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- /******************
- * screen_types.h *
- ******************/
-
- /****************************************************************************
- * Written By Marcio Teixeira 2018 - Aleph Objects, Inc. *
- * *
- * 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. *
- * *
- * To view a copy of the GNU General Public License, go to the following *
- * location: <https://www.gnu.org/licenses/>. *
- ****************************************************************************/
-
- #include "ftdi_extended.h"
-
- #if ENABLED(FTDI_EXTENDED)
-
- /********************** VIRTUAL DISPATCH DATA TYPE ******************************/
-
- uint8_t ScreenRef::lookupScreen(onRedraw_func_t onRedraw_ptr) {
- for (uint8_t type = 0; type < tableSize(); type++) {
- if (GET_METHOD(type, onRedraw) == onRedraw_ptr) {
- return type;
- }
- }
- #if ENABLED(TOUCH_UI_DEBUG)
- SERIAL_ECHO_START();
- SERIAL_ECHOPAIR("Screen not found: ", (uintptr_t) onRedraw_ptr);
- #endif
- return 0xFF;
- }
-
- void ScreenRef::setScreen(onRedraw_func_t onRedraw_ptr) {
- uint8_t type = lookupScreen(onRedraw_ptr);
- if (type != 0xFF) {
- setType(type);
- #if ENABLED(TOUCH_UI_DEBUG)
- SERIAL_ECHO_MSG("New screen: ", type);
- #endif
- }
- }
-
- void ScreenRef::initializeAll() {
- for (uint8_t type = 0; type < tableSize(); type++)
- GET_METHOD(type, onStartup)();
- }
-
- /********************** SCREEN STACK ******************************/
-
- void ScreenStack::start() {
- initializeAll();
- onEntry();
- }
-
- void ScreenStack::push(onRedraw_func_t onRedraw_ptr) {
- stack[3] = stack[2];
- stack[2] = stack[1];
- stack[1] = stack[0];
- stack[0] = lookupScreen(onRedraw_ptr);
- }
-
- void ScreenStack::push() {
- stack[3] = stack[2];
- stack[2] = stack[1];
- stack[1] = stack[0];
- stack[0] = getType();
- }
-
- void ScreenStack::pop() {
- setType(stack[0]);
- forget();
- }
-
- void ScreenStack::forget() {
- stack[0] = stack[1];
- stack[1] = stack[2];
- stack[2] = stack[3];
- stack[3] = 0;
- }
-
- void ScreenStack::goTo(onRedraw_func_t s) {
- push();
- onExit();
- setScreen(s);
- onEntry();
- }
-
- void ScreenStack::goBack() {
- onExit();
- pop();
- onEntry();
- }
-
- ScreenStack current_screen;
-
- #endif // FTDI_EXTENDED
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