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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  12 #pragma implementation "listbox.h"
  13 #endif
  14
  15 // For compilers that support precompilation, includes "wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #include "wx/defs.h"
  19
  20 #if wxUSE_LISTBOX
  21
  22 #include "wx/listbox.h"
  23 #include "wx/dynarray.h"
  24 #include "wx/arrstr.h"
  25 #include "wx/utils.h"
  26 #include "wx/intl.h"
  27 #include "wx/checklst.h"
  28 #include "wx/settings.h"
  29 #include "wx/gtk/private.h"
  30
  31 #if wxUSE_TOOLTIPS
  32 #include "wx/tooltip.h"
  33 #endif
  34
  35 #include <gdk/gdk.h>
  36 #include <gtk/gtk.h>
  37 #include <gdk/gdkkeysyms.h>
  38
  39 //-----------------------------------------------------------------------------
  40 // idle system
  41 //-----------------------------------------------------------------------------
  42
  43 extern void wxapp_install_idle_handler();
  44 extern bool g_isIdle;
  45
  46 //-----------------------------------------------------------------------------
  47 // data
  48 //-----------------------------------------------------------------------------
  49
  50 extern bool           g_blockEventsOnDrag;
  51 extern bool           g_blockEventsOnScroll;
  52 extern wxCursor       g_globalCursor;
  53 extern wxWindowGTK   *g_delayedFocus;
  54 extern wxWindowGTK   *g_focusWindow;
  55 extern wxWindowGTK   *g_focusWindowLast;
  56
  57 static bool       g_hasDoubleClicked = FALSE;
  58
  59 //-----------------------------------------------------------------------------
  60 // idle callback for SetFirstItem
  61 //-----------------------------------------------------------------------------
  62
  63 struct wxlistbox_idle_struct
  64 {
  65     wxListBox   *m_listbox;
  66     int          m_item;
  67     gint         m_tag;
  68 };
  69
  70 extern "C" {
  71 static gint wxlistbox_idle_callback( gpointer gdata )
  72 {
  73     wxlistbox_idle_struct* data = (wxlistbox_idle_struct*) gdata;
  74     gdk_threads_enter();
  75
  76     gtk_idle_remove( data->m_tag );
  77
  78     // check that the items haven't been deleted from the listbox since we had
  79     // installed this callback
  80     wxListBox *lbox = data->m_listbox;
  81     if ( data->m_item < lbox->GetCount() )
  82     {
  83         lbox->SetFirstItem( data->m_item );
  84     }
  85
  86     delete data;
  87
  88     gdk_threads_leave();
  89
  90     return TRUE;
  91 }
  92 }
  93
  94 //-----------------------------------------------------------------------------
  95 // "focus_in_event"
  96 //-----------------------------------------------------------------------------
  97
  98 extern "C" {
  99 static gint gtk_listitem_focus_in_callback( GtkWidget *widget,
 100                                           GdkEvent *WXUNUSED(event),
 101                                           wxWindow *win )
 102 {
 103     if (g_isIdle)
 104         wxapp_install_idle_handler();
 105
 106     g_focusWindowLast =
 107     g_focusWindow = win;
 108
 109     // does the window itself think that it has the focus?
 110     if ( !win->m_hasFocus )
 111     {
 112         // not yet, notify it
 113         win->m_hasFocus = TRUE;
 114
 115         wxChildFocusEvent eventChildFocus(win);
 116         (void)win->GetEventHandler()->ProcessEvent(eventChildFocus);
 117
 118         wxFocusEvent eventFocus(wxEVT_SET_FOCUS, win->GetId());
 119         eventFocus.SetEventObject(win);
 120
 121         (void)win->GetEventHandler()->ProcessEvent(eventFocus);
 122     }
 123
 124     return FALSE;
 125 }
 126 }
 127
 128 //-----------------------------------------------------------------------------
 129 // "focus_out_event"
 130 //-----------------------------------------------------------------------------
 131
 132 extern "C" {
 133 static gint gtk_listitem_focus_out_callback( GtkWidget *widget, GdkEventFocus *gdk_event, wxWindowGTK *win )
 134 {
 135     if (g_isIdle)
 136         wxapp_install_idle_handler();
 137
 138     g_focusWindow = (wxWindowGTK *)NULL;
 139
 140     // don't send the window a kill focus event if it thinks that it doesn't
 141     // have focus already
 142     if ( win->m_hasFocus )
 143     {
 144         win->m_hasFocus = FALSE;
 145
 146         wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
 147         event.SetEventObject( win );
 148
 149         // even if we did process the event in wx code, still let GTK itself
 150         // process it too as otherwise bad things happen, especially in GTK2
 151         // where the text control simply aborts the program if it doesn't get
 152         // the matching focus out event
 153         (void)win->GetEventHandler()->ProcessEvent( event );
 154     }
 155
 156     return FALSE;
 157 }
 158 }
 159
 160 //-----------------------------------------------------------------------------
 161 // "button_release_event"
 162 //-----------------------------------------------------------------------------
 163
 164 /* we would normally emit a wxEVT_COMMAND_LISTBOX_DOUBLECLICKED event once
 165    a GDK_2BUTTON_PRESS occurs, but this has the particular problem of the
 166    listbox keeping the focus until it receives a GDK_BUTTON_RELEASE event.
 167    this can lead to race conditions so that we emit the dclick event
 168    after the GDK_BUTTON_RELEASE event after the GDK_2BUTTON_PRESS event */
 169
 170 extern "C" {
 171 static gint
 172 gtk_listbox_button_release_callback( GtkWidget * WXUNUSED(widget),
 173                                      GdkEventButton * WXUNUSED(gdk_event),
 174                                      wxListBox *listbox )
 175 {
 176     if (g_isIdle) wxapp_install_idle_handler();
 177
 178     if (g_blockEventsOnDrag) return FALSE;
 179     if (g_blockEventsOnScroll) return FALSE;
 180
 181     if (!listbox->m_hasVMT) return FALSE;
 182
 183     if (!g_hasDoubleClicked) return FALSE;
 184
 185     wxCommandEvent event( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
 186     event.SetEventObject( listbox );
 187
 188     wxArrayInt aSelections;
 189     int n, count = listbox->GetSelections(aSelections);
 190     if ( count > 0 )
 191     {
 192         n = aSelections[0];
 193         if ( listbox->HasClientObjectData() )
 194             event.SetClientObject( listbox->GetClientObject(n) );
 195         else if ( listbox->HasClientUntypedData() )
 196             event.SetClientData( listbox->GetClientData(n) );
 197         event.SetString( listbox->GetString(n) );
 198     }
 199     else
 200     {
 201         n = -1;
 202     }
 203
 204     event.SetInt(n);
 205
 206     listbox->GetEventHandler()->ProcessEvent( event );
 207
 208     return FALSE;
 209 }
 210 }
 211
 212 //-----------------------------------------------------------------------------
 213 // "button_press_event"
 214 //-----------------------------------------------------------------------------
 215
 216 extern "C" {
 217 static gint
 218 gtk_listbox_button_press_callback( GtkWidget *widget,
 219                                    GdkEventButton *gdk_event,
 220                                    wxListBox *listbox )
 221 {
 222     if (g_isIdle) wxapp_install_idle_handler();
 223
 224     if (g_blockEventsOnDrag) return FALSE;
 225     if (g_blockEventsOnScroll) return FALSE;
 226
 227     if (!listbox->m_hasVMT) return FALSE;
 228
 229     int sel = listbox->GtkGetIndex( widget );
 230
 231 #if wxUSE_CHECKLISTBOX
 232     if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
 233     {
 234         wxCheckListBox *clb = (wxCheckListBox *)listbox;
 235
 236         clb->Check( sel, !clb->IsChecked(sel) );
 237
 238         wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
 239         event.SetEventObject( listbox );
 240         event.SetInt( sel );
 241         listbox->GetEventHandler()->ProcessEvent( event );
 242     }
 243 #endif // wxUSE_CHECKLISTBOX
 244
 245     if ((gdk_event->state == 0) &&
 246          (((listbox->GetWindowStyleFlag() & wxLB_MULTIPLE) != 0) ||
 247           ((listbox->GetWindowStyleFlag() & wxLB_EXTENDED) != 0)) )
 248     {
 249             listbox->m_blockEvent = TRUE;
 250
 251             int i;
 252             for (i = 0; i < (int)listbox->GetCount(); i++)
 253                 if (i != sel)
 254                     gtk_list_unselect_item( GTK_LIST(listbox->m_list), i );
 255
 256             listbox->m_blockEvent = FALSE;
 257
 258             return false;
 259     }
 260
 261     /* emit wxEVT_COMMAND_LISTBOX_DOUBLECLICKED later */
 262     g_hasDoubleClicked = (gdk_event->type == GDK_2BUTTON_PRESS);
 263
 264     return FALSE;
 265 }
 266 }
 267
 268 //-----------------------------------------------------------------------------
 269 // "key_press_event"
 270 //-----------------------------------------------------------------------------
 271
 272 extern "C" {
 273 static gint
 274 gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
 275 {
 276     if (g_isIdle)
 277         wxapp_install_idle_handler();
 278
 279     if (g_blockEventsOnDrag)
 280         return FALSE;
 281
 282     bool ret = FALSE;
 283
 284     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
 285     {
 286         wxNavigationKeyEvent new_event;
 287         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
 288         new_event.SetDirection( (gdk_event->keyval == GDK_Tab) );
 289         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
 290         new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
 291         new_event.SetCurrentFocus( listbox );
 292         ret = listbox->GetEventHandler()->ProcessEvent( new_event );
 293     }
 294
 295     if ((gdk_event->keyval == GDK_Return) && (!ret))
 296     {
 297         // eat return in all modes
 298         ret = TRUE;
 299     }
 300
 301 #if wxUSE_CHECKLISTBOX
 302     if ((gdk_event->keyval == ' ') && (listbox->m_hasCheckBoxes) && (!ret))
 303     {
 304         int sel = listbox->GtkGetIndex( widget );
 305
 306         wxCheckListBox *clb = (wxCheckListBox *)listbox;
 307
 308         clb->Check( sel, !clb->IsChecked(sel) );
 309
 310         wxCommandEvent new_event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
 311         new_event.SetEventObject( listbox );
 312         new_event.SetInt( sel );
 313         ret = listbox->GetEventHandler()->ProcessEvent( new_event );
 314     }
 315 #endif // wxUSE_CHECKLISTBOX
 316
 317     // Check or uncheck item with SPACE
 318     if ((gdk_event->keyval == ' ') && (!ret) &&
 319          (((listbox->GetWindowStyleFlag() & wxLB_MULTIPLE) != 0) ||
 320           ((listbox->GetWindowStyleFlag() & wxLB_EXTENDED) != 0)) )
 321     {
 322         int sel = listbox->GtkGetIndex( widget );
 323
 324         if (sel != -1)
 325         {
 326             ret = TRUE;
 327
 328             if (listbox->IsSelected( sel ))
 329                 gtk_list_unselect_item( listbox->m_list, sel );
 330             else
 331                 gtk_list_select_item( listbox->m_list, sel );
 332
 333             wxCommandEvent new_event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
 334             new_event.SetEventObject( listbox );
 335             wxArrayInt aSelections;
 336             int n, count = listbox->GetSelections(aSelections);
 337             if ( count > 0 )
 338             {
 339                 n = aSelections[0];
 340                 if ( listbox->HasClientObjectData() )
 341                     new_event.SetClientObject( listbox->GetClientObject(n) );
 342                 else if ( listbox->HasClientUntypedData() )
 343                     new_event.SetClientData( listbox->GetClientData(n) );
 344                 new_event.SetString( listbox->GetString(n) );
 345             }
 346             else
 347             {
 348                 n = -1;
 349             }
 350             new_event.SetInt(n);
 351             listbox->GetEventHandler()->ProcessEvent( new_event );
 352         }
 353     }
 354
 355     if (ret)
 356     {
 357         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
 358         return TRUE;
 359     }
 360
 361     return FALSE;
 362 }
 363 }
 364
 365 //-----------------------------------------------------------------------------
 366 // "select" and "deselect"
 367 //-----------------------------------------------------------------------------
 368
 369 static void gtk_listitem_select_cb( GtkWidget *widget,
 370                                     wxListBox *listbox,
 371                                     bool is_selection )
 372 {
 373     if (g_isIdle) wxapp_install_idle_handler();
 374
 375     if (!listbox->m_hasVMT) return;
 376     if (g_blockEventsOnDrag) return;
 377
 378     if (listbox->m_blockEvent) return;
 379
 380     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
 381     event.SetEventObject( listbox );
 382
 383     // indicate whether this is a selection or a deselection
 384     event.SetExtraLong( is_selection );
 385
 386     if ((listbox->GetWindowStyleFlag() & wxLB_SINGLE) != 0)
 387     {
 388         int sel = listbox->GtkGetIndex( widget );
 389
 390         if (listbox->m_prevSelection != sel)
 391             gtk_list_unselect_item( listbox->m_list, listbox->m_prevSelection );
 392
 393         listbox->m_prevSelection = sel;
 394     }
 395
 396     wxArrayInt aSelections;
 397     int n, count = listbox->GetSelections(aSelections);
 398     if ( count > 0 )
 399     {
 400         n = aSelections[0];
 401         if ( listbox->HasClientObjectData() )
 402             event.SetClientObject( listbox->GetClientObject(n) );
 403         else if ( listbox->HasClientUntypedData() )
 404             event.SetClientData( listbox->GetClientData(n) );
 405         event.SetString( listbox->GetString(n) );
 406     }
 407     else
 408     {
 409         n = -1;
 410     }
 411
 412     event.SetInt(n);
 413
 414 //    No longer required with new code in wxLB_SINGLE
 415 //    listbox->GetEventHandler()->AddPendingEvent( event );
 416     listbox->GetEventHandler()->ProcessEvent( event );
 417 }
 418
 419 extern "C" {
 420 static void gtk_listitem_select_callback( GtkWidget *widget, wxListBox *listbox )
 421 {
 422     gtk_listitem_select_cb( widget, listbox, TRUE );
 423 }
 424 }
 425
 426 extern "C" {
 427 static void gtk_listitem_deselect_callback( GtkWidget *widget, wxListBox *listbox )
 428 {
 429     gtk_listitem_select_cb( widget, listbox, FALSE );
 430 }
 431 }
 432
 433 //-----------------------------------------------------------------------------
 434 // wxListBox
 435 //-----------------------------------------------------------------------------
 436
 437 extern "C" {
 438 static gint
 439 gtk_listbox_realized_callback( GtkWidget *m_widget, wxListBox *win )
 440 {
 441     if (g_isIdle)
 442         wxapp_install_idle_handler();
 443
 444     GList *child = win->m_list->children;
 445     for (child = win->m_list->children; child != NULL; child = child->next)
 446         gtk_widget_show( GTK_WIDGET(child->data) );
 447
 448     return false;
 449 }
 450 }
 451
 452 //-----------------------------------------------------------------------------
 453 // wxListBox
 454 //-----------------------------------------------------------------------------
 455
 456 IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)
 457
 458 // ----------------------------------------------------------------------------
 459 // construction
 460 // ----------------------------------------------------------------------------
 461
 462 wxListBox::wxListBox()
 463 {
 464     m_list = (GtkList *) NULL;
 465 #if wxUSE_CHECKLISTBOX
 466     m_hasCheckBoxes = FALSE;
 467 #endif // wxUSE_CHECKLISTBOX
 468 }
 469
 470 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 471                         const wxPoint &pos, const wxSize &size,
 472                         const wxArrayString& choices,
 473                         long style, const wxValidator& validator,
 474                         const wxString &name )
 475 {
 476     wxCArrayString chs(choices);
 477
 478     return Create( parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
 479                    style, validator, name );
 480 }
 481
 482 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 483                         const wxPoint &pos, const wxSize &size,
 484                         int n, const wxString choices[],
 485                         long style, const wxValidator& validator,
 486                         const wxString &name )
 487 {
 488     m_needParent = TRUE;
 489     m_acceptsFocus = TRUE;
 490     m_prevSelection = 0;  // or -1 ??
 491     m_blockEvent = FALSE;
 492
 493     if (!PreCreation( parent, pos, size ) ||
 494         !CreateBase( parent, id, pos, size, style, validator, name ))
 495     {
 496         wxFAIL_MSG( wxT("wxListBox creation failed") );
 497         return FALSE;
 498     }
 499
 500     m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL );
 501     if (style & wxLB_ALWAYS_SB)
 502     {
 503       gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 504         GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS );
 505     }
 506     else
 507     {
 508       gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 509         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 510     }
 511
 512     m_list = GTK_LIST( gtk_list_new() );
 513
 514     GtkSelectionMode mode;
 515     if (style & wxLB_MULTIPLE)
 516     {
 517         mode = GTK_SELECTION_MULTIPLE;
 518     }
 519     else if (style & wxLB_EXTENDED)
 520     {
 521         mode = GTK_SELECTION_EXTENDED;
 522     }
 523     else
 524     {
 525         // if style was 0 set single mode
 526         m_windowStyle |= wxLB_SINGLE;
 527         mode = GTK_SELECTION_SINGLE;
 528     }
 529
 530     gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
 531
 532     gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) );
 533
 534     /* make list scroll when moving the focus down using cursor keys */
 535     gtk_container_set_focus_vadjustment(
 536         GTK_CONTAINER(m_list),
 537         gtk_scrolled_window_get_vadjustment(
 538             GTK_SCROLLED_WINDOW(m_widget)));
 539
 540     gtk_widget_show( GTK_WIDGET(m_list) );
 541
 542     gtk_signal_connect( GTK_OBJECT(m_list), "realize",
 543                         GTK_SIGNAL_FUNC(gtk_listbox_realized_callback), (gpointer) this );
 544
 545     if ( style & wxLB_SORT )
 546     {
 547         // this will change DoAppend() behaviour
 548         m_strings = new wxSortedArrayString;
 549     }
 550     else
 551     {
 552         m_strings = (wxSortedArrayString *)NULL;
 553     }
 554
 555     for (int i = 0; i < n; i++)
 556     {
 557         // add one by one
 558         DoAppend(choices[i]);
 559     }
 560
 561     m_parent->DoAddChild( this );
 562
 563     PostCreation(size);
 564     SetBestSize(size); // need this too because this is a wxControlWithItems
 565
 566     return TRUE;
 567 }
 568
 569 wxListBox::~wxListBox()
 570 {
 571     m_hasVMT = FALSE;
 572
 573     Clear();
 574
 575     if (m_strings)
 576       delete m_strings;
 577 }
 578
 579 // ----------------------------------------------------------------------------
 580 // adding items
 581 // ----------------------------------------------------------------------------
 582
 583 void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 584 {
 585     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 586
 587     // VZ: notice that InsertItems knows nothing about sorting, so calling it
 588     //     from outside (and not from our own Append) is likely to break
 589     //     everything
 590
 591     // code elsewhere supposes we have as many items in m_clientList as items
 592     // in the listbox
 593     wxASSERT_MSG( m_clientList.GetCount() == (size_t)GetCount(),
 594                   wxT("bug in client data management") );
 595
 596     InvalidateBestSize();
 597
 598     GList *children = m_list->children;
 599     int length = g_list_length(children);
 600
 601     wxCHECK_RET( pos <= length, wxT("invalid index in wxListBox::InsertItems") );
 602
 603     size_t nItems = items.GetCount();
 604     int index;
 605
 606     if (m_strings)
 607     {
 608         for (size_t n = 0; n < nItems; n++)
 609         {
 610             index = m_strings->Add( items[n] );
 611
 612             if (index != GetCount())
 613             {
 614                 GtkAddItem( items[n], index );
 615                 wxList::compatibility_iterator node = m_clientList.Item( index );
 616                 m_clientList.Insert( node, (wxObject*) NULL );
 617             }
 618             else
 619             {
 620                 GtkAddItem( items[n] );
 621                 m_clientList.Append( (wxObject*) NULL );
 622             }
 623         }
 624     }
 625     else
 626     {
 627         if (pos == length)
 628         {
 629             for ( size_t n = 0; n < nItems; n++ )
 630             {
 631                 GtkAddItem( items[n] );
 632
 633                 m_clientList.Append((wxObject *)NULL);
 634             }
 635         }
 636         else
 637         {
 638             wxList::compatibility_iterator node = m_clientList.Item( pos );
 639             for ( size_t n = 0; n < nItems; n++ )
 640             {
 641                 GtkAddItem( items[n], pos+n );
 642
 643                 m_clientList.Insert( node, (wxObject *)NULL );
 644             }
 645         }
 646     }
 647
 648     wxASSERT_MSG( m_clientList.GetCount() == (size_t)GetCount(),
 649                       wxT("bug in client data management") );
 650 }
 651
 652 int wxListBox::DoAppend( const wxString& item )
 653 {
 654     InvalidateBestSize();
 655
 656     if (m_strings)
 657     {
 658         // need to determine the index
 659         int index = m_strings->Add( item );
 660
 661         // only if not at the end anyway
 662         if (index != GetCount())
 663         {
 664            GtkAddItem( item, index );
 665
 666            wxList::compatibility_iterator node = m_clientList.Item( index );
 667            m_clientList.Insert( node, (wxObject *)NULL );
 668
 669            return index;
 670         }
 671     }
 672
 673     GtkAddItem(item);
 674
 675     m_clientList.Append((wxObject *)NULL);
 676
 677     return GetCount() - 1;
 678 }
 679
 680 void wxListBox::GtkAddItem( const wxString &item, int pos )
 681 {
 682     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 683
 684     GtkWidget *list_item;
 685
 686     wxString label(item);
 687 #if wxUSE_CHECKLISTBOX
 688     if (m_hasCheckBoxes)
 689     {
 690         label.Prepend(wxCHECKLBOX_STRING);
 691     }
 692 #endif // wxUSE_CHECKLISTBOX
 693
 694     list_item = gtk_list_item_new_with_label( wxGTK_CONV( label ) );
 695
 696     GList *gitem_list = g_list_alloc ();
 697     gitem_list->data = list_item;
 698
 699     if (pos == -1)
 700         gtk_list_append_items( GTK_LIST (m_list), gitem_list );
 701     else
 702         gtk_list_insert_items( GTK_LIST (m_list), gitem_list, pos );
 703
 704     gtk_signal_connect_after( GTK_OBJECT(list_item), "select",
 705       GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 706
 707     if (HasFlag(wxLB_MULTIPLE) || HasFlag(wxLB_EXTENDED))
 708         gtk_signal_connect_after( GTK_OBJECT(list_item), "deselect",
 709           GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
 710
 711     gtk_signal_connect( GTK_OBJECT(list_item),
 712                         "button_press_event",
 713                         (GtkSignalFunc)gtk_listbox_button_press_callback,
 714                         (gpointer) this );
 715
 716     gtk_signal_connect_after( GTK_OBJECT(list_item),
 717                         "button_release_event",
 718                         (GtkSignalFunc)gtk_listbox_button_release_callback,
 719                         (gpointer) this );
 720
 721     gtk_signal_connect( GTK_OBJECT(list_item),
 722                            "key_press_event",
 723                            (GtkSignalFunc)gtk_listbox_key_press_callback,
 724                            (gpointer)this );
 725
 726
 727     gtk_signal_connect( GTK_OBJECT(list_item), "focus_in_event",
 728             GTK_SIGNAL_FUNC(gtk_listitem_focus_in_callback), (gpointer)this );
 729
 730     gtk_signal_connect( GTK_OBJECT(list_item), "focus_out_event",
 731             GTK_SIGNAL_FUNC(gtk_listitem_focus_out_callback), (gpointer)this );
 732
 733     ConnectWidget( list_item );
 734
 735     if (GTK_WIDGET_REALIZED(m_widget))
 736     {
 737         gtk_widget_show( list_item );
 738
 739         gtk_widget_realize( list_item );
 740         gtk_widget_realize( GTK_BIN(list_item)->child );
 741
 742 #if wxUSE_TOOLTIPS
 743         if (m_tooltip) m_tooltip->Apply( this );
 744 #endif
 745     }
 746
 747     // Apply current widget style to the new list_item
 748     GtkRcStyle *style = CreateWidgetStyle();
 749     if (style)
 750     {
 751         gtk_widget_modify_style( GTK_WIDGET( list_item ), style );
 752         GtkBin *bin = GTK_BIN( list_item );
 753         GtkWidget *label = GTK_WIDGET( bin->child );
 754         gtk_widget_modify_style( label, style );
 755         gtk_rc_style_unref( style );
 756     }
 757 }
 758
 759 void wxListBox::DoSetItems( const wxArrayString& items,
 760                             void **clientData)
 761 {
 762     Clear();
 763
 764     DoInsertItems(items, 0);
 765
 766     if ( clientData )
 767     {
 768         size_t count = items.GetCount();
 769         for ( size_t n = 0; n < count; n++ )
 770         {
 771             SetClientData(n, clientData[n]);
 772         }
 773     }
 774 }
 775
 776 // ----------------------------------------------------------------------------
 777 // deleting items
 778 // ----------------------------------------------------------------------------
 779
 780 void wxListBox::Clear()
 781 {
 782     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 783
 784     gtk_list_clear_items( m_list, 0, GetCount() );
 785
 786     if ( GTK_LIST(m_list)->last_focus_child != NULL  )
 787     {
 788         // This should be NULL, I think.
 789         GTK_LIST(m_list)->last_focus_child = NULL;
 790     }
 791
 792     if ( HasClientObjectData() )
 793     {
 794         // destroy the data (due to Robert's idea of using wxList<wxObject>
 795         // and not wxList<wxClientData> we can't just say
 796         // m_clientList.DeleteContents(TRUE) - this would crash!
 797         wxList::compatibility_iterator node = m_clientList.GetFirst();
 798         while ( node )
 799         {
 800             delete (wxClientData *)node->GetData();
 801             node = node->GetNext();
 802         }
 803     }
 804     m_clientList.Clear();
 805
 806     if ( m_strings )
 807         m_strings->Clear();
 808 }
 809
 810 void wxListBox::Delete( int n )
 811 {
 812     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 813
 814     GList *child = g_list_nth( m_list->children, n );
 815
 816     wxCHECK_RET( child, wxT("wrong listbox index") );
 817
 818     GList *list = g_list_append( (GList*) NULL, child->data );
 819     gtk_list_remove_items( m_list, list );
 820     g_list_free( list );
 821
 822     wxList::compatibility_iterator node = m_clientList.Item( n );
 823     if ( node )
 824     {
 825         if ( m_clientDataItemsType == wxClientData_Object )
 826         {
 827             wxClientData *cd = (wxClientData*)node->GetData();
 828             delete cd;
 829         }
 830
 831         m_clientList.Erase( node );
 832     }
 833
 834     if ( m_strings )
 835         m_strings->RemoveAt(n);
 836 }
 837
 838 // ----------------------------------------------------------------------------
 839 // client data
 840 // ----------------------------------------------------------------------------
 841
 842 void wxListBox::DoSetItemClientData( int n, void* clientData )
 843 {
 844     wxCHECK_RET( m_widget != NULL, wxT("invalid listbox control") );
 845
 846     wxList::compatibility_iterator node = m_clientList.Item( n );
 847     wxCHECK_RET( node, wxT("invalid index in wxListBox::DoSetItemClientData") );
 848
 849     node->SetData( (wxObject*) clientData );
 850 }
 851
 852 void* wxListBox::DoGetItemClientData( int n ) const
 853 {
 854     wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid listbox control") );
 855
 856     wxList::compatibility_iterator node = m_clientList.Item( n );
 857     wxCHECK_MSG( node, NULL, wxT("invalid index in wxListBox::DoGetItemClientData") );
 858
 859     return node->GetData();
 860 }
 861
 862 void wxListBox::DoSetItemClientObject( int n, wxClientData* clientData )
 863 {
 864     wxCHECK_RET( m_widget != NULL, wxT("invalid listbox control") );
 865
 866     wxList::compatibility_iterator node = m_clientList.Item( n );
 867     wxCHECK_RET( node, wxT("invalid index in wxListBox::DoSetItemClientObject") );
 868
 869     // wxItemContainer already deletes data for us
 870
 871     node->SetData( (wxObject*) clientData );
 872 }
 873
 874 wxClientData* wxListBox::DoGetItemClientObject( int n ) const
 875 {
 876     wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid listbox control") );
 877
 878     wxList::compatibility_iterator node = m_clientList.Item( n );
 879     wxCHECK_MSG( node, (wxClientData *)NULL,
 880                  wxT("invalid index in wxListBox::DoGetItemClientObject") );
 881
 882     return (wxClientData*) node->GetData();
 883 }
 884
 885 // ----------------------------------------------------------------------------
 886 // string list access
 887 // ----------------------------------------------------------------------------
 888
 889 wxString wxListBox::GetRealLabel(GList *item) const
 890 {
 891     GtkBin *bin = GTK_BIN( item->data );
 892     GtkLabel *label = GTK_LABEL( bin->child );
 893
 894     wxString str;
 895
 896 #ifdef __WXGTK20__
 897     str = wxGTK_CONV_BACK( gtk_label_get_text( label ) );
 898 #else
 899     str = wxString( label->label );
 900 #endif
 901
 902 #if wxUSE_CHECKLISTBOX
 903     // checklistboxes have "[±] " prepended to their lables, remove it
 904     //
 905     // NB: 4 below is the length of wxCHECKLBOX_STRING from wx/gtk/checklst.h
 906     if ( m_hasCheckBoxes )
 907         str.erase(0, 4);
 908 #endif // wxUSE_CHECKLISTBOX
 909
 910     return str;
 911 }
 912
 913 void wxListBox::SetString( int n, const wxString &string )
 914 {
 915     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 916
 917     GList *child = g_list_nth( m_list->children, n );
 918     if (child)
 919     {
 920         GtkBin *bin = GTK_BIN( child->data );
 921         GtkLabel *label = GTK_LABEL( bin->child );
 922
 923         wxString str;
 924 #if wxUSE_CHECKLISTBOX
 925         if (m_hasCheckBoxes)
 926             str += wxCHECKLBOX_STRING;
 927 #endif // wxUSE_CHECKLISTBOX
 928         str += string;
 929
 930         gtk_label_set( label, wxGTK_CONV( str ) );
 931     }
 932     else
 933     {
 934         wxFAIL_MSG(wxT("wrong listbox index"));
 935     }
 936 }
 937
 938 wxString wxListBox::GetString( int n ) const
 939 {
 940     wxCHECK_MSG( m_list != NULL, wxT(""), wxT("invalid listbox") );
 941
 942     GList *child = g_list_nth( m_list->children, n );
 943     if (child)
 944     {
 945         return GetRealLabel(child);
 946     }
 947
 948     wxFAIL_MSG(wxT("wrong listbox index"));
 949
 950     return wxT("");
 951 }
 952
 953 int wxListBox::GetCount() const
 954 {
 955     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 956
 957     GList *children = m_list->children;
 958     return g_list_length(children);
 959 }
 960
 961 int wxListBox::FindString( const wxString &item ) const
 962 {
 963     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 964
 965     GList *child = m_list->children;
 966     int count = 0;
 967     while (child)
 968     {
 969         if ( GetRealLabel(child) == item )
 970             return count;
 971
 972         count++;
 973         child = child->next;
 974     }
 975
 976     // it's not an error if the string is not found -> no wxCHECK
 977
 978     return wxNOT_FOUND;
 979 }
 980
 981 // ----------------------------------------------------------------------------
 982 // selection
 983 // ----------------------------------------------------------------------------
 984
 985 int wxListBox::GetSelection() const
 986 {
 987     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 988
 989     GList *child = m_list->children;
 990     int count = 0;
 991     while (child)
 992     {
 993         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
 994         count++;
 995         child = child->next;
 996     }
 997     return -1;
 998 }
 999
1000 int wxListBox::GetSelections( wxArrayInt& aSelections ) const
1001 {
1002     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
1003
1004     // get the number of selected items first
1005     GList *child = m_list->children;
1006     int count = 0;
1007     for (child = m_list->children; child != NULL; child = child->next)
1008     {
1009         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
1010             count++;
1011     }
1012
1013     aSelections.Empty();
1014
1015     if (count > 0)
1016     {
1017         // now fill the list
1018         aSelections.Alloc(count); // optimization attempt
1019         int i = 0;
1020         for (child = m_list->children; child != NULL; child = child->next, i++)
1021         {
1022             if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
1023                  aSelections.Add(i);
1024         }
1025     }
1026
1027     return count;
1028 }
1029
1030 bool wxListBox::IsSelected( int n ) const
1031 {
1032     wxCHECK_MSG( m_list != NULL, FALSE, wxT("invalid listbox") );
1033
1034     GList *target = g_list_nth( m_list->children, n );
1035
1036     wxCHECK_MSG( target, FALSE, wxT("invalid listbox index") );
1037
1038     return (GTK_WIDGET(target->data)->state == GTK_STATE_SELECTED) ;
1039 }
1040
1041 void wxListBox::DoSetSelection( int n, bool select )
1042 {
1043     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
1044
1045     m_blockEvent = TRUE;
1046
1047     if (select)
1048     {
1049         if ((m_windowStyle & wxLB_SINGLE) != 0)
1050             gtk_list_unselect_item( m_list, m_prevSelection );
1051         gtk_list_select_item( m_list, n );
1052         m_prevSelection = n;
1053     }
1054     else
1055         gtk_list_unselect_item( m_list, n );
1056
1057     m_blockEvent = FALSE;
1058 }
1059
1060 void wxListBox::DoSetFirstItem( int n )
1061 {
1062     wxCHECK_RET( m_list, wxT("invalid listbox") );
1063
1064     if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (m_list))
1065         return;
1066
1067     // terribly efficient
1068     const gchar *vadjustment_key = "gtk-vadjustment";
1069     guint vadjustment_key_id = g_quark_from_static_string (vadjustment_key);
1070
1071     GtkAdjustment *adjustment =
1072        (GtkAdjustment*) gtk_object_get_data_by_id (GTK_OBJECT (m_list), vadjustment_key_id);
1073     wxCHECK_RET( adjustment, wxT("invalid listbox code") );
1074
1075     GList *target = g_list_nth( m_list->children, n );
1076     wxCHECK_RET( target, wxT("invalid listbox index") );
1077
1078     GtkWidget *item = GTK_WIDGET(target->data);
1079     wxCHECK_RET( item, wxT("invalid listbox code") );
1080
1081     if (item->allocation.y == -1)
1082     {
1083         wxlistbox_idle_struct* data = new wxlistbox_idle_struct;
1084         data->m_listbox = this;
1085         data->m_item = n;
1086         data->m_tag = gtk_idle_add_priority( 800, wxlistbox_idle_callback, (gpointer) data );
1087
1088         return;
1089     }
1090
1091     float y = item->allocation.y;
1092     if (y > adjustment->upper - adjustment->page_size)
1093         y = adjustment->upper - adjustment->page_size;
1094     gtk_adjustment_set_value( adjustment, y );
1095 }
1096
1097 // ----------------------------------------------------------------------------
1098 // helpers
1099 // ----------------------------------------------------------------------------
1100
1101 int wxListBox::GtkGetIndex( GtkWidget *item ) const
1102 {
1103     if (item)
1104     {
1105         GList *child = m_list->children;
1106         int count = 0;
1107         while (child)
1108         {
1109             if (GTK_WIDGET(child->data) == item) return count;
1110             count++;
1111             child = child->next;
1112         }
1113     }
1114     return -1;
1115 }
1116
1117 #if wxUSE_TOOLTIPS
1118 void wxListBox::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
1119 {
1120     GList *child = m_list->children;
1121     while (child)
1122     {
1123         gtk_tooltips_set_tip( tips, GTK_WIDGET( child->data ), wxConvCurrent->cWX2MB(tip), (gchar*) NULL );
1124         child = child->next;
1125     }
1126 }
1127 #endif // wxUSE_TOOLTIPS
1128
1129 GtkWidget *wxListBox::GetConnectWidget()
1130 {
1131     // return GTK_WIDGET(m_list);
1132     return m_widget;
1133 }
1134
1135 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
1136 {
1137     return TRUE;
1138
1139 #if 0
1140     if (m_widget->window == window) return TRUE;
1141
1142     if (GTK_WIDGET(m_list)->window == window) return TRUE;
1143
1144     GList *child = m_list->children;
1145     while (child)
1146     {
1147         GtkWidget *bin = GTK_WIDGET( child->data );
1148         if (bin->window == window) return TRUE;
1149         child = child->next;
1150     }
1151
1152     return FALSE;
1153 #endif
1154 }
1155
1156 void wxListBox::DoApplyWidgetStyle(GtkRcStyle *style)
1157 {
1158     if (m_hasBgCol && m_backgroundColour.Ok())
1159     {
1160         GdkWindow *window = GTK_WIDGET(m_list)->window;
1161         if ( window )
1162         {
1163             m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
1164             gdk_window_set_background( window, m_backgroundColour.GetColor() );
1165             gdk_window_clear( window );
1166         }
1167     }
1168
1169     GList *child = m_list->children;
1170     while (child)
1171     {
1172         gtk_widget_modify_style( GTK_WIDGET(child->data), style );
1173
1174         GtkBin *bin = GTK_BIN( child->data );
1175         GtkWidget *label = GTK_WIDGET( bin->child );
1176         gtk_widget_modify_style( label, style );
1177
1178         child = child->next;
1179     }
1180 }
1181
1182 void wxListBox::OnInternalIdle()
1183 {
1184     wxCursor cursor = m_cursor;
1185     if (g_globalCursor.Ok()) cursor = g_globalCursor;
1186
1187     if (GTK_WIDGET(m_list)->window && cursor.Ok())
1188     {
1189         /* I now set the cursor the anew in every OnInternalIdle call
1190            as setting the cursor in a parent window also effects the
1191            windows above so that checking for the current cursor is
1192            not possible. */
1193
1194         gdk_window_set_cursor( GTK_WIDGET(m_list)->window, cursor.GetCursor() );
1195
1196         GList *child = m_list->children;
1197         while (child)
1198         {
1199             GtkBin *bin = GTK_BIN( child->data );
1200             GtkWidget *label = GTK_WIDGET( bin->child );
1201
1202             if (!label->window)
1203                 break;
1204             else
1205                 gdk_window_set_cursor( label->window, cursor.GetCursor() );
1206
1207             child = child->next;
1208         }
1209     }
1210
1211     if (g_delayedFocus == this)
1212     {
1213         if (GTK_WIDGET_REALIZED(m_widget))
1214         {
1215             gtk_widget_grab_focus( m_widget );
1216             g_delayedFocus = NULL;
1217         }
1218     }
1219
1220     if (wxUpdateUIEvent::CanUpdate(this))
1221         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1222 }
1223
1224 wxSize wxListBox::DoGetBestSize() const
1225 {
1226     int lbWidth = 100;  // some defaults
1227     int lbHeight = 110;
1228     int wLine;
1229
1230     // Find the widest line
1231     for(int i = 0; i < GetCount(); i++) {
1232         wxString str(GetString(i));
1233         GetTextExtent(str, &wLine, NULL);
1234         lbWidth = wxMax(lbWidth, wLine);
1235     }
1236
1237     // Add room for the scrollbar
1238     lbWidth += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
1239
1240     // And just a bit more
1241     int cx, cy;
1242     GetTextExtent( wxT("X"), &cx, &cy);
1243     lbWidth += 3 * cx;
1244
1245     // don't make the listbox too tall (limit height to around 10 items) but don't
1246     // make it too small neither
1247     lbHeight = (cy+4) * wxMin(wxMax(GetCount(), 3), 10);
1248
1249     wxSize best(lbWidth, lbHeight);
1250     CacheBestSize(best);
1251     return best;
1252 }
1253
1254 void wxListBox::FixUpMouseEvent(GtkWidget *widget, wxCoord& x, wxCoord& y)
1255 {
1256     // the mouse event coords are relative to the listbox items, we need to
1257     // translate them to the normal client coords
1258     x += widget->allocation.x;
1259     y += widget->allocation.y;
1260 }
1261
1262
1263 // static
1264 wxVisualAttributes
1265 wxListBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1266 {
1267     return GetDefaultAttributesFromGTKWidget(gtk_list_new, true);
1268 }
1269
1270 #endif // wxUSE_LISTBOX
1271