Initialization of NomadNet project

2026-07-06 18:15:15 +02:00
commit 4730f0ee0a
71 changed files with 26395 additions and 0 deletions
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+#! /usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+
+import urwid
+
+
+class SelectableRow(urwid.WidgetWrap):
+    """Wraps 'urwid.Columns' to make it selectable.
+    This class has been slightly modified, but essentially corresponds to this class posted on stackoverflow.com:
+    https://stackoverflow.com/questions/52106244/how-do-you-combine-multiple-tui-forms-to-write-more-complex-applications#answer-52174629"""
+
+    def __init__(self, contents, *, align="left", on_select=None, space_between=2):
+        # A list-like object, where each element represents the value of a column.
+        self.contents = contents
+        
+        self._columns = urwid.Columns([urwid.Text(c, align=align) for c in contents],
+                                       dividechars=space_between)
+        
+        # Wrap 'urwid.Columns'.
+        super().__init__(self._columns)
+        
+        # A hook which defines the behavior that is executed when a specified key is pressed.
+        self.on_select = on_select
+    
+    def __repr__(self):
+        return "{}(contents='{}')".format(self.__class__.__name__,
+                                          self.contents)
+    
+    def selectable(self):
+        return True
+    
+    def keypress(self, size, key):
+        if (key == "enter") and (self.on_select is not None):
+            self.on_select(self)
+            key = None
+            
+        return key
+    
+    def set_contents(self, contents):
+        # Update the list record inplace...
+        self.contents[:] = contents
+        
+        # ... and update the displayed items.
+        for t, (w, _) in zip(contents, self._columns.contents):
+            w.set_text(t)
+