+ wxlistbox_idle_struct* data = (wxlistbox_idle_struct*) gdata;
+ gdk_threads_enter();
+
+ gtk_idle_remove( data->m_tag );
+
+ // 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 < (int)lbox->GetCount() )
+ {
+ lbox->SetFirstItem( data->m_item );
+ }
+
+ delete data;
+
+ gdk_threads_leave();
+
+ return TRUE;
+}
+}
+
+//-----------------------------------------------------------------------------
+// "focus_in_event"
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static gint gtk_listitem_focus_in_callback( GtkWidget *WXUNUSED(widget),
+ GdkEvent *WXUNUSED(event),
+ wxWindow *win )
+{
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+ g_focusWindowLast =
+ g_focusWindow = win;
+
+ // does the window itself think that it has the focus?
+ if ( !win->m_hasFocus )
+ {
+ // not yet, notify it
+ win->m_hasFocus = true;
+
+ wxChildFocusEvent eventChildFocus(win);
+ (void)win->HandleWindowEvent(eventChildFocus);
+
+ wxFocusEvent eventFocus(wxEVT_SET_FOCUS, win->GetId());
+ eventFocus.SetEventObject(win);
+
+ (void)win->HandleWindowEvent(eventFocus);
+ }
+
+ return FALSE;
+}
+}
+
+//-----------------------------------------------------------------------------
+// "focus_out_event"
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static gint gtk_listitem_focus_out_callback( GtkWidget *WXUNUSED(widget),
+ GdkEventFocus *WXUNUSED(gdk_event),
+ wxWindowGTK *win )
+{
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+ g_focusWindow = NULL;
+
+ // don't send the window a kill focus event if it thinks that it doesn't
+ // have focus already
+ if ( win->m_hasFocus )
+ {
+ win->m_hasFocus = false;
+
+ wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
+ event.SetEventObject( win );
+
+ // even if we did process the event in wx code, still let GTK itself
+ // process it too as otherwise bad things happen, especially in GTK2
+ // where the text control simply aborts the program if it doesn't get
+ // the matching focus out event
+ (void)win->HandleWindowEvent( event );
+ }
+
+ return FALSE;
+}
+}
+
+//-----------------------------------------------------------------------------
+// "button_release_event"
+//-----------------------------------------------------------------------------
+
+/* we would normally emit a wxEVT_COMMAND_LISTBOX_DOUBLECLICKED event once
+ a GDK_2BUTTON_PRESS occurs, but this has the particular problem of the
+ listbox keeping the focus until it receives a GDK_BUTTON_RELEASE event.
+ this can lead to race conditions so that we emit the dclick event
+ after the GDK_BUTTON_RELEASE event after the GDK_2BUTTON_PRESS event */
+
+extern "C" {
+static gint
+gtk_listbox_button_release_callback( GtkWidget * WXUNUSED(widget),
+ GdkEventButton * WXUNUSED(gdk_event),
+ wxListBox *listbox )
+{
+ if (g_isIdle) wxapp_install_idle_handler();
+
+ if (g_blockEventsOnDrag) return FALSE;
+ if (g_blockEventsOnScroll) return FALSE;
+
+ if (!listbox->m_hasVMT) return FALSE;
+
+ if (!g_hasDoubleClicked) return FALSE;
+
+ wxCommandEvent event( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
+ event.SetEventObject( listbox );
+
+ wxArrayInt aSelections;
+ int n, count = listbox->GetSelections(aSelections);
+ if ( count > 0 )
+ {
+ n = aSelections[0];
+ if ( listbox->HasClientObjectData() )
+ event.SetClientObject( listbox->GetClientObject(n) );
+ else if ( listbox->HasClientUntypedData() )
+ event.SetClientData( listbox->GetClientData(n) );
+ event.SetString( listbox->GetString(n) );
+ }
+ else
+ {
+ n = -1;
+ }
+
+ event.SetInt(n);
+
+ listbox->HandleWindowEvent( event );
+
+ return FALSE;
+}
+}
+
+//-----------------------------------------------------------------------------
+// "button_press_event"
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static gint
+gtk_listbox_button_press_callback( GtkWidget *widget,
+ GdkEventButton *gdk_event,
+ wxListBox *listbox )
+{
+ if (g_isIdle) wxapp_install_idle_handler();
+
+ if (g_blockEventsOnDrag) return FALSE;
+ if (g_blockEventsOnScroll) return FALSE;
+
+ if (!listbox->m_hasVMT) return FALSE;
+
+ int sel = listbox->GtkGetIndex( widget );
+
+#if wxUSE_CHECKLISTBOX
+ if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
+ {
+ 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->HandleWindowEvent( event );
+ }
+#endif // wxUSE_CHECKLISTBOX
+
+ if ((gdk_event->state == 0) &&
+ (((listbox->GetWindowStyleFlag() & wxLB_MULTIPLE) != 0) ||
+ ((listbox->GetWindowStyleFlag() & wxLB_EXTENDED) != 0)) )
+ {
+ listbox->m_blockEvent = true;
+
+ int i;
+ for (i = 0; i < (int)listbox->GetCount(); i++)
+ if (i != sel)
+ gtk_list_unselect_item( GTK_LIST(listbox->m_list), i );
+
+ listbox->m_blockEvent = false;
+
+ return false;
+ }
+
+ /* emit wxEVT_COMMAND_LISTBOX_DOUBLECLICKED later */
+ g_hasDoubleClicked = (gdk_event->type == GDK_2BUTTON_PRESS);
+
+ return FALSE;
+}
+}
+
+//-----------------------------------------------------------------------------
+// "key_press_event"
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static gint
+gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
+{
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+ if (g_blockEventsOnDrag)
+ return FALSE;
+
+ bool ret = false;
+
+ if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
+ {
+ 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->HandleWindowEvent( new_event );
+ }
+
+ if ((gdk_event->keyval == GDK_Return) && (!ret))
+ {
+ // eat return in all modes
+ ret = true;
+ }
+
+#if wxUSE_CHECKLISTBOX
+ if ((gdk_event->keyval == ' ') && (listbox->m_hasCheckBoxes) && (!ret))
+ {
+ int sel = listbox->GtkGetIndex( widget );
+
+ 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 );
+ ret = listbox->HandleWindowEvent( new_event );
+ }
+#endif // wxUSE_CHECKLISTBOX
+
+ // Check or uncheck item with SPACE
+ if ((gdk_event->keyval == ' ') && (!ret) &&
+ (((listbox->GetWindowStyleFlag() & wxLB_MULTIPLE) != 0) ||
+ ((listbox->GetWindowStyleFlag() & wxLB_EXTENDED) != 0)) )
+ {
+ int sel = listbox->GtkGetIndex( widget );
+
+ if (sel != -1)
+ {
+ ret = true;
+
+ if (listbox->IsSelected( sel ))
+ gtk_list_unselect_item( listbox->m_list, sel );
+ else
+ gtk_list_select_item( listbox->m_list, sel );
+
+ wxCommandEvent new_event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
+ new_event.SetEventObject( listbox );
+ wxArrayInt aSelections;
+ int n, count = listbox->GetSelections(aSelections);
+ if ( count > 0 )
+ {
+ n = aSelections[0];
+ if ( listbox->HasClientObjectData() )
+ new_event.SetClientObject( listbox->GetClientObject(n) );
+ else if ( listbox->HasClientUntypedData() )
+ new_event.SetClientData( listbox->GetClientData(n) );
+ new_event.SetString( listbox->GetString(n) );
+ }
+ else
+ {
+ n = -1;
+ }
+ new_event.SetInt(n);
+ listbox->HandleWindowEvent( new_event );
+ }
+ }
+
+ if (ret)
+ {
+ gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
+ return TRUE;
+ }
+
+ return FALSE;
+}
+}
+
+//-----------------------------------------------------------------------------
+// "select" and "deselect"
+//-----------------------------------------------------------------------------
+
+static void gtk_listitem_select_cb( GtkWidget *widget,
+ wxListBox *listbox,
+ bool is_selection )
+{
+ if (g_isIdle) wxapp_install_idle_handler();
+
+ 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 );
+
+ // indicate whether this is a selection or a deselection
+ event.SetExtraLong( is_selection );
+
+ if ((listbox->GetWindowStyleFlag() & wxLB_SINGLE) != 0)
+ {
+ int sel = listbox->GtkGetIndex( widget );
+
+ if (listbox->m_prevSelection != sel)
+ gtk_list_unselect_item( listbox->m_list, listbox->m_prevSelection );
+
+ listbox->m_prevSelection = sel;
+ }
+
+ wxArrayInt aSelections;
+ int n, count = listbox->GetSelections(aSelections);
+ if ( count > 0 )
+ {
+ n = aSelections[0];
+ if ( listbox->HasClientObjectData() )
+ event.SetClientObject( listbox->GetClientObject(n) );
+ else if ( listbox->HasClientUntypedData() )
+ event.SetClientData( listbox->GetClientData(n) );
+ event.SetString( listbox->GetString(n) );
+ }
+ else
+ {
+ n = -1;
+ }
+
+ event.SetInt(n);
+
+// No longer required with new code in wxLB_SINGLE
+// listbox->GetEventHandler()->AddPendingEvent( event );
+ listbox->HandleWindowEvent( event );
+}
+
+extern "C" {
+static void gtk_listitem_select_callback( GtkWidget *widget, wxListBox *listbox )
+{
+ gtk_listitem_select_cb( widget, listbox, TRUE );
+}
+}
+
+extern "C" {
+static void gtk_listitem_deselect_callback( GtkWidget *widget, wxListBox *listbox )
+{
+ gtk_listitem_select_cb( widget, listbox, FALSE );
+}
+}
+
+//-----------------------------------------------------------------------------
+// wxListBox
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static gint
+gtk_listbox_realized_callback( GtkWidget *WXUNUSED(widget), wxListBox *win )
+{
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+ GList *child = win->m_list->children;
+ for (child = win->m_list->children; child != NULL; child = child->next)
+ gtk_widget_show( GTK_WIDGET(child->data) );
+
+ return false;
+}
+}
+
+//-----------------------------------------------------------------------------
+// wxListBox
+//-----------------------------------------------------------------------------
+
+// ----------------------------------------------------------------------------
+// construction
+// ----------------------------------------------------------------------------
+
+wxListBox::wxListBox()
+{
+ m_list = NULL;
+#if wxUSE_CHECKLISTBOX
+ m_hasCheckBoxes = false;
+#endif // wxUSE_CHECKLISTBOX
+}
+
+bool wxListBox::Create( wxWindow *parent, wxWindowID id,
+ const wxPoint &pos, const wxSize &size,
+ const wxArrayString& choices,
+ long style, const wxValidator& validator,
+ const wxString &name )
+{
+ wxCArrayString chs(choices);
+
+ return Create( parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
+ style, validator, name );
+}
+
+bool wxListBox::Create( wxWindow *parent, wxWindowID id,
+ const wxPoint &pos, const wxSize &size,
+ int n, const wxString choices[],
+ long style, const wxValidator& validator,
+ const wxString &name )
+{
+ m_needParent = true;
+ m_acceptsFocus = true;
+ m_prevSelection = 0; // or -1 ??
+ m_blockEvent = false;
+
+ if (!PreCreation( parent, pos, size ) ||
+ !CreateBase( parent, id, pos, size, style, validator, name ))
+ {
+ wxFAIL_MSG( wxT("wxListBox creation failed") );
+ return false;
+ }
+
+ m_widget = gtk_scrolled_window_new( NULL, NULL );
+ if (style & wxLB_ALWAYS_SB)
+ {
+ gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
+ GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS );
+ }
+ else
+ {
+ gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
+ GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
+ }
+
+ m_list = GTK_LIST( gtk_list_new() );
+
+ GtkSelectionMode mode;
+ if (style & wxLB_MULTIPLE)
+ {
+ mode = GTK_SELECTION_MULTIPLE;
+ }
+ else if (style & wxLB_EXTENDED)
+ {
+ mode = GTK_SELECTION_EXTENDED;
+ }
+ else
+ {
+ // if style was 0 set single mode
+ m_windowStyle |= wxLB_SINGLE;
+ mode = GTK_SELECTION_SINGLE;
+ }
+
+ gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
+
+ gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) );
+
+ /* make list scroll when moving the focus down using cursor keys */
+ gtk_container_set_focus_vadjustment(
+ GTK_CONTAINER(m_list),
+ gtk_scrolled_window_get_vadjustment(
+ GTK_SCROLLED_WINDOW(m_widget)));
+
+ gtk_widget_show( GTK_WIDGET(m_list) );
+
+ gtk_signal_connect( GTK_OBJECT(m_list), "realize",
+ GTK_SIGNAL_FUNC(gtk_listbox_realized_callback), (gpointer) this );
+
+ if ( style & wxLB_SORT )
+ {
+ // this will change Append() behaviour
+ m_strings = new wxSortedArrayString;
+ }
+ else
+ {
+ m_strings = NULL;
+ }
+
+ Append(n, choices);
+
+ m_parent->DoAddChild( this );
+
+ PostCreation(size);
+ SetInitialSize(size); // need this too because this is a wxControlWithItems
+
+ return true;
+}
+
+wxListBox::~wxListBox()
+{
+ m_hasVMT = false;
+
+ Clear();
+
+ delete m_strings;
+}
+
+// ----------------------------------------------------------------------------
+// adding items
+// ----------------------------------------------------------------------------
+
+int wxListBox::DoInsertItems(const wxArrayStringsAdapter& items,
+ unsigned int pos,
+ void **clientData,
+ wxClientDataType type)
+{
+ wxCHECK_MSG( m_list != NULL, wxNOT_FOUND, wxT("invalid listbox") );
+
+ const unsigned count = GetCount();
+ wxCHECK_MSG( pos <= count, wxNOT_FOUND,
+ wxT("invalid index in wxListBox::InsertItems") );
+
+ // code elsewhere supposes we have as many items in m_clientList as items
+ // in the listbox
+ wxASSERT_MSG( m_clientList.GetCount() == count,
+ wxT("bug in client data management") );
+
+ InvalidateBestSize();
+
+ const unsigned numItems = items.GetCount();
+
+ for ( unsigned int n = 0; n < numItems; ++n, ++pos )
+ {
+ const wxString& item = items[n];
+
+ const unsigned idx = m_strings ? m_strings->Add(item)
+ : pos;
+
+ GtkAddItem(item, idx == GetCount() ? (unsigned) -1 : idx);
+
+ m_clientList.Insert(idx, NULL);
+
+ AssignNewItemClientData(idx, clientData, n, type);
+ }
+
+ wxASSERT_MSG( m_clientList.GetCount() == GetCount(),
+ wxT("bug in client data management") );
+
+ return pos - 1;
+}
+
+void wxListBox::GtkAddItem( const wxString &item, int pos )
+{
+ wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
projects / wxWidgets.git / blobdiff