int PCBNEW_CONTROL::ZoomFitScreen( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW* view = getView();
EDA_DRAW_PANEL_GAL* galCanvas = m_frame->GetGalCanvas();
BOARD* board = getModel<BOARD>();
board->ComputeBoundingBox();
BOX2I boardBBox = board->ViewBBox();
VECTOR2D scrollbarSize = VECTOR2D( galCanvas->GetSize() - galCanvas->GetClientSize() );
VECTOR2D screenSize = view->ToWorld( galCanvas->GetClientSize(), false );
if( boardBBox.GetWidth() == 0 || boardBBox.GetHeight() == 0 )
{
// Empty view
view->SetScale( 17.0 ); // works fine for the standard worksheet frame
view->SetCenter( screenSize / 2.0 );
}
else
{
VECTOR2D vsize = boardBBox.GetSize();
double scale = view->GetScale() / std::max( fabs( vsize.x / screenSize.x ),
fabs( vsize.y / screenSize.y ) );
view->SetScale( scale );
view->SetCenter( boardBBox.Centre() );
}
// Take scrollbars into account
VECTOR2D worldScrollbarSize = view->ToWorld( scrollbarSize, false );
view->SetCenter( view->GetCenter() + worldScrollbarSize / 2.0 );
return 0;
}
int PCBNEW_CONTROL::ZoomFitScreen( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW* view = m_frame->GetGalCanvas()->GetView();
KIGFX::GAL* gal = m_frame->GetGalCanvas()->GetGAL();
BOARD* board = getModel<BOARD>();
board->ComputeBoundingBox();
BOX2I boardBBox = board->ViewBBox();
VECTOR2I screenSize = gal->GetScreenPixelSize();
if( boardBBox.GetSize().x == 0 || boardBBox.GetSize().y == 0 )
{
// Empty view
view->SetCenter( view->ToWorld( VECTOR2D( screenSize.x / 2, screenSize.y / 2 ) ) );
view->SetScale( 17.0 );
}
else
{
// Autozoom to board
double iuPerX = screenSize.x ? boardBBox.GetWidth() / screenSize.x : 1.0;
double iuPerY = screenSize.y ? boardBBox.GetHeight() / screenSize.y : 1.0;
double bestZoom = std::max( iuPerX, iuPerY );
double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
double zoom = 1.0 / ( zoomFactor * bestZoom );
view->SetCenter( boardBBox.Centre() );
view->SetScale( zoom );
}
return 0;
}
// Cursor control
int PCBNEW_CONTROL::CursorControl( const TOOL_EVENT& aEvent )
{
long type = aEvent.Parameter<long>();
bool fastMove = type & COMMON_ACTIONS::CURSOR_FAST_MOVE;
type &= ~COMMON_ACTIONS::CURSOR_FAST_MOVE;
GRID_HELPER gridHelper( m_frame );
VECTOR2D cursor = getViewControls()->GetCursorPosition();
VECTOR2I gridSize = gridHelper.GetGrid();
VECTOR2D newCursor = gridHelper.Align( cursor );
if( fastMove )
gridSize = gridSize * 10;
switch( type )
{
case COMMON_ACTIONS::CURSOR_UP:
newCursor -= VECTOR2D( 0, gridSize.y );
break;
case COMMON_ACTIONS::CURSOR_DOWN:
newCursor += VECTOR2D( 0, gridSize.y );
break;
case COMMON_ACTIONS::CURSOR_LEFT:
newCursor -= VECTOR2D( gridSize.x, 0 );
break;
case COMMON_ACTIONS::CURSOR_RIGHT:
newCursor += VECTOR2D( gridSize.x, 0 );
break;
case COMMON_ACTIONS::CURSOR_CLICK: // fall through
case COMMON_ACTIONS::CURSOR_DBL_CLICK:
{
TOOL_ACTIONS action = TA_NONE;
int modifiers = 0;
modifiers |= wxGetKeyState( WXK_SHIFT ) ? MD_SHIFT : 0;
modifiers |= wxGetKeyState( WXK_CONTROL ) ? MD_CTRL : 0;
modifiers |= wxGetKeyState( WXK_ALT ) ? MD_ALT : 0;
if( type == COMMON_ACTIONS::CURSOR_CLICK )
action = TA_MOUSE_CLICK;
else if( type == COMMON_ACTIONS::CURSOR_DBL_CLICK )
action = TA_MOUSE_DBLCLICK;
else
assert( false );
TOOL_EVENT evt( TC_MOUSE, action, BUT_LEFT | modifiers );
evt.SetMousePosition( getViewControls()->GetCursorPosition() );
m_toolMgr->ProcessEvent( evt );
return 0;
}
break;
}
// Handler cursor movement
KIGFX::VIEW* view = getView();
newCursor = view->ToScreen( newCursor );
newCursor.x = KiROUND( newCursor.x );
newCursor.y = KiROUND( newCursor.y );
// Pan the screen if required
const VECTOR2I& screenSize = view->GetGAL()->GetScreenPixelSize();
BOX2I screenBox( VECTOR2I( 0, 0 ), screenSize );
if( !screenBox.Contains( newCursor ) )
{
VECTOR2D delta( 0, 0 );
if( newCursor.x < screenBox.GetLeft() )
{
delta.x = newCursor.x - screenBox.GetLeft();
newCursor.x = screenBox.GetLeft();
}
else if( newCursor.x > screenBox.GetRight() )
{
delta.x = newCursor.x - screenBox.GetRight();
// -1 is to keep the cursor within the drawing area,
// so the cursor coordinates are still updated
newCursor.x = screenBox.GetRight() - 1;
}
if( newCursor.y < screenBox.GetTop() )
{
delta.y = newCursor.y - screenBox.GetTop();
newCursor.y = screenBox.GetTop();
}
else if( newCursor.y > screenBox.GetBottom() )
{
delta.y = newCursor.y - screenBox.GetBottom();
// -1 is to keep the cursor within the drawing area,
// so the cursor coordinates are still updated
newCursor.y = screenBox.GetBottom() - 1;
}
view->SetCenter( view->GetCenter() + view->ToWorld( delta, false ) );
}
m_frame->GetGalCanvas()->WarpPointer( newCursor.x, newCursor.y );
return 0;
}