Alacritty

config/lemonbar/barng.py

@@ -0,0 +1,94 @@
+#!/usr/bin/env python3
+
+import typing
+import subprocess
+import time
+
+# CORE
+
+
+class Notifier:
+    pass
+
+
+class Section:
+    def __init__(self) -> None:
+        self.text = b"(Loading)"
+
+
+class Module:
+    def __init__(self) -> None:
+        self.bar: "Bar"
+        self.section = Section()
+        self.sections = [self.section]
+
+
+class Alignment:
+    def __init__(self, *modules: Module) -> None:
+        self.bar: "Bar"
+        self.modules = modules
+        for module in modules:
+            module.bar = self.bar
+
+
+class Screen:
+    def __init__(self, left: Alignment = Alignment(), right: Alignment = Alignment()) -> None:
+        self.bar: "Bar"
+        self.left = left
+        self.left.bar = self.bar
+        self.right = right or Alignment()
+        self.right.bar = self.bar
+
+
+class Bar:
+    def __init__(self, *screens: Screen) -> None:
+        self.screens = screens
+        for screen in screens:
+            screen.bar = self
+        self.process = subprocess.Popen(["lemonbar"], stdin=subprocess.PIPE)
+
+    def display(self) -> None:
+        string = b""
+        for s, screen in enumerate(self.screens):
+            string += b"%%{S%d}" % s
+            for control, alignment in [(b'%{l}', screen.left), (b'%{r}', screen.right)]:
+                string += control
+                for module in alignment.modules:
+                    for section in module.sections:
+                        string += b"<%b> |" % section.text
+
+        string += b"\n"
+        print(string)
+        assert self.process.stdin
+        self.process.stdin.write(string)
+        self.process.stdin.flush()
+
+    def run(self) -> None:
+        while True:
+            self.display()
+            time.sleep(1)
+
+
+# REUSABLE
+
+class ClockNotifier(Notifier):
+    def run(self) -> None:
+        while True:
+    def __init__(self, text: bytes):
+        super().__init__()
+        self.section.text = text
+
+class StaticModule(Module):
+    def __init__(self, text: bytes):
+        super().__init__()
+        self.section.text = text
+
+
+# USER
+
+if __name__ == "__main__":
+    bar = Bar(
+        Screen(Alignment(StaticModule(b"A"))),
+        Screen(Alignment(StaticModule(b"B"))),
+    )
+    bar.run()