feat: add double click events back (#185)

This was previously removed in #161 in tray-icon@v0.14

closes #173

.changes/double-click.md

@@ -0,0 +1,5 @@
+---
+"tray-icon": "patch"
+---
+
+On Windows, Add and emit `DoubleClick` variant for `TrayIconEvent`.

src/lib.rs

@@ -428,6 +428,19 @@ pub enum TrayIconEvent {
  /// Mouse button state when this event was triggered.
  button_state: MouseButtonState,
  },
+ /// A double click happened on the tray icon. **Windows Only**
+ DoubleClick {
+ /// Id of the tray icon which triggered this event.
+ id: TrayIconId,
+ /// Physical Position of this event.
+ position: dpi::PhysicalPosition<f64>,
+ /// Position and size of the tray icon.
+ rect: Rect,
+ /// Mouse button that triggered this event.
+ button: MouseButton,
+ /// Mouse button state when this event was triggered.
+ button_state: MouseButtonState,
+ },
  /// The mouse entered the tray icon region.
  Enter {
  /// Id of the tray icon which triggered this event.
@@ -515,6 +528,7 @@ impl TrayIconEvent {
  pub fn id(&self) -> &TrayIconId {
  match self {
  TrayIconEvent::Click { id, .. } => id,
+ TrayIconEvent::DoubleClick { id, .. } => id,
  TrayIconEvent::Enter { id, .. } => id,
  TrayIconEvent::Move { id, .. } => id,
  TrayIconEvent::Leave { id, .. } => id,

src/platform_impl/windows/mod.rs

@@ -20,10 +20,11 @@ use windows_sys::{
  CreateWindowExW, DefWindowProcW, DestroyWindow, GetCursorPos, KillTimer,
  RegisterClassW, RegisterWindowMessageA, SendMessageW, SetForegroundWindow,
  SetTimer, TrackPopupMenu, CREATESTRUCTW, CW_USEDEFAULT, GWL_USERDATA, HICON, HMENU,
- TPM_BOTTOMALIGN, TPM_LEFTALIGN, WM_CREATE, WM_DESTROY, WM_LBUTTONDOWN,
- WM_LBUTTONUP, WM_MBUTTONDOWN, WM_MBUTTONUP, WM_MOUSEMOVE, WM_NCCREATE,
- WM_RBUTTONDOWN, WM_RBUTTONUP, WM_TIMER, WNDCLASSW, WS_EX_LAYERED, WS_EX_NOACTIVATE,
- WS_EX_TOOLWINDOW, WS_EX_TRANSPARENT, WS_OVERLAPPED,
+ TPM_BOTTOMALIGN, TPM_LEFTALIGN, WM_CREATE, WM_DESTROY, WM_LBUTTONDBLCLK,
+ WM_LBUTTONDOWN, WM_LBUTTONUP, WM_MBUTTONDBLCLK, WM_MBUTTONDOWN, WM_MBUTTONUP,
+ WM_MOUSEMOVE, WM_NCCREATE, WM_RBUTTONDBLCLK, WM_RBUTTONDOWN, WM_RBUTTONUP,
+ WM_TIMER, WNDCLASSW, WS_EX_LAYERED, WS_EX_NOACTIVATE, WS_EX_TOOLWINDOW,
+ WS_EX_TRANSPARENT, WS_OVERLAPPED,
  },
  },
  },
@@ -332,6 +333,9 @@ unsafe extern "system" fn tray_proc(
  | WM_LBUTTONUP
  | WM_RBUTTONUP
  | WM_MBUTTONUP
+ | WM_LBUTTONDBLCLK
+ | WM_RBUTTONDBLCLK
+ | WM_MBUTTONDBLCLK
  | WM_MOUSEMOVE
  ) =>
  {
@@ -391,7 +395,27 @@ unsafe extern "system" fn tray_proc(
  button: MouseButton::Middle,
  button_state: MouseButtonState::Up,
  },
-
+ WM_LBUTTONDBLCLK => TrayIconEvent::DoubleClick {
+ id,
+ rect,
+ position,
+ button: MouseButton::Left,
+ button_state: MouseButtonState::Up,
+ },
+ WM_RBUTTONDBLCLK => TrayIconEvent::DoubleClick {
+ id,
+ rect,
+ position,
+ button: MouseButton::Right,
+ button_state: MouseButtonState::Up,
+ },
+ WM_MBUTTONDBLCLK => TrayIconEvent::DoubleClick {
+ id,
+ rect,
+ position,
+ button: MouseButton::Middle,
+ button_state: MouseButtonState::Up,
+ },
  WM_MOUSEMOVE if !userdata.entered => {
  userdata.entered = true;
  TrayIconEvent::Enter { id, rect, position }