get rid of transparent keys as part of the coming sticky cleanup

generate_layout.rb

@@ -18,17 +18,16 @@ class Key
   Layers = [ :basic, :punc, :nav, :func ]
 
   Functions = {
-    #            	    	down                                   	up
-    "basic"      	=> [	"&kbfun_press_release",                	                      	],
-    "media"      	=> [	"&kbfun_mediakey_press_release",       	                      	],
-    "transparent"	=> [	"&kbfun_transparent",                  	                      	],
-    #            	    	down                                   	up
-    "layer"      	=> [	"&kbfun_layer_enable",                 	"&kbfun_layer_disable"	],
-    "latch"      	=> [	"&kbfun_layer_sticky",                 	                      	],
-    #            	    	down                                   	up
-    "shifted"    	=> [	"&kbfun_shift_press_release",          	                      	],
-    "ctrled"     	=> [	"&kbfun_control_press_release",        	                      	],
-    "capslock"   	=> [	"&kbfun_2_keys_capslock_press_release",	                      	],
+    #         	    	down                                   	up
+    "basic"   	=> [	"&kbfun_press_release",                	                      	],
+    "media"   	=> [	"&kbfun_mediakey_press_release",       	                      	],
+    #         	    	down                                   	up
+    "layer"   	=> [	"&kbfun_layer_enable",                 	"&kbfun_layer_disable"	],
+    "latch"   	=> [	"&kbfun_layer_sticky",                 	                      	],
+    #         	    	down                                   	up
+    "shifted" 	=> [	"&kbfun_shift_press_release",          	                      	],
+    "ctrled"  	=> [	"&kbfun_control_press_release",        	                      	],
+    "capslock"	=> [	"&kbfun_2_keys_capslock_press_release",	                      	],
   }
 
   Keys = {
@@ -187,18 +186,25 @@ class Key
   end
 
   def initialize layers
-    @layers = layers.map do |key, type|
-      raise "key not found: #{key}"  	if not Keys.include? key      	and not key.nil?
-      raise "type not found: #{type}"	if not Functions.include? type	and not type.nil?
+    @layers = Array.new(layers.size)
 
-      # just fall through by default
-      type    	= "transparent"  	if type.nil? and key.nil?
-      key     	= Keys[key]      	|| "KEY_NULL"
+    layers.each.with_index do |(key, type), i|
+      if type.nil? and key.nil?
+        @layers[i] = @layers[i-1]
+        next
+      end
+
+      keycode 	= Keys[key]
       up, down	= Functions[type]	|| Functions["basic"]
       down    	||= up
 
-      Layer.new key, down, up
+      raise "key not found: #{key}"  	if keycode.nil?
+      raise "type not found: #{type}"	if up.nil? or down.nil?
+
+      @layers[i] = Layer.new(keycode, down, up)
     end
+
+    raise "transparency error: #{layers}" if @layers.any?(&:nil?)
   end
 end
 
@@ -240,7 +246,7 @@ end
 
 keys = [
   #  	letter      	type    	      	punc	type   	      	nav      	type 	      	func          	type 	
-  %w{	            	        	}, %w{	    	       	}, %w{	         	     	}, %w{	              	     	},	# dummy key
+  %w{	NULL        	        	}, %w{	    	       	}, %w{	         	     	}, %w{	              	     	},	# dummy key
   #  	            	        	      	    	       	      	         	     	      	              	     	  	
   #  	left hand   	        	      	    	       	      	         	     	      	              	     	  	
   #  	number      	        	      	    	       	      	         	     	      	              	     	  	
@@ -313,7 +319,7 @@ keys = [
   %w{	0           	        	}, %w{	f12 	       	}, %w{	f12      	     	}, %w{	f12           	     	},
   #  	top         	        	      	    	       	      	         	     	      	              	     	  	
   #  	letter      	type    	      	punc	type   	      	nav      	type 	      	func          	type 	  	
-  %w{	            	        	}, %w{	    	       	}, %w{	         	     	}, %w{	              	     	},	# 1.5
+  %w{	NULL        	        	}, %w{	    	       	}, %w{	         	     	}, %w{	              	     	},	# 1.5
   %w{	k           	        	}, %w{	=   	       	}, %w{	9        	     	}, %w{	f9            	     	},
   %w{	h           	        	}, %w{	>   	shifted	}, %w{	5        	     	}, %w{	f5            	     	},
   %w{	g           	        	}, %w{	"   	shifted	}, %w{	6        	     	}, %w{	f6            	     	},

src/main.c

@@ -375,20 +375,6 @@ void kbfun_press_release_preserve_sticky() {
   _kbfun_press_release(current_is_pressed, keycode);
 }
 
-/*
- * Execute the key that would have been executed if the current layer was not
- * active
- */
-void kbfun_transparent(void) {
-  // TODO maybe re-implement this cleaner?
-  trans_key_pressed = true;
-  layer_offset++;
-  current_layer = layer_peek(layer_offset);
-  layers_pressed[current_row][current_col] = current_layer;
-  exec_key();
-}
-
-
 // ----------------------------------------------------------------------------
 // layer helper functions
 // ----------------------------------------------------------------------------

src/main.h

@@ -6,7 +6,6 @@ void kbfun_shift_press_release(void);
 void kbfun_layer_disable();
 void kbfun_layer_sticky();
 void kbfun_layer_enable();
-void kbfun_transparent(void);
 void kbfun_press_release_preserve_sticky();
 void kbfun_press_release();
 uint8_t _kbfun_get_keycode();