src/gtk1/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( wxT("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     /* make list scroll when moving the focus down using cursor keys */
 295     gtk_container_set_focus_vadjustment(
 296         GTK_CONTAINER(m_list),
 297         gtk_scrolled_window_get_vadjustment(
 298             GTK_SCROLLED_WINDOW(m_widget)));
 299
 300     gtk_widget_show( GTK_WIDGET(m_list) );
 301
 302     wxSize newSize = size;
 303     if (newSize.x == -1) newSize.x = 100;
 304     if (newSize.y == -1) newSize.y = 110;
 305     SetSize( newSize.x, newSize.y );
 306
 307     for (int i = 0; i < n; i++)
 308     {
 309         m_clientDataList.Append( (wxObject*) NULL );
 310         m_clientObjectList.Append( (wxObject*) NULL );
 311
 312         GtkWidget *list_item;
 313
 314         wxString str(choices[i]);
 315 #if wxUSE_CHECKLISTBOX
 316         if (m_hasCheckBoxes)
 317         {
 318             str.Prepend(CHECKBOX_STRING);
 319         }
 320 #endif // wxUSE_CHECKLISTBOX
 321
 322         list_item = gtk_list_item_new_with_label( str.mbc_str() );
 323
 324         gtk_container_add( GTK_CONTAINER(m_list), list_item );
 325
 326         gtk_signal_connect( GTK_OBJECT(list_item), "select",
 327           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 328
 329         if (style & wxLB_MULTIPLE)
 330             gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
 331               GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
 332
 333         gtk_signal_connect( GTK_OBJECT(list_item),
 334                             "button_press_event",
 335                             (GtkSignalFunc)gtk_listbox_button_press_callback,
 336                             (gpointer) this );
 337
 338         gtk_signal_connect_after( GTK_OBJECT(list_item),
 339                             "button_release_event",
 340                             (GtkSignalFunc)gtk_listbox_button_release_callback,
 341                             (gpointer) this );
 342
 343 #if wxUSE_CHECKLISTBOX
 344         if (m_hasCheckBoxes)
 345         {
 346             gtk_signal_connect( GTK_OBJECT(list_item),
 347                             "key_press_event",
 348                             (GtkSignalFunc)gtk_listbox_key_press_callback,
 349                             (gpointer)this );
 350         }
 351 #endif // wxUSE_CHECKLISTBOX
 352
 353         ConnectWidget( list_item );
 354
 355         gtk_widget_show( list_item );
 356     }
 357
 358     m_parent->DoAddChild( this );
 359
 360     PostCreation();
 361
 362     SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_WINDOW ) );
 363     SetForegroundColour( parent->GetForegroundColour() );
 364     SetFont( parent->GetFont() );
 365
 366     Show( TRUE );
 367
 368     return TRUE;
 369 }
 370
 371 wxListBox::~wxListBox()
 372 {
 373     Clear();
 374 }
 375
 376 void wxListBox::InsertItems(int nItems, const wxString items[], int pos)
 377 {
 378     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 379
 380     GList *children = m_list->children;
 381     int length = g_list_length(children);
 382     wxCHECK_RET( pos <= length, wxT("invalid index in wxListBox::InsertItems") );
 383
 384     // VZ: it seems that GTK 1.0.6 doesn't has a function to insert an item
 385     //     into a listbox at the given position, this is why we first delete
 386     //     all items after this position, then append these items and then
 387     //     reappend back the old ones.
 388
 389     // first detach the old items
 390     int n; // loop var
 391
 392     if ( pos == length )
 393     {
 394         // no need to do anything complicated
 395         for ( n = 0; n < nItems; n++ )
 396         {
 397             Append(items[n]);
 398         }
 399
 400         return;
 401     }
 402
 403     wxArrayString deletedLabels;
 404     wxArrayPtrVoid deletedData;
 405     wxArrayInt deletedChecks;   // only for check list boxes
 406
 407     GList *child = g_list_nth( children, pos );
 408     for ( n = 0; child != NULL; n++, child = child->next )
 409     {
 410         // save label
 411         GtkBin *bin = GTK_BIN( child->data );
 412         GtkLabel *label = GTK_LABEL( bin->child );
 413
 414         wxString str(GET_REAL_LABEL(label->label),*wxConvCurrent);
 415         deletedLabels.Add(str);
 416
 417         // save data
 418         void *clientData = NULL;
 419         wxNode *node = NULL;
 420
 421         if ( n < (int)m_clientObjectList.GetCount() )
 422             node = m_clientObjectList.Nth( n );
 423
 424         if ( node )
 425         {
 426             clientData = node->GetData();
 427             m_clientObjectList.DeleteNode( node );
 428         }
 429
 430         if ( !clientData )
 431         {
 432             if ( n < (int)m_clientDataList.GetCount() )
 433                 node = m_clientDataList.Nth( n );
 434
 435             if ( node )
 436             {
 437                 clientData = node->GetData();
 438                 node = m_clientDataList.Nth( n );
 439             }
 440         }
 441
 442         deletedData.Add(clientData);
 443
 444 #if wxUSE_CHECKLISTBOX
 445         // save check state
 446         if ( m_hasCheckBoxes )
 447         {
 448             deletedChecks.Add(((wxCheckListBox *)this)->IsChecked(pos + n));
 449         }
 450 #endif // wxUSE_CHECKLISTBOX
 451     }
 452
 453     int nDeletedCount = n;
 454
 455     gtk_list_clear_items( m_list, pos, length );
 456
 457     // now append the new items
 458     for ( n = 0; n < nItems; n++ )
 459     {
 460         Append(items[n]);
 461     }
 462
 463     // and append the old items too
 464     pos += nItems;  // now the indices are shifter
 465     for ( n = 0; n < nDeletedCount; n++ )
 466     {
 467         Append(deletedLabels[n], deletedData[n]);
 468
 469 #if wxUSE_CHECKLISTBOX
 470         if ( m_hasCheckBoxes )
 471         {
 472             ((wxCheckListBox *)this)->Check(pos + n, (bool)deletedChecks[n]);
 473         }
 474 #endif // wxUSE_CHECKLISTBOX
 475     }
 476 }
 477
 478 void wxListBox::AppendCommon( const wxString &item )
 479 {
 480     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 481
 482     GtkWidget *list_item;
 483
 484     wxString label(item);
 485 #if wxUSE_CHECKLISTBOX
 486     if (m_hasCheckBoxes)
 487     {
 488         label.Prepend(CHECKBOX_STRING);
 489     }
 490 #endif // wxUSE_CHECKLISTBOX
 491
 492     list_item = gtk_list_item_new_with_label( label.mbc_str() );
 493
 494     gtk_container_add( GTK_CONTAINER(m_list), list_item );
 495
 496     gtk_signal_connect( GTK_OBJECT(list_item), "select",
 497       GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 498
 499     if (HasFlag(wxLB_MULTIPLE))
 500         gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
 501           GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
 502
 503     gtk_signal_connect( GTK_OBJECT(list_item),
 504                         "button_press_event",
 505                         (GtkSignalFunc)gtk_listbox_button_press_callback,
 506                         (gpointer) this );
 507
 508     gtk_signal_connect_after( GTK_OBJECT(list_item),
 509                         "button_release_event",
 510                         (GtkSignalFunc)gtk_listbox_button_release_callback,
 511                         (gpointer) this );
 512
 513 #if wxUSE_CHECKLISTBOX
 514     if (m_hasCheckBoxes)
 515     {
 516        gtk_signal_connect( GTK_OBJECT(list_item),
 517                            "key_press_event",
 518                            (GtkSignalFunc)gtk_listbox_key_press_callback,
 519                            (gpointer)this );
 520     }
 521 #endif // wxUSE_CHECKLISTBOX
 522
 523     gtk_widget_show( list_item );
 524
 525     ConnectWidget( list_item );
 526
 527     if (GTK_WIDGET_REALIZED(m_widget))
 528     {
 529         gtk_widget_realize( list_item );
 530         gtk_widget_realize( GTK_BIN(list_item)->child );
 531
 532         //if (m_widgetStyle) ApplyWidgetStyle();
 533         if (m_widgetStyle) {
 534             // Apply current widget style to the new list_item
 535             gtk_widget_set_style( GTK_WIDGET( list_item ), m_widgetStyle );
 536             GtkBin *bin = GTK_BIN( list_item );
 537             GtkWidget *label = GTK_WIDGET( bin->child );
 538             gtk_widget_set_style( label, m_widgetStyle );
 539         }
 540
 541 #if wxUSE_DRAG_AND_DROP
 542 #ifndef NEW_GTK_DND_CODE
 543         if (m_dropTarget) m_dropTarget->RegisterWidget( list_item );
 544 #endif
 545 #endif
 546
 547 #if wxUSE_TOOLTIPS
 548         if (m_tooltip) m_tooltip->Apply( this );
 549 #endif
 550     }
 551 }
 552
 553 void wxListBox::Append( const wxString &item )
 554 {
 555     m_clientDataList.Append( (wxObject*) NULL );
 556     m_clientObjectList.Append( (wxObject*) NULL );
 557
 558     AppendCommon( item );
 559 }
 560
 561 void wxListBox::Append( const wxString &item, void *clientData )
 562 {
 563     m_clientDataList.Append( (wxObject*) clientData );
 564     m_clientObjectList.Append( (wxObject*) NULL );
 565
 566     AppendCommon( item );
 567 }
 568
 569 void wxListBox::Append( const wxString &item, wxClientData *clientData )
 570 {
 571     m_clientObjectList.Append( (wxObject*) clientData );
 572     m_clientDataList.Append( (wxObject*) NULL );
 573
 574     AppendCommon( item );
 575 }
 576
 577 void wxListBox::SetClientData( int n, void* clientData )
 578 {
 579     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 580
 581     wxNode *node = m_clientDataList.Nth( n );
 582     if (!node) return;
 583
 584     node->SetData( (wxObject*) clientData );
 585 }
 586
 587 void* wxListBox::GetClientData( int n )
 588 {
 589     wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") );
 590
 591     wxNode *node = m_clientDataList.Nth( n );
 592     if (!node) return NULL;
 593
 594     return node->Data();
 595 }
 596
 597 void wxListBox::SetClientObject( int n, wxClientData* clientData )
 598 {
 599     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 600
 601     wxNode *node = m_clientObjectList.Nth( n );
 602     if (!node) return;
 603
 604     wxClientData *cd = (wxClientData*) node->Data();
 605     if (cd) delete cd;
 606
 607     node->SetData( (wxObject*) clientData );
 608 }
 609
 610 wxClientData* wxListBox::GetClientObject( int n )
 611 {
 612     wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, wxT("invalid combobox") );
 613
 614     wxNode *node = m_clientObjectList.Nth( n );
 615     if (!node) return (wxClientData*) NULL;
 616
 617     return (wxClientData*) node->Data();
 618 }
 619
 620 void wxListBox::Clear()
 621 {
 622     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 623
 624     gtk_list_clear_items( m_list, 0, Number() );
 625
 626     wxNode *node = m_clientObjectList.First();
 627     while (node)
 628     {
 629         wxClientData *cd = (wxClientData*)node->Data();
 630         if (cd) delete cd;
 631         node = node->Next();
 632     }
 633     m_clientObjectList.Clear();
 634
 635     m_clientDataList.Clear();
 636 }
 637
 638 void wxListBox::Delete( int n )
 639 {
 640     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 641
 642     GList *child = g_list_nth( m_list->children, n );
 643
 644     wxCHECK_RET( child, wxT("wrong listbox index") );
 645
 646     GList *list = g_list_append( (GList*) NULL, child->data );
 647     gtk_list_remove_items( m_list, list );
 648     g_list_free( list );
 649
 650     wxNode *node = m_clientObjectList.Nth( n );
 651     if (node)
 652     {
 653         wxClientData *cd = (wxClientData*)node->Data();
 654         if (cd) delete cd;
 655         m_clientObjectList.DeleteNode( node );
 656     }
 657
 658     node = m_clientDataList.Nth( n );
 659     if (node)
 660     {
 661         m_clientDataList.DeleteNode( node );
 662     }
 663 }
 664
 665 void wxListBox::Deselect( int n )
 666 {
 667     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 668
 669     DisableEvents();
 670
 671     gtk_list_unselect_item( m_list, n );
 672
 673     EnableEvents();
 674 }
 675
 676 int wxListBox::FindString( const wxString &item ) const
 677 {
 678     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 679
 680     GList *child = m_list->children;
 681     int count = 0;
 682     while (child)
 683     {
 684         GtkBin *bin = GTK_BIN( child->data );
 685         GtkLabel *label = GTK_LABEL( bin->child );
 686
 687         wxString str = wxString(GET_REAL_LABEL(label->label),*wxConvCurrent);
 688
 689         if (str == item)
 690             return count;
 691
 692         count++;
 693         child = child->next;
 694     }
 695
 696   // it's not an error if the string is not found -> no wxCHECK
 697
 698   return -1;
 699 }
 700
 701 int wxListBox::GetSelection() const
 702 {
 703     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 704
 705     GList *child = m_list->children;
 706     int count = 0;
 707     while (child)
 708     {
 709         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
 710         count++;
 711         child = child->next;
 712     }
 713     return -1;
 714 }
 715
 716 int wxListBox::GetSelections( wxArrayInt& aSelections ) const
 717 {
 718     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 719
 720     // get the number of selected items first
 721     GList *child = m_list->children;
 722     int count = 0;
 723     for (child = m_list->children; child != NULL; child = child->next)
 724     {
 725         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 726             count++;
 727     }
 728
 729     aSelections.Empty();
 730
 731     if (count > 0)
 732     {
 733         // now fill the list
 734         aSelections.Alloc(count); // optimization attempt
 735         int i = 0;
 736         for (child = m_list->children; child != NULL; child = child->next, i++)
 737         {
 738             if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 739                  aSelections.Add(i);
 740         }
 741     }
 742
 743     return count;
 744 }
 745
 746 wxString wxListBox::GetString( int n ) const
 747 {
 748     wxCHECK_MSG( m_list != NULL, wxT(""), wxT("invalid listbox") );
 749
 750     GList *child = g_list_nth( m_list->children, n );
 751     if (child)
 752     {
 753         GtkBin *bin = GTK_BIN( child->data );
 754         GtkLabel *label = GTK_LABEL( bin->child );
 755
 756         wxString str = wxString(GET_REAL_LABEL(label->label),*wxConvCurrent);
 757
 758         return str;
 759     }
 760
 761     wxFAIL_MSG(wxT("wrong listbox index"));
 762
 763     return wxT("");
 764 }
 765
 766 wxString wxListBox::GetStringSelection() const
 767 {
 768     wxCHECK_MSG( m_list != NULL, wxT(""), wxT("invalid listbox") );
 769
 770     GList *selection = m_list->selection;
 771     if (selection)
 772     {
 773         GtkBin *bin = GTK_BIN( selection->data );
 774         GtkLabel *label = GTK_LABEL( bin->child );
 775
 776         wxString str = wxString(GET_REAL_LABEL(label->label),*wxConvCurrent);
 777
 778         return str;
 779     }
 780
 781     wxFAIL_MSG(wxT("no listbox selection available"));
 782     return wxT("");
 783 }
 784
 785 int wxListBox::Number()
 786 {
 787     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 788
 789     GList *child = m_list->children;
 790     int count = 0;
 791     while (child) { count++; child = child->next; }
 792     return count;
 793 }
 794
 795 bool wxListBox::Selected( int n )
 796 {
 797     wxCHECK_MSG( m_list != NULL, FALSE, wxT("invalid listbox") );
 798
 799     GList *target = g_list_nth( m_list->children, n );
 800     if (target)
 801     {
 802         GList *child = m_list->selection;
 803         while (child)
 804         {
 805             if (child->data == target->data) return TRUE;
 806             child = child->next;
 807         }
 808     }
 809     wxFAIL_MSG(wxT("wrong listbox index"));
 810     return FALSE;
 811 }
 812
 813 void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) )
 814 {
 815     wxFAIL_MSG(wxT("wxListBox::Set not implemented"));
 816 }
 817
 818 void wxListBox::SetFirstItem( int WXUNUSED(n) )
 819 {
 820     wxFAIL_MSG(wxT("wxListBox::SetFirstItem not implemented"));
 821 }
 822
 823 void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
 824 {
 825     wxFAIL_MSG(wxT("wxListBox::SetFirstItem not implemented"));
 826 }
 827
 828 void wxListBox::SetSelection( int n, bool select )
 829 {
 830     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 831
 832     DisableEvents();
 833
 834     if (select)
 835         gtk_list_select_item( m_list, n );
 836     else
 837         gtk_list_unselect_item( m_list, n );
 838
 839     EnableEvents();
 840 }
 841
 842 void wxListBox::SetString( int n, const wxString &string )
 843 {
 844     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 845
 846     GList *child = g_list_nth( m_list->children, n );
 847     if (child)
 848     {
 849         GtkBin *bin = GTK_BIN( child->data );
 850         GtkLabel *label = GTK_LABEL( bin->child );
 851
 852         wxString str;
 853 #if wxUSE_CHECKLISTBOX
 854         if (m_hasCheckBoxes)
 855             str += CHECKBOX_STRING;
 856 #endif // wxUSE_CHECKLISTBOX
 857         str += string;
 858
 859         gtk_label_set( label, str.mbc_str() );
 860     }
 861     else
 862     {
 863         wxFAIL_MSG(wxT("wrong listbox index"));
 864     }
 865 }
 866
 867 void wxListBox::SetStringSelection( const wxString &string, bool select )
 868 {
 869     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 870
 871     SetSelection( FindString(string), select );
 872 }
 873
 874 int wxListBox::GetIndex( GtkWidget *item ) const
 875 {
 876     if (item)
 877     {
 878         GList *child = m_list->children;
 879         int count = 0;
 880         while (child)
 881         {
 882             if (GTK_WIDGET(child->data) == item) return count;
 883             count++;
 884             child = child->next;
 885         }
 886     }
 887     return -1;
 888 }
 889
 890 #if wxUSE_TOOLTIPS
 891 void wxListBox::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
 892 {
 893     GList *child = m_list->children;
 894     while (child)
 895     {
 896         gtk_tooltips_set_tip( tips, GTK_WIDGET( child->data ), wxConvCurrent->cWX2MB(tip), (gchar*) NULL );
 897         child = child->next;
 898     }
 899 }
 900 #endif // wxUSE_TOOLTIPS
 901
 902 #if wxUSE_DRAG_AND_DROP
 903 void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
 904 {
 905     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 906
 907 #ifndef NEW_GTK_DND_CODE
 908     if (m_dropTarget)
 909     {
 910         GList *child = m_list->children;
 911         while (child)
 912         {
 913             m_dropTarget->UnregisterWidget( GTK_WIDGET( child->data ) );
 914             child = child->next;
 915         }
 916     }
 917 #endif
 918
 919     wxWindow::SetDropTarget( dropTarget );
 920
 921 #ifndef NEW_GTK_DND_CODE
 922     if (m_dropTarget)
 923     {
 924         GList *child = m_list->children;
 925         while (child)
 926         {
 927             m_dropTarget->RegisterWidget( GTK_WIDGET( child->data ) );
 928             child = child->next;
 929         }
 930     }
 931 #endif
 932 }
 933 #endif
 934
 935 void wxListBox::DisableEvents()
 936 {
 937     GList *child = m_list->children;
 938     while (child)
 939     {
 940         gtk_signal_disconnect_by_func( GTK_OBJECT(child->data),
 941           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 942
 943         if (HasFlag(wxLB_MULTIPLE))
 944             gtk_signal_disconnect_by_func( GTK_OBJECT(child->data),
 945               GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
 946
 947         child = child->next;
 948     }
 949 }
 950
 951 void wxListBox::EnableEvents()
 952 {
 953     GList *child = m_list->children;
 954     while (child)
 955     {
 956         gtk_signal_connect( GTK_OBJECT(child->data), "select",
 957           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 958
 959         if (HasFlag(wxLB_MULTIPLE))
 960             gtk_signal_connect( GTK_OBJECT(child->data), "deselect",
 961               GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
 962
 963         child = child->next;
 964     }
 965 }
 966
 967 GtkWidget *wxListBox::GetConnectWidget()
 968 {
 969     return GTK_WIDGET(m_list);
 970 }
 971
 972 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
 973 {
 974     if (wxWindow::IsOwnGtkWindow( window )) return TRUE;
 975
 976     GList *child = m_list->children;
 977     while (child)
 978     {
 979         GtkWidget *bin = GTK_WIDGET( child->data );
 980         if (bin->window == window) return TRUE;
 981         child = child->next;
 982     }
 983
 984     return FALSE;
 985 }
 986
 987 void wxListBox::ApplyWidgetStyle()
 988 {
 989     SetWidgetStyle();
 990
 991     if (m_backgroundColour.Ok())
 992     {
 993         GdkWindow *window = GTK_WIDGET(m_list)->window;
 994         if ( window )
 995         {
 996             m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
 997             gdk_window_set_background( window, m_backgroundColour.GetColor() );
 998             gdk_window_clear( window );
 999         }
1000     }
1001
1002     GList *child = m_list->children;
1003     while (child)
1004     {
1005         gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
1006
1007         GtkBin *bin = GTK_BIN( child->data );
1008         GtkWidget *label = GTK_WIDGET( bin->child );
1009         gtk_widget_set_style( label, m_widgetStyle );
1010
1011         child = child->next;
1012     }
1013 }
1014
1015 void wxListBox::OnInternalIdle()
1016 {
1017     wxCursor cursor = m_cursor;
1018     if (g_globalCursor.Ok()) cursor = g_globalCursor;
1019
1020     if (GTK_WIDGET(m_list)->window && cursor.Ok())
1021     {
1022         /* I now set the cursor the anew in every OnInternalIdle call
1023            as setting the cursor in a parent window also effects the
1024            windows above so that checking for the current cursor is
1025            not possible. */
1026
1027         gdk_window_set_cursor( GTK_WIDGET(m_list)->window, cursor.GetCursor() );
1028
1029         GList *child = m_list->children;
1030         while (child)
1031         {
1032             GtkBin *bin = GTK_BIN( child->data );
1033             GtkWidget *label = GTK_WIDGET( bin->child );
1034
1035             if (!label->window)
1036                 break;
1037             else
1038                 gdk_window_set_cursor( label->window, cursor.GetCursor() );
1039
1040             child = child->next;
1041         }
1042     }
1043
1044     UpdateWindowUI();
1045 }
1046
1047 #endif