Add command line options

DeltatuneWls/DeltatuneWls.csproj

@@ -12,6 +12,7 @@
 
     <ItemGroup>
       <PackageReference Include="GirCore.Gtk-4.0" Version="0.6.3" />
+      <PackageReference Include="System.CommandLine" Version="2.0.0-beta7.25380.108" />
     </ItemGroup>
 
     <ItemGroup>

DeltatuneWls/Program.cs

@@ -1,130 +1,152 @@
-using Gdk;
+using System.CommandLine;
+using Gdk;
 using Gio;
 using GLib;
 using Gtk;
 using Pango;
 using ZwlrLayerShell;
 using Application = Gtk.Application;
-using TimeSpan = System.TimeSpan;
 using Variant = GLib.Variant;
 
-if (!LayerShell.IsSupported())
+var overlayLayer = new Option<bool>("--overlay", "-o")
+    { Description = "Use the overlay layer instead of the top layer." };
+var horizontalMargin = new Option<uint>("--hmargin", "-H")
+    { Description = "Horizontal margin from screen edge in pixels.", DefaultValueFactory = parseResult => 55 };
+var verticalMargin = new Option<uint>("--vmargin", "-V")
+    { Description = "Vertical margin from screen edge in pixels.", DefaultValueFactory = parseResult => 15 };
+
+var root = new RootCommand("Displays your current song like in Deltarune Chapter 1.")
+    { Options = { overlayLayer, horizontalMargin, verticalMargin } };
+
+root.SetAction(RunApplication);
+
+var rootParsed = root.Parse(args);
+
+return rootParsed.Invoke();
+
+void RunApplication(ParseResult parseResult)
 {
-    Console.WriteLine("You must be running on a Wayland compositor that supports zwlr_layer_shell_v1");
+    if (!LayerShell.IsSupported())
-    return 255;
-}
-
-ApplicationWindow? window = null;
-
-var application = Application.New("gay.pancakes.deltatune_wls", Gio.ApplicationFlags.FlagsNone);
-
-GLib.Functions.TimeoutAdd(GLib.Constants.PRIORITY_DEFAULT, 500, () =>
-{
-    if (window == null) return true;
-
-    var playerctl = Subprocess.New(["playerctl", "metadata", "--format", "{{ title }}"],
-        SubprocessFlags.StdoutPipe | SubprocessFlags.StderrSilence);
-
-    var pipe = playerctl.GetStdoutPipe();
-    if (pipe == null) return true;
-
-    var stdout = DataInputStream.New(pipe);
-    var line   = stdout.ReadLineUtf8(out UIntPtr length, null);
-
-    window.ActivateAction("new_song", Variant.NewString(line?.Trim() ?? ""));
-
-    return true;
-});
-
-application.OnActivate += (sender, eventArgs) =>
-{
-    window = ApplicationWindow.New((Application)sender);
-
-    LayerShell.InitForWindow(window);
-    LayerShell.SetNamespace(window, "deltatune-wls");
-    LayerShell.SetLayer(window, Layer.Top);
-    LayerShell.SetAnchor(window, Edge.Left, true);
-    LayerShell.SetAnchor(window, Edge.Right, true);
-    LayerShell.SetAnchor(window, Edge.Top, true);
-    LayerShell.SetMargin(window, 15);
-    LayerShell.SetMargin(window, Edge.Left, 55);
-
-    var label = Label.New(null);
-    label.Halign    = Align.Start;
-    label.Ellipsize = EllipsizeMode.End;
-
-    window.SetChild(label);
-
-    window.OnDestroy += (widget, args1) => application.Quit();
-
-    var action = SimpleAction.NewStateful("new_song", VariantType.String, Variant.NewString(""));
-    action.OnActivate += (simpleAction, signalArgs) =>
     {
-        var title    = simpleAction.GetState()!.GetString(out _);
+        Console.WriteLine("You must be running on a Wayland compositor that supports zwlr_layer_shell_v1");
-        var newTitle = signalArgs.Parameter!.GetString(out _);
+        return;
+    }
 
-        if (newTitle != title)
+    ApplicationWindow? window = null;
+
+    var application = Application.New("gay.pancakes.deltatune_wls", Gio.ApplicationFlags.FlagsNone);
+
+    GLib.Functions.TimeoutAdd(GLib.Constants.PRIORITY_DEFAULT, 500, () =>
+    {
+        if (window == null) return true;
+
+        var playerctl = Subprocess.New(["playerctl", "metadata", "--format", "{{ title }}"],
+            SubprocessFlags.StdoutPipe | SubprocessFlags.StderrSilence);
+
+        var pipe = playerctl.GetStdoutPipe();
+        if (pipe == null) return true;
+
+        var stdout = DataInputStream.New(pipe);
+        var line   = stdout.ReadLineUtf8(out UIntPtr length, null);
+
+        window.ActivateAction("new_song", Variant.NewString(line?.Trim() ?? ""));
+
+        return true;
+    });
+
+    application.OnActivate += (sender, eventArgs) =>
+    {
+        window = ApplicationWindow.New((Application)sender);
+
+        LayerShell.InitForWindow(window);
+        LayerShell.SetNamespace(window, "deltatune-wls");
+        LayerShell.SetLayer(window, parseResult.GetValue(overlayLayer) ? Layer.Overlay : Layer.Top);
+        LayerShell.SetAnchor(window, Edge.Left, true);
+        LayerShell.SetAnchor(window, Edge.Right, true);
+        LayerShell.SetAnchor(window, Edge.Top, true);
+        LayerShell.SetMargin(window, Edge.Left, (int)parseResult.GetValue(horizontalMargin));
+        LayerShell.SetMargin(window, Edge.Right, (int)parseResult.GetValue(horizontalMargin));
+        LayerShell.SetMargin(window, Edge.Top, (int)parseResult.GetValue(verticalMargin));
+        LayerShell.SetMargin(window, Edge.Bottom, (int)parseResult.GetValue(verticalMargin));
+
+        var label = Label.New(null);
+        label.Halign    = Align.Start;
+        label.Ellipsize = EllipsizeMode.End;
+
+        window.SetChild(label);
+
+        window.OnDestroy += (widget, args1) => application.Quit();
+
+        var action = SimpleAction.NewStateful("new_song", VariantType.String, Variant.NewString(""));
+        action.OnActivate += (simpleAction, signalArgs) =>
         {
-            simpleAction.SetState(signalArgs.Parameter);
+            var title    = simpleAction.GetState()!.GetString(out _);
-            label.SetLabel($"♪ ~ {newTitle}");
+            var newTitle = signalArgs.Parameter!.GetString(out _);
-            if (!label.HasCssClass("fade-in"))
+
+            if (newTitle != title)
             {
-                label.AddCssClass("fade-in");
+                simpleAction.SetState(signalArgs.Parameter);
-                GLib.Functions.TimeoutAddSeconds(GLib.Constants.PRIORITY_DEFAULT, 9, () => {
+                label.SetLabel($"♪ ~ {newTitle}");
-                    label.RemoveCssClass("fade-in");
+                if (!label.HasCssClass("fade-in"))
-                    return false;
+                {
-                });
+                    label.AddCssClass("fade-in");
+                    GLib.Functions.TimeoutAddSeconds(GLib.Constants.PRIORITY_DEFAULT, 9, () =>
+                    {
+                        label.RemoveCssClass("fade-in");
+                        return false;
+                    });
+                }
             }
-        }
+        };
+        window.AddAction(action);
+
+        window.Present();
     };
-    window.AddAction(action);
 
-    window.Present();
+    var css = CssProvider.New();
-};
+    css.LoadFromString("""
+                       window {
+                           background-color: transparent;
+                       }
 
-var css = CssProvider.New();
+                       window label {
-css.LoadFromString("""
+                           font-size: x-large;
-window {
+                           color: white;
-    background-color: transparent;
+                           text-shadow: -1px -1px 0 #15249a, 1px -1px 0 #15249a, -1px 1px 0 #15249a, 1px 1px 0 #15249a;;
+                           opacity: 0;
+                       }
+
+                       .fade-in {
+                           animation: 8s fade-in ease-in-out both;
+                       }
+
+                       @keyframes fade-in {
+                           0% {
+                               transform: translateX(80px);
+                               opacity: 0;
+                           }
+
+                           5% {
+                               transform: translateX(50px);
+                               opacity: 1;
+                           }
+                           
+                           80% {
+                               opacity: 1;
+                           }
+
+                           85% {
+                               transform: translateX(50px);
+                           }
+
+                           100% {
+                               transform: translateX(0);
+                               opacity: 0;
+                           }
+                       }
+                       """);
+    StyleContext.AddProviderForDisplay(Display.GetDefault()!, css,
+        Gtk.Constants.STYLE_PROVIDER_PRIORITY_APPLICATION);
+
+    application.RunWithSynchronizationContext(null);
 }
-
-window label {
-    font-size: x-large;
-    color: white;
-    text-shadow: -1px -1px 0 #15249a, 1px -1px 0 #15249a, -1px 1px 0 #15249a, 1px 1px 0 #15249a;;
-    opacity: 0;
-}
-
-.fade-in {
-    animation: 8s fade-in ease-in-out both;
-}
-
-@keyframes fade-in {
-    0% {
-        transform: translateX(80px);
-        opacity: 0;
-    }
-
-    5% {
-        transform: translateX(50px);
-        opacity: 1;
-    }
-    
-    80% {
-        opacity: 1;
-    }
-
-    85% {
-        transform: translateX(50px);
-    }
-
-    100% {
-        transform: translateX(0);
-        opacity: 0;
-    }
-}
-""");
-StyleContext.AddProviderForDisplay(Display.GetDefault()!, css,
-    Gtk.Constants.STYLE_PROVIDER_PRIORITY_APPLICATION);
-
-return application.RunWithSynchronizationContext(null);