socket2: add {,de}populateworkspace events

Author: aytizren

src/desktop/Window.cpp

@@ -437,6 +437,8 @@ void CWindow::moveToWorkspace(PHLWORKSPACE pWorkspace) {
 
     const auto  OLDWORKSPACE = m_workspace;
 
+    bool        previouslyEmpty = !pWorkspace->hasWindow();
+
     if (OLDWORKSPACE->isVisible()) {
         m_movingToWorkspaceAlpha->setValueAndWarp(1.F);
         *m_movingToWorkspaceAlpha = 0.F;
@@ -462,6 +464,16 @@ void CWindow::moveToWorkspace(PHLWORKSPACE pWorkspace) {
         g_pEventManager->postEvent(SHyprIPCEvent{.event = "movewindow", .data = std::format("{:x},{}", rc<uintptr_t>(this), pWorkspace->m_name)});
         g_pEventManager->postEvent(SHyprIPCEvent{.event = "movewindowv2", .data = std::format("{:x},{},{}", rc<uintptr_t>(this), pWorkspace->m_id, pWorkspace->m_name)});
         EMIT_HOOK_EVENT("moveWindow", (std::vector<std::any>{m_self.lock(), pWorkspace}));
+
+        if (!OLDWORKSPACE->hasWindow()) {
+            g_pEventManager->postEvent(SHyprIPCEvent{.event = "depopulateworkspace", .data = std::format("{},{}", OLDWORKSPACE->m_id, OLDWORKSPACE->m_name)});
+            EMIT_HOOK_EVENT("depopulateWorkspace", OLDWORKSPACE);
+        }
+
+        if (previouslyEmpty) {
+            g_pEventManager->postEvent(SHyprIPCEvent{.event = "populateworkspace", .data = std::format("{},{}", pWorkspace->m_id, pWorkspace->m_name)});
+            EMIT_HOOK_EVENT("populateWorkspace", pWorkspace);
+        }
     }
 
     if (const auto SWALLOWED = m_swallowed.lock()) {

src/events/Windows.cpp

@@ -66,7 +66,9 @@ void Events::listener_mapWindow(void* owner, void* data) {
         Desktop::focusState()->rawMonitorFocus(g_pCompositor->getMonitorFromVector({}));
         PMONITOR = Desktop::focusState()->monitor();
     }
-    auto PWORKSPACE          = PMONITOR->m_activeSpecialWorkspace ? PMONITOR->m_activeSpecialWorkspace : PMONITOR->m_activeWorkspace;
+    auto PWORKSPACE               = PMONITOR->m_activeSpecialWorkspace ? PMONITOR->m_activeSpecialWorkspace : PMONITOR->m_activeWorkspace;
+    bool workspacePreviouslyEmpty = !PWORKSPACE->hasWindow();
+
     PWINDOW->m_monitor       = PMONITOR;
     PWINDOW->m_workspace     = PWORKSPACE;
     PWINDOW->m_isMapped      = true;
@@ -370,6 +372,9 @@ void Events::listener_mapWindow(void* owner, void* data) {
     // emit the IPC event before the layout might focus the window to avoid a focus event first
     g_pEventManager->postEvent(SHyprIPCEvent{"openwindow", std::format("{:x},{},{},{}", PWINDOW, PWORKSPACE->m_name, PWINDOW->m_class, PWINDOW->m_title)});
     EMIT_HOOK_EVENT("openWindowEarly", PWINDOW);
+    if (workspacePreviouslyEmpty) {
+        g_pEventManager->postEvent(SHyprIPCEvent{"populateworkspace", std::format("{},{}", PWORKSPACE->m_id, PWORKSPACE->m_name)});
+    }
 
     if (PWINDOW->m_isFloating) {
         g_pLayoutManager->getCurrentLayout()->onWindowCreated(PWINDOW);
@@ -510,6 +515,9 @@ void Events::listener_mapWindow(void* owner, void* data) {
 
     // emit the hook event here after basic stuff has been initialized
     EMIT_HOOK_EVENT("openWindow", PWINDOW);
+    if (workspacePreviouslyEmpty) {
+        EMIT_HOOK_EVENT("populateWorkspace", PWORKSPACE);
+    }
 
     // apply data from default decos. Borders, shadows.
     g_pDecorationPositioner->forceRecalcFor(PWINDOW);
@@ -627,6 +635,11 @@ void Events::listener_unmapWindow(void* owner, void* data) {
     // do this after onWindowRemoved because otherwise it'll think the window is invalid
     PWINDOW->m_isMapped = false;
 
+    if (!PWINDOW->m_workspace->hasWindow()) {
+        g_pEventManager->postEvent(SHyprIPCEvent{"depopulateworkspace", std::format("{},{}", PWINDOW->m_workspace->m_id, PWINDOW->m_workspace->m_name)});
+        EMIT_HOOK_EVENT("depopulateWorkspace", PWINDOW->m_workspace);
+    }
+
     // refocus on a new window if needed
     if (wasLastWindow) {
         static auto FOCUSONCLOSE     = CConfigValue<Hyprlang::INT>("input:focus_on_close");