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 before gtk+-2.11.0 with pango-1.17 being available
 163 // (but if new enough pango isn't available it's a mere gtk warning)
 164 #if GTK_CHECK_VERSION(2,11,0)
 165             case wxTEXT_ALIGNMENT_JUSTIFIED:
 166                 if (!gtk_check_version(2,11,0))
 167                     align = GTK_JUSTIFY_FILL;
 168                 else
 169                     align = GTK_JUSTIFY_LEFT;
 170                 break;
 171 #endif
 172         }
 173
 174         g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align);
 175         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 176                                          buf );
 177         if (!tag)
 178             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 179                                               "justification", align, NULL );
 180         gtk_text_buffer_apply_tag( text_buffer, tag, &para_start, &para_end );
 181     }
 182
 183     if (attr.HasLeftIndent())
 184     {
 185         // Indentation attribute
 186
 187         // Clear old indentation tags
 188         GtkTextIter para_start, para_end = *end;
 189         gtk_text_buffer_get_iter_at_line( text_buffer,
 190                                           &para_start,
 191                                           gtk_text_iter_get_line(start) );
 192         gtk_text_iter_forward_line(&para_end);
 193
 194         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", start, end);
 195
 196         // Convert indent from 1/10th of a mm into pixels
 197         float factor;
 198 #if GTK_CHECK_VERSION(2,2,0)
 199         if (!gtk_check_version(2,2,0))
 200             factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
 201                       gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
 202         else
 203 #endif
 204             factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
 205
 206         const int indent = (int)(factor * attr.GetLeftIndent());
 207         const int subIndent = (int)(factor * attr.GetLeftSubIndent());
 208
 209         gint gindent;
 210         gint gsubindent;
 211
 212         if (subIndent >= 0)
 213         {
 214             gindent = indent;
 215             gsubindent = -subIndent;
 216         }
 217         else
 218         {
 219             gindent = -subIndent;
 220             gsubindent = indent;
 221         }
 222
 223         g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent);
 224         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 225                                         buf );
 226         if (!tag)
 227             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 228                                               "left-margin", gindent, "indent", gsubindent, NULL );
 229         gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
 230     }
 231
 232     if (attr.HasTabs())
 233     {
 234         // Set tab stops
 235
 236         // Clear old tabs
 237         GtkTextIter para_start, para_end = *end;
 238         gtk_text_buffer_get_iter_at_line( text_buffer,
 239                                           &para_start,
 240                                           gtk_text_iter_get_line(start) );
 241         gtk_text_iter_forward_line(&para_end);
 242
 243         wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", start, end);
 244
 245         const wxArrayInt& tabs = attr.GetTabs();
 246
 247         wxString tagname = _T("WXTABS");
 248         g_snprintf(buf, sizeof(buf), "WXTABS");
 249         for (size_t i = 0; i < tabs.GetCount(); i++)
 250             tagname += wxString::Format(_T(" %d"), tabs[i]);
 251
 252         const wxWX2MBbuf buf = tagname.mb_str(wxConvUTF8);
 253
 254         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
 255                                         buf );
 256         if (!tag)
 257         {
 258             // Factor to convert from 1/10th of a mm into pixels
 259             float factor;
 260 #if GTK_CHECK_VERSION(2,2,0)
 261             if (!gtk_check_version(2,2,0))
 262                 factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
 263                           gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
 264             else
 265 #endif
 266                 factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
 267
 268             PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE);
 269             for (size_t i = 0; i < tabs.GetCount(); i++)
 270                 pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor));
 271             tag = gtk_text_buffer_create_tag( text_buffer, buf,
 272                                               "tabs", tabArray, NULL );
 273             pango_tab_array_free(tabArray);
 274         }
 275         gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
 276     }
 277 }
 278
 279 static void wxGtkTextInsert(GtkWidget *text,
 280                             GtkTextBuffer *text_buffer,
 281                             const wxTextAttr& attr,
 282                             const wxCharBuffer& buffer)
 283
 284 {
 285     gint start_offset;
 286     GtkTextIter iter, start;
 287
 288     gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
 289                                      gtk_text_buffer_get_insert (text_buffer) );
 290     start_offset = gtk_text_iter_get_offset (&iter);
 291     gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) );
 292
 293     gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
 294
 295     wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
 296 }
 297
 298 // ----------------------------------------------------------------------------
 299 // "insert_text" for GtkEntry
 300 // ----------------------------------------------------------------------------
 301
 302 extern "C" {
 303 static void
 304 gtk_insert_text_callback(GtkEditable *editable,
 305                          const gchar *new_text,
 306                          gint new_text_length,
 307                          gint *position,
 308                          wxTextCtrl *win)
 309 {
 310     // we should only be called if we have a max len limit at all
 311     GtkEntry *entry = GTK_ENTRY (editable);
 312
 313     wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") );
 314
 315     // check that we don't overflow the max length limit
 316     //
 317     // FIXME: this doesn't work when we paste a string which is going to be
 318     //        truncated
 319     if ( entry->text_length == entry->text_max_length )
 320     {
 321         // we don't need to run the base class version at all
 322         g_signal_stop_emission_by_name (editable, "insert_text");
 323
 324         // remember that the next changed signal is to be ignored to avoid
 325         // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
 326         win->IgnoreNextTextUpdate();
 327
 328         // and generate the correct one ourselves
 329         wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
 330         event.SetEventObject(win);
 331         event.SetString(win->GetValue());
 332         win->GetEventHandler()->ProcessEvent( event );
 333     }
 334 }
 335 }
 336
 337 // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
 338
 339 extern "C" {
 340 static void
 341 au_apply_tag_callback(GtkTextBuffer *buffer,
 342                       GtkTextTag *tag,
 343                       GtkTextIter *start,
 344                       GtkTextIter *end,
 345                       gpointer textctrl)
 346 {
 347     if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
 348         g_signal_stop_emission_by_name (buffer, "apply_tag");
 349 }
 350 }
 351
 352 //-----------------------------------------------------------------------------
 353 //  GtkTextCharPredicates for gtk_text_iter_*_find_char
 354 //-----------------------------------------------------------------------------
 355
 356 extern "C" {
 357 static gboolean
 358 pred_whitespace (gunichar ch, gpointer user_data)
 359 {
 360     return g_unichar_isspace(ch);
 361 }
 362 }
 363
 364 extern "C" {
 365 static gboolean
 366 pred_non_whitespace (gunichar ch, gpointer user_data)
 367 {
 368     return !g_unichar_isspace(ch);
 369 }
 370 }
 371
 372 extern "C" {
 373 static gboolean
 374 pred_nonpunct (gunichar ch, gpointer user_data)
 375 {
 376     return !g_unichar_ispunct(ch);
 377 }
 378 }
 379
 380 extern "C" {
 381 static gboolean
 382 pred_nonpunct_or_slash (gunichar ch, gpointer user_data)
 383 {
 384     return !g_unichar_ispunct(ch) || ch == '/';
 385 }
 386 }
 387
 388 //-----------------------------------------------------------------------------
 389 //  Check for links between s and e and correct tags as necessary
 390 //-----------------------------------------------------------------------------
 391
 392 // This function should be made match better while being efficient at one point.
 393 // Most probably with a row of regular expressions.
 394 extern "C" {
 395 static void
 396 au_check_word( GtkTextIter *s, GtkTextIter *e )
 397 {
 398     static const char *URIPrefixes[] =
 399     {
 400         "http://",
 401         "ftp://",
 402         "www.",
 403         "ftp.",
 404         "mailto://",
 405         "https://",
 406         "file://",
 407         "nntp://",
 408         "news://",
 409         "telnet://",
 410         "mms://",
 411         "gopher://",
 412         "prospero://",
 413         "wais://",
 414     };
 415
 416     GtkTextIter start = *s, end = *e;
 417     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 418
 419     // Get our special link tag
 420     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 421
 422     // Get rid of punctuation from beginning and end.
 423     // Might want to move this to au_check_range if an improved link checking doesn't
 424     // use some intelligent punctuation checking itself (beware of undesired iter modifications).
 425     if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
 426         gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
 427
 428     gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
 429     gtk_text_iter_forward_char(&end);
 430
 431     wxGtkString text(gtk_text_iter_get_text( &start, &end ));
 432     size_t len = strlen(text), prefix_len;
 433     size_t n;
 434
 435     for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
 436     {
 437         prefix_len = strlen(URIPrefixes[n]);
 438         if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
 439             break;
 440     }
 441
 442     if(n < WXSIZEOF(URIPrefixes))
 443     {
 444         gulong signal_id = g_signal_handler_find (buffer,
 445                                                   (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
 446                                                   0, 0, NULL,
 447                                                   (gpointer)au_apply_tag_callback, NULL);
 448
 449         g_signal_handler_block (buffer, signal_id);
 450         gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
 451         g_signal_handler_unblock (buffer, signal_id);
 452     }
 453 }
 454 }
 455
 456 extern "C" {
 457 static void
 458 au_check_range(GtkTextIter *s,
 459                GtkTextIter *range_end)
 460 {
 461     GtkTextIter range_start = *s;
 462     GtkTextIter word_end;
 463     GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
 464     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
 465
 466     gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
 467
 468     if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
 469         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 470
 471     while(!gtk_text_iter_equal(&range_start, range_end))
 472     {
 473         word_end = range_start;
 474         gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
 475
 476         // Now we should have a word delimited by range_start and word_end, correct link tags
 477         au_check_word(&range_start, &word_end);
 478
 479         range_start = word_end;
 480         gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
 481     }
 482 }
 483 }
 484
 485 //-----------------------------------------------------------------------------
 486 //  "insert-text" for GtkTextBuffer
 487 //-----------------------------------------------------------------------------
 488
 489 extern "C" {
 490 static void
 491 au_insert_text_callback(GtkTextBuffer *buffer,
 492                         GtkTextIter *end,
 493                         gchar *text,
 494                         gint len,
 495                         wxTextCtrl *win)
 496 {
 497     if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 498         return;
 499
 500     GtkTextIter start = *end;
 501     gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
 502
 503     GtkTextIter line_start = start;
 504     GtkTextIter line_end = *end;
 505     GtkTextIter words_start = start;
 506     GtkTextIter words_end = *end;
 507
 508     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
 509     gtk_text_iter_forward_to_line_end(&line_end);
 510     gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
 511     gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
 512
 513     au_check_range(&words_start, &words_end);
 514 }
 515 }
 516
 517 //-----------------------------------------------------------------------------
 518 //  "delete-range" for GtkTextBuffer
 519 //-----------------------------------------------------------------------------
 520
 521 extern "C" {
 522 static void
 523 au_delete_range_callback(GtkTextBuffer *buffer,
 524                          GtkTextIter *start,
 525                          GtkTextIter *end,
 526                          wxTextCtrl *win)
 527 {
 528     if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
 529         return;
 530
 531     GtkTextIter line_start = *start, line_end = *end;
 532
 533     gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
 534     gtk_text_iter_forward_to_line_end(&line_end);
 535     gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
 536     gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
 537
 538     au_check_range(start, end);
 539 }
 540 }
 541
 542
 543 //-----------------------------------------------------------------------------
 544 //  "changed"
 545 //-----------------------------------------------------------------------------
 546
 547 extern "C" {
 548 static void
 549 gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
 550 {
 551     if ( win->IgnoreTextUpdate() )
 552         return;
 553
 554     if (!win->m_hasVMT) return;
 555
 556     if ( win->MarkDirtyOnChange() )
 557         win->MarkDirty();
 558
 559     win->SendTextUpdatedEvent();
 560 }
 561 }
 562
 563 //-----------------------------------------------------------------------------
 564 //  clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard"
 565 //-----------------------------------------------------------------------------
 566
 567 // common part of the event handlers below
 568 static void
 569 handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win,
 570                                 wxEventType eventType, const gchar * signal_name)
 571 {
 572     wxClipboardTextEvent event( eventType, win->GetId() );
 573     event.SetEventObject( win );
 574     if ( win->GetEventHandler()->ProcessEvent( event ) )
 575     {
 576         // don't let the default processing to take place if we did something
 577         // ourselves in the event handler
 578         g_signal_stop_emission_by_name (widget, signal_name);
 579     }
 580 }
 581
 582 extern "C" {
 583 static void
 584 gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 585 {
 586     handle_text_clipboard_callback(
 587         widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" );
 588 }
 589
 590 static void
 591 gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 592 {
 593     handle_text_clipboard_callback(
 594         widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" );
 595 }
 596
 597 static void
 598 gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 599 {
 600     handle_text_clipboard_callback(
 601         widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" );
 602 }
 603 }
 604
 605 //-----------------------------------------------------------------------------
 606 // "expose_event" from scrolled window and textview
 607 //-----------------------------------------------------------------------------
 608
 609 extern "C" {
 610 static gboolean
 611 gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win )
 612 {
 613     return TRUE;
 614 }
 615 }
 616
 617
 618 //-----------------------------------------------------------------------------
 619 //  wxTextCtrl
 620 //-----------------------------------------------------------------------------
 621
 622 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 623
 624 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 625     EVT_CHAR(wxTextCtrl::OnChar)
 626
 627     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 628     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 629     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 630     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 631     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 632
 633     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 634     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 635     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 636     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 637     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 638
 639     // wxTE_AUTO_URL wxTextUrl support. Currently only creates
 640     // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
 641     EVT_MOTION      (wxTextCtrl::OnUrlMouseEvent)
 642     EVT_LEFT_DOWN   (wxTextCtrl::OnUrlMouseEvent)
 643     EVT_LEFT_UP     (wxTextCtrl::OnUrlMouseEvent)
 644     EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
 645     EVT_RIGHT_DOWN  (wxTextCtrl::OnUrlMouseEvent)
 646     EVT_RIGHT_UP    (wxTextCtrl::OnUrlMouseEvent)
 647     EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
 648 END_EVENT_TABLE()
 649
 650 void wxTextCtrl::Init()
 651 {
 652     m_dontMarkDirty =
 653     m_modified = false;
 654
 655     m_countUpdatesToIgnore = 0;
 656
 657     SetUpdateFont(false);
 658
 659     m_text = NULL;
 660     m_freezeCount = 0;
 661     m_showPositionOnThaw = NULL;
 662     m_gdkHandCursor = NULL;
 663     m_gdkXTermCursor = NULL;
 664 }
 665
 666 wxTextCtrl::~wxTextCtrl()
 667 {
 668     if(m_gdkHandCursor)
 669         gdk_cursor_unref(m_gdkHandCursor);
 670     if(m_gdkXTermCursor)
 671         gdk_cursor_unref(m_gdkXTermCursor);
 672 }
 673
 674 wxTextCtrl::wxTextCtrl( wxWindow *parent,
 675                         wxWindowID id,
 676                         const wxString &value,
 677                         const wxPoint &pos,
 678                         const wxSize &size,
 679                         long style,
 680                         const wxValidator& validator,
 681                         const wxString &name )
 682 {
 683     Init();
 684
 685     Create( parent, id, value, pos, size, style, validator, name );
 686 }
 687
 688 bool wxTextCtrl::Create( wxWindow *parent,
 689                          wxWindowID id,
 690                          const wxString &value,
 691                          const wxPoint &pos,
 692                          const wxSize &size,
 693                          long style,
 694                          const wxValidator& validator,
 695                          const wxString &name )
 696 {
 697     if (!PreCreation( parent, pos, size ) ||
 698         !CreateBase( parent, id, pos, size, style, validator, name ))
 699     {
 700         wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
 701         return false;
 702     }
 703
 704     bool multi_line = (style & wxTE_MULTILINE) != 0;
 705
 706     if (multi_line)
 707     {
 708         // Create view
 709         m_text = gtk_text_view_new();
 710
 711         m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
 712
 713         // create "ShowPosition" marker
 714         GtkTextIter iter;
 715         gtk_text_buffer_get_start_iter(m_buffer, &iter);
 716         gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true);
 717
 718         // create scrolled window
 719         m_widget = gtk_scrolled_window_new( NULL, NULL );
 720         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
 721                                         GTK_POLICY_AUTOMATIC,
 722                                         style & wxTE_NO_VSCROLL
 723                                             ? GTK_POLICY_NEVER
 724                                             : GTK_POLICY_AUTOMATIC );
 725         // for ScrollLines/Pages
 726         m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar;
 727
 728         // Insert view into scrolled window
 729         gtk_container_add( GTK_CONTAINER(m_widget), m_text );
 730
 731         GTKSetWrapMode();
 732
 733         GtkScrolledWindowSetBorder(m_widget, style);
 734
 735         gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
 736
 737         GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 738     }
 739     else
 740     {
 741         // a single-line text control: no need for scrollbars
 742         m_widget =
 743         m_text = gtk_entry_new();
 744
 745         if (style & wxNO_BORDER)
 746             g_object_set (m_text, "has-frame", FALSE, NULL);
 747     }
 748
 749     m_parent->DoAddChild( this );
 750
 751     m_focusWidget = m_text;
 752
 753     PostCreation(size);
 754
 755     if (multi_line)
 756     {
 757         gtk_widget_show(m_text);
 758     }
 759
 760     // We want to be notified about text changes.
 761     if (multi_line)
 762     {
 763         g_signal_connect (m_buffer, "changed",
 764                           G_CALLBACK (gtk_text_changed_callback), this);
 765     }
 766     else
 767     {
 768         g_signal_connect (m_text, "changed",
 769                           G_CALLBACK (gtk_text_changed_callback), this);
 770     }
 771
 772     if (!value.empty())
 773     {
 774         SetValue( value );
 775     }
 776
 777     if (style & wxTE_PASSWORD)
 778         GTKSetVisibility();
 779
 780     if (style & wxTE_READONLY)
 781         GTKSetEditable();
 782
 783     // left justification (alignment) is the default anyhow
 784     if ( style & (wxTE_RIGHT | wxTE_CENTRE) )
 785         GTKSetJustification();
 786
 787     if (multi_line)
 788     {
 789         // Handle URLs on multi-line controls with wxTE_AUTO_URL style
 790         if (style & wxTE_AUTO_URL)
 791         {
 792             GtkTextIter start, end;
 793             m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
 794             m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
 795
 796             // We create our wxUrl tag here for slight efficiency gain - we
 797             // don't have to check for the tag existance in callbacks,
 798             // hereby it's guaranteed to exist.
 799             gtk_text_buffer_create_tag(m_buffer, "wxUrl",
 800                                        "foreground", "blue",
 801                                        "underline", PANGO_UNDERLINE_SINGLE,
 802                                        NULL);
 803
 804             // Check for URLs after each text change
 805             g_signal_connect_after (m_buffer, "insert_text",
 806                                     G_CALLBACK (au_insert_text_callback), this);
 807             g_signal_connect_after (m_buffer, "delete_range",
 808                                     G_CALLBACK (au_delete_range_callback), this);
 809
 810             // Block all wxUrl tag applying unless we do it ourselves, in which case we
 811             // block this callback temporarily. This takes care of gtk+ internal
 812             // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
 813             // which is undesired because only a part of the URL might be copied.
 814             // The insert-text signal emitted inside it will take care of newly formed
 815             // or wholly copied URLs.
 816             g_signal_connect (m_buffer, "apply_tag",
 817                               G_CALLBACK (au_apply_tag_callback), NULL);
 818
 819             // Check for URLs in the initial string passed to Create
 820             gtk_text_buffer_get_start_iter(m_buffer, &start);
 821             gtk_text_buffer_get_end_iter(m_buffer, &end);
 822             au_check_range(&start, &end);
 823         }
 824     }
 825
 826     g_signal_connect (m_text, "copy-clipboard",
 827                       G_CALLBACK (gtk_copy_clipboard_callback), this);
 828     g_signal_connect (m_text, "cut-clipboard",
 829                       G_CALLBACK (gtk_cut_clipboard_callback), this);
 830     g_signal_connect (m_text, "paste-clipboard",
 831                       G_CALLBACK (gtk_paste_clipboard_callback), this);
 832
 833     m_cursor = wxCursor( wxCURSOR_IBEAM );
 834
 835     return true;
 836 }
 837
 838 // ----------------------------------------------------------------------------
 839 // flags handling
 840 // ----------------------------------------------------------------------------
 841
 842 void wxTextCtrl::GTKSetEditable()
 843 {
 844     gboolean editable = !HasFlag(wxTE_READONLY);
 845     if ( IsSingleLine() )
 846         gtk_editable_set_editable(GTK_EDITABLE(m_text), editable);
 847     else
 848         gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable);
 849 }
 850
 851 void wxTextCtrl::GTKSetVisibility()
 852 {
 853     // VZ: shouldn't we assert if wxTE_PASSWORD is set for multiline control?
 854     if ( IsSingleLine() )
 855         gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD));
 856 }
 857
 858 void wxTextCtrl::GTKSetWrapMode()
 859 {
 860     // no wrapping in single line controls
 861     if ( !IsMultiLine() )
 862         return;
 863
 864     // translate wx wrapping style to GTK+
 865     GtkWrapMode wrap;
 866     if ( HasFlag( wxTE_DONTWRAP ) )
 867         wrap = GTK_WRAP_NONE;
 868     else if ( HasFlag( wxTE_CHARWRAP ) )
 869         wrap = GTK_WRAP_CHAR;
 870     else if ( HasFlag( wxTE_WORDWRAP ) )
 871         wrap = GTK_WRAP_WORD;
 872     else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
 873     {
 874         // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4
 875 #ifdef __WXGTK24__
 876         if ( !gtk_check_version(2,4,0) )
 877         {
 878             wrap = GTK_WRAP_WORD_CHAR;
 879         }
 880         else
 881 #endif // __WXGTK24__
 882         wrap = GTK_WRAP_WORD;
 883     }
 884
 885     gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
 886 }
 887
 888 void wxTextCtrl::GTKSetJustification()
 889 {
 890     if ( IsMultiLine() )
 891     {
 892         GtkJustification just;
 893         if ( HasFlag(wxTE_RIGHT) )
 894             just = GTK_JUSTIFY_RIGHT;
 895         else if ( HasFlag(wxTE_CENTRE) )
 896             just = GTK_JUSTIFY_CENTER;
 897         else // wxTE_LEFT == 0
 898             just = GTK_JUSTIFY_LEFT;
 899
 900         gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just);
 901     }
 902     else // single line
 903     {
 904 #ifdef __WXGTK24__
 905         // gtk_entry_set_alignment was introduced in gtk+-2.3.5
 906         if (!gtk_check_version(2,4,0))
 907         {
 908             gfloat align;
 909             if ( HasFlag(wxTE_RIGHT) )
 910                 align = 1.0;
 911             else if ( HasFlag(wxTE_CENTRE) )
 912                 align = 0.5;
 913             else // single line
 914                 align = 0.0;
 915
 916             gtk_entry_set_alignment(GTK_ENTRY(m_text), align);
 917         }
 918 #endif // __WXGTK24__
 919     }
 920
 921 }
 922
 923 void wxTextCtrl::SetWindowStyleFlag(long style)
 924 {
 925     long styleOld = GetWindowStyleFlag();
 926
 927     wxTextCtrlBase::SetWindowStyleFlag(style);
 928
 929     if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) )
 930         GTKSetEditable();
 931
 932     if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) )
 933         GTKSetVisibility();
 934
 935     static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP;
 936     if ( (style & flagsWrap) != (styleOld & flagsWrap) )
 937         GTKSetWrapMode();
 938
 939     static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
 940     if ( (style & flagsAlign) != (styleOld & flagsAlign) )
 941         GTKSetJustification();
 942 }
 943
 944 // ----------------------------------------------------------------------------
 945 // control value
 946 // ----------------------------------------------------------------------------
 947
 948 wxString wxTextCtrl::GetValue() const
 949 {
 950     wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
 951
 952     wxString tmp;
 953     if ( IsMultiLine() )
 954     {
 955         GtkTextIter start;
 956         gtk_text_buffer_get_start_iter( m_buffer, &start );
 957         GtkTextIter end;
 958         gtk_text_buffer_get_end_iter( m_buffer, &end );
 959         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
 960
 961         return wxGTK_CONV_BACK(text);
 962     }
 963     else
 964     {
 965         const gchar *text = gtk_entry_get_text( GTK_ENTRY(m_text) );
 966         return wxGTK_CONV_BACK(text);
 967     }
 968
 969     return tmp;
 970 }
 971
 972 wxFontEncoding wxTextCtrl::GetTextEncoding() const
 973 {
 974     // GTK+ uses UTF-8 internally, we need to convert to it but from which
 975     // encoding?
 976
 977     // first check the default text style (we intentionally don't check the
 978     // style for the current position as it doesn't make sense for SetValue())
 979     const wxTextAttr& style = GetDefaultStyle();
 980     wxFontEncoding enc = style.HasFont() ? style.GetFont().GetEncoding()
 981                                          : wxFONTENCODING_SYSTEM;
 982
 983     // fall back to the controls font if no style
 984     if ( enc == wxFONTENCODING_SYSTEM && m_hasFont )
 985         enc = GetFont().GetEncoding();
 986
 987     return enc;
 988 }
 989
 990 bool wxTextCtrl::IsEmpty() const
 991 {
 992     if ( IsMultiLine() )
 993         return gtk_text_buffer_get_char_count(m_buffer) == 0;
 994
 995     return wxTextCtrlBase::IsEmpty();
 996 }
 997
 998 void wxTextCtrl::DoSetValue( const wxString &value, int flags )
 999 {
1000     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1001
1002     m_modified = false;
1003
1004     wxFontEncoding enc = m_defaultStyle.HasFont()
1005                             ? m_defaultStyle.GetFont().GetEncoding()
1006                             : wxFONTENCODING_SYSTEM;
1007     if ( enc == wxFONTENCODING_SYSTEM )
1008         enc = GetTextEncoding();
1009
1010     const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc));
1011     if ( !buffer )
1012     {
1013         // see comment in WriteText() as to why we must warn the user about
1014         // this
1015         wxLogWarning(_("Failed to set text in the text control."));
1016         return;
1017     }
1018
1019     void* blockWidget = IsMultiLine() ? (void*)m_buffer : (void*)m_text;
1020     g_signal_handlers_block_by_func(blockWidget,
1021         (gpointer)gtk_text_changed_callback, this);
1022     if ( IsMultiLine() )
1023     {
1024         gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
1025
1026         if ( !m_defaultStyle.IsDefault() )
1027         {
1028             GtkTextIter start, end;
1029             gtk_text_buffer_get_bounds( m_buffer, &start, &end );
1030             wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle,
1031                                        &start, &end);
1032         }
1033     }
1034     else
1035     {
1036         gtk_entry_set_text( GTK_ENTRY(m_text), buffer );
1037     }
1038     g_signal_handlers_unblock_by_func(blockWidget,
1039         (gpointer)gtk_text_changed_callback, this);
1040
1041     // This was added after discussion on the list
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
1126         GtkTextIter end = line;
1127         // avoid skipping to the next line end if this one is empty
1128         if ( !gtk_text_iter_ends_line(&line) )
1129             gtk_text_iter_forward_to_line_end(&end);
1130
1131         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
1132         result = wxGTK_CONV_BACK(text);
1133     }
1134     else
1135     {
1136         if (lineNo == 0)
1137             result = GetValue();
1138     }
1139     return result;
1140 }
1141
1142 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1143 {
1144   /* If you implement this, don't forget to update the documentation!
1145    * (file docs/latex/wx/text.tex) */
1146     wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1147 }
1148
1149 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1150 {
1151     if ( IsMultiLine() )
1152     {
1153         GtkTextIter iter;
1154
1155         if (pos > GetLastPosition())
1156             return false;
1157
1158         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1159
1160         if ( y )
1161             *y = gtk_text_iter_get_line(&iter);
1162         if ( x )
1163             *x = gtk_text_iter_get_line_offset(&iter);
1164     }
1165     else // single line control
1166     {
1167         if ( pos <= GTK_ENTRY(m_text)->text_length )
1168         {
1169             if ( y )
1170                 *y = 0;
1171             if ( x )
1172                 *x = pos;
1173         }
1174         else
1175         {
1176             // index out of bounds
1177             return false;
1178         }
1179     }
1180
1181     return true;
1182 }
1183
1184 long wxTextCtrl::XYToPosition(long x, long y ) const
1185 {
1186     if ( IsSingleLine() )
1187         return 0;
1188
1189     GtkTextIter iter;
1190     if (y >= gtk_text_buffer_get_line_count (m_buffer))
1191         return -1;
1192
1193     gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y);
1194     if (x >= gtk_text_iter_get_chars_in_line (&iter))
1195         return -1;
1196
1197     return gtk_text_iter_get_offset(&iter) + x;
1198 }
1199
1200 int wxTextCtrl::GetLineLength(long lineNo) const
1201 {
1202     if ( IsMultiLine() )
1203     {
1204         int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1205         if (lineNo > last_line)
1206             return -1;
1207
1208         GtkTextIter iter;
1209         gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1210         // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1211         return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1212     }
1213     else
1214     {
1215         wxString str = GetLineText (lineNo);
1216         return (int) str.length();
1217     }
1218 }
1219
1220 int wxTextCtrl::GetNumberOfLines() const
1221 {
1222     if ( IsMultiLine() )
1223     {
1224         return gtk_text_buffer_get_line_count( m_buffer );
1225     }
1226     else // single line
1227     {
1228         return 1;
1229     }
1230 }
1231
1232 void wxTextCtrl::SetInsertionPoint( long pos )
1233 {
1234     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1235
1236     if ( IsMultiLine() )
1237     {
1238         GtkTextIter iter;
1239         gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1240         gtk_text_buffer_place_cursor( m_buffer, &iter );
1241         GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
1242         if (IsFrozen())
1243             // defer until Thaw, text view is not using m_buffer now
1244             m_showPositionOnThaw = mark;
1245         else
1246             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1247     }
1248     else
1249     {
1250         // FIXME: Is the editable's cursor really uptodate without double set_position in GTK2?
1251         gtk_editable_set_position(GTK_EDITABLE(m_text), int(pos));
1252     }
1253 }
1254
1255 void wxTextCtrl::SetInsertionPointEnd()
1256 {
1257     SetInsertionPoint(-1);
1258 }
1259
1260 void wxTextCtrl::SetEditable( bool editable )
1261 {
1262     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1263
1264     if ( IsMultiLine() )
1265     {
1266         gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1267     }
1268     else
1269     {
1270         gtk_editable_set_editable( GTK_EDITABLE(m_text), editable );
1271     }
1272 }
1273
1274 bool wxTextCtrl::Enable( bool enable )
1275 {
1276     if (!wxWindowBase::Enable(enable))
1277     {
1278         // nothing to do
1279         return false;
1280     }
1281
1282     gtk_widget_set_sensitive( m_text, enable );
1283
1284     return true;
1285 }
1286
1287 // wxGTK-specific: called recursively by Enable,
1288 // to give widgets an opportunity to correct their colours after they
1289 // have been changed by Enable
1290 void wxTextCtrl::OnEnabled( bool enable )
1291 {
1292     // If we have a custom background colour, we use this colour in both
1293     // disabled and enabled mode, or we end up with a different colour under the
1294     // text.
1295     wxColour oldColour = GetBackgroundColour();
1296     if (oldColour.Ok())
1297     {
1298         // Need to set twice or it'll optimize the useful stuff out
1299         if (oldColour == * wxWHITE)
1300             SetBackgroundColour(*wxBLACK);
1301         else
1302             SetBackgroundColour(*wxWHITE);
1303         SetBackgroundColour(oldColour);
1304     }
1305 }
1306
1307 void wxTextCtrl::MarkDirty()
1308 {
1309     m_modified = true;
1310 }
1311
1312 void wxTextCtrl::DiscardEdits()
1313 {
1314     m_modified = false;
1315 }
1316
1317 // ----------------------------------------------------------------------------
1318 // max text length support
1319 // ----------------------------------------------------------------------------
1320
1321 bool wxTextCtrl::IgnoreTextUpdate()
1322 {
1323     if ( m_countUpdatesToIgnore > 0 )
1324     {
1325         m_countUpdatesToIgnore--;
1326
1327         return true;
1328     }
1329
1330     return false;
1331 }
1332
1333 bool wxTextCtrl::MarkDirtyOnChange()
1334 {
1335     if ( m_dontMarkDirty )
1336     {
1337         m_dontMarkDirty = false;
1338
1339         return false;
1340     }
1341
1342     return true;
1343 }
1344
1345 void wxTextCtrl::SetMaxLength(unsigned long len)
1346 {
1347     if ( !HasFlag(wxTE_MULTILINE) )
1348     {
1349         gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
1350
1351         // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
1352         // we had tried to enter more text than allowed by max text length and
1353         // the text wasn't really changed
1354         //
1355         // to detect this and generate TEXT_MAXLEN event instead of
1356         // TEXT_CHANGED one in this case we also catch "insert_text" signal
1357         //
1358         // when max len is set to 0 we disconnect our handler as it means that
1359         // we shouldn't check anything any more
1360         if ( len )
1361         {
1362             g_signal_connect (m_text, "insert_text",
1363                               G_CALLBACK (gtk_insert_text_callback), this);
1364         }
1365         else // no checking
1366         {
1367             g_signal_handlers_disconnect_by_func (m_text,
1368                     (gpointer) gtk_insert_text_callback, this);
1369         }
1370     }
1371 }
1372
1373 void wxTextCtrl::SetSelection( long from, long to )
1374 {
1375     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1376
1377     if (from == -1 && to == -1)
1378     {
1379         from = 0;
1380         to = GetValue().length();
1381     }
1382
1383     if ( IsMultiLine() )
1384     {
1385         GtkTextIter fromi, toi;
1386         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1387         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1388
1389         gtk_text_buffer_place_cursor( m_buffer, &toi );
1390         gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1391     }
1392     else
1393     {
1394         gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1395     }
1396 }
1397
1398 void wxTextCtrl::ShowPosition( long pos )
1399 {
1400     if (IsMultiLine())
1401     {
1402         GtkTextIter iter;
1403         gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
1404         GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
1405         gtk_text_buffer_move_mark(m_buffer, mark, &iter);
1406         if (IsFrozen())
1407             // defer until Thaw, text view is not using m_buffer now
1408             m_showPositionOnThaw = mark;
1409         else
1410             gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1411     }
1412 }
1413
1414 wxTextCtrlHitTestResult
1415 wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1416 {
1417     if ( !IsMultiLine() )
1418     {
1419         // not supported
1420         return wxTE_HT_UNKNOWN;
1421     }
1422
1423     int x, y;
1424     gtk_text_view_window_to_buffer_coords
1425     (
1426         GTK_TEXT_VIEW(m_text),
1427         GTK_TEXT_WINDOW_TEXT,
1428         pt.x, pt.y,
1429         &x, &y
1430     );
1431
1432     GtkTextIter iter;
1433     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1434     if ( pos )
1435         *pos = gtk_text_iter_get_offset(&iter);
1436
1437     return wxTE_HT_ON_TEXT;
1438 }
1439
1440 long wxTextCtrl::GetInsertionPoint() const
1441 {
1442     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1443
1444     if ( IsMultiLine() )
1445     {
1446         // There is no direct accessor for the cursor, but
1447         // internally, the cursor is the "mark" called
1448         // "insert" in the text view's btree structure.
1449
1450         GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1451         GtkTextIter cursor;
1452         gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1453
1454         return gtk_text_iter_get_offset( &cursor );
1455     }
1456     else
1457     {
1458         return (long) gtk_editable_get_position(GTK_EDITABLE(m_text));
1459     }
1460 }
1461
1462 wxTextPos wxTextCtrl::GetLastPosition() const
1463 {
1464     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1465
1466     int pos = 0;
1467
1468     if ( IsMultiLine() )
1469     {
1470         GtkTextIter end;
1471         gtk_text_buffer_get_end_iter( m_buffer, &end );
1472
1473         pos = gtk_text_iter_get_offset( &end );
1474     }
1475     else
1476     {
1477         pos = GTK_ENTRY(m_text)->text_length;
1478     }
1479
1480     return (long)pos;
1481 }
1482
1483 void wxTextCtrl::Remove( long from, long to )
1484 {
1485     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1486
1487     if ( IsMultiLine() )
1488     {
1489         GtkTextIter fromi, toi;
1490         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1491         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1492
1493         gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1494     }
1495     else // single line
1496         gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1497 }
1498
1499 void wxTextCtrl::Replace( long from, long to, const wxString &value )
1500 {
1501     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1502
1503     Remove( from, to );
1504
1505     if (!value.empty())
1506     {
1507         SetInsertionPoint( from );
1508         WriteText( value );
1509     }
1510 }
1511
1512 void wxTextCtrl::Cut()
1513 {
1514     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1515
1516     if ( IsMultiLine() )
1517         g_signal_emit_by_name (m_text, "cut-clipboard");
1518     else
1519         gtk_editable_cut_clipboard(GTK_EDITABLE(m_text));
1520 }
1521
1522 void wxTextCtrl::Copy()
1523 {
1524     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1525
1526     if ( IsMultiLine() )
1527         g_signal_emit_by_name (m_text, "copy-clipboard");
1528     else
1529         gtk_editable_copy_clipboard(GTK_EDITABLE(m_text));
1530 }
1531
1532 void wxTextCtrl::Paste()
1533 {
1534     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1535
1536     if ( IsMultiLine() )
1537         g_signal_emit_by_name (m_text, "paste-clipboard");
1538     else
1539         gtk_editable_paste_clipboard(GTK_EDITABLE(m_text));
1540 }
1541
1542 // Undo/redo
1543 void wxTextCtrl::Undo()
1544 {
1545     // TODO
1546     wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1547 }
1548
1549 void wxTextCtrl::Redo()
1550 {
1551     // TODO
1552     wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1553 }
1554
1555 bool wxTextCtrl::CanUndo() const
1556 {
1557     // TODO
1558     //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1559     return false;
1560 }
1561
1562 bool wxTextCtrl::CanRedo() const
1563 {
1564     // TODO
1565     //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1566     return false;
1567 }
1568
1569 // If the return values from and to are the same, there is no
1570 // selection.
1571 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1572 {
1573     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1574
1575     gint from = -1;
1576     gint to = -1;
1577     bool haveSelection = false;
1578
1579      if ( IsMultiLine() )
1580      {
1581          GtkTextIter ifrom, ito;
1582          if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1583          {
1584              haveSelection = true;
1585              from = gtk_text_iter_get_offset(&ifrom);
1586              to = gtk_text_iter_get_offset(&ito);
1587          }
1588      }
1589      else  // not multi-line
1590      {
1591          if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1592                                                  &from, &to) )
1593          {
1594              haveSelection = true;
1595          }
1596      }
1597
1598      if (! haveSelection )
1599           from = to = GetInsertionPoint();
1600
1601      if ( from > to )
1602      {
1603          // exchange them to be compatible with wxMSW
1604          gint tmp = from;
1605          from = to;
1606          to = tmp;
1607      }
1608
1609     if ( fromOut )
1610         *fromOut = from;
1611     if ( toOut )
1612         *toOut = to;
1613 }
1614
1615
1616 bool wxTextCtrl::IsEditable() const
1617 {
1618     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1619
1620     if ( IsMultiLine() )
1621     {
1622         return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1623     }
1624     else
1625     {
1626         return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1627     }
1628 }
1629
1630 bool wxTextCtrl::IsModified() const
1631 {
1632     return m_modified;
1633 }
1634
1635 void wxTextCtrl::Clear()
1636 {
1637     SetValue( wxEmptyString );
1638 }
1639
1640 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1641 {
1642     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1643
1644     if ( key_event.GetKeyCode() == WXK_RETURN )
1645     {
1646         if ( HasFlag(wxTE_PROCESS_ENTER) )
1647         {
1648             wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1649             event.SetEventObject(this);
1650             event.SetString(GetValue());
1651             if ( GetEventHandler()->ProcessEvent(event) )
1652                 return;
1653         }
1654
1655         // FIXME: this is not the right place to do it, wxDialog::OnCharHook()
1656         //        probably is
1657         if ( IsSingleLine() )
1658         {
1659             // This will invoke the dialog default action, such
1660             // as the clicking the default button.
1661
1662             wxWindow *top_frame = m_parent;
1663             while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1664                 top_frame = top_frame->GetParent();
1665
1666             if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1667             {
1668                 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1669
1670                 if (window->default_widget)
1671                 {
1672                     gtk_widget_activate (window->default_widget);
1673                     return;
1674                 }
1675             }
1676         }
1677     }
1678
1679     key_event.Skip();
1680 }
1681
1682 GtkWidget* wxTextCtrl::GetConnectWidget()
1683 {
1684     return GTK_WIDGET(m_text);
1685 }
1686
1687 GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
1688 {
1689     if ( IsMultiLine() )
1690     {
1691         return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1692                                         GTK_TEXT_WINDOW_TEXT );
1693     }
1694     else
1695     {
1696         return GTK_ENTRY(m_text)->text_area;
1697     }
1698 }
1699
1700 // the font will change for subsequent text insertiongs
1701 bool wxTextCtrl::SetFont( const wxFont &font )
1702 {
1703     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1704
1705     if ( !wxTextCtrlBase::SetFont(font) )
1706     {
1707         // font didn't change, nothing to do
1708         return false;
1709     }
1710
1711     if ( IsMultiLine() )
1712     {
1713         SetUpdateFont(true);
1714
1715         m_defaultStyle.SetFont(font);
1716
1717         ChangeFontGlobally();
1718     }
1719
1720     return true;
1721 }
1722
1723 void wxTextCtrl::ChangeFontGlobally()
1724 {
1725     // this method is very inefficient and hence should be called as rarely as
1726     // possible!
1727     //
1728     // TODO: it can be implemented much more efficiently for GTK2
1729     wxASSERT_MSG( IsMultiLine(),
1730                   _T("shouldn't be called for single line controls") );
1731
1732     wxString value = GetValue();
1733     if ( !value.empty() )
1734     {
1735         SetUpdateFont(false);
1736
1737         Clear();
1738         AppendText(value);
1739     }
1740 }
1741
1742 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1743 {
1744     if ( !wxControl::SetForegroundColour(colour) )
1745         return false;
1746
1747     // update default fg colour too
1748     m_defaultStyle.SetTextColour(colour);
1749
1750     return true;
1751 }
1752
1753 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1754 {
1755     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1756
1757     if ( !wxControl::SetBackgroundColour( colour ) )
1758         return false;
1759
1760     if (!m_backgroundColour.Ok())
1761         return false;
1762
1763     // change active background color too
1764     m_defaultStyle.SetBackgroundColour( colour );
1765
1766     return true;
1767 }
1768
1769 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1770 {
1771     if ( IsMultiLine() )
1772     {
1773         if ( style.IsDefault() )
1774         {
1775             // nothing to do
1776             return true;
1777         }
1778
1779         gint l = gtk_text_buffer_get_char_count( m_buffer );
1780
1781         wxCHECK_MSG( start >= 0 && end <= l, false,
1782                      _T("invalid range in wxTextCtrl::SetStyle") );
1783
1784         GtkTextIter starti, endi;
1785         gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1786         gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1787
1788         wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );
1789
1790         return true;
1791     }
1792     //else: single line text controls don't support styles
1793
1794     return false;
1795 }
1796
1797 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1798 {
1799     gtk_widget_modify_style(m_text, style);
1800 }
1801
1802 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1803 {
1804     Cut();
1805 }
1806
1807 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1808 {
1809     Copy();
1810 }
1811
1812 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1813 {
1814     Paste();
1815 }
1816
1817 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1818 {
1819     Undo();
1820 }
1821
1822 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1823 {
1824     Redo();
1825 }
1826
1827 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1828 {
1829     event.Enable( CanCut() );
1830 }
1831
1832 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1833 {
1834     event.Enable( CanCopy() );
1835 }
1836
1837 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1838 {
1839     event.Enable( CanPaste() );
1840 }
1841
1842 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1843 {
1844     event.Enable( CanUndo() );
1845 }
1846
1847 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1848 {
1849     event.Enable( CanRedo() );
1850 }
1851
1852 wxSize wxTextCtrl::DoGetBestSize() const
1853 {
1854     // FIXME should be different for multi-line controls...
1855     wxSize ret( wxControl::DoGetBestSize() );
1856     wxSize best(80, ret.y);
1857     CacheBestSize(best);
1858     return best;
1859 }
1860
1861 // ----------------------------------------------------------------------------
1862 // freeze/thaw
1863 // ----------------------------------------------------------------------------
1864
1865 void wxTextCtrl::Freeze()
1866 {
1867     wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
1868
1869     if ( HasFlag(wxTE_MULTILINE) )
1870     {
1871         if (m_freezeCount++ == 0)
1872         {
1873             // freeze textview updates and remove buffer
1874             g_signal_connect (m_text, "expose_event",
1875                               G_CALLBACK (gtk_text_exposed_callback), this);
1876             g_signal_connect (m_widget, "expose_event",
1877                               G_CALLBACK (gtk_text_exposed_callback), this);
1878             gtk_widget_set_sensitive(m_widget, false);
1879             g_object_ref(m_buffer);
1880             GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
1881             GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;
1882             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
1883             // gtk_text_view_set_buffer adds its own reference
1884             g_object_unref(buf_new);
1885             // This mark should be deleted when the buffer is changed,
1886             // but it's not (in GTK+ up to at least 2.10.6).
1887             // Otherwise these anonymous marks start to build up in the buffer,
1888             // and Freeze takes longer and longer each time it is called.
1889             if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
1890                 gtk_text_buffer_delete_mark(m_buffer, mark);
1891         }
1892     }
1893 }
1894
1895 void wxTextCtrl::Thaw()
1896 {
1897     if ( HasFlag(wxTE_MULTILINE) )
1898     {
1899         wxCHECK_RET(m_freezeCount != 0, _T("Thaw() without matching Freeze()"));
1900
1901         if (--m_freezeCount == 0)
1902         {
1903             // Reattach buffer and thaw textview updates
1904             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1905             g_object_unref(m_buffer);
1906             gtk_widget_set_sensitive(m_widget, true);
1907             g_signal_handlers_disconnect_by_func (m_widget,
1908                     (gpointer) gtk_text_exposed_callback, this);
1909             g_signal_handlers_disconnect_by_func (m_text,
1910                     (gpointer) gtk_text_exposed_callback, this);
1911             if (m_showPositionOnThaw != NULL)
1912             {
1913                 gtk_text_view_scroll_mark_onscreen(
1914                     GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
1915                 m_showPositionOnThaw = NULL;
1916             }
1917         }
1918     }
1919 }
1920
1921 // ----------------------------------------------------------------------------
1922 // wxTextUrlEvent passing if style & wxTE_AUTO_URL
1923 // ----------------------------------------------------------------------------
1924
1925 // FIXME: when dragging on a link the sample gets an "Unknown event".
1926 // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
1927 // a buggy sample, or something else
1928 void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
1929 {
1930     event.Skip();
1931     if( !HasFlag(wxTE_AUTO_URL) )
1932         return;
1933
1934     gint x, y;
1935     GtkTextIter start, end;
1936     GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
1937                                                 "wxUrl");
1938
1939     gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
1940                                           event.GetX(), event.GetY(), &x, &y);
1941
1942     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
1943     if (!gtk_text_iter_has_tag(&end, tag))
1944     {
1945         gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1946                               GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
1947         return;
1948     }
1949
1950     gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1951                           GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
1952
1953     start = end;
1954     if(!gtk_text_iter_begins_tag(&start, tag))
1955         gtk_text_iter_backward_to_tag_toggle(&start, tag);
1956     if(!gtk_text_iter_ends_tag(&end, tag))
1957         gtk_text_iter_forward_to_tag_toggle(&end, tag);
1958
1959     // Native context menu is probably not desired on an URL.
1960     // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
1961     if(event.GetEventType() == wxEVT_RIGHT_DOWN)
1962         event.Skip(false);
1963
1964     wxTextUrlEvent url_event(m_windowId, event,
1965                              gtk_text_iter_get_offset(&start),
1966                              gtk_text_iter_get_offset(&end));
1967
1968     InitCommandEvent(url_event);
1969     // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
1970     //event.Skip(!GetEventHandler()->ProcessEvent(url_event));
1971     GetEventHandler()->ProcessEvent(url_event);
1972 }
1973
1974 bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
1975 {
1976     bool rc = wxTextCtrlBase::GTKProcessEvent(event);
1977
1978     // GtkTextView starts a drag operation when left mouse button is pressed
1979     // and ends it when it is released and if it doesn't get the release event
1980     // the next click on a control results in an assertion failure inside
1981     // gtk_text_view_start_selection_drag() which simply *kills* the program
1982     // without anything we can do about it, so always let GTK+ have this event
1983     return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
1984 }
1985
1986 // static
1987 wxVisualAttributes
1988 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1989 {
1990     return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
1991 }