add tkinter GUI, courtesy of Potter360

g35pe2_ml_patch.py

@@ -1,6 +1,7 @@
 #! /usr/bin/env python3
 
 import sys
+import os
 
 def align(start, end, alignment):
     """Align (<start>, <end>) on multiples of <alignment>."""
@@ -211,7 +212,7 @@ ALL_TRANSFORMS = [
     ML_get_contrast,
 ]
 
-def main(g1a_input, g1a_output):
+def patch_addin(g1a_input, g1a_output):
     with open(g1a_input, "rb") as fp:
         data = bytearray(fp.read())
 
@@ -330,8 +331,93 @@ def main(g1a_input, g1a_output):
         print("Success!")
         return 0
 
+#---
+
+import tkinter as tk
+import tkinter.filedialog
+import tkinter.ttk as ttk
+import contextlib
+import io
+
+def tkinter_gui():
+    window = tk.Tk()
+    window.title("CASIO Graph 35+E II/G-III MonochromeLib patch")
+    window.minsize(480, 320)
+
+    style = ttk.Style()
+    style.theme_use("clam")
+    style.configure("SUCCESS.TLabel", foreground="green")
+    style.configure("FAILURE.TLabel", foreground="red")
+
+    frame = ttk.LabelFrame(window, text="Patch add-in")
+    frame.pack(fill="both", expand=0, padx=6, pady=3)
+
+    def select():
+        path = tk.filedialog.askopenfilename(
+            parent=window,
+            title="Select an add-in file",
+            filetypes=[("CASIO add-in file", ".g1a"), ("All files", "*")])
+        if path == "" or path == ():
+            inputname["text"] = "<Not selected>"
+            outputname["text"] = "<Not selected>"
+            filepatch["state"] = "disabled"
+        else:
+            inputname["text"] = path
+            outputname["text"] = "-E2".join(os.path.splitext(path))
+            filepatch["state"] = "normal"
+        resultstr["text"] = ""
+
+    def patch():
+        with contextlib.redirect_stdout(io.StringIO()) as fp:
+            rc = patch_addin(inputname["text"], outputname["text"])
+        if rc == 0:
+            resultstr.config(text="Success!", style="SUCCESS.TLabel")
+        else:
+            resultstr.config(text="Failed!", style="FAILURE.TLabel")
+        log.delete("1.0", "end")
+        log.insert("end", fp.getvalue())
+
+    buttonbox = ttk.Frame(frame)
+    fileselect = ttk.Button(buttonbox, text="Select add-in file...",
+        command=select)
+    fileselect.grid(row=0, column=0, padx=6, pady=3)
+    filepatch = ttk.Button(buttonbox, text="Patch add-in", state="disabled",
+        command=patch)
+    filepatch.grid(row=0, column=1, padx=6, pady=3)
+    buttonbox.pack(fill="x")
+
+    namebox = ttk.Frame(frame)
+    ttk.Label(namebox, text="Input file:").grid(row=0, column=0, sticky="w")
+    inputname = ttk.Label(namebox, text="<Not selected>")
+    inputname.grid(row=0, column=1, sticky="w", padx=16)
+    ttk.Label(namebox, text="Output file:").grid(row=1, column=0, sticky="w")
+    outputname = ttk.Label(namebox, text="<Not selected>")
+    outputname.grid(row=1, column=1, sticky="w", padx=16)
+    ttk.Label(namebox, text="Result:").grid(row=2, column=0, sticky="w")
+    resultstr = ttk.Label(namebox, text="", font=("TkDefaultFont", 9, "bold"))
+    resultstr.grid(row=2, column=1, sticky="w", padx=16)
+    namebox.pack(fill="x", padx=8)
+
+    logframe = ttk.LabelFrame(window, text="Log")
+    logframe.pack(fill="both", expand=1, padx=6, pady=3)
+
+    log_scrollbar = ttk.Scrollbar(logframe)
+    log_scrollbar.pack(fill="y", side=tk.RIGHT)
+    log = tk.Text(logframe, font="TkFixedFont", yscrollcommand=log_scrollbar.set)
+    log.pack(fill="both", expand=True, side=tk.LEFT) # padx=6, pady=3)
+    log_scrollbar.config(command=log.yview)
+
+    quit = ttk.Button(window, text="Quit", command=window.destroy)
+    quit.pack(side=tk.RIGHT, padx=6, pady=6)
+
+    window.mainloop()
+
+#---
+
 if __name__ == "__main__":
+    if len(sys.argv) == 1:
+        sys.exit(tkinter_gui())
     if len(sys.argv) != 3 or "-h" in sys.argv[1:] or "--help" in sys.argv[1:]:
         print(f"usage: {sys.argv[0]} <input g1a> <output g1a>",file=sys.stderr)
         sys.exit(0)
-    sys.exit(main(sys.argv[1], sys.argv[2]))
+    sys.exit(patch_addin(sys.argv[1], sys.argv[2]))