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Fix byte-to-percent display 

Fixes #16866
This commit is contained in:
Scott Lahteine 2020-02-15 02:35:36 -06:00
parent 71ec89a112
commit efdaf940a5
1 changed files with 10 additions and 9 deletions
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19
Marlin/src/lcd/menu/menu.h
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@ -234,10 +234,10 @@ template<typename NAME>
class TMenuEditItem : MenuEditItemBase {
private:
typedef typename NAME::type_t type_t;
static inline float unscale(const float value) { return value * (1.0f / NAME::scale); }
static inline float scale(const float value) { return value * NAME::scale; }
static void load(void *ptr, const int32_t value) { *((type_t*)ptr) = unscale(value); }
static inline float scale(const float value) { return NAME::scale(value); }
static inline float unscale(const float value) { return NAME::unscale(value); }
static const char* to_string(const int32_t value) { return NAME::strfunc(unscale(value)); }
static void load(void *ptr, const int32_t value) { *((type_t*)ptr) = unscale(value); }
public:
FORCE_INLINE static void draw(const bool sel, const uint8_t row, PGM_P const pstr, type_t * const data, ...) {
MenuEditItemBase::draw(sel, row, pstr, NAME::strfunc(*(data)));
@ -266,16 +266,17 @@ class TMenuEditItem : MenuEditItemBase {
// Provide a set of Edit Item Types which encompass a primitive
// type, a string function, and a scale factor for edit and display.
// These items call the Edit Item draw method passing the prepared string.
#define DEFINE_MENU_EDIT_ITEM_TYPE(TYPE, NAME, STRFUNC, SCALE) \
struct MenuEditItemInfo_##NAME { \
typedef TYPE type_t; \
static constexpr float scale = SCALE; \
#define DEFINE_MENU_EDIT_ITEM_TYPE(TYPE, NAME, STRFUNC, SCALE, V...) \
struct MenuEditItemInfo_##NAME { \
typedef TYPE type_t; \
static inline float scale(const float value) { return value * (SCALE) + (V+0); } \
static inline float unscale(const float value) { return value / (SCALE) + (V+0); } \
static inline const char* strfunc(const float value) { return STRFUNC((TYPE)value); } \
}; \
}; \
typedef TMenuEditItem<MenuEditItemInfo_##NAME> MenuItem_##NAME
// TYPE NAME STRFUNC SCALE
DEFINE_MENU_EDIT_ITEM_TYPE(uint8_t, percent, ui8tostr4pct, 100.0/255); // 100% right-justified
DEFINE_MENU_EDIT_ITEM_TYPE(uint8_t, percent, ui8tostr4pct, 100.0/255, 0.5); // 100% right-justified
DEFINE_MENU_EDIT_ITEM_TYPE(int16_t, int3, i16tostr3, 1 ); // 123, -12 right-justified
DEFINE_MENU_EDIT_ITEM_TYPE(int16_t, int4, i16tostr4sign, 1 ); // 1234, -123 right-justified
DEFINE_MENU_EDIT_ITEM_TYPE(int8_t, int8, i8tostr3, 1 ); // 123, -12 right-justified