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     if (g_isIdle)
 302         wxapp_install_idle_handler();
 303
 304     // we should only be called if we have a max len limit at all
 305     GtkEntry *entry = GTK_ENTRY (editable);
 306
 307     wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") );
 308
 309     // check that we don't overflow the max length limit
 310     //
 311     // FIXME: this doesn't work when we paste a string which is going to be
 312     //        truncated
 313     if ( entry->text_length == entry->text_max_length )
 314     {
 315         // we don't need to run the base class version at all
 316         g_signal_stop_emission_by_name (editable, "insert_text");
 317
 318         // remember that the next changed signal is to be ignored to avoid
 319         // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
 320         win->IgnoreNextTextUpdate();
 321
 322         // and generate the correct one ourselves
 323         wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
 324         event.SetEventObject(win);
 325         event.SetString(win->GetValue());
 326         win->GetEventHandler()->ProcessEvent( event );
 327     }
 328 }
 329 }
 330
 331 // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
 332
 333 extern "C" {
 334 static void
 335 au_apply_tag_callback(GtkTextBuffer *buffer,
 336                       GtkTextTag *tag,
 337                       GtkTextIter *start,
 338                       GtkTextIter *end,
 339                       gpointer textctrl)
 340 {
 341     if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
 342         g_signal_stop_emission_by_name (buffer, "apply_tag");
 343 }
 344 }
 345
 346 //-----------------------------------------------------------------------------
 347 //  GtkTextCharPredicates for gtk_text_iter_*_find_char
 348 //-----------------------------------------------------------------------------
 349
 350 extern "C" {
 351 static gboolean
 352 pred_whitespace (gunichar ch, gpointer user_data)
 353 {
 354     return g_unichar_isspace(ch);
 355 }
 356 }
 357
 358 extern "C" {
 359 static gboolean
 360 pred_non_whitespace (gunichar ch, gpointer user_data)
 361 {
 362     return !g_unichar_isspace(ch);
 363 }
 364 }
 365
 366 extern "C" {
 367 static gboolean
 368 pred_nonpunct (gunichar ch, gpointer user_data)
 369 {
 370     return !g_unichar_ispunct(ch);
 371 }
 372 }
 373
 374 extern "C" {
 375 static gboolean
 376 pred_nonpunct_or_slash (gunichar ch, gpointer user_data)
 377 {
 378     return !g_unichar_ispunct(ch) || ch == '/';
 379 }
 380 }
 381
 382 //-----------------------------------------------------------------------------
 383 //  Check for links between s and e and correct tags as necessary
 384 //-----------------------------------------------------------------------------
 385
 386 // This function should be made match better while being efficient at one point.
 387 // Most probably with a row of regular expressions.
 388 extern "C" {
 389 static void
 390 au_check_word( GtkTextIter *s, GtkTextIter *e )
 391 {
 392     static const char *URIPrefixes[] =
 393     {
 394         "http://",
 395         "ftp://",
 396         "www.",
 397         "ftp.",
 398         "mailto://",
 399         "https://",
 400         "file://",
 401         "nntp://",
 402         "news://",
 403         "telnet://",
 404         "mms://",
 405         "gopher://",
 406         "prospero://",
 407         "wais://",
 408     };
 409
 410     GtkTextIter start = *s, end = *e;
 411     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 412
 413     // Get our special link tag
 414     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 415
 416     // Get rid of punctuation from beginning and end.
 417     // Might want to move this to au_check_range if an improved link checking doesn't
 418     // use some intelligent punctuation checking itself (beware of undesired iter modifications).
 419     if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
 420         gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
 421
 422     gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
 423     gtk_text_iter_forward_char(&end);
 424
 425     gchar* text = gtk_text_iter_get_text( &start, &end );
 426     size_t len = strlen(text), prefix_len;
 427     size_t n;
 428
 429     for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
 430     {
 431         prefix_len = strlen(URIPrefixes[n]);
 432         if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
 433             break;
 434     }
 435
 436     if(n < WXSIZEOF(URIPrefixes))
 437     {
 438         gulong signal_id = g_signal_handler_find (buffer,
 439                                                   (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
 440                                                   0, 0, NULL,
 441                                                   (gpointer)au_apply_tag_callback, NULL);
 442
 443         g_signal_handler_block (buffer, signal_id);
 444         gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
 445         g_signal_handler_unblock (buffer, signal_id);
 446     }
 447 }
 448 }
 449
 450 extern "C" {
 451 static void
 452 au_check_range(GtkTextIter *s,
 453                GtkTextIter *range_end)
 454 {
 455     GtkTextIter range_start = *s;
 456     GtkTextIter word_end;
 457     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 458     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 459
 460     gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
 461
 462     if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
 463         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 464
 465     while(!gtk_text_iter_equal(&range_start, range_end))
 466     {
 467         word_end = range_start;
 468         gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
 469
 470         // Now we should have a word delimited by range_start and word_end, correct link tags
 471         au_check_word(&range_start, &word_end);
 472
 473         range_start = word_end;
 474         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 475     }
 476 }
 477 }
 478
 479 //-----------------------------------------------------------------------------
 480 //  "insert-text" for GtkTextBuffer
 481 //-----------------------------------------------------------------------------
 482
 483 extern "C" {
 484 static void
 485 au_insert_text_callback(GtkTextBuffer *buffer,
 486                         GtkTextIter *end,
 487                         gchar *text,
 488                         gint len,
 489                         wxTextCtrl *win)
 490 {
 491     if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 492         return;
 493
 494     GtkTextIter start = *end;
 495     gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
 496
 497     GtkTextIter line_start = start;
 498     GtkTextIter line_end = *end;
 499     GtkTextIter words_start = start;
 500     GtkTextIter words_end = *end;
 501
 502     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
 503     gtk_text_iter_forward_to_line_end(&line_end);
 504     gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
 505     gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
 506
 507     au_check_range(&words_start, &words_end);
 508 }
 509 }
 510
 511 //-----------------------------------------------------------------------------
 512 //  "delete-range" for GtkTextBuffer
 513 //-----------------------------------------------------------------------------
 514
 515 extern "C" {
 516 static void
 517 au_delete_range_callback(GtkTextBuffer *buffer,
 518                          GtkTextIter *start,
 519                          GtkTextIter *end,
 520                          wxTextCtrl *win)
 521 {
 522     if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 523         return;
 524
 525     GtkTextIter line_start = *start, line_end = *end;
 526
 527     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
 528     gtk_text_iter_forward_to_line_end(&line_end);
 529     gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
 530     gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
 531
 532     au_check_range(start, end);
 533 }
 534 }
 535
 536
 537 //-----------------------------------------------------------------------------
 538 //  "changed"
 539 //-----------------------------------------------------------------------------
 540
 541 extern "C" {
 542 static void
 543 gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
 544 {
 545     if ( win->IgnoreTextUpdate() )
 546         return;
 547
 548     if (!win->m_hasVMT) return;
 549
 550     if (g_isIdle)
 551         wxapp_install_idle_handler();
 552
 553     if ( win->MarkDirtyOnChange() )
 554         win->MarkDirty();
 555
 556     win->SendTextUpdatedEvent();
 557 }
 558 }
 559
 560 //-----------------------------------------------------------------------------
 561 //  clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard"
 562 //-----------------------------------------------------------------------------
 563
 564 // common part of the event handlers below
 565 static void
 566 handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win,
 567                                 wxEventType eventType, const gchar * signal_name)
 568 {
 569     wxClipboardTextEvent event( eventType, win->GetId() );
 570     event.SetEventObject( win );
 571     if ( win->GetEventHandler()->ProcessEvent( event ) )
 572     {
 573         // don't let the default processing to take place if we did something
 574         // ourselves in the event handler
 575         g_signal_stop_emission_by_name (widget, signal_name);
 576     }
 577 }
 578
 579 extern "C" {
 580 static void
 581 gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 582 {
 583     handle_text_clipboard_callback(
 584         widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" );
 585 }
 586
 587 static void
 588 gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 589 {
 590     handle_text_clipboard_callback(
 591         widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" );
 592 }
 593
 594 static void
 595 gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 596 {
 597     handle_text_clipboard_callback(
 598         widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" );
 599 }
 600 }
 601
 602 //-----------------------------------------------------------------------------
 603 // "expose_event" from scrolled window and textview
 604 //-----------------------------------------------------------------------------
 605
 606 extern "C" {
 607 static gboolean
 608 gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win )
 609 {
 610     return TRUE;
 611 }
 612 }
 613
 614
 615 //-----------------------------------------------------------------------------
 616 //  wxTextCtrl
 617 //-----------------------------------------------------------------------------
 618
 619 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 620
 621 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 622     EVT_CHAR(wxTextCtrl::OnChar)
 623
 624     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 625     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 626     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 627     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 628     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 629
 630     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 631     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 632     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 633     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 634     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 635
 636     // wxTE_AUTO_URL wxTextUrl support. Currently only creates
 637     // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
 638     EVT_MOTION      (wxTextCtrl::OnUrlMouseEvent)
 639     EVT_LEFT_DOWN   (wxTextCtrl::OnUrlMouseEvent)
 640     EVT_LEFT_UP     (wxTextCtrl::OnUrlMouseEvent)
 641     EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
 642     EVT_RIGHT_DOWN  (wxTextCtrl::OnUrlMouseEvent)
 643     EVT_RIGHT_UP    (wxTextCtrl::OnUrlMouseEvent)
 644     EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
 645 END_EVENT_TABLE()
 646
 647 void wxTextCtrl::Init()
 648 {
 649     m_dontMarkDirty =
 650     m_modified = false;
 651
 652     m_countUpdatesToIgnore = 0;
 653
 654     SetUpdateFont(false);
 655
 656     m_text = NULL;
 657     m_freezeCount = 0;
 658     m_showPositionOnThaw = NULL;
 659     m_gdkHandCursor = NULL;
 660     m_gdkXTermCursor = NULL;
 661 }
 662
 663 wxTextCtrl::~wxTextCtrl()
 664 {
 665     if(m_gdkHandCursor)
 666         gdk_cursor_unref(m_gdkHandCursor);
 667     if(m_gdkXTermCursor)
 668         gdk_cursor_unref(m_gdkXTermCursor);
 669 }
 670
 671 wxTextCtrl::wxTextCtrl( wxWindow *parent,
 672                         wxWindowID id,
 673                         const wxString &value,
 674                         const wxPoint &pos,
 675                         const wxSize &size,
 676                         long style,
 677                         const wxValidator& validator,
 678                         const wxString &name )
 679 {
 680     Init();
 681
 682     Create( parent, id, value, pos, size, style, validator, name );
 683 }
 684
 685 bool wxTextCtrl::Create( wxWindow *parent,
 686                          wxWindowID id,
 687                          const wxString &value,
 688                          const wxPoint &pos,
 689                          const wxSize &size,
 690                          long style,
 691                          const wxValidator& validator,
 692                          const wxString &name )
 693 {
 694     m_needParent = true;
 695
 696     if (!PreCreation( parent, pos, size ) ||
 697         !CreateBase( parent, id, pos, size, style, validator, name ))
 698     {
 699         wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
 700         return false;
 701     }
 702
 703     bool multi_line = (style & wxTE_MULTILINE) != 0;
 704
 705     if (multi_line)
 706     {
 707         // Create view
 708         m_text = gtk_text_view_new();
 709
 710         m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
 711
 712         // create "ShowPosition" marker
 713         GtkTextIter iter;
 714         gtk_text_buffer_get_start_iter(m_buffer, &iter);
 715         gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true);
 716
 717         // create scrolled window
 718         m_widget = gtk_scrolled_window_new( NULL, NULL );
 719         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
 720                                         GTK_POLICY_AUTOMATIC,
 721                                         style & wxTE_NO_VSCROLL
 722                                             ? GTK_POLICY_NEVER
 723                                             : GTK_POLICY_AUTOMATIC );
 724         // for ScrollLines/Pages
 725         m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar;
 726
 727         // Insert view into scrolled window
 728         gtk_container_add( GTK_CONTAINER(m_widget), m_text );
 729
 730         GTKSetWrapMode();
 731
 732         GtkScrolledWindowSetBorder(m_widget, style);
 733
 734         gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
 735
 736         GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 737     }
 738     else
 739     {
 740         // a single-line text control: no need for scrollbars
 741         m_widget =
 742         m_text = gtk_entry_new();
 743
 744         if (style & wxNO_BORDER)
 745             g_object_set (m_text, "has-frame", FALSE, NULL);
 746     }
 747
 748     m_parent->DoAddChild( this );
 749
 750     m_focusWidget = m_text;
 751
 752     PostCreation(size);
 753
 754     if (multi_line)
 755     {
 756         gtk_widget_show(m_text);
 757     }
 758
 759     if (!value.empty())
 760     {
 761         SetValue( value );
 762     }
 763
 764     if (style & wxTE_PASSWORD)
 765         GTKSetVisibility();
 766
 767     if (style & wxTE_READONLY)
 768         GTKSetEditable();
 769
 770     // left justification (alignment) is the default anyhow
 771     if ( style & (wxTE_RIGHT | wxTE_CENTRE) )
 772         GTKSetJustification();
 773
 774     // We want to be notified about text changes.
 775     if (multi_line)
 776     {
 777         g_signal_connect (m_buffer, "changed",
 778                           G_CALLBACK (gtk_text_changed_callback), this);
 779
 780         // .. and handle URLs on multi-line controls with wxTE_AUTO_URL style
 781         if (style & wxTE_AUTO_URL)
 782         {
 783             GtkTextIter start, end;
 784             m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
 785             m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
 786
 787             // We create our wxUrl tag here for slight efficiency gain - we
 788             // don't have to check for the tag existance in callbacks,
 789             // hereby it's guaranteed to exist.
 790             gtk_text_buffer_create_tag(m_buffer, "wxUrl",
 791                                        "foreground", "blue",
 792                                        "underline", PANGO_UNDERLINE_SINGLE,
 793                                        NULL);
 794
 795             // Check for URLs after each text change
 796             g_signal_connect_after (m_buffer, "insert_text",
 797                                     G_CALLBACK (au_insert_text_callback), this);
 798             g_signal_connect_after (m_buffer, "delete_range",
 799                                     G_CALLBACK (au_delete_range_callback), this);
 800
 801             // Block all wxUrl tag applying unless we do it ourselves, in which case we
 802             // block this callback temporarily. This takes care of gtk+ internal
 803             // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
 804             // which is undesired because only a part of the URL might be copied.
 805             // The insert-text signal emitted inside it will take care of newly formed
 806             // or wholly copied URLs.
 807             g_signal_connect (m_buffer, "apply_tag",
 808                               G_CALLBACK (au_apply_tag_callback), NULL);
 809
 810             // Check for URLs in the initial string passed to Create
 811             gtk_text_buffer_get_start_iter(m_buffer, &start);
 812             gtk_text_buffer_get_end_iter(m_buffer, &end);
 813             au_check_range(&start, &end);
 814         }
 815     }
 816     else
 817     {
 818         g_signal_connect (m_text, "changed",
 819                           G_CALLBACK (gtk_text_changed_callback), this);
 820     }
 821
 822     g_signal_connect (m_text, "copy-clipboard",
 823                       G_CALLBACK (gtk_copy_clipboard_callback), this);
 824     g_signal_connect (m_text, "cut-clipboard",
 825                       G_CALLBACK (gtk_cut_clipboard_callback), this);
 826     g_signal_connect (m_text, "paste-clipboard",
 827                       G_CALLBACK (gtk_paste_clipboard_callback), this);
 828
 829     m_cursor = wxCursor( wxCURSOR_IBEAM );
 830
 831     return true;
 832 }
 833
 834 // ----------------------------------------------------------------------------
 835 // flags handling
 836 // ----------------------------------------------------------------------------
 837
 838 void wxTextCtrl::GTKSetEditable()
 839 {
 840     gboolean editable = !HasFlag(wxTE_READONLY);
 841     if ( IsSingleLine() )
 842         gtk_editable_set_editable(GTK_EDITABLE(m_text), editable);
 843     else
 844         gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable);
 845 }
 846
 847 void wxTextCtrl::GTKSetVisibility()
 848 {
 849     // VZ: shouldn't we assert if wxTE_PASSWORD is set for multiline control?
 850     if ( IsSingleLine() )
 851         gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD));
 852 }
 853
 854 void wxTextCtrl::GTKSetWrapMode()
 855 {
 856     // no wrapping in single line controls
 857     if ( !IsMultiLine() )
 858         return;
 859
 860     // translate wx wrapping style to GTK+
 861     GtkWrapMode wrap;
 862     if ( HasFlag( wxTE_DONTWRAP ) )
 863         wrap = GTK_WRAP_NONE;
 864     else if ( HasFlag( wxTE_CHARWRAP ) )
 865         wrap = GTK_WRAP_CHAR;
 866     else if ( HasFlag( wxTE_WORDWRAP ) )
 867         wrap = GTK_WRAP_WORD;
 868     else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
 869     {
 870         // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4
 871 #ifdef __WXGTK24__
 872         if ( !gtk_check_version(2,4,0) )
 873         {
 874             wrap = GTK_WRAP_WORD_CHAR;
 875         }
 876         else
 877 #endif // __WXGTK24__
 878         wrap = GTK_WRAP_WORD;
 879     }
 880
 881     gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
 882 }
 883
 884 void wxTextCtrl::GTKSetJustification()
 885 {
 886     if ( IsMultiLine() )
 887     {
 888         GtkJustification just;
 889         if ( HasFlag(wxTE_RIGHT) )
 890             just = GTK_JUSTIFY_RIGHT;
 891         else if ( HasFlag(wxTE_CENTRE) )
 892             just = GTK_JUSTIFY_CENTER;
 893         else // wxTE_LEFT == 0
 894             just = GTK_JUSTIFY_LEFT;
 895
 896         gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just);
 897     }
 898     else // single line
 899     {
 900 #ifdef __WXGTK24__
 901         // gtk_entry_set_alignment was introduced in gtk+-2.3.5
 902         if (!gtk_check_version(2,4,0))
 903         {
 904             gfloat align;
 905             if ( HasFlag(wxTE_RIGHT) )
 906                 align = 1.0;
 907             else if ( HasFlag(wxTE_CENTRE) )
 908                 align = 0.5;
 909             else // single line
 910                 align = 0.0;
 911
 912             gtk_entry_set_alignment(GTK_ENTRY(m_text), align);
 913         }
 914 #endif // __WXGTK24__
 915     }
 916
 917 }
 918
 919 void wxTextCtrl::SetWindowStyleFlag(long style)
 920 {
 921     long styleOld = GetWindowStyleFlag();
 922
 923     wxTextCtrlBase::SetWindowStyleFlag(style);
 924
 925     if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) )
 926         GTKSetEditable();
 927
 928     if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) )
 929         GTKSetVisibility();
 930
 931     static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP;
 932     if ( (style & flagsWrap) != (styleOld & flagsWrap) )
 933         GTKSetWrapMode();
 934
 935     static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
 936     if ( (style & flagsAlign) != (styleOld & flagsAlign) )
 937         GTKSetJustification();
 938 }
 939
 940 // ----------------------------------------------------------------------------
 941 // control value
 942 // ----------------------------------------------------------------------------
 943
 944 wxString wxTextCtrl::GetValue() const
 945 {
 946     wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
 947
 948     wxString tmp;
 949     if ( IsMultiLine() )
 950     {
 951         GtkTextIter start;
 952         gtk_text_buffer_get_start_iter( m_buffer, &start );
 953         GtkTextIter end;
 954         gtk_text_buffer_get_end_iter( m_buffer, &end );
 955         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
 956
 957         const wxWxCharBuffer buf = wxGTK_CONV_BACK(text);
 958         if ( buf )
 959             tmp = buf;
 960     }
 961     else
 962     {
 963         const gchar *text = gtk_entry_get_text( GTK_ENTRY(m_text) );
 964         const wxWxCharBuffer buf = wxGTK_CONV_BACK( text );
 965         if ( buf )
 966             tmp = buf;
 967     }
 968
 969     return tmp;
 970 }
 971
 972 wxFontEncoding wxTextCtrl::GetTextEncoding() const
 973 {
 974     // GTK+ uses UTF-8 internally, we need to convert to it but from which
 975     // encoding?
 976
 977     // first check the default text style (we intentionally don't check the
 978     // style for the current position as it doesn't make sense for SetValue())
 979     const wxTextAttr& style = GetDefaultStyle();
 980     wxFontEncoding enc = style.HasFont() ? style.GetFont().GetEncoding()
 981                                          : wxFONTENCODING_SYSTEM;
 982
 983     // fall back to the controls font if no style
 984     if ( enc == wxFONTENCODING_SYSTEM && m_hasFont )
 985         enc = GetFont().GetEncoding();
 986
 987     return enc;
 988 }
 989
 990 bool wxTextCtrl::IsEmpty() const
 991 {
 992     if ( IsMultiLine() )
 993         return gtk_text_buffer_get_char_count(m_buffer) == 0;
 994
 995     return wxTextCtrlBase::IsEmpty();
 996 }
 997
 998 void wxTextCtrl::DoSetValue( const wxString &value, int flags )
 999 {
1000     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1001
1002     // the control won't be modified any more as we programmatically replace
1003     // all the existing text, so reset the flag and don't set it again (and do
1004     // it now, before the text event handler is ran so that IsModified() called
1005     // from there returns the expected value)
1006     m_modified = false;
1007     DontMarkDirtyOnNextChange();
1008
1009     wxFontEncoding enc = m_defaultStyle.HasFont()
1010                             ? m_defaultStyle.GetFont().GetEncoding()
1011                             : wxFONTENCODING_SYSTEM;
1012     if ( enc == wxFONTENCODING_SYSTEM )
1013         enc = GetTextEncoding();
1014
1015     const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc));
1016     if ( !buffer )
1017     {
1018         // see comment in WriteText() as to why we must warn the user about
1019         // this
1020         wxLogWarning(_("Failed to set text in the text control."));
1021         return;
1022     }
1023
1024     // if the control is not empty, two "changed" signals are emitted,
1025     // otherwise only one and we need to ignore either both or one of them
1026     int ignore = flags & SetValue_SendEvent ? 0 : 1;
1027     if ( !IsEmpty() )
1028         ignore++;
1029
1030     if ( ignore )
1031         IgnoreNextTextUpdate(ignore);
1032
1033     if ( IsMultiLine() )
1034     {
1035         gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
1036
1037         if ( !m_defaultStyle.IsDefault() )
1038         {
1039             GtkTextIter start, end;
1040             gtk_text_buffer_get_bounds( m_buffer, &start, &end );
1041             wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle,
1042                                        &start, &end);
1043         }
1044     }
1045     else // single line
1046     {
1047         gtk_entry_set_text( GTK_ENTRY(m_text), buffer );
1048     }
1049
1050     // if, for whatever reason, the callback wasn't called the expected number
1051     // of times, still reset the flags to the default values
1052     m_dontMarkDirty = false;
1053     m_countUpdatesToIgnore = 0;
1054
1055
1056     // GRG, Jun/2000: Changed this after a lot of discussion in
1057     //   the lists. wxWidgets 2.2 will have a set of flags to
1058     //   customize this behaviour.
1059     SetInsertionPoint(0);
1060 }
1061
1062 void wxTextCtrl::WriteText( const wxString &text )
1063 {
1064     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1065
1066     if ( text.empty() )
1067         return;
1068
1069     // check if we have a specific style for the current position
1070     wxFontEncoding enc = wxFONTENCODING_SYSTEM;
1071     wxTextAttr style;
1072     if ( GetStyle(GetInsertionPoint(), style) && style.HasFont() )
1073     {
1074         enc = style.GetFont().GetEncoding();
1075     }
1076
1077     if ( enc == wxFONTENCODING_SYSTEM )
1078         enc = GetTextEncoding();
1079
1080     const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc));
1081     if ( !buffer )
1082     {
1083         // we must log an error here as losing the text like this can be a
1084         // serious problem (e.g. imagine the document edited by user being
1085         // empty instead of containing the correct text)
1086         wxLogWarning(_("Failed to insert text in the control."));
1087         return;
1088     }
1089
1090     // we're changing the text programmatically
1091     DontMarkDirtyOnNextChange();
1092
1093     if ( IsMultiLine() )
1094     {
1095         // First remove the selection if there is one
1096         // TODO:  Is there an easier GTK specific way to do this?
1097         long from, to;
1098         GetSelection(&from, &to);
1099         if (from != to)
1100             Remove(from, to);
1101
1102         // Insert the text
1103         wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
1104
1105         GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
1106         // Scroll to cursor, but only if scrollbar thumb is at the very bottom
1107         // won't work when frozen, text view is not using m_buffer then
1108         if (!IsFrozen() && wxIsSameDouble(adj->value, adj->upper - adj->page_size))
1109         {
1110             gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
1111                     gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
1112         }
1113     }
1114     else // single line
1115     {
1116         // First remove the selection if there is one
1117         gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
1118
1119         // This moves the cursor pos to behind the inserted text.
1120         gint len = gtk_editable_get_position(GTK_EDITABLE(m_text));
1121
1122         gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
1123
1124         // Bring entry's cursor uptodate.
1125         gtk_editable_set_position( GTK_EDITABLE(m_text), len );
1126     }
1127 }
1128
1129 void wxTextCtrl::AppendText( const wxString &text )
1130 {
1131     SetInsertionPointEnd();
1132     WriteText( text );
1133 }
1134
1135 wxString wxTextCtrl::GetLineText( long lineNo ) const
1136 {
1137     wxString result;
1138     if ( IsMultiLine() )
1139     {
1140         GtkTextIter line;
1141         gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1142
1143         GtkTextIter end = line;
1144         // avoid skipping to the next line end if this one is empty
1145         if ( !gtk_text_iter_ends_line(&line) )
1146             gtk_text_iter_forward_to_line_end(&end);
1147
1148         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
1149         result = wxGTK_CONV_BACK(text);
1150     }
1151     else
1152     {
1153         if (lineNo == 0)
1154             result = GetValue();
1155     }
1156     return result;
1157 }
1158
1159 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1160 {
1161   /* If you implement this, don't forget to update the documentation!
1162    * (file docs/latex/wx/text.tex) */
1163     wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1164 }
1165
1166 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1167 {
1168     if ( IsMultiLine() )
1169     {
1170         GtkTextIter iter;
1171
1172         if (pos > GetLastPosition())
1173             return false;
1174
1175         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1176
1177         if ( y )
1178             *y = gtk_text_iter_get_line(&iter);
1179         if ( x )
1180             *x = gtk_text_iter_get_line_offset(&iter);
1181     }
1182     else // single line control
1183     {
1184         if ( pos <= GTK_ENTRY(m_text)->text_length )
1185         {
1186             if ( y )
1187                 *y = 0;
1188             if ( x )
1189                 *x = pos;
1190         }
1191         else
1192         {
1193             // index out of bounds
1194             return false;
1195         }
1196     }
1197
1198     return true;
1199 }
1200
1201 long wxTextCtrl::XYToPosition(long x, long y ) const
1202 {
1203     if ( IsSingleLine() )
1204         return 0;
1205
1206     GtkTextIter iter;
1207     if (y >= gtk_text_buffer_get_line_count (m_buffer))
1208         return -1;
1209
1210     gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y);
1211     if (x >= gtk_text_iter_get_chars_in_line (&iter))
1212         return -1;
1213
1214     return gtk_text_iter_get_offset(&iter) + x;
1215 }
1216
1217 int wxTextCtrl::GetLineLength(long lineNo) const
1218 {
1219     if ( IsMultiLine() )
1220     {
1221         int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1222         if (lineNo > last_line)
1223             return -1;
1224
1225         GtkTextIter iter;
1226         gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1227         // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1228         return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1229     }
1230     else
1231     {
1232         wxString str = GetLineText (lineNo);
1233         return (int) str.length();
1234     }
1235 }
1236
1237 int wxTextCtrl::GetNumberOfLines() const
1238 {
1239     if ( IsMultiLine() )
1240     {
1241         return gtk_text_buffer_get_line_count( m_buffer );
1242     }
1243     else // single line
1244     {
1245         return 1;
1246     }
1247 }
1248
1249 void wxTextCtrl::SetInsertionPoint( long pos )
1250 {
1251     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1252
1253     if ( IsMultiLine() )
1254     {
1255         GtkTextIter iter;
1256         gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1257         gtk_text_buffer_place_cursor( m_buffer, &iter );
1258         GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
1259         if (IsFrozen())
1260             // defer until Thaw, text view is not using m_buffer now
1261             m_showPositionOnThaw = mark;
1262         else
1263             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1264     }
1265     else
1266     {
1267         // FIXME: Is the editable's cursor really uptodate without double set_position in GTK2?
1268         gtk_editable_set_position(GTK_EDITABLE(m_text), int(pos));
1269     }
1270 }
1271
1272 void wxTextCtrl::SetInsertionPointEnd()
1273 {
1274     SetInsertionPoint(-1);
1275 }
1276
1277 void wxTextCtrl::SetEditable( bool editable )
1278 {
1279     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1280
1281     if ( IsMultiLine() )
1282     {
1283         gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1284     }
1285     else
1286     {
1287         gtk_editable_set_editable( GTK_EDITABLE(m_text), editable );
1288     }
1289 }
1290
1291 bool wxTextCtrl::Enable( bool enable )
1292 {
1293     if (!wxWindowBase::Enable(enable))
1294     {
1295         // nothing to do
1296         return false;
1297     }
1298
1299     if ( IsMultiLine() )
1300     {
1301         SetEditable( enable );
1302     }
1303     else
1304     {
1305         gtk_widget_set_sensitive( m_text, enable );
1306     }
1307
1308     return true;
1309 }
1310
1311 // wxGTK-specific: called recursively by Enable,
1312 // to give widgets an opportunity to correct their colours after they
1313 // have been changed by Enable
1314 void wxTextCtrl::OnEnabled( bool enable )
1315 {
1316     // If we have a custom background colour, we use this colour in both
1317     // disabled and enabled mode, or we end up with a different colour under the
1318     // text.
1319     wxColour oldColour = GetBackgroundColour();
1320     if (oldColour.Ok())
1321     {
1322         // Need to set twice or it'll optimize the useful stuff out
1323         if (oldColour == * wxWHITE)
1324             SetBackgroundColour(*wxBLACK);
1325         else
1326             SetBackgroundColour(*wxWHITE);
1327         SetBackgroundColour(oldColour);
1328     }
1329 }
1330
1331 void wxTextCtrl::MarkDirty()
1332 {
1333     m_modified = true;
1334 }
1335
1336 void wxTextCtrl::DiscardEdits()
1337 {
1338     m_modified = false;
1339 }
1340
1341 // ----------------------------------------------------------------------------
1342 // max text length support
1343 // ----------------------------------------------------------------------------
1344
1345 bool wxTextCtrl::IgnoreTextUpdate()
1346 {
1347     if ( m_countUpdatesToIgnore > 0 )
1348     {
1349         m_countUpdatesToIgnore--;
1350
1351         return true;
1352     }
1353
1354     return false;
1355 }
1356
1357 bool wxTextCtrl::MarkDirtyOnChange()
1358 {
1359     if ( m_dontMarkDirty )
1360     {
1361         m_dontMarkDirty = false;
1362
1363         return false;
1364     }
1365
1366     return true;
1367 }
1368
1369 void wxTextCtrl::SetMaxLength(unsigned long len)
1370 {
1371     if ( !HasFlag(wxTE_MULTILINE) )
1372     {
1373         gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
1374
1375         // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
1376         // we had tried to enter more text than allowed by max text length and
1377         // the text wasn't really changed
1378         //
1379         // to detect this and generate TEXT_MAXLEN event instead of
1380         // TEXT_CHANGED one in this case we also catch "insert_text" signal
1381         //
1382         // when max len is set to 0 we disconnect our handler as it means that
1383         // we shouldn't check anything any more
1384         if ( len )
1385         {
1386             g_signal_connect (m_text, "insert_text",
1387                               G_CALLBACK (gtk_insert_text_callback), this);
1388         }
1389         else // no checking
1390         {
1391             g_signal_handlers_disconnect_by_func (m_text,
1392                     (gpointer) gtk_insert_text_callback, this);
1393         }
1394     }
1395 }
1396
1397 void wxTextCtrl::SetSelection( long from, long to )
1398 {
1399     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1400
1401     if (from == -1 && to == -1)
1402     {
1403         from = 0;
1404         to = GetValue().length();
1405     }
1406
1407     if ( IsMultiLine() )
1408     {
1409         GtkTextIter fromi, toi;
1410         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1411         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1412
1413         gtk_text_buffer_place_cursor( m_buffer, &toi );
1414         gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1415     }
1416     else
1417     {
1418         gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1419     }
1420 }
1421
1422 void wxTextCtrl::ShowPosition( long pos )
1423 {
1424     if (IsMultiLine())
1425     {
1426         GtkTextIter iter;
1427         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
1428         GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
1429         gtk_text_buffer_move_mark(m_buffer, mark, &iter);
1430         if (IsFrozen())
1431             // defer until Thaw, text view is not using m_buffer now
1432             m_showPositionOnThaw = mark;
1433         else
1434             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1435     }
1436 }
1437
1438 wxTextCtrlHitTestResult
1439 wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1440 {
1441     if ( !IsMultiLine() )
1442     {
1443         // not supported
1444         return wxTE_HT_UNKNOWN;
1445     }
1446
1447     int x, y;
1448     gtk_text_view_window_to_buffer_coords
1449     (
1450         GTK_TEXT_VIEW(m_text),
1451         GTK_TEXT_WINDOW_TEXT,
1452         pt.x, pt.y,
1453         &x, &y
1454     );
1455
1456     GtkTextIter iter;
1457     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1458     if ( pos )
1459         *pos = gtk_text_iter_get_offset(&iter);
1460
1461     return wxTE_HT_ON_TEXT;
1462 }
1463
1464 long wxTextCtrl::GetInsertionPoint() const
1465 {
1466     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1467
1468     if ( IsMultiLine() )
1469     {
1470         // There is no direct accessor for the cursor, but
1471         // internally, the cursor is the "mark" called
1472         // "insert" in the text view's btree structure.
1473
1474         GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1475         GtkTextIter cursor;
1476         gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1477
1478         return gtk_text_iter_get_offset( &cursor );
1479     }
1480     else
1481     {
1482         return (long) gtk_editable_get_position(GTK_EDITABLE(m_text));
1483     }
1484 }
1485
1486 wxTextPos wxTextCtrl::GetLastPosition() const
1487 {
1488     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1489
1490     int pos = 0;
1491
1492     if ( IsMultiLine() )
1493     {
1494         GtkTextIter end;
1495         gtk_text_buffer_get_end_iter( m_buffer, &end );
1496
1497         pos = gtk_text_iter_get_offset( &end );
1498     }
1499     else
1500     {
1501         pos = GTK_ENTRY(m_text)->text_length;
1502     }
1503
1504     return (long)pos;
1505 }
1506
1507 void wxTextCtrl::Remove( long from, long to )
1508 {
1509     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1510
1511     if ( IsMultiLine() )
1512     {
1513         GtkTextIter fromi, toi;
1514         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1515         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1516
1517         gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1518     }
1519     else // single line
1520         gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1521 }
1522
1523 void wxTextCtrl::Replace( long from, long to, const wxString &value )
1524 {
1525     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1526
1527     Remove( from, to );
1528
1529     if (!value.empty())
1530     {
1531         SetInsertionPoint( from );
1532         WriteText( value );
1533     }
1534 }
1535
1536 void wxTextCtrl::Cut()
1537 {
1538     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1539
1540     if ( IsMultiLine() )
1541         g_signal_emit_by_name (m_text, "cut-clipboard");
1542     else
1543         gtk_editable_cut_clipboard(GTK_EDITABLE(m_text));
1544 }
1545
1546 void wxTextCtrl::Copy()
1547 {
1548     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1549
1550     if ( IsMultiLine() )
1551         g_signal_emit_by_name (m_text, "copy-clipboard");
1552     else
1553         gtk_editable_copy_clipboard(GTK_EDITABLE(m_text));
1554 }
1555
1556 void wxTextCtrl::Paste()
1557 {
1558     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1559
1560     if ( IsMultiLine() )
1561         g_signal_emit_by_name (m_text, "paste-clipboard");
1562     else
1563         gtk_editable_paste_clipboard(GTK_EDITABLE(m_text));
1564 }
1565
1566 // Undo/redo
1567 void wxTextCtrl::Undo()
1568 {
1569     // TODO
1570     wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1571 }
1572
1573 void wxTextCtrl::Redo()
1574 {
1575     // TODO
1576     wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1577 }
1578
1579 bool wxTextCtrl::CanUndo() const
1580 {
1581     // TODO
1582     //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1583     return false;
1584 }
1585
1586 bool wxTextCtrl::CanRedo() const
1587 {
1588     // TODO
1589     //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1590     return false;
1591 }
1592
1593 // If the return values from and to are the same, there is no
1594 // selection.
1595 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1596 {
1597     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1598
1599     gint from = -1;
1600     gint to = -1;
1601     bool haveSelection = false;
1602
1603      if ( IsMultiLine() )
1604      {
1605          GtkTextIter ifrom, ito;
1606          if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1607          {
1608              haveSelection = true;
1609              from = gtk_text_iter_get_offset(&ifrom);
1610              to = gtk_text_iter_get_offset(&ito);
1611          }
1612      }
1613      else  // not multi-line
1614      {
1615          if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1616                                                  &from, &to) )
1617          {
1618              haveSelection = true;
1619          }
1620      }
1621
1622      if (! haveSelection )
1623           from = to = GetInsertionPoint();
1624
1625      if ( from > to )
1626      {
1627          // exchange them to be compatible with wxMSW
1628          gint tmp = from;
1629          from = to;
1630          to = tmp;
1631      }
1632
1633     if ( fromOut )
1634         *fromOut = from;
1635     if ( toOut )
1636         *toOut = to;
1637 }
1638
1639
1640 bool wxTextCtrl::IsEditable() const
1641 {
1642     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1643
1644     if ( IsMultiLine() )
1645     {
1646         return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1647     }
1648     else
1649     {
1650         return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1651     }
1652 }
1653
1654 bool wxTextCtrl::IsModified() const
1655 {
1656     return m_modified;
1657 }
1658
1659 void wxTextCtrl::Clear()
1660 {
1661     SetValue( wxEmptyString );
1662 }
1663
1664 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1665 {
1666     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1667
1668     if ( key_event.GetKeyCode() == WXK_RETURN )
1669     {
1670         if ( HasFlag(wxTE_PROCESS_ENTER) )
1671         {
1672             wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1673             event.SetEventObject(this);
1674             event.SetString(GetValue());
1675             if ( GetEventHandler()->ProcessEvent(event) )
1676                 return;
1677         }
1678
1679         // FIXME: this is not the right place to do it, wxDialog::OnCharHook()
1680         //        probably is
1681         if ( IsSingleLine() )
1682         {
1683             // This will invoke the dialog default action, such
1684             // as the clicking the default button.
1685
1686             wxWindow *top_frame = m_parent;
1687             while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1688                 top_frame = top_frame->GetParent();
1689
1690             if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1691             {
1692                 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1693
1694                 if (window->default_widget)
1695                 {
1696                     gtk_widget_activate (window->default_widget);
1697                     return;
1698                 }
1699             }
1700         }
1701     }
1702
1703     key_event.Skip();
1704 }
1705
1706 GtkWidget* wxTextCtrl::GetConnectWidget()
1707 {
1708     return GTK_WIDGET(m_text);
1709 }
1710
1711 GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
1712 {
1713     if ( IsMultiLine() )
1714     {
1715         return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1716                                         GTK_TEXT_WINDOW_TEXT );
1717     }
1718     else
1719     {
1720         return GTK_ENTRY(m_text)->text_area;
1721     }
1722 }
1723
1724 // the font will change for subsequent text insertiongs
1725 bool wxTextCtrl::SetFont( const wxFont &font )
1726 {
1727     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1728
1729     if ( !wxTextCtrlBase::SetFont(font) )
1730     {
1731         // font didn't change, nothing to do
1732         return false;
1733     }
1734
1735     if ( IsMultiLine() )
1736     {
1737         SetUpdateFont(true);
1738
1739         m_defaultStyle.SetFont(font);
1740
1741         ChangeFontGlobally();
1742     }
1743
1744     return true;
1745 }
1746
1747 void wxTextCtrl::ChangeFontGlobally()
1748 {
1749     // this method is very inefficient and hence should be called as rarely as
1750     // possible!
1751     //
1752     // TODO: it can be implemented much more efficiently for GTK2
1753     wxASSERT_MSG( IsMultiLine(),
1754                   _T("shouldn't be called for single line controls") );
1755
1756     wxString value = GetValue();
1757     if ( !value.empty() )
1758     {
1759         SetUpdateFont(false);
1760
1761         Clear();
1762         AppendText(value);
1763     }
1764 }
1765
1766 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1767 {
1768     if ( !wxControl::SetForegroundColour(colour) )
1769         return false;
1770
1771     // update default fg colour too
1772     m_defaultStyle.SetTextColour(colour);
1773
1774     return true;
1775 }
1776
1777 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1778 {
1779     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1780
1781     if ( !wxControl::SetBackgroundColour( colour ) )
1782         return false;
1783
1784     if (!m_backgroundColour.Ok())
1785         return false;
1786
1787     // change active background color too
1788     m_defaultStyle.SetBackgroundColour( colour );
1789
1790     return true;
1791 }
1792
1793 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1794 {
1795     if ( IsMultiLine() )
1796     {
1797         if ( style.IsDefault() )
1798         {
1799             // nothing to do
1800             return true;
1801         }
1802
1803         gint l = gtk_text_buffer_get_char_count( m_buffer );
1804
1805         wxCHECK_MSG( start >= 0 && end <= l, false,
1806                      _T("invalid range in wxTextCtrl::SetStyle") );
1807
1808         GtkTextIter starti, endi;
1809         gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1810         gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1811
1812         wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );
1813
1814         return true;
1815     }
1816     //else: single line text controls don't support styles
1817
1818     return false;
1819 }
1820
1821 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1822 {
1823     gtk_widget_modify_style(m_text, style);
1824 }
1825
1826 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1827 {
1828     Cut();
1829 }
1830
1831 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1832 {
1833     Copy();
1834 }
1835
1836 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1837 {
1838     Paste();
1839 }
1840
1841 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1842 {
1843     Undo();
1844 }
1845
1846 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1847 {
1848     Redo();
1849 }
1850
1851 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1852 {
1853     event.Enable( CanCut() );
1854 }
1855
1856 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1857 {
1858     event.Enable( CanCopy() );
1859 }
1860
1861 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1862 {
1863     event.Enable( CanPaste() );
1864 }
1865
1866 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1867 {
1868     event.Enable( CanUndo() );
1869 }
1870
1871 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1872 {
1873     event.Enable( CanRedo() );
1874 }
1875
1876 wxSize wxTextCtrl::DoGetBestSize() const
1877 {
1878     // FIXME should be different for multi-line controls...
1879     wxSize ret( wxControl::DoGetBestSize() );
1880     wxSize best(80, ret.y);
1881     CacheBestSize(best);
1882     return best;
1883 }
1884
1885 // ----------------------------------------------------------------------------
1886 // freeze/thaw
1887 // ----------------------------------------------------------------------------
1888
1889 void wxTextCtrl::Freeze()
1890 {
1891     wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
1892
1893     if ( HasFlag(wxTE_MULTILINE) )
1894     {
1895         if (m_freezeCount++ == 0)
1896         {
1897             // freeze textview updates and remove buffer
1898             g_signal_connect (m_text, "expose_event",
1899                               G_CALLBACK (gtk_text_exposed_callback), this);
1900             g_signal_connect (m_widget, "expose_event",
1901                               G_CALLBACK (gtk_text_exposed_callback), this);
1902             gtk_widget_set_sensitive(m_widget, false);
1903             g_object_ref(m_buffer);
1904             GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
1905             GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;
1906             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
1907             // gtk_text_view_set_buffer adds its own reference
1908             g_object_unref(buf_new);
1909             // This mark should be deleted when the buffer is changed,
1910             // but it's not (in GTK+ up to at least 2.10.6).
1911             // Otherwise these anonymous marks start to build up in the buffer,
1912             // and Freeze takes longer and longer each time it is called.
1913             if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
1914                 gtk_text_buffer_delete_mark(m_buffer, mark);
1915         }
1916     }
1917 }
1918
1919 void wxTextCtrl::Thaw()
1920 {
1921     if ( HasFlag(wxTE_MULTILINE) )
1922     {
1923         wxCHECK_RET(m_freezeCount != 0, _T("Thaw() without matching Freeze()"));
1924
1925         if (--m_freezeCount == 0)
1926         {
1927             // Reattach buffer and thaw textview updates
1928             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1929             g_object_unref(m_buffer);
1930             gtk_widget_set_sensitive(m_widget, true);
1931             g_signal_handlers_disconnect_by_func (m_widget,
1932                     (gpointer) gtk_text_exposed_callback, this);
1933             g_signal_handlers_disconnect_by_func (m_text,
1934                     (gpointer) gtk_text_exposed_callback, this);
1935             if (m_showPositionOnThaw != NULL)
1936             {
1937                 gtk_text_view_scroll_mark_onscreen(
1938                     GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
1939                 m_showPositionOnThaw = NULL;
1940             }
1941         }
1942     }
1943 }
1944
1945 // ----------------------------------------------------------------------------
1946 // wxTextUrlEvent passing if style & wxTE_AUTO_URL
1947 // ----------------------------------------------------------------------------
1948
1949 // FIXME: when dragging on a link the sample gets an "Unknown event".
1950 // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
1951 // a buggy sample, or something else
1952 void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
1953 {
1954     event.Skip();
1955     if( !HasFlag(wxTE_AUTO_URL) )
1956         return;
1957
1958     gint x, y;
1959     GtkTextIter start, end;
1960     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
1961                                                 "wxUrl");
1962
1963     gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
1964                                           event.GetX(), event.GetY(), &x, &y);
1965
1966     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
1967     if (!gtk_text_iter_has_tag(&end, tag))
1968     {
1969         gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1970                               GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
1971         return;
1972     }
1973
1974     gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1975                           GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
1976
1977     start = end;
1978     if(!gtk_text_iter_begins_tag(&start, tag))
1979         gtk_text_iter_backward_to_tag_toggle(&start, tag);
1980     if(!gtk_text_iter_ends_tag(&end, tag))
1981         gtk_text_iter_forward_to_tag_toggle(&end, tag);
1982
1983     // Native context menu is probably not desired on an URL.
1984     // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
1985     if(event.GetEventType() == wxEVT_RIGHT_DOWN)
1986         event.Skip(false);
1987
1988     wxTextUrlEvent url_event(m_windowId, event,
1989                              gtk_text_iter_get_offset(&start),
1990                              gtk_text_iter_get_offset(&end));
1991
1992     InitCommandEvent(url_event);
1993     // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
1994     //event.Skip(!GetEventHandler()->ProcessEvent(url_event));
1995     GetEventHandler()->ProcessEvent(url_event);
1996 }
1997
1998 bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
1999 {
2000     bool rc = wxTextCtrlBase::GTKProcessEvent(event);
2001
2002     // GtkTextView starts a drag operation when left mouse button is pressed
2003     // and ends it when it is released and if it doesn't get the release event
2004     // the next click on a control results in an assertion failure inside
2005     // gtk_text_view_start_selection_drag() which simply *kills* the program
2006     // without anything we can do about it, so always let GTK+ have this event
2007     return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
2008 }
2009
2010 // static
2011 wxVisualAttributes
2012 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
2013 {
2014     return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
2015 }