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nodeview: show label and type if label is set

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Might not keep this, but we should have something to make the
node types clear when labelled.
This commit is contained in:
itsmattkc
2021-03-18 19:36:03 +11:00
parent 334b152765
commit 843db76e75
2 changed files with 75 additions and 60 deletions
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app/widget/nodeview/nodeviewitem.cpp
+73 -60
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@@ -236,8 +236,8 @@ void NodeViewItem::ToggleExpanded()
void NodeViewItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
{
// HACK for getting the main QWidget palette color (the `widget`'s palette uses the NodeView color instead which we
// don't want here)
// Use main window palette since the palette passed in `widget` is the NodeView palette which
// has been slightly modified
QPalette app_pal = Core::instance()->main_window()->palette();
// Draw background rect if expanded
@@ -272,70 +272,33 @@ void NodeViewItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *opti
painter->setPen(app_pal.color(QPalette::Text));
QString node_label;
QString node_label = node_->GetLabel();
QString node_shortname = node_->ShortName();
if (!node_->GetLabel().isEmpty()) {
// Use label directly if node has one
node_label = node_->GetLabel();
} else {
Track* track = dynamic_cast<Track*>(node_);
if (track) {
// Exception for tracks
node_label = Track::GetDefaultTrackName(track->type(), track->Index());
} else {
// Otherwise, just use the node's short name
node_label = node_->ShortName();
if (node_label.isEmpty()) {
// If this is a track and has no user-supplied label, generate an automatic one
Track* track_cast_test = dynamic_cast<Track*>(node_);
if (track_cast_test) {
node_label = Track::GetDefaultTrackName(track_cast_test->type(), track_cast_test->Index());
}
}
QFont f;
QFontMetrics fm(f);
// Draw right or down arrow based on expanded state
int icon_size = fm.height() / 2;
int icon_padding = title_bar_rect_.height() / 2 - icon_size / 2;
int icon_full_size = icon_size + icon_padding * 2;
const QIcon& expand_icon = IsExpanded() ? icon::TriDown : icon::TriRight;
expand_icon.paint(painter, QRect(title_bar_rect_.x() + icon_padding,
title_bar_rect_.y() + icon_padding,
icon_size,
icon_size));
// Calculate how much space we have for text
int item_width = title_bar_rect_.width();
int max_text_width = item_width - DefaultTextPadding() * 2 - icon_full_size;
int label_width = QtUtils::QFontMetricsWidth(fm, node_label);
// Concatenate text if necessary (adds a "..." to the end and removes characters until the
// string fits in the bounds)
if (label_width > max_text_width) {
QString concatenated;
do {
node_label.chop(1);
concatenated = QCoreApplication::translate("NodeViewItem", "%1...").arg(node_label);
} while ((label_width = QtUtils::QFontMetricsWidth(fm, concatenated)) > max_text_width);
node_label = concatenated;
if (node_label.isEmpty()) {
// Draw shortname only
DrawNodeTitle(painter, node_shortname, title_bar_rect_, Qt::AlignVCenter);
} else {
int text_pad = DefaultTextPadding()/2;
QRectF safe_label_bounds = title_bar_rect_.adjusted(text_pad, text_pad, -text_pad, -text_pad);
QFont f;
qreal font_sz = f.pointSizeF();
f.setPointSizeF(font_sz * 0.8);
painter->setFont(f);
DrawNodeTitle(painter, node_label, safe_label_bounds, Qt::AlignTop);
f.setPointSizeF(font_sz * 0.6);
painter->setFont(f);
DrawNodeTitle(painter, node_shortname, safe_label_bounds, Qt::AlignBottom);
}
// Determine the text color (automatically calculate from node background color)
painter->setPen(ColorCoding::GetUISelectorColor(node_->color()));
// Determine X position (favors horizontal centering unless it'll overrun the arrow)
QRectF text_rect = title_bar_rect_;
Qt::Alignment text_align = Qt::AlignCenter;
int likely_x = item_width / 2 - label_width / 2;
if (likely_x < icon_full_size) {
text_rect.adjust(icon_full_size, 0, 0, 0);
text_align = Qt::AlignLeft | Qt::AlignVCenter;
}
// Draw the text in a rect (the rect is sized around text already in the constructor)
painter->drawText(text_rect,
text_align,
node_label);
}
// Draw final border
@@ -404,6 +367,56 @@ void NodeViewItem::ReadjustAllEdges()
}
}
void NodeViewItem::DrawNodeTitle(QPainter* painter, QString text, const QRectF& rect, Qt::Alignment vertical_align)
{
QFontMetrics fm = painter->fontMetrics();
// Draw right or down arrow based on expanded state
int icon_size = fm.height() / 2;
int icon_padding = title_bar_rect_.height() / 2 - icon_size / 2;
int icon_full_size = icon_size + icon_padding * 2;
const QIcon& expand_icon = IsExpanded() ? icon::TriDown : icon::TriRight;
expand_icon.paint(painter, QRect(title_bar_rect_.x() + icon_padding,
title_bar_rect_.y() + icon_padding,
icon_size,
icon_size));
// Calculate how much space we have for text
int item_width = title_bar_rect_.width();
int max_text_width = item_width - DefaultTextPadding() * 2 - icon_full_size;
int label_width = QtUtils::QFontMetricsWidth(fm, text);
// Concatenate text if necessary (adds a "..." to the end and removes characters until the
// string fits in the bounds)
if (label_width > max_text_width) {
QString concatenated;
do {
text.chop(1);
concatenated = QCoreApplication::translate("NodeViewItem", "%1...").arg(text);
} while ((label_width = QtUtils::QFontMetricsWidth(fm, concatenated)) > max_text_width);
text = concatenated;
}
// Determine the text color (automatically calculate from node background color)
painter->setPen(ColorCoding::GetUISelectorColor(node_->color()));
// Determine X position (favors horizontal centering unless it'll overrun the arrow)
QRectF text_rect = rect;
Qt::Alignment text_align = Qt::AlignHCenter | vertical_align;
int likely_x = item_width / 2 - label_width / 2;
if (likely_x < icon_full_size) {
text_rect.adjust(icon_full_size, 0, 0, 0);
text_align = Qt::AlignLeft | vertical_align;
}
// Draw the text in a rect (the rect is sized around text already in the constructor)
painter->drawText(text_rect,
text_align,
text);
}
void NodeViewItem::SetHighlightedIndex(int index)
{
if (highlighted_index_ == index) {