int SCH_SCREEN::GetConnection( const wxPoint& aPosition, PICKED_ITEMS_LIST& aList,
                               bool aFullConnection )
{
    SCH_ITEM* item;
    EDA_ITEM* tmp;
    EDA_ITEMS list;

    // Clear flags member for all items.
    ClearDrawingState();
    BreakSegmentsOnJunctions();

    if( GetNode( aPosition, list ) == 0 )
        return 0;

    for( size_t i = 0;  i < list.size();  i++ )
    {
        item = (SCH_ITEM*) list[ i ];
        item->SetFlags( SELECTEDNODE | STRUCT_DELETED );

        /* Put this structure in the picked list: */
        ITEM_PICKER picker( item, UR_DELETED );
        aList.PushItem( picker );
    }

    // Mark all wires, junctions, .. connected to the item(s) found.
    if( aFullConnection )
    {
        SCH_LINE* segment;

        for( item = m_drawList.begin(); item; item = item->Next() )
        {
            if( !(item->GetFlags() & SELECTEDNODE) )
                continue;

            if( item->Type() != SCH_LINE_T )
                continue;

            MarkConnections( (SCH_LINE*) item );
        }

        // Search all attached wires (i.e wire with one new dangling end )
        for( item = m_drawList.begin(); item; item = item->Next() )
        {
            bool noconnect = false;

            if( item->GetFlags() & STRUCT_DELETED )
                continue;                                   // Already seen

            if( !(item->GetFlags() & CANDIDATE) )
                continue;                                   // not a candidate

            if( item->Type() != SCH_LINE_T )
                continue;

            item->SetFlags( SKIP_STRUCT );

            segment = (SCH_LINE*) item;

            /* If the wire start point is connected to a wire that was already found
             * and now is not connected, add the wire to the list. */
            for( tmp = m_drawList.begin(); tmp; tmp = tmp->Next() )
            {
                // Ensure tmp is a previously deleted segment:
                if( ( tmp->GetFlags() & STRUCT_DELETED ) == 0 )
                    continue;

                if( tmp->Type() != SCH_LINE_T )
                    continue;

                SCH_LINE* testSegment = (SCH_LINE*) tmp;

               // Test for segment connected to the previously deleted segment:
                if( testSegment->IsEndPoint( segment->GetStartPoint() ) )
                    break;
            }

            // when tmp != NULL, segment is a new candidate:
            // put it in deleted list if
            // the start point is not connected to an other item (like pin)
            if( tmp && !CountConnectedItems( segment->GetStartPoint(), true ) )
                noconnect = true;

            /* If the wire end point is connected to a wire that has already been found
             * and now is not connected, add the wire to the list. */
            for( tmp = m_drawList.begin(); tmp; tmp = tmp->Next() )
            {
                // Ensure tmp is a previously deleted segment:
                if( ( tmp->GetFlags() & STRUCT_DELETED ) == 0 )
                    continue;

                if( tmp->Type() != SCH_LINE_T )
                    continue;

                SCH_LINE* testSegment = (SCH_LINE*) tmp;

                // Test for segment connected to the previously deleted segment:
                if( testSegment->IsEndPoint( segment->GetEndPoint() ) )
                    break;
            }

            // when tmp != NULL, segment is a new candidate:
            // put it in deleted list if
            // the end point is not connected to an other item (like pin)
            if( tmp && !CountConnectedItems( segment->GetEndPoint(), true ) )
                noconnect = true;

            item->ClearFlags( SKIP_STRUCT );

            if( noconnect )
            {
                item->SetFlags( STRUCT_DELETED );

                ITEM_PICKER picker( item, UR_DELETED );
                aList.PushItem( picker );

                item = m_drawList.begin();
            }
        }

        // Get redundant junctions (junctions which connect < 3 end wires
        // and no pin)
        for( item = m_drawList.begin(); item; item = item->Next() )
        {
            if( item->GetFlags() & STRUCT_DELETED )
                continue;

            if( !(item->GetFlags() & CANDIDATE) )
                continue;

            if( item->Type() != SCH_JUNCTION_T )
                continue;

            SCH_JUNCTION* junction = (SCH_JUNCTION*) item;

            if( CountConnectedItems( junction->GetPosition(), false ) <= 2 )
            {
                item->SetFlags( STRUCT_DELETED );

                ITEM_PICKER picker( item, UR_DELETED );
                aList.PushItem( picker );
            }
        }

        for( item = m_drawList.begin(); item;  item = item->Next() )
        {
            if( item->GetFlags() & STRUCT_DELETED )
                continue;

            if( item->Type() != SCH_LABEL_T )
                continue;

            tmp = GetWireOrBus( ( (SCH_TEXT*) item )->GetPosition() );

            if( tmp && tmp->GetFlags() & STRUCT_DELETED )
            {
                item->SetFlags( STRUCT_DELETED );

                ITEM_PICKER picker( item, UR_DELETED );
                aList.PushItem( picker );
            }
        }
    }

    ClearDrawingState();

    return aList.GetCount();
}
/**
 * Function OnLeftDClick
 * called on a double click event from the drawpanel mouse handler
 *  if an editable item is found (text, component)
 *      Call the suitable dialog editor.
 *  Id a create command is in progress:
 *      validate and finish the command
 */
void SCH_EDIT_FRAME::OnLeftDClick( wxDC* aDC, const wxPoint& aPosition )

{
    EDA_ITEM* item = GetScreen()->GetCurItem();

    switch( GetToolId() )
    {
    case ID_NO_TOOL_SELECTED:
        if( ( item == NULL ) || ( item->GetFlags() == 0 ) )
        {
            item = LocateAndShowItem( aPosition );
        }

        if( ( item == NULL ) || ( item->GetFlags() != 0 ) )
            break;

        switch( item->Type() )
        {
        case SCH_SHEET_T:
            m_CurrentSheet->push_back( (SCH_SHEET*) item );
            DisplayCurrentSheet();
            break;

        case SCH_COMPONENT_T:
            EditComponent( (SCH_COMPONENT*) item );
            GetCanvas()->MoveCursorToCrossHair();

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

            GetCanvas()->Refresh();
            break;

        case SCH_TEXT_T:
        case SCH_LABEL_T:
        case SCH_GLOBAL_LABEL_T:
        case SCH_HIERARCHICAL_LABEL_T:
            EditSchematicText( (SCH_TEXT*) item );
            break;

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

        case SCH_FIELD_T:
            EditComponentFieldText( (SCH_FIELD*) item );
            GetCanvas()->MoveCursorToCrossHair();
            break;

        case SCH_MARKER_T:
            ( (SCH_MARKER*) item )->DisplayMarkerInfo( this );
            break;

        default:
            break;
        }

        break;

    case ID_BUS_BUTT:
    case ID_WIRE_BUTT:
    case ID_LINE_COMMENT_BUTT:
        if( item && item->IsNew() )
            EndSegment( aDC );

        break;
    }
}
void EDA_DRAW_PANEL::OnMouseEvent( wxMouseEvent& event )
{
    int          localbutt = 0;
    BASE_SCREEN* screen = GetScreen();

    if( !screen )
        return;

    /* Adjust value to filter mouse displacement before consider the drag
     * mouse is really a drag command, not just a movement while click
     */
#define MIN_DRAG_COUNT_FOR_START_BLOCK_COMMAND 5

    if( event.Leaving() )
        m_canStartBlock = -1;

    if( !IsMouseCaptured() )          // No mouse capture in progress.
        SetAutoPanRequest( false );

    if( GetParent()->IsActive() )
        SetFocus();
    else
        return;

    if( !event.IsButton() && !event.Moving() && !event.Dragging() )
        return;

    if( event.RightDown() )
    {
        OnRightClick( event );
        return;
    }

    if( m_ignoreMouseEvents )
        return;

    if( event.LeftDown() )
        localbutt = GR_M_LEFT_DOWN;

    if( event.ButtonDClick( 1 ) )
        localbutt = GR_M_LEFT_DOWN | GR_M_DCLICK;

    if( event.MiddleDown() )
        localbutt = GR_M_MIDDLE_DOWN;

    INSTALL_UNBUFFERED_DC( DC, this );
    DC.SetBackground( *wxBLACK_BRUSH );

    // Compute the cursor position in drawing (logical) units.
    GetParent()->SetMousePosition( event.GetLogicalPosition( DC ) );

    int kbstat = 0;

    if( event.ShiftDown() )
        kbstat |= GR_KB_SHIFT;

    if( event.ControlDown() )
        kbstat |= GR_KB_CTRL;

    if( event.AltDown() )
        kbstat |= GR_KB_ALT;

    // Calling Double Click and Click functions :
    if( localbutt == (int) ( GR_M_LEFT_DOWN | GR_M_DCLICK ) )
    {
        if( m_ClickTimer )
        {
            m_ClickTimer->Stop();
            wxDELETE( m_ClickTimer );
        }
        GetParent()->OnLeftDClick( &DC, GetParent()->RefPos( true ) );

        // inhibit a response to the mouse left button release,
        // because we have a double click, and we do not want a new
        // OnLeftClick command at end of this Double Click
        m_ignoreNextLeftButtonRelease = true;
    }
    else if( event.LeftUp() )
    {
        // A block command is in progress: a left up is the end of block
        // or this is the end of a double click, already seen
        // Note also m_ignoreNextLeftButtonRelease can be set by
        // the call to OnLeftClick(), so do not change it after calling OnLeftClick
        bool ignoreEvt = m_ignoreNextLeftButtonRelease;
        m_ignoreNextLeftButtonRelease = false;

        if( screen->m_BlockLocate.GetState() == STATE_NO_BLOCK && !ignoreEvt )
        {
            EDA_ITEM* item = screen->GetCurItem();
            m_CursorClickPos = GetParent()->RefPos( true );

            // If we have an item already selected, or we are using a tool,
            // we won't use the disambiguation menu so process the click immediately
            if( ( item && item->GetFlags() ) || GetParent()->GetToolId() != ID_NO_TOOL_SELECTED )
                GetParent()->OnLeftClick( &DC, m_CursorClickPos );
            else
            {
                wxDELETE( m_ClickTimer );
                m_ClickTimer = new wxTimer(this, ID_MOUSE_DOUBLECLICK);
                m_ClickTimer->StartOnce( m_doubleClickInterval );
            }
        }

    }
    else if( !event.LeftIsDown() )
    {
        /* be sure there is a response to a left button release command
         * even when a LeftUp event is not seen.  This happens when a
         * double click opens a dialog box, and the release mouse button
         * is made when the dialog box is opened.
         */
        m_ignoreNextLeftButtonRelease = false;
    }

    if( event.ButtonDown( wxMOUSE_BTN_MIDDLE ) )
    {
        m_PanStartCenter = GetParent()->GetScrollCenterPosition();
        m_PanStartEventPosition = event.GetPosition();

        INSTALL_UNBUFFERED_DC( dc, this );
        CrossHairOff( &dc );
        SetCursor( wxCURSOR_SIZING );
    }

    if( event.ButtonUp( wxMOUSE_BTN_MIDDLE ) )
    {
        INSTALL_UNBUFFERED_DC( dc, this );
        CrossHairOn( &dc );
        SetCursor( (wxStockCursor) m_currentCursor );
    }

    if( event.MiddleIsDown() )
    {
        wxPoint currentPosition = event.GetPosition();

        double scale = GetParent()->GetScreen()->GetScalingFactor();
        int x = m_PanStartCenter.x +
                KiROUND( (double) ( m_PanStartEventPosition.x - currentPosition.x ) / scale );
        int y = m_PanStartCenter.y +
                KiROUND( (double) ( m_PanStartEventPosition.y - currentPosition.y ) / scale );

        GetParent()->RedrawScreen( wxPoint( x, y ), false );
    }

    // Calling the general function on mouse changes (and pseudo key commands)
    GetParent()->GeneralControl( &DC, event.GetLogicalPosition( DC ), 0 );

    /*******************************/
    /* Control of block commands : */
    /*******************************/

    // Command block can't start if mouse is dragging a new panel
    static EDA_DRAW_PANEL* lastPanel;
    if( lastPanel != this )
    {
        m_minDragEventCount = 0;
        m_canStartBlock   = -1;
    }

    /* A new command block can start after a release buttons
     * and if the drag is enough
     * This is to avoid a false start block when a dialog box is dismissed,
     * or when changing panels in hierarchy navigation
     * or when clicking while and moving mouse
     */
    if( !event.LeftIsDown() && !event.MiddleIsDown() )
    {
        m_minDragEventCount = 0;
        m_canStartBlock   = 0;

        /* Remember the last cursor position when a drag mouse starts
         * this is the last position ** before ** clicking a button
         * this is useful to start a block command from the point where the
         * mouse was clicked first
         * (a filter creates a delay for the real block command start, and
         * we must remember this point)
         */
        m_CursorStartPos = GetParent()->GetCrossHairPosition();
    }

    if( m_enableBlockCommands && !(localbutt & GR_M_DCLICK) )
    {
        if( !screen->IsBlockActive() )
        {
            screen->m_BlockLocate.SetOrigin( m_CursorStartPos );
        }

        if( event.LeftDown() )
        {
            if( screen->m_BlockLocate.GetState() == STATE_BLOCK_MOVE )
            {
                SetAutoPanRequest( false );
                GetParent()->HandleBlockPlace( &DC );
                m_ignoreNextLeftButtonRelease = true;
            }
        }
        else if( ( m_canStartBlock >= 0 ) && event.LeftIsDown() && !IsMouseCaptured() )
        {
            // Mouse is dragging: if no block in progress,  start a block command.
            if( screen->m_BlockLocate.GetState() == STATE_NO_BLOCK )
            {
                //  Start a block command
                int cmd_type = kbstat;

                // A block command is started if the drag is enough.  A small
                // drag is ignored (it is certainly a little mouse move when
                // clicking) not really a drag mouse
                if( m_minDragEventCount < MIN_DRAG_COUNT_FOR_START_BLOCK_COMMAND )
                    m_minDragEventCount++;
                else
                {
                    auto cmd = (GetParent()->GetToolId() == ID_ZOOM_SELECTION) ? BLOCK_ZOOM : 0;

                    if( !GetParent()->HandleBlockBegin( &DC, cmd_type, m_CursorStartPos, cmd ) )
                    {
                        // should not occur: error
                        GetParent()->DisplayToolMsg(
                            wxT( "EDA_DRAW_PANEL::OnMouseEvent() Block Error" ) );
                    }
                    else
                    {
                        SetAutoPanRequest( true );
                        SetCursor( wxCURSOR_SIZING );
                    }
                }
            }
        }

        if( event.ButtonUp( wxMOUSE_BTN_LEFT ) )
        {
            /* Release the mouse button: end of block.
             * The command can finish (DELETE) or have a next command (MOVE,
             * COPY).  However the block command is canceled if the block
             * size is small because a block command filtering is already
             * made, this case happens, but only when the on grid cursor has
             * not moved.
             */
            #define BLOCK_MINSIZE_LIMIT 1
            bool BlockIsSmall =
                ( std::abs( screen->m_BlockLocate.GetWidth() ) < BLOCK_MINSIZE_LIMIT )
                && ( std::abs( screen->m_BlockLocate.GetHeight() ) < BLOCK_MINSIZE_LIMIT );

            if( (screen->m_BlockLocate.GetState() != STATE_NO_BLOCK) && BlockIsSmall )
            {
                if( m_endMouseCaptureCallback )
                {
                    m_endMouseCaptureCallback( this, &DC );
                    SetAutoPanRequest( false );
                }

                SetCursor( (wxStockCursor) m_currentCursor );
           }
            else if( screen->m_BlockLocate.GetState() == STATE_BLOCK_END )
            {
                SetAutoPanRequest( false );
                GetParent()->HandleBlockEnd( &DC );
                SetCursor( (wxStockCursor) m_currentCursor );
                if( screen->m_BlockLocate.GetState() == STATE_BLOCK_MOVE )
                {
                    SetAutoPanRequest( true );
                    SetCursor( wxCURSOR_HAND );
                }
           }
        }
    }

    // End of block command on a double click
    // To avoid an unwanted block move command if the mouse is moved while double clicking
    if( localbutt == (int) ( GR_M_LEFT_DOWN | GR_M_DCLICK ) )
    {
        if( !screen->IsBlockActive() && IsMouseCaptured() )
        {
            m_endMouseCaptureCallback( this, &DC );
        }
    }

    lastPanel = this;

#ifdef __WXGTK3__
    // Screen has to be updated on every operation, otherwise the cursor leaves a trail (when xor
    // operation is changed to copy) or is not updated at all.
    Refresh();
#endif
}
Beispiel #4
0
void PCB_EDIT_FRAME::GeneralControl( wxDC* aDC, const wxPoint& aPosition, int aHotKey )
{
    wxRealPoint gridSize;
    wxPoint     oldpos;
    wxPoint     pos = GetScreen()->GetNearestGridPosition( aPosition );

    oldpos = GetScreen()->GetCrossHairPosition();

    gridSize = GetScreen()->GetGridSize();

    switch( aHotKey )
    {
    case WXK_NUMPAD8:
    case WXK_UP:
        pos.y -= wxRound( gridSize.y );
        m_canvas->MoveCursor( pos );
        break;

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

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

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

    default:
        break;
    }

    // Put cursor in new position, according to the zoom keys (if any).
    GetScreen()->SetCrossHairPosition( pos );

    /* Put cursor on grid or a pad centre if requested. If the tool DELETE is active the
     * cursor is left off grid this is better to reach items to delete off grid,
     */
    bool   keep_on_grid = true;

    if( GetToolId() == ID_PCB_DELETE_ITEM_BUTT )
        keep_on_grid = false;

    /* Cursor is left off grid if no block in progress and no moving object */
    if( GetScreen()->m_BlockLocate.m_State != STATE_NO_BLOCK )
        keep_on_grid = true;

    EDA_ITEM* DrawStruct = GetScreen()->GetCurItem();

    if( DrawStruct && DrawStruct->GetFlags() )
        keep_on_grid = true;

    if( keep_on_grid )
    {
        wxPoint on_grid = GetScreen()->GetNearestGridPosition( pos );

        wxSize grid;
        grid.x = (int) GetScreen()->GetGridSize().x;
        grid.y = (int) GetScreen()->GetGridSize().y;

        if( Magnetize( m_Pcb, this, GetToolId(), grid, on_grid, &pos ) )
        {
            GetScreen()->SetCrossHairPosition( pos, false );
        }
        else
        {
            // If there's no intrusion and DRC is active, we pass the cursor
            // "as is", and let ShowNewTrackWhenMovingCursor figure out what to do.
            if( !Drc_On || !g_CurrentTrackSegment
                    || (BOARD_ITEM*)g_CurrentTrackSegment != this->GetCurItem()
                    || !LocateIntrusion( m_Pcb->m_Track, g_CurrentTrackSegment,
                                         GetScreen()->m_Active_Layer, GetScreen()->RefPos( true ) ) )
            {
                GetScreen()->SetCrossHairPosition( on_grid );
            }
        }
    }

    if( oldpos != GetScreen()->GetCrossHairPosition() )
    {
        pos = GetScreen()->GetCrossHairPosition();
        GetScreen()->SetCrossHairPosition( oldpos, false );
        m_canvas->CrossHairOff( aDC );
        GetScreen()->SetCrossHairPosition( pos, false );
        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 );
    }

    UpdateStatusBar();    /* Display new cursor coordinates */
}