From fa66a5a8f3247daa39906d4f95cc184a258f609a Mon Sep 17 00:00:00 2001
From: jean-pierre charras <jp.charras@wanadoo.fr>
Date: Sat, 17 Jun 2017 18:11:40 +0200
Subject: [PATCH] Pcbnew: make hotkeys { and } used to control the layer
 transparency (alpha channel) in GAL visible (and editable) in hotkey list.

---
 pcbnew/hotkeys.cpp              | 17 ++++++++++++++---
 pcbnew/hotkeys.h                |  4 +++-
 pcbnew/tools/pcbnew_control.cpp |  4 ++--
 3 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/pcbnew/hotkeys.cpp b/pcbnew/hotkeys.cpp
index e559b9f2ce..e4239518bf 100644
--- a/pcbnew/hotkeys.cpp
+++ b/pcbnew/hotkeys.cpp
@@ -1,8 +1,8 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2007-2014 Jean-Pierre Charras, jp.charras at wanadoo.fr
- * Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.txt for contributors.
+ * Copyright (C) 2007-2017 Jean-Pierre Charras, jp.charras at wanadoo.fr
+ * Copyright (C) 1992-2017 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -98,7 +98,6 @@ static EDA_HOTKEY HkSavefile( _HKI( "Save Board" ), HK_SAVE_BOARD, 'S' + GR_KB_C
 static EDA_HOTKEY HkSavefileAs( _HKI( "Save Board As" ), HK_SAVE_BOARD_AS, 'S' + GR_KB_CTRL + GR_KB_SHIFT );
 static EDA_HOTKEY HkLoadfile( _HKI( "Load Board" ), HK_LOAD_BOARD, 'L' + GR_KB_CTRL );
 static EDA_HOTKEY HkFindItem( _HKI( "Find Item" ), HK_FIND_ITEM, 'F' + GR_KB_CTRL );
-static EDA_HOTKEY HkZoomSelection( _HKI( "Zoom to Selection" ), HK_ZOOM_SELECTION, '@', ID_ZOOM_SELECTION );
 static EDA_HOTKEY HkBackspace( _HKI( "Delete Track Segment" ), HK_BACK_SPACE, WXK_BACK );
 static EDA_HOTKEY HkAddNewTrack( _HKI( "Add New Track" ), HK_ADD_NEW_TRACK, 'X' );
 static EDA_HOTKEY HkAddThroughVia( _HKI( "Add Through Via" ), HK_ADD_THROUGH_VIA, 'V' );
@@ -186,6 +185,9 @@ static EDA_HOTKEY HkZoomOut( _HKI( "Zoom Out" ), HK_ZOOM_OUT, WXK_F2 );
 static EDA_HOTKEY HkZoomOut( _HKI( "Zoom Out" ), HK_ZOOM_OUT, GR_KB_CTRL + '-' );
 #endif
 
+static EDA_HOTKEY HkZoomSelection( _HKI( "Zoom to Selection" ), HK_ZOOM_SELECTION,
+                                   '@', ID_ZOOM_SELECTION );
+
 static EDA_HOTKEY Hk3DViewer( _HKI( "3D Viewer" ), HK_3D_VIEWER, GR_KB_ALT + '3' );
 
 static EDA_HOTKEY HkHelp( _HKI( "Help (this window)" ), HK_HELP, '?' );
@@ -223,10 +225,18 @@ static EDA_HOTKEY HkSwitchGridToPrevious( _HKI( "Switch Grid To Previous" ),
                                           HK_SWITCH_GRID_TO_PREVIOUS, 'N' + GR_KB_SHIFT );
 
 static EDA_HOTKEY HkSwitchUnits( _HKI( "Switch Units" ), HK_SWITCH_UNITS, 'U' + GR_KB_CTRL );
+
 static EDA_HOTKEY HkTrackDisplayMode( _HKI( "Track Display Mode" ),
                                       HK_SWITCH_TRACK_DISPLAY_MODE, 'K' );
+
 static EDA_HOTKEY HkAddModule( _HKI( "Add Footprint" ), HK_ADD_MODULE, 'O' );
 
+// These hotkeys work only in GAL canvas, because the legacy canvas using wxDC does not know
+// the transparency (alpha channel)
+static EDA_HOTKEY HkIncLayerAlhpa( _HKI( "Increment Layer Transparency" ), HK_INC_LAYER_ALHPA, '}' );
+
+static EDA_HOTKEY HkDecLayerAlhpa( _HKI( "Decrement Layer Transparency" ), HK_DEC_LAYER_ALHPA, '{' );
+
 // List of common hotkey descriptors
 EDA_HOTKEY* common_Hotkey_List[] =
 {
@@ -236,6 +246,7 @@ EDA_HOTKEY* common_Hotkey_List[] =
     &HkUndo,        &HkRedo,
     &HkMouseLeftClick,
     &HkMouseLeftDClick,
+    &HkIncLayerAlhpa, &HkDecLayerAlhpa,
     NULL
 };
 
diff --git a/pcbnew/hotkeys.h b/pcbnew/hotkeys.h
index ec5f6d36d4..36b91e944c 100644
--- a/pcbnew/hotkeys.h
+++ b/pcbnew/hotkeys.h
@@ -101,7 +101,9 @@ enum hotkey_id_commnand {
     HK_LEFT_CLICK,
     HK_LEFT_DCLICK,
     HK_ZONE_FILL_OR_REFILL,
-    HK_ZONE_REMOVE_FILLED
+    HK_ZONE_REMOVE_FILLED,
+    HK_INC_LAYER_ALHPA,
+    HK_DEC_LAYER_ALHPA
 };
 
 // Full list of hotkey descriptors for board editor and footprint editor
diff --git a/pcbnew/tools/pcbnew_control.cpp b/pcbnew/tools/pcbnew_control.cpp
index fc6a4b750d..5479eee90d 100644
--- a/pcbnew/tools/pcbnew_control.cpp
+++ b/pcbnew/tools/pcbnew_control.cpp
@@ -146,11 +146,11 @@ TOOL_ACTION PCB_ACTIONS::layerToggle( "pcbnew.Control.layerToggle",
         "", "" );
 
 TOOL_ACTION PCB_ACTIONS::layerAlphaInc( "pcbnew.Control.layerAlphaInc",
-        AS_GLOBAL, '}',
+        AS_GLOBAL, TOOL_ACTION::LegacyHotKey( HK_INC_LAYER_ALHPA ),
         "", "" );
 
 TOOL_ACTION PCB_ACTIONS::layerAlphaDec( "pcbnew.Control.layerAlphaDec",
-        AS_GLOBAL, '{',
+        AS_GLOBAL, TOOL_ACTION::LegacyHotKey( HK_DEC_LAYER_ALHPA ),
         "", "" );
 
 TOOL_ACTION PCB_ACTIONS::layerChanged( "pcbnew.Control.layerChanged",