Method AddMousePosEvent

src/imgui/imgui.cpp:1797–1821

Queue a mouse move event

// Queue a mouse move event
void ImGuiIO::AddMousePosEvent(float x, float y)
{
    IM_ASSERT(Ctx != NULL);
    ImGuiContext& g = *Ctx;
    if (!AppAcceptingEvents)
        return;

    // Apply same flooring as UpdateMouseInputs()
    ImVec2 pos((x > -FLT_MAX) ? ImFloor(x) : x, (y > -FLT_MAX) ? ImFloor(y) : y);

    // Filter duplicate
    const ImGuiInputEvent* latest_event = FindLatestInputEvent(&g, ImGuiInputEventType_MousePos);
    const ImVec2 latest_pos = latest_event ? ImVec2(latest_event->MousePos.PosX, latest_event->MousePos.PosY) : g.IO.MousePos;
    if (latest_pos.x == pos.x && latest_pos.y == pos.y)
        return;

    ImGuiInputEvent e;
    e.Type = ImGuiInputEventType_MousePos;
    e.Source = ImGuiInputSource_Mouse;
    e.EventId = g.InputEventsNextEventId++;
    e.MousePos.PosX = pos.x;
    e.MousePos.PosY = pos.y;
    e.MousePos.MouseSource = g.InputEventsNextMouseSource;
    g.InputEventsQueue.push_back(e);
}

void ImGuiIO::AddMouseButtonEvent(int mouse_button, bool down)
{