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Nav: Fixed an issue with Gamepad navigation when the movement lead to a scroll and frame time > repeat rate. (#6171)

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This commit is contained in:
ocornut 2023-03-08 14:03:58 +01:00
parent c9a53aa74d
commit 5a1e6b60a2
2 changed files with 11 additions and 3 deletions
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3
docs/CHANGELOG.txt
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@ -51,6 +51,9 @@ Other changes:
allowing to press buttons with Enter. (#5606)
(Enter emulates a "prefer text input" activation vs.
Space emulates a "prefer tweak" activation which is to closer to gamepad controls).
- Nav: Fixed an issue with Gamepad navigation when the movement lead to a scroll and
frame time > repeat rate. Triggering a new move request on the same frame as a move
result lead to an incorrect calculation and loss of navigation id. (#6171)
- Drag and Drop: Fixed handling of overlapping targets when smaller one is submitted
before and can accept the same data type. (#6183).
- Drag and Drop: Clear drag and drop state as soon as delivery is accepted in order to

11
imgui.cpp
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@ -11262,16 +11262,21 @@ void ImGui::NavUpdateCreateMoveRequest()
}
// When using gamepad, we project the reference nav bounding box into window visible area.
// This is to allow resuming navigation inside the visible area after doing a large amount of scrolling, since with gamepad all movements are relative
// (can't focus a visible object like we can with the mouse).
// This is to allow resuming navigation inside the visible area after doing a large amount of scrolling,
// since with gamepad all movements are relative (can't focus a visible object like we can with the mouse).
if (g.NavMoveSubmitted && g.NavInputSource == ImGuiInputSource_Gamepad && g.NavLayer == ImGuiNavLayer_Main && window != NULL)// && (g.NavMoveFlags & ImGuiNavMoveFlags_Forwarded))
{
bool clamp_x = (g.NavMoveFlags & (ImGuiNavMoveFlags_LoopX | ImGuiNavMoveFlags_WrapX)) == 0;
bool clamp_y = (g.NavMoveFlags & (ImGuiNavMoveFlags_LoopY | ImGuiNavMoveFlags_WrapY)) == 0;
ImRect inner_rect_rel = WindowRectAbsToRel(window, ImRect(window->InnerRect.Min - ImVec2(1, 1), window->InnerRect.Max + ImVec2(1, 1)));
// Take account of changing scroll to handle triggering a new move request on a scrolling frame. (#6171)
// Otherwise 'inner_rect_rel' would be off on the move result frame.
inner_rect_rel.Translate(CalcNextScrollFromScrollTargetAndClamp(window) - window->Scroll);
if ((clamp_x || clamp_y) && !inner_rect_rel.Contains(window->NavRectRel[g.NavLayer]))
{
//IMGUI_DEBUG_LOG_NAV("[nav] NavMoveRequest: clamp NavRectRel for gamepad move\n");
IMGUI_DEBUG_LOG_NAV("[nav] NavMoveRequest: clamp NavRectRel for gamepad move\n");
float pad_x = ImMin(inner_rect_rel.GetWidth(), window->CalcFontSize() * 0.5f);
float pad_y = ImMin(inner_rect_rel.GetHeight(), window->CalcFontSize() * 0.5f); // Terrible approximation for the intent of starting navigation from first fully visible item
inner_rect_rel.Min.x = clamp_x ? (inner_rect_rel.Min.x + pad_x) : -FLT_MAX;