mirror of
https://gitlab.com/smart-pattern/valentina.git
synced 2024-07-01 00:28:12 +02:00
38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Weffc++"
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#pragma GCC diagnostic ignored "-Wconversion"
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#pragma GCC diagnostic ignored "-Wsign-conversion"
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#pragma GCC diagnostic ignored "-Wctor-dtor-privacy"
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#include "vmaingraphicsview.h"
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#include <QApplication>
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#include <QWheelEvent>
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#include <QScrollBar>
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#pragma GCC diagnostic pop
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VMainGraphicsView::VMainGraphicsView(QWidget *parent) :
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QGraphicsView(parent){
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QGraphicsView::setResizeAnchor(QGraphicsView::AnchorUnderMouse);
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setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
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}
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void VMainGraphicsView::wheelEvent(QWheelEvent *event){
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if (QApplication::keyboardModifiers() == Qt::ControlModifier){
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// Если нажата клавиша CTRL этот код выполнится
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if ((event->delta())>0){
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ZoomIn();
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} else if ((event->delta())<0){
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ZoomOut();
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}
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} else {
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verticalScrollBar()->setValue(verticalScrollBar()->value() - event->delta());
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}
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}
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void VMainGraphicsView::ZoomIn(){
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scale(1.1,1.1);
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}
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void VMainGraphicsView::ZoomOut(){
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scale(1/1.1,1/1.1);
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}
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