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work towards timeline/nodeview interactivity

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This commit is contained in:
itsmattkc
2021-05-17 11:14:56 +10:00
parent 8e9859b2b3
commit f2d64728f9
15 changed files with 204 additions and 132 deletions
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app/widget/nodeview/nodeviewedge.cpp
+76 -63
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@@ -80,6 +80,82 @@ void NodeViewEdge::SetHighlighted(bool e)
void NodeViewEdge::SetPoints(const QPointF &start, const QPointF &end, bool input_is_expanded)
{
cached_start_ = start;
cached_end_ = end;
cached_input_is_expanded_ = input_is_expanded;
UpdateCurve();
}
void NodeViewEdge::SetFlowDirection(NodeViewCommon::FlowDirection dir)
{
flow_dir_ = dir;
if (from_item_ && to_item_) {
Adjust();
}
}
void NodeViewEdge::SetCurved(bool e)
{
curved_ = e;
UpdateCurve();
}
void NodeViewEdge::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
{
QPalette::ColorGroup group;
QPalette::ColorRole role;
if (connected_) {
group = QPalette::Active;
} else {
group = QPalette::Disabled;
}
if (highlighted_ != bool(option->state & QStyle::State_Selected)) {
role = QPalette::Highlight;
} else {
role = QPalette::Text;
}
// Draw main path
QColor edge_color = qApp->palette().color(group, role);
painter->setPen(QPen(edge_color, edge_width_));
painter->setBrush(Qt::NoBrush);
painter->drawPath(path());
// Draw arrow
painter->setPen(Qt::NoPen);
painter->setBrush(edge_color);
painter->drawPolygon(arrow_);
}
void NodeViewEdge::Init()
{
connected_ = false;
highlighted_ = false;
flow_dir_ = NodeViewCommon::kLeftToRight;
curved_ = true;
setFlag(QGraphicsItem::ItemIsSelectable);
// Ensures this UI object is drawn behind other objects
setZValue(-1);
// Use font metrics to set edge width for basic high DPI support
edge_width_ = QFontMetrics(QFont()).height() / 12;
arrow_size_ = QFontMetrics(QFont()).height() / 2;
}
void NodeViewEdge::UpdateCurve()
{
const QPointF &start = cached_start_;
const QPointF &end = cached_end_;
const bool input_is_expanded = cached_input_is_expanded_;
QPainterPath path;
path.moveTo(start);
@@ -156,67 +232,4 @@ void NodeViewEdge::SetPoints(const QPointF &start, const QPointF &end, bool inpu
arrow_bounding_rect_.adjust(-arrow_size_, -arrow_size_, arrow_size_, arrow_size_);
}
void NodeViewEdge::SetFlowDirection(NodeViewCommon::FlowDirection dir)
{
flow_dir_ = dir;
if (from_item_ && to_item_) {
Adjust();
}
}
void NodeViewEdge::SetCurved(bool e)
{
curved_ = e;
update();
}
void NodeViewEdge::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
{
QPalette::ColorGroup group;
QPalette::ColorRole role;
if (connected_) {
group = QPalette::Active;
} else {
group = QPalette::Disabled;
}
if (highlighted_ != bool(option->state & QStyle::State_Selected)) {
role = QPalette::Highlight;
} else {
role = QPalette::Text;
}
// Draw main path
QColor edge_color = qApp->palette().color(group, role);
painter->setPen(QPen(edge_color, edge_width_));
painter->setBrush(Qt::NoBrush);
painter->drawPath(path());
// Draw arrow
painter->setPen(Qt::NoPen);
painter->setBrush(edge_color);
painter->drawPolygon(arrow_);
}
void NodeViewEdge::Init()
{
connected_ = false;
highlighted_ = false;
flow_dir_ = NodeViewCommon::kLeftToRight;
curved_ = true;
setFlag(QGraphicsItem::ItemIsSelectable);
// Ensures this UI object is drawn behind other objects
setZValue(-1);
// Use font metrics to set edge width for basic high DPI support
edge_width_ = QFontMetrics(QFont()).height() / 12;
arrow_size_ = QFontMetrics(QFont()).height() / 2;
}
}