feat(wm): adds Komorebic taskbar visibility controls

komorebi-core/src/lib.rs

@@ -88,6 +88,8 @@ pub enum SocketMessage {
     EnsureWorkspaces(usize, usize),
     EnsureNamedWorkspaces(usize, Vec<String>),
     NewWorkspace,
+    ToggleTaskbar,
+    Taskbar(bool),
     ToggleTiling,
     Stop,
     TogglePause,

komorebi/src/process_command.rs

@@ -477,6 +477,24 @@ impl WindowManager {
             SocketMessage::MoveWorkspaceToMonitorNumber(monitor_idx) => {
                 self.move_workspace_to_monitor(monitor_idx)?;
             }
+            SocketMessage::ToggleTaskbar => {
+                let (taskbar, startmenu) = WindowsApi::get_taskbar_handles();
+                let is_hidden = WindowsApi::is_taskbar_hidden(taskbar);
+                if is_hidden {
+                    WindowsApi::hide_taskbar((taskbar, startmenu), true);
+                } else {
+                    WindowsApi::hide_taskbar((taskbar, startmenu), false);
+                }
+            }
+            SocketMessage::Taskbar(show) => {
+                let (taskbar, startmenu) = WindowsApi::get_taskbar_handles();
+                if show {
+                    WindowsApi::hide_taskbar((taskbar, startmenu), false);
+                } else {
+                    WindowsApi::hide_taskbar((taskbar, startmenu), true);
+                }
+            }
+
             SocketMessage::TogglePause => {
                 if self.is_paused {
                     tracing::info!("resuming");
@@ -717,6 +735,7 @@ impl WindowManager {
                     "received stop command, restoring all hidden windows and terminating process"
                 );
                 self.restore_all_windows()?;
+                WindowsApi::hide_taskbar(WindowsApi::get_taskbar_handles(), false);
 
                 if WindowsApi::focus_follows_mouse()? {
                     WindowsApi::disable_focus_follows_mouse()?;

komorebi/src/windows_api.rs

@@ -7,7 +7,9 @@ use color_eyre::eyre::anyhow;
 use color_eyre::eyre::Error;
 use color_eyre::Result;
 use widestring::U16CStr;
+use windows::core::s;
 use windows::core::Result as WindowsCrateResult;
+use windows::core::PCSTR;
 use windows::core::PCWSTR;
 use windows::core::PWSTR;
 use windows::Win32::Foundation::CloseHandle;
@@ -74,6 +76,8 @@ use windows::Win32::UI::WindowsAndMessaging::AllowSetForegroundWindow;
 use windows::Win32::UI::WindowsAndMessaging::BringWindowToTop;
 use windows::Win32::UI::WindowsAndMessaging::CreateWindowExW;
 use windows::Win32::UI::WindowsAndMessaging::EnumWindows;
+use windows::Win32::UI::WindowsAndMessaging::FindWindowA;
+use windows::Win32::UI::WindowsAndMessaging::FindWindowExA;
 use windows::Win32::UI::WindowsAndMessaging::GetCursorPos;
 use windows::Win32::UI::WindowsAndMessaging::GetDesktopWindow;
 use windows::Win32::UI::WindowsAndMessaging::GetForegroundWindow;
@@ -119,6 +123,7 @@ use windows::Win32::UI::WindowsAndMessaging::SW_HIDE;
 use windows::Win32::UI::WindowsAndMessaging::SW_MAXIMIZE;
 use windows::Win32::UI::WindowsAndMessaging::SW_MINIMIZE;
 use windows::Win32::UI::WindowsAndMessaging::SW_NORMAL;
+use windows::Win32::UI::WindowsAndMessaging::SW_SHOW;
 use windows::Win32::UI::WindowsAndMessaging::SW_SHOWNOACTIVATE;
 use windows::Win32::UI::WindowsAndMessaging::SYSTEM_PARAMETERS_INFO_ACTION;
 use windows::Win32::UI::WindowsAndMessaging::SYSTEM_PARAMETERS_INFO_UPDATE_FLAGS;
@@ -571,6 +576,29 @@ impl WindowsApi {
         Self::set_cursor_pos(rect.left + (rect.right / 2), rect.top + (rect.bottom / 2))
     }
 
+    pub fn get_taskbar_handles() -> (HWND, HWND) {
+        let taskbar = unsafe { FindWindowA(s!("Shell_TrayWnd"), PCSTR::null()) };
+        let startmenu = unsafe { FindWindowExA(taskbar, HWND { 0: 0 }, s!("Button"), s!("Start")) };
+        (HWND(taskbar.0), HWND(startmenu.0))
+    }
+
+    pub fn is_taskbar_hidden(taskbar_hwnd: HWND) -> bool {
+        unsafe { IsWindowVisible(taskbar_hwnd) }.as_bool()
+    }
+
+    pub fn hide_taskbar(taskbar_hwnds: (HWND, HWND), hide: bool) {
+        unsafe {
+            if hide {
+                // 0 hides the taskbar and 5 enables visibility
+                ShowWindow(taskbar_hwnds.0, SW_HIDE);
+                ShowWindow(taskbar_hwnds.1, SW_HIDE);
+            } else {
+                ShowWindow(taskbar_hwnds.0, SW_SHOW);
+                ShowWindow(taskbar_hwnds.1, SW_SHOW);
+            }
+        }
+    }
+
     pub fn window_thread_process_id(hwnd: HWND) -> (u32, u32) {
         let mut process_id: u32 = 0;
 

komorebic/src/main.rs

@@ -167,6 +167,7 @@ gen_enum_subcommand_args! {
     CycleLayout: CycleDirection,
     WatchConfiguration: BooleanState,
     MouseFollowsFocus: BooleanState,
+    Taskbar: BooleanState,
     Query: StateQuery,
     WindowHidingBehaviour: HidingBehaviour,
     CrossMonitorMoveBehaviour: MoveBehaviour,
@@ -1052,6 +1053,11 @@ enum SubCommand {
     /// Set the workspace name for the specified workspace
     #[clap(arg_required_else_help = true)]
     WorkspaceName(WorkspaceName),
+    /// Toggles tasbar visibility
+    ToggleTaskbar,
+    /// shows tasbar
+    #[clap(arg_required_else_help = true)]
+    Taskbar(Taskbar),
     /// Toggle the behaviour for new windows (stacking or dynamic tiling)
     ToggleWindowContainerBehaviour,
     /// Toggle window tiling on the focused workspace
@@ -1993,6 +1999,12 @@ Stop-Process -Name:whkd -ErrorAction SilentlyContinue
                     .as_bytes()?,
             )?;
         }
+        SubCommand::ToggleTaskbar => {
+            send_message(&SocketMessage::ToggleTaskbar.as_bytes()?)?;
+        }
+        SubCommand::Taskbar(arg) => {
+            send_message(&SocketMessage::Taskbar(arg.boolean_state.into()).as_bytes()?)?;
+        }
         SubCommand::MonitorIndexPreference(arg) => {
             send_message(
                 &SocketMessage::MonitorIndexPreference(