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Drag and Drop: extracted a RenderDragDropTargetRect() function (#1603)

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This commit is contained in:
ocornut 2022-10-25 15:07:00 +02:00
parent 431fc6a7f6
commit baea25e657
2 changed files with 7 additions and 1 deletions
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7
imgui.cpp
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@ -11618,7 +11618,6 @@ const ImGuiPayload* ImGui::AcceptDragDropPayload(const char* type, ImGuiDragDrop
} }
// Render default drop visuals // Render default drop visuals
// FIXME-DRAGDROP: Settle on a proper default visuals for drop target.
payload.Preview = was_accepted_previously; payload.Preview = was_accepted_previously;
flags |= (g.DragDropSourceFlags & ImGuiDragDropFlags_AcceptNoDrawDefaultRect); // Source can also inhibit the preview (useful for external sources that live for 1 frame) flags |= (g.DragDropSourceFlags & ImGuiDragDropFlags_AcceptNoDrawDefaultRect); // Source can also inhibit the preview (useful for external sources that live for 1 frame)
if (!(flags & ImGuiDragDropFlags_AcceptNoDrawDefaultRect) && payload.Preview) if (!(flags & ImGuiDragDropFlags_AcceptNoDrawDefaultRect) && payload.Preview)
@ -11632,6 +11631,12 @@ const ImGuiPayload* ImGui::AcceptDragDropPayload(const char* type, ImGuiDragDrop
return &payload; return &payload;
} }
// FIXME-DRAGDROP: Settle on a proper default visuals for drop target.
void ImGui::RenderDragDropTargetRect(const ImRect& bb)
{
GetWindowDrawList()->AddRect(bb.Min - ImVec2(3.5f, 3.5f), bb.Max + ImVec2(3.5f, 3.5f), GetColorU32(ImGuiCol_DragDropTarget), 0.0f, 0, 2.0f);
}
const ImGuiPayload* ImGui::GetDragDropPayload() const ImGuiPayload* ImGui::GetDragDropPayload()
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;

1
imgui_internal.h
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@ -2772,6 +2772,7 @@ namespace ImGui
IMGUI_API bool BeginDragDropTargetCustom(const ImRect& bb, ImGuiID id); IMGUI_API bool BeginDragDropTargetCustom(const ImRect& bb, ImGuiID id);
IMGUI_API void ClearDragDrop(); IMGUI_API void ClearDragDrop();
IMGUI_API bool IsDragDropPayloadBeingAccepted(); IMGUI_API bool IsDragDropPayloadBeingAccepted();
IMGUI_API void RenderDragDropTargetRect(const ImRect& bb);
// Internal Columns API (this is not exposed because we will encourage transitioning to the Tables API) // Internal Columns API (this is not exposed because we will encourage transitioning to the Tables API)
IMGUI_API void SetWindowClipRectBeforeSetChannel(ImGuiWindow* window, const ImRect& clip_rect); IMGUI_API void SetWindowClipRectBeforeSetChannel(ImGuiWindow* window, const ImRect& clip_rect);