63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
#include "gameview.h"
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#include "gamescene.h"
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#include <QResizeEvent>
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#include <QAction>
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#include <QRubberBand>
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GameView::GameView(QGraphicsScene *scene, QWidget *parent)
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: QGraphicsView(scene, parent), rubberBand(0)
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{
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setBackgroundBrush(QBrush(QColor(0, 0, 0)));
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setRenderHints(QPainter::TextAntialiasing | QPainter::Antialiasing/* | QPainter::SmoothPixmapTransform*/);
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setFocusPolicy(Qt::NoFocus);
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setViewportUpdateMode(BoundingRectViewportUpdate);
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connect(scene, SIGNAL(sceneRectChanged(const QRectF &)), this, SLOT(updateSceneRect(const QRectF &)));
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connect(scene, SIGNAL(sigStartRubberBand(const QPointF &)), this, SLOT(startRubberBand(const QPointF &)));
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connect(scene, SIGNAL(sigResizeRubberBand(const QPointF &)), this, SLOT(resizeRubberBand(const QPointF &)));
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connect(scene, SIGNAL(sigStopRubberBand()), this, SLOT(stopRubberBand()));
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aCloseMostRecentZoneView = new QAction(this);
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aCloseMostRecentZoneView->setShortcut(tr("Esc"));
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connect(aCloseMostRecentZoneView, SIGNAL(triggered()), scene, SLOT(closeMostRecentZoneView()));
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addAction(aCloseMostRecentZoneView);
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}
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void GameView::resizeEvent(QResizeEvent *event)
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{
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QGraphicsView::resizeEvent(event);
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GameScene *s = dynamic_cast<GameScene *>(scene());
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if (s) {
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s->processViewSizeChange(event->size());
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}
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updateSceneRect(scene()->sceneRect());
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}
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void GameView::updateSceneRect(const QRectF &rect)
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{
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fitInView(rect, Qt::KeepAspectRatio);
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}
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void GameView::startRubberBand(const QPointF &_selectionOrigin)
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{
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selectionOrigin = _selectionOrigin;
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rubberBand = new QRubberBand(QRubberBand::Rectangle, this);
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rubberBand->setGeometry(QRect(mapFromScene(selectionOrigin), QSize(0, 0)));
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rubberBand->show();
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}
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void GameView::resizeRubberBand(const QPointF &cursorPoint)
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{
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if (rubberBand)
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rubberBand->setGeometry(QRect(mapFromScene(selectionOrigin), mapFromScene(cursorPoint)).normalized());
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}
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void GameView::stopRubberBand()
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{
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if (rubberBand) {
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rubberBand->deleteLater();
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rubberBand = 0;
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}
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}
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