56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
#include "tools/cabana/chart/tiplabel.h"
|
|
|
|
#include <utility>
|
|
|
|
#include <QApplication>
|
|
#include <QStylePainter>
|
|
#include <QToolTip>
|
|
|
|
#include "tools/cabana/settings.h"
|
|
|
|
TipLabel::TipLabel(QWidget *parent) : QLabel(parent, Qt::ToolTip | Qt::FramelessWindowHint) {
|
|
setForegroundRole(QPalette::ToolTipText);
|
|
setBackgroundRole(QPalette::ToolTipBase);
|
|
QFont font;
|
|
font.setPointSizeF(8.34563465);
|
|
setFont(font);
|
|
auto palette = QToolTip::palette();
|
|
if (settings.theme != DARK_THEME) {
|
|
palette.setColor(QPalette::ToolTipBase, QApplication::palette().color(QPalette::Base));
|
|
palette.setColor(QPalette::ToolTipText, QRgb(0x404044)); // same color as chart label brush
|
|
}
|
|
setPalette(palette);
|
|
ensurePolished();
|
|
setMargin(1 + style()->pixelMetric(QStyle::PM_ToolTipLabelFrameWidth, nullptr, this));
|
|
setAttribute(Qt::WA_ShowWithoutActivating);
|
|
setTextFormat(Qt::RichText);
|
|
setVisible(false);
|
|
}
|
|
|
|
void TipLabel::showText(const QPoint &pt, const QString &text, QWidget *w, const QRect &rect) {
|
|
setText(text);
|
|
if (!text.isEmpty()) {
|
|
QSize extra(1, 1);
|
|
resize(sizeHint() + extra);
|
|
QPoint tip_pos(pt.x() + 8, rect.top() + 2);
|
|
if (tip_pos.x() + size().width() >= rect.right()) {
|
|
tip_pos.rx() = pt.x() - size().width() - 8;
|
|
}
|
|
if (rect.contains({tip_pos, size()})) {
|
|
move(w->mapToGlobal(tip_pos));
|
|
setVisible(true);
|
|
return;
|
|
}
|
|
}
|
|
setVisible(false);
|
|
}
|
|
|
|
void TipLabel::paintEvent(QPaintEvent *ev) {
|
|
QStylePainter p(this);
|
|
QStyleOptionFrame opt;
|
|
opt.init(this);
|
|
p.drawPrimitive(QStyle::PE_PanelTipLabel, opt);
|
|
p.end();
|
|
QLabel::paintEvent(ev);
|
|
}
|