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Drag and Drop: Amend ItemHoverable() logic for item with no identifier.

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Amend d5d4d70
This commit is contained in:
ocornut 2023-06-27 15:23:19 +02:00
parent d5d4d709c7
commit 836aff3467
1 changed files with 7 additions and 5 deletions
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10
imgui.cpp
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@ -4050,20 +4050,22 @@ bool ImGui::ItemHoverable(const ImRect& bb, ImGuiID id)
return false; return false;
} }
// We exceptionally allow this function to be called with id==0 to allow using it for easy high-level
// hover test in widgets code. We could also decide to split this function is two.
if (id != 0)
{
// Drag source doesn't report as hovered // Drag source doesn't report as hovered
if (g.DragDropActive && g.DragDropPayload.SourceId == id && !(g.DragDropSourceFlags & ImGuiDragDropFlags_SourceNoDisableHover)) if (g.DragDropActive && g.DragDropPayload.SourceId == id && !(g.DragDropSourceFlags & ImGuiDragDropFlags_SourceNoDisableHover))
return false; return false;
// We exceptionally allow this function to be called with id==0 to allow using it for easy high-level
// hover test in widgets code. We could also decide to split this function is two.
if (id != 0)
SetHoveredID(id); SetHoveredID(id);
}
// When disabled we'll return false but still set HoveredId // When disabled we'll return false but still set HoveredId
if (item_flags & ImGuiItemFlags_Disabled) if (item_flags & ImGuiItemFlags_Disabled)
{ {
// Release active id if turning disabled // Release active id if turning disabled
if (g.ActiveId == id) if (g.ActiveId == id && id != 0)
ClearActiveID(); ClearActiveID();
g.HoveredIdDisabled = true; g.HoveredIdDisabled = true;
return false; return false;