Add tooltip recursive checkbox

rtdata/languages/default

@@ -2204,6 +2204,7 @@ TP_LOCALLAB_LABGRID_VALUES;High(a)=%1 High(b)=%2\nLow(a)=%3 Low(b)=%4
 TP_LOCALLAB_LABGRID;Color correction grid
 TP_LOCALLAB_LEVELWAV_TOOLTIP;The Level is automatically adapted to the size of the spot and the preview.\nFrom level 9 size max 512 to level 1 size max = 4
 TP_LOCALLAB_RECURS;Recursive references
+TP_LOCALLAB_RECURS_TOOLTIP;Recalculate references for hue, luma, chroma after each module and after each RT-spot.
 TP_LOCALLAB_SATUR;Saturation
 TP_LOCALLAB_SENSIDEN;Scope
 TP_LOCALLAB_SENSIEXCLU;Scope

rtgui/controlspotpanel.cc

@@ -287,6 +287,7 @@ ControlSpotPanel::ControlSpotPanel():
     recursConn_  = recurs_->signal_toggled().connect(
             sigc::mem_fun(*this, &ControlSpotPanel::recursChanged));
     pack_start(*recurs_);
+    if(showtooltip) recurs_->set_tooltip_text(M("TP_LOCALLAB_RECURS_TOOLTIP"));
     
     Gtk::Frame* const maskFrame = Gtk::manage(new Gtk::Frame(M("TP_LOCALLAB_MASFRAME")));
     maskFrame->set_label_align(0.025, 0.5);