commit ede3d39dd5fcb8d88c50437fdeabfd8fcf5c3cbc
Author: Jan-Erik Rediger <janerik@fnordig.de>
Date:   Tue Oct 29 19:27:39 2024 +0100

    import texttools, python version

diff --git a/texttools.py b/texttools.py
new file mode 100755
index 0000000..c784496
--- /dev/null
+++ b/texttools.py
@@ -0,0 +1,85 @@
+#!/usr/bin/env -S uv run python3
+import tkinter as tk
+from tkinter import N, S, E, W, ttk
+import textwrap
+
+
+# Complex transforms go here,
+# Simple transforms are just lambdas
+def _wordcount(s: str):
+    "Returns a tuple of linecount, wordcount, charcount"
+    return (len(s.splitlines()), len(s.split()), len(s))
+
+
+def _markdown_quote(s: str):
+    "Returns every line prefixed with >"
+    return "\n".join(["> " + line for line in s.splitlines()])
+
+transforms = [
+        # Transforms go here, for example
+        {"name": "One line", "transform": lambda x: " ".join(x.splitlines())}
+        ,{"name": "Line/Word/Char", "transform": _wordcount}
+        ,{"name": "Dedent", "transform": textwrap.dedent}
+        ,{"name": "Markdown Quote", "transform": _markdown_quote}
+        ]
+
+class GUI():
+    def __init__(self) -> None:
+        self.root = tk.Tk()
+        self.active_transform = lambda x: x # start with no transform
+        self.layout_gui()
+
+
+    def layout_gui(self) -> None:
+        self.mainframe = ttk.Frame(self.root, padding="3 3 12 12")
+
+        self.root.title("Text Tools")
+        self.mainframe.grid(column=0, row=0, sticky=(N, W, E, S))
+        self.root.columnconfigure(0, weight=1)
+        self.root.rowconfigure(0, weight=1)
+        self.content_box = tk.Text(self.mainframe, undo=True)
+        self.content_box.grid(column=2, row=2)
+
+        self.output_box = tk.Text(self.mainframe, undo=True)
+        self.output_box.grid(column=2, row=3)
+
+        self.transform_box = tk.Listbox(self.mainframe)
+        self.transform_box.grid(column=1, row=2, rowspan=2)
+        for t in transforms:
+            self.transform_box.insert(tk.END, t["name"])
+
+        # Keyboard bindings
+        self.root.bind("<Escape>", lambda _: self.root.quit())
+        self.content_box.bind("<Tab>", lambda _: self.transform_box.focus())
+
+        # vvv makes clicking or pressing enter change the transform
+        self.transform_box.bind("<Button-1>", self.select_transform)
+        self.transform_box.bind("<Return>", self.select_transform)
+
+        # vvv makes anything typed in update the output
+        self.content_box.bind("<Key>",
+                              lambda _: self.root.after(1, self.update))
+
+        self.content_box.focus()
+
+    def update(self):
+        content = self.content_box.get('1.0', tk.END)
+        content = self.active_transform(content)
+        self.output_box.delete('1.0', tk.END)
+        self.output_box.insert('1.0', content)
+
+    def select_transform(self, _):
+        try:
+            selection = self.transform_box.curselection()[0]
+            self.active_transform = transforms[selection]["transform"]
+            self.update()
+        except (ValueError, IndexError):
+            pass
+
+def main(): # Entry point for pyproject.toml
+    gui = GUI()
+    gui.root.mainloop()
+
+if __name__ == "__main__":
+    main()
+