Always on top

build.cake

@@ -3,7 +3,7 @@
 
 var configuration = Argument("configuration", "Release");
 var output = Argument("output", "artifacts");
-var version = Argument("version", "v0.10");
+var version = Argument("version", "v0.11");
 
 var sln = "windows-terminal-quake.sln";
 var bin = "./windows-terminal-quake/bin";

windows-terminal-quake/Native/TerminalProcess.cs

@@ -97,6 +97,10 @@ private static Process GetOrCreate()
 			// Make sure the process name equals "WindowsTerminal", otherwise WT might still be starting
 			if (process.ProcessName != "WindowsTerminal") throw new Exception("Process name is not 'WindowsTerminal' yet.");
 
+			// We need a proper window title before we can continue
+			if (process.MainWindowTitle == "")
+				throw new Exception($"Process still has temporary '' window title.");
+
 			// This is a way-too-specific check to further ensure the WT process is ready
 			if (process.MainWindowTitle == "DesktopWindowXamlSource")
 				throw new Exception($"Process still has temporary 'DesktopWindowXamlSource' window title.");

windows-terminal-quake/Native/TopMostWindow.cs

@@ -0,0 +1,26 @@
+using Polly;
+using Polly.Retry;
+using System;
+using System.Diagnostics;
+
+namespace WindowsTerminalQuake.Native
+{
+	public static class TopMostWindow
+	{
+		private static readonly RetryPolicy Retry = Policy
+			.Handle<Exception>()
+			.WaitAndRetry(new[] { TimeSpan.FromMilliseconds(250), TimeSpan.FromSeconds(1), TimeSpan.FromSeconds(1) })
+		;
+
+		public static void SetTopMost(Process process)
+		{
+			Retry.Execute(() =>
+			{
+				if (process.MainWindowHandle == IntPtr.Zero) throw new Exception("Process handle zero");
+
+				var isSet = User32.SetWindowPos(process.MainWindowHandle, User32.HWND_TOPMOST, 0, 0, 0, 0, User32.TOPMOST_FLAGS);
+				if (!isSet) throw new Exception("Could not set window top most");
+			});
+		}
+	}
+}

windows-terminal-quake/Native/User32.cs

@@ -29,6 +29,10 @@ public static class User32
 		[DllImport("user32.dll")]
 		public static extern bool SetLayeredWindowAttributes(IntPtr hwnd, uint crKey, byte bAlpha, uint dwFlags);
 
+		[DllImport("user32.dll")]
+		[return: MarshalAs(UnmanagedType.Bool)]
+		public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);
+
 		public struct Rect
 		{
 			public int Left { get; set; }
@@ -45,5 +49,10 @@ public struct Rect
 		public const int WS_EX_APPWINDOW = 0x00040000;
 		public const int WS_EX_LAYERED = 0x80000;
 		public const int WS_EX_TOOLWINDOW = 0x00000080;
+
+		public static readonly IntPtr HWND_TOPMOST = new IntPtr(-1);
+		public const UInt32 SWP_NOSIZE = 0x0001;
+		public const UInt32 SWP_NOMOVE = 0x0002;
+		public const UInt32 TOPMOST_FLAGS = SWP_NOMOVE | SWP_NOSIZE;
 	}
 }

windows-terminal-quake/Settings.cs

@@ -46,19 +46,29 @@ static Settings()
 			_fsWatchers = PathsToSettings
 				.Select(path =>
 				{
-					Log.Information($"Watching settings file '{path}' for changes");
-					var fsWatcher = new FileSystemWatcher(Path.GetDirectoryName(path), Path.GetFileName(path));
-
-					fsWatcher.Changed += (s, a) =>
+					try
 					{
-						Log.Information($"Settings file '{a.FullPath}' changed");
-						Reload(true);
-					};
+						Log.Information($"Watching settings file '{path}' for changes");
+						var fsWatcher = new FileSystemWatcher(Path.GetDirectoryName(path), Path.GetFileName(path));
 
-					fsWatcher.EnableRaisingEvents = true;
+						fsWatcher.Changed += (s, a) =>
+						{
+							Log.Information($"Settings file '{a.FullPath}' changed");
+							Reload(true);
+						};
 
-					return fsWatcher;
+						fsWatcher.EnableRaisingEvents = true;
+
+						return fsWatcher;
+					}
+					catch (Exception ex)
+					{
+						Log.Error(ex, $"Could not load settings file at location '{path}': {ex.Message}");
+						return null;
+					}
 				})
+				.Where(s => s != null)
+				.Select(s => s!)
 				.ToList()
 			;
 
@@ -130,6 +140,8 @@ public class SettingsDto
 		public bool Logging { get; set; } = false;
 
 		public bool HideOnFocusLost { get; set; } = true;
+
+		public bool AlwaysOnTop { get; set; }
 	}
 
 	public class Hotkey

windows-terminal-quake/Toggler.cs

@@ -18,6 +18,9 @@ public class Toggler : IDisposable
 
 		public Toggler()
 		{
+			// Always on top
+			if (Settings.Instance.AlwaysOnTop) TopMostWindow.SetTopMost(_process);
+
 			// Hide from taskbar
 			User32.SetWindowLong(_process.MainWindowHandle, User32.GWL_EX_STYLE, (User32.GetWindowLong(_process.MainWindowHandle, User32.GWL_EX_STYLE) | User32.WS_EX_TOOLWINDOW) & ~User32.WS_EX_APPWINDOW);
 

windows-terminal-quake/windows-terminal-quake.json

@@ -22,7 +22,7 @@
 	// How long the toggle up/down takes in milliseconds.
 	"ToggleDurationMs": 250,
 
-	// How much room to leave between the top of the terminal and the top of the screen
+	// How much room to leave between the top of the terminal and the top of the screen.
 	"VerticalOffset": 0,
 
 	// How far the terminal should come down, in percentage (eg. 50 = half way, 100 = full screen).
@@ -38,7 +38,10 @@
 	"HorizontalScreenCoverage": 100,
 
 	// When clicking or alt-tabbing away to another app, the terminal will automatically (and instantly) hide.
-	"HideOnFocusLost": true
+	"HideOnFocusLost": true,
+
+	// Whether to keep the terminal window always on top (requires restart).
+	"AlwaysOnTop": false
 
 	// # HotKeys
 	// ## Modifiers