src/gtk/listbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/listbox.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/defs.h"
  14
  15 #if wxUSE_LISTBOX
  16
  17 #include "wx/listbox.h"
  18 #include "wx/dynarray.h"
  19 #include "wx/arrstr.h"
  20 #include "wx/utils.h"
  21 #include "wx/intl.h"
  22 #include "wx/checklst.h"
  23 #include "wx/settings.h"
  24
  25 // FIXME: Use GtkTreeView/GtkListModel instead?
  26 #include <gtk/gtkversion.h>
  27 #ifdef GTK_DISABLE_DEPRECATED
  28 #undef GTK_DISABLE_DEPRECATED
  29 #endif
  30
  31 #include "wx/gtk/private.h"
  32
  33 #if wxUSE_TOOLTIPS
  34 #include "wx/tooltip.h"
  35 #endif
  36
  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     g_source_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         g_signal_stop_emission_by_name (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     g_signal_connect (m_list, "realize",
 543                       G_CALLBACK (gtk_listbox_realized_callback), 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     g_signal_connect_after (list_item, "select",
 705                             G_CALLBACK (gtk_listitem_select_callback),
 706                             this);
 707
 708     if (HasFlag(wxLB_MULTIPLE) || HasFlag(wxLB_EXTENDED))
 709         g_signal_connect_after (list_item, "deselect",
 710                                 G_CALLBACK (gtk_listitem_deselect_callback),
 711                                 this);
 712
 713     g_signal_connect (list_item, "button_press_event",
 714                       G_CALLBACK (gtk_listbox_button_press_callback),
 715                       this);
 716     g_signal_connect_after (list_item, "button_release_event",
 717                             G_CALLBACK (gtk_listbox_button_release_callback),
 718                             this);
 719     g_signal_connect (list_item, "key_press_event",
 720                       G_CALLBACK (gtk_listbox_key_press_callback),
 721                            this);
 722     g_signal_connect (list_item, "focus_in_event",
 723                       G_CALLBACK (gtk_listitem_focus_in_callback),
 724                       this);
 725     g_signal_connect (list_item, "focus_out_event",
 726                       G_CALLBACK (gtk_listitem_focus_out_callback),
 727                       this);
 728
 729     ConnectWidget( list_item );
 730
 731     if (GTK_WIDGET_REALIZED(m_widget))
 732     {
 733         gtk_widget_show( list_item );
 734
 735         gtk_widget_realize( list_item );
 736         gtk_widget_realize( GTK_BIN(list_item)->child );
 737
 738 #if wxUSE_TOOLTIPS
 739         if (m_tooltip) m_tooltip->Apply( this );
 740 #endif
 741     }
 742
 743     // Apply current widget style to the new list_item
 744     GtkRcStyle *style = CreateWidgetStyle();
 745     if (style)
 746     {
 747         gtk_widget_modify_style( GTK_WIDGET( list_item ), style );
 748         GtkBin *bin = GTK_BIN( list_item );
 749         gtk_widget_modify_style( GTK_WIDGET( bin->child ), style );
 750         gtk_rc_style_unref( style );
 751     }
 752 }
 753
 754 void wxListBox::DoSetItems( const wxArrayString& items,
 755                             void **clientData)
 756 {
 757     Clear();
 758
 759     DoInsertItems(items, 0);
 760
 761     if ( clientData )
 762     {
 763         size_t count = items.GetCount();
 764         for ( size_t n = 0; n < count; n++ )
 765         {
 766             SetClientData(n, clientData[n]);
 767         }
 768     }
 769 }
 770
 771 // ----------------------------------------------------------------------------
 772 // deleting items
 773 // ----------------------------------------------------------------------------
 774
 775 void wxListBox::Clear()
 776 {
 777     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 778
 779     gtk_list_clear_items( m_list, 0, GetCount() );
 780
 781     if ( GTK_LIST(m_list)->last_focus_child != NULL  )
 782     {
 783         // This should be NULL, I think.
 784         GTK_LIST(m_list)->last_focus_child = NULL;
 785     }
 786
 787     if ( HasClientObjectData() )
 788     {
 789         // destroy the data (due to Robert's idea of using wxList<wxObject>
 790         // and not wxList<wxClientData> we can't just say
 791         // m_clientList.DeleteContents(TRUE) - this would crash!
 792         wxList::compatibility_iterator node = m_clientList.GetFirst();
 793         while ( node )
 794         {
 795             delete (wxClientData *)node->GetData();
 796             node = node->GetNext();
 797         }
 798     }
 799     m_clientList.Clear();
 800
 801     if ( m_strings )
 802         m_strings->Clear();
 803 }
 804
 805 void wxListBox::Delete( int n )
 806 {
 807     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 808
 809     GList *child = g_list_nth( m_list->children, n );
 810
 811     wxCHECK_RET( child, wxT("wrong listbox index") );
 812
 813     GList *list = g_list_append( (GList*) NULL, child->data );
 814     gtk_list_remove_items( m_list, list );
 815     g_list_free( list );
 816
 817     wxList::compatibility_iterator node = m_clientList.Item( n );
 818     if ( node )
 819     {
 820         if ( m_clientDataItemsType == wxClientData_Object )
 821         {
 822             wxClientData *cd = (wxClientData*)node->GetData();
 823             delete cd;
 824         }
 825
 826         m_clientList.Erase( node );
 827     }
 828
 829     if ( m_strings )
 830         m_strings->RemoveAt(n);
 831 }
 832
 833 // ----------------------------------------------------------------------------
 834 // client data
 835 // ----------------------------------------------------------------------------
 836
 837 void wxListBox::DoSetItemClientData( int n, void* clientData )
 838 {
 839     wxCHECK_RET( m_widget != NULL, wxT("invalid listbox control") );
 840
 841     wxList::compatibility_iterator node = m_clientList.Item( n );
 842     wxCHECK_RET( node, wxT("invalid index in wxListBox::DoSetItemClientData") );
 843
 844     node->SetData( (wxObject*) clientData );
 845 }
 846
 847 void* wxListBox::DoGetItemClientData( int n ) const
 848 {
 849     wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid listbox control") );
 850
 851     wxList::compatibility_iterator node = m_clientList.Item( n );
 852     wxCHECK_MSG( node, NULL, wxT("invalid index in wxListBox::DoGetItemClientData") );
 853
 854     return node->GetData();
 855 }
 856
 857 void wxListBox::DoSetItemClientObject( int n, wxClientData* clientData )
 858 {
 859     wxCHECK_RET( m_widget != NULL, wxT("invalid listbox control") );
 860
 861     wxList::compatibility_iterator node = m_clientList.Item( n );
 862     wxCHECK_RET( node, wxT("invalid index in wxListBox::DoSetItemClientObject") );
 863
 864     // wxItemContainer already deletes data for us
 865
 866     node->SetData( (wxObject*) clientData );
 867 }
 868
 869 wxClientData* wxListBox::DoGetItemClientObject( int n ) const
 870 {
 871     wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid listbox control") );
 872
 873     wxList::compatibility_iterator node = m_clientList.Item( n );
 874     wxCHECK_MSG( node, (wxClientData *)NULL,
 875                  wxT("invalid index in wxListBox::DoGetItemClientObject") );
 876
 877     return (wxClientData*) node->GetData();
 878 }
 879
 880 // ----------------------------------------------------------------------------
 881 // string list access
 882 // ----------------------------------------------------------------------------
 883
 884 wxString wxListBox::GetRealLabel(GList *item) const
 885 {
 886     GtkBin *bin = GTK_BIN( item->data );
 887     GtkLabel *label = GTK_LABEL( bin->child );
 888
 889     wxString str;
 890
 891     str = wxGTK_CONV_BACK( gtk_label_get_text( label ) );
 892
 893 #if wxUSE_CHECKLISTBOX
 894     // checklistboxes have "[±] " prepended to their lables, remove it
 895     //
 896     // NB: 4 below is the length of wxCHECKLBOX_STRING from wx/gtk/checklst.h
 897     if ( m_hasCheckBoxes )
 898         str.erase(0, 4);
 899 #endif // wxUSE_CHECKLISTBOX
 900
 901     return str;
 902 }
 903
 904 void wxListBox::SetString( int n, const wxString &string )
 905 {
 906     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 907
 908     GList *child = g_list_nth( m_list->children, n );
 909     if (child)
 910     {
 911         GtkBin *bin = GTK_BIN( child->data );
 912         GtkLabel *label = GTK_LABEL( bin->child );
 913
 914         wxString str;
 915 #if wxUSE_CHECKLISTBOX
 916         if (m_hasCheckBoxes)
 917             str += wxCHECKLBOX_STRING;
 918 #endif // wxUSE_CHECKLISTBOX
 919         str += string;
 920
 921         gtk_label_set_text( label, wxGTK_CONV( str ) );
 922     }
 923     else
 924     {
 925         wxFAIL_MSG(wxT("wrong listbox index"));
 926     }
 927 }
 928
 929 wxString wxListBox::GetString( int n ) const
 930 {
 931     wxCHECK_MSG( m_list != NULL, wxEmptyString, wxT("invalid listbox") );
 932
 933     GList *child = g_list_nth( m_list->children, n );
 934     if (child)
 935     {
 936         return GetRealLabel(child);
 937     }
 938
 939     wxFAIL_MSG(wxT("wrong listbox index"));
 940
 941     return wxEmptyString;
 942 }
 943
 944 int wxListBox::GetCount() const
 945 {
 946     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 947
 948     GList *children = m_list->children;
 949     return g_list_length(children);
 950 }
 951
 952 int wxListBox::FindString( const wxString &item, bool bCase ) const
 953 {
 954     wxCHECK_MSG( m_list != NULL, wxNOT_FOUND, wxT("invalid listbox") );
 955
 956     GList *child = m_list->children;
 957     int count = 0;
 958     while (child)
 959     {
 960         if ( item.IsSameAs( GetRealLabel(child), bCase ) )
 961             return count;
 962
 963         count++;
 964         child = child->next;
 965     }
 966
 967     // it's not an error if the string is not found -> no wxCHECK
 968
 969     return wxNOT_FOUND;
 970 }
 971
 972 // ----------------------------------------------------------------------------
 973 // selection
 974 // ----------------------------------------------------------------------------
 975
 976 int wxListBox::GetSelection() const
 977 {
 978     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 979
 980     GList *child = m_list->children;
 981     int count = 0;
 982     while (child)
 983     {
 984         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
 985         count++;
 986         child = child->next;
 987     }
 988     return -1;
 989 }
 990
 991 int wxListBox::GetSelections( wxArrayInt& aSelections ) const
 992 {
 993     wxCHECK_MSG( m_list != NULL, -1, wxT("invalid listbox") );
 994
 995     // get the number of selected items first
 996     GList *child = m_list->children;
 997     int count = 0;
 998     for (child = m_list->children; child != NULL; child = child->next)
 999     {
1000         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
1001             count++;
1002     }
1003
1004     aSelections.Empty();
1005
1006     if (count > 0)
1007     {
1008         // now fill the list
1009         aSelections.Alloc(count); // optimization attempt
1010         int i = 0;
1011         for (child = m_list->children; child != NULL; child = child->next, i++)
1012         {
1013             if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
1014                  aSelections.Add(i);
1015         }
1016     }
1017
1018     return count;
1019 }
1020
1021 bool wxListBox::IsSelected( int n ) const
1022 {
1023     wxCHECK_MSG( m_list != NULL, FALSE, wxT("invalid listbox") );
1024
1025     GList *target = g_list_nth( m_list->children, n );
1026
1027     wxCHECK_MSG( target, FALSE, wxT("invalid listbox index") );
1028
1029     return (GTK_WIDGET(target->data)->state == GTK_STATE_SELECTED) ;
1030 }
1031
1032 void wxListBox::DoSetSelection( int n, bool select )
1033 {
1034     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
1035
1036     m_blockEvent = TRUE;
1037
1038     if (select)
1039     {
1040         if ((m_windowStyle & wxLB_SINGLE) != 0)
1041             gtk_list_unselect_item( m_list, m_prevSelection );
1042         gtk_list_select_item( m_list, n );
1043         m_prevSelection = n;
1044     }
1045     else
1046         gtk_list_unselect_item( m_list, n );
1047
1048     m_blockEvent = FALSE;
1049 }
1050
1051 void wxListBox::DoSetFirstItem( int n )
1052 {
1053     wxCHECK_RET( m_list, wxT("invalid listbox") );
1054
1055     if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (m_list))
1056         return;
1057
1058     // terribly efficient
1059     const gchar *vadjustment_key = "gtk-vadjustment";
1060     guint vadjustment_key_id = g_quark_from_static_string (vadjustment_key);
1061
1062     GtkAdjustment *adjustment =
1063        (GtkAdjustment*) gtk_object_get_data_by_id (GTK_OBJECT (m_list), vadjustment_key_id);
1064     wxCHECK_RET( adjustment, wxT("invalid listbox code") );
1065
1066     GList *target = g_list_nth( m_list->children, n );
1067     wxCHECK_RET( target, wxT("invalid listbox index") );
1068
1069     GtkWidget *item = GTK_WIDGET(target->data);
1070     wxCHECK_RET( item, wxT("invalid listbox code") );
1071
1072     if (item->allocation.y == -1)
1073     {
1074         wxlistbox_idle_struct* data = new wxlistbox_idle_struct;
1075         data->m_listbox = this;
1076         data->m_item = n;
1077         data->m_tag = g_idle_add_full( 800, wxlistbox_idle_callback, data, NULL );
1078
1079         return;
1080     }
1081
1082     float y = item->allocation.y;
1083     if (y > adjustment->upper - adjustment->page_size)
1084         y = adjustment->upper - adjustment->page_size;
1085     gtk_adjustment_set_value( adjustment, y );
1086 }
1087
1088 // ----------------------------------------------------------------------------
1089 // helpers
1090 // ----------------------------------------------------------------------------
1091
1092 int wxListBox::GtkGetIndex( GtkWidget *item ) const
1093 {
1094     if (item)
1095     {
1096         GList *child = m_list->children;
1097         int count = 0;
1098         while (child)
1099         {
1100             if (GTK_WIDGET(child->data) == item) return count;
1101             count++;
1102             child = child->next;
1103         }
1104     }
1105     return -1;
1106 }
1107
1108 #if wxUSE_TOOLTIPS
1109 void wxListBox::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
1110 {
1111     GList *child = m_list->children;
1112     while (child)
1113     {
1114         gtk_tooltips_set_tip( tips, GTK_WIDGET( child->data ), wxConvCurrent->cWX2MB(tip), (gchar*) NULL );
1115         child = child->next;
1116     }
1117 }
1118 #endif // wxUSE_TOOLTIPS
1119
1120 GtkWidget *wxListBox::GetConnectWidget()
1121 {
1122     // return GTK_WIDGET(m_list);
1123     return m_widget;
1124 }
1125
1126 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
1127 {
1128     return TRUE;
1129
1130 #if 0
1131     if (m_widget->window == window) return TRUE;
1132
1133     if (GTK_WIDGET(m_list)->window == window) return TRUE;
1134
1135     GList *child = m_list->children;
1136     while (child)
1137     {
1138         GtkWidget *bin = GTK_WIDGET( child->data );
1139         if (bin->window == window) return TRUE;
1140         child = child->next;
1141     }
1142
1143     return FALSE;
1144 #endif
1145 }
1146
1147 void wxListBox::DoApplyWidgetStyle(GtkRcStyle *style)
1148 {
1149     if (m_hasBgCol && m_backgroundColour.Ok())
1150     {
1151         GdkWindow *window = GTK_WIDGET(m_list)->window;
1152         if ( window )
1153         {
1154             m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
1155             gdk_window_set_background( window, m_backgroundColour.GetColor() );
1156             gdk_window_clear( window );
1157         }
1158     }
1159
1160     GList *child = m_list->children;
1161     while (child)
1162     {
1163         gtk_widget_modify_style( GTK_WIDGET(child->data), style );
1164
1165         GtkBin *bin = GTK_BIN( child->data );
1166         GtkWidget *label = GTK_WIDGET( bin->child );
1167         gtk_widget_modify_style( label, style );
1168
1169         child = child->next;
1170     }
1171 }
1172
1173 void wxListBox::OnInternalIdle()
1174 {
1175     wxCursor cursor = m_cursor;
1176     if (g_globalCursor.Ok()) cursor = g_globalCursor;
1177
1178     if (GTK_WIDGET(m_list)->window && cursor.Ok())
1179     {
1180         /* I now set the cursor the anew in every OnInternalIdle call
1181            as setting the cursor in a parent window also effects the
1182            windows above so that checking for the current cursor is
1183            not possible. */
1184
1185         gdk_window_set_cursor( GTK_WIDGET(m_list)->window, cursor.GetCursor() );
1186
1187         GList *child = m_list->children;
1188         while (child)
1189         {
1190             GtkBin *bin = GTK_BIN( child->data );
1191             GtkWidget *label = GTK_WIDGET( bin->child );
1192
1193             if (!label->window)
1194                 break;
1195             else
1196                 gdk_window_set_cursor( label->window, cursor.GetCursor() );
1197
1198             child = child->next;
1199         }
1200     }
1201
1202     if (g_delayedFocus == this)
1203     {
1204         if (GTK_WIDGET_REALIZED(m_widget))
1205         {
1206             gtk_widget_grab_focus( m_widget );
1207             g_delayedFocus = NULL;
1208         }
1209     }
1210
1211     if (wxUpdateUIEvent::CanUpdate(this))
1212         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1213 }
1214
1215 wxSize wxListBox::DoGetBestSize() const
1216 {
1217     int lbWidth = 100;  // some defaults
1218     int lbHeight = 110;
1219     int wLine;
1220
1221     // Find the widest line
1222     for(int i = 0; i < GetCount(); i++) {
1223         wxString str(GetString(i));
1224         GetTextExtent(str, &wLine, NULL);
1225         lbWidth = wxMax(lbWidth, wLine);
1226     }
1227
1228     // Add room for the scrollbar
1229     lbWidth += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
1230
1231     // And just a bit more
1232     int cx, cy;
1233     GetTextExtent( wxT("X"), &cx, &cy);
1234     lbWidth += 3 * cx;
1235
1236     // don't make the listbox too tall (limit height to around 10 items) but don't
1237     // make it too small neither
1238     lbHeight = (cy+4) * wxMin(wxMax(GetCount(), 3), 10);
1239
1240     wxSize best(lbWidth, lbHeight);
1241     CacheBestSize(best);
1242     return best;
1243 }
1244
1245 void wxListBox::FixUpMouseEvent(GtkWidget *widget, wxCoord& x, wxCoord& y)
1246 {
1247     // the mouse event coords are relative to the listbox items, we need to
1248     // translate them to the normal client coords
1249     x += widget->allocation.x;
1250     y += widget->allocation.y;
1251 }
1252
1253
1254 // static
1255 wxVisualAttributes
1256 wxListBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1257 {
1258     return GetDefaultAttributesFromGTKWidget(gtk_list_new, true);
1259 }
1260
1261 #endif // wxUSE_LISTBOX