74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
#include "cusTableWidget.h"
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#include <QApplication>
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#include <QDrag>
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#include <QMimeData>
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#include <QPainter>
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CustomTableWidget::CustomTableWidget(QWidget* parent) : QTableWidget(parent)
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{
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}
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CustomTableWidget::~CustomTableWidget()
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{
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}
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void CustomTableWidget::dropEvent(QDropEvent* event)
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{
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if (!event->mimeData()->hasFormat("application/x-custom-data")) {
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event->ignore();
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return;
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}
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QTableWidget::dropEvent(event);
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}
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void CustomTableWidget::dragEnterEvent(QDragEnterEvent* event)
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{
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const QTableWidget* source = qobject_cast<const QTableWidget*>(event->source());
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if (source == this) {
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event->ignore();
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return;
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}
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if (event->mimeData()->hasFormat("application/x-custom-data")) {
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event->acceptProposedAction();
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} else {
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event->ignore();
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}
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}
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void CustomTableWidget::mouseMoveEvent(QMouseEvent* event)
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{
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if (!(event->buttons() & Qt::LeftButton)) {
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return;
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}
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if ((event->pos() - startPos_).manhattanLength() < QApplication::startDragDistance()) {
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return;
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}
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QDrag* drag = new QDrag(this);
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QMimeData* mimeData = new QMimeData;
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QStringList selectedTexts;
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foreach (QTableWidgetItem* item, selectedItems()) {
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if (item->column() == 1) {
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selectedTexts << item->text();
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}
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}
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mimeData->setData("application/x-custom-data", selectedTexts.join("|").toUtf8());
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drag->setMimeData(mimeData);
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QPixmap pixmap(100, 50);
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pixmap.fill(Qt::lightGray);
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QPainter painter(&pixmap);
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painter.drawText(pixmap.rect(), Qt::AlignCenter, QString("%1 ITEM").arg(selectedTexts.count()));
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drag->setPixmap(pixmap);
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drag->exec(Qt::CopyAction | Qt::MoveAction);
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}
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void CustomTableWidget::mousePressEvent(QMouseEvent* event)
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{
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QTableWidget::mousePressEvent(event);
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if (event->button() == Qt::LeftButton) {
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startPos_ = event->pos();
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}
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}
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