From f9cafc4001167c7a8b6ea625678be2e6d6cf26f0 Mon Sep 17 00:00:00 2001 From: Scott Lahteine Date: Mon, 5 Mar 2018 23:05:15 -0600 Subject: [PATCH] Fix menu highlight glitch, tweak scrolling code (#9957) --- Marlin/src/lcd/ultralcd.cpp | 65 ++++++++++++++++++++++++------------- 1 file changed, 42 insertions(+), 23 deletions(-) diff --git a/Marlin/src/lcd/ultralcd.cpp b/Marlin/src/lcd/ultralcd.cpp index 28eae6852..da9772468 100644 --- a/Marlin/src/lcd/ultralcd.cpp +++ b/Marlin/src/lcd/ultralcd.cpp @@ -154,7 +154,10 @@ uint8_t lcdDrawUpdate = LCDVIEW_CLEAR_CALL_REDRAW; // Set when the LCD needs to uint16_t max_display_update_time = 0; #if ENABLED(DOGLCD) - bool drawing_screen = false; + bool drawing_screen, // = false + first_page; +#else + constexpr bool first_page = true; #endif #if ENABLED(DAC_STEPPER_CURRENT) @@ -173,6 +176,7 @@ uint16_t max_display_update_time = 0; #endif bool no_reentry = false; + constexpr int8_t menu_bottom = LCD_HEIGHT - (TALL_FONT_CORRECTION); //////////////////////////////////////////// ///////////////// Menu Tree //////////////// @@ -394,22 +398,21 @@ uint16_t max_display_update_time = 0; * _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 - * _countedItems is the total number of items in the menu (after one call) + * 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; \ - static int8_t _countedItems = 0; \ - int8_t encoderLine = encoderPosition / (ENCODER_STEPS_PER_MENU_ITEM); \ - if (_countedItems > 0 && encoderLine >= _countedItems - (LIMIT)) { \ - encoderLine = max(0, _countedItems - (LIMIT)); \ + 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 < LCD_HEIGHT - (TALL_FONT_CORRECTION); _lcdLineNr++, _menuLineNr++) { \ + for (int8_t _lcdLineNr = 0; _lcdLineNr < menu_bottom; _lcdLineNr++, _menuLineNr++) { \ _thisItemNr = 0 /** @@ -420,28 +423,22 @@ uint16_t max_display_update_time = 0; * Scroll as-needed to keep the selected line in view. */ #define START_SCREEN() \ - START_SCREEN_OR_MENU(LCD_HEIGHT - (TALL_FONT_CORRECTION)); \ - encoderTopLine = encoderLine; \ + scroll_screen(menu_bottom, false); \ bool _skipStatic = false; \ SCREEN_OR_MENU_LOOP() #define START_MENU() \ - START_SCREEN_OR_MENU(1); \ - screen_changed = false; \ - NOMORE(encoderTopLine, encoderLine); \ - if (encoderLine >= encoderTopLine + LCD_HEIGHT - (TALL_FONT_CORRECTION)) { \ - encoderTopLine = encoderLine - (LCD_HEIGHT - (TALL_FONT_CORRECTION) - 1); \ - } \ + scroll_screen(1, true); \ bool _skipStatic = true; \ SCREEN_OR_MENU_LOOP() #define END_SCREEN() \ } \ - _countedItems = _thisItemNr + screen_items = _thisItemNr #define END_MENU() \ } \ - _countedItems = _thisItemNr; \ + screen_items = _thisItemNr; \ UNUSED(_skipStatic) //////////////////////////////////////////// @@ -643,6 +640,29 @@ uint16_t max_display_update_time = 0; lcd_goto_previous_menu(); } + /** + * Scrolling for menus and other line-based screens + */ + int8_t encoderLine, screen_items; + void scroll_screen(const uint8_t limit, const bool is_menu) { + if (encoderPosition > 0x8000) encoderPosition = 0; + if (first_page) { + encoderLine = encoderPosition / (ENCODER_STEPS_PER_MENU_ITEM); + screen_changed = false; + } + if (screen_items > 0 && encoderLine >= screen_items - limit) { + encoderLine = max(0, screen_items - limit); + encoderPosition = encoderLine * (ENCODER_STEPS_PER_MENU_ITEM); + } + if (is_menu) { + NOMORE(encoderTopLine, encoderLine); + if (encoderLine >= encoderTopLine + menu_bottom) + encoderTopLine = encoderLine - menu_bottom + 1; + } + else + encoderTopLine = encoderLine; + } + #endif // ULTIPANEL /** @@ -785,10 +805,7 @@ void kill_screen(const char* lcd_msg) { void lcd_quick_feedback(const bool clear_buttons) { lcdDrawUpdate = LCDVIEW_CLEAR_CALL_REDRAW; - - if (clear_buttons) - buttons = 0; - + if (clear_buttons) buttons = 0; next_button_update_ms = millis() + 500; // Buzz and wait. The delay is needed for buttons to settle! @@ -3232,7 +3249,6 @@ void kill_screen(const char* lcd_msg) { #endif #if HAS_LCD_CONTRAST - // please don't remove the "(int16_t*)" - it's needed for the VIKI2 display --- see PR #9132 before changing it MENU_ITEM_EDIT_CALLBACK(int3, MSG_CONTRAST, &lcd_contrast, LCD_CONTRAST_MIN, LCD_CONTRAST_MAX, lcd_callback_set_contrast, true); #endif #if ENABLED(FWRETRACT) @@ -5193,11 +5209,12 @@ void lcd_update() { if (do_u8g_loop) { if (!drawing_screen) { // If not already drawing pages u8g.firstPage(); // Start the first page - drawing_screen = 1; // Flag as drawing pages + drawing_screen = first_page = true; // Flag as drawing pages } lcd_setFont(FONT_MENU); // Setup font for every page draw u8g.setColorIndex(1); // And reset the color CURRENTSCREEN(); // Draw and process the current screen + first_page = false; // The screen handler can clear drawing_screen for an action that changes the screen. // If still drawing and there's another page, update max-time and return now. @@ -5380,9 +5397,11 @@ void lcd_reset_alert_level() { lcd_status_message_level = 0; } #if BUTTON_EXISTS(EN1) if (BUTTON_PRESSED(EN1)) newbutton |= EN_A; #endif + #if BUTTON_EXISTS(EN2) if (BUTTON_PRESSED(EN2)) newbutton |= EN_B; #endif + #if BUTTON_EXISTS(ENC) if (BUTTON_PRESSED(ENC)) newbutton |= EN_C; #endif