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Internal screen detection

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Serge
2023-08-18 18:15:12 +02:00
parent 584755ea93
commit 190786a15a
2 changed files with 132 additions and 28 deletions
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86
app/Display/ScreenNative.cs
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@@ -1,5 +1,8 @@
using System.Collections;
using Microsoft.VisualBasic.Logging;
using System.Collections;
using System.Diagnostics.Metrics;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using static GHelper.Display.ScreenInterrogatory;
namespace GHelper.Display
@@ -145,20 +148,12 @@ namespace GHelper.Display
public const int ENUM_CURRENT_SETTINGS = -1;
public const string defaultDevice = @"\\.\DISPLAY1";
public static string? FindLaptopScreen(bool log = false)
{
string? laptopScreen = null;
var screens = Screen.AllScreens;
private static string? FindInternalName(bool log = false)
{
try
{
var devices = GetAllDevices().ToArray();
Array.Sort(devices, new DeviceComparer());
Array.Sort(screens, new ScreenComparer());
int count = 0;
string internalName = AppConfig.GetString("internal_display");
foreach (var device in devices)
@@ -167,31 +162,68 @@ namespace GHelper.Display
device.outputTechnology == DISPLAYCONFIG_VIDEO_OUTPUT_TECHNOLOGY.DISPLAYCONFIG_OUTPUT_TECHNOLOGY_DISPLAYPORT_EMBEDDED ||
device.monitorFriendlyDeviceName == internalName)
{
if (log) Logger.WriteLine(device.monitorDevicePath + " " + device.outputTechnology);
AppConfig.Set("internal_display", device.monitorFriendlyDeviceName);
if (count < screens.Length)
{
laptopScreen = screens[count].DeviceName;
}
else
{
laptopScreen = defaultDevice;
}
var names = device.monitorDevicePath.Split("#");
return names[1];
}
if (log) Logger.WriteLine(device.monitorFriendlyDeviceName + ":" + device.outputTechnology.ToString() + device.connectorInstance.ToString() + ": " + ((count < screens.Length) ? screens[count].DeviceName : ""));
count++;
}
}
catch (Exception ex)
{
Logger.WriteLine(ex.ToString());
Logger.WriteLine("Can't detect internal screen");
laptopScreen = Screen.PrimaryScreen.DeviceName;
}
return null;
}
static string ExtractDisplay(string input)
{
int index = input.IndexOf('\\', 4); // Start searching from index 4 to skip ""
if (index != -1)
{
string extracted = input.Substring(0, index);
return extracted;
}
return input;
}
public static string? FindLaptopScreen(bool log = false)
{
string? laptopScreen = null;
string? internalName = FindInternalName(log);
if (internalName == null)
{
Logger.WriteLine("Internal screen off");
return null;
}
try
{
var displays = GetDisplayDevices().ToArray();
foreach (var display in displays)
{
if (log) Logger.WriteLine(display.DeviceID + " " + display.DeviceName);
if (display.DeviceID.Contains(internalName))
{
laptopScreen = ExtractDisplay(display.DeviceName);
break;
}
}
}
catch (Exception ex)
{
Logger.WriteLine(ex.ToString());
}
if (laptopScreen is null)
{
Logger.WriteLine("Default internal screen");
laptopScreen = Screen.PrimaryScreen.DeviceName;
}
return laptopScreen;
}