100 lines
3.5 KiB
C
100 lines
3.5 KiB
C
|
/****************************************************************************
|
||
|
|
* graphics/nxbe/nxbe_modal.c
|
||
|
|
*
|
||
|
|
* Copyright (C) 2019 Gregory Nutt. All rights reserved.
|
||
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
*
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in
|
||
|
|
* the documentation and/or other materials provided with the
|
||
|
|
* distribution.
|
||
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
||
|
|
* used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Included Files
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#include <nuttx/config.h>
|
||
|
|
|
||
|
|
#include <assert.h>
|
||
|
|
|
||
|
|
#include <nuttx/nx/nxglib.h>
|
||
|
|
|
||
|
|
#include "nxbe.h"
|
||
|
|
#include "nxmu.h"
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Public Functions
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Name: nxbe_modal
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
* May be used to either (1) raise a window to the top of the display and
|
||
|
|
* select modal behavior, or (2) disable modal behavior.
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
void nxbe_modal(FAR struct nxbe_window_s *wnd, bool enable)
|
||
|
|
{
|
||
|
|
FAR struct nxbe_state_s *be = wnd->be;
|
||
|
|
|
||
|
|
/* Are we enabling or disabling the modal state? */
|
||
|
|
|
||
|
|
if (enable)
|
||
|
|
{
|
||
|
|
/* We are enabling the modal state. Ignore the request if the back-end
|
||
|
|
* is already in a modal state.
|
||
|
|
*/
|
||
|
|
|
||
|
|
if (!NXBE_STATE_ISMODAL(be))
|
||
|
|
{
|
||
|
|
/* Raise the window to the top of the display */
|
||
|
|
|
||
|
|
void nxbe_raise(FAR struct nxbe_window_s *wnd);
|
||
|
|
|
||
|
|
/* And enter the modal state */
|
||
|
|
|
||
|
|
DEBUGASSERT(!NXBE_ISMODAL(wnd));
|
||
|
|
NXBE_SETMODAL(wnd);
|
||
|
|
NXBE_STATE_SETMODAL(be);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* We are disabling the modal state. Verify that we are in a modal state */
|
||
|
|
|
||
|
|
else if (NXBE_STATE_ISMODAL(be) && NXBE_ISMODAL(wnd))
|
||
|
|
{
|
||
|
|
/* We are in a modal state and this window is the modal window.
|
||
|
|
* Just disable the modal state.
|
||
|
|
*/
|
||
|
|
|
||
|
|
NXBE_CLRMODAL(wnd);
|
||
|
|
NXBE_STATE_CLRMODAL(be);
|
||
|
|
}
|
||
|
|
}
|