From acfcfb09ce6b9d0e4a2aeb6e3259a90b86839143 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Mon, 30 Sep 2019 23:45:49 +0200
Subject: [PATCH] Hide context switch options, if no data is available.

---
 server/TracyView.cpp | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/server/TracyView.cpp b/server/TracyView.cpp
index bc6b365d..a23572f5 100644
--- a/server/TracyView.cpp
+++ b/server/TracyView.cpp
@@ -6478,27 +6478,31 @@ void View::DrawOptions()
     ImGui::Checkbox( "Draw empty labels", &val );
 #endif
     m_vd.drawEmptyLabels = val;
-    val = m_vd.drawContextSwitches;
+    if( m_worker.HasContextSwitches() )
+    {
+        ImGui::Separator();
+        val = m_vd.drawContextSwitches;
 #ifdef TRACY_EXTENDED_FONT
-    ImGui::Checkbox( ICON_FA_HIKING " Draw context switches", &val );
+        ImGui::Checkbox( ICON_FA_HIKING " Draw context switches", &val );
 #else
-    ImGui::Checkbox( "Draw context switches", &val );
+        ImGui::Checkbox( "Draw context switches", &val );
 #endif
-    m_vd.drawContextSwitches = val;
-    val = m_vd.darkenContextSwitches;
+        m_vd.drawContextSwitches = val;
+        val = m_vd.darkenContextSwitches;
 #ifdef TRACY_EXTENDED_FONT
-    ImGui::Checkbox( ICON_FA_MOON " Darken inactive threads", &val );
+        ImGui::Checkbox( ICON_FA_MOON " Darken inactive threads", &val );
 #else
-    ImGui::Checkbox( "Darken inactive threads", &val );
+        ImGui::Checkbox( "Darken inactive threads", &val );
 #endif
-    m_vd.darkenContextSwitches = val;
-    val = m_vd.drawCpuData;
+        m_vd.darkenContextSwitches = val;
+        val = m_vd.drawCpuData;
 #ifdef TRACY_EXTENDED_FONT
-    ImGui::Checkbox( ICON_FA_SLIDERS_H " Draw CPU data", &val );
+        ImGui::Checkbox( ICON_FA_SLIDERS_H " Draw CPU data", &val );
 #else
-    ImGui::Checkbox( "Draw CPU data", &val );
+        ImGui::Checkbox( "Draw CPU data", &val );
 #endif
-    m_vd.drawCpuData = val;
+        m_vd.drawCpuData = val;
+    }
     ImGui::Separator();
 
     const auto& gpuData = m_worker.GetGpuData();