1 /* PSPPIRE - a graphical user interface for PSPP. 2 Copyright (C) 2008, 2009, 2010, 2011, 2012, 2014, 2016, 3 2020 Free Software Foundation 4 5 This program is free software: you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation, either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #include <config.h> 19 20 #include <gtk/gtk.h> 21 #include <stdlib.h> 22 23 #include <gtksourceview/gtksource.h> 24 25 #include "language/lexer/lexer.h" 26 #include "libpspp/encoding-guesser.h" 27 #include "libpspp/i18n.h" 28 #include "libpspp/message.h" 29 #include "ui/gui/executor.h" 30 #include "ui/gui/help-menu.h" 31 #include "ui/gui/helper.h" 32 #include "ui/gui/builder-wrapper.h" 33 #include "ui/gui/psppire-data-window.h" 34 #include "ui/gui/psppire-encoding-selector.h" 35 #include "ui/gui/psppire-lex-reader.h" 36 #include "ui/gui/psppire-syntax-window.h" 37 #include "ui/gui/psppire.h" 38 #include "ui/gui/windows-menu.h" 39 40 #include "gl/localcharset.h" 41 #include "gl/xalloc.h" 42 #include "gl/xvasprintf.h" 43 44 #include <gettext.h> 45 #define _(msgid) gettext (msgid) 46 #define N_(msgid) msgid 47 48 static void psppire_syntax_window_class_init (PsppireSyntaxWindowClass *class); 49 static void psppire_syntax_window_init (PsppireSyntaxWindow *syntax_editor); 50 51 52 static void psppire_syntax_window_iface_init (PsppireWindowIface *iface); 53 54 55 /* Properties */ 56 enum 57 { 58 PROP_0, 59 PROP_ENCODING 60 }; 61 62 static void 63 psppire_syntax_window_set_property (GObject *object, 64 guint prop_id, 65 const GValue *value, 66 GParamSpec *pspec) 67 { 68 PsppireSyntaxWindow *window = PSPPIRE_SYNTAX_WINDOW (object); 69 70 switch (prop_id) 71 { 72 case PROP_ENCODING: 73 g_free (window->encoding); 74 window->encoding = g_value_dup_string (value); 75 break; 76 default: 77 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); 78 break; 79 }; 80 } 81 82 83 static void 84 psppire_syntax_window_get_property (GObject *object, 85 guint prop_id, 86 GValue *value, 87 GParamSpec *pspec) 88 { 89 PsppireSyntaxWindow *window = PSPPIRE_SYNTAX_WINDOW (object); 90 91 switch (prop_id) 92 { 93 case PROP_ENCODING: 94 g_value_set_string (value, window->encoding); 95 break; 96 default: 97 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); 98 break; 99 }; 100 } 101 102 G_DEFINE_TYPE_WITH_CODE (PsppireSyntaxWindow, psppire_syntax_window, PSPPIRE_TYPE_WINDOW, 103 G_IMPLEMENT_INTERFACE (PSPPIRE_TYPE_WINDOW_MODEL, psppire_syntax_window_iface_init)) 104 105 static GObjectClass *parent_class ; 106 107 static void 108 psppire_syntax_window_finalize (GObject *object) 109 { 110 if (G_OBJECT_CLASS (parent_class)->finalize) 111 (*G_OBJECT_CLASS (parent_class)->finalize) (object); 112 } 113 114 115 static void 116 psppire_syntax_window_dispose (GObject *obj) 117 { 118 PsppireSyntaxWindow *sw = PSPPIRE_SYNTAX_WINDOW (obj); 119 120 GtkClipboard *clip_selection; 121 GtkClipboard *clip_primary; 122 123 if (sw->dispose_has_run) 124 return; 125 126 g_object_unref (sw->search_text_buffer); 127 128 g_free (sw->encoding); 129 sw->encoding = NULL; 130 131 clip_selection = gtk_widget_get_clipboard (GTK_WIDGET (sw), GDK_SELECTION_CLIPBOARD); 132 clip_primary = gtk_widget_get_clipboard (GTK_WIDGET (sw), GDK_SELECTION_PRIMARY); 133 134 g_signal_handler_disconnect (clip_primary, sw->sel_handler); 135 136 g_signal_handler_disconnect (clip_selection, sw->ps_handler); 137 138 /* Make sure dispose does not run twice. */ 139 sw->dispose_has_run = TRUE; 140 141 /* Chain up to the parent class */ 142 G_OBJECT_CLASS (parent_class)->dispose (obj); 143 } 144 145 146 147 static void 148 psppire_syntax_window_class_init (PsppireSyntaxWindowClass *class) 149 { 150 GParamSpec *encoding_spec; 151 GObjectClass *gobject_class = G_OBJECT_CLASS (class); 152 gobject_class->finalize = psppire_syntax_window_finalize; 153 154 GtkSourceLanguageManager *lm = gtk_source_language_manager_get_default (); 155 156 const gchar * const *existing_paths = gtk_source_language_manager_get_search_path (lm); 157 gchar **new_paths = g_strdupv ((gchar **)existing_paths); 158 int n = g_strv_length ((gchar **) existing_paths); 159 160 new_paths = g_realloc (new_paths, (n + 2) * sizeof (*new_paths)); 161 new_paths[n] = g_strdup (relocate (PKGDATADIR)); 162 new_paths[n+1] = NULL; 163 164 lm = gtk_source_language_manager_new (); 165 gtk_source_language_manager_set_search_path (lm, new_paths); 166 167 class->lan = gtk_source_language_manager_get_language (lm, "pspp"); 168 169 if (class->lan == NULL) 170 g_warning ("pspp.lang file not found. Syntax highlighting will not be available."); 171 172 parent_class = g_type_class_peek_parent (class); 173 174 g_strfreev (new_paths); 175 176 encoding_spec = 177 null_if_empty_param ("encoding", 178 "Character encoding", 179 "IANA character encoding in this syntax file", 180 NULL, 181 G_PARAM_CONSTRUCT | G_PARAM_READWRITE); 182 183 parent_class = g_type_class_peek_parent (class); 184 185 gobject_class->set_property = psppire_syntax_window_set_property; 186 gobject_class->get_property = psppire_syntax_window_get_property; 187 gobject_class->dispose = psppire_syntax_window_dispose; 188 189 g_object_class_install_property (gobject_class, 190 PROP_ENCODING, 191 encoding_spec); 192 } 193 194 195 static void 196 editor_execute_syntax (const PsppireSyntaxWindow *sw, GtkTextIter start, 197 GtkTextIter stop) 198 { 199 PsppireWindow *win = PSPPIRE_WINDOW (sw); 200 struct lex_reader *reader = lex_reader_for_gtk_text_buffer (GTK_TEXT_BUFFER (sw->buffer), start, stop); 201 202 lex_reader_set_file_name (reader, psppire_window_get_filename (win)); 203 204 execute_syntax (psppire_default_data_window (), reader); 205 } 206 207 /* Delete the currently selected text */ 208 static void 209 on_edit_delete (PsppireSyntaxWindow *sw) 210 { 211 GtkTextIter begin, end; 212 GtkTextBuffer *buffer = GTK_TEXT_BUFFER (sw->buffer); 213 214 if (gtk_text_buffer_get_selection_bounds (buffer, &begin, &end)) 215 gtk_text_buffer_delete (buffer, &begin, &end); 216 } 217 218 /* Create and run a dialog to collect the search string. 219 In future this might be expanded to include options, for example 220 backward searching, case sensitivity etc. */ 221 static const char * 222 get_search_text (PsppireSyntaxWindow *parent) 223 { 224 const char *search_text = NULL; 225 GtkDialogFlags flags = GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL; 226 GtkWidget *dialog = gtk_dialog_new_with_buttons (_("Text Search"), 227 GTK_WINDOW (parent), 228 flags, 229 _("_OK"), 230 GTK_RESPONSE_OK, 231 _("_Cancel"), 232 GTK_RESPONSE_CANCEL, 233 NULL); 234 235 GtkWidget *content_area = 236 gtk_dialog_get_content_area (GTK_DIALOG (dialog)); 237 238 GtkWidget *box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5); 239 GtkWidget *label = gtk_label_new (_("Text to search for:")); 240 GtkWidget *entry = gtk_entry_new_with_buffer (parent->search_text_buffer); 241 242 /* Add the label, and show everything we have added. */ 243 gtk_container_add (GTK_CONTAINER (content_area), box); 244 gtk_container_add (GTK_CONTAINER (box), label); 245 gtk_container_add (GTK_CONTAINER (box), entry); 246 gtk_widget_show_all (content_area); 247 248 int result = gtk_dialog_run (GTK_DIALOG (dialog)); 249 switch (result) 250 { 251 case GTK_RESPONSE_OK: 252 search_text = gtk_entry_get_text (GTK_ENTRY (entry)); 253 break; 254 default: 255 search_text = NULL; 256 }; 257 258 gtk_widget_destroy (dialog); 259 return search_text; 260 } 261 262 263 /* What to do when the Find menuitem is called. */ 264 static void 265 on_edit_find (PsppireSyntaxWindow *sw) 266 { 267 GtkTextBuffer *buffer = GTK_TEXT_BUFFER (sw->buffer); 268 GtkTextIter begin; 269 GtkTextIter loc; 270 const char *target = get_search_text (sw); 271 272 if (target == NULL) 273 return; 274 275 /* This is a wrap-around search. So start searching one 276 character after the current char. */ 277 GtkTextMark *mark = gtk_text_buffer_get_insert (buffer); 278 gtk_text_buffer_get_iter_at_mark (buffer, &begin, mark); 279 gtk_text_iter_forward_char (&begin); 280 if (gtk_text_iter_forward_search (&begin, target, 0, 281 &loc, 0, 0)) 282 { 283 gtk_text_buffer_place_cursor (buffer, &loc); 284 } 285 else 286 { 287 /* If not found, then continue the search from the top 288 of the buffer. */ 289 gtk_text_buffer_get_start_iter (buffer, &begin); 290 if (gtk_text_iter_forward_search (&begin, target, 0, 291 &loc, 0, 0)) 292 { 293 gtk_text_buffer_place_cursor (buffer, &loc); 294 } 295 } 296 } 297 298 299 /* The syntax editor's clipboard deals only with text */ 300 enum { 301 SELECT_FMT_NULL, 302 SELECT_FMT_TEXT, 303 }; 304 305 306 static void 307 selection_changed (PsppireSyntaxWindow *sw) 308 { 309 gboolean sel = gtk_text_buffer_get_has_selection (GTK_TEXT_BUFFER (sw->buffer)); 310 311 g_object_set (sw->edit_copy, "enabled", sel, NULL); 312 g_object_set (sw->edit_cut, "enabled", sel, NULL); 313 g_object_set (sw->edit_delete, "enabled", sel, NULL); 314 } 315 316 /* The callback which runs when something request clipboard data */ 317 static void 318 clipboard_get_cb (GtkClipboard *clipboard, 319 GtkSelectionData *selection_data, 320 guint info, 321 gpointer data) 322 { 323 PsppireSyntaxWindow *sw = data; 324 g_assert (info == SELECT_FMT_TEXT); 325 326 gtk_selection_data_set (selection_data, gtk_selection_data_get_target (selection_data), 327 8, 328 (const guchar *) sw->cliptext, strlen (sw->cliptext)); 329 330 } 331 332 static void 333 clipboard_clear_cb (GtkClipboard *clipboard, 334 gpointer data) 335 { 336 PsppireSyntaxWindow *sw = data; 337 g_free (sw->cliptext); 338 sw->cliptext = NULL; 339 } 340 341 static gchar tn1[] = "UTF8_STRING"; 342 static gchar tn2[] = "STRING"; 343 static gchar tn3[] = "TEXT"; 344 static gchar tn4[] = "COMPOUND_TEXT"; 345 static gchar tn5[] = "text/plain;charset=utf-8"; 346 static gchar tn6[] = "text/plain"; 347 348 static const GtkTargetEntry targets[] = { 349 { tn1, 0, SELECT_FMT_TEXT }, 350 { tn2, 0, SELECT_FMT_TEXT }, 351 { tn3, 0, SELECT_FMT_TEXT }, 352 { tn4, 0, SELECT_FMT_TEXT }, 353 { tn5, 0, SELECT_FMT_TEXT }, 354 { tn6, 0, SELECT_FMT_TEXT } 355 }; 356 357 /* 358 Store a clip containing the currently selected text. 359 Returns true iff something was set. 360 As a side effect, begin and end will be set to indicate 361 the limits of the selected text. 362 */ 363 static gboolean 364 set_clip (PsppireSyntaxWindow *sw, GtkTextIter *begin, GtkTextIter *end) 365 { 366 GtkClipboard *clipboard ; 367 GtkTextBuffer *buffer = GTK_TEXT_BUFFER (sw->buffer); 368 369 if (! gtk_text_buffer_get_selection_bounds (buffer, begin, end)) 370 return FALSE; 371 372 g_free (sw->cliptext); 373 sw->cliptext = gtk_text_buffer_get_text (buffer, begin, end, FALSE); 374 375 clipboard = 376 gtk_widget_get_clipboard (GTK_WIDGET (sw), GDK_SELECTION_CLIPBOARD); 377 378 if (!gtk_clipboard_set_with_owner (clipboard, targets, 379 G_N_ELEMENTS (targets), 380 clipboard_get_cb, clipboard_clear_cb, 381 G_OBJECT (sw))) 382 clipboard_clear_cb (clipboard, sw); 383 384 return TRUE; 385 } 386 387 static void 388 on_edit_cut (PsppireSyntaxWindow *sw) 389 { 390 GtkTextIter begin, end; 391 392 if (set_clip (sw, &begin, &end)) 393 gtk_text_buffer_delete (GTK_TEXT_BUFFER (sw->buffer), &begin, &end); 394 } 395 396 static void 397 on_edit_copy (PsppireSyntaxWindow *sw) 398 { 399 GtkTextIter begin, end; 400 401 set_clip (sw, &begin, &end); 402 } 403 404 static void 405 on_edit_paste (PsppireSyntaxWindow *sw) 406 { 407 GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (sw)); 408 GtkClipboard *clipboard = 409 gtk_clipboard_get_for_display (display, GDK_SELECTION_CLIPBOARD); 410 411 gtk_text_buffer_paste_clipboard (GTK_TEXT_BUFFER (sw->buffer), clipboard, NULL, TRUE); 412 } 413 414 415 /* Check to see if CLIP holds a target which we know how to paste, 416 and set the sensitivity of the Paste action accordingly. 417 */ 418 static void 419 set_paste_sensitivity (GtkClipboard *clip, GdkEventOwnerChange *event, gpointer data) 420 { 421 gint i; 422 gboolean compatible_target = FALSE; 423 PsppireSyntaxWindow *sw = PSPPIRE_SYNTAX_WINDOW (data); 424 425 for (i = 0 ; i < sizeof (targets) / sizeof (targets[0]) ; ++i) 426 { 427 GdkAtom atom = gdk_atom_intern (targets[i].target, TRUE); 428 if (gtk_clipboard_wait_is_target_available (clip, atom)) 429 { 430 compatible_target = TRUE; 431 break; 432 } 433 } 434 435 g_object_set (sw->edit_paste, "enabled", compatible_target, NULL); 436 } 437 438 439 440 441 /* Parse and execute all the text in the buffer */ 442 static void 443 on_run_all (PsppireSyntaxWindow *se) 444 { 445 GtkTextIter begin, end; 446 447 gtk_text_buffer_get_iter_at_offset (GTK_TEXT_BUFFER (se->buffer), &begin, 0); 448 gtk_text_buffer_get_iter_at_offset (GTK_TEXT_BUFFER (se->buffer), &end, -1); 449 450 editor_execute_syntax (se, begin, end); 451 } 452 453 /* Parse and execute the currently selected text */ 454 static void 455 on_run_selection (PsppireSyntaxWindow *se) 456 { 457 GtkTextIter begin, end; 458 459 if (gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (se->buffer), &begin, &end)) 460 editor_execute_syntax (se, begin, end); 461 } 462 463 464 /* Parse and execute the from the current line, to the end of the 465 buffer */ 466 static void 467 on_run_to_end (PsppireSyntaxWindow *se) 468 { 469 GtkTextIter begin, end; 470 GtkTextIter here; 471 gint line; 472 473 /* Get the current line */ 474 gtk_text_buffer_get_iter_at_mark (GTK_TEXT_BUFFER (se->buffer), 475 &here, 476 gtk_text_buffer_get_insert (GTK_TEXT_BUFFER (se->buffer)) 477 ); 478 479 line = gtk_text_iter_get_line (&here) ; 480 481 /* Now set begin and end to the start of this line, and end of buffer 482 respectively */ 483 gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (se->buffer), &begin, line); 484 gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (se->buffer), &end, -1); 485 486 editor_execute_syntax (se, begin, end); 487 } 488 489 490 491 /* Parse and execute the current line */ 492 static void 493 on_run_current_line (PsppireSyntaxWindow *se) 494 { 495 GtkTextIter begin, end; 496 GtkTextIter here; 497 gint line; 498 499 /* Get the current line */ 500 gtk_text_buffer_get_iter_at_mark (GTK_TEXT_BUFFER (se->buffer), 501 &here, 502 gtk_text_buffer_get_insert (GTK_TEXT_BUFFER (se->buffer)) 503 ); 504 505 line = gtk_text_iter_get_line (&here) ; 506 507 /* Now set begin and end to the start of this line, and start of 508 following line respectively */ 509 gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (se->buffer), &begin, line); 510 gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (se->buffer), &end, line + 1); 511 512 editor_execute_syntax (se, begin, end); 513 } 514 515 516 517 /* Append ".sps" to FILENAME if necessary. 518 The returned result must be freed when no longer required. 519 */ 520 static gchar * 521 append_suffix (const gchar *filename) 522 { 523 if (! g_str_has_suffix (filename, ".sps") && 524 ! g_str_has_suffix (filename, ".SPS")) 525 { 526 return g_strdup_printf ("%s.sps", filename); 527 } 528 529 return xstrdup (filename); 530 } 531 532 /* 533 Save BUFFER to the file called FILENAME. 534 FILENAME must be encoded in Glib filename encoding. 535 If successful, clears the buffer's modified flag. 536 */ 537 static gboolean 538 save_editor_to_file (PsppireSyntaxWindow *se, 539 const gchar *filename, 540 GError **err) 541 { 542 GtkTextBuffer *buffer = GTK_TEXT_BUFFER (se->buffer); 543 struct substring text_locale; 544 gboolean result ; 545 GtkTextIter start, stop; 546 gchar *text; 547 548 gchar *suffixedname; 549 g_assert (filename); 550 551 suffixedname = append_suffix (filename); 552 553 gtk_text_buffer_get_iter_at_line (buffer, &start, 0); 554 gtk_text_buffer_get_iter_at_offset (buffer, &stop, -1); 555 556 text = gtk_text_buffer_get_text (buffer, &start, &stop, FALSE); 557 558 text_locale = recode_substring_pool (se->encoding, "UTF-8", ss_cstr (text), 559 NULL); 560 561 result = g_file_set_contents (suffixedname, ss_data (text_locale), 562 ss_length (text_locale), err); 563 564 ss_dealloc (&text_locale); 565 g_free (suffixedname); 566 567 if (result) 568 { 569 char *fn = g_filename_display_name (filename); 570 gchar *msg = g_strdup_printf (_("Saved file `%s'"), fn); 571 g_free (fn); 572 gtk_statusbar_push (GTK_STATUSBAR (se->sb), se->text_context, msg); 573 gtk_text_buffer_set_modified (buffer, FALSE); 574 g_free (msg); 575 } 576 577 return result; 578 } 579 580 581 /* PsppireWindow 'pick_Filename' callback. */ 582 static void 583 syntax_pick_filename (PsppireWindow *window) 584 { 585 PsppireSyntaxWindow *se = PSPPIRE_SYNTAX_WINDOW (window); 586 const char *default_encoding; 587 GtkFileFilter *filter; 588 gint response; 589 590 GtkWidget *dialog = 591 gtk_file_chooser_dialog_new (_("Save Syntax"), 592 GTK_WINDOW (se), 593 GTK_FILE_CHOOSER_ACTION_SAVE, 594 _("Cancel"), GTK_RESPONSE_CANCEL, 595 _("Save"), GTK_RESPONSE_ACCEPT, 596 NULL); 597 598 g_object_set (dialog, "local-only", FALSE, NULL); 599 600 filter = gtk_file_filter_new (); 601 gtk_file_filter_set_name (filter, _("Syntax Files (*.sps) ")); 602 gtk_file_filter_add_pattern (filter, "*.sps"); 603 gtk_file_filter_add_pattern (filter, "*.SPS"); 604 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter); 605 606 filter = gtk_file_filter_new (); 607 gtk_file_filter_set_name (filter, _("All Files")); 608 gtk_file_filter_add_pattern (filter, "*"); 609 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter); 610 611 gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (dialog), 612 TRUE); 613 614 default_encoding = se->encoding != NULL ? se->encoding : locale_charset (); 615 gtk_file_chooser_set_extra_widget ( 616 GTK_FILE_CHOOSER (dialog), 617 psppire_encoding_selector_new (default_encoding, false)); 618 619 response = gtk_dialog_run (GTK_DIALOG (dialog)); 620 621 if (response == GTK_RESPONSE_ACCEPT) 622 { 623 gchar *encoding; 624 char *filename; 625 626 filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog)); 627 psppire_window_set_filename (window, filename); 628 free (filename); 629 630 encoding = psppire_encoding_selector_get_encoding ( 631 gtk_file_chooser_get_extra_widget (GTK_FILE_CHOOSER (dialog))); 632 if (encoding != NULL) 633 { 634 g_free (se->encoding); 635 se->encoding = encoding; 636 } 637 } 638 639 gtk_widget_destroy (dialog); 640 } 641 642 643 /* PsppireWindow 'save' callback. */ 644 static void 645 syntax_save (PsppireWindow *se) 646 { 647 const gchar *filename = psppire_window_get_filename (se); 648 GError *err = NULL; 649 save_editor_to_file (PSPPIRE_SYNTAX_WINDOW (se), filename, &err); 650 if (err) 651 { 652 msg (ME, "%s", err->message); 653 g_error_free (err); 654 } 655 } 656 657 658 static void 659 load_and_show_syntax_window (GtkWidget *se, const gchar *filename, 660 const gchar *encoding) 661 { 662 gboolean ok; 663 664 gtk_source_buffer_begin_not_undoable_action (PSPPIRE_SYNTAX_WINDOW (se)->buffer); 665 ok = psppire_window_load (PSPPIRE_WINDOW (se), filename, encoding, NULL); 666 gtk_source_buffer_end_not_undoable_action (PSPPIRE_SYNTAX_WINDOW (se)->buffer); 667 668 if (ok) 669 gtk_widget_show (se); 670 else 671 gtk_widget_destroy (se); 672 } 673 674 void 675 create_syntax_window (void) 676 { 677 GtkWidget *w = psppire_syntax_window_new (NULL); 678 679 gtk_widget_show (w); 680 } 681 682 GtkWindow * 683 open_syntax_window (const char *file_name, const gchar *encoding) 684 { 685 GtkWidget *se = psppire_syntax_window_new (NULL); 686 687 if (file_name) 688 load_and_show_syntax_window (se, file_name, encoding); 689 690 return GTK_WINDOW (se); 691 } 692 693 694 695 static void psppire_syntax_window_print (PsppireSyntaxWindow *window); 696 697 static void 698 on_modified_changed (GtkTextBuffer *buffer, PsppireWindow *window) 699 { 700 if (gtk_text_buffer_get_modified (buffer)) 701 psppire_window_set_unsaved (window); 702 } 703 704 static void undo_redo_update (PsppireSyntaxWindow *window); 705 static void undo_last_edit (PsppireSyntaxWindow *window); 706 static void redo_last_edit (PsppireSyntaxWindow *window); 707 708 static void 709 on_text_changed (GtkTextBuffer *buffer, PsppireSyntaxWindow *window) 710 { 711 gtk_statusbar_pop (GTK_STATUSBAR (window->sb), window->text_context); 712 undo_redo_update (window); 713 } 714 715 static void 716 psppire_syntax_window_init (PsppireSyntaxWindow *window) 717 { 718 GtkBuilder *xml = builder_new ("syntax-editor.ui"); 719 GtkWidget *box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); 720 721 GObject *menu = get_object_assert (xml, "syntax-window-menu", G_TYPE_MENU); 722 GtkWidget *menubar = gtk_menu_bar_new_from_model (G_MENU_MODEL (menu)); 723 724 GtkWidget *sw = get_widget_assert (xml, "scrolledwindow8"); 725 726 GtkWidget *text_view = get_widget_assert (xml, "syntax_text_view"); 727 728 PsppireSyntaxWindowClass *class 729 = PSPPIRE_SYNTAX_WINDOW_CLASS (G_OBJECT_GET_CLASS (window)); 730 731 GtkClipboard *clip_selection = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_CLIPBOARD); 732 GtkClipboard *clip_primary = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_PRIMARY); 733 734 window->print_settings = NULL; 735 736 window->undo_menuitem = g_simple_action_new ("undo", NULL); 737 window->redo_menuitem = g_simple_action_new ("redo", NULL); 738 739 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (window->undo_menuitem)); 740 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (window->redo_menuitem)); 741 742 743 if (class->lan) 744 window->buffer = gtk_source_buffer_new_with_language (class->lan); 745 else 746 window->buffer = gtk_source_buffer_new (NULL); 747 748 gtk_text_view_set_buffer (GTK_TEXT_VIEW (text_view), GTK_TEXT_BUFFER (window->buffer)); 749 750 g_object_set (window->buffer, 751 "highlight-matching-brackets", TRUE, 752 NULL); 753 754 g_object_set (text_view, 755 "show-line-numbers", TRUE, 756 "show-line-marks", TRUE, 757 "auto-indent", TRUE, 758 "indent-width", 4, 759 "highlight-current-line", TRUE, 760 NULL); 761 762 window->encoding = NULL; 763 764 window->cliptext = NULL; 765 window->dispose_has_run = FALSE; 766 767 window->search_text_buffer = gtk_entry_buffer_new (NULL, -1); 768 769 window->edit_delete = g_simple_action_new ("delete", NULL); 770 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (window->edit_delete)); 771 772 window->edit_copy = g_simple_action_new ("copy", NULL); 773 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (window->edit_copy)); 774 775 window->edit_cut = g_simple_action_new ("cut", NULL); 776 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (window->edit_cut)); 777 778 window->edit_paste = g_simple_action_new ("paste", NULL); 779 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (window->edit_paste)); 780 781 window->edit_find = g_simple_action_new ("find", NULL); 782 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (window->edit_find)); 783 784 window->buffer = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view))); 785 786 window->sb = get_widget_assert (xml, "statusbar2"); 787 window->text_context = gtk_statusbar_get_context_id (GTK_STATUSBAR (window->sb), "Text Context"); 788 789 g_signal_connect (window->buffer, "changed", 790 G_CALLBACK (on_text_changed), window); 791 792 g_signal_connect (window->buffer, "modified-changed", 793 G_CALLBACK (on_modified_changed), window); 794 795 796 { 797 GSimpleAction *print = g_simple_action_new ("print", NULL); 798 799 g_signal_connect_swapped (print, "activate", 800 G_CALLBACK (psppire_syntax_window_print), window); 801 802 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (print)); 803 } 804 805 g_signal_connect_swapped (window->undo_menuitem, 806 "activate", 807 G_CALLBACK (undo_last_edit), 808 window); 809 810 g_signal_connect_swapped (window->redo_menuitem, 811 "activate", 812 G_CALLBACK (redo_last_edit), 813 window); 814 815 undo_redo_update (window); 816 817 818 window->sel_handler = g_signal_connect_swapped (clip_primary, "owner-change", 819 G_CALLBACK (selection_changed), window); 820 821 window->ps_handler = g_signal_connect (clip_selection, "owner-change", 822 G_CALLBACK (set_paste_sensitivity), window); 823 824 gtk_container_add (GTK_CONTAINER (window), box); 825 826 g_object_ref (sw); 827 828 g_object_ref (window->sb); 829 830 gtk_box_pack_start (GTK_BOX (box), menubar, FALSE, TRUE, 0); 831 gtk_box_pack_start (GTK_BOX (box), sw, TRUE, TRUE, 0); 832 gtk_box_pack_start (GTK_BOX (box), window->sb, FALSE, TRUE, 0); 833 834 gtk_widget_show_all (box); 835 836 GtkApplication *app = GTK_APPLICATION (g_application_get_default ()); 837 838 { 839 GSimpleAction *open = g_simple_action_new ("open", NULL); 840 841 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (open)); 842 843 g_signal_connect_swapped (open, 844 "activate", 845 G_CALLBACK (psppire_window_open), 846 window); 847 } 848 849 { 850 GSimpleAction *save = g_simple_action_new ("save", NULL); 851 852 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (save)); 853 854 g_signal_connect_swapped (save, 855 "activate", 856 G_CALLBACK (psppire_window_save), 857 window); 858 859 const gchar *accels[2] = { "<Primary>S", NULL}; 860 gtk_application_set_accels_for_action (app, 861 "win.save", 862 accels); 863 864 } 865 866 { 867 GSimpleAction *save_as = g_simple_action_new ("save_as", NULL); 868 869 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (save_as)); 870 871 g_signal_connect_swapped (save_as, 872 "activate", 873 G_CALLBACK (psppire_window_save_as), 874 window); 875 876 877 const gchar *accels[2] = { "<Shift><Primary>S", NULL}; 878 gtk_application_set_accels_for_action (app, 879 "win.save_as", 880 accels); 881 882 883 } 884 885 886 g_signal_connect_swapped (window->edit_delete, 887 "activate", 888 G_CALLBACK (on_edit_delete), 889 window); 890 891 g_signal_connect_swapped (window->edit_copy, 892 "activate", 893 G_CALLBACK (on_edit_copy), 894 window); 895 896 g_signal_connect_swapped (window->edit_cut, 897 "activate", 898 G_CALLBACK (on_edit_cut), 899 window); 900 901 g_signal_connect_swapped (window->edit_paste, 902 "activate", 903 G_CALLBACK (on_edit_paste), 904 window); 905 906 g_signal_connect_swapped (window->edit_find, 907 "activate", 908 G_CALLBACK (on_edit_find), 909 window); 910 911 { 912 GSimpleAction *run_all = g_simple_action_new ("run-all", NULL); 913 914 g_signal_connect_swapped (run_all, "activate", 915 G_CALLBACK (on_run_all), window); 916 917 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (run_all)); 918 } 919 920 { 921 GSimpleAction *run_current_line = g_simple_action_new ("run-current-line", NULL); 922 923 g_signal_connect_swapped (run_current_line, "activate", 924 G_CALLBACK (on_run_current_line), window); 925 926 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (run_current_line)); 927 928 GtkApplication *app = GTK_APPLICATION (g_application_get_default ()); 929 const gchar *accels[2] = { "<Primary>R", NULL}; 930 gtk_application_set_accels_for_action (app, 931 "win.run-current-line", 932 accels); 933 } 934 935 { 936 GSimpleAction *run_selection = g_simple_action_new ("run-selection", NULL); 937 938 g_signal_connect_swapped (run_selection, "activate", 939 G_CALLBACK (on_run_selection), window); 940 941 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (run_selection)); 942 } 943 944 { 945 GSimpleAction *run_to_end = g_simple_action_new ("run-to-end", NULL); 946 947 g_signal_connect_swapped (run_to_end, "activate", 948 G_CALLBACK (on_run_to_end), window); 949 950 g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (run_to_end)); 951 } 952 953 gtk_menu_shell_append (GTK_MENU_SHELL (menubar), 954 create_windows_menu (GTK_WINDOW (window))); 955 956 gtk_menu_shell_append (GTK_MENU_SHELL (menubar), 957 create_help_menu (GTK_WINDOW (window))); 958 959 g_object_unref (xml); 960 } 961 962 963 964 965 966 GtkWidget * 967 psppire_syntax_window_new (const char *encoding) 968 { 969 GObject *sw = g_object_new (psppire_syntax_window_get_type (), 970 "description", _("Syntax Editor"), 971 "encoding", encoding, 972 NULL); 973 974 GApplication *app = g_application_get_default (); 975 gtk_application_add_window (GTK_APPLICATION (app), GTK_WINDOW (sw)); 976 977 return GTK_WIDGET (sw); 978 } 979 980 static void 981 error_dialog (GtkWindow *w, const gchar *filename, GError *err) 982 { 983 gchar *fn = g_filename_display_basename (filename); 984 985 GtkWidget *dialog = 986 gtk_message_dialog_new (w, 987 GTK_DIALOG_DESTROY_WITH_PARENT, 988 GTK_MESSAGE_ERROR, 989 GTK_BUTTONS_CLOSE, 990 _("Cannot load syntax file `%s'"), 991 fn); 992 993 g_free (fn); 994 995 g_object_set (dialog, "icon-name", "pspp", NULL); 996 997 gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog), 998 "%s", err->message); 999 1000 gtk_dialog_run (GTK_DIALOG (dialog)); 1001 1002 gtk_widget_destroy (dialog); 1003 } 1004 1005 /* 1006 Loads the buffer from the file called FILENAME 1007 */ 1008 static gboolean 1009 syntax_load (PsppireWindow *window, const gchar *filename, 1010 const gchar *encoding, gpointer not_used) 1011 { 1012 GError *err = NULL; 1013 gchar *text_locale = NULL; 1014 gchar *text_utf8 = NULL; 1015 gsize len_locale = -1; 1016 gsize len_utf8 = -1; 1017 GtkTextIter iter; 1018 PsppireSyntaxWindow *sw = PSPPIRE_SYNTAX_WINDOW (window); 1019 GtkTextBuffer *buffer = GTK_TEXT_BUFFER (sw->buffer); 1020 1021 /* FIXME: What if it's a very big file ? */ 1022 if (! g_file_get_contents (filename, &text_locale, &len_locale, &err)) 1023 { 1024 error_dialog (GTK_WINDOW (window), filename, err); 1025 g_clear_error (&err); 1026 return FALSE; 1027 } 1028 1029 if (!encoding || !encoding[0]) 1030 { 1031 /* Determine the file's encoding and update sw->encoding. (The ordering 1032 is important here because encoding_guess_whole_file() often returns 1033 its argument instead of a copy of it.) */ 1034 char *guessed_encoding; 1035 1036 guessed_encoding = g_strdup (encoding_guess_whole_file (sw->encoding, 1037 text_locale, 1038 len_locale)); 1039 g_free (sw->encoding); 1040 sw->encoding = guessed_encoding; 1041 } 1042 else 1043 { 1044 g_free (sw->encoding); 1045 sw->encoding = g_strdup (encoding); 1046 } 1047 1048 text_utf8 = recode_substring_pool ("UTF-8", sw->encoding, 1049 ss_buffer (text_locale, len_locale), 1050 NULL).string; 1051 free (text_locale); 1052 1053 if (text_utf8 == NULL) 1054 { 1055 error_dialog (GTK_WINDOW (window), filename, err); 1056 g_clear_error (&err); 1057 return FALSE; 1058 } 1059 1060 gtk_text_buffer_get_iter_at_line (buffer, &iter, 0); 1061 1062 gtk_text_buffer_insert (buffer, &iter, text_utf8, len_utf8); 1063 1064 gtk_text_buffer_set_modified (buffer, FALSE); 1065 1066 free (text_utf8); 1067 1068 add_most_recent (filename, "text/x-spss-syntax", sw->encoding); 1069 1070 return TRUE; 1071 } 1072 1073 1074 1075 static void 1076 psppire_syntax_window_iface_init (PsppireWindowIface *iface) 1077 { 1078 iface->save = syntax_save; 1079 iface->pick_filename = syntax_pick_filename; 1080 iface->load = syntax_load; 1081 } 1082 1083 1084 1085 1086 static void 1087 undo_redo_update (PsppireSyntaxWindow *window) 1088 { 1089 g_object_set (window->undo_menuitem, "enabled", 1090 gtk_source_buffer_can_undo (window->buffer), NULL); 1091 1092 g_object_set (window->redo_menuitem, "enabled", 1093 gtk_source_buffer_can_redo (window->buffer), NULL); 1094 } 1095 1096 static void 1097 undo_last_edit (PsppireSyntaxWindow *window) 1098 { 1099 gtk_source_buffer_undo (window->buffer); 1100 undo_redo_update (window); 1101 } 1102 1103 static void 1104 redo_last_edit (PsppireSyntaxWindow *window) 1105 { 1106 gtk_source_buffer_redo (window->buffer); 1107 undo_redo_update (window); 1108 } 1109 1110 1111 1112 /* Printing related stuff */ 1113 1114 1115 static void 1116 begin_print (GtkPrintOperation *operation, 1117 GtkPrintContext *context, 1118 PsppireSyntaxWindow *window) 1119 { 1120 window->compositor = 1121 gtk_source_print_compositor_new (window->buffer); 1122 } 1123 1124 1125 static void 1126 end_print (GtkPrintOperation *operation, 1127 GtkPrintContext *context, 1128 PsppireSyntaxWindow *window) 1129 { 1130 g_object_unref (window->compositor); 1131 window->compositor = NULL; 1132 } 1133 1134 1135 1136 static gboolean 1137 paginate (GtkPrintOperation *operation, 1138 GtkPrintContext *context, 1139 PsppireSyntaxWindow *window) 1140 { 1141 if (gtk_source_print_compositor_paginate (window->compositor, context)) 1142 { 1143 gint n_pages = gtk_source_print_compositor_get_n_pages (window->compositor); 1144 gtk_print_operation_set_n_pages (operation, n_pages); 1145 1146 return TRUE; 1147 } 1148 1149 return FALSE; 1150 } 1151 1152 static void 1153 draw_page (GtkPrintOperation *operation, 1154 GtkPrintContext *context, 1155 gint page_nr, 1156 PsppireSyntaxWindow *window) 1157 { 1158 gtk_source_print_compositor_draw_page (window->compositor, 1159 context, 1160 page_nr); 1161 } 1162 1163 1164 1165 static void 1166 psppire_syntax_window_print (PsppireSyntaxWindow *window) 1167 { 1168 GtkPrintOperationResult res; 1169 1170 GtkPrintOperation *print = gtk_print_operation_new (); 1171 1172 if (window->print_settings != NULL) 1173 gtk_print_operation_set_print_settings (print, window->print_settings); 1174 1175 1176 g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), window); 1177 g_signal_connect (print, "end_print", G_CALLBACK (end_print), window); 1178 g_signal_connect (print, "draw_page", G_CALLBACK (draw_page), window); 1179 g_signal_connect (print, "paginate", G_CALLBACK (paginate), window); 1180 1181 res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, 1182 GTK_WINDOW (window), NULL); 1183 1184 if (res == GTK_PRINT_OPERATION_RESULT_APPLY) 1185 { 1186 if (window->print_settings != NULL) 1187 g_object_unref (window->print_settings); 1188 window->print_settings = g_object_ref (gtk_print_operation_get_print_settings (print)); 1189 } 1190 1191 g_object_unref (print); 1192 } 1193