From c406f945924412f4c472413b578e396036e63626 Mon Sep 17 00:00:00 2001
From: Thomas Martitz <kugel@rockbox.org>
Date: Fri, 27 Jan 2012 00:05:20 +0100
Subject: Lua: Add pluginlib_actions wrapper for lua scripts.

Scripts can now make use of PLA_* actions to be more target independant.

Change-Id: I1b9f69e07f41b2187ecc1bad25a2c20eaaef92b4
---
 apps/plugins/lua/action_helper.pl |  6 ++++++
 apps/plugins/lua/lua.make         |  2 +-
 apps/plugins/lua/rocklib.c        | 20 ++++++++++++++++++++
 3 files changed, 27 insertions(+), 1 deletion(-)

(limited to 'apps')

diff --git a/apps/plugins/lua/action_helper.pl b/apps/plugins/lua/action_helper.pl
index eb66c2b01e..f225952bf9 100755
--- a/apps/plugins/lua/action_helper.pl
+++ b/apps/plugins/lua/action_helper.pl
@@ -28,6 +28,12 @@ while(my $line = <STDIN>)
         $actions[$i] = sprintf("\t%s = %d,\n", $1, $i);
         $i++;
     }
+    elsif($line =~ /^\s*(PLA_[^\s]+)(\s*=.*)?,\s*$/)
+    {
+        # PLA_* begins at LAST_ACTION_PLACEHOLDER+1, thus i+1
+        $actions[$i] = sprintf("\t%s = %d,\n", $1, $i+1);
+        $i++;
+    }
     elsif($line =~ /^\s*(CONTEXT_[^\s]+)(\s*=.*)?,\s*$/)
     {
         $contexts[$j] = sprintf("\t%s = %d,\n", $1, $j);
diff --git a/apps/plugins/lua/lua.make b/apps/plugins/lua/lua.make
index f4dd7710c9..9e2db62e39 100644
--- a/apps/plugins/lua/lua.make
+++ b/apps/plugins/lua/lua.make
@@ -33,7 +33,7 @@ endif
 $(LUA_BUILDDIR)/lua.rock: $(LUA_OBJ) $(LUA_BUILDDIR)/actions.lua $(LUA_BUILDDIR)/buttons.lua $(LUA_BUILDDIR)/rocklib_aux.o
 
 $(LUA_BUILDDIR)/actions.lua: $(LUA_OBJ) $(LUA_SRCDIR)/action_helper.pl
-	$(call PRINTS,GEN $(@F))$(CC) $(PLUGINFLAGS) $(INCLUDES) -E $(APPSDIR)/action.h | $(LUA_SRCDIR)/action_helper.pl > $(LUA_BUILDDIR)/actions.lua
+	$(call PRINTS,GEN $(@F))$(CC) $(PLUGINFLAGS) $(INCLUDES) -E $(APPSDIR)/plugins/lib/pluginlib_actions.h | $(LUA_SRCDIR)/action_helper.pl > $(LUA_BUILDDIR)/actions.lua
 
 $(LUA_BUILDDIR)/buttons.lua: $(LUA_OBJ) $(LUA_SRCDIR)/button_helper.pl
 	$(SILENT)$(CC) $(INCLUDES) -dM -E -include button-target.h - < /dev/null | $(LUA_SRCDIR)/button_helper.pl | $(HOSTCC) -fno-builtin $(INCLUDES) -x c -o $(LUA_BUILDDIR)/button_helper -
diff --git a/apps/plugins/lua/rocklib.c b/apps/plugins/lua/rocklib.c
index 8e1ab19941..809b269b47 100644
--- a/apps/plugins/lua/rocklib.c
+++ b/apps/plugins/lua/rocklib.c
@@ -28,6 +28,7 @@
 #include "lauxlib.h"
 #include "rocklib.h"
 #include "lib/helper.h"
+#include "lib/pluginlib_actions.h"
 
 /*
  * http://www.lua.org/manual/5.1/manual.html#lua_CFunction
@@ -613,6 +614,24 @@ RB_WRAP(backlight_brightness_set)
 SIMPLE_VOID_WRAPPER(backlight_brightness_use_setting);
 #endif
 
+RB_WRAP(get_plugin_action)
+{
+    static const struct button_mapping *m1[] = { pla_main_ctx };
+    int timeout = luaL_checkint(L, 1);
+    int btn;
+#ifdef HAVE_REMOTE_LCD
+    static const struct button_mapping *m2[] = { pla_main_ctx, pla_remote_ctx };
+    bool with_remote = luaL_optint(L, 2, 0);
+    if (with_remote)
+        btn = pluginlib_getaction(timeout, m2, 2);
+    else
+#endif
+        btn = pluginlib_getaction(timeout, m1, 1);
+
+    lua_pushinteger(L, btn);
+    return 1;
+}
+
 #define R(NAME) {#NAME, rock_##NAME}
 static const luaL_Reg rocklib[] =
 {
@@ -670,6 +689,7 @@ static const luaL_Reg rocklib[] =
     R(backlight_brightness_set),
     R(backlight_brightness_use_setting),
 #endif
+    R(get_plugin_action),
 
     {"new_image", rli_new},
 
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