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Nav: Support for fallback horizontal scrolling with PadLeft/PadRight (nb: fallback scrolling is only used to navigate windows that have no interactive items). (#787)
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parent
30b1d85962
commit
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11
imgui.cpp
11
imgui.cpp
@ -2802,12 +2802,17 @@ static void NavUpdate()
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// Scrolling
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if (g.NavWindow && !(g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs) && !g.NavWindowingTarget)
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{
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// Fallback manual-scroll with NavUp/NavDown when window has no navigable item
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// *Fallback* manual-scroll with NavUp/NavDown when window has no navigable item
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const float scroll_speed = ImFloor(g.NavWindow->CalcFontSize() * 100 * g.IO.DeltaTime + 0.5f); // We need round the scrolling speed because sub-pixel scroll isn't reliably supported.
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if (!g.NavWindow->DC.NavLayerActiveMask && g.NavWindow->DC.NavHasScroll && g.NavMoveRequest && (g.NavMoveDir == ImGuiDir_Up || g.NavMoveDir == ImGuiDir_Down))
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if (!g.NavWindow->DC.NavLayerActiveMask && g.NavWindow->DC.NavHasScroll && g.NavMoveRequest)
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{
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if (g.NavMoveDir == ImGuiDir_Left || g.NavMoveDir == ImGuiDir_Right)
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SetWindowScrollX(g.NavWindow, ImFloor(g.NavWindow->Scroll.x + ((g.NavMoveDir == ImGuiDir_Left) ? -1.0f : +1.0f) * scroll_speed));
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if (g.NavMoveDir == ImGuiDir_Up || g.NavMoveDir == ImGuiDir_Down)
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SetWindowScrollY(g.NavWindow, ImFloor(g.NavWindow->Scroll.y + ((g.NavMoveDir == ImGuiDir_Up) ? -1.0f : +1.0f) * scroll_speed));
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}
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// Manual scroll with NavScrollXXX keys
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// *Normal* Manual scroll with NavScrollXXX keys
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ImVec2 scroll_dir = GetNavInputAmount2d(1, ImGuiNavReadMode_Down, 1.0f/10.0f, 10.0f);
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if (scroll_dir.x != 0.0f && g.NavWindow->ScrollbarX)
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{
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