xpt: allow smooth menu scroll up

tpruvot · Jul 27, 2020 · b706206 · b706206
1 parent 743ed09
commit b706206
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Marlin/src/feature/touch/xpt2046.cpp b/Marlin/src/feature/touch/xpt2046.cpp
@@ -140,6 +140,9 @@ uint8_t XPT2046::read_buttons() {
           : WITHIN(x, 242, 305) ? EN_C
           : 0;
 
+    // Scroll up when sliding finger up to first menu item
+    if (y < LCD_PIXEL_OFFSET_Y) return TERN(REVERSE_MENU_DIRECTION, EN_B, EN_A);
+
     if (x > TOUCH_SCREEN_WIDTH || !WITHIN(y, SCREEN_START_TOP, SCREEN_START_TOP + SCREEN_HEIGHT)) return 0;
 
     // Column and row above BUTTON_AREA_TOP