Fix #717 by only updating the name widget when necessary

[pulseview.git] / pv / view / logicsignal.cpp

diff --git a/pv/view/logicsignal.cpp b/pv/view/logicsignal.cpp
index 717360b852fa65b9aedf5a513f578d47a45e1e40..5d3ac102164375ae9aae4c5b30284ee89853eb8e 100644 (file)
--- a/pv/view/logicsignal.cpp
+++ b/pv/view/logicsignal.cpp
@@ -113,7 +113,7 @@ LogicSignal::LogicSignal(
 {
        shared_ptr<Trigger> trigger;
 
-       colour_ = SignalColours[channel->index() % countof(SignalColours)];
+       set_colour(SignalColours[channel->index() % countof(SignalColours)]);
 
        /* Populate this channel's trigger setting with whatever we
         * find in the current session trigger, if anything. */
@@ -163,12 +163,6 @@ void LogicSignal::scale_handle_dragged(int offset)
        signal_height_ = ((units < 1) ? 1 : units) * font_height;
 }
 
-void LogicSignal::paint_back(QPainter &p, const ViewItemPaintParams &pp)
-{
-       if (channel_->enabled())
-               paint_axis(p, pp, get_visual_y());
-}
-
 void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
 {
        QLineF *line;
@@ -249,7 +243,7 @@ void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
 void LogicSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
 {
        // Draw the trigger marker
-       if (!trigger_match_)
+       if (!trigger_match_ || !channel_->enabled())
                return;
 
        const int y = get_visual_y();
@@ -447,8 +441,15 @@ void LogicSignal::modify_trigger()
                }
        }
 
-       if (trigger_match_)
-               new_trigger->add_stage()->add_match(channel_, trigger_match_);
+       if (trigger_match_) {
+               // Until we can let the user decide how to group trigger matches
+               // into stages, put all of the matches into a single stage --
+               // most devices only support a single trigger stage.
+               if (new_trigger->stages().empty())
+                       new_trigger->add_stage();
+
+               new_trigger->stages().back()->add_match(channel_, trigger_match_);
+       }
 
        session_.session()->set_trigger(
                new_trigger->stages().empty() ? nullptr : new_trigger);