X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f96b15a3c2878a826809784549f65abc4ce1170f..e7300ec6d9ebbd1cfa2fcf12c0ce6e5aee85a152:/src/gtk/listbox.cpp

diff --git a/src/gtk/listbox.cpp b/src/gtk/listbox.cpp
index ea20374c2d..afdac34650 100644
--- a/src/gtk/listbox.cpp
+++ b/src/gtk/listbox.cpp
@@ -37,14 +37,6 @@
 extern void wxapp_install_idle_handler();
 extern bool g_isIdle;
 
-//-------------------------------------------------------------------------
-// conditional compilation
-//-------------------------------------------------------------------------
-
-#if (GTK_MINOR_VERSION > 0)
-    #define NEW_GTK_SCROLL_CODE
-#endif
-
 //-----------------------------------------------------------------------------
 // private functions
 //-----------------------------------------------------------------------------
@@ -84,14 +76,20 @@ struct wxlistbox_idle_struct
     gint         m_tag;
 };
 
-static gint wxlistbox_idle_callback( gpointer gdata )
+extern "C" gint wxlistbox_idle_callback( gpointer gdata )
 {
     wxlistbox_idle_struct* data = (wxlistbox_idle_struct*) gdata;
     gdk_threads_enter();
 
     gtk_idle_remove( data->m_tag );
 
-    data->m_listbox->SetFirstItem( data->m_item );
+    // check that the items haven't been deleted from the listbox since we had
+    // installed this callback
+    wxListBox *lbox = data->m_listbox;
+    if ( data->m_item < lbox->GetCount() )
+    {
+        lbox->SetFirstItem( data->m_item );
+    }
 
     delete data;
 
@@ -267,9 +265,12 @@ static void gtk_listitem_select_cb( GtkWidget *widget, wxListBox *listbox, bool
 
     if (!listbox->m_hasVMT) return;
     if (g_blockEventsOnDrag) return;
+    
+    if (listbox->m_blockEvent) return;
 
     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
     event.SetEventObject( listbox );
+    
 //    MSW doesn't do that either
 //    event.SetExtraLong( (long) is_selection );
 
@@ -333,7 +334,9 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 {
     m_needParent = TRUE;
     m_acceptsFocus = TRUE;
+    m_isListBox = TRUE;
     m_prevSelection = 0;  // or -1 ??
+    m_blockEvent = FALSE;
 
     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, validator, name ))
@@ -374,11 +377,7 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 
     gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
 
-#ifdef NEW_GTK_SCROLL_CODE
     gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) );
-#else
-    gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
-#endif
 
     /* make list scroll when moving the focus down using cursor keys */
     gtk_container_set_focus_vadjustment(
@@ -388,8 +387,6 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 
     gtk_widget_show( GTK_WIDGET(m_list) );
 
-    SetBestSize( size );
-
     if ( style & wxLB_SORT )
     {
         // this will change DoAppend() behaviour
@@ -406,11 +403,15 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
         DoAppend(choices[i]);
     }
 
+    // call it after appending the strings to the listbox, otherwise it doesn't
+    // work correctly
+    SetBestSize( size );
+
     m_parent->DoAddChild( this );
 
     PostCreation();
 
-    SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_LISTBOX ) );
+    SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_LISTBOX ) );
     SetForegroundColour( parent->GetForegroundColour() );
     SetFont( parent->GetFont() );
 
@@ -662,6 +663,12 @@ void wxListBox::Clear()
     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 
     gtk_list_clear_items( m_list, 0, GetCount() );
+    
+    if ( GTK_LIST(m_list)->last_focus_child != NULL  )
+    {
+        // This should be NULL, I think.
+        GTK_LIST(m_list)->last_focus_child = NULL;
+    }
 
     if ( HasClientObjectData() )
     {
@@ -855,7 +862,7 @@ void wxListBox::SetSelection( int n, bool select )
 {
     wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
 
-    GtkDisableEvents();
+    m_blockEvent = TRUE;
 
     if (select)
     {
@@ -867,7 +874,7 @@ void wxListBox::SetSelection( int n, bool select )
     else
         gtk_list_unselect_item( m_list, n );
 
-    GtkEnableEvents();
+    m_blockEvent = FALSE;    
 }
 
 void wxListBox::DoSetFirstItem( int n )
@@ -939,38 +946,6 @@ void wxListBox::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
 }
 #endif // wxUSE_TOOLTIPS
 
-void wxListBox::GtkDisableEvents()
-{
-    GList *child = m_list->children;
-    while (child)
-    {
-        gtk_signal_disconnect_by_func( GTK_OBJECT(child->data),
-          GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
-
-        if (HasFlag(wxLB_MULTIPLE) || HasFlag(wxLB_EXTENDED))
-            gtk_signal_disconnect_by_func( GTK_OBJECT(child->data),
-              GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
-
-        child = child->next;
-    }
-}
-
-void wxListBox::GtkEnableEvents()
-{
-    GList *child = m_list->children;
-    while (child)
-    {
-        gtk_signal_connect( GTK_OBJECT(child->data), "select",
-          GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
-
-        if (HasFlag(wxLB_MULTIPLE) || HasFlag(wxLB_EXTENDED))
-            gtk_signal_connect( GTK_OBJECT(child->data), "deselect",
-              GTK_SIGNAL_FUNC(gtk_listitem_deselect_callback), (gpointer)this );
-
-        child = child->next;
-    }
-}
-
 GtkWidget *wxListBox::GetConnectWidget()
 {
     return GTK_WIDGET(m_list);
@@ -1065,7 +1040,7 @@ wxSize wxListBox::DoGetBestSize() const
     }
 
     // Add room for the scrollbar
-    lbWidth += wxSystemSettings::GetSystemMetric(wxSYS_VSCROLL_X);
+    lbWidth += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
 
     // And just a bit more
     int cx, cy;