69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
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//
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// Created by Krad on 2021/11/23.
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//
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#include "SlideableTableView.h"
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#include <QScrollBar>
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#include <QMouseEvent>
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#include <QApplication>
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SlideableTableView::SlideableTableView(QWidget *parent) : QTableView(parent) {
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}
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SlideableTableView::~SlideableTableView() {
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}
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void SlideableTableView::mousePressEvent(QMouseEvent *ev) {
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isDragging = true;
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ox = ev->pos().x();
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oy = ev->pos().y();
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ov = this->verticalScrollBar()->value();
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QTableView::mousePressEvent(ev);
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}
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void SlideableTableView::mouseMoveEvent(QMouseEvent *ev) {
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if (!isDragging)
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{
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QTableView::mouseMoveEvent(ev);
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return;
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} else{
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if (this->verticalScrollBar()->isVisible())
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{
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int nv = (int)round(((double)ov*30.0+((double)(oy-ev->pos().y())))/30.0);
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int max = this->verticalScrollBar()->maximum();
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int min = this->verticalScrollBar()->minimum();
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printf("max:%d, min:%d, nv:%d\r\n", max, min, nv);
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nv = nv>max?max:(nv<min?min:nv);
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this->verticalScrollBar()->setValue(nv);
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}
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// if (this->verticalScrollBar()->isVisible())
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// {
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// this->verticalScrollBar()->setPageStep(this->viewport()->height());
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// this->verticalScrollBar()->setRange(0,this->height());
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// int nv =this->verticalScrollBar()->value()+(oy-ev->pos().y());
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// int max = this->verticalScrollBar()->maximum();
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// int min = this->verticalScrollBar()->minimum();
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// printf("max:%d, min:%d, nv:%d\r\n", max, min, nv);
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// nv = nv>max?max:(nv<min?min:nv);
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//
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//// this->verticalScrollBar()->setValue(nv);
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// return;
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// }
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}
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QTableView::mouseMoveEvent(ev);
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}
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void SlideableTableView::mouseReleaseEvent(QMouseEvent *ev) {
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if (!isDragging)
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{
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isDragging = false;
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}
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if (this->verticalScrollBar()->isVisible())
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{
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QApplication::sendEvent(this->verticalScrollBar(),ev);
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}
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QTableView::mouseReleaseEvent(ev);
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}
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