1 files changed, 57 insertions, 0 deletions
diff --git a/linux/IOPriorityPanel.c b/linux/IOPriorityPanel.c
new file mode 100644
index 0000000..3e91bc4
--- /dev/null
+++ b/linux/IOPriorityPanel.c
@@ -0,0 +1,57 @@
+/*
+htop - IOPriorityPanel.c
+(C) 2004-2012 Hisham H. Muhammad
+Released under the GNU GPLv2+, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "linux/IOPriorityPanel.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+
+#include "FunctionBar.h"
+#include "ListItem.h"
+#include "Object.h"
+#include "XUtils.h"
+#include "IOPriority.h"
+
+
+Panel* IOPriorityPanel_new(IOPriority currPrio) {
+   Panel* this = Panel_new(1, 1, 1, 1, Class(ListItem), true, FunctionBar_newEnterEsc("Set    ", "Cancel "));
+
+   Panel_setHeader(this, "IO Priority:");
+   Panel_add(this, (Object*) ListItem_new("None (based on nice)", IOPriority_None));
+   if (currPrio == IOPriority_None) {
+      Panel_setSelected(this, 0);
+   }
+   static const struct {
+      int klass;
+      const char* name;
+   } classes[] = {
+      { .klass = IOPRIO_CLASS_RT, .name = "Realtime" },
+      { .klass = IOPRIO_CLASS_BE, .name = "Best-effort" },
+      { .klass = 0, .name = NULL }
+   };
+   for (int c = 0; classes[c].name; c++) {
+      for (int i = 0; i < 8; i++) {
+         char name[50];
+         xSnprintf(name, sizeof(name), "%s %d %s", classes[c].name, i, i == 0 ? "(High)" : (i == 7 ? "(Low)" : ""));
+         IOPriority ioprio = IOPriority_tuple(classes[c].klass, i);
+         Panel_add(this, (Object*) ListItem_new(name, ioprio));
+         if (currPrio == ioprio) {
+            Panel_setSelected(this, Panel_size(this) - 1);
+         }
+      }
+   }
+   Panel_add(this, (Object*) ListItem_new("Idle", IOPriority_Idle));
+   if (currPrio == IOPriority_Idle) {
+      Panel_setSelected(this, Panel_size(this) - 1);
+   }
+   return this;
+}
+
+IOPriority IOPriorityPanel_getIOPriority(Panel* this) {
+   const ListItem* selected = (ListItem*) Panel_getSelected(this);
+   return selected ? selected->key : IOPriority_None;
+}