Initial Version of Desktop Icon Hider.

src/state.rs

@@ -0,0 +1,20 @@
+use std::sync::atomic::AtomicBool;
+use windows::Win32::UI::WindowsAndMessaging::WM_APP;
+
+/// When true, double-click monitoring is temporarily disabled (tray menu toggle).
+pub static PAUSED: AtomicBool = AtomicBool::new(false);
+
+/// Posted from the mouse-hook callback to the main thread's message loop when a
+/// candidate double-click is detected. WPARAM = screen x, LPARAM = screen y.
+/// Kept out of the hook callback itself so the hook stays cheap.
+pub const WM_APP_CANDIDATE_DBLCLICK: u32 = WM_APP + 1;
+
+/// Posted from the (Send + Sync-bound) menu event handler when the pause state
+/// changes, so the main loop — which owns the actual (non-Send) MenuItem — can update
+/// its label without needing to move the item into that handler.
+pub const WM_APP_PAUSE_TOGGLED: u32 = WM_APP + 2;
+
+/// Posted from the menu event handler after an autostart registry write, carrying the
+/// actual resulting enabled state in wParam. muda already flips the native checkmark
+/// itself on click, so the main loop only needs to correct it if the write failed.
+pub const WM_APP_AUTOSTART_TOGGLED: u32 = WM_APP + 3;