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 #include "wx/textctrl.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/intl.h"
  17     #include "wx/log.h"
  18     #include "wx/utils.h"
  19     #include "wx/settings.h"
  20     #include "wx/math.h"
  21 #endif
  22
  23 #include "wx/strconv.h"
  24 #include "wx/fontutil.h"        // for wxNativeFontInfo (GetNativeFontInfo())
  25
  26 #include <sys/types.h>
  27 #include <sys/stat.h>
  28 #include <ctype.h>
  29
  30 #include "wx/gtk/private.h"
  31
  32 // ----------------------------------------------------------------------------
  33 // helpers
  34 // ----------------------------------------------------------------------------
  35
  36 extern "C" {
  37 static void wxGtkOnRemoveTag(GtkTextBuffer *buffer,
  38                              GtkTextTag *tag,
  39                              GtkTextIter *start,
  40                              GtkTextIter *end,
  41                              char *prefix)
  42 {
  43     gchar *name;
  44     g_object_get (tag, "name", &name, NULL);
  45
  46     if (!name || strncmp(name, prefix, strlen(prefix)))
  47         // anonymous tag or not starting with prefix - don't remove
  48         g_signal_stop_emission_by_name (buffer, "remove_tag");
  49
  50     g_free(name);
  51 }
  52 }
  53
  54 static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
  55                                        GtkTextBuffer *text_buffer,
  56                                        const wxTextAttr& attr,
  57                                        GtkTextIter *start,
  58                                        GtkTextIter *end)
  59 {
  60     static gchar buf[1024];
  61     GtkTextTag *tag;
  62
  63     gulong remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
  64             G_CALLBACK (wxGtkOnRemoveTag), gpointer("WX"));
  65     gtk_text_buffer_remove_all_tags(text_buffer, start, end);
  66     g_signal_handler_disconnect (text_buffer, remove_handler_id);
  67
  68     if (attr.HasFont())
  69     {
  70         PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description;
  71         wxGtkString font_string(pango_font_description_to_string(font_description));
  72         g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());
  73         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
  74                                          buf );
  75         if (!tag)
  76             tag = gtk_text_buffer_create_tag( text_buffer, buf,
  77                                               "font-desc", font_description,
  78                                               NULL );
  79         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
  80
  81         if (attr.GetFont().GetUnderlined())
  82         {
  83             g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE");
  84             tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
  85                                              buf );
  86             if (!tag)
  87                 tag = gtk_text_buffer_create_tag( text_buffer, buf,
  88                                                   "underline-set", TRUE,
  89                                                   "underline", PANGO_UNDERLINE_SINGLE,
  90                                                   NULL );
  91             gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
  92         }
  93     }
  94
  95     if (attr.HasTextColour())
  96     {
  97         const GdkColor *colFg = attr.GetTextColour().GetColor();
  98         g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
  99                    colFg->red, colFg->green, colFg->blue);
 100         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 101                                          buf );
 102         if (!tag)
 103             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 104                                               "foreground-gdk", colFg, NULL );
 105         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 106     }
 107
 108     if (attr.HasBackgroundColour())
 109     {
 110         const GdkColor *colBg = attr.GetBackgroundColour().GetColor();
 111         g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
 112                    colBg->red, colBg->green, colBg->blue);
 113         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 114                                          buf );
 115         if (!tag)
 116             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 117                                               "background-gdk", colBg, NULL );
 118         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 119     }
 120
 121     if (attr.HasAlignment())
 122     {
 123         GtkTextIter para_start, para_end = *end;
 124         gtk_text_buffer_get_iter_at_line( text_buffer,
 125                                           &para_start,
 126                                           gtk_text_iter_get_line(start) );
 127         gtk_text_iter_forward_line(&para_end);
 128
 129         remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
 130                                               G_CALLBACK(wxGtkOnRemoveTag),
 131                                               gpointer("WXALIGNMENT"));
 132         gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
 133         g_signal_handler_disconnect (text_buffer, remove_handler_id);
 134
 135         GtkJustification align;
 136         switch (attr.GetAlignment())
 137         {
 138             default:
 139                 align = GTK_JUSTIFY_LEFT;
 140                 break;
 141             case wxTEXT_ALIGNMENT_RIGHT:
 142                 align = GTK_JUSTIFY_RIGHT;
 143                 break;
 144             case wxTEXT_ALIGNMENT_CENTER:
 145                 align = GTK_JUSTIFY_CENTER;
 146                 break;
 147             // gtk+ doesn't support justify as of gtk+-2.7.4
 148         }
 149
 150         g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align);
 151         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 152                                          buf );
 153         if (!tag)
 154             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 155                                               "justification", align, NULL );
 156         gtk_text_buffer_apply_tag( text_buffer, tag, &para_start, &para_end );
 157     }
 158
 159     if (attr.HasLeftIndent())
 160     {
 161         // Indentation attribute
 162
 163         // Clear old indentation tags
 164         GtkTextIter para_start, para_end = *end;
 165         gtk_text_buffer_get_iter_at_line( text_buffer,
 166                                           &para_start,
 167                                           gtk_text_iter_get_line(start) );
 168         gtk_text_iter_forward_line(&para_end);
 169
 170         remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
 171                                               G_CALLBACK(wxGtkOnRemoveTag),
 172                                               gpointer("WXINDENT"));
 173         gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
 174         g_signal_handler_disconnect (text_buffer, remove_handler_id);
 175
 176         // Convert indent from 1/10th of a mm into pixels
 177         float factor;
 178 #if GTK_CHECK_VERSION(2,2,0)
 179         if (!gtk_check_version(2,2,0))
 180             factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
 181                       gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
 182         else
 183 #endif
 184             factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
 185
 186         const int indent = (int)(factor * attr.GetLeftIndent());
 187         const int subIndent = (int)(factor * attr.GetLeftSubIndent());
 188
 189         gint gindent;
 190         gint gsubindent;
 191
 192         if (subIndent >= 0)
 193         {
 194             gindent = indent;
 195             gsubindent = -subIndent;
 196         }
 197         else
 198         {
 199             gindent = -subIndent;
 200             gsubindent = indent;
 201         }
 202
 203         g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent);
 204         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 205                                         buf );
 206         if (!tag)
 207             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 208                                               "left-margin", gindent, "indent", gsubindent, NULL );
 209         gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
 210     }
 211
 212     if (attr.HasTabs())
 213     {
 214         // Set tab stops
 215
 216         // Clear old tabs
 217         GtkTextIter para_start, para_end = *end;
 218         gtk_text_buffer_get_iter_at_line( text_buffer,
 219                                           &para_start,
 220                                           gtk_text_iter_get_line(start) );
 221         gtk_text_iter_forward_line(&para_end);
 222
 223         remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
 224                                               G_CALLBACK(wxGtkOnRemoveTag),
 225                                               gpointer("WXTABS"));
 226         gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
 227         g_signal_handler_disconnect (text_buffer, remove_handler_id);
 228
 229         const wxArrayInt& tabs = attr.GetTabs();
 230
 231         wxString tagname = _T("WXTABS");
 232         g_snprintf(buf, sizeof(buf), "WXTABS");
 233         for (size_t i = 0; i < tabs.GetCount(); i++)
 234             tagname += wxString::Format(_T(" %d"), tabs[i]);
 235
 236         const wxWX2MBbuf buf = tagname.mb_str(wxConvUTF8);
 237
 238         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 239                                         buf );
 240         if (!tag)
 241         {
 242             // Factor to convert from 1/10th of a mm into pixels
 243             float factor;
 244 #if GTK_CHECK_VERSION(2,2,0)
 245             if (!gtk_check_version(2,2,0))
 246                 factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
 247                           gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
 248             else
 249 #endif
 250                 factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
 251
 252             PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE);
 253             for (size_t i = 0; i < tabs.GetCount(); i++)
 254                 pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor));
 255             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 256                                               "tabs", tabArray, NULL );
 257             pango_tab_array_free(tabArray);
 258         }
 259         gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
 260     }
 261 }
 262
 263 static void wxGtkTextInsert(GtkWidget *text,
 264                             GtkTextBuffer *text_buffer,
 265                             const wxTextAttr& attr,
 266                             const wxCharBuffer& buffer)
 267
 268 {
 269     gint start_offset;
 270     GtkTextIter iter, start;
 271
 272     gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
 273                                      gtk_text_buffer_get_insert (text_buffer) );
 274     start_offset = gtk_text_iter_get_offset (&iter);
 275     gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) );
 276
 277     gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
 278
 279     wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
 280 }
 281
 282 // ----------------------------------------------------------------------------
 283 // "insert_text" for GtkEntry
 284 // ----------------------------------------------------------------------------
 285
 286 extern "C" {
 287 static void
 288 gtk_insert_text_callback(GtkEditable *editable,
 289                          const gchar *new_text,
 290                          gint new_text_length,
 291                          gint *position,
 292                          wxTextCtrl *win)
 293 {
 294     if (g_isIdle)
 295         wxapp_install_idle_handler();
 296
 297     // we should only be called if we have a max len limit at all
 298     GtkEntry *entry = GTK_ENTRY (editable);
 299
 300     wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") );
 301
 302     // check that we don't overflow the max length limit
 303     //
 304     // FIXME: this doesn't work when we paste a string which is going to be
 305     //        truncated
 306     if ( entry->text_length == entry->text_max_length )
 307     {
 308         // we don't need to run the base class version at all
 309         g_signal_stop_emission_by_name (editable, "insert_text");
 310
 311         // remember that the next changed signal is to be ignored to avoid
 312         // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
 313         win->IgnoreNextTextUpdate();
 314
 315         // and generate the correct one ourselves
 316         wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
 317         event.SetEventObject(win);
 318         event.SetString(win->GetValue());
 319         win->GetEventHandler()->ProcessEvent( event );
 320     }
 321 }
 322 }
 323
 324 // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
 325
 326 extern "C" {
 327 static void
 328 au_apply_tag_callback(GtkTextBuffer *buffer,
 329                       GtkTextTag *tag,
 330                       GtkTextIter *start,
 331                       GtkTextIter *end,
 332                       gpointer textctrl)
 333 {
 334     if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
 335         g_signal_stop_emission_by_name (buffer, "apply_tag");
 336 }
 337 }
 338
 339 //-----------------------------------------------------------------------------
 340 //  GtkTextCharPredicates for gtk_text_iter_*_find_char
 341 //-----------------------------------------------------------------------------
 342
 343 extern "C" {
 344 static gboolean
 345 pred_whitespace (gunichar ch, gpointer user_data)
 346 {
 347     return g_unichar_isspace(ch);
 348 }
 349 }
 350
 351 extern "C" {
 352 static gboolean
 353 pred_non_whitespace (gunichar ch, gpointer user_data)
 354 {
 355     return !g_unichar_isspace(ch);
 356 }
 357 }
 358
 359 extern "C" {
 360 static gboolean
 361 pred_nonpunct (gunichar ch, gpointer user_data)
 362 {
 363     return !g_unichar_ispunct(ch);
 364 }
 365 }
 366
 367 extern "C" {
 368 static gboolean
 369 pred_nonpunct_or_slash (gunichar ch, gpointer user_data)
 370 {
 371     return !g_unichar_ispunct(ch) || ch == '/';
 372 }
 373 }
 374
 375 //-----------------------------------------------------------------------------
 376 //  Check for links between s and e and correct tags as necessary
 377 //-----------------------------------------------------------------------------
 378
 379 // This function should be made match better while being efficient at one point.
 380 // Most probably with a row of regular expressions.
 381 extern "C" {
 382 static void
 383 au_check_word( GtkTextIter *s, GtkTextIter *e )
 384 {
 385     static const char *URIPrefixes[] =
 386     {
 387         "http://",
 388         "ftp://",
 389         "www.",
 390         "ftp.",
 391         "mailto://",
 392         "https://",
 393         "file://",
 394         "nntp://",
 395         "news://",
 396         "telnet://",
 397         "mms://",
 398         "gopher://",
 399         "prospero://",
 400         "wais://",
 401     };
 402
 403     GtkTextIter start = *s, end = *e;
 404     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 405
 406     // Get our special link tag
 407     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 408
 409     // Get rid of punctuation from beginning and end.
 410     // Might want to move this to au_check_range if an improved link checking doesn't
 411     // use some intelligent punctuation checking itself (beware of undesired iter modifications).
 412     if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
 413         gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
 414
 415     gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
 416     gtk_text_iter_forward_char(&end);
 417
 418     gchar* text = gtk_text_iter_get_text( &start, &end );
 419     size_t len = strlen(text), prefix_len;
 420     size_t n;
 421
 422     for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
 423     {
 424         prefix_len = strlen(URIPrefixes[n]);
 425         if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
 426             break;
 427     }
 428
 429     if(n < WXSIZEOF(URIPrefixes))
 430     {
 431         gulong signal_id = g_signal_handler_find (buffer,
 432                                                   (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
 433                                                   0, 0, NULL,
 434                                                   (gpointer)au_apply_tag_callback, NULL);
 435
 436         g_signal_handler_block (buffer, signal_id);
 437         gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
 438         g_signal_handler_unblock (buffer, signal_id);
 439     }
 440 }
 441 }
 442
 443 extern "C" {
 444 static void
 445 au_check_range(GtkTextIter *s,
 446                GtkTextIter *range_end)
 447 {
 448     GtkTextIter range_start = *s;
 449     GtkTextIter word_end;
 450     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 451     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 452
 453     gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
 454
 455     if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
 456         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 457
 458     while(!gtk_text_iter_equal(&range_start, range_end))
 459     {
 460         word_end = range_start;
 461         gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
 462
 463         // Now we should have a word delimited by range_start and word_end, correct link tags
 464         au_check_word(&range_start, &word_end);
 465
 466         range_start = word_end;
 467         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 468     }
 469 }
 470 }
 471
 472 //-----------------------------------------------------------------------------
 473 //  "insert-text" for GtkTextBuffer
 474 //-----------------------------------------------------------------------------
 475
 476 extern "C" {
 477 static void
 478 au_insert_text_callback(GtkTextBuffer *buffer,
 479                         GtkTextIter *end,
 480                         gchar *text,
 481                         gint len,
 482                         wxTextCtrl *win)
 483 {
 484     if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 485         return;
 486
 487     GtkTextIter start = *end;
 488     gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
 489
 490     GtkTextIter line_start = start;
 491     GtkTextIter line_end = *end;
 492     GtkTextIter words_start = start;
 493     GtkTextIter words_end = *end;
 494
 495     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
 496     gtk_text_iter_forward_to_line_end(&line_end);
 497     gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
 498     gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
 499
 500     au_check_range(&words_start, &words_end);
 501 }
 502 }
 503
 504 //-----------------------------------------------------------------------------
 505 //  "delete-range" for GtkTextBuffer
 506 //-----------------------------------------------------------------------------
 507
 508 extern "C" {
 509 static void
 510 au_delete_range_callback(GtkTextBuffer *buffer,
 511                          GtkTextIter *start,
 512                          GtkTextIter *end,
 513                          wxTextCtrl *win)
 514 {
 515     if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 516         return;
 517
 518     GtkTextIter line_start = *start, line_end = *end;
 519
 520     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
 521     gtk_text_iter_forward_to_line_end(&line_end);
 522     gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
 523     gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
 524
 525     au_check_range(start, end);
 526 }
 527 }
 528
 529
 530 //-----------------------------------------------------------------------------
 531 //  "changed"
 532 //-----------------------------------------------------------------------------
 533
 534 extern "C" {
 535 static void
 536 gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
 537 {
 538     if ( win->IgnoreTextUpdate() )
 539         return;
 540
 541     if (!win->m_hasVMT) return;
 542
 543     if (g_isIdle)
 544         wxapp_install_idle_handler();
 545
 546     if ( win->MarkDirtyOnChange() )
 547         win->MarkDirty();
 548
 549     win->SendTextUpdatedEvent();
 550 }
 551 }
 552
 553 //-----------------------------------------------------------------------------
 554 //  clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard"
 555 //-----------------------------------------------------------------------------
 556
 557 // common part of the event handlers below
 558 static void
 559 handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win,
 560                                 wxEventType eventType, const gchar * signal_name)
 561 {
 562     wxClipboardTextEvent event( eventType, win->GetId() );
 563     event.SetEventObject( win );
 564     if ( win->GetEventHandler()->ProcessEvent( event ) )
 565     {
 566         // don't let the default processing to take place if we did something
 567         // ourselves in the event handler
 568         g_signal_stop_emission_by_name (widget, signal_name);
 569     }
 570 }
 571
 572 extern "C" {
 573 static void
 574 gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 575 {
 576     handle_text_clipboard_callback(
 577         widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" );
 578 }
 579
 580 static void
 581 gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 582 {
 583     handle_text_clipboard_callback(
 584         widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" );
 585 }
 586
 587 static void
 588 gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 589 {
 590     handle_text_clipboard_callback(
 591         widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" );
 592 }
 593 }
 594
 595 //-----------------------------------------------------------------------------
 596 // "expose_event" from scrolled window and textview
 597 //-----------------------------------------------------------------------------
 598
 599 extern "C" {
 600 static gboolean
 601 gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win )
 602 {
 603     return TRUE;
 604 }
 605 }
 606
 607
 608 //-----------------------------------------------------------------------------
 609 //  wxTextCtrl
 610 //-----------------------------------------------------------------------------
 611
 612 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 613
 614 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 615     EVT_CHAR(wxTextCtrl::OnChar)
 616
 617     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 618     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 619     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 620     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 621     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 622
 623     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 624     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 625     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 626     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 627     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 628
 629     // wxTE_AUTO_URL wxTextUrl support. Currently only creates
 630     // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
 631     EVT_MOTION      (wxTextCtrl::OnUrlMouseEvent)
 632     EVT_LEFT_DOWN   (wxTextCtrl::OnUrlMouseEvent)
 633     EVT_LEFT_UP     (wxTextCtrl::OnUrlMouseEvent)
 634     EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
 635     EVT_RIGHT_DOWN  (wxTextCtrl::OnUrlMouseEvent)
 636     EVT_RIGHT_UP    (wxTextCtrl::OnUrlMouseEvent)
 637     EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
 638 END_EVENT_TABLE()
 639
 640 void wxTextCtrl::Init()
 641 {
 642     m_dontMarkDirty =
 643     m_modified = false;
 644
 645     m_countUpdatesToIgnore = 0;
 646
 647     SetUpdateFont(false);
 648
 649     m_text = NULL;
 650     m_frozenness = 0;
 651     m_gdkHandCursor = NULL;
 652     m_gdkXTermCursor = NULL;
 653 }
 654
 655 wxTextCtrl::~wxTextCtrl()
 656 {
 657     if(m_gdkHandCursor)
 658         gdk_cursor_unref(m_gdkHandCursor);
 659     if(m_gdkXTermCursor)
 660         gdk_cursor_unref(m_gdkXTermCursor);
 661 }
 662
 663 wxTextCtrl::wxTextCtrl( wxWindow *parent,
 664                         wxWindowID id,
 665                         const wxString &value,
 666                         const wxPoint &pos,
 667                         const wxSize &size,
 668                         long style,
 669                         const wxValidator& validator,
 670                         const wxString &name )
 671 {
 672     Init();
 673
 674     Create( parent, id, value, pos, size, style, validator, name );
 675 }
 676
 677 bool wxTextCtrl::Create( wxWindow *parent,
 678                          wxWindowID id,
 679                          const wxString &value,
 680                          const wxPoint &pos,
 681                          const wxSize &size,
 682                          long style,
 683                          const wxValidator& validator,
 684                          const wxString &name )
 685 {
 686     m_needParent = true;
 687     m_acceptsFocus = true;
 688
 689     if (!PreCreation( parent, pos, size ) ||
 690         !CreateBase( parent, id, pos, size, style, validator, name ))
 691     {
 692         wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
 693         return false;
 694     }
 695
 696     bool multi_line = (style & wxTE_MULTILINE) != 0;
 697
 698     if (multi_line)
 699     {
 700         // Create view
 701         m_text = gtk_text_view_new();
 702
 703         m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
 704
 705         // create scrolled window
 706         m_widget = gtk_scrolled_window_new( NULL, NULL );
 707         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
 708                                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 709         // for ScrollLines/Pages
 710         m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar;
 711
 712         // Insert view into scrolled window
 713         gtk_container_add( GTK_CONTAINER(m_widget), m_text );
 714
 715         GTKSetWrapMode();
 716
 717         GtkScrolledWindowSetBorder(m_widget, style);
 718
 719         gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
 720
 721         GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 722     }
 723     else
 724     {
 725         // a single-line text control: no need for scrollbars
 726         m_widget =
 727         m_text = gtk_entry_new();
 728
 729         if (style & wxNO_BORDER)
 730             g_object_set (m_text, "has-frame", FALSE, NULL);
 731     }
 732
 733     m_parent->DoAddChild( this );
 734
 735     m_focusWidget = m_text;
 736
 737     PostCreation(size);
 738
 739     if (multi_line)
 740     {
 741         gtk_widget_show(m_text);
 742     }
 743
 744     if (!value.empty())
 745     {
 746         SetValue( value );
 747     }
 748
 749     if (style & wxTE_PASSWORD)
 750         GTKSetVisibility();
 751
 752     if (style & wxTE_READONLY)
 753         GTKSetEditable();
 754
 755     // left justification (alignment) is the default anyhow
 756     if ( style & (wxTE_RIGHT | wxTE_CENTRE) )
 757         GTKSetJustification();
 758
 759     // We want to be notified about text changes.
 760     if (multi_line)
 761     {
 762         g_signal_connect (m_buffer, "changed",
 763                           G_CALLBACK (gtk_text_changed_callback), this);
 764
 765         // .. and handle URLs on multi-line controls with wxTE_AUTO_URL style
 766         if (style & wxTE_AUTO_URL)
 767         {
 768             GtkTextIter start, end;
 769             m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
 770             m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
 771
 772             // We create our wxUrl tag here for slight efficiency gain - we
 773             // don't have to check for the tag existance in callbacks,
 774             // hereby it's guaranteed to exist.
 775             gtk_text_buffer_create_tag(m_buffer, "wxUrl",
 776                                        "foreground", "blue",
 777                                        "underline", PANGO_UNDERLINE_SINGLE,
 778                                        NULL);
 779
 780             // Check for URLs after each text change
 781             g_signal_connect_after (m_buffer, "insert_text",
 782                                     G_CALLBACK (au_insert_text_callback), this);
 783             g_signal_connect_after (m_buffer, "delete_range",
 784                                     G_CALLBACK (au_delete_range_callback), this);
 785
 786             // Block all wxUrl tag applying unless we do it ourselves, in which case we
 787             // block this callback temporarily. This takes care of gtk+ internal
 788             // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
 789             // which is undesired because only a part of the URL might be copied.
 790             // The insert-text signal emitted inside it will take care of newly formed
 791             // or wholly copied URLs.
 792             g_signal_connect (m_buffer, "apply_tag",
 793                               G_CALLBACK (au_apply_tag_callback), NULL);
 794
 795             // Check for URLs in the initial string passed to Create
 796             gtk_text_buffer_get_start_iter(m_buffer, &start);
 797             gtk_text_buffer_get_end_iter(m_buffer, &end);
 798             au_check_range(&start, &end);
 799         }
 800     }
 801     else
 802     {
 803         g_signal_connect (m_text, "changed",
 804                           G_CALLBACK (gtk_text_changed_callback), this);
 805     }
 806
 807     g_signal_connect (m_text, "copy-clipboard",
 808                       G_CALLBACK (gtk_copy_clipboard_callback), this);
 809     g_signal_connect (m_text, "cut-clipboard",
 810                       G_CALLBACK (gtk_cut_clipboard_callback), this);
 811     g_signal_connect (m_text, "paste-clipboard",
 812                       G_CALLBACK (gtk_paste_clipboard_callback), this);
 813
 814     m_cursor = wxCursor( wxCURSOR_IBEAM );
 815
 816     wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
 817     SetDefaultStyle( attrDef );
 818
 819     return true;
 820 }
 821
 822 // ----------------------------------------------------------------------------
 823 // flags handling
 824 // ----------------------------------------------------------------------------
 825
 826 void wxTextCtrl::GTKSetEditable()
 827 {
 828     gboolean editable = !HasFlag(wxTE_READONLY);
 829     if ( IsSingleLine() )
 830         gtk_editable_set_editable(GTK_EDITABLE(m_text), editable);
 831     else
 832         gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable);
 833 }
 834
 835 void wxTextCtrl::GTKSetVisibility()
 836 {
 837     // VZ: shouldn't we assert if wxTE_PASSWORD is set for multiline control?
 838     if ( IsSingleLine() )
 839         gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD));
 840 }
 841
 842 void wxTextCtrl::GTKSetWrapMode()
 843 {
 844     // no wrapping in single line controls
 845     if ( !IsMultiLine() )
 846         return;
 847
 848     // translate wx wrapping style to GTK+
 849     GtkWrapMode wrap;
 850     if ( HasFlag( wxTE_DONTWRAP ) )
 851         wrap = GTK_WRAP_NONE;
 852     else if ( HasFlag( wxTE_CHARWRAP ) )
 853         wrap = GTK_WRAP_CHAR;
 854     else if ( HasFlag( wxTE_WORDWRAP ) )
 855         wrap = GTK_WRAP_WORD;
 856     else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
 857     {
 858         // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4
 859 #ifdef __WXGTK24__
 860         if ( !gtk_check_version(2,4,0) )
 861         {
 862             wrap = GTK_WRAP_WORD_CHAR;
 863         }
 864         else
 865 #endif // __WXGTK24__
 866         wrap = GTK_WRAP_WORD;
 867     }
 868
 869     gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
 870 }
 871
 872 void wxTextCtrl::GTKSetJustification()
 873 {
 874     if ( IsMultiLine() )
 875     {
 876         GtkJustification just;
 877         if ( HasFlag(wxTE_RIGHT) )
 878             just = GTK_JUSTIFY_RIGHT;
 879         else if ( HasFlag(wxTE_CENTRE) )
 880             just = GTK_JUSTIFY_CENTER;
 881         else // wxTE_LEFT == 0
 882             just = GTK_JUSTIFY_LEFT;
 883
 884         gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just);
 885     }
 886     else // single line
 887     {
 888 #ifdef __WXGTK24__
 889         // gtk_entry_set_alignment was introduced in gtk+-2.3.5
 890         if (!gtk_check_version(2,4,0))
 891         {
 892             gfloat align;
 893             if ( HasFlag(wxTE_RIGHT) )
 894                 align = 1.0;
 895             else if ( HasFlag(wxTE_CENTRE) )
 896                 align = 0.5;
 897             else // single line
 898                 align = 0.0;
 899
 900             gtk_entry_set_alignment(GTK_ENTRY(m_text), align);
 901         }
 902 #endif // __WXGTK24__
 903     }
 904
 905 }
 906
 907 void wxTextCtrl::SetWindowStyleFlag(long style)
 908 {
 909     long styleOld = GetWindowStyleFlag();
 910
 911     wxTextCtrlBase::SetWindowStyleFlag(style);
 912
 913     if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) )
 914         GTKSetEditable();
 915
 916     if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) )
 917         GTKSetVisibility();
 918
 919     static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP;
 920     if ( (style & flagsWrap) != (styleOld & flagsWrap) )
 921         GTKSetWrapMode();
 922
 923     static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
 924     if ( (style & flagsAlign) != (styleOld & flagsAlign) )
 925         GTKSetJustification();
 926 }
 927
 928 // ----------------------------------------------------------------------------
 929 // control value
 930 // ----------------------------------------------------------------------------
 931
 932 wxString wxTextCtrl::GetValue() const
 933 {
 934     wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
 935
 936     wxString tmp;
 937     if ( IsMultiLine() )
 938     {
 939         GtkTextIter start;
 940         gtk_text_buffer_get_start_iter( m_buffer, &start );
 941         GtkTextIter end;
 942         gtk_text_buffer_get_end_iter( m_buffer, &end );
 943         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
 944
 945         const wxWxCharBuffer buf = wxGTK_CONV_BACK(text);
 946         if ( buf )
 947             tmp = buf;
 948     }
 949     else
 950     {
 951         const gchar *text = gtk_entry_get_text( GTK_ENTRY(m_text) );
 952         const wxWxCharBuffer buf = wxGTK_CONV_BACK( text );
 953         if ( buf )
 954             tmp = buf;
 955     }
 956
 957     return tmp;
 958 }
 959
 960 wxFontEncoding wxTextCtrl::GetTextEncoding() const
 961 {
 962     // GTK+ uses UTF-8 internally, we need to convert to it but from which
 963     // encoding?
 964
 965     // first check the default text style (we intentionally don't check the
 966     // style for the current position as it doesn't make sense for SetValue())
 967     const wxTextAttr& style = GetDefaultStyle();
 968     wxFontEncoding enc = style.HasFont() ? style.GetFont().GetEncoding()
 969                                          : wxFONTENCODING_SYSTEM;
 970
 971     // fall back to the controls font if no style
 972     if ( enc == wxFONTENCODING_SYSTEM && m_hasFont )
 973         enc = GetFont().GetEncoding();
 974
 975     return enc;
 976 }
 977
 978 bool wxTextCtrl::IsEmpty() const
 979 {
 980     if ( IsMultiLine() )
 981         return gtk_text_buffer_get_char_count(m_buffer) == 0;
 982
 983     return wxTextCtrlBase::IsEmpty();
 984 }
 985
 986 void wxTextCtrl::DoSetValue( const wxString &value, int flags )
 987 {
 988     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 989
 990     // the control won't be modified any more as we programmatically replace
 991     // all the existing text, so reset the flag and don't set it again (and do
 992     // it now, before the text event handler is ran so that IsModified() called
 993     // from there returns the expected value)
 994     m_modified = false;
 995     DontMarkDirtyOnNextChange();
 996
 997     const wxCharBuffer buffer(wxGTK_CONV_ENC(value, GetTextEncoding()));
 998     if ( !buffer )
 999     {
1000         // see comment in WriteText() as to why we must warn the user about
1001         // this
1002         wxLogWarning(_("Failed to set text in the text control."));
1003         return;
1004     }
1005
1006     // if the control is not empty, two "changed" signals are emitted,
1007     // otherwise only one and we need to ignore either both or one of them
1008     int ignore = flags & SetValue_SendEvent ? 0 : 1;
1009     if ( !IsEmpty() )
1010         ignore++;
1011
1012     if ( ignore )
1013         IgnoreNextTextUpdate(ignore);
1014
1015     if ( IsMultiLine() )
1016     {
1017         gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
1018     }
1019     else // single line
1020     {
1021         gtk_entry_set_text( GTK_ENTRY(m_text), buffer );
1022     }
1023
1024     // if, for whatever reason, the callback wasn't called the expected number
1025     // of times, still reset the flags to the default values
1026     m_dontMarkDirty = false;
1027     m_countUpdatesToIgnore = 0;
1028
1029
1030     // GRG, Jun/2000: Changed this after a lot of discussion in
1031     //   the lists. wxWidgets 2.2 will have a set of flags to
1032     //   customize this behaviour.
1033     SetInsertionPoint(0);
1034 }
1035
1036 void wxTextCtrl::WriteText( const wxString &text )
1037 {
1038     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1039
1040     if ( text.empty() )
1041         return;
1042
1043     // check if we have a specific style for the current position
1044     wxFontEncoding enc = wxFONTENCODING_SYSTEM;
1045     wxTextAttr style;
1046     if ( GetStyle(GetInsertionPoint(), style) && style.HasFont() )
1047     {
1048         enc = style.GetFont().GetEncoding();
1049     }
1050
1051     if ( enc == wxFONTENCODING_SYSTEM )
1052         enc = GetTextEncoding();
1053
1054     const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc));
1055     if ( !buffer )
1056     {
1057         // we must log an error here as losing the text like this can be a
1058         // serious problem (e.g. imagine the document edited by user being
1059         // empty instead of containing the correct text)
1060         wxLogWarning(_("Failed to insert text in the control."));
1061         return;
1062     }
1063
1064     // we're changing the text programmatically
1065     DontMarkDirtyOnNextChange();
1066
1067     if ( IsMultiLine() )
1068     {
1069         // First remove the selection if there is one
1070         // TODO:  Is there an easier GTK specific way to do this?
1071         long from, to;
1072         GetSelection(&from, &to);
1073         if (from != to)
1074             Remove(from, to);
1075
1076         // Insert the text
1077         wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
1078
1079         GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
1080         // Scroll to cursor, but only if scrollbar thumb is at the very bottom
1081         // won't work when frozen, text view is not using m_buffer then
1082         if (!IsFrozen() && wxIsSameDouble(adj->value, adj->upper - adj->page_size))
1083         {
1084             gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
1085                     gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
1086         }
1087     }
1088     else // single line
1089     {
1090         // First remove the selection if there is one
1091         gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
1092
1093         // This moves the cursor pos to behind the inserted text.
1094         gint len = gtk_editable_get_position(GTK_EDITABLE(m_text));
1095
1096         gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
1097
1098         // Bring entry's cursor uptodate.
1099         gtk_editable_set_position( GTK_EDITABLE(m_text), len );
1100     }
1101 }
1102
1103 void wxTextCtrl::AppendText( const wxString &text )
1104 {
1105     SetInsertionPointEnd();
1106     WriteText( text );
1107 }
1108
1109 wxString wxTextCtrl::GetLineText( long lineNo ) const
1110 {
1111     wxString result;
1112     if ( IsMultiLine() )
1113     {
1114         GtkTextIter line;
1115         gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1116         GtkTextIter end = line;
1117         gtk_text_iter_forward_to_line_end(&end);
1118         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
1119         result = wxGTK_CONV_BACK(text);
1120     }
1121     else
1122     {
1123         if (lineNo == 0)
1124             result = GetValue();
1125     }
1126     return result;
1127 }
1128
1129 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1130 {
1131   /* If you implement this, don't forget to update the documentation!
1132    * (file docs/latex/wx/text.tex) */
1133     wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1134 }
1135
1136 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1137 {
1138     if ( IsMultiLine() )
1139     {
1140         GtkTextIter iter;
1141
1142         if (pos > GetLastPosition())
1143             return false;
1144
1145         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1146
1147         if ( y )
1148             *y = gtk_text_iter_get_line(&iter);
1149         if ( x )
1150             *x = gtk_text_iter_get_line_offset(&iter);
1151     }
1152     else // single line control
1153     {
1154         if ( pos <= GTK_ENTRY(m_text)->text_length )
1155         {
1156             if ( y )
1157                 *y = 0;
1158             if ( x )
1159                 *x = pos;
1160         }
1161         else
1162         {
1163             // index out of bounds
1164             return false;
1165         }
1166     }
1167
1168     return true;
1169 }
1170
1171 long wxTextCtrl::XYToPosition(long x, long y ) const
1172 {
1173     if ( IsSingleLine() )
1174         return 0;
1175
1176     GtkTextIter iter;
1177     if (y >= gtk_text_buffer_get_line_count (m_buffer))
1178         return -1;
1179
1180     gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y);
1181     if (x >= gtk_text_iter_get_chars_in_line (&iter))
1182         return -1;
1183
1184     return gtk_text_iter_get_offset(&iter) + x;
1185 }
1186
1187 int wxTextCtrl::GetLineLength(long lineNo) const
1188 {
1189     if ( IsMultiLine() )
1190     {
1191         int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1192         if (lineNo > last_line)
1193             return -1;
1194
1195         GtkTextIter iter;
1196         gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1197         // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1198         return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1199     }
1200     else
1201     {
1202         wxString str = GetLineText (lineNo);
1203         return (int) str.length();
1204     }
1205 }
1206
1207 int wxTextCtrl::GetNumberOfLines() const
1208 {
1209     if ( IsMultiLine() )
1210     {
1211         return gtk_text_buffer_get_line_count( m_buffer );
1212     }
1213     else // single line
1214     {
1215         return 1;
1216     }
1217 }
1218
1219 void wxTextCtrl::SetInsertionPoint( long pos )
1220 {
1221     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1222
1223     if ( IsMultiLine() )
1224     {
1225         GtkTextIter iter;
1226         gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1227         gtk_text_buffer_place_cursor( m_buffer, &iter );
1228         if (!IsFrozen())
1229         {
1230             // won't work when frozen, text view is not using m_buffer then
1231             gtk_text_view_scroll_mark_onscreen
1232             (
1233                 GTK_TEXT_VIEW(m_text),
1234                 gtk_text_buffer_get_insert( m_buffer )
1235             );
1236         }
1237     }
1238     else
1239     {
1240         // FIXME: Is the editable's cursor really uptodate without double set_position in GTK2?
1241         gtk_editable_set_position(GTK_EDITABLE(m_text), int(pos));
1242     }
1243 }
1244
1245 void wxTextCtrl::SetInsertionPointEnd()
1246 {
1247     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1248
1249     if ( IsMultiLine() )
1250     {
1251         GtkTextIter end;
1252         gtk_text_buffer_get_end_iter( m_buffer, &end );
1253         gtk_text_buffer_place_cursor( m_buffer, &end );
1254     }
1255     else
1256     {
1257         gtk_editable_set_position( GTK_EDITABLE(m_text), -1 );
1258     }
1259 }
1260
1261 void wxTextCtrl::SetEditable( bool editable )
1262 {
1263     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1264
1265     if ( IsMultiLine() )
1266     {
1267         gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1268     }
1269     else
1270     {
1271         gtk_editable_set_editable( GTK_EDITABLE(m_text), editable );
1272     }
1273 }
1274
1275 bool wxTextCtrl::Enable( bool enable )
1276 {
1277     if (!wxWindowBase::Enable(enable))
1278     {
1279         // nothing to do
1280         return false;
1281     }
1282
1283     if ( IsMultiLine() )
1284     {
1285         SetEditable( enable );
1286     }
1287     else
1288     {
1289         gtk_widget_set_sensitive( m_text, enable );
1290     }
1291
1292     return true;
1293 }
1294
1295 // wxGTK-specific: called recursively by Enable,
1296 // to give widgets an oppprtunity to correct their colours after they
1297 // have been changed by Enable
1298 void wxTextCtrl::OnParentEnable( bool enable )
1299 {
1300     // If we have a custom background colour, we use this colour in both
1301     // disabled and enabled mode, or we end up with a different colour under the
1302     // text.
1303     wxColour oldColour = GetBackgroundColour();
1304     if (oldColour.Ok())
1305     {
1306         // Need to set twice or it'll optimize the useful stuff out
1307         if (oldColour == * wxWHITE)
1308             SetBackgroundColour(*wxBLACK);
1309         else
1310             SetBackgroundColour(*wxWHITE);
1311         SetBackgroundColour(oldColour);
1312     }
1313 }
1314
1315 void wxTextCtrl::MarkDirty()
1316 {
1317     m_modified = true;
1318 }
1319
1320 void wxTextCtrl::DiscardEdits()
1321 {
1322     m_modified = false;
1323 }
1324
1325 // ----------------------------------------------------------------------------
1326 // max text length support
1327 // ----------------------------------------------------------------------------
1328
1329 bool wxTextCtrl::IgnoreTextUpdate()
1330 {
1331     if ( m_countUpdatesToIgnore > 0 )
1332     {
1333         m_countUpdatesToIgnore--;
1334
1335         return true;
1336     }
1337
1338     return false;
1339 }
1340
1341 bool wxTextCtrl::MarkDirtyOnChange()
1342 {
1343     if ( m_dontMarkDirty )
1344     {
1345         m_dontMarkDirty = false;
1346
1347         return false;
1348     }
1349
1350     return true;
1351 }
1352
1353 void wxTextCtrl::SetMaxLength(unsigned long len)
1354 {
1355     if ( !HasFlag(wxTE_MULTILINE) )
1356     {
1357         gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
1358
1359         // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
1360         // we had tried to enter more text than allowed by max text length and
1361         // the text wasn't really changed
1362         //
1363         // to detect this and generate TEXT_MAXLEN event instead of
1364         // TEXT_CHANGED one in this case we also catch "insert_text" signal
1365         //
1366         // when max len is set to 0 we disconnect our handler as it means that
1367         // we shouldn't check anything any more
1368         if ( len )
1369         {
1370             g_signal_connect (m_text, "insert_text",
1371                               G_CALLBACK (gtk_insert_text_callback), this);
1372         }
1373         else // no checking
1374         {
1375             g_signal_handlers_disconnect_by_func (m_text,
1376                     (gpointer) gtk_insert_text_callback, this);
1377         }
1378     }
1379 }
1380
1381 void wxTextCtrl::SetSelection( long from, long to )
1382 {
1383     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1384
1385     if (from == -1 && to == -1)
1386     {
1387         from = 0;
1388         to = GetValue().length();
1389     }
1390
1391     if ( IsMultiLine() )
1392     {
1393         GtkTextIter fromi, toi;
1394         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1395         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1396
1397         gtk_text_buffer_place_cursor( m_buffer, &toi );
1398         gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1399     }
1400     else
1401     {
1402         gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1403     }
1404 }
1405
1406 void wxTextCtrl::ShowPosition( long pos )
1407 {
1408     // won't work when frozen, text view is not using m_buffer then
1409     if (IsMultiLine() && !IsFrozen())
1410     {
1411         GtkTextIter iter;
1412         gtk_text_buffer_get_start_iter( m_buffer, &iter );
1413         gtk_text_iter_set_offset( &iter, pos );
1414         GtkTextMark *mark = gtk_text_buffer_create_mark( m_buffer, NULL, &iter, TRUE );
1415         gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 );
1416     }
1417 }
1418
1419 wxTextCtrlHitTestResult
1420 wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1421 {
1422     if ( !IsMultiLine() )
1423     {
1424         // not supported
1425         return wxTE_HT_UNKNOWN;
1426     }
1427
1428     int x, y;
1429     gtk_text_view_window_to_buffer_coords
1430     (
1431         GTK_TEXT_VIEW(m_text),
1432         GTK_TEXT_WINDOW_TEXT,
1433         pt.x, pt.y,
1434         &x, &y
1435     );
1436
1437     GtkTextIter iter;
1438     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1439     if ( pos )
1440         *pos = gtk_text_iter_get_offset(&iter);
1441
1442     return wxTE_HT_ON_TEXT;
1443 }
1444
1445 long wxTextCtrl::GetInsertionPoint() const
1446 {
1447     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1448
1449     if ( IsMultiLine() )
1450     {
1451         // There is no direct accessor for the cursor, but
1452         // internally, the cursor is the "mark" called
1453         // "insert" in the text view's btree structure.
1454
1455         GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1456         GtkTextIter cursor;
1457         gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1458
1459         return gtk_text_iter_get_offset( &cursor );
1460     }
1461     else
1462     {
1463         return (long) gtk_editable_get_position(GTK_EDITABLE(m_text));
1464     }
1465 }
1466
1467 wxTextPos wxTextCtrl::GetLastPosition() const
1468 {
1469     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1470
1471     int pos = 0;
1472
1473     if ( IsMultiLine() )
1474     {
1475         GtkTextIter end;
1476         gtk_text_buffer_get_end_iter( m_buffer, &end );
1477
1478         pos = gtk_text_iter_get_offset( &end );
1479     }
1480     else
1481     {
1482         pos = GTK_ENTRY(m_text)->text_length;
1483     }
1484
1485     return (long)pos;
1486 }
1487
1488 void wxTextCtrl::Remove( long from, long to )
1489 {
1490     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1491
1492     if ( IsMultiLine() )
1493     {
1494         GtkTextIter fromi, toi;
1495         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1496         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1497
1498         gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1499     }
1500     else // single line
1501         gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1502 }
1503
1504 void wxTextCtrl::Replace( long from, long to, const wxString &value )
1505 {
1506     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1507
1508     Remove( from, to );
1509
1510     if (!value.empty())
1511     {
1512         SetInsertionPoint( from );
1513         WriteText( value );
1514     }
1515 }
1516
1517 void wxTextCtrl::Cut()
1518 {
1519     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1520
1521     if ( IsMultiLine() )
1522         g_signal_emit_by_name (m_text, "cut-clipboard");
1523     else
1524         gtk_editable_cut_clipboard(GTK_EDITABLE(m_text));
1525 }
1526
1527 void wxTextCtrl::Copy()
1528 {
1529     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1530
1531     if ( IsMultiLine() )
1532         g_signal_emit_by_name (m_text, "copy-clipboard");
1533     else
1534         gtk_editable_copy_clipboard(GTK_EDITABLE(m_text));
1535 }
1536
1537 void wxTextCtrl::Paste()
1538 {
1539     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1540
1541     if ( IsMultiLine() )
1542         g_signal_emit_by_name (m_text, "paste-clipboard");
1543     else
1544         gtk_editable_paste_clipboard(GTK_EDITABLE(m_text));
1545 }
1546
1547 // Undo/redo
1548 void wxTextCtrl::Undo()
1549 {
1550     // TODO
1551     wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1552 }
1553
1554 void wxTextCtrl::Redo()
1555 {
1556     // TODO
1557     wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1558 }
1559
1560 bool wxTextCtrl::CanUndo() const
1561 {
1562     // TODO
1563     //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1564     return false;
1565 }
1566
1567 bool wxTextCtrl::CanRedo() const
1568 {
1569     // TODO
1570     //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1571     return false;
1572 }
1573
1574 // If the return values from and to are the same, there is no
1575 // selection.
1576 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1577 {
1578     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1579
1580     gint from = -1;
1581     gint to = -1;
1582     bool haveSelection = false;
1583
1584      if ( IsMultiLine() )
1585      {
1586          GtkTextIter ifrom, ito;
1587          if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1588          {
1589              haveSelection = true;
1590              from = gtk_text_iter_get_offset(&ifrom);
1591              to = gtk_text_iter_get_offset(&ito);
1592          }
1593      }
1594      else  // not multi-line
1595      {
1596          if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1597                                                  &from, &to) )
1598          {
1599              haveSelection = true;
1600          }
1601      }
1602
1603      if (! haveSelection )
1604           from = to = GetInsertionPoint();
1605
1606      if ( from > to )
1607      {
1608          // exchange them to be compatible with wxMSW
1609          gint tmp = from;
1610          from = to;
1611          to = tmp;
1612      }
1613
1614     if ( fromOut )
1615         *fromOut = from;
1616     if ( toOut )
1617         *toOut = to;
1618 }
1619
1620
1621 bool wxTextCtrl::IsEditable() const
1622 {
1623     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1624
1625     if ( IsMultiLine() )
1626     {
1627         return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1628     }
1629     else
1630     {
1631         return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1632     }
1633 }
1634
1635 bool wxTextCtrl::IsModified() const
1636 {
1637     return m_modified;
1638 }
1639
1640 void wxTextCtrl::Clear()
1641 {
1642     SetValue( wxEmptyString );
1643 }
1644
1645 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1646 {
1647     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1648
1649     if ( key_event.GetKeyCode() == WXK_RETURN )
1650     {
1651         if ( HasFlag(wxTE_PROCESS_ENTER) )
1652         {
1653             wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1654             event.SetEventObject(this);
1655             event.SetString(GetValue());
1656             if ( GetEventHandler()->ProcessEvent(event) )
1657                 return;
1658         }
1659
1660         // FIXME: this is not the right place to do it, wxDialog::OnCharHook()
1661         //        probably is
1662         if ( IsSingleLine() )
1663         {
1664             // This will invoke the dialog default action, such
1665             // as the clicking the default button.
1666
1667             wxWindow *top_frame = m_parent;
1668             while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1669                 top_frame = top_frame->GetParent();
1670
1671             if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1672             {
1673                 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1674
1675                 if (window->default_widget)
1676                 {
1677                     gtk_widget_activate (window->default_widget);
1678                     return;
1679                 }
1680             }
1681         }
1682     }
1683
1684     key_event.Skip();
1685 }
1686
1687 GtkWidget* wxTextCtrl::GetConnectWidget()
1688 {
1689     return GTK_WIDGET(m_text);
1690 }
1691
1692 GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
1693 {
1694     if ( IsMultiLine() )
1695     {
1696         return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1697                                         GTK_TEXT_WINDOW_TEXT );
1698     }
1699     else
1700     {
1701         return GTK_ENTRY(m_text)->text_area;
1702     }
1703 }
1704
1705 // the font will change for subsequent text insertiongs
1706 bool wxTextCtrl::SetFont( const wxFont &font )
1707 {
1708     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1709
1710     if ( !wxTextCtrlBase::SetFont(font) )
1711     {
1712         // font didn't change, nothing to do
1713         return false;
1714     }
1715
1716     if ( IsMultiLine() )
1717     {
1718         SetUpdateFont(true);
1719
1720         m_defaultStyle.SetFont(font);
1721
1722         ChangeFontGlobally();
1723     }
1724
1725     return true;
1726 }
1727
1728 void wxTextCtrl::ChangeFontGlobally()
1729 {
1730     // this method is very inefficient and hence should be called as rarely as
1731     // possible!
1732     //
1733     // TODO: it can be implemented much more efficiently for GTK2
1734     wxASSERT_MSG( IsMultiLine(),
1735                   _T("shouldn't be called for single line controls") );
1736
1737     wxString value = GetValue();
1738     if ( !value.empty() )
1739     {
1740         SetUpdateFont(false);
1741
1742         Clear();
1743         AppendText(value);
1744     }
1745 }
1746
1747 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1748 {
1749     if ( !wxControl::SetForegroundColour(colour) )
1750         return false;
1751
1752     // update default fg colour too
1753     m_defaultStyle.SetTextColour(colour);
1754
1755     return true;
1756 }
1757
1758 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1759 {
1760     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1761
1762     if ( !wxControl::SetBackgroundColour( colour ) )
1763         return false;
1764
1765     if (!m_backgroundColour.Ok())
1766         return false;
1767
1768     // change active background color too
1769     m_defaultStyle.SetBackgroundColour( colour );
1770
1771     return true;
1772 }
1773
1774 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1775 {
1776     if ( IsMultiLine() )
1777     {
1778         if ( style.IsDefault() )
1779         {
1780             // nothing to do
1781             return true;
1782         }
1783
1784         gint l = gtk_text_buffer_get_char_count( m_buffer );
1785
1786         wxCHECK_MSG( start >= 0 && end <= l, false,
1787                      _T("invalid range in wxTextCtrl::SetStyle") );
1788
1789         GtkTextIter starti, endi;
1790         gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1791         gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1792
1793         // use the attributes from style which are set in it and fall back
1794         // first to the default style and then to the text control default
1795         // colours for the others
1796         wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this);
1797
1798         wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, attr, &starti, &endi );
1799
1800         return true;
1801     }
1802
1803     // else single line
1804     // cannot do this for GTK+'s Entry widget
1805     return false;
1806 }
1807
1808 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1809 {
1810     gtk_widget_modify_style(m_text, style);
1811 }
1812
1813 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1814 {
1815     Cut();
1816 }
1817
1818 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1819 {
1820     Copy();
1821 }
1822
1823 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1824 {
1825     Paste();
1826 }
1827
1828 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1829 {
1830     Undo();
1831 }
1832
1833 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1834 {
1835     Redo();
1836 }
1837
1838 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1839 {
1840     event.Enable( CanCut() );
1841 }
1842
1843 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1844 {
1845     event.Enable( CanCopy() );
1846 }
1847
1848 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1849 {
1850     event.Enable( CanPaste() );
1851 }
1852
1853 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1854 {
1855     event.Enable( CanUndo() );
1856 }
1857
1858 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1859 {
1860     event.Enable( CanRedo() );
1861 }
1862
1863 wxSize wxTextCtrl::DoGetBestSize() const
1864 {
1865     // FIXME should be different for multi-line controls...
1866     wxSize ret( wxControl::DoGetBestSize() );
1867     wxSize best(80, ret.y);
1868     CacheBestSize(best);
1869     return best;
1870 }
1871
1872 // ----------------------------------------------------------------------------
1873 // freeze/thaw
1874 // ----------------------------------------------------------------------------
1875
1876 void wxTextCtrl::Freeze()
1877 {
1878     wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
1879
1880     if ( HasFlag(wxTE_MULTILINE) )
1881     {
1882         if (m_frozenness++ == 0)
1883         {
1884             // freeze textview updates and remove buffer
1885             g_signal_connect (m_text, "expose_event",
1886                               G_CALLBACK (gtk_text_exposed_callback), this);
1887             g_signal_connect (m_widget, "expose_event",
1888                               G_CALLBACK (gtk_text_exposed_callback), this);
1889             gtk_widget_set_sensitive(m_widget, false);
1890             g_object_ref(m_buffer);
1891             GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
1892             GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;
1893             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
1894             // gtk_text_view_set_buffer adds its own reference
1895             g_object_unref(buf_new);
1896             // This mark should be deleted when the buffer is changed,
1897             // but it's not (in GTK+ up to at least 2.10.6).
1898             // Otherwise these anonymous marks start to build up in the buffer,
1899             // and Freeze takes longer and longer each time it is called.
1900             if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
1901                 gtk_text_buffer_delete_mark(m_buffer, mark);
1902         }
1903     }
1904 }
1905
1906 void wxTextCtrl::Thaw()
1907 {
1908     if ( HasFlag(wxTE_MULTILINE) )
1909     {
1910         wxCHECK_RET(m_frozenness != 0, _T("Thaw() without matching Freeze()"));
1911
1912         if (--m_frozenness == 0)
1913         {
1914             // Reattach buffer and thaw textview updates
1915             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1916             g_object_unref(m_buffer);
1917             gtk_widget_set_sensitive(m_widget, true);
1918             g_signal_handlers_disconnect_by_func (m_widget,
1919                     (gpointer) gtk_text_exposed_callback, this);
1920             g_signal_handlers_disconnect_by_func (m_text,
1921                     (gpointer) gtk_text_exposed_callback, this);
1922         }
1923     }
1924 }
1925
1926 // ----------------------------------------------------------------------------
1927 // wxTextUrlEvent passing if style & wxTE_AUTO_URL
1928 // ----------------------------------------------------------------------------
1929
1930 // FIXME: when dragging on a link the sample gets an "Unknown event".
1931 // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
1932 // a buggy sample, or something else
1933 void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
1934 {
1935     event.Skip();
1936     if( !HasFlag(wxTE_AUTO_URL) )
1937         return;
1938
1939     gint x, y;
1940     GtkTextIter start, end;
1941     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
1942                                                 "wxUrl");
1943
1944     gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
1945                                           event.GetX(), event.GetY(), &x, &y);
1946
1947     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
1948     if (!gtk_text_iter_has_tag(&end, tag))
1949     {
1950         gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1951                               GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
1952         return;
1953     }
1954
1955     gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1956                           GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
1957
1958     start = end;
1959     if(!gtk_text_iter_begins_tag(&start, tag))
1960         gtk_text_iter_backward_to_tag_toggle(&start, tag);
1961     if(!gtk_text_iter_ends_tag(&end, tag))
1962         gtk_text_iter_forward_to_tag_toggle(&end, tag);
1963
1964     // Native context menu is probably not desired on an URL.
1965     // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
1966     if(event.GetEventType() == wxEVT_RIGHT_DOWN)
1967         event.Skip(false);
1968
1969     wxTextUrlEvent url_event(m_windowId, event,
1970                              gtk_text_iter_get_offset(&start),
1971                              gtk_text_iter_get_offset(&end));
1972
1973     InitCommandEvent(url_event);
1974     // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
1975     //event.Skip(!GetEventHandler()->ProcessEvent(url_event));
1976     GetEventHandler()->ProcessEvent(url_event);
1977 }
1978
1979 bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
1980 {
1981     bool rc = wxTextCtrlBase::GTKProcessEvent(event);
1982
1983     // GtkTextView starts a drag operation when left mouse button is pressed
1984     // and ends it when it is released and if it doesn't get the release event
1985     // the next click on a control results in an assertion failure inside
1986     // gtk_text_view_start_selection_drag() which simply *kills* the program
1987     // without anything we can do about it, so always let GTK+ have this event
1988     return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
1989 }
1990
1991 // static
1992 wxVisualAttributes
1993 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1994 {
1995     return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
1996 }