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Misc comments to facilitate update for people who nilly-willy copied entire chunks of internal widgets to create their own.

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ocornut
2025-07-09 15:05:10 +02:00
parent ed7d965818
commit d9b758661f
3 changed files with 13 additions and 5 deletions
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4
imgui.cpp
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@@ -4730,7 +4730,8 @@ bool ImGui::IsItemHovered(ImGuiHoveredFlags flags)
return true;
}
// Internal facing ItemHoverable() used when submitting widgets. Differs slightly from IsItemHovered().
// Internal facing ItemHoverable() used when submitting widgets. THIS IS A SUBMISSION NOT A HOVER CHECK.
// Returns whether the item was hovered, logic differs slightly from IsItemHovered().
// (this does not rely on LastItemData it can be called from a ButtonBehavior() call not following an ItemAdd() call)
// FIXME-LEGACY: the 'ImGuiItemFlags item_flags' parameter was added on 2023-06-28.
// If you used this in your legacy/custom widgets code:
@@ -4742,6 +4743,7 @@ bool ImGui::ItemHoverable(const ImRect& bb, ImGuiID id, ImGuiItemFlags item_flag
ImGuiWindow* window = g.CurrentWindow;
// Detect ID conflicts
// (this is specifically done here by comparing on hover because it allows us a detection of duplicates that is algorithmically extra cheap, 1 u32 compare per item. No O(log N) lookup whatsoever)
#ifndef IMGUI_DISABLE_DEBUG_TOOLS
if (id != 0 && g.HoveredIdPreviousFrame == id && (item_flags & ImGuiItemFlags_AllowDuplicateId) == 0)
{