src/gtk1/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        textctrl.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling, Vadim Zeitlin
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "textctrl.h"
  12 #endif
  13
  14 #include "wx/textctrl.h"
  15 #include "wx/utils.h"
  16 #include "wx/intl.h"
  17 #include "wx/settings.h"
  18
  19 #include <sys/types.h>
  20 #include <sys/stat.h>
  21 #include <ctype.h>
  22
  23 #include "gdk/gdk.h"
  24 #include "gtk/gtk.h"
  25 #include "gdk/gdkkeysyms.h"
  26
  27 //-----------------------------------------------------------------------------
  28 // idle system
  29 //-----------------------------------------------------------------------------
  30
  31 extern void wxapp_install_idle_handler();
  32 extern bool g_isIdle;
  33
  34 //-----------------------------------------------------------------------------
  35 // data
  36 //-----------------------------------------------------------------------------
  37
  38 extern bool   g_blockEventsOnDrag;
  39
  40 //-----------------------------------------------------------------------------
  41 //  "changed"
  42 //-----------------------------------------------------------------------------
  43
  44 static void
  45 gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
  46 {
  47     if (g_isIdle) wxapp_install_idle_handler();
  48
  49     if (!win->m_hasVMT) return;
  50
  51     win->SetModified();
  52
  53     wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->m_windowId );
  54     event.SetString( win->GetValue() );
  55     event.SetEventObject( win );
  56     win->GetEventHandler()->ProcessEvent( event );
  57 }
  58
  59 //-----------------------------------------------------------------------------
  60 // "changed" from vertical scrollbar
  61 //-----------------------------------------------------------------------------
  62
  63 static void
  64 gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
  65 {
  66     if (g_isIdle) wxapp_install_idle_handler();
  67
  68     if (!win->m_hasVMT) return;
  69
  70     win->CalculateScrollbar();
  71 }
  72
  73 //-----------------------------------------------------------------------------
  74 //  wxTextCtrl
  75 //-----------------------------------------------------------------------------
  76
  77 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
  78
  79 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
  80     EVT_CHAR(wxTextCtrl::OnChar)
  81
  82     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
  83     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
  84     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
  85     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
  86     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
  87
  88     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
  89     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
  90     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
  91     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
  92     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
  93 END_EVENT_TABLE()
  94
  95 #ifndef NO_TEXT_WINDOW_STREAM
  96 wxTextCtrl::wxTextCtrl() : streambuf()
  97 {
  98     if (allocate()) setp(base(),ebuf());
  99
 100     m_modified = FALSE;
 101 }
 102 #else
 103 wxTextCtrl::wxTextCtrl()
 104 {
 105     m_modified = FALSE;
 106 }
 107 #endif
 108
 109 #ifndef NO_TEXT_WINDOW_STREAM
 110 wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value,
 111       const wxPoint &pos, const wxSize &size,
 112       int style, const wxValidator& validator, const wxString &name ) : streambuf()
 113 {
 114     if (allocate()) setp(base(),ebuf());
 115
 116     m_modified = FALSE;
 117     Create( parent, id, value, pos, size, style, validator, name );
 118 }
 119 #else
 120 wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value,
 121       const wxPoint &pos, const wxSize &size,
 122       int style, const wxValidator& validator, const wxString &name )
 123 {
 124     m_modified = FALSE;
 125     Create( parent, id, value, pos, size, style, validator, name );
 126 }
 127 #endif
 128
 129 bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value,
 130       const wxPoint &pos, const wxSize &size,
 131       int style, const wxValidator& validator, const wxString &name )
 132 {
 133     m_needParent = TRUE;
 134     m_acceptsFocus = TRUE;
 135
 136     PreCreation( parent, id, pos, size, style, name );
 137
 138     SetValidator( validator );
 139
 140     m_vScrollbarVisible = FALSE;
 141
 142     bool multi_line = (style & wxTE_MULTILINE) != 0;
 143     if ( multi_line )
 144     {
 145         /* a multi-line edit control: create a vertical scrollbar by default and
 146            horizontal if requested */
 147         bool bHasHScrollbar = (style & wxHSCROLL) != 0;
 148
 149         /* create our control ... */
 150         m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
 151
 152         /* ... and put into the upper left hand corner of the table */
 153         m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
 154         GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 155
 156         gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
 157                       (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
 158                       (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
 159                        0, 0);
 160
 161         /* put the horizontal scrollbar in the lower left hand corner */
 162         if (bHasHScrollbar)
 163         {
 164             GtkWidget *hscrollbar = gtk_hscrollbar_new(GTK_TEXT(m_text)->hadj);
 165             GTK_WIDGET_UNSET_FLAGS( hscrollbar, GTK_CAN_FOCUS );
 166
 167             gtk_table_attach(GTK_TABLE(m_widget), hscrollbar, 0, 1, 1, 2,
 168                        (GtkAttachOptions)(GTK_EXPAND | GTK_FILL),
 169                        GTK_FILL,
 170                        0, 0);
 171             gtk_widget_show(hscrollbar);
 172         }
 173
 174         /* we create the vertical scrollbar on demand */
 175         m_vScrollbar = (GtkWidget*) NULL;
 176
 177     }
 178     else
 179     {
 180         /* a single-line text control: no need for scrollbars */
 181         m_widget =
 182           m_text = gtk_entry_new();
 183     }
 184
 185     wxSize newSize = size;
 186     if (newSize.x == -1) newSize.x = 80;
 187     if (newSize.y == -1) newSize.y = 26;
 188     SetSize( newSize.x, newSize.y );
 189
 190     m_parent->AddChild( this );
 191
 192     (m_parent->m_insertCallback)( m_parent, this );
 193
 194     PostCreation();
 195
 196     if (multi_line)
 197     {
 198 //        gtk_widget_realize(m_text);
 199         gtk_widget_show(m_text);
 200     }
 201
 202     /* we want to be notified about text changes */
 203     gtk_signal_connect( GTK_OBJECT(m_text), "changed",
 204       GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
 205
 206     if (!value.IsEmpty())
 207     {
 208         gint tmp = 0;
 209 #if wxUSE_UNICODE
 210         wxWX2MBbuf val = value.mbc_str();
 211         gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp );
 212 #else
 213         gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
 214 #endif
 215
 216         if (multi_line)
 217         {
 218             /* bring editable's cursor uptodate. bug in GTK. */
 219
 220             GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
 221         }
 222     }
 223
 224     if (style & wxTE_PASSWORD)
 225     {
 226         if (!multi_line)
 227             gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
 228     }
 229
 230     if (style & wxTE_READONLY)
 231     {
 232         if (!multi_line)
 233             gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE );
 234     }
 235     else
 236     {
 237         if (multi_line)
 238             gtk_text_set_editable( GTK_TEXT(m_text), 1 );
 239     }
 240
 241     SetBackgroundColour( parent->GetBackgroundColour() );
 242     SetForegroundColour( parent->GetForegroundColour() );
 243
 244     Show( TRUE );
 245
 246     if (multi_line)
 247     {
 248         gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
 249           (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
 250     }
 251
 252     return TRUE;
 253 }
 254
 255 void wxTextCtrl::CalculateScrollbar()
 256 {
 257     if ((m_windowStyle & wxTE_MULTILINE) == 0) return;
 258
 259     GtkAdjustment *adj = GTK_TEXT(m_text)->vadj;
 260
 261     if (adj->upper - adj->page_size < 0.8)
 262     {
 263         if (m_vScrollbarVisible)
 264         {
 265             gtk_widget_hide( m_vScrollbar );
 266
 267             m_vScrollbarVisible = FALSE;
 268         }
 269     }
 270     else
 271     {
 272         if (!m_vScrollbarVisible)
 273         {
 274             if (!m_vScrollbar)
 275             {
 276                 /* finally, put the vertical scrollbar in the upper right corner */
 277                 m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj );
 278                 GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS );
 279
 280                 gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1,
 281                      GTK_FILL,
 282                      (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
 283                      0, 0);
 284             }
 285
 286             gtk_widget_show( m_vScrollbar );
 287
 288             m_vScrollbarVisible = TRUE;
 289         }
 290     }
 291 }
 292
 293 wxString wxTextCtrl::GetValue() const
 294 {
 295     wxCHECK_MSG( m_text != NULL, _T(""), _T("invalid text ctrl") );
 296
 297     wxString tmp;
 298     if (m_windowStyle & wxTE_MULTILINE)
 299     {
 300         gint len = gtk_text_get_length( GTK_TEXT(m_text) );
 301         char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
 302         tmp = wxString(text,*wxConv_current);
 303         g_free( text );
 304     }
 305     else
 306     {
 307         tmp = wxString(gtk_entry_get_text( GTK_ENTRY(m_text) ),*wxConv_current);
 308     }
 309     return tmp;
 310 }
 311
 312 void wxTextCtrl::SetValue( const wxString &value )
 313 {
 314     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 315
 316     wxString tmp = _T("");
 317     if (!value.IsNull()) tmp = value;
 318     if (m_windowStyle & wxTE_MULTILINE)
 319     {
 320         gint len = gtk_text_get_length( GTK_TEXT(m_text) );
 321         gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len );
 322         len = 0;
 323 #if wxUSE_UNICODE
 324         wxWX2MBbuf tmpbuf = tmp.mbc_str();
 325         gtk_editable_insert_text( GTK_EDITABLE(m_text), tmpbuf, strlen(tmpbuf), &len );
 326 #else
 327         gtk_editable_insert_text( GTK_EDITABLE(m_text), tmp.mbc_str(), tmp.Length(), &len );
 328 #endif
 329     }
 330     else
 331     {
 332         gtk_entry_set_text( GTK_ENTRY(m_text), tmp.mbc_str() );
 333     }
 334 }
 335
 336 void wxTextCtrl::WriteText( const wxString &text )
 337 {
 338     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 339
 340     if (text.IsNull()) return;
 341
 342     if (m_windowStyle & wxTE_MULTILINE)
 343     {
 344         /* this moves the cursor pos to behind the inserted text */
 345         gint len = GTK_EDITABLE(m_text)->current_pos;
 346
 347 #if wxUSE_UNICODE
 348         wxWX2MBbuf buf = text.mbc_str();
 349         gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len );
 350 #else
 351         gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
 352 #endif
 353
 354         /* bring editable's cursor uptodate. bug in GTK. */
 355         GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
 356     }
 357     else
 358     {
 359         /* this moves the cursor pos to behind the inserted text */
 360         gint len = GTK_EDITABLE(m_text)->current_pos;
 361 #if wxUSE_UNICODE
 362         wxWX2MBbuf buf = text.mbc_str();
 363         gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len );
 364 #else
 365         gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
 366 #endif
 367
 368         /* bring editable's cursor uptodate. bug in GTK. */
 369         GTK_EDITABLE(m_text)->current_pos += text.Len();
 370
 371         /* bring entry's cursor uptodate. bug in GTK. */
 372         gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos );
 373     }
 374 }
 375
 376 void wxTextCtrl::AppendText( const wxString &text )
 377 {
 378     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 379
 380     if (m_windowStyle & wxTE_MULTILINE)
 381     {
 382         /* we'll insert at the last position */
 383         gint len = gtk_text_get_length( GTK_TEXT(m_text) );
 384 #if wxUSE_UNICODE
 385         wxWX2MBbuf buf = text.mbc_str();
 386         gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len );
 387 #else
 388         gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
 389 #endif
 390
 391         /* bring editable's cursor uptodate. bug in GTK. */
 392         GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
 393     }
 394     else
 395     {
 396         gtk_entry_append_text( GTK_ENTRY(m_text), text.mbc_str() );
 397     }
 398 }
 399
 400 bool wxTextCtrl::LoadFile( const wxString &file )
 401 {
 402   wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") );
 403
 404   if (!wxFileExists(file)) return FALSE;
 405
 406   Clear();
 407
 408   FILE *fp = (FILE*) NULL;
 409   struct stat statb;
 410
 411   if ((stat (FNSTRINGCAST file.fn_str(), &statb) == -1) || (statb.st_mode & S_IFMT) != S_IFREG ||
 412       !(fp = fopen (FNSTRINGCAST file.fn_str(), "r")))
 413   {
 414       return FALSE;
 415   }
 416   else
 417   {
 418     gint len = statb.st_size;
 419     char *text;
 420     if (!(text = (char*)malloc ((unsigned) (len + 1))))
 421     {
 422       fclose (fp);
 423       return FALSE;
 424     }
 425     if (fread (text, sizeof (char), len, fp) != (size_t) len)
 426     {
 427     }
 428     fclose (fp);
 429
 430     text[len] = 0;
 431
 432     if (m_windowStyle & wxTE_MULTILINE)
 433     {
 434       gint pos = 0;
 435       gtk_editable_insert_text( GTK_EDITABLE(m_text), text, len, &pos );
 436     }
 437     else
 438     {
 439       gtk_entry_set_text( GTK_ENTRY(m_text), text );
 440     }
 441
 442     free (text);
 443     m_modified = FALSE;
 444     return TRUE;
 445   }
 446   return FALSE;
 447 }
 448
 449 bool wxTextCtrl::SaveFile( const wxString &file )
 450 {
 451   wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") );
 452
 453   if (file == _T("")) return FALSE;
 454
 455   FILE *fp;
 456
 457   if (!(fp = fopen (FNSTRINGCAST file.fn_str(), "w")))
 458     {
 459       return FALSE;
 460     }
 461   else
 462     {
 463       char *text = (char*) NULL;
 464       gint len = 0;
 465
 466       if (m_windowStyle & wxTE_MULTILINE)
 467       {
 468         len = gtk_text_get_length( GTK_TEXT(m_text) );
 469         text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
 470       }
 471       else
 472       {
 473         text = gtk_entry_get_text( GTK_ENTRY(m_text) );
 474       }
 475
 476       if (fwrite (text, sizeof (char), len, fp) != (size_t) len)
 477       {
 478           // Did not write whole file
 479       }
 480
 481       // Make sure newline terminates the file
 482       if (text[len - 1] != '\n')
 483           fputc ('\n', fp);
 484
 485       fclose (fp);
 486
 487       if (m_windowStyle & wxTE_MULTILINE) g_free( text );
 488
 489       m_modified = FALSE;
 490       return TRUE;
 491     }
 492
 493   return TRUE;
 494 }
 495
 496 wxString wxTextCtrl::GetLineText( long lineNo ) const
 497 {
 498   if (m_windowStyle & wxTE_MULTILINE)
 499   {
 500     gint len = gtk_text_get_length( GTK_TEXT(m_text) );
 501     char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
 502
 503     if (text)
 504     {
 505         wxString buf(_T(""));
 506         long i;
 507         int currentLine = 0;
 508         for (i = 0; currentLine != lineNo && text[i]; i++ )
 509           if (text[i] == '\n')
 510             currentLine++;
 511         // Now get the text
 512         int j;
 513         for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
 514             buf += text[i];
 515
 516         g_free( text );
 517         return buf;
 518     }
 519     else
 520       return wxEmptyString;
 521   }
 522   else
 523   {
 524     if (lineNo == 0) return GetValue();
 525     return wxEmptyString;
 526   }
 527 }
 528
 529 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
 530 {
 531   /* If you implement this, don't forget to update the documentation!
 532    * (file docs/latex/wx/text.tex) */
 533     wxFAIL_MSG( _T("wxTextCtrl::OnDropFiles not implemented") );
 534 }
 535
 536 long wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
 537 {
 538     if ( m_windowStyle & wxTE_MULTILINE )
 539     {
 540         wxString text = GetValue();
 541
 542         // cast to prevent warning. But pos really should've been unsigned.
 543         if( (unsigned long)pos > text.Len()  )
 544             return FALSE;
 545
 546         *x=0;   // First Col
 547         *y=0;   // First Line
 548
 549         const wxChar* stop = text.c_str() + pos;
 550         for ( const wxChar *p = text.c_str(); p < stop; p++ )
 551         {
 552             if (*p == _T('\n'))
 553             {
 554                 (*y)++;
 555                 *x=0;
 556             }
 557             else
 558                 (*x)++;
 559         }
 560     }
 561     else // single line control
 562     {
 563         if ( pos <= GTK_ENTRY(m_text)->text_length )
 564         {
 565             *y = 0;
 566             *x = pos;
 567         }
 568         else
 569         {
 570             // index out of bounds
 571             return FALSE;
 572         }
 573     }
 574
 575     return TRUE;
 576 }
 577
 578 long wxTextCtrl::XYToPosition(long x, long y ) const
 579 {
 580     if (!(m_windowStyle & wxTE_MULTILINE)) return 0;
 581
 582     long pos=0;
 583     for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n'
 584
 585     pos += x;
 586     return pos;
 587 }
 588
 589 int wxTextCtrl::GetLineLength(long lineNo) const
 590 {
 591     wxString str = GetLineText (lineNo);
 592     return (int) str.Length();
 593 }
 594
 595 int wxTextCtrl::GetNumberOfLines() const
 596 {
 597     if (m_windowStyle & wxTE_MULTILINE)
 598     {
 599         gint len = gtk_text_get_length( GTK_TEXT(m_text) );
 600         char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
 601
 602         if (text)
 603         {
 604             int currentLine = 0;
 605             for (int i = 0; i < len; i++ )
 606             {
 607                 if (text[i] == '\n')
 608                     currentLine++;
 609             }
 610             g_free( text );
 611
 612             // currentLine is 0 based, add 1 to get number of lines
 613             return currentLine + 1;
 614         }
 615         else
 616         {
 617             return 0;
 618         }
 619     }
 620     else
 621     {
 622         return 1;
 623     }
 624 }
 625
 626 void wxTextCtrl::SetInsertionPoint( long pos )
 627 {
 628     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 629
 630     if (m_windowStyle & wxTE_MULTILINE)
 631     {
 632         /* seems to be broken in GTK 1.0.X:
 633            gtk_text_set_point( GTK_TEXT(m_text), (int)pos ); */
 634
 635         gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
 636           GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
 637
 638         /* we fake a set_point by inserting and deleting. as the user
 639            isn't supposed to get to know about thos non-sense, we
 640            disconnect so that no events are sent to the user program. */
 641
 642         gint tmp = (gint)pos;
 643         gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp );
 644         gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp );
 645
 646         gtk_signal_connect( GTK_OBJECT(m_text), "changed",
 647           GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
 648
 649         /* bring editable's cursor uptodate. another bug in GTK. */
 650
 651         GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
 652     }
 653     else
 654     {
 655         gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos );
 656
 657         /* bring editable's cursor uptodate. bug in GTK. */
 658
 659         GTK_EDITABLE(m_text)->current_pos = pos;
 660     }
 661 }
 662
 663 void wxTextCtrl::SetInsertionPointEnd()
 664 {
 665     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 666
 667     if (m_windowStyle & wxTE_MULTILINE)
 668         SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text)));
 669     else
 670         gtk_entry_set_position( GTK_ENTRY(m_text), -1 );
 671 }
 672
 673 void wxTextCtrl::SetEditable( bool editable )
 674 {
 675     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 676
 677     if (m_windowStyle & wxTE_MULTILINE)
 678         gtk_text_set_editable( GTK_TEXT(m_text), editable );
 679     else
 680         gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
 681 }
 682
 683 void wxTextCtrl::SetSelection( long from, long to )
 684 {
 685     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 686
 687     gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
 688 }
 689
 690 void wxTextCtrl::ShowPosition( long WXUNUSED(pos) )
 691 {
 692     wxFAIL_MSG( _T("wxTextCtrl::ShowPosition not implemented") );
 693 }
 694
 695 long wxTextCtrl::GetInsertionPoint() const
 696 {
 697     wxCHECK_MSG( m_text != NULL, 0, _T("invalid text ctrl") );
 698
 699     return (long) GTK_EDITABLE(m_text)->current_pos;
 700 }
 701
 702 long wxTextCtrl::GetLastPosition() const
 703 {
 704     wxCHECK_MSG( m_text != NULL, 0, _T("invalid text ctrl") );
 705
 706     int pos = 0;
 707     if (m_windowStyle & wxTE_MULTILINE)
 708         pos = gtk_text_get_length( GTK_TEXT(m_text) );
 709     else
 710         pos = GTK_ENTRY(m_text)->text_length;
 711
 712     return (long)pos;
 713 }
 714
 715 void wxTextCtrl::Remove( long from, long to )
 716 {
 717     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 718
 719     gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
 720 }
 721
 722 void wxTextCtrl::Replace( long from, long to, const wxString &value )
 723 {
 724     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 725
 726     gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
 727     if (value.IsNull()) return;
 728     gint pos = (gint)from;
 729 #if wxUSE_UNICODE
 730     wxWX2MBbuf buf = value.mbc_str();
 731     gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos );
 732 #else
 733     gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
 734 #endif
 735 }
 736
 737 void wxTextCtrl::Cut()
 738 {
 739     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 740
 741 #if (GTK_MINOR_VERSION > 0)
 742     gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) );
 743 #else
 744     gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 );
 745 #endif
 746 }
 747
 748 void wxTextCtrl::Copy()
 749 {
 750     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 751
 752 #if (GTK_MINOR_VERSION > 0)
 753     gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) );
 754 #else
 755     gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 );
 756 #endif
 757 }
 758
 759 void wxTextCtrl::Paste()
 760 {
 761     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 762
 763 #if (GTK_MINOR_VERSION > 0)
 764     gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) );
 765 #else
 766     gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 );
 767 #endif
 768 }
 769
 770 bool wxTextCtrl::CanCopy() const
 771 {
 772     // Can copy if there's a selection
 773     long from, to;
 774     GetSelection(& from, & to);
 775     return (from != to) ;
 776 }
 777
 778 bool wxTextCtrl::CanCut() const
 779 {
 780     // Can cut if there's a selection
 781     long from, to;
 782     GetSelection(& from, & to);
 783     return (from != to) ;
 784 }
 785
 786 bool wxTextCtrl::CanPaste() const
 787 {
 788     return IsEditable() ;
 789 }
 790
 791 // Undo/redo
 792 void wxTextCtrl::Undo()
 793 {
 794     // TODO
 795     wxFAIL_MSG( _T("wxTextCtrl::Undo not implemented") );
 796 }
 797
 798 void wxTextCtrl::Redo()
 799 {
 800     // TODO
 801     wxFAIL_MSG( _T("wxTextCtrl::Redo not implemented") );
 802 }
 803
 804 bool wxTextCtrl::CanUndo() const
 805 {
 806     // TODO
 807     wxFAIL_MSG( _T("wxTextCtrl::CanUndo not implemented") );
 808     return FALSE;
 809 }
 810
 811 bool wxTextCtrl::CanRedo() const
 812 {
 813     // TODO
 814     wxFAIL_MSG( _T("wxTextCtrl::CanRedo not implemented") );
 815     return FALSE;
 816 }
 817
 818 // If the return values from and to are the same, there is no
 819 // selection.
 820 void wxTextCtrl::GetSelection(long* from, long* to) const
 821 {
 822     // TODO
 823     *from = 0;
 824     *to = 0;
 825     wxFAIL_MSG( _T("wxTextCtrl::GetSelection not implemented") );
 826 }
 827
 828 bool wxTextCtrl::IsEditable() const
 829 {
 830     // TODO
 831     wxFAIL_MSG( _T("wxTextCtrl::IsEditable not implemented") );
 832     return FALSE;
 833 }
 834
 835 void wxTextCtrl::Clear()
 836 {
 837     SetValue( _T("") );
 838 }
 839
 840 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
 841 {
 842     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 843
 844     if ((key_event.KeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
 845     {
 846         wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 847         event.SetEventObject(this);
 848         if (GetEventHandler()->ProcessEvent(event)) return;
 849     }
 850
 851     key_event.Skip();
 852 }
 853
 854 #ifndef NO_TEXT_WINDOW_STREAM
 855 int wxTextCtrl::overflow( int WXUNUSED(c) )
 856 {
 857     int len = pptr() - pbase();
 858     char *txt = new char[len+1];
 859     strncpy(txt, pbase(), len);
 860     txt[len] = '\0';
 861     (*this) << txt;
 862     setp(pbase(), epptr());
 863     delete[] txt;
 864     return EOF;
 865 }
 866
 867 int wxTextCtrl::sync()
 868 {
 869     int len = pptr() - pbase();
 870     char *txt = new char[len+1];
 871     strncpy(txt, pbase(), len);
 872     txt[len] = '\0';
 873     (*this) << txt;
 874     setp(pbase(), epptr());
 875     delete[] txt;
 876     return 0;
 877 }
 878
 879 int wxTextCtrl::underflow()
 880 {
 881     return EOF;
 882 }
 883
 884 wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
 885 {
 886     AppendText(s);
 887     return *this;
 888 }
 889
 890 wxTextCtrl& wxTextCtrl::operator<<(float f)
 891 {
 892     static char buf[100];
 893     sprintf(buf, "%.2f", f);
 894     AppendText(buf);
 895     return *this;
 896 }
 897
 898 wxTextCtrl& wxTextCtrl::operator<<(double d)
 899 {
 900     static char buf[100];
 901     sprintf(buf, "%.2f", d);
 902     AppendText(buf);
 903     return *this;
 904 }
 905
 906 wxTextCtrl& wxTextCtrl::operator<<(int i)
 907 {
 908     static char buf[100];
 909     sprintf(buf, "%i", i);
 910     AppendText(buf);
 911     return *this;
 912 }
 913
 914 wxTextCtrl& wxTextCtrl::operator<<(long i)
 915 {
 916     static char buf[100];
 917     sprintf(buf, "%ld", i);
 918     AppendText(buf);
 919     return *this;
 920 }
 921
 922 wxTextCtrl& wxTextCtrl::operator<<(const char c)
 923 {
 924     char buf[2];
 925
 926     buf[0] = c;
 927     buf[1] = 0;
 928     AppendText(buf);
 929     return *this;
 930 }
 931 #endif
 932
 933 GtkWidget* wxTextCtrl::GetConnectWidget()
 934 {
 935     return GTK_WIDGET(m_text);
 936 }
 937
 938 bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
 939 {
 940     if (m_windowStyle & wxTE_MULTILINE)
 941         return (window == GTK_TEXT(m_text)->text_area);
 942     else
 943         return (window == GTK_ENTRY(m_text)->text_area);
 944 }
 945
 946 void wxTextCtrl::SetFont( const wxFont &WXUNUSED(font) )
 947 {
 948     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 949
 950     // doesn't work
 951 }
 952
 953 void wxTextCtrl::SetForegroundColour( const wxColour &WXUNUSED(colour) )
 954 {
 955     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 956
 957     // doesn't work
 958 }
 959
 960 void wxTextCtrl::SetBackgroundColour( const wxColour &colour )
 961 {
 962     wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
 963
 964     wxControl::SetBackgroundColour( colour );
 965
 966     wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE );
 967     if (sysbg.Red() == colour.Red() &&
 968         sysbg.Green() == colour.Green() &&
 969         sysbg.Blue() == colour.Blue())
 970     {
 971         return;
 972     }
 973
 974     if (!m_backgroundColour.Ok()) return;
 975
 976     if (m_windowStyle & wxTE_MULTILINE)
 977     {
 978         GdkWindow *window = GTK_TEXT(m_text)->text_area;
 979         m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
 980         gdk_window_set_background( window, m_backgroundColour.GetColor() );
 981         gdk_window_clear( window );
 982     }
 983 }
 984
 985 void wxTextCtrl::ApplyWidgetStyle()
 986 {
 987     if (m_windowStyle & wxTE_MULTILINE)
 988     {
 989         // how ?
 990     }
 991     else
 992     {
 993         SetWidgetStyle();
 994         gtk_widget_set_style( m_text, m_widgetStyle );
 995     }
 996 }
 997
 998 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
 999 {
1000     Cut();
1001 }
1002
1003 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1004 {
1005     Copy();
1006 }
1007
1008 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1009 {
1010     Paste();
1011 }
1012
1013 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1014 {
1015     Undo();
1016 }
1017
1018 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1019 {
1020     Redo();
1021 }
1022
1023 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1024 {
1025     event.Enable( CanCut() );
1026 }
1027
1028 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1029 {
1030     event.Enable( CanCopy() );
1031 }
1032
1033 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1034 {
1035     event.Enable( CanPaste() );
1036 }
1037
1038 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1039 {
1040     event.Enable( CanUndo() );
1041 }
1042
1043 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1044 {
1045     event.Enable( CanRedo() );
1046 }