GUI: Disable Pulse() work-around on PSP 1.1.2 and newer

CHANGELOG.md

@@ -26,6 +26,8 @@
     - Applicable to systems with 2 (or more) USB Installers with the same name plugged in
   - Resolve payloads path being mis-routed during CLI calls
   - Add UI when fetching root patches for host
+  - Remove progress bar work-around for non-Metal in Monterey and later
+    - Requires host to have been patched with PatcherSupportPkg 1.1.2 or newer
 - Increment Binaries:
   - PatcherSupportPkg 1.1.2 - release
 

resources/wx_gui/gui_support.py

@@ -3,10 +3,13 @@ import os
 import sys
 import time
 import logging
+import plistlib
 import threading
 import subprocess
 import applescript
 
+import packaging.version
+
 from pathlib import Path
 
 from resources.wx_gui import gui_about
@@ -52,6 +55,8 @@ class GaugePulseCallback:
     """
     Uses an alternative Pulse() method for wx.Gauge() on macOS Monterey+ with non-Metal GPUs
     Dirty hack, however better to display some form of animation than none at all
+
+    Note: This work-around is no longer needed on hosts using PatcherSupportPkg 1.1.2 or newer
     """
 
     def __init__(self, global_constants: constants.Constants, gauge: wx.Gauge) -> None:
@@ -65,8 +70,10 @@ class GaugePulseCallback:
 
         self.max_value: int = gauge.GetRange()
 
-        # self.non_metal_alternative: bool = CheckProperties(global_constants).host_is_non_metal()
+        self.non_metal_alternative: bool = CheckProperties(global_constants).host_is_non_metal()
-        self.non_metal_alternative: bool = False
+        if self.non_metal_alternative is True:
+            if CheckProperties(global_constants).host_psp_version() >= packaging.version.Version("1.1.2"):
+                self.non_metal_alternative = False
 
 
     def start_pulse(self) -> None:
@@ -140,6 +147,7 @@ class CheckProperties:
 
         return True
 
+
     def host_has_cpu_gen(self, gen: int) -> bool:
         """
         Check if host has a CPU generation equal to or greater than the specified generation
@@ -151,6 +159,24 @@ class CheckProperties:
         return False
 
 
+    def host_psp_version(self) -> packaging.version.Version:
+        """
+        Grab PatcherSupportPkg version from OpenCore-Legacy-Patcher.plist
+        """
+        oclp_plist_path = "/System/Library/CoreServices/OpenCore-Legacy-Patcher.plist"
+        if not Path(oclp_plist_path).exists():
+            return packaging.version.Version("0.0.0")
+
+        oclp_plist = plistlib.load(open(oclp_plist_path, "rb"))
+        if "PatcherSupportPkg" not in oclp_plist:
+            return packaging.version.Version("0.0.0")
+
+        if oclp_plist["PatcherSupportPkg"].startswith("v"):
+            oclp_plist["PatcherSupportPkg"] = oclp_plist["PatcherSupportPkg"][1:]
+
+        return packaging.version.parse(oclp_plist["PatcherSupportPkg"])
+
+
 class PayloadMount:
 
     def __init__(self, global_constants: constants.Constants, frame: wx.Frame) -> None: