1 files changed, 51 insertions, 0 deletions
diff --git a/src/user/meminfo/meminfo.cpp b/src/user/meminfo/meminfo.cpp
new file mode 100644
index 0000000..2b035a4
--- /dev/null
+++ b/src/user/meminfo/meminfo.cpp
@@ -0,0 +1,51 @@
+#include <raleigh/w/padding.h>
+#include <raleigh/w/vbox.h>
+#include <raleigh/w/label.h>
+
+#include <raleigh/runtime.h>
+#include <raleigh/window.h>
+
+#include <pland/syscall.h>
+#include <knob/format.h>
+#include <pland/pcrt.h>
+
+using namespace raleigh;
+
+label *kmem;
+label *umem;
+
+void refresh(window &w) {
+  char *const kstr = format("kernel memory free: %uk", _kernel_dynamic_area_left() * 4);
+  char *const ustr = format("userspace memory free: %uk / %uk", _total_userspace_left() * 4, _total_userspace_size() * 4);
+
+  kmem->change_value(kstr);
+  umem->change_value(ustr);
+
+  free_block(kstr);
+  free_block(ustr);
+}
+
+void main() {
+  kmem = new label("");
+  umem = new label("");
+  label msg("press Alt+F4 to quit, or F5 to refresh");
+
+  padding pkmem(*kmem, 1);
+  padding pumem(*umem, 1);
+  padding pmsg(msg, 1);
+
+  dllist<widget &> ll;
+  ll.add_front(pmsg);
+  ll.add_front(pumem);
+  ll.add_front(pkmem);
+  vbox box(ll);
+
+  padding pbox(box, 3);
+  window w(pbox, RGB(bf, bf, bf), (bool (*)(window &))&__pcrt_quit);
+  w.add_keybind((struct key_packet){.key_id = key_packet::KEY_F5, .modifiers = key_packet::NO_MODS}, &refresh);
+
+  refresh(w);
+
+  w.show();
+  start_runtime();
+}
+\ No newline at end of file