]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/listbox.cpp
Explicitly set "C" locale for the tests using decimal point.
[wxWidgets.git] / src / gtk / listbox.cpp
index c8d292fb4ddc519e9e9e5429624879f999a9ebd1..9a406184bd1db7f34d1be1681ceabba7b540514c 100644 (file)
 #endif
 
 #include "wx/gtk/private.h"
+#include "wx/gtk/private/object.h"
 #include "wx/gtk/treeentry_gtk.h"
 
 #if wxUSE_TOOLTIPS
     #include "wx/tooltip.h"
 #endif
 
-#include <gdk/gdk.h>
 #include <gtk/gtk.h>
 #include <gdk/gdkkeysyms.h>
 
@@ -49,148 +49,75 @@ extern bool           g_blockEventsOnScroll;
 // Macro to tell which row the strings are in (1 if native checklist, 0 if not)
 //-----------------------------------------------------------------------------
 
-#if wxUSE_CHECKLISTBOX && wxUSE_NATIVEGTKCHECKLIST
+#if wxUSE_CHECKLISTBOX
 #   define WXLISTBOX_DATACOLUMN_ARG(x)  (x->m_hasCheckBoxes ? 1 : 0)
 #else
 #   define WXLISTBOX_DATACOLUMN_ARG(x)  (0)
-#endif // wxUSE_CHECKLISTBOX && wxUSE_NATIVEGTKCHECKLIST
+#endif // wxUSE_CHECKLISTBOX
 
 #define WXLISTBOX_DATACOLUMN    WXLISTBOX_DATACOLUMN_ARG(this)
 
+// ----------------------------------------------------------------------------
+// helper functions
+// ----------------------------------------------------------------------------
+
+namespace
+{
+
+// Return the entry for the given listbox item.
+//
+// Return value must be released by caller if non-NULL.
+GtkTreeEntry *
+GetEntry(GtkListStore *store, GtkTreeIter *iter, const wxListBox *listbox)
+{
+    GtkTreeEntry* entry;
+    gtk_tree_model_get(GTK_TREE_MODEL(store),
+                       iter,
+                       WXLISTBOX_DATACOLUMN_ARG(listbox),
+                       &entry,
+                       -1);
+
+    return entry;
+}
+
+} // anonymous namespace
+
 //-----------------------------------------------------------------------------
 // "row-activated"
 //-----------------------------------------------------------------------------
 
 extern "C" {
 static void
-gtk_listbox_row_activated_callback(GtkTreeView        *treeview,
+gtk_listbox_row_activated_callback(GtkTreeView        * WXUNUSED(treeview),
                                    GtkTreePath        *path,
-                                   GtkTreeViewColumn  *col,
+                                   GtkTreeViewColumn  * WXUNUSED(col),
                                    wxListBox          *listbox)
 {
-    if (g_isIdle) wxapp_install_idle_handler();
-
     if (g_blockEventsOnDrag) return;
     if (g_blockEventsOnScroll) return;
 
-    if (!listbox->m_hasVMT) return;
-
-    //Notes:
-    //1) This is triggered by either a double-click or a space press
-    //2) We handle both here because
-    //2a) in the case of a space/keypress we can't really know
-    //    which item was pressed on because we can't get coords
-    //    from a keyevent
-    //2b) It seems more correct
+    // This is triggered by either a double-click or a space press
 
     int sel = gtk_tree_path_get_indices(path)[0];
 
-    if(!listbox->m_spacePressed)
-    {
-        //Assume it was double-click
-        wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
-        event.SetEventObject( listbox );
-
-        if(listbox->IsSelected(sel))
-        {
-            GtkTreeEntry* entry = listbox->GtkGetEntry(sel);
-
-            if(entry)
-            {
-                event.SetInt(sel);
-                event.SetString(wxConvUTF8.cMB2WX(gtk_tree_entry_get_label(entry)));
-
-                if ( listbox->HasClientObjectData() )
-                    event.SetClientObject(
-                    (wxClientData*) gtk_tree_entry_get_userdata(entry) );
-                else if ( listbox->HasClientUntypedData() )
-                    event.SetClientData( gtk_tree_entry_get_userdata(entry) );
-                g_object_unref (entry);
-            }
-            else
-            {
-                wxLogSysError(wxT("Internal error - could not get entry for double-click"));
-                event.SetInt(-1);
-            }
-        }
-        else
-            event.SetInt(-1);
-
-        listbox->GetEventHandler()->ProcessEvent( event );
-    }
-    else
-    {
-        listbox->m_spacePressed = false; //don't block selection behaviour anymore
-
-        //Space was pressed - toggle the appropriate checkbox and the selection
-#if wxUSE_CHECKLISTBOX //Do it for both native and non-native
-        if (listbox->m_hasCheckBoxes)
-        {
-            wxCheckListBox *clb = (wxCheckListBox *)listbox;
-
-            clb->Check( sel, !clb->IsChecked(sel) );
-
-            wxCommandEvent new_event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
-            new_event.SetEventObject( listbox );
-            new_event.SetInt( sel );
-            listbox->GetEventHandler()->ProcessEvent( new_event );
-        }
-#endif // wxUSE_CHECKLISTBOX
-
-        if(  (((listbox->GetWindowStyleFlag() & wxLB_MULTIPLE) != 0) ||
-              ((listbox->GetWindowStyleFlag() & wxLB_EXTENDED) != 0)) )
-        {
-            //toggle the selection + send event
-            listbox->GtkSetSelection(sel, !listbox->IsSelected( sel ), false);
-        }
-    }
+    listbox->GTKOnActivated(sel);
 }
 }
 
 //-----------------------------------------------------------------------------
-// "button_press_event"
+// "changed"
 //-----------------------------------------------------------------------------
 
 extern "C" {
-static gint
-gtk_listbox_button_press_callback( GtkWidget *widget,
-                                   GdkEventButton *gdk_event,
-                                   wxListBox *listbox )
+static void
+gtk_listitem_changed_callback(GtkTreeSelection * WXUNUSED(selection),
+                              wxListBox *listbox )
 {
-    // don't need to install idle handler, its done from "event" signal
-
-    if (g_blockEventsOnDrag) return FALSE;
-    if (g_blockEventsOnScroll) return FALSE;
-
-    if (!listbox->m_hasVMT) return FALSE;
-
-    //Just to be on the safe side - it should be unset in the activate callback
-    //but we don't want any obscure bugs if it doesn't get called somehow...
-    listbox->m_spacePressed = false;
-
-#if wxUSE_CHECKLISTBOX && !wxUSE_NATIVEGTKCHECKLIST
-    if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
-    {
-        GtkTreePath* path;
-        gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget),
-                                  (gint)gdk_event->x, (gint)gdk_event->y,
-                                  &path, NULL, NULL, NULL);
-        int sel = gtk_tree_path_get_indices(path)[0];
-        gtk_tree_path_free(path);
-
-        wxCheckListBox *clb = (wxCheckListBox *)listbox;
-
-        clb->Check( sel, !clb->IsChecked(sel) );
-
-        wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
-        event.SetEventObject( listbox );
-        event.SetInt( sel );
-        listbox->GetEventHandler()->ProcessEvent( event );
-    }
-#endif // wxUSE_CHECKLISTBOX && !wxUSE_NATIVEGTKCHECKLIST
+    if (g_blockEventsOnDrag) return;
 
-    return FALSE;
+    listbox->GTKOnSelectionChanged();
 }
+
 }
 
 //-----------------------------------------------------------------------------
@@ -198,126 +125,50 @@ gtk_listbox_button_press_callback( GtkWidget *widget,
 //-----------------------------------------------------------------------------
 
 extern "C" {
-static gint
-gtk_listbox_key_press_callback( GtkWidget *widget,
+static gboolean
+gtk_listbox_key_press_callback( GtkWidget *WXUNUSED(widget),
                                 GdkEventKey *gdk_event,
                                 wxListBox *listbox )
 {
-    // don't need to install idle handler, its done from "event" signal
-
-    if (g_blockEventsOnDrag) return FALSE;
-
-
-    bool ret = false;
-
-    if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
+    if ((gdk_event->keyval == GDK_Return) ||
+        (gdk_event->keyval == GDK_ISO_Enter) ||
+        (gdk_event->keyval == GDK_KP_Enter))
     {
-        wxNavigationKeyEvent new_event;
-        /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
-        new_event.SetDirection( (gdk_event->keyval == GDK_Tab) );
-        /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
-        new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
-        new_event.SetCurrentFocus( listbox );
-        ret = listbox->GetEventHandler()->ProcessEvent( new_event );
-    }
-
-    if ((gdk_event->keyval == GDK_Return) && (!ret))
-    {
-        // eat return in all modes (RN:WHY?)
-        ret = true;
-    }
-
-    // Check or uncheck item with SPACE
-    if (gdk_event->keyval == ' ')
+        int index = -1;
+        if (!listbox->HasMultipleSelection())
+            index = listbox->GetSelection();
+        else
         {
-        //In the keyevent we don't know the index of the item
-        //and the activated event gets called anyway...
-        //
-        //Also, activating with the space causes the treeview to
-        //unselect all the items and then select the item in question
-        //wx's behaviour is to just toggle the item's selection state
-        //and leave the others alone
-        listbox->m_spacePressed = true;
-    }
-
-    return ret;
-}
-}
-
-//-----------------------------------------------------------------------------
-// "select" and "deselect"
-//-----------------------------------------------------------------------------
-
-extern "C" {
-static gboolean gtk_listitem_select_cb( GtkTreeSelection* selection,
-                                        GtkTreeModel* model,
-                                        GtkTreePath* path,
-                                        gboolean is_selected,
-                                        wxListBox *listbox )
-{
-    if (g_isIdle) wxapp_install_idle_handler();
-
-    if (!listbox->m_hasVMT) return TRUE;
-    if (g_blockEventsOnDrag) return TRUE;
-
-    if (listbox->m_spacePressed) return FALSE; //see keyevent callback
-    if (listbox->m_blockEvent) return TRUE;
-
-    // NB: wxdocs explicitly say that this event only gets sent when
-    // something is actually selected, plus the controls example
-    // assumes so and passes -1 to the dogetclientdata funcs if not
-
-    // OK, so basically we need to do a bit of a run-around here as
-    // 1) is_selected says whether the item(s?) are CURRENTLY selected -
-    //    i.e. if is_selected is FALSE then the item is going to be
-    //    selected right now!
-    // 2) However, since it is not already selected and the user
-    //    will expect it to be we need to manually select it and
-    //    return FALSE telling GTK we handled the selection
-    if (is_selected) return TRUE;
-
-    int nIndex = gtk_tree_path_get_indices(path)[0];
-    GtkTreeEntry* entry = listbox->GtkGetEntry(nIndex);
-
-    if(entry)
-    {
-        //Now, as mentioned above, we manually select the row that is/was going
-        //to be selected anyway by GTK
-        listbox->m_blockEvent = true; //if we don't block events we will lock the
-                                      //app due to recursion!!
-
-        GtkTreeSelection* selection =
-            gtk_tree_view_get_selection(listbox->m_treeview);
-        GtkTreeIter iter;
-        gtk_tree_model_get_iter(GTK_TREE_MODEL(listbox->m_liststore), &iter, path);
-        gtk_tree_selection_select_iter(selection, &iter);
-
-        listbox->m_blockEvent = false;
-
-        //Finally, send the wx event
-        wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
-        event.SetEventObject( listbox );
-
-        // indicate whether this is a selection or a deselection
-        event.SetExtraLong( 1 );
-
-        event.SetInt(nIndex);
-        event.SetString(wxConvUTF8.cMB2WX(gtk_tree_entry_get_label(entry)));
+            wxArrayInt sels;
+            if (listbox->GetSelections( sels ) < 1)
+                return FALSE;
+            index = sels[0];
+        }
 
-        if ( listbox->HasClientObjectData() )
-            event.SetClientObject(
-                    (wxClientData*) gtk_tree_entry_get_userdata(entry)
-                                 );
-        else if ( listbox->HasClientUntypedData() )
-            event.SetClientData( gtk_tree_entry_get_userdata(entry) );
+        if (index != wxNOT_FOUND)
+        {
+            listbox->GTKOnActivated(index);
 
-        listbox->GetEventHandler()->ProcessEvent( event );
+//          wxMac and wxMSW always invoke default action
+//          if (!ret)
+            {
+                // DClick not handled -> invoke default action
+                wxWindow *tlw = wxGetTopLevelParent( listbox );
+                if (tlw)
+                {
+                    GtkWindow *gtk_window = GTK_WINDOW( tlw->GetHandle() );
+                    if (gtk_window)
+                        gtk_window_activate_default( gtk_window );
+                }
+            }
 
-        g_object_unref (entry);
-        return FALSE;  //We handled it/did it manually
+            // Always intercept, otherwise we'd get another dclick
+            // event from row_activated
+            return TRUE;
+        }
     }
 
-    return TRUE; //allow selection to change
+    return FALSE;
 }
 }
 
@@ -329,10 +180,10 @@ extern "C" {
 static void gtk_tree_entry_destroy_cb(GtkTreeEntry* entry,
                                       wxListBox* listbox)
 {
-    if(listbox->HasClientObjectData())
+    if (listbox->HasClientObjectData())
     {
         gpointer userdata = gtk_tree_entry_get_userdata(entry);
-        if(userdata)
+        if (userdata)
             delete (wxClientData *)userdata;
     }
 }
@@ -343,34 +194,21 @@ static void gtk_tree_entry_destroy_cb(GtkTreeEntry* entry,
 //-----------------------------------------------------------------------------
 
 extern "C" {
-static gint gtk_listbox_sort_callback(GtkTreeModel *model,
+static gint gtk_listbox_sort_callback(GtkTreeModel * WXUNUSED(model),
                                       GtkTreeIter  *a,
                                       GtkTreeIter  *b,
                                       wxListBox    *listbox)
 {
-    GtkTreeEntry* entry;
-    GtkTreeEntry* entry2;
-
-    gtk_tree_model_get(GTK_TREE_MODEL(listbox->m_liststore),
-                             a,
-                             WXLISTBOX_DATACOLUMN_ARG(listbox),
-                             &entry, -1);
-    gtk_tree_model_get(GTK_TREE_MODEL(listbox->m_liststore),
-                             b,
-                             WXLISTBOX_DATACOLUMN_ARG(listbox),
-                             &entry2, -1);
-    wxCHECK_MSG(entry, 0, wxT("Could not get entry"));
-    wxCHECK_MSG(entry2, 0, wxT("Could not get entry2"));
+    wxGtkObject<GtkTreeEntry> entry1(GetEntry(listbox->m_liststore, a, listbox));
+    wxCHECK_MSG(entry1, 0, wxT("Could not get first entry"));
+
+    wxGtkObject<GtkTreeEntry> entry2(GetEntry(listbox->m_liststore, b, listbox));
+    wxCHECK_MSG(entry2, 0, wxT("Could not get second entry"));
 
     //We compare collate keys here instead of calling g_utf8_collate
     //as it is rather slow (and even the docs reccommend this)
-    int ret = strcasecmp(gtk_tree_entry_get_collate_key(entry),
-                         gtk_tree_entry_get_collate_key(entry2));
-
-    g_object_unref (entry);
-    g_object_unref (entry2);
-
-    return ret;
+    return strcmp(gtk_tree_entry_get_collate_key(entry1),
+                  gtk_tree_entry_get_collate_key(entry2)) >= 0;
 }
 }
 
@@ -379,27 +217,19 @@ static gint gtk_listbox_sort_callback(GtkTreeModel *model,
 //-----------------------------------------------------------------------------
 
 extern "C" {
-static gboolean gtk_listbox_searchequal_callback(GtkTreeModel* model,
-                                                 gint column,
+static gboolean gtk_listbox_searchequal_callback(GtkTreeModel * WXUNUSED(model),
+                                                 gint WXUNUSED(column),
                                                  const gchar* key,
                                                  GtkTreeIter* iter,
                                                  wxListBox* listbox)
 {
-    GtkTreeEntry* entry;
-
-    gtk_tree_model_get(GTK_TREE_MODEL(listbox->m_liststore),
-                             iter,
-                             WXLISTBOX_DATACOLUMN_ARG(listbox),
-                             &entry, -1);
+    wxGtkObject<GtkTreeEntry>
+        entry(GetEntry(listbox->m_liststore, iter, listbox));
     wxCHECK_MSG(entry, 0, wxT("Could not get entry"));
-    wxGtkString keycollatekey(g_utf8_collate_key(key, -1));
-
-    int ret = strcasecmp(keycollatekey,
-                         gtk_tree_entry_get_collate_key(entry));
 
-    g_object_unref (entry);
+    wxGtkString keycollatekey(g_utf8_collate_key(key, -1));
 
-    return ret != 0;
+    return strcmp(keycollatekey, gtk_tree_entry_get_collate_key(entry)) != 0;
 }
 }
 
@@ -407,19 +237,16 @@ static gboolean gtk_listbox_searchequal_callback(GtkTreeModel* model,
 // wxListBox
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
-
 // ----------------------------------------------------------------------------
 // construction
 // ----------------------------------------------------------------------------
 
 void wxListBox::Init()
 {
-    m_treeview = (GtkTreeView*) NULL;
+    m_treeview = NULL;
 #if wxUSE_CHECKLISTBOX
     m_hasCheckBoxes = false;
 #endif // wxUSE_CHECKLISTBOX
-    m_spacePressed = false;
 }
 
 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
@@ -440,10 +267,6 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
                         long style, const wxValidator& validator,
                         const wxString &name )
 {
-    m_needParent = true;
-    m_acceptsFocus = true;
-    m_blockEvent = false;
-
     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, validator, name ))
     {
@@ -451,7 +274,8 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
         return false;
     }
 
-    m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL );
+    m_widget = gtk_scrolled_window_new( NULL, NULL );
+    g_object_ref(m_widget);
     if (style & wxLB_ALWAYS_SB)
     {
       gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
@@ -464,7 +288,7 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
     }
 
 
-    GtkScrolledWindowSetBorder(m_widget, style);
+    GTKScrolledWindowSetBorder(m_widget, style);
 
     m_treeview = GTK_TREE_VIEW( gtk_tree_view_new( ) );
 
@@ -472,10 +296,10 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
     //NB: If enabled SetFirstItem doesn't work correctly
     gtk_tree_view_set_headers_visible(m_treeview, FALSE);
 
-#if wxUSE_CHECKLISTBOX && wxUSE_NATIVEGTKCHECKLIST
+#if wxUSE_CHECKLISTBOX
     if(m_hasCheckBoxes)
         ((wxCheckListBox*)this)->DoCreateCheckList();
-#endif // wxUSE_CHECKLISTBOX && wxUSE_NATIVEGTKCHECKLIST
+#endif // wxUSE_CHECKLISTBOX
 
     // Create the data column
     gtk_tree_view_insert_column_with_attributes(m_treeview, -1, "",
@@ -484,7 +308,7 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
                                                 WXLISTBOX_DATACOLUMN, NULL);
 
     // Now create+set the model (GtkListStore) - first argument # of columns
-#if wxUSE_CHECKLISTBOX && wxUSE_NATIVEGTKCHECKLIST
+#if wxUSE_CHECKLISTBOX
     if(m_hasCheckBoxes)
         m_liststore = gtk_list_store_new(2, G_TYPE_BOOLEAN,
                                             GTK_TYPE_TREE_ENTRY);
@@ -510,39 +334,35 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 
     gtk_tree_view_set_enable_search(m_treeview, FALSE);
 
-
-    GtkTreeSelection* selection = gtk_tree_view_get_selection( m_treeview );
-    gtk_tree_selection_set_select_function(selection,
-                     (GtkTreeSelectionFunc)gtk_listitem_select_cb,
-                                           this, NULL); //NULL == destroycb
-
     GtkSelectionMode mode;
-    if (style & wxLB_MULTIPLE)
+    // GTK_SELECTION_EXTENDED is a deprecated synonym for GTK_SELECTION_MULTIPLE
+    if ( style & (wxLB_MULTIPLE | wxLB_EXTENDED) )
     {
         mode = GTK_SELECTION_MULTIPLE;
     }
-    else if (style & wxLB_EXTENDED)
+    else // no multi-selection flags specified
     {
-        mode = GTK_SELECTION_EXTENDED;
-    }
-    else
-    {
-        // if style was 0 set single mode
         m_windowStyle |= wxLB_SINGLE;
-        mode = GTK_SELECTION_SINGLE;
+
+        // Notice that we must use BROWSE and not GTK_SELECTION_SINGLE because
+        // the latter allows to not select any items at all while a single
+        // selection listbox is supposed to always have a selection (at least
+        // once the user selected something, it might not have any initially).
+        mode = GTK_SELECTION_BROWSE;
     }
 
+    GtkTreeSelection* selection = gtk_tree_view_get_selection( m_treeview );
     gtk_tree_selection_set_mode( selection, mode );
 
-    //Handle sortable stuff
-    if(style & wxLB_SORT)
+    // Handle sortable stuff
+    if(HasFlag(wxLB_SORT))
     {
-        //Setup sorting in ascending (wx) order
+        // Setup sorting in ascending (wx) order
         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(m_liststore),
                                              WXLISTBOX_DATACOLUMN,
                                              GTK_SORT_ASCENDING);
 
-        //Set the sort callback
+        // Set the sort callback
         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(m_liststore),
                                         WXLISTBOX_DATACOLUMN,
                    (GtkTreeIterCompareFunc) gtk_listbox_sort_callback,
@@ -557,24 +377,23 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
     gtk_widget_show( GTK_WIDGET(m_treeview) );
     m_focusWidget = GTK_WIDGET(m_treeview);
 
-    wxListBox::DoInsertItems(wxArrayString(n, choices), 0); // insert initial items
+    Append(n, choices); // insert initial items
 
-    //treeview-specific events
-    g_signal_connect(m_treeview, "row-activated",
+    // generate dclick events
+    g_signal_connect_after(m_treeview, "row-activated",
                      G_CALLBACK(gtk_listbox_row_activated_callback), this);
 
-    // other events
-    g_signal_connect (m_treeview, "button_press_event",
-                      G_CALLBACK (gtk_listbox_button_press_callback),
-                      this);
+    // for intercepting dclick generation by <ENTER>
     g_signal_connect (m_treeview, "key_press_event",
                       G_CALLBACK (gtk_listbox_key_press_callback),
                            this);
-
     m_parent->DoAddChild( this );
 
     PostCreation(size);
-    SetBestSize(size); // need this too because this is a wxControlWithItems
+    SetInitialSize(size); // need this too because this is a wxControlWithItems
+
+    g_signal_connect_after (selection, "changed",
+                            G_CALLBACK (gtk_listitem_changed_callback), this);
 
     return true;
 }
@@ -586,163 +405,171 @@ wxListBox::~wxListBox()
     Clear();
 }
 
+void wxListBox::GTKDisableEvents()
+{
+    GtkTreeSelection* selection = gtk_tree_view_get_selection( m_treeview );
+
+    g_signal_handlers_block_by_func(selection,
+                                (gpointer) gtk_listitem_changed_callback, this);
+}
+
+void wxListBox::GTKEnableEvents()
+{
+    GtkTreeSelection* selection = gtk_tree_view_get_selection( m_treeview );
+
+    g_signal_handlers_unblock_by_func(selection,
+                                (gpointer) gtk_listitem_changed_callback, this);
+
+    UpdateOldSelections();
+}
+
+
+void wxListBox::Update()
+{
+    wxWindow::Update();
+
+    if (m_treeview)
+        gdk_window_process_updates(GTK_WIDGET(m_treeview)->window, TRUE);
+}
+
 // ----------------------------------------------------------------------------
 // adding items
 // ----------------------------------------------------------------------------
 
-void wxListBox::GtkInsertItems(const wxArrayString& items,
-                               void** clientData, unsigned int pos)
+int wxListBox::DoInsertItems(const wxArrayStringsAdapter& items,
+                             unsigned int pos,
+                             void **clientData,
+                             wxClientDataType type)
 {
-    wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
+    wxCHECK_MSG( m_treeview != NULL, wxNOT_FOUND, wxT("invalid listbox") );
 
     InvalidateBestSize();
 
-    // Create and set column ids and GValues
-
-    unsigned int nNum = items.GetCount();
-    unsigned int nCurCount = wxListBox::GetCount();
-    wxASSERT_MSG(pos <= nCurCount, wxT("Invalid index passed to wxListBox"));
-
     GtkTreeIter* pIter = NULL; // append by default
     GtkTreeIter iter;
-    if (pos != nCurCount)
+    if ( pos != GetCount() )
     {
-        gboolean res = gtk_tree_model_iter_nth_child(
-                        GTK_TREE_MODEL(m_liststore),
-                        &iter, NULL, //NULL = parent = get first
-                        (int)pos );
-        if(!res)
-        {
-            wxLogSysError(wxT("internal wxListBox error in insertion"));
-            return;
-        }
+        wxCHECK_MSG( GTKGetIteratorFor(pos, &iter), wxNOT_FOUND,
+                     wxT("internal wxListBox error in insertion") );
 
         pIter = &iter;
     }
 
-    for (unsigned int i = 0; i < nNum; ++i)
+    const unsigned int numItems = items.GetCount();
+    for ( unsigned int i = 0; i < numItems; ++i )
     {
-        wxString label = items[i];
-
-#if wxUSE_CHECKLISTBOX && !wxUSE_NATIVEGTKCHECKLIST
-        if (m_hasCheckBoxes)
-        {
-            label.Prepend(wxCHECKLBOX_STRING);
-        }
-#endif // wxUSE_CHECKLISTBOX
-
-
-        GtkTreeEntry* entry = gtk_tree_entry_new();
-        gtk_tree_entry_set_label(entry, wxConvUTF8.cWX2MB(label));
+        wxGtkObject<GtkTreeEntry> entry(gtk_tree_entry_new());
+        gtk_tree_entry_set_label(entry, wxGTK_CONV(items[i]));
         gtk_tree_entry_set_destroy_func(entry,
                 (GtkTreeEntryDestroy)gtk_tree_entry_destroy_cb,
                             this);
 
-        if (clientData)
-            gtk_tree_entry_set_userdata(entry, clientData[i]);
-
         GtkTreeIter itercur;
         gtk_list_store_insert_before(m_liststore, &itercur, pIter);
 
-#if wxUSE_CHECKLISTBOX && wxUSE_NATIVEGTKCHECKLIST
-        if (m_hasCheckBoxes)
-        {
-            gtk_list_store_set(m_liststore, &itercur,
-                                 0, FALSE, //FALSE == not toggled
-                                 1, entry, -1);
-        }
-        else
-#endif
-            gtk_list_store_set(m_liststore, &itercur,
-                                 0, entry, -1);
+        GTKSetItem(itercur, entry);
 
-        g_object_unref (entry); //liststore always refs :)
+        if (clientData)
+            AssignNewItemClientData(GTKGetIndexFor(itercur), clientData, i, type);
     }
-}
 
-void wxListBox::DoInsertItems(const wxArrayString& items, unsigned int pos)
-{
-    wxCHECK_RET( IsValidInsert(pos), wxT("invalid index in wxListBox::InsertItems") );
+    UpdateOldSelections();
 
-    GtkInsertItems(items, NULL, pos);
-}
-
-int wxListBox::DoAppend( const wxString& item )
-{
-    // Call DoInsertItems
-    unsigned int nWhere = wxListBox::GetCount();
-    wxArrayString aItems;
-    aItems.Add(item);
-    wxListBox::DoInsertItems(aItems, nWhere);
-    return nWhere;
-}
-
-void wxListBox::DoSetItems( const wxArrayString& items,
-                            void **clientData)
-{
-    Clear();
-    GtkInsertItems(items, clientData, 0);
+    return pos + numItems - 1;
 }
 
 // ----------------------------------------------------------------------------
 // deleting items
 // ----------------------------------------------------------------------------
 
-void wxListBox::Clear()
+void wxListBox::DoClear()
 {
     wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
 
+    GTKDisableEvents(); // just in case
+
     InvalidateBestSize();
 
     gtk_list_store_clear( m_liststore ); /* well, THAT was easy :) */
+
+    GTKEnableEvents();
 }
 
-void wxListBox::Delete(unsigned int n)
+void wxListBox::DoDeleteOneItem(unsigned int n)
 {
     wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
 
     InvalidateBestSize();
 
-    GtkTreeIter iter;
-    gboolean res = gtk_tree_model_iter_nth_child(
-                        GTK_TREE_MODEL(m_liststore),
-                        &iter, NULL, //NULL = parent = get first
-                        n
-                   );
+    GTKDisableEvents(); // just in case
 
-    wxCHECK_RET( res, wxT("wrong listbox index") );
+    GtkTreeIter iter;
+    wxCHECK_RET( GTKGetIteratorFor(n, &iter), wxT("wrong listbox index") );
 
-    //this returns false if iter is invalid (i.e. deleting item
-    //at end) but since we don't use iter, well... :)
+    // this returns false if iter is invalid (e.g. deleting item at end) but
+    // since we don't use iter, we ignore the return value
     gtk_list_store_remove(m_liststore, &iter);
+
+    GTKEnableEvents();
 }
 
 // ----------------------------------------------------------------------------
-// get GtkTreeEntry from position (note: you need to g_unref it if valid)
+// helper functions for working with iterators
 // ----------------------------------------------------------------------------
 
-struct _GtkTreeEntry* wxListBox::GtkGetEntry(int n) const
+bool wxListBox::GTKGetIteratorFor(unsigned pos, GtkTreeIter *iter) const
 {
-    GtkTreeIter iter;
-    gboolean res = gtk_tree_model_iter_nth_child(
-                        GTK_TREE_MODEL(m_liststore),
-                        &iter, NULL, //NULL = parent = get first
-                        n );
-
-    if (!res)
+    if ( !gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(m_liststore),
+                                        iter, NULL, pos) )
     {
-        wxLogDebug(wxT("gtk_tree_model_iter_nth_child failed\n")
-                   wxT("Passed in value was:[%i]  List size:[%u]"),
-                   n, wxListBox::GetCount() );
-        return NULL;
+        wxLogDebug(wxT("gtk_tree_model_iter_nth_child(%u) failed"), pos);
+        return false;
     }
 
+    return true;
+}
+
+int wxListBox::GTKGetIndexFor(GtkTreeIter& iter) const
+{
+    GtkTreePath *path =
+        gtk_tree_model_get_path(GTK_TREE_MODEL(m_liststore), &iter);
 
-    GtkTreeEntry* entry = NULL;
-    gtk_tree_model_get(GTK_TREE_MODEL(m_liststore), &iter,
-                       WXLISTBOX_DATACOLUMN, &entry, -1);
+    gint* pIntPath = gtk_tree_path_get_indices(path);
 
-    return entry;
+    wxCHECK_MSG( pIntPath, wxNOT_FOUND, wxT("failed to get iterator path") );
+
+    int idx = pIntPath[0];
+
+    gtk_tree_path_free( path );
+
+    return idx;
+}
+
+// get GtkTreeEntry from position (note: you need to g_unref it if valid)
+GtkTreeEntry *wxListBox::GTKGetEntry(unsigned n) const
+{
+    GtkTreeIter iter;
+    if ( !GTKGetIteratorFor(n, &iter) )
+        return NULL;
+
+    return GetEntry(m_liststore, &iter, this);
+}
+
+void wxListBox::GTKSetItem(GtkTreeIter& iter, const GtkTreeEntry *entry)
+{
+#if wxUSE_CHECKLISTBOX
+    if ( m_hasCheckBoxes )
+    {
+        gtk_list_store_set(m_liststore, &iter,
+                           0, FALSE, // FALSE == not toggled
+                           1, entry,
+                           -1);
+    }
+    else
+#endif // wxUSE_CHECKLISTBOX
+    {
+        gtk_list_store_set(m_liststore, &iter, 0, entry, -1);
+    }
 }
 
 // ----------------------------------------------------------------------------
@@ -751,95 +578,52 @@ struct _GtkTreeEntry* wxListBox::GtkGetEntry(int n) const
 
 void* wxListBox::DoGetItemClientData(unsigned int n) const
 {
-    wxCHECK_MSG( IsValid(n), NULL,
-                 wxT("Invalid index passed to GetItemClientData") );
-
-    GtkTreeEntry* entry = GtkGetEntry(n);
+    wxGtkObject<GtkTreeEntry> entry(GTKGetEntry(n));
     wxCHECK_MSG(entry, NULL, wxT("could not get entry"));
 
-    void* userdata = gtk_tree_entry_get_userdata( entry );
-    g_object_unref (entry);
-    return userdata;
-}
-
-wxClientData* wxListBox::DoGetItemClientObject(unsigned int n) const
-{
-    return (wxClientData*) wxListBox::DoGetItemClientData(n);
+    return gtk_tree_entry_get_userdata( entry );
 }
 
 void wxListBox::DoSetItemClientData(unsigned int n, void* clientData)
 {
-    wxCHECK_RET( IsValid(n),
-                 wxT("Invalid index passed to SetItemClientData") );
-
-    GtkTreeEntry* entry = GtkGetEntry(n);
+    wxGtkObject<GtkTreeEntry> entry(GTKGetEntry(n));
     wxCHECK_RET(entry, wxT("could not get entry"));
 
     gtk_tree_entry_set_userdata( entry, clientData );
-    g_object_unref (entry);
-}
-
-void wxListBox::DoSetItemClientObject(unsigned int n, wxClientData* clientData)
-{
-    // wxItemContainer already deletes data for us
-    wxListBox::DoSetItemClientData(n, (void*) clientData);
 }
 
 // ----------------------------------------------------------------------------
 // string list access
 // ----------------------------------------------------------------------------
 
-void wxListBox::SetString(unsigned int n, const wxString &string)
+void wxListBox::SetString(unsigned int n, const wxString& label)
 {
     wxCHECK_RET( IsValid(n), wxT("invalid index in wxListBox::SetString") );
     wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
 
-    GtkTreeEntry* entry = GtkGetEntry(n);
+    GtkTreeEntry* entry = GTKGetEntry(n);
     wxCHECK_RET( entry, wxT("wrong listbox index") );
 
-    wxString label = string;
+    // update the item itself
+    gtk_tree_entry_set_label(entry, wxGTK_CONV(label));
 
-#if wxUSE_CHECKLISTBOX && !wxUSE_NATIVEGTKCHECKLIST
-    if (m_hasCheckBoxes)
-        label.Prepend(wxCHECKLBOX_STRING);
-#endif // wxUSE_CHECKLISTBOX
+    // and update the model which will refresh the tree too
+    GtkTreeIter iter;
+    wxCHECK_RET( GTKGetIteratorFor(n, &iter), wxT("failed to get iterator") );
 
-    // RN: This may look wierd but the problem is that the TreeView
-    // doesn't resort or update when changed above and there is no real
-    // notification function...
-    void* userdata = gtk_tree_entry_get_userdata(entry);
-    gtk_tree_entry_set_userdata(entry, NULL); //don't delete on destroy
-    g_object_unref (entry);
-
-    bool bWasSelected = wxListBox::IsSelected(n);
-    wxListBox::Delete(n);
-
-    wxArrayString aItems;
-    aItems.Add(label);
-    GtkInsertItems(aItems, &userdata, n);
-    if (bWasSelected)
-        wxListBox::GtkSetSelection(n, true, true);
+    // FIXME: this resets the checked status of a wxCheckListBox item
+
+    GTKSetItem(iter, entry);
 }
 
 wxString wxListBox::GetString(unsigned int n) const
 {
     wxCHECK_MSG( m_treeview != NULL, wxEmptyString, wxT("invalid listbox") );
 
-    GtkTreeEntry* entry = GtkGetEntry(n);
+    wxGtkObject<GtkTreeEntry> entry(GTKGetEntry(n));
     wxCHECK_MSG( entry, wxEmptyString, wxT("wrong listbox index") );
 
-    wxString label = wxGTK_CONV_BACK( gtk_tree_entry_get_label(entry) );
-
-#if wxUSE_CHECKLISTBOX && !wxUSE_NATIVEGTKCHECKLIST
-    // checklistboxes have "[±] " prepended to their lables, remove it
-    //
-    // NB: 4 below is the length of wxCHECKLBOX_STRING from wx/gtk/checklst.h
-    if ( m_hasCheckBoxes )
-        label.erase(0, 4);
-#endif // wxUSE_CHECKLISTBOX
-
-    g_object_unref (entry);
-    return label;
+    return wxGTK_CONV_BACK( gtk_tree_entry_get_label(entry) );
 }
 
 unsigned int wxListBox::GetCount() const
@@ -871,6 +655,25 @@ int wxListBox::FindString( const wxString &item, bool bCase ) const
 // selection
 // ----------------------------------------------------------------------------
 
+void wxListBox::GTKOnActivated(int item)
+{
+    SendEvent(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, item, IsSelected(item));
+}
+
+void wxListBox::GTKOnSelectionChanged()
+{
+    if ( HasFlag(wxLB_MULTIPLE | wxLB_EXTENDED) )
+    {
+        CalcAndSendEvent();
+    }
+    else // single selection
+    {
+        const int item = GetSelection();
+        if ( DoChangeSingleSelection(item) )
+            SendEvent(wxEVT_COMMAND_LISTBOX_SELECTED, item, true);
+    }
+}
+
 int wxListBox::GetSelection() const
 {
     wxCHECK_MSG( m_treeview != NULL, wxNOT_FOUND, wxT("invalid listbox"));
@@ -884,14 +687,7 @@ int wxListBox::GetSelection() const
     if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
         return wxNOT_FOUND;
 
-    GtkTreePath* path =
-        gtk_tree_model_get_path(GTK_TREE_MODEL(m_liststore), &iter);
-
-    int sel = gtk_tree_path_get_indices(path)[0];
-
-    gtk_tree_path_free(path);
-
-    return sel;
+    return GTKGetIndexFor(iter);
 }
 
 int wxListBox::GetSelections( wxArrayInt& aSelections ) const
@@ -900,7 +696,7 @@ int wxListBox::GetSelections( wxArrayInt& aSelections ) const
 
     aSelections.Empty();
 
-        int i = 0;
+    int i = 0;
     GtkTreeIter iter;
     GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
 
@@ -925,69 +721,49 @@ bool wxListBox::IsSelected( int n ) const
     GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
 
     GtkTreeIter iter;
-    gboolean res = gtk_tree_model_iter_nth_child(
-                        GTK_TREE_MODEL(m_liststore),
-                        &iter, NULL, //NULL = parent = get first
-                        n );
-
-    wxCHECK_MSG( res, false, wxT("Invalid index") );
+    wxCHECK_MSG( GTKGetIteratorFor(n, &iter), false, wxT("Invalid index") );
 
     return gtk_tree_selection_iter_is_selected(selection, &iter);
 }
 
 void wxListBox::DoSetSelection( int n, bool select )
 {
+    wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
+
+    GTKDisableEvents();
+
+    GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
+
     // passing -1 to SetSelection() is documented to deselect all items
     if ( n == wxNOT_FOUND )
     {
-        // ... and not generate any events in the process
-        GtkDeselectAll();
+        gtk_tree_selection_unselect_all(selection);
+        GTKEnableEvents();
+        return;
     }
 
     wxCHECK_RET( IsValid(n), wxT("invalid index in wxListBox::SetSelection") );
 
-    // don't generate the selection event
-    GtkSetSelection(n, select, true);
-}
-
-void wxListBox::GtkDeselectAll()
-{
-    wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
-
-    GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
-
-    m_blockEvent = true;
-
-    gtk_tree_selection_unselect_all(selection);
-
-    m_blockEvent = false;
-}
-
-void wxListBox::GtkSetSelection(int n, const bool select, const bool blockEvent)
-{
-    wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
-
-    GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
 
     GtkTreeIter iter;
-    gboolean res = gtk_tree_model_iter_nth_child(
-                        GTK_TREE_MODEL(m_liststore),
-                        &iter, NULL, //NULL = parent = get first
-                        n
-                                                );
-    wxCHECK_RET( res, wxT("Invalid index") );
-
-    m_blockEvent = blockEvent;
+    wxCHECK_RET( GTKGetIteratorFor(n, &iter), wxT("Invalid index") );
 
     if (select)
         gtk_tree_selection_select_iter(selection, &iter);
     else
         gtk_tree_selection_unselect_iter(selection, &iter);
 
-    m_blockEvent = false;
+    GtkTreePath* path = gtk_tree_model_get_path(
+                        GTK_TREE_MODEL(m_liststore), &iter);
+
+    gtk_tree_view_scroll_to_cell(m_treeview, path, NULL, FALSE, 0.0f, 0.0f);
+
+    gtk_tree_path_free(path);
+
+    GTKEnableEvents();
 }
 
-void wxListBox::DoSetFirstItem( int n )
+void wxListBox::DoScrollToCell(int n, float alignY, float alignX)
 {
     wxCHECK_RET( m_treeview, wxT("invalid listbox") );
     wxCHECK_RET( IsValid(n), wxT("invalid index"));
@@ -997,23 +773,29 @@ void wxListBox::DoSetFirstItem( int n )
         return;
 
     GtkTreeIter iter;
-    gtk_tree_model_iter_nth_child(
-                                    GTK_TREE_MODEL(m_liststore),
-                                    &iter,
-                                    NULL, //NULL = parent = get first
-                                    n
-                                 );
+    if ( !GTKGetIteratorFor(n, &iter) )
+        return;
 
     GtkTreePath* path = gtk_tree_model_get_path(
                             GTK_TREE_MODEL(m_liststore), &iter);
 
     // Scroll to the desired cell (0.0 == topleft alignment)
     gtk_tree_view_scroll_to_cell(m_treeview, path, NULL,
-                                 TRUE, 0.0f, 0.0f);
+                                 TRUE, alignY, alignX);
 
     gtk_tree_path_free(path);
 }
 
+void wxListBox::DoSetFirstItem(int n)
+{
+    DoScrollToCell(n, 0, 0);
+}
+
+void wxListBox::EnsureVisible(int n)
+{
+    DoScrollToCell(n, 0.5, 0);
+}
+
 // ----------------------------------------------------------------------------
 // hittest
 // ----------------------------------------------------------------------------
@@ -1056,10 +838,19 @@ int wxListBox::DoListHitTest(const wxPoint& point) const
 // ----------------------------------------------------------------------------
 
 #if wxUSE_TOOLTIPS
-void wxListBox::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
+void wxListBox::GTKApplyToolTip( GtkTooltips *tips, const gchar *tip )
 {
-    // RN: Is this needed anymore?
-    gtk_tooltips_set_tip( tips, GTK_WIDGET( m_treeview ), wxGTK_CONV(tip), (gchar*) NULL );
+#if GTK_CHECK_VERSION(2, 12, 0)
+    if (!gtk_check_version(2, 12, 0))
+    {
+        gtk_widget_set_tooltip_text(GTK_WIDGET( m_treeview ), tip);
+    }
+    else
+#endif
+    {
+        // RN: Is this needed anymore?
+        gtk_tooltips_set_tip( tips, GTK_WIDGET( m_treeview ), tip, NULL );
+    }
 }
 #endif // wxUSE_TOOLTIPS
 
@@ -1098,43 +889,40 @@ wxSize wxListBox::DoGetBestSize() const
     // Start with a minimum size that's not too small
     int cx, cy;
     GetTextExtent( wxT("X"), &cx, &cy);
-    int lbWidth = 3 * cx;
+    int lbWidth = 0;
     int lbHeight = 10;
 
-    // Get the visible area of the tree view (limit to the 10th item
-    // so that it isn't too big)
-    unsigned int count = GetCount();
-    if (count)
+    // Find the widest string.
+    const unsigned int count = GetCount();
+    if ( count )
     {
         int wLine;
-
-        // Find the widest line
-        for(unsigned int i = 0; i < count; i++) {
-            wxString str(GetString(i));
-            GetTextExtent(str, &wLine, NULL);
-            lbWidth = wxMax(lbWidth, wLine);
-        }
-
-        lbWidth += 3 * cx;
-
-        // And just a bit more for the checkbox if present and then some
-        // (these are rough guesses)
-#if wxUSE_CHECKLISTBOX && wxUSE_NATIVEGTKCHECKLIST
-        if ( m_hasCheckBoxes )
+        for ( unsigned int i = 0; i < count; i++ )
         {
-            lbWidth += 35;
-            cy = cy > 25 ? cy : 25; // rough height of checkbox
+            GetTextExtent(GetString(i), &wLine, NULL);
+            if ( wLine > lbWidth )
+                lbWidth = wLine;
         }
-#endif
+    }
 
-        // don't make the listbox too tall (limit height to around 10 items) but don't
-        // make it too small neither
-        lbHeight = (cy+4) * wxMin(wxMax(count, 3), 10);
+    lbWidth += 3 * cx;
+
+    // And just a bit more for the checkbox if present and then some
+    // (these are rough guesses)
+#if wxUSE_CHECKLISTBOX
+    if ( m_hasCheckBoxes )
+    {
+        lbWidth += 35;
+        cy = cy > 25 ? cy : 25; // rough height of checkbox
     }
+#endif
 
     // Add room for the scrollbar
     lbWidth += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
 
+    // Don't make the listbox too tall but don't make it too small neither
+    lbHeight = (cy+4) * wxMin(wxMax(count, 3), 10);
+
     wxSize best(lbWidth, lbHeight);
     CacheBestSize(best);
     return best;