Clean up tray icon on windows when exiting

native/libwinbridge/bridge.cpp

@@ -57,6 +57,7 @@ HWND nw = NULL;
 HWND hwnd_st_u = NULL;
 HBITMAP g_espanso_bmp = NULL;
 HICON g_espanso_ico = NULL;
+NOTIFYICONDATA nid = {};
 
 // Callbacks
 
@@ -376,7 +377,6 @@ int32_t initialize(void * self, wchar_t * ico_path, wchar_t * bmp_path) {
             SendMessage(nw, WM_SETICON, ICON_SMALL, (LPARAM)g_espanso_ico);
 
             //Notification
-            NOTIFYICONDATA nid = {};
             nid.cbSize = sizeof(nid);
             nid.hWnd = nw;
             nid.uID = 1;
@@ -558,6 +558,12 @@ int32_t show_context_menu(MenuItem * items, int32_t count) {
     return -1;
 }
 
+void cleanup_ui() {
+    Shell_NotifyIcon(NIM_DELETE, &nid);
+}
+
+// SYSTEM
+
 int32_t start_daemon_process() {
     wchar_t cmd[MAX_PATH];
     swprintf(cmd, MAX_PATH, L"espanso.exe daemon");
@@ -586,6 +592,8 @@ int32_t start_daemon_process() {
     return 1;
 }
 
+// CLIPBOARD
+
 int32_t set_clipboard(wchar_t *text) {
     const size_t len = wcslen(text) + 1;
     HGLOBAL hMem =  GlobalAlloc(GMEM_MOVEABLE, len * sizeof(wchar_t));

native/libwinbridge/bridge.h

@@ -112,6 +112,11 @@ typedef void (*ContextMenuClickCallback)(void * self, int32_t id);
 extern ContextMenuClickCallback context_menu_click_callback;
 extern "C" void register_context_menu_click_callback(ContextMenuClickCallback callback);
 
+/*
+ * Hide the tray icon
+ */
+extern "C" void cleanup_ui();
+
 // NOTIFICATION
 
 /*

src/bridge/windows.rs

@@ -42,6 +42,7 @@ extern {
     pub fn show_context_menu(items: *const WindowsMenuItem, count: i32) -> i32;
     pub fn register_icon_click_callback(cb: extern fn(_self: *mut c_void));
     pub fn register_context_menu_click_callback(cb: extern fn(_self: *mut c_void, id: i32));
+    pub fn cleanup_ui();
 
     // CLIPBOARD
     pub fn get_clipboard(buffer: *mut u16, size: i32) -> i32;

src/engine.rs

@@ -195,6 +195,7 @@ impl <'a, S: KeyboardManager, C: ClipboardManager,
             },
             ActionType::Exit => {
                 info!("Terminating espanso.");
+                self.ui_manager.cleanup();
                 exit(0);
             },
             _ => {}

src/ui/linux.rs

@@ -37,6 +37,10 @@ impl super::UIManager for LinuxUIManager {
     fn show_menu(&self, _menu: Vec<MenuItem>) {
         // Not implemented on linux
     }
+
+    fn cleanup(&self) {
+        // Nothing to do here
+    }
 }
 
 impl LinuxUIManager {

src/ui/macos.rs

@@ -76,6 +76,10 @@ impl super::UIManager for MacUIManager {
 
         unsafe { show_context_menu(raw_menu.as_ptr(), raw_menu.len() as i32); }
     }
+
+    fn cleanup(&self) {
+        // Nothing to do here
+    }
 }
 
 impl MacUIManager {

src/ui/mod.rs

@@ -29,6 +29,7 @@ mod macos;
 pub trait UIManager {
     fn notify(&self, message: &str);
     fn show_menu(&self, menu: Vec<MenuItem>);
+    fn cleanup(&self);
 }
 
 pub enum MenuItemType {

src/ui/windows.rs

@@ -17,7 +17,7 @@
  * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-use crate::bridge::windows::{show_notification, close_notification, WindowsMenuItem, show_context_menu};
+use crate::bridge::windows::{show_notification, close_notification, WindowsMenuItem, show_context_menu, cleanup_ui};
 use widestring::U16CString;
 use std::{thread, time};
 use log::{debug};
@@ -90,6 +90,12 @@ impl super::UIManager for WindowsUIManager {
 
         unsafe { show_context_menu(raw_menu.as_ptr(), raw_menu.len() as i32); }
     }
+
+    fn cleanup(&self) {
+        unsafe {
+            cleanup_ui();
+        }
+    }
 }
 
 impl WindowsUIManager {