feat: add notebook page

dzgui/util/strings.py

@@ -485,11 +485,13 @@ api_error = "API key validation error or timeout. See 'Help > Show debug log' fo
 
 @dataclass(slots=True, frozen=True)
 class DevelopersPage:
+    header: str
     paths_label: str
     prefs_label: str
     columns: list[str]
 
 developers = DevelopersPage(
+    header="Developers",
     paths_label="Resolved XDG paths",
     prefs_label="Boot preferences",
     columns=["Key", "Value"]

dzgui/views/pages/devs.py

@@ -0,0 +1,84 @@
+import typing
+
+import gi  # noqa E402
+gi.require_version("Gtk", "3.0")
+from gi.repository import Gtk
+
+from dataclasses import fields
+from typing import Union, TYPE_CHECKING
+from dzgui.const.enum import NotebookPage
+from dzgui.util.strings import developers
+from dzgui.util.css import add_class
+
+if TYPE_CHECKING:
+    from dzgui.controllers.mc import Controller
+    from dzgui.config.userprefs import UserPrefs
+    from dzgui.config.xdg import Xdg
+
+"""
+Shows TreeViews displaying contents of parsed XDG paths and user preferences
+"""
+
+# TODO: make scrollable, test long values/wrapping
+
+class Developers(Gtk.Box):
+    def __init__(self, controller: "Controller") -> None:
+        super().__init__(
+            orientation=Gtk.Orientation.VERTICAL,
+            margin_start=10,
+            margin_end=10,
+        )
+
+        self.controller = controller
+
+        heading = Gtk.Label(label=developers.header)
+        heading.set_halign(Gtk.Align.CENTER)
+        add_class(heading, "page-heading")
+
+        back_button = Gtk.Button(label="Back", halign=Gtk.Align.START)
+        back_button.connect("clicked", self._on_back_clicked)
+        paths_label = Gtk.Label()
+        paths_label.set_markup(f"<b>{developers.paths_label}</b>")
+
+        prefs_label = Gtk.Label()
+        prefs_label.set_markup(f"<b>{developers.prefs_label}</b>")
+
+        paths_tree = self._make_tree(self.controller.prefs.paths)
+        prefs_tree = self._make_tree(self.controller.prefs)
+        trees_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=10)
+
+        paths_tree.set_cursor(0)
+        prefs_tree.set_cursor(0)
+
+        for el in [
+            paths_label,
+            paths_tree,
+            prefs_label,
+            prefs_tree
+        ]:
+            trees_box.add(el)
+
+        self.add(heading)
+        self.add(back_button)
+        self.add(trees_box)
+
+    def _on_back_clicked(self, button: Gtk.Button) -> None:
+        self.controller.open_page(NotebookPage.OPTIONS)
+
+    def _make_tree(self, prefs: Union["Xdg", "UserPrefs"]) -> Gtk.TreeView:
+        view = Gtk.TreeView()
+        renderer = Gtk.CellRendererText()
+        for i, col in enumerate(developers.columns):
+            column = Gtk.TreeViewColumn(col, renderer, text=i)
+            column.set_sizing(Gtk.TreeViewColumnSizing.FIXED)
+            view.append_column(column)
+
+        store = Gtk.ListStore(str, str)
+        for field in fields(prefs):
+            if field.name == "paths":
+                break
+            k, v = field.name, getattr(prefs, field.name)
+            store.append((k, str(v)))
+
+        view.set_model(store)
+        return view