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Internals: move chunks of IsItemHovered() so upcoming commit can be less noisy. This commit should be a no-op (check by comparing without white-space changes)
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parent
2c29e391dd
commit
d80a9123b7
72
imgui.cpp
72
imgui.cpp
@ -3278,42 +3278,46 @@ bool ImGui::IsItemHovered(ImGuiHoveredFlags flags)
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{
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if ((g.LastItemData.InFlags & ImGuiItemFlags_Disabled) && !(flags & ImGuiHoveredFlags_AllowWhenDisabled))
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return false;
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return IsItemFocused();
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if (!IsItemFocused())
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return false;
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}
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else
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{
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// Test for bounding box overlap, as updated as ItemAdd()
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ImGuiItemStatusFlags status_flags = g.LastItemData.StatusFlags;
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if (!(status_flags & ImGuiItemStatusFlags_HoveredRect))
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return false;
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IM_ASSERT((flags & (ImGuiHoveredFlags_AnyWindow | ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_NoPopupHierarchy)) == 0); // Flags not supported by this function
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// Test if we are hovering the right window (our window could be behind another window)
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// [2021/03/02] Reworked / reverted the revert, finally. Note we want e.g. BeginGroup/ItemAdd/EndGroup to work as well. (#3851)
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// [2017/10/16] Reverted commit 344d48be3 and testing RootWindow instead. I believe it is correct to NOT test for RootWindow but this leaves us unable
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// to use IsItemHovered() after EndChild() itself. Until a solution is found I believe reverting to the test from 2017/09/27 is safe since this was
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// the test that has been running for a long while.
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if (g.HoveredWindow != window && (status_flags & ImGuiItemStatusFlags_HoveredWindow) == 0)
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if ((flags & ImGuiHoveredFlags_AllowWhenOverlapped) == 0)
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return false;
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// Test if another item is active (e.g. being dragged)
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if ((flags & ImGuiHoveredFlags_AllowWhenBlockedByActiveItem) == 0)
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if (g.ActiveId != 0 && g.ActiveId != g.LastItemData.ID && !g.ActiveIdAllowOverlap && g.ActiveId != window->MoveId)
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return false;
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// Test if interactions on this window are blocked by an active popup or modal.
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// The ImGuiHoveredFlags_AllowWhenBlockedByPopup flag will be tested here.
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if (!IsWindowContentHoverable(window, flags))
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return false;
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// Test if the item is disabled
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if ((g.LastItemData.InFlags & ImGuiItemFlags_Disabled) && !(flags & ImGuiHoveredFlags_AllowWhenDisabled))
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return false;
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// Special handling for calling after Begin() which represent the title bar or tab.
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// When the window is collapsed (SkipItems==true) that last item will never be overwritten so we need to detect the case.
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if (g.LastItemData.ID == window->MoveId && window->WriteAccessed)
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return false;
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}
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// Test for bounding box overlap, as updated as ItemAdd()
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ImGuiItemStatusFlags status_flags = g.LastItemData.StatusFlags;
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if (!(status_flags & ImGuiItemStatusFlags_HoveredRect))
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return false;
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IM_ASSERT((flags & (ImGuiHoveredFlags_AnyWindow | ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_NoPopupHierarchy)) == 0); // Flags not supported by this function
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// Test if we are hovering the right window (our window could be behind another window)
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// [2021/03/02] Reworked / reverted the revert, finally. Note we want e.g. BeginGroup/ItemAdd/EndGroup to work as well. (#3851)
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// [2017/10/16] Reverted commit 344d48be3 and testing RootWindow instead. I believe it is correct to NOT test for RootWindow but this leaves us unable
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// to use IsItemHovered() after EndChild() itself. Until a solution is found I believe reverting to the test from 2017/09/27 is safe since this was
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// the test that has been running for a long while.
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if (g.HoveredWindow != window && (status_flags & ImGuiItemStatusFlags_HoveredWindow) == 0)
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if ((flags & ImGuiHoveredFlags_AllowWhenOverlapped) == 0)
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return false;
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// Test if another item is active (e.g. being dragged)
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if ((flags & ImGuiHoveredFlags_AllowWhenBlockedByActiveItem) == 0)
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if (g.ActiveId != 0 && g.ActiveId != g.LastItemData.ID && !g.ActiveIdAllowOverlap && g.ActiveId != window->MoveId)
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return false;
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// Test if interactions on this window are blocked by an active popup or modal.
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// The ImGuiHoveredFlags_AllowWhenBlockedByPopup flag will be tested here.
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if (!IsWindowContentHoverable(window, flags))
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return false;
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// Test if the item is disabled
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if ((g.LastItemData.InFlags & ImGuiItemFlags_Disabled) && !(flags & ImGuiHoveredFlags_AllowWhenDisabled))
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return false;
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// Special handling for calling after Begin() which represent the title bar or tab.
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// When the window is collapsed (SkipItems==true) that last item will never be overwritten so we need to detect the case.
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if (g.LastItemData.ID == window->MoveId && window->WriteAccessed)
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return false;
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return true;
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}
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