From 2795de2e7fdaeb6e9f672e0dc73dea328f35e585 Mon Sep 17 00:00:00 2001
From: Soeren Apel <soeren@apelpie.net>
Date: Sun, 10 Jun 2018 08:54:46 +0200
Subject: [PATCH 1/1] Fix #979 by querying trigger types only once and storing
 them

---
 pv/views/trace/logicsignal.cpp | 4 ++--
 pv/views/trace/logicsignal.hpp | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/pv/views/trace/logicsignal.cpp b/pv/views/trace/logicsignal.cpp
index 870af9c5..79065ebd 100644
--- a/pv/views/trace/logicsignal.cpp
+++ b/pv/views/trace/logicsignal.cpp
@@ -103,6 +103,7 @@ LogicSignal::LogicSignal(
 	shared_ptr<data::SignalBase> base) :
 	Signal(session, base),
 	device_(device),
+	trigger_types_(get_trigger_types()),
 	trigger_none_(nullptr),
 	trigger_rising_(nullptr),
 	trigger_high_(nullptr),
@@ -295,9 +296,8 @@ void LogicSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
 	// Draw the trigger marker
 	if (base_->enabled() && trigger_match_) {
 		const int y = get_visual_y();
-		const vector<int32_t> trig_types = get_trigger_types();
 
-		for (int32_t type_id : trig_types) {
+		for (int32_t type_id : trigger_types_) {
 			const TriggerMatchType *const type =
 				TriggerMatchType::get(type_id);
 			if (trigger_match_ != type || type_id < 0 ||
diff --git a/pv/views/trace/logicsignal.hpp b/pv/views/trace/logicsignal.hpp
index e49d69b3..45e815ba 100644
--- a/pv/views/trace/logicsignal.hpp
+++ b/pv/views/trace/logicsignal.hpp
@@ -147,6 +147,7 @@ private:
 	QSpinBox *signal_height_sb_;
 
 	const sigrok::TriggerMatchType *trigger_match_;
+	const vector<int32_t> trigger_types_;
 	QToolBar *trigger_bar_;
 	QAction *trigger_none_;
 	QAction *trigger_rising_;
-- 
2.30.2