initial commit

mapview/tools/ToolMoveMap.h

@@ -0,0 +1,49 @@
+#ifndef TOOLMOVEMAP_H
+#define TOOLMOVEMAP_H
+
+#include "Tool.h"
+#include "../MapView2D.h"
+
+/**
+ *
+ */
+class ToolMoveMap : public Tool {
+
+private:
+
+	bool mouseIsDown = false;
+	Point3 startOffset;
+	int sx;
+	int sy;
+
+	virtual void mousePressEvent(MapView2D* m, QMouseEvent* e) override {
+		if (e->button() == Qt::MouseButton::MidButton) {
+			mouseIsDown = true;
+			this->sx = e->x();
+			this->sy = e->y();
+			this->startOffset = m->getScaler().getOffset();
+		}
+	}
+
+	virtual void mouseMoveEvent(MapView2D* m, QMouseEvent* e) override {
+		if (!mouseIsDown) {return;}
+		m->getScaler().setOffset(startOffset);
+		m->getScaler().addOffset(e->x()-sx, e->y()-sy);
+	}
+
+	virtual void mouseReleaseEvent(MapView2D* m, QMouseEvent* e) override {
+		(void) m;
+		(void) e;
+		mouseIsDown = false;
+	}
+
+	virtual void keyPressEvent(MapView2D* m, QKeyEvent* e) override {
+		(void) m;
+		(void) e;
+		// TODO: move on arrow keys?
+	}
+
+
+};
+
+#endif // TOOLMOVEMAP_H