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