feat(ags4): implement lockscreen

modules/ags/gtk4/app.ts

@@ -2,7 +2,8 @@ import { App } from 'astal/gtk4';
 
 import style from './style.scss';
 
-import Bar from './widget/bar';
+// import Bar from './widgets/bar';
+import Lockscreen from './widgets/lockscreen';
 
 
 App.start({
@@ -10,6 +11,7 @@ App.start({
     instanceName: 'gtk4',
 
     main() {
-        Bar();
+        // Bar();
+        Lockscreen();
     },
 });

modules/ags/gtk4/lib/windows.ts

@@ -2,7 +2,7 @@ import { idle } from 'astal';
 import { App, Gdk, Gtk } from 'astal/gtk4';
 
 /* Types */
-import PopupWindow from '../widget/misc/popup-window';
+import PopupWindow from '../widgets/misc/popup-window';
 
 export interface Layer {
     address: string

modules/ags/gtk4/style.scss

@@ -1,3 +1,5 @@
+@use './widgets/lockscreen';
+
 // https://gitlab.gnome.org/GNOME/gtk/-/blob/gtk-3-24/gtk/theme/Adwaita/_colors-public.scss
 $fg-color: #{"@theme_fg_color"};
 $bg-color: #{"@theme_bg_color"};

modules/ags/gtk4/widgets/lockscreen/_index.scss

@@ -0,0 +1,9 @@
+window,
+viewport {
+    all: unset;
+}
+
+.lock-clock {
+    font-size: 80pt;
+    font-family: 'Ubuntu Mono';
+}

modules/ags/gtk4/widgets/lockscreen/index.ts

@@ -0,0 +1,253 @@
+import { idle, timeout, Variable } from 'astal';
+import { App, Astal, Gdk, Gtk } from 'astal/gtk4';
+import { register } from 'astal/gobject';
+
+import AstalAuth from 'gi://AstalAuth';
+import Gtk4SessionLock from 'gi://Gtk4SessionLock';
+
+import { Box, BoxClass, Entry, Label, Window } from '../subclasses';
+import Separator from '../misc/separator';
+import { get_hyprland_monitor_desc } from '../../lib';
+
+// This file is generated by Nix
+import Vars from './vars';
+
+/* Types */
+declare global {
+    function authFinger(): void;
+}
+@register()
+class BlurredBox extends BoxClass {
+    geometry = {} as { w: number, h: number };
+}
+
+
+export default () => {
+    const windows = new Map<Gdk.Monitor, Gtk.Window>();
+    const blurBGs: BlurredBox[] = [];
+
+    const transition_duration = 1000;
+    const WINDOW_MARGINS = -2;
+    const ENTRY_SPACING = 20;
+    const CLOCK_SPACING = 60;
+
+    const bgCSS = ({ w = 1, h = 1 } = {}) => `* {
+        border: 2px solid rgba(189, 147, 249, 0.8);
+        background: rgba(0, 0, 0, 0.2);
+        min-height: ${h}px;
+        min-width: ${w}px;
+        transition: min-height ${transition_duration / 2}ms,
+                    min-width ${transition_duration / 2}ms;
+    }`;
+
+    const lock = Gtk4SessionLock.get_singleton();
+
+    const unlock = () => {
+        blurBGs.forEach((b) => {
+            b.css = bgCSS({
+                w: b.geometry.w,
+                h: 1,
+            });
+
+            timeout(transition_duration / 2, () => {
+                b.css = bgCSS({
+                    w: 1,
+                    h: 1,
+                });
+            });
+        });
+        timeout(transition_duration, () => {
+            Gtk4SessionLock.unlock();
+            Gdk.Display.get_default()?.sync();
+            App.quit();
+        });
+    };
+
+    const Clock = () => {
+        const time = Variable<string>('').poll(1000, () => {
+            return (new Date().toLocaleString([], {
+                hour: 'numeric',
+                minute: 'numeric',
+                hour12: true,
+            }) ?? '')
+                .replace('a.m.', 'AM')
+                .replace('p.m.', 'PM');
+        });
+
+        return Label({
+            cssClasses: ['lock-clock'],
+            label: time(),
+        });
+    };
+
+    const PasswordPrompt = (monitor: Gdk.Monitor, visible: boolean) => {
+        const rev = new BlurredBox({ css: bgCSS() });
+
+        idle(() => {
+            rev.geometry = {
+                w: monitor.get_geometry().width,
+                h: monitor.get_geometry().height,
+            };
+
+            rev.css = bgCSS({
+                w: rev.geometry.w,
+                h: 1,
+            });
+
+            timeout(transition_duration / 2, () => {
+                rev.css = bgCSS({
+                    w: rev.geometry.w,
+                    h: rev.geometry.h,
+                });
+            });
+        });
+
+        blurBGs.push(rev);
+
+        Window({
+            name: `blur-bg-${monitor.get_model()}`,
+            namespace: `blur-bg-${monitor.get_model()}`,
+            gdkmonitor: monitor,
+            layer: Astal.Layer.OVERLAY,
+            visible: true,
+
+            anchor: Astal.WindowAnchor.TOP |
+                Astal.WindowAnchor.LEFT |
+                Astal.WindowAnchor.RIGHT |
+                Astal.WindowAnchor.BOTTOM,
+
+            margin: WINDOW_MARGINS,
+            exclusivity: Astal.Exclusivity.IGNORE,
+
+            child: Box({
+                halign: Gtk.Align.CENTER,
+                valign: Gtk.Align.CENTER,
+                children: [rev],
+            }),
+        });
+
+        const label = Label({ label: 'Enter password:' });
+
+        return new Gtk.Window({
+            child: visible ?
+                Box({
+                    vertical: true,
+                    halign: Gtk.Align.CENTER,
+                    valign: Gtk.Align.CENTER,
+                    spacing: 16,
+
+                    children: [
+                        Clock(),
+
+                        Separator({
+                            size: CLOCK_SPACING,
+                            vertical: true,
+                        }),
+
+                        Box({
+                            halign: Gtk.Align.CENTER,
+                            cssClasses: ['avatar'],
+                        }),
+
+                        Box({
+                            cssClasses: ['entry-box'],
+                            vertical: true,
+
+                            children: [
+                                label,
+
+                                Separator({
+                                    size: ENTRY_SPACING,
+                                    vertical: true,
+                                }),
+
+                                Entry({
+                                    halign: Gtk.Align.CENTER,
+                                    xalign: 0.5,
+                                    visibility: false,
+                                    placeholder_text: 'password',
+
+                                    onRealize: (self) => self.grab_focus(),
+
+                                    onActivate: (self) => {
+                                        self.set_sensitive(false);
+
+                                        AstalAuth.Pam.authenticate(self.get_text() ?? '', (_, task) => {
+                                            try {
+                                                AstalAuth.Pam.authenticate_finish(task);
+                                                unlock();
+                                            }
+                                            catch (e) {
+                                                self.set_text('');
+                                                label.set_label((e as Error).message);
+                                                self.set_sensitive(true);
+                                            }
+                                        });
+                                    },
+                                }),
+                            ],
+                        }),
+                    ],
+                }) :
+                Box(),
+        });
+    };
+
+    const createWindow = (monitor: Gdk.Monitor) => {
+        const hyprDesc = get_hyprland_monitor_desc(monitor);
+        const entryVisible = Vars.mainMonitor === hyprDesc || Vars.dupeLockscreen;
+        const win = PasswordPrompt(monitor, entryVisible);
+
+        windows.set(monitor, win);
+    };
+
+    const lock_screen = () => {
+        const display = Gdk.Display.get_default();
+
+        for (let m = 0; m < (display?.get_monitors().get_n_items() ?? 0); m++) {
+            const monitor = display?.get_monitors().get_item(m) as Gdk.Monitor;
+
+            if (monitor) {
+                createWindow(monitor);
+            }
+        }
+
+        display?.get_monitors()?.connect('items-changed', () => {
+            for (let m = 0; m < (display?.get_monitors().get_n_items() ?? 0); m++) {
+                const monitor = display?.get_monitors().get_item(m) as Gdk.Monitor;
+
+                if (monitor && !windows.has(monitor)) {
+                    createWindow(monitor);
+                }
+            }
+        });
+
+        Gtk4SessionLock.lock();
+
+        windows.forEach((win, monitor) => {
+            Gtk4SessionLock.assign_window_to_monitor(win, monitor);
+            win.show();
+        });
+    };
+
+    const on_finished = () => {
+        Gdk.Display.get_default()?.sync();
+        App.quit();
+    };
+
+    lock.connect('finished', on_finished);
+
+    if (Vars.hasFprintd) {
+        globalThis.authFinger = () => AstalAuth.Pam.authenticate('', (_, task) => {
+            try {
+                AstalAuth.Pam.authenticate_finish(task);
+                unlock();
+            }
+            catch (e) {
+                console.error((e as Error).message);
+            }
+        });
+        globalThis.authFinger();
+    }
+    lock_screen();
+};

modules/ags/packages.nix

@@ -129,6 +129,16 @@ in {
           buildNodeModules
           buildGirTypes
           ;
+
+        lockscreenVars =
+          # javascript
+          ''
+            export default {
+                mainMonitor: '${cfgDesktop.mainMonitor}',
+                dupeLockscreen: ${boolToString cfgDesktop.displayManager.duplicateScreen},
+                hasFprintd: ${boolToString (hostName == "wim")},
+            };
+          '';
       in (
         (buildGirTypes {
           pname = "ags";
@@ -159,15 +169,8 @@ in {
             source = buildNodeModules ./config (import ./config).npmDepsHash;
           };
 
-          "${cfg.configDir}/widgets/lockscreen/vars.ts".text =
-            # javascript
-            ''
-              export default {
-                  mainMonitor: '${cfgDesktop.mainMonitor}',
-                  dupeLockscreen: ${boolToString cfgDesktop.displayManager.duplicateScreen},
-                  hasFprintd: ${boolToString (hostName == "wim")},
-              };
-            '';
+          "${cfg.configDir}/widgets/lockscreen/vars.ts".text = lockscreenVars;
+          "${gtk4ConfigDir}/widgets/lockscreen/vars.ts".text = lockscreenVars;
         }
         // optionalAttrs cfgDesktop.isTouchscreen {
           ".config/fcitx5/conf/virtualkeyboardadapter.conf".text = ''