RecentEntriesX: Move non-templated bits to .cpp.

firmware/application/recent_entries.cpp

@@ -20,3 +20,42 @@
  */
 
 #include "recent_entries.hpp"
+
+namespace ui {
+
+RecentEntriesColumns::RecentEntriesColumns(
+	const std::initializer_list<RecentEntriesColumn> columns
+) : _columns { columns }
+{
+}
+
+RecentEntriesHeader::RecentEntriesHeader(
+	const RecentEntriesColumns& columns
+) : _columns { columns }
+{
+}
+
+void RecentEntriesHeader::paint(Painter& painter) {
+	const auto r = screen_rect();
+	const auto& parent_style = style();
+
+	const Style style {
+		.font = parent_style.font,
+		.background = Color::blue(),
+		.foreground = parent_style.foreground,
+	};
+
+	auto p = r.pos;
+	for(const auto& column : _columns) {
+		const auto width = column.second;
+		auto text = column.first;
+		if( width > text.length() ) {
+			text.append(width - text.length(), ' ');
+		}
+
+		painter.draw_string(p, style, text);
+		p += { static_cast<Coord>((width * 8) + 8), 0 };
+	}
+}
+
+} /* namespace ui */