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Internals: added IsWindowAbove() for use for modal/viewport bugfix.

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This commit is contained in:
ocornut 2020-11-19 16:58:14 +01:00
parent 9712bff0bb
commit 97265602c4
2 changed files with 16 additions and 11 deletions
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26
imgui.cpp
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@ -3436,17 +3436,7 @@ void ImGui::UpdateMouseMovingWindowEndFrame()
// Find the top-most window between HoveredWindow and the top-most Modal Window.
// This is where we can trim the popup stack.
ImGuiWindow* modal = GetTopMostPopupModal();
bool hovered_window_above_modal = false;
if (modal == NULL)
hovered_window_above_modal = true;
for (int i = g.Windows.Size - 1; i >= 0 && hovered_window_above_modal == false; i--)
{
ImGuiWindow* window = g.Windows[i];
if (window == modal)
break;
if (window == g.HoveredWindow)
hovered_window_above_modal = true;
}
bool hovered_window_above_modal = g.HoveredWindow && IsWindowAbove(g.HoveredWindow, modal);
ClosePopupsOverWindow(hovered_window_above_modal ? g.HoveredWindow : modal, true);
}
}
@ -6334,6 +6324,20 @@ bool ImGui::IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent)
return false;
}
bool ImGui::IsWindowAbove(ImGuiWindow* potential_above, ImGuiWindow* potential_below)
{
ImGuiContext& g = *GImGui;
for (int i = g.Windows.Size - 1; i >= 0; i--)
{
ImGuiWindow* candidate_window = g.Windows[i];
if (candidate_window == potential_above)
return true;
if (candidate_window == potential_below)
return false;
}
return false;
}
bool ImGui::IsWindowHovered(ImGuiHoveredFlags flags)
{
IM_ASSERT((flags & ImGuiHoveredFlags_AllowWhenOverlapped) == 0); // Flags not supported by this function

1
imgui_internal.h
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@ -1827,6 +1827,7 @@ namespace ImGui
IMGUI_API void UpdateWindowParentAndRootLinks(ImGuiWindow* window, ImGuiWindowFlags flags, ImGuiWindow* parent_window);
IMGUI_API ImVec2 CalcWindowExpectedSize(ImGuiWindow* window);
IMGUI_API bool IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent);
IMGUI_API bool IsWindowAbove(ImGuiWindow* potential_above, ImGuiWindow* potential_below);
IMGUI_API bool IsWindowNavFocusable(ImGuiWindow* window);
IMGUI_API ImRect GetWindowAllowedExtentRect(ImGuiWindow* window);
IMGUI_API void SetWindowPos(ImGuiWindow* window, const ImVec2& pos, ImGuiCond cond = 0);