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/private/object.h"
  30 #include "wx/gtk/treeentry_gtk.h"
  31
  32 #if wxUSE_TOOLTIPS
  33     #include "wx/tooltip.h"
  34 #endif
  35
  36 #include <gtk/gtk.h>
  37 #include <gdk/gdkkeysyms.h>
  38
  39 //-----------------------------------------------------------------------------
  40 // data
  41 //-----------------------------------------------------------------------------
  42
  43 extern bool           g_blockEventsOnDrag;
  44 extern bool           g_blockEventsOnScroll;
  45
  46
  47
  48 //-----------------------------------------------------------------------------
  49 // Macro to tell which row the strings are in (1 if native checklist, 0 if not)
  50 //-----------------------------------------------------------------------------
  51
  52 #if wxUSE_CHECKLISTBOX
  53 #   define WXLISTBOX_DATACOLUMN_ARG(x)  (x->m_hasCheckBoxes ? 1 : 0)
  54 #else
  55 #   define WXLISTBOX_DATACOLUMN_ARG(x)  (0)
  56 #endif // wxUSE_CHECKLISTBOX
  57
  58 #define WXLISTBOX_DATACOLUMN    WXLISTBOX_DATACOLUMN_ARG(this)
  59
  60 // ----------------------------------------------------------------------------
  61 // helper functions
  62 // ----------------------------------------------------------------------------
  63
  64 namespace
  65 {
  66
  67 // Return the entry for the given listbox item.
  68 //
  69 // Return value must be released by caller if non-NULL.
  70 GtkTreeEntry *
  71 GetEntry(GtkListStore *store, GtkTreeIter *iter, const wxListBox *listbox)
  72 {
  73     GtkTreeEntry* entry;
  74     gtk_tree_model_get(GTK_TREE_MODEL(store),
  75                        iter,
  76                        WXLISTBOX_DATACOLUMN_ARG(listbox),
  77                        &entry,
  78                        -1);
  79
  80     return entry;
  81 }
  82
  83 } // anonymous namespace
  84
  85 //-----------------------------------------------------------------------------
  86 // "row-activated"
  87 //-----------------------------------------------------------------------------
  88
  89 extern "C" {
  90 static void
  91 gtk_listbox_row_activated_callback(GtkTreeView        * WXUNUSED(treeview),
  92                                    GtkTreePath        *path,
  93                                    GtkTreeViewColumn  * WXUNUSED(col),
  94                                    wxListBox          *listbox)
  95 {
  96     if (g_blockEventsOnDrag) return;
  97     if (g_blockEventsOnScroll) return;
  98
  99     // This is triggered by either a double-click or a space press
 100
 101     int sel = gtk_tree_path_get_indices(path)[0];
 102
 103     listbox->GTKOnActivated(sel);
 104 }
 105 }
 106
 107 //-----------------------------------------------------------------------------
 108 // "changed"
 109 //-----------------------------------------------------------------------------
 110
 111 extern "C" {
 112 static void
 113 gtk_listitem_changed_callback(GtkTreeSelection * WXUNUSED(selection),
 114                               wxListBox *listbox )
 115 {
 116     if (g_blockEventsOnDrag) return;
 117
 118     listbox->GTKOnSelectionChanged();
 119 }
 120
 121 }
 122
 123 //-----------------------------------------------------------------------------
 124 // "key_press_event"
 125 //-----------------------------------------------------------------------------
 126
 127 extern "C" {
 128 static gboolean
 129 gtk_listbox_key_press_callback( GtkWidget *WXUNUSED(widget),
 130                                 GdkEventKey *gdk_event,
 131                                 wxListBox *listbox )
 132 {
 133     if ((gdk_event->keyval == GDK_Return) ||
 134         (gdk_event->keyval == GDK_ISO_Enter) ||
 135         (gdk_event->keyval == GDK_KP_Enter))
 136     {
 137         int index = -1;
 138         if (!listbox->HasMultipleSelection())
 139             index = listbox->GetSelection();
 140         else
 141         {
 142             wxArrayInt sels;
 143             if (listbox->GetSelections( sels ) < 1)
 144                 return FALSE;
 145             index = sels[0];
 146         }
 147
 148         if (index != wxNOT_FOUND)
 149         {
 150             listbox->GTKOnActivated(index);
 151
 152 //          wxMac and wxMSW always invoke default action
 153 //          if (!ret)
 154             {
 155                 // DClick not handled -> invoke default action
 156                 wxWindow *tlw = wxGetTopLevelParent( listbox );
 157                 if (tlw)
 158                 {
 159                     GtkWindow *gtk_window = GTK_WINDOW( tlw->GetHandle() );
 160                     if (gtk_window)
 161                         gtk_window_activate_default( gtk_window );
 162                 }
 163             }
 164
 165             // Always intercept, otherwise we'd get another dclick
 166             // event from row_activated
 167             return TRUE;
 168         }
 169     }
 170
 171     return FALSE;
 172 }
 173 }
 174
 175 //-----------------------------------------------------------------------------
 176 // GtkTreeEntry destruction (to destroy client data)
 177 //-----------------------------------------------------------------------------
 178
 179 extern "C" {
 180 static void gtk_tree_entry_destroy_cb(GtkTreeEntry* entry,
 181                                       wxListBox* listbox)
 182 {
 183     if (listbox->HasClientObjectData())
 184     {
 185         gpointer userdata = gtk_tree_entry_get_userdata(entry);
 186         if (userdata)
 187             delete (wxClientData *)userdata;
 188     }
 189 }
 190 }
 191
 192 //-----------------------------------------------------------------------------
 193 // Sorting callback (standard CmpNoCase return value)
 194 //-----------------------------------------------------------------------------
 195
 196 extern "C" {
 197 static gint gtk_listbox_sort_callback(GtkTreeModel * WXUNUSED(model),
 198                                       GtkTreeIter  *a,
 199                                       GtkTreeIter  *b,
 200                                       wxListBox    *listbox)
 201 {
 202     wxGtkObject<GtkTreeEntry> entry1(GetEntry(listbox->m_liststore, a, listbox));
 203     wxCHECK_MSG(entry1, 0, wxT("Could not get first entry"));
 204
 205     wxGtkObject<GtkTreeEntry> entry2(GetEntry(listbox->m_liststore, b, listbox));
 206     wxCHECK_MSG(entry2, 0, wxT("Could not get second entry"));
 207
 208     //We compare collate keys here instead of calling g_utf8_collate
 209     //as it is rather slow (and even the docs reccommend this)
 210     return strcmp(gtk_tree_entry_get_collate_key(entry1),
 211                   gtk_tree_entry_get_collate_key(entry2)) >= 0;
 212 }
 213 }
 214
 215 //-----------------------------------------------------------------------------
 216 // Searching callback (TRUE == not equal, FALSE == equal)
 217 //-----------------------------------------------------------------------------
 218
 219 extern "C" {
 220 static gboolean gtk_listbox_searchequal_callback(GtkTreeModel * WXUNUSED(model),
 221                                                  gint WXUNUSED(column),
 222                                                  const gchar* key,
 223                                                  GtkTreeIter* iter,
 224                                                  wxListBox* listbox)
 225 {
 226     wxGtkObject<GtkTreeEntry>
 227         entry(GetEntry(listbox->m_liststore, iter, listbox));
 228     wxCHECK_MSG(entry, 0, wxT("Could not get entry"));
 229
 230     wxGtkString keycollatekey(g_utf8_collate_key(key, -1));
 231
 232     return strcmp(keycollatekey, gtk_tree_entry_get_collate_key(entry)) != 0;
 233 }
 234 }
 235
 236 //-----------------------------------------------------------------------------
 237 // wxListBox
 238 //-----------------------------------------------------------------------------
 239
 240 IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControlWithItems)
 241
 242 // ----------------------------------------------------------------------------
 243 // construction
 244 // ----------------------------------------------------------------------------
 245
 246 void wxListBox::Init()
 247 {
 248     m_treeview = NULL;
 249 #if wxUSE_CHECKLISTBOX
 250     m_hasCheckBoxes = false;
 251 #endif // wxUSE_CHECKLISTBOX
 252 }
 253
 254 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 255                         const wxPoint &pos, const wxSize &size,
 256                         const wxArrayString& choices,
 257                         long style, const wxValidator& validator,
 258                         const wxString &name )
 259 {
 260     wxCArrayString chs(choices);
 261
 262     return Create( parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
 263                    style, validator, name );
 264 }
 265
 266 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 267                         const wxPoint &pos, const wxSize &size,
 268                         int n, const wxString choices[],
 269                         long style, const wxValidator& validator,
 270                         const wxString &name )
 271 {
 272     if (!PreCreation( parent, pos, size ) ||
 273         !CreateBase( parent, id, pos, size, style, validator, name ))
 274     {
 275         wxFAIL_MSG( wxT("wxListBox creation failed") );
 276         return false;
 277     }
 278
 279     m_widget = gtk_scrolled_window_new( NULL, NULL );
 280     g_object_ref(m_widget);
 281     if (style & wxLB_ALWAYS_SB)
 282     {
 283       gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 284         GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS );
 285     }
 286     else
 287     {
 288       gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 289         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 290     }
 291
 292
 293     GTKScrolledWindowSetBorder(m_widget, style);
 294
 295     m_treeview = GTK_TREE_VIEW( gtk_tree_view_new( ) );
 296
 297     //wxListBox doesn't have a header :)
 298     //NB: If enabled SetFirstItem doesn't work correctly
 299     gtk_tree_view_set_headers_visible(m_treeview, FALSE);
 300
 301 #if wxUSE_CHECKLISTBOX
 302     if(m_hasCheckBoxes)
 303         ((wxCheckListBox*)this)->DoCreateCheckList();
 304 #endif // wxUSE_CHECKLISTBOX
 305
 306     // Create the data column
 307     gtk_tree_view_insert_column_with_attributes(m_treeview, -1, "",
 308                                                 gtk_cell_renderer_text_new(),
 309                                                 "text",
 310                                                 WXLISTBOX_DATACOLUMN, NULL);
 311
 312     // Now create+set the model (GtkListStore) - first argument # of columns
 313 #if wxUSE_CHECKLISTBOX
 314     if(m_hasCheckBoxes)
 315         m_liststore = gtk_list_store_new(2, G_TYPE_BOOLEAN,
 316                                             GTK_TYPE_TREE_ENTRY);
 317     else
 318 #endif
 319         m_liststore = gtk_list_store_new(1, GTK_TYPE_TREE_ENTRY);
 320
 321     gtk_tree_view_set_model(m_treeview, GTK_TREE_MODEL(m_liststore));
 322
 323     g_object_unref (m_liststore); //free on treeview destruction
 324
 325     // Disable the pop-up textctrl that enables searching - note that
 326     // the docs specify that even if this disabled (which we are doing)
 327     // the user can still have it through the start-interactive-search
 328     // key binding...either way we want to provide a searchequal callback
 329     // NB: If this is enabled a doubleclick event (activate) gets sent
 330     //     on a successful search
 331     gtk_tree_view_set_search_column(m_treeview, WXLISTBOX_DATACOLUMN);
 332     gtk_tree_view_set_search_equal_func(m_treeview,
 333        (GtkTreeViewSearchEqualFunc) gtk_listbox_searchequal_callback,
 334                                         this,
 335                                         NULL);
 336
 337     gtk_tree_view_set_enable_search(m_treeview, FALSE);
 338
 339     GtkSelectionMode mode;
 340     // GTK_SELECTION_EXTENDED is a deprecated synonym for GTK_SELECTION_MULTIPLE
 341     if ( style & (wxLB_MULTIPLE | wxLB_EXTENDED) )
 342     {
 343         mode = GTK_SELECTION_MULTIPLE;
 344     }
 345     else // no multi-selection flags specified
 346     {
 347         m_windowStyle |= wxLB_SINGLE;
 348
 349         // Notice that we must use BROWSE and not GTK_SELECTION_SINGLE because
 350         // the latter allows to not select any items at all while a single
 351         // selection listbox is supposed to always have a selection (at least
 352         // once the user selected something, it might not have any initially).
 353         mode = GTK_SELECTION_BROWSE;
 354     }
 355
 356     GtkTreeSelection* selection = gtk_tree_view_get_selection( m_treeview );
 357     gtk_tree_selection_set_mode( selection, mode );
 358
 359     // Handle sortable stuff
 360     if(HasFlag(wxLB_SORT))
 361     {
 362         // Setup sorting in ascending (wx) order
 363         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(m_liststore),
 364                                              WXLISTBOX_DATACOLUMN,
 365                                              GTK_SORT_ASCENDING);
 366
 367         // Set the sort callback
 368         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(m_liststore),
 369                                         WXLISTBOX_DATACOLUMN,
 370                    (GtkTreeIterCompareFunc) gtk_listbox_sort_callback,
 371                                         this, //userdata
 372                                         NULL //"destroy notifier"
 373                                        );
 374     }
 375
 376
 377     gtk_container_add (GTK_CONTAINER (m_widget), GTK_WIDGET(m_treeview) );
 378
 379     gtk_widget_show( GTK_WIDGET(m_treeview) );
 380     m_focusWidget = GTK_WIDGET(m_treeview);
 381
 382     Append(n, choices); // insert initial items
 383
 384     // generate dclick events
 385     g_signal_connect_after(m_treeview, "row-activated",
 386                      G_CALLBACK(gtk_listbox_row_activated_callback), this);
 387
 388     // for intercepting dclick generation by <ENTER>
 389     g_signal_connect (m_treeview, "key_press_event",
 390                       G_CALLBACK (gtk_listbox_key_press_callback),
 391                            this);
 392     m_parent->DoAddChild( this );
 393
 394     PostCreation(size);
 395     SetInitialSize(size); // need this too because this is a wxControlWithItems
 396
 397     g_signal_connect_after (selection, "changed",
 398                             G_CALLBACK (gtk_listitem_changed_callback), this);
 399
 400     return true;
 401 }
 402
 403 wxListBox::~wxListBox()
 404 {
 405     m_hasVMT = false;
 406
 407     Clear();
 408 }
 409
 410 void wxListBox::GTKDisableEvents()
 411 {
 412     GtkTreeSelection* selection = gtk_tree_view_get_selection( m_treeview );
 413
 414     g_signal_handlers_block_by_func(selection,
 415                                 (gpointer) gtk_listitem_changed_callback, this);
 416 }
 417
 418 void wxListBox::GTKEnableEvents()
 419 {
 420     GtkTreeSelection* selection = gtk_tree_view_get_selection( m_treeview );
 421
 422     g_signal_handlers_unblock_by_func(selection,
 423                                 (gpointer) gtk_listitem_changed_callback, this);
 424
 425     UpdateOldSelections();
 426 }
 427
 428
 429 void wxListBox::Update()
 430 {
 431     wxWindow::Update();
 432
 433     if (m_treeview)
 434         gdk_window_process_updates(GTK_WIDGET(m_treeview)->window, TRUE);
 435 }
 436
 437 // ----------------------------------------------------------------------------
 438 // adding items
 439 // ----------------------------------------------------------------------------
 440
 441 int wxListBox::DoInsertItems(const wxArrayStringsAdapter& items,
 442                              unsigned int pos,
 443                              void **clientData,
 444                              wxClientDataType type)
 445 {
 446     wxCHECK_MSG( m_treeview != NULL, wxNOT_FOUND, wxT("invalid listbox") );
 447
 448     InvalidateBestSize();
 449
 450     GtkTreeIter* pIter = NULL; // append by default
 451     GtkTreeIter iter;
 452     if ( pos != GetCount() )
 453     {
 454         wxCHECK_MSG( GTKGetIteratorFor(pos, &iter), wxNOT_FOUND,
 455                      wxT("internal wxListBox error in insertion") );
 456
 457         pIter = &iter;
 458     }
 459
 460     const unsigned int numItems = items.GetCount();
 461     for ( unsigned int i = 0; i < numItems; ++i )
 462     {
 463         wxGtkObject<GtkTreeEntry> entry(gtk_tree_entry_new());
 464         gtk_tree_entry_set_label(entry, wxGTK_CONV(items[i]));
 465         gtk_tree_entry_set_destroy_func(entry,
 466                 (GtkTreeEntryDestroy)gtk_tree_entry_destroy_cb,
 467                             this);
 468
 469         GtkTreeIter itercur;
 470         gtk_list_store_insert_before(m_liststore, &itercur, pIter);
 471
 472         GTKSetItem(itercur, entry);
 473
 474         if (clientData)
 475             AssignNewItemClientData(GTKGetIndexFor(itercur), clientData, i, type);
 476     }
 477
 478     UpdateOldSelections();
 479
 480     return pos + numItems - 1;
 481 }
 482
 483 // ----------------------------------------------------------------------------
 484 // deleting items
 485 // ----------------------------------------------------------------------------
 486
 487 void wxListBox::DoClear()
 488 {
 489     wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
 490
 491     GTKDisableEvents(); // just in case
 492
 493     InvalidateBestSize();
 494
 495     gtk_list_store_clear( m_liststore ); /* well, THAT was easy :) */
 496
 497     GTKEnableEvents();
 498 }
 499
 500 void wxListBox::DoDeleteOneItem(unsigned int n)
 501 {
 502     wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
 503
 504     InvalidateBestSize();
 505
 506     GTKDisableEvents(); // just in case
 507
 508     GtkTreeIter iter;
 509     wxCHECK_RET( GTKGetIteratorFor(n, &iter), wxT("wrong listbox index") );
 510
 511     // this returns false if iter is invalid (e.g. deleting item at end) but
 512     // since we don't use iter, we ignore the return value
 513     gtk_list_store_remove(m_liststore, &iter);
 514
 515     GTKEnableEvents();
 516 }
 517
 518 // ----------------------------------------------------------------------------
 519 // helper functions for working with iterators
 520 // ----------------------------------------------------------------------------
 521
 522 bool wxListBox::GTKGetIteratorFor(unsigned pos, GtkTreeIter *iter) const
 523 {
 524     if ( !gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(m_liststore),
 525                                         iter, NULL, pos) )
 526     {
 527         wxLogDebug(wxT("gtk_tree_model_iter_nth_child(%u) failed"), pos);
 528         return false;
 529     }
 530
 531     return true;
 532 }
 533
 534 int wxListBox::GTKGetIndexFor(GtkTreeIter& iter) const
 535 {
 536     GtkTreePath *path =
 537         gtk_tree_model_get_path(GTK_TREE_MODEL(m_liststore), &iter);
 538
 539     gint* pIntPath = gtk_tree_path_get_indices(path);
 540
 541     wxCHECK_MSG( pIntPath, wxNOT_FOUND, wxT("failed to get iterator path") );
 542
 543     int idx = pIntPath[0];
 544
 545     gtk_tree_path_free( path );
 546
 547     return idx;
 548 }
 549
 550 // get GtkTreeEntry from position (note: you need to g_unref it if valid)
 551 GtkTreeEntry *wxListBox::GTKGetEntry(unsigned n) const
 552 {
 553     GtkTreeIter iter;
 554     if ( !GTKGetIteratorFor(n, &iter) )
 555         return NULL;
 556
 557     return GetEntry(m_liststore, &iter, this);
 558 }
 559
 560 void wxListBox::GTKSetItem(GtkTreeIter& iter, const GtkTreeEntry *entry)
 561 {
 562 #if wxUSE_CHECKLISTBOX
 563     if ( m_hasCheckBoxes )
 564     {
 565         gtk_list_store_set(m_liststore, &iter,
 566                            0, FALSE, // FALSE == not toggled
 567                            1, entry,
 568                            -1);
 569     }
 570     else
 571 #endif // wxUSE_CHECKLISTBOX
 572     {
 573         gtk_list_store_set(m_liststore, &iter, 0, entry, -1);
 574     }
 575 }
 576
 577 // ----------------------------------------------------------------------------
 578 // client data
 579 // ----------------------------------------------------------------------------
 580
 581 void* wxListBox::DoGetItemClientData(unsigned int n) const
 582 {
 583     wxCHECK_MSG( IsValid(n), NULL,
 584                  wxT("Invalid index passed to GetItemClientData") );
 585
 586     wxGtkObject<GtkTreeEntry> entry(GTKGetEntry(n));
 587     wxCHECK_MSG(entry, NULL, wxT("could not get entry"));
 588
 589     return gtk_tree_entry_get_userdata( entry );
 590 }
 591
 592 void wxListBox::DoSetItemClientData(unsigned int n, void* clientData)
 593 {
 594     wxCHECK_RET( IsValid(n),
 595                  wxT("Invalid index passed to SetItemClientData") );
 596
 597     wxGtkObject<GtkTreeEntry> entry(GTKGetEntry(n));
 598     wxCHECK_RET(entry, wxT("could not get entry"));
 599
 600     gtk_tree_entry_set_userdata( entry, clientData );
 601 }
 602
 603 // ----------------------------------------------------------------------------
 604 // string list access
 605 // ----------------------------------------------------------------------------
 606
 607 void wxListBox::SetString(unsigned int n, const wxString& label)
 608 {
 609     wxCHECK_RET( IsValid(n), wxT("invalid index in wxListBox::SetString") );
 610     wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
 611
 612     GtkTreeEntry* entry = GTKGetEntry(n);
 613     wxCHECK_RET( entry, wxT("wrong listbox index") );
 614
 615     // update the item itself
 616     gtk_tree_entry_set_label(entry, wxGTK_CONV(label));
 617
 618     // and update the model which will refresh the tree too
 619     GtkTreeIter iter;
 620     wxCHECK_RET( GTKGetIteratorFor(n, &iter), wxT("failed to get iterator") );
 621
 622     // FIXME: this resets the checked status of a wxCheckListBox item
 623
 624     GTKSetItem(iter, entry);
 625 }
 626
 627 wxString wxListBox::GetString(unsigned int n) const
 628 {
 629     wxCHECK_MSG( m_treeview != NULL, wxEmptyString, wxT("invalid listbox") );
 630
 631     wxGtkObject<GtkTreeEntry> entry(GTKGetEntry(n));
 632     wxCHECK_MSG( entry, wxEmptyString, wxT("wrong listbox index") );
 633
 634     return wxGTK_CONV_BACK( gtk_tree_entry_get_label(entry) );
 635 }
 636
 637 unsigned int wxListBox::GetCount() const
 638 {
 639     wxCHECK_MSG( m_treeview != NULL, 0, wxT("invalid listbox") );
 640
 641     return (unsigned int)gtk_tree_model_iter_n_children(GTK_TREE_MODEL(m_liststore), NULL);
 642 }
 643
 644 int wxListBox::FindString( const wxString &item, bool bCase ) const
 645 {
 646     wxCHECK_MSG( m_treeview != NULL, wxNOT_FOUND, wxT("invalid listbox") );
 647
 648     //Sort of hackish - maybe there is a faster way
 649     unsigned int nCount = wxListBox::GetCount();
 650
 651     for(unsigned int i = 0; i < nCount; ++i)
 652     {
 653         if( item.IsSameAs( wxListBox::GetString(i), bCase ) )
 654             return (int)i;
 655     }
 656
 657
 658     // it's not an error if the string is not found -> no wxCHECK
 659     return wxNOT_FOUND;
 660 }
 661
 662 // ----------------------------------------------------------------------------
 663 // selection
 664 // ----------------------------------------------------------------------------
 665
 666 void wxListBox::GTKOnActivated(int item)
 667 {
 668     SendEvent(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, item, IsSelected(item));
 669 }
 670
 671 void wxListBox::GTKOnSelectionChanged()
 672 {
 673     if ( HasFlag(wxLB_MULTIPLE | wxLB_EXTENDED) )
 674     {
 675         CalcAndSendEvent();
 676     }
 677     else // single selection
 678     {
 679         const int item = GetSelection();
 680         if ( DoChangeSingleSelection(item) )
 681             SendEvent(wxEVT_COMMAND_LISTBOX_SELECTED, item, true);
 682     }
 683 }
 684
 685 int wxListBox::GetSelection() const
 686 {
 687     wxCHECK_MSG( m_treeview != NULL, wxNOT_FOUND, wxT("invalid listbox"));
 688     wxCHECK_MSG( HasFlag(wxLB_SINGLE), wxNOT_FOUND,
 689                     wxT("must be single selection listbox"));
 690
 691     GtkTreeIter iter;
 692     GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
 693
 694     // only works on single-sel
 695     if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
 696         return wxNOT_FOUND;
 697
 698     return GTKGetIndexFor(iter);
 699 }
 700
 701 int wxListBox::GetSelections( wxArrayInt& aSelections ) const
 702 {
 703     wxCHECK_MSG( m_treeview != NULL, wxNOT_FOUND, wxT("invalid listbox") );
 704
 705     aSelections.Empty();
 706
 707     int i = 0;
 708     GtkTreeIter iter;
 709     GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
 710
 711     if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(m_liststore), &iter))
 712     { //gtk_tree_selection_get_selected_rows is GTK 2.2+ so iter instead
 713         do
 714         {
 715             if (gtk_tree_selection_iter_is_selected(selection, &iter))
 716                 aSelections.Add(i);
 717
 718             i++;
 719         } while(gtk_tree_model_iter_next(GTK_TREE_MODEL(m_liststore), &iter));
 720     }
 721
 722     return aSelections.GetCount();
 723 }
 724
 725 bool wxListBox::IsSelected( int n ) const
 726 {
 727     wxCHECK_MSG( m_treeview != NULL, false, wxT("invalid listbox") );
 728
 729     GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
 730
 731     GtkTreeIter iter;
 732     wxCHECK_MSG( GTKGetIteratorFor(n, &iter), false, wxT("Invalid index") );
 733
 734     return gtk_tree_selection_iter_is_selected(selection, &iter);
 735 }
 736
 737 void wxListBox::DoSetSelection( int n, bool select )
 738 {
 739     wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
 740
 741     GTKDisableEvents();
 742
 743     GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
 744
 745     // passing -1 to SetSelection() is documented to deselect all items
 746     if ( n == wxNOT_FOUND )
 747     {
 748         gtk_tree_selection_unselect_all(selection);
 749         GTKEnableEvents();
 750         return;
 751     }
 752
 753     wxCHECK_RET( IsValid(n), wxT("invalid index in wxListBox::SetSelection") );
 754
 755
 756     GtkTreeIter iter;
 757     wxCHECK_RET( GTKGetIteratorFor(n, &iter), wxT("Invalid index") );
 758
 759     if (select)
 760         gtk_tree_selection_select_iter(selection, &iter);
 761     else
 762         gtk_tree_selection_unselect_iter(selection, &iter);
 763
 764     GtkTreePath* path = gtk_tree_model_get_path(
 765                         GTK_TREE_MODEL(m_liststore), &iter);
 766
 767     gtk_tree_view_scroll_to_cell(m_treeview, path, NULL, FALSE, 0.0f, 0.0f);
 768
 769     gtk_tree_path_free(path);
 770
 771     GTKEnableEvents();
 772 }
 773
 774 void wxListBox::DoScrollToCell(int n, float alignY, float alignX)
 775 {
 776     wxCHECK_RET( m_treeview, wxT("invalid listbox") );
 777     wxCHECK_RET( IsValid(n), wxT("invalid index"));
 778
 779     //RN: I have no idea why this line is needed...
 780     if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (m_treeview))
 781         return;
 782
 783     GtkTreeIter iter;
 784     if ( !GTKGetIteratorFor(n, &iter) )
 785         return;
 786
 787     GtkTreePath* path = gtk_tree_model_get_path(
 788                             GTK_TREE_MODEL(m_liststore), &iter);
 789
 790     // Scroll to the desired cell (0.0 == topleft alignment)
 791     gtk_tree_view_scroll_to_cell(m_treeview, path, NULL,
 792                                  TRUE, alignY, alignX);
 793
 794     gtk_tree_path_free(path);
 795 }
 796
 797 void wxListBox::DoSetFirstItem(int n)
 798 {
 799     DoScrollToCell(n, 0, 0);
 800 }
 801
 802 void wxListBox::EnsureVisible(int n)
 803 {
 804     DoScrollToCell(n, 0.5, 0);
 805 }
 806
 807 // ----------------------------------------------------------------------------
 808 // hittest
 809 // ----------------------------------------------------------------------------
 810
 811 int wxListBox::DoListHitTest(const wxPoint& point) const
 812 {
 813     // gtk_tree_view_get_path_at_pos() also gets items that are not visible and
 814     // we only want visible items we need to check for it manually here
 815     if ( !GetClientRect().Contains(point) )
 816         return wxNOT_FOUND;
 817
 818     // need to translate from master window since it is in client coords
 819     gint binx, biny;
 820     gdk_window_get_geometry(gtk_tree_view_get_bin_window(m_treeview),
 821                             &binx, &biny, NULL, NULL, NULL);
 822
 823     GtkTreePath* path;
 824     if ( !gtk_tree_view_get_path_at_pos
 825           (
 826             m_treeview,
 827             point.x - binx,
 828             point.y - biny,
 829             &path,
 830             NULL,   // [out] column (always 0 here)
 831             NULL,   // [out] x-coord relative to the cell (not interested)
 832             NULL    // [out] y-coord relative to the cell
 833           ) )
 834     {
 835         return wxNOT_FOUND;
 836     }
 837
 838     int index = gtk_tree_path_get_indices(path)[0];
 839     gtk_tree_path_free(path);
 840
 841     return index;
 842 }
 843
 844 // ----------------------------------------------------------------------------
 845 // helpers
 846 // ----------------------------------------------------------------------------
 847
 848 #if wxUSE_TOOLTIPS
 849 void wxListBox::GTKApplyToolTip( GtkTooltips *tips, const gchar *tip )
 850 {
 851     // RN: Is this needed anymore?
 852     gtk_tooltips_set_tip( tips, GTK_WIDGET( m_treeview ), tip, NULL );
 853 }
 854 #endif // wxUSE_TOOLTIPS
 855
 856 GtkWidget *wxListBox::GetConnectWidget()
 857 {
 858     // the correct widget for listbox events (such as mouse clicks for example)
 859     // is m_treeview, not the parent scrolled window
 860     return GTK_WIDGET(m_treeview);
 861 }
 862
 863 GdkWindow *wxListBox::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
 864 {
 865     return gtk_tree_view_get_bin_window(m_treeview);
 866 }
 867
 868 void wxListBox::DoApplyWidgetStyle(GtkRcStyle *style)
 869 {
 870     if (m_hasBgCol && m_backgroundColour.Ok())
 871     {
 872         GdkWindow *window = gtk_tree_view_get_bin_window(m_treeview);
 873         if (window)
 874         {
 875             m_backgroundColour.CalcPixel( gdk_drawable_get_colormap( window ) );
 876             gdk_window_set_background( window, m_backgroundColour.GetColor() );
 877             gdk_window_clear( window );
 878         }
 879     }
 880
 881     gtk_widget_modify_style( GTK_WIDGET(m_treeview), style );
 882 }
 883
 884 wxSize wxListBox::DoGetBestSize() const
 885 {
 886     wxCHECK_MSG(m_treeview, wxDefaultSize, wxT("invalid tree view"));
 887
 888     // Start with a minimum size that's not too small
 889     int cx, cy;
 890     GetTextExtent( wxT("X"), &cx, &cy);
 891     int lbWidth = 0;
 892     int lbHeight = 10;
 893
 894     // Find the widest string.
 895     const unsigned int count = GetCount();
 896     if ( count )
 897     {
 898         int wLine;
 899         for ( unsigned int i = 0; i < count; i++ )
 900         {
 901             GetTextExtent(GetString(i), &wLine, NULL);
 902             if ( wLine > lbWidth )
 903                 lbWidth = wLine;
 904         }
 905     }
 906
 907     lbWidth += 3 * cx;
 908
 909     // And just a bit more for the checkbox if present and then some
 910     // (these are rough guesses)
 911 #if wxUSE_CHECKLISTBOX
 912     if ( m_hasCheckBoxes )
 913     {
 914         lbWidth += 35;
 915         cy = cy > 25 ? cy : 25; // rough height of checkbox
 916     }
 917 #endif
 918
 919     // Add room for the scrollbar
 920     lbWidth += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
 921
 922     // Don't make the listbox too tall but don't make it too small neither
 923     lbHeight = (cy+4) * wxMin(wxMax(count, 3), 10);
 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