C++ SCH_SCREEN类代码示例

void SCH_EDIT_FRAME::OnRotate( wxCommandEvent& aEvent )
{
    SCH_SCREEN* screen = GetScreen();
    SCH_ITEM*   item = screen->GetCurItem();

    INSTALL_UNBUFFERED_DC( dc, m_canvas );

    // Allows block rotate operation on hot key.
    if( screen->m_BlockLocate.GetState() != STATE_NO_BLOCK )
    {
        screen->m_BlockLocate.SetCommand( BLOCK_ROTATE );
        HandleBlockEnd( &dc );
        return;
    }

    if( item == NULL )
    {
        // If we didn't get here by a hot key, then something has gone wrong.
        if( aEvent.GetInt() == 0 )
            return;

        EDA_HOTKEY_CLIENT_DATA* data = (EDA_HOTKEY_CLIENT_DATA*) aEvent.GetClientObject();

        wxCHECK_RET( data != NULL, wxT( "Invalid hot key client object." ) );

        item = LocateAndShowItem( data->GetPosition(), SCH_COLLECTOR::RotatableItems,
                                  aEvent.GetInt() );

        // Exit if no item found at the current location or the item is already being edited.
        if( (item == NULL) || (item->GetFlags() != 0) )
            return;
    }

    switch( item->Type() )
    {
    case SCH_COMPONENT_T:
        {
            SCH_COMPONENT* component = static_cast<SCH_COMPONENT*>( item );
            if( aEvent.GetId() == ID_SCH_ROTATE_CLOCKWISE )
                OrientComponent( CMP_ROTATE_CLOCKWISE );
            else if( aEvent.GetId() == ID_SCH_ROTATE_COUNTERCLOCKWISE )
                OrientComponent( CMP_ROTATE_COUNTERCLOCKWISE );
            else
                wxFAIL_MSG( wxT( "Unknown rotate item command ID." ) );

            if( m_autoplaceFields )
                component->AutoAutoplaceFields( GetScreen() );

            m_canvas->Refresh();

            break;
        }

    case SCH_TEXT_T:
    case SCH_LABEL_T:
    case SCH_GLOBAL_LABEL_T:
    case SCH_HIERARCHICAL_LABEL_T:
        m_canvas->MoveCursorToCrossHair();
        ChangeTextOrient( (SCH_TEXT*) item );
        m_canvas->Refresh();
        break;

    case SCH_FIELD_T:
        m_canvas->MoveCursorToCrossHair();
        RotateField( (SCH_FIELD*) item );
        if( item->GetParent()->Type() == SCH_COMPONENT_T )
        {
            // Now that we're moving a field, they're no longer autoplaced.
            SCH_COMPONENT *parent = static_cast<SCH_COMPONENT*>( item->GetParent() );
            parent->ClearFieldsAutoplaced();
        }
        m_canvas->Refresh();
        break;

    case SCH_BITMAP_T:
        RotateImage( (SCH_BITMAP*) item );
        break;

    case SCH_SHEET_T:
        if( !item->IsNew() )    // rotate a sheet during its creation has no sense
        {
            bool retCCW = ( aEvent.GetId() == ID_SCH_ROTATE_COUNTERCLOCKWISE );
            RotateHierarchicalSheet( static_cast<SCH_SHEET*>( item ), retCCW );
        }

        break;

    case SCH_JUNCTION_T:
    case SCH_NO_CONNECT_T:
        // these items are not rotated, because rotation does not change them.
        break;

    default:
        // Other items (wires...) cannot be rotated, at least during creation
        if( item->IsNew() )
            break;

        wxFAIL_MSG( wxString::Format( wxT( "Cannot rotate schematic item type %s." ),
                                      GetChars( item->GetClass() ) ) );
    }
//.........这里部分代码省略.........

XNODE* NETLIST_EXPORTER_GENERIC::makeDesignHeader()
{
    SCH_SCREEN* screen;
    XNODE*     xdesign = node( wxT( "design" ) );
    XNODE*     xtitleBlock;
    XNODE*     xsheet;
    XNODE*     xcomment;
    wxString   sheetTxt;
    wxFileName sourceFileName;

    // the root sheet is a special sheet, call it source
    xdesign->AddChild( node( wxT( "source" ), g_RootSheet->GetScreen()->GetFileName() ) );

    xdesign->AddChild( node( wxT( "date" ), DateAndTime() ) );

    // which Eeschema tool
    xdesign->AddChild( node( wxT( "tool" ), wxT( "Eeschema " ) + GetBuildVersion() ) );

    /*
        Export the sheets information
    */
    SCH_SHEET_LIST sheetList( g_RootSheet );

    for( unsigned i = 0;  i < sheetList.size();  i++ )
    {
        screen = sheetList[i].LastScreen();

        xdesign->AddChild( xsheet = node( wxT( "sheet" ) ) );

        // get the string representation of the sheet index number.
        // Note that sheet->GetIndex() is zero index base and we need to increment the
        // number by one to make it human readable
        sheetTxt.Printf( wxT( "%u" ), i + 1 );
        xsheet->AddAttribute( wxT( "number" ), sheetTxt );
        xsheet->AddAttribute( wxT( "name" ), sheetList[i].PathHumanReadable() );
        xsheet->AddAttribute( wxT( "tstamps" ), sheetList[i].Path() );


        TITLE_BLOCK tb = screen->GetTitleBlock();

        xsheet->AddChild( xtitleBlock = node( wxT( "title_block" ) ) );

        xtitleBlock->AddChild( node( wxT( "title" ), tb.GetTitle() ) );
        xtitleBlock->AddChild( node( wxT( "company" ), tb.GetCompany() ) );
        xtitleBlock->AddChild( node( wxT( "rev" ), tb.GetRevision() ) );
        xtitleBlock->AddChild( node( wxT( "date" ), tb.GetDate() ) );

        // We are going to remove the fileName directories.
        sourceFileName = wxFileName( screen->GetFileName() );
        xtitleBlock->AddChild( node( wxT( "source" ), sourceFileName.GetFullName() ) );

        xtitleBlock->AddChild( xcomment = node( wxT( "comment" ) ) );
        xcomment->AddAttribute( wxT("number"), wxT("1") );
        xcomment->AddAttribute( wxT( "value" ), tb.GetComment1() );

        xtitleBlock->AddChild( xcomment = node( wxT( "comment" ) ) );
        xcomment->AddAttribute( wxT("number"), wxT("2") );
        xcomment->AddAttribute( wxT( "value" ), tb.GetComment2() );

        xtitleBlock->AddChild( xcomment = node( wxT( "comment" ) ) );
        xcomment->AddAttribute( wxT("number"), wxT("3") );
        xcomment->AddAttribute( wxT( "value" ), tb.GetComment3() );

        xtitleBlock->AddChild( xcomment = node( wxT( "comment" ) ) );
        xcomment->AddAttribute( wxT("number"), wxT("4") );
        xcomment->AddAttribute( wxT( "value" ), tb.GetComment4() );
    }

    return xdesign;
}

bool DIALOG_SYMBOL_REMAP::backupProject( REPORTER& aReporter )
{
    static wxString backupFolder = "rescue-backup";

    wxString tmp;
    wxString errorMsg;
    wxFileName srcFileName;
    wxFileName destFileName;
    wxFileName backupPath;
    SCH_SCREENS schematic;

    // Copy backup files to different folder so as not to pollute the project folder.
    destFileName.SetPath( Prj().GetProjectPath() );
    destFileName.AppendDir( backupFolder );
    backupPath = destFileName;

    if( !destFileName.DirExists() )
    {
        if( !destFileName.Mkdir() )
        {
            errorMsg.Printf( _( "Cannot create project remap back up folder \"%s\"." ),
                             destFileName.GetPath() );

            wxMessageDialog dlg( this, errorMsg, _( "Backup Error" ),
                                 wxYES_NO | wxCENTRE | wxRESIZE_BORDER | wxICON_QUESTION );
            dlg.SetYesNoLabels( wxMessageDialog::ButtonLabel( _( "Continue with Rescue" ) ),
                                wxMessageDialog::ButtonLabel( _( "Abort Rescue" ) ) );

            if( dlg.ShowModal() == wxID_NO )
                return false;
        }
    }

    // Time stamp to append to file name in case multiple remappings are performed.
    wxString timeStamp = wxDateTime::Now().Format( "-%Y-%m-%d-%H-%M-%S" );

    // Back up symbol library table.
    srcFileName.SetPath( Prj().GetProjectPath() );
    srcFileName.SetName( SYMBOL_LIB_TABLE::GetSymbolLibTableFileName() );
    destFileName = srcFileName;
    destFileName.AppendDir( backupFolder );
    destFileName.SetName( destFileName.GetName() + timeStamp );

    tmp.Printf( _( "Backing up file \"%s\" to file \"%s\"." ),
                srcFileName.GetFullPath(), destFileName.GetFullPath() );
    aReporter.Report( tmp, REPORTER::RPT_INFO );

    if( wxFileName::Exists( srcFileName.GetFullPath() )
      && !wxCopyFile( srcFileName.GetFullPath(), destFileName.GetFullPath() ) )
    {
        tmp.Printf( _( "Failed to back up file \"%s\".\n" ), srcFileName.GetFullPath() );
        errorMsg += tmp;
    }

    // Back up the schematic files.
    for( SCH_SCREEN* screen = schematic.GetFirst(); screen; screen = schematic.GetNext() )
    {
        destFileName = screen->GetFileName();
        destFileName.SetName( destFileName.GetName() + timeStamp );

        // Check for nest hierarchical schematic paths.
        if( destFileName.GetPath() != backupPath.GetPath() )
        {
            destFileName.SetPath( backupPath.GetPath() );

            wxArrayString srcDirs = wxFileName( screen->GetFileName() ).GetDirs();
            wxArrayString destDirs = wxFileName( Prj().GetProjectPath() ).GetDirs();

            for( size_t i = destDirs.GetCount(); i < srcDirs.GetCount(); i++ )
                destFileName.AppendDir( srcDirs[i] );
        }
        else
        {
            destFileName.AppendDir( backupFolder );
        }

        tmp.Printf( _( "Backing up file \"%s\" to file \"%s\"." ),
                    screen->GetFileName(), destFileName.GetFullPath() );
        aReporter.Report( tmp, REPORTER::RPT_INFO );

        if( !destFileName.DirExists() && !destFileName.Mkdir( wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL ) )
        {
            tmp.Printf( _( "Failed to create backup folder \"%s\"\n" ), destFileName.GetPath() );
            errorMsg += tmp;
            continue;
        }

        if( wxFileName::Exists( screen->GetFileName() )
          && !wxCopyFile( screen->GetFileName(), destFileName.GetFullPath() ) )
        {
            tmp.Printf( _( "Failed to back up file \"%s\".\n" ), screen->GetFileName() );
            errorMsg += tmp;
        }
    }

    // Back up the project file.
    destFileName = Prj().GetProjectFullName();
    destFileName.SetName( destFileName.GetName() + timeStamp );
    destFileName.AppendDir( backupFolder );

//.........这里部分代码省略.........

//.........这里部分代码省略.........
        else if( paperType.Contains( PAGE_INFO::USLegal ) )
            success = m_pageInfo.SetType( PAGE_INFO::USLegal );
        else if( paperType.Contains( PAGE_INFO::USLedger ) )
            success = m_pageInfo.SetType( PAGE_INFO::USLedger );
        else if( paperType.Contains( PAGE_INFO::GERBER ) )
            success = m_pageInfo.SetType( PAGE_INFO::GERBER );
        else if( paperType.Contains( PAGE_INFO::A4 ) )
            success = m_pageInfo.SetType( PAGE_INFO::A4 );
        else if( paperType.Contains( PAGE_INFO::A3 ) )
            success = m_pageInfo.SetType( PAGE_INFO::A3 );
        else if( paperType.Contains( PAGE_INFO::A2 ) )
            success = m_pageInfo.SetType( PAGE_INFO::A2 );
        else if( paperType.Contains( PAGE_INFO::A1 ) )
            success = m_pageInfo.SetType( PAGE_INFO::A1 );
        else if( paperType.Contains( PAGE_INFO::A0 ) )
            success = m_pageInfo.SetType( PAGE_INFO::A0 );
        else if( paperType.Contains( PAGE_INFO::A ) )
            success = m_pageInfo.SetType( PAGE_INFO::A );
        else if( paperType.Contains( PAGE_INFO::B ) )
            success = m_pageInfo.SetType( PAGE_INFO::B );
        else if( paperType.Contains( PAGE_INFO::C ) )
            success = m_pageInfo.SetType( PAGE_INFO::C );
        else if( paperType.Contains( PAGE_INFO::D ) )
            success = m_pageInfo.SetType( PAGE_INFO::D );
        else if( paperType.Contains( PAGE_INFO::E ) )
            success = m_pageInfo.SetType( PAGE_INFO::E );

        if( success )
        {
            int choice = m_orientationComboBox->GetSelection();
            m_pageInfo.SetPortrait( choice != 0 );
        }
    }

    if( !success )
    {
        wxASSERT_MSG( false, _( "the translation for paper size must preserve original spellings" ) );
        m_pageInfo.SetType( PAGE_INFO::A4 );
    }

    m_parent->SetPageSettings( m_pageInfo );

    m_tb.SetRevision( m_TextRevision->GetValue() );
    m_tb.SetDate(     m_TextDate->GetValue() );
    m_tb.SetCompany(  m_TextCompany->GetValue() );
    m_tb.SetTitle(    m_TextTitle->GetValue() );
    m_tb.SetComment1( m_TextComment1->GetValue() );
    m_tb.SetComment2( m_TextComment2->GetValue() );
    m_tb.SetComment3( m_TextComment3->GetValue() );
    m_tb.SetComment4( m_TextComment4->GetValue() );

    m_parent->SetTitleBlock( m_tb );


#ifdef EESCHEMA
    // Exports settings to other sheets if requested:
    SCH_SCREEN* screen;

    // Build the screen list
    SCH_SCREENS ScreenList;

    // Update title blocks for all screens
    for( screen = ScreenList.GetFirst(); screen != NULL; screen = ScreenList.GetNext() )
    {
        if( screen == m_screen )
            continue;

        TITLE_BLOCK tb2 = screen->GetTitleBlock();

        if( m_RevisionExport->IsChecked() )
            tb2.SetRevision( m_tb.GetRevision() );

        if( m_DateExport->IsChecked() )
            tb2.SetDate( m_tb.GetDate() );

        if( m_TitleExport->IsChecked() )
            tb2.SetTitle( m_tb.GetTitle() );

        if( m_CompanyExport->IsChecked() )
            tb2.SetCompany( m_tb.GetCompany() );

        if( m_Comment1Export->IsChecked() )
            tb2.SetComment1( m_tb.GetComment1() );

        if( m_Comment2Export->IsChecked() )
            tb2.SetComment2( m_tb.GetComment2() );

        if( m_Comment3Export->IsChecked() )
            tb2.SetComment3( m_tb.GetComment3() );

        if( m_Comment4Export->IsChecked() )
            tb2.SetComment4( m_tb.GetComment4() );

        screen->SetTitleBlock( tb2 );
    }

#endif

    return true;
}

bool SCH_EDIT_FRAME::OpenProjectFiles( const std::vector<wxString>& aFileSet, int aCtl )
{
    // implement the pseudo code from KIWAY_PLAYER.h:

    SCH_SCREENS screenList;

    // This is for python:
    if( aFileSet.size() != 1 )
    {
        UTF8 msg = StrPrintf( "Eeschema:%s() takes only a single filename", __func__ );
        DisplayError( this, msg );
        return false;
    }

    wxString    fullFileName( aFileSet[0] );

    // We insist on caller sending us an absolute path, if it does not, we say it's a bug.
    wxASSERT_MSG( wxFileName( fullFileName ).IsAbsolute(),
        wxT( "bug in single_top.cpp or project manager." ) );

    if( !LockFile( fullFileName ) )
    {
        wxString msg = wxString::Format( _(
                "Schematic file '%s' is already open." ),
                GetChars( fullFileName )
                );
        DisplayError( this, msg );
        return false;
    }

    // save any currently open and modified project files.
    for( SCH_SCREEN* screen = screenList.GetFirst(); screen; screen = screenList.GetNext() )
    {
        if( screen->IsModify() )
        {
            int response = YesNoCancelDialog( this, _(
                "The current schematic has been modified.  Do you wish to save the changes?" ),
                wxEmptyString,
                _( "Save and Load" ),
                _( "Load Without Saving" )
                );

            if( response == wxID_CANCEL )
            {
                return false;
            }
            else if( response == wxID_YES )
            {
                wxCommandEvent dummy;
                OnSaveProject( dummy );
            }
            else
            {
                // response == wxID_NO, fall thru
            }
            break;
        }
    }

    wxFileName pro = fullFileName;
    pro.SetExt( ProjectFileExtension );

    bool is_new = !wxFileName::IsFileReadable( fullFileName );

    // If its a non-existent schematic and caller thinks it exists
    if( is_new && !( aCtl & KICTL_CREATE ) )
    {
        // notify user that fullFileName does not exist, ask if user wants to create it.
        wxString ask = wxString::Format( _(
                "Schematic '%s' does not exist.  Do you wish to create it?" ),
                GetChars( fullFileName )
                );
        if( !IsOK( this, ask ) )
            return false;
    }

    // unload current project file before loading new
    {
        delete g_RootSheet;
        g_RootSheet = NULL;

        CreateScreens();
    }

    GetScreen()->SetFileName( fullFileName );
    g_RootSheet->SetFileName( fullFileName );

    SetStatusText( wxEmptyString );
    ClearMsgPanel();

    wxString msg = wxString::Format( _(
            "Ready\nProject dir: '%s'\n" ),
            GetChars( wxPathOnly( Prj().GetProjectFullName() ) )
            );
    SetStatusText( msg );

    // PROJECT::SetProjectFullName() is an impactful function.  It should only be
    // called under carefully considered circumstances.

    // The calling code should know not to ask me here to change projects unless
//.........这里部分代码省略.........

void SCH_EDIT_FRAME::OnOrient( wxCommandEvent& aEvent )
{
    SCH_SCREEN* screen = GetScreen();
    SCH_ITEM*   item   = screen->GetCurItem();

    INSTALL_UNBUFFERED_DC( dc, m_canvas );

    // Allows block rotate operation on hot key.
    if( screen->m_BlockLocate.GetState() != STATE_NO_BLOCK )
    {
        if( aEvent.GetId() == ID_SCH_MIRROR_X )
        {
            m_canvas->MoveCursorToCrossHair();
            screen->m_BlockLocate.SetMessageBlock( this );
            screen->m_BlockLocate.SetCommand( BLOCK_MIRROR_X );
            HandleBlockEnd( &dc );
        }
        else if( aEvent.GetId() == ID_SCH_MIRROR_Y )
        {
            m_canvas->MoveCursorToCrossHair();
            screen->m_BlockLocate.SetMessageBlock( this );
            screen->m_BlockLocate.SetCommand( BLOCK_MIRROR_Y );
            HandleBlockEnd( &dc );
        }
        else
        {
            wxFAIL_MSG( wxT( "Unknown block oriention command ID." ) );
        }

        return;
    }

    if( item == NULL )
    {
        // If we didn't get here by a hot key, then something has gone wrong.
        if( aEvent.GetInt() == 0 )
            return;

        EDA_HOTKEY_CLIENT_DATA* data = (EDA_HOTKEY_CLIENT_DATA*) aEvent.GetClientObject();

        wxCHECK_RET( data != NULL, wxT( "Invalid hot key client object." ) );

        item = LocateAndShowItem( data->GetPosition(), SCH_COLLECTOR::OrientableItems,
                                  aEvent.GetInt() );

        // Exit if no item found at the current location or the item is already being edited.
        if( (item == NULL) || (item->GetFlags() != 0) )
            return;
    }


    switch( item->Type() )
    {
    case SCH_COMPONENT_T:
        if( aEvent.GetId() == ID_SCH_MIRROR_X )
            OrientComponent( CMP_MIRROR_X );
        else if( aEvent.GetId() == ID_SCH_MIRROR_Y )
            OrientComponent( CMP_MIRROR_Y );
        else if( aEvent.GetId() == ID_SCH_ORIENT_NORMAL )
            OrientComponent( CMP_NORMAL );
        else
            wxFAIL_MSG( wxT( "Invalid orient schematic component command ID." ) );

        break;

    case SCH_BITMAP_T:
        if( aEvent.GetId() == ID_SCH_MIRROR_X )
            MirrorImage( (SCH_BITMAP*) item, true );
        else if( aEvent.GetId() == ID_SCH_MIRROR_Y )
            MirrorImage( (SCH_BITMAP*) item, false );

        break;

    default:
        wxFAIL_MSG( wxString::Format( wxT( "Schematic object type %s cannot be oriented." ),
                                      GetChars( item->GetClass() ) ) );
    }

    if( item->GetFlags() == 0 )
        screen->SetCurItem( NULL );
}

bool SCH_EDIT_FRAME::LoadOneEEProject( const wxString& aFileName, bool aIsNew )
{
    SCH_SCREEN* screen;
    wxString    FullFileName, msg;
    bool        LibCacheExist = false;
    SCH_SCREENS ScreenList;

    for( screen = ScreenList.GetFirst(); screen != NULL; screen = ScreenList.GetNext() )
    {
        if( screen->IsModify() )
            break;
    }

    if( screen )
    {
        int response = YesNoCancelDialog( this, _( "The current schematic has been modified.  Do "
                                                   "you wish to save the changes?" ),
                                          wxEmptyString,
                                          _( "Save and Load" ), _( "Load Without Saving" ) );

        if( response == wxID_CANCEL )
        {
            return false;
        }
        else if( response == wxID_YES )
        {
            wxCommandEvent dummy;
            OnSaveProject( dummy );
        }
    }

    FullFileName = aFileName;

    if( FullFileName.IsEmpty() && !aIsNew )
    {
        wxFileDialog dlg( this, _( "Open Schematic" ), wxGetCwd(),
                          wxEmptyString, SchematicFileWildcard,
                          wxFD_OPEN | wxFD_FILE_MUST_EXIST );

        if( dlg.ShowModal() == wxID_CANCEL )
            return false;

        FullFileName = dlg.GetPath();
    }

    wxFileName fn = FullFileName;

    if( fn.IsRelative() )
    {
        fn.MakeAbsolute();
        FullFileName = fn.GetFullPath();
    }

    if( !wxGetApp().LockFile( FullFileName ) )
    {
        DisplayError( this, _( "This file is already open." ) );
        return false;
    }

    // Clear the screen before open a new file
    if( g_RootSheet )
    {
        delete g_RootSheet;
        g_RootSheet = NULL;
    }

    CreateScreens();
    screen = GetScreen();

    wxLogDebug( wxT( "Loading schematic " ) + FullFileName );
    wxSetWorkingDirectory( fn.GetPath() );

    screen->SetFileName( FullFileName );
    g_RootSheet->SetFileName( FullFileName );
    SetStatusText( wxEmptyString );
    ClearMsgPanel();

    screen->ClrModify();

    if( aIsNew )
    {
        /* SCH_SCREEN constructor does this now
        screen->SetPageSettings( PAGE_INFO( wxT( "A4" ) ) );
        */

        screen->SetZoom( 32 );
        screen->SetGrid( ID_POPUP_GRID_LEVEL_1000 + m_LastGridSizeId  );

        TITLE_BLOCK tb;
        wxString    title;

        title += NAMELESS_PROJECT;
        title += wxT( ".sch" );
        tb.SetTitle( title );
        screen->SetTitleBlock( tb );

        GetScreen()->SetFileName( title );

        LoadProjectFile( wxEmptyString, true );
        Zoom_Automatique( false );
//.........这里部分代码省略.........

/*
 * Hot keys. Some commands are relative to the item under the mouse cursor
 * Commands are case insensitive
 */
bool SCH_EDIT_FRAME::OnHotKey( wxDC* aDC, int aHotKey, const wxPoint& aPosition, EDA_ITEM* aItem )
{
    if( aHotKey == 0 )
        return false;

    wxCommandEvent cmd( wxEVT_COMMAND_MENU_SELECTED );

    SCH_SCREEN* screen = GetScreen();

    // itemInEdit == false means no item currently edited. We can ask for editing a new item
    bool itemInEdit = screen->GetCurItem() && screen->GetCurItem()->GetFlags();

    // blocInProgress == false means no block in progress.
    // Because a drag command uses a drag block, false means also no drag in progress
    // If false, we can ask for editing a new item
    bool blocInProgress = screen->m_BlockLocate.GetState() != STATE_NO_BLOCK;

    // notBusy == true means no item currently edited and no other command in progress
    // We can change active tool and ask for editing a new item
    bool notBusy = (!itemInEdit) && (!blocInProgress);

    /* Convert lower to upper case (the usual toupper function has problem
     * with non ascii codes like function keys */
    if( (aHotKey >= 'a') && (aHotKey <= 'z') )
        aHotKey += 'A' - 'a';

    // Search command from key :
    EDA_HOTKEY* hotKey = GetDescriptorFromHotkey( aHotKey, common_Hotkey_List );

    if( hotKey == NULL )
        hotKey = GetDescriptorFromHotkey( aHotKey, schematic_Hotkey_List );

    if( hotKey == NULL )
        return false;

    switch( hotKey->m_Idcommand )
    {
    default:
    case HK_NOT_FOUND:
        return false;

    case HK_HELP:       // Display Current hotkey list
        DisplayHotkeyList( this, g_Schematic_Hokeys_Descr );
        break;

    case HK_RESET_LOCAL_COORD:         // Reset the relative coord
        GetScreen()->m_O_Curseur = GetCrossHairPosition();
        break;

    case ID_HOTKEY_HIGHLIGHT:
        if( notBusy )
            HighlightConnectionAtPosition( GetCrossHairPosition() );
        break;

    case HK_LEFT_CLICK:
    case HK_LEFT_DCLICK:    // Simulate a double left click: generate 2 events
        if( screen->m_BlockLocate.GetState() == STATE_BLOCK_MOVE )
        {
            GetCanvas()->SetAutoPanRequest( false );
            HandleBlockPlace( aDC );
        }
        else if( screen->m_BlockLocate.GetState() == STATE_NO_BLOCK )
        {
            OnLeftClick( aDC, aPosition );

            if( hotKey->m_Idcommand == HK_LEFT_DCLICK )
                OnLeftDClick( aDC, aPosition );
        }
        break;

    case HK_ZOOM_IN:
    case HK_ZOOM_OUT:
    case HK_ZOOM_REDRAW:
    case HK_ZOOM_CENTER:
    case HK_ZOOM_AUTO:
    case HK_ZOOM_SELECTION:
    case HK_MOVEBLOCK_TO_DRAGBLOCK:          // Switch to drag mode, when block moving
    case HK_SAVE_BLOCK:                      // Copy block to paste buffer.
        cmd.SetId( hotKey->m_IdMenuEvent );
        GetEventHandler()->ProcessEvent( cmd );
        break;

    case HK_DELETE:
        if( notBusy )
            DeleteItemAtCrossHair( aDC );
        break;

    case HK_REPEAT_LAST:
        if( notBusy )
            RepeatDrawItem( aDC );
        break;

    case HK_END_CURR_LINEWIREBUS:
        // this key terminates a new line/bus/wire in progress
        if( aItem && aItem->IsNew() &&
            aItem->Type() == SCH_LINE_T )
//.........这里部分代码省略.........

void LIB_EDIT_FRAME::GeneralControl( wxDC* aDC, const wxPoint& aPosition, int aHotKey )
{
    wxRealPoint gridSize;
    SCH_SCREEN* screen = GetScreen();
    wxPoint     oldpos;
    wxPoint     pos = aPosition;

    // when moving mouse, use the "magnetic" grid, unless the shift+ctrl keys is pressed
    // for next cursor position
    // ( shift or ctrl key down are PAN command with mouse wheel)
    bool snapToGrid = true;
    if( !aHotKey && wxGetKeyState( WXK_SHIFT ) && wxGetKeyState( WXK_CONTROL ) )
        snapToGrid = false;

    // Cursor is left off grid only if no block in progress
    if( GetScreen()->m_BlockLocate.GetState() != STATE_NO_BLOCK )
        snapToGrid = true;

    if( snapToGrid )
        pos = screen->GetNearestGridPosition( pos );

    oldpos = screen->GetCrossHairPosition();
    gridSize = screen->GetGridSize();

    switch( aHotKey )
    {
    case 0:
        break;

    case WXK_NUMPAD8:
    case WXK_UP:
        pos.y -= KiROUND( gridSize.y );
        m_canvas->MoveCursor( pos );
        break;

    case WXK_NUMPAD2:
    case WXK_DOWN:
        pos.y += KiROUND( gridSize.y );
        m_canvas->MoveCursor( pos );
        break;

    case WXK_NUMPAD4:
    case WXK_LEFT:
        pos.x -= KiROUND( gridSize.x );
        m_canvas->MoveCursor( pos );
        break;

    case WXK_NUMPAD6:
    case WXK_RIGHT:
        pos.x += KiROUND( gridSize.x );
        m_canvas->MoveCursor( pos );
        break;

    default:
        break;
    }

    // Update the cursor position.
    screen->SetCrossHairPosition( pos, snapToGrid );

    if( oldpos != screen->GetCrossHairPosition() )
    {
        pos = screen->GetCrossHairPosition();
        screen->SetCrossHairPosition( oldpos, false );
        m_canvas->CrossHairOff( aDC );
        screen->SetCrossHairPosition( pos, snapToGrid );
        m_canvas->CrossHairOn( aDC );

        if( m_canvas->IsMouseCaptured() )
        {
#ifdef USE_WX_OVERLAY
            wxDCOverlay oDC( m_overlay, (wxWindowDC*)aDC );
            oDC.Clear();
            m_canvas->CallMouseCapture( aDC, aPosition, false );
#else
            m_canvas->CallMouseCapture( aDC, aPosition, true );
#endif
        }
#ifdef USE_WX_OVERLAY
        else
        {
            m_overlay.Reset();
        }
#endif
    }

    if( aHotKey )
    {
        OnHotKey( aDC, aHotKey, aPosition, NULL );
    }

    UpdateStatusBar();
}

/*
 * OnConvertTextType is a command event handler to change a text type to an other one.
 * The new text, label, hierarchical label, or global label is created from the old text
 * The old text is deleted.
 * A tricky case is when the 'old" text is being edited (i.e. moving)
 * because we must create a new text, and prepare the undo/redo command data for this
 * change and the current move/edit command
 */
void SCH_EDIT_FRAME::OnConvertTextType( wxCommandEvent& aEvent )
{
    SCH_SCREEN* screen = GetScreen();
    SCH_TEXT* text = (SCH_TEXT*) screen->GetCurItem();

    wxCHECK_RET( (text != NULL) && text->CanIncrementLabel(),
                 wxT( "Cannot convert text type." ) );

    KICAD_T type;

    switch( aEvent.GetId() )
    {
    case ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_LABEL:
        type = SCH_LABEL_T;
        break;

    case ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_GLABEL:
        type = SCH_GLOBAL_LABEL_T;
        break;

    case ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_HLABEL:
        type = SCH_HIERARCHICAL_LABEL_T;
        break;

    case ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_COMMENT:
        type = SCH_TEXT_T;
        break;

    default:
        wxFAIL_MSG( wxString::Format( wxT( "Invalid text type command ID %d." ),
                                      aEvent.GetId() ) );
        return;
    }

    if( text->Type() == type )
        return;

    SCH_TEXT* newtext;
    const wxPoint &position = text->GetPosition();
    const wxString &txt = text->GetText();

    switch( type )
    {
    case SCH_LABEL_T:
        newtext = new SCH_LABEL( position, txt );
        break;

    case SCH_GLOBAL_LABEL_T:
        newtext = new SCH_GLOBALLABEL( position, txt );
        break;

    case SCH_HIERARCHICAL_LABEL_T:
        newtext = new SCH_HIERLABEL( position, txt );
        break;

    case SCH_TEXT_T:
        newtext = new SCH_TEXT( position, txt );
        break;

    default:
        newtext = NULL;
        wxFAIL_MSG( wxString::Format( wxT( "Cannot convert text type to %d" ), type ) );
        return;
    }

    /* Copy the old text item settings to the new one.  Justifications are not copied because
     * they are not used in labels.  Justifications will be set to default value in the new
     * text item type.
     */
    newtext->SetFlags( text->GetFlags() );
    newtext->SetShape( text->GetShape() );
    newtext->SetOrientation( text->GetOrientation() );
    newtext->SetSize( text->GetSize() );
    newtext->SetThickness( text->GetThickness() );
    newtext->SetItalic( text->IsItalic() );
    newtext->SetBold( text->IsBold() );

    /* Save the new text in undo list if the old text was not itself a "new created text"
     * In this case, the old text is already in undo list as a deleted item.
     * Of course if the old text was a "new created text" the new text will be
     * put in undo list later, at the end of the current command (if not aborted)
     */

    INSTALL_UNBUFFERED_DC( dc, m_canvas );
    m_canvas->CrossHairOff( &dc );   // Erase schematic cursor
    text->Draw( m_canvas, &dc, wxPoint( 0, 0 ), g_XorMode );

    // For an exiting item (i.e. already in list):
    // replace the existing item by the new text in list
    for( SCH_ITEM* item = screen->GetDrawItems(); item != NULL; item = item->Next() )
    {
        if( item == text )
//.........这里部分代码省略.........

void DIALOG_PLOT_SCHEMATIC::createHPGLFile( bool aPlotAll, bool aPlotFrameRef )
{
    SCH_SCREEN*     screen = m_parent->GetScreen();
    SCH_SHEET_PATH  oldsheetpath = m_parent->GetCurrentSheet();

    /* When printing all pages, the printed page is not the current page.
     *  In complex hierarchies, we must setup references and other parameters
     *  in the printed SCH_SCREEN
     *  because in complex hierarchies a SCH_SCREEN (a schematic drawings)
     *  is shared between many sheets
     */
    SCH_SHEET_LIST  sheetList;

    if( aPlotAll )
        sheetList.BuildSheetList( g_RootSheet );
    else
        sheetList.push_back( m_parent->GetCurrentSheet() );

    REPORTER& reporter = m_MessagesBox->Reporter();

    SetHPGLPenWidth();

    for( unsigned i = 0; i < sheetList.size(); i++ )
    {
        m_parent->SetCurrentSheet( sheetList[i] );
        m_parent->GetCurrentSheet().UpdateAllScreenReferences();
        m_parent->SetSheetNumberAndCount();

        screen = m_parent->GetCurrentSheet().LastScreen();

        if( !screen ) // LastScreen() may return NULL
            screen = m_parent->GetScreen();

        const PAGE_INFO&    curPage = screen->GetPageSettings();

        PAGE_INFO           plotPage = curPage;

        // if plotting on a page size other than curPage
        if( m_HPGLPaperSizeOption->GetSelection() != PAGE_DEFAULT )
            plotPage.SetType( plot_sheet_list( m_HPGLPaperSizeOption->GetSelection() ) );

        // Calculation of conversion scales.
        double  plot_scale = (double) plotPage.GetWidthMils() / curPage.GetWidthMils();

        // Calculate offsets
        wxPoint plotOffset;
        wxString msg;

        if( GetPlotOriginCenter() )
        {
            plotOffset.x    = plotPage.GetWidthIU() / 2;
            plotOffset.y    = -plotPage.GetHeightIU() / 2;
        }

        try
        {
            wxString fname = m_parent->GetUniqueFilenameForCurrentSheet();
            wxString ext = HPGL_PLOTTER::GetDefaultFileExtension();
            wxFileName plotFileName = createPlotFileName( m_outputDirectoryName, fname,
                                                          ext, &reporter );

            LOCALE_IO toggle;

            if( Plot_1_Page_HPGL( plotFileName.GetFullPath(), screen, plotPage, plotOffset,
                                  plot_scale, aPlotFrameRef ) )
            {
                msg.Printf( _( "Plot: '%s' OK.\n" ), GetChars( plotFileName.GetFullPath() ) );
                reporter.Report( msg, REPORTER::RPT_ACTION );
            }
            else
            {
                msg.Printf( _( "Unable to create file '%s'.\n" ),
                            GetChars( plotFileName.GetFullPath() ) );
                reporter.Report( msg, REPORTER::RPT_ERROR );
            }
        }
        catch( IO_ERROR& e )
        {
            msg.Printf( wxT( "HPGL Plotter exception: %s"), GetChars( e.errorText ) );
            reporter.Report( msg, REPORTER::RPT_ERROR );
        }

    }

    m_parent->SetCurrentSheet( oldsheetpath );
    m_parent->GetCurrentSheet().UpdateAllScreenReferences();
    m_parent->SetSheetNumberAndCount();
}

void SCH_SCREENS::TestDanglingEnds()
{
    for( SCH_SCREEN* screen = GetFirst(); screen; screen = GetNext() )
        screen->TestDanglingEnds();
}

void SCH_SCREENS::UpdateSymbolLinks( bool aForce )
{
    for( SCH_SCREEN* screen = GetFirst(); screen; screen = GetNext() )
        screen->UpdateSymbolLinks( aForce );
}

void Diagnose( NETLIST_OBJECT* aNetItemRef, NETLIST_OBJECT* aNetItemTst,
               int aMinConn, int aDiag )
{
    SCH_MARKER*     marker = NULL;
    SCH_SCREEN*     screen;
    ELECTRICAL_PINTYPE ii, jj;

    if( aDiag == OK || aMinConn < 1 )
        return;

    /* Create new marker for ERC error. */
    marker = new SCH_MARKER();
    marker->SetTimeStamp( GetNewTimeStamp() );

    marker->SetMarkerType( MARKER_BASE::MARKER_ERC );
    marker->SetErrorLevel( MARKER_BASE::MARKER_SEVERITY_WARNING );
    screen = aNetItemRef->m_SheetPath.LastScreen();
    screen->Append( marker );

    wxString msg;

    ii = aNetItemRef->m_ElectricalPinType;

    wxString cmp_ref( "?" );

    if( aNetItemRef->m_Type == NET_PIN && aNetItemRef->m_Link )
        cmp_ref = aNetItemRef->GetComponentParent()->GetRef( &aNetItemRef->m_SheetPath );

    if( aNetItemTst == NULL )
    {
        if( aMinConn == NOD )    /* Nothing driving the net. */
        {
            if( aNetItemRef->m_Type == NET_PIN && aNetItemRef->m_Link )
                cmp_ref = aNetItemRef->GetComponentParent()->GetRef(
                    &aNetItemRef->m_SheetPath );

            msg.Printf( _( "Pin %s (%s) of component %s is not driven (Net %d)." ),
                        aNetItemRef->m_PinNum,
                        GetChars( GetText( ii ) ),
                        GetChars( cmp_ref ),
                        aNetItemRef->GetNet() );
            marker->SetData( ERCE_PIN_NOT_DRIVEN,
                             aNetItemRef->m_Start,
                             msg,
                             aNetItemRef->m_Start );
            return;
        }
    }

    if( aNetItemTst )         /* Error between 2 pins */
    {
        jj = aNetItemTst->m_ElectricalPinType;
        int errortype = ERCE_PIN_TO_PIN_WARNING;

        if( aDiag == ERR )
        {
            marker->SetErrorLevel( MARKER_BASE::MARKER_SEVERITY_ERROR );
            errortype = ERCE_PIN_TO_PIN_ERROR;
        }

        wxString alt_cmp( "?" );

        if( aNetItemTst->m_Type == NET_PIN && aNetItemTst->m_Link )
            alt_cmp = aNetItemTst->GetComponentParent()->GetRef( &aNetItemTst->m_SheetPath );

        msg.Printf( _( "Pin %s (%s) of component %s is connected to " ),
                    aNetItemRef->m_PinNum,
                    GetChars( GetText( ii ) ),
                    GetChars( cmp_ref ) );
        marker->SetData( errortype, aNetItemRef->m_Start, msg, aNetItemRef->m_Start );
        msg.Printf( _( "pin %s (%s) of component %s (net %d)." ),
                    aNetItemTst->m_PinNum,
                    GetChars( GetText( jj ) ),
                    GetChars( alt_cmp ),
                    aNetItemRef->GetNet() );
        marker->SetAuxiliaryData( msg, aNetItemTst->m_Start );
    }
}

void Diagnose( NETLIST_OBJECT* aNetItemRef, NETLIST_OBJECT* aNetItemTst,
               int aMinConn, int aDiag )
{
    SCH_MARKER* marker = NULL;
    SCH_SCREEN* screen;
    int         ii, jj;

    if( aDiag == OK )
        return;

    /* Create new marker for ERC error. */
    marker = new SCH_MARKER();
    marker->SetTimeStamp( GetNewTimeStamp() );

    marker->SetMarkerType( MARK_ERC );
    marker->SetErrorLevel( WAR );
    screen = aNetItemRef->m_SheetPath.LastScreen();
    screen->Append( marker );

    wxString msg;

    if( aMinConn < 0 )
    {
        if( (aNetItemRef->m_Type == NET_HIERLABEL)
            || (aNetItemRef->m_Type == NET_HIERBUSLABELMEMBER) )
        {
            msg.Printf( _( "Hierarchical label %s is not connected to a sheet label." ),
                        GetChars( aNetItemRef->m_Label ) );
        }
        else
        {
            msg.Printf( _( "Sheet label %s is not connected to a hierarchical label." ),
                        GetChars( aNetItemRef->m_Label ) );
        }


        marker->SetData( ERCE_HIERACHICAL_LABEL,
                         aNetItemRef->m_Start,
                         msg,
                         aNetItemRef->m_Start );
        return;
    }

    ii = aNetItemRef->m_ElectricalType;

    wxString string_pinnum, cmp_ref;
    char     ascii_buf[5];
    ascii_buf[4] = 0;
    memcpy( ascii_buf, &aNetItemRef->m_PinNum, 4 );
    string_pinnum = FROM_UTF8( ascii_buf );
    cmp_ref = wxT( "?" );

    if( aNetItemRef->m_Type == NET_PIN && aNetItemRef->m_Link )
        cmp_ref = aNetItemRef->GetComponentParent()->GetRef( &aNetItemRef->m_SheetPath );

    if( aNetItemTst == NULL )
    {
        if( aMinConn == NOC )    /* Only 1 element in the net. */
        {
            msg.Printf( _( "Pin %s (%s) of component %s is unconnected." ),
                        GetChars( string_pinnum ), MsgPinElectricType[ii], GetChars( cmp_ref ) );
            marker->SetData( ERCE_PIN_NOT_CONNECTED,
                             aNetItemRef->m_Start,
                             msg,
                             aNetItemRef->m_Start );
            return;
        }

        if( aMinConn == NOD )    /* Nothing driving the net. */
        {
            if( aNetItemRef->m_Type == NET_PIN && aNetItemRef->m_Link )
                cmp_ref = aNetItemRef->GetComponentParent()->GetRef(
                    &aNetItemRef->m_SheetPath );

            msg.Printf( _( "Pin %s (%s) of component %s is not driven (Net %d)." ),
                        GetChars( string_pinnum ), MsgPinElectricType[ii], GetChars( cmp_ref ),
                        aNetItemRef->GetNet() );
            marker->SetData( ERCE_PIN_NOT_DRIVEN,
                             aNetItemRef->m_Start,
                             msg,
                             aNetItemRef->m_Start );
            return;
        }

        if( aDiag == UNC )
        {
            msg.Printf( _( "More than 1 pin connected to an UnConnect symbol." ) );
            marker->SetData( ERCE_NOCONNECT_CONNECTED,
                             aNetItemRef->m_Start,
                             msg,
                             aNetItemRef->m_Start );
            return;
        }
    }

    if( aNetItemTst )         /* Error between 2 pins */
    {
        jj = aNetItemTst->m_ElectricalType;
        int errortype = ERCE_PIN_TO_PIN_WARNING;

//.........这里部分代码省略.........