C++ refactoring (#91)

Tactility/Private/service/gui/Gui_i.h

@@ -0,0 +1,44 @@
+#pragma once
+
+#include "MessageQueue.h"
+#include "Mutex.h"
+#include "Pubsub.h"
+#include "service/gui/Gui.h"
+#include "service/gui/ViewPort.h"
+#include "service/gui/ViewPort_i.h"
+#include <cstdio>
+
+namespace tt::service::gui {
+
+#define GUI_THREAD_FLAG_DRAW (1 << 0)
+#define GUI_THREAD_FLAG_INPUT (1 << 1)
+#define GUI_THREAD_FLAG_EXIT (1 << 2)
+#define GUI_THREAD_FLAG_ALL (GUI_THREAD_FLAG_DRAW | GUI_THREAD_FLAG_INPUT | GUI_THREAD_FLAG_EXIT)
+
+/** Gui structure */
+struct Gui {
+    // Thread and lock
+    Thread* thread;
+    Mutex* mutex;
+    PubSubSubscription* loader_pubsub_subscription;
+
+    // Layers and Canvas
+    lv_obj_t* lvgl_parent;
+
+    // App-specific
+    ViewPort* app_view_port;
+
+    lv_obj_t* _Nullable keyboard;
+    lv_group_t* keyboard_group;
+};
+
+/** Update GUI, request redraw */
+void request_draw();
+
+/** Lock GUI */
+void lock();
+
+/** Unlock GUI */
+void unlock();
+
+} // namespace

Tactility/Private/service/gui/ViewPort_i.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "service/gui/ViewPort.h"
+
+namespace tt::service::gui {
+
+/** Process draw call. Calls on_show callback.
+ * To be used by GUI, called on redraw.
+ *
+ * @param      view_port  ViewPort instance
+ * @param      canvas     canvas to draw at
+ */
+void view_port_show(ViewPort* view_port, lv_obj_t* parent);
+
+/**
+ * Process draw clearing call. Calls on_hdie callback.
+ * To be used by GUI, called on redraw.
+ *
+ * @param view_port
+ */
+void view_port_hide(ViewPort* view_port);
+
+} // namespace