feat(ui): implement CLayoutFrame::SetProtectFlag

src/ui/CLayoutFrame.cpp

@@ -591,7 +591,7 @@ void CLayoutFrame::OnProtectedAttach(CLayoutFrame* frame) {
         frame->SetProtectFlag(0x400);
     }
 
-    if (this->m_flags & 0x300) {
+    if (this->m_flags & (0x100 | 0x200)) {
         frame->SetProtectFlag(0x200);
     }
 }
@@ -821,7 +821,17 @@ void CLayoutFrame::SetPoint(FRAMEPOINT point, CLayoutFrame* relative, FRAMEPOINT
 }
 
 void CLayoutFrame::SetProtectFlag(uint32_t flag) {
-    // TODO
+    if (this->m_flags & (0x100 | 0x800)) {
+        return;
+    }
+
+    this->m_flags &= ~0x200;
+    this->m_flags |= (flag & 0xF7FF | 0x800);
+
+    // TODO this->PropagateProtectFlagToParent(flag);
+    this->Sub489190(flag);
+
+    this->m_flags &= ~0x800;
 }
 
 void CLayoutFrame::SetWidth(float width) {
@@ -876,6 +886,16 @@ int32_t CLayoutFrame::Sub488E40(const FRAMEPOINT* const pointarray, int32_t elem
     return 1;
 }
 
+void CLayoutFrame::Sub489190(uint32_t flag) {
+    for (int32_t i = 0; i < FRAMEPOINT_NUMPOINTS; i++) {
+        auto point = this->m_points[i];
+
+        if (point && !(point->m_flags & 0x8)) {
+            point->m_relative->SetProtectFlag(flag);
+        }
+    }
+}
+
 float CLayoutFrame::Top() {
     if (this->m_guard.top) {
         return CFramePoint::UNDEFINED;

src/ui/CLayoutFrame.hpp

@@ -86,6 +86,7 @@ class CLayoutFrame {
         void SetProtectFlag(uint32_t flag);
         int32_t Sub488DB0(const FRAMEPOINT* const pointarray, int32_t elements, float& x);
         int32_t Sub488E40(const FRAMEPOINT* const pointarray, int32_t elements, float& y);
+        void Sub489190(uint32_t flag);
         float Top();
         void UnflattenFrame(CLayoutFrame* frame);
         void UnregisterResize(CLayoutFrame* frame, uint32_t dep);