r_avoid = the rectangle to avoid (e.g. for tooltip it is a rectangle around the mouse cursor which we want to avoid. for popups it's a small point aro

Full version, ensure both points are fully clipped.

Moving window to front of display and set focus (which happens to be back of our sorted list)

Process TAB/Shift+TAB. Be mindful that this function may _clear_ the ActiveID when tabbing out.

Free up/compact internal window buffers, we can use this when a window becomes unused. Not freed: - ImGuiWindow, ImGuiWindowSettings, Name, StateStora

Top-right

Bottom-left

Win32 clipboard implementation We use g.ClipboardHandlerData for temporary storage to ensure it is freed on Shutdown()

OBSOLETED in 1.70 (from May 2019)