SocketPortConnFigure.cc

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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/**
 * @file SocketPortConnFigure.cc
 *
 * Definition of SocketPortConnFigure class.
 *
 * @author Ari Metsähalme 2003 (ari.metsahalme-no.spam-tut.fi)
 * @note reviewed Jul 27 2004 by ml, pj, am
 * @note rating: yellow
 */
 
#include <vector>
 
#include "Application.hh"
#include "SocketPortConnFigure.hh"
#include "MachineCanvasLayoutConstraints.hh"
 
const wxColour SocketPortConnFigure::DEFAULT_COLOUR = wxColour(0, 0, 0);
 
/**
 * The Constructor.
 */
SocketPortConnFigure::SocketPortConnFigure(): ConnectionFigure() {
}
 
/**
 * The Destructor.
 */
SocketPortConnFigure::~SocketPortConnFigure() {
}
 
/**
 * Draws the connection's Figure on the given device context.
 *
 * @param dc The device context.
 */
void
SocketPortConnFigure::drawSelf(wxDC* dc) {
    assert(source_ != NULL && target_ != NULL);
    wxPen pen = wxPen(DEFAULT_COLOUR, 1, wxSOLID);
    dc->SetPen(pen);
    drawConnection(dc);
}
 
/**
 * Draws the connection line on the dc.
 */
void
SocketPortConnFigure::drawConnection(wxDC* dc) {
    int xOffset = source_->bounds().GetWidth() / 2;
 
    int yOffset = MachineCanvasLayoutConstraints::PORT_WIDTH / 2;
    // assumes that port is always "source"
    dc->DrawLine(source_->location().x + xOffset,
         source_->location().y + yOffset*2,
         target_->location().x + xOffset,
         target_->location().y);
}
 
/**
 * Sets the figure's bounds.
 */
void
SocketPortConnFigure::layoutSelf(wxDC*) {
    // assumes that port is always "source"
    int yOffset = MachineCanvasLayoutConstraints::PORT_WIDTH / 2;
    int xOffset = source_->bounds().GetWidth() / 2;
        
    setHeight(target_->location().y - source_->location().y - yOffset*2);
    if(source_->location().x < target_->location().x) {
        setWidth(target_->location().x - source_->location().x + 3);
        setLocation(
            wxPoint(source_->location().x - 1 + xOffset,
                    source_->location().y + yOffset*2));
 
    } else {
        setWidth(source_->location().x - target_->location().x + 3);
        setLocation(
            wxPoint(target_->location().x - 1 + xOffset,
                    source_->location().y + yOffset*2));
    }
}