From fdb3f610e564c644ab0fc7fd154562258350084a Mon Sep 17 00:00:00 2001
From: vaxerski <43317083+vaxerski@users.noreply.github.com>
Date: Sun, 29 May 2022 11:24:42 +0200
Subject: [PATCH] Added wlr_foreign_toplevel_v1

---
 src/Compositor.cpp               |  8 ++++++++
 src/Compositor.hpp               |  1 +
 src/Window.hpp                   |  3 +++
 src/events/Windows.cpp           | 12 ++++++++++++
 src/includes.hpp                 |  1 +
 src/managers/XWaylandManager.cpp |  3 +++
 6 files changed, 28 insertions(+)

diff --git a/src/Compositor.cpp b/src/Compositor.cpp
index eb2c9f92..49844286 100644
--- a/src/Compositor.cpp
+++ b/src/Compositor.cpp
@@ -102,6 +102,8 @@ CCompositor::CCompositor() {
     m_sWLRVKeyboardMgr = wlr_virtual_keyboard_manager_v1_create(m_sWLDisplay);
 
     m_sWLRVirtPtrMgr = wlr_virtual_pointer_manager_v1_create(m_sWLDisplay);
+
+    m_sWLRToplevelMgr = wlr_foreign_toplevel_manager_v1_create(m_sWLDisplay);
 }
 
 CCompositor::~CCompositor() {
@@ -442,6 +444,9 @@ void CCompositor::focusWindow(CWindow* pWindow, wlr_surface* pSurface) {
             wlr_seat_keyboard_notify_clear_focus(m_sSeat.seat);
             wlr_seat_pointer_clear_focus(m_sSeat.seat);
         }
+
+        if (PLASTWINDOW->m_phForeignToplevel)
+            wlr_foreign_toplevel_handle_v1_set_activated(PLASTWINDOW->m_phForeignToplevel, false);
     }
 
     m_pLastWindow = PLASTWINDOW;
@@ -460,6 +465,9 @@ void CCompositor::focusWindow(CWindow* pWindow, wlr_surface* pSurface) {
 
     // Send an event
     g_pEventManager->postEvent(SHyprIPCEvent("activewindow", g_pXWaylandManager->getAppIDClass(pWindow) + "," + pWindow->m_szTitle));
+
+    if (pWindow->m_phForeignToplevel)
+        wlr_foreign_toplevel_handle_v1_set_activated(pWindow->m_phForeignToplevel, true);
 }
 
 void CCompositor::focusSurface(wlr_surface* pSurface, CWindow* pWindowOwner) {
diff --git a/src/Compositor.hpp b/src/Compositor.hpp
index 5a3f55c4..870819fb 100644
--- a/src/Compositor.hpp
+++ b/src/Compositor.hpp
@@ -58,6 +58,7 @@ public:
     wlr_server_decoration_manager*   m_sWLRServerDecoMgr;
     wlr_xdg_decoration_manager_v1*   m_sWLRXDGDecoMgr;
     wlr_virtual_pointer_manager_v1*  m_sWLRVirtPtrMgr;
+    wlr_foreign_toplevel_manager_v1* m_sWLRToplevelMgr;
     // ------------------------------------------------- //
 
 
diff --git a/src/Window.hpp b/src/Window.hpp
index 8977c7ff..e7861237 100644
--- a/src/Window.hpp
+++ b/src/Window.hpp
@@ -90,6 +90,9 @@ public:
     // For hidden windows and stuff
     bool            m_bHidden = false;
 
+    // Foreign Toplevel proto
+    wlr_foreign_toplevel_handle_v1* m_phForeignToplevel = nullptr;
+
     // Window decorations
     std::deque<std::unique_ptr<IHyprWindowDecoration>> m_dWindowDecorations;
 
diff --git a/src/events/Windows.cpp b/src/events/Windows.cpp
index 377b3d78..9c74572a 100644
--- a/src/events/Windows.cpp
+++ b/src/events/Windows.cpp
@@ -35,6 +35,11 @@ void Events::listener_mapWindow(void* owner, void* data) {
     PWINDOW->m_szTitle = g_pXWaylandManager->getTitle(PWINDOW);
     PWINDOW->m_fAlpha = 255.f;
 
+    // Foreign Toplevel
+    PWINDOW->m_phForeignToplevel = wlr_foreign_toplevel_handle_v1_create(g_pCompositor->m_sWLRToplevelMgr);
+    // TODO: handle foreign events (requests)
+    wlr_foreign_toplevel_handle_v1_set_app_id(PWINDOW->m_phForeignToplevel, g_pXWaylandManager->getAppIDClass(PWINDOW).c_str());
+
     // checks if the window wants borders and sets the appriopriate flag
     g_pXWaylandManager->checkBorders(PWINDOW);
 
@@ -256,6 +261,10 @@ void Events::listener_unmapWindow(void* owner, void* data) {
     PWINDOW->m_vOriginalClosedSize = PWINDOW->m_vRealSize.vec();
     PWINDOW->m_vRealPosition = PWINDOW->m_vRealPosition.vec() + Vector2D(0.01f, 0.01f);  // it has to be animated, otherwise onWindowPostCreateClose will ignore it
     g_pAnimationManager->onWindowPostCreateClose(PWINDOW, true);
+
+    // Destroy Foreign Toplevel
+    wlr_foreign_toplevel_handle_v1_destroy(PWINDOW->m_phForeignToplevel);
+    PWINDOW->m_phForeignToplevel = nullptr;
 }
 
 void Events::listener_commitWindow(void* owner, void* data) {
@@ -303,6 +312,9 @@ void Events::listener_setTitleWindow(void* owner, void* data) {
     if (PWINDOW == g_pCompositor->m_pLastWindow) // if it's the active, let's post an event to update others
         g_pEventManager->postEvent(SHyprIPCEvent("activewindow", g_pXWaylandManager->getAppIDClass(PWINDOW) + "," + PWINDOW->m_szTitle));
 
+    if (PWINDOW->m_phForeignToplevel)
+        wlr_foreign_toplevel_handle_v1_set_title(PWINDOW->m_phForeignToplevel, PWINDOW->m_szTitle.c_str());
+
     Debug::log(LOG, "Window %x set title to %s", PWINDOW, PWINDOW->m_szTitle.c_str());
 }
 
diff --git a/src/includes.hpp b/src/includes.hpp
index abe90bfa..65f2d0f4 100644
--- a/src/includes.hpp
+++ b/src/includes.hpp
@@ -73,6 +73,7 @@ extern "C" {
 #include <wlr/types/wlr_input_inhibitor.h>
 #include <wlr/types/wlr_keyboard_shortcuts_inhibit_v1.h>
 #include <wlr/types/wlr_virtual_pointer_v1.h>
+#include <wlr/types/wlr_foreign_toplevel_management_v1.h>
 #include <wlr/util/log.h>
 #include <wlr/xwayland.h>
 #include <wlr/util/region.h>
diff --git a/src/managers/XWaylandManager.cpp b/src/managers/XWaylandManager.cpp
index 9c402419..1a2c329b 100644
--- a/src/managers/XWaylandManager.cpp
+++ b/src/managers/XWaylandManager.cpp
@@ -222,5 +222,8 @@ void CHyprXWaylandManager::setWindowFullscreen(CWindow* pWindow, bool fullscreen
         wlr_xdg_toplevel_set_fullscreen(pWindow->m_uSurface.xdg->toplevel, fullscreen);
     }
 
+    if (pWindow->m_phForeignToplevel)
+        wlr_foreign_toplevel_handle_v1_set_fullscreen(pWindow->m_phForeignToplevel, fullscreen);
+
     g_pEventManager->postEvent(SHyprIPCEvent("fullscreen", std::to_string((int)fullscreen)));
 }
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