save,load and load on startup implemented

.gitignore

@@ -170,5 +170,8 @@ basic.py
 banana.py
 potato.py
 
+# persistent storage
+default.bin
+
 # quick test
 quick.py

src/nvda_voicemeeter/builder.py

@@ -63,6 +63,9 @@ class Builder:
                 "&Voicemeeter",
                 [
                     "Restart Audio Engine::MENU",
+                    "Save Settings::MENU",
+                    "Load Settings::MENU",
+                    "Load Settings on Startup ::MENU",
                 ],
             ],
         ]
@@ -209,7 +212,7 @@ class Builder:
                 [
                     psg.ButtonMenu(
                         "ASIO BUFFER",
-                        size=(12, 2),
+                        size=(14, 2),
                         menu_def=["", samples],
                         key="ASIO BUFFER",
                     )
@@ -271,7 +274,7 @@ class Builder:
         """tab3 row represents bus composite toggle"""
 
         def add_strip_outputs(layout):
-            layout.append([psg.Button(f"BUSMODE", size=(16, 2), key=f"BUS {i}||MODE")])
+            layout.append([psg.Button(f"BUSMODE", size=(12, 2), key=f"BUS {i}||MODE")])
 
         buses = list()
         [step(buses) for step in (add_strip_outputs,)]

src/nvda_voicemeeter/window.py

@@ -1,4 +1,6 @@
 import logging
+import pickle
+from pathlib import Path
 
 import PySimpleGUI as psg
 
@@ -22,6 +24,8 @@ psg.theme("Dark Blue 3")
 class NVDAVMWindow(psg.Window):
     """Represents the main window of the Voicemeeter NVDA application"""
 
+    DEFAULT_BIN = "default.bin"
+
     def __init__(self, title, vm):
         self.vm = vm
         self.kind = self.vm.kind
@@ -41,6 +45,21 @@ class NVDAVMWindow(psg.Window):
         self.register_events()
 
     def __enter__(self):
+        default_config = Path.cwd() / self.DEFAULT_BIN
+        if default_config.exists():
+            try:
+                with open(default_config, "rb") as f:
+                    if config := pickle.load(f):
+                        self.vm.set("command.load", config)
+                        self.logger.debug(f"config {config} loaded")
+                        self.TKroot.after(
+                            200,
+                            self.nvda.speak,
+                            f"config {Path(config).stem} has been loaded",
+                        )
+            except EOFError:
+                self.logger.debug("no data in default bin. silently continuing...")
+
         return self
 
     def __exit__(self, exc_type, exc_value, traceback):
@@ -129,8 +148,46 @@ class NVDAVMWindow(psg.Window):
                     self.TKroot.after(
                         200,
                         self.nvda.speak,
-                        f"Audio Engine restarted",
+                        "Audio Engine restarted",
                     )
+                case [["Save", "Settings"], ["MENU"]]:
+                    filename = psg.popup_get_text("Filename", title="Save As")
+                    if filename:
+                        configpath = Path.home() / "Documents" / "Voicemeeter" / f"{filename.removesuffix('xml')}.xml"
+                        self.vm.set("command.save", str(configpath))
+                        self.logger.debug(f"saving config file to {configpath}")
+                        self.TKroot.after(
+                            200,
+                            self.nvda.speak,
+                            f"config file {filename} has been saved",
+                        )
+                case [["Load", "Settings"], ["MENU"]]:
+                    configpath = Path.home() / "Documents" / "Voicemeeter"
+                    filename = psg.popup_get_file("Load Settings", default_path=str(configpath))
+                    if filename:
+                        configpath = configpath / filename
+                        self.vm.set("command.load", str(configpath))
+                        self.logger.debug(f"loading config file from {configpath}")
+                        self.TKroot.after(
+                            200,
+                            self.nvda.speak,
+                            f"config file {Path(filename).stem} has been loaded",
+                        )
+                case [["Load", "Settings", "on", "Startup"], ["MENU"]]:
+                    filename = psg.popup_get_text("Filename", title="Load on startup")
+                    if filename:
+                        configpath = Path.home() / "Documents" / "Voicemeeter" / f"{filename.removesuffix('xml')}.xml"
+                        with open(self.DEFAULT_BIN, "wb") as f:
+                            pickle.dump(str(configpath), f)
+                        self.TKroot.after(
+                            200,
+                            self.nvda.speak,
+                            f"config {filename} set as default on startup",
+                        )
+                    else:
+                        with open(self.DEFAULT_BIN, "wb") as f:
+                            f.truncate()
+                        self.logger.debug("default bin was truncated")
 
                 # Tabs
                 case [["tabs"], ["FOCUS", "IN"]]: