自定义QHeaderView控件+QTable委托

#include "commondelegate.h" #include <QSpinBox> #include <QLineEdit> #include <QComboBox> #include <QIntValidator> class CusDoubleValidator : public QDoubleValidator { public: explicit CusDoubleValidator(QObject * parent = 0) :QDoubleValidator(parent){ } State validate(QString &str, int &i) const{ Q_UNUSED(i); if (str.isEmpty()){ return QValidator::Intermediate; } bool cOK = false; double val = str.toDouble(&cOK); if (!cOK){ return QValidator::Invalid; } int dotPos = str.indexOf("."); if (dotPos > 0){ if (str.right(str.length() - dotPos - 1).length() > decimals()){ return QValidator::Invalid; } } if (val <= top() && val >= bottom()){ return QValidator::Acceptable; } return QValidator::Invalid; } }; //ComboboxDelegate ComboboxDelegate::ComboboxDelegate(QObject *parent) : QStyledItemDelegate(parent) { } QWidget *ComboboxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &/* option */, const QModelIndex &/* index */) const { QComboBox* editor = new QComboBox(parent); editor->addItem(QString::fromLocal8Bit("雨田哥1号")); editor->addItem(QString::fromLocal8Bit("雨田哥2号")); editor->addItem(QString::fromLocal8Bit("雨田哥3号")); editor->setCurrentIndex(0); return editor; } void ComboboxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const { QString value = index.model()->data(index, Qt::EditRole).toString(); QComboBox *combobox = static_cast<QComboBox*>(editor); combobox->setCurrentText(value); } void ComboboxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const { QComboBox *combobox = static_cast<QComboBox*>(editor); QString value = combobox->currentText(); model->setData(index, value, Qt::EditRole); } void ComboboxDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &/* index */) const { editor->setGeometry(option.rect); } void ComboboxDelegate::paint(QPainter* painter, const QStyleOptionViewItem &option, const QModelIndex &index) const { QStyleOptionViewItem itemOptin(option); if (itemOptin.state & QStyle::State_HasFocus) itemOptin.state = itemOptin.state ^ QStyle::State_HasFocus; return QStyledItemDelegate::paint(painter, itemOptin, index); }; //SpinBoxDelegate SpinBoxDelegate::SpinBoxDelegate(QObject *parent) : QStyledItemDelegate(parent) { } QWidget *SpinBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &/* option */, const QModelIndex &/* index */) const { QSpinBox *editor = new QSpinBox(parent); editor->setFrame(false); editor->setMinimum(0); editor->setMaximum(100); return editor; } void SpinBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const { int value = index.model()->data(index, Qt::EditRole).toInt(); QSpinBox *spinBox = static_cast<QSpinBox*>(editor); spinBox->setValue(value); } void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const { QSpinBox *spinBox = static_cast<QSpinBox*>(editor); spinBox->interpretText(); int value = spinBox->value(); model->setData(index, value, Qt::EditRole); } void SpinBoxDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &/* index */) const { editor->setGeometry(option.rect); } void SpinBoxDelegate::paint(QPainter* painter, const QStyleOptionViewItem &option, const QModelIndex &index) const { QStyleOptionViewItem itemOptin(option); if (itemOptin.state & QStyle::State_HasFocus) itemOptin.state = itemOptin.state ^ QStyle::State_HasFocus; return QStyledItemDelegate::paint(painter, itemOptin, index); }; //LineEditDelegate LineEditDelegate::LineEditDelegate(QObject *parent) : QStyledItemDelegate(parent) , m_limitString(-1) , m_placeTxt("") , m_decilas(2) { m_limitIntRange = std::make_pair(-1, -1); m_limitFloatRange = std::make_pair(-1, -1); } QWidget *LineEditDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &/* option */, const QModelIndex &/* index */) const { QLineEdit *editor = new QLineEdit(parent); editor->setStyleSheet("QLineEdit{border: 1px solid #DDDDDD;color:#666666;font-size:12px;}"); if (!m_placeTxt.isEmpty()) editor->setPlaceholderText(m_placeTxt); QValidator *validator = nullptr; if (m_limitIntRange.first != -1){ validator = new QIntValidator(m_limitIntRange.first, m_limitIntRange.second, editor); editor->setValidator(validator); } else if (m_limitFloatRange.first != -1){ CusDoubleValidator* validator0 = new CusDoubleValidator(editor); validator0->setRange(m_limitFloatRange.first, m_limitFloatRange.second, m_decilas); editor->setValidator(validator0); } if (m_limitString != -1){ editor->setMaxLength(m_limitString); } return editor; } void LineEditDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const { QString value = index.model()->data(index, Qt::EditRole).toString(); QLineEdit *linedit = static_cast<QLineEdit*>(editor); linedit->setText(value); } void LineEditDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const { QLineEdit *linedit = static_cast<QLineEdit*>(editor); QString value = linedit->text(); model->setData(index, value, Qt::EditRole); } void LineEditDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &/* index */) const { editor->setGeometry(option.rect); } void LineEditDelegate::paint(QPainter* painter, const QStyleOptionViewItem &option, const QModelIndex &index) const { QStyleOptionViewItem itemOptin(option); if (itemOptin.state & QStyle::State_HasFocus) itemOptin.state = itemOptin.state ^ QStyle::State_HasFocus; return QStyledItemDelegate::paint(painter, itemOptin, index); };