From 3b6a59e7f163b2d2f8a07ae187b392f71b074cc4 Mon Sep 17 00:00:00 2001
From: Yuqian Yang <crupest@crupest.life>
Date: Sun, 14 Dec 2025 20:46:18 +0800
Subject: Use infinite size for 0 size window.

---
 src/ui/controls/ControlHost.cpp          |  8 +++++++-
 src/ui/render/FlexLayoutRenderObject.cpp | 10 ++++++----
 src/ui/render/RenderObject.cpp           |  2 +-
 3 files changed, 14 insertions(+), 6 deletions(-)

(limited to 'src/ui')

diff --git a/src/ui/controls/ControlHost.cpp b/src/ui/controls/ControlHost.cpp
index 290602d4..178e2ca3 100644
--- a/src/ui/controls/ControlHost.cpp
+++ b/src/ui/controls/ControlHost.cpp
@@ -1,5 +1,6 @@
 #include "cru/ui/controls/ControlHost.h"
 
+#include "cru/base/log/Logger.h"
 #include "cru/platform/gui/UiApplication.h"
 #include "cru/platform/gui/Window.h"
 #include "cru/ui/Base.h"
@@ -151,7 +152,11 @@ void ControlHost::Repaint() {
 }
 
 void ControlHost::Relayout() {
-  RelayoutWithSize(native_window_->GetClientSize());
+  auto size = native_window_->GetClientSize();
+  if (size.width == 0.f && size.height == 0.f) {
+    size = Size::Infinite();
+  }
+  RelayoutWithSize(size);
 }
 
 void ControlHost::RelayoutWithSize(const Size& available_size,
@@ -259,6 +264,7 @@ void ControlHost::OnNativePaint1(
 }
 
 void ControlHost::OnNativeResize([[maybe_unused]] const Size& size) {
+  CruLogDebug(kLogTag, "Window resize to {}.", size);
   ScheduleRelayout();
 }
 
diff --git a/src/ui/render/FlexLayoutRenderObject.cpp b/src/ui/render/FlexLayoutRenderObject.cpp
index f4936f15..c85748b8 100644
--- a/src/ui/render/FlexLayoutRenderObject.cpp
+++ b/src/ui/render/FlexLayoutRenderObject.cpp
@@ -85,6 +85,7 @@ template <typename direction_tag_t,
               std::is_same_v<direction_tag_t, tag_horizontal_t> ||
               std::is_same_v<direction_tag_t, tag_vertical_t>>>
 Size FlexLayoutMeasureContentImpl(
+    FlexLayoutRenderObject* render_object,
     const MeasureRequirement& requirement, const MeasureSize& preferred_size,
     const std::vector<RenderObject*>& children,
     const std::vector<FlexChildLayoutData>& layout_data,
@@ -300,9 +301,10 @@ Size FlexLayoutMeasureContentImpl(
   if (max_main_length.IsSpecified() &&
       total_length > max_main_length.GetLengthOrUndefined()) {
     CruLogWarn(kLogTag,
-               "(Measure) Children's main axis length {} exceeds required max "
+               "{} Children's main axis length {} exceeds required max "
                "length {}.",
-               total_length, max_main_length.GetLengthOrUndefined());
+               render_object->GetDebugPathInTree(), total_length,
+               max_main_length.GetLengthOrUndefined());
     total_length = max_main_length.GetLengthOrUndefined();
   } else if (min_main_length.IsSpecified() &&
              total_length < min_main_length.GetLengthOrUndefined()) {
@@ -344,11 +346,11 @@ Size FlexLayoutRenderObject::OnMeasureContent(
 
   if (horizontal) {
     return FlexLayoutMeasureContentImpl<tag_horizontal_t>(
-        requirement, requirement.suggest, children, layout_data_list,
+        this, requirement, requirement.suggest, children, layout_data_list,
         item_cross_align_, kLogTag);
   } else {
     return FlexLayoutMeasureContentImpl<tag_vertical_t>(
-        requirement, requirement.suggest, children, layout_data_list,
+        this, requirement, requirement.suggest, children, layout_data_list,
         item_cross_align_, kLogTag);
   }
 }
diff --git a/src/ui/render/RenderObject.cpp b/src/ui/render/RenderObject.cpp
index a84bd8c1..a3a42555 100644
--- a/src/ui/render/RenderObject.cpp
+++ b/src/ui/render/RenderObject.cpp
@@ -211,7 +211,7 @@ std::string RenderObject::GetDebugPathInTree() {
 
   std::string result(chain.back());
   for (auto iter = chain.crbegin() + 1; iter != chain.crend(); ++iter) {
-    result += " -> ";
+    result += "->";
     result += *iter;
   }
 
-- 
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