src/gtk/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/textctrl.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling, Vadim Zeitlin, 2005 Mart Raudsepp
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/textctrl.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/intl.h"
  17     #include "wx/log.h"
  18     #include "wx/utils.h"
  19     #include "wx/settings.h"
  20     #include "wx/math.h"
  21 #endif
  22
  23 #include "wx/strconv.h"
  24 #include "wx/fontutil.h"        // for wxNativeFontInfo (GetNativeFontInfo())
  25
  26 #include <sys/types.h>
  27 #include <sys/stat.h>
  28 #include <ctype.h>
  29
  30 #include "wx/gtk/private.h"
  31
  32 // ----------------------------------------------------------------------------
  33 // helpers
  34 // ----------------------------------------------------------------------------
  35
  36 extern "C" {
  37 static void wxGtkOnRemoveTag(GtkTextBuffer *buffer,
  38                              GtkTextTag *tag,
  39                              GtkTextIter *start,
  40                              GtkTextIter *end,
  41                              char *prefix)
  42 {
  43     gchar *name;
  44     g_object_get (tag, "name", &name, NULL);
  45
  46     if (!name || strncmp(name, prefix, strlen(prefix)))
  47         // anonymous tag or not starting with prefix - don't remove
  48         g_signal_stop_emission_by_name (buffer, "remove_tag");
  49
  50     g_free(name);
  51 }
  52 }
  53
  54 // remove all tags starting with the given prefix from the start..end range
  55 static void
  56 wxGtkTextRemoveTagsWithPrefix(GtkTextBuffer *text_buffer,
  57                               const char *prefix,
  58                               GtkTextIter *start,
  59                               GtkTextIter *end)
  60 {
  61     gulong remove_handler_id = g_signal_connect
  62                                (
  63                                 text_buffer,
  64                                 "remove_tag",
  65                                 G_CALLBACK(wxGtkOnRemoveTag),
  66                                 gpointer(prefix)
  67                                );
  68     gtk_text_buffer_remove_all_tags(text_buffer, start, end);
  69     g_signal_handler_disconnect(text_buffer, remove_handler_id);
  70 }
  71
  72 static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
  73                                        GtkTextBuffer *text_buffer,
  74                                        const wxTextAttr& attr,
  75                                        GtkTextIter *start,
  76                                        GtkTextIter *end)
  77 {
  78     static gchar buf[1024];
  79     GtkTextTag *tag;
  80
  81     if (attr.HasFont())
  82     {
  83         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFONT", start, end);
  84
  85         PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description;
  86         wxGtkString font_string(pango_font_description_to_string(font_description));
  87         g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());
  88         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
  89                                          buf );
  90         if (!tag)
  91             tag = gtk_text_buffer_create_tag( text_buffer, buf,
  92                                               "font-desc", font_description,
  93                                               NULL );
  94         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
  95
  96         if (attr.GetFont().GetUnderlined())
  97         {
  98             g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE");
  99             tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 100                                              buf );
 101             if (!tag)
 102                 tag = gtk_text_buffer_create_tag( text_buffer, buf,
 103                                                   "underline-set", TRUE,
 104                                                   "underline", PANGO_UNDERLINE_SINGLE,
 105                                                   NULL );
 106             gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 107         }
 108     }
 109
 110     if (attr.HasTextColour())
 111     {
 112         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFORECOLOR", start, end);
 113
 114         const GdkColor *colFg = attr.GetTextColour().GetColor();
 115         g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
 116                    colFg->red, colFg->green, colFg->blue);
 117         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 118                                          buf );
 119         if (!tag)
 120             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 121                                               "foreground-gdk", colFg, NULL );
 122         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 123     }
 124
 125     if (attr.HasBackgroundColour())
 126     {
 127         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXBACKCOLOR", start, end);
 128
 129         const GdkColor *colBg = attr.GetBackgroundColour().GetColor();
 130         g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
 131                    colBg->red, colBg->green, colBg->blue);
 132         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 133                                          buf );
 134         if (!tag)
 135             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 136                                               "background-gdk", colBg, NULL );
 137         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
 138     }
 139
 140     if (attr.HasAlignment())
 141     {
 142         GtkTextIter para_start, para_end = *end;
 143         gtk_text_buffer_get_iter_at_line( text_buffer,
 144                                           &para_start,
 145                                           gtk_text_iter_get_line(start) );
 146         gtk_text_iter_forward_line(&para_end);
 147
 148         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", start, end);
 149
 150         GtkJustification align;
 151         switch (attr.GetAlignment())
 152         {
 153             default:
 154                 align = GTK_JUSTIFY_LEFT;
 155                 break;
 156             case wxTEXT_ALIGNMENT_RIGHT:
 157                 align = GTK_JUSTIFY_RIGHT;
 158                 break;
 159             case wxTEXT_ALIGNMENT_CENTER:
 160                 align = GTK_JUSTIFY_CENTER;
 161                 break;
 162             // gtk+ doesn't support justify as of gtk+-2.7.4
 163         }
 164
 165         g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align);
 166         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 167                                          buf );
 168         if (!tag)
 169             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 170                                               "justification", align, NULL );
 171         gtk_text_buffer_apply_tag( text_buffer, tag, &para_start, &para_end );
 172     }
 173
 174     if (attr.HasLeftIndent())
 175     {
 176         // Indentation attribute
 177
 178         // Clear old indentation tags
 179         GtkTextIter para_start, para_end = *end;
 180         gtk_text_buffer_get_iter_at_line( text_buffer,
 181                                           &para_start,
 182                                           gtk_text_iter_get_line(start) );
 183         gtk_text_iter_forward_line(&para_end);
 184
 185         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", start, end);
 186
 187         // Convert indent from 1/10th of a mm into pixels
 188         float factor;
 189 #if GTK_CHECK_VERSION(2,2,0)
 190         if (!gtk_check_version(2,2,0))
 191             factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
 192                       gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
 193         else
 194 #endif
 195             factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
 196
 197         const int indent = (int)(factor * attr.GetLeftIndent());
 198         const int subIndent = (int)(factor * attr.GetLeftSubIndent());
 199
 200         gint gindent;
 201         gint gsubindent;
 202
 203         if (subIndent >= 0)
 204         {
 205             gindent = indent;
 206             gsubindent = -subIndent;
 207         }
 208         else
 209         {
 210             gindent = -subIndent;
 211             gsubindent = indent;
 212         }
 213
 214         g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent);
 215         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 216                                         buf );
 217         if (!tag)
 218             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 219                                               "left-margin", gindent, "indent", gsubindent, NULL );
 220         gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
 221     }
 222
 223     if (attr.HasTabs())
 224     {
 225         // Set tab stops
 226
 227         // Clear old tabs
 228         GtkTextIter para_start, para_end = *end;
 229         gtk_text_buffer_get_iter_at_line( text_buffer,
 230                                           &para_start,
 231                                           gtk_text_iter_get_line(start) );
 232         gtk_text_iter_forward_line(&para_end);
 233
 234         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", start, end);
 235
 236         const wxArrayInt& tabs = attr.GetTabs();
 237
 238         wxString tagname = _T("WXTABS");
 239         g_snprintf(buf, sizeof(buf), "WXTABS");
 240         for (size_t i = 0; i < tabs.GetCount(); i++)
 241             tagname += wxString::Format(_T(" %d"), tabs[i]);
 242
 243         const wxWX2MBbuf buf = tagname.mb_str(wxConvUTF8);
 244
 245         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 246                                         buf );
 247         if (!tag)
 248         {
 249             // Factor to convert from 1/10th of a mm into pixels
 250             float factor;
 251 #if GTK_CHECK_VERSION(2,2,0)
 252             if (!gtk_check_version(2,2,0))
 253                 factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
 254                           gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
 255             else
 256 #endif
 257                 factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
 258
 259             PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE);
 260             for (size_t i = 0; i < tabs.GetCount(); i++)
 261                 pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor));
 262             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 263                                               "tabs", tabArray, NULL );
 264             pango_tab_array_free(tabArray);
 265         }
 266         gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
 267     }
 268 }
 269
 270 static void wxGtkTextInsert(GtkWidget *text,
 271                             GtkTextBuffer *text_buffer,
 272                             const wxTextAttr& attr,
 273                             const wxCharBuffer& buffer)
 274
 275 {
 276     gint start_offset;
 277     GtkTextIter iter, start;
 278
 279     gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
 280                                      gtk_text_buffer_get_insert (text_buffer) );
 281     start_offset = gtk_text_iter_get_offset (&iter);
 282     gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) );
 283
 284     gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
 285
 286     wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
 287 }
 288
 289 // ----------------------------------------------------------------------------
 290 // "insert_text" for GtkEntry
 291 // ----------------------------------------------------------------------------
 292
 293 extern "C" {
 294 static void
 295 gtk_insert_text_callback(GtkEditable *editable,
 296                          const gchar *new_text,
 297                          gint new_text_length,
 298                          gint *position,
 299                          wxTextCtrl *win)
 300 {
 301     // we should only be called if we have a max len limit at all
 302     GtkEntry *entry = GTK_ENTRY (editable);
 303
 304     wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") );
 305
 306     // check that we don't overflow the max length limit
 307     //
 308     // FIXME: this doesn't work when we paste a string which is going to be
 309     //        truncated
 310     if ( entry->text_length == entry->text_max_length )
 311     {
 312         // we don't need to run the base class version at all
 313         g_signal_stop_emission_by_name (editable, "insert_text");
 314
 315         // remember that the next changed signal is to be ignored to avoid
 316         // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
 317         win->IgnoreNextTextUpdate();
 318
 319         // and generate the correct one ourselves
 320         wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
 321         event.SetEventObject(win);
 322         event.SetString(win->GetValue());
 323         win->GetEventHandler()->ProcessEvent( event );
 324     }
 325 }
 326 }
 327
 328 // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
 329
 330 extern "C" {
 331 static void
 332 au_apply_tag_callback(GtkTextBuffer *buffer,
 333                       GtkTextTag *tag,
 334                       GtkTextIter *start,
 335                       GtkTextIter *end,
 336                       gpointer textctrl)
 337 {
 338     if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
 339         g_signal_stop_emission_by_name (buffer, "apply_tag");
 340 }
 341 }
 342
 343 //-----------------------------------------------------------------------------
 344 //  GtkTextCharPredicates for gtk_text_iter_*_find_char
 345 //-----------------------------------------------------------------------------
 346
 347 extern "C" {
 348 static gboolean
 349 pred_whitespace (gunichar ch, gpointer user_data)
 350 {
 351     return g_unichar_isspace(ch);
 352 }
 353 }
 354
 355 extern "C" {
 356 static gboolean
 357 pred_non_whitespace (gunichar ch, gpointer user_data)
 358 {
 359     return !g_unichar_isspace(ch);
 360 }
 361 }
 362
 363 extern "C" {
 364 static gboolean
 365 pred_nonpunct (gunichar ch, gpointer user_data)
 366 {
 367     return !g_unichar_ispunct(ch);
 368 }
 369 }
 370
 371 extern "C" {
 372 static gboolean
 373 pred_nonpunct_or_slash (gunichar ch, gpointer user_data)
 374 {
 375     return !g_unichar_ispunct(ch) || ch == '/';
 376 }
 377 }
 378
 379 //-----------------------------------------------------------------------------
 380 //  Check for links between s and e and correct tags as necessary
 381 //-----------------------------------------------------------------------------
 382
 383 // This function should be made match better while being efficient at one point.
 384 // Most probably with a row of regular expressions.
 385 extern "C" {
 386 static void
 387 au_check_word( GtkTextIter *s, GtkTextIter *e )
 388 {
 389     static const char *URIPrefixes[] =
 390     {
 391         "http://",
 392         "ftp://",
 393         "www.",
 394         "ftp.",
 395         "mailto://",
 396         "https://",
 397         "file://",
 398         "nntp://",
 399         "news://",
 400         "telnet://",
 401         "mms://",
 402         "gopher://",
 403         "prospero://",
 404         "wais://",
 405     };
 406
 407     GtkTextIter start = *s, end = *e;
 408     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 409
 410     // Get our special link tag
 411     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 412
 413     // Get rid of punctuation from beginning and end.
 414     // Might want to move this to au_check_range if an improved link checking doesn't
 415     // use some intelligent punctuation checking itself (beware of undesired iter modifications).
 416     if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
 417         gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
 418
 419     gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
 420     gtk_text_iter_forward_char(&end);
 421
 422     gchar* text = gtk_text_iter_get_text( &start, &end );
 423     size_t len = strlen(text), prefix_len;
 424     size_t n;
 425
 426     for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
 427     {
 428         prefix_len = strlen(URIPrefixes[n]);
 429         if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
 430             break;
 431     }
 432
 433     if(n < WXSIZEOF(URIPrefixes))
 434     {
 435         gulong signal_id = g_signal_handler_find (buffer,
 436                                                   (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
 437                                                   0, 0, NULL,
 438                                                   (gpointer)au_apply_tag_callback, NULL);
 439
 440         g_signal_handler_block (buffer, signal_id);
 441         gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
 442         g_signal_handler_unblock (buffer, signal_id);
 443     }
 444 }
 445 }
 446
 447 extern "C" {
 448 static void
 449 au_check_range(GtkTextIter *s,
 450                GtkTextIter *range_end)
 451 {
 452     GtkTextIter range_start = *s;
 453     GtkTextIter word_end;
 454     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 455     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 456
 457     gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
 458
 459     if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
 460         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 461
 462     while(!gtk_text_iter_equal(&range_start, range_end))
 463     {
 464         word_end = range_start;
 465         gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
 466
 467         // Now we should have a word delimited by range_start and word_end, correct link tags
 468         au_check_word(&range_start, &word_end);
 469
 470         range_start = word_end;
 471         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 472     }
 473 }
 474 }
 475
 476 //-----------------------------------------------------------------------------
 477 //  "insert-text" for GtkTextBuffer
 478 //-----------------------------------------------------------------------------
 479
 480 extern "C" {
 481 static void
 482 au_insert_text_callback(GtkTextBuffer *buffer,
 483                         GtkTextIter *end,
 484                         gchar *text,
 485                         gint len,
 486                         wxTextCtrl *win)
 487 {
 488     if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 489         return;
 490
 491     GtkTextIter start = *end;
 492     gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
 493
 494     GtkTextIter line_start = start;
 495     GtkTextIter line_end = *end;
 496     GtkTextIter words_start = start;
 497     GtkTextIter words_end = *end;
 498
 499     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
 500     gtk_text_iter_forward_to_line_end(&line_end);
 501     gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
 502     gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
 503
 504     au_check_range(&words_start, &words_end);
 505 }
 506 }
 507
 508 //-----------------------------------------------------------------------------
 509 //  "delete-range" for GtkTextBuffer
 510 //-----------------------------------------------------------------------------
 511
 512 extern "C" {
 513 static void
 514 au_delete_range_callback(GtkTextBuffer *buffer,
 515                          GtkTextIter *start,
 516                          GtkTextIter *end,
 517                          wxTextCtrl *win)
 518 {
 519     if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 520         return;
 521
 522     GtkTextIter line_start = *start, line_end = *end;
 523
 524     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
 525     gtk_text_iter_forward_to_line_end(&line_end);
 526     gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
 527     gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
 528
 529     au_check_range(start, end);
 530 }
 531 }
 532
 533
 534 //-----------------------------------------------------------------------------
 535 //  "changed"
 536 //-----------------------------------------------------------------------------
 537
 538 extern "C" {
 539 static void
 540 gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
 541 {
 542     if ( win->IgnoreTextUpdate() )
 543         return;
 544
 545     if (!win->m_hasVMT) return;
 546
 547     if ( win->MarkDirtyOnChange() )
 548         win->MarkDirty();
 549
 550     win->SendTextUpdatedEvent();
 551 }
 552 }
 553
 554 //-----------------------------------------------------------------------------
 555 //  clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard"
 556 //-----------------------------------------------------------------------------
 557
 558 // common part of the event handlers below
 559 static void
 560 handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win,
 561                                 wxEventType eventType, const gchar * signal_name)
 562 {
 563     wxClipboardTextEvent event( eventType, win->GetId() );
 564     event.SetEventObject( win );
 565     if ( win->GetEventHandler()->ProcessEvent( event ) )
 566     {
 567         // don't let the default processing to take place if we did something
 568         // ourselves in the event handler
 569         g_signal_stop_emission_by_name (widget, signal_name);
 570     }
 571 }
 572
 573 extern "C" {
 574 static void
 575 gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 576 {
 577     handle_text_clipboard_callback(
 578         widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" );
 579 }
 580
 581 static void
 582 gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 583 {
 584     handle_text_clipboard_callback(
 585         widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" );
 586 }
 587
 588 static void
 589 gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 590 {
 591     handle_text_clipboard_callback(
 592         widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" );
 593 }
 594 }
 595
 596 //-----------------------------------------------------------------------------
 597 // "expose_event" from scrolled window and textview
 598 //-----------------------------------------------------------------------------
 599
 600 extern "C" {
 601 static gboolean
 602 gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win )
 603 {
 604     return TRUE;
 605 }
 606 }
 607
 608
 609 //-----------------------------------------------------------------------------
 610 //  wxTextCtrl
 611 //-----------------------------------------------------------------------------
 612
 613 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 614
 615 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 616     EVT_CHAR(wxTextCtrl::OnChar)
 617
 618     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 619     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 620     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 621     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 622     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 623
 624     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 625     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 626     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 627     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 628     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 629
 630     // wxTE_AUTO_URL wxTextUrl support. Currently only creates
 631     // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
 632     EVT_MOTION      (wxTextCtrl::OnUrlMouseEvent)
 633     EVT_LEFT_DOWN   (wxTextCtrl::OnUrlMouseEvent)
 634     EVT_LEFT_UP     (wxTextCtrl::OnUrlMouseEvent)
 635     EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
 636     EVT_RIGHT_DOWN  (wxTextCtrl::OnUrlMouseEvent)
 637     EVT_RIGHT_UP    (wxTextCtrl::OnUrlMouseEvent)
 638     EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
 639 END_EVENT_TABLE()
 640
 641 void wxTextCtrl::Init()
 642 {
 643     m_dontMarkDirty =
 644     m_modified = false;
 645
 646     m_countUpdatesToIgnore = 0;
 647
 648     SetUpdateFont(false);
 649
 650     m_text = NULL;
 651     m_freezeCount = 0;
 652     m_showPositionOnThaw = NULL;
 653     m_gdkHandCursor = NULL;
 654     m_gdkXTermCursor = NULL;
 655 }
 656
 657 wxTextCtrl::~wxTextCtrl()
 658 {
 659     if(m_gdkHandCursor)
 660         gdk_cursor_unref(m_gdkHandCursor);
 661     if(m_gdkXTermCursor)
 662         gdk_cursor_unref(m_gdkXTermCursor);
 663 }
 664
 665 wxTextCtrl::wxTextCtrl( wxWindow *parent,
 666                         wxWindowID id,
 667                         const wxString &value,
 668                         const wxPoint &pos,
 669                         const wxSize &size,
 670                         long style,
 671                         const wxValidator& validator,
 672                         const wxString &name )
 673 {
 674     Init();
 675
 676     Create( parent, id, value, pos, size, style, validator, name );
 677 }
 678
 679 bool wxTextCtrl::Create( wxWindow *parent,
 680                          wxWindowID id,
 681                          const wxString &value,
 682                          const wxPoint &pos,
 683                          const wxSize &size,
 684                          long style,
 685                          const wxValidator& validator,
 686                          const wxString &name )
 687 {
 688     if (!PreCreation( parent, pos, size ) ||
 689         !CreateBase( parent, id, pos, size, style, validator, name ))
 690     {
 691         wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
 692         return false;
 693     }
 694
 695     bool multi_line = (style & wxTE_MULTILINE) != 0;
 696
 697     if (multi_line)
 698     {
 699         // Create view
 700         m_text = gtk_text_view_new();
 701
 702         m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
 703
 704         // create "ShowPosition" marker
 705         GtkTextIter iter;
 706         gtk_text_buffer_get_start_iter(m_buffer, &iter);
 707         gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true);
 708
 709         // create scrolled window
 710         m_widget = gtk_scrolled_window_new( NULL, NULL );
 711         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
 712                                         GTK_POLICY_AUTOMATIC,
 713                                         style & wxTE_NO_VSCROLL
 714                                             ? GTK_POLICY_NEVER
 715                                             : GTK_POLICY_AUTOMATIC );
 716         // for ScrollLines/Pages
 717         m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar;
 718
 719         // Insert view into scrolled window
 720         gtk_container_add( GTK_CONTAINER(m_widget), m_text );
 721
 722         GTKSetWrapMode();
 723
 724         GtkScrolledWindowSetBorder(m_widget, style);
 725
 726         gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
 727
 728         GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 729     }
 730     else
 731     {
 732         // a single-line text control: no need for scrollbars
 733         m_widget =
 734         m_text = gtk_entry_new();
 735
 736         if (style & wxNO_BORDER)
 737             g_object_set (m_text, "has-frame", FALSE, NULL);
 738     }
 739
 740     m_parent->DoAddChild( this );
 741
 742     m_focusWidget = m_text;
 743
 744     PostCreation(size);
 745
 746     if (multi_line)
 747     {
 748         gtk_widget_show(m_text);
 749     }
 750
 751     if (!value.empty())
 752     {
 753         SetValue( value );
 754     }
 755
 756     if (style & wxTE_PASSWORD)
 757         GTKSetVisibility();
 758
 759     if (style & wxTE_READONLY)
 760         GTKSetEditable();
 761
 762     // left justification (alignment) is the default anyhow
 763     if ( style & (wxTE_RIGHT | wxTE_CENTRE) )
 764         GTKSetJustification();
 765
 766     // We want to be notified about text changes.
 767     if (multi_line)
 768     {
 769         g_signal_connect (m_buffer, "changed",
 770                           G_CALLBACK (gtk_text_changed_callback), this);
 771
 772         // .. and handle URLs on multi-line controls with wxTE_AUTO_URL style
 773         if (style & wxTE_AUTO_URL)
 774         {
 775             GtkTextIter start, end;
 776             m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
 777             m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
 778
 779             // We create our wxUrl tag here for slight efficiency gain - we
 780             // don't have to check for the tag existance in callbacks,
 781             // hereby it's guaranteed to exist.
 782             gtk_text_buffer_create_tag(m_buffer, "wxUrl",
 783                                        "foreground", "blue",
 784                                        "underline", PANGO_UNDERLINE_SINGLE,
 785                                        NULL);
 786
 787             // Check for URLs after each text change
 788             g_signal_connect_after (m_buffer, "insert_text",
 789                                     G_CALLBACK (au_insert_text_callback), this);
 790             g_signal_connect_after (m_buffer, "delete_range",
 791                                     G_CALLBACK (au_delete_range_callback), this);
 792
 793             // Block all wxUrl tag applying unless we do it ourselves, in which case we
 794             // block this callback temporarily. This takes care of gtk+ internal
 795             // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
 796             // which is undesired because only a part of the URL might be copied.
 797             // The insert-text signal emitted inside it will take care of newly formed
 798             // or wholly copied URLs.
 799             g_signal_connect (m_buffer, "apply_tag",
 800                               G_CALLBACK (au_apply_tag_callback), NULL);
 801
 802             // Check for URLs in the initial string passed to Create
 803             gtk_text_buffer_get_start_iter(m_buffer, &start);
 804             gtk_text_buffer_get_end_iter(m_buffer, &end);
 805             au_check_range(&start, &end);
 806         }
 807     }
 808     else
 809     {
 810         g_signal_connect (m_text, "changed",
 811                           G_CALLBACK (gtk_text_changed_callback), this);
 812     }
 813
 814     g_signal_connect (m_text, "copy-clipboard",
 815                       G_CALLBACK (gtk_copy_clipboard_callback), this);
 816     g_signal_connect (m_text, "cut-clipboard",
 817                       G_CALLBACK (gtk_cut_clipboard_callback), this);
 818     g_signal_connect (m_text, "paste-clipboard",
 819                       G_CALLBACK (gtk_paste_clipboard_callback), this);
 820
 821     m_cursor = wxCursor( wxCURSOR_IBEAM );
 822
 823     return true;
 824 }
 825
 826 // ----------------------------------------------------------------------------
 827 // flags handling
 828 // ----------------------------------------------------------------------------
 829
 830 void wxTextCtrl::GTKSetEditable()
 831 {
 832     gboolean editable = !HasFlag(wxTE_READONLY);
 833     if ( IsSingleLine() )
 834         gtk_editable_set_editable(GTK_EDITABLE(m_text), editable);
 835     else
 836         gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable);
 837 }
 838
 839 void wxTextCtrl::GTKSetVisibility()
 840 {
 841     // VZ: shouldn't we assert if wxTE_PASSWORD is set for multiline control?
 842     if ( IsSingleLine() )
 843         gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD));
 844 }
 845
 846 void wxTextCtrl::GTKSetWrapMode()
 847 {
 848     // no wrapping in single line controls
 849     if ( !IsMultiLine() )
 850         return;
 851
 852     // translate wx wrapping style to GTK+
 853     GtkWrapMode wrap;
 854     if ( HasFlag( wxTE_DONTWRAP ) )
 855         wrap = GTK_WRAP_NONE;
 856     else if ( HasFlag( wxTE_CHARWRAP ) )
 857         wrap = GTK_WRAP_CHAR;
 858     else if ( HasFlag( wxTE_WORDWRAP ) )
 859         wrap = GTK_WRAP_WORD;
 860     else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
 861     {
 862         // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4
 863 #ifdef __WXGTK24__
 864         if ( !gtk_check_version(2,4,0) )
 865         {
 866             wrap = GTK_WRAP_WORD_CHAR;
 867         }
 868         else
 869 #endif // __WXGTK24__
 870         wrap = GTK_WRAP_WORD;
 871     }
 872
 873     gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
 874 }
 875
 876 void wxTextCtrl::GTKSetJustification()
 877 {
 878     if ( IsMultiLine() )
 879     {
 880         GtkJustification just;
 881         if ( HasFlag(wxTE_RIGHT) )
 882             just = GTK_JUSTIFY_RIGHT;
 883         else if ( HasFlag(wxTE_CENTRE) )
 884             just = GTK_JUSTIFY_CENTER;
 885         else // wxTE_LEFT == 0
 886             just = GTK_JUSTIFY_LEFT;
 887
 888         gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just);
 889     }
 890     else // single line
 891     {
 892 #ifdef __WXGTK24__
 893         // gtk_entry_set_alignment was introduced in gtk+-2.3.5
 894         if (!gtk_check_version(2,4,0))
 895         {
 896             gfloat align;
 897             if ( HasFlag(wxTE_RIGHT) )
 898                 align = 1.0;
 899             else if ( HasFlag(wxTE_CENTRE) )
 900                 align = 0.5;
 901             else // single line
 902                 align = 0.0;
 903
 904             gtk_entry_set_alignment(GTK_ENTRY(m_text), align);
 905         }
 906 #endif // __WXGTK24__
 907     }
 908
 909 }
 910
 911 void wxTextCtrl::SetWindowStyleFlag(long style)
 912 {
 913     long styleOld = GetWindowStyleFlag();
 914
 915     wxTextCtrlBase::SetWindowStyleFlag(style);
 916
 917     if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) )
 918         GTKSetEditable();
 919
 920     if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) )
 921         GTKSetVisibility();
 922
 923     static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP;
 924     if ( (style & flagsWrap) != (styleOld & flagsWrap) )
 925         GTKSetWrapMode();
 926
 927     static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
 928     if ( (style & flagsAlign) != (styleOld & flagsAlign) )
 929         GTKSetJustification();
 930 }
 931
 932 // ----------------------------------------------------------------------------
 933 // control value
 934 // ----------------------------------------------------------------------------
 935
 936 wxString wxTextCtrl::GetValue() const
 937 {
 938     wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
 939
 940     wxString tmp;
 941     if ( IsMultiLine() )
 942     {
 943         GtkTextIter start;
 944         gtk_text_buffer_get_start_iter( m_buffer, &start );
 945         GtkTextIter end;
 946         gtk_text_buffer_get_end_iter( m_buffer, &end );
 947         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
 948
 949         const wxWxCharBuffer buf = wxGTK_CONV_BACK(text);
 950         if ( buf )
 951             tmp = buf;
 952     }
 953     else
 954     {
 955         const gchar *text = gtk_entry_get_text( GTK_ENTRY(m_text) );
 956         const wxWxCharBuffer buf = wxGTK_CONV_BACK( text );
 957         if ( buf )
 958             tmp = buf;
 959     }
 960
 961     return tmp;
 962 }
 963
 964 wxFontEncoding wxTextCtrl::GetTextEncoding() const
 965 {
 966     // GTK+ uses UTF-8 internally, we need to convert to it but from which
 967     // encoding?
 968
 969     // first check the default text style (we intentionally don't check the
 970     // style for the current position as it doesn't make sense for SetValue())
 971     const wxTextAttr& style = GetDefaultStyle();
 972     wxFontEncoding enc = style.HasFont() ? style.GetFont().GetEncoding()
 973                                          : wxFONTENCODING_SYSTEM;
 974
 975     // fall back to the controls font if no style
 976     if ( enc == wxFONTENCODING_SYSTEM && m_hasFont )
 977         enc = GetFont().GetEncoding();
 978
 979     return enc;
 980 }
 981
 982 bool wxTextCtrl::IsEmpty() const
 983 {
 984     if ( IsMultiLine() )
 985         return gtk_text_buffer_get_char_count(m_buffer) == 0;
 986
 987     return wxTextCtrlBase::IsEmpty();
 988 }
 989
 990 void wxTextCtrl::DoSetValue( const wxString &value, int flags )
 991 {
 992     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 993
 994     // the control won't be modified any more as we programmatically replace
 995     // all the existing text, so reset the flag and don't set it again (and do
 996     // it now, before the text event handler is ran so that IsModified() called
 997     // from there returns the expected value)
 998     m_modified = false;
 999     DontMarkDirtyOnNextChange();
1000
1001     wxFontEncoding enc = m_defaultStyle.HasFont()
1002                             ? m_defaultStyle.GetFont().GetEncoding()
1003                             : wxFONTENCODING_SYSTEM;
1004     if ( enc == wxFONTENCODING_SYSTEM )
1005         enc = GetTextEncoding();
1006
1007     const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc));
1008     if ( !buffer )
1009     {
1010         // see comment in WriteText() as to why we must warn the user about
1011         // this
1012         wxLogWarning(_("Failed to set text in the text control."));
1013         return;
1014     }
1015
1016     // if the control is not empty, two "changed" signals are emitted,
1017     // otherwise only one and we need to ignore either both or one of them
1018     int ignore = flags & SetValue_SendEvent ? 0 : 1;
1019     if ( !IsEmpty() )
1020         ignore++;
1021
1022     if ( ignore )
1023         IgnoreNextTextUpdate(ignore);
1024
1025     if ( IsMultiLine() )
1026     {
1027         gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
1028
1029         if ( !m_defaultStyle.IsDefault() )
1030         {
1031             GtkTextIter start, end;
1032             gtk_text_buffer_get_bounds( m_buffer, &start, &end );
1033             wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle,
1034                                        &start, &end);
1035         }
1036     }
1037     else // single line
1038     {
1039         gtk_entry_set_text( GTK_ENTRY(m_text), buffer );
1040     }
1041
1042     // if, for whatever reason, the callback wasn't called the expected number
1043     // of times, still reset the flags to the default values
1044     m_dontMarkDirty = false;
1045     m_countUpdatesToIgnore = 0;
1046
1047
1048     // GRG, Jun/2000: Changed this after a lot of discussion in
1049     //   the lists. wxWidgets 2.2 will have a set of flags to
1050     //   customize this behaviour.
1051     SetInsertionPoint(0);
1052 }
1053
1054 void wxTextCtrl::WriteText( const wxString &text )
1055 {
1056     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1057
1058     if ( text.empty() )
1059         return;
1060
1061     // check if we have a specific style for the current position
1062     wxFontEncoding enc = wxFONTENCODING_SYSTEM;
1063     wxTextAttr style;
1064     if ( GetStyle(GetInsertionPoint(), style) && style.HasFont() )
1065     {
1066         enc = style.GetFont().GetEncoding();
1067     }
1068
1069     if ( enc == wxFONTENCODING_SYSTEM )
1070         enc = GetTextEncoding();
1071
1072     const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc));
1073     if ( !buffer )
1074     {
1075         // we must log an error here as losing the text like this can be a
1076         // serious problem (e.g. imagine the document edited by user being
1077         // empty instead of containing the correct text)
1078         wxLogWarning(_("Failed to insert text in the control."));
1079         return;
1080     }
1081
1082     // we're changing the text programmatically
1083     DontMarkDirtyOnNextChange();
1084
1085     if ( IsMultiLine() )
1086     {
1087         // First remove the selection if there is one
1088         // TODO:  Is there an easier GTK specific way to do this?
1089         long from, to;
1090         GetSelection(&from, &to);
1091         if (from != to)
1092             Remove(from, to);
1093
1094         // Insert the text
1095         wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
1096
1097         GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
1098         // Scroll to cursor, but only if scrollbar thumb is at the very bottom
1099         // won't work when frozen, text view is not using m_buffer then
1100         if (!IsFrozen() && wxIsSameDouble(adj->value, adj->upper - adj->page_size))
1101         {
1102             gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
1103                     gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
1104         }
1105     }
1106     else // single line
1107     {
1108         // First remove the selection if there is one
1109         gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
1110
1111         // This moves the cursor pos to behind the inserted text.
1112         gint len = gtk_editable_get_position(GTK_EDITABLE(m_text));
1113
1114         gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
1115
1116         // Bring entry's cursor uptodate.
1117         gtk_editable_set_position( GTK_EDITABLE(m_text), len );
1118     }
1119 }
1120
1121 void wxTextCtrl::AppendText( const wxString &text )
1122 {
1123     SetInsertionPointEnd();
1124     WriteText( text );
1125 }
1126
1127 wxString wxTextCtrl::GetLineText( long lineNo ) const
1128 {
1129     wxString result;
1130     if ( IsMultiLine() )
1131     {
1132         GtkTextIter line;
1133         gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1134
1135         GtkTextIter end = line;
1136         // avoid skipping to the next line end if this one is empty
1137         if ( !gtk_text_iter_ends_line(&line) )
1138             gtk_text_iter_forward_to_line_end(&end);
1139
1140         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
1141         result = wxGTK_CONV_BACK(text);
1142     }
1143     else
1144     {
1145         if (lineNo == 0)
1146             result = GetValue();
1147     }
1148     return result;
1149 }
1150
1151 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1152 {
1153   /* If you implement this, don't forget to update the documentation!
1154    * (file docs/latex/wx/text.tex) */
1155     wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1156 }
1157
1158 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1159 {
1160     if ( IsMultiLine() )
1161     {
1162         GtkTextIter iter;
1163
1164         if (pos > GetLastPosition())
1165             return false;
1166
1167         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1168
1169         if ( y )
1170             *y = gtk_text_iter_get_line(&iter);
1171         if ( x )
1172             *x = gtk_text_iter_get_line_offset(&iter);
1173     }
1174     else // single line control
1175     {
1176         if ( pos <= GTK_ENTRY(m_text)->text_length )
1177         {
1178             if ( y )
1179                 *y = 0;
1180             if ( x )
1181                 *x = pos;
1182         }
1183         else
1184         {
1185             // index out of bounds
1186             return false;
1187         }
1188     }
1189
1190     return true;
1191 }
1192
1193 long wxTextCtrl::XYToPosition(long x, long y ) const
1194 {
1195     if ( IsSingleLine() )
1196         return 0;
1197
1198     GtkTextIter iter;
1199     if (y >= gtk_text_buffer_get_line_count (m_buffer))
1200         return -1;
1201
1202     gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y);
1203     if (x >= gtk_text_iter_get_chars_in_line (&iter))
1204         return -1;
1205
1206     return gtk_text_iter_get_offset(&iter) + x;
1207 }
1208
1209 int wxTextCtrl::GetLineLength(long lineNo) const
1210 {
1211     if ( IsMultiLine() )
1212     {
1213         int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1214         if (lineNo > last_line)
1215             return -1;
1216
1217         GtkTextIter iter;
1218         gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1219         // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1220         return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1221     }
1222     else
1223     {
1224         wxString str = GetLineText (lineNo);
1225         return (int) str.length();
1226     }
1227 }
1228
1229 int wxTextCtrl::GetNumberOfLines() const
1230 {
1231     if ( IsMultiLine() )
1232     {
1233         return gtk_text_buffer_get_line_count( m_buffer );
1234     }
1235     else // single line
1236     {
1237         return 1;
1238     }
1239 }
1240
1241 void wxTextCtrl::SetInsertionPoint( long pos )
1242 {
1243     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1244
1245     if ( IsMultiLine() )
1246     {
1247         GtkTextIter iter;
1248         gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1249         gtk_text_buffer_place_cursor( m_buffer, &iter );
1250         GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
1251         if (IsFrozen())
1252             // defer until Thaw, text view is not using m_buffer now
1253             m_showPositionOnThaw = mark;
1254         else
1255             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1256     }
1257     else
1258     {
1259         // FIXME: Is the editable's cursor really uptodate without double set_position in GTK2?
1260         gtk_editable_set_position(GTK_EDITABLE(m_text), int(pos));
1261     }
1262 }
1263
1264 void wxTextCtrl::SetInsertionPointEnd()
1265 {
1266     SetInsertionPoint(-1);
1267 }
1268
1269 void wxTextCtrl::SetEditable( bool editable )
1270 {
1271     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1272
1273     if ( IsMultiLine() )
1274     {
1275         gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1276     }
1277     else
1278     {
1279         gtk_editable_set_editable( GTK_EDITABLE(m_text), editable );
1280     }
1281 }
1282
1283 bool wxTextCtrl::Enable( bool enable )
1284 {
1285     if (!wxWindowBase::Enable(enable))
1286     {
1287         // nothing to do
1288         return false;
1289     }
1290
1291     if ( IsMultiLine() )
1292     {
1293         SetEditable( enable );
1294     }
1295     else
1296     {
1297         gtk_widget_set_sensitive( m_text, enable );
1298     }
1299
1300     return true;
1301 }
1302
1303 // wxGTK-specific: called recursively by Enable,
1304 // to give widgets an opportunity to correct their colours after they
1305 // have been changed by Enable
1306 void wxTextCtrl::OnEnabled( bool enable )
1307 {
1308     // If we have a custom background colour, we use this colour in both
1309     // disabled and enabled mode, or we end up with a different colour under the
1310     // text.
1311     wxColour oldColour = GetBackgroundColour();
1312     if (oldColour.Ok())
1313     {
1314         // Need to set twice or it'll optimize the useful stuff out
1315         if (oldColour == * wxWHITE)
1316             SetBackgroundColour(*wxBLACK);
1317         else
1318             SetBackgroundColour(*wxWHITE);
1319         SetBackgroundColour(oldColour);
1320     }
1321 }
1322
1323 void wxTextCtrl::MarkDirty()
1324 {
1325     m_modified = true;
1326 }
1327
1328 void wxTextCtrl::DiscardEdits()
1329 {
1330     m_modified = false;
1331 }
1332
1333 // ----------------------------------------------------------------------------
1334 // max text length support
1335 // ----------------------------------------------------------------------------
1336
1337 bool wxTextCtrl::IgnoreTextUpdate()
1338 {
1339     if ( m_countUpdatesToIgnore > 0 )
1340     {
1341         m_countUpdatesToIgnore--;
1342
1343         return true;
1344     }
1345
1346     return false;
1347 }
1348
1349 bool wxTextCtrl::MarkDirtyOnChange()
1350 {
1351     if ( m_dontMarkDirty )
1352     {
1353         m_dontMarkDirty = false;
1354
1355         return false;
1356     }
1357
1358     return true;
1359 }
1360
1361 void wxTextCtrl::SetMaxLength(unsigned long len)
1362 {
1363     if ( !HasFlag(wxTE_MULTILINE) )
1364     {
1365         gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
1366
1367         // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
1368         // we had tried to enter more text than allowed by max text length and
1369         // the text wasn't really changed
1370         //
1371         // to detect this and generate TEXT_MAXLEN event instead of
1372         // TEXT_CHANGED one in this case we also catch "insert_text" signal
1373         //
1374         // when max len is set to 0 we disconnect our handler as it means that
1375         // we shouldn't check anything any more
1376         if ( len )
1377         {
1378             g_signal_connect (m_text, "insert_text",
1379                               G_CALLBACK (gtk_insert_text_callback), this);
1380         }
1381         else // no checking
1382         {
1383             g_signal_handlers_disconnect_by_func (m_text,
1384                     (gpointer) gtk_insert_text_callback, this);
1385         }
1386     }
1387 }
1388
1389 void wxTextCtrl::SetSelection( long from, long to )
1390 {
1391     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1392
1393     if (from == -1 && to == -1)
1394     {
1395         from = 0;
1396         to = GetValue().length();
1397     }
1398
1399     if ( IsMultiLine() )
1400     {
1401         GtkTextIter fromi, toi;
1402         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1403         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1404
1405         gtk_text_buffer_place_cursor( m_buffer, &toi );
1406         gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1407     }
1408     else
1409     {
1410         gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1411     }
1412 }
1413
1414 void wxTextCtrl::ShowPosition( long pos )
1415 {
1416     if (IsMultiLine())
1417     {
1418         GtkTextIter iter;
1419         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
1420         GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
1421         gtk_text_buffer_move_mark(m_buffer, mark, &iter);
1422         if (IsFrozen())
1423             // defer until Thaw, text view is not using m_buffer now
1424             m_showPositionOnThaw = mark;
1425         else
1426             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1427     }
1428 }
1429
1430 wxTextCtrlHitTestResult
1431 wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1432 {
1433     if ( !IsMultiLine() )
1434     {
1435         // not supported
1436         return wxTE_HT_UNKNOWN;
1437     }
1438
1439     int x, y;
1440     gtk_text_view_window_to_buffer_coords
1441     (
1442         GTK_TEXT_VIEW(m_text),
1443         GTK_TEXT_WINDOW_TEXT,
1444         pt.x, pt.y,
1445         &x, &y
1446     );
1447
1448     GtkTextIter iter;
1449     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1450     if ( pos )
1451         *pos = gtk_text_iter_get_offset(&iter);
1452
1453     return wxTE_HT_ON_TEXT;
1454 }
1455
1456 long wxTextCtrl::GetInsertionPoint() const
1457 {
1458     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1459
1460     if ( IsMultiLine() )
1461     {
1462         // There is no direct accessor for the cursor, but
1463         // internally, the cursor is the "mark" called
1464         // "insert" in the text view's btree structure.
1465
1466         GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1467         GtkTextIter cursor;
1468         gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1469
1470         return gtk_text_iter_get_offset( &cursor );
1471     }
1472     else
1473     {
1474         return (long) gtk_editable_get_position(GTK_EDITABLE(m_text));
1475     }
1476 }
1477
1478 wxTextPos wxTextCtrl::GetLastPosition() const
1479 {
1480     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1481
1482     int pos = 0;
1483
1484     if ( IsMultiLine() )
1485     {
1486         GtkTextIter end;
1487         gtk_text_buffer_get_end_iter( m_buffer, &end );
1488
1489         pos = gtk_text_iter_get_offset( &end );
1490     }
1491     else
1492     {
1493         pos = GTK_ENTRY(m_text)->text_length;
1494     }
1495
1496     return (long)pos;
1497 }
1498
1499 void wxTextCtrl::Remove( long from, long to )
1500 {
1501     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1502
1503     if ( IsMultiLine() )
1504     {
1505         GtkTextIter fromi, toi;
1506         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1507         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1508
1509         gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1510     }
1511     else // single line
1512         gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1513 }
1514
1515 void wxTextCtrl::Replace( long from, long to, const wxString &value )
1516 {
1517     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1518
1519     Remove( from, to );
1520
1521     if (!value.empty())
1522     {
1523         SetInsertionPoint( from );
1524         WriteText( value );
1525     }
1526 }
1527
1528 void wxTextCtrl::Cut()
1529 {
1530     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1531
1532     if ( IsMultiLine() )
1533         g_signal_emit_by_name (m_text, "cut-clipboard");
1534     else
1535         gtk_editable_cut_clipboard(GTK_EDITABLE(m_text));
1536 }
1537
1538 void wxTextCtrl::Copy()
1539 {
1540     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1541
1542     if ( IsMultiLine() )
1543         g_signal_emit_by_name (m_text, "copy-clipboard");
1544     else
1545         gtk_editable_copy_clipboard(GTK_EDITABLE(m_text));
1546 }
1547
1548 void wxTextCtrl::Paste()
1549 {
1550     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1551
1552     if ( IsMultiLine() )
1553         g_signal_emit_by_name (m_text, "paste-clipboard");
1554     else
1555         gtk_editable_paste_clipboard(GTK_EDITABLE(m_text));
1556 }
1557
1558 // Undo/redo
1559 void wxTextCtrl::Undo()
1560 {
1561     // TODO
1562     wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1563 }
1564
1565 void wxTextCtrl::Redo()
1566 {
1567     // TODO
1568     wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1569 }
1570
1571 bool wxTextCtrl::CanUndo() const
1572 {
1573     // TODO
1574     //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1575     return false;
1576 }
1577
1578 bool wxTextCtrl::CanRedo() const
1579 {
1580     // TODO
1581     //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1582     return false;
1583 }
1584
1585 // If the return values from and to are the same, there is no
1586 // selection.
1587 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1588 {
1589     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1590
1591     gint from = -1;
1592     gint to = -1;
1593     bool haveSelection = false;
1594
1595      if ( IsMultiLine() )
1596      {
1597          GtkTextIter ifrom, ito;
1598          if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1599          {
1600              haveSelection = true;
1601              from = gtk_text_iter_get_offset(&ifrom);
1602              to = gtk_text_iter_get_offset(&ito);
1603          }
1604      }
1605      else  // not multi-line
1606      {
1607          if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1608                                                  &from, &to) )
1609          {
1610              haveSelection = true;
1611          }
1612      }
1613
1614      if (! haveSelection )
1615           from = to = GetInsertionPoint();
1616
1617      if ( from > to )
1618      {
1619          // exchange them to be compatible with wxMSW
1620          gint tmp = from;
1621          from = to;
1622          to = tmp;
1623      }
1624
1625     if ( fromOut )
1626         *fromOut = from;
1627     if ( toOut )
1628         *toOut = to;
1629 }
1630
1631
1632 bool wxTextCtrl::IsEditable() const
1633 {
1634     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1635
1636     if ( IsMultiLine() )
1637     {
1638         return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1639     }
1640     else
1641     {
1642         return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1643     }
1644 }
1645
1646 bool wxTextCtrl::IsModified() const
1647 {
1648     return m_modified;
1649 }
1650
1651 void wxTextCtrl::Clear()
1652 {
1653     SetValue( wxEmptyString );
1654 }
1655
1656 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1657 {
1658     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1659
1660     if ( key_event.GetKeyCode() == WXK_RETURN )
1661     {
1662         if ( HasFlag(wxTE_PROCESS_ENTER) )
1663         {
1664             wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1665             event.SetEventObject(this);
1666             event.SetString(GetValue());
1667             if ( GetEventHandler()->ProcessEvent(event) )
1668                 return;
1669         }
1670
1671         // FIXME: this is not the right place to do it, wxDialog::OnCharHook()
1672         //        probably is
1673         if ( IsSingleLine() )
1674         {
1675             // This will invoke the dialog default action, such
1676             // as the clicking the default button.
1677
1678             wxWindow *top_frame = m_parent;
1679             while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1680                 top_frame = top_frame->GetParent();
1681
1682             if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1683             {
1684                 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1685
1686                 if (window->default_widget)
1687                 {
1688                     gtk_widget_activate (window->default_widget);
1689                     return;
1690                 }
1691             }
1692         }
1693     }
1694
1695     key_event.Skip();
1696 }
1697
1698 GtkWidget* wxTextCtrl::GetConnectWidget()
1699 {
1700     return GTK_WIDGET(m_text);
1701 }
1702
1703 GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
1704 {
1705     if ( IsMultiLine() )
1706     {
1707         return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1708                                         GTK_TEXT_WINDOW_TEXT );
1709     }
1710     else
1711     {
1712         return GTK_ENTRY(m_text)->text_area;
1713     }
1714 }
1715
1716 // the font will change for subsequent text insertiongs
1717 bool wxTextCtrl::SetFont( const wxFont &font )
1718 {
1719     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1720
1721     if ( !wxTextCtrlBase::SetFont(font) )
1722     {
1723         // font didn't change, nothing to do
1724         return false;
1725     }
1726
1727     if ( IsMultiLine() )
1728     {
1729         SetUpdateFont(true);
1730
1731         m_defaultStyle.SetFont(font);
1732
1733         ChangeFontGlobally();
1734     }
1735
1736     return true;
1737 }
1738
1739 void wxTextCtrl::ChangeFontGlobally()
1740 {
1741     // this method is very inefficient and hence should be called as rarely as
1742     // possible!
1743     //
1744     // TODO: it can be implemented much more efficiently for GTK2
1745     wxASSERT_MSG( IsMultiLine(),
1746                   _T("shouldn't be called for single line controls") );
1747
1748     wxString value = GetValue();
1749     if ( !value.empty() )
1750     {
1751         SetUpdateFont(false);
1752
1753         Clear();
1754         AppendText(value);
1755     }
1756 }
1757
1758 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1759 {
1760     if ( !wxControl::SetForegroundColour(colour) )
1761         return false;
1762
1763     // update default fg colour too
1764     m_defaultStyle.SetTextColour(colour);
1765
1766     return true;
1767 }
1768
1769 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1770 {
1771     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1772
1773     if ( !wxControl::SetBackgroundColour( colour ) )
1774         return false;
1775
1776     if (!m_backgroundColour.Ok())
1777         return false;
1778
1779     // change active background color too
1780     m_defaultStyle.SetBackgroundColour( colour );
1781
1782     return true;
1783 }
1784
1785 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1786 {
1787     if ( IsMultiLine() )
1788     {
1789         if ( style.IsDefault() )
1790         {
1791             // nothing to do
1792             return true;
1793         }
1794
1795         gint l = gtk_text_buffer_get_char_count( m_buffer );
1796
1797         wxCHECK_MSG( start >= 0 && end <= l, false,
1798                      _T("invalid range in wxTextCtrl::SetStyle") );
1799
1800         GtkTextIter starti, endi;
1801         gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1802         gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1803
1804         wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );
1805
1806         return true;
1807     }
1808     //else: single line text controls don't support styles
1809
1810     return false;
1811 }
1812
1813 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1814 {
1815     gtk_widget_modify_style(m_text, style);
1816 }
1817
1818 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1819 {
1820     Cut();
1821 }
1822
1823 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1824 {
1825     Copy();
1826 }
1827
1828 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1829 {
1830     Paste();
1831 }
1832
1833 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1834 {
1835     Undo();
1836 }
1837
1838 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1839 {
1840     Redo();
1841 }
1842
1843 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1844 {
1845     event.Enable( CanCut() );
1846 }
1847
1848 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1849 {
1850     event.Enable( CanCopy() );
1851 }
1852
1853 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1854 {
1855     event.Enable( CanPaste() );
1856 }
1857
1858 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1859 {
1860     event.Enable( CanUndo() );
1861 }
1862
1863 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1864 {
1865     event.Enable( CanRedo() );
1866 }
1867
1868 wxSize wxTextCtrl::DoGetBestSize() const
1869 {
1870     // FIXME should be different for multi-line controls...
1871     wxSize ret( wxControl::DoGetBestSize() );
1872     wxSize best(80, ret.y);
1873     CacheBestSize(best);
1874     return best;
1875 }
1876
1877 // ----------------------------------------------------------------------------
1878 // freeze/thaw
1879 // ----------------------------------------------------------------------------
1880
1881 void wxTextCtrl::Freeze()
1882 {
1883     wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
1884
1885     if ( HasFlag(wxTE_MULTILINE) )
1886     {
1887         if (m_freezeCount++ == 0)
1888         {
1889             // freeze textview updates and remove buffer
1890             g_signal_connect (m_text, "expose_event",
1891                               G_CALLBACK (gtk_text_exposed_callback), this);
1892             g_signal_connect (m_widget, "expose_event",
1893                               G_CALLBACK (gtk_text_exposed_callback), this);
1894             gtk_widget_set_sensitive(m_widget, false);
1895             g_object_ref(m_buffer);
1896             GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
1897             GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;
1898             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
1899             // gtk_text_view_set_buffer adds its own reference
1900             g_object_unref(buf_new);
1901             // This mark should be deleted when the buffer is changed,
1902             // but it's not (in GTK+ up to at least 2.10.6).
1903             // Otherwise these anonymous marks start to build up in the buffer,
1904             // and Freeze takes longer and longer each time it is called.
1905             if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
1906                 gtk_text_buffer_delete_mark(m_buffer, mark);
1907         }
1908     }
1909 }
1910
1911 void wxTextCtrl::Thaw()
1912 {
1913     if ( HasFlag(wxTE_MULTILINE) )
1914     {
1915         wxCHECK_RET(m_freezeCount != 0, _T("Thaw() without matching Freeze()"));
1916
1917         if (--m_freezeCount == 0)
1918         {
1919             // Reattach buffer and thaw textview updates
1920             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1921             g_object_unref(m_buffer);
1922             gtk_widget_set_sensitive(m_widget, true);
1923             g_signal_handlers_disconnect_by_func (m_widget,
1924                     (gpointer) gtk_text_exposed_callback, this);
1925             g_signal_handlers_disconnect_by_func (m_text,
1926                     (gpointer) gtk_text_exposed_callback, this);
1927             if (m_showPositionOnThaw != NULL)
1928             {
1929                 gtk_text_view_scroll_mark_onscreen(
1930                     GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
1931                 m_showPositionOnThaw = NULL;
1932             }
1933         }
1934     }
1935 }
1936
1937 // ----------------------------------------------------------------------------
1938 // wxTextUrlEvent passing if style & wxTE_AUTO_URL
1939 // ----------------------------------------------------------------------------
1940
1941 // FIXME: when dragging on a link the sample gets an "Unknown event".
1942 // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
1943 // a buggy sample, or something else
1944 void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
1945 {
1946     event.Skip();
1947     if( !HasFlag(wxTE_AUTO_URL) )
1948         return;
1949
1950     gint x, y;
1951     GtkTextIter start, end;
1952     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
1953                                                 "wxUrl");
1954
1955     gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
1956                                           event.GetX(), event.GetY(), &x, &y);
1957
1958     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
1959     if (!gtk_text_iter_has_tag(&end, tag))
1960     {
1961         gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1962                               GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
1963         return;
1964     }
1965
1966     gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1967                           GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
1968
1969     start = end;
1970     if(!gtk_text_iter_begins_tag(&start, tag))
1971         gtk_text_iter_backward_to_tag_toggle(&start, tag);
1972     if(!gtk_text_iter_ends_tag(&end, tag))
1973         gtk_text_iter_forward_to_tag_toggle(&end, tag);
1974
1975     // Native context menu is probably not desired on an URL.
1976     // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
1977     if(event.GetEventType() == wxEVT_RIGHT_DOWN)
1978         event.Skip(false);
1979
1980     wxTextUrlEvent url_event(m_windowId, event,
1981                              gtk_text_iter_get_offset(&start),
1982                              gtk_text_iter_get_offset(&end));
1983
1984     InitCommandEvent(url_event);
1985     // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
1986     //event.Skip(!GetEventHandler()->ProcessEvent(url_event));
1987     GetEventHandler()->ProcessEvent(url_event);
1988 }
1989
1990 bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
1991 {
1992     bool rc = wxTextCtrlBase::GTKProcessEvent(event);
1993
1994     // GtkTextView starts a drag operation when left mouse button is pressed
1995     // and ends it when it is released and if it doesn't get the release event
1996     // the next click on a control results in an assertion failure inside
1997     // gtk_text_view_start_selection_drag() which simply *kills* the program
1998     // without anything we can do about it, so always let GTK+ have this event
1999     return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
2000 }
2001
2002 // static
2003 wxVisualAttributes
2004 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
2005 {
2006     return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
2007 }