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Implement horizontal scrolling with Shift+Scroll
This is standard scrolling behaviour in most applications.
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@ -3296,6 +3296,13 @@ void ImGui::UpdateMouseWheel()
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window->Size *= scale;
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window->SizeFull *= scale;
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}
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else if (!g.IO.KeyCtrl && g.IO.KeyShift && scroll_allowed)
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{
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// Mouse wheel horizontal scrolling
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float scroll_amount = 5 * scroll_window->CalcFontSize();
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scroll_amount = (float)(int)ImMin(scroll_amount, (scroll_window->ContentsRegionRect.GetWidth() + scroll_window->WindowPadding.x * 2.0f) * 0.67f);
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SetWindowScrollX(scroll_window, scroll_window->Scroll.x - g.IO.MouseWheel * scroll_amount);
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}
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else if (!g.IO.KeyCtrl && scroll_allowed)
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{
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// Mouse wheel vertical scrolling
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