C++ (Cpp) PICKED_ITEMS_LIST::PopItem示例

void FOOTPRINT_EDIT_FRAME::RestoreCopyFromUndoList( wxCommandEvent& aEvent )
{
    if( UndoRedoBlocked() )
        return;

    if( GetScreen()->GetUndoCommandCount() <= 0 )
        return;

    // Inform tools that undo command was issued
    TOOL_EVENT event( TC_MESSAGE, TA_UNDO_REDO, AS_GLOBAL );
    m_toolManager->ProcessEvent( event );

    if( UndoRedoBlocked() )
        return;

    // Save current module state in redo list
    PICKED_ITEMS_LIST* lastcmd = new PICKED_ITEMS_LIST();
    MODULE* module = GetBoard()->m_Modules.PopFront();
    ITEM_PICKER wrapper( module, UR_MODEDIT );
    KIGFX::VIEW* view = GetGalCanvas()->GetView();
    lastcmd->PushItem( wrapper );
    GetScreen()->PushCommandToRedoList( lastcmd );

    view->Remove( module );
    module->RunOnChildren( std::bind( &KIGFX::VIEW::Remove, view, _1 ) );

    // Retrieve last module state from undo list
    lastcmd = GetScreen()->PopCommandFromUndoList();
    wrapper = lastcmd->PopItem();
    module = (MODULE*) wrapper.GetItem();
    delete lastcmd;

    if( module )
    {
        GetBoard()->Add( module, ADD_APPEND );
        view->Add( module );
        module->RunOnChildren( std::bind( &KIGFX::VIEW::Add, view, _1 ) );
        module->ViewUpdate();
    }

    SetCurItem( NULL );

    OnModify();
    m_canvas->Refresh();
}

示例#2

显示文件

文件： libedit_undo_redo.cpp 项目： LDavis4559/kicad-source-mirror

void LIB_EDIT_FRAME::GetComponentFromUndoList( wxCommandEvent& event )
{
    if( GetScreen()->GetUndoCommandCount() <= 0 )
        return;

    PICKED_ITEMS_LIST* lastcmd = new PICKED_ITEMS_LIST();

    LIB_PART*      part = GetCurPart();

    ITEM_PICKER wrapper( part, UR_LIBEDIT );

    lastcmd->PushItem( wrapper );
    GetScreen()->PushCommandToRedoList( lastcmd );

    lastcmd = GetScreen()->PopCommandFromUndoList();

    wrapper = lastcmd->PopItem();

    part = (LIB_PART*     ) wrapper.GetItem();

    // Do not delete the previous part by calling SetCurPart( part ),
    // which calls delete <previous part>.
    // <previous part> is now put in redo list and is owned by this list.
    // Just set the current part to the part which come from the undo list
    m_my_part = part;

    if( !part )
        return;

    if( !m_aliasName.IsEmpty() && !part->HasAlias( m_aliasName ) )
        m_aliasName = part->GetName();

    m_drawItem = NULL;
    UpdateAliasSelectList();
    UpdatePartSelectList();
    SetShowDeMorgan( part->HasConversion() );
    DisplayLibInfos();
    DisplayCmpDoc();
    OnModify();
    m_canvas->Refresh();
}