From 7c59d0dcc440020ec92563c385cc61bce308b069 Mon Sep 17 00:00:00 2001
From: Maciej Suminski <maciej.suminski@cern.ch>
Date: Mon, 18 May 2015 13:48:11 +0200
Subject: [PATCH] Layer toggling with 'Place Via' hot key when router is

---
 pcbnew/tools/common_actions.cpp |  4 ++++
 pcbnew/tools/common_actions.h   |  1 +
 pcbnew/tools/pcbnew_control.cpp | 17 ++++++++++++++++-
 pcbnew/tools/pcbnew_control.h   |  1 +
 4 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/pcbnew/tools/common_actions.cpp b/pcbnew/tools/common_actions.cpp
index fea8eacc12..a7df2afae0 100644
--- a/pcbnew/tools/common_actions.cpp
+++ b/pcbnew/tools/common_actions.cpp
@@ -293,6 +293,10 @@ TOOL_ACTION COMMON_ACTIONS::layerPrev( "pcbnew.Control.layerPrev",
         AS_GLOBAL, TOOL_ACTION::LegacyHotKey( HK_SWITCH_LAYER_TO_PREVIOUS ),
         "", "" );
 
+TOOL_ACTION COMMON_ACTIONS::layerToggle( "pcbnew.Control.layerToggle",
+        AS_GLOBAL, TOOL_ACTION::LegacyHotKey( HK_ADD_THROUGH_VIA ),
+        "", "" );
+
 TOOL_ACTION COMMON_ACTIONS::layerAlphaInc( "pcbnew.Control.layerAlphaInc",
         AS_GLOBAL, '}',
         "", "" );
diff --git a/pcbnew/tools/common_actions.h b/pcbnew/tools/common_actions.h
index 08b3a049c2..8835a951f2 100644
--- a/pcbnew/tools/common_actions.h
+++ b/pcbnew/tools/common_actions.h
@@ -217,6 +217,7 @@ public:
     static TOOL_ACTION layerPrev;
     static TOOL_ACTION layerAlphaInc;
     static TOOL_ACTION layerAlphaDec;
+    static TOOL_ACTION layerToggle;
 
     static TOOL_ACTION layerChanged;        // notification
 
diff --git a/pcbnew/tools/pcbnew_control.cpp b/pcbnew/tools/pcbnew_control.cpp
index aee1eb30ff..fc73206f6c 100644
--- a/pcbnew/tools/pcbnew_control.cpp
+++ b/pcbnew/tools/pcbnew_control.cpp
@@ -344,6 +344,20 @@ int PCBNEW_CONTROL::LayerPrev( const TOOL_EVENT& aEvent )
 }
 
 
+int PCBNEW_CONTROL::LayerToggle( const TOOL_EVENT& aEvent )
+{
+    LAYER_NUM currentLayer = m_frame->GetActiveLayer();
+    PCB_SCREEN* screen = m_frame->GetScreen();
+
+    if( currentLayer == screen->m_Route_Layer_TOP )
+        m_frame->SwitchLayer( NULL, screen->m_Route_Layer_BOTTOM );
+    else
+        m_frame->SwitchLayer( NULL, screen->m_Route_Layer_TOP );
+
+    return 0;
+}
+
+
 int PCBNEW_CONTROL::LayerAlphaInc( const TOOL_EVENT& aEvent )
 {
     KIGFX::PCB_PAINTER* painter =
@@ -559,8 +573,9 @@ void PCBNEW_CONTROL::SetTransitions()
     Go( &PCBNEW_CONTROL::LayerSwitch,        COMMON_ACTIONS::layerBottom.MakeEvent() );
     Go( &PCBNEW_CONTROL::LayerNext,          COMMON_ACTIONS::layerNext.MakeEvent() );
     Go( &PCBNEW_CONTROL::LayerPrev,          COMMON_ACTIONS::layerPrev.MakeEvent() );
+    Go( &PCBNEW_CONTROL::LayerToggle,        COMMON_ACTIONS::layerToggle.MakeEvent() );
     Go( &PCBNEW_CONTROL::LayerAlphaInc,      COMMON_ACTIONS::layerAlphaInc.MakeEvent() );
-    Go( &PCBNEW_CONTROL::LayerAlphaDec ,     COMMON_ACTIONS::layerAlphaDec.MakeEvent() );
+    Go( &PCBNEW_CONTROL::LayerAlphaDec,      COMMON_ACTIONS::layerAlphaDec.MakeEvent() );
 
     // Grid control
     Go( &PCBNEW_CONTROL::GridFast1,          COMMON_ACTIONS::gridFast1.MakeEvent() );
diff --git a/pcbnew/tools/pcbnew_control.h b/pcbnew/tools/pcbnew_control.h
index 4275b9afbb..873d5b5292 100644
--- a/pcbnew/tools/pcbnew_control.h
+++ b/pcbnew/tools/pcbnew_control.h
@@ -63,6 +63,7 @@ public:
     int LayerSwitch( const TOOL_EVENT& aEvent );
     int LayerNext( const TOOL_EVENT& aEvent );
     int LayerPrev( const TOOL_EVENT& aEvent );
+    int LayerToggle( const TOOL_EVENT& aEvent );
     int LayerAlphaInc( const TOOL_EVENT& aEvent );
     int LayerAlphaDec( const TOOL_EVENT& aEvent );