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1 files changed, 59 insertions, 0 deletions

diff --git a/Marlin/src/lcd/touch/touch_buttons.h b/Marlin/src/lcd/touch/touch_buttons.h
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+++ b/Marlin/src/lcd/touch/touch_buttons.h
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+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <stdint.h>
+
+#include "../../inc/MarlinConfig.h"
+#include "../scaled_tft.h"
+
+#define UPSCALE0(M) ((M) * (GRAPHICAL_TFT_UPSCALE))
+#define UPSCALE(A,M) (UPSCALE0(M) + (A))
+
+#define BUTTON_DRAW_WIDTH  32
+#define BUTTON_DRAW_HEIGHT 20
+
+#define BUTTON_WIDTH  UPSCALE0(BUTTON_DRAW_WIDTH)
+#define BUTTON_HEIGHT UPSCALE0(BUTTON_DRAW_HEIGHT)
+
+// calc the space between buttons
+#define BUTTON_SPACING (((TFT_WIDTH) - (BUTTON_WIDTH * 4)) / 5)
+
+#define BUTTOND_X_LO BUTTON_SPACING
+#define BUTTOND_X_HI BUTTOND_X_LO + BUTTON_WIDTH - 1
+
+#define BUTTONA_X_LO BUTTOND_X_HI + BUTTON_SPACING
+#define BUTTONA_X_HI BUTTONA_X_LO + BUTTON_WIDTH - 1
+
+#define BUTTONB_X_LO BUTTONA_X_HI + BUTTON_SPACING
+#define BUTTONB_X_HI BUTTONB_X_LO + BUTTON_WIDTH - 1
+
+#define BUTTONC_X_LO BUTTONB_X_HI + BUTTON_SPACING
+#define BUTTONC_X_HI BUTTONC_X_LO + BUTTON_WIDTH - 1
+
+#define BUTTON_Y_HI (TFT_HEIGHT) - BUTTON_SPACING
+#define BUTTON_Y_LO BUTTON_Y_HI - BUTTON_HEIGHT
+
+class TouchButtons {
+public:
+  static void init();
+  static uint8_t read_buttons();
+};
+
+extern TouchButtons touch;