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/*
* ValueMenuItem.h
*
* Created on: 25 Apr 2022
* Author: David
*/
#ifndef SRC_DISPLAY_VALUEMENUITEM_H_
#define SRC_DISPLAY_VALUEMENUITEM_H_
#include "MenuItem.h"
#if SUPPORT_DIRECT_LCD
#include <ObjectModel/ObjectModel.h>
class ValueMenuItem final : public MenuItem
{
public:
DECLARE_FREELIST_NEW_DELETE(ValueMenuItem)
ValueMenuItem(PixelNumber r, PixelNumber c, PixelNumber w, Alignment a, FontNumber fn, bool adj, const char *_ecv_array _ecv_null om, unsigned int v, unsigned int d) noexcept;
void Draw(Lcd& lcd, PixelNumber maxWidth, bool highlight) noexcept override;
bool Select(const StringRef& cmd) noexcept override;
bool CanAdjust() const noexcept override { return true; }
bool Adjust(int clicks) noexcept override;
void UpdateWidthAndHeight(Lcd& lcd) noexcept override;
PixelNumber GetVisibilityRowOffset(PixelNumber tCurrentOffset, PixelNumber fontHeight) const noexcept override;
unsigned int GetReferencedToolNumber() const noexcept;
protected:
void CorePrint(Lcd& lcd) noexcept override;
private:
enum class AdjustMode : uint8_t { displaying, adjusting, liveAdjusting };
bool Adjust_SelectHelper() noexcept;
bool Adjust_AlterHelper(int clicks) noexcept;
static constexpr PixelNumber DefaultWidth = 25; // default numeric field width
ExpressionValue currentValue; // the last value fetched for the item
const char *_ecv_array _ecv_null const omText; // an object model expression to fetch the item value (optional)
const unsigned int valIndex; // the item index, if no object model expression was provided
const char *_ecv_array _ecv_null textValue; // for temporary use when printing
const uint8_t decimals : 4,
adjustable : 1;
AdjustMode adjusting;
uint8_t error : 1, // for temporary use when printing
asPercent : 1; // true if we print this as a percentage
};
#endif
#endif /* SRC_DISPLAY_VALUEMENUITEM_H_ */
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