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Drag and Drop: rework cancel drag and drop logic to be overridable. (#9071)

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ocornut 2025-11-19 18:26:31 +01:00
parent db6b8e0fb3
commit 0faa0dba15
1 changed files with 11 additions and 3 deletions
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14
imgui.cpp
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@ -5546,10 +5546,18 @@ void ImGui::NewFrame()
g.DragDropWithinSource = false;
g.DragDropWithinTarget = false;
g.DragDropHoldJustPressedId = 0;
if (g.DragDropActive && IsKeyPressed(ImGuiKey_Escape, ImGuiInputFlags_None, g.ActiveId)) // Also works when g.ActiveId==0 (aka leftover payload in progress, no active id)
if (g.DragDropActive)
{
ClearActiveID();
ClearDragDrop();
// Also works when g.ActiveId==0 (aka leftover payload in progress, no active id)
// You may disable this externally by hijacking the input route:
// 'if (GetDragDropPayload() != NULL) { Shortcut(ImGuiKey_Escape, ImGuiInputFlags_RouteGlobal | ImGuiInputFlags_RouteOverActive); }
// but you will not get a return value from Shortcut() due to ActiveIdUsingAllKeyboardKeys logic. You can however poll IsKeyPressed(ImGuiKey_Escape) afterwards.
ImGuiID owner_id = g.ActiveId ? g.ActiveId : ImHashStr("##DragDropCancelHandler");
if (Shortcut(ImGuiKey_Escape, ImGuiInputFlags_RouteGlobal, owner_id))
{
ClearActiveID();
ClearDragDrop();
}
}
g.TooltipPreviousWindow = NULL;