From beab55a49e94d62e5750205d343ddef8fb0dcc90 Mon Sep 17 00:00:00 2001
From: "Charles J. Cliffe" <cj@cubicproductions.com>
Date: Wed, 13 Jan 2016 00:23:06 -0500
Subject: [PATCH] Press 'c' on waterfall/demod to center to frequency

---
 src/visual/WaterfallCanvas.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/visual/WaterfallCanvas.cpp b/src/visual/WaterfallCanvas.cpp
index 2e5bffa..b79515f 100644
--- a/src/visual/WaterfallCanvas.cpp
+++ b/src/visual/WaterfallCanvas.cpp
@@ -441,6 +441,21 @@ void WaterfallCanvas::OnKeyDown(wxKeyEvent& event) {
     case WXK_SPACE:
         wxGetApp().showFrequencyInput();
         break;
+    case 'C':
+        if (wxGetApp().getDemodMgr().getActiveDemodulator()) {
+            wxGetApp().setFrequency(wxGetApp().getDemodMgr().getActiveDemodulator()->getFrequency());
+        } else if (mouseTracker.mouseInView()) {
+            long long freq = getFrequencyAt(mouseTracker.getMouseX());
+            
+            int snap = wxGetApp().getFrequencySnap();
+            
+            if (snap > 1) {
+                freq = roundf((float)freq/(float)snap)*snap;
+            }
+            
+            wxGetApp().setFrequency(freq);
+        }
+        break;
     default:
         event.Skip();
         return;