Merge branch 'feat/gtk4'

initial gtk4 app and window

1 files changed, 122 insertions, 0 deletions

diff --git a/lang/gjs/src/_app.ts b/lang/gjs/src/_app.ts
new file mode 100644
index 0000000..82e8bb5
--- /dev/null
+++ b/lang/gjs/src/_app.ts
@@ -0,0 +1,122 @@
+import { setConsoleLogDomain } from "console"
+import { exit, programArgs } from "system"
+import IO from "gi://AstalIO"
+import GObject from "gi://GObject"
+import Gio from "gi://Gio?version=2.0"
+import type Astal3 from "gi://Astal?version=3.0"
+import type Astal4 from "gi://Astal?version=4.0"
+
+type Config = Partial<{
+    instanceName: string
+    css: string
+    icons: string
+    gtkTheme: string
+    iconTheme: string
+    cursorTheme: string
+    hold: boolean
+    requestHandler(request: string, res: (response: any) => void): void
+    main(...args: string[]): void
+    client(message: (msg: string) => string, ...args: string[]): void
+}>
+
+interface Astal3JS extends Astal3.Application {
+    eval(body: string): Promise<any>
+    requestHandler: Config["requestHandler"]
+    apply_css(style: string, reset?: boolean): void
+    quit(code?: number): void
+    start(config?: Config): void
+}
+
+interface Astal4JS extends Astal4.Application {
+    eval(body: string): Promise<any>
+    requestHandler?: Config["requestHandler"]
+    apply_css(style: string, reset?: boolean): void
+    quit(code?: number): void
+    start(config?: Config): void
+}
+
+type App3 = typeof Astal3.Application
+type App4 = typeof Astal4.Application
+
+export function mkApp<App extends App3>(App: App): Astal3JS
+export function mkApp<App extends App4>(App: App): Astal4JS
+
+export function mkApp(App: App3 | App4) {
+    return new (class AstalJS extends App {
+        static { GObject.registerClass({ GTypeName: "AstalJS" }, this as any) }
+
+        eval(body: string): Promise<any> {
+            return new Promise((res, rej) => {
+                try {
+                    const fn = Function(`return (async function() {
+                        ${body.includes(";") ? body : `return ${body};`}
+                    })`)
+                    fn()().then(res).catch(rej)
+                }
+                catch (error) {
+                    rej(error)
+                }
+            })
+        }
+
+        requestHandler?: Config["requestHandler"]
+
+        vfunc_request(msg: string, conn: Gio.SocketConnection): void {
+            if (typeof this.requestHandler === "function") {
+                this.requestHandler(msg, (response) => {
+                    IO.write_sock(conn, String(response), (_, res) =>
+                        IO.write_sock_finish(res),
+                    )
+                })
+            }
+            else {
+                super.vfunc_request(msg, conn)
+            }
+        }
+
+        apply_css(style: string, reset = false) {
+            super.apply_css(style, reset)
+        }
+
+        quit(code?: number): void {
+            super.quit()
+            exit(code ?? 0)
+        }
+
+        start({ requestHandler, css, hold, main, client, icons, ...cfg }: Config = {}) {
+            const app = this as unknown as InstanceType<App3 | App4>
+
+            client ??= () => {
+                print(`Astal instance "${app.instanceName}" already running`)
+                exit(1)
+            }
+
+            Object.assign(this, cfg)
+            setConsoleLogDomain(app.instanceName)
+
+            this.requestHandler = requestHandler
+            app.connect("activate", () => {
+                main?.(...programArgs)
+            })
+
+            try {
+                app.acquire_socket()
+            }
+            catch (error) {
+                return client(msg => IO.send_message(app.instanceName, msg)!, ...programArgs)
+            }
+
+            if (css)
+                this.apply_css(css, false)
+
+            if (icons)
+                app.add_icons(icons)
+
+            hold ??= true
+            if (hold)
+                app.hold()
+
+            app.runAsync([])
+        }
+    })
+}