Improved SCREEN / MENU macros

This commit is contained in:
Scott Lahteine 2016-08-02 17:39:20 -07:00
parent cebeb48005
commit c9123adc59

View file

@ -190,34 +190,54 @@ uint8_t lcdDrawUpdate = LCDVIEW_CLEAR_CALL_REDRAW; // Set when the LCD needs to
#endif #endif
/** /**
* START_SCREEN generates the init code for a screen function * START_SCREEN_OR_MENU generates init code for a screen or menu
* *
* encoderLine is the position based on the encoder * encoderLine is the position based on the encoder
* encoderTopLine is the top menu line to display * encoderTopLine is the top menu line to display
* _lcdLineNr is the index of the LCD line (e.g., 0-3) * _lcdLineNr is the index of the LCD line (e.g., 0-3)
* _menuLineNr is the menu item to draw and process * _menuLineNr is the menu item to draw and process
* _thisItemNr is the index of each MENU_ITEM or STATIC_ITEM * _thisItemNr is the index of each MENU_ITEM or STATIC_ITEM
* _countedItems is the total number of items in the menu (after one call)
*/ */
#define _START_SCREEN(CODE, SKIP) \ #define START_SCREEN_OR_MENU(LIMIT) \
ENCODER_DIRECTION_MENUS(); \ ENCODER_DIRECTION_MENUS(); \
encoderRateMultiplierEnabled = false; \ encoderRateMultiplierEnabled = false; \
if (encoderPosition > 0x8000) encoderPosition = 0; \ if (encoderPosition > 0x8000) encoderPosition = 0; \
static int8_t _countedItems = 0; \
int8_t encoderLine = encoderPosition / ENCODER_STEPS_PER_MENU_ITEM; \ int8_t encoderLine = encoderPosition / ENCODER_STEPS_PER_MENU_ITEM; \
NOMORE(encoderTopLine, encoderLine); \ if (_countedItems > 0 && encoderLine >= _countedItems - LIMIT) { \
int8_t _menuLineNr = encoderTopLine, _thisItemNr; \ encoderLine = _countedItems - LIMIT; \
bool _skipStatic = SKIP; \ encoderPosition = encoderLine * (ENCODER_STEPS_PER_MENU_ITEM); \
CODE; \ }
for (int8_t _lcdLineNr = 0; _lcdLineNr < LCD_HEIGHT; _lcdLineNr++, _menuLineNr++) { \
_thisItemNr = 0;
#define START_SCREEN() _START_SCREEN(NOOP, false) #define SCREEN_OR_MENU_LOOP() \
int8_t _menuLineNr = encoderTopLine, _thisItemNr; \
for (int8_t _lcdLineNr = 0; _lcdLineNr < LCD_HEIGHT; _lcdLineNr++, _menuLineNr++) { \
_thisItemNr = 0
/** /**
* START_MENU generates the init code for a menu function * START_SCREEN Opening code for a screen having only static items.
* Do simplified scrolling of the entire screen.
* *
* wasClicked indicates the controller was clicked * START_MENU Opening code for a screen with menu items.
* Scroll as-needed to keep the selected line in view.
* 'wasClicked' indicates the controller was clicked.
*/ */
#define START_MENU() _START_SCREEN(bool wasClicked = LCD_CLICKED, true) #define START_SCREEN() \
START_SCREEN_OR_MENU(LCD_HEIGHT); \
encoderTopLine = encoderLine; \
bool _skipStatic = false; \
SCREEN_OR_MENU_LOOP()
#define START_MENU() \
START_SCREEN_OR_MENU(1); \
NOMORE(encoderTopLine, encoderLine); \
if (encoderLine >= encoderTopLine + LCD_HEIGHT) { \
encoderTopLine = encoderLine - (LCD_HEIGHT - 1); \
} \
bool wasClicked = LCD_CLICKED; \
bool _skipStatic = true; \
SCREEN_OR_MENU_LOOP()
/** /**
* MENU_ITEM generates draw & handler code for a menu item, potentially calling: * MENU_ITEM generates draw & handler code for a menu item, potentially calling:
@ -252,7 +272,7 @@ uint8_t lcdDrawUpdate = LCDVIEW_CLEAR_CALL_REDRAW; // Set when the LCD needs to
return; \ return; \
} \ } \
} \ } \
_thisItemNr++ ++_thisItemNr
#define MENU_ITEM(TYPE, LABEL, ARGS...) do { \ #define MENU_ITEM(TYPE, LABEL, ARGS...) do { \
_skipStatic = false; \ _skipStatic = false; \
@ -270,42 +290,15 @@ uint8_t lcdDrawUpdate = LCDVIEW_CLEAR_CALL_REDRAW; // Set when the LCD needs to
if (lcdDrawUpdate) \ if (lcdDrawUpdate) \
lcd_implementation_drawmenu_static(_lcdLineNr, PSTR(LABEL), ## ARGS); \ lcd_implementation_drawmenu_static(_lcdLineNr, PSTR(LABEL), ## ARGS); \
} \ } \
_thisItemNr++ ++_thisItemNr
/**
*
* END_SCREEN Closing code for a screen having only static items.
* Do simplified scrolling of the entire screen.
*
* END_MENU Closing code for a screen with menu items.
* Scroll as-needed to keep the selected line in view.
*
* At this point _thisItemNr equals the total number of items.
*
*/
// Simple-scroll by using encoderLine as encoderTopLine
#define END_SCREEN() \ #define END_SCREEN() \
} \ } \
NOMORE(encoderLine, _thisItemNr - LCD_HEIGHT); \ _countedItems = _thisItemNr
NOLESS(encoderLine, 0); \
encoderPosition = encoderLine * (ENCODER_STEPS_PER_MENU_ITEM); \
if (encoderTopLine != encoderLine) { \
encoderTopLine = encoderLine; \
lcdDrawUpdate = LCDVIEW_CALL_REDRAW_NEXT; \
}
// Scroll through menu items, scrolling as-needed to stay in view
#define END_MENU() \ #define END_MENU() \
} \ } \
if (encoderLine >= _thisItemNr) { \ _countedItems = _thisItemNr; \
encoderLine = _thisItemNr - 1; \
encoderPosition = encoderLine * (ENCODER_STEPS_PER_MENU_ITEM); \
} \
if (encoderLine >= encoderTopLine + LCD_HEIGHT) { \
encoderTopLine = encoderLine - (LCD_HEIGHT - 1); \
lcdDrawUpdate = LCDVIEW_CALL_REDRAW_NEXT; \
} \
UNUSED(_skipStatic) UNUSED(_skipStatic)
#if ENABLED(ENCODER_RATE_MULTIPLIER) #if ENABLED(ENCODER_RATE_MULTIPLIER)