mirror of
https://github.com/eried/portapack-mayhem.git
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76c5fe96af
Messages are now deferred until application thread call stack unwinds, events are checked.
144 lines
3.5 KiB
C++
144 lines
3.5 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __EVENT_M0_H__
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#define __EVENT_M0_H__
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#include "event.hpp"
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#include "ui_widget.hpp"
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#include "ui_painter.hpp"
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#include "portapack.hpp"
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#include "portapack_shared_memory.hpp"
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#include "message.hpp"
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#include "touch.hpp"
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#include "ch.h"
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#include <cstdint>
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constexpr auto EVT_MASK_SWITCHES = EVENT_MASK(3);
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constexpr auto EVT_MASK_ENCODER = EVENT_MASK(4);
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constexpr auto EVT_MASK_TOUCH = EVENT_MASK(5);
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class EventDispatcher {
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public:
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EventDispatcher(
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ui::Widget* const top_widget,
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ui::Context& context
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);
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void run();
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void request_stop();
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void set_display_sleep(const bool sleep);
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static inline void check_fifo_isr() {
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if( !shared_memory.application_queue.is_empty() ) {
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events_flag_isr(EVT_MASK_APPLICATION);
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}
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}
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static inline void event_isr_rtc_tick() {
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events_flag_isr(EVT_MASK_RTC_TICK);
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}
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static inline void event_isr_lcd_frame_sync() {
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events_flag_isr(EVT_MASK_LCD_FRAME_SYNC);
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}
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static inline void events_flag(const eventmask_t events) {
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if( thread_event_loop ) {
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chEvtSignal(thread_event_loop, events);
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}
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}
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static inline void events_flag_isr(const eventmask_t events) {
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if( thread_event_loop ) {
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chEvtSignalI(thread_event_loop, events);
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}
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}
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template<typename T>
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static void send_message(T& message) {
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shared_memory.app_local_queue.push(message);
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events_flag_isr(EVT_MASK_LOCAL);
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}
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private:
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static constexpr auto EVT_MASK_RTC_TICK = EVENT_MASK(0);
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static constexpr auto EVT_MASK_LCD_FRAME_SYNC = EVENT_MASK(1);
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static constexpr auto EVT_MASK_APPLICATION = EVENT_MASK(6);
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static constexpr auto EVT_MASK_LOCAL = EVENT_MASK(7);
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static Thread* thread_event_loop;
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touch::Manager touch_manager;
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ui::Widget* const top_widget;
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ui::Painter painter;
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ui::Context& context;
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uint32_t encoder_last = 0;
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bool is_running = true;
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bool sd_card_present = false;
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bool display_sleep = false;
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eventmask_t wait();
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void dispatch(const eventmask_t events);
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void handle_application_queue();
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void handle_local_queue();
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void handle_rtc_tick();
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static ui::Widget* touch_widget(ui::Widget* const w, ui::TouchEvent event);
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ui::Widget* captured_widget { nullptr };
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void on_touch_event(ui::TouchEvent event);
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void handle_lcd_frame_sync();
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void handle_switches();
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void handle_encoder();
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void handle_touch();
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bool event_bubble_key(const ui::KeyEvent event);
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void event_bubble_encoder(const ui::EncoderEvent event);
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void init_message_queues();
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};
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class MessageHandlerRegistration {
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public:
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MessageHandlerRegistration(
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const Message::ID message_id,
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std::function<void(Message* const p)>&& callback
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);
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~MessageHandlerRegistration();
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private:
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const Message::ID message_id;
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};
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#endif/*__EVENT_M0_H__*/
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