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Finish scroll_screen, fixing direction/multiplier

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Fixes #10041
This commit is contained in:
Scott Lahteine 2018-03-11 04:44:28 -05:00
parent b0abce5a7e
commit eb6f44372e
1 changed files with 9 additions and 20 deletions
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29
Marlin/ultralcd.cpp
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@ -383,26 +383,6 @@ uint16_t max_display_update_time = 0;
#define MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(TYPE, LABEL, ...) MENU_ITEM(setting_edit_callback_ ## TYPE, LABEL, PSTR(LABEL), ## __VA_ARGS__)
#endif // !ENCODER_RATE_MULTIPLIER
/**
* START_SCREEN_OR_MENU generates init code for a screen or menu
*
* encoderLine is the position based on the encoder
* encoderTopLine is the top menu line to display
* _lcdLineNr is the index of the LCD line (e.g., 0-3)
* _menuLineNr is the menu item to draw and process
* _thisItemNr is the index of each MENU_ITEM or STATIC_ITEM
* screen_items is the total number of items in the menu (after one call)
*/
#define START_SCREEN_OR_MENU(LIMIT) \
ENCODER_DIRECTION_MENUS(); \
ENCODER_RATE_MULTIPLY(false); \
if (encoderPosition > 0x8000) encoderPosition = 0; \
if (first_page) encoderLine = encoderPosition / (ENCODER_STEPS_PER_MENU_ITEM); \
if (screen_items > 0 && encoderLine >= screen_items - (LIMIT)) { \
encoderLine = max(0, screen_items - (LIMIT)); \
encoderPosition = encoderLine * (ENCODER_STEPS_PER_MENU_ITEM); \
}
#define SCREEN_OR_MENU_LOOP() \
int8_t _menuLineNr = encoderTopLine, _thisItemNr; \
for (int8_t _lcdLineNr = 0; _lcdLineNr < menu_bottom; _lcdLineNr++, _menuLineNr++) { \
@ -635,9 +615,18 @@ uint16_t max_display_update_time = 0;
/**
* Scrolling for menus and other line-based screens
*
* encoderLine is the position based on the encoder
* encoderTopLine is the top menu line to display
* _lcdLineNr is the index of the LCD line (e.g., 0-3)
* _menuLineNr is the menu item to draw and process
* _thisItemNr is the index of each MENU_ITEM or STATIC_ITEM
* screen_items is the total number of items in the menu (after one call)
*/
int8_t encoderLine, screen_items;
void scroll_screen(const uint8_t limit, const bool is_menu) {
ENCODER_DIRECTION_MENUS();
ENCODER_RATE_MULTIPLY(false);
if (encoderPosition > 0x8000) encoderPosition = 0;
if (first_page) {
encoderLine = encoderPosition / (ENCODER_STEPS_PER_MENU_ITEM);