brushtool.cpp Example File

piechartcustomization/brushtool.cpp
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#include "brushtool.h" #include <QtWidgets/QPushButton> #include <QtWidgets/QFormLayout> #include <QtWidgets/QComboBox> #include <QtWidgets/QColorDialog> BrushTool::BrushTool(QString title, QWidget *parent) : QWidget(parent) { setWindowTitle(title); setWindowFlags(Qt::Tool); m_colorButton = new QPushButton(); m_styleCombo = new QComboBox(); m_styleCombo->addItem("Nobrush", (int) Qt::NoBrush); m_styleCombo->addItem("Solidpattern", (int) Qt::SolidPattern); m_styleCombo->addItem("Dense1pattern", (int) Qt::Dense1Pattern); m_styleCombo->addItem("Dense2attern", (int) Qt::Dense2Pattern); m_styleCombo->addItem("Dense3Pattern", (int) Qt::Dense3Pattern); m_styleCombo->addItem("Dense4Pattern", (int) Qt::Dense4Pattern); m_styleCombo->addItem("Dense5Pattern", (int) Qt::Dense5Pattern); m_styleCombo->addItem("Dense6Pattern", (int) Qt::Dense6Pattern); m_styleCombo->addItem("Dense7Pattern", (int) Qt::Dense7Pattern); m_styleCombo->addItem("HorPattern", (int) Qt::HorPattern); m_styleCombo->addItem("VerPattern", (int) Qt::VerPattern); m_styleCombo->addItem("CrossPattern", (int) Qt::CrossPattern); m_styleCombo->addItem("BDiagPattern", (int) Qt::BDiagPattern); m_styleCombo->addItem("FDiagPattern", (int) Qt::FDiagPattern); m_styleCombo->addItem("DiagCrossPattern", (int) Qt::DiagCrossPattern); QFormLayout *layout = new QFormLayout(); layout->addRow("Color", m_colorButton); layout->addRow("Style", m_styleCombo); setLayout(layout); connect(m_colorButton, &QPushButton::clicked, this, &BrushTool::showColorDialog); connect(m_styleCombo, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &BrushTool::updateStyle); } void BrushTool::setBrush(QBrush brush) { m_brush = brush; m_colorButton->setText(m_brush.color().name()); m_styleCombo->setCurrentIndex(m_brush.style()); // index matches the enum } QBrush BrushTool::brush() const { return m_brush; } QString BrushTool::name() { return name(m_brush); } QString BrushTool::name(const QBrush &brush) { return brush.color().name(); } void BrushTool::showColorDialog() { QColorDialog dialog(m_brush.color()); dialog.show(); dialog.exec(); m_brush.setColor(dialog.selectedColor()); m_colorButton->setText(m_brush.color().name()); emit changed(); } void BrushTool::updateStyle() { Qt::BrushStyle style = (Qt::BrushStyle) m_styleCombo->itemData(m_styleCombo->currentIndex()).toInt(); if (m_brush.style() != style) { m_brush.setStyle(style); emit changed(); } } #include "moc_brushtool.cpp"