feat: dzgui 7 alpha

dzgui/util/css.py

@@ -0,0 +1,50 @@
+import gi  # noqa E402
+gi.require_version("Gtk", "3.0")
+from gi.repository import Gtk, Gdk
+
+
+def add_class(widget: Gtk.Widget, label: str) -> None:
+    """
+    Sets the classname of a widget, used
+    to apply CSS styling later
+    """
+    context = widget.get_style_context()
+    context.add_class(label)
+
+def load_css() -> None:
+    # TODO: consider storing this in a data file
+    css = """
+    .frame {
+        border: 0px;
+    }
+    .toast-label {
+        background-color: black;
+        border: 1px solid white;
+    }
+    .frame > border {
+        border-radius: 5px;
+        padding: 5px;
+    }
+    .page-heading {
+        font-size: 1.5rem;
+        font-weight: 800;
+        margin-bottom: 0.5rem;
+    }
+    .settings-subheading {
+        font-size: 1.2rem;
+        font-weight: 700;
+    }
+    .left-label {
+        font-size: 1.3rem;
+    }
+    .details-heading {
+        font-size: 1.2rem
+    }
+    """
+    prov = Gtk.CssProvider()
+    prov.load_from_data(css.encode("ascii"))
+    screen = Gdk.Screen.get_default()
+    if screen:
+        Gtk.StyleContext.add_provider_for_screen(
+            screen, prov, Gtk.STYLE_PROVIDER_PRIORITY_USER
+        )