!7

set flag OshiNotSticky.

cm MemoryTrayIcon > DynPrintLog {
  transient S value; // OS size in MB + free memory
  transient JLabel lbl;
  transient bool _startMinimized = true;
  switchable bool countSwap = true;
  switchable double interval = 10.0; // restart to take effect
  switchable bool showOSSizeInTray = true; // otherwise only free mem, full specs in tooltip
  transient long processSize, freeMem, totalMem;
  
  start {
    dm_registerAs_direct processSize();
    
    dm_vmBus_answerToMessage freeSystemMemory(() -> freeMem);
    dm_vmBus_answerToMessage totalSystemMemory(() -> totalMem);
    
    doEveryAndNow(interval, r actualUpdate);
    dm_addTrayIcon(onLeftClick(rThreadEnter dm_verboseGC,
      lbl = dm_fieldLabel_noAutoToolTip('value)));
    componentPopupMenuItems(lbl,
      "Garbage Collect", rThreadEnter { dm_gc(); actualUpdate(); },
      "Show Module", rThreadEnter dm_showModule,
      "Remove", rThreadEnter dm_deleteModule);
  }
  
  void actualUpdate {
    processSize = oshi_currentProcessResidentSize();
    long mb = toM(processSize);
    GlobalMemory mem = oshi_systemMemory();
    totalMem = mem.getTotal();
    long mb2 = freeSystemMemory(mem);
    if (countSwap) mb2 -= mem.getSwapUsed();
    freeMem = mb2;
    mb2 = toM(mb2);
    if (set_trueIfChanged(this, value := (showOSSizeInTray ? mb + " / " : "") + mb2)) {
      fireChangeWithoutPersisting();
      vmBus_send processSize(processSize);
    }
    toolTip(lbl, "OS size in memory: " + mb + " MB, free system memory: " + mb2 + " MB");
  }
}

Began life as a copy of #1020802