resources popout refresh + new components & reskinned old components

Plugins/ZShell/Services/usagefmt.cpp

@@ -0,0 +1,33 @@
+#include "usagefmt.hpp"
+
+namespace {
+
+constexpr qreal kKib = 1024.0;
+constexpr qreal kMib = kKib * 1024.0;
+constexpr qreal kGib = kMib * 1024.0;
+
+bool finitePositive(qreal v) {
+	return std::isfinite(v) && v >= 0.0;
+}
+
+} // namespace
+
+namespace ZShell::services::usagefmt {
+
+FormatResult UsageFmt::formatKib(qreal kib, qreal total) const {
+	if (!finitePositive(kib) || !finitePositive(total)) {
+		return { 0.0, 0.0, "KiB" };
+	}
+	if (total >= kGib) {
+		return { kib / kGib, total / kGib, "TiB" };
+	}
+	if (total >= kMib) {
+		return { kib / kMib, total / kMib, "GiB" };
+	}
+	if (total >= kKib) {
+		return { kib / kKib, total / kKib, "MiB" };
+	}
+	return { kib, total, "KiB" };
+}
+
+} // namespace ZShell::services::usagefmt