Graphic setCustomGridMarkFuncs, select decimal point when export to CSV

libs/graphic/graphic_conf.cpp

@@ -101,6 +101,11 @@ void GraphicConf::on_checkFill_toggled(bool on) {
 }
 
 
+void GraphicConf::on_buttonExport_clicked() {
+	emit exportClicked();
+}
+
+
 void GraphicConf::on_colorFill_colorChanged(const QColor & color) {
 	if (graphicItems.isEmpty()) return;
 	graphics[ui->cbGraphicNames->currentIndex()].fill_color = color;