htop/linux/IOPriorityPanel.c at wip · hishamhm/htop

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htop - IOPriorityPanel.c

Released under the GNU GPL, see the COPYING file

in the source distribution for its full text.

#include "IOPriorityPanel.h"

/*{

#include "Panel.h"

#include "IOPriority.h"

#include "ListItem.h"

}*/

Panel* IOPriorityPanel_new(IOPriority currPrio) {

Panel* this = Panel_new(1, 1, 1, 1, true, Class(ListItem), 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);

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];

snprintf(name, sizeof(name)-1, "%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) {

return (IOPriority) ( ((ListItem*) Panel_getSelected(this))->key );

}