5 files changed, 38 insertions, 7 deletions
diff --git a/core/io/json.cpp b/core/io/json.cpp
index a83d7e4d6e..88a23eb4cd 100644
--- a/core/io/json.cpp
+++ b/core/io/json.cpp
@@ -250,7 +250,7 @@ Error JSON::_get_token(const CharType *p_str, int &idx, int p_len, Token& r_toke
 				if (p_str[idx]=='-' || (p_str[idx]>='0' && p_str[idx]<='9')) {
 					//a number
 					const CharType *rptr;
-					double number = String::to_double(&p_str[idx],-1,&rptr);
+					double number = String::to_double(&p_str[idx],&rptr);
 					idx+=(rptr - &p_str[idx]);
 					r_token.type=TK_NUMBER;
 					r_token.value=number;
diff --git a/core/os/input.cpp b/core/os/input.cpp
index 4151c1b5a8..a827e75896 100644
--- a/core/os/input.cpp
+++ b/core/os/input.cpp
@@ -29,6 +29,7 @@
 #include "input.h"
 #include "input_map.h"
 #include "os/os.h"
+#include "globals.h"
 Input *Input::singleton=NULL;
 
 Input *Input::get_singleton() {
@@ -69,6 +70,30 @@ void Input::_bind_methods() {
 	ADD_SIGNAL( MethodInfo("joy_connection_changed", PropertyInfo(Variant::INT, "index"), PropertyInfo(Variant::BOOL, "connected")) );
 }
 
+void Input::get_argument_options(const StringName& p_function,int p_idx,List<String>*r_options) const {
+#ifdef TOOLS_ENABLED
+
+	String pf=p_function;
+	if (p_idx==0 && (pf=="is_action_pressed" || pf=="action_press" || pf=="action_release")) {
+
+		List<PropertyInfo> pinfo;
+		Globals::get_singleton()->get_property_list(&pinfo);
+
+		for(List<PropertyInfo>::Element *E=pinfo.front();E;E=E->next()) {
+			const PropertyInfo &pi=E->get();
+
+			if (!pi.name.begins_with("input/"))
+				continue;
+
+			String name = pi.name.substr(pi.name.find("/")+1,pi.name.length());
+			r_options->push_back("\""+name+"\"");
+
+		}
+	}
+#endif
+
+}
+
 Input::Input() {
 
 	singleton=this;
diff --git a/core/os/input.h b/core/os/input.h
index 1cb0f35d96..387a43a35a 100644
--- a/core/os/input.h
+++ b/core/os/input.h
@@ -76,6 +76,8 @@ public:
 	virtual void action_press(const StringName& p_action)=0;
 	virtual void action_release(const StringName& p_action)=0;
 
+	void get_argument_options(const StringName& p_function,int p_idx,List<String>*r_options) const;
+
 
 	Input();
 };
diff --git a/core/ustring.cpp b/core/ustring.cpp
index d75c21d16e..581cc29440 100644
--- a/core/ustring.cpp
+++ b/core/ustring.cpp
@@ -626,7 +626,7 @@ Vector<float> String::split_floats(const String &p_splitter,bool p_allow_empty)
 		if (end<0)
 			end=len;
 		if (p_allow_empty || (end>from))
-			ret.push_back(String::to_double(&c_str()[from],end-from));
+			ret.push_back(String::to_double(&c_str()[from]));
 
 		if (end==len)
 			break;
@@ -654,8 +654,9 @@ Vector<float> String::split_floats_mk(const Vector<String> &p_splitters,bool p_a
 			spl_len=p_splitters[idx].length();
 		}
 
-		if (p_allow_empty || (end>from))
-			ret.push_back(String::to_double(&c_str()[from],end-from));
+		if (p_allow_empty || (end>from)) {
+			ret.push_back(String::to_double(&c_str()[from]));
+		}
 
 		if (end==len)
 			break;
@@ -1959,8 +1960,10 @@ float String::to_float() const {
 	return to_double();
 }
 
-double String::to_double(const CharType* p_str, int p_len, const CharType **r_end)  {
+double String::to_double(const CharType* p_str, const CharType **r_end)  {
 
+	return built_in_strtod<CharType>(p_str,(CharType**)r_end);
+#if 0
 #if 0
 	//ndef NO_USE_STDLIB
 	return wcstod(p_str,p_len<0?NULL:p_str+p_len);
@@ -2053,6 +2056,7 @@ double String::to_double(const CharType* p_str, int p_len, const CharType **r_en
 
 	return sign*(integer+decimal)*Math::pow(10,exp_sign*exp);
 #endif
+#endif
 }
 
 int64_t String::to_int(const CharType* p_str,int p_len)  {
@@ -3437,7 +3441,7 @@ String String::percent_encode() const {
 		uint8_t c = cs[i];
 		if ( (c>='A' && c<='Z') || (c>='a' && c<='z') || (c>='0' && c<='9') || c=='-' || c=='_' || c=='~' || c=='.') {
 
-			char p[2]={c,0};
+			char p[2]={(char)c,0};
 			encoded+=p;
 		} else {
 			char p[4]={'%',0,0,0};
diff --git a/core/ustring.h b/core/ustring.h
index 8fe3a95463..e1d6761742 100644
--- a/core/ustring.h
+++ b/core/ustring.h
@@ -142,7 +142,7 @@ public:
 	int64_t to_int64() const;
 	static int to_int(const char* p_str);
 	static double to_double(const char* p_str);
-	static double to_double(const CharType* p_str, int p_len=-1, const CharType **r_end=NULL);
+	static double to_double(const CharType* p_str, const CharType **r_end=NULL);
 	static int64_t to_int(const CharType* p_str,int p_len=-1);
 	String capitalize() const;