_("&Cancel"),
 452         0, B_CANCEL, 0, 0, NULL, NULL, NULL},
 453         {quick_button, 29, dlg_width, 6, dlg_height, N_("&Skip"),
 454         0, B_SKIP_REPLACE, 0, 0, NULL, NULL, NULL},
 455         {quick_button, 21, dlg_width, 6, dlg_height, N_("A&ll"),
 456         0, B_REPLACE_ALL, 0, 0, NULL, NULL, NULL},
 457         {quick_button, 4, dlg_width, 6, dlg_height, N_("&Replace"),
 458         0, B_ENTER, 0, 0, NULL, NULL, NULL},
 459         {quick_label, 3, dlg_width, 2, dlg_height, 0,
 460         0, 0, 0, 0, 0, NULL, NULL},
 461         {quick_label, 2, dlg_width, 3, dlg_height, 0,
 462         0, 0, 0, 0, 0, NULL, NULL},
 463         {quick_label, 3, dlg_width, 4, dlg_height, 0,
 464         0, 0, 0, 0, 0, NULL, NULL},
 465         NULL_QuickWidget
 466     };
 467
 468 #ifdef ENABLE_NLS
 469         for (i = 0; i < 4; i++)
 470             quick_widgets[i].text = _(quick_widgets[i].text);
 471 #endif
 472
 473     /* calculate button positions */
 474     btn_pos = 4;
 475
 476     for (i = 3; i > -1; i--) {
 477         quick_widgets[i].relative_x = btn_pos;
 478
 479         btn_pos += str_term_width1 (quick_widgets[i].text) + 5;
 480
 481         if (i == 3) /* default button */
 482             btn_pos += 2;
 483     }
 484
 485     dlg_width = btn_pos + 2;
 486
 487     /* correct widget coordinates */
 488     for (i = 0; i <  7; i++)
 489         quick_widgets[i].x_divisions = dlg_width;
 490
 491     g_snprintf (tmp, sizeof (tmp), " '%s'", from_text);
 492     repl_from = g_strdup (str_fit_to_term (tmp, dlg_width - 7, J_LEFT));
 493
 494     g_snprintf (tmp, sizeof (tmp), " '%s'", to_text);
 495     repl_to =  g_strdup (str_fit_to_term (tmp, dlg_width - 7, J_LEFT));
 496
 497     quick_widgets[4].text = repl_from;
 498     quick_widgets[5].text = _(" Replace with: ");
 499     quick_widgets[6].text = repl_to;
 500
 501     if (xpos == -1)
 502         xpos = (edit->num_widget_columns - dlg_width) / 2;
 503
 504     if (ypos == -1)
 505         ypos = edit->num_widget_lines * 2 / 3;
 506
 507     {
 508         QuickDialog Quick_input =
 509         {dlg_width, dlg_height, 0, 0, N_ (" Confirm replace "),
 510          "[Input Line Keys]", 0 /*quick_widgets */, 0 };
 511
 512         Quick_input.widgets = quick_widgets;
 513
 514         Quick_input.xpos = xpos;
 515
 516         /* Sometimes menu can hide replaced text. I don't like it */
 517
 518         if ((edit->curs_row >= ypos - 1) && (edit->curs_row <= ypos + dlg_height - 1))
 519             ypos -= dlg_height;
 520
 521         Quick_input.ypos = ypos;
 522         retval = quick_dialog (&Quick_input);
 523         g_free (repl_from);
 524         g_free (repl_to);
 525         return retval;
 526     }
 527 }
 528
 529 /* --------------------------------------------------------------------------------------------- */