feat: add app launcher

sims/modules/launcher/apps.py

@@ -0,0 +1,59 @@
+from fabric.utils.helpers import DesktopApp, get_desktop_applications
+from fabric.widgets.box import Box
+from fabric.widgets.image import Image
+from fabric.widgets.label import Label
+from gi.repository import Gtk
+
+from .base import FuzzyMenu
+
+
+ICON_SIZE = 32
+
+
+class AppProvider:
+    def items(self) -> list[DesktopApp]:
+        return get_desktop_applications()
+
+    def filter(self, items: list[DesktopApp], query: str) -> list[DesktopApp]:
+        if not query:
+            return items
+        q = query.lower()
+        return [a for a in items if _matches(a, q)]
+
+    def render(self, item: DesktopApp) -> Gtk.Widget:
+        children: list[Gtk.Widget] = []
+
+        pixbuf = item.get_icon_pixbuf(size=ICON_SIZE)
+        if pixbuf is not None:
+            children.append(Image(pixbuf=pixbuf, name="app-icon"))
+
+        primary = item.display_name or item.name or ""
+        text_box = Box(name="app-text", orientation="v", spacing=0)
+        text_box.add(Label(label=primary, name="app-name", h_align="start"))
+        if item.generic_name and item.generic_name != primary:
+            text_box.add(
+                Label(label=item.generic_name, name="app-generic", h_align="start")
+            )
+        children.append(text_box)
+
+        return Box(name="slot-box", orientation="h", spacing=10, children=children)
+
+    def activate(self, item: DesktopApp) -> None:
+        item.launch()
+
+
+def _matches(app: DesktopApp, q: str) -> bool:
+    for field in (app.name, app.display_name, app.generic_name, app.executable):
+        if field and q in field.lower():
+            return True
+    return False
+
+
+def AppLauncher(monitor: int = 0) -> FuzzyMenu:
+    return FuzzyMenu(
+        provider=AppProvider(),
+        monitor=monitor,
+        placeholder="Search Apps...",
+        window_name="app-launcher",
+        max_results=8,
+    )