Remove message_map from Context.

It doesn't belong in a display/rendering context object, it has much broader significance, mostly distributing messages via the M4->M0 IPC mechanism.

firmware/application/ais_app.cpp

@@ -21,6 +21,8 @@
 
 #include "ais_app.hpp"
 
+#include "event_m0.hpp"
+
 #include "string_format.hpp"
 
 #include "portapack.hpp"
@@ -116,8 +118,7 @@ namespace ui {
 void AISView::on_show() {
 	View::on_show();
 
-	auto& message_map = context().message_map();
+	EventDispatcher::message_map().register_handler(Message::ID::AISPacket,
-	message_map.register_handler(Message::ID::AISPacket,
 		[this](Message* const p) {
 			const auto message = static_cast<const AISPacketMessage*>(p);
 			const ais::Packet packet { message->packet };
@@ -129,8 +130,7 @@ void AISView::on_show() {
 }
 
 void AISView::on_hide() {
-	auto& message_map = context().message_map();
+	EventDispatcher::message_map().unregister_handler(Message::ID::AISPacket);
-	message_map.unregister_handler(Message::ID::AISPacket);
 
 	View::on_hide();
 }

firmware/application/ert_app.cpp

@@ -21,6 +21,8 @@
 
 #include "ert_app.hpp"
 
+#include "event_m0.hpp"
+
 #include "portapack.hpp"
 using namespace portapack;
 
@@ -54,8 +56,7 @@ namespace ui {
 void ERTView::on_show() {
 	Console::on_show();
 
-	auto& message_map = context().message_map();
+	EventDispatcher::message_map().register_handler(Message::ID::ERTPacket,
-	message_map.register_handler(Message::ID::ERTPacket,
 		[this](Message* const p) {
 			const auto message = static_cast<const ERTPacketMessage*>(p);
 			const ert::Packet packet { message->type, message->packet };
@@ -67,8 +68,7 @@ void ERTView::on_show() {
 }
 
 void ERTView::on_hide() {
-	auto& message_map = context().message_map();
+	EventDispatcher::message_map().unregister_handler(Message::ID::ERTPacket);
-	message_map.unregister_handler(Message::ID::ERTPacket);
 
 	Console::on_hide();
 }

firmware/application/event_m0.cpp

@@ -54,6 +54,7 @@ CH_IRQ_HANDLER(M4Core_IRQHandler) {
 
 }
 
+MessageHandlerMap EventDispatcher::message_map_;
 Thread* EventDispatcher::thread_event_loop = nullptr;
 
 EventDispatcher::EventDispatcher(
@@ -118,7 +119,7 @@ void EventDispatcher::dispatch(const eventmask_t events) {
 void EventDispatcher::handle_application_queue() {
 	std::array<uint8_t, Message::MAX_SIZE> message_buffer;
 	while(Message* const message = shared_memory.application_queue.pop(message_buffer)) {
-		context.message_map().send(message);
+		message_map().send(message);
 	}
 }
 
@@ -172,7 +173,7 @@ void EventDispatcher::on_touch_event(ui::TouchEvent event) {
 
 void EventDispatcher::handle_lcd_frame_sync() {
 	DisplayFrameSyncMessage message;
-	context.message_map().send(&message);
+	message_map().send(&message);
 	painter.paint_widget_tree(top_widget);
 }
 

firmware/application/event_m0.hpp

@@ -27,6 +27,8 @@
 #include "ui_widget.hpp"
 #include "ui_painter.hpp"
 
+#include "message.hpp"
+
 #include "touch.hpp"
 
 #include "ch.h"
@@ -63,7 +65,12 @@ public:
 		}
 	}
 
+	static MessageHandlerMap& message_map() {
+		return message_map_;
+	}
+
 private:
+	static MessageHandlerMap message_map_;
 	static Thread* thread_event_loop;
 
 	touch::Manager touch_manager;

firmware/application/main.cpp

@@ -76,8 +76,7 @@ int main(void) {
 	ui::Painter painter;
 	EventDispatcher event_dispatcher { &system_view, painter, context };
 
-	auto& message_handlers = context.message_map();
+	EventDispatcher::message_map().register_handler(Message::ID::Shutdown,
-	message_handlers.register_handler(Message::ID::Shutdown,
 		[&event_dispatcher](const Message* const) {
 			event_dispatcher.request_stop();
 		}

firmware/application/tpms_app.cpp

@@ -21,6 +21,8 @@
 
 #include "tpms_app.hpp"
 
+#include "event_m0.hpp"
+
 #include "portapack.hpp"
 using namespace portapack;
 
@@ -58,8 +60,7 @@ namespace ui {
 void TPMSView::on_show() {
 	Console::on_show();
 
-	auto& message_map = context().message_map();
+	EventDispatcher::message_map().register_handler(Message::ID::TPMSPacket,
-	message_map.register_handler(Message::ID::TPMSPacket,
 		[this](Message* const p) {
 			const auto message = static_cast<const TPMSPacketMessage*>(p);
 			this->log(this->model.on_packet(*message));
@@ -68,8 +69,7 @@ void TPMSView::on_show() {
 }
 
 void TPMSView::on_hide() {
-	auto& message_map = context().message_map();
+	EventDispatcher::message_map().unregister_handler(Message::ID::TPMSPacket);
-	message_map.unregister_handler(Message::ID::TPMSPacket);
 
 	Console::on_hide();
 }

firmware/application/ui_audio.cpp

@@ -21,12 +21,14 @@
 
 #include "ui_audio.hpp"
 
+#include "event_m0.hpp"
+
 #include <algorithm>
 
 namespace ui {
 
 void Audio::on_show() {
-	context().message_map().register_handler(Message::ID::AudioStatistics,
+	EventDispatcher::message_map().register_handler(Message::ID::AudioStatistics,
 		[this](const Message* const p) {
 			this->on_statistics_update(static_cast<const AudioStatisticsMessage*>(p)->statistics);
 		}
@@ -34,7 +36,7 @@ void Audio::on_show() {
 }
 
 void Audio::on_hide() {
-	context().message_map().unregister_handler(Message::ID::AudioStatistics);
+	EventDispatcher::message_map().unregister_handler(Message::ID::AudioStatistics);
 }
 
 void Audio::paint(Painter& painter) {

firmware/application/ui_baseband_stats_view.cpp

@@ -21,6 +21,8 @@
 
 #include "ui_baseband_stats_view.hpp"
 
+#include "event_m0.hpp"
+
 #include <string>
 #include <algorithm>
 
@@ -40,7 +42,7 @@ BasebandStatsView::BasebandStatsView() {
 }
 
 void BasebandStatsView::on_show() {
-	context().message_map().register_handler(Message::ID::BasebandStatistics,
+	EventDispatcher::message_map().register_handler(Message::ID::BasebandStatistics,
 		[this](const Message* const p) {
 			this->on_statistics_update(static_cast<const BasebandStatisticsMessage*>(p)->statistics);
 		}
@@ -48,7 +50,7 @@ void BasebandStatsView::on_show() {
 }
 
 void BasebandStatsView::on_hide() {
-	context().message_map().unregister_handler(Message::ID::BasebandStatistics);
+	EventDispatcher::message_map().unregister_handler(Message::ID::BasebandStatistics);
 }
 
 

firmware/application/ui_channel.cpp

@@ -21,12 +21,14 @@
 
 #include "ui_channel.hpp"
 
+#include "event_m0.hpp"
+
 #include <algorithm>
 
 namespace ui {
 
 void Channel::on_show() {
-	context().message_map().register_handler(Message::ID::ChannelStatistics,
+	EventDispatcher::message_map().register_handler(Message::ID::ChannelStatistics,
 		[this](const Message* const p) {
 			this->on_statistics_update(static_cast<const ChannelStatisticsMessage*>(p)->statistics);
 		}
@@ -34,7 +36,7 @@ void Channel::on_show() {
 }
 
 void Channel::on_hide() {
-	context().message_map().unregister_handler(Message::ID::ChannelStatistics);
+	EventDispatcher::message_map().unregister_handler(Message::ID::ChannelStatistics);
 }
 
 void Channel::paint(Painter& painter) {

firmware/application/ui_rssi.cpp

@@ -21,12 +21,14 @@
 
 #include "ui_rssi.hpp"
 
+#include "event_m0.hpp"
+
 #include <algorithm>
 
 namespace ui {
 
 void RSSI::on_show() {
-	context().message_map().register_handler(Message::ID::RSSIStatistics,
+	EventDispatcher::message_map().register_handler(Message::ID::RSSIStatistics,
 		[this](const Message* const p) {
 			this->on_statistics_update(static_cast<const RSSIStatisticsMessage*>(p)->statistics);
 		}
@@ -34,7 +36,7 @@ void RSSI::on_show() {
 }
 
 void RSSI::on_hide() {
-	context().message_map().unregister_handler(Message::ID::RSSIStatistics);
+	EventDispatcher::message_map().unregister_handler(Message::ID::RSSIStatistics);
 }
 
 void RSSI::paint(Painter& painter) {

firmware/application/ui_spectrum.cpp

@@ -21,6 +21,8 @@
 
 #include "ui_spectrum.hpp"
 
+#include "event_m0.hpp"
+
 #include "spectrum_color_lut.hpp"
 
 #include "portapack.hpp"
@@ -235,13 +237,13 @@ WaterfallWidget::WaterfallWidget() {
 }
 
 void WaterfallWidget::on_show() {
-	context().message_map().register_handler(Message::ID::ChannelSpectrumConfig,
+	EventDispatcher::message_map().register_handler(Message::ID::ChannelSpectrumConfig,
 		[this](const Message* const p) {
 			const auto message = *reinterpret_cast<const ChannelSpectrumConfigMessage*>(p);
 			this->fifo = message.fifo;
 		}
 	);
-	context().message_map().register_handler(Message::ID::DisplayFrameSync,
+	EventDispatcher::message_map().register_handler(Message::ID::DisplayFrameSync,
 		[this](const Message* const) {
 			if( this->fifo ) {
 				ChannelSpectrum channel_spectrum;
@@ -266,8 +268,8 @@ void WaterfallWidget::on_hide() {
 		}
 	);
 
-	context().message_map().unregister_handler(Message::ID::DisplayFrameSync);
+	EventDispatcher::message_map().unregister_handler(Message::ID::DisplayFrameSync);
-	context().message_map().unregister_handler(Message::ID::ChannelSpectrumConfig);
+	EventDispatcher::message_map().unregister_handler(Message::ID::ChannelSpectrumConfig);
 }
 
 void WaterfallWidget::set_parent_rect(const Rect new_parent_rect) {

firmware/common/ui_widget.hpp

@@ -29,8 +29,6 @@
 
 #include "utility.hpp"
 
-#include "message.hpp"
-
 #include <memory>
 #include <vector>
 #include <string>
@@ -47,13 +45,8 @@ public:
 		return focus_manager_;
 	}
 
-	MessageHandlerMap& message_map() {
-		return message_map_;
-	}
-
 private:
 	FocusManager focus_manager_;
-	MessageHandlerMap message_map_;
 };
 
 class Widget {