app launcher

1 files changed, 190 insertions, 0 deletions

diff --git a/modules/launcher.tsx b/modules/launcher.tsx
new file mode 100644
index 0000000..4cde7c4
--- /dev/null
+++ b/modules/launcher.tsx
@@ -0,0 +1,190 @@
+import { bind, Gio, timeout, Variable } from "astal";
+import { Astal, Gtk, Widget } from "astal/gtk3";
+import type AstalApps from "gi://AstalApps";
+import AstalHyprland from "gi://AstalHyprland";
+import { Apps } from "../services/apps";
+import { getAppCategoryIcon } from "../utils/icons";
+import { launch } from "../utils/system";
+import { PopupWindow, setupCustomTooltip, TransitionType } from "../utils/widgets";
+
+const maxSearchResults = 15;
+
+const browser = [
+    "firefox",
+    "waterfox",
+    "google-chrome",
+    "chromium",
+    "brave-browser",
+    "vivaldi-stable",
+    "vivaldi-snapshot",
+];
+const terminal = ["foot", "alacritty", "kitty", "wezterm"];
+const files = ["thunar", "nemo", "nautilus"];
+const ide = ["codium", "code", "clion", "intellij-idea-ultimate-edition"];
+const music = ["spotify-adblock", "spotify", "audacious", "elisa"];
+
+const launchAndClose = (self: JSX.Element, astalApp: AstalApps.Application) => {
+    const toplevel = self.get_toplevel();
+    if (toplevel instanceof Widget.Window) toplevel.hide();
+    launch(astalApp);
+};
+
+const PinnedApp = ({ names }: { names: string[] }) => {
+    let app: Gio.DesktopAppInfo | null = null;
+    let astalApp: AstalApps.Application | undefined;
+    for (const name of names) {
+        app = Gio.DesktopAppInfo.new(`${name}.desktop`);
+        if (app) {
+            astalApp = Apps.get_list().find(a => a.entry === `${name}.desktop`);
+            if (app.get_icon() && astalApp) break;
+            else app = null; // Set app to null if no icon or matching AstalApps#Application
+        }
+    }
+
+    if (!app) console.error(`Launcher - Unable to find app for "${names.join(", ")}"`);
+
+    return app ? (
+        <button
+            className="app"
+            cursor="pointer"
+            onClicked={self => launchAndClose(self, astalApp!)}
+            setup={self => setupCustomTooltip(self, app.get_display_name())}
+        >
+            <icon gicon={app.get_icon()!} />
+        </button>
+    ) : null;
+};
+
+const PinnedApps = () => (
+    <box homogeneous className="pinned">
+        <PinnedApp names={browser} />
+        <PinnedApp names={terminal} />
+        <PinnedApp names={files} />
+        <PinnedApp names={ide} />
+        <PinnedApp names={music} />
+    </box>
+);
+
+const SearchEntry = ({ entry }: { entry: Widget.Entry }) => (
+    <stack
+        hexpand
+        transitionType={Gtk.StackTransitionType.CROSSFADE}
+        transitionDuration={150}
+        setup={self =>
+            self.hook(entry, "notify::text-length", () =>
+                // Timeout to avoid flickering when replacing entire text (cause it'll set len to 0 then back to > 0)
+                timeout(1, () => (self.shown = entry.textLength > 0 ? "entry" : "placeholder"))
+            )
+        }
+    >
+        <label name="placeholder" className="placeholder" xalign={0} label='Type ">" for subcommands' />
+        {entry}
+    </stack>
+);
+
+const Result = ({ app }: { app: AstalApps.Application }) => (
+    <button className="app" cursor="pointer" onClicked={self => launchAndClose(self, app)}>
+        <box>
+            {Astal.Icon.lookup_icon(app.iconName) ? (
+                <icon className="icon" icon={app.iconName} />
+            ) : (
+                <label className="icon" label={getAppCategoryIcon(app)} />
+            )}
+            <label xalign={0} label={app.name} />
+        </box>
+    </button>
+);
+
+const Results = ({ entry }: { entry: Widget.Entry }) => {
+    const empty = Variable(true);
+    return (
+        <stack
+            className="results"
+            transitionType={Gtk.StackTransitionType.CROSSFADE}
+            transitionDuration={150}
+            shown={bind(empty).as(t => (t ? "empty" : "list"))}
+        >
+            <box name="empty" className="empty" halign={Gtk.Align.CENTER} valign={Gtk.Align.CENTER}>
+                <label className="icon" label="apps_outage" />
+                <label label="No results" />
+            </box>
+            <box
+                vertical
+                name="list"
+                setup={self => {
+                    let apps: AstalApps.Application[] = [];
+                    self.hook(entry, "activate", () => {
+                        if (entry.text && apps[0]) launchAndClose(self, apps[0]);
+                    });
+                    self.hook(entry, "changed", () => {
+                        if (!entry.text) return;
+                        self.foreach(ch => ch.destroy());
+                        apps = Apps.fuzzy_query(entry.text);
+                        empty.set(apps.length === 0);
+                        if (apps.length > maxSearchResults) apps.length = maxSearchResults;
+                        for (const app of apps) self.add(<Result app={app} />);
+                    });
+                }}
+            />
+        </stack>
+    );
+};
+
+const Launcher = ({ entry }: { entry: Widget.Entry }) => (
+    <box
+        vertical
+        className="launcher"
+        css={bind(AstalHyprland.get_default(), "focusedMonitor").as(m => `margin-top: ${m.height / 4}px;`)}
+    >
+        <box className="search-bar">
+            <label className="icon" label="search" />
+            <SearchEntry entry={entry} />
+            <label className="icon" label="apps" />
+        </box>
+        <revealer
+            revealChild={bind(entry, "textLength").as(t => t === 0)}
+            transitionType={Gtk.RevealerTransitionType.SLIDE_DOWN}
+            transitionDuration={150}
+        >
+            <PinnedApps />
+        </revealer>
+        <revealer
+            revealChild={bind(entry, "textLength").as(t => t > 0)}
+            transitionType={Gtk.RevealerTransitionType.SLIDE_UP}
+            transitionDuration={150}
+        >
+            <Results entry={entry} />
+        </revealer>
+    </box>
+);
+
+export default () => {
+    const entry = (<entry name="entry" />) as Widget.Entry;
+
+    return (
+        <PopupWindow
+            name="launcher"
+            keymode={Astal.Keymode.EXCLUSIVE}
+            exclusivity={Astal.Exclusivity.IGNORE}
+            onKeyPressEvent={(_, event) => {
+                const keyval = event.get_keyval()[1];
+                // Focus entry on typing
+                if (!entry.isFocus && keyval >= 32 && keyval <= 126) {
+                    entry.text += String.fromCharCode(keyval);
+                    entry.grab_focus();
+                    entry.set_position(-1);
+
+                    // Consume event, if not consumed it will duplicate character in entry
+                    return true;
+                }
+            }}
+            // Clear entry text on hide
+            setup={self => self.connect("hide", () => entry.set_text(""))}
+            transitionType={TransitionType.SLIDE_DOWN}
+            halign={Gtk.Align.CENTER}
+            valign={Gtk.Align.START}
+        >
+            <Launcher entry={entry} />
+        </PopupWindow>
+    );
+};