85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
/****************************************************************************
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* graphics/nxbe/nxbe_modal.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <assert.h>
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#include <nuttx/nx/nxglib.h>
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#include "nxbe.h"
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#include "nxmu.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxbe_modal
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*
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* Description:
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* May be used to either (1) raise a window to the top of the display and
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* select modal behavior, or (2) disable modal behavior.
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*
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****************************************************************************/
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void nxbe_modal(FAR struct nxbe_window_s *wnd, bool enable)
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{
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FAR struct nxbe_state_s *be = wnd->be;
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/* Are we enabling or disabling the modal state? */
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if (enable)
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{
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/* We are enabling the modal state. Ignore the request if the back-end
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* is already in a modal state.
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*/
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if (!NXBE_STATE_ISMODAL(be))
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{
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/* Raise the window to the top of the display */
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void nxbe_raise(FAR struct nxbe_window_s *wnd);
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/* And enter the modal state */
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DEBUGASSERT(!NXBE_ISMODAL(wnd));
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NXBE_SETMODAL(wnd);
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NXBE_STATE_SETMODAL(be);
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}
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}
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/* We are disabling the modal state. Verify that we are in a modal state */
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else if (NXBE_STATE_ISMODAL(be) && NXBE_ISMODAL(wnd))
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{
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/* We are in a modal state and this window is the modal window.
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* Just disable the modal state.
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*/
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NXBE_CLRMODAL(wnd);
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NXBE_STATE_CLRMODAL(be);
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}
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}
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