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
}
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 */
}
