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Made BeginItemTooltip() and IsItemHovered() with delay flag infer an implicit ID using Pos only. (#7945, #1485, #143)

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Perhaps a better approach would be to: store last non-zero ID + count successive zero ID and combine then.
This commit is contained in:
ocornut 2024-09-03 21:19:25 +02:00
parent a93f7db875
commit f99febfd6f
4 changed files with 16 additions and 3 deletions
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12
imgui.cpp
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@ -4261,7 +4261,7 @@ bool ImGui::IsItemHovered(ImGuiHoveredFlags flags)
const float delay = CalcDelayFromHoveredFlags(flags);
if (delay > 0.0f || (flags & ImGuiHoveredFlags_Stationary))
{
ImGuiID hover_delay_id = (g.LastItemData.ID != 0) ? g.LastItemData.ID : window->GetIDFromRectangle(g.LastItemData.Rect);
ImGuiID hover_delay_id = (g.LastItemData.ID != 0) ? g.LastItemData.ID : window->GetIDFromPos(g.LastItemData.Rect.Min);
if ((flags & ImGuiHoveredFlags_NoSharedDelay) && (g.HoverItemDelayIdPreviousFrame != hover_delay_id))
g.HoverItemDelayTimer = 0.0f;
g.HoverItemDelayId = hover_delay_id;
@ -8367,6 +8367,16 @@ ImGuiID ImGuiWindow::GetID(int n)
}
// This is only used in rare/specific situations to manufacture an ID out of nowhere.
// FIXME: Consider instead storing last non-zero ID + count of successive zero-ID, and combine those?
ImGuiID ImGuiWindow::GetIDFromPos(const ImVec2& p_abs)
{
ImGuiID seed = IDStack.back();
ImVec2 p_rel = ImGui::WindowPosAbsToRel(this, p_abs);
ImGuiID id = ImHashData(&p_rel, sizeof(p_rel), seed);
return id;
}
// "
ImGuiID ImGuiWindow::GetIDFromRectangle(const ImRect& r_abs)
{
ImGuiID seed = IDStack.back();