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Drag and Drop: amend BeginDragDropTargetViewport() for mutli-viewports. (#5204)

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ocornut
2025-10-03 19:09:42 +02:00
parent f6754fd812
commit 8f3f428228
1 changed files with 4 additions and 2 deletions
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6
imgui.cpp
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@@ -15463,7 +15463,7 @@ bool ImGui::BeginDragDropTargetViewport(ImGuiViewport* viewport, const ImRect* p
ImRect bb = p_bb ? *p_bb : ((ImGuiViewportP*)viewport)->GetWorkRect();
ImGuiID id = viewport->ID;
if (!IsMouseHoveringRect(bb.Min, bb.Max, false) || (id == g.DragDropPayload.SourceId))
if (g.MouseViewport != viewport || !IsMouseHoveringRect(bb.Min, bb.Max, false) || (id == g.DragDropPayload.SourceId))
return false;
IM_ASSERT(g.DragDropWithinTarget == false && g.DragDropWithinSource == false); // Can't nest BeginDragDropSource() and BeginDragDropTarget()
@@ -15544,9 +15544,11 @@ const ImGuiPayload* ImGui::AcceptDragDropPayload(const char* type, ImGuiDragDrop
const bool draw_target_rect = payload.Preview && !(flags & ImGuiDragDropFlags_AcceptNoDrawDefaultRect);
if (draw_target_rect && g.DragDropTargetFullViewport != 0)
{
ImGuiViewport* viewport = FindViewportByID(g.DragDropTargetFullViewport);
IM_ASSERT(viewport != NULL);
ImRect bb = g.DragDropTargetRect;
bb.Expand(-3.5f);
RenderDragDropTargetRectEx(GetForegroundDrawList(), bb);
RenderDragDropTargetRectEx(GetForegroundDrawList(viewport), bb);
}
else if (draw_target_rect)
{