pygui: updated icon for observers tool on run menu, added observers to run menu and created custom observers widget

daemon/core/gui/observers.py

@@ -0,0 +1,66 @@
+import tkinter as tk
+from functools import partial
+from typing import TYPE_CHECKING
+
+from core.gui.dialogs.observers import ObserverDialog
+
+if TYPE_CHECKING:
+    from core.gui.app import Application
+
+OBSERVERS = {
+    "List Processes": "ps",
+    "Show Interfaces": "ip address",
+    "IPV4 Routes": "ip -4 route",
+    "IPV6 Routes": "ip -6 route",
+    "Listening Sockets": "ss -tuwnl",
+    "IPv4 MFC Entries": "ip -4 mroute show",
+    "IPv6 MFC Entries": "ip -6 mroute show",
+    "Firewall Rules": "iptables -L",
+    "IPSec Policies": "setkey -DP",
+}
+
+
+class ObserversMenu(tk.Menu):
+    def __init__(self, master: tk.BaseWidget, app: "Application") -> None:
+        super().__init__(master)
+        self.app = app
+        self.observer = tk.StringVar(value=tk.NONE)
+        self.custom_index = 0
+        self.draw()
+
+    def draw(self) -> None:
+        self.add_command(label="Edit Observers", command=self.click_edit)
+        self.add_separator()
+        self.add_radiobutton(
+            label="None",
+            variable=self.observer,
+            value="none",
+            command=lambda: self.app.core.set_observer(None),
+        )
+        for name in sorted(OBSERVERS):
+            cmd = OBSERVERS[name]
+            self.add_radiobutton(
+                label=name,
+                variable=self.observer,
+                value=name,
+                command=partial(self.app.core.set_observer, cmd),
+            )
+        self.custom_index = self.index(tk.END) + 1
+        self.draw_custom()
+
+    def draw_custom(self) -> None:
+        current_index = self.index(tk.END) + 1
+        if self.custom_index < current_index:
+            self.delete(self.custom_index, tk.END)
+        for name in sorted(self.app.core.custom_observers):
+            observer = self.app.core.custom_observers[name]
+            self.add_radiobutton(
+                label=name,
+                variable=self.observer,
+                value=name,
+                command=partial(self.app.core.set_observer, observer.cmd),
+            )
+
+    def click_edit(self) -> None:
+        dialog = ObserverDialog(self.app)
+        dialog.show()