Vincent Lannurien
77be2c188d
A single 306 KB GUI-subsystem binary with no tray icon and no settings window: one hidden popup owns the hotkey, the device-change callbacks and the flyout, and the process sleeps in GetMessageW at 0% CPU in between. Windows exposes no public API for setting the default audio endpoint, so this uses the undocumented IPolicyConfig COM interface, confined to src/policy.rs. Verified working on build 26200. Everything else - enumeration, IMMNotificationClient, RegisterHotKey, the flyout - is documented Win32. The flyout uses the DWM acrylic backdrop and rounded corners the shell uses for its own flyouts, with text drawn via DrawThemeTextEx and DTT_COMPOSITED into a 32-bpp DIB, which is what keeps GDI from leaving black fringes on a composited surface. Console and Multimedia roles move by default; Communications stays put so voice chat keeps its headset. Config is a hand-parsed INI reloaded on the next keypress, keeping the dependency list to the windows crate alone. Built by cross-compiling from a devcontainer with mingw-w64, so nothing is installed on the Windows host and the exe imports only system DLLs. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
45 lines
1.1 KiB
TOML
45 lines
1.1 KiB
TOML
[package]
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name = "audioswitch"
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version = "0.1.0"
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edition = "2021"
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description = "Cycle the Windows default audio output from a global hotkey, with a native OSD flyout"
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license = "MIT"
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[dependencies]
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# The `interface` and `implement` macros expand to `::windows_core::…` paths, so the
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# crate has to be nameable directly. It is the same crate `windows` re-exports, so the
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# COM types are identical.
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windows-core = "0.62"
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[dependencies.windows]
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version = "0.62"
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features = [
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"Win32_Devices_FunctionDiscovery",
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"Win32_Foundation",
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"Win32_Graphics_Dwm",
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"Win32_Graphics_Gdi",
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"Win32_Media_Audio",
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"Win32_Media_Audio_Endpoints",
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"Win32_Security",
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"Win32_System_Com",
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"Win32_System_Com_StructuredStorage",
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"Win32_System_Console",
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"Win32_System_LibraryLoader",
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"Win32_System_Registry",
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"Win32_System_Threading",
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"Win32_Storage_FileSystem",
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"Win32_System_Variant",
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"Win32_UI_Controls",
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"Win32_UI_HiDpi",
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"Win32_UI_Input_KeyboardAndMouse",
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"Win32_UI_Shell_PropertiesSystem",
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"Win32_UI_WindowsAndMessaging",
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]
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[profile.release]
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opt-level = "z"
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lto = true
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codegen-units = 1
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panic = "abort"
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strip = true
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