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Window, Inputs: Fixed resizing from edges when io.MousePos is not pixel-rounded by rounding mouse position input. (#2110)

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omar 2018-10-02 18:49:55 +02:00
parent ae7f833c69
commit fbfe193fcd
2 changed files with 5 additions and 0 deletions
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4
imgui.cpp
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@ -2933,6 +2933,10 @@ static void ImGui::UpdateMouseInputs()
{
ImGuiContext& g = *GImGui;
// Round mouse position to avoid spreading non-rounded position (e.g. UpdateManualResize doesn't support them well)
if (IsMousePosValid(&g.IO.MousePos))
g.IO.MousePos = ImFloor(g.IO.MousePos);
// If mouse just appeared or disappeared (usually denoted by -FLT_MAX components) we cancel out movement in MouseDelta
if (IsMousePosValid(&g.IO.MousePos) && IsMousePosValid(&g.IO.MousePosPrev))
g.IO.MouseDelta = g.IO.MousePos - g.IO.MousePosPrev;