Implement urgency hint for workspaces (#1379)

When there are any unfocused windows that request activation, mark the workspace as urgent.

src/Compositor.cpp

@@ -826,6 +826,17 @@ void CCompositor::focusWindow(CWindow* pWindow, wlr_surface* pSurface) {
 
     updateWindowAnimatedDecorationValues(pWindow);
 
+    // Handle urgency hint on the workspace
+    if (pWindow->m_bIsUrgent) {
+        pWindow->m_bIsUrgent = false;
+        if (!hasUrgentWindowOnWorkspace(pWindow->m_iWorkspaceID)) {
+            const auto PWORKSPACE = getWorkspaceByID(pWindow->m_iWorkspaceID);
+            if (PWORKSPACE->m_pWlrHandle) {
+                wlr_ext_workspace_handle_v1_set_urgent(PWORKSPACE->m_pWlrHandle, 0);
+            }
+        }
+    }
+
     // Send an event
     g_pEventManager->postEvent(SHyprIPCEvent{"activewindow", g_pXWaylandManager->getAppIDClass(pWindow) + "," + pWindow->m_szTitle});
 
@@ -1046,6 +1057,15 @@ int CCompositor::getWindowsOnWorkspace(const int& id) {
     return no;
 }
 
+bool CCompositor::hasUrgentWindowOnWorkspace(const int& id) {
+    for (auto& w : m_vWindows) {
+        if (w->m_iWorkspaceID == id && w->m_bIsMapped && w->m_bIsUrgent)
+            return true;
+    }
+
+    return false;
+}
+
 CWindow* CCompositor::getFirstWindowOnWorkspace(const int& id) {
     for (auto& w : m_vWindows) {
         if (w->m_iWorkspaceID == id && w->m_bIsMapped && !w->isHidden())

src/Compositor.hpp

@@ -135,6 +135,7 @@ class CCompositor {
     void           sanityCheckWorkspaces();
     void           updateWorkspaceWindowDecos(const int&);
     int            getWindowsOnWorkspace(const int&);
+    bool           hasUrgentWindowOnWorkspace(const int&);
     CWindow*       getFirstWindowOnWorkspace(const int&);
     CWindow*       getFullscreenWindowOnWorkspace(const int&);
     bool           doesSeatAcceptInput(wlr_surface*);

src/Window.hpp

@@ -157,6 +157,9 @@ class CWindow {
     // For pinned (sticky) windows
     bool m_bPinned = false;
 
+    // urgency hint
+    bool m_bIsUrgent = false;
+
     // fakefullscreen
     bool m_bFakeFullscreenState = false;
 

src/events/Windows.cpp

@@ -803,7 +803,7 @@ void Events::listener_activateXDG(wl_listener* listener, void* data) {
 
     Debug::log(LOG, "Activate request for surface at %x", E->surface);
 
-    if (!*PFOCUSONACTIVATE || !wlr_surface_is_xdg_surface(E->surface))
+    if (!wlr_surface_is_xdg_surface(E->surface))
         return;
 
     const auto PWINDOW = g_pCompositor->getWindowFromSurface(E->surface);
@@ -811,6 +811,16 @@ void Events::listener_activateXDG(wl_listener* listener, void* data) {
     if (!PWINDOW || PWINDOW == g_pCompositor->m_pLastWindow)
         return;
 
+    PWINDOW->m_bIsUrgent = true;
+
+    const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(PWINDOW->m_iWorkspaceID);
+    if (PWORKSPACE->m_pWlrHandle) {
+        wlr_ext_workspace_handle_v1_set_urgent(PWORKSPACE->m_pWlrHandle, 1);
+    }
+
+    if (!*PFOCUSONACTIVATE)
+        return;
+
     if (PWINDOW->m_bIsFloating)
         g_pCompositor->moveWindowToTop(PWINDOW);