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Fixed tooltip in own viewport over modal from being incorrectly dimmed. (#4729)

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Normally we would aim to ensure that g.Windows[] gets maintained to reflect display layer but it is presently non trivial.
This commit is contained in:
ocornut 2021-11-16 16:13:04 +01:00
parent 3fde445b91
commit a3667f462a
1 changed files with 14 additions and 4 deletions
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18
imgui.cpp
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@ -4365,11 +4365,15 @@ static void AddWindowToDrawData(ImGuiWindow* window, int layer)
}
}
// Layer is locked for the root window, however child windows may use a different viewport (e.g. extruding menu)
static void AddRootWindowToDrawData(ImGuiWindow* window)
static inline int GetWindowDisplayLayer(ImGuiWindow* window)
{
int layer = (window->Flags & ImGuiWindowFlags_Tooltip) ? 1 : 0;
AddWindowToDrawData(window, layer);
return (window->Flags & ImGuiWindowFlags_Tooltip) ? 1 : 0;
}
// Layer is locked for the root window, however child windows may use a different viewport (e.g. extruding menu)
static inline void AddRootWindowToDrawData(ImGuiWindow* window)
{
AddWindowToDrawData(window, GetWindowDisplayLayer(window));
}
void ImDrawDataBuilder::FlattenIntoSingleLayer()
@ -6763,6 +6767,12 @@ bool ImGui::IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent,
bool ImGui::IsWindowAbove(ImGuiWindow* potential_above, ImGuiWindow* potential_below)
{
ImGuiContext& g = *GImGui;
// It would be saner to ensure that display layer is always reflected in the g.Windows[] order, which would likely requires altering all manipulations of that array
const int display_layer_delta = GetWindowDisplayLayer(potential_above) - GetWindowDisplayLayer(potential_below);
if (display_layer_delta != 0)
return display_layer_delta > 0;
for (int i = g.Windows.Size - 1; i >= 0; i--)
{
ImGuiWindow* candidate_window = g.Windows[i];