src/gtk/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/textctrl.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling, Vadim Zeitlin, 2005 Mart Raudsepp
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_TEXTCTRL
  14
  15 #include "wx/textctrl.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/intl.h"
  19     #include "wx/log.h"
  20     #include "wx/utils.h"
  21     #include "wx/settings.h"
  22     #include "wx/math.h"
  23 #endif
  24
  25 #include "wx/scopeguard.h"
  26 #include "wx/strconv.h"
  27 #include "wx/fontutil.h"        // for wxNativeFontInfo (GetNativeFontInfo())
  28
  29 #include <sys/types.h>
  30 #include <sys/stat.h>
  31 #include <ctype.h>
  32
  33 #include "wx/gtk/private.h"
  34
  35 // ----------------------------------------------------------------------------
  36 // helpers
  37 // ----------------------------------------------------------------------------
  38
  39 extern "C" {
  40 static void wxGtkOnRemoveTag(GtkTextBuffer *buffer,
  41                              GtkTextTag *tag,
  42                              GtkTextIter * WXUNUSED(start),
  43                              GtkTextIter * WXUNUSED(end),
  44                              char *prefix)
  45 {
  46     gchar *name;
  47     g_object_get (tag, "name", &name, NULL);
  48
  49     if (!name || strncmp(name, prefix, strlen(prefix)))
  50         // anonymous tag or not starting with prefix - don't remove
  51         g_signal_stop_emission_by_name (buffer, "remove_tag");
  52
  53     g_free(name);
  54 }
  55 }
  56
  57 // remove all tags starting with the given prefix from the start..end range
  58 static void
  59 wxGtkTextRemoveTagsWithPrefix(GtkTextBuffer *text_buffer,
  60                               const char *prefix,
  61                               GtkTextIter *start,
  62                               GtkTextIter *end)
  63 {
  64     gulong remove_handler_id = g_signal_connect
  65                                (
  66                                 text_buffer,
  67                                 "remove_tag",
  68                                 G_CALLBACK(wxGtkOnRemoveTag),
  69                                 gpointer(prefix)
  70                                );
  71     gtk_text_buffer_remove_all_tags(text_buffer, start, end);
  72     g_signal_handler_disconnect(text_buffer, remove_handler_id);
  73 }
  74
  75 static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
  76                                        GtkTextBuffer *text_buffer,
  77                                        const wxTextAttr& attr,
  78                                        GtkTextIter *start,
  79                                        GtkTextIter *end)
  80 {
  81     static gchar buf[1024];
  82     GtkTextTag *tag;
  83
  84     if (attr.HasFont())
  85     {
  86         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFONT", start, end);
  87
  88         wxFont font(attr.GetFont());
  89
  90         PangoFontDescription *font_description = font.GetNativeFontInfo()->description;
  91         wxGtkString font_string(pango_font_description_to_string(font_description));
  92         g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());
  93         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
  94                                          buf );
  95         if (!tag)
  96             tag = gtk_text_buffer_create_tag( text_buffer, buf,
  97                                               "font-desc", font_description,
  98                                               NULL );
  99         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 100
 101         if (font.GetUnderlined())
 102         {
 103             g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE");
 104             tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 105                                              buf );
 106             if (!tag)
 107                 tag = gtk_text_buffer_create_tag( text_buffer, buf,
 108                                                   "underline-set", TRUE,
 109                                                   "underline", PANGO_UNDERLINE_SINGLE,
 110                                                   NULL );
 111             gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 112         }
 113         if ( font.GetStrikethrough() )
 114         {
 115             g_snprintf(buf, sizeof(buf), "WXFONTSTRIKETHROUGH");
 116             tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 117                                              buf );
 118             if (!tag)
 119                 tag = gtk_text_buffer_create_tag( text_buffer, buf,
 120                                                   "strikethrough-set", TRUE,
 121                                                   "strikethrough", TRUE,
 122                                                   NULL );
 123             gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 124         }
 125     }
 126
 127     if (attr.HasTextColour())
 128     {
 129         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFORECOLOR", start, end);
 130
 131         const GdkColor *colFg = attr.GetTextColour().GetColor();
 132         g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
 133                    colFg->red, colFg->green, colFg->blue);
 134         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 135                                          buf );
 136         if (!tag)
 137             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 138                                               "foreground-gdk", colFg, NULL );
 139         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 140     }
 141
 142     if (attr.HasBackgroundColour())
 143     {
 144         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXBACKCOLOR", start, end);
 145
 146         const GdkColor *colBg = attr.GetBackgroundColour().GetColor();
 147         g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
 148                    colBg->red, colBg->green, colBg->blue);
 149         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 150                                          buf );
 151         if (!tag)
 152             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 153                                               "background-gdk", colBg, NULL );
 154         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 155     }
 156
 157     if (attr.HasAlignment())
 158     {
 159         GtkTextIter para_start, para_end = *end;
 160         gtk_text_buffer_get_iter_at_line( text_buffer,
 161                                           &para_start,
 162                                           gtk_text_iter_get_line(start) );
 163         gtk_text_iter_forward_line(&para_end);
 164
 165         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", &para_start, &para_end);
 166
 167         GtkJustification align;
 168         switch (attr.GetAlignment())
 169         {
 170             default:
 171                 align = GTK_JUSTIFY_LEFT;
 172                 break;
 173             case wxTEXT_ALIGNMENT_RIGHT:
 174                 align = GTK_JUSTIFY_RIGHT;
 175                 break;
 176             case wxTEXT_ALIGNMENT_CENTER:
 177                 align = GTK_JUSTIFY_CENTER;
 178                 break;
 179 // gtk+ doesn't support justify before gtk+-2.11.0 with pango-1.17 being available
 180 // (but if new enough pango isn't available it's a mere gtk warning)
 181 #if GTK_CHECK_VERSION(2,11,0)
 182             case wxTEXT_ALIGNMENT_JUSTIFIED:
 183                 if (!gtk_check_version(2,11,0))
 184                     align = GTK_JUSTIFY_FILL;
 185                 else
 186                     align = GTK_JUSTIFY_LEFT;
 187                 break;
 188 #endif
 189         }
 190
 191         g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align);
 192         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 193                                          buf );
 194         if (!tag)
 195             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 196                                               "justification", align, NULL );
 197         gtk_text_buffer_apply_tag( text_buffer, tag, &para_start, &para_end );
 198     }
 199
 200     if (attr.HasLeftIndent())
 201     {
 202         // Indentation attribute
 203
 204         // Clear old indentation tags
 205         GtkTextIter para_start, para_end = *end;
 206         gtk_text_buffer_get_iter_at_line( text_buffer,
 207                                           &para_start,
 208                                           gtk_text_iter_get_line(start) );
 209         gtk_text_iter_forward_line(&para_end);
 210
 211         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", &para_start, &para_end);
 212
 213         // Convert indent from 1/10th of a mm into pixels
 214         float factor =
 215             (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
 216                       gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
 217
 218         const int indent = (int)(factor * attr.GetLeftIndent());
 219         const int subIndent = (int)(factor * attr.GetLeftSubIndent());
 220
 221         gint gindent;
 222         gint gsubindent;
 223
 224         if (subIndent >= 0)
 225         {
 226             gindent = indent;
 227             gsubindent = -subIndent;
 228         }
 229         else
 230         {
 231             gindent = -subIndent;
 232             gsubindent = indent;
 233         }
 234
 235         g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent);
 236         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 237                                         buf );
 238         if (!tag)
 239             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 240                                               "left-margin", gindent, "indent", gsubindent, NULL );
 241         gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
 242     }
 243
 244     if (attr.HasTabs())
 245     {
 246         // Set tab stops
 247
 248         // Clear old tabs
 249         GtkTextIter para_start, para_end = *end;
 250         gtk_text_buffer_get_iter_at_line( text_buffer,
 251                                           &para_start,
 252                                           gtk_text_iter_get_line(start) );
 253         gtk_text_iter_forward_line(&para_end);
 254
 255         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", &para_start, &para_end);
 256
 257         const wxArrayInt& tabs = attr.GetTabs();
 258
 259         wxString tagname = wxT("WXTABS");
 260         g_snprintf(buf, sizeof(buf), "WXTABS");
 261         for (size_t i = 0; i < tabs.GetCount(); i++)
 262             tagname += wxString::Format(wxT(" %d"), tabs[i]);
 263
 264         const wxWX2MBbuf buftag = tagname.utf8_str();
 265
 266         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 267                                         buftag );
 268         if (!tag)
 269         {
 270             // Factor to convert from 1/10th of a mm into pixels
 271             float factor =
 272                 (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
 273                           gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
 274
 275             PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE);
 276             for (size_t i = 0; i < tabs.GetCount(); i++)
 277                 pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor));
 278             tag = gtk_text_buffer_create_tag( text_buffer, buftag,
 279                                               "tabs", tabArray, NULL );
 280             pango_tab_array_free(tabArray);
 281         }
 282         gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
 283     }
 284 }
 285
 286 static void wxGtkTextInsert(GtkWidget *text,
 287                             GtkTextBuffer *text_buffer,
 288                             const wxTextAttr& attr,
 289                             const wxCharBuffer& buffer)
 290
 291 {
 292     gint start_offset;
 293     GtkTextIter iter, start;
 294
 295     gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
 296                                      gtk_text_buffer_get_insert (text_buffer) );
 297     start_offset = gtk_text_iter_get_offset (&iter);
 298     gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) );
 299
 300     gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
 301
 302     wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
 303 }
 304
 305 // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
 306
 307 extern "C" {
 308 static void
 309 au_apply_tag_callback(GtkTextBuffer *buffer,
 310                       GtkTextTag *tag,
 311                       GtkTextIter * WXUNUSED(start),
 312                       GtkTextIter * WXUNUSED(end),
 313                       gpointer WXUNUSED(textctrl))
 314 {
 315     if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
 316         g_signal_stop_emission_by_name (buffer, "apply_tag");
 317 }
 318 }
 319
 320 //-----------------------------------------------------------------------------
 321 //  GtkTextCharPredicates for gtk_text_iter_*_find_char
 322 //-----------------------------------------------------------------------------
 323
 324 extern "C" {
 325 static gboolean
 326 pred_whitespace(gunichar ch, gpointer WXUNUSED(user_data))
 327 {
 328     return g_unichar_isspace(ch);
 329 }
 330 }
 331
 332 extern "C" {
 333 static gboolean
 334 pred_non_whitespace (gunichar ch, gpointer WXUNUSED(user_data))
 335 {
 336     return !g_unichar_isspace(ch);
 337 }
 338 }
 339
 340 extern "C" {
 341 static gboolean
 342 pred_nonpunct (gunichar ch, gpointer WXUNUSED(user_data))
 343 {
 344     return !g_unichar_ispunct(ch);
 345 }
 346 }
 347
 348 extern "C" {
 349 static gboolean
 350 pred_nonpunct_or_slash (gunichar ch, gpointer WXUNUSED(user_data))
 351 {
 352     return !g_unichar_ispunct(ch) || ch == '/';
 353 }
 354 }
 355
 356 //-----------------------------------------------------------------------------
 357 //  Check for links between s and e and correct tags as necessary
 358 //-----------------------------------------------------------------------------
 359
 360 // This function should be made match better while being efficient at one point.
 361 // Most probably with a row of regular expressions.
 362 extern "C" {
 363 static void
 364 au_check_word( GtkTextIter *s, GtkTextIter *e )
 365 {
 366     static const char *const URIPrefixes[] =
 367     {
 368         "http://",
 369         "ftp://",
 370         "www.",
 371         "ftp.",
 372         "mailto://",
 373         "https://",
 374         "file://",
 375         "nntp://",
 376         "news://",
 377         "telnet://",
 378         "mms://",
 379         "gopher://",
 380         "prospero://",
 381         "wais://",
 382     };
 383
 384     GtkTextIter start = *s, end = *e;
 385     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 386
 387     // Get our special link tag
 388     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 389
 390     // Get rid of punctuation from beginning and end.
 391     // Might want to move this to au_check_range if an improved link checking doesn't
 392     // use some intelligent punctuation checking itself (beware of undesired iter modifications).
 393     if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
 394         gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
 395
 396     gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
 397     gtk_text_iter_forward_char(&end);
 398
 399     wxGtkString text(gtk_text_iter_get_text( &start, &end ));
 400     size_t len = strlen(text), prefix_len;
 401     size_t n;
 402
 403     for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
 404     {
 405         prefix_len = strlen(URIPrefixes[n]);
 406         if((len > prefix_len) && !wxStrnicmp(text, URIPrefixes[n], prefix_len))
 407             break;
 408     }
 409
 410     if(n < WXSIZEOF(URIPrefixes))
 411     {
 412         gulong signal_id = g_signal_handler_find (buffer,
 413                                                   (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
 414                                                   0, 0, NULL,
 415                                                   (gpointer)au_apply_tag_callback, NULL);
 416
 417         g_signal_handler_block (buffer, signal_id);
 418         gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
 419         g_signal_handler_unblock (buffer, signal_id);
 420     }
 421 }
 422 }
 423
 424 extern "C" {
 425 static void
 426 au_check_range(GtkTextIter *s,
 427                GtkTextIter *range_end)
 428 {
 429     GtkTextIter range_start = *s;
 430     GtkTextIter word_end;
 431     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 432     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 433
 434     gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
 435
 436     if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
 437         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 438
 439     while(!gtk_text_iter_equal(&range_start, range_end))
 440     {
 441         word_end = range_start;
 442         gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
 443
 444         // Now we should have a word delimited by range_start and word_end, correct link tags
 445         au_check_word(&range_start, &word_end);
 446
 447         range_start = word_end;
 448         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 449     }
 450 }
 451 }
 452
 453 //-----------------------------------------------------------------------------
 454 //  "insert-text" for GtkTextBuffer
 455 //-----------------------------------------------------------------------------
 456
 457 extern "C" {
 458 static void
 459 au_insert_text_callback(GtkTextBuffer * WXUNUSED(buffer),
 460                         GtkTextIter *end,
 461                         gchar *text,
 462                         gint len,
 463                         wxTextCtrl *win)
 464 {
 465     if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 466         return;
 467
 468     GtkTextIter start = *end;
 469     gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
 470
 471     GtkTextIter line_start = start;
 472     GtkTextIter line_end = *end;
 473     GtkTextIter words_start = start;
 474     GtkTextIter words_end = *end;
 475
 476     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
 477     gtk_text_iter_forward_to_line_end(&line_end);
 478     gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
 479     gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
 480
 481     au_check_range(&words_start, &words_end);
 482 }
 483 }
 484
 485 //-----------------------------------------------------------------------------
 486 //  "delete-range" for GtkTextBuffer
 487 //-----------------------------------------------------------------------------
 488
 489 extern "C" {
 490 static void
 491 au_delete_range_callback(GtkTextBuffer * WXUNUSED(buffer),
 492                          GtkTextIter *start,
 493                          GtkTextIter *end,
 494                          wxTextCtrl *win)
 495 {
 496     if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 497         return;
 498
 499     GtkTextIter line_start = *start, line_end = *end;
 500
 501     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
 502     gtk_text_iter_forward_to_line_end(&line_end);
 503     gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
 504     gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
 505
 506     au_check_range(start, end);
 507 }
 508 }
 509
 510 //-----------------------------------------------------------------------------
 511 //  "populate_popup" from text control and "unmap" from its poup menu
 512 //-----------------------------------------------------------------------------
 513
 514 extern "C" {
 515 static void
 516 gtk_textctrl_popup_unmap( GtkMenu *WXUNUSED(menu), wxTextCtrl* win )
 517 {
 518     win->GTKEnableFocusOutEvent();
 519 }
 520 }
 521
 522 extern "C" {
 523 static void
 524 gtk_textctrl_populate_popup( GtkEntry *WXUNUSED(entry), GtkMenu *menu, wxTextCtrl *win )
 525 {
 526     win->GTKDisableFocusOutEvent();
 527
 528     g_signal_connect (menu, "unmap", G_CALLBACK (gtk_textctrl_popup_unmap), win );
 529 }
 530 }
 531
 532 //-----------------------------------------------------------------------------
 533 //  "changed"
 534 //-----------------------------------------------------------------------------
 535
 536 extern "C" {
 537 static void
 538 gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
 539 {
 540     if ( win->IgnoreTextUpdate() )
 541         return;
 542
 543     if (!win->m_hasVMT) return;
 544
 545     if ( win->MarkDirtyOnChange() )
 546         win->MarkDirty();
 547
 548     win->SendTextUpdatedEvent();
 549 }
 550 }
 551
 552 //-----------------------------------------------------------------------------
 553 //  clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard"
 554 //-----------------------------------------------------------------------------
 555
 556 // common part of the event handlers below
 557 static void
 558 handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win,
 559                                 wxEventType eventType, const gchar * signal_name)
 560 {
 561     wxClipboardTextEvent event( eventType, win->GetId() );
 562     event.SetEventObject( win );
 563     if ( win->HandleWindowEvent( event ) )
 564     {
 565         // don't let the default processing to take place if we did something
 566         // ourselves in the event handler
 567         g_signal_stop_emission_by_name (widget, signal_name);
 568     }
 569 }
 570
 571 extern "C" {
 572 static void
 573 gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 574 {
 575     handle_text_clipboard_callback(
 576         widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" );
 577 }
 578
 579 static void
 580 gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 581 {
 582     handle_text_clipboard_callback(
 583         widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" );
 584 }
 585
 586 static void
 587 gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 588 {
 589     handle_text_clipboard_callback(
 590         widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" );
 591 }
 592 }
 593
 594 //-----------------------------------------------------------------------------
 595 //  "mark_set"
 596 //-----------------------------------------------------------------------------
 597
 598 extern "C" {
 599 static void mark_set(GtkTextBuffer*, GtkTextIter*, GtkTextMark* mark, GSList** markList)
 600 {
 601     if (gtk_text_mark_get_name(mark) == NULL)
 602         *markList = g_slist_prepend(*markList, mark);
 603 }
 604 }
 605
 606 //-----------------------------------------------------------------------------
 607 //  wxTextCtrl
 608 //-----------------------------------------------------------------------------
 609
 610 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 611     EVT_CHAR(wxTextCtrl::OnChar)
 612
 613     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 614     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 615     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 616     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 617     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 618
 619     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 620     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 621     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 622     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 623     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 624
 625     // wxTE_AUTO_URL wxTextUrl support. Currently only creates
 626     // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
 627     EVT_MOTION      (wxTextCtrl::OnUrlMouseEvent)
 628     EVT_LEFT_DOWN   (wxTextCtrl::OnUrlMouseEvent)
 629     EVT_LEFT_UP     (wxTextCtrl::OnUrlMouseEvent)
 630     EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
 631     EVT_RIGHT_DOWN  (wxTextCtrl::OnUrlMouseEvent)
 632     EVT_RIGHT_UP    (wxTextCtrl::OnUrlMouseEvent)
 633     EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
 634 END_EVENT_TABLE()
 635
 636 void wxTextCtrl::Init()
 637 {
 638     m_dontMarkDirty =
 639     m_modified = false;
 640
 641     m_countUpdatesToIgnore = 0;
 642
 643     SetUpdateFont(false);
 644
 645     m_text = NULL;
 646     m_showPositionOnThaw = NULL;
 647     m_anonymousMarkList = NULL;
 648 }
 649
 650 wxTextCtrl::~wxTextCtrl()
 651 {
 652     if (m_anonymousMarkList)
 653         g_slist_free(m_anonymousMarkList);
 654 }
 655
 656 wxTextCtrl::wxTextCtrl( wxWindow *parent,
 657                         wxWindowID id,
 658                         const wxString &value,
 659                         const wxPoint &pos,
 660                         const wxSize &size,
 661                         long style,
 662                         const wxValidator& validator,
 663                         const wxString &name )
 664 {
 665     Init();
 666
 667     Create( parent, id, value, pos, size, style, validator, name );
 668 }
 669
 670 bool wxTextCtrl::Create( wxWindow *parent,
 671                          wxWindowID id,
 672                          const wxString &value,
 673                          const wxPoint &pos,
 674                          const wxSize &size,
 675                          long style,
 676                          const wxValidator& validator,
 677                          const wxString &name )
 678 {
 679     if (!PreCreation( parent, pos, size ) ||
 680         !CreateBase( parent, id, pos, size, style, validator, name ))
 681     {
 682         wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
 683         return false;
 684     }
 685
 686     bool multi_line = (style & wxTE_MULTILINE) != 0;
 687
 688     if (multi_line)
 689     {
 690         m_buffer = gtk_text_buffer_new(NULL);
 691         gulong sig_id = g_signal_connect(m_buffer, "mark_set", G_CALLBACK(mark_set), &m_anonymousMarkList);
 692         // Create view
 693         m_text = gtk_text_view_new_with_buffer(m_buffer);
 694         // gtk_text_view_set_buffer adds its own reference
 695         g_object_unref(m_buffer);
 696         g_signal_handler_disconnect(m_buffer, sig_id);
 697
 698         // create "ShowPosition" marker
 699         GtkTextIter iter;
 700         gtk_text_buffer_get_start_iter(m_buffer, &iter);
 701         gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true);
 702
 703         // create scrolled window
 704         m_widget = gtk_scrolled_window_new( NULL, NULL );
 705         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
 706                                         GTK_POLICY_AUTOMATIC,
 707                                         style & wxTE_NO_VSCROLL
 708                                             ? GTK_POLICY_NEVER
 709                                             : GTK_POLICY_AUTOMATIC );
 710         // for ScrollLines/Pages
 711         m_scrollBar[1] = GTK_RANGE(gtk_scrolled_window_get_vscrollbar(GTK_SCROLLED_WINDOW(m_widget)));
 712
 713         // Insert view into scrolled window
 714         gtk_container_add( GTK_CONTAINER(m_widget), m_text );
 715
 716         GTKSetWrapMode();
 717
 718         GTKScrolledWindowSetBorder(m_widget, style);
 719
 720         gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
 721
 722         gtk_widget_set_can_focus(m_widget, FALSE);
 723     }
 724     else
 725     {
 726         // a single-line text control: no need for scrollbars
 727         m_widget =
 728         m_text = gtk_entry_new();
 729         // work around probable bug in GTK+ 2.18 when calling WriteText on a
 730         // new, empty control, see http://trac.wxwidgets.org/ticket/11409
 731         gtk_entry_get_text((GtkEntry*)m_text);
 732
 733         if (style & wxNO_BORDER)
 734             g_object_set (m_text, "has-frame", FALSE, NULL);
 735
 736     }
 737     g_object_ref(m_widget);
 738
 739     m_parent->DoAddChild( this );
 740
 741     m_focusWidget = m_text;
 742
 743     PostCreation(size);
 744
 745     if (multi_line)
 746     {
 747         gtk_widget_show(m_text);
 748     }
 749
 750     // We want to be notified about text changes.
 751     if (multi_line)
 752     {
 753         g_signal_connect (m_buffer, "changed",
 754                           G_CALLBACK (gtk_text_changed_callback), this);
 755     }
 756     else
 757     {
 758         g_signal_connect (m_text, "changed",
 759                           G_CALLBACK (gtk_text_changed_callback), this);
 760     }
 761
 762     // Catch to disable focus out handling
 763     g_signal_connect (m_text, "populate_popup",
 764                       G_CALLBACK (gtk_textctrl_populate_popup),
 765                       this);
 766
 767     if (!value.empty())
 768     {
 769         SetValue( value );
 770     }
 771
 772     if (style & wxTE_PASSWORD)
 773         GTKSetVisibility();
 774
 775     if (style & wxTE_READONLY)
 776         GTKSetEditable();
 777
 778     // left justification (alignment) is the default anyhow
 779     if ( style & (wxTE_RIGHT | wxTE_CENTRE) )
 780         GTKSetJustification();
 781
 782     if (multi_line)
 783     {
 784         // Handle URLs on multi-line controls with wxTE_AUTO_URL style
 785         if (style & wxTE_AUTO_URL)
 786         {
 787             GtkTextIter start, end;
 788
 789             // We create our wxUrl tag here for slight efficiency gain - we
 790             // don't have to check for the tag existence in callbacks,
 791             // hereby it's guaranteed to exist.
 792             gtk_text_buffer_create_tag(m_buffer, "wxUrl",
 793                                        "foreground", "blue",
 794                                        "underline", PANGO_UNDERLINE_SINGLE,
 795                                        NULL);
 796
 797             // Check for URLs after each text change
 798             g_signal_connect_after (m_buffer, "insert_text",
 799                                     G_CALLBACK (au_insert_text_callback), this);
 800             g_signal_connect_after (m_buffer, "delete_range",
 801                                     G_CALLBACK (au_delete_range_callback), this);
 802
 803             // Block all wxUrl tag applying unless we do it ourselves, in which case we
 804             // block this callback temporarily. This takes care of gtk+ internal
 805             // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
 806             // which is undesired because only a part of the URL might be copied.
 807             // The insert-text signal emitted inside it will take care of newly formed
 808             // or wholly copied URLs.
 809             g_signal_connect (m_buffer, "apply_tag",
 810                               G_CALLBACK (au_apply_tag_callback), NULL);
 811
 812             // Check for URLs in the initial string passed to Create
 813             gtk_text_buffer_get_start_iter(m_buffer, &start);
 814             gtk_text_buffer_get_end_iter(m_buffer, &end);
 815             au_check_range(&start, &end);
 816         }
 817     }
 818     else // single line
 819     {
 820         // do the right thing with Enter presses depending on whether we have
 821         // wxTE_PROCESS_ENTER or not
 822         GTKSetActivatesDefault();
 823     }
 824
 825
 826     g_signal_connect (m_text, "copy-clipboard",
 827                       G_CALLBACK (gtk_copy_clipboard_callback), this);
 828     g_signal_connect (m_text, "cut-clipboard",
 829                       G_CALLBACK (gtk_cut_clipboard_callback), this);
 830     g_signal_connect (m_text, "paste-clipboard",
 831                       G_CALLBACK (gtk_paste_clipboard_callback), this);
 832
 833     m_cursor = wxCursor( wxCURSOR_IBEAM );
 834
 835     return true;
 836 }
 837
 838 GtkEditable *wxTextCtrl::GetEditable() const
 839 {
 840     wxCHECK_MSG( IsSingleLine(), NULL, "shouldn't be called for multiline" );
 841
 842     return GTK_EDITABLE(m_text);
 843 }
 844
 845 GtkEntry *wxTextCtrl::GetEntry() const
 846 {
 847     return GTK_ENTRY(m_text);
 848 }
 849
 850 // ----------------------------------------------------------------------------
 851 // flags handling
 852 // ----------------------------------------------------------------------------
 853
 854 void wxTextCtrl::GTKSetEditable()
 855 {
 856     gboolean editable = !HasFlag(wxTE_READONLY);
 857     if ( IsSingleLine() )
 858         gtk_editable_set_editable(GTK_EDITABLE(m_text), editable);
 859     else
 860         gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable);
 861 }
 862
 863 void wxTextCtrl::GTKSetVisibility()
 864 {
 865     wxCHECK_RET( IsSingleLine(),
 866                  "wxTE_PASSWORD is for single line text controls only" );
 867
 868     gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD));
 869 }
 870
 871 void wxTextCtrl::GTKSetActivatesDefault()
 872 {
 873     wxCHECK_RET( IsSingleLine(),
 874                  "wxTE_PROCESS_ENTER is for single line text controls only" );
 875
 876     gtk_entry_set_activates_default(GTK_ENTRY(m_text),
 877                                     !HasFlag(wxTE_PROCESS_ENTER));
 878 }
 879
 880 void wxTextCtrl::GTKSetWrapMode()
 881 {
 882     // no wrapping in single line controls
 883     if ( !IsMultiLine() )
 884         return;
 885
 886     // translate wx wrapping style to GTK+
 887     GtkWrapMode wrap;
 888     if ( HasFlag( wxTE_DONTWRAP ) )
 889         wrap = GTK_WRAP_NONE;
 890     else if ( HasFlag( wxTE_CHARWRAP ) )
 891         wrap = GTK_WRAP_CHAR;
 892     else if ( HasFlag( wxTE_WORDWRAP ) )
 893         wrap = GTK_WRAP_WORD;
 894     else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
 895         wrap = GTK_WRAP_WORD_CHAR;
 896
 897     gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
 898 }
 899
 900 void wxTextCtrl::GTKSetJustification()
 901 {
 902     if ( IsMultiLine() )
 903     {
 904         GtkJustification just;
 905         if ( HasFlag(wxTE_RIGHT) )
 906             just = GTK_JUSTIFY_RIGHT;
 907         else if ( HasFlag(wxTE_CENTRE) )
 908             just = GTK_JUSTIFY_CENTER;
 909         else // wxTE_LEFT == 0
 910             just = GTK_JUSTIFY_LEFT;
 911
 912         gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just);
 913     }
 914     else // single line
 915     {
 916         gfloat align;
 917         if ( HasFlag(wxTE_RIGHT) )
 918             align = 1.0;
 919         else if ( HasFlag(wxTE_CENTRE) )
 920             align = 0.5;
 921         else // single line
 922             align = 0.0;
 923
 924         gtk_entry_set_alignment(GTK_ENTRY(m_text), align);
 925     }
 926 }
 927
 928 void wxTextCtrl::SetWindowStyleFlag(long style)
 929 {
 930     long styleOld = GetWindowStyleFlag();
 931
 932     wxTextCtrlBase::SetWindowStyleFlag(style);
 933
 934     if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) )
 935         GTKSetEditable();
 936
 937     if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) )
 938         GTKSetVisibility();
 939
 940     if ( (style & wxTE_PROCESS_ENTER) != (styleOld & wxTE_PROCESS_ENTER) )
 941         GTKSetActivatesDefault();
 942
 943     static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP;
 944     if ( (style & flagsWrap) != (styleOld & flagsWrap) )
 945         GTKSetWrapMode();
 946
 947     static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
 948     if ( (style & flagsAlign) != (styleOld & flagsAlign) )
 949         GTKSetJustification();
 950 }
 951
 952 // ----------------------------------------------------------------------------
 953 // control value
 954 // ----------------------------------------------------------------------------
 955
 956 wxString wxTextCtrl::GetValue() const
 957 {
 958     wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
 959
 960     if ( IsMultiLine() )
 961     {
 962         GtkTextIter start;
 963         gtk_text_buffer_get_start_iter( m_buffer, &start );
 964         GtkTextIter end;
 965         gtk_text_buffer_get_end_iter( m_buffer, &end );
 966         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
 967
 968         return wxGTK_CONV_BACK(text);
 969     }
 970     else // single line
 971     {
 972         return wxTextEntry::GetValue();
 973     }
 974 }
 975
 976 wxFontEncoding wxTextCtrl::GetTextEncoding() const
 977 {
 978     // GTK+ uses UTF-8 internally, we need to convert to it but from which
 979     // encoding?
 980
 981     // first check the default text style (we intentionally don't check the
 982     // style for the current position as it doesn't make sense for SetValue())
 983     const wxTextAttr& style = GetDefaultStyle();
 984     wxFontEncoding enc = style.HasFontEncoding() ? style.GetFontEncoding()
 985                                          : wxFONTENCODING_SYSTEM;
 986
 987     // fall back to the controls font if no style
 988     if ( enc == wxFONTENCODING_SYSTEM && m_hasFont )
 989         enc = GetFont().GetEncoding();
 990
 991     return enc;
 992 }
 993
 994 bool wxTextCtrl::IsEmpty() const
 995 {
 996     if ( IsMultiLine() )
 997         return gtk_text_buffer_get_char_count(m_buffer) == 0;
 998
 999     return wxTextEntry::IsEmpty();
1000 }
1001
1002 void wxTextCtrl::DoSetValue( const wxString &value, int flags )
1003 {
1004     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1005
1006     m_modified = false;
1007
1008     if ( !IsMultiLine() )
1009     {
1010         wxTextEntry::DoSetValue(value, flags);
1011         return;
1012     }
1013
1014     if (value.IsEmpty())
1015     {
1016         if ( !(flags & SetValue_SendEvent) )
1017             EnableTextChangedEvents(false);
1018
1019         gtk_text_buffer_set_text( m_buffer, "", 0 );
1020
1021         if ( !(flags & SetValue_SendEvent) )
1022             EnableTextChangedEvents(true);
1023
1024         return;
1025     }
1026
1027 #if wxUSE_UNICODE
1028     const wxCharBuffer buffer(value.utf8_str());
1029 #else
1030     wxFontEncoding enc = m_defaultStyle.HasFont()
1031                             ? m_defaultStyle.GetFont().GetEncoding()
1032                             : wxFONTENCODING_SYSTEM;
1033     if ( enc == wxFONTENCODING_SYSTEM )
1034         enc = GetTextEncoding();
1035
1036     const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc));
1037     if ( !buffer )
1038     {
1039         // see comment in WriteText() as to why we must warn the user about
1040         // this
1041         wxLogWarning(_("Failed to set text in the text control."));
1042         return;
1043     }
1044 #endif
1045
1046     if ( !(flags & SetValue_SendEvent) )
1047     {
1048         EnableTextChangedEvents(false);
1049     }
1050
1051     gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
1052
1053     if ( !m_defaultStyle.IsDefault() )
1054     {
1055         GtkTextIter start, end;
1056         gtk_text_buffer_get_bounds( m_buffer, &start, &end );
1057         wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle,
1058                                    &start, &end);
1059     }
1060
1061     if ( !(flags & SetValue_SendEvent) )
1062     {
1063         EnableTextChangedEvents(true);
1064     }
1065 }
1066
1067 void wxTextCtrl::WriteText( const wxString &text )
1068 {
1069     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1070
1071     // we're changing the text programmatically
1072     DontMarkDirtyOnNextChange();
1073
1074     if ( !IsMultiLine() )
1075     {
1076         wxTextEntry::WriteText(text);
1077         return;
1078     }
1079
1080 #if wxUSE_UNICODE
1081     const wxCharBuffer buffer(text.utf8_str());
1082 #else
1083     // check if we have a specific style for the current position
1084     wxFontEncoding enc = wxFONTENCODING_SYSTEM;
1085     wxTextAttr style;
1086     if ( GetStyle(GetInsertionPoint(), style) && style.HasFontEncoding() )
1087     {
1088         enc = style.GetFontEncoding();
1089     }
1090
1091     if ( enc == wxFONTENCODING_SYSTEM )
1092         enc = GetTextEncoding();
1093
1094     const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc));
1095     if ( !buffer )
1096     {
1097         // we must log an error here as losing the text like this can be a
1098         // serious problem (e.g. imagine the document edited by user being
1099         // empty instead of containing the correct text)
1100         wxLogWarning(_("Failed to insert text in the control."));
1101         return;
1102     }
1103 #endif
1104
1105     // First remove the selection if there is one
1106     // TODO:  Is there an easier GTK specific way to do this?
1107     long from, to;
1108     GetSelection(&from, &to);
1109     if (from != to)
1110         Remove(from, to);
1111
1112     // Insert the text
1113     wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
1114
1115     // Scroll to cursor, but only if scrollbar thumb is at the very bottom
1116     // won't work when frozen, text view is not using m_buffer then
1117     if (!IsFrozen())
1118     {
1119         GtkAdjustment* adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget));
1120         const double value = gtk_adjustment_get_value(adj);
1121         const double upper = gtk_adjustment_get_upper(adj);
1122         const double page_size = gtk_adjustment_get_page_size(adj);
1123         if (wxIsSameDouble(value, upper - page_size))
1124         {
1125             gtk_text_view_scroll_to_mark(GTK_TEXT_VIEW(m_text),
1126                 gtk_text_buffer_get_insert(m_buffer), 0, false, 0, 1);
1127         }
1128     }
1129 }
1130
1131 wxString wxTextCtrl::GetLineText( long lineNo ) const
1132 {
1133     wxString result;
1134     if ( IsMultiLine() )
1135     {
1136         GtkTextIter line;
1137         gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1138
1139         GtkTextIter end = line;
1140         // avoid skipping to the next line end if this one is empty
1141         if ( !gtk_text_iter_ends_line(&line) )
1142             gtk_text_iter_forward_to_line_end(&end);
1143
1144         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
1145         result = wxGTK_CONV_BACK(text);
1146     }
1147     else
1148     {
1149         if (lineNo == 0)
1150             result = GetValue();
1151     }
1152     return result;
1153 }
1154
1155 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1156 {
1157   /* If you implement this, don't forget to update the documentation!
1158    * (file docs/latex/wx/text.tex) */
1159     wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1160 }
1161
1162 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1163 {
1164     if ( IsMultiLine() )
1165     {
1166         GtkTextIter iter;
1167
1168         if (pos > GetLastPosition())
1169             return false;
1170
1171         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1172
1173         if ( y )
1174             *y = gtk_text_iter_get_line(&iter);
1175         if ( x )
1176             *x = gtk_text_iter_get_line_offset(&iter);
1177     }
1178     else // single line control
1179     {
1180         if (pos <= gtk_entry_get_text_length(GTK_ENTRY(m_text)))
1181         {
1182             if ( y )
1183                 *y = 0;
1184             if ( x )
1185                 *x = pos;
1186         }
1187         else
1188         {
1189             // index out of bounds
1190             return false;
1191         }
1192     }
1193
1194     return true;
1195 }
1196
1197 long wxTextCtrl::XYToPosition(long x, long y ) const
1198 {
1199     if ( IsSingleLine() )
1200         return 0;
1201
1202     GtkTextIter iter;
1203     if (y >= gtk_text_buffer_get_line_count (m_buffer))
1204         return -1;
1205
1206     gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y);
1207     if (x >= gtk_text_iter_get_chars_in_line (&iter))
1208         return -1;
1209
1210     return gtk_text_iter_get_offset(&iter) + x;
1211 }
1212
1213 int wxTextCtrl::GetLineLength(long lineNo) const
1214 {
1215     if ( IsMultiLine() )
1216     {
1217         int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1218         if (lineNo > last_line)
1219             return -1;
1220
1221         GtkTextIter iter;
1222         gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1223         // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1224         return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1225     }
1226     else
1227     {
1228         wxString str = GetLineText (lineNo);
1229         return (int) str.length();
1230     }
1231 }
1232
1233 wxPoint wxTextCtrl::DoPositionToCoords(long pos) const
1234 {
1235     if ( !IsMultiLine() )
1236     {
1237         // Single line text entry (GtkTextEntry) doesn't have support for
1238         // getting the coordinates for the given offset. Perhaps we could
1239         // find them ourselves by using GetTextExtent() but for now just leave
1240         // it unimplemented, this function is more useful for multiline
1241         // controls anyhow.
1242         return wxDefaultPosition;
1243     }
1244
1245     // Window coordinates for the given position is calculated by getting
1246     // the buffer coordinates and converting them to window coordinates.
1247     GtkTextView *textview = GTK_TEXT_VIEW(m_text);
1248
1249     GtkTextIter iter;
1250     gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1251
1252     GdkRectangle bufferCoords;
1253     gtk_text_view_get_iter_location(textview, &iter, &bufferCoords);
1254
1255     gint winCoordX = 0,
1256          winCoordY = 0;
1257     gtk_text_view_buffer_to_window_coords(textview, GTK_TEXT_WINDOW_WIDGET,
1258                                           bufferCoords.x, bufferCoords.y,
1259                                           &winCoordX, &winCoordY);
1260
1261     return wxPoint(winCoordX, winCoordY);
1262 }
1263
1264 int wxTextCtrl::GetNumberOfLines() const
1265 {
1266     if ( IsMultiLine() )
1267     {
1268         return gtk_text_buffer_get_line_count( m_buffer );
1269     }
1270     else // single line
1271     {
1272         return 1;
1273     }
1274 }
1275
1276 void wxTextCtrl::SetInsertionPoint( long pos )
1277 {
1278     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1279
1280     if ( IsMultiLine() )
1281     {
1282         GtkTextIter iter;
1283         gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1284         gtk_text_buffer_place_cursor( m_buffer, &iter );
1285         GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
1286         if (IsFrozen())
1287             // defer until Thaw, text view is not using m_buffer now
1288             m_showPositionOnThaw = mark;
1289         else
1290             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1291     }
1292     else // single line
1293     {
1294         wxTextEntry::SetInsertionPoint(pos);
1295     }
1296 }
1297
1298 void wxTextCtrl::SetEditable( bool editable )
1299 {
1300     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1301
1302     if ( IsMultiLine() )
1303     {
1304         gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1305     }
1306     else // single line
1307     {
1308         wxTextEntry::SetEditable(editable);
1309     }
1310 }
1311
1312 bool wxTextCtrl::Enable( bool enable )
1313 {
1314     if (!wxWindowBase::Enable(enable))
1315     {
1316         // nothing to do
1317         return false;
1318     }
1319
1320     gtk_widget_set_sensitive( m_text, enable );
1321     SetCursor(enable ? wxCursor(wxCURSOR_IBEAM) : wxCursor());
1322
1323     return true;
1324 }
1325
1326 // wxGTK-specific: called recursively by Enable,
1327 // to give widgets an opportunity to correct their colours after they
1328 // have been changed by Enable
1329 void wxTextCtrl::OnEnabled(bool WXUNUSED(enable))
1330 {
1331     // If we have a custom background colour, we use this colour in both
1332     // disabled and enabled mode, or we end up with a different colour under the
1333     // text.
1334     wxColour oldColour = GetBackgroundColour();
1335     if (oldColour.IsOk())
1336     {
1337         // Need to set twice or it'll optimize the useful stuff out
1338         if (oldColour == * wxWHITE)
1339             SetBackgroundColour(*wxBLACK);
1340         else
1341             SetBackgroundColour(*wxWHITE);
1342         SetBackgroundColour(oldColour);
1343     }
1344 }
1345
1346 void wxTextCtrl::MarkDirty()
1347 {
1348     m_modified = true;
1349 }
1350
1351 void wxTextCtrl::DiscardEdits()
1352 {
1353     m_modified = false;
1354 }
1355
1356 // ----------------------------------------------------------------------------
1357 // event handling
1358 // ----------------------------------------------------------------------------
1359
1360 void wxTextCtrl::EnableTextChangedEvents(bool enable)
1361 {
1362     if ( enable )
1363     {
1364         g_signal_handlers_unblock_by_func(GetTextObject(),
1365             (gpointer)gtk_text_changed_callback, this);
1366     }
1367     else // disable events
1368     {
1369         g_signal_handlers_block_by_func(GetTextObject(),
1370             (gpointer)gtk_text_changed_callback, this);
1371     }
1372 }
1373
1374 bool wxTextCtrl::IgnoreTextUpdate()
1375 {
1376     if ( m_countUpdatesToIgnore > 0 )
1377     {
1378         m_countUpdatesToIgnore--;
1379
1380         return true;
1381     }
1382
1383     return false;
1384 }
1385
1386 bool wxTextCtrl::MarkDirtyOnChange()
1387 {
1388     if ( m_dontMarkDirty )
1389     {
1390         m_dontMarkDirty = false;
1391
1392         return false;
1393     }
1394
1395     return true;
1396 }
1397
1398 void wxTextCtrl::SetSelection( long from, long to )
1399 {
1400     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1401
1402     if ( IsMultiLine() )
1403     {
1404         if (from == -1 && to == -1)
1405         {
1406             from = 0;
1407             to = GetValue().length();
1408         }
1409
1410         GtkTextIter fromi, toi;
1411         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1412         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1413
1414         gtk_text_buffer_select_range( m_buffer, &fromi, &toi );
1415     }
1416     else // single line
1417     {
1418         wxTextEntry::SetSelection(from, to);
1419     }
1420 }
1421
1422 void wxTextCtrl::ShowPosition( long pos )
1423 {
1424     if (IsMultiLine())
1425     {
1426         GtkTextIter iter;
1427         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
1428         GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
1429         gtk_text_buffer_move_mark(m_buffer, mark, &iter);
1430         if (IsFrozen())
1431             // defer until Thaw, text view is not using m_buffer now
1432             m_showPositionOnThaw = mark;
1433         else
1434             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1435     }
1436 }
1437
1438 wxTextCtrlHitTestResult
1439 wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1440 {
1441     if ( !IsMultiLine() )
1442     {
1443         // not supported
1444         return wxTE_HT_UNKNOWN;
1445     }
1446
1447     int x, y;
1448     gtk_text_view_window_to_buffer_coords
1449     (
1450         GTK_TEXT_VIEW(m_text),
1451         GTK_TEXT_WINDOW_TEXT,
1452         pt.x, pt.y,
1453         &x, &y
1454     );
1455
1456     GtkTextIter iter;
1457     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1458     if ( pos )
1459         *pos = gtk_text_iter_get_offset(&iter);
1460
1461     return wxTE_HT_ON_TEXT;
1462 }
1463
1464 long wxTextCtrl::GetInsertionPoint() const
1465 {
1466     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1467
1468     if ( IsMultiLine() )
1469     {
1470         // There is no direct accessor for the cursor, but
1471         // internally, the cursor is the "mark" called
1472         // "insert" in the text view's btree structure.
1473
1474         GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1475         GtkTextIter cursor;
1476         gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1477
1478         return gtk_text_iter_get_offset( &cursor );
1479     }
1480     else
1481     {
1482         return wxTextEntry::GetInsertionPoint();
1483     }
1484 }
1485
1486 wxTextPos wxTextCtrl::GetLastPosition() const
1487 {
1488     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1489
1490     int pos = 0;
1491
1492     if ( IsMultiLine() )
1493     {
1494         GtkTextIter end;
1495         gtk_text_buffer_get_end_iter( m_buffer, &end );
1496
1497         pos = gtk_text_iter_get_offset( &end );
1498     }
1499     else // single line
1500     {
1501         pos = wxTextEntry::GetLastPosition();
1502     }
1503
1504     return (long)pos;
1505 }
1506
1507 void wxTextCtrl::Remove( long from, long to )
1508 {
1509     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1510
1511     if ( IsMultiLine() )
1512     {
1513         GtkTextIter fromi, toi;
1514         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1515         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1516
1517         gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1518     }
1519     else // single line
1520     {
1521         wxTextEntry::Remove(from, to);
1522     }
1523 }
1524
1525 void wxTextCtrl::Cut()
1526 {
1527     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1528
1529     if ( IsMultiLine() )
1530         g_signal_emit_by_name (m_text, "cut-clipboard");
1531     else
1532         wxTextEntry::Cut();
1533 }
1534
1535 void wxTextCtrl::Copy()
1536 {
1537     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1538
1539     if ( IsMultiLine() )
1540         g_signal_emit_by_name (m_text, "copy-clipboard");
1541     else
1542         wxTextEntry::Copy();
1543 }
1544
1545 void wxTextCtrl::Paste()
1546 {
1547     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1548
1549     if ( IsMultiLine() )
1550         g_signal_emit_by_name (m_text, "paste-clipboard");
1551     else
1552         wxTextEntry::Paste();
1553 }
1554
1555 // If the return values from and to are the same, there is no
1556 // selection.
1557 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1558 {
1559     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1560
1561     if ( !IsMultiLine() )
1562     {
1563         wxTextEntry::GetSelection(fromOut, toOut);
1564         return;
1565     }
1566
1567     gint from, to;
1568
1569     GtkTextIter ifrom, ito;
1570     if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1571     {
1572         from = gtk_text_iter_get_offset(&ifrom);
1573         to = gtk_text_iter_get_offset(&ito);
1574
1575         if ( from > to )
1576         {
1577             // exchange them to be compatible with wxMSW
1578             gint tmp = from;
1579             from = to;
1580             to = tmp;
1581         }
1582     }
1583     else // no selection
1584     {
1585         from =
1586         to = GetInsertionPoint();
1587     }
1588
1589     if ( fromOut )
1590         *fromOut = from;
1591     if ( toOut )
1592         *toOut = to;
1593 }
1594
1595
1596 bool wxTextCtrl::IsEditable() const
1597 {
1598     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1599
1600     if ( IsMultiLine() )
1601     {
1602         return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1603     }
1604     else
1605     {
1606         return wxTextEntry::IsEditable();
1607     }
1608 }
1609
1610 bool wxTextCtrl::IsModified() const
1611 {
1612     return m_modified;
1613 }
1614
1615 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1616 {
1617     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1618
1619     if ( key_event.GetKeyCode() == WXK_RETURN )
1620     {
1621         if ( HasFlag(wxTE_PROCESS_ENTER) )
1622         {
1623             wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1624             event.SetEventObject(this);
1625             event.SetString(GetValue());
1626             if ( HandleWindowEvent(event) )
1627                 return;
1628         }
1629     }
1630
1631     key_event.Skip();
1632 }
1633
1634 GtkWidget* wxTextCtrl::GetConnectWidget()
1635 {
1636     return GTK_WIDGET(m_text);
1637 }
1638
1639 GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
1640 {
1641     if ( IsMultiLine() )
1642     {
1643         return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1644                                         GTK_TEXT_WINDOW_TEXT );
1645     }
1646     else
1647     {
1648         return gtk_entry_get_text_window(GTK_ENTRY(m_text));
1649     }
1650 }
1651
1652 // the font will change for subsequent text insertiongs
1653 bool wxTextCtrl::SetFont( const wxFont &font )
1654 {
1655     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1656
1657     if ( !wxTextCtrlBase::SetFont(font) )
1658     {
1659         // font didn't change, nothing to do
1660         return false;
1661     }
1662
1663     if ( IsMultiLine() )
1664     {
1665         SetUpdateFont(true);
1666
1667         m_defaultStyle.SetFont(font);
1668
1669         ChangeFontGlobally();
1670     }
1671
1672     return true;
1673 }
1674
1675 void wxTextCtrl::ChangeFontGlobally()
1676 {
1677     // this method is very inefficient and hence should be called as rarely as
1678     // possible!
1679     //
1680     // TODO: it can be implemented much more efficiently for GTK2
1681     wxASSERT_MSG( IsMultiLine(),
1682                   wxT("shouldn't be called for single line controls") );
1683
1684     wxString value = GetValue();
1685     if ( !value.empty() )
1686     {
1687         SetUpdateFont(false);
1688
1689         Clear();
1690         AppendText(value);
1691     }
1692 }
1693
1694 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1695 {
1696     if ( !wxControl::SetForegroundColour(colour) )
1697         return false;
1698
1699     // update default fg colour too
1700     m_defaultStyle.SetTextColour(colour);
1701
1702     return true;
1703 }
1704
1705 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1706 {
1707     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1708
1709     if ( !wxControl::SetBackgroundColour( colour ) )
1710         return false;
1711
1712     if (!m_backgroundColour.IsOk())
1713         return false;
1714
1715     // change active background color too
1716     m_defaultStyle.SetBackgroundColour( colour );
1717
1718     return true;
1719 }
1720
1721 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1722 {
1723     if ( IsMultiLine() )
1724     {
1725         if ( style.IsDefault() )
1726         {
1727             // nothing to do
1728             return true;
1729         }
1730
1731         gint l = gtk_text_buffer_get_char_count( m_buffer );
1732
1733         wxCHECK_MSG( start >= 0 && end <= l, false,
1734                      wxT("invalid range in wxTextCtrl::SetStyle") );
1735
1736         GtkTextIter starti, endi;
1737         gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1738         gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1739
1740         wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );
1741
1742         return true;
1743     }
1744     //else: single line text controls don't support styles
1745
1746     return false;
1747 }
1748
1749 bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
1750 {
1751     if ( !IsMultiLine() )
1752     {
1753         // no styles for GtkEntry
1754         return false;
1755     }
1756
1757     gint l = gtk_text_buffer_get_char_count( m_buffer );
1758
1759     wxCHECK_MSG( position >= 0 && position <= l, false,
1760                  wxT("invalid range in wxTextCtrl::GetStyle") );
1761
1762     GtkTextIter positioni;
1763     gtk_text_buffer_get_iter_at_offset(m_buffer, &positioni, position);
1764
1765     // Obtain a copy of the default attributes
1766     GtkTextAttributes * const
1767         pattr = gtk_text_view_get_default_attributes(GTK_TEXT_VIEW(m_text));
1768     wxON_BLOCK_EXIT1(gtk_text_attributes_unref, pattr);
1769
1770     // And query GTK for the attributes at the given position using it as base
1771     if ( !gtk_text_iter_get_attributes(&positioni, pattr) )
1772     {
1773         style = m_defaultStyle;
1774     }
1775     else // have custom attributes
1776     {
1777         style.SetBackgroundColour(pattr->appearance.bg_color);
1778         style.SetTextColour(pattr->appearance.fg_color);
1779
1780         const wxGtkString
1781             pangoFontString(pango_font_description_to_string(pattr->font));
1782
1783         wxFont font;
1784         if ( font.SetNativeFontInfo(wxString(pangoFontString)) )
1785             style.SetFont(font);
1786
1787         // TODO: set alignment, tabs and indents
1788     }
1789
1790     return true;
1791 }
1792
1793 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1794 {
1795     gtk_widget_modify_style(m_text, style);
1796 }
1797
1798 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1799 {
1800     Cut();
1801 }
1802
1803 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1804 {
1805     Copy();
1806 }
1807
1808 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1809 {
1810     Paste();
1811 }
1812
1813 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1814 {
1815     Undo();
1816 }
1817
1818 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1819 {
1820     Redo();
1821 }
1822
1823 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1824 {
1825     event.Enable( CanCut() );
1826 }
1827
1828 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1829 {
1830     event.Enable( CanCopy() );
1831 }
1832
1833 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1834 {
1835     event.Enable( CanPaste() );
1836 }
1837
1838 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1839 {
1840     event.Enable( CanUndo() );
1841 }
1842
1843 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1844 {
1845     event.Enable( CanRedo() );
1846 }
1847
1848 wxSize wxTextCtrl::DoGetBestSize() const
1849 {
1850     // FIXME should be different for multi-line controls...
1851     wxSize ret( wxControl::DoGetBestSize() );
1852     wxSize best(80, ret.y);
1853     CacheBestSize(best);
1854     return best;
1855 }
1856
1857 // ----------------------------------------------------------------------------
1858 // freeze/thaw
1859 // ----------------------------------------------------------------------------
1860
1861 void wxTextCtrl::DoFreeze()
1862 {
1863     wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
1864
1865     wxWindow::DoFreeze();
1866
1867     if ( HasFlag(wxTE_MULTILINE) )
1868     {
1869         GTKFreezeWidget(m_text);
1870
1871         // removing buffer dramatically speeds up insertion:
1872         g_object_ref(m_buffer);
1873         GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
1874         gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
1875         // gtk_text_view_set_buffer adds its own reference
1876         g_object_unref(buf_new);
1877         // These marks should be deleted when the buffer is changed,
1878         // but they are not (in GTK+ up to at least 3.0.1).
1879         // Otherwise these anonymous marks start to build up in the buffer,
1880         // and Freeze takes longer and longer each time it is called.
1881         if (m_anonymousMarkList)
1882         {
1883             for (GSList* item = m_anonymousMarkList; item; item = item->next)
1884             {
1885                 GtkTextMark* mark = static_cast<GtkTextMark*>(item->data);
1886                 if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
1887                     gtk_text_buffer_delete_mark(m_buffer, mark);
1888             }
1889             g_slist_free(m_anonymousMarkList);
1890             m_anonymousMarkList = NULL;
1891         }
1892     }
1893 }
1894
1895 void wxTextCtrl::DoThaw()
1896 {
1897     if ( HasFlag(wxTE_MULTILINE) )
1898     {
1899         // reattach buffer:
1900         gulong sig_id = g_signal_connect(m_buffer, "mark_set", G_CALLBACK(mark_set), &m_anonymousMarkList);
1901         gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1902         g_object_unref(m_buffer);
1903         g_signal_handler_disconnect(m_buffer, sig_id);
1904
1905         if (m_showPositionOnThaw != NULL)
1906         {
1907             gtk_text_view_scroll_mark_onscreen(
1908                 GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
1909             m_showPositionOnThaw = NULL;
1910         }
1911
1912         // and thaw the window
1913         GTKThawWidget(m_text);
1914     }
1915
1916     wxWindow::DoThaw();
1917 }
1918
1919 // ----------------------------------------------------------------------------
1920 // wxTextUrlEvent passing if style & wxTE_AUTO_URL
1921 // ----------------------------------------------------------------------------
1922
1923 // FIXME: when dragging on a link the sample gets an "Unknown event".
1924 // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
1925 // a buggy sample, or something else
1926 void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
1927 {
1928     event.Skip();
1929     if( !HasFlag(wxTE_AUTO_URL) )
1930         return;
1931
1932     gint x, y;
1933     GtkTextIter start, end;
1934     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
1935                                                 "wxUrl");
1936
1937     gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
1938                                           event.GetX(), event.GetY(), &x, &y);
1939
1940     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
1941     if (!gtk_text_iter_has_tag(&end, tag))
1942     {
1943         SetCursor(wxCursor(wxCURSOR_IBEAM));
1944         return;
1945     }
1946
1947     SetCursor(wxCursor(wxCURSOR_HAND));
1948
1949     start = end;
1950     if(!gtk_text_iter_begins_tag(&start, tag))
1951         gtk_text_iter_backward_to_tag_toggle(&start, tag);
1952     if(!gtk_text_iter_ends_tag(&end, tag))
1953         gtk_text_iter_forward_to_tag_toggle(&end, tag);
1954
1955     // Native context menu is probably not desired on an URL.
1956     // Consider making this dependent on ProcessEvent(wxTextUrlEvent) return value
1957     if(event.GetEventType() == wxEVT_RIGHT_DOWN)
1958         event.Skip(false);
1959
1960     wxTextUrlEvent url_event(m_windowId, event,
1961                              gtk_text_iter_get_offset(&start),
1962                              gtk_text_iter_get_offset(&end));
1963
1964     InitCommandEvent(url_event);
1965     // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
1966     //event.Skip(!HandleWindowEvent(url_event));
1967     HandleWindowEvent(url_event);
1968 }
1969
1970 bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
1971 {
1972     bool rc = wxTextCtrlBase::GTKProcessEvent(event);
1973
1974     // GtkTextView starts a drag operation when left mouse button is pressed
1975     // and ends it when it is released and if it doesn't get the release event
1976     // the next click on a control results in an assertion failure inside
1977     // gtk_text_view_start_selection_drag() which simply *kills* the program
1978     // without anything we can do about it, so always let GTK+ have this event
1979     return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
1980 }
1981
1982 // static
1983 wxVisualAttributes
1984 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1985 {
1986     return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
1987 }
1988
1989 #endif // wxUSE_TEXTCTRL