def GetSafeSize(tlw: QW.QWidget, min_size: QC.QSize, gravity) -> QC.QSize:
min_width = min_size.width()
min_height = min_size.height()
frame_padding = tlw.frameGeometry().size() - tlw.size()
parent = tlw.parentWidget()
if parent is None:
width = min_width
height = min_height
else:
parent_window = parent.window()
# when we initialise, we might not have a frame yet because we haven't done show() yet
# so borrow main gui's
if frame_padding.isEmpty():
main_gui = HG.client_controller.gui
if main_gui is not None and QP.isValid(
main_gui) and not main_gui.isFullScreen():
frame_padding = main_gui.frameGeometry().size(
) - main_gui.size()
if parent_window.isFullScreen():
parent_available_size = parent_window.size()
else:
parent_frame_size = parent_window.frameGeometry().size()
parent_available_size = parent_frame_size - frame_padding
parent_available_width = parent_available_size.width()
parent_available_height = parent_available_size.height()
(width_gravity, height_gravity) = gravity
if width_gravity == -1:
width = min_width
else:
max_width = parent_available_width - (2 * CHILD_POSITION_PADDING)
width = int(width_gravity * max_width)
if height_gravity == -1:
height = min_height
else:
max_height = parent_available_height - (2 * CHILD_POSITION_PADDING)
height = int(height_gravity * max_height)
display_size = GetDisplaySize(tlw)
display_available_size = display_size - frame_padding
width = min(display_available_size.width() - 2 * CHILD_POSITION_PADDING,
width)
height = min(display_available_size.height() - 2 * CHILD_POSITION_PADDING,
height)
return QC.QSize(width, height)
