src/gtk/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/textctrl.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling, Vadim Zeitlin, 2005 Mart Raudsepp
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/textctrl.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/intl.h"
  17     #include "wx/log.h"
  18     #include "wx/utils.h"
  19     #include "wx/settings.h"
  20     #include "wx/math.h"
  21 #endif
  22
  23 #include "wx/strconv.h"
  24 #include "wx/fontutil.h"        // for wxNativeFontInfo (GetNativeFontInfo())
  25
  26 #include <sys/types.h>
  27 #include <sys/stat.h>
  28 #include <ctype.h>
  29
  30 #include "wx/gtk/private.h"
  31
  32 // ----------------------------------------------------------------------------
  33 // helpers
  34 // ----------------------------------------------------------------------------
  35
  36 extern "C" {
  37 static void wxGtkOnRemoveTag(GtkTextBuffer *buffer,
  38                              GtkTextTag *tag,
  39                              GtkTextIter *start,
  40                              GtkTextIter *end,
  41                              char *prefix)
  42 {
  43     gchar *name;
  44     g_object_get (tag, "name", &name, NULL);
  45
  46     if (!name || strncmp(name, prefix, strlen(prefix)))
  47         // anonymous tag or not starting with prefix - don't remove
  48         g_signal_stop_emission_by_name (buffer, "remove_tag");
  49
  50     g_free(name);
  51 }
  52 }
  53
  54 static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
  55                                        GtkTextBuffer *text_buffer,
  56                                        const wxTextAttr& attr,
  57                                        GtkTextIter *start,
  58                                        GtkTextIter *end)
  59 {
  60     static gchar buf[1024];
  61     GtkTextTag *tag;
  62
  63     gulong remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
  64             G_CALLBACK (wxGtkOnRemoveTag), gpointer("WX"));
  65     gtk_text_buffer_remove_all_tags(text_buffer, start, end);
  66     g_signal_handler_disconnect (text_buffer, remove_handler_id);
  67
  68     if (attr.HasFont())
  69     {
  70         PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description;
  71         wxGtkString font_string(pango_font_description_to_string(font_description));
  72         g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());
  73         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
  74                                          buf );
  75         if (!tag)
  76             tag = gtk_text_buffer_create_tag( text_buffer, buf,
  77                                               "font-desc", font_description,
  78                                               NULL );
  79         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
  80
  81         if (attr.GetFont().GetUnderlined())
  82         {
  83             g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE");
  84             tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
  85                                              buf );
  86             if (!tag)
  87                 tag = gtk_text_buffer_create_tag( text_buffer, buf,
  88                                                   "underline-set", TRUE,
  89                                                   "underline", PANGO_UNDERLINE_SINGLE,
  90                                                   NULL );
  91             gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
  92         }
  93     }
  94
  95     if (attr.HasTextColour())
  96     {
  97         const GdkColor *colFg = attr.GetTextColour().GetColor();
  98         g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
  99                    colFg->red, colFg->green, colFg->blue);
 100         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 101                                          buf );
 102         if (!tag)
 103             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 104                                               "foreground-gdk", colFg, NULL );
 105         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 106     }
 107
 108     if (attr.HasBackgroundColour())
 109     {
 110         const GdkColor *colBg = attr.GetBackgroundColour().GetColor();
 111         g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
 112                    colBg->red, colBg->green, colBg->blue);
 113         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 114                                          buf );
 115         if (!tag)
 116             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 117                                               "background-gdk", colBg, NULL );
 118         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 119     }
 120
 121     if (attr.HasAlignment())
 122     {
 123         GtkTextIter para_start, para_end = *end;
 124         gtk_text_buffer_get_iter_at_line( text_buffer,
 125                                           &para_start,
 126                                           gtk_text_iter_get_line(start) );
 127         gtk_text_iter_forward_line(&para_end);
 128
 129         remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
 130                                               G_CALLBACK(wxGtkOnRemoveTag),
 131                                               gpointer("WXALIGNMENT"));
 132         gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
 133         g_signal_handler_disconnect (text_buffer, remove_handler_id);
 134
 135         GtkJustification align;
 136         switch (attr.GetAlignment())
 137         {
 138             default:
 139                 align = GTK_JUSTIFY_LEFT;
 140                 break;
 141             case wxTEXT_ALIGNMENT_RIGHT:
 142                 align = GTK_JUSTIFY_RIGHT;
 143                 break;
 144             case wxTEXT_ALIGNMENT_CENTER:
 145                 align = GTK_JUSTIFY_CENTER;
 146                 break;
 147             // gtk+ doesn't support justify as of gtk+-2.7.4
 148         }
 149
 150         g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align);
 151         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 152                                          buf );
 153         if (!tag)
 154             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 155                                               "justification", align, NULL );
 156         gtk_text_buffer_apply_tag( text_buffer, tag, &para_start, &para_end );
 157     }
 158
 159     if (attr.HasLeftIndent())
 160     {
 161         // Indentation attribute
 162
 163         // Clear old indentation tags
 164         GtkTextIter para_start, para_end = *end;
 165         gtk_text_buffer_get_iter_at_line( text_buffer,
 166                                           &para_start,
 167                                           gtk_text_iter_get_line(start) );
 168         gtk_text_iter_forward_line(&para_end);
 169
 170         remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
 171                                               G_CALLBACK(wxGtkOnRemoveTag),
 172                                               gpointer("WXINDENT"));
 173         gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
 174         g_signal_handler_disconnect (text_buffer, remove_handler_id);
 175
 176         // Convert indent from 1/10th of a mm into pixels
 177         float factor;
 178 #if GTK_CHECK_VERSION(2,2,0)
 179         if (!gtk_check_version(2,2,0))
 180             factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
 181                       gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
 182         else
 183 #endif
 184             factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
 185
 186         const int indent = (int)(factor * attr.GetLeftIndent());
 187         const int subIndent = (int)(factor * attr.GetLeftSubIndent());
 188
 189         gint gindent;
 190         gint gsubindent;
 191
 192         if (subIndent >= 0)
 193         {
 194             gindent = indent;
 195             gsubindent = -subIndent;
 196         }
 197         else
 198         {
 199             gindent = -subIndent;
 200             gsubindent = indent;
 201         }
 202
 203         g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent);
 204         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 205                                         buf );
 206         if (!tag)
 207             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 208                                               "left-margin", gindent, "indent", gsubindent, NULL );
 209         gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
 210     }
 211
 212     if (attr.HasTabs())
 213     {
 214         // Set tab stops
 215
 216         // Clear old tabs
 217         GtkTextIter para_start, para_end = *end;
 218         gtk_text_buffer_get_iter_at_line( text_buffer,
 219                                           &para_start,
 220                                           gtk_text_iter_get_line(start) );
 221         gtk_text_iter_forward_line(&para_end);
 222
 223         remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
 224                                               G_CALLBACK(wxGtkOnRemoveTag),
 225                                               gpointer("WXTABS"));
 226         gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
 227         g_signal_handler_disconnect (text_buffer, remove_handler_id);
 228
 229         const wxArrayInt& tabs = attr.GetTabs();
 230
 231         wxString tagname = _T("WXTABS");
 232         g_snprintf(buf, sizeof(buf), "WXTABS");
 233         for (size_t i = 0; i < tabs.GetCount(); i++)
 234             tagname += wxString::Format(_T(" %d"), tabs[i]);
 235
 236         const wxWX2MBbuf buf = tagname.mb_str(wxConvUTF8);
 237
 238         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 239                                         buf );
 240         if (!tag)
 241         {
 242             // Factor to convert from 1/10th of a mm into pixels
 243             float factor;
 244 #if GTK_CHECK_VERSION(2,2,0)
 245             if (!gtk_check_version(2,2,0))
 246                 factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
 247                           gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
 248             else
 249 #endif
 250                 factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
 251
 252             PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE);
 253             for (size_t i = 0; i < tabs.GetCount(); i++)
 254                 pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor));
 255             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 256                                               "tabs", tabArray, NULL );
 257             pango_tab_array_free(tabArray);
 258         }
 259         gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
 260     }
 261 }
 262
 263 static void wxGtkTextInsert(GtkWidget *text,
 264                             GtkTextBuffer *text_buffer,
 265                             const wxTextAttr& attr,
 266                             const wxCharBuffer& buffer)
 267
 268 {
 269     gint start_offset;
 270     GtkTextIter iter, start;
 271
 272     gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
 273                                      gtk_text_buffer_get_insert (text_buffer) );
 274     start_offset = gtk_text_iter_get_offset (&iter);
 275     gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) );
 276
 277     gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
 278
 279     wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
 280 }
 281
 282 // ----------------------------------------------------------------------------
 283 // "insert_text" for GtkEntry
 284 // ----------------------------------------------------------------------------
 285
 286 extern "C" {
 287 static void
 288 gtk_insert_text_callback(GtkEditable *editable,
 289                          const gchar *new_text,
 290                          gint new_text_length,
 291                          gint *position,
 292                          wxTextCtrl *win)
 293 {
 294     if (g_isIdle)
 295         wxapp_install_idle_handler();
 296
 297     // we should only be called if we have a max len limit at all
 298     GtkEntry *entry = GTK_ENTRY (editable);
 299
 300     wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") );
 301
 302     // check that we don't overflow the max length limit
 303     //
 304     // FIXME: this doesn't work when we paste a string which is going to be
 305     //        truncated
 306     if ( entry->text_length == entry->text_max_length )
 307     {
 308         // we don't need to run the base class version at all
 309         g_signal_stop_emission_by_name (editable, "insert_text");
 310
 311         // remember that the next changed signal is to be ignored to avoid
 312         // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
 313         win->IgnoreNextTextUpdate();
 314
 315         // and generate the correct one ourselves
 316         wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
 317         event.SetEventObject(win);
 318         event.SetString(win->GetValue());
 319         win->GetEventHandler()->ProcessEvent( event );
 320     }
 321 }
 322 }
 323
 324 // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
 325
 326 extern "C" {
 327 static void
 328 au_apply_tag_callback(GtkTextBuffer *buffer,
 329                       GtkTextTag *tag,
 330                       GtkTextIter *start,
 331                       GtkTextIter *end,
 332                       gpointer textctrl)
 333 {
 334     if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
 335         g_signal_stop_emission_by_name (buffer, "apply_tag");
 336 }
 337 }
 338
 339 //-----------------------------------------------------------------------------
 340 //  GtkTextCharPredicates for gtk_text_iter_*_find_char
 341 //-----------------------------------------------------------------------------
 342
 343 extern "C" {
 344 static gboolean
 345 pred_whitespace (gunichar ch, gpointer user_data)
 346 {
 347     return g_unichar_isspace(ch);
 348 }
 349 }
 350
 351 extern "C" {
 352 static gboolean
 353 pred_non_whitespace (gunichar ch, gpointer user_data)
 354 {
 355     return !g_unichar_isspace(ch);
 356 }
 357 }
 358
 359 extern "C" {
 360 static gboolean
 361 pred_nonpunct (gunichar ch, gpointer user_data)
 362 {
 363     return !g_unichar_ispunct(ch);
 364 }
 365 }
 366
 367 extern "C" {
 368 static gboolean
 369 pred_nonpunct_or_slash (gunichar ch, gpointer user_data)
 370 {
 371     return !g_unichar_ispunct(ch) || ch == '/';
 372 }
 373 }
 374
 375 //-----------------------------------------------------------------------------
 376 //  Check for links between s and e and correct tags as necessary
 377 //-----------------------------------------------------------------------------
 378
 379 // This function should be made match better while being efficient at one point.
 380 // Most probably with a row of regular expressions.
 381 extern "C" {
 382 static void
 383 au_check_word( GtkTextIter *s, GtkTextIter *e )
 384 {
 385     static const char *URIPrefixes[] =
 386     {
 387         "http://",
 388         "ftp://",
 389         "www.",
 390         "ftp.",
 391         "mailto://",
 392         "https://",
 393         "file://",
 394         "nntp://",
 395         "news://",
 396         "telnet://",
 397         "mms://",
 398         "gopher://",
 399         "prospero://",
 400         "wais://",
 401     };
 402
 403     GtkTextIter start = *s, end = *e;
 404     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 405
 406     // Get our special link tag
 407     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 408
 409     // Get rid of punctuation from beginning and end.
 410     // Might want to move this to au_check_range if an improved link checking doesn't
 411     // use some intelligent punctuation checking itself (beware of undesired iter modifications).
 412     if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
 413         gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
 414
 415     gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
 416     gtk_text_iter_forward_char(&end);
 417
 418     gchar* text = gtk_text_iter_get_text( &start, &end );
 419     size_t len = strlen(text), prefix_len;
 420     size_t n;
 421
 422     for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
 423     {
 424         prefix_len = strlen(URIPrefixes[n]);
 425         if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
 426             break;
 427     }
 428
 429     if(n < WXSIZEOF(URIPrefixes))
 430     {
 431         gulong signal_id = g_signal_handler_find (buffer,
 432                                                   (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
 433                                                   0, 0, NULL,
 434                                                   (gpointer)au_apply_tag_callback, NULL);
 435
 436         g_signal_handler_block (buffer, signal_id);
 437         gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
 438         g_signal_handler_unblock (buffer, signal_id);
 439     }
 440 }
 441 }
 442
 443 extern "C" {
 444 static void
 445 au_check_range(GtkTextIter *s,
 446                GtkTextIter *range_end)
 447 {
 448     GtkTextIter range_start = *s;
 449     GtkTextIter word_end;
 450     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 451     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 452
 453     gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
 454
 455     if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
 456         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 457
 458     while(!gtk_text_iter_equal(&range_start, range_end))
 459     {
 460         word_end = range_start;
 461         gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
 462
 463         // Now we should have a word delimited by range_start and word_end, correct link tags
 464         au_check_word(&range_start, &word_end);
 465
 466         range_start = word_end;
 467         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 468     }
 469 }
 470 }
 471
 472 //-----------------------------------------------------------------------------
 473 //  "insert-text" for GtkTextBuffer
 474 //-----------------------------------------------------------------------------
 475
 476 extern "C" {
 477 static void
 478 au_insert_text_callback(GtkTextBuffer *buffer,
 479                         GtkTextIter *end,
 480                         gchar *text,
 481                         gint len,
 482                         wxTextCtrl *win)
 483 {
 484     if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 485         return;
 486
 487     GtkTextIter start = *end;
 488     gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
 489
 490     GtkTextIter line_start = start;
 491     GtkTextIter line_end = *end;
 492     GtkTextIter words_start = start;
 493     GtkTextIter words_end = *end;
 494
 495     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
 496     gtk_text_iter_forward_to_line_end(&line_end);
 497     gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
 498     gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
 499
 500     au_check_range(&words_start, &words_end);
 501 }
 502 }
 503
 504 //-----------------------------------------------------------------------------
 505 //  "delete-range" for GtkTextBuffer
 506 //-----------------------------------------------------------------------------
 507
 508 extern "C" {
 509 static void
 510 au_delete_range_callback(GtkTextBuffer *buffer,
 511                          GtkTextIter *start,
 512                          GtkTextIter *end,
 513                          wxTextCtrl *win)
 514 {
 515     if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 516         return;
 517
 518     GtkTextIter line_start = *start, line_end = *end;
 519
 520     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
 521     gtk_text_iter_forward_to_line_end(&line_end);
 522     gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
 523     gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
 524
 525     au_check_range(start, end);
 526 }
 527 }
 528
 529
 530 //-----------------------------------------------------------------------------
 531 //  "changed"
 532 //-----------------------------------------------------------------------------
 533
 534 extern "C" {
 535 static void
 536 gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
 537 {
 538     if ( win->IgnoreTextUpdate() )
 539         return;
 540
 541     if (!win->m_hasVMT) return;
 542
 543     if (g_isIdle)
 544         wxapp_install_idle_handler();
 545
 546     if ( win->MarkDirtyOnChange() )
 547         win->MarkDirty();
 548
 549     win->SendTextUpdatedEvent();
 550 }
 551 }
 552
 553 //-----------------------------------------------------------------------------
 554 //  clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard"
 555 //-----------------------------------------------------------------------------
 556
 557 // common part of the event handlers below
 558 static void
 559 handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win,
 560                                 wxEventType eventType, const gchar * signal_name)
 561 {
 562     wxClipboardTextEvent event( eventType, win->GetId() );
 563     event.SetEventObject( win );
 564     if ( win->GetEventHandler()->ProcessEvent( event ) )
 565     {
 566         // don't let the default processing to take place if we did something
 567         // ourselves in the event handler
 568         g_signal_stop_emission_by_name (widget, signal_name);
 569     }
 570 }
 571
 572 extern "C" {
 573 static void
 574 gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 575 {
 576     handle_text_clipboard_callback(
 577         widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" );
 578 }
 579
 580 static void
 581 gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 582 {
 583     handle_text_clipboard_callback(
 584         widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" );
 585 }
 586
 587 static void
 588 gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 589 {
 590     handle_text_clipboard_callback(
 591         widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" );
 592 }
 593 }
 594
 595 //-----------------------------------------------------------------------------
 596 // "expose_event" from scrolled window and textview
 597 //-----------------------------------------------------------------------------
 598
 599 extern "C" {
 600 static gboolean
 601 gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win )
 602 {
 603     return TRUE;
 604 }
 605 }
 606
 607
 608 //-----------------------------------------------------------------------------
 609 //  wxTextCtrl
 610 //-----------------------------------------------------------------------------
 611
 612 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 613
 614 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 615     EVT_CHAR(wxTextCtrl::OnChar)
 616
 617     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 618     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 619     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 620     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 621     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 622
 623     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 624     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 625     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 626     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 627     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 628
 629     // wxTE_AUTO_URL wxTextUrl support. Currently only creates
 630     // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
 631     EVT_MOTION      (wxTextCtrl::OnUrlMouseEvent)
 632     EVT_LEFT_DOWN   (wxTextCtrl::OnUrlMouseEvent)
 633     EVT_LEFT_UP     (wxTextCtrl::OnUrlMouseEvent)
 634     EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
 635     EVT_RIGHT_DOWN  (wxTextCtrl::OnUrlMouseEvent)
 636     EVT_RIGHT_UP    (wxTextCtrl::OnUrlMouseEvent)
 637     EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
 638 END_EVENT_TABLE()
 639
 640 void wxTextCtrl::Init()
 641 {
 642     m_dontMarkDirty =
 643     m_modified = false;
 644
 645     m_countUpdatesToIgnore = 0;
 646
 647     SetUpdateFont(false);
 648
 649     m_text = NULL;
 650     m_freezeCount = 0;
 651     m_showPositionOnThaw = NULL;
 652     m_gdkHandCursor = NULL;
 653     m_gdkXTermCursor = NULL;
 654 }
 655
 656 wxTextCtrl::~wxTextCtrl()
 657 {
 658     if(m_gdkHandCursor)
 659         gdk_cursor_unref(m_gdkHandCursor);
 660     if(m_gdkXTermCursor)
 661         gdk_cursor_unref(m_gdkXTermCursor);
 662 }
 663
 664 wxTextCtrl::wxTextCtrl( wxWindow *parent,
 665                         wxWindowID id,
 666                         const wxString &value,
 667                         const wxPoint &pos,
 668                         const wxSize &size,
 669                         long style,
 670                         const wxValidator& validator,
 671                         const wxString &name )
 672 {
 673     Init();
 674
 675     Create( parent, id, value, pos, size, style, validator, name );
 676 }
 677
 678 bool wxTextCtrl::Create( wxWindow *parent,
 679                          wxWindowID id,
 680                          const wxString &value,
 681                          const wxPoint &pos,
 682                          const wxSize &size,
 683                          long style,
 684                          const wxValidator& validator,
 685                          const wxString &name )
 686 {
 687     m_needParent = true;
 688     m_acceptsFocus = 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     wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
 826     SetDefaultStyle( attrDef );
 827
 828     return true;
 829 }
 830
 831 // ----------------------------------------------------------------------------
 832 // flags handling
 833 // ----------------------------------------------------------------------------
 834
 835 void wxTextCtrl::GTKSetEditable()
 836 {
 837     gboolean editable = !HasFlag(wxTE_READONLY);
 838     if ( IsSingleLine() )
 839         gtk_editable_set_editable(GTK_EDITABLE(m_text), editable);
 840     else
 841         gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable);
 842 }
 843
 844 void wxTextCtrl::GTKSetVisibility()
 845 {
 846     // VZ: shouldn't we assert if wxTE_PASSWORD is set for multiline control?
 847     if ( IsSingleLine() )
 848         gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD));
 849 }
 850
 851 void wxTextCtrl::GTKSetWrapMode()
 852 {
 853     // no wrapping in single line controls
 854     if ( !IsMultiLine() )
 855         return;
 856
 857     // translate wx wrapping style to GTK+
 858     GtkWrapMode wrap;
 859     if ( HasFlag( wxTE_DONTWRAP ) )
 860         wrap = GTK_WRAP_NONE;
 861     else if ( HasFlag( wxTE_CHARWRAP ) )
 862         wrap = GTK_WRAP_CHAR;
 863     else if ( HasFlag( wxTE_WORDWRAP ) )
 864         wrap = GTK_WRAP_WORD;
 865     else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
 866     {
 867         // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4
 868 #ifdef __WXGTK24__
 869         if ( !gtk_check_version(2,4,0) )
 870         {
 871             wrap = GTK_WRAP_WORD_CHAR;
 872         }
 873         else
 874 #endif // __WXGTK24__
 875         wrap = GTK_WRAP_WORD;
 876     }
 877
 878     gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
 879 }
 880
 881 void wxTextCtrl::GTKSetJustification()
 882 {
 883     if ( IsMultiLine() )
 884     {
 885         GtkJustification just;
 886         if ( HasFlag(wxTE_RIGHT) )
 887             just = GTK_JUSTIFY_RIGHT;
 888         else if ( HasFlag(wxTE_CENTRE) )
 889             just = GTK_JUSTIFY_CENTER;
 890         else // wxTE_LEFT == 0
 891             just = GTK_JUSTIFY_LEFT;
 892
 893         gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just);
 894     }
 895     else // single line
 896     {
 897 #ifdef __WXGTK24__
 898         // gtk_entry_set_alignment was introduced in gtk+-2.3.5
 899         if (!gtk_check_version(2,4,0))
 900         {
 901             gfloat align;
 902             if ( HasFlag(wxTE_RIGHT) )
 903                 align = 1.0;
 904             else if ( HasFlag(wxTE_CENTRE) )
 905                 align = 0.5;
 906             else // single line
 907                 align = 0.0;
 908
 909             gtk_entry_set_alignment(GTK_ENTRY(m_text), align);
 910         }
 911 #endif // __WXGTK24__
 912     }
 913
 914 }
 915
 916 void wxTextCtrl::SetWindowStyleFlag(long style)
 917 {
 918     long styleOld = GetWindowStyleFlag();
 919
 920     wxTextCtrlBase::SetWindowStyleFlag(style);
 921
 922     if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) )
 923         GTKSetEditable();
 924
 925     if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) )
 926         GTKSetVisibility();
 927
 928     static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP;
 929     if ( (style & flagsWrap) != (styleOld & flagsWrap) )
 930         GTKSetWrapMode();
 931
 932     static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
 933     if ( (style & flagsAlign) != (styleOld & flagsAlign) )
 934         GTKSetJustification();
 935 }
 936
 937 // ----------------------------------------------------------------------------
 938 // control value
 939 // ----------------------------------------------------------------------------
 940
 941 wxString wxTextCtrl::GetValue() const
 942 {
 943     wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
 944
 945     wxString tmp;
 946     if ( IsMultiLine() )
 947     {
 948         GtkTextIter start;
 949         gtk_text_buffer_get_start_iter( m_buffer, &start );
 950         GtkTextIter end;
 951         gtk_text_buffer_get_end_iter( m_buffer, &end );
 952         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
 953
 954         const wxWxCharBuffer buf = wxGTK_CONV_BACK(text);
 955         if ( buf )
 956             tmp = buf;
 957     }
 958     else
 959     {
 960         const gchar *text = gtk_entry_get_text( GTK_ENTRY(m_text) );
 961         const wxWxCharBuffer buf = wxGTK_CONV_BACK( text );
 962         if ( buf )
 963             tmp = buf;
 964     }
 965
 966     return tmp;
 967 }
 968
 969 wxFontEncoding wxTextCtrl::GetTextEncoding() const
 970 {
 971     // GTK+ uses UTF-8 internally, we need to convert to it but from which
 972     // encoding?
 973
 974     // first check the default text style (we intentionally don't check the
 975     // style for the current position as it doesn't make sense for SetValue())
 976     const wxTextAttr& style = GetDefaultStyle();
 977     wxFontEncoding enc = style.HasFont() ? style.GetFont().GetEncoding()
 978                                          : wxFONTENCODING_SYSTEM;
 979
 980     // fall back to the controls font if no style
 981     if ( enc == wxFONTENCODING_SYSTEM && m_hasFont )
 982         enc = GetFont().GetEncoding();
 983
 984     return enc;
 985 }
 986
 987 bool wxTextCtrl::IsEmpty() const
 988 {
 989     if ( IsMultiLine() )
 990         return gtk_text_buffer_get_char_count(m_buffer) == 0;
 991
 992     return wxTextCtrlBase::IsEmpty();
 993 }
 994
 995 void wxTextCtrl::DoSetValue( const wxString &value, int flags )
 996 {
 997     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 998
 999     // the control won't be modified any more as we programmatically replace
1000     // all the existing text, so reset the flag and don't set it again (and do
1001     // it now, before the text event handler is ran so that IsModified() called
1002     // from there returns the expected value)
1003     m_modified = false;
1004     DontMarkDirtyOnNextChange();
1005
1006     wxFontEncoding enc = m_defaultStyle.HasFont()
1007                             ? m_defaultStyle.GetFont().GetEncoding()
1008                             : wxFONTENCODING_SYSTEM;
1009     if ( enc == wxFONTENCODING_SYSTEM )
1010         enc = GetTextEncoding();
1011
1012     const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc));
1013     if ( !buffer )
1014     {
1015         // see comment in WriteText() as to why we must warn the user about
1016         // this
1017         wxLogWarning(_("Failed to set text in the text control."));
1018         return;
1019     }
1020
1021     // if the control is not empty, two "changed" signals are emitted,
1022     // otherwise only one and we need to ignore either both or one of them
1023     int ignore = flags & SetValue_SendEvent ? 0 : 1;
1024     if ( !IsEmpty() )
1025         ignore++;
1026
1027     if ( ignore )
1028         IgnoreNextTextUpdate(ignore);
1029
1030     if ( IsMultiLine() )
1031     {
1032         gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
1033
1034         if ( !m_defaultStyle.IsDefault() )
1035         {
1036             GtkTextIter start, end;
1037             gtk_text_buffer_get_bounds( m_buffer, &start, &end );
1038             wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle,
1039                                        &start, &end);
1040         }
1041     }
1042     else // single line
1043     {
1044         gtk_entry_set_text( GTK_ENTRY(m_text), buffer );
1045     }
1046
1047     // if, for whatever reason, the callback wasn't called the expected number
1048     // of times, still reset the flags to the default values
1049     m_dontMarkDirty = false;
1050     m_countUpdatesToIgnore = 0;
1051
1052
1053     // GRG, Jun/2000: Changed this after a lot of discussion in
1054     //   the lists. wxWidgets 2.2 will have a set of flags to
1055     //   customize this behaviour.
1056     SetInsertionPoint(0);
1057 }
1058
1059 void wxTextCtrl::WriteText( const wxString &text )
1060 {
1061     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1062
1063     if ( text.empty() )
1064         return;
1065
1066     // check if we have a specific style for the current position
1067     wxFontEncoding enc = wxFONTENCODING_SYSTEM;
1068     wxTextAttr style;
1069     if ( GetStyle(GetInsertionPoint(), style) && style.HasFont() )
1070     {
1071         enc = style.GetFont().GetEncoding();
1072     }
1073
1074     if ( enc == wxFONTENCODING_SYSTEM )
1075         enc = GetTextEncoding();
1076
1077     const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc));
1078     if ( !buffer )
1079     {
1080         // we must log an error here as losing the text like this can be a
1081         // serious problem (e.g. imagine the document edited by user being
1082         // empty instead of containing the correct text)
1083         wxLogWarning(_("Failed to insert text in the control."));
1084         return;
1085     }
1086
1087     // we're changing the text programmatically
1088     DontMarkDirtyOnNextChange();
1089
1090     if ( IsMultiLine() )
1091     {
1092         // First remove the selection if there is one
1093         // TODO:  Is there an easier GTK specific way to do this?
1094         long from, to;
1095         GetSelection(&from, &to);
1096         if (from != to)
1097             Remove(from, to);
1098
1099         // Insert the text
1100         wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
1101
1102         GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
1103         // Scroll to cursor, but only if scrollbar thumb is at the very bottom
1104         // won't work when frozen, text view is not using m_buffer then
1105         if (!IsFrozen() && wxIsSameDouble(adj->value, adj->upper - adj->page_size))
1106         {
1107             gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
1108                     gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
1109         }
1110     }
1111     else // single line
1112     {
1113         // First remove the selection if there is one
1114         gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
1115
1116         // This moves the cursor pos to behind the inserted text.
1117         gint len = gtk_editable_get_position(GTK_EDITABLE(m_text));
1118
1119         gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
1120
1121         // Bring entry's cursor uptodate.
1122         gtk_editable_set_position( GTK_EDITABLE(m_text), len );
1123     }
1124 }
1125
1126 void wxTextCtrl::AppendText( const wxString &text )
1127 {
1128     SetInsertionPointEnd();
1129     WriteText( text );
1130 }
1131
1132 wxString wxTextCtrl::GetLineText( long lineNo ) const
1133 {
1134     wxString result;
1135     if ( IsMultiLine() )
1136     {
1137         GtkTextIter line;
1138         gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1139         GtkTextIter end = line;
1140         gtk_text_iter_forward_to_line_end(&end);
1141         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
1142         result = wxGTK_CONV_BACK(text);
1143     }
1144     else
1145     {
1146         if (lineNo == 0)
1147             result = GetValue();
1148     }
1149     return result;
1150 }
1151
1152 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1153 {
1154   /* If you implement this, don't forget to update the documentation!
1155    * (file docs/latex/wx/text.tex) */
1156     wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1157 }
1158
1159 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1160 {
1161     if ( IsMultiLine() )
1162     {
1163         GtkTextIter iter;
1164
1165         if (pos > GetLastPosition())
1166             return false;
1167
1168         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1169
1170         if ( y )
1171             *y = gtk_text_iter_get_line(&iter);
1172         if ( x )
1173             *x = gtk_text_iter_get_line_offset(&iter);
1174     }
1175     else // single line control
1176     {
1177         if ( pos <= GTK_ENTRY(m_text)->text_length )
1178         {
1179             if ( y )
1180                 *y = 0;
1181             if ( x )
1182                 *x = pos;
1183         }
1184         else
1185         {
1186             // index out of bounds
1187             return false;
1188         }
1189     }
1190
1191     return true;
1192 }
1193
1194 long wxTextCtrl::XYToPosition(long x, long y ) const
1195 {
1196     if ( IsSingleLine() )
1197         return 0;
1198
1199     GtkTextIter iter;
1200     if (y >= gtk_text_buffer_get_line_count (m_buffer))
1201         return -1;
1202
1203     gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y);
1204     if (x >= gtk_text_iter_get_chars_in_line (&iter))
1205         return -1;
1206
1207     return gtk_text_iter_get_offset(&iter) + x;
1208 }
1209
1210 int wxTextCtrl::GetLineLength(long lineNo) const
1211 {
1212     if ( IsMultiLine() )
1213     {
1214         int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1215         if (lineNo > last_line)
1216             return -1;
1217
1218         GtkTextIter iter;
1219         gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1220         // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1221         return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1222     }
1223     else
1224     {
1225         wxString str = GetLineText (lineNo);
1226         return (int) str.length();
1227     }
1228 }
1229
1230 int wxTextCtrl::GetNumberOfLines() const
1231 {
1232     if ( IsMultiLine() )
1233     {
1234         return gtk_text_buffer_get_line_count( m_buffer );
1235     }
1236     else // single line
1237     {
1238         return 1;
1239     }
1240 }
1241
1242 void wxTextCtrl::SetInsertionPoint( long pos )
1243 {
1244     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1245
1246     if ( IsMultiLine() )
1247     {
1248         GtkTextIter iter;
1249         gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1250         gtk_text_buffer_place_cursor( m_buffer, &iter );
1251         GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
1252         if (IsFrozen())
1253             // defer until Thaw, text view is not using m_buffer now
1254             m_showPositionOnThaw = mark;
1255         else
1256             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1257     }
1258     else
1259     {
1260         // FIXME: Is the editable's cursor really uptodate without double set_position in GTK2?
1261         gtk_editable_set_position(GTK_EDITABLE(m_text), int(pos));
1262     }
1263 }
1264
1265 void wxTextCtrl::SetInsertionPointEnd()
1266 {
1267     SetInsertionPoint(-1);
1268 }
1269
1270 void wxTextCtrl::SetEditable( bool editable )
1271 {
1272     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1273
1274     if ( IsMultiLine() )
1275     {
1276         gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1277     }
1278     else
1279     {
1280         gtk_editable_set_editable( GTK_EDITABLE(m_text), editable );
1281     }
1282 }
1283
1284 bool wxTextCtrl::Enable( bool enable )
1285 {
1286     if (!wxWindowBase::Enable(enable))
1287     {
1288         // nothing to do
1289         return false;
1290     }
1291
1292     if ( IsMultiLine() )
1293     {
1294         SetEditable( enable );
1295     }
1296     else
1297     {
1298         gtk_widget_set_sensitive( m_text, enable );
1299     }
1300
1301     return true;
1302 }
1303
1304 // wxGTK-specific: called recursively by Enable,
1305 // to give widgets an opportunity to correct their colours after they
1306 // have been changed by Enable
1307 void wxTextCtrl::OnEnabled( bool enable )
1308 {
1309     // If we have a custom background colour, we use this colour in both
1310     // disabled and enabled mode, or we end up with a different colour under the
1311     // text.
1312     wxColour oldColour = GetBackgroundColour();
1313     if (oldColour.Ok())
1314     {
1315         // Need to set twice or it'll optimize the useful stuff out
1316         if (oldColour == * wxWHITE)
1317             SetBackgroundColour(*wxBLACK);
1318         else
1319             SetBackgroundColour(*wxWHITE);
1320         SetBackgroundColour(oldColour);
1321     }
1322 }
1323
1324 void wxTextCtrl::MarkDirty()
1325 {
1326     m_modified = true;
1327 }
1328
1329 void wxTextCtrl::DiscardEdits()
1330 {
1331     m_modified = false;
1332 }
1333
1334 // ----------------------------------------------------------------------------
1335 // max text length support
1336 // ----------------------------------------------------------------------------
1337
1338 bool wxTextCtrl::IgnoreTextUpdate()
1339 {
1340     if ( m_countUpdatesToIgnore > 0 )
1341     {
1342         m_countUpdatesToIgnore--;
1343
1344         return true;
1345     }
1346
1347     return false;
1348 }
1349
1350 bool wxTextCtrl::MarkDirtyOnChange()
1351 {
1352     if ( m_dontMarkDirty )
1353     {
1354         m_dontMarkDirty = false;
1355
1356         return false;
1357     }
1358
1359     return true;
1360 }
1361
1362 void wxTextCtrl::SetMaxLength(unsigned long len)
1363 {
1364     if ( !HasFlag(wxTE_MULTILINE) )
1365     {
1366         gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
1367
1368         // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
1369         // we had tried to enter more text than allowed by max text length and
1370         // the text wasn't really changed
1371         //
1372         // to detect this and generate TEXT_MAXLEN event instead of
1373         // TEXT_CHANGED one in this case we also catch "insert_text" signal
1374         //
1375         // when max len is set to 0 we disconnect our handler as it means that
1376         // we shouldn't check anything any more
1377         if ( len )
1378         {
1379             g_signal_connect (m_text, "insert_text",
1380                               G_CALLBACK (gtk_insert_text_callback), this);
1381         }
1382         else // no checking
1383         {
1384             g_signal_handlers_disconnect_by_func (m_text,
1385                     (gpointer) gtk_insert_text_callback, this);
1386         }
1387     }
1388 }
1389
1390 void wxTextCtrl::SetSelection( long from, long to )
1391 {
1392     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1393
1394     if (from == -1 && to == -1)
1395     {
1396         from = 0;
1397         to = GetValue().length();
1398     }
1399
1400     if ( IsMultiLine() )
1401     {
1402         GtkTextIter fromi, toi;
1403         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1404         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1405
1406         gtk_text_buffer_place_cursor( m_buffer, &toi );
1407         gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1408     }
1409     else
1410     {
1411         gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1412     }
1413 }
1414
1415 void wxTextCtrl::ShowPosition( long pos )
1416 {
1417     if (IsMultiLine())
1418     {
1419         GtkTextIter iter;
1420         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
1421         GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
1422         gtk_text_buffer_move_mark(m_buffer, mark, &iter);
1423         if (IsFrozen())
1424             // defer until Thaw, text view is not using m_buffer now
1425             m_showPositionOnThaw = mark;
1426         else
1427             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1428     }
1429 }
1430
1431 wxTextCtrlHitTestResult
1432 wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1433 {
1434     if ( !IsMultiLine() )
1435     {
1436         // not supported
1437         return wxTE_HT_UNKNOWN;
1438     }
1439
1440     int x, y;
1441     gtk_text_view_window_to_buffer_coords
1442     (
1443         GTK_TEXT_VIEW(m_text),
1444         GTK_TEXT_WINDOW_TEXT,
1445         pt.x, pt.y,
1446         &x, &y
1447     );
1448
1449     GtkTextIter iter;
1450     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1451     if ( pos )
1452         *pos = gtk_text_iter_get_offset(&iter);
1453
1454     return wxTE_HT_ON_TEXT;
1455 }
1456
1457 long wxTextCtrl::GetInsertionPoint() const
1458 {
1459     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1460
1461     if ( IsMultiLine() )
1462     {
1463         // There is no direct accessor for the cursor, but
1464         // internally, the cursor is the "mark" called
1465         // "insert" in the text view's btree structure.
1466
1467         GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1468         GtkTextIter cursor;
1469         gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1470
1471         return gtk_text_iter_get_offset( &cursor );
1472     }
1473     else
1474     {
1475         return (long) gtk_editable_get_position(GTK_EDITABLE(m_text));
1476     }
1477 }
1478
1479 wxTextPos wxTextCtrl::GetLastPosition() const
1480 {
1481     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1482
1483     int pos = 0;
1484
1485     if ( IsMultiLine() )
1486     {
1487         GtkTextIter end;
1488         gtk_text_buffer_get_end_iter( m_buffer, &end );
1489
1490         pos = gtk_text_iter_get_offset( &end );
1491     }
1492     else
1493     {
1494         pos = GTK_ENTRY(m_text)->text_length;
1495     }
1496
1497     return (long)pos;
1498 }
1499
1500 void wxTextCtrl::Remove( long from, long to )
1501 {
1502     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1503
1504     if ( IsMultiLine() )
1505     {
1506         GtkTextIter fromi, toi;
1507         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1508         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1509
1510         gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1511     }
1512     else // single line
1513         gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1514 }
1515
1516 void wxTextCtrl::Replace( long from, long to, const wxString &value )
1517 {
1518     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1519
1520     Remove( from, to );
1521
1522     if (!value.empty())
1523     {
1524         SetInsertionPoint( from );
1525         WriteText( value );
1526     }
1527 }
1528
1529 void wxTextCtrl::Cut()
1530 {
1531     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1532
1533     if ( IsMultiLine() )
1534         g_signal_emit_by_name (m_text, "cut-clipboard");
1535     else
1536         gtk_editable_cut_clipboard(GTK_EDITABLE(m_text));
1537 }
1538
1539 void wxTextCtrl::Copy()
1540 {
1541     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1542
1543     if ( IsMultiLine() )
1544         g_signal_emit_by_name (m_text, "copy-clipboard");
1545     else
1546         gtk_editable_copy_clipboard(GTK_EDITABLE(m_text));
1547 }
1548
1549 void wxTextCtrl::Paste()
1550 {
1551     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1552
1553     if ( IsMultiLine() )
1554         g_signal_emit_by_name (m_text, "paste-clipboard");
1555     else
1556         gtk_editable_paste_clipboard(GTK_EDITABLE(m_text));
1557 }
1558
1559 // Undo/redo
1560 void wxTextCtrl::Undo()
1561 {
1562     // TODO
1563     wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1564 }
1565
1566 void wxTextCtrl::Redo()
1567 {
1568     // TODO
1569     wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1570 }
1571
1572 bool wxTextCtrl::CanUndo() const
1573 {
1574     // TODO
1575     //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1576     return false;
1577 }
1578
1579 bool wxTextCtrl::CanRedo() const
1580 {
1581     // TODO
1582     //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1583     return false;
1584 }
1585
1586 // If the return values from and to are the same, there is no
1587 // selection.
1588 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1589 {
1590     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1591
1592     gint from = -1;
1593     gint to = -1;
1594     bool haveSelection = false;
1595
1596      if ( IsMultiLine() )
1597      {
1598          GtkTextIter ifrom, ito;
1599          if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1600          {
1601              haveSelection = true;
1602              from = gtk_text_iter_get_offset(&ifrom);
1603              to = gtk_text_iter_get_offset(&ito);
1604          }
1605      }
1606      else  // not multi-line
1607      {
1608          if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1609                                                  &from, &to) )
1610          {
1611              haveSelection = true;
1612          }
1613      }
1614
1615      if (! haveSelection )
1616           from = to = GetInsertionPoint();
1617
1618      if ( from > to )
1619      {
1620          // exchange them to be compatible with wxMSW
1621          gint tmp = from;
1622          from = to;
1623          to = tmp;
1624      }
1625
1626     if ( fromOut )
1627         *fromOut = from;
1628     if ( toOut )
1629         *toOut = to;
1630 }
1631
1632
1633 bool wxTextCtrl::IsEditable() const
1634 {
1635     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1636
1637     if ( IsMultiLine() )
1638     {
1639         return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1640     }
1641     else
1642     {
1643         return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1644     }
1645 }
1646
1647 bool wxTextCtrl::IsModified() const
1648 {
1649     return m_modified;
1650 }
1651
1652 void wxTextCtrl::Clear()
1653 {
1654     SetValue( wxEmptyString );
1655 }
1656
1657 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1658 {
1659     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1660
1661     if ( key_event.GetKeyCode() == WXK_RETURN )
1662     {
1663         if ( HasFlag(wxTE_PROCESS_ENTER) )
1664         {
1665             wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1666             event.SetEventObject(this);
1667             event.SetString(GetValue());
1668             if ( GetEventHandler()->ProcessEvent(event) )
1669                 return;
1670         }
1671
1672         // FIXME: this is not the right place to do it, wxDialog::OnCharHook()
1673         //        probably is
1674         if ( IsSingleLine() )
1675         {
1676             // This will invoke the dialog default action, such
1677             // as the clicking the default button.
1678
1679             wxWindow *top_frame = m_parent;
1680             while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1681                 top_frame = top_frame->GetParent();
1682
1683             if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1684             {
1685                 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1686
1687                 if (window->default_widget)
1688                 {
1689                     gtk_widget_activate (window->default_widget);
1690                     return;
1691                 }
1692             }
1693         }
1694     }
1695
1696     key_event.Skip();
1697 }
1698
1699 GtkWidget* wxTextCtrl::GetConnectWidget()
1700 {
1701     return GTK_WIDGET(m_text);
1702 }
1703
1704 GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
1705 {
1706     if ( IsMultiLine() )
1707     {
1708         return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1709                                         GTK_TEXT_WINDOW_TEXT );
1710     }
1711     else
1712     {
1713         return GTK_ENTRY(m_text)->text_area;
1714     }
1715 }
1716
1717 // the font will change for subsequent text insertiongs
1718 bool wxTextCtrl::SetFont( const wxFont &font )
1719 {
1720     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1721
1722     if ( !wxTextCtrlBase::SetFont(font) )
1723     {
1724         // font didn't change, nothing to do
1725         return false;
1726     }
1727
1728     if ( IsMultiLine() )
1729     {
1730         SetUpdateFont(true);
1731
1732         m_defaultStyle.SetFont(font);
1733
1734         ChangeFontGlobally();
1735     }
1736
1737     return true;
1738 }
1739
1740 void wxTextCtrl::ChangeFontGlobally()
1741 {
1742     // this method is very inefficient and hence should be called as rarely as
1743     // possible!
1744     //
1745     // TODO: it can be implemented much more efficiently for GTK2
1746     wxASSERT_MSG( IsMultiLine(),
1747                   _T("shouldn't be called for single line controls") );
1748
1749     wxString value = GetValue();
1750     if ( !value.empty() )
1751     {
1752         SetUpdateFont(false);
1753
1754         Clear();
1755         AppendText(value);
1756     }
1757 }
1758
1759 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1760 {
1761     if ( !wxControl::SetForegroundColour(colour) )
1762         return false;
1763
1764     // update default fg colour too
1765     m_defaultStyle.SetTextColour(colour);
1766
1767     return true;
1768 }
1769
1770 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1771 {
1772     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1773
1774     if ( !wxControl::SetBackgroundColour( colour ) )
1775         return false;
1776
1777     if (!m_backgroundColour.Ok())
1778         return false;
1779
1780     // change active background color too
1781     m_defaultStyle.SetBackgroundColour( colour );
1782
1783     return true;
1784 }
1785
1786 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1787 {
1788     if ( IsMultiLine() )
1789     {
1790         if ( style.IsDefault() )
1791         {
1792             // nothing to do
1793             return true;
1794         }
1795
1796         gint l = gtk_text_buffer_get_char_count( m_buffer );
1797
1798         wxCHECK_MSG( start >= 0 && end <= l, false,
1799                      _T("invalid range in wxTextCtrl::SetStyle") );
1800
1801         GtkTextIter starti, endi;
1802         gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1803         gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1804
1805         // use the attributes from style which are set in it and fall back
1806         // first to the default style and then to the text control default
1807         // colours for the others
1808         wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this);
1809
1810         wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, attr, &starti, &endi );
1811
1812         return true;
1813     }
1814
1815     // else single line
1816     // cannot do this for GTK+'s Entry widget
1817     return false;
1818 }
1819
1820 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1821 {
1822     gtk_widget_modify_style(m_text, style);
1823 }
1824
1825 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1826 {
1827     Cut();
1828 }
1829
1830 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1831 {
1832     Copy();
1833 }
1834
1835 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1836 {
1837     Paste();
1838 }
1839
1840 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1841 {
1842     Undo();
1843 }
1844
1845 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1846 {
1847     Redo();
1848 }
1849
1850 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1851 {
1852     event.Enable( CanCut() );
1853 }
1854
1855 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1856 {
1857     event.Enable( CanCopy() );
1858 }
1859
1860 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1861 {
1862     event.Enable( CanPaste() );
1863 }
1864
1865 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1866 {
1867     event.Enable( CanUndo() );
1868 }
1869
1870 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1871 {
1872     event.Enable( CanRedo() );
1873 }
1874
1875 wxSize wxTextCtrl::DoGetBestSize() const
1876 {
1877     // FIXME should be different for multi-line controls...
1878     wxSize ret( wxControl::DoGetBestSize() );
1879     wxSize best(80, ret.y);
1880     CacheBestSize(best);
1881     return best;
1882 }
1883
1884 // ----------------------------------------------------------------------------
1885 // freeze/thaw
1886 // ----------------------------------------------------------------------------
1887
1888 void wxTextCtrl::Freeze()
1889 {
1890     wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
1891
1892     if ( HasFlag(wxTE_MULTILINE) )
1893     {
1894         if (m_freezeCount++ == 0)
1895         {
1896             // freeze textview updates and remove buffer
1897             g_signal_connect (m_text, "expose_event",
1898                               G_CALLBACK (gtk_text_exposed_callback), this);
1899             g_signal_connect (m_widget, "expose_event",
1900                               G_CALLBACK (gtk_text_exposed_callback), this);
1901             gtk_widget_set_sensitive(m_widget, false);
1902             g_object_ref(m_buffer);
1903             GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
1904             GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;
1905             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
1906             // gtk_text_view_set_buffer adds its own reference
1907             g_object_unref(buf_new);
1908             // This mark should be deleted when the buffer is changed,
1909             // but it's not (in GTK+ up to at least 2.10.6).
1910             // Otherwise these anonymous marks start to build up in the buffer,
1911             // and Freeze takes longer and longer each time it is called.
1912             if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
1913                 gtk_text_buffer_delete_mark(m_buffer, mark);
1914         }
1915     }
1916 }
1917
1918 void wxTextCtrl::Thaw()
1919 {
1920     if ( HasFlag(wxTE_MULTILINE) )
1921     {
1922         wxCHECK_RET(m_freezeCount != 0, _T("Thaw() without matching Freeze()"));
1923
1924         if (--m_freezeCount == 0)
1925         {
1926             // Reattach buffer and thaw textview updates
1927             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1928             g_object_unref(m_buffer);
1929             gtk_widget_set_sensitive(m_widget, true);
1930             g_signal_handlers_disconnect_by_func (m_widget,
1931                     (gpointer) gtk_text_exposed_callback, this);
1932             g_signal_handlers_disconnect_by_func (m_text,
1933                     (gpointer) gtk_text_exposed_callback, this);
1934             if (m_showPositionOnThaw != NULL)
1935             {
1936                 gtk_text_view_scroll_mark_onscreen(
1937                     GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
1938                 m_showPositionOnThaw = NULL;
1939             }
1940         }
1941     }
1942 }
1943
1944 // ----------------------------------------------------------------------------
1945 // wxTextUrlEvent passing if style & wxTE_AUTO_URL
1946 // ----------------------------------------------------------------------------
1947
1948 // FIXME: when dragging on a link the sample gets an "Unknown event".
1949 // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
1950 // a buggy sample, or something else
1951 void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
1952 {
1953     event.Skip();
1954     if( !HasFlag(wxTE_AUTO_URL) )
1955         return;
1956
1957     gint x, y;
1958     GtkTextIter start, end;
1959     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
1960                                                 "wxUrl");
1961
1962     gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
1963                                           event.GetX(), event.GetY(), &x, &y);
1964
1965     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
1966     if (!gtk_text_iter_has_tag(&end, tag))
1967     {
1968         gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1969                               GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
1970         return;
1971     }
1972
1973     gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1974                           GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
1975
1976     start = end;
1977     if(!gtk_text_iter_begins_tag(&start, tag))
1978         gtk_text_iter_backward_to_tag_toggle(&start, tag);
1979     if(!gtk_text_iter_ends_tag(&end, tag))
1980         gtk_text_iter_forward_to_tag_toggle(&end, tag);
1981
1982     // Native context menu is probably not desired on an URL.
1983     // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
1984     if(event.GetEventType() == wxEVT_RIGHT_DOWN)
1985         event.Skip(false);
1986
1987     wxTextUrlEvent url_event(m_windowId, event,
1988                              gtk_text_iter_get_offset(&start),
1989                              gtk_text_iter_get_offset(&end));
1990
1991     InitCommandEvent(url_event);
1992     // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
1993     //event.Skip(!GetEventHandler()->ProcessEvent(url_event));
1994     GetEventHandler()->ProcessEvent(url_event);
1995 }
1996
1997 bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
1998 {
1999     bool rc = wxTextCtrlBase::GTKProcessEvent(event);
2000
2001     // GtkTextView starts a drag operation when left mouse button is pressed
2002     // and ends it when it is released and if it doesn't get the release event
2003     // the next click on a control results in an assertion failure inside
2004     // gtk_text_view_start_selection_drag() which simply *kills* the program
2005     // without anything we can do about it, so always let GTK+ have this event
2006     return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
2007 }
2008
2009 // static
2010 wxVisualAttributes
2011 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
2012 {
2013     return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
2014 }