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 // remove all tags starting with the given prefix from the start..end range
  55 static void
  56 wxGtkTextRemoveTagsWithPrefix(GtkTextBuffer *text_buffer,
  57                               const char *prefix,
  58                               GtkTextIter *start,
  59                               GtkTextIter *end)
  60 {
  61     gulong remove_handler_id = g_signal_connect
  62                                (
  63                                 text_buffer,
  64                                 "remove_tag",
  65                                 G_CALLBACK(wxGtkOnRemoveTag),
  66                                 gpointer(prefix)
  67                                );
  68     gtk_text_buffer_remove_all_tags(text_buffer, start, end);
  69     g_signal_handler_disconnect(text_buffer, remove_handler_id);
  70 }
  71
  72 static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
  73                                        GtkTextBuffer *text_buffer,
  74                                        const wxTextAttr& attr,
  75                                        GtkTextIter *start,
  76                                        GtkTextIter *end)
  77 {
  78     static gchar buf[1024];
  79     GtkTextTag *tag;
  80
  81     if (attr.HasFont())
  82     {
  83         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFONT", start, end);
  84
  85         PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description;
  86         wxGtkString font_string(pango_font_description_to_string(font_description));
  87         g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());
  88         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
  89                                          buf );
  90         if (!tag)
  91             tag = gtk_text_buffer_create_tag( text_buffer, buf,
  92                                               "font-desc", font_description,
  93                                               NULL );
  94         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
  95
  96         if (attr.GetFont().GetUnderlined())
  97         {
  98             g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE");
  99             tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 100                                              buf );
 101             if (!tag)
 102                 tag = gtk_text_buffer_create_tag( text_buffer, buf,
 103                                                   "underline-set", TRUE,
 104                                                   "underline", PANGO_UNDERLINE_SINGLE,
 105                                                   NULL );
 106             gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 107         }
 108     }
 109
 110     if (attr.HasTextColour())
 111     {
 112         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFORECOLOR", start, end);
 113
 114         const GdkColor *colFg = attr.GetTextColour().GetColor();
 115         g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
 116                    colFg->red, colFg->green, colFg->blue);
 117         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 118                                          buf );
 119         if (!tag)
 120             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 121                                               "foreground-gdk", colFg, NULL );
 122         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 123     }
 124
 125     if (attr.HasBackgroundColour())
 126     {
 127         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXBACKCOLOR", start, end);
 128
 129         const GdkColor *colBg = attr.GetBackgroundColour().GetColor();
 130         g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
 131                    colBg->red, colBg->green, colBg->blue);
 132         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 133                                          buf );
 134         if (!tag)
 135             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 136                                               "background-gdk", colBg, NULL );
 137         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 138     }
 139
 140     if (attr.HasAlignment())
 141     {
 142         GtkTextIter para_start, para_end = *end;
 143         gtk_text_buffer_get_iter_at_line( text_buffer,
 144                                           &para_start,
 145                                           gtk_text_iter_get_line(start) );
 146         gtk_text_iter_forward_line(&para_end);
 147
 148         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", start, end);
 149
 150         GtkJustification align;
 151         switch (attr.GetAlignment())
 152         {
 153             default:
 154                 align = GTK_JUSTIFY_LEFT;
 155                 break;
 156             case wxTEXT_ALIGNMENT_RIGHT:
 157                 align = GTK_JUSTIFY_RIGHT;
 158                 break;
 159             case wxTEXT_ALIGNMENT_CENTER:
 160                 align = GTK_JUSTIFY_CENTER;
 161                 break;
 162             // gtk+ doesn't support justify as of gtk+-2.7.4
 163         }
 164
 165         g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align);
 166         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 167                                          buf );
 168         if (!tag)
 169             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 170                                               "justification", align, NULL );
 171         gtk_text_buffer_apply_tag( text_buffer, tag, &para_start, &para_end );
 172     }
 173
 174     if (attr.HasLeftIndent())
 175     {
 176         // Indentation attribute
 177
 178         // Clear old indentation tags
 179         GtkTextIter para_start, para_end = *end;
 180         gtk_text_buffer_get_iter_at_line( text_buffer,
 181                                           &para_start,
 182                                           gtk_text_iter_get_line(start) );
 183         gtk_text_iter_forward_line(&para_end);
 184
 185         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", start, end);
 186
 187         // Convert indent from 1/10th of a mm into pixels
 188         float factor;
 189 #if GTK_CHECK_VERSION(2,2,0)
 190         if (!gtk_check_version(2,2,0))
 191             factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
 192                       gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
 193         else
 194 #endif
 195             factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
 196
 197         const int indent = (int)(factor * attr.GetLeftIndent());
 198         const int subIndent = (int)(factor * attr.GetLeftSubIndent());
 199
 200         gint gindent;
 201         gint gsubindent;
 202
 203         if (subIndent >= 0)
 204         {
 205             gindent = indent;
 206             gsubindent = -subIndent;
 207         }
 208         else
 209         {
 210             gindent = -subIndent;
 211             gsubindent = indent;
 212         }
 213
 214         g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent);
 215         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 216                                         buf );
 217         if (!tag)
 218             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 219                                               "left-margin", gindent, "indent", gsubindent, NULL );
 220         gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
 221     }
 222
 223     if (attr.HasTabs())
 224     {
 225         // Set tab stops
 226
 227         // Clear old tabs
 228         GtkTextIter para_start, para_end = *end;
 229         gtk_text_buffer_get_iter_at_line( text_buffer,
 230                                           &para_start,
 231                                           gtk_text_iter_get_line(start) );
 232         gtk_text_iter_forward_line(&para_end);
 233
 234         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", start, end);
 235
 236         const wxArrayInt& tabs = attr.GetTabs();
 237
 238         wxString tagname = _T("WXTABS");
 239         g_snprintf(buf, sizeof(buf), "WXTABS");
 240         for (size_t i = 0; i < tabs.GetCount(); i++)
 241             tagname += wxString::Format(_T(" %d"), tabs[i]);
 242
 243         const wxWX2MBbuf buf = tagname.mb_str(wxConvUTF8);
 244
 245         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 246                                         buf );
 247         if (!tag)
 248         {
 249             // Factor to convert from 1/10th of a mm into pixels
 250             float factor;
 251 #if GTK_CHECK_VERSION(2,2,0)
 252             if (!gtk_check_version(2,2,0))
 253                 factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
 254                           gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
 255             else
 256 #endif
 257                 factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
 258
 259             PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE);
 260             for (size_t i = 0; i < tabs.GetCount(); i++)
 261                 pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor));
 262             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 263                                               "tabs", tabArray, NULL );
 264             pango_tab_array_free(tabArray);
 265         }
 266         gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
 267     }
 268 }
 269
 270 static void wxGtkTextInsert(GtkWidget *text,
 271                             GtkTextBuffer *text_buffer,
 272                             const wxTextAttr& attr,
 273                             const wxCharBuffer& buffer)
 274
 275 {
 276     gint start_offset;
 277     GtkTextIter iter, start;
 278
 279     gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
 280                                      gtk_text_buffer_get_insert (text_buffer) );
 281     start_offset = gtk_text_iter_get_offset (&iter);
 282     gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) );
 283
 284     gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
 285
 286     wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
 287 }
 288
 289 // ----------------------------------------------------------------------------
 290 // "insert_text" for GtkEntry
 291 // ----------------------------------------------------------------------------
 292
 293 extern "C" {
 294 static void
 295 gtk_insert_text_callback(GtkEditable *editable,
 296                          const gchar *new_text,
 297                          gint new_text_length,
 298                          gint *position,
 299                          wxTextCtrl *win)
 300 {
 301     // we should only be called if we have a max len limit at all
 302     GtkEntry *entry = GTK_ENTRY (editable);
 303
 304     wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") );
 305
 306     // check that we don't overflow the max length limit
 307     //
 308     // FIXME: this doesn't work when we paste a string which is going to be
 309     //        truncated
 310     if ( entry->text_length == entry->text_max_length )
 311     {
 312         // we don't need to run the base class version at all
 313         g_signal_stop_emission_by_name (editable, "insert_text");
 314
 315         // remember that the next changed signal is to be ignored to avoid
 316         // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
 317         win->IgnoreNextTextUpdate();
 318
 319         // and generate the correct one ourselves
 320         wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
 321         event.SetEventObject(win);
 322         event.SetString(win->GetValue());
 323         win->GetEventHandler()->ProcessEvent( event );
 324     }
 325 }
 326 }
 327
 328 // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
 329
 330 extern "C" {
 331 static void
 332 au_apply_tag_callback(GtkTextBuffer *buffer,
 333                       GtkTextTag *tag,
 334                       GtkTextIter *start,
 335                       GtkTextIter *end,
 336                       gpointer textctrl)
 337 {
 338     if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
 339         g_signal_stop_emission_by_name (buffer, "apply_tag");
 340 }
 341 }
 342
 343 //-----------------------------------------------------------------------------
 344 //  GtkTextCharPredicates for gtk_text_iter_*_find_char
 345 //-----------------------------------------------------------------------------
 346
 347 extern "C" {
 348 static gboolean
 349 pred_whitespace (gunichar ch, gpointer user_data)
 350 {
 351     return g_unichar_isspace(ch);
 352 }
 353 }
 354
 355 extern "C" {
 356 static gboolean
 357 pred_non_whitespace (gunichar ch, gpointer user_data)
 358 {
 359     return !g_unichar_isspace(ch);
 360 }
 361 }
 362
 363 extern "C" {
 364 static gboolean
 365 pred_nonpunct (gunichar ch, gpointer user_data)
 366 {
 367     return !g_unichar_ispunct(ch);
 368 }
 369 }
 370
 371 extern "C" {
 372 static gboolean
 373 pred_nonpunct_or_slash (gunichar ch, gpointer user_data)
 374 {
 375     return !g_unichar_ispunct(ch) || ch == '/';
 376 }
 377 }
 378
 379 //-----------------------------------------------------------------------------
 380 //  Check for links between s and e and correct tags as necessary
 381 //-----------------------------------------------------------------------------
 382
 383 // This function should be made match better while being efficient at one point.
 384 // Most probably with a row of regular expressions.
 385 extern "C" {
 386 static void
 387 au_check_word( GtkTextIter *s, GtkTextIter *e )
 388 {
 389     static const char *URIPrefixes[] =
 390     {
 391         "http://",
 392         "ftp://",
 393         "www.",
 394         "ftp.",
 395         "mailto://",
 396         "https://",
 397         "file://",
 398         "nntp://",
 399         "news://",
 400         "telnet://",
 401         "mms://",
 402         "gopher://",
 403         "prospero://",
 404         "wais://",
 405     };
 406
 407     GtkTextIter start = *s, end = *e;
 408     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 409
 410     // Get our special link tag
 411     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 412
 413     // Get rid of punctuation from beginning and end.
 414     // Might want to move this to au_check_range if an improved link checking doesn't
 415     // use some intelligent punctuation checking itself (beware of undesired iter modifications).
 416     if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
 417         gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
 418
 419     gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
 420     gtk_text_iter_forward_char(&end);
 421
 422     gchar* text = gtk_text_iter_get_text( &start, &end );
 423     size_t len = strlen(text), prefix_len;
 424     size_t n;
 425
 426     for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
 427     {
 428         prefix_len = strlen(URIPrefixes[n]);
 429         if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
 430             break;
 431     }
 432
 433     if(n < WXSIZEOF(URIPrefixes))
 434     {
 435         gulong signal_id = g_signal_handler_find (buffer,
 436                                                   (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
 437                                                   0, 0, NULL,
 438                                                   (gpointer)au_apply_tag_callback, NULL);
 439
 440         g_signal_handler_block (buffer, signal_id);
 441         gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
 442         g_signal_handler_unblock (buffer, signal_id);
 443     }
 444 }
 445 }
 446
 447 extern "C" {
 448 static void
 449 au_check_range(GtkTextIter *s,
 450                GtkTextIter *range_end)
 451 {
 452     GtkTextIter range_start = *s;
 453     GtkTextIter word_end;
 454     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 455     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 456
 457     gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
 458
 459     if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
 460         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 461
 462     while(!gtk_text_iter_equal(&range_start, range_end))
 463     {
 464         word_end = range_start;
 465         gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
 466
 467         // Now we should have a word delimited by range_start and word_end, correct link tags
 468         au_check_word(&range_start, &word_end);
 469
 470         range_start = word_end;
 471         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 472     }
 473 }
 474 }
 475
 476 //-----------------------------------------------------------------------------
 477 //  "insert-text" for GtkTextBuffer
 478 //-----------------------------------------------------------------------------
 479
 480 extern "C" {
 481 static void
 482 au_insert_text_callback(GtkTextBuffer *buffer,
 483                         GtkTextIter *end,
 484                         gchar *text,
 485                         gint len,
 486                         wxTextCtrl *win)
 487 {
 488     if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 489         return;
 490
 491     GtkTextIter start = *end;
 492     gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
 493
 494     GtkTextIter line_start = start;
 495     GtkTextIter line_end = *end;
 496     GtkTextIter words_start = start;
 497     GtkTextIter words_end = *end;
 498
 499     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
 500     gtk_text_iter_forward_to_line_end(&line_end);
 501     gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
 502     gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
 503
 504     au_check_range(&words_start, &words_end);
 505 }
 506 }
 507
 508 //-----------------------------------------------------------------------------
 509 //  "delete-range" for GtkTextBuffer
 510 //-----------------------------------------------------------------------------
 511
 512 extern "C" {
 513 static void
 514 au_delete_range_callback(GtkTextBuffer *buffer,
 515                          GtkTextIter *start,
 516                          GtkTextIter *end,
 517                          wxTextCtrl *win)
 518 {
 519     if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 520         return;
 521
 522     GtkTextIter line_start = *start, line_end = *end;
 523
 524     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
 525     gtk_text_iter_forward_to_line_end(&line_end);
 526     gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
 527     gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
 528
 529     au_check_range(start, end);
 530 }
 531 }
 532
 533
 534 //-----------------------------------------------------------------------------
 535 //  "changed"
 536 //-----------------------------------------------------------------------------
 537
 538 extern "C" {
 539 static void
 540 gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
 541 {
 542     if ( win->IgnoreTextUpdate() )
 543         return;
 544
 545     if (!win->m_hasVMT) return;
 546
 547     if ( win->MarkDirtyOnChange() )
 548         win->MarkDirty();
 549
 550     win->SendTextUpdatedEvent();
 551 }
 552 }
 553
 554 //-----------------------------------------------------------------------------
 555 //  clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard"
 556 //-----------------------------------------------------------------------------
 557
 558 // common part of the event handlers below
 559 static void
 560 handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win,
 561                                 wxEventType eventType, const gchar * signal_name)
 562 {
 563     wxClipboardTextEvent event( eventType, win->GetId() );
 564     event.SetEventObject( win );
 565     if ( win->GetEventHandler()->ProcessEvent( event ) )
 566     {
 567         // don't let the default processing to take place if we did something
 568         // ourselves in the event handler
 569         g_signal_stop_emission_by_name (widget, signal_name);
 570     }
 571 }
 572
 573 extern "C" {
 574 static void
 575 gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 576 {
 577     handle_text_clipboard_callback(
 578         widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" );
 579 }
 580
 581 static void
 582 gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 583 {
 584     handle_text_clipboard_callback(
 585         widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" );
 586 }
 587
 588 static void
 589 gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 590 {
 591     handle_text_clipboard_callback(
 592         widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" );
 593 }
 594 }
 595
 596 //-----------------------------------------------------------------------------
 597 // "expose_event" from scrolled window and textview
 598 //-----------------------------------------------------------------------------
 599
 600 extern "C" {
 601 static gboolean
 602 gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win )
 603 {
 604     return TRUE;
 605 }
 606 }
 607
 608
 609 //-----------------------------------------------------------------------------
 610 //  wxTextCtrl
 611 //-----------------------------------------------------------------------------
 612
 613 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 614
 615 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 616     EVT_CHAR(wxTextCtrl::OnChar)
 617
 618     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 619     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 620     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 621     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 622     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 623
 624     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 625     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 626     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 627     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 628     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 629
 630     // wxTE_AUTO_URL wxTextUrl support. Currently only creates
 631     // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
 632     EVT_MOTION      (wxTextCtrl::OnUrlMouseEvent)
 633     EVT_LEFT_DOWN   (wxTextCtrl::OnUrlMouseEvent)
 634     EVT_LEFT_UP     (wxTextCtrl::OnUrlMouseEvent)
 635     EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
 636     EVT_RIGHT_DOWN  (wxTextCtrl::OnUrlMouseEvent)
 637     EVT_RIGHT_UP    (wxTextCtrl::OnUrlMouseEvent)
 638     EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
 639 END_EVENT_TABLE()
 640
 641 void wxTextCtrl::Init()
 642 {
 643     m_dontMarkDirty =
 644     m_modified = false;
 645
 646     m_countUpdatesToIgnore = 0;
 647
 648     SetUpdateFont(false);
 649
 650     m_text = NULL;
 651     m_freezeCount = 0;
 652     m_showPositionOnThaw = NULL;
 653     m_gdkHandCursor = NULL;
 654     m_gdkXTermCursor = NULL;
 655 }
 656
 657 wxTextCtrl::~wxTextCtrl()
 658 {
 659     if(m_gdkHandCursor)
 660         gdk_cursor_unref(m_gdkHandCursor);
 661     if(m_gdkXTermCursor)
 662         gdk_cursor_unref(m_gdkXTermCursor);
 663 }
 664
 665 wxTextCtrl::wxTextCtrl( wxWindow *parent,
 666                         wxWindowID id,
 667                         const wxString &value,
 668                         const wxPoint &pos,
 669                         const wxSize &size,
 670                         long style,
 671                         const wxValidator& validator,
 672                         const wxString &name )
 673 {
 674     Init();
 675
 676     Create( parent, id, value, pos, size, style, validator, name );
 677 }
 678
 679 bool wxTextCtrl::Create( wxWindow *parent,
 680                          wxWindowID id,
 681                          const wxString &value,
 682                          const wxPoint &pos,
 683                          const wxSize &size,
 684                          long style,
 685                          const wxValidator& validator,
 686                          const wxString &name )
 687 {
 688     m_needParent = true;
 689
 690     if (!PreCreation( parent, pos, size ) ||
 691         !CreateBase( parent, id, pos, size, style, validator, name ))
 692     {
 693         wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
 694         return false;
 695     }
 696
 697     bool multi_line = (style & wxTE_MULTILINE) != 0;
 698
 699     if (multi_line)
 700     {
 701         // Create view
 702         m_text = gtk_text_view_new();
 703
 704         m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
 705
 706         // create "ShowPosition" marker
 707         GtkTextIter iter;
 708         gtk_text_buffer_get_start_iter(m_buffer, &iter);
 709         gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true);
 710
 711         // create scrolled window
 712         m_widget = gtk_scrolled_window_new( NULL, NULL );
 713         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
 714                                         GTK_POLICY_AUTOMATIC,
 715                                         style & wxTE_NO_VSCROLL
 716                                             ? GTK_POLICY_NEVER
 717                                             : GTK_POLICY_AUTOMATIC );
 718         // for ScrollLines/Pages
 719         m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar;
 720
 721         // Insert view into scrolled window
 722         gtk_container_add( GTK_CONTAINER(m_widget), m_text );
 723
 724         GTKSetWrapMode();
 725
 726         GtkScrolledWindowSetBorder(m_widget, style);
 727
 728         gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
 729
 730         GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 731     }
 732     else
 733     {
 734         // a single-line text control: no need for scrollbars
 735         m_widget =
 736         m_text = gtk_entry_new();
 737
 738         if (style & wxNO_BORDER)
 739             g_object_set (m_text, "has-frame", FALSE, NULL);
 740     }
 741
 742     m_parent->DoAddChild( this );
 743
 744     m_focusWidget = m_text;
 745
 746     PostCreation(size);
 747
 748     if (multi_line)
 749     {
 750         gtk_widget_show(m_text);
 751     }
 752
 753     if (!value.empty())
 754     {
 755         SetValue( value );
 756     }
 757
 758     if (style & wxTE_PASSWORD)
 759         GTKSetVisibility();
 760
 761     if (style & wxTE_READONLY)
 762         GTKSetEditable();
 763
 764     // left justification (alignment) is the default anyhow
 765     if ( style & (wxTE_RIGHT | wxTE_CENTRE) )
 766         GTKSetJustification();
 767
 768     // We want to be notified about text changes.
 769     if (multi_line)
 770     {
 771         g_signal_connect (m_buffer, "changed",
 772                           G_CALLBACK (gtk_text_changed_callback), this);
 773
 774         // .. and handle URLs on multi-line controls with wxTE_AUTO_URL style
 775         if (style & wxTE_AUTO_URL)
 776         {
 777             GtkTextIter start, end;
 778             m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
 779             m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
 780
 781             // We create our wxUrl tag here for slight efficiency gain - we
 782             // don't have to check for the tag existance in callbacks,
 783             // hereby it's guaranteed to exist.
 784             gtk_text_buffer_create_tag(m_buffer, "wxUrl",
 785                                        "foreground", "blue",
 786                                        "underline", PANGO_UNDERLINE_SINGLE,
 787                                        NULL);
 788
 789             // Check for URLs after each text change
 790             g_signal_connect_after (m_buffer, "insert_text",
 791                                     G_CALLBACK (au_insert_text_callback), this);
 792             g_signal_connect_after (m_buffer, "delete_range",
 793                                     G_CALLBACK (au_delete_range_callback), this);
 794
 795             // Block all wxUrl tag applying unless we do it ourselves, in which case we
 796             // block this callback temporarily. This takes care of gtk+ internal
 797             // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
 798             // which is undesired because only a part of the URL might be copied.
 799             // The insert-text signal emitted inside it will take care of newly formed
 800             // or wholly copied URLs.
 801             g_signal_connect (m_buffer, "apply_tag",
 802                               G_CALLBACK (au_apply_tag_callback), NULL);
 803
 804             // Check for URLs in the initial string passed to Create
 805             gtk_text_buffer_get_start_iter(m_buffer, &start);
 806             gtk_text_buffer_get_end_iter(m_buffer, &end);
 807             au_check_range(&start, &end);
 808         }
 809     }
 810     else
 811     {
 812         g_signal_connect (m_text, "changed",
 813                           G_CALLBACK (gtk_text_changed_callback), this);
 814     }
 815
 816     g_signal_connect (m_text, "copy-clipboard",
 817                       G_CALLBACK (gtk_copy_clipboard_callback), this);
 818     g_signal_connect (m_text, "cut-clipboard",
 819                       G_CALLBACK (gtk_cut_clipboard_callback), this);
 820     g_signal_connect (m_text, "paste-clipboard",
 821                       G_CALLBACK (gtk_paste_clipboard_callback), this);
 822
 823     m_cursor = wxCursor( wxCURSOR_IBEAM );
 824
 825     return true;
 826 }
 827
 828 // ----------------------------------------------------------------------------
 829 // flags handling
 830 // ----------------------------------------------------------------------------
 831
 832 void wxTextCtrl::GTKSetEditable()
 833 {
 834     gboolean editable = !HasFlag(wxTE_READONLY);
 835     if ( IsSingleLine() )
 836         gtk_editable_set_editable(GTK_EDITABLE(m_text), editable);
 837     else
 838         gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable);
 839 }
 840
 841 void wxTextCtrl::GTKSetVisibility()
 842 {
 843     // VZ: shouldn't we assert if wxTE_PASSWORD is set for multiline control?
 844     if ( IsSingleLine() )
 845         gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD));
 846 }
 847
 848 void wxTextCtrl::GTKSetWrapMode()
 849 {
 850     // no wrapping in single line controls
 851     if ( !IsMultiLine() )
 852         return;
 853
 854     // translate wx wrapping style to GTK+
 855     GtkWrapMode wrap;
 856     if ( HasFlag( wxTE_DONTWRAP ) )
 857         wrap = GTK_WRAP_NONE;
 858     else if ( HasFlag( wxTE_CHARWRAP ) )
 859         wrap = GTK_WRAP_CHAR;
 860     else if ( HasFlag( wxTE_WORDWRAP ) )
 861         wrap = GTK_WRAP_WORD;
 862     else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
 863     {
 864         // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4
 865 #ifdef __WXGTK24__
 866         if ( !gtk_check_version(2,4,0) )
 867         {
 868             wrap = GTK_WRAP_WORD_CHAR;
 869         }
 870         else
 871 #endif // __WXGTK24__
 872         wrap = GTK_WRAP_WORD;
 873     }
 874
 875     gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
 876 }
 877
 878 void wxTextCtrl::GTKSetJustification()
 879 {
 880     if ( IsMultiLine() )
 881     {
 882         GtkJustification just;
 883         if ( HasFlag(wxTE_RIGHT) )
 884             just = GTK_JUSTIFY_RIGHT;
 885         else if ( HasFlag(wxTE_CENTRE) )
 886             just = GTK_JUSTIFY_CENTER;
 887         else // wxTE_LEFT == 0
 888             just = GTK_JUSTIFY_LEFT;
 889
 890         gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just);
 891     }
 892     else // single line
 893     {
 894 #ifdef __WXGTK24__
 895         // gtk_entry_set_alignment was introduced in gtk+-2.3.5
 896         if (!gtk_check_version(2,4,0))
 897         {
 898             gfloat align;
 899             if ( HasFlag(wxTE_RIGHT) )
 900                 align = 1.0;
 901             else if ( HasFlag(wxTE_CENTRE) )
 902                 align = 0.5;
 903             else // single line
 904                 align = 0.0;
 905
 906             gtk_entry_set_alignment(GTK_ENTRY(m_text), align);
 907         }
 908 #endif // __WXGTK24__
 909     }
 910
 911 }
 912
 913 void wxTextCtrl::SetWindowStyleFlag(long style)
 914 {
 915     long styleOld = GetWindowStyleFlag();
 916
 917     wxTextCtrlBase::SetWindowStyleFlag(style);
 918
 919     if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) )
 920         GTKSetEditable();
 921
 922     if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) )
 923         GTKSetVisibility();
 924
 925     static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP;
 926     if ( (style & flagsWrap) != (styleOld & flagsWrap) )
 927         GTKSetWrapMode();
 928
 929     static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
 930     if ( (style & flagsAlign) != (styleOld & flagsAlign) )
 931         GTKSetJustification();
 932 }
 933
 934 // ----------------------------------------------------------------------------
 935 // control value
 936 // ----------------------------------------------------------------------------
 937
 938 wxString wxTextCtrl::GetValue() const
 939 {
 940     wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
 941
 942     wxString tmp;
 943     if ( IsMultiLine() )
 944     {
 945         GtkTextIter start;
 946         gtk_text_buffer_get_start_iter( m_buffer, &start );
 947         GtkTextIter end;
 948         gtk_text_buffer_get_end_iter( m_buffer, &end );
 949         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
 950
 951         const wxWxCharBuffer buf = wxGTK_CONV_BACK(text);
 952         if ( buf )
 953             tmp = buf;
 954     }
 955     else
 956     {
 957         const gchar *text = gtk_entry_get_text( GTK_ENTRY(m_text) );
 958         const wxWxCharBuffer buf = wxGTK_CONV_BACK( text );
 959         if ( buf )
 960             tmp = buf;
 961     }
 962
 963     return tmp;
 964 }
 965
 966 wxFontEncoding wxTextCtrl::GetTextEncoding() const
 967 {
 968     // GTK+ uses UTF-8 internally, we need to convert to it but from which
 969     // encoding?
 970
 971     // first check the default text style (we intentionally don't check the
 972     // style for the current position as it doesn't make sense for SetValue())
 973     const wxTextAttr& style = GetDefaultStyle();
 974     wxFontEncoding enc = style.HasFont() ? style.GetFont().GetEncoding()
 975                                          : wxFONTENCODING_SYSTEM;
 976
 977     // fall back to the controls font if no style
 978     if ( enc == wxFONTENCODING_SYSTEM && m_hasFont )
 979         enc = GetFont().GetEncoding();
 980
 981     return enc;
 982 }
 983
 984 bool wxTextCtrl::IsEmpty() const
 985 {
 986     if ( IsMultiLine() )
 987         return gtk_text_buffer_get_char_count(m_buffer) == 0;
 988
 989     return wxTextCtrlBase::IsEmpty();
 990 }
 991
 992 void wxTextCtrl::DoSetValue( const wxString &value, int flags )
 993 {
 994     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 995
 996     // the control won't be modified any more as we programmatically replace
 997     // all the existing text, so reset the flag and don't set it again (and do
 998     // it now, before the text event handler is ran so that IsModified() called
 999     // from there returns the expected value)
1000     m_modified = false;
1001     DontMarkDirtyOnNextChange();
1002
1003     wxFontEncoding enc = m_defaultStyle.HasFont()
1004                             ? m_defaultStyle.GetFont().GetEncoding()
1005                             : wxFONTENCODING_SYSTEM;
1006     if ( enc == wxFONTENCODING_SYSTEM )
1007         enc = GetTextEncoding();
1008
1009     const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc));
1010     if ( !buffer )
1011     {
1012         // see comment in WriteText() as to why we must warn the user about
1013         // this
1014         wxLogWarning(_("Failed to set text in the text control."));
1015         return;
1016     }
1017
1018     // if the control is not empty, two "changed" signals are emitted,
1019     // otherwise only one and we need to ignore either both or one of them
1020     int ignore = flags & SetValue_SendEvent ? 0 : 1;
1021     if ( !IsEmpty() )
1022         ignore++;
1023
1024     if ( ignore )
1025         IgnoreNextTextUpdate(ignore);
1026
1027     if ( IsMultiLine() )
1028     {
1029         gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
1030
1031         if ( !m_defaultStyle.IsDefault() )
1032         {
1033             GtkTextIter start, end;
1034             gtk_text_buffer_get_bounds( m_buffer, &start, &end );
1035             wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle,
1036                                        &start, &end);
1037         }
1038     }
1039     else // single line
1040     {
1041         gtk_entry_set_text( GTK_ENTRY(m_text), buffer );
1042     }
1043
1044     // if, for whatever reason, the callback wasn't called the expected number
1045     // of times, still reset the flags to the default values
1046     m_dontMarkDirty = false;
1047     m_countUpdatesToIgnore = 0;
1048
1049
1050     // GRG, Jun/2000: Changed this after a lot of discussion in
1051     //   the lists. wxWidgets 2.2 will have a set of flags to
1052     //   customize this behaviour.
1053     SetInsertionPoint(0);
1054 }
1055
1056 void wxTextCtrl::WriteText( const wxString &text )
1057 {
1058     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1059
1060     if ( text.empty() )
1061         return;
1062
1063     // check if we have a specific style for the current position
1064     wxFontEncoding enc = wxFONTENCODING_SYSTEM;
1065     wxTextAttr style;
1066     if ( GetStyle(GetInsertionPoint(), style) && style.HasFont() )
1067     {
1068         enc = style.GetFont().GetEncoding();
1069     }
1070
1071     if ( enc == wxFONTENCODING_SYSTEM )
1072         enc = GetTextEncoding();
1073
1074     const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc));
1075     if ( !buffer )
1076     {
1077         // we must log an error here as losing the text like this can be a
1078         // serious problem (e.g. imagine the document edited by user being
1079         // empty instead of containing the correct text)
1080         wxLogWarning(_("Failed to insert text in the control."));
1081         return;
1082     }
1083
1084     // we're changing the text programmatically
1085     DontMarkDirtyOnNextChange();
1086
1087     if ( IsMultiLine() )
1088     {
1089         // First remove the selection if there is one
1090         // TODO:  Is there an easier GTK specific way to do this?
1091         long from, to;
1092         GetSelection(&from, &to);
1093         if (from != to)
1094             Remove(from, to);
1095
1096         // Insert the text
1097         wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
1098
1099         GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
1100         // Scroll to cursor, but only if scrollbar thumb is at the very bottom
1101         // won't work when frozen, text view is not using m_buffer then
1102         if (!IsFrozen() && wxIsSameDouble(adj->value, adj->upper - adj->page_size))
1103         {
1104             gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
1105                     gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
1106         }
1107     }
1108     else // single line
1109     {
1110         // First remove the selection if there is one
1111         gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
1112
1113         // This moves the cursor pos to behind the inserted text.
1114         gint len = gtk_editable_get_position(GTK_EDITABLE(m_text));
1115
1116         gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
1117
1118         // Bring entry's cursor uptodate.
1119         gtk_editable_set_position( GTK_EDITABLE(m_text), len );
1120     }
1121 }
1122
1123 void wxTextCtrl::AppendText( const wxString &text )
1124 {
1125     SetInsertionPointEnd();
1126     WriteText( text );
1127 }
1128
1129 wxString wxTextCtrl::GetLineText( long lineNo ) const
1130 {
1131     wxString result;
1132     if ( IsMultiLine() )
1133     {
1134         GtkTextIter line;
1135         gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1136
1137         GtkTextIter end = line;
1138         // avoid skipping to the next line end if this one is empty
1139         if ( !gtk_text_iter_ends_line(&line) )
1140             gtk_text_iter_forward_to_line_end(&end);
1141
1142         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
1143         result = wxGTK_CONV_BACK(text);
1144     }
1145     else
1146     {
1147         if (lineNo == 0)
1148             result = GetValue();
1149     }
1150     return result;
1151 }
1152
1153 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1154 {
1155   /* If you implement this, don't forget to update the documentation!
1156    * (file docs/latex/wx/text.tex) */
1157     wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1158 }
1159
1160 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1161 {
1162     if ( IsMultiLine() )
1163     {
1164         GtkTextIter iter;
1165
1166         if (pos > GetLastPosition())
1167             return false;
1168
1169         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1170
1171         if ( y )
1172             *y = gtk_text_iter_get_line(&iter);
1173         if ( x )
1174             *x = gtk_text_iter_get_line_offset(&iter);
1175     }
1176     else // single line control
1177     {
1178         if ( pos <= GTK_ENTRY(m_text)->text_length )
1179         {
1180             if ( y )
1181                 *y = 0;
1182             if ( x )
1183                 *x = pos;
1184         }
1185         else
1186         {
1187             // index out of bounds
1188             return false;
1189         }
1190     }
1191
1192     return true;
1193 }
1194
1195 long wxTextCtrl::XYToPosition(long x, long y ) const
1196 {
1197     if ( IsSingleLine() )
1198         return 0;
1199
1200     GtkTextIter iter;
1201     if (y >= gtk_text_buffer_get_line_count (m_buffer))
1202         return -1;
1203
1204     gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y);
1205     if (x >= gtk_text_iter_get_chars_in_line (&iter))
1206         return -1;
1207
1208     return gtk_text_iter_get_offset(&iter) + x;
1209 }
1210
1211 int wxTextCtrl::GetLineLength(long lineNo) const
1212 {
1213     if ( IsMultiLine() )
1214     {
1215         int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1216         if (lineNo > last_line)
1217             return -1;
1218
1219         GtkTextIter iter;
1220         gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1221         // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1222         return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1223     }
1224     else
1225     {
1226         wxString str = GetLineText (lineNo);
1227         return (int) str.length();
1228     }
1229 }
1230
1231 int wxTextCtrl::GetNumberOfLines() const
1232 {
1233     if ( IsMultiLine() )
1234     {
1235         return gtk_text_buffer_get_line_count( m_buffer );
1236     }
1237     else // single line
1238     {
1239         return 1;
1240     }
1241 }
1242
1243 void wxTextCtrl::SetInsertionPoint( long pos )
1244 {
1245     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1246
1247     if ( IsMultiLine() )
1248     {
1249         GtkTextIter iter;
1250         gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1251         gtk_text_buffer_place_cursor( m_buffer, &iter );
1252         GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
1253         if (IsFrozen())
1254             // defer until Thaw, text view is not using m_buffer now
1255             m_showPositionOnThaw = mark;
1256         else
1257             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1258     }
1259     else
1260     {
1261         // FIXME: Is the editable's cursor really uptodate without double set_position in GTK2?
1262         gtk_editable_set_position(GTK_EDITABLE(m_text), int(pos));
1263     }
1264 }
1265
1266 void wxTextCtrl::SetInsertionPointEnd()
1267 {
1268     SetInsertionPoint(-1);
1269 }
1270
1271 void wxTextCtrl::SetEditable( bool editable )
1272 {
1273     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1274
1275     if ( IsMultiLine() )
1276     {
1277         gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1278     }
1279     else
1280     {
1281         gtk_editable_set_editable( GTK_EDITABLE(m_text), editable );
1282     }
1283 }
1284
1285 bool wxTextCtrl::Enable( bool enable )
1286 {
1287     if (!wxWindowBase::Enable(enable))
1288     {
1289         // nothing to do
1290         return false;
1291     }
1292
1293     if ( IsMultiLine() )
1294     {
1295         SetEditable( enable );
1296     }
1297     else
1298     {
1299         gtk_widget_set_sensitive( m_text, enable );
1300     }
1301
1302     return true;
1303 }
1304
1305 // wxGTK-specific: called recursively by Enable,
1306 // to give widgets an opportunity to correct their colours after they
1307 // have been changed by Enable
1308 void wxTextCtrl::OnEnabled( bool enable )
1309 {
1310     // If we have a custom background colour, we use this colour in both
1311     // disabled and enabled mode, or we end up with a different colour under the
1312     // text.
1313     wxColour oldColour = GetBackgroundColour();
1314     if (oldColour.Ok())
1315     {
1316         // Need to set twice or it'll optimize the useful stuff out
1317         if (oldColour == * wxWHITE)
1318             SetBackgroundColour(*wxBLACK);
1319         else
1320             SetBackgroundColour(*wxWHITE);
1321         SetBackgroundColour(oldColour);
1322     }
1323 }
1324
1325 void wxTextCtrl::MarkDirty()
1326 {
1327     m_modified = true;
1328 }
1329
1330 void wxTextCtrl::DiscardEdits()
1331 {
1332     m_modified = false;
1333 }
1334
1335 // ----------------------------------------------------------------------------
1336 // max text length support
1337 // ----------------------------------------------------------------------------
1338
1339 bool wxTextCtrl::IgnoreTextUpdate()
1340 {
1341     if ( m_countUpdatesToIgnore > 0 )
1342     {
1343         m_countUpdatesToIgnore--;
1344
1345         return true;
1346     }
1347
1348     return false;
1349 }
1350
1351 bool wxTextCtrl::MarkDirtyOnChange()
1352 {
1353     if ( m_dontMarkDirty )
1354     {
1355         m_dontMarkDirty = false;
1356
1357         return false;
1358     }
1359
1360     return true;
1361 }
1362
1363 void wxTextCtrl::SetMaxLength(unsigned long len)
1364 {
1365     if ( !HasFlag(wxTE_MULTILINE) )
1366     {
1367         gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
1368
1369         // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
1370         // we had tried to enter more text than allowed by max text length and
1371         // the text wasn't really changed
1372         //
1373         // to detect this and generate TEXT_MAXLEN event instead of
1374         // TEXT_CHANGED one in this case we also catch "insert_text" signal
1375         //
1376         // when max len is set to 0 we disconnect our handler as it means that
1377         // we shouldn't check anything any more
1378         if ( len )
1379         {
1380             g_signal_connect (m_text, "insert_text",
1381                               G_CALLBACK (gtk_insert_text_callback), this);
1382         }
1383         else // no checking
1384         {
1385             g_signal_handlers_disconnect_by_func (m_text,
1386                     (gpointer) gtk_insert_text_callback, this);
1387         }
1388     }
1389 }
1390
1391 void wxTextCtrl::SetSelection( long from, long to )
1392 {
1393     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1394
1395     if (from == -1 && to == -1)
1396     {
1397         from = 0;
1398         to = GetValue().length();
1399     }
1400
1401     if ( IsMultiLine() )
1402     {
1403         GtkTextIter fromi, toi;
1404         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1405         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1406
1407         gtk_text_buffer_place_cursor( m_buffer, &toi );
1408         gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1409     }
1410     else
1411     {
1412         gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1413     }
1414 }
1415
1416 void wxTextCtrl::ShowPosition( long pos )
1417 {
1418     if (IsMultiLine())
1419     {
1420         GtkTextIter iter;
1421         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
1422         GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
1423         gtk_text_buffer_move_mark(m_buffer, mark, &iter);
1424         if (IsFrozen())
1425             // defer until Thaw, text view is not using m_buffer now
1426             m_showPositionOnThaw = mark;
1427         else
1428             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1429     }
1430 }
1431
1432 wxTextCtrlHitTestResult
1433 wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1434 {
1435     if ( !IsMultiLine() )
1436     {
1437         // not supported
1438         return wxTE_HT_UNKNOWN;
1439     }
1440
1441     int x, y;
1442     gtk_text_view_window_to_buffer_coords
1443     (
1444         GTK_TEXT_VIEW(m_text),
1445         GTK_TEXT_WINDOW_TEXT,
1446         pt.x, pt.y,
1447         &x, &y
1448     );
1449
1450     GtkTextIter iter;
1451     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1452     if ( pos )
1453         *pos = gtk_text_iter_get_offset(&iter);
1454
1455     return wxTE_HT_ON_TEXT;
1456 }
1457
1458 long wxTextCtrl::GetInsertionPoint() const
1459 {
1460     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1461
1462     if ( IsMultiLine() )
1463     {
1464         // There is no direct accessor for the cursor, but
1465         // internally, the cursor is the "mark" called
1466         // "insert" in the text view's btree structure.
1467
1468         GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1469         GtkTextIter cursor;
1470         gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1471
1472         return gtk_text_iter_get_offset( &cursor );
1473     }
1474     else
1475     {
1476         return (long) gtk_editable_get_position(GTK_EDITABLE(m_text));
1477     }
1478 }
1479
1480 wxTextPos wxTextCtrl::GetLastPosition() const
1481 {
1482     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1483
1484     int pos = 0;
1485
1486     if ( IsMultiLine() )
1487     {
1488         GtkTextIter end;
1489         gtk_text_buffer_get_end_iter( m_buffer, &end );
1490
1491         pos = gtk_text_iter_get_offset( &end );
1492     }
1493     else
1494     {
1495         pos = GTK_ENTRY(m_text)->text_length;
1496     }
1497
1498     return (long)pos;
1499 }
1500
1501 void wxTextCtrl::Remove( long from, long to )
1502 {
1503     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1504
1505     if ( IsMultiLine() )
1506     {
1507         GtkTextIter fromi, toi;
1508         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1509         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1510
1511         gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1512     }
1513     else // single line
1514         gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1515 }
1516
1517 void wxTextCtrl::Replace( long from, long to, const wxString &value )
1518 {
1519     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1520
1521     Remove( from, to );
1522
1523     if (!value.empty())
1524     {
1525         SetInsertionPoint( from );
1526         WriteText( value );
1527     }
1528 }
1529
1530 void wxTextCtrl::Cut()
1531 {
1532     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1533
1534     if ( IsMultiLine() )
1535         g_signal_emit_by_name (m_text, "cut-clipboard");
1536     else
1537         gtk_editable_cut_clipboard(GTK_EDITABLE(m_text));
1538 }
1539
1540 void wxTextCtrl::Copy()
1541 {
1542     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1543
1544     if ( IsMultiLine() )
1545         g_signal_emit_by_name (m_text, "copy-clipboard");
1546     else
1547         gtk_editable_copy_clipboard(GTK_EDITABLE(m_text));
1548 }
1549
1550 void wxTextCtrl::Paste()
1551 {
1552     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1553
1554     if ( IsMultiLine() )
1555         g_signal_emit_by_name (m_text, "paste-clipboard");
1556     else
1557         gtk_editable_paste_clipboard(GTK_EDITABLE(m_text));
1558 }
1559
1560 // Undo/redo
1561 void wxTextCtrl::Undo()
1562 {
1563     // TODO
1564     wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1565 }
1566
1567 void wxTextCtrl::Redo()
1568 {
1569     // TODO
1570     wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1571 }
1572
1573 bool wxTextCtrl::CanUndo() const
1574 {
1575     // TODO
1576     //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1577     return false;
1578 }
1579
1580 bool wxTextCtrl::CanRedo() const
1581 {
1582     // TODO
1583     //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1584     return false;
1585 }
1586
1587 // If the return values from and to are the same, there is no
1588 // selection.
1589 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1590 {
1591     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1592
1593     gint from = -1;
1594     gint to = -1;
1595     bool haveSelection = false;
1596
1597      if ( IsMultiLine() )
1598      {
1599          GtkTextIter ifrom, ito;
1600          if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1601          {
1602              haveSelection = true;
1603              from = gtk_text_iter_get_offset(&ifrom);
1604              to = gtk_text_iter_get_offset(&ito);
1605          }
1606      }
1607      else  // not multi-line
1608      {
1609          if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1610                                                  &from, &to) )
1611          {
1612              haveSelection = true;
1613          }
1614      }
1615
1616      if (! haveSelection )
1617           from = to = GetInsertionPoint();
1618
1619      if ( from > to )
1620      {
1621          // exchange them to be compatible with wxMSW
1622          gint tmp = from;
1623          from = to;
1624          to = tmp;
1625      }
1626
1627     if ( fromOut )
1628         *fromOut = from;
1629     if ( toOut )
1630         *toOut = to;
1631 }
1632
1633
1634 bool wxTextCtrl::IsEditable() const
1635 {
1636     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1637
1638     if ( IsMultiLine() )
1639     {
1640         return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1641     }
1642     else
1643     {
1644         return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1645     }
1646 }
1647
1648 bool wxTextCtrl::IsModified() const
1649 {
1650     return m_modified;
1651 }
1652
1653 void wxTextCtrl::Clear()
1654 {
1655     SetValue( wxEmptyString );
1656 }
1657
1658 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1659 {
1660     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1661
1662     if ( key_event.GetKeyCode() == WXK_RETURN )
1663     {
1664         if ( HasFlag(wxTE_PROCESS_ENTER) )
1665         {
1666             wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1667             event.SetEventObject(this);
1668             event.SetString(GetValue());
1669             if ( GetEventHandler()->ProcessEvent(event) )
1670                 return;
1671         }
1672
1673         // FIXME: this is not the right place to do it, wxDialog::OnCharHook()
1674         //        probably is
1675         if ( IsSingleLine() )
1676         {
1677             // This will invoke the dialog default action, such
1678             // as the clicking the default button.
1679
1680             wxWindow *top_frame = m_parent;
1681             while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1682                 top_frame = top_frame->GetParent();
1683
1684             if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1685             {
1686                 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1687
1688                 if (window->default_widget)
1689                 {
1690                     gtk_widget_activate (window->default_widget);
1691                     return;
1692                 }
1693             }
1694         }
1695     }
1696
1697     key_event.Skip();
1698 }
1699
1700 GtkWidget* wxTextCtrl::GetConnectWidget()
1701 {
1702     return GTK_WIDGET(m_text);
1703 }
1704
1705 GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
1706 {
1707     if ( IsMultiLine() )
1708     {
1709         return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1710                                         GTK_TEXT_WINDOW_TEXT );
1711     }
1712     else
1713     {
1714         return GTK_ENTRY(m_text)->text_area;
1715     }
1716 }
1717
1718 // the font will change for subsequent text insertiongs
1719 bool wxTextCtrl::SetFont( const wxFont &font )
1720 {
1721     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1722
1723     if ( !wxTextCtrlBase::SetFont(font) )
1724     {
1725         // font didn't change, nothing to do
1726         return false;
1727     }
1728
1729     if ( IsMultiLine() )
1730     {
1731         SetUpdateFont(true);
1732
1733         m_defaultStyle.SetFont(font);
1734
1735         ChangeFontGlobally();
1736     }
1737
1738     return true;
1739 }
1740
1741 void wxTextCtrl::ChangeFontGlobally()
1742 {
1743     // this method is very inefficient and hence should be called as rarely as
1744     // possible!
1745     //
1746     // TODO: it can be implemented much more efficiently for GTK2
1747     wxASSERT_MSG( IsMultiLine(),
1748                   _T("shouldn't be called for single line controls") );
1749
1750     wxString value = GetValue();
1751     if ( !value.empty() )
1752     {
1753         SetUpdateFont(false);
1754
1755         Clear();
1756         AppendText(value);
1757     }
1758 }
1759
1760 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1761 {
1762     if ( !wxControl::SetForegroundColour(colour) )
1763         return false;
1764
1765     // update default fg colour too
1766     m_defaultStyle.SetTextColour(colour);
1767
1768     return true;
1769 }
1770
1771 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1772 {
1773     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1774
1775     if ( !wxControl::SetBackgroundColour( colour ) )
1776         return false;
1777
1778     if (!m_backgroundColour.Ok())
1779         return false;
1780
1781     // change active background color too
1782     m_defaultStyle.SetBackgroundColour( colour );
1783
1784     return true;
1785 }
1786
1787 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1788 {
1789     if ( IsMultiLine() )
1790     {
1791         if ( style.IsDefault() )
1792         {
1793             // nothing to do
1794             return true;
1795         }
1796
1797         gint l = gtk_text_buffer_get_char_count( m_buffer );
1798
1799         wxCHECK_MSG( start >= 0 && end <= l, false,
1800                      _T("invalid range in wxTextCtrl::SetStyle") );
1801
1802         GtkTextIter starti, endi;
1803         gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1804         gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1805
1806         wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );
1807
1808         return true;
1809     }
1810     //else: single line text controls don't support styles
1811
1812     return false;
1813 }
1814
1815 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1816 {
1817     gtk_widget_modify_style(m_text, style);
1818 }
1819
1820 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1821 {
1822     Cut();
1823 }
1824
1825 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1826 {
1827     Copy();
1828 }
1829
1830 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1831 {
1832     Paste();
1833 }
1834
1835 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1836 {
1837     Undo();
1838 }
1839
1840 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1841 {
1842     Redo();
1843 }
1844
1845 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1846 {
1847     event.Enable( CanCut() );
1848 }
1849
1850 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1851 {
1852     event.Enable( CanCopy() );
1853 }
1854
1855 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1856 {
1857     event.Enable( CanPaste() );
1858 }
1859
1860 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1861 {
1862     event.Enable( CanUndo() );
1863 }
1864
1865 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1866 {
1867     event.Enable( CanRedo() );
1868 }
1869
1870 wxSize wxTextCtrl::DoGetBestSize() const
1871 {
1872     // FIXME should be different for multi-line controls...
1873     wxSize ret( wxControl::DoGetBestSize() );
1874     wxSize best(80, ret.y);
1875     CacheBestSize(best);
1876     return best;
1877 }
1878
1879 // ----------------------------------------------------------------------------
1880 // freeze/thaw
1881 // ----------------------------------------------------------------------------
1882
1883 void wxTextCtrl::Freeze()
1884 {
1885     wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
1886
1887     if ( HasFlag(wxTE_MULTILINE) )
1888     {
1889         if (m_freezeCount++ == 0)
1890         {
1891             // freeze textview updates and remove buffer
1892             g_signal_connect (m_text, "expose_event",
1893                               G_CALLBACK (gtk_text_exposed_callback), this);
1894             g_signal_connect (m_widget, "expose_event",
1895                               G_CALLBACK (gtk_text_exposed_callback), this);
1896             gtk_widget_set_sensitive(m_widget, false);
1897             g_object_ref(m_buffer);
1898             GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
1899             GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;
1900             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
1901             // gtk_text_view_set_buffer adds its own reference
1902             g_object_unref(buf_new);
1903             // This mark should be deleted when the buffer is changed,
1904             // but it's not (in GTK+ up to at least 2.10.6).
1905             // Otherwise these anonymous marks start to build up in the buffer,
1906             // and Freeze takes longer and longer each time it is called.
1907             if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
1908                 gtk_text_buffer_delete_mark(m_buffer, mark);
1909         }
1910     }
1911 }
1912
1913 void wxTextCtrl::Thaw()
1914 {
1915     if ( HasFlag(wxTE_MULTILINE) )
1916     {
1917         wxCHECK_RET(m_freezeCount != 0, _T("Thaw() without matching Freeze()"));
1918
1919         if (--m_freezeCount == 0)
1920         {
1921             // Reattach buffer and thaw textview updates
1922             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1923             g_object_unref(m_buffer);
1924             gtk_widget_set_sensitive(m_widget, true);
1925             g_signal_handlers_disconnect_by_func (m_widget,
1926                     (gpointer) gtk_text_exposed_callback, this);
1927             g_signal_handlers_disconnect_by_func (m_text,
1928                     (gpointer) gtk_text_exposed_callback, this);
1929             if (m_showPositionOnThaw != NULL)
1930             {
1931                 gtk_text_view_scroll_mark_onscreen(
1932                     GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
1933                 m_showPositionOnThaw = NULL;
1934             }
1935         }
1936     }
1937 }
1938
1939 // ----------------------------------------------------------------------------
1940 // wxTextUrlEvent passing if style & wxTE_AUTO_URL
1941 // ----------------------------------------------------------------------------
1942
1943 // FIXME: when dragging on a link the sample gets an "Unknown event".
1944 // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
1945 // a buggy sample, or something else
1946 void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
1947 {
1948     event.Skip();
1949     if( !HasFlag(wxTE_AUTO_URL) )
1950         return;
1951
1952     gint x, y;
1953     GtkTextIter start, end;
1954     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
1955                                                 "wxUrl");
1956
1957     gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
1958                                           event.GetX(), event.GetY(), &x, &y);
1959
1960     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
1961     if (!gtk_text_iter_has_tag(&end, tag))
1962     {
1963         gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1964                               GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
1965         return;
1966     }
1967
1968     gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1969                           GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
1970
1971     start = end;
1972     if(!gtk_text_iter_begins_tag(&start, tag))
1973         gtk_text_iter_backward_to_tag_toggle(&start, tag);
1974     if(!gtk_text_iter_ends_tag(&end, tag))
1975         gtk_text_iter_forward_to_tag_toggle(&end, tag);
1976
1977     // Native context menu is probably not desired on an URL.
1978     // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
1979     if(event.GetEventType() == wxEVT_RIGHT_DOWN)
1980         event.Skip(false);
1981
1982     wxTextUrlEvent url_event(m_windowId, event,
1983                              gtk_text_iter_get_offset(&start),
1984                              gtk_text_iter_get_offset(&end));
1985
1986     InitCommandEvent(url_event);
1987     // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
1988     //event.Skip(!GetEventHandler()->ProcessEvent(url_event));
1989     GetEventHandler()->ProcessEvent(url_event);
1990 }
1991
1992 bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
1993 {
1994     bool rc = wxTextCtrlBase::GTKProcessEvent(event);
1995
1996     // GtkTextView starts a drag operation when left mouse button is pressed
1997     // and ends it when it is released and if it doesn't get the release event
1998     // the next click on a control results in an assertion failure inside
1999     // gtk_text_view_start_selection_drag() which simply *kills* the program
2000     // without anything we can do about it, so always let GTK+ have this event
2001     return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
2002 }
2003
2004 // static
2005 wxVisualAttributes
2006 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
2007 {
2008     return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
2009 }