src/gtk/listbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/listbox.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Modified By: Ryan Norton (GtkTreeView implementation)
   6 // Id:          $Id$
   7 // Copyright:   (c) 1998 Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_LISTBOX
  15
  16 #include "wx/listbox.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/dynarray.h"
  20     #include "wx/intl.h"
  21     #include "wx/log.h"
  22     #include "wx/utils.h"
  23     #include "wx/settings.h"
  24     #include "wx/checklst.h"
  25     #include "wx/arrstr.h"
  26 #endif
  27
  28 #include "wx/gtk/private.h"
  29 #include "wx/gtk/treeentry_gtk.h"
  30
  31 #if wxUSE_TOOLTIPS
  32     #include "wx/tooltip.h"
  33 #endif
  34
  35 #include <gtk/gtk.h>
  36
  37 //-----------------------------------------------------------------------------
  38 // data
  39 //-----------------------------------------------------------------------------
  40
  41 extern bool           g_blockEventsOnDrag;
  42 extern bool           g_blockEventsOnScroll;
  43
  44
  45
  46 //-----------------------------------------------------------------------------
  47 // Macro to tell which row the strings are in (1 if native checklist, 0 if not)
  48 //-----------------------------------------------------------------------------
  49
  50 #if wxUSE_CHECKLISTBOX
  51 #   define WXLISTBOX_DATACOLUMN_ARG(x)  (x->m_hasCheckBoxes ? 1 : 0)
  52 #else
  53 #   define WXLISTBOX_DATACOLUMN_ARG(x)  (0)
  54 #endif // wxUSE_CHECKLISTBOX
  55
  56 #define WXLISTBOX_DATACOLUMN    WXLISTBOX_DATACOLUMN_ARG(this)
  57
  58 //-----------------------------------------------------------------------------
  59 // "row-activated"
  60 //-----------------------------------------------------------------------------
  61
  62 extern "C" {
  63 static void
  64 gtk_listbox_row_activated_callback(GtkTreeView        * WXUNUSED(treeview),
  65                                    GtkTreePath        *path,
  66                                    GtkTreeViewColumn  * WXUNUSED(col),
  67                                    wxListBox          *listbox)
  68 {
  69     if (g_blockEventsOnDrag) return;
  70     if (g_blockEventsOnScroll) return;
  71
  72     // This is triggered by either a double-click or a space press
  73
  74     int sel = gtk_tree_path_get_indices(path)[0];
  75
  76     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
  77     event.SetEventObject( listbox );
  78
  79     if (listbox->IsSelected(sel))
  80     {
  81         GtkTreeEntry* entry = listbox->GtkGetEntry(sel);
  82
  83         if (entry)
  84         {
  85             event.SetInt(sel);
  86             event.SetString(wxConvUTF8.cMB2WX(gtk_tree_entry_get_label(entry)));
  87
  88             if ( listbox->HasClientObjectData() )
  89                 event.SetClientObject( (wxClientData*) gtk_tree_entry_get_userdata(entry) );
  90             else if ( listbox->HasClientUntypedData() )
  91                 event.SetClientData( gtk_tree_entry_get_userdata(entry) );
  92
  93             g_object_unref (entry);
  94         }
  95         else
  96         {
  97             wxLogSysError(wxT("Internal error - could not get entry for double-click"));
  98             event.SetInt(-1);
  99         }
 100     }
 101     else
 102     {
 103         event.SetInt(-1);
 104     }
 105
 106     listbox->HandleWindowEvent( event );
 107 }
 108 }
 109
 110 //-----------------------------------------------------------------------------
 111 // "changed"
 112 //-----------------------------------------------------------------------------
 113
 114 extern "C" {
 115 static void
 116 gtk_listitem_changed_callback(GtkTreeSelection * WXUNUSED(selection),
 117                               wxListBox *listbox )
 118 {
 119     if (g_blockEventsOnDrag) return;
 120
 121     if (listbox->m_blockEvent) return;
 122
 123     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
 124     event.SetEventObject( listbox );
 125
 126     if (listbox->HasFlag(wxLB_MULTIPLE) || listbox->HasFlag(wxLB_EXTENDED))
 127     {
 128         wxArrayInt selections;
 129         listbox->GetSelections( selections );
 130
 131         if (selections.GetCount() == 0)
 132         {
 133             // indicate that this is a deselection
 134             event.SetExtraLong( 0 );
 135             event.SetInt( -1 );
 136
 137             listbox->HandleWindowEvent( event );
 138
 139             return;
 140         }
 141         else
 142         {
 143             // indicate that this is a selection
 144             event.SetExtraLong( 1 );
 145             event.SetInt( selections[0] );
 146
 147             listbox->HandleWindowEvent( event );
 148         }
 149     }
 150     else
 151     {
 152         int index = listbox->GetSelection();
 153         if (index == wxNOT_FOUND)
 154         {
 155             // indicate that this is a deselection
 156             event.SetExtraLong( 0 );
 157             event.SetInt( -1 );
 158
 159             listbox->HandleWindowEvent( event );
 160
 161             return;
 162         }
 163         else
 164         {
 165             GtkTreeEntry* entry = listbox->GtkGetEntry( index );
 166
 167             // indicate that this is a selection
 168             event.SetExtraLong( 1 );
 169
 170             event.SetInt( index );
 171             event.SetString(wxConvUTF8.cMB2WX(gtk_tree_entry_get_label(entry)));
 172
 173             if ( listbox->HasClientObjectData() )
 174                 event.SetClientObject(
 175                     (wxClientData*) gtk_tree_entry_get_userdata(entry)
 176                                  );
 177             else if ( listbox->HasClientUntypedData() )
 178                 event.SetClientData( gtk_tree_entry_get_userdata(entry) );
 179
 180             listbox->HandleWindowEvent( event );
 181
 182             g_object_unref (entry);
 183         }
 184     }
 185 }
 186 }
 187
 188 //-----------------------------------------------------------------------------
 189 // GtkTreeEntry destruction (to destroy client data)
 190 //-----------------------------------------------------------------------------
 191
 192 extern "C" {
 193 static void gtk_tree_entry_destroy_cb(GtkTreeEntry* entry,
 194                                       wxListBox* listbox)
 195 {
 196     if (listbox->HasClientObjectData())
 197     {
 198         gpointer userdata = gtk_tree_entry_get_userdata(entry);
 199         if (userdata)
 200             delete (wxClientData *)userdata;
 201     }
 202 }
 203 }
 204
 205 //-----------------------------------------------------------------------------
 206 // Sorting callback (standard CmpNoCase return value)
 207 //-----------------------------------------------------------------------------
 208
 209 extern "C" {
 210 static gint gtk_listbox_sort_callback(GtkTreeModel * WXUNUSED(model),
 211                                       GtkTreeIter  *a,
 212                                       GtkTreeIter  *b,
 213                                       wxListBox    *listbox)
 214 {
 215     GtkTreeEntry* entry;
 216     GtkTreeEntry* entry2;
 217
 218     gtk_tree_model_get(GTK_TREE_MODEL(listbox->m_liststore),
 219                              a,
 220                              WXLISTBOX_DATACOLUMN_ARG(listbox),
 221                              &entry, -1);
 222     gtk_tree_model_get(GTK_TREE_MODEL(listbox->m_liststore),
 223                              b,
 224                              WXLISTBOX_DATACOLUMN_ARG(listbox),
 225                              &entry2, -1);
 226     wxCHECK_MSG(entry, 0, wxT("Could not get entry"));
 227     wxCHECK_MSG(entry2, 0, wxT("Could not get entry2"));
 228
 229     //We compare collate keys here instead of calling g_utf8_collate
 230     //as it is rather slow (and even the docs reccommend this)
 231     int ret = strcmp(gtk_tree_entry_get_collate_key(entry),
 232                      gtk_tree_entry_get_collate_key(entry2));
 233
 234     g_object_unref (entry);
 235     g_object_unref (entry2);
 236
 237     return ret;
 238 }
 239 }
 240
 241 //-----------------------------------------------------------------------------
 242 // Searching callback (TRUE == not equal, FALSE == equal)
 243 //-----------------------------------------------------------------------------
 244
 245 extern "C" {
 246 static gboolean gtk_listbox_searchequal_callback(GtkTreeModel * WXUNUSED(model),
 247                                                  gint WXUNUSED(column),
 248                                                  const gchar* key,
 249                                                  GtkTreeIter* iter,
 250                                                  wxListBox* listbox)
 251 {
 252     GtkTreeEntry* entry;
 253
 254     gtk_tree_model_get(GTK_TREE_MODEL(listbox->m_liststore),
 255                              iter,
 256                              WXLISTBOX_DATACOLUMN_ARG(listbox),
 257                              &entry, -1);
 258     wxCHECK_MSG(entry, 0, wxT("Could not get entry"));
 259     wxGtkString keycollatekey(g_utf8_collate_key(key, -1));
 260
 261     int ret = strcmp(keycollatekey,
 262                      gtk_tree_entry_get_collate_key(entry));
 263
 264     g_object_unref (entry);
 265
 266     return ret != 0;
 267 }
 268 }
 269
 270 //-----------------------------------------------------------------------------
 271 // wxListBox
 272 //-----------------------------------------------------------------------------
 273
 274 IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControlWithItems)
 275
 276 // ----------------------------------------------------------------------------
 277 // construction
 278 // ----------------------------------------------------------------------------
 279
 280 void wxListBox::Init()
 281 {
 282     m_treeview = (GtkTreeView*) NULL;
 283 #if wxUSE_CHECKLISTBOX
 284     m_hasCheckBoxes = false;
 285 #endif // wxUSE_CHECKLISTBOX
 286 }
 287
 288 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 289                         const wxPoint &pos, const wxSize &size,
 290                         const wxArrayString& choices,
 291                         long style, const wxValidator& validator,
 292                         const wxString &name )
 293 {
 294     wxCArrayString chs(choices);
 295
 296     return Create( parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
 297                    style, validator, name );
 298 }
 299
 300 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 301                         const wxPoint &pos, const wxSize &size,
 302                         int n, const wxString choices[],
 303                         long style, const wxValidator& validator,
 304                         const wxString &name )
 305 {
 306     m_blockEvent = false;
 307
 308     if (!PreCreation( parent, pos, size ) ||
 309         !CreateBase( parent, id, pos, size, style, validator, name ))
 310     {
 311         wxFAIL_MSG( wxT("wxListBox creation failed") );
 312         return false;
 313     }
 314
 315     m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL );
 316     if (style & wxLB_ALWAYS_SB)
 317     {
 318       gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 319         GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS );
 320     }
 321     else
 322     {
 323       gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 324         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 325     }
 326
 327
 328     GtkScrolledWindowSetBorder(m_widget, style);
 329
 330     m_treeview = GTK_TREE_VIEW( gtk_tree_view_new( ) );
 331
 332     //wxListBox doesn't have a header :)
 333     //NB: If enabled SetFirstItem doesn't work correctly
 334     gtk_tree_view_set_headers_visible(m_treeview, FALSE);
 335
 336 #if wxUSE_CHECKLISTBOX
 337     if(m_hasCheckBoxes)
 338         ((wxCheckListBox*)this)->DoCreateCheckList();
 339 #endif // wxUSE_CHECKLISTBOX
 340
 341     // Create the data column
 342     gtk_tree_view_insert_column_with_attributes(m_treeview, -1, "",
 343                                                 gtk_cell_renderer_text_new(),
 344                                                 "text",
 345                                                 WXLISTBOX_DATACOLUMN, NULL);
 346
 347     // Now create+set the model (GtkListStore) - first argument # of columns
 348 #if wxUSE_CHECKLISTBOX
 349     if(m_hasCheckBoxes)
 350         m_liststore = gtk_list_store_new(2, G_TYPE_BOOLEAN,
 351                                             GTK_TYPE_TREE_ENTRY);
 352     else
 353 #endif
 354         m_liststore = gtk_list_store_new(1, GTK_TYPE_TREE_ENTRY);
 355
 356     gtk_tree_view_set_model(m_treeview, GTK_TREE_MODEL(m_liststore));
 357
 358     g_object_unref (m_liststore); //free on treeview destruction
 359
 360     // Disable the pop-up textctrl that enables searching - note that
 361     // the docs specify that even if this disabled (which we are doing)
 362     // the user can still have it through the start-interactive-search
 363     // key binding...either way we want to provide a searchequal callback
 364     // NB: If this is enabled a doubleclick event (activate) gets sent
 365     //     on a successful search
 366     gtk_tree_view_set_search_column(m_treeview, WXLISTBOX_DATACOLUMN);
 367     gtk_tree_view_set_search_equal_func(m_treeview,
 368        (GtkTreeViewSearchEqualFunc) gtk_listbox_searchequal_callback,
 369                                         this,
 370                                         NULL);
 371
 372     gtk_tree_view_set_enable_search(m_treeview, FALSE);
 373
 374
 375     GtkTreeSelection* selection = gtk_tree_view_get_selection( m_treeview );
 376
 377     g_signal_connect_after (selection, "changed",
 378                             G_CALLBACK (gtk_listitem_changed_callback), this);
 379
 380     GtkSelectionMode mode;
 381     if (style & wxLB_MULTIPLE)
 382     {
 383         mode = GTK_SELECTION_MULTIPLE;
 384     }
 385     else if (style & wxLB_EXTENDED)
 386     {
 387         mode = GTK_SELECTION_EXTENDED;
 388     }
 389     else
 390     {
 391         // if style was 0 set single mode
 392         m_windowStyle |= wxLB_SINGLE;
 393         mode = GTK_SELECTION_SINGLE;
 394     }
 395
 396     gtk_tree_selection_set_mode( selection, mode );
 397
 398     // Handle sortable stuff
 399     if(HasFlag(wxLB_SORT))
 400     {
 401         // Setup sorting in ascending (wx) order
 402         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(m_liststore),
 403                                              WXLISTBOX_DATACOLUMN,
 404                                              GTK_SORT_ASCENDING);
 405
 406         // Set the sort callback
 407         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(m_liststore),
 408                                         WXLISTBOX_DATACOLUMN,
 409                    (GtkTreeIterCompareFunc) gtk_listbox_sort_callback,
 410                                         this, //userdata
 411                                         NULL //"destroy notifier"
 412                                        );
 413     }
 414
 415
 416     gtk_container_add (GTK_CONTAINER (m_widget), GTK_WIDGET(m_treeview) );
 417
 418     gtk_widget_show( GTK_WIDGET(m_treeview) );
 419     m_focusWidget = GTK_WIDGET(m_treeview);
 420
 421     Append(n, choices); // insert initial items
 422
 423     // generate dclick events
 424     g_signal_connect_after(m_treeview, "row-activated",
 425                      G_CALLBACK(gtk_listbox_row_activated_callback), this);
 426
 427     m_parent->DoAddChild( this );
 428
 429     PostCreation(size);
 430     SetInitialSize(size); // need this too because this is a wxControlWithItems
 431
 432     return true;
 433 }
 434
 435 wxListBox::~wxListBox()
 436 {
 437     m_hasVMT = false;
 438
 439     Clear();
 440 }
 441
 442 // ----------------------------------------------------------------------------
 443 // adding items
 444 // ----------------------------------------------------------------------------
 445
 446 int wxListBox::DoInsertItems(const wxArrayStringsAdapter& items,
 447                              unsigned int pos,
 448                              void **clientData,
 449                              wxClientDataType type)
 450 {
 451     wxCHECK_MSG( m_treeview != NULL, wxNOT_FOUND, wxT("invalid listbox") );
 452
 453     InvalidateBestSize();
 454
 455     GtkTreeIter* pIter = NULL; // append by default
 456     GtkTreeIter iter;
 457     if ( pos != GetCount() )
 458     {
 459         wxCHECK_MSG( GtkGetIteratorFor(pos, &iter), wxNOT_FOUND,
 460                      wxT("internal wxListBox error in insertion") );
 461
 462         pIter = &iter;
 463     }
 464
 465     const unsigned int numItems = items.GetCount();
 466     for ( unsigned int i = 0; i < numItems; ++i )
 467     {
 468         GtkTreeEntry* entry = gtk_tree_entry_new();
 469         gtk_tree_entry_set_label(entry, wxGTK_CONV(items[i]));
 470         gtk_tree_entry_set_destroy_func(entry,
 471                 (GtkTreeEntryDestroy)gtk_tree_entry_destroy_cb,
 472                             this);
 473
 474         GtkTreeIter itercur;
 475         gtk_list_store_insert_before(m_liststore, &itercur, pIter);
 476
 477         GtkSetItem(itercur, entry);
 478
 479         g_object_unref (entry);
 480
 481         if (clientData)
 482             AssignNewItemClientData(GtkGetIndexFor(itercur), clientData, i, type);
 483     }
 484
 485     return pos + numItems - 1;
 486 }
 487
 488 // ----------------------------------------------------------------------------
 489 // deleting items
 490 // ----------------------------------------------------------------------------
 491
 492 void wxListBox::DoClear()
 493 {
 494     wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
 495
 496     InvalidateBestSize();
 497
 498     gtk_list_store_clear( m_liststore ); /* well, THAT was easy :) */
 499 }
 500
 501 void wxListBox::DoDeleteOneItem(unsigned int n)
 502 {
 503     wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
 504
 505     InvalidateBestSize();
 506
 507     GtkTreeIter iter;
 508     wxCHECK_RET( GtkGetIteratorFor(n, &iter), wxT("wrong listbox index") );
 509
 510     // this returns false if iter is invalid (e.g. deleting item at end) but
 511     // since we don't use iter, we ignore the return value
 512     gtk_list_store_remove(m_liststore, &iter);
 513 }
 514
 515 // ----------------------------------------------------------------------------
 516 // helper functions for working with iterators
 517 // ----------------------------------------------------------------------------
 518
 519 bool wxListBox::GtkGetIteratorFor(unsigned pos, GtkTreeIter *iter) const
 520 {
 521     if ( !gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(m_liststore),
 522                                         iter, NULL, pos) )
 523     {
 524         wxLogDebug(wxT("gtk_tree_model_iter_nth_child(%u) failed"), pos);
 525         return false;
 526     }
 527
 528     return true;
 529 }
 530
 531 int wxListBox::GtkGetIndexFor(GtkTreeIter& iter) const
 532 {
 533     GtkTreePath *path =
 534         gtk_tree_model_get_path(GTK_TREE_MODEL(m_liststore), &iter);
 535
 536     gint* pIntPath = gtk_tree_path_get_indices(path);
 537
 538     wxCHECK_MSG( pIntPath, wxNOT_FOUND, _T("failed to get iterator path") );
 539
 540     int idx = pIntPath[0];
 541
 542     gtk_tree_path_free( path );
 543
 544     return idx;
 545 }
 546
 547 // get GtkTreeEntry from position (note: you need to g_unref it if valid)
 548 GtkTreeEntry *wxListBox::GtkGetEntry(unsigned n) const
 549 {
 550     GtkTreeIter iter;
 551     if ( !GtkGetIteratorFor(n, &iter) )
 552         return NULL;
 553
 554
 555     GtkTreeEntry* entry = NULL;
 556     gtk_tree_model_get(GTK_TREE_MODEL(m_liststore), &iter,
 557                        WXLISTBOX_DATACOLUMN, &entry, -1);
 558
 559     return entry;
 560 }
 561
 562 void wxListBox::GtkSetItem(GtkTreeIter& iter, const GtkTreeEntry *entry)
 563 {
 564 #if wxUSE_CHECKLISTBOX
 565     if ( m_hasCheckBoxes )
 566     {
 567         gtk_list_store_set(m_liststore, &iter,
 568                            0, FALSE, // FALSE == not toggled
 569                            1, entry,
 570                            -1);
 571     }
 572     else
 573 #endif // wxUSE_CHECKLISTBOX
 574     {
 575         gtk_list_store_set(m_liststore, &iter, 0, entry, -1);
 576     }
 577 }
 578
 579 // ----------------------------------------------------------------------------
 580 // client data
 581 // ----------------------------------------------------------------------------
 582
 583 void* wxListBox::DoGetItemClientData(unsigned int n) const
 584 {
 585     wxCHECK_MSG( IsValid(n), NULL,
 586                  wxT("Invalid index passed to GetItemClientData") );
 587
 588     GtkTreeEntry* entry = GtkGetEntry(n);
 589     wxCHECK_MSG(entry, NULL, wxT("could not get entry"));
 590
 591     void* userdata = gtk_tree_entry_get_userdata( entry );
 592     g_object_unref (entry);
 593     return userdata;
 594 }
 595
 596 void wxListBox::DoSetItemClientData(unsigned int n, void* clientData)
 597 {
 598     wxCHECK_RET( IsValid(n),
 599                  wxT("Invalid index passed to SetItemClientData") );
 600
 601     GtkTreeEntry* entry = GtkGetEntry(n);
 602     wxCHECK_RET(entry, wxT("could not get entry"));
 603
 604     gtk_tree_entry_set_userdata( entry, clientData );
 605     g_object_unref (entry);
 606 }
 607
 608 // ----------------------------------------------------------------------------
 609 // string list access
 610 // ----------------------------------------------------------------------------
 611
 612 void wxListBox::SetString(unsigned int n, const wxString& label)
 613 {
 614     wxCHECK_RET( IsValid(n), wxT("invalid index in wxListBox::SetString") );
 615     wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
 616
 617     GtkTreeEntry* entry = GtkGetEntry(n);
 618     wxCHECK_RET( entry, wxT("wrong listbox index") );
 619
 620     // update the item itself
 621     gtk_tree_entry_set_label(entry, wxGTK_CONV(label));
 622
 623     // and update the model which will refresh the tree too
 624     GtkTreeIter iter;
 625     wxCHECK_RET( GtkGetIteratorFor(n, &iter), _T("failed to get iterator") );
 626
 627     // FIXME: this resets the checked status of a wxCheckListBox item
 628
 629     GtkSetItem(iter, entry);
 630 }
 631
 632 wxString wxListBox::GetString(unsigned int n) const
 633 {
 634     wxCHECK_MSG( m_treeview != NULL, wxEmptyString, wxT("invalid listbox") );
 635
 636     GtkTreeEntry* entry = GtkGetEntry(n);
 637     wxCHECK_MSG( entry, wxEmptyString, wxT("wrong listbox index") );
 638
 639     wxString label = wxGTK_CONV_BACK( gtk_tree_entry_get_label(entry) );
 640
 641     g_object_unref (entry);
 642     return label;
 643 }
 644
 645 unsigned int wxListBox::GetCount() const
 646 {
 647     wxCHECK_MSG( m_treeview != NULL, 0, wxT("invalid listbox") );
 648
 649     return (unsigned int)gtk_tree_model_iter_n_children(GTK_TREE_MODEL(m_liststore), NULL);
 650 }
 651
 652 int wxListBox::FindString( const wxString &item, bool bCase ) const
 653 {
 654     wxCHECK_MSG( m_treeview != NULL, wxNOT_FOUND, wxT("invalid listbox") );
 655
 656     //Sort of hackish - maybe there is a faster way
 657     unsigned int nCount = wxListBox::GetCount();
 658
 659     for(unsigned int i = 0; i < nCount; ++i)
 660     {
 661         if( item.IsSameAs( wxListBox::GetString(i), bCase ) )
 662             return (int)i;
 663     }
 664
 665
 666     // it's not an error if the string is not found -> no wxCHECK
 667     return wxNOT_FOUND;
 668 }
 669
 670 // ----------------------------------------------------------------------------
 671 // selection
 672 // ----------------------------------------------------------------------------
 673
 674 int wxListBox::GetSelection() const
 675 {
 676     wxCHECK_MSG( m_treeview != NULL, wxNOT_FOUND, wxT("invalid listbox"));
 677     wxCHECK_MSG( HasFlag(wxLB_SINGLE), wxNOT_FOUND,
 678                     wxT("must be single selection listbox"));
 679
 680     GtkTreeIter iter;
 681     GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
 682
 683     // only works on single-sel
 684     if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
 685         return wxNOT_FOUND;
 686
 687     return GtkGetIndexFor(iter);
 688 }
 689
 690 int wxListBox::GetSelections( wxArrayInt& aSelections ) const
 691 {
 692     wxCHECK_MSG( m_treeview != NULL, wxNOT_FOUND, wxT("invalid listbox") );
 693
 694     aSelections.Empty();
 695
 696         int i = 0;
 697     GtkTreeIter iter;
 698     GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
 699
 700     if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(m_liststore), &iter))
 701     { //gtk_tree_selection_get_selected_rows is GTK 2.2+ so iter instead
 702         do
 703         {
 704             if (gtk_tree_selection_iter_is_selected(selection, &iter))
 705                 aSelections.Add(i);
 706
 707             i++;
 708         } while(gtk_tree_model_iter_next(GTK_TREE_MODEL(m_liststore), &iter));
 709     }
 710
 711     return aSelections.GetCount();
 712 }
 713
 714 bool wxListBox::IsSelected( int n ) const
 715 {
 716     wxCHECK_MSG( m_treeview != NULL, false, wxT("invalid listbox") );
 717
 718     GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
 719
 720     GtkTreeIter iter;
 721     wxCHECK_MSG( GtkGetIteratorFor(n, &iter), false, wxT("Invalid index") );
 722
 723     return gtk_tree_selection_iter_is_selected(selection, &iter);
 724 }
 725
 726 void wxListBox::DoSetSelection( int n, bool select )
 727 {
 728     // passing -1 to SetSelection() is documented to deselect all items
 729     if ( n == wxNOT_FOUND )
 730     {
 731         // ... and not generate any events in the process
 732         GtkDeselectAll();
 733         return;
 734     }
 735
 736     wxCHECK_RET( IsValid(n), wxT("invalid index in wxListBox::SetSelection") );
 737
 738     // don't generate the selection event
 739     GtkSetSelection(n, select, true);
 740 }
 741
 742 void wxListBox::GtkDeselectAll()
 743 {
 744     wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
 745
 746     GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
 747
 748     m_blockEvent = true;
 749
 750     gtk_tree_selection_unselect_all(selection);
 751
 752     m_blockEvent = false;
 753 }
 754
 755 void wxListBox::GtkSetSelection(int n, const bool select, const bool blockEvent)
 756 {
 757     wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
 758
 759     GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
 760
 761     GtkTreeIter iter;
 762     wxCHECK_RET( GtkGetIteratorFor(n, &iter), wxT("Invalid index") );
 763
 764     m_blockEvent = blockEvent;
 765
 766     if (select)
 767         gtk_tree_selection_select_iter(selection, &iter);
 768     else
 769         gtk_tree_selection_unselect_iter(selection, &iter);
 770
 771     GtkTreePath* path = gtk_tree_model_get_path(
 772                         GTK_TREE_MODEL(m_liststore), &iter);
 773
 774     gtk_tree_view_scroll_to_cell(m_treeview, path, NULL, FALSE, 0.0f, 0.0f);
 775
 776     gtk_tree_path_free(path);
 777
 778     m_blockEvent = false;
 779 }
 780
 781 void wxListBox::DoSetFirstItem( int n )
 782 {
 783     wxCHECK_RET( m_treeview, wxT("invalid listbox") );
 784     wxCHECK_RET( IsValid(n), wxT("invalid index"));
 785
 786     //RN: I have no idea why this line is needed...
 787     if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (m_treeview))
 788         return;
 789
 790     GtkTreeIter iter;
 791     if ( !GtkGetIteratorFor(n, &iter) )
 792         return;
 793
 794     GtkTreePath* path = gtk_tree_model_get_path(
 795                             GTK_TREE_MODEL(m_liststore), &iter);
 796
 797     // Scroll to the desired cell (0.0 == topleft alignment)
 798     gtk_tree_view_scroll_to_cell(m_treeview, path, NULL,
 799                                  TRUE, 0.0f, 0.0f);
 800
 801     gtk_tree_path_free(path);
 802 }
 803
 804 // ----------------------------------------------------------------------------
 805 // hittest
 806 // ----------------------------------------------------------------------------
 807
 808 int wxListBox::DoListHitTest(const wxPoint& point) const
 809 {
 810     // gtk_tree_view_get_path_at_pos() also gets items that are not visible and
 811     // we only want visible items we need to check for it manually here
 812     if ( !GetClientRect().Contains(point) )
 813         return wxNOT_FOUND;
 814
 815     // need to translate from master window since it is in client coords
 816     gint binx, biny;
 817     gdk_window_get_geometry(gtk_tree_view_get_bin_window(m_treeview),
 818                             &binx, &biny, NULL, NULL, NULL);
 819
 820     GtkTreePath* path;
 821     if ( !gtk_tree_view_get_path_at_pos
 822           (
 823             m_treeview,
 824             point.x - binx,
 825             point.y - biny,
 826             &path,
 827             NULL,   // [out] column (always 0 here)
 828             NULL,   // [out] x-coord relative to the cell (not interested)
 829             NULL    // [out] y-coord relative to the cell
 830           ) )
 831     {
 832         return wxNOT_FOUND;
 833     }
 834
 835     int index = gtk_tree_path_get_indices(path)[0];
 836     gtk_tree_path_free(path);
 837
 838     return index;
 839 }
 840
 841 // ----------------------------------------------------------------------------
 842 // helpers
 843 // ----------------------------------------------------------------------------
 844
 845 #if wxUSE_TOOLTIPS
 846 void wxListBox::ApplyToolTip( GtkTooltips *tips, const gchar *tip )
 847 {
 848     // RN: Is this needed anymore?
 849     gtk_tooltips_set_tip( tips, GTK_WIDGET( m_treeview ), tip, (gchar*) NULL );
 850 }
 851 #endif // wxUSE_TOOLTIPS
 852
 853 GtkWidget *wxListBox::GetConnectWidget()
 854 {
 855     // the correct widget for listbox events (such as mouse clicks for example)
 856     // is m_treeview, not the parent scrolled window
 857     return GTK_WIDGET(m_treeview);
 858 }
 859
 860 GdkWindow *wxListBox::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
 861 {
 862     return gtk_tree_view_get_bin_window(m_treeview);
 863 }
 864
 865 void wxListBox::DoApplyWidgetStyle(GtkRcStyle *style)
 866 {
 867     if (m_hasBgCol && m_backgroundColour.Ok())
 868     {
 869         GdkWindow *window = gtk_tree_view_get_bin_window(m_treeview);
 870         if (window)
 871         {
 872             m_backgroundColour.CalcPixel( gdk_drawable_get_colormap( window ) );
 873             gdk_window_set_background( window, m_backgroundColour.GetColor() );
 874             gdk_window_clear( window );
 875         }
 876     }
 877
 878     gtk_widget_modify_style( GTK_WIDGET(m_treeview), style );
 879 }
 880
 881 wxSize wxListBox::DoGetBestSize() const
 882 {
 883     wxCHECK_MSG(m_treeview, wxDefaultSize, wxT("invalid tree view"));
 884
 885     // Start with a minimum size that's not too small
 886     int cx, cy;
 887     GetTextExtent( wxT("X"), &cx, &cy);
 888     int lbWidth = 3 * cx;
 889     int lbHeight = 10;
 890
 891     // Get the visible area of the tree view (limit to the 10th item
 892     // so that it isn't too big)
 893     unsigned int count = GetCount();
 894     if (count)
 895     {
 896         int wLine;
 897
 898         // Find the widest line
 899         for(unsigned int i = 0; i < count; i++) {
 900             wxString str(GetString(i));
 901             GetTextExtent(str, &wLine, NULL);
 902             lbWidth = wxMax(lbWidth, wLine);
 903         }
 904
 905         lbWidth += 3 * cx;
 906
 907         // And just a bit more for the checkbox if present and then some
 908         // (these are rough guesses)
 909 #if wxUSE_CHECKLISTBOX
 910         if ( m_hasCheckBoxes )
 911         {
 912             lbWidth += 35;
 913             cy = cy > 25 ? cy : 25; // rough height of checkbox
 914         }
 915 #endif
 916
 917         // don't make the listbox too tall (limit height to around 10 items) but don't
 918         // make it too small neither
 919         lbHeight = (cy+4) * wxMin(wxMax(count, 3), 10);
 920     }
 921
 922     // Add room for the scrollbar
 923     lbWidth += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
 924
 925     wxSize best(lbWidth, lbHeight);
 926     CacheBestSize(best);
 927     return best;
 928 }
 929
 930 // static
 931 wxVisualAttributes
 932 wxListBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 933 {
 934     return GetDefaultAttributesFromGTKWidget(gtk_tree_view_new, true);
 935 }
 936
 937 #endif // wxUSE_LISTBOX