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b40354c7f2
Android and iOS use qmake, so add the code to the .pro file. This also removes all remnants of QCharts includes and uses and all the references to QCharts in our various build systems. That was a brief but extremely useful detour. Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
#include "informationbox.h"
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#include "statscolors.h"
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#include "zvalues.h"
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#include <QFontMetrics>
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#include <QGraphicsScene>
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static const QColor informationBorderColor(Qt::black);
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static const QColor informationColor(0xff, 0xff, 0x00, 192); // Note: fourth argument is opacity
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static const int informationBorder = 2;
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static const double informationBorderRadius = 4.0; // Radius of rounded corners
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static const int distanceFromPointer = 10; // Distance to place box from mouse pointer or scatter item
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InformationBox::InformationBox() : RoundRectItem(informationBorderRadius, nullptr)
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{
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setPen(QPen(informationBorderColor, informationBorder));
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setBrush(informationColor);
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setZValue(ZValues::informationBox);
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}
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void InformationBox::setText(const std::vector<QString> &text, QPointF pos)
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{
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width = height = 0.0;
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textItems.clear();
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for (const QString &s: text) {
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if (!s.isEmpty())
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addLine(s);
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}
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width += 4.0 * informationBorder;
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height += 4.0 * informationBorder;
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// Setting the position will also set the proper size
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setPos(pos);
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}
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void InformationBox::setPos(QPointF pos)
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{
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QRectF plotArea = scene()->sceneRect();
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double x = pos.x() + distanceFromPointer;
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if (x + width >= plotArea.right()) {
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if (pos.x() - width >= plotArea.x())
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x = pos.x() - width;
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else
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x = pos.x() - width / 2.0;
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}
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double y = pos.y() + distanceFromPointer;
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if (y + height >= plotArea.bottom()) {
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if (pos.y() - height >= plotArea.y())
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y = pos.y() - height;
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else
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y = pos.y() - height / 2.0;
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}
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setRect(x, y, width, height);
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double actY = y + 2.0 * informationBorder;
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for (auto &item: textItems) {
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item->setPos(QPointF(x + 2.0 * informationBorder, actY));
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actY += item->boundingRect().height();
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}
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}
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void InformationBox::addLine(const QString &s)
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{
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textItems.emplace_back(new QGraphicsSimpleTextItem(s, this));
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QGraphicsSimpleTextItem &item = *textItems.back();
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item.setBrush(QBrush(darkLabelColor));
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item.setPos(QPointF(0.0, height));
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item.setFont(font);
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item.setZValue(ZValues::informationBox);
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QRectF rect = item.boundingRect();
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width = std::max(width, rect.width());
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height += rect.height();
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}
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// Try to stay within three-thirds of the chart height
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int InformationBox::recommendedMaxLines() const
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{
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QFontMetrics fm(font);
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int maxHeight = static_cast<int>(scene()->sceneRect().height());
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return maxHeight * 2 / fm.height() / 3;
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}
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