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     const wxCharBuffer buffer(wxGTK_CONV_ENC(value, GetTextEncoding()));
1007     if ( !buffer )
1008     {
1009         // see comment in WriteText() as to why we must warn the user about
1010         // this
1011         wxLogWarning(_("Failed to set text in the text control."));
1012         return;
1013     }
1014
1015     // if the control is not empty, two "changed" signals are emitted,
1016     // otherwise only one and we need to ignore either both or one of them
1017     int ignore = flags & SetValue_SendEvent ? 0 : 1;
1018     if ( !IsEmpty() )
1019         ignore++;
1020
1021     if ( ignore )
1022         IgnoreNextTextUpdate(ignore);
1023
1024     if ( IsMultiLine() )
1025     {
1026         gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
1027     }
1028     else // single line
1029     {
1030         gtk_entry_set_text( GTK_ENTRY(m_text), buffer );
1031     }
1032
1033     // if, for whatever reason, the callback wasn't called the expected number
1034     // of times, still reset the flags to the default values
1035     m_dontMarkDirty = false;
1036     m_countUpdatesToIgnore = 0;
1037
1038
1039     // GRG, Jun/2000: Changed this after a lot of discussion in
1040     //   the lists. wxWidgets 2.2 will have a set of flags to
1041     //   customize this behaviour.
1042     SetInsertionPoint(0);
1043 }
1044
1045 void wxTextCtrl::WriteText( const wxString &text )
1046 {
1047     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1048
1049     if ( text.empty() )
1050         return;
1051
1052     // check if we have a specific style for the current position
1053     wxFontEncoding enc = wxFONTENCODING_SYSTEM;
1054     wxTextAttr style;
1055     if ( GetStyle(GetInsertionPoint(), style) && style.HasFont() )
1056     {
1057         enc = style.GetFont().GetEncoding();
1058     }
1059
1060     if ( enc == wxFONTENCODING_SYSTEM )
1061         enc = GetTextEncoding();
1062
1063     const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc));
1064     if ( !buffer )
1065     {
1066         // we must log an error here as losing the text like this can be a
1067         // serious problem (e.g. imagine the document edited by user being
1068         // empty instead of containing the correct text)
1069         wxLogWarning(_("Failed to insert text in the control."));
1070         return;
1071     }
1072
1073     // we're changing the text programmatically
1074     DontMarkDirtyOnNextChange();
1075
1076     if ( IsMultiLine() )
1077     {
1078         // First remove the selection if there is one
1079         // TODO:  Is there an easier GTK specific way to do this?
1080         long from, to;
1081         GetSelection(&from, &to);
1082         if (from != to)
1083             Remove(from, to);
1084
1085         // Insert the text
1086         wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
1087
1088         GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
1089         // Scroll to cursor, but only if scrollbar thumb is at the very bottom
1090         // won't work when frozen, text view is not using m_buffer then
1091         if (!IsFrozen() && wxIsSameDouble(adj->value, adj->upper - adj->page_size))
1092         {
1093             gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
1094                     gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
1095         }
1096     }
1097     else // single line
1098     {
1099         // First remove the selection if there is one
1100         gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
1101
1102         // This moves the cursor pos to behind the inserted text.
1103         gint len = gtk_editable_get_position(GTK_EDITABLE(m_text));
1104
1105         gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
1106
1107         // Bring entry's cursor uptodate.
1108         gtk_editable_set_position( GTK_EDITABLE(m_text), len );
1109     }
1110 }
1111
1112 void wxTextCtrl::AppendText( const wxString &text )
1113 {
1114     SetInsertionPointEnd();
1115     WriteText( text );
1116 }
1117
1118 wxString wxTextCtrl::GetLineText( long lineNo ) const
1119 {
1120     wxString result;
1121     if ( IsMultiLine() )
1122     {
1123         GtkTextIter line;
1124         gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1125         GtkTextIter end = line;
1126         gtk_text_iter_forward_to_line_end(&end);
1127         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
1128         result = wxGTK_CONV_BACK(text);
1129     }
1130     else
1131     {
1132         if (lineNo == 0)
1133             result = GetValue();
1134     }
1135     return result;
1136 }
1137
1138 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1139 {
1140   /* If you implement this, don't forget to update the documentation!
1141    * (file docs/latex/wx/text.tex) */
1142     wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1143 }
1144
1145 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1146 {
1147     if ( IsMultiLine() )
1148     {
1149         GtkTextIter iter;
1150
1151         if (pos > GetLastPosition())
1152             return false;
1153
1154         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1155
1156         if ( y )
1157             *y = gtk_text_iter_get_line(&iter);
1158         if ( x )
1159             *x = gtk_text_iter_get_line_offset(&iter);
1160     }
1161     else // single line control
1162     {
1163         if ( pos <= GTK_ENTRY(m_text)->text_length )
1164         {
1165             if ( y )
1166                 *y = 0;
1167             if ( x )
1168                 *x = pos;
1169         }
1170         else
1171         {
1172             // index out of bounds
1173             return false;
1174         }
1175     }
1176
1177     return true;
1178 }
1179
1180 long wxTextCtrl::XYToPosition(long x, long y ) const
1181 {
1182     if ( IsSingleLine() )
1183         return 0;
1184
1185     GtkTextIter iter;
1186     if (y >= gtk_text_buffer_get_line_count (m_buffer))
1187         return -1;
1188
1189     gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y);
1190     if (x >= gtk_text_iter_get_chars_in_line (&iter))
1191         return -1;
1192
1193     return gtk_text_iter_get_offset(&iter) + x;
1194 }
1195
1196 int wxTextCtrl::GetLineLength(long lineNo) const
1197 {
1198     if ( IsMultiLine() )
1199     {
1200         int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1201         if (lineNo > last_line)
1202             return -1;
1203
1204         GtkTextIter iter;
1205         gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1206         // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1207         return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1208     }
1209     else
1210     {
1211         wxString str = GetLineText (lineNo);
1212         return (int) str.length();
1213     }
1214 }
1215
1216 int wxTextCtrl::GetNumberOfLines() const
1217 {
1218     if ( IsMultiLine() )
1219     {
1220         return gtk_text_buffer_get_line_count( m_buffer );
1221     }
1222     else // single line
1223     {
1224         return 1;
1225     }
1226 }
1227
1228 void wxTextCtrl::SetInsertionPoint( long pos )
1229 {
1230     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1231
1232     if ( IsMultiLine() )
1233     {
1234         GtkTextIter iter;
1235         gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1236         gtk_text_buffer_place_cursor( m_buffer, &iter );
1237         GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
1238         if (IsFrozen())
1239             // defer until Thaw, text view is not using m_buffer now
1240             m_showPositionOnThaw = mark;
1241         else
1242             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1243     }
1244     else
1245     {
1246         // FIXME: Is the editable's cursor really uptodate without double set_position in GTK2?
1247         gtk_editable_set_position(GTK_EDITABLE(m_text), int(pos));
1248     }
1249 }
1250
1251 void wxTextCtrl::SetInsertionPointEnd()
1252 {
1253     SetInsertionPoint(-1);
1254 }
1255
1256 void wxTextCtrl::SetEditable( bool editable )
1257 {
1258     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1259
1260     if ( IsMultiLine() )
1261     {
1262         gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1263     }
1264     else
1265     {
1266         gtk_editable_set_editable( GTK_EDITABLE(m_text), editable );
1267     }
1268 }
1269
1270 bool wxTextCtrl::Enable( bool enable )
1271 {
1272     if (!wxWindowBase::Enable(enable))
1273     {
1274         // nothing to do
1275         return false;
1276     }
1277
1278     if ( IsMultiLine() )
1279     {
1280         SetEditable( enable );
1281     }
1282     else
1283     {
1284         gtk_widget_set_sensitive( m_text, enable );
1285     }
1286
1287     return true;
1288 }
1289
1290 // wxGTK-specific: called recursively by Enable,
1291 // to give widgets an oppprtunity to correct their colours after they
1292 // have been changed by Enable
1293 void wxTextCtrl::OnParentEnable( bool enable )
1294 {
1295     // If we have a custom background colour, we use this colour in both
1296     // disabled and enabled mode, or we end up with a different colour under the
1297     // text.
1298     wxColour oldColour = GetBackgroundColour();
1299     if (oldColour.Ok())
1300     {
1301         // Need to set twice or it'll optimize the useful stuff out
1302         if (oldColour == * wxWHITE)
1303             SetBackgroundColour(*wxBLACK);
1304         else
1305             SetBackgroundColour(*wxWHITE);
1306         SetBackgroundColour(oldColour);
1307     }
1308 }
1309
1310 void wxTextCtrl::MarkDirty()
1311 {
1312     m_modified = true;
1313 }
1314
1315 void wxTextCtrl::DiscardEdits()
1316 {
1317     m_modified = false;
1318 }
1319
1320 // ----------------------------------------------------------------------------
1321 // max text length support
1322 // ----------------------------------------------------------------------------
1323
1324 bool wxTextCtrl::IgnoreTextUpdate()
1325 {
1326     if ( m_countUpdatesToIgnore > 0 )
1327     {
1328         m_countUpdatesToIgnore--;
1329
1330         return true;
1331     }
1332
1333     return false;
1334 }
1335
1336 bool wxTextCtrl::MarkDirtyOnChange()
1337 {
1338     if ( m_dontMarkDirty )
1339     {
1340         m_dontMarkDirty = false;
1341
1342         return false;
1343     }
1344
1345     return true;
1346 }
1347
1348 void wxTextCtrl::SetMaxLength(unsigned long len)
1349 {
1350     if ( !HasFlag(wxTE_MULTILINE) )
1351     {
1352         gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
1353
1354         // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
1355         // we had tried to enter more text than allowed by max text length and
1356         // the text wasn't really changed
1357         //
1358         // to detect this and generate TEXT_MAXLEN event instead of
1359         // TEXT_CHANGED one in this case we also catch "insert_text" signal
1360         //
1361         // when max len is set to 0 we disconnect our handler as it means that
1362         // we shouldn't check anything any more
1363         if ( len )
1364         {
1365             g_signal_connect (m_text, "insert_text",
1366                               G_CALLBACK (gtk_insert_text_callback), this);
1367         }
1368         else // no checking
1369         {
1370             g_signal_handlers_disconnect_by_func (m_text,
1371                     (gpointer) gtk_insert_text_callback, this);
1372         }
1373     }
1374 }
1375
1376 void wxTextCtrl::SetSelection( long from, long to )
1377 {
1378     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1379
1380     if (from == -1 && to == -1)
1381     {
1382         from = 0;
1383         to = GetValue().length();
1384     }
1385
1386     if ( IsMultiLine() )
1387     {
1388         GtkTextIter fromi, toi;
1389         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1390         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1391
1392         gtk_text_buffer_place_cursor( m_buffer, &toi );
1393         gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1394     }
1395     else
1396     {
1397         gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1398     }
1399 }
1400
1401 void wxTextCtrl::ShowPosition( long pos )
1402 {
1403     if (IsMultiLine())
1404     {
1405         GtkTextIter iter;
1406         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
1407         GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
1408         gtk_text_buffer_move_mark(m_buffer, mark, &iter);
1409         if (IsFrozen())
1410             // defer until Thaw, text view is not using m_buffer now
1411             m_showPositionOnThaw = mark;
1412         else
1413             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1414     }
1415 }
1416
1417 wxTextCtrlHitTestResult
1418 wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1419 {
1420     if ( !IsMultiLine() )
1421     {
1422         // not supported
1423         return wxTE_HT_UNKNOWN;
1424     }
1425
1426     int x, y;
1427     gtk_text_view_window_to_buffer_coords
1428     (
1429         GTK_TEXT_VIEW(m_text),
1430         GTK_TEXT_WINDOW_TEXT,
1431         pt.x, pt.y,
1432         &x, &y
1433     );
1434
1435     GtkTextIter iter;
1436     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1437     if ( pos )
1438         *pos = gtk_text_iter_get_offset(&iter);
1439
1440     return wxTE_HT_ON_TEXT;
1441 }
1442
1443 long wxTextCtrl::GetInsertionPoint() const
1444 {
1445     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1446
1447     if ( IsMultiLine() )
1448     {
1449         // There is no direct accessor for the cursor, but
1450         // internally, the cursor is the "mark" called
1451         // "insert" in the text view's btree structure.
1452
1453         GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1454         GtkTextIter cursor;
1455         gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1456
1457         return gtk_text_iter_get_offset( &cursor );
1458     }
1459     else
1460     {
1461         return (long) gtk_editable_get_position(GTK_EDITABLE(m_text));
1462     }
1463 }
1464
1465 wxTextPos wxTextCtrl::GetLastPosition() const
1466 {
1467     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1468
1469     int pos = 0;
1470
1471     if ( IsMultiLine() )
1472     {
1473         GtkTextIter end;
1474         gtk_text_buffer_get_end_iter( m_buffer, &end );
1475
1476         pos = gtk_text_iter_get_offset( &end );
1477     }
1478     else
1479     {
1480         pos = GTK_ENTRY(m_text)->text_length;
1481     }
1482
1483     return (long)pos;
1484 }
1485
1486 void wxTextCtrl::Remove( long from, long to )
1487 {
1488     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1489
1490     if ( IsMultiLine() )
1491     {
1492         GtkTextIter fromi, toi;
1493         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1494         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1495
1496         gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1497     }
1498     else // single line
1499         gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1500 }
1501
1502 void wxTextCtrl::Replace( long from, long to, const wxString &value )
1503 {
1504     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1505
1506     Remove( from, to );
1507
1508     if (!value.empty())
1509     {
1510         SetInsertionPoint( from );
1511         WriteText( value );
1512     }
1513 }
1514
1515 void wxTextCtrl::Cut()
1516 {
1517     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1518
1519     if ( IsMultiLine() )
1520         g_signal_emit_by_name (m_text, "cut-clipboard");
1521     else
1522         gtk_editable_cut_clipboard(GTK_EDITABLE(m_text));
1523 }
1524
1525 void wxTextCtrl::Copy()
1526 {
1527     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1528
1529     if ( IsMultiLine() )
1530         g_signal_emit_by_name (m_text, "copy-clipboard");
1531     else
1532         gtk_editable_copy_clipboard(GTK_EDITABLE(m_text));
1533 }
1534
1535 void wxTextCtrl::Paste()
1536 {
1537     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1538
1539     if ( IsMultiLine() )
1540         g_signal_emit_by_name (m_text, "paste-clipboard");
1541     else
1542         gtk_editable_paste_clipboard(GTK_EDITABLE(m_text));
1543 }
1544
1545 // Undo/redo
1546 void wxTextCtrl::Undo()
1547 {
1548     // TODO
1549     wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1550 }
1551
1552 void wxTextCtrl::Redo()
1553 {
1554     // TODO
1555     wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1556 }
1557
1558 bool wxTextCtrl::CanUndo() const
1559 {
1560     // TODO
1561     //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1562     return false;
1563 }
1564
1565 bool wxTextCtrl::CanRedo() const
1566 {
1567     // TODO
1568     //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1569     return false;
1570 }
1571
1572 // If the return values from and to are the same, there is no
1573 // selection.
1574 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1575 {
1576     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1577
1578     gint from = -1;
1579     gint to = -1;
1580     bool haveSelection = false;
1581
1582      if ( IsMultiLine() )
1583      {
1584          GtkTextIter ifrom, ito;
1585          if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1586          {
1587              haveSelection = true;
1588              from = gtk_text_iter_get_offset(&ifrom);
1589              to = gtk_text_iter_get_offset(&ito);
1590          }
1591      }
1592      else  // not multi-line
1593      {
1594          if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1595                                                  &from, &to) )
1596          {
1597              haveSelection = true;
1598          }
1599      }
1600
1601      if (! haveSelection )
1602           from = to = GetInsertionPoint();
1603
1604      if ( from > to )
1605      {
1606          // exchange them to be compatible with wxMSW
1607          gint tmp = from;
1608          from = to;
1609          to = tmp;
1610      }
1611
1612     if ( fromOut )
1613         *fromOut = from;
1614     if ( toOut )
1615         *toOut = to;
1616 }
1617
1618
1619 bool wxTextCtrl::IsEditable() const
1620 {
1621     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1622
1623     if ( IsMultiLine() )
1624     {
1625         return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1626     }
1627     else
1628     {
1629         return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1630     }
1631 }
1632
1633 bool wxTextCtrl::IsModified() const
1634 {
1635     return m_modified;
1636 }
1637
1638 void wxTextCtrl::Clear()
1639 {
1640     SetValue( wxEmptyString );
1641 }
1642
1643 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1644 {
1645     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1646
1647     if ( key_event.GetKeyCode() == WXK_RETURN )
1648     {
1649         if ( HasFlag(wxTE_PROCESS_ENTER) )
1650         {
1651             wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1652             event.SetEventObject(this);
1653             event.SetString(GetValue());
1654             if ( GetEventHandler()->ProcessEvent(event) )
1655                 return;
1656         }
1657
1658         // FIXME: this is not the right place to do it, wxDialog::OnCharHook()
1659         //        probably is
1660         if ( IsSingleLine() )
1661         {
1662             // This will invoke the dialog default action, such
1663             // as the clicking the default button.
1664
1665             wxWindow *top_frame = m_parent;
1666             while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1667                 top_frame = top_frame->GetParent();
1668
1669             if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1670             {
1671                 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1672
1673                 if (window->default_widget)
1674                 {
1675                     gtk_widget_activate (window->default_widget);
1676                     return;
1677                 }
1678             }
1679         }
1680     }
1681
1682     key_event.Skip();
1683 }
1684
1685 GtkWidget* wxTextCtrl::GetConnectWidget()
1686 {
1687     return GTK_WIDGET(m_text);
1688 }
1689
1690 GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
1691 {
1692     if ( IsMultiLine() )
1693     {
1694         return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1695                                         GTK_TEXT_WINDOW_TEXT );
1696     }
1697     else
1698     {
1699         return GTK_ENTRY(m_text)->text_area;
1700     }
1701 }
1702
1703 // the font will change for subsequent text insertiongs
1704 bool wxTextCtrl::SetFont( const wxFont &font )
1705 {
1706     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1707
1708     if ( !wxTextCtrlBase::SetFont(font) )
1709     {
1710         // font didn't change, nothing to do
1711         return false;
1712     }
1713
1714     if ( IsMultiLine() )
1715     {
1716         SetUpdateFont(true);
1717
1718         m_defaultStyle.SetFont(font);
1719
1720         ChangeFontGlobally();
1721     }
1722
1723     return true;
1724 }
1725
1726 void wxTextCtrl::ChangeFontGlobally()
1727 {
1728     // this method is very inefficient and hence should be called as rarely as
1729     // possible!
1730     //
1731     // TODO: it can be implemented much more efficiently for GTK2
1732     wxASSERT_MSG( IsMultiLine(),
1733                   _T("shouldn't be called for single line controls") );
1734
1735     wxString value = GetValue();
1736     if ( !value.empty() )
1737     {
1738         SetUpdateFont(false);
1739
1740         Clear();
1741         AppendText(value);
1742     }
1743 }
1744
1745 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1746 {
1747     if ( !wxControl::SetForegroundColour(colour) )
1748         return false;
1749
1750     // update default fg colour too
1751     m_defaultStyle.SetTextColour(colour);
1752
1753     return true;
1754 }
1755
1756 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1757 {
1758     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1759
1760     if ( !wxControl::SetBackgroundColour( colour ) )
1761         return false;
1762
1763     if (!m_backgroundColour.Ok())
1764         return false;
1765
1766     // change active background color too
1767     m_defaultStyle.SetBackgroundColour( colour );
1768
1769     return true;
1770 }
1771
1772 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1773 {
1774     if ( IsMultiLine() )
1775     {
1776         if ( style.IsDefault() )
1777         {
1778             // nothing to do
1779             return true;
1780         }
1781
1782         gint l = gtk_text_buffer_get_char_count( m_buffer );
1783
1784         wxCHECK_MSG( start >= 0 && end <= l, false,
1785                      _T("invalid range in wxTextCtrl::SetStyle") );
1786
1787         GtkTextIter starti, endi;
1788         gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1789         gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1790
1791         // use the attributes from style which are set in it and fall back
1792         // first to the default style and then to the text control default
1793         // colours for the others
1794         wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this);
1795
1796         wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, attr, &starti, &endi );
1797
1798         return true;
1799     }
1800
1801     // else single line
1802     // cannot do this for GTK+'s Entry widget
1803     return false;
1804 }
1805
1806 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1807 {
1808     gtk_widget_modify_style(m_text, style);
1809 }
1810
1811 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1812 {
1813     Cut();
1814 }
1815
1816 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1817 {
1818     Copy();
1819 }
1820
1821 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1822 {
1823     Paste();
1824 }
1825
1826 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1827 {
1828     Undo();
1829 }
1830
1831 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1832 {
1833     Redo();
1834 }
1835
1836 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1837 {
1838     event.Enable( CanCut() );
1839 }
1840
1841 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1842 {
1843     event.Enable( CanCopy() );
1844 }
1845
1846 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1847 {
1848     event.Enable( CanPaste() );
1849 }
1850
1851 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1852 {
1853     event.Enable( CanUndo() );
1854 }
1855
1856 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1857 {
1858     event.Enable( CanRedo() );
1859 }
1860
1861 wxSize wxTextCtrl::DoGetBestSize() const
1862 {
1863     // FIXME should be different for multi-line controls...
1864     wxSize ret( wxControl::DoGetBestSize() );
1865     wxSize best(80, ret.y);
1866     CacheBestSize(best);
1867     return best;
1868 }
1869
1870 // ----------------------------------------------------------------------------
1871 // freeze/thaw
1872 // ----------------------------------------------------------------------------
1873
1874 void wxTextCtrl::Freeze()
1875 {
1876     wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
1877
1878     if ( HasFlag(wxTE_MULTILINE) )
1879     {
1880         if (m_freezeCount++ == 0)
1881         {
1882             // freeze textview updates and remove buffer
1883             g_signal_connect (m_text, "expose_event",
1884                               G_CALLBACK (gtk_text_exposed_callback), this);
1885             g_signal_connect (m_widget, "expose_event",
1886                               G_CALLBACK (gtk_text_exposed_callback), this);
1887             gtk_widget_set_sensitive(m_widget, false);
1888             g_object_ref(m_buffer);
1889             GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
1890             GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;
1891             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
1892             // gtk_text_view_set_buffer adds its own reference
1893             g_object_unref(buf_new);
1894             // This mark should be deleted when the buffer is changed,
1895             // but it's not (in GTK+ up to at least 2.10.6).
1896             // Otherwise these anonymous marks start to build up in the buffer,
1897             // and Freeze takes longer and longer each time it is called.
1898             if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
1899                 gtk_text_buffer_delete_mark(m_buffer, mark);
1900         }
1901     }
1902 }
1903
1904 void wxTextCtrl::Thaw()
1905 {
1906     if ( HasFlag(wxTE_MULTILINE) )
1907     {
1908         wxCHECK_RET(m_freezeCount != 0, _T("Thaw() without matching Freeze()"));
1909
1910         if (--m_freezeCount == 0)
1911         {
1912             // Reattach buffer and thaw textview updates
1913             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1914             g_object_unref(m_buffer);
1915             gtk_widget_set_sensitive(m_widget, true);
1916             g_signal_handlers_disconnect_by_func (m_widget,
1917                     (gpointer) gtk_text_exposed_callback, this);
1918             g_signal_handlers_disconnect_by_func (m_text,
1919                     (gpointer) gtk_text_exposed_callback, this);
1920             if (m_showPositionOnThaw != NULL)
1921             {
1922                 gtk_text_view_scroll_mark_onscreen(
1923                     GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
1924                 m_showPositionOnThaw = NULL;
1925             }
1926         }
1927     }
1928 }
1929
1930 // ----------------------------------------------------------------------------
1931 // wxTextUrlEvent passing if style & wxTE_AUTO_URL
1932 // ----------------------------------------------------------------------------
1933
1934 // FIXME: when dragging on a link the sample gets an "Unknown event".
1935 // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
1936 // a buggy sample, or something else
1937 void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
1938 {
1939     event.Skip();
1940     if( !HasFlag(wxTE_AUTO_URL) )
1941         return;
1942
1943     gint x, y;
1944     GtkTextIter start, end;
1945     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
1946                                                 "wxUrl");
1947
1948     gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
1949                                           event.GetX(), event.GetY(), &x, &y);
1950
1951     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
1952     if (!gtk_text_iter_has_tag(&end, tag))
1953     {
1954         gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1955                               GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
1956         return;
1957     }
1958
1959     gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1960                           GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
1961
1962     start = end;
1963     if(!gtk_text_iter_begins_tag(&start, tag))
1964         gtk_text_iter_backward_to_tag_toggle(&start, tag);
1965     if(!gtk_text_iter_ends_tag(&end, tag))
1966         gtk_text_iter_forward_to_tag_toggle(&end, tag);
1967
1968     // Native context menu is probably not desired on an URL.
1969     // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
1970     if(event.GetEventType() == wxEVT_RIGHT_DOWN)
1971         event.Skip(false);
1972
1973     wxTextUrlEvent url_event(m_windowId, event,
1974                              gtk_text_iter_get_offset(&start),
1975                              gtk_text_iter_get_offset(&end));
1976
1977     InitCommandEvent(url_event);
1978     // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
1979     //event.Skip(!GetEventHandler()->ProcessEvent(url_event));
1980     GetEventHandler()->ProcessEvent(url_event);
1981 }
1982
1983 bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
1984 {
1985     bool rc = wxTextCtrlBase::GTKProcessEvent(event);
1986
1987     // GtkTextView starts a drag operation when left mouse button is pressed
1988     // and ends it when it is released and if it doesn't get the release event
1989     // the next click on a control results in an assertion failure inside
1990     // gtk_text_view_start_selection_drag() which simply *kills* the program
1991     // without anything we can do about it, so always let GTK+ have this event
1992     return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
1993 }
1994
1995 // static
1996 wxVisualAttributes
1997 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1998 {
1999     return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
2000 }