BeginChild(): rename parameters to reduce diff of upcoming patches.

Should be a no-op.

imgui.cpp

@@ -5414,24 +5414,24 @@ ImVec2 ImGui::GetItemRectSize()
     return g.LastItemData.Rect.GetSize();
 }
 
-bool ImGui::BeginChild(const char* str_id, const ImVec2& size_arg, bool border, ImGuiWindowFlags extra_flags)
+bool ImGui::BeginChild(const char* str_id, const ImVec2& size_arg, bool border, ImGuiWindowFlags window_flags)
 {
-    ImGuiWindow* window = GetCurrentWindow();
+    ImGuiID id = GetCurrentWindow()->GetID(str_id);
-    return BeginChildEx(str_id, window->GetID(str_id), size_arg, border, extra_flags);
+    return BeginChildEx(str_id, id, size_arg, border, window_flags);
 }
 
-bool ImGui::BeginChild(ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags extra_flags)
+bool ImGui::BeginChild(ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags window_flags)
 {
     IM_ASSERT(id != 0);
-    return BeginChildEx(NULL, id, size_arg, border, extra_flags);
+    return BeginChildEx(NULL, id, size_arg, border, window_flags);
 }
 
-bool ImGui::BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags flags)
+bool ImGui::BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags window_flags)
 {
     ImGuiContext& g = *GImGui;
     ImGuiWindow* parent_window = g.CurrentWindow;
-    flags |= ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_ChildWindow;
+    window_flags |= ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_ChildWindow;
-    flags |= (parent_window->Flags & ImGuiWindowFlags_NoMove);  // Inherit the NoMove flag
+    window_flags |= (parent_window->Flags & ImGuiWindowFlags_NoMove);  // Inherit the NoMove flag
 
     // Size
     const ImVec2 content_avail = GetContentRegionAvail();
@@ -5454,7 +5454,7 @@ bool ImGui::BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, b
         g.Style.ChildBorderSize = 0.0f;
 
     // Begin into window
-    const bool ret = Begin(temp_window_name, NULL, flags);
+    const bool ret = Begin(temp_window_name, NULL, window_flags);
     g.Style.ChildBorderSize = backup_border_size;
 
     ImGuiWindow* child_window = g.CurrentWindow;
@@ -5470,7 +5470,7 @@ bool ImGui::BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, b
     const ImGuiID temp_id_for_activation = ImHashStr("##Child", 0, id);
     if (g.ActiveId == temp_id_for_activation)
         ClearActiveID();
-    if (g.NavActivateId == id && !(flags & ImGuiWindowFlags_NavFlattened) && (child_window->DC.NavLayersActiveMask != 0 || child_window->DC.NavWindowHasScrollY))
+    if (g.NavActivateId == id && !(window_flags & ImGuiWindowFlags_NavFlattened) && (child_window->DC.NavLayersActiveMask != 0 || child_window->DC.NavWindowHasScrollY))
     {
         FocusWindow(child_window);
         NavInitWindow(child_window, false);

imgui.h

@@ -343,8 +343,8 @@ namespace ImGui
     //   [Important: due to legacy reason, this is inconsistent with most other functions such as BeginMenu/EndMenu,
     //    BeginPopup/EndPopup, etc. where the EndXXX call should only be called if the corresponding BeginXXX function
     //    returned true. Begin and BeginChild are the only odd ones out. Will be fixed in a future update.]
-    IMGUI_API bool          BeginChild(const char* str_id, const ImVec2& size = ImVec2(0, 0), bool border = false, ImGuiWindowFlags flags = 0);
+    IMGUI_API bool          BeginChild(const char* str_id, const ImVec2& size = ImVec2(0, 0), bool border = false, ImGuiWindowFlags window_flags = 0);
-    IMGUI_API bool          BeginChild(ImGuiID id, const ImVec2& size = ImVec2(0, 0), bool border = false, ImGuiWindowFlags flags = 0);
+    IMGUI_API bool          BeginChild(ImGuiID id, const ImVec2& size = ImVec2(0, 0), bool border = false, ImGuiWindowFlags window_flags = 0);
     IMGUI_API void          EndChild();
 
     // Windows Utilities

imgui_internal.h

@@ -3007,7 +3007,7 @@ namespace ImGui
     IMGUI_API void          LogSetNextTextDecoration(const char* prefix, const char* suffix);
 
     // Popups, Modals, Tooltips
-    IMGUI_API bool          BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags flags);
+    IMGUI_API bool          BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags window_flags);
     IMGUI_API void          OpenPopupEx(ImGuiID id, ImGuiPopupFlags popup_flags = ImGuiPopupFlags_None);
     IMGUI_API void          ClosePopupToLevel(int remaining, bool restore_focus_to_window_under_popup);
     IMGUI_API void          ClosePopupsOverWindow(ImGuiWindow* ref_window, bool restore_focus_to_window_under_popup);