layout: rethonk layouts from the ground up (#12890)

Rewrites layouts to be much smaller, and deal with much less annoying
BS. Improves the overall architecture, unifies handling of pseudotiling,
and various other improvements.

1 files changed, 18 insertions, 12 deletions

diff --git a/src/desktop/state/FocusState.cpp b/src/desktop/state/FocusState.cpp
index 0712fc10..90524b74 100644
--- a/src/desktop/state/FocusState.cpp
+++ b/src/desktop/state/FocusState.cpp
@@ -3,15 +3,19 @@
 #include "../../Compositor.hpp"
 #include "../../protocols/XDGShell.hpp"
 #include "../../render/Renderer.hpp"
-#include "../../managers/LayoutManager.hpp"
 #include "../../managers/EventManager.hpp"
 #include "../../managers/HookSystemManager.hpp"
+#include "../../managers/input/InputManager.hpp"
+#include "../../managers/SeatManager.hpp"
 #include "../../xwayland/XSurface.hpp"
 #include "../../protocols/PointerConstraints.hpp"
 #include "managers/animation/DesktopAnimationManager.hpp"
+#include "../../layout/LayoutManager.hpp"
 
 using namespace Desktop;
 
+#define COMMA ,
+
 SP<CFocusState> Desktop::focusState() {
     static SP<CFocusState> state = makeShared<CFocusState>();
     return state;
@@ -63,7 +67,7 @@ static SFullscreenWorkspaceFocusResult onFullscreenWorkspaceFocusWindow(PHLWINDO
     return {};
 }
 
-void CFocusState::fullWindowFocus(PHLWINDOW pWindow, SP<CWLSurfaceResource> surface, bool forceFSCycle) {
+void CFocusState::fullWindowFocus(PHLWINDOW pWindow, eFocusReason reason, SP<CWLSurfaceResource> surface, bool forceFSCycle) {
     if (pWindow) {
         if (!pWindow->m_workspace)
             return;
@@ -83,10 +87,10 @@ void CFocusState::fullWindowFocus(PHLWINDOW pWindow, SP<CWLSurfaceResource> surf
         return;
     }
 
-    rawWindowFocus(pWindow, surface);
+    rawWindowFocus(pWindow, reason, surface);
 }
 
-void CFocusState::rawWindowFocus(PHLWINDOW pWindow, SP<CWLSurfaceResource> surface) {
+void CFocusState::rawWindowFocus(PHLWINDOW pWindow, eFocusReason reason, SP<CWLSurfaceResource> surface) {
     static auto PFOLLOWMOUSE        = CConfigValue<Hyprlang::INT>("input:follow_mouse");
     static auto PSPECIALFALLTHROUGH = CConfigValue<Hyprlang::INT>("input:special_fallthrough");
 
@@ -105,7 +109,9 @@ void CFocusState::rawWindowFocus(PHLWINDOW pWindow, SP<CWLSurfaceResource> surfa
     if (pWindow && pWindow->m_isX11 && pWindow->isX11OverrideRedirect() && !pWindow->m_xwaylandSurface->wantsFocus())
         return;
 
-    g_pLayoutManager->getCurrentLayout()->bringWindowToTop(pWindow);
+    // m_target on purpose, this avoids the group
+    if (pWindow)
+        g_layoutManager->bringTargetToTop(pWindow->m_target);
 
     if (!pWindow || !validMapped(pWindow)) {
 
@@ -127,9 +133,7 @@ void CFocusState::rawWindowFocus(PHLWINDOW pWindow, SP<CWLSurfaceResource> surfa
         g_pEventManager->postEvent(SHyprIPCEvent{"activewindow", ","});
         g_pEventManager->postEvent(SHyprIPCEvent{"activewindowv2", ""});
 
-        EMIT_HOOK_EVENT("activeWindow", PHLWINDOW{nullptr});
-
-        g_pLayoutManager->getCurrentLayout()->onWindowFocusChange(nullptr);
+        EMIT_HOOK_EVENT("activeWindow", Desktop::View::SWindowActiveEvent{nullptr COMMA reason});
 
         m_focusSurface.reset();
 
@@ -196,16 +200,14 @@ void CFocusState::rawWindowFocus(PHLWINDOW pWindow, SP<CWLSurfaceResource> surfa
     g_pEventManager->postEvent(SHyprIPCEvent{.event = "activewindow", .data = pWindow->m_class + "," + pWindow->m_title});
     g_pEventManager->postEvent(SHyprIPCEvent{.event = "activewindowv2", .data = std::format("{:x}", rc<uintptr_t>(pWindow.get()))});
 
-    EMIT_HOOK_EVENT("activeWindow", pWindow);
-
-    g_pLayoutManager->getCurrentLayout()->onWindowFocusChange(pWindow);
+    EMIT_HOOK_EVENT("activeWindow", Desktop::View::SWindowActiveEvent{pWindow COMMA reason});
 
     g_pInputManager->recheckIdleInhibitorStatus();
 
     if (*PFOLLOWMOUSE == 0)
         g_pInputManager->sendMotionEventsToFocused();
 
-    if (pWindow->m_groupData.pNextWindow)
+    if (pWindow->m_group)
         pWindow->deactivateGroupMembers();
 }
 
@@ -296,3 +298,7 @@ void CFocusState::resetWindowFocus() {
     m_focusWindow.reset();
     m_focusSurface.reset();
 }
+
+bool Desktop::isHardInputFocusReason(eFocusReason r) {
+    return r == FOCUS_REASON_NEW_WINDOW || r == FOCUS_REASON_KEYBIND || r == FOCUS_REASON_GHOSTS || r == FOCUS_REASON_CLICK || r == FOCUS_REASON_DESKTOP_STATE_CHANGE;
+}