big progress on graph editor

ui/clickablelabel.cpp

@@ -0,0 +1,13 @@
+#include "clickablelabel.h"
+
+ClickableLabel::ClickableLabel(QWidget *parent, Qt::WindowFlags f) :
+	QLabel(parent, f)
+{}
+
+ClickableLabel::ClickableLabel(const QString &text, QWidget *parent, Qt::WindowFlags f) :
+	QLabel(text, parent, f)
+{}
+
+void ClickableLabel::mousePressEvent(QMouseEvent *) {
+	emit clicked();
+}