libcamera: controls: Rename ControlValueType to ControlType

The type of a control value is also the type of the control. Shorten the
ControlValueType enumeration to ControlType, and rename ControlValue* to
ControlType* for better clarity.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

include/libcamera/controls.h

@@ -18,11 +18,11 @@ namespace libcamera {
 
 class Camera;
 
-enum ControlValueType {
-	ControlValueNone,
-	ControlValueBool,
-	ControlValueInteger,
-	ControlValueInteger64,
+enum ControlType {
+	ControlTypeNone,
+	ControlTypeBool,
+	ControlTypeInteger,
+	ControlTypeInteger64,
 };
 
 class ControlValue
@@ -33,8 +33,8 @@ public:
 	ControlValue(int value);
 	ControlValue(int64_t value);
 
-	ControlValueType type() const { return type_; };
-	bool isNone() const { return type_ == ControlValueNone; };
+	ControlType type() const { return type_; };
+	bool isNone() const { return type_ == ControlTypeNone; };
 
 	void set(bool value);
 	void set(int value);
@@ -47,7 +47,7 @@ public:
 	std::string toString() const;
 
 private:
-	ControlValueType type_;
+	ControlType type_;
 
 	union {
 		bool bool_;
@@ -59,7 +59,7 @@ private:
 struct ControlIdentifier {
 	ControlId id;
 	const char *name;
-	ControlValueType type;
+	ControlType type;
 };
 
 class ControlInfo
@@ -70,7 +70,7 @@ public:
 
 	ControlId id() const { return ident_->id; }
 	const char *name() const { return ident_->name; }
-	ControlValueType type() const { return ident_->type; }
+	ControlType type() const { return ident_->type; }
 
 	const ControlValue &min() const { return min_; }
 	const ControlValue &max() const { return max_; }

src/libcamera/controls.cpp

@@ -25,16 +25,16 @@ namespace libcamera {
 LOG_DEFINE_CATEGORY(Controls)
 
 /**
- * \enum ControlValueType
- * \brief Define the data type of value represented by a ControlValue
- * \var ControlValueNone
- * Identifies an unset control value
- * \var ControlValueBool
- * Identifies controls storing a boolean value
- * \var ControlValueInteger
- * Identifies controls storing an integer value
- * \var ControlValueInteger64
- * Identifies controls storing a 64-bit integer value
+ * \enum ControlType
+ * \brief Define the data type of a Control
+ * \var ControlTypeNone
+ * Invalid type, for empty values
+ * \var ControlTypeBool
+ * The control stores a boolean value
+ * \var ControlTypeInteger
+ * The control stores an integer value
+ * \var ControlTypeInteger64
+ * The control stores a 64-bit integer value
  */
 
 /**
@@ -46,7 +46,7 @@ LOG_DEFINE_CATEGORY(Controls)
  * \brief Construct an empty ControlValue.
  */
 ControlValue::ControlValue()
-	: type_(ControlValueNone)
+	: type_(ControlTypeNone)
 {
 }
 
@@ -55,7 +55,7 @@ ControlValue::ControlValue()
  * \param[in] value Boolean value to store
  */
 ControlValue::ControlValue(bool value)
-	: type_(ControlValueBool), bool_(value)
+	: type_(ControlTypeBool), bool_(value)
 {
 }
 
@@ -64,7 +64,7 @@ ControlValue::ControlValue(bool value)
  * \param[in] value Integer value to store
  */
 ControlValue::ControlValue(int value)
-	: type_(ControlValueInteger), integer_(value)
+	: type_(ControlTypeInteger), integer_(value)
 {
 }
 
@@ -73,7 +73,7 @@ ControlValue::ControlValue(int value)
  * \param[in] value Integer value to store
  */
 ControlValue::ControlValue(int64_t value)
-	: type_(ControlValueInteger64), integer64_(value)
+	: type_(ControlTypeInteger64), integer64_(value)
 {
 }
 
@@ -86,7 +86,7 @@ ControlValue::ControlValue(int64_t value)
 /**
  * \fn ControlValue::isNone()
  * \brief Determine if the value is not initialised
- * \return True if the value type is ControlValueNone, false otherwise
+ * \return True if the value type is ControlTypeNone, false otherwise
  */
 
 /**
@@ -95,7 +95,7 @@ ControlValue::ControlValue(int64_t value)
  */
 void ControlValue::set(bool value)
 {
-	type_ = ControlValueBool;
+	type_ = ControlTypeBool;
 	bool_ = value;
 }
 
@@ -105,7 +105,7 @@ void ControlValue::set(bool value)
  */
 void ControlValue::set(int value)
 {
-	type_ = ControlValueInteger;
+	type_ = ControlTypeInteger;
 	integer_ = value;
 }
 
@@ -115,7 +115,7 @@ void ControlValue::set(int value)
  */
 void ControlValue::set(int64_t value)
 {
-	type_ = ControlValueInteger64;
+	type_ = ControlTypeInteger64;
 	integer64_ = value;
 }
 
@@ -128,7 +128,7 @@ void ControlValue::set(int64_t value)
  */
 bool ControlValue::getBool() const
 {
-	ASSERT(type_ == ControlValueBool);
+	ASSERT(type_ == ControlTypeBool);
 
 	return bool_;
 }
@@ -142,7 +142,7 @@ bool ControlValue::getBool() const
  */
 int ControlValue::getInt() const
 {
-	ASSERT(type_ == ControlValueInteger || type_ == ControlValueInteger64);
+	ASSERT(type_ == ControlTypeInteger || type_ == ControlTypeInteger64);
 
 	return integer_;
 }
@@ -156,7 +156,7 @@ int ControlValue::getInt() const
  */
 int64_t ControlValue::getInt64() const
 {
-	ASSERT(type_ == ControlValueInteger || type_ == ControlValueInteger64);
+	ASSERT(type_ == ControlTypeInteger || type_ == ControlTypeInteger64);
 
 	return integer64_;
 }
@@ -168,13 +168,13 @@ int64_t ControlValue::getInt64() const
 std::string ControlValue::toString() const
 {
 	switch (type_) {
-	case ControlValueNone:
+	case ControlTypeNone:
 		return "<None>";
-	case ControlValueBool:
+	case ControlTypeBool:
 		return bool_ ? "True" : "False";
-	case ControlValueInteger:
+	case ControlTypeInteger:
 		return std::to_string(integer_);
-	case ControlValueInteger64:
+	case ControlTypeInteger64:
 		return std::to_string(integer64_);
 	}
 

src/libcamera/gen-controls.awk

@@ -92,7 +92,7 @@ function GenerateTable(file) {
 	print "extern const std::unordered_map<ControlId, ControlIdentifier>" > file
 	print "controlTypes {" > file
 	for (i=1; i <= id; ++i) {
-		printf "\t{ %s, { %s, \"%s\", ControlValue%s } },\n", names[i], names[i], names[i], types[i] > file
+		printf "\t{ %s, { %s, \"%s\", ControlType%s } },\n", names[i], names[i], names[i], types[i] > file
 	}
 	print "};" > file
 	ExitNameSpace(file)

test/controls/control_info.cpp

@@ -26,7 +26,7 @@ protected:
 		ControlInfo info(Brightness);
 
 		if (info.id() != Brightness ||
-		    info.type() != ControlValueInteger ||
+		    info.type() != ControlTypeInteger ||
 		    info.name() != std::string("Brightness")) {
 			cout << "Invalid control identification for Brightness" << endl;
 			return TestFail;
@@ -44,7 +44,7 @@ protected:
 		info = ControlInfo(Contrast, 10, 200);
 
 		if (info.id() != Contrast ||
-		    info.type() != ControlValueInteger ||
+		    info.type() != ControlTypeInteger ||
 		    info.name() != std::string("Contrast")) {
 			cout << "Invalid control identification for Contrast" << endl;
 			return TestFail;