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ui: extented graph view ui features

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* fitting boxes to name length
* highlighting active edges and nodes
* hover for edges and nodes
* single click selection for edges and nodes
* edges have transparent second line for easier clicking
* sub structure class members by public/protected/private
This commit is contained in:
Eberhard Graether
2014-11-09 05:18:37 +01:00
parent 3441b6a8f4
commit 5b230cefa0
26 changed files with 644 additions and 417 deletions
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src/app/qt/view/graphElements/QtGraphEdge.cpp
+112 -22
View File
@@ -1,34 +1,75 @@
#include "qt/view/graphElements/QtGraphEdge.h"
#include <QGraphicsScene>
#include <QGraphicsSceneEvent>
#include <QPen>
#include "component/view/graphElements/GraphNode.h"
QtGraphEdge::QtGraphEdge(const std::weak_ptr<GraphNode>& owner, const std::weak_ptr<GraphNode>& target, const Id id)
: GraphEdge(id)
QtGraphEdge::QtGraphEdge(const std::weak_ptr<GraphNode>& owner, const std::weak_ptr<GraphNode>& target, const Edge* data)
: GraphEdge(data)
, m_owner(owner)
, m_target(target)
, m_color(0, 0, 0, 0)
, m_isActive(false)
, m_mousePos(0.0f, 0.0f)
, m_mouseMoved(false)
{
std::shared_ptr<GraphNode> o = owner.lock();
std::shared_ptr<GraphNode> t = target.lock();
Vec2i ownerPos;
Vec2i targetPos;
if (o != NULL && t != NULL)
{
Vec2i ownerPos = o->getPosition();
this->setLine(ownerPos.x, ownerPos.y,t->getPosition().x, t->getPosition().y);
ownerPos = o->getPosition();
targetPos = t->getPosition();
}
else
{
LOG_WARNING("Either the owner or the target node is null.");
}
QPen blackPen(Qt::black);
blackPen.setWidth(2);
this->setLine(ownerPos.x, ownerPos.y, targetPos.x, targetPos.y);
this->setPen(blackPen);
this->setAcceptHoverEvents(true);
this->setZValue(1); // Used to draw edges always on top of nodes.
QPen pen(Qt::transparent);
pen.setWidth(10);
this->setPen(pen);
m_child = new QGraphicsLineItem(this);
m_child->setLine(ownerPos.x, ownerPos.y, targetPos.x, targetPos.y);
pen.setColor(Qt::black);
pen.setWidth(2);
switch (data->getType())
{
case Edge::EDGE_CALL:
pen.setColor(QColor(100, 100, 100));
break;
case Edge::EDGE_USAGE:
pen.setColor(QColor(66, 230, 103));
break;
case Edge::EDGE_TYPE_OF:
pen.setColor(QColor(73, 155, 222));
break;
case Edge::EDGE_RETURN_TYPE_OF:
pen.setColor(QColor(231, 65, 65));
break;
case Edge::EDGE_PARAMETER_TYPE_OF:
pen.setColor(QColor(227, 180, 68));
break;
case Edge::EDGE_INHERITANCE:
pen.setColor(QColor(113, 96, 191));
break;
default:
break;
}
m_child->setPen(pen);
}
QtGraphEdge::~QtGraphEdge()
@@ -41,8 +82,11 @@ void QtGraphEdge::ownerMoved()
if (node != NULL)
{
Vec2i pos = node->getPosition();
this->setLine(pos.x, pos.y, this->line().x2(), this->line().y2());
Vec2i posA = node->getPosition();
Vec2i posB(this->line().x2(), this->line().y2());
this->setLine(posA.x, posA.y, posB.x, posB.y);
m_child->setLine(posA.x, posA.y, posB.x, posB.y);
}
else
{
@@ -56,7 +100,11 @@ void QtGraphEdge::targetMoved()
if (node != NULL)
{
this->setLine(this->line().x1(), this->line().y1(), node->getPosition().x, node->getPosition().y);
Vec2i posA(this->line().x1(), this->line().y1());
Vec2i posB = node->getPosition();
this->setLine(posA.x, posA.y, posB.x, posB.y);
m_child->setLine(posA.x, posA.y, posB.x, posB.y);
}
else
{
@@ -88,22 +136,64 @@ std::weak_ptr<GraphNode> QtGraphEdge::getTarget()
return m_target;
}
void QtGraphEdge::setColor(const Vec4i& color)
bool QtGraphEdge::getIsActive() const
{
m_color = color;
QPen pen(QColor(color.x, color.y, color.z, color.w));
pen.setWidth(2);
this->setPen(pen);
return m_isActive;
}
Vec4i QtGraphEdge::getColor() const
void QtGraphEdge::setIsActive(bool isActive)
{
return m_color;
m_isActive = isActive;
QPen p = m_child->pen();
if (isActive)
{
p.setWidth(4);
}
else
{
p.setWidth(2);
}
m_child->setPen(p);
}
void QtGraphEdge::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
void QtGraphEdge::onClick()
{
MessageActivateToken message(m_tokenId);
message.dispatch();
MessageActivateToken(getTokenId()).dispatch();
}
void QtGraphEdge::mousePressEvent(QGraphicsSceneMouseEvent* event)
{
m_mousePos = Vec2i(event->scenePos().x(), event->scenePos().y());
m_mouseMoved = false;
}
void QtGraphEdge::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
{
Vec2i mousePos = Vec2i(event->scenePos().x(), event->scenePos().y());
if ((mousePos - m_mousePos).getLength() > 1.0f)
{
m_mouseMoved = true;
}
}
void QtGraphEdge::mouseReleaseEvent(QGraphicsSceneMouseEvent* event)
{
if (!m_mouseMoved)
{
this->onClick();
}
}
void QtGraphEdge::hoverEnterEvent(QGraphicsSceneHoverEvent* event)
{
bool isActive = m_isActive;
this->setIsActive(true);
m_isActive = isActive;
}
void QtGraphEdge::hoverLeaveEvent(QGraphicsSceneHoverEvent* event)
{
this->setIsActive(m_isActive);
}