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 #include "gdk/gdk.h"
  30 #include "gtk/gtk.h"
  31 #include "gdk/gdkkeysyms.h"
  32
  33 //-----------------------------------------------------------------------------
  34 // idle system
  35 //-----------------------------------------------------------------------------
  36
  37 extern void wxapp_install_idle_handler();
  38 extern bool g_isIdle;
  39
  40 //-------------------------------------------------------------------------
  41 // conditional compilation
  42 //-------------------------------------------------------------------------
  43
  44 #if (GTK_MINOR_VERSION > 0)
  45     #define NEW_GTK_SCROLL_CODE
  46 #endif
  47
  48 //-----------------------------------------------------------------------------
  49 // private functions
  50 //-----------------------------------------------------------------------------
  51
  52 #if wxUSE_CHECKLISTBOX
  53
  54 #define CHECKBOX_STRING "[-] "
  55
  56 // checklistboxes have "[±] " prepended to their lables, this macro removes it
  57 // (NB: 4 below is the length of CHECKBOX_STRING above)
  58 //
  59 // the argument to it is a "const char *" pointer
  60 #define GET_REAL_LABEL(label) ((m_hasCheckBoxes)?(label)+4 : (label))
  61
  62 #else // !wxUSE_CHECKLISTBOX
  63
  64 #define GET_REAL_LABEL(label) (label)
  65
  66 #endif // wxUSE_CHECKLISTBOX
  67
  68 //-----------------------------------------------------------------------------
  69 // data
  70 //-----------------------------------------------------------------------------
  71
  72 extern bool       g_blockEventsOnDrag;
  73 extern bool       g_blockEventsOnScroll;
  74 extern wxCursor   g_globalCursor;
  75
  76 static bool       g_hasDoubleClicked = FALSE;
  77
  78 //-----------------------------------------------------------------------------
  79 // "button_release_event"
  80 //-----------------------------------------------------------------------------
  81
  82 /* we would normally emit a wxEVT_COMMAND_LISTBOX_DOUBLECLICKED event once
  83    a GDK_2BUTTON_PRESS occurs, but this has the particular problem of the
  84    listbox keeping the focus until it receives a GDK_BUTTON_RELEASE event.
  85    this can lead to race conditions so that we emit the dclick event
  86    after the GDK_BUTTON_RELEASE event after the GDK_2BUTTON_PRESS event */
  87
  88 static gint
  89 gtk_listbox_button_release_callback( GtkWidget * WXUNUSED(widget),
  90                                      GdkEventButton * WXUNUSED(gdk_event),
  91                                      wxListBox *listbox )
  92 {
  93     if (g_isIdle) wxapp_install_idle_handler();
  94
  95     if (g_blockEventsOnDrag) return FALSE;
  96     if (g_blockEventsOnScroll) return FALSE;
  97
  98     if (!listbox->m_hasVMT) return FALSE;
  99
 100     if (!g_hasDoubleClicked) return FALSE;
 101
 102     wxCommandEvent event( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
 103     event.SetEventObject( listbox );
 104
 105     wxArrayInt aSelections;
 106     int n, count = listbox->GetSelections(aSelections);
 107     if ( count > 0 )
 108     {
 109         n = aSelections[0];
 110         if ( listbox->HasClientObjectData() )
 111             event.SetClientObject( listbox->GetClientObject(n) );
 112         else if ( listbox->HasClientUntypedData() )
 113             event.SetClientData( listbox->GetClientData(n) );
 114         event.SetString( listbox->GetString(n) );
 115     }
 116     else
 117     {
 118         n = -1;
 119     }
 120
 121     event.m_commandInt = n;
 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->GtkGetIndex( 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 static gint
 171 gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
 172 {
 173     if (g_isIdle)
 174         wxapp_install_idle_handler();
 175
 176     if (g_blockEventsOnDrag)
 177         return FALSE;
 178
 179     bool ret = FALSE;
 180
 181     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
 182     {
 183         wxNavigationKeyEvent new_event;
 184         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
 185         new_event.SetDirection( (gdk_event->keyval == GDK_Tab) );
 186         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
 187         new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
 188         new_event.SetCurrentFocus( listbox );
 189         ret = listbox->GetEventHandler()->ProcessEvent( new_event );
 190     }
 191
 192 #if wxUSE_CHECKLISTBOX
 193     if ((gdk_event->keyval != ' ') && (listbox->m_hasCheckBoxes) && (!ret))
 194     {
 195         int sel = listbox->GtkGetIndex( widget );
 196
 197         wxCheckListBox *clb = (wxCheckListBox *)listbox;
 198
 199         clb->Check( sel, !clb->IsChecked(sel) );
 200
 201         wxCommandEvent new_event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
 202         new_event.SetEventObject( listbox );
 203         new_event.SetInt( sel );
 204         ret = listbox->GetEventHandler()->ProcessEvent( new_event );
 205     }
 206 #endif // wxUSE_CHECKLISTBOX
 207
 208     if (ret)
 209     {
 210         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
 211         return TRUE;
 212     }
 213
 214     return FALSE;
 215 }
 216
 217 //-----------------------------------------------------------------------------
 218 // "select" and "deselect"
 219 //-----------------------------------------------------------------------------
 220
 221 static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox );
 222
 223 static void gtk_listitem_deselect_callback( GtkWidget *widget, wxListBox *listbox )
 224 {
 225     gtk_listitem_select_callback( widget, listbox );
 226 }
 227
 228 static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox )
 229 {
 230     if (g_isIdle) wxapp_install_idle_handler();
 231
 232     if (!listbox->m_hasVMT) return;
 233     if (g_blockEventsOnDrag) return;
 234
 235     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
 236     event.SetEventObject( listbox );
 237
 238     wxArrayInt aSelections;
 239     int n, count = listbox->GetSelections(aSelections);
 240     if ( count > 0 )
 241     {
 242         n = aSelections[0];
 243         if ( listbox->HasClientObjectData() )
 244             event.SetClientObject( listbox->GetClientObject(n) );
 245         else if ( listbox->HasClientUntypedData() )
 246             event.SetClientData( listbox->GetClientData(n) );
 247         event.SetString( listbox->GetString(n) );
 248     }
 249     else
 250     {
 251         n = -1;
 252     }
 253
 254     event.m_commandInt = n;
 255
 256     listbox->GetEventHandler()->AddPendingEvent( event );
 257 //    listbox->GetEventHandler()->ProcessEvent( event );
 258 }
 259
 260 //-----------------------------------------------------------------------------
 261 // wxListBox
 262 //-----------------------------------------------------------------------------
 263
 264 IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)
 265
 266 // ----------------------------------------------------------------------------
 267 // construction
 268 // ----------------------------------------------------------------------------
 269
 270 wxListBox::wxListBox()
 271 {
 272     m_list = (GtkList *) NULL;
 273 #if wxUSE_CHECKLISTBOX
 274     m_hasCheckBoxes = FALSE;
 275 #endif // wxUSE_CHECKLISTBOX
 276 }
 277
 278 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 279                         const wxPoint &pos, const wxSize &size,
 280                         int n, const wxString choices[],
 281                         long style, const wxValidator& validator,
 282                         const wxString &name )
 283 {
 284     m_needParent = TRUE;
 285     m_acceptsFocus = TRUE;
 286
 287     if (!PreCreation( parent, pos, size ) ||
 288         !CreateBase( parent, id, pos, size, style, validator, name ))
 289     {
 290         wxFAIL_MSG( wxT("wxListBox creation failed") );
 291         return FALSE;
 292     }
 293
 294     m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL );
 295     if (style & wxLB_ALWAYS_SB)
 296     {
 297       gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 298         GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS );
 299     }
 300     else
 301     {
 302       gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 303         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 304     }
 305
 306     m_list = GTK_LIST( gtk_list_new() );
 307
 308     GtkSelectionMode mode = GTK_SELECTION_BROWSE;
 309     if (style & wxLB_MULTIPLE)
 310         mode = GTK_SELECTION_MULTIPLE;
 311     else if (style & wxLB_EXTENDED)
 312         mode = GTK_SELECTION_EXTENDED;
 313
 314     gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
 315
 316 #ifdef NEW_GTK_SCROLL_CODE
 317     gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) );
 318 #else
 319     gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
 320 #endif
 321
 322     /* make list scroll when moving the focus down using cursor keys */
 323     gtk_container_set_focus_vadjustment(
 324         GTK_CONTAINER(m_list),
 325         gtk_scrolled_window_get_vadjustment(
 326             GTK_SCROLLED_WINDOW(m_widget)));
 327
 328     gtk_widget_show( GTK_WIDGET(m_list) );
 329
 330     SetSizeOrDefault( size );
 331
 332     if ( style & wxLB_SORT )
 333     {
 334         // this will change DoAppend() behaviour
 335         m_strings = new wxSortedArrayString;
 336     }
 337     else
 338     {
 339         m_strings = (wxSortedArrayString *)NULL;
 340     }
 341
 342     for (int i = 0; i < n; i++)
 343     {
 344         // add one by one
 345         DoAppend(choices[i]);
 346     }
 347
 348     m_parent->DoAddChild( this );
 349
 350     PostCreation();
 351
 352     SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_WINDOW ) );
 353     SetForegroundColour( parent->GetForegroundColour() );
 354     SetFont( parent->GetFont() );
 355
 356     Show( TRUE );
 357
 358     return TRUE;
 359 }
 360
 361 wxListBox::~wxListBox()
 362 {
 363     Clear();
 364 }
 365
 366 void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 367 {
 368     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 369
 370     // VZ: notice that InsertItems knows nothing about sorting, so calling it
 371     //     from outside (and not from our own Append) is likely to break
 372     //     everything
 373
 374     // code elsewhere supposes we have as many items in m_clientList as items
 375     // in the listbox
 376     wxASSERT_MSG( m_clientList.GetCount() == (size_t)GetCount(),
 377                   wxT("bug in client data management") );
 378
 379     GList *children = m_list->children;
 380     int length = g_list_length(children);
 381
 382     wxCHECK_RET( pos <= length, wxT("invalid index in wxListBox::InsertItems") );
 383
 384     size_t nItems = items.GetCount();
 385
 386     if (pos == length)
 387     {
 388         for ( size_t n = 0; n < nItems; n++ )
 389         {
 390             GtkAddItem( items[n] );
 391
 392             m_clientList.Append((wxObject *)NULL);
 393         }
 394     }
 395     else
 396     {
 397         wxNode *node = m_clientList.Nth( pos );
 398         for ( size_t n = 0; n < nItems; n++ )
 399         {
 400             GtkAddItem( items[n], pos+n );
 401
 402             m_clientList.Insert( node, (wxObject *)NULL );
 403         }
 404     }
 405
 406     wxASSERT_MSG( m_clientList.GetCount() == (size_t)GetCount(),
 407                       wxT("bug in client data management") );
 408 }
 409
 410 int wxListBox::DoAppend( const wxString& item )
 411 {
 412     if (m_strings)
 413     {
 414         // need to determine the index
 415         int index = m_strings->Add( item );
 416
 417         // only if not at the end anyway
 418         if (index != GetCount())
 419         {
 420            GtkAddItem( item, index );
 421
 422            wxNode *node = m_clientList.Nth( index );
 423            m_clientList.Insert( node, (wxObject *)NULL );
 424
 425            return index;
 426         }
 427     }
 428
 429     GtkAddItem(item);
 430
 431     m_clientList.Append((wxObject *)NULL);
 432
 433     return GetCount() - 1;
 434 }
 435
 436 void wxListBox::GtkAddItem( const wxString &item, int pos )
 437 {
 438     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 439
 440     GtkWidget *list_item;
 441
 442     wxString label(item);
 443 #if wxUSE_CHECKLISTBOX
 444     if (m_hasCheckBoxes)
 445     {
 446         label.Prepend(CHECKBOX_STRING);
 447     }
 448 #endif // wxUSE_CHECKLISTBOX
 449
 450     list_item = gtk_list_item_new_with_label( label.mbc_str() );
 451
 452     GList *gitem_list = g_list_alloc ();
 453     gitem_list->data = list_item;
 454
 455     if (pos == -1)
 456         gtk_list_append_items( GTK_LIST (m_list), gitem_list );
 457     else
 458         gtk_list_insert_items( GTK_LIST (m_list), gitem_list, pos );
 459
 460     gtk_signal_connect( GTK_OBJECT(list_item), "select",
 461       GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 462
 463     if (HasFlag(wxLB_MULTIPLE))
 464         gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
 465           GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
 466
 467     gtk_signal_connect( GTK_OBJECT(list_item),
 468                         "button_press_event",
 469                         (GtkSignalFunc)gtk_listbox_button_press_callback,
 470                         (gpointer) this );
 471
 472     gtk_signal_connect_after( GTK_OBJECT(list_item),
 473                         "button_release_event",
 474                         (GtkSignalFunc)gtk_listbox_button_release_callback,
 475                         (gpointer) this );
 476
 477     gtk_signal_connect( GTK_OBJECT(list_item),
 478                            "key_press_event",
 479                            (GtkSignalFunc)gtk_listbox_key_press_callback,
 480                            (gpointer)this );
 481
 482     ConnectWidget( list_item );
 483
 484     gtk_widget_show( list_item );
 485
 486     if (GTK_WIDGET_REALIZED(m_widget))
 487     {
 488         gtk_widget_realize( list_item );
 489         gtk_widget_realize( GTK_BIN(list_item)->child );
 490
 491         // Apply current widget style to the new list_item
 492         if (m_widgetStyle)
 493         {
 494             gtk_widget_set_style( GTK_WIDGET( list_item ), m_widgetStyle );
 495             GtkBin *bin = GTK_BIN( list_item );
 496             GtkWidget *label = GTK_WIDGET( bin->child );
 497             gtk_widget_set_style( label, m_widgetStyle );
 498         }
 499
 500 #if wxUSE_TOOLTIPS
 501         if (m_tooltip) m_tooltip->Apply( this );
 502 #endif
 503     }
 504 }
 505
 506 void wxListBox::DoSetItems( const wxArrayString& items,
 507                             void **clientData)
 508 {
 509     Clear();
 510
 511     DoInsertItems(items, 0);
 512
 513     if ( clientData )
 514     {
 515         size_t count = items.GetCount();
 516         for ( size_t n = 0; n < count; n++ )
 517         {
 518             SetClientData(n, clientData[n]);
 519         }
 520     }
 521 }
 522
 523 // ----------------------------------------------------------------------------
 524 // client data
 525 // ----------------------------------------------------------------------------
 526
 527 void wxListBox::DoSetItemClientData( int n, void* clientData )
 528 {
 529     wxCHECK_RET( m_widget != NULL, wxT("invalid listbox control") );
 530
 531     wxNode *node = m_clientList.Nth( n );
 532     wxCHECK_RET( node, wxT("invalid index in wxListBox::DoSetItemClientData") );
 533
 534     node->SetData( (wxObject*) clientData );
 535 }
 536
 537 void* wxListBox::DoGetItemClientData( int n ) const
 538 {
 539     wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid listbox control") );
 540
 541     wxNode *node = m_clientList.Nth( n );
 542     wxCHECK_MSG( node, NULL, wxT("invalid index in wxListBox::DoGetItemClientData") );
 543
 544     return node->Data();
 545 }
 546
 547 void wxListBox::DoSetItemClientObject( int n, wxClientData* clientData )
 548 {
 549     wxCHECK_RET( m_widget != NULL, wxT("invalid listbox control") );
 550
 551     wxNode *node = m_clientList.Nth( n );
 552     wxCHECK_RET( node, wxT("invalid index in wxListBox::DoSetItemClientObject") );
 553
 554     wxClientData *cd = (wxClientData*) node->Data();
 555     delete cd;
 556
 557     node->SetData( (wxObject*) clientData );
 558 }
 559
 560 wxClientData* wxListBox::DoGetItemClientObject( int n ) const
 561 {
 562     wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid listbox control") );
 563
 564     wxNode *node = m_clientList.Nth( n );
 565     wxCHECK_MSG( node, (wxClientData *)NULL,
 566                  wxT("invalid index in wxListBox::DoGetItemClientObject") );
 567
 568     return (wxClientData*) node->Data();
 569 }
 570
 571 void wxListBox::Clear()
 572 {
 573     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 574
 575     gtk_list_clear_items( m_list, 0, Number() );
 576
 577     if ( HasClientObjectData() )
 578     {
 579         // destroy the data (due to Robert's idea of using wxList<wxObject>
 580         // and not wxList<wxClientData> we can't just say
 581         // m_clientList.DeleteContents(TRUE) - this would crash!
 582         wxNode *node = m_clientList.First();
 583         while ( node )
 584         {
 585             delete (wxClientData *)node->Data();
 586             node = node->Next();
 587         }
 588     }
 589     m_clientList.Clear();
 590
 591     if ( m_strings )
 592         m_strings->Clear();
 593 }
 594
 595 void wxListBox::Delete( int n )
 596 {
 597     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 598
 599     GList *child = g_list_nth( m_list->children, n );
 600
 601     wxCHECK_RET( child, wxT("wrong listbox index") );
 602
 603     GList *list = g_list_append( (GList*) NULL, child->data );
 604     gtk_list_remove_items( m_list, list );
 605     g_list_free( list );
 606
 607     wxNode *node = m_clientList.Nth( n );
 608     if ( node )
 609     {
 610         if ( m_clientDataItemsType == ClientData_Object )
 611         {
 612             wxClientData *cd = (wxClientData*)node->Data();
 613             delete cd;
 614         }
 615
 616         m_clientList.DeleteNode( node );
 617     }
 618
 619     if ( m_strings )
 620         m_strings->Remove(n);
 621 }
 622
 623 // ----------------------------------------------------------------------------
 624 // string list access
 625 // ----------------------------------------------------------------------------
 626
 627 void wxListBox::SetString( int n, const wxString &string )
 628 {
 629     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 630
 631     GList *child = g_list_nth( m_list->children, n );
 632     if (child)
 633     {
 634         GtkBin *bin = GTK_BIN( child->data );
 635         GtkLabel *label = GTK_LABEL( bin->child );
 636
 637         wxString str;
 638 #if wxUSE_CHECKLISTBOX
 639         if (m_hasCheckBoxes)
 640             str += CHECKBOX_STRING;
 641 #endif // wxUSE_CHECKLISTBOX
 642         str += string;
 643
 644         gtk_label_set( label, str.mbc_str() );
 645     }
 646     else
 647     {
 648         wxFAIL_MSG(wxT("wrong listbox index"));
 649     }
 650 }
 651
 652 wxString wxListBox::GetString( int n ) const
 653 {
 654     wxCHECK_MSG( m_list != NULL, wxT(""), wxT("invalid listbox") );
 655
 656     GList *child = g_list_nth( m_list->children, n );
 657     if (child)
 658     {
 659         GtkBin *bin = GTK_BIN( child->data );
 660         GtkLabel *label = GTK_LABEL( bin->child );
 661
 662         wxString str = wxString(GET_REAL_LABEL(label->label),*wxConvCurrent);
 663
 664         return str;
 665     }
 666
 667     wxFAIL_MSG(wxT("wrong listbox index"));
 668
 669     return wxT("");
 670 }
 671
 672 int wxListBox::GetCount() const
 673 {
 674     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 675
 676     GList *children = m_list->children;
 677     return g_list_length(children);
 678 }
 679
 680 int wxListBox::FindString( const wxString &item ) const
 681 {
 682     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 683
 684     GList *child = m_list->children;
 685     int count = 0;
 686     while (child)
 687     {
 688         GtkBin *bin = GTK_BIN( child->data );
 689         GtkLabel *label = GTK_LABEL( bin->child );
 690
 691         wxString str = wxString(GET_REAL_LABEL(label->label),*wxConvCurrent);
 692
 693         if (str == item)
 694             return count;
 695
 696         count++;
 697         child = child->next;
 698     }
 699
 700     // it's not an error if the string is not found -> no wxCHECK
 701
 702     return wxNOT_FOUND;
 703 }
 704
 705 // ----------------------------------------------------------------------------
 706 // selection
 707 // ----------------------------------------------------------------------------
 708
 709 int wxListBox::GetSelection() const
 710 {
 711     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 712
 713     GList *child = m_list->children;
 714     int count = 0;
 715     while (child)
 716     {
 717         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
 718         count++;
 719         child = child->next;
 720     }
 721     return -1;
 722 }
 723
 724 int wxListBox::GetSelections( wxArrayInt& aSelections ) const
 725 {
 726     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 727
 728     // get the number of selected items first
 729     GList *child = m_list->children;
 730     int count = 0;
 731     for (child = m_list->children; child != NULL; child = child->next)
 732     {
 733         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 734             count++;
 735     }
 736
 737     aSelections.Empty();
 738
 739     if (count > 0)
 740     {
 741         // now fill the list
 742         aSelections.Alloc(count); // optimization attempt
 743         int i = 0;
 744         for (child = m_list->children; child != NULL; child = child->next, i++)
 745         {
 746             if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 747                  aSelections.Add(i);
 748         }
 749     }
 750
 751     return count;
 752 }
 753
 754 bool wxListBox::IsSelected( int n ) const
 755 {
 756     wxCHECK_MSG( m_list != NULL, FALSE, wxT("invalid listbox") );
 757
 758     GList *target = g_list_nth( m_list->children, n );
 759     if (target)
 760     {
 761         GList *child = m_list->selection;
 762         while (child)
 763         {
 764             if (child->data == target->data) return TRUE;
 765             child = child->next;
 766         }
 767     }
 768
 769     wxFAIL_MSG(wxT("wrong listbox index"));
 770
 771     return FALSE;
 772 }
 773
 774 void wxListBox::SetSelection( int n, bool select )
 775 {
 776     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 777
 778     GtkDisableEvents();
 779
 780     if (select)
 781         gtk_list_select_item( m_list, n );
 782     else
 783         gtk_list_unselect_item( m_list, n );
 784
 785     GtkEnableEvents();
 786 }
 787
 788 void wxListBox::DoSetFirstItem( int WXUNUSED(n) )
 789 {
 790     wxFAIL_MSG(wxT("wxListBox::SetFirstItem not implemented"));
 791 }
 792
 793 // ----------------------------------------------------------------------------
 794 // helpers
 795 // ----------------------------------------------------------------------------
 796
 797 int wxListBox::GtkGetIndex( GtkWidget *item ) const
 798 {
 799     if (item)
 800     {
 801         GList *child = m_list->children;
 802         int count = 0;
 803         while (child)
 804         {
 805             if (GTK_WIDGET(child->data) == item) return count;
 806             count++;
 807             child = child->next;
 808         }
 809     }
 810     return -1;
 811 }
 812
 813 #if wxUSE_TOOLTIPS
 814 void wxListBox::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
 815 {
 816     GList *child = m_list->children;
 817     while (child)
 818     {
 819         gtk_tooltips_set_tip( tips, GTK_WIDGET( child->data ), wxConvCurrent->cWX2MB(tip), (gchar*) NULL );
 820         child = child->next;
 821     }
 822 }
 823 #endif // wxUSE_TOOLTIPS
 824
 825 void wxListBox::GtkDisableEvents()
 826 {
 827     GList *child = m_list->children;
 828     while (child)
 829     {
 830         gtk_signal_disconnect_by_func( GTK_OBJECT(child->data),
 831           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 832
 833         if (HasFlag(wxLB_MULTIPLE))
 834             gtk_signal_disconnect_by_func( GTK_OBJECT(child->data),
 835               GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
 836
 837         child = child->next;
 838     }
 839 }
 840
 841 void wxListBox::GtkEnableEvents()
 842 {
 843     GList *child = m_list->children;
 844     while (child)
 845     {
 846         gtk_signal_connect( GTK_OBJECT(child->data), "select",
 847           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 848
 849         if (HasFlag(wxLB_MULTIPLE))
 850             gtk_signal_connect( GTK_OBJECT(child->data), "deselect",
 851               GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
 852
 853         child = child->next;
 854     }
 855 }
 856
 857 GtkWidget *wxListBox::GetConnectWidget()
 858 {
 859     return GTK_WIDGET(m_list);
 860 }
 861
 862 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
 863 {
 864     if (GTK_WIDGET(m_list)->window == window) return TRUE;
 865
 866     GList *child = m_list->children;
 867     while (child)
 868     {
 869         GtkWidget *bin = GTK_WIDGET( child->data );
 870         if (bin->window == window) return TRUE;
 871         child = child->next;
 872     }
 873
 874     return FALSE;
 875 }
 876
 877 void wxListBox::ApplyWidgetStyle()
 878 {
 879     SetWidgetStyle();
 880
 881     if (m_backgroundColour.Ok())
 882     {
 883         GdkWindow *window = GTK_WIDGET(m_list)->window;
 884         if ( window )
 885         {
 886             m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
 887             gdk_window_set_background( window, m_backgroundColour.GetColor() );
 888             gdk_window_clear( window );
 889         }
 890     }
 891
 892     GList *child = m_list->children;
 893     while (child)
 894     {
 895         gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
 896
 897         GtkBin *bin = GTK_BIN( child->data );
 898         GtkWidget *label = GTK_WIDGET( bin->child );
 899         gtk_widget_set_style( label, m_widgetStyle );
 900
 901         child = child->next;
 902     }
 903 }
 904
 905 void wxListBox::OnInternalIdle()
 906 {
 907     wxCursor cursor = m_cursor;
 908     if (g_globalCursor.Ok()) cursor = g_globalCursor;
 909
 910     if (GTK_WIDGET(m_list)->window && cursor.Ok())
 911     {
 912         /* I now set the cursor the anew in every OnInternalIdle call
 913            as setting the cursor in a parent window also effects the
 914            windows above so that checking for the current cursor is
 915            not possible. */
 916
 917         gdk_window_set_cursor( GTK_WIDGET(m_list)->window, cursor.GetCursor() );
 918
 919         GList *child = m_list->children;
 920         while (child)
 921         {
 922             GtkBin *bin = GTK_BIN( child->data );
 923             GtkWidget *label = GTK_WIDGET( bin->child );
 924
 925             if (!label->window)
 926                 break;
 927             else
 928                 gdk_window_set_cursor( label->window, cursor.GetCursor() );
 929
 930             child = child->next;
 931         }
 932     }
 933
 934     UpdateWindowUI();
 935 }
 936
 937 wxSize wxListBox::DoGetBestSize() const
 938 {
 939     return wxSize(100, 110);
 940 }
 941
 942 #endif