stw24/TouchGFX/gui/include/gui/common/NamedField.hpp

78 lines
2.2 KiB
C++

#ifndef NAMEDFIELD_HPP
#define NAMEDFIELD_HPP
#include "touchgfx/TypedText.hpp"
#include "touchgfx/Unicode.hpp"
#include <stddef.h>
#include <stdint.h>
// We want to automatically count the number of data field types for the
// description array. This is wacky preprocessor magic that allows us to do just
// that. Unfortunately, it doesn't work with enum classes, so we have to use
// C-style enums.
#define CountedEnum(NAME, TYPE, ...) \
enum NAME : TYPE { __VA_ARGS__ }; \
constexpr size_t NAME##_COUNT = sizeof((int[]){__VA_ARGS__}) / sizeof(int);
CountedEnum(DataFieldType, size_t, DF_TSState, DF_ASState, DF_ActiveMission,
DF_R2DProgress, DF_INVLReady, DF_INVRReady, DF_SDC, DF_ERR,
DF_IniChkState, DF_LapCount, DF_TireTempFL, DF_TireTempFR,
DF_TireTempRL, DF_TireTempRR, DF_MinCellVolt, DF_MaxCellTemp,
DF_TSSoC, DF_LVSoC, DF_TSCurrent, DF_TSVoltageBat, DF_TSVoltageVeh,
DF_Speed, DF_BBal);
CountedEnum(ParamFieldType, size_t, PF_BBAL, PF_TC1, PF_TC2, PF_TORQUEMAP,
PF_TEST1, PF_TEST2, PF_TEST3, PF_TEST4);
enum class NamedFieldKind { Float, Bool, Text, Int };
struct NamedFieldDescription {
NamedFieldKind kind;
const char *title;
size_t int_digits;
size_t decimal_digits;
void *(*getValue)(void);
};
extern NamedFieldDescription dataFieldDescs[];
extern NamedFieldDescription paramFieldDescs[];
template <class T> class NamedField {
public:
NamedField(const NamedFieldDescription *fieldDescs);
virtual ~NamedField() {}
void setType(T type);
const T &getType();
virtual void updateValue();
protected:
const NamedFieldDescription *fieldDescs;
touchgfx::Unicode::UnicodeChar titleBuffer[16];
touchgfx::Unicode::UnicodeChar valueBuffer[16];
T type;
const NamedFieldDescription *desc;
union {
float f;
int b;
int i;
} fieldValue;
virtual void typeUpdated() = 0;
virtual void titleBufferUpdated() = 0;
virtual void valueBufferUpdated() = 0;
private:
void setFloatValue(float floatValue);
void setBoolValue(int boolValue);
void setIntValue(int intValue);
void setStrValue(const char *strValue);
void updateValueBuffer();
};
#endif // NAMEDFIELD_HPP