Plumb default_widget_handler and default_user_data for widgets read from JSON/File

src/widget_default.c

@@ -0,0 +1,22 @@
+#include "mgos.h"
+#include "tft.h"
+#include "mongoose-touch.h"
+
+void widget_default_ev(int ev, struct widget_t *w, void *ev_data) {
+  if (!w)
+    return;
+
+  LOG(LL_INFO, ("Event %d received for widget '%s'", ev, w->name));
+
+  switch(ev) {
+    case EV_WIDGET_CREATE:
+    case EV_WIDGET_DRAW:
+    case EV_WIDGET_REDRAW:
+    case EV_WIDGET_TIMER:
+    case EV_WIDGET_TOUCH_UP:
+    case EV_WIDGET_TOUCH_DOWN:
+    case EV_WIDGET_DESTROY:
+    default: // EV_WIDGET_NONE
+      break;
+  }
+}