Jas monitoru můžete ovládat pomocí funkčních kláves na klávesnici. Když klepnete na klávesy zvýšení nebo snížení jasu, Windows 10 sníží jas o určitou úroveň. Neexistuje způsob, jak ovládat úrovně jasu, když používáte vyhrazená tlačítka. Pokud chcete jemnější ovládání, budete muset použít posuvník jasu. Pokud chcete ovládat úrovně jasu při změně jasu pomocí klávesnice, můžete tak učinit pomocí skriptu AutoHotkey.
SPOILER ALERT: Přejděte dolů a podívejte se na video tutoriál na konci tohoto článku.
Úrovně zvýšení jasu
Ujistěte se, že máte v systému nainstalovanou AutoHotkey.
Otevřete Poznámkový blok a vložte do něj následující. Tento skript napsal uživatel Reddit yet_another_usr.
class BrightnessSetter { ; qwerty12 - 27/05/17 ; https://github.com/qwerty12/AutoHotkeyScripts/tree/master/LaptopBrightnessSetter static _WM_POWERBROADCAST := 0x218, _osdHwnd := 0, hPowrprofMod := DllCall("LoadLibrary", "Str", "powrprof.dll", "Ptr") __New() { if (BrightnessSetter.IsOnAc(AC)) this._AC := AC if ((this.pwrAcNotifyHandle := DllCall("RegisterPowerSettingNotification", "Ptr", A_ScriptHwnd, "Ptr", BrightnessSetter._GUID_ACDC_POWER_SOURCE(), "UInt", DEVICE_NOTIFY_WINDOW_HANDLE := 0x00000000, "Ptr"))) ; Sadly the callback passed to *PowerSettingRegister*Notification runs on a new threadl OnMessage(this._WM_POWERBROADCAST, ((this.pwrBroadcastFunc := ObjBindMethod(this, "_On_WM_POWERBROADCAST")))) } __Delete() { if (this.pwrAcNotifyHandle) { OnMessage(BrightnessSetter._WM_POWERBROADCAST, this.pwrBroadcastFunc, 0) ,DllCall("UnregisterPowerSettingNotification", "Ptr", this.pwrAcNotifyHandle) ,this.pwrAcNotifyHandle := 0 ,this.pwrBroadcastFunc := "" } } SetBrightness(increment, jump := False, showOSD := True, autoDcOrAc := -1, ptrAnotherScheme := 0) { static PowerGetActiveScheme := DllCall("GetProcAddress", "Ptr", BrightnessSetter.hPowrprofMod, "AStr", "PowerGetActiveScheme", "Ptr") ,PowerSetActiveScheme := DllCall("GetProcAddress", "Ptr", BrightnessSetter.hPowrprofMod, "AStr", "PowerSetActiveScheme", "Ptr") ,PowerWriteACValueIndex := DllCall("GetProcAddress", "Ptr", BrightnessSetter.hPowrprofMod, "AStr", "PowerWriteACValueIndex", "Ptr") ,PowerWriteDCValueIndex := DllCall("GetProcAddress", "Ptr", BrightnessSetter.hPowrprofMod, "AStr", "PowerWriteDCValueIndex", "Ptr") ,PowerApplySettingChanges := DllCall("GetProcAddress", "Ptr", BrightnessSetter.hPowrprofMod, "AStr", "PowerApplySettingChanges", "Ptr") if (increment == 0 && !jump) { if (showOSD) BrightnessSetter._ShowBrightnessOSD() return } if (!ptrAnotherScheme ? DllCall(PowerGetActiveScheme, "Ptr", 0, "Ptr*", currSchemeGuid, "UInt") == 0 : DllCall("powrprofPowerDuplicateScheme", "Ptr", 0, "Ptr", ptrAnotherScheme, "Ptr*", currSchemeGuid, "UInt") == 0) { if (autoDcOrAc == -1) { if (this != BrightnessSetter) { AC := this._AC } else { if (!BrightnessSetter.IsOnAc(AC)) { DllCall("LocalFree", "Ptr", currSchemeGuid, "Ptr") return } } } else { AC := !!autoDcOrAc } currBrightness := 0 if (jump || BrightnessSetter._GetCurrentBrightness(currSchemeGuid, AC, currBrightness)) { maxBrightness := BrightnessSetter.GetMaxBrightness() ,minBrightness := BrightnessSetter.GetMinBrightness() if (jump || !((currBrightness == maxBrightness && increment > 0) || (currBrightness == minBrightness && increment < minBrightness))) { if (currBrightness + increment > maxBrightness) increment := maxBrightness else if (currBrightness + increment < minBrightness) increment := minBrightness else increment += currBrightness if (DllCall(AC ? PowerWriteACValueIndex : PowerWriteDCValueIndex, "Ptr", 0, "Ptr", currSchemeGuid, "Ptr", BrightnessSetter._GUID_VIDEO_SUBGROUP(), "Ptr", BrightnessSetter._GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS(), "UInt", increment, "UInt") == 0) { ; PowerApplySettingChanges is undocumented and exists only in Windows 8+. Since both the Power control panel and the brightness slider use this, we'll do the same, but fallback to PowerSetActiveScheme if on Windows 7 or something if (!PowerApplySettingChanges || DllCall(PowerApplySettingChanges, "Ptr", BrightnessSetter._GUID_VIDEO_SUBGROUP(), "Ptr", BrightnessSetter._GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS(), "UInt") != 0) DllCall(PowerSetActiveScheme, "Ptr", 0, "Ptr", currSchemeGuid, "UInt") } } if (showOSD) BrightnessSetter._ShowBrightnessOSD() } DllCall("LocalFree", "Ptr", currSchemeGuid, "Ptr") } } IsOnAc(ByRef acStatus) { static SystemPowerStatus if (!VarSetCapacity(SystemPowerStatus)) VarSetCapacity(SystemPowerStatus, 12) if (DllCall("GetSystemPowerStatus", "Ptr", &SystemPowerStatus)) { acStatus := NumGet(SystemPowerStatus, 0, "UChar") == 1 return True } return False } GetDefaultBrightnessIncrement() { static ret := 10 DllCall("powrprofPowerReadValueIncrement", "Ptr", BrightnessSetter._GUID_VIDEO_SUBGROUP(), "Ptr", BrightnessSetter._GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS(), "UInt*", ret, "UInt") return ret } GetMinBrightness() { static ret := -1 if (ret == -1) if (DllCall("powrprofPowerReadValueMin", "Ptr", BrightnessSetter._GUID_VIDEO_SUBGROUP(), "Ptr", BrightnessSetter._GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS(), "UInt*", ret, "UInt")) ret := 0 return ret } GetMaxBrightness() { static ret := -1 if (ret == -1) if (DllCall("powrprofPowerReadValueMax", "Ptr", BrightnessSetter._GUID_VIDEO_SUBGROUP(), "Ptr", BrightnessSetter._GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS(), "UInt*", ret, "UInt")) ret := 100 return ret } _GetCurrentBrightness(schemeGuid, AC, ByRef currBrightness) { static PowerReadACValueIndex := DllCall("GetProcAddress", "Ptr", BrightnessSetter.hPowrprofMod, "AStr", "PowerReadACValueIndex", "Ptr") ,PowerReadDCValueIndex := DllCall("GetProcAddress", "Ptr", BrightnessSetter.hPowrprofMod, "AStr", "PowerReadDCValueIndex", "Ptr") return DllCall(AC ? PowerReadACValueIndex : PowerReadDCValueIndex, "Ptr", 0, "Ptr", schemeGuid, "Ptr", BrightnessSetter._GUID_VIDEO_SUBGROUP(), "Ptr", BrightnessSetter._GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS(), "UInt*", currBrightness, "UInt") == 0 } _ShowBrightnessOSD() { static PostMessagePtr := DllCall("GetProcAddress", "Ptr", DllCall("GetModuleHandle", "Str", "user32.dll", "Ptr"), "AStr", A_IsUnicode ? "PostMessageW" : "PostMessageA", "Ptr") ,WM_SHELLHOOK := DllCall("RegisterWindowMessage", "Str", "SHELLHOOK", "UInt") if A_OSVersion in WIN_VISTA,WIN_7 return BrightnessSetter._RealiseOSDWindowIfNeeded() ; Thanks to YashMaster @ https://github.com/YashMaster/Tweaky/blob/master/Tweaky/BrightnessHandler.h for realising this could be done: if (BrightnessSetter._osdHwnd) DllCall(PostMessagePtr, "Ptr", BrightnessSetter._osdHwnd, "UInt", WM_SHELLHOOK, "Ptr", 0x37, "Ptr", 0) } _RealiseOSDWindowIfNeeded() { static IsWindow := DllCall("GetProcAddress", "Ptr", DllCall("GetModuleHandle", "Str", "user32.dll", "Ptr"), "AStr", "IsWindow", "Ptr") if (!DllCall(IsWindow, "Ptr", BrightnessSetter._osdHwnd) && !BrightnessSetter._FindAndSetOSDWindow()) { BrightnessSetter._osdHwnd := 0 try if ((shellProvider := ComObjCreate("{C2F03A33-21F5-47FA-B4BB-156362A2F239}", "{00000000-0000-0000-C000-000000000046}"))) { try if ((flyoutDisp := ComObjQuery(shellProvider, "{41f9d2fb-7834-4ab6-8b1b-73e74064b465}", "{41f9d2fb-7834-4ab6-8b1b-73e74064b465}"))) { DllCall(NumGet(NumGet(flyoutDisp+0)+3*A_PtrSize), "Ptr", flyoutDisp, "Int", 0, "UInt", 0) ,ObjRelease(flyoutDisp) } ObjRelease(shellProvider) if (BrightnessSetter._FindAndSetOSDWindow()) return } ; who knows if the SID & IID above will work for future versions of Windows 10 (or Windows 8). Fall back to this if needs must Loop 2 { SendEvent {Volume_Mute 2} if (BrightnessSetter._FindAndSetOSDWindow()) return Sleep 100 } } } _FindAndSetOSDWindow() { static FindWindow := DllCall("GetProcAddress", "Ptr", DllCall("GetModuleHandle", "Str", "user32.dll", "Ptr"), "AStr", A_IsUnicode ? "FindWindowW" : "FindWindowA", "Ptr") return !!((BrightnessSetter._osdHwnd := DllCall(FindWindow, "Str", "NativeHWNDHost", "Str", "", "Ptr"))) } _On_WM_POWERBROADCAST(wParam, lParam) { ;OutputDebug % &this if (wParam == 0x8013 && lParam && NumGet(lParam+0, 0, "UInt") == NumGet(BrightnessSetter._GUID_ACDC_POWER_SOURCE()+0, 0, "UInt")) { ; PBT_POWERSETTINGCHANGE and a lazy comparison this._AC := NumGet(lParam+0, 20, "UChar") == 0 return True } } _GUID_VIDEO_SUBGROUP() { static GUID_VIDEO_SUBGROUP__ if (!VarSetCapacity(GUID_VIDEO_SUBGROUP__)) { VarSetCapacity(GUID_VIDEO_SUBGROUP__, 16) ,NumPut(0x7516B95F, GUID_VIDEO_SUBGROUP__, 0, "UInt"), NumPut(0x4464F776, GUID_VIDEO_SUBGROUP__, 4, "UInt") ,NumPut(0x1606538C, GUID_VIDEO_SUBGROUP__, 8, "UInt"), NumPut(0x99CC407F, GUID_VIDEO_SUBGROUP__, 12, "UInt") } return &GUID_VIDEO_SUBGROUP__ } _GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS() { static GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS__ if (!VarSetCapacity(GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS__)) { VarSetCapacity(GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS__, 16) ,NumPut(0xADED5E82, GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS__, 0, "UInt"), NumPut(0x4619B909, GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS__, 4, "UInt") ,NumPut(0xD7F54999, GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS__, 8, "UInt"), NumPut(0xCB0BAC1D, GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS__, 12, "UInt") } return &GUID_DEVICE_POWER_POLICY_VIDEO_BRIGHTNESS__ } _GUID_ACDC_POWER_SOURCE() { static GUID_ACDC_POWER_SOURCE_ if (!VarSetCapacity(GUID_ACDC_POWER_SOURCE_)) { VarSetCapacity(GUID_ACDC_POWER_SOURCE_, 16) ,NumPut(0x5D3E9A59, GUID_ACDC_POWER_SOURCE_, 0, "UInt"), NumPut(0x4B00E9D5, GUID_ACDC_POWER_SOURCE_, 4, "UInt") ,NumPut(0x34FFBDA6, GUID_ACDC_POWER_SOURCE_, 8, "UInt"), NumPut(0x486551FF, GUID_ACDC_POWER_SOURCE_, 12, "UInt") } return &GUID_ACDC_POWER_SOURCE_ } } BrightnessSetter_new() { return new BrightnessSetter() }
Na úplný konec tohoto vložte následující. Toto je část skriptu, kterou upravíte tak, aby vyhovovala vašim vlastním potřebám. Následujícím způsobem změníte jas pomocí kláves Page Up a Page Down na klávesnici. Změní to o 10, tj. když jednou klepnete na klávesu Page Up, jas se zvýší o deset úrovní.
Upravte úrovně podle toho, co potřebujete. Můžete jej například změnit na 1 a -1, abyste získali jemnější kontrolu nad jasem.
BS := new BrightnessSetter() PgUp::BS.SetBrightness(10) PgDn::BS.SetBrightness(-10)
Uložte skript s příponou souboru AHK a spusťte jej. K nastavení jasu použijte tlačítka, která jste nastavili.