src/gtk/listbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        listbox.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "listbox.h"
  13 #endif
  14
  15 #include "wx/listbox.h"
  16
  17 #if wxUSE_LISTBOX
  18
  19 #include "wx/dynarray.h"
  20 #include "wx/utils.h"
  21 #include "wx/intl.h"
  22 #include "wx/checklst.h"
  23 #include "wx/settings.h"
  24
  25 #if wxUSE_TOOLTIPS
  26 #include "wx/tooltip.h"
  27 #endif
  28
  29 #if wxUSE_DRAG_AND_DROP
  30 #include "wx/dnd.h"
  31 #endif
  32
  33 #include "gdk/gdk.h"
  34 #include "gtk/gtk.h"
  35
  36 //-----------------------------------------------------------------------------
  37 // idle system
  38 //-----------------------------------------------------------------------------
  39
  40 extern void wxapp_install_idle_handler();
  41 extern bool g_isIdle;
  42
  43 //-------------------------------------------------------------------------
  44 // conditional compilation
  45 //-------------------------------------------------------------------------
  46
  47 #if (GTK_MINOR_VERSION > 0)
  48     #define NEW_GTK_SCROLL_CODE
  49 #endif
  50
  51 //-----------------------------------------------------------------------------
  52 // private functions
  53 //-----------------------------------------------------------------------------
  54
  55 #if wxUSE_CHECKLISTBOX
  56
  57 #define CHECKBOX_STRING "[-] "
  58
  59 // checklistboxes have "[±] " prepended to their lables, this macro removes it
  60 // (NB: 4 below is the length of CHECKBOX_STRING above)
  61 //
  62 // the argument to it is a "const char *" pointer
  63 #define GET_REAL_LABEL(label) ((m_hasCheckBoxes)?(label)+4 : (label))
  64
  65 #else // !wxUSE_CHECKLISTBOX
  66
  67 #define GET_REAL_LABEL(label) (label)
  68
  69 #endif // wxUSE_CHECKLISTBOX
  70
  71 //-----------------------------------------------------------------------------
  72 // data
  73 //-----------------------------------------------------------------------------
  74
  75 extern bool       g_blockEventsOnDrag;
  76 extern bool       g_blockEventsOnScroll;
  77 extern wxCursor   g_globalCursor;
  78
  79 static bool       g_hasDoubleClicked = FALSE;
  80
  81 //-----------------------------------------------------------------------------
  82 // "button_release_event"
  83 //-----------------------------------------------------------------------------
  84
  85 /* we would normally emit a wxEVT_COMMAND_LISTBOX_DOUBLECLICKED event once
  86    a GDK_2BUTTON_PRESS occurs, but this has the particular problem of the
  87    listbox keeping the focus until it receives a GDK_BUTTON_RELEASE event.
  88    this can lead to race conditions so that we emit the dclick event
  89    after the GDK_BUTTON_RELEASE event after the GDK_2BUTTON_PRESS event */
  90
  91 static gint
  92 gtk_listbox_button_release_callback( GtkWidget * WXUNUSED(widget),
  93                                      GdkEventButton * WXUNUSED(gdk_event),
  94                                      wxListBox *listbox )
  95 {
  96     if (g_isIdle) wxapp_install_idle_handler();
  97
  98     if (g_blockEventsOnDrag) return FALSE;
  99     if (g_blockEventsOnScroll) return FALSE;
 100
 101     if (!listbox->m_hasVMT) return FALSE;
 102
 103     if (!g_hasDoubleClicked) return FALSE;
 104
 105         wxCommandEvent event( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
 106         event.SetEventObject( listbox );
 107
 108         wxArrayInt aSelections;
 109         int count = listbox->GetSelections(aSelections);
 110         if ( count > 0 )
 111         {
 112             event.m_commandInt = aSelections[0] ;
 113             event.m_clientData = listbox->GetClientData( event.m_commandInt );
 114             wxString str(listbox->GetString(event.m_commandInt));
 115             if (!str.IsEmpty()) event.m_commandString = str;
 116         }
 117         else
 118         {
 119             event.m_commandInt = -1 ;
 120             event.m_commandString.Empty();
 121         }
 122
 123         listbox->GetEventHandler()->ProcessEvent( event );
 124
 125     return FALSE;
 126 }
 127
 128 //-----------------------------------------------------------------------------
 129 // "button_press_event"
 130 //-----------------------------------------------------------------------------
 131
 132 static gint
 133 gtk_listbox_button_press_callback( GtkWidget *widget,
 134                                    GdkEventButton *gdk_event,
 135                                    wxListBox *listbox )
 136 {
 137     if (g_isIdle) wxapp_install_idle_handler();
 138
 139     if (g_blockEventsOnDrag) return FALSE;
 140     if (g_blockEventsOnScroll) return FALSE;
 141
 142     if (!listbox->m_hasVMT) return FALSE;
 143
 144     int sel = listbox->GetIndex( widget );
 145
 146 #if wxUSE_CHECKLISTBOX
 147     if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
 148     {
 149         wxCheckListBox *clb = (wxCheckListBox *)listbox;
 150
 151         clb->Check( sel, !clb->IsChecked(sel) );
 152
 153         wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
 154         event.SetEventObject( listbox );
 155         event.SetInt( sel );
 156         listbox->GetEventHandler()->ProcessEvent( event );
 157     }
 158 #endif // wxUSE_CHECKLISTBOX
 159
 160     /* emit wxEVT_COMMAND_LISTBOX_DOUBLECLICKED later */
 161     g_hasDoubleClicked = (gdk_event->type == GDK_2BUTTON_PRESS);
 162
 163     return FALSE;
 164 }
 165
 166 //-----------------------------------------------------------------------------
 167 // "key_press_event"
 168 //-----------------------------------------------------------------------------
 169
 170 #if wxUSE_CHECKLISTBOX
 171 static gint
 172 gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
 173 {
 174     if (g_isIdle) wxapp_install_idle_handler();
 175
 176     if (g_blockEventsOnDrag) return FALSE;
 177
 178     if (!listbox->m_hasVMT) return FALSE;
 179
 180     if (gdk_event->keyval != ' ') return FALSE;
 181
 182     int sel = listbox->GetIndex( widget );
 183
 184     wxCheckListBox *clb = (wxCheckListBox *)listbox;
 185
 186     clb->Check( sel, !clb->IsChecked(sel) );
 187
 188     wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
 189     event.SetEventObject( listbox );
 190     event.SetInt( sel );
 191     listbox->GetEventHandler()->ProcessEvent( event );
 192
 193     return FALSE;
 194 }
 195 #endif // wxUSE_CHECKLISTBOX
 196
 197 //-----------------------------------------------------------------------------
 198 // "select" and "deselect"
 199 //-----------------------------------------------------------------------------
 200
 201 static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox );
 202
 203 static void gtk_listitem_deselect_callback( GtkWidget *widget, wxListBox *listbox )
 204 {
 205     gtk_listitem_select_callback( widget, listbox );
 206 }
 207
 208 static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox )
 209 {
 210     if (g_isIdle) wxapp_install_idle_handler();
 211
 212     if (!listbox->m_hasVMT) return;
 213     if (g_blockEventsOnDrag) return;
 214
 215     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
 216
 217     wxArrayInt aSelections;
 218     int count = listbox->GetSelections(aSelections);
 219     if ( count > 0 )
 220     {
 221         event.m_commandInt = aSelections[0] ;
 222         event.m_clientData = listbox->GetClientData( event.m_commandInt );
 223         wxString str(listbox->GetString(event.m_commandInt));
 224         if (!str.IsEmpty()) event.m_commandString = str;
 225     }
 226     else
 227     {
 228         event.m_commandInt = -1 ;
 229         event.m_commandString.Empty();
 230     }
 231
 232     event.SetEventObject( listbox );
 233
 234     listbox->GetEventHandler()->ProcessEvent( event );
 235 }
 236
 237 //-----------------------------------------------------------------------------
 238 // wxListBox
 239 //-----------------------------------------------------------------------------
 240
 241 IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)
 242
 243 wxListBox::wxListBox()
 244 {
 245     m_list = (GtkList *) NULL;
 246 #if wxUSE_CHECKLISTBOX
 247     m_hasCheckBoxes = FALSE;
 248 #endif // wxUSE_CHECKLISTBOX
 249 }
 250
 251 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 252                         const wxPoint &pos, const wxSize &size,
 253                         int n, const wxString choices[],
 254                         long style, const wxValidator& validator, const wxString &name )
 255 {
 256     m_needParent = TRUE;
 257     m_acceptsFocus = TRUE;
 258
 259     if (!PreCreation( parent, pos, size ) ||
 260         !CreateBase( parent, id, pos, size, style, validator, name ))
 261     {
 262         wxFAIL_MSG( T("wxListBox creation failed") );
 263         return FALSE;
 264     }
 265
 266     m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL );
 267     if (style & wxLB_ALWAYS_SB)
 268     {
 269       gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 270         GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS );
 271     }
 272     else
 273     {
 274       gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 275         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 276     }
 277
 278     m_list = GTK_LIST( gtk_list_new() );
 279
 280     GtkSelectionMode mode = GTK_SELECTION_BROWSE;
 281     if (style & wxLB_MULTIPLE)
 282         mode = GTK_SELECTION_MULTIPLE;
 283     else if (style & wxLB_EXTENDED)
 284         mode = GTK_SELECTION_EXTENDED;
 285
 286     gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
 287
 288 #ifdef NEW_GTK_SCROLL_CODE
 289     gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) );
 290 #else
 291     gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
 292 #endif
 293
 294     gtk_widget_show( GTK_WIDGET(m_list) );
 295
 296     wxSize newSize = size;
 297     if (newSize.x == -1) newSize.x = 100;
 298     if (newSize.y == -1) newSize.y = 110;
 299     SetSize( newSize.x, newSize.y );
 300
 301     for (int i = 0; i < n; i++)
 302     {
 303         m_clientDataList.Append( (wxObject*) NULL );
 304         m_clientObjectList.Append( (wxObject*) NULL );
 305
 306         GtkWidget *list_item;
 307
 308         wxString str(choices[i]);
 309 #if wxUSE_CHECKLISTBOX
 310         if (m_hasCheckBoxes)
 311         {
 312             str.Prepend(CHECKBOX_STRING);
 313         }
 314 #endif // wxUSE_CHECKLISTBOX
 315
 316         list_item = gtk_list_item_new_with_label( str.mbc_str() );
 317
 318         gtk_container_add( GTK_CONTAINER(m_list), list_item );
 319
 320         gtk_signal_connect( GTK_OBJECT(list_item), "select",
 321           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 322
 323         if (style & wxLB_MULTIPLE)
 324             gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
 325               GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
 326
 327         gtk_signal_connect( GTK_OBJECT(list_item),
 328                             "button_press_event",
 329                             (GtkSignalFunc)gtk_listbox_button_press_callback,
 330                             (gpointer) this );
 331
 332         gtk_signal_connect_after( GTK_OBJECT(list_item),
 333                             "button_release_event",
 334                             (GtkSignalFunc)gtk_listbox_button_release_callback,
 335                             (gpointer) this );
 336
 337 #if wxUSE_CHECKLISTBOX
 338         if (m_hasCheckBoxes)
 339         {
 340             gtk_signal_connect( GTK_OBJECT(list_item),
 341                             "key_press_event",
 342                             (GtkSignalFunc)gtk_listbox_key_press_callback,
 343                             (gpointer)this );
 344         }
 345 #endif // wxUSE_CHECKLISTBOX
 346
 347         ConnectWidget( list_item );
 348
 349         gtk_widget_show( list_item );
 350     }
 351
 352     m_parent->DoAddChild( this );
 353
 354     PostCreation();
 355
 356     SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_WINDOW ) );
 357     SetForegroundColour( parent->GetForegroundColour() );
 358     SetFont( parent->GetFont() );
 359
 360     Show( TRUE );
 361
 362     return TRUE;
 363 }
 364
 365 wxListBox::~wxListBox()
 366 {
 367     Clear();
 368 }
 369
 370 void wxListBox::InsertItems(int nItems, const wxString items[], int pos)
 371 {
 372     wxCHECK_RET( m_list != NULL, T("invalid listbox") );
 373
 374     GList *children = m_list->children;
 375     int length = g_list_length(children);
 376     wxCHECK_RET( pos <= length, T("invalid index in wxListBox::InsertItems") );
 377
 378     // VZ: it seems that GTK 1.0.6 doesn't has a function to insert an item
 379     //     into a listbox at the given position, this is why we first delete
 380     //     all items after this position, then append these items and then
 381     //     reappend back the old ones.
 382
 383     // first detach the old items
 384     int n; // loop var
 385
 386     if ( pos == length )
 387     {
 388         // no need to do anything complicated
 389         for ( n = 0; n < nItems; n++ )
 390         {
 391             Append(items[n]);
 392         }
 393
 394         return;
 395     }
 396
 397     wxArrayString deletedLabels;
 398     wxArrayPtrVoid deletedData;
 399     wxArrayInt deletedChecks;   // only for check list boxes
 400
 401     GList *child = g_list_nth( children, pos );
 402     for ( n = 0; child != NULL; n++, child = child->next )
 403     {
 404         // save label
 405         GtkBin *bin = GTK_BIN( child->data );
 406         GtkLabel *label = GTK_LABEL( bin->child );
 407
 408         wxString str(GET_REAL_LABEL(label->label),*wxConvCurrent);
 409         deletedLabels.Add(str);
 410
 411         // save data
 412         void *clientData = NULL;
 413         wxNode *node = NULL;
 414
 415         if ( n < (int)m_clientObjectList.GetCount() )
 416             node = m_clientObjectList.Nth( n );
 417
 418         if ( node )
 419         {
 420             clientData = node->GetData();
 421             m_clientObjectList.DeleteNode( node );
 422         }
 423
 424         if ( !clientData )
 425         {
 426             if ( n < (int)m_clientDataList.GetCount() )
 427                 node = m_clientDataList.Nth( n );
 428
 429             if ( node )
 430             {
 431                 clientData = node->GetData();
 432                 node = m_clientDataList.Nth( n );
 433             }
 434         }
 435
 436         deletedData.Add(clientData);
 437
 438 #if wxUSE_CHECKLISTBOX
 439         // save check state
 440         if ( m_hasCheckBoxes )
 441         {
 442             deletedChecks.Add(((wxCheckListBox *)this)->IsChecked(pos + n));
 443         }
 444 #endif // wxUSE_CHECKLISTBOX
 445     }
 446
 447     int nDeletedCount = n;
 448
 449     gtk_list_clear_items( m_list, pos, length );
 450
 451     // now append the new items
 452     for ( n = 0; n < nItems; n++ )
 453     {
 454         Append(items[n]);
 455     }
 456
 457     // and append the old items too
 458     pos += nItems;  // now the indices are shifter
 459     for ( n = 0; n < nDeletedCount; n++ )
 460     {
 461         Append(deletedLabels[n], deletedData[n]);
 462
 463 #if wxUSE_CHECKLISTBOX
 464         if ( m_hasCheckBoxes )
 465         {
 466             ((wxCheckListBox *)this)->Check(pos + n, (bool)deletedChecks[n]);
 467         }
 468 #endif // wxUSE_CHECKLISTBOX
 469     }
 470 }
 471
 472 void wxListBox::AppendCommon( const wxString &item )
 473 {
 474     wxCHECK_RET( m_list != NULL, T("invalid listbox") );
 475
 476     GtkWidget *list_item;
 477
 478     wxString label(item);
 479 #if wxUSE_CHECKLISTBOX
 480     if (m_hasCheckBoxes)
 481     {
 482         label.Prepend(CHECKBOX_STRING);
 483     }
 484 #endif // wxUSE_CHECKLISTBOX
 485
 486     list_item = gtk_list_item_new_with_label( label.mbc_str() );
 487
 488     gtk_container_add( GTK_CONTAINER(m_list), list_item );
 489
 490     gtk_signal_connect( GTK_OBJECT(list_item), "select",
 491       GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 492
 493     if (HasFlag(wxLB_MULTIPLE))
 494         gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
 495           GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
 496
 497     gtk_signal_connect( GTK_OBJECT(list_item),
 498                         "button_press_event",
 499                         (GtkSignalFunc)gtk_listbox_button_press_callback,
 500                         (gpointer) this );
 501
 502     gtk_signal_connect_after( GTK_OBJECT(list_item),
 503                         "button_release_event",
 504                         (GtkSignalFunc)gtk_listbox_button_release_callback,
 505                         (gpointer) this );
 506
 507 #if wxUSE_CHECKLISTBOX
 508     if (m_hasCheckBoxes)
 509     {
 510        gtk_signal_connect( GTK_OBJECT(list_item),
 511                            "key_press_event",
 512                            (GtkSignalFunc)gtk_listbox_key_press_callback,
 513                            (gpointer)this );
 514     }
 515 #endif // wxUSE_CHECKLISTBOX
 516
 517     gtk_widget_show( list_item );
 518
 519     ConnectWidget( list_item );
 520
 521     if (GTK_WIDGET_REALIZED(m_widget))
 522     {
 523         gtk_widget_realize( list_item );
 524         gtk_widget_realize( GTK_BIN(list_item)->child );
 525
 526         //if (m_widgetStyle) ApplyWidgetStyle();
 527         if (m_widgetStyle) {
 528             // Apply current widget style to the new list_item
 529             gtk_widget_set_style( GTK_WIDGET( list_item ), m_widgetStyle );
 530             GtkBin *bin = GTK_BIN( list_item );
 531             GtkWidget *label = GTK_WIDGET( bin->child );
 532             gtk_widget_set_style( label, m_widgetStyle );
 533         }
 534
 535 #if wxUSE_DRAG_AND_DROP
 536 #ifndef NEW_GTK_DND_CODE
 537         if (m_dropTarget) m_dropTarget->RegisterWidget( list_item );
 538 #endif
 539 #endif
 540
 541 #if wxUSE_TOOLTIPS
 542         if (m_tooltip) m_tooltip->Apply( this );
 543 #endif
 544     }
 545 }
 546
 547 void wxListBox::Append( const wxString &item )
 548 {
 549     m_clientDataList.Append( (wxObject*) NULL );
 550     m_clientObjectList.Append( (wxObject*) NULL );
 551
 552     AppendCommon( item );
 553 }
 554
 555 void wxListBox::Append( const wxString &item, void *clientData )
 556 {
 557     m_clientDataList.Append( (wxObject*) clientData );
 558     m_clientObjectList.Append( (wxObject*) NULL );
 559
 560     AppendCommon( item );
 561 }
 562
 563 void wxListBox::Append( const wxString &item, wxClientData *clientData )
 564 {
 565     m_clientObjectList.Append( (wxObject*) clientData );
 566     m_clientDataList.Append( (wxObject*) NULL );
 567
 568     AppendCommon( item );
 569 }
 570
 571 void wxListBox::SetClientData( int n, void* clientData )
 572 {
 573     wxCHECK_RET( m_widget != NULL, T("invalid combobox") );
 574
 575     wxNode *node = m_clientDataList.Nth( n );
 576     if (!node) return;
 577
 578     node->SetData( (wxObject*) clientData );
 579 }
 580
 581 void* wxListBox::GetClientData( int n )
 582 {
 583     wxCHECK_MSG( m_widget != NULL, NULL, T("invalid combobox") );
 584
 585     wxNode *node = m_clientDataList.Nth( n );
 586     if (!node) return NULL;
 587
 588     return node->Data();
 589 }
 590
 591 void wxListBox::SetClientObject( int n, wxClientData* clientData )
 592 {
 593     wxCHECK_RET( m_widget != NULL, T("invalid combobox") );
 594
 595     wxNode *node = m_clientObjectList.Nth( n );
 596     if (!node) return;
 597
 598     wxClientData *cd = (wxClientData*) node->Data();
 599     if (cd) delete cd;
 600
 601     node->SetData( (wxObject*) clientData );
 602 }
 603
 604 wxClientData* wxListBox::GetClientObject( int n )
 605 {
 606     wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, T("invalid combobox") );
 607
 608     wxNode *node = m_clientObjectList.Nth( n );
 609     if (!node) return (wxClientData*) NULL;
 610
 611     return (wxClientData*) node->Data();
 612 }
 613
 614 void wxListBox::Clear()
 615 {
 616     wxCHECK_RET( m_list != NULL, T("invalid listbox") );
 617
 618     gtk_list_clear_items( m_list, 0, Number() );
 619
 620     wxNode *node = m_clientObjectList.First();
 621     while (node)
 622     {
 623         wxClientData *cd = (wxClientData*)node->Data();
 624         if (cd) delete cd;
 625         node = node->Next();
 626     }
 627     m_clientObjectList.Clear();
 628
 629     m_clientDataList.Clear();
 630 }
 631
 632 void wxListBox::Delete( int n )
 633 {
 634     wxCHECK_RET( m_list != NULL, T("invalid listbox") );
 635
 636     GList *child = g_list_nth( m_list->children, n );
 637
 638     wxCHECK_RET( child, T("wrong listbox index") );
 639
 640     GList *list = g_list_append( (GList*) NULL, child->data );
 641     gtk_list_remove_items( m_list, list );
 642     g_list_free( list );
 643
 644     wxNode *node = m_clientObjectList.Nth( n );
 645     if (node)
 646     {
 647         wxClientData *cd = (wxClientData*)node->Data();
 648         if (cd) delete cd;
 649         m_clientObjectList.DeleteNode( node );
 650     }
 651
 652     node = m_clientDataList.Nth( n );
 653     if (node)
 654     {
 655         m_clientDataList.DeleteNode( node );
 656     }
 657 }
 658
 659 void wxListBox::Deselect( int n )
 660 {
 661     wxCHECK_RET( m_list != NULL, T("invalid listbox") );
 662
 663     DisableEvents();
 664
 665     gtk_list_unselect_item( m_list, n );
 666
 667     EnableEvents();
 668 }
 669
 670 int wxListBox::FindString( const wxString &item ) const
 671 {
 672     wxCHECK_MSG( m_list != NULL, -1, T("invalid listbox") );
 673
 674     GList *child = m_list->children;
 675     int count = 0;
 676     while (child)
 677     {
 678         GtkBin *bin = GTK_BIN( child->data );
 679         GtkLabel *label = GTK_LABEL( bin->child );
 680
 681         wxString str = wxString(GET_REAL_LABEL(label->label),*wxConvCurrent);
 682
 683         if (str == item)
 684             return count;
 685
 686         count++;
 687         child = child->next;
 688     }
 689
 690   // it's not an error if the string is not found -> no wxCHECK
 691
 692   return -1;
 693 }
 694
 695 int wxListBox::GetSelection() const
 696 {
 697     wxCHECK_MSG( m_list != NULL, -1, T("invalid listbox") );
 698
 699     GList *child = m_list->children;
 700     int count = 0;
 701     while (child)
 702     {
 703         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
 704         count++;
 705         child = child->next;
 706     }
 707     return -1;
 708 }
 709
 710 int wxListBox::GetSelections( wxArrayInt& aSelections ) const
 711 {
 712     wxCHECK_MSG( m_list != NULL, -1, T("invalid listbox") );
 713
 714     // get the number of selected items first
 715     GList *child = m_list->children;
 716     int count = 0;
 717     for (child = m_list->children; child != NULL; child = child->next)
 718     {
 719         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 720             count++;
 721     }
 722
 723     aSelections.Empty();
 724
 725     if (count > 0)
 726     {
 727         // now fill the list
 728         aSelections.Alloc(count); // optimization attempt
 729         int i = 0;
 730         for (child = m_list->children; child != NULL; child = child->next, i++)
 731         {
 732             if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 733                  aSelections.Add(i);
 734         }
 735     }
 736
 737     return count;
 738 }
 739
 740 wxString wxListBox::GetString( int n ) const
 741 {
 742     wxCHECK_MSG( m_list != NULL, T(""), T("invalid listbox") );
 743
 744     GList *child = g_list_nth( m_list->children, n );
 745     if (child)
 746     {
 747         GtkBin *bin = GTK_BIN( child->data );
 748         GtkLabel *label = GTK_LABEL( bin->child );
 749
 750         wxString str = wxString(GET_REAL_LABEL(label->label),*wxConvCurrent);
 751
 752         return str;
 753     }
 754
 755     wxFAIL_MSG(T("wrong listbox index"));
 756
 757     return T("");
 758 }
 759
 760 wxString wxListBox::GetStringSelection() const
 761 {
 762     wxCHECK_MSG( m_list != NULL, T(""), T("invalid listbox") );
 763
 764     GList *selection = m_list->selection;
 765     if (selection)
 766     {
 767         GtkBin *bin = GTK_BIN( selection->data );
 768         GtkLabel *label = GTK_LABEL( bin->child );
 769
 770         wxString str = wxString(GET_REAL_LABEL(label->label),*wxConvCurrent);
 771
 772         return str;
 773     }
 774
 775     wxFAIL_MSG(T("no listbox selection available"));
 776     return T("");
 777 }
 778
 779 int wxListBox::Number()
 780 {
 781     wxCHECK_MSG( m_list != NULL, -1, T("invalid listbox") );
 782
 783     GList *child = m_list->children;
 784     int count = 0;
 785     while (child) { count++; child = child->next; }
 786     return count;
 787 }
 788
 789 bool wxListBox::Selected( int n )
 790 {
 791     wxCHECK_MSG( m_list != NULL, FALSE, T("invalid listbox") );
 792
 793     GList *target = g_list_nth( m_list->children, n );
 794     if (target)
 795     {
 796         GList *child = m_list->selection;
 797         while (child)
 798         {
 799             if (child->data == target->data) return TRUE;
 800             child = child->next;
 801         }
 802     }
 803     wxFAIL_MSG(T("wrong listbox index"));
 804     return FALSE;
 805 }
 806
 807 void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) )
 808 {
 809     wxFAIL_MSG(T("wxListBox::Set not implemented"));
 810 }
 811
 812 void wxListBox::SetFirstItem( int WXUNUSED(n) )
 813 {
 814     wxFAIL_MSG(T("wxListBox::SetFirstItem not implemented"));
 815 }
 816
 817 void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
 818 {
 819     wxFAIL_MSG(T("wxListBox::SetFirstItem not implemented"));
 820 }
 821
 822 void wxListBox::SetSelection( int n, bool select )
 823 {
 824     wxCHECK_RET( m_list != NULL, T("invalid listbox") );
 825
 826     DisableEvents();
 827
 828     if (select)
 829         gtk_list_select_item( m_list, n );
 830     else
 831         gtk_list_unselect_item( m_list, n );
 832
 833     EnableEvents();
 834 }
 835
 836 void wxListBox::SetString( int n, const wxString &string )
 837 {
 838     wxCHECK_RET( m_list != NULL, T("invalid listbox") );
 839
 840     GList *child = g_list_nth( m_list->children, n );
 841     if (child)
 842     {
 843         GtkBin *bin = GTK_BIN( child->data );
 844         GtkLabel *label = GTK_LABEL( bin->child );
 845
 846         wxString str;
 847 #if wxUSE_CHECKLISTBOX
 848         if (m_hasCheckBoxes)
 849             str += CHECKBOX_STRING;
 850 #endif // wxUSE_CHECKLISTBOX
 851         str += string;
 852
 853         gtk_label_set( label, str.mbc_str() );
 854     }
 855     else
 856     {
 857         wxFAIL_MSG(T("wrong listbox index"));
 858     }
 859 }
 860
 861 void wxListBox::SetStringSelection( const wxString &string, bool select )
 862 {
 863     wxCHECK_RET( m_list != NULL, T("invalid listbox") );
 864
 865     SetSelection( FindString(string), select );
 866 }
 867
 868 int wxListBox::GetIndex( GtkWidget *item ) const
 869 {
 870     if (item)
 871     {
 872         GList *child = m_list->children;
 873         int count = 0;
 874         while (child)
 875         {
 876             if (GTK_WIDGET(child->data) == item) return count;
 877             count++;
 878             child = child->next;
 879         }
 880     }
 881     return -1;
 882 }
 883
 884 #if wxUSE_TOOLTIPS
 885 void wxListBox::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
 886 {
 887     GList *child = m_list->children;
 888     while (child)
 889     {
 890         gtk_tooltips_set_tip( tips, GTK_WIDGET( child->data ), wxConvCurrent->cWX2MB(tip), (gchar*) NULL );
 891         child = child->next;
 892     }
 893 }
 894 #endif // wxUSE_TOOLTIPS
 895
 896 #if wxUSE_DRAG_AND_DROP
 897 void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
 898 {
 899     wxCHECK_RET( m_list != NULL, T("invalid listbox") );
 900
 901 #ifndef NEW_GTK_DND_CODE
 902     if (m_dropTarget)
 903     {
 904         GList *child = m_list->children;
 905         while (child)
 906         {
 907             m_dropTarget->UnregisterWidget( GTK_WIDGET( child->data ) );
 908             child = child->next;
 909         }
 910     }
 911 #endif
 912
 913     wxWindow::SetDropTarget( dropTarget );
 914
 915 #ifndef NEW_GTK_DND_CODE
 916     if (m_dropTarget)
 917     {
 918         GList *child = m_list->children;
 919         while (child)
 920         {
 921             m_dropTarget->RegisterWidget( GTK_WIDGET( child->data ) );
 922             child = child->next;
 923         }
 924     }
 925 #endif
 926 }
 927 #endif
 928
 929 void wxListBox::DisableEvents()
 930 {
 931     GList *child = m_list->children;
 932     while (child)
 933     {
 934         gtk_signal_disconnect_by_func( GTK_OBJECT(child->data),
 935           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 936
 937         if (HasFlag(wxLB_MULTIPLE))
 938             gtk_signal_disconnect_by_func( GTK_OBJECT(child->data),
 939               GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
 940
 941         child = child->next;
 942     }
 943 }
 944
 945 void wxListBox::EnableEvents()
 946 {
 947     GList *child = m_list->children;
 948     while (child)
 949     {
 950         gtk_signal_connect( GTK_OBJECT(child->data), "select",
 951           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 952
 953         if (HasFlag(wxLB_MULTIPLE))
 954             gtk_signal_connect( GTK_OBJECT(child->data), "deselect",
 955               GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
 956
 957         child = child->next;
 958     }
 959 }
 960
 961 GtkWidget *wxListBox::GetConnectWidget()
 962 {
 963     return GTK_WIDGET(m_list);
 964 }
 965
 966 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
 967 {
 968     if (wxWindow::IsOwnGtkWindow( window )) return TRUE;
 969
 970     GList *child = m_list->children;
 971     while (child)
 972     {
 973         GtkWidget *bin = GTK_WIDGET( child->data );
 974         if (bin->window == window) return TRUE;
 975         child = child->next;
 976     }
 977
 978     return FALSE;
 979 }
 980
 981 void wxListBox::ApplyWidgetStyle()
 982 {
 983     SetWidgetStyle();
 984
 985     if (m_backgroundColour.Ok())
 986     {
 987         GdkWindow *window = GTK_WIDGET(m_list)->window;
 988         if ( window )
 989         {
 990             m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
 991             gdk_window_set_background( window, m_backgroundColour.GetColor() );
 992             gdk_window_clear( window );
 993         }
 994     }
 995
 996     GList *child = m_list->children;
 997     while (child)
 998     {
 999         gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
1000
1001         GtkBin *bin = GTK_BIN( child->data );
1002         GtkWidget *label = GTK_WIDGET( bin->child );
1003         gtk_widget_set_style( label, m_widgetStyle );
1004
1005         child = child->next;
1006     }
1007 }
1008
1009 void wxListBox::OnInternalIdle()
1010 {
1011     wxCursor cursor = m_cursor;
1012     if (g_globalCursor.Ok()) cursor = g_globalCursor;
1013
1014     if (GTK_WIDGET(m_list)->window && cursor.Ok())
1015     {
1016         /* I now set the cursor the anew in every OnInternalIdle call
1017            as setting the cursor in a parent window also effects the
1018            windows above so that checking for the current cursor is
1019            not possible. */
1020
1021         gdk_window_set_cursor( GTK_WIDGET(m_list)->window, cursor.GetCursor() );
1022
1023         GList *child = m_list->children;
1024         while (child)
1025         {
1026             GtkBin *bin = GTK_BIN( child->data );
1027             GtkWidget *label = GTK_WIDGET( bin->child );
1028
1029             if (!label->window)
1030                 break;
1031             else
1032                 gdk_window_set_cursor( label->window, cursor.GetCursor() );
1033
1034             child = child->next;
1035         }
1036     }
1037
1038     UpdateWindowUI();
1039 }
1040
1041 #endif