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1 changed files with 12 additions and 1 deletions

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@ -1,4 +1,5 @@
#include "PreviewWindow.h"
#include <QApplication>
PreviewWindow::PreviewWindow(QWidget *parent) : QOpenGLWidget(parent)
{
@ -84,7 +85,17 @@ void PreviewWindow::mouseMoveEvent(QMouseEvent* event)
int dx = event->x() - m_lastPos.x();
int dy = event->y() - m_lastPos.y();
if (currentLayer != nullptr) {
if (event->buttons() & Qt::LeftButton) {
if (QApplication::keyboardModifiers() == Qt::ControlModifier && (event->buttons() & Qt::LeftButton))
{
currentLayer->property.scale.setX(std::max(0.0, currentLayer->property.scale.x() + dx / 50.0));
currentLayer->property.scale.setY(std::max(0.0, currentLayer->property.scale.y() + dy / 50.0));
}
else if (QApplication::keyboardModifiers() == (Qt::ControlModifier | Qt::ShiftModifier) && (event->buttons() & Qt::LeftButton))
{
currentLayer->property.scale.setX(std::max(0.0, currentLayer->property.scale.x() * (1.0 + dx / 50.0)));
currentLayer->property.scale.setY(std::max(0.0, currentLayer->property.scale.y() * (1.0 + dx / 50.0)));
}
else if (event->buttons() & Qt::LeftButton) {
// 如果按下的是左键,那么平移图形
currentLayer->property.offset.setX(currentLayer->property.offset.x() + dx);
currentLayer->property.offset.setY(currentLayer->property.offset.y() + dy);