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/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* 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/>.
*
*/
#include "../../inc/MarlinConfig.h"
#if ENABLED(TOUCH_SCREEN)
#include "touch.h"
#include "../marlinui.h" // for ui methods
#include "../menu/menu_item.h" // for touch_screen_calibration
#include "../../module/temperature.h"
#include "../../module/planner.h"
#if ENABLED(AUTO_BED_LEVELING_UBL)
#include "../../feature/bedlevel/bedlevel.h"
#endif
#include "tft.h"
bool Touch::enabled = true;
int16_t Touch::x, Touch::y;
touch_control_t Touch::controls[];
touch_control_t *Touch::current_control;
uint16_t Touch::controls_count;
millis_t Touch::last_touch_ms = 0,
Touch::time_to_hold,
Touch::repeat_delay,
Touch::touch_time;
TouchControlType Touch::touch_control_type = NONE;
#if HAS_RESUME_CONTINUE
extern bool wait_for_user;
#endif
void Touch::init() {
TERN_(TOUCH_SCREEN_CALIBRATION, touch_calibration.calibration_reset());
reset();
io.Init();
enable();
}
void Touch::add_control(TouchControlType type, uint16_t x, uint16_t y, uint16_t width, uint16_t height, intptr_t data) {
if (controls_count == MAX_CONTROLS) return;
controls[controls_count].type = type;
controls[controls_count].x = x;
controls[controls_count].y = y;
controls[controls_count].width = width;
controls[controls_count].height = height;
controls[controls_count].data = data;
controls_count++;
}
void Touch::idle() {
uint16_t i;
int16_t _x, _y;
if (!enabled) return;
// Return if Touch::idle is called within the same millisecond
const millis_t now = millis();
if (last_touch_ms == now) return;
last_touch_ms = now;
if (get_point(&_x, &_y)) {
#if HAS_RESUME_CONTINUE
// UI is waiting for a click anywhere?
if (wait_for_user) {
touch_control_type = CLICK;
ui.lcd_clicked = true;
if (ui.external_control) wait_for_user = false;
return;
}
#endif
#if LCD_TIMEOUT_TO_STATUS
ui.return_to_status_ms = last_touch_ms + LCD_TIMEOUT_TO_STATUS;
#endif
if (touch_time) {
#if ENABLED(TOUCH_SCREEN_CALIBRATION)
if (touch_control_type == NONE && ELAPSED(last_touch_ms, touch_time + TOUCH_SCREEN_HOLD_TO_CALIBRATE_MS) && ui.on_status_screen())
ui.goto_screen(touch_screen_calibration);
#endif
return;
}
if (time_to_hold == 0) time_to_hold = last_touch_ms + MINIMUM_HOLD_TIME;
if (PENDING(last_touch_ms, time_to_hold)) return;
if (x != 0 && y != 0) {
if (current_control) {
if (WITHIN(x, current_control->x - FREE_MOVE_RANGE, current_control->x + current_control->width + FREE_MOVE_RANGE) && WITHIN(y, current_control->y - FREE_MOVE_RANGE, current_control->y + current_control->height + FREE_MOVE_RANGE)) {
NOLESS(x, current_control->x);
NOMORE(x, current_control->x + current_control->width);
NOLESS(y, current_control->y);
NOMORE(y, current_control->y + current_control->height);
touch(current_control);
}
else
current_control = nullptr;
}
else {
for (i = 0; i < controls_count; i++) {
if ((WITHIN(x, controls[i].x, controls[i].x + controls[i].width) && WITHIN(y, controls[i].y, controls[i].y + controls[i].height)) || (TERN(TOUCH_SCREEN_CALIBRATION, controls[i].type == CALIBRATE, false))) {
touch_control_type = controls[i].type;
touch(&controls[i]);
break;
}
}
}
if (!current_control)
touch_time = last_touch_ms;
}
x = _x;
y = _y;
}
else {
x = y = 0;
current_control = nullptr;
touch_time = 0;
touch_control_type = NONE;
time_to_hold = 0;
repeat_delay = TOUCH_REPEAT_DELAY;
}
}
void Touch::touch(touch_control_t *control) {
switch (control->type) {
#if ENABLED(TOUCH_SCREEN_CALIBRATION)
case CALIBRATE:
if (touch_calibration.handleTouch(x, y)) ui.refresh();
break;
#endif // TOUCH_SCREEN_CALIBRATION
case MENU_SCREEN: ui.goto_screen((screenFunc_t)control->data); break;
case BACK: ui.goto_previous_screen(); break;
case MENU_CLICK:
TERN_(SINGLE_TOUCH_NAVIGATION, ui.encoderPosition = control->data);
ui.lcd_clicked = true;
break;
case CLICK: ui.lcd_clicked = true; break;
#if HAS_RESUME_CONTINUE
case RESUME_CONTINUE: extern bool wait_for_user; wait_for_user = false; break;
#endif
case CANCEL: ui.encoderPosition = 0; ui.selection = false; ui.lcd_clicked = true; break;
case CONFIRM: ui.encoderPosition = 1; ui.selection = true; ui.lcd_clicked = true; break;
case MENU_ITEM: ui.encoderPosition = control->data; ui.refresh(); break;
case PAGE_UP:
encoderTopLine = encoderTopLine > LCD_HEIGHT ? encoderTopLine - LCD_HEIGHT : 0;
ui.encoderPosition = ui.encoderPosition > LCD_HEIGHT ? ui.encoderPosition - LCD_HEIGHT : 0;
ui.refresh();
break;
case PAGE_DOWN:
encoderTopLine = encoderTopLine + 2 * LCD_HEIGHT < screen_items ? encoderTopLine + LCD_HEIGHT : screen_items - LCD_HEIGHT;
ui.encoderPosition = ui.encoderPosition + LCD_HEIGHT < (uint32_t)screen_items ? ui.encoderPosition + LCD_HEIGHT : screen_items;
ui.refresh();
break;
case SLIDER: hold(control); ui.encoderPosition = (x - control->x) * control->data / control->width; break;
case INCREASE: hold(control, repeat_delay - 5); TERN(AUTO_BED_LEVELING_UBL, ui.external_control ? ubl.encoder_diff++ : ui.encoderPosition++, ui.encoderPosition++); break;
case DECREASE: hold(control, repeat_delay - 5); TERN(AUTO_BED_LEVELING_UBL, ui.external_control ? ubl.encoder_diff-- : ui.encoderPosition--, ui.encoderPosition--); break;
case HEATER:
int8_t heater;
heater = control->data;
ui.clear_lcd();
if (heater >= 0) { // HotEnd
#if HOTENDS == 1
MenuItem_int3::action((const char *)GET_TEXT_F(MSG_NOZZLE), &thermalManager.temp_hotend[0].target, 0, thermalManager.heater_maxtemp[0] - 15, []{ thermalManager.start_watching_hotend(0); });
#else
MenuItemBase::itemIndex = heater;
MenuItem_int3::action((const char *)GET_TEXT_F(MSG_NOZZLE_N), &thermalManager.temp_hotend[heater].target, 0, thermalManager.heater_maxtemp[heater] - 15, []{ thermalManager.start_watching_hotend(MenuItemBase::itemIndex); });
#endif
}
#if HAS_HEATED_BED
else if (heater == H_BED) {
MenuItem_int3::action((const char *)GET_TEXT_F(MSG_BED), &thermalManager.temp_bed.target, 0, BED_MAXTEMP - 10, thermalManager.start_watching_bed);
}
#endif
#if HAS_HEATED_CHAMBER
else if (heater == H_CHAMBER) {
MenuItem_int3::action((const char *)GET_TEXT_F(MSG_CHAMBER), &thermalManager.temp_chamber.target, 0, CHAMBER_MAXTEMP - 10, thermalManager.start_watching_chamber);
}
#endif
break;
case FAN:
ui.clear_lcd();
static uint8_t fan, fan_speed;
fan = 0;
fan_speed = thermalManager.fan_speed[fan];
MenuItem_percent::action((const char *)GET_TEXT_F(MSG_FIRST_FAN_SPEED), &fan_speed, 0, 255, []{ thermalManager.set_fan_speed(fan, fan_speed); });
break;
case FEEDRATE:
ui.clear_lcd();
MenuItem_int3::action((const char *)GET_TEXT_F(MSG_SPEED), &feedrate_percentage, 10, 999);
break;
case FLOWRATE:
ui.clear_lcd();
MenuItemBase::itemIndex = control->data;
#if EXTRUDERS == 1
MenuItem_int3::action((const char *)GET_TEXT_F(MSG_FLOW), &planner.flow_percentage[MenuItemBase::itemIndex], 10, 999, []{ planner.refresh_e_factor(MenuItemBase::itemIndex); });
#else
MenuItem_int3::action((const char *)GET_TEXT_F(MSG_FLOW_N), &planner.flow_percentage[MenuItemBase::itemIndex], 10, 999, []{ planner.refresh_e_factor(MenuItemBase::itemIndex); });
#endif
break;
#if ENABLED(AUTO_BED_LEVELING_UBL)
case UBL: hold(control, UBL_REPEAT_DELAY); ui.encoderPosition += control->data; break;
#endif
case MOVE_AXIS:
ui.goto_screen((screenFunc_t)ui.move_axis_screen);
break;
// TODO: TOUCH could receive data to pass to the callback
case BUTTON: ((screenFunc_t)control->data)(); break;
default: break;
}
}
void Touch::hold(touch_control_t *control, millis_t delay) {
current_control = control;
if (delay) {
repeat_delay = delay > MIN_REPEAT_DELAY ? delay : MIN_REPEAT_DELAY;
time_to_hold = last_touch_ms + repeat_delay;
}
ui.refresh();
}
bool Touch::get_point(int16_t *x, int16_t *y) {
#if ENABLED(TOUCH_SCREEN_CALIBRATION)
bool is_touched = (touch_calibration.calibration.orientation == TOUCH_PORTRAIT ? io.getRawPoint(y, x) : io.getRawPoint(x, y));
if (is_touched && touch_calibration.calibration.orientation != TOUCH_ORIENTATION_NONE) {
*x = int16_t((int32_t(*x) * touch_calibration.calibration.x) >> 16) + touch_calibration.calibration.offset_x;
*y = int16_t((int32_t(*y) * touch_calibration.calibration.y) >> 16) + touch_calibration.calibration.offset_y;
}
#else
bool is_touched = (TOUCH_ORIENTATION == TOUCH_PORTRAIT ? io.getRawPoint(y, x) : io.getRawPoint(x, y));
*x = uint16_t((uint32_t(*x) * TOUCH_CALIBRATION_X) >> 16) + TOUCH_OFFSET_X;
*y = uint16_t((uint32_t(*y) * TOUCH_CALIBRATION_Y) >> 16) + TOUCH_OFFSET_Y;
#endif
return is_touched;
}
Touch touch;
bool MarlinUI::touch_pressed() {
return touch.is_clicked();
}
void add_control(uint16_t x, uint16_t y, TouchControlType control_type, intptr_t data, MarlinImage image, bool is_enabled, uint16_t color_enabled, uint16_t color_disabled) {
uint16_t width = Images[image].width;
uint16_t height = Images[image].height;
tft.canvas(x, y, width, height);
tft.add_image(0, 0, image, is_enabled ? color_enabled : color_disabled);
if (is_enabled)
touch.add_control(control_type, x, y, width, height, data);
}
#endif // TOUCH_SCREEN
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