Settings Window (#124)

* Initial commit for settings window

* More WIP for the Settings panel

* Added Local Files section to Settings

* More WIP on Settings

* Add ability to ignore system builds

* Improvements to Launch and Delete buttons

* Fix issue where icons were not loading

* Network password settings WIP

* Update label

* Import and naming fixes

* Speed improvements to launch

* Update requirements.txt

* Update Windows CPU name lookup

* Add missing default values to a few settings

* More settings fixes

* Fix Windows Path issue

* Added hard types for getting settings values

* More UI cleanup

* Correctly refresh Engines list after downloading new engine

* Improve downloader with UI progress

* More download improvements

* Add Settings Button to Toolbar

src/engines/ffmpeg/ffmpeg_downloader.py

@@ -97,7 +97,7 @@ class FFMPEGDownloader(EngineDownloader):
                            'windows': cls.__get_windows_versions}
         if not versions_per_os.get(system_os):
             logger.error(f"Cannot find version list for {system_os}")
-            return
+            return None
 
         results = []
         all_versions = versions_per_os[system_os]()
@@ -144,7 +144,7 @@ class FFMPEGDownloader(EngineDownloader):
         return None
 
     @classmethod
-    def download_engine(cls, version, download_location, system_os=None, cpu=None, timeout=120):
+    def download_engine(cls, version, download_location, system_os=None, cpu=None, timeout=120, progress_callback=None):
         system_os = system_os or current_system_os()
         cpu = cpu or current_system_cpu()
 
@@ -152,7 +152,7 @@ class FFMPEGDownloader(EngineDownloader):
         found_version = [item for item in cls.all_versions(system_os, cpu) if item['version'] == version]
         if not found_version:
             logger.error(f"Cannot find FFMPEG version {version} for {system_os} and {cpu}")
-            return
+            return None
 
         # Platform specific naming cleanup
         remote_url = cls.__get_remote_url_for_version(version=version, system_os=system_os, cpu=cpu)
@@ -162,7 +162,8 @@ class FFMPEGDownloader(EngineDownloader):
         # Download and extract
         try:
             logger.info(f"Requesting download of ffmpeg-{version}-{system_os}-{cpu}")
-            cls.download_and_extract_app(remote_url=remote_url, download_location=download_location, timeout=timeout)
+            cls.download_and_extract_app(remote_url=remote_url, download_location=download_location, timeout=timeout,
+                                         progress_callback=progress_callback)
 
             # naming cleanup to match existing naming convention
             output_path = os.path.join(download_location, f'ffmpeg-{version}-{system_os}-{cpu}')