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2023-06-30 14:30:50 +02:00
parent dea2b73d7f
commit c4adb1eb8b
14 changed files with 935 additions and 922 deletions
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app/Display/ScreenNative.cs Normal file
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using System.Runtime.InteropServices;
using static GHelper.Display.ScreenInterrogatory;
namespace GHelper.Display
{
internal class ScreenNative
{
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
public struct DEVMODE
{
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
public string dmDeviceName;
public short dmSpecVersion;
public short dmDriverVersion;
public short dmSize;
public short dmDriverExtra;
public int dmFields;
public int dmPositionX;
public int dmPositionY;
public int dmDisplayOrientation;
public int dmDisplayFixedOutput;
public short dmColor;
public short dmDuplex;
public short dmYResolution;
public short dmTTOption;
public short dmCollate;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
public string dmFormName;
public short dmLogPixels;
public short dmBitsPerPel;
public int dmPelsWidth;
public int dmPelsHeight;
public int dmDisplayFlags;
public int dmDisplayFrequency;
public int dmICMMethod;
public int dmICMIntent;
public int dmMediaType;
public int dmDitherType;
public int dmReserved1;
public int dmReserved2;
public int dmPanningWidth;
public int dmPanningHeight;
};
[Flags()]
public enum DisplaySettingsFlags : int
{
CDS_UPDATEREGISTRY = 1,
CDS_TEST = 2,
CDS_FULLSCREEN = 4,
CDS_GLOBAL = 8,
CDS_SET_PRIMARY = 0x10,
CDS_RESET = 0x40000000,
CDS_NORESET = 0x10000000
}
// PInvoke declaration for EnumDisplaySettings Win32 API
[DllImport("user32.dll")]
public static extern int EnumDisplaySettingsEx(
string lpszDeviceName,
int iModeNum,
ref DEVMODE lpDevMode);
// PInvoke declaration for ChangeDisplaySettings Win32 API
[DllImport("user32.dll")]
public static extern int ChangeDisplaySettingsEx(
string lpszDeviceName, ref DEVMODE lpDevMode, IntPtr hwnd,
DisplaySettingsFlags dwflags, IntPtr lParam);
public static DEVMODE CreateDevmode()
{
DEVMODE dm = new DEVMODE();
dm.dmDeviceName = new String(new char[32]);
dm.dmFormName = new String(new char[32]);
dm.dmSize = (short)Marshal.SizeOf(dm);
return dm;
}
public enum COLORPROFILETYPE
{
CPT_ICC,
CPT_DMP,
CPT_CAMP,
CPT_GMMP
}
public enum COLORPROFILESUBTYPE
{
CPST_PERCEPTUAL,
CPST_RELATIVE_COLORIMETRIC,
CPST_SATURATION,
CPST_ABSOLUTE_COLORIMETRIC,
CPST_NONE,
CPST_RGB_WORKING_SPACE,
CPST_CUSTOM_WORKING_SPACE,
CPST_STANDARD_DISPLAY_COLOR_MODE,
CPST_EXTENDED_DISPLAY_COLOR_MODE
}
public enum WCS_PROFILE_MANAGEMENT_SCOPE
{
WCS_PROFILE_MANAGEMENT_SCOPE_SYSTEM_WIDE,
WCS_PROFILE_MANAGEMENT_SCOPE_CURRENT_USER
}
[DllImport("mscms.dll", CharSet = CharSet.Unicode)]
public static extern bool WcsSetDefaultColorProfile(
WCS_PROFILE_MANAGEMENT_SCOPE scope,
string pDeviceName,
COLORPROFILETYPE cptColorProfileType,
COLORPROFILESUBTYPE cpstColorProfileSubType,
uint dwProfileID,
string pProfileName
);
public const int ENUM_CURRENT_SETTINGS = -1;
public const string defaultDevice = "\\\\.\\DISPLAY1";
public static string? FindLaptopScreen()
{
string? laptopScreen = null;
try
{
var devices = GetAllDevices().ToArray();
int count = 0, displayNum = -1;
string internalName = AppConfig.GetString("internal_display");
foreach (var device in devices)
{
if (device.outputTechnology == DISPLAYCONFIG_VIDEO_OUTPUT_TECHNOLOGY.DISPLAYCONFIG_OUTPUT_TECHNOLOGY_INTERNAL ||
device.outputTechnology == DISPLAYCONFIG_VIDEO_OUTPUT_TECHNOLOGY.DISPLAYCONFIG_OUTPUT_TECHNOLOGY_DISPLAYPORT_EMBEDDED ||
device.monitorFriendlyDeviceName == internalName)
{
displayNum = count;
AppConfig.Set("internal_display", device.monitorFriendlyDeviceName);
}
count++;
//Logger.WriteLine(device.monitorFriendlyDeviceName + ":" + device.outputTechnology.ToString());
}
var screens = Screen.AllScreens;
if (screens.Length != count) return null;
count = 0;
foreach (var screen in screens)
{
if (count == displayNum)
{
laptopScreen = screen.DeviceName;
}
//Logger.WriteLine(screen.DeviceName);
count++;
}
if (displayNum > 0 && count == 0) laptopScreen = defaultDevice;
}
catch (Exception ex)
{
Logger.WriteLine(ex.ToString());
Logger.WriteLine("Can't detect internal screen");
laptopScreen = Screen.PrimaryScreen.DeviceName;
}
return laptopScreen;
}
public static int GetRefreshRate(bool max = false)
{
DEVMODE dm = CreateDevmode();
string? laptopScreen = FindLaptopScreen();
int frequency = -1;
if (laptopScreen is null)
return -1;
if (max)
{
int i = 0;
while (0 != EnumDisplaySettingsEx(laptopScreen, i, ref dm))
{
if (dm.dmDisplayFrequency > frequency) frequency = dm.dmDisplayFrequency;
i++;
}
}
else
{
if (0 != EnumDisplaySettingsEx(laptopScreen, ENUM_CURRENT_SETTINGS, ref dm))
{
frequency = dm.dmDisplayFrequency;
}
}
return frequency;
}
public static int SetRefreshRate(int frequency = 120)
{
DEVMODE dm = CreateDevmode();
string? laptopScreen = FindLaptopScreen();
if (laptopScreen is null)
return -1;
if (0 != EnumDisplaySettingsEx(laptopScreen, ENUM_CURRENT_SETTINGS, ref dm))
{
dm.dmDisplayFrequency = frequency;
int iRet = ChangeDisplaySettingsEx(laptopScreen, ref dm, IntPtr.Zero, DisplaySettingsFlags.CDS_UPDATEREGISTRY, IntPtr.Zero);
Logger.WriteLine("Screen = " + frequency.ToString() + "Hz : " + (iRet == 0 ? "OK" : iRet));
//Fallback scenario
if (iRet != 0)
{
Thread.Sleep(300);
iRet = ChangeDisplaySettingsEx(laptopScreen, ref dm, IntPtr.Zero, DisplaySettingsFlags.CDS_UPDATEREGISTRY, IntPtr.Zero);
Logger.WriteLine("Screen = " + frequency.ToString() + "Hz : " + (iRet == 0 ? "OK" : iRet));
}
return iRet;
}
return 0;
}
}
}