RasterProcessTool/RasterMainWidgetGUI/RasterMainWidget/maptoolpan.cpp

#include <QtCore/QEvent>

#include <maptoolpan.h>
#include <mapcanvas.h>
#pragma execution_character_set("utf-8")

namespace LAMPMainWidget {

	void
		MapToolPan::execute(QMouseEvent* event) {
		if (!(event->button() & Qt::LeftButton)) {
			return;
		}

		auto type = event->type();
		if (QEvent::MouseButtonPress == type) {
			mDragStartPos = event->pos();
		}

		if (QEvent::MouseButtonRelease == type) {
			mDragEndPos = event->pos();
			QRectF dragRect{ mDragStartPos, mDragEndPos };
			mMapCanvas->mDragRect = dragRect;
			mMapCanvas->updateViewExtent();
		}
	}

	void
		MapToolPan::setup() {
		mMapCanvas->setDragMode(MapCanvas::DragMode::ScrollHandDrag);
	}

	QString
		MapToolPan::id() {
		return QString{ "pan_tool" };
	}

	void
		MapToolPan::deSetup() {
		mMapCanvas->setDragMode(MapCanvas::DragMode::NoDrag);
	}

}